CN114374356A

CN114374356A - Solar photovoltaic module installation construction method and equipment

Info

Publication number: CN114374356A
Application number: CN202210004593.3A
Authority: CN
Inventors: 胥传祥; 戴明星; 蔡泽斌; 徐永明; 蒋为根
Original assignee: Jiangsu Medium Voltage Electrical Engineering Group Co ltd
Current assignee: Jiangsu Medium Voltage Electrical Engineering Group Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-04-19

Abstract

The invention relates to a solar photovoltaic assembly installation construction method and equipment, wherein the construction method comprises the following steps: firstly, extending and installing an inclined beam extension piece, and assembling a photovoltaic panel and an installation beam into a photovoltaic module on the inclined beam extension piece; secondly, installing auxiliary equipment on the extension piece of the oblique beam, enabling the auxiliary equipment and the photovoltaic module to be relatively fixed, and driving the photovoltaic module to obliquely and upwardly move along the length direction of the oblique beam until the photovoltaic module reaches a position to be installed through the auxiliary equipment; fixing the mounting beam of the photovoltaic module on the oblique beam; and (4) detaching auxiliary equipment from the photovoltaic module and the oblique beam. The equipment is the equipment used by the method. According to the solar photovoltaic module installation construction method and the solar photovoltaic module installation construction equipment, the high falling risk is reduced by worker climbing operation, and the potential safety hazard of construction is reduced; the labor intensity of workers is reduced, the labor force is saved, the construction cost is reduced, and the working efficiency is improved; the equipment is simple and easy to manufacture, low in cost and reusable; the photovoltaic module is not influenced by the environment and is convenient to install and construct.

Description

Solar photovoltaic module installation construction method and equipment

Technical Field

The invention relates to the field of solar photovoltaic installations, in particular to a solar photovoltaic assembly installation construction method and device.

Background

The state advocates developing the photovoltaic power generation project, utilizes the utilization ratio of green energy source improvement soil simultaneously. And (5) pushing out photovoltaic power generation projects such as fishing light complementation and agricultural light complementation. The fishing light complementation is that a solar photovoltaic component is arranged on the upper part of a fishpond, various fishes are cultured below the fishpond, the agricultural light complementation is that a solar photovoltaic component is arranged on the upper part of a farmland, and various agricultural plants are planted below the farmland. The fixed photovoltaic support requires that a photovoltaic module is installed in a south-to-sun direction at a horizontal angle of 22-25 degrees, and generally, as shown in fig. 2 and 3, the photovoltaic-fixed support 2 comprises a tubular pile 21 fixed on the ground, a column head 22 fixed on the tubular pile, and an oblique beam 23 fixed at the top end of the column head, wherein the oblique beam is obliquely arranged to meet the requirement of the installation orientation of the photovoltaic module 3; the position of the tubular pile 21 close to the top end thereof is also fixed with an anchor ear 24, and the positions of the anchor ear 24 and the inclined beam 23 close to the end at the relatively low side and the end at the relatively high side are respectively provided with a first supporting beam 25 and a second supporting beam 26; in order to save material design, multiple sets of photovoltaic modules are mounted on one set of supports (as shown in fig. 2). The photovoltaic module 3 includes a photovoltaic panel 32, and a mounting beam 31 for fixing the photovoltaic panel 32 to the oblique beam. In order to meet the requirements of workers for breeding operation and other work below the photovoltaic module, the photovoltaic module is installed at a certain height, and the lowest point is about 1.5 meters, and the highest point is about 2.5 meters. When the assembly is installed, an installation worker stands on the temporary scaffold to install the photovoltaic assembly, and the installed materials (photovoltaic panels and installation beams) are lifted by workers on the ground to be installed for the workers standing on the scaffold. Need the high transmission of lifting up when the transmission material, not only need many people to cooperate, intensity of labour is also great simultaneously to photovoltaic module's damaged risk is also great, and in addition, during the installation, the workman also is great from the risk that the eminence falls. Therefore, a new construction technique is required to solve the above-mentioned problems encountered in the construction.

Disclosure of Invention

In order to solve the technical problems, the invention provides a solar photovoltaic module installation construction method, which reduces the risk of falling from a high place during the climbing operation of workers and reduces the potential safety hazard of construction; the labor intensity of workers is reduced, the labor force is saved, the construction cost is reduced, and the working efficiency is improved; the installation and construction equipment is simple and easy to manufacture, low in cost and reusable; the solar photovoltaic module is not influenced by the environment and is convenient to install and construct.

The technical scheme adopted by the invention for solving the technical problems is as follows: a solar photovoltaic module installation construction method specifically comprises the following steps:

firstly, an inclined beam extension piece is installed at one end, which is relatively low, of the inclined beam in an extending mode according to the length direction of the inclined beam, a photovoltaic panel and the installation beam are assembled into a photovoltaic module on the inclined beam extension piece, and the photovoltaic module is temporarily fixed on the inclined beam extension piece through a temporary fixing piece;

secondly, installing auxiliary equipment on the extension piece of the oblique beam, enabling the auxiliary equipment to be relatively fixed with the photovoltaic module, detaching the temporary fixing piece, and then driving the photovoltaic module to obliquely and upwardly move along the length direction of the oblique beam through the auxiliary equipment until the photovoltaic module reaches a position to be installed; the photovoltaic module is lifted through auxiliary equipment, is lifted before moving and is separated from the inclined beam extension piece, and is also used for falling after reaching a position to be installed and contacting with the inclined beam;

fixing the mounting beam of the photovoltaic module on the oblique beam; and (5) disassembling the auxiliary equipment from the photovoltaic module and the oblique beam, and finishing the installation and construction of the solar photovoltaic module.

Further, in the second step, the photovoltaic module is lifted through auxiliary equipment, so that the mounting beam can cross the obstacle in the moving process of the photovoltaic module; the obstacles include, but are not limited to, a first obstacle in which the top end of the stud head is higher than the upper surface of the oblique beam and/or a second obstacle in which the first support beam is higher than the upper surface of the oblique beam and/or a third obstacle in which the second support beam is higher than the upper surface of the oblique beam.

The solar photovoltaic module installation construction equipment comprises an auxiliary supporting structure and the auxiliary equipment, wherein the auxiliary equipment comprises a moving assembly and a lifting assembly, wherein the moving assembly is used for driving the photovoltaic module to move along the length direction of an oblique beam, and the lifting assembly is used for driving the photovoltaic module to lift; the moving assembly and the lifting assembly are assembled into a whole; the auxiliary support structure comprises the inclined beam extension piece and is used for reducing the initial installation height of the photovoltaic module.

