CN219566903U - Embedded scraper ship unloader system with column type lifting and arm support pitching - Google Patents
Embedded scraper ship unloader system with column type lifting and arm support pitching Download PDFInfo
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- CN219566903U CN219566903U CN202320788654.XU CN202320788654U CN219566903U CN 219566903 U CN219566903 U CN 219566903U CN 202320788654 U CN202320788654 U CN 202320788654U CN 219566903 U CN219566903 U CN 219566903U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
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Abstract
The utility model relates to a buried scraper ship unloader system with column type lifting and arm support pitching, which comprises the following components: a vertical buried scraper unit (1) for extracting a material to a target position; the arm support assembly unit (3) is used for receiving the conveyed materials of the vertical buried scraper unit (1) and providing support; the lifting-rotating unit (15) is used for controlling the lifting of the arm support assembly unit (3); the rotation-balance unit is used for controlling the rotation and balance of the arm support assembly unit (3) and/or the vertical buried scraper unit (1); the material conveying unit is used for conveying the extracted materials to the material collecting unit; the portal assembly unit (22) is used for bearing the lifting-rotating unit (15). Compared with the prior art, the utility model utilizes a novel structural type and reasonable operation mode to enable the embedded scraper ship unloader to carry out ship unloading operation on a wharf with large water head, thereby solving the key problems in environmental protection construction of the wharf.
Description
Technical Field
The utility model relates to the field of bulk cargo ship unloading equipment, in particular to a buried scraper ship unloader system with column type lifting and arm support pitching.
Background
For bulk materials with lighter volume weight, smaller particles and uniformity, the embedded scraper ship unloader is an ideal environment-friendly ship unloader model, and has low energy consumption, high efficiency and light weight of the whole machine.
As shown in fig. 20, the conventional ship unloader with buried scraper is of the arm type. The pitching oil cylinder is positioned in front of the hinge point of the arm support and below the arm support to pitch the arm support so as to adjust the height of the vertical buried scraper lifting material taking head reaching the material taking position in the bin; the swinging oil cylinder arranged at the head part of the arm support swings the vertical buried scraper system; and the arm support is combined to rotate to form a material taking working surface.
The river basin, especially the wharf in the upstream area, has great water level difference up to about 30 m. The conventional embedded scraper ship unloader cannot adapt to the operation requirement of the wharf because the height of the working surface of the vertical embedded scraper material taking head cannot be changed greatly due to the limited length of the arm support and the limited pitching angle of the arm support.
Disclosure of Invention
The utility model aims to overcome at least one of the defects in the prior art and provide a buried scraper ship unloader system with column type lifting and boom pitching. The novel structure type and reasonable operation mode enable the embedded scraper ship unloader to carry out ship unloading operation on a wharf with large water head, and solve the key problems in environmental protection construction of the wharf.
The aim of the utility model can be achieved by the following technical scheme:
a post lift, boom pitch embedded blade ship unloader system, the system comprising:
the vertical buried scraper unit is used for extracting materials to a target position;
the arm support assembly unit is used for receiving the conveyed materials of the vertical buried scraper unit and providing support;
the lifting-rotating unit is used for controlling the lifting of the arm support assembly unit;
the rotation-balance unit is used for controlling the rotation and balance of the arm support assembly unit and/or the vertical buried scraper unit;
a material conveying unit for conveying the extracted material to a material collecting unit
The portal assembly unit is used for bearing the lifting-rotating unit;
the vertical buried scraper unit is hinged to the head of the arm support assembly unit; one end of the arm support assembly unit, which is far away from the vertical buried scraper unit, is hinged with the lifting-rotating unit; one end of the rotation-balance unit is hinged with one end, far away from the arm support assembly unit, of the lifting-rotation unit, and the other end of the rotation-balance unit is connected with the arm support assembly unit or the vertical buried scraper unit respectively; one end of the material conveying unit is connected with the vertical buried scraper unit, and the other end of the material conveying unit is connected with the material collecting unit; the portal assembly unit is arranged below the lifting-rotating unit.
The material conveying unit is mostly composed of a scraper and a lifter, is in the prior art, except for an external bearing frame, a feeding structure similar to the scraper is buried in the vertical buried scraper unit and the arm support assembly unit, and the vertical buried scraper unit is connected with the feeding structure in the arm support assembly unit, so that continuous conveying of materials is ensured, and the vertical buried scraper unit and the arm support assembly unit are all the existing mature technologies.
The lifting unit moves up and down, the height of the arm support assembly unit relative to the code head surface can be adjusted, the material taking head below the vertical buried scraper unit can carry out material taking operation on materials in the cabin, and the key problem that the height of the material taking operation surface cannot be adjusted greatly by the conventional machine type is solved.
A movable cart travelling device is arranged below the portal frame assembly unit.
Further, the arm support assembly unit comprises an arm support main body, wherein a pitching pull rod and a pitching support rod are arranged on the arm support main body;
one end of the pitching pull rod and one end of the pitching support rod are hinged with the arm support main body, and the other end of the pitching pull rod and one end of the pitching support rod are hinged with the lower hinge point of the pitching connecting rod;
the rotation-balance unit comprises a boom balance subunit for controlling the rotation and balance of the boom assembly unit, and the boom balance subunit comprises a balance boom assembly and a driving mechanism for driving the balance boom assembly to move;
the balance arm support assembly comprises a balance arm support structural member, and a second pitching brace which are arranged at two ends of the balance arm support structural member;
one end of the second pitching brace rod and one end of the second pitching pull rod are hinged with the balance arm frame structural member, and the other end of the second pitching brace rod is hinged with a hinge point on the pitching connecting rod; the lower hinge point of the pitching connecting rod is connected with the upper hinge point of the pitching connecting rod through the pitching connecting rod of the arm support;
the lifting-rotating unit comprises a lifting platform and a power mechanism for controlling the lifting platform to lift; the arm support main body and the lifting platform are hinged to an arm support hinge point; the balance arm frame structural member and the lifting platform are hinged to the hinge point of the balance arm frame.
Further, the driving mechanism comprises an arm support pitching oil cylinder, one end of the pitching oil cylinder is hinged with the lifting platform at a lower hinging point of the pitching oil cylinder, and the other end of the pitching oil cylinder is hinged with the middle part of the second pitching stay rod at an upper hinging point of the pitching oil cylinder.
