CN214611225U

CN214611225U - Bridge type cantilever crane with safety hook

Info

Publication number: CN214611225U
Application number: CN202120782027.6U
Authority: CN
Inventors: 陈巧峰; 徐嘉星
Original assignee: Fujian Shenli Heavy Industry Technology Co ltd
Current assignee: Fujian Shenli Heavy Industry Technology Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-05
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a bridge type cantilever crane that area safety was colluded, including the hoist body, hoist body top one side is equipped with the cantilever crane, cantilever crane bottom both sides sliding connection has the fixed pulley group, fixed pulley group outer wall one side is equipped with the fixed pulley mounting bracket, the cantilever crane bottom is equipped with hoisting mechanism. The utility model discloses a driving motor output shaft reversal drives the wind-up roll and rotates, and then drive the wire rope winding, and then drive reciprocating of wire rope, the removal from top to bottom through wire rope drives the removal of anticreep pulley yoke and then makes the anticreep couple carry out the hook object, when the anticreep couple carries out the hook object simultaneously, promote spacing dish through the cylinder, the fixture block that makes spacing dish outer wall passes inside the runner protection frame inserts the draw-in groove, and then carry out spacing fixed to the runner, the safety of goods has been guaranteed, constructor's safety has also been guaranteed, the speed of jack-up transportation has effectively been improved, and the work efficiency is also improved.

Description

Bridge type cantilever crane with safety hook

Technical Field

The utility model relates to a hoist technical field, concretely relates to bridge type cantilever crane that area safety was colluded.

Background

The crane mainly comprises a hoisting mechanism, a running mechanism, a luffing mechanism, a slewing mechanism, a metal structure and the like. The hoisting mechanism is the basic working mechanism of the crane, mostly consists of a hanging system and a winch, and also lifts heavy objects through a hydraulic system. The running mechanism is used for longitudinally and horizontally transporting heavy objects or adjusting the working position of the crane, and the slewing mechanism is used for slewing the arm support and consists of a driving device and a slewing bearing device. The metal structure is the framework of the crane, and the main bearing parts such as a bridge frame, an arm support and a portal frame can be box-shaped structures or truss structures, can also be web structures, and can use section steel as a supporting beam. The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.

The object is caught in the in-process that current hoist couple used needs the manual work to be adjusted and catches on, the phenomenon that the unhook can appear when the high altitude is removed in the lifting hook emergence of gantry crane during operation, lead to taking place the object and drop, certain potential safety hazard has, and often all adopt processing tooth on the eccentric wheel to the chain, carry on spacingly to the rope through the tooth, it is very unsafe to do so, in case the heavy object has a little to beat, perhaps vibrations, the eccentric wheel will shift up, lead to the tooth to loosen the chucking to the rope, it is very dangerous.

Therefore, it is necessary to provide a bridge type cantilever crane with a safety hook to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take bridge type cantilever crane that safety was colluded, it rotates to drive the wind-up roll through the reversal of driving motor output shaft, and then drive the winding of wire rope, and then drive reciprocating of wire rope, the removal from top to bottom through wire rope drives the removal of anticreep pulley yoke and then makes the anticreep couple carry out the hook object, when the anticreep couple carries out the hook object simultaneously, promote spacing dish through the cylinder, the fixture block that makes spacing dish outer wall passes inside the runner protection frame inserts the draw-in groove, and then carry out spacing fixed to the runner, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: a bridge type cantilever crane with a safety hook comprises a crane body, wherein an arm support is arranged on one side of the top of the crane body, fixed pulley blocks are connected to two sides of the bottom of the arm support in a sliding mode, a fixed pulley mounting frame is arranged on one side of the outer wall of each fixed pulley block, and a lifting mechanism is arranged on the bottom of the arm support;

the lifting mechanism comprises two supporting rods, a connecting frame is fixedly connected between the two supporting rods, an installing frame is arranged on one side of the outer wall of the connecting frame, a winding roller is arranged on the inner wall of the installing frame, a steel wire rope is arranged on the outer wall of the winding roller, a driving motor is arranged on one side of the outer wall of the installing frame, an output shaft of the driving motor corresponds to the winding roller, and a limiting mechanism is arranged on the other side of the outer wall of the connecting frame;