Further, the auxiliary device is a first auxiliary device; the moving assemblies are first moving assemblies, and the two lifting assemblies are respectively a first front lower lifting assembly and a first rear upper lifting assembly; the first front lower lifting assembly, the first moving assembly and the first rear upper lifting assembly are sequentially arranged at intervals and are connected through connecting pieces to be assembled into a whole; the first moving assembly comprises a first moving frame, the first moving frame is provided with a track which is movably matched with the oblique beam or the oblique beam extending piece and used for providing guidance for the first moving frame to move along the length direction of the oblique beam, and the first moving frame is further connected with a first driving assembly in a matched mode and used for driving the first moving assembly to move along the length direction of the oblique beam.

Furthermore, an L-shaped limiting part is arranged at the bottom end of one side face of the first moving frame, and a first side limiting part is further arranged on the other side of the first moving frame; the bottom side of the first moving frame, the L-shaped limiting piece and the first side limiting piece form the track; the first side limiting piece is pivoted with the first movable frame and used for enabling the first side limiting piece to have a front-back overturning function; the first driving assembly comprises a first pull rope disc, a first driving motor and a first pull rope, wherein the first driving motor is used for driving the first pull rope disc to rotate; the first pull rope disc is fixed in the first moving frame, one end of the first pull rope is fixedly wound on the first pull rope disc, and the other end of the first pull rope is used for being assembled with the relatively high end of the oblique beam or a position close to the relatively high end of the oblique beam.

Further, an induction module is further mounted on the first moving frame, and the induction module comprises a tensioning shaft and a tensioning wheel mounted on the tensioning shaft; two ends of the tensioning shaft are provided with tensioning sliding blocks; the first moving frame is provided with a moving groove at a position corresponding to the tensioning sliding block; a spring assembly is further arranged between the bottom side of the tensioning sliding block and the bottom of the moving groove, a first trigger piece is further arranged on the tensioning sliding block, and a groove-type photoelectric switch is further arranged on the first moving frame; the tensioning wheel is matched with the first pulling rope and used for acting on the tensioning wheel when the first pulling rope is pulled, the tensioning wheel drives the tensioning sliding block to overcome the elastic force of the spring assembly to move downwards, so that the first trigger piece enters the groove-shaped photoelectric switch, and the groove-shaped photoelectric switch sends out a sensing signal.

Further, the first front lower lifting assembly and the first rear upper lifting assembly are arranged in the same way or in mirror image with each other; the first front lower lifting assembly comprises a first lifting bracket; a first travelling wheel shaft is arranged in the first lifting support, and a first travelling wheel is mounted on the first travelling wheel shaft; the first travelling wheels are matched with the oblique beam or the oblique beam extension piece and used for enabling the first auxiliary equipment to be in contact with the oblique beam through the first travelling wheels when the first auxiliary equipment moves along the length direction of the oblique beam.

Further, the first front lower lifting assembly further comprises a first lifting mechanism; the first lifting mechanism comprises a first mounting shaft, a second mounting shaft, a third mounting shaft and a connecting rod which are mounted on the first lifting support; a first shaft sleeve is arranged on the first mounting shaft, and the first shaft sleeve has the freedom degree of overturning around the first mounting shaft and does not have the freedom degree of moving along the length direction of the first mounting shaft; a second shaft sleeve is arranged on the second mounting shaft, and the second shaft sleeve has the freedom degree of turning around the second mounting shaft and the freedom degree of moving along the length direction of the second mounting shaft; a rod sleeve is fixed on the second shaft sleeve; one end of the connecting rod is hinged with the first shaft sleeve, and the other end of the connecting rod penetrates through the rod sleeve, penetrates through the first lifting support and is exposed outside the first lifting support; the inner walls of the two sides of the first lifting support are also provided with screw rods; screw rod nuts assembled with the screw rods are fixed at two ends of the second mounting shaft; a worm gear is coaxially fixed at a position, close to the bottom end, of the screw rod, and worms matched with the worm gear are fixed at two ends of the third mounting shaft; the third mounting shaft is also coaxially provided with a first lifting motor; the first lifting motor is used for driving the third mounting shaft to drive the worm to rotate, further driving the worm wheel to drive the lead screw to rotate, and driving the second mounting shaft to lift through the lead screw nut, so that the connecting rod swings up and down around the first mounting shaft under the lifting action of the second mounting shaft; a first supporting part is further arranged at one end of the connecting rod exposed outside the first lifting support; the first supporting part is used for bearing a mounting beam of the photovoltaic module; the first lifting support is also provided with an inclined guide groove at the position where the connecting rod passes through; the oblique guide groove is used for guiding the connecting rod during lifting and swinging, so that the first supporting portion is located on the side face of the oblique beam when the connecting rod swings to the bottom end, the highest point of the first supporting portion is not higher than the upper surface of the oblique beam, and the first supporting portion is located above the oblique beam and within the width range of the first supporting portion located on the oblique beam when the connecting rod swings to the highest end.

Further, the auxiliary device is a second auxiliary device; the two lifting assemblies are respectively a second front lower lifting assembly and a second rear upper lifting assembly; the second moving assembly, the second front lower lifting assembly and the second rear upper lifting assembly are assembled into a whole; the second moving assembly comprises a second moving frame, the second moving frame is provided with a track which is movably matched with the oblique beam or the oblique beam extension piece and used for providing guidance for the second moving frame to move along the length direction of the oblique beam, and the second moving frame is also connected with a second driving assembly in a matched manner and used for driving the second moving assembly to move along the length direction of the oblique beam; the second movable frame is a vertical plate, one side of the vertical plate is provided with an upper limiting piece, and the top end of the vertical plate is provided with a second side limiting piece; a wheel fixing frame is further fixed on the second side limiting piece; the wheel fixing frame is also provided with a second travelling wheel; the bottom side of the second travelling wheel, the top side of the upper limiting piece and the second side limiting piece form the track.