If the upper hinge point of the pitching oil cylinder is needed, a plurality of support rods can be adopted to be connected with the structural part of the balance arm support for reinforcement.
The boom pitching oil cylinder stretches and contracts, and the balance boom assembly rotates around a balance boom hinge point; meanwhile, the upper hinge point of the pitching connecting rod drives the pitching connecting rod of the arm support to move, and the lower hinge point of the pitching connecting rod drives the arm support assembly unit to rotate around the hinge point of the arm support, so that the arm support assembly unit realizes pitching motion. The boom pitching oil cylinder is arranged behind the lifting-rotating unit and can be used for weight distribution; and the rear space is large, and the boom pitching oil cylinders can be reasonably arranged to reduce the working load of the boom pitching oil cylinders.
Further, the rotation-balance unit also comprises a vertical buried scraper balance subunit for controlling the rotation and balance of the vertical buried scraper unit, and the vertical buried scraper balance subunit comprises a swing rod connecting rod assembly and a second driving mechanism for driving the swing rod connecting rod assembly to move;
the second driving mechanism comprises a vertical buried scraper swing oil cylinder and an adjustable weight distribution structure, the adjustable weight distribution structure comprises a weight support, a balancing weight is arranged on the weight support, one end of the weight support is hinged with a balance arm frame structural member at a lower hinge point of the weight support, and the other end of the weight support is hinged with one side, far away from the balance arm frame structural member, of the vertical buried scraper swing oil cylinder at an upper hinge point of the weight support; one end of the vertical buried scraper swing oil cylinder, which is far away from the upper hinge point of the counterweight bracket, is hinged with the balance arm frame structural member at the lower hinge point of the swing oil cylinder;
the swing rod connecting rod assembly comprises a scraper connecting rod, a middle connecting rod and a rear connecting rod which are sequentially hinged; one end of the scraper connecting rod is hinged with the vertical buried scraper unit at a hinge point of the swinging connecting rod, and the other end of the scraper connecting rod is hinged with the middle connecting rod at a hinge point on the front swinging rod; one end of the rear connecting rod is hinged with the middle connecting rod at a hinge point on the rear swing rod, and the other end of the rear connecting rod is hinged with a hinge point on the counterweight bracket;
the upper hinge point of the front swing rod is hinged with the lower hinge point of the front swing rod through the front swing rod and the lifting platform; the upper hinge point of the rear swing rod is hinged with the lower hinge point of the rear swing rod through the rear swing rod and the lifting platform.
The vertical buried scraper swing oil cylinder is supported between the upper hinge point of the counterweight bracket and the lower hinge point of the swing oil cylinder. The vertical buried scraper swing oil cylinder stretches out and draws back, and the counterweight bracket can rotate around a lower hinge point of the counterweight bracket. The adjustable weight distribution structure can balance the weight of the vertical buried scraper unit positioned at the head part of the arm support assembly unit, so that the synthetic gravity center of all lifting components following the lifting-rotating unit is in the circumference of the central cylinder and approaches the circle center, the lifting-rotating unit can be prevented from overturning, and the working load of all lifting steel wire ropes can be balanced.
Further, the vertical buried scraper unit and the arm support assembly unit are hinged to a swinging hinge point of the vertical buried scraper; the distance between the swing connecting rod hinge point and the vertical buried scraper swing hinge point, the distance between the front swing rod upper hinge point and the rear swing rod upper hinge point, the distance between the rear swing rod upper hinge point and the rear swing rod lower hinge point, and the distance between the counterweight support upper hinge point and the counterweight support lower hinge point are equal.
In the moving process, as shown in fig. 16, the front swing rod, the rear swing rod and the counterweight bracket rotate by taking the lower hinge point of the front swing rod, the lower hinge point of the rear swing rod and the lower hinge point of the counterweight bracket as circle centers respectively. The scraper connecting rod enables the vertical buried scraper unit to rotate around the vertical buried scraper swinging hinge point so as to adjust the angle of the vertical buried scraper unit relative to the arm support assembly unit. Because the rotation radiuses of the four parts are consistent, the vertical buried scraper unit, the front swing rod, the rear swing rod and the counterweight bracket are always parallel. When the vertical buried scraper blade material taking head swings to the sea side, the balancing weight moves to the land side; when the material taking head swings to the land side, the balancing weight moves to the sea side. The position of the balancing weight can be automatically adjusted along with the swing angle of the vertical buried scraper unit so as to reduce the displacement variation of the synthetic gravity center of the vertical buried scraper unit, so that the adjustable weight structure has self-adaptive characteristics.
Further, the power mechanism comprises a central cylinder and a steel wire rope pulley assembly, wherein the steel wire rope pulley assembly comprises a lifting lower pulley, a lifting upper pulley and a lifting steel wire rope;
the top of the central cylinder is provided with a motor winding drum component for controlling the movement of the lifting steel wire rope; the lifting platform is sleeved outside the central cylinder; the lifting lower pulley is fixed on the lifting platform, the lifting upper pulley is fixed on the top of the central cylinder and below the motor winding drum assembly, and the lifting steel wire rope is sleeved between the lifting lower pulley and the lifting upper pulley.
The principle of the motor reel assembly is that the motor drives the reel, and then the reel is used for moving the steel wire rope. When the motor winding drum assembly tightens up the lifting steel wire rope, the lifting platform moves upwards along the central cylinder; when the motor winding drum assembly releases the lifting steel wire rope, the lifting platform moves downwards.
Further, lifting rails are laid on the outer side of the central cylinder, and upper rollers and lower rollers which are matched with the lifting rails in number are arranged on the lifting platform; the upper roller and the lower roller are abutted with the lifting rail; and a cab platform is also arranged on the lifting platform.
The roller rolls and walks on the lifting track, so that the accuracy and convenience of the up-and-down movement of the lifting platform along the central cylinder under the traction of the lifting steel wire rope can be ensured. According to the actual condition of the ship unloader, the number of the lifting rails and the corresponding rollers can be adjusted.