the limiting mechanism comprises a steel wire bearing frame, the steel wire bearing frame is fixedly connected with a connecting frame through bolts, transmission rotating shafts are hinged on two sides of the inner wall of the steel wire bearing frame, two rotating wheel protecting frames are movably sleeved on the outer walls of the transmission rotating shafts, the rotating wheel protecting frames are rotatably connected with the steel wire bearing frame through the transmission rotating shafts, a rotating wheel is arranged on one side of the inner wall of each rotating wheel protecting frame, the rotating wheel is matched with a steel wire rope, a rotating rod is inserted into the inner wall of the rotating wheel, second bearings are arranged at the joints of the rotating rod and the connecting frame and the rotating wheel protecting frames, the rotating rod is respectively rotatably connected with the connecting frame and the rotating wheel protecting frames through the second bearings, a plurality of clamping grooves are formed in one side of the inner wall of the rotating wheel, a limiting disc is arranged on one side of the outer wall of each rotating wheel protecting frame, and a clamping block is fixedly connected with the outer wall of the limiting disc, the number of the clamping blocks corresponds to that of the clamping grooves, the clamping blocks penetrate through the rotating wheel protection frame and extend to one side of the inner wall of the rotating wheel protection frame and are matched with the clamping grooves, and the bottom of the supporting rod is provided with a hoisting anti-falling mechanism;

jack-up anti-disengaging mechanism includes the anticreep pulley yoke, the quantity of anticreep pulley yoke sets up to two, two anticreep pulley yoke bottom fixedly connected with anticreep mount, the inside fixed axle that pegs graft of anticreep mount has, the fixed axle rotates with the anticreep mount to be connected, fixed axle inner wall axis department is equipped with the installation lantern ring, the inside threaded connection of installation lantern ring has the anticreep couple.

Preferably, a fixing rod is fixedly connected between the two support rods, an air cylinder is arranged at the top of the fixing rod, and the output end of the air cylinder corresponds to one side of the outer wall of the limiting disc.

Preferably, the top of each support rod is fixedly connected with a mounting plate, and two sides of the outer wall of each mounting plate are respectively hinged with the fixed pulley block and the fixed pulley mounting frame.

Preferably, the wind-up roll runs through the mounting bracket and extends to mounting bracket outer wall one side, the wind-up roll is equipped with first bearing with the mounting bracket junction, the wind-up roll is connected through first bearing and mounting bracket rotation.

Preferably, two the anticreep pulley yoke inner wall is pegged graft and is had the connecting axle, the connecting axle is equipped with the third bearing with the anticreep pulley yoke junction, the inside antiskid wheel that is equipped with of anticreep pulley yoke, the through-hole has all been seted up to anticreep pulley yoke inner wall both sides, antiskid wheel and wire rope phase-match, through-hole and wire rope phase-match.

Preferably, anticreep couple inner wall one side articulates there is the anticreep elastic pin, fixedly connected with spring between anticreep elastic pin and the anticreep couple, the bead has been seted up to anticreep couple inner wall one side, the anticreep elastic pin and bead phase-match.

In the technical scheme, the utility model provides a technological effect and advantage:

1. drive the wind-up roll through the reversal of driving motor output shaft and rotate, and then drive the wire rope winding, and then drive reciprocating of wire rope, the removal that drives anticreep pulley yoke through the upper and lower removal of wire rope and then make the anticreep couple carry out the hook object, when the hook object is carried out at the anticreep couple simultaneously, promote spacing dish through the cylinder, the fixture block that makes spacing dish outer wall passes inside the runner protection frame inserts the draw-in groove, and then carry out spacing fixed to the runner, just so formed the chucking state, prevent that the runner from rotating, the safety of goods has been guaranteed, constructor's safety has also been guaranteed, the speed that the staff can corresponding improvement jack-up transportation, and the work efficiency is improved.

2. The matched anti-falling elastic pin and the flange are mutually supported and held by the anti-falling elastic pin and the spring, the anti-falling elastic pin forms a limit position for the flange, so that the opening of the anti-falling hook is sealed and locked, the object is prevented from being unhooked, the heavy object is prevented from falling off, the safety is greatly improved, and the safety performance of the crane is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of a hoisting mechanism of the present invention;

FIG. 3 is a schematic view of the connection structure of the rotating wheel and the limiting plate of the present invention;

FIG. 4 is an enlarged view of the structure at A of FIG. 2 according to the present invention;

fig. 5 is a schematic view of the anti-dropping hook of the present invention.