Further, the second front lower lifting assembly and the second rear upper lifting assembly are arranged in the same way or in mirror image with each other; the first front lower lifting assembly comprises a second lifting support and a second lifting mechanism; the second lifting support is a horizontal plate which is fixed on the second movable frame and is arranged on one side opposite to the second side limiting piece; the second lifting mechanism is fixed on the second lifting support; a second supporting part is fixed on the top surface of the lifting end of the second lifting mechanism; the second supporting part is used for bearing a mounting beam of the photovoltaic module; the second lifting mechanism is also provided with a second lifting motor; the second lifting mechanism is used for driving lifting through a second lifting motor, when the second supporting portion is lowered to the bottom end, the highest point of the second supporting portion is not higher than the upper surface of the oblique beam, and when the second supporting portion is raised to the highest end, the height of the mounting beam supported by the second supporting portion is higher than the obstacle.

The invention has the advantages that: according to the solar photovoltaic module installation construction method, the high falling risk of workers during climbing operation is reduced, and the potential safety hazard of construction is reduced; the labor intensity of workers is reduced, the labor force is saved, the construction cost is reduced, and the working efficiency is improved; the installation and construction equipment is simple and easy to manufacture, low in cost and reusable; the solar photovoltaic module is not influenced by the environment and is convenient to install and construct.

Drawings

Fig. 1 is a state diagram of a first step of a solar photovoltaic module installation construction method according to a first embodiment;

fig. 2 is a perspective view illustrating an installation completion state of a solar photovoltaic module installation construction method according to a first embodiment;

fig. 3 is a schematic right-view of a state of installation completion of a solar photovoltaic module installation construction method according to a first embodiment;

fig. 4 is an overall schematic view of an installation construction state of a solar photovoltaic module installation construction device according to a second embodiment;

fig. 5 is a right-side schematic view of the solar photovoltaic module installation and construction equipment according to the second embodiment in a state where the photovoltaic module is not lifted by the lifting assembly;

fig. 6 is a schematic perspective view of a lifting assembly of the solar photovoltaic assembly installation construction equipment according to the second embodiment in an un-lifted state;

fig. 7 is a schematic perspective view of a first moving member of the solar photovoltaic module installation construction equipment according to the second embodiment;

fig. 8 is a schematic perspective view of another angle of the first moving member of the solar photovoltaic module installation construction equipment according to the second embodiment;

fig. 9 is a schematic top perspective view of a first moving assembly of the solar photovoltaic assembly installation construction equipment according to the second embodiment;

fig. 10 is a schematic perspective view of a first front lower lifting assembly of the solar photovoltaic module installation construction equipment according to the second embodiment;

fig. 11 is a schematic view of the internal structure of a first front lower lifting assembly of the solar photovoltaic module installation construction equipment of the second embodiment;

fig. 12 is a schematic top view of a first front lower lifting assembly of the solar photovoltaic module installation construction equipment according to the second embodiment;

fig. 13 is a schematic view illustrating the first pull rope and the oblique beam of the solar photovoltaic module installation construction equipment according to the second embodiment;

fig. 14 is a right-side schematic view of a state in which a photovoltaic module is lifted by a lifting assembly of the solar photovoltaic module installation and construction equipment according to the second embodiment;

fig. 15 is a left side view schematically illustrating a state in which a photovoltaic module is lifted by a lifting module of the solar photovoltaic module installation construction equipment according to the second embodiment through an obstacle;

fig. 16 is an overall schematic view of an installation construction state of a solar photovoltaic module installation construction device according to a third embodiment;

fig. 17 is a right-side schematic view of a state in which a photovoltaic module is not lifted by a lifting unit of the solar photovoltaic module installation and construction apparatus according to the third embodiment;

fig. 18 is a perspective view of a solar photovoltaic module installation construction equipment according to a third embodiment in a state where a lifting unit is not lifted;

fig. 19 is a perspective view of a second auxiliary device of the solar photovoltaic module installation construction device according to the third embodiment;

fig. 20 is a perspective view of another angle of the second auxiliary device of the solar photovoltaic module installation construction device according to the third embodiment;

fig. 21 is a right-side schematic view of a state in which a photovoltaic module is lifted by a lifting unit of the solar photovoltaic module installation and construction apparatus according to the third embodiment;

fig. 22 is a left side view schematically illustrating a state in which a lifting unit of the solar photovoltaic module installation construction equipment of the third embodiment lifts a photovoltaic module through an obstacle;

wherein, 1-auxiliary equipment, 1A-first auxiliary equipment, 1A 1-first moving assembly, 1A 101-first moving frame, 1A102-L type position-limiting piece, 1A 103-first side position-limiting piece, 1A 104-reversing wheel assembly, 1A 105-tensioning wheel, 1A 106-tensioning shaft, 1A 107-tensioning slider, 1A 108-spring assembly, 1A 109-groove type photoelectric switch, 1A 110-first trigger piece, 1A 2-first front lower lifting assembly, 1A 201-first lifting support, 1A 202-first mounting shaft, 1A 203-connecting rod, 1A 204-first shaft sleeve, 1A 205-first supporting part, 1A 206-oblique guide groove, 1A 207-second mounting shaft, 1A 208-second shaft sleeve, 1A 209-rod sleeve, 1A 210-lead screw, 1A 211-worm gear, 1A 212-worm, 1A 213-third mounting shaft, 1A 214-first lifting motor, 1A 215-first travelling wheel shaft, 1A 216-first travelling wheel, 1A 217-screw nut, 1A 3-first rear upper lifting component, 1A 4-connecting piece, 1A 5-first driving component, 1A 501-first pulling rope disk, 1A 502-first driving motor, 1A 503-first pulling rope, 1B-second auxiliary equipment, 1B 1-second moving component, 1B 101-second moving frame, 1B 102-upper limiting piece, 1B 103-second side limiting piece, 1B 104-wheel fixing frame, 1B 105-second travelling wheel, 1B 2-second front lower lifting component, 1B 201-second lifting bracket, 1B 202-second lifting mechanism, 1B 203-second supporting part, 1B 204-a second lifting motor, 1B 3-a second rear upper lifting component, 1B 4-a pull rope fixing part, 1B 5-a second driving component, 2-a bracket, 21-a tubular pile, 22-a column cap, 23-an oblique beam, 24-a hoop, 25-a first supporting beam, 26-a second supporting beam, 27-a first obstacle, 28-a second obstacle, 29-a third obstacle, 3-a photovoltaic component, 31-a mounting beam, 32-a photovoltaic panel, 4-an auxiliary supporting structure, 41-an oblique beam extension piece, 42-a supporting piece, 43-a fixed mounting piece and 5-a pull rope assembly piece.