Further, the material conveying unit comprises an arm support embedded scraper device, a telescopic chute, a material storage chute, a rotary feeding device, a portal scraper device, a discharging chute and a wharf belt conveyor which are connected in sequence; the arm support embedded scraper device is connected with the vertical embedded scraper unit, and the wharf belt conveyor is connected with the material collecting unit;
the material storage chute is fixedly connected with the lower part of the central cylinder; the upper part of the telescopic chute is fixed on the lifting platform, and the lower part of the telescopic chute is connected with the material storage chute; the rotary feeding device and the portal scraping plate device are arranged on the portal assembly unit.
The vertical buried scraper unit lifts and transfers materials extracted from the cabin to the cantilever crane buried scraper device, blanking is fed to the portal scraper device through the rotary feeding device by the telescopic chute and the storage chute, and the discharging chute discharges the materials to the wharf belt conveyor. The telescopic chute can follow the lifting motion of the lifting platform. The material storage chute can reduce the material flow rate and reduce the material breakage rate. In the process, the materials are closed and continuously conveyed, and the ship unloading device has the advantages of no dust leakage, low energy consumption and stable ship unloading efficiency.
When the lifting platform moves up and down along the central cylinder, all components connected with the lifting-rotating unit, including the vertical embedded scraper unit, the arm frame embedded scraper device, the arm frame assembly unit, the balance arm frame assembly and the like, can be lifted. The height of the telescopic chute is changed along with the up-and-down movement of the lifting platform.
Further, the center cylinder is connected with the portal frame assembly unit through a slewing bearing, and the lifting-slewing unit further comprises a slewing mechanism for driving the center cylinder to rotate.
When the slewing mechanism drives, the central cylinder can rotate around the center of the slewing bearing, so as to drive the lifting platform to revolve. Thus, as shown in FIGS. 3-4, all associated components on the lift-swing unit, including the vertical embedded screed unit, the boom assembly unit, the balanced boom assembly, etc., may swing; the material storage chute is fixedly connected with the lower part of the central cylinder and can rotate along with the central cylinder; the telescopic chute can also rotate. The rotary feeding device and the portal scraping plate device which are arranged on the portal assembly unit can not rotate.
Further, a material taking head is arranged below the vertical buried scraper unit, screw feeding devices are arranged on two sides of the material taking head, a screw feeding driving motor and a screw feeding transmission shaft are further arranged on the screw feeding devices, the screw feeding driving motor is arranged above the material taking head and far away from a material pile in a warehouse, and the screw feeding devices are driven by the screw feeding transmission shaft; and a discharge chute is also arranged on the vertical buried scraper unit.
When the vertical buried scraper unit works, the screw heads of the screw feeding device rotate pairwise, so that materials in a warehouse can be stirred, hardening can be broken, the fluidity of the materials can be improved, and enough materials can be conveyed for the vertical buried scraper material taking head, so that the lifting productivity of the vertical buried scraper unit can be ensured. The anti-explosion protection can be provided for the screw feeding driving motor so as to ensure the safety of ship unloading operation.
Compared with the prior art, the utility model has the following advantages:
(1) In the utility model, the arm support assembly is positioned on the lifting platform, and the vertical buried scraper system is positioned at the head of the arm support assembly. The lifting platform moves up and down along the central cylinder, so that the height of the arm support assembly relative to the code head surface can be greatly adjusted. Under the condition of large water level drop, the material taking head below the vertical buried scraper unit reaches the material surface in the warehouse. The arm support pitching, the vertical embedded scraper unit swinging and the arm support swinging can form a material taking working surface; the cart walks, so that the material taking point can cover all cabins. The whole machine has novel structure and reasonable operation mode;
(2) According to the utility model, the motor winding drum assembly lifts the lifting platform through the steel wire rope and the pulley, and the lifting platform walks on the central cylindrical track through the roller, so that the lifting movement is accurate and convenient;
(3) According to the utility model, materials extracted from a cabin by a vertical embedded scraper unit are discharged to a wharf belt conveyor through an arm support embedded scraper unit, a telescopic chute, a storage chute, a rotary feeding device, a portal scraper device and a discharge chute; the specially planned material conveying unit can ensure that the ship unloader can realize the totally-enclosed and continuous conveying of materials under various operation states, has no dust leakage, low energy consumption and stable ship unloading efficiency;
(4) The spiral feeding device arranged for the vertical buried scraper blade material taking head can stir materials in a warehouse, break hardening to improve the material fluidity, can convey enough materials for the vertical buried scraper blade material taking head, and ensures the improvement of the production rate of the vertical buried scraper blade unit. The screw feeding driving motor is positioned above the vertical buried scraper blade material taking head and drives the screw feeding device through the transmission shaft. The motor is far away from the material pile in the warehouse, so that explosion protection can be provided to ensure the safety of ship unloading operation;
(5) In the utility model, the triangular system formed by the pitching pull rod, the pitching support rod and the arm support structure can improve the stress of the arm support; the arm support is connected with an arm support pitching connecting rod, and the arm support is driven by an arm support pitching oil cylinder to realize pitching motion. Because the boom pitching oil cylinder is behind the rotation center, the oil cylinder can play a role of counterweight. The rear space is large, enough action space can be provided for the oil cylinder, and the oil cylinder can be reasonably arranged to reduce the working load of the oil cylinder;
(6) The vertical buried scraper swinging oil cylinder enables the vertical buried scraper unit to rotate around a swinging hinge point through the connecting rod so as to adjust the angle of the vertical buried scraper unit relative to the arm support. The swing oil cylinder is positioned at the rearmost part of the balance arm support and can be used for the weight distribution; the arrangement is flexible, and the working load of the oil cylinder can be reduced;
(7) In the utility model, the adjustable weight distribution system can automatically adjust the weight position so as to reduce the displacement variation of the gravity center synthesized by the vertical buried scraper unit and the weight. When the vertical buried scraper blade material taking head swings to the sea side, the counterweight moves to the land side; when the pick-up head swings to the land side, the counterweight moves to the sea side. The self-adaptive characteristic of the adjustable weight distribution unit can ensure that the composite gravity center of the rotary platform and all parts attached to the rotary platform is in the circumference of the central cylinder and approaches the center of the rotary platform when the ship unloader works in any state, so as to avoid overturning of the lifting platform and balance the working load of all lifting steel wire ropes.