Description of reference numerals:

1. a crane body; 2. a boom; 3. a fixed pulley block; 4. a fixed pulley mounting frame; 5. mounting a plate; 6. a support bar; 7. a connecting frame; 8. a mounting frame; 9. a wind-up roll; 10. a wire rope; 11. a drive motor; 12. a steel wire bearing frame; 13. a transmission rotating shaft; 14. a runner protection frame; 15. fixing the rod; 16. a cylinder; 17. rotating the rod; 18. a rotating wheel; 19. a card slot; 20. a limiting disc; 21. a clamping block; 22. an anti-drop pulley yoke; 23. an anti-drop fixing frame; 24. a fixed shaft; 25. mounting a lantern ring; 26. an anti-drop hook; 27. an anti-drop elastic pin; 28. a flange; 29. a connecting shaft; 30. anti-skid wheels; 31. and a through hole.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a bridge type cantilever crane with a safety hook as shown in figures 1-5, which comprises a crane body 1, wherein one side of the top of the crane body 1 is provided with an arm support 2, two sides of the bottom of the arm support 2 are slidably connected with a fixed pulley block 3, one side of the outer wall of the fixed pulley block 3 is provided with a fixed pulley mounting frame 4, and the bottom of the arm support 2 is provided with a lifting mechanism;

the lifting mechanism comprises two support rods 6, a connecting frame 7 is fixedly connected between the two support rods 6, an installation frame 8 is arranged on one side of the outer wall of the connecting frame 7, a winding roller 9 is arranged on the inner wall of the installation frame 8, a steel wire rope 10 is arranged on the outer wall of the winding roller 9, a driving motor 11 is arranged on one side of the outer wall of the installation frame 8, an output shaft of the driving motor 11 corresponds to the winding roller 9, and a limiting mechanism is arranged on the other side of the outer wall of the connecting frame 7;

the limiting mechanism comprises a steel wire bearing frame 12, the steel wire bearing frame 12 is fixedly connected with a connecting frame 7 through bolts, transmission rotating shafts 13 are hinged to two sides of the inner wall of the steel wire bearing frame 12, two rotating wheel protection frames 14 are movably sleeved on the outer wall of the transmission rotating shafts 13, the rotating wheel protection frames 14 are rotatably connected with the steel wire bearing frame 12 through the transmission rotating shafts 13, a rotating wheel 18 is arranged on one side of the inner wall of each rotating wheel protection frame 14, the rotating wheel 18 is matched with a steel wire rope 10, a rotating rod 17 is inserted into the inner wall of each rotating wheel 18, second bearings are arranged at the joints of the rotating rod 17, the connecting frame 7 and the rotating wheel protection frames 14, the rotating rod 17 is respectively rotatably connected with the connecting frame 7 and the rotating wheel protection frames 14 through the second bearings, clamping grooves 19 are formed in the inner wall of each rotating wheel 18, close to one side of the rotating wheel protection frames 14, the number of the clamping grooves 19 is multiple, and a limiting disc 20 is arranged on one side of the outer wall of each rotating wheel protection frame 14, the outer wall of the limiting disc 20 is fixedly connected with clamping blocks 21, the number of the clamping blocks 21 corresponds to that of the clamping grooves 19, the clamping blocks 21 penetrate through the rotating wheel protection frame 14, extend to one side of the inner wall of the rotating wheel protection frame 14 and are matched with the clamping grooves 19, and the bottom of the supporting rod 6 is provided with a hoisting anti-falling mechanism;

jack-up anti-disengaging mechanism includes anticreep pulley yoke 22, anticreep pulley yoke 22's quantity sets up to two, two anticreep pulley yoke 22 bottom fixedly connected with anticreep mount 23, the inside grafting of anticreep mount 23 has fixed axle 24, fixed axle 24 rotates with anticreep mount 23 to be connected, 24 inner wall axis departments of fixed axle are equipped with the installation lantern ring 25, the inside threaded connection of installation lantern ring 25 has anticreep couple 26.