Detailed Description

For the purpose of enhancing the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.

Example one

As shown in fig. 1 to 22, the present embodiment provides a method for installing and constructing a solar photovoltaic module, which specifically includes the following steps: firstly, installing an inclined beam extension piece 41 at one relatively lower end of the inclined beam 23 in an extending manner according to the length direction of the inclined beam, assembling the photovoltaic panel 32 and the installation beam 31 on the inclined beam extension piece 41 to form a photovoltaic module 3, and temporarily fixing the photovoltaic module 3 on the inclined beam extension piece 41 by using a temporary fixing piece; wherein the cant beam extension is mounted on the cant beam by a fixed mounting 43; secondly, installing the auxiliary equipment 1 on the inclined beam extension piece 41, relatively fixing the auxiliary equipment 1 and the photovoltaic module 3, detaching the temporary fixing piece, and then driving the photovoltaic module 3 to obliquely and upwardly move along the length direction of the inclined beam through the auxiliary equipment 1 until the auxiliary equipment reaches a position to be installed; the photovoltaic module 3 is lifted through the auxiliary device 1, the photovoltaic module 3 is lifted before moving to be separated from the inclined beam extension piece 41, and the photovoltaic module 3 is descended after reaching the position to be installed to be contacted with the inclined beam 23; thirdly, fixing the mounting beam 31 of the photovoltaic module 3 on the oblique beam 23; and (4) disassembling the auxiliary equipment 1 from the photovoltaic module 3 and the oblique beam, namely completing the installation and construction of the solar photovoltaic module.

In the installation and construction method of the solar photovoltaic module in the embodiment, in the second step, the photovoltaic module 3 is lifted through the auxiliary device 1, so that the installation beam 31 passes over the obstacle in the moving process of the photovoltaic module 3; the obstacles include, but are not limited to, a first obstacle 27 at the top end of the stud 22 above the upper surface of the oblique beam 23 and/or a second obstacle 28 at the first support beam 25 above the upper surface of the oblique beam 23 and/or a third obstacle 29 at the second support beam 26 above the upper surface of the oblique beam 23.

In the installation and construction method of the solar photovoltaic module according to the embodiment, the sloping 23 and the sloping extension 41 are all angle steels with the same size, the column cap is a channel steel, the installation beam 31 is a C-shaped steel, and for convenience of description, the connection mode shown in fig. 2 is used for illustration, specifically, the outer side of the large vertical surface of the channel steel of the column cap is connected with the vertical surface of the sloping, the vertical surface of the sloping is located on the left side of the horizontal plane, the relatively low end of the sloping is used as the front, and the relatively high end of the sloping is used as the back, and the description of the subsequent direction is performed according to the direction.

According to the installation and construction method of the solar photovoltaic module, the assembly height of the photovoltaic module can be effectively reduced to a height which can be conveniently assembled by constructors standing on the ground, and after the photovoltaic module is assembled, the photovoltaic module can be moved to the position of the specified height of the oblique beam through the mechanism equipment, and then the photovoltaic module and the oblique beam are fixed; such design for constructor stands and can oneself take the material to install on subaerial to for standing on the scaffold frame, the operation is more nimble, and safety also obtains guaranteeing.

Example two

Referring to fig. 4 to 15, the present embodiment provides a solar photovoltaic module installation and construction device, including an auxiliary support structure 4 and the auxiliary device 1, where the auxiliary device 1 includes a moving component for driving the photovoltaic module 3 to move along the length direction of the oblique beam 23, and a lifting component for driving the photovoltaic module 3 to lift; the moving assembly and the lifting assembly are assembled into a whole; the auxiliary support structure 4 comprises the inclined beam extension 41 for lowering the initial installation height of the photovoltaic module 3.

In the solar photovoltaic module installation construction equipment of the embodiment, the auxiliary support structure 4 further includes an extension fixing member 43 for fixing the inclined beam extension member 41 and the inclined beam 23, a support member 42 is further disposed at a relatively low end of the inclined beam extension member 41 or a position close to the relatively low end, and the support member 42 is used for supporting the inclined beam extension member 41, so that the bearing strength of the inclined beam extension member 41 is improved.

Referring again to fig. 4 to 6, the auxiliary device 1 is a first auxiliary device 1A; the moving assembly is a first moving assembly 1A1, and the number of the lifting assemblies is two, namely a first front lower lifting assembly 1A2 and a first rear upper lifting assembly 1A 3; the first front lower lifting assembly 1A2, the first moving assembly 1A1 and the first rear upper lifting assembly 1A3 are sequentially arranged at intervals and are connected through a connecting piece 1A4 to be assembled into a whole;

referring again to fig. 7, the first moving assembly 1A1 includes a first moving frame 1a101, the first moving frame 1a101 has a track movably engaged with the sloping beam 23 or the sloping beam extension 41 for guiding the first moving frame 1a101 to move along the length direction of the sloping beam 23, and the first moving frame 1a101 is further cooperatively connected with a first driving assembly 1a5 for driving the first moving assembly 1A1 to move along the length direction of the sloping beam 23. Specifically, an L-shaped limiting part 1a102 is disposed at the bottom end of one side surface of the first moving frame 1a101, and a first side limiting part 1a103 is further disposed at the other side of the first moving frame 1a 101; the bottom side of the first moving frame 1a101, the L-shaped limiting member 1a102, and the first side limiting member 1a103 form the rail; the first side limiting member 1a103 is pivotally connected to the first movable frame 1a101, and is used for enabling the first side limiting member to have a front-back turning function. The L-shaped limiting part 1A102 is arranged at a position close to the bottom end of the right side surface of the first moving frame 1A101, the first side limiting part 1A103 is arranged at the left side surface of the first moving frame 1A101, when the first moving frame 1A101 is matched with the oblique beam 23 and the oblique beam extension piece 41, the left side surface of the vertical part of the L-shaped limiting part is in clearance fit with the right end surface of the horizontal part of the oblique beam to form the leftward movement limiting of the first moving frame, the upper surface of the horizontal part of the L-shaped limiting part is in clearance fit with the bottom surface of the horizontal part of the oblique beam to form the upward movement limiting of the first moving frame, and the right side surface of the first side limiting part is in clearance fit with the left side surface of the vertical part of the oblique beam to form the rightward movement limiting of the first moving frame; when the first moving frame 1a101 moves to an obstacle (the second obstacle 28, the first obstacle 27, and the third obstacle 29) (as shown in fig. 15), the first side limiting element is pushed by the obstacle to turn over and get over the obstacle, and of course, the portion of the first side limiting element pivotally connected to the first moving frame is at a height that is capable of passing through the obstacle.