Drawings
FIG. 1 is a layout of a buried scraper ship unloader in an embodiment;
FIG. 2 is a top view of a buried scraper ship unloader in an embodiment;
FIG. 3 is a front view of a buried scraper ship unloader in an embodiment;
FIG. 4 is a cross-sectional side view of A-A of FIG. 3;
FIG. 5 is a front view of a vertically buried squeegee unit in accordance with embodiments;
FIG. 6 is a side view of a vertically buried screed unit in an embodiment;
FIG. 7 is a front view of the lift-swing unit in an embodiment;
FIG. 8 is a cross-sectional top view of C-C of FIG. 7;
FIG. 9 is a side view of a lift-swing unit in an embodiment;
FIG. 10 is a detailed view of the structure of the lifting platform in the embodiment;
FIG. 11 is a detailed view of the boom assembly unit structure in an embodiment;
FIG. 12 is a detailed view of the balance arm assembly in an embodiment;
FIG. 13 is a detailed view of an alternative configuration in an embodiment;
FIG. 14 is a detailed view of the boom balancing subunit construction in an embodiment;
FIG. 15 is a detailed view of the vertical buried screed balancing subunit construction in an embodiment;
FIG. 16 is a schematic diagram of the operation of a vertically buried screed balancing subunit in an embodiment;
FIG. 17 is a view showing a low water level ship unloading operation of the buried scraper ship unloader in the embodiment;
FIG. 18 is a high water level out-of-stock operation diagram of the buried scraper ship unloader in the embodiment;
FIG. 19 is a view showing the combined operation of the ship unloader with the buried scraper in the embodiment;
FIG. 20 is a schematic view of a conventional buried scraper ship unloader;
the reference numerals in the figures indicate: vertical burying blade unit 1, swing link hinge point 101, vertical burying blade swing hinge point 102, material head 103, material discharging groove 104, swing link assembly 2, blade link 201, front swing link upper hinge point 202, rear swing link upper hinge point 203, front swing link 204, front swing link lower hinge point 205, middle link 206, rear swing link 207, rear swing link lower hinge point 208, rear link 209, boom assembly unit 3, boom main body 301, pitch link 302, pitch link lower hinge point 303, pitch stay 304, boom burying blade device 4, lift lower pulley 5, lift upper pulley 6, motor drum assembly 7, center cylinder 8, lift rail 801, lift wire rope 9, boom pitch link 10, boom pitch cylinder 11, balance boom assembly 12, pitch cylinder upper hinge point 1201, pitch link upper hinge point 1202, swing cylinder lower hinge point 1203 a counterweight bracket lower hinge point 1204, a counterweight bracket structural member 1205, a second pitching brace 1206, a second pitching pull rod 1207, a vertical buried scraper swing cylinder 13, an adjustable counterweight structure 14, a counterweight 1401, a counterweight bracket upper hinge point 1402, a counterweight bracket 1403, a lift-swing unit 15, a cab platform 1501, a boom hinge point 1502, an upper roller 1503, a pitching cylinder lower hinge point 1504, a counterweight bracket hinge point 1505, a lift platform 1506, a lower roller 1507, a swing feeding device 16, a portal scraper device 17, a discharge chute 18, a wharf belt conveyor 19, a telescopic chute 20, a storage chute 21, a portal assembly unit 22, a screw feeding device 23, a screw feeding driving motor 2301, a screw feeding transmission shaft 2302, a cab 24, a swing bearing 25, a cart running device 26, an electrical room 27, and a swing mechanism 28.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present utility model, and a detailed implementation manner and a specific operation process are provided, but the protection scope of the present utility model is not limited to the following embodiments.
Examples
A post lift, boom pitch embedded blade ship unloader system, the system comprising: a vertical buried scraper unit 1 for extracting a material to a target position; the arm support assembly unit 3 is used for receiving the conveyed materials of the vertical buried scraper unit 1 and providing support; a lifting-turning unit 15 for controlling the lifting of the boom assembly unit 3; the rotation-balance unit is used for controlling the rotation and balance of the arm support assembly unit 3 and/or the vertical buried scraper unit 1; the material conveying unit is used for conveying the extracted materials to the material collecting unit; a gantry assembly unit 22 for carrying the lift-swing unit 15;
the vertical buried scraper unit 1 is hinged to the head of the arm support assembly unit 3; one end of the arm support assembly unit 3, which is far away from the vertical buried scraper unit 1, is hinged with the lifting-rotating unit 15; one end of the rotation-balance unit is hinged with one end, far away from the arm support assembly unit 3, of the lifting-rotation unit 15, and the other end of the rotation-balance unit is connected with the arm support assembly unit 3 or the vertical buried scraper unit 1 respectively; one end of the material conveying unit is connected with the vertical buried scraper unit 1, and the other end of the material conveying unit is connected with the material collecting unit; the mast assembly unit 22 is disposed below the elevation-rotation unit 15.
The material conveying unit is mostly composed of a scraper and a lifter, is in the prior art, except for an external bearing frame, the vertical buried scraper unit 1 and the arm support assembly unit 3 are internally buried with a feeding structure similar to the scraper, and the vertical buried scraper unit 1 and the feeding structure in the arm support assembly unit 3 are connected, so that continuous conveying of materials is ensured, and the vertical buried scraper unit and the arm support assembly unit 3 are all the existing mature technologies. Below the mast assembly 22 is a movable cart running gear 26.