Further, in the above technical solution, a fixing rod 15 is fixedly connected between the two support rods 6, an air cylinder 16 is arranged at the top of the fixing rod 15, and an output end of the air cylinder 16 corresponds to one side of an outer wall of the limiting disc 20.

Further, in the above technical scheme, two equal fixedly connected with mounting panel 5 in 6 tops of bracing piece, 5 outer wall both sides of mounting panel are articulated mutually with fixed pulley group 3 and fixed pulley mounting bracket 4 respectively.

Further, in the above technical scheme, wind-up roll 9 runs through mounting bracket 8 and extends to mounting bracket 8 outer wall one side, wind-up roll 9 is equipped with first bearing with the mounting bracket 9 junction, wind-up roll 9 rotates with mounting bracket 8 through first bearing and is connected.

Further, in the above technical solution, two inner walls of the anti-drop pulley yoke 22 are inserted with a connecting shaft 29, a third bearing is arranged at a joint of the connecting shaft 29 and the anti-drop pulley yoke 22, an anti-slip wheel 30 is arranged inside the anti-drop pulley yoke 22, through holes 31 are formed in two sides of the inner wall of the anti-drop pulley yoke 22, the anti-slip wheel 30 is matched with the steel wire rope 10, and the through holes 31 are matched with the steel wire rope 10.

Further, in the above technical solution, an anti-disengaging elastic pin 27 is hinged to one side of the inner wall of the anti-disengaging hook 26, a spring is fixedly connected between the anti-disengaging elastic pin 27 and the anti-disengaging hook 26, a flange 28 is provided on one side of the inner wall of the anti-disengaging hook 26, and the anti-disengaging elastic pin 27 is matched with the flange 28.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, in the operation of the present invention, firstly, the fixed pulley block 3 and the fixed pulley mounting rack 4 are installed on the arm support 2, the steel wire rope 10 is wound by 30 circles around the anti-slip wheel through the through hole 31 and then passes out of another through hole 31, the steel wire rope 10 passes through the rotating wheel 18, then the winding roller 9 is driven to rotate in reverse direction by the output shaft of the driving motor 11, and further the steel wire rope 10 is driven to wind, and further the steel wire rope 10 is driven to move up and down, when moving to the lower part of the object to be hooked, the anti-slip pulley frame 22 is driven to move by the up and down movement of the steel wire rope 10, and further the anti-slip hook 26 hooks the object, after the anti-slip hook 26 hooks the object, the steel wire rope 10 is retracted by the forward rotation winding roller 9, the anti-slip pulley frame 22 lifts the heavy object to move up under the pulling force of the steel wire rope 10, and simultaneously, when the anti-slip hook 26 hooks the object, promote spacing dish 20 through cylinder 16, make the fixture block 21 of spacing dish 20 outer wall pass inside runner protection frame 14 inserts draw-in groove 19, and then carry out spacing fixed to runner 18, just so formed the chucking state, prevent that runner 18 from rotating, the safety of goods has been guaranteed, constructor's safety has also been guaranteed, link 7 outer wall is provided with runner 18 and cooperatees with anticreep pulley yoke 22 and can effectively reduce the weight that the hoist hoisted the heavy object, the speed of the improvement jack-up transportation that the staff can be corresponding, and work efficiency is improved.

Referring to the attached drawings 1-5 of the specification, the utility model discloses an anticreep elastic pin 27 and spring and the cooperation anticreep elastic pin 27 of bead 28 support each other with bead 28 and hold, and anticreep elastic pin 27 forms spacingly to bead 28 to seal the opening of anticreep couple 26 and lock, and then prevent the phenomenon of object unhook, can not drop in order to guarantee the heavy object, improve the security greatly, effectively improved the security performance of hoist.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a take bridge type cantilever crane of safe collude, includes hoist body (1), its characterized in that: an arm support (2) is arranged on one side of the top of the crane body (1), a fixed pulley block (3) is connected to two sides of the bottom of the arm support (2) in a sliding mode, a fixed pulley mounting frame (4) is arranged on one side of the outer wall of the fixed pulley block (3), and a lifting mechanism is arranged at the bottom of the arm support (2);