Referring to fig. 7 and 9 again, the first driving assembly 1A5 includes a first cable tray 1a501, a first driving motor 1a502 for driving the first cable tray 1a501 to rotate, and a first cable 1a 503; the first pulling rope disc 1a501 is fixed in the first moving frame 1a101, one end of the first pulling rope 1a503 is fixedly wound on the first pulling rope disc 1a501, and the other end of the first pulling rope 1a503 is used for being assembled with the relatively high end of the oblique beam or a position close to the relatively high end. When the first pulling rope 1a501 winds up the first pulling rope 1a503, because the other end of the first pulling rope 1a503 is relatively fixed with the oblique beam and guided by the track, the first pulling rope 1a501 drives the first moving frame 1a101 to move upwards along the length direction of the oblique beam; the first moving frame 1a101 is further provided with a reversing wheel assembly 1a104, which is used for matching with the first pull rope 1a 503. The first rope is inserted into and out of the first moving frame 1a101 at a proper position and a proper angle; a pull rope assembly part 5 is further fixed at the relatively high end of the oblique beam; one end of the first rope 1a503 is provided with a first fixing hook, which is hooked on the rope attachment 5.

Referring to fig. 7 again, an induction module is further installed on the first moving frame 1a101, and the induction module includes a tensioning shaft 1a106 and a tensioning wheel 1a105 installed on the tensioning shaft 1a 106; two ends of the tensioning shaft 1A106 are provided with tensioning sliding blocks 1A 107; the first moving frame 1a101 is provided with a moving groove at a position corresponding to the tension slider 1a 107; a spring assembly 1A108 is further arranged between the bottom side of the tensioning sliding block 1A107 and the bottom of the moving groove, a first trigger piece 1A110 is further arranged on the tensioning sliding block 1A107, and a groove-shaped photoelectric switch 1A109 is further arranged on the first moving frame 1A 101; the tensioning wheel 1a105 is matched with the first pulling rope 1a503, and when the first pulling rope is pulled, the first pulling rope acts on the tensioning wheel 1a105, the tensioning wheel 1a105 drives the tensioning slider 1a107 to move downwards against the elastic force of the spring assembly 1a108, so that the first trigger 1a110 enters the groove-type photoelectric switch 1a109, and the groove-type photoelectric switch 1a109 sends out a sensing signal.

Referring again to fig. 10 and 11, the first front lower lifting assembly 1a2 and the first rear upper lifting assembly 1A3 are disposed in the same manner or in mirror image; the first front lower lift assembly 1A2 includes a first lift bracket 1a 201; a first travelling wheel shaft 1A215 is arranged in the first lifting support 1A201, and a first travelling wheel 1A216 is arranged on the first travelling wheel shaft 1A 215; the first travelling wheels 1A216 are engaged with the oblique beam 23 or the oblique beam extension 41, and are used for enabling the first auxiliary equipment 1A to contact with the oblique beam 23 through the first travelling wheels 1A216 when moving along the length direction of the oblique beam 23.

Referring again to fig. 10 to 12, the first front lower lift assembly 1a2 further includes a first lift mechanism; the first lifting mechanism comprises a first mounting shaft 1A202, a second mounting shaft 1A207, a third mounting shaft 1A213 and a connecting rod 1A203 which are mounted on the first lifting support 1A 201; the first mounting shaft 1a202 is provided with a first bushing 1a204, and the first bushing 1a204 has a degree of freedom of turning around the first mounting shaft 1a202 and does not have a degree of freedom of moving in the longitudinal direction of the first mounting shaft 1a 202; the second mounting shaft 1a207 is mounted with the second collar 1a208, and the second collar 1a208 has a degree of freedom of turning around the second mounting shaft 1a207 and also has a degree of freedom of moving in the longitudinal direction of the second mounting shaft 1a 207; a rod sleeve 1A209 is fixed on the second shaft sleeve 1A 208; one end of the connecting rod 1A203 is hinged with the first shaft sleeve 1A204, and the other end of the connecting rod passes through the rod sleeve 1A209, then passes through the first lifting support 1A201 and is exposed out of the first lifting support 1A 201; the inner walls of the two sides of the first lifting support 1A201 are also provided with a screw rod 1A 210; a lead screw nut 1A217 assembled with a lead screw 1A210 is fixed at two ends of the second mounting shaft 1A 207; a worm wheel 1A211 is coaxially fixed at a position, close to the bottom end, of the screw rod 1A210, and a worm 1A212 matched with the worm wheel 1A211 is fixed at two ends of the third mounting shaft 1A 213; the third mounting shaft 1a213 is also coaxially fitted with a first elevator motor 1a 214; the first lifting motor 1a214 is used for driving the third installation shaft 1a213 to drive the worm 1a212 to rotate, further driving the worm wheel 1a211 to drive the lead screw 1a210 to rotate, and driving the second installation shaft 1a207 to lift through the lead screw nut 1a217, so that the connecting rod 1a203 swings up and down around the first installation shaft 1a202 under the lifting action of the second installation shaft 1a 207; one end of the connecting rod 1A203 exposed out of the first lifting support 1A201 is also provided with a first support part 1A 205; the first supporting part 1a205 is used for bearing the mounting beam 31 of the photovoltaic module 3; the first lifting support 1a201 is further provided with an inclined guide groove 1a206 at a position where the connecting rod 1a203 passes through; the inclined guide groove 1a206 is used for guiding the connecting rod during lifting and swinging, so that the first supporting portion 1a205 is located on the side surface of the inclined beam when the connecting rod swings to the bottom end, the highest point of the first supporting portion 1a205 is not higher than the upper surface of the inclined beam, and when the connecting rod swings to the highest end, the first supporting portion 1a205 is located above the inclined beam 23, and the width range of the first supporting portion 1a205, which is located in the inclined beam 23, is also included.