The arm support assembly unit 3 comprises an arm support main body 301, wherein a pitching pull rod 302 and a pitching support rod 304 are arranged on the arm support main body 301; one end of a pitching pull rod 302 and one end of a pitching support rod 304 are hinged with the arm support main body 301, and the other end of the pitching pull rod is hinged with a pitching connecting rod lower hinge point 303; the rotation-balance unit comprises a boom balance subunit for controlling the rotation and balance of the boom assembly unit 3, and the boom balance subunit comprises a balance boom assembly 12 and a driving mechanism for driving the balance boom assembly 12 to move; the balance arm frame assembly 12 comprises a balance arm frame structural member 1205, and a second pitching brace 1206 and a second pitching brace 1207 arranged at two ends of the balance arm frame structural member 1205; one end of the second pitching brace 1206 and one end of the second pitching pull rod 1207 are hinged with the balance arm frame structural member 1205, and the other end of the second pitching brace is hinged with the upper hinge point 1202 of the pitching connecting rod; the lower hinge point 303 of the pitching connecting rod is connected with the upper hinge point 1202 of the pitching connecting rod through the arm support pitching connecting rod 10; the lift-swing unit 15 includes a lift platform 1506 and a power mechanism that controls the lift platform 1506 to lift; the arm frame main body 301 and the lifting platform 1506 are hinged to an arm frame hinge point 1502; the balanced boom structure 1205 and the lift platform 1506 are hinged to a balanced boom hinge 1505.
The driving mechanism comprises a boom pitching oil cylinder 11, one end of the pitching oil cylinder 11 is hinged with a lifting platform 1506 at a pitching oil cylinder lower hinge point 1504, and the other end of the pitching oil cylinder 11 is hinged with the middle part of a second pitching stay 1206 at a pitching oil cylinder upper hinge point 1201. If necessary, the upper hinge point 1201 of the pitching oil cylinder can be connected and reinforced with the balance arm frame structural member 1205 by adopting a plurality of support rods.
The rotation-balance unit further comprises a vertical buried scraper balance subunit for controlling the rotation and balance of the vertical buried scraper unit 1, and the vertical buried scraper balance subunit comprises a swing rod connecting rod assembly and a second driving mechanism for driving the swing rod connecting rod assembly to move; the second driving mechanism comprises a vertical buried scraper swing oil cylinder 13 and an adjustable weight-adjusting structure 14, the adjustable weight-adjusting structure 14 comprises a weight support 1403, a weight block 1401 is arranged on the weight support 1403, one end of the weight support 1403 is hinged with a balance arm frame structural member 1205 at a lower hinge point 1204 of the weight support, and the other end of the weight support 1403 is hinged with one side, far away from the balance arm frame structural member 1205, of the vertical buried scraper swing oil cylinder 13 at an upper hinge point 1402 of the weight support; one end of the vertical buried scraper swing cylinder 13, which is far away from the upper hinge point 1402 of the counterweight bracket, is hinged with the balance arm frame structural member 1205 at the lower hinge point 1203 of the swing cylinder; the swing rod connecting rod assembly comprises a scraper connecting rod 201, a middle connecting rod 206 and a rear connecting rod 209 which are sequentially hinged; one end of the scraper connecting rod 201 is hinged with the vertical buried scraper unit 1 at the swinging connecting rod hinge point 101, and the other end is hinged with the middle connecting rod 206 at the front swinging rod upper hinge point 202; one end of the rear connecting rod 209 is hinged with the middle connecting rod 206 at the rear swing rod upper hinge point 203, and the other end is hinged with the counterweight bracket upper hinge point 1402; the front swing rod upper hinge point 202 is hinged to the front swing rod lower hinge point 205 through a front swing rod 204 and a lifting platform 1506; the rear swing link upper hinge point 203 is hinged to the rear swing link lower hinge point 208 through the rear swing link 207 and the lifting platform 1506.
The vertical buried scraper unit 1 and the arm support assembly unit 3 are hinged to a vertical buried scraper swing hinge point 102; the distance between the swing link hinge point 101 and the vertical buried scraper swing hinge point 102, the distance between the front swing link upper hinge point 202 and the rear swing link upper hinge point 203, the distance between the rear swing link upper hinge point 203 and the rear swing link lower hinge point 208, and the distance between the counterweight bracket upper hinge point 1402 and the counterweight bracket lower hinge point 1204 are equal.
The power mechanism comprises a central cylinder 8 and a steel wire rope pulley assembly, and the steel wire rope pulley assembly comprises a lifting lower pulley 5, a lifting upper pulley 6 and a lifting steel wire rope 9; the top of the central cylinder 8 is provided with a motor winding drum assembly 7 for controlling the movement of the lifting steel wire rope 9; the lifting platform 1506 is sleeved outside the central cylinder 8; the lifting lower pulley 5 is fixed on the lifting platform 1506, the lifting upper pulley 6 is fixed on the top of the central cylinder 8 and below the motor drum assembly 7, and the lifting steel wire rope 9 is sleeved between the lifting lower pulley 5 and the lifting upper pulley 6.
The outer side of the central cylinder 8 is paved with lifting rails 801, and an upper roller 1503 and a lower roller 1507 which are matched with the lifting rails 801 in number are arranged on the lifting platform 1506; the upper roller 1503 and the lower roller 1507 are abutted against the lifting rail 801; a cab platform 1501 is also mounted on the lift platform 1506.
The material conveying unit comprises an arm support embedded scraper device 4, a telescopic chute 20, a storage chute 21, a rotary feeding device 16, a portal scraper device 17, a discharging chute 18 and a wharf belt conveyor 19 which are connected in sequence; the arm support embedded scraper device 4 is connected with the vertical embedded scraper unit 1, and the wharf belt conveyor 19 is connected with the material collecting unit; the material storage chute 21 is fixedly connected with the lower part of the central cylinder 8; the upper part of the telescopic chute 20 is fixed on the lifting platform 1506, and the lower part of the telescopic chute 20 is connected with the material storage chute 21; the rotary feeding device 16 and the gantry scraping device 17 are mounted on the gantry assembly unit 22. The center cylinder 8 is connected to the gantry assembly unit 22 through a swivel bearing 25, and the lift-swivel unit 15 further includes a swivel mechanism 28 for driving the center cylinder 8 to rotate.
A material taking head 103 is arranged below the vertical buried scraper unit 1, screw feeding devices 23 are arranged on two sides of the material taking head 103, a screw feeding driving motor 2301 and a screw feeding transmission shaft 2302 are further arranged on the screw feeding devices 23, the screw feeding driving motor 2301 is arranged above the material taking head 103 and far away from a material pile in a warehouse, and the screw feeding devices 23 are driven by the screw feeding transmission shaft 2302; the vertical burying scraper unit 1 is also provided with a discharge chute 104.
