CN212494643U

CN212494643U - Heavy-duty automobile beam correcting unit

Info

Publication number: CN212494643U
Application number: CN202020584853.5U
Authority: CN
Inventors: 董小明; 董雨; 董优
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-02-09
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a heavy automobile girder correcting device, which comprises a platform plate, a bracket mechanism, a side correcting mechanism, a top correcting mechanism, an oil supply mechanism and a control system, wherein the side correcting mechanism comprises a first oil cylinder and a first oil cylinder fixing plate; the top correcting mechanism comprises a second oil cylinder and a second oil cylinder fixing plate, first sliding mechanisms are arranged at two ends of the second oil cylinder fixing plate and arranged on the upper portion of the support mechanism, and the first sliding mechanisms are electrically connected with the control system. The device has convenient operation, and workman low in labor strength just corrects efficient advantage.

Description

Heavy-duty automobile beam correcting unit

Technical Field

The utility model belongs to the technical field of calibrating device, concretely relates to heavy automobile girder calibrating device.

Background

In the transportation industry of China, the traditional road freight has an extremely important position all the time, particularly, the continuous expansion of expressways in various places in recent years powerfully promotes the rapid development of the heavy-duty automobile transportation industry of China, and the method has positive effects on promoting the logistics transportation industry and flourishing and enriching the market demand. The truck as important road freight transport tool has the traffic accidents of collision, side inclination and even turnover in the transport operation, and the automobile beam is a long bearing part in a flat lying device, so that the beam is most easily warped up and down and distorted left and right when the vehicle has side inclination collision impact. At present, a mechanism of a correcting device of an automobile beam is fixed and cannot be moved, the automobile beam needs to be disassembled from a frame in a correcting process, after a certain part on the beam is corrected, the position of the beam needs to be moved, and other parts on the beam are further corrected, and the correcting mode is troublesome in moving operation, high in labor intensity of workers, labor-consuming, time-consuming and low in efficiency.

SUMMERY OF THE UTILITY MODEL

To the above, the utility model provides a heavy automobile girder correcting unit, the device can effectively solve the dismantlement troublesome poeration that current device exists, and workman intensity of labour is big and the lower problem of correction efficiency.

In order to achieve the above object, the present invention provides a technical solution for solving the technical problem:

a heavy-duty car girder correcting unit comprises a platform plate, a support mechanism, a side correcting mechanism, a top correcting mechanism, an oil supply mechanism and a control system, wherein the platform plate is placed on the ground, the support mechanism is movably connected with the platform plate, and the side correcting mechanism and the top correcting mechanism are both movably connected with the support mechanism; the oil supply mechanism and the control system are fixedly connected with the support mechanism, the oil supply mechanism is connected with the side correcting mechanism and the top correcting mechanism through pipelines, and the side correcting mechanism, the top correcting mechanism and the support mechanism are electrically connected with the control system;

the lateral correcting mechanism comprises a first oil cylinder and a first oil cylinder fixing plate, two ends of the first oil cylinder fixing plate are movably connected with