According to the solar photovoltaic module installation construction equipment, C-shaped steel of an installation beam is placed on an inclined beam extension piece and is temporarily positioned through a positioning pin, a row of C-shaped steel is assembled on a group of seven inclined beams in the same mode, then a second row of C-shaped steel is assembled to form the installation beam of the photovoltaic module, and a plurality of photovoltaic panels are installed on the two rows of C-shaped steel to form the photovoltaic module; preparing seven groups of installation construction equipment of the embodiment to be correspondingly installed on each oblique beam, and placing a first moving assembly, a first front lower lifting assembly and a second rear upper lifting assembly on the upper surface of an oblique beam extension piece positioned below the photovoltaic panel between the two installation beams; when the first front lower lifting assembly and the second rear upper lifting assembly are placed on the inclined beam extension piece, the connecting rod needs to be lifted properly, the first supporting part on the left side penetrates through the interval between the photovoltaic panel and the inclined beam extension piece, and then the first lifting motor is driven to enable the connecting rod to be approximately contacted with C-shaped steel serving as a mounting beam (hooked on the lower half part of the C-shaped steel); when the first moving assembly is placed on the inclined beam extension piece, the first side limiting piece is turned manually, the bottom end of the first side limiting piece is higher than the bottom surface of the first moving frame, then the first moving assembly is clamped on the inclined beam from right to left, then the first side limiting piece is loosened, the first side limiting piece is restored to an initial position by gravity or elastic force (the first side limiting piece can be arranged at the hinged position of the first side limiting piece through a torsion spring and the like), and the first moving assembly is assembled on the inclined beam; then, the first moving assembly, the first front lower lifting assembly and the second rear upper lifting assembly are installed into a whole through a connecting piece, a pull rope (steel wire rope) is pulled out, a hook at the end part of the pull rope is hooked on a pull rope assembly part at the top end of the oblique beam, a first driving motor is started to drive a first pull rope disc to wind the pull rope, a pre-tensioning state is achieved, the whole photovoltaic assembly does not act on a positioning pin any more at the moment, positioning acting force is provided through the pull rope, then an upward lifting button is pressed, the first lifting motor is electrified to rotate forward to provide upward lifting power, a connecting rod swings upward, the first supporting part supports the photovoltaic assembly, the photovoltaic assembly is separated from the oblique beam and is supported to a proper height (the height capable of crossing obstacles) (in the process, an upper limit switch can be arranged near the lead screw, and when the lead screw nut is lifted to a designated height, the upper limit switch is triggered, and disconnecting a power supply circuit of the first lifting motor) (as shown in fig. 14), then, continuously winding the pull rope by the first driving motor, enabling the first auxiliary device to drive the photovoltaic module to move towards the rear upper direction along the length direction of the oblique beam, stopping the first driving motor when a specified position is reached, then, pressing a button descending downwards, enabling the first lifting motor to be electrified and rotate reversely to provide power for descending downwards, enabling the connecting rod to swing downwards, enabling the first supporting part to drive the photovoltaic module to descend onto the oblique beam (in the process, a lower limit switch is arranged near the lead screw, and when the lead screw nut descends to a specified height, the lower limit switch is triggered to disconnect the power supply circuit of the first lifting motor), and then, manually installing the C-shaped steel of the installation beam of the photovoltaic module on the oblique beam, namely, completing installation of the photovoltaic module.

According to the solar photovoltaic module installation construction equipment, the tensioning wheel is pressed down after the pulling rope is tensioned, the tensioning sliding block slides downwards, the first trigger piece triggers the groove-shaped photoelectric switch, the groove-shaped photoelectric switch is switched to be in a normally closed state, and a circuit at the position is conducted; in addition, the first moving frame is also provided with an offset alarm switch, and the offset alarm switch is already contacted with the oblique beam when the first moving assembly is arranged on the oblique beam and enables the oblique beam to be in a normally closed state; when the right deviation occurs, the deviation alarm switch is separated from the oblique beam and is switched from a normally closed state to a normally open state, so that a power supply circuit of the first driving motor is disconnected, and the driving of the first driving motor is stopped.

EXAMPLE III

Referring to fig. 16 to 22, the present embodiment provides another solar photovoltaic module installation and construction apparatus, which is different from the second embodiment in that: the auxiliary device 1 is a second auxiliary device 1B.

Referring to fig. 17 again, the moving assembly is a second moving assembly 1B1, and the two lifting assemblies are respectively a second front lower lifting assembly 1B2 and a second rear upper lifting assembly 1B 3; the second moving assembly 1B1, the second front lower lift assembly 1B2 and the second rear upper lift assembly 1B3 are assembled as a whole.

Referring again to fig. 19 and 20, the second moving assembly 1B1 includes a second moving frame 1B101, the second moving frame 1B101 has a track movably engaged with the sloping beam 23 or the sloping beam extension 41 for guiding the second moving frame 1B101 to move along the length direction of the sloping beam 23, and the second moving frame 1B101 is further cooperatively connected with a second driving assembly 1B5 for driving the second moving assembly 1B1 to move along the length direction of the sloping beam 23; the second moving frame 1B101 is a vertical plate, one side of the vertical plate is provided with an upper limit part 1B102, and the top end is provided with a second side limit part 1B 103; a wheel fixing frame 1B104 is further fixed on the second side limiting part 1B 103; the wheel fixing frame 1B104 is also provided with a second travelling wheel 1B 105; the bottom side of the second travelling wheel 1B105, the top side of the upper limiting piece and the second side limiting piece form the track; in this embodiment, the upper limiting member 1B102 is disposed on the left side surface of the second moving frame 1B101, and is a horizontal plate, the second side limiting member 1B103 is another vertical plate, and is fixed on the top side of the vertical plate of the second moving frame 1B101, when being installed, the upper limiting member 1B102 is clamped on the horizontal portion of the oblique beam through the left opening of the second moving frame 1B101, so that the second traveling wheel 1B105 contacts with the top surface of the horizontal portion of the oblique beam, and the upper limiting member 1B102 is located on the lower side of the horizontal portion of the oblique beam and is in clearance fit, so as to form the upward movement limiting of the second moving frame 1B 101; the second side limiting member 1B103 is located at the right side of the horizontal portion of the oblique beam and is in clearance fit with the horizontal portion of the oblique beam to form a limit for the leftward movement of the second moving frame 1B101, and the left end surface of the second moving assembly 1B1 does not exceed the left end surface of the oblique beam, so that the second auxiliary device 1B does not touch an obstacle when moving on the oblique beam.