Working principle:
as shown in fig. 1-2, the boom assembly unit 3 is located on the lift-swing unit 15, and the vertical embedded scraper unit 1 is located at the head of the boom assembly unit 3. When the motor drum assembly 7 works, the lifting-rotating unit 15 moves up and down, and the height of the arm support assembly unit 3 relative to the stacking head surface can be adjusted, so that the material taking head 103 below the vertical buried scraper unit 1 can take materials in the cabin. The embedded scraper ship unloader solves the key problem that the height of a material taking operation surface cannot be adjusted greatly by the existing machine type.
As shown in fig. 3-4, the motor drum assembly 7 is on top of the central cylinder 8 to control the movement of the lift wire 9. The lifting lower pulley 5 is fixed on the lifting platform 1506, and the lifting platform 1506 is sleeved outside the central cylinder 8. The lifting upper pulley 6 is fixed on the top of the central cylinder 8 and below the motor drum assembly 7. The lifting lower pulley 5, the lifting upper pulley 6 and the lifting steel wire rope 9 form a steel wire rope pulley assembly. When the motor drum assembly 7 tightens the lifting wire rope 9, the lifting platform 1506 moves up the central cylinder 8; as the motor spool assembly 7 pays out the lift cable 9, the lift platform 1506 moves downward.
As shown in fig. 7-9, 4 lifting rails 801 are laid around the outer side of the central cylinder 8. The lifting platform 1506 is provided with an upper roller 1503 and a lower roller 1507, each of which is 4 sets. The roller rolls on the lifting track 801 to walk, so that the accuracy and convenience of the lifting platform 1506 moving up and down along the central cylinder 8 under the traction of the lifting steel wire rope 9 can be ensured. According to the actual condition of the ship unloader, the number of the rails and the corresponding rollers can be adjusted.
As shown in fig. 3-4, when the lifting platform 1506 moves up and down along the central cylinder 8, all components directly or indirectly connected to the lifting-turning unit 15, including the vertical embedded scraper unit 1, the boom embedded scraper device 4, the boom assembly unit 3, the balance boom assembly 12, etc. can be lifted. The telescopic chute 20 is fixed on the lifting platform 1506 at the upper part, the lower part is connected with the storage chute 21, and the storage chute 21 is fixed below the central cylinder 8, so that the height of the telescopic chute 20 is changed along with the up-and-down movement of the lifting platform 1506.
As shown in fig. 7-9, the central cylinder 8 is connected to the gantry assembly unit 22 by a slew bearing 25. When the turning mechanism 28 is driven, the center cylinder 8 can rotate around the center of the turning bearing 25, thereby driving the lifting-turning unit 15 to turn. Thus, as shown in fig. 3-4, all associated components on the lift-swing unit 15, including the vertical embedded screed unit 1, the boom embedded screed device 4, the boom assembly unit 3, the balanced boom assembly 12, etc., may swing; the material storage chute 21 is fixedly connected with the lower part of the central cylinder 8 and can rotate along with the central cylinder 8; the telescopic chute 20 is fixed on the lifting platform 1506 at the upper part and connected with the storage chute 21 at the lower part, so that the telescopic chute can also rotate. The rotary feeding device 16 and the gantry scraping device 17 mounted on the gantry assembly unit 22 are not rotatable.
As shown in fig. 3-4, the vertical embedded scraper unit 1 lifts and transfers the materials extracted from the cabin to the cantilever embedded scraper device 4, blanking materials are fed to the portal scraper device 17 through the rotary feeding device 16 by the telescopic chute 20 and the storage chute 21, and the discharging chute 18 discharges the materials to the wharf belt conveyor 19. The telescoping chute 20 can follow the lifting motion of the lifting platform 1506. The material storage chute 21 can reduce the material flow rate and the material breakage rate. In the process, the materials are closed and continuously conveyed, and the ship unloading device has the advantages of no dust leakage, low energy consumption and stable ship unloading efficiency.
As shown in fig. 5 to 6, below the vertical buried scraper unit 1, screw feeders 23 are installed on both sides of the vertical buried scraper extracting head 103. When the vertical buried scraper unit 1 works, the screw heads of the screw feeding device 23 rotate in pairs, so that materials in a warehouse can be stirred, hardening can be broken to improve the flowability of the materials, and enough materials are conveyed for the vertical buried scraper material taking head 103 to ensure the improvement of the productivity of the vertical buried scraper unit 1. The screw feeding driving motor 2301 is arranged above the vertical buried scraper material taking head 103 and far away from a material pile in a warehouse, and the screw feeding device 23 is driven by the screw feeding driving shaft 2302, so that explosion-proof protection can be provided for the screw feeding driving motor 2301, and the safety of ship unloading operation is ensured.
As shown in fig. 11, the boom structure 301 is supported on the lift platform 1506 by a boom hinge point 1502. The vertical buried scraper unit 1 is mounted to the head of the boom structure 301 through a vertical buried scraper swing hinge 102. The pitching pull rod 302 and the pitching support rod 304 are hinged with the arm support structure 301 respectively to form a stable triangle system so as to improve the stress of the arm support structure 301; and provides a pitch link lower hinge point 303 for boom pitch link 10.
As shown in fig. 12, the balanced boom structure 1205 is supported on the lift platform 1506 by a balanced boom hinge point 1505. The upper pivot 1202 of the pitch link connects to the boom pitch link 10 and provides an upper pivot 1201 of the pitch cylinder for the boom pitch cylinder 11. The counterweight 1401 is mounted on a counterweight support 1403, and the lower part of the counterweight support 1403 is connected with a counterweight arm support structure 1205 through a counterweight support lower hinge point 1204. The vertical buried squeegee swing cylinder 13 is supported between the counterweight bracket upper hinge points 1402 and the swing cylinder lower hinge points 1203. The vertical buried scraper swing cylinder 13 stretches and contracts, and the counterweight bracket 1403 can rotate around the counterweight bracket lower hinge point 1204. The adjustable weight balancing structure 14 can balance the weight of the vertical buried scraper unit 1 positioned at the head of the arm support assembly unit 3, so that the synthetic gravity center of all lifting components following the lifting-rotating unit 15 is in the circumference of the central cylinder 8 and approaches the circle center, and the lifting-rotating unit 15 can be prevented from overturning and the working load of all lifting steel wire ropes 9 can be balanced.