the lifting mechanism comprises two supporting rods (6), a connecting frame (7) is fixedly connected between the two supporting rods (6), an installing frame (8) is arranged on one side of the outer wall of the connecting frame (7), a winding roller (9) is arranged on the inner wall of the installing frame (8), a steel wire rope (10) is arranged on the outer wall of the winding roller (9), a driving motor (11) is arranged on one side of the outer wall of the installing frame (8), an output shaft of the driving motor (11) corresponds to the winding roller (9), and a limiting mechanism is arranged on the other side of the outer wall of the connecting frame (7);

the limiting mechanism comprises a steel wire bearing frame (12), the steel wire bearing frame (12) is fixedly connected with a connecting frame (7) through bolts, transmission rotating shafts (13) are hinged to two sides of the inner wall of the steel wire bearing frame (12), a rotating wheel protection frame (14) is movably sleeved on the outer wall of each transmission rotating shaft (13), the rotating wheel protection frame (14) is rotatably connected with the steel wire bearing frame (12) through the transmission rotating shafts (13), a rotating wheel (18) is arranged on one side of the inner wall of the rotating wheel protection frame (14), the rotating wheel (18) is matched with a steel wire rope (10), a rotating rod (17) is inserted into the inner wall of the rotating wheel (18), second bearings are arranged at the joints of the rotating rod (17) and the connecting frame (7) and the rotating wheel protection frame (14), and the rotating rod (17) is rotatably connected with the connecting frame (7) and the rotating wheel protection frame (14) through the second bearings respectively, one side, close to the rotating wheel protection frame (14), of the inner wall of the rotating wheel (18) is provided with a plurality of clamping grooves (19), one side of the outer wall of the rotating wheel protection frame (14) is provided with a limiting disc (20), the outer wall of the limiting disc (20) is fixedly connected with clamping blocks (21), the number of the clamping blocks (21) corresponds to that of the clamping grooves (19), the clamping blocks (21) penetrate through the rotating wheel protection frame (14) and extend to one side of the inner wall of the rotating wheel protection frame (14) and are matched with the clamping grooves (19), and the bottom of the supporting rod (6) is provided with a hoisting anti-falling mechanism;

jack-up anti-disengaging mechanism includes anticreep pulley yoke (22), the quantity of anticreep pulley yoke (22) sets up to two, two anticreep pulley yoke (22) bottom fixedly connected with anticreep mount (23), the inside grafting of anticreep mount (23) has fixed axle (24), fixed axle (24) are rotated with anticreep mount (23) and are connected, fixed axle (24) inner wall axis department is equipped with the installation lantern ring (25), the inside threaded connection of installation lantern ring (25) has anticreep couple (26).

2. The bridge type cantilever crane with the safety hook as claimed in claim 1, wherein: two fixedly connected with dead lever (15) between bracing piece (6), dead lever (15) top is equipped with cylinder (16), cylinder (16) output is corresponding with spacing dish (20) outer wall one side.

3. The bridge type cantilever crane with the safety hook as claimed in claim 1, wherein: two equal fixedly connected with mounting panel (5) in bracing piece (6) top, mounting panel (5) outer wall both sides are articulated mutually with fixed pulley group (3) and fixed pulley mounting bracket (4) respectively.

4. The bridge type cantilever crane with the safety hook as claimed in claim 1, wherein: wind-up roll (9) run through mounting bracket (8) and extend to mounting bracket (8) outer wall one side, wind-up roll (9) and mounting bracket (8) junction are equipped with first bearing, wind-up roll (9) are rotated with mounting bracket (8) through first bearing and are connected.

5. The bridge type cantilever crane with the safety hook as claimed in claim 1, wherein: two anticreep pulley yoke (22) inner wall is pegged graft and is had connecting axle (29), connecting axle (29) and anticreep pulley yoke (22) junction are equipped with the third bearing, anticreep pulley yoke (22) inside is equipped with anti-skidding wheel (30), through-hole (31) have all been seted up to anticreep pulley yoke (22) inner wall both sides, anti-skidding wheel (30) and wire rope (10) phase-match, through-hole (31) and wire rope (10) phase-match.

6. The bridge type cantilever crane with the safety hook as claimed in claim 1, wherein: anticreep couple (26) inner wall one side articulates there is anticreep elastic pin (27), fixedly connected with spring between anticreep elastic pin (27) and anticreep couple (26), flange (28) have been seted up to anticreep couple (26) inner wall one side, anticreep elastic pin (27) and flange (28) phase-match.