Referring again to fig. 18, the second drive assembly 1B5 includes a second pull cord, and a pull cord drive device; the rear end of the second movable frame 1B101 is also connected with a rope fixing part 1B 4; one end of the second pull rope is provided with a fixing hook and is hooked on the pull rope fixing part 1B4, and the other end of the second pull rope penetrates through the relatively high end of the oblique beam and is fixed with a guide hole of a pull rope assembly part 5 and then is connected with pull rope driving equipment; when the second rope is wound by the rope driving apparatus, the second rope moves the second moving frame 1B101 upward in the longitudinal direction of the oblique beam under the guide of the rope assembly 5 and the engagement of the rope fixing portion 1B 4.

Referring again to fig. 17-20, the second front lower lifting assembly 1B2 and the second rear upper lifting assembly 1B3 are disposed in the same or mirror image arrangement (the same arrangement is shown in fig. 17); the first front lower lifting assembly 1B2 comprises a second lifting bracket 1B201 and a second lifting mechanism 1B 202; the second lifting support 1B201 is a horizontal plate fixed on the second moving frame 1B101 and on the opposite side of the second side limiting member 1B 103; the second lifting mechanism 1B202 is fixed on the second lifting support 1B 201; a second supporting part 1B203 is fixed on the top surface of the lifting end of the second lifting mechanism 1B 202; the second support part 1B203 is used for carrying the mounting beam 31 of the photovoltaic module 3; the second lifting mechanism 1B202 is further provided with a second lifting motor 1B 204; the second lifting mechanism 1B202 is driven by the second lifting motor 1B204 to lift, so that when the second support portion 1B203 is lowered to the bottom end, the highest point of the second support portion 1B203 is not higher than the upper surface of the oblique beam (as shown in fig. 17), and when the second support portion 1B203 is raised to the highest point, the height of the mounting beam 31 supported by the second support portion is higher than the obstacle (as shown in fig. 22).

According to the solar photovoltaic module installation construction equipment, C-shaped steel of an installation beam is placed on an inclined beam extension piece and is temporarily positioned through a positioning pin, a row of C-shaped steel is assembled on a group of seven inclined beams in the same mode, then a second row of C-shaped steel is assembled to form the installation beam of the photovoltaic module, and a plurality of photovoltaic panels are installed on the two rows of C-shaped steel to form the photovoltaic module; preparing seven groups of installation construction equipment of the embodiment to be correspondingly installed on each oblique beam, and placing a second moving assembly on the upper surface of the oblique beam extension piece positioned below the photovoltaic panel between the two installation beams; the two second travelling wheels are in contact with the upper surface of the oblique beam, so that second auxiliary equipment is reversely hung on the oblique beam, one end of a second pull rope is connected with the pull rope driving equipment, and the other end of the second pull rope penetrates through the pull rope assembly part and then is hooked to the pull rope fixing part; pressing the button rising upwards, starting the second lifting motor to move forwards to clamp the second supporting part of the second lifting mechanism to the bottom half part of the mounting beam, then starting the pull rope driving device until the pull rope is pre-tensioned, then starting the second lifting motor to move forwards to lift the photovoltaic module to a proper height (a corresponding upper limit switch can be arranged at the second lifting mechanism, when the second lifting mechanism rises to the proper height, the upper limit switch is triggered to disconnect a power supply circuit for forward rotation of the second lifting motor, and the second lifting motor stops moving forwards) (as shown in figure 21), then continuing rolling the pull rope by the pull rope driving device until the photovoltaic module reaches the designated position of the oblique beam, then pressing the button falling downwards, electrifying the second lifting motor to rotate reversely to provide downward falling power, and swinging the connecting rod downwards to drive the second supporting part to fall onto the oblique beam (in the process, the corresponding button is arranged at the second lifting mechanism to drive the photovoltaic module to fall onto the oblique beam (the process And the lower limit switch is triggered when falling to a specified height, the power supply circuit of the second lifting motor in the reverse rotation direction is disconnected, the second lifting motor in the reverse stop motion direction) is disconnected, and then the C-shaped steel of the mounting beam of the photovoltaic module is manually and manually mounted on the oblique beam, so that the photovoltaic module is mounted.

Of course, a traction deviation alarm switch as in the second embodiment may also be provided in this embodiment to prevent the danger caused by deviation.

The above embodiments should not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent transformations fall within the protection scope of the present invention.

Claims

1. A solar photovoltaic module installation construction method is characterized by comprising the following steps: the method specifically comprises the following steps:

firstly, an inclined beam extension piece is installed at one end, which is relatively low, of the inclined beam in an extending mode according to the length direction of the inclined beam, a photovoltaic module is assembled on the inclined beam extension piece through a photovoltaic panel and the installation beam, and the photovoltaic module is temporarily fixed on the inclined beam extension piece through a temporary fixing piece;

2. The solar photovoltaic module installation and construction method of claim 1, wherein: in the second step, the photovoltaic assembly is lifted through auxiliary equipment, and the auxiliary equipment is used for enabling the mounting beam to cross an obstacle in the moving process of the photovoltaic assembly; the obstacles include, but are not limited to, a first obstacle in which the top end of the stud head is higher than the upper surface of the oblique beam and/or a second obstacle in which the first support beam is higher than the upper surface of the oblique beam and/or a third obstacle in which the second support beam is higher than the upper surface of the oblique beam.

3. The utility model provides a solar PV modules installation construction equipment which characterized in that: the auxiliary device comprises an auxiliary supporting structure and the auxiliary device as claimed in claim 2, wherein the auxiliary device comprises a moving component for driving the photovoltaic component to move along the length direction of the oblique beam, and a lifting component for driving the photovoltaic component to lift; the moving assembly and the lifting assembly are assembled into a whole; the auxiliary support structure includes a stringer extension according to claim 2 for reducing the initial installation height of a photovoltaic module.

4. The solar photovoltaic module installation and construction equipment of claim 3, wherein: the auxiliary equipment is first auxiliary equipment; the moving assemblies are first moving assemblies, and the two lifting assemblies are respectively a first front lower lifting assembly and a first rear upper lifting assembly; the first front lower lifting assembly, the first moving assembly and the first rear upper lifting assembly are sequentially arranged at intervals and are connected through connecting pieces to be assembled into a whole; the first moving assembly comprises a first moving frame, the first moving frame is provided with a track which is movably matched with the oblique beam or the oblique beam extending piece and used for providing guidance for the first moving frame to move along the length direction of the oblique beam, and the first moving frame is further connected with a first driving assembly in a matched mode and used for driving the first moving assembly to move along the length direction of the oblique beam.

5. The solar photovoltaic module installation and construction equipment of claim 4, wherein: the bottom end of one side face of the first movable frame is provided with an L-shaped limiting piece, and the other side of the first movable frame is also provided with a first side limiting piece; the bottom side of the first moving frame, the L-shaped limiting piece and the first side limiting piece form the track; the first side limiting piece is pivoted with the first movable frame and used for enabling the first side limiting piece to have a front-back overturning function; the first driving assembly comprises a first pull rope disc, a first driving motor and a first pull rope, wherein the first driving motor is used for driving the first pull rope disc to rotate; the first pull rope disc is fixed in the first moving frame, one end of the first pull rope is fixedly wound on the first pull rope disc, and the other end of the first pull rope is used for being assembled with the relatively high end of the oblique beam or a position close to the relatively high end of the oblique beam.

6. The solar photovoltaic module installation and construction equipment of claim 5, wherein: the first moving frame is also provided with an induction module, and the induction module comprises a tensioning shaft and a tensioning wheel arranged on the tensioning shaft; two ends of the tensioning shaft are provided with tensioning sliding blocks; the first moving frame is provided with a moving groove at a position corresponding to the tensioning sliding block; a spring assembly is further arranged between the bottom side of the tensioning sliding block and the bottom of the moving groove, a first trigger piece is further arranged on the tensioning sliding block, and a groove-type photoelectric switch is further arranged on the first moving frame; the tensioning wheel is matched with the first pulling rope and used for acting on the tensioning wheel when the first pulling rope is pulled, the tensioning wheel drives the tensioning sliding block to overcome the elastic force of the spring assembly to move downwards, so that the first trigger piece enters the groove-shaped photoelectric switch, and the groove-shaped photoelectric switch sends out a sensing signal.

7. The solar photovoltaic module installation and construction equipment according to any one of claims 4 to 6, wherein: the first front lower lifting component and the first rear upper lifting component are arranged in the same way or in mirror image with each other; the first front lower lifting assembly comprises a first lifting bracket; a first travelling wheel shaft is arranged in the first lifting support, and a first travelling wheel is mounted on the first travelling wheel shaft; the first travelling wheels are matched with the oblique beam or the oblique beam extension piece and used for enabling the first auxiliary equipment to be in contact with the oblique beam through the first travelling wheels when the first auxiliary equipment moves along the length direction of the oblique beam.

8. The solar photovoltaic module installation and construction equipment of claim 7, wherein: the first front lower lifting assembly further comprises a first lifting mechanism; the first lifting mechanism comprises a first mounting shaft, a second mounting shaft, a third mounting shaft and a connecting rod which are mounted on the first lifting support; a first shaft sleeve is arranged on the first mounting shaft, and the first shaft sleeve has the freedom degree of overturning around the first mounting shaft and does not have the freedom degree of moving along the length direction of the first mounting shaft; a second shaft sleeve is arranged on the second mounting shaft, and the second shaft sleeve has the freedom degree of turning around the second mounting shaft and the freedom degree of moving along the length direction of the second mounting shaft; a rod sleeve is fixed on the second shaft sleeve; one end of the connecting rod is hinged with the first shaft sleeve, and the other end of the connecting rod penetrates through the rod sleeve, penetrates through the first lifting support and is exposed outside the first lifting support; the inner walls of the two sides of the first lifting support are also provided with screw rods; screw rod nuts assembled with the screw rods are fixed at two ends of the second mounting shaft; a worm gear is coaxially fixed at a position, close to the bottom end, of the screw rod, and worms matched with the worm gear are fixed at two ends of the third mounting shaft; the third mounting shaft is also coaxially provided with a first lifting motor; the first lifting motor is used for driving the third mounting shaft to drive the worm to rotate, further driving the worm wheel to drive the lead screw to rotate, and driving the second mounting shaft to lift through the lead screw nut, so that the connecting rod swings up and down around the first mounting shaft under the lifting action of the second mounting shaft; a first supporting part is further arranged at one end of the connecting rod exposed outside the first lifting support; the first supporting part is used for bearing a mounting beam of the photovoltaic module; the first lifting support is also provided with an inclined guide groove at the position where the connecting rod passes through; the oblique guide groove is used for guiding the connecting rod during lifting and swinging, so that the first supporting portion is located on the side face of the oblique beam when the connecting rod swings to the bottom end, the highest point of the first supporting portion is not higher than the upper surface of the oblique beam, and the first supporting portion is located above the oblique beam and within the width range of the first supporting portion located on the oblique beam when the connecting rod swings to the highest end.

9. The solar photovoltaic module installation and construction equipment of claim 3, wherein: the auxiliary equipment is second auxiliary equipment; the two lifting assemblies are respectively a second front lower lifting assembly and a second rear upper lifting assembly; the second moving assembly, the second front lower lifting assembly and the second rear upper lifting assembly are assembled into a whole; the second moving assembly comprises a second moving frame, the second moving frame is provided with a track which is movably matched with the oblique beam or the oblique beam extension piece and used for providing guidance for the second moving frame to move along the length direction of the oblique beam, and the second moving frame is also connected with a second driving assembly in a matched manner and used for driving the second moving assembly to move along the length direction of the oblique beam; the second movable frame is a vertical plate, one side of the vertical plate is provided with an upper limiting piece, and the top end of the vertical plate is provided with a second side limiting piece; a wheel fixing frame is further fixed on the second side limiting piece; the wheel fixing frame is also provided with a travelling wheel; the bottom side of the walking wheel, the top side of the upper limiting piece and the second side limiting piece form the track.

10. The solar photovoltaic module installation and construction equipment of claim 9, wherein: the second front lower lifting component and the second rear upper lifting component are arranged in the same way or in mirror image way; the first front lower lifting assembly comprises a second lifting support and a second lifting mechanism; the second lifting support is a horizontal plate which is fixed on the second movable frame and is arranged on one side opposite to the second side limiting piece; the second lifting mechanism is fixed on the second lifting support; a second supporting part is fixed on the top surface of the lifting end of the second lifting mechanism; the second supporting part is used for bearing a mounting beam of the photovoltaic module; the second lifting mechanism is also provided with a second lifting motor; the second lifting mechanism is used for driving lifting through a second lifting motor, when the second supporting portion is lowered to the bottom end, the highest point of the second supporting portion is not higher than the upper surface of the oblique beam, and when the second supporting portion is raised to the highest end, the height of the mounting beam supported by the second supporting portion is higher than the obstacle.