As shown in fig. 14, the boom pitch cylinder 11 is supported on the lift platform 1506 through the boom pitch cylinder lower hinge point 1504, and the upper side is hinged to the pitch cylinder upper hinge point 1201. The boom pitching oil cylinder 11 stretches out and draws back, and the balance boom assembly 12 rotates around a balance boom hinge point 1505; simultaneously, the upper hinge point 1202 of the pitching connecting rod drives the pitching connecting rod 10 of the arm support to move, and the lower hinge point 303 of the pitching connecting rod drives the arm support assembly unit 3 to rotate around the hinge point 1502 of the arm support, so that the arm support assembly unit 3 realizes pitching motion. The boom pitching oil cylinder 11 is arranged behind the central cylinder 8 and can be used for weight; and the rear space is large, and the oil cylinders can be reasonably arranged to reduce the working load of the oil cylinders.
As shown in fig. 15, the vertical buried squeegee swing cylinder 13 expands and contracts to drive the rear link 209, the intermediate link 206, and the squeegee link 201 to move. During the movement, as shown in fig. 16, the front swing link 204, the rear swing link 207 and the weight bracket 1403 rotate around the front swing link lower hinge point 205, the rear swing link lower hinge point 208 and the weight bracket lower hinge point 1204, respectively. The squeegee link 201 rotates the vertical squeegee unit 1 about the vertical squeegee swing hinge point 102 to adjust the angle of the vertical squeegee unit 1 relative to the boom assembly unit 3. Because the rotation radiuses of the four parts are identical, the vertical buried scraper unit 1, the front swing link 204, the rear swing link 207 and the counterweight bracket 1403 are always kept parallel. When the vertical buried scraper extracting head 103 swings to the sea side, the counterweight 1401 moves to the land side; when the pick-up head 103 swings to the land side, the weight 1401 moves to the sea side. The position of the counterweight 1401 can be automatically adjusted along with the swing angle of the vertical buried scraper unit 1 so as to reduce the displacement variation of the synthetic gravity center, so that the adjustable counterweight structure 14 has self-adaptive characteristics.
Scene one: as shown in fig. 17, when the dock is at a low water level, the lifting platform 1506 is lowered, the arm support assembly unit 3 is lowered, so that the vertical buried scraper extracting head 103 approaches the working surface, the vertical buried scraper unit 1 swings back and forth, and the vertical buried scraper extracting head 103 covers all working points in the cabin in combination with the rotation of the arm support assembly unit 3, so as to complete the ship unloading operation.
Scene II: as shown in fig. 18, when the ship unloading operation is completed, the lifting platform 1506 is lifted and the arm frame assembly unit 3 is lifted up, so that the vertical buried scraper extracting head 103 is higher than the cabin, and the ship can travel away from the dock.
Scene III: as shown in fig. 19, the cart running device 26 can adjust the position of the ship unloader on the dock so that the vertical buried scraper unit 1 works on the specified cabin. The cooperative operation of a plurality of ship unloaders can be realized by matching with the rotation of the arm support assembly unit 3, so that the whole ship operation efficiency is improved.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims (10)
1. The utility model provides a post type lift, buried scraper ship unloader system of cantilever crane every single move, its characterized in that, this system includes:
a vertical buried scraper unit (1) for extracting a material to a target position;
the arm support assembly unit (3) is used for receiving the conveyed materials of the vertical buried scraper unit (1) and providing support;
the lifting-rotating unit (15) is used for controlling the lifting of the arm support assembly unit (3);
the rotation-balance unit is used for controlling the rotation and balance of the arm support assembly unit (3) and/or the vertical buried scraper unit (1);
the material conveying unit is used for conveying the extracted materials to the material collecting unit;
a mast assembly unit (22) for carrying the lift-swing unit (15);
the vertical buried scraper unit (1) is hinged to the head of the arm support assembly unit (3); one end of the arm support assembly unit (3) far away from the vertical buried scraper unit (1) is hinged with the lifting-rotating unit (15); one end of the rotation-balance unit is hinged with one end, far away from the arm support assembly unit (3), of the lifting-rotation unit (15), and the other end of the rotation-balance unit is connected with the arm support assembly unit (3) or the vertical buried scraper unit (1) respectively; one end of the material conveying unit is connected with the vertical buried scraper unit (1), and the other end of the material conveying unit is connected with the material collecting unit; the gantry assembly unit (22) is disposed below the lift-swing unit (15).
2. The embedded scraper ship unloader system with column type lifting and boom pitching according to claim 1, wherein the boom assembly unit (3) comprises a boom main body (301), and a pitching pull rod (302) and a pitching support rod (304) are arranged on the boom main body (301);
one end of the pitching pull rod (302) and one end of the pitching support rod (304) are hinged with the arm support main body (301), and the other end of the pitching pull rod is hinged with a lower hinge point (303) of the pitching connecting rod;
the rotation-balance unit comprises a boom balance subunit for controlling rotation and balance of the boom assembly unit (3), and the boom balance subunit comprises a balance boom assembly (12) and a driving mechanism for driving the balance boom assembly (12) to move;
the balance arm support assembly (12) comprises a balance arm support structural member (1205), and a second pitching brace (1206) and a second pitching brace (1207) which are arranged at two ends of the balance arm support structural member (1205);
one end of the second pitching supporting rod (1206) and one end of the second pitching pulling rod (1207) are hinged with the balance arm frame structural member (1205), and the other end of the second pitching pulling rod is hinged with a hinge point (1202) on the pitching connecting rod; the lower hinge point (303) of the pitching connecting rod is connected with the upper hinge point (1202) of the pitching connecting rod through the arm support pitching connecting rod (10);
the lifting-rotating unit (15) comprises a lifting platform (1506) and a power mechanism for controlling the lifting platform (1506) to lift; the arm support main body (301) and the lifting platform (1506) are hinged to an arm support hinge point (1502); the balance arm frame structural member (1205) and the lifting platform (1506) are hinged to a balance arm frame hinge point (1505).
3. The embedded scraper ship unloader system with column type lifting and boom pitching according to claim 2, wherein the driving mechanism comprises a boom pitching oil cylinder (11), one end of the pitching oil cylinder (11) is hinged with a lifting platform (1506) at a lower hinge point (1504) of the pitching oil cylinder, and the other end of the pitching oil cylinder is hinged with the middle part of a second pitching stay (1206) at an upper hinge point (1201) of the pitching oil cylinder.
4. The column lifting and boom pitching embedded scraper ship unloader system according to claim 2, wherein the rotation-balance unit further comprises a vertical embedded scraper balance subunit for controlling rotation and balance of the vertical embedded scraper unit (1), and the vertical embedded scraper balance subunit comprises a swing link assembly (2) and a second driving mechanism for moving the swing link assembly (2);
the second driving mechanism comprises a vertical buried scraper swing oil cylinder (13) and an adjustable weight-mixing structure (14), the adjustable weight-mixing structure (14) comprises a weight support (1403), a weight block (1401) is arranged on the weight support (1403), one end of the weight support (1403) is hinged with a balance arm frame structural member (1205) at a lower hinge point (1204) of the weight support, and the other end of the weight support is hinged with one side, far away from the balance arm frame structural member (1205), of the vertical buried scraper swing oil cylinder (13) at an upper hinge point (1402) of the weight support; one end of the vertical buried scraper swing oil cylinder (13) far away from the upper hinge point (1402) of the counterweight bracket is hinged with the balance arm frame structural member (1205) to be hinged with the lower hinge point (1203) of the swing oil cylinder;
the swing rod connecting rod assembly (2) comprises a scraping plate connecting rod (201), a middle connecting rod (206) and a rear connecting rod (209) which are sequentially hinged; one end of the scraper connecting rod (201) is hinged with the vertical buried scraper unit (1) at a swinging connecting rod hinge point (101), and the other end of the scraper connecting rod is hinged with the middle connecting rod (206) at a front swinging rod upper hinge point (202); one end of the rear connecting rod (209) is hinged with the middle connecting rod (206) at the upper hinge point (203) of the rear swing rod, and the other end is hinged with the upper hinge point (1402) of the counterweight bracket;
the front swing rod upper hinge point (202) is hinged to the front swing rod lower hinge point (205) through the front swing rod (204) and the lifting platform (1506); the rear swing rod upper hinge point (203) is hinged to the rear swing rod lower hinge point (208) through the rear swing rod (207) and the lifting platform (1506).
5. The embedded scraper ship unloader system with column type lifting and boom pitching according to claim 4, wherein the vertical embedded scraper unit (1) and the boom assembly unit (3) are hinged to a vertical embedded scraper swing hinge point (102); the distance between the swinging connecting rod hinge point (101) and the vertical buried scraper swinging hinge point (102), the distance between the front swing rod upper hinge point (202) and the rear swing rod upper hinge point (203), the distance between the rear swing rod upper hinge point (203) and the rear swing rod lower hinge point (208) and the distance between the counterweight bracket upper hinge point (1402) and the counterweight bracket lower hinge point (1204) are equal.
6. The embedded scraper ship unloader system with the column type lifting and boom pitching according to claim 2, wherein the power mechanism comprises a central column (8) and a steel wire rope pulley assembly, and the steel wire rope pulley assembly comprises a lifting lower pulley (5), a lifting upper pulley (6) and a lifting steel wire rope (9);
the top of the central cylinder (8) is provided with a motor winding drum component (7) for controlling the movement of the lifting steel wire rope (9); the lifting platform (1506) is sleeved outside the central cylinder (8); the lifting lower pulley (5) is fixed on the lifting platform (1506), the lifting upper pulley (6) is fixed at the top of the central cylinder (8) and below the motor winding drum assembly (7), and the lifting steel wire rope (9) is sleeved between the lifting lower pulley (5) and the lifting upper pulley (6).
7. The embedded scraper ship unloader system with column type lifting and boom pitching according to claim 6, wherein lifting tracks (801) are paved outside the central column (8), and upper rollers (1503) and lower rollers (1507) which are matched with the lifting tracks (801) in number are installed on the lifting platform (1506); the upper roller (1503) and the lower roller (1507) are abutted with the lifting track (801); the lifting platform (1506) is also provided with a cab platform (1501).
8. The embedded scraper ship unloader system with column type lifting and boom pitching according to claim 6, wherein the material conveying unit comprises a boom embedded scraper device (4), a telescopic chute (20), a storage chute (21), a rotary feeding device (16), a portal scraper device (17), a discharging chute (18) and a wharf belt conveyor (19) which are connected in sequence; the arm support embedded scraper device (4) is connected with the vertical embedded scraper unit (1), and the wharf belt conveyor (19) is connected with the material collecting unit;
the material storage chute (21) is fixedly connected with the lower part of the central cylinder (8); the upper part of the telescopic chute (20) is fixed on the lifting platform (1506), and the lower part of the telescopic chute (20) is connected with the material storage chute (21); the rotary feeding device (16) and the portal scraping plate device (17) are arranged on the portal assembly unit (22).
9. The embedded scraper ship unloader system with column lifting and boom pitching according to claim 6, wherein the central cylinder (8) is connected with the boom assembly unit (22) through a swivel bearing (25), and the lifting and swivel unit (15) further comprises a swivel mechanism (28) for driving the central cylinder (8) to rotate.
10. The embedded scraper ship unloader system with column type lifting and boom pitching according to claim 1, wherein a material taking head (103) is arranged below the vertical embedded scraper unit (1), screw feeding devices (23) are arranged on two sides of the material taking head (103), a screw feeding driving motor (2301) and a screw feeding transmission shaft (2302) are further arranged on the screw feeding devices (23), the screw feeding driving motor (2301) is arranged above the material taking head (103) and far away from a material pile in a warehouse, and the screw feeding devices (23) are driven through the screw feeding transmission shaft (2302); the vertical buried scraper unit (1) is also provided with a discharge chute (104).
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CN202320788654.XU CN219566903U (en) | 2023-04-11 | 2023-04-11 | Embedded scraper ship unloader system with column type lifting and arm support pitching |
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CN202320788654.XU CN219566903U (en) | 2023-04-11 | 2023-04-11 | Embedded scraper ship unloader system with column type lifting and arm support pitching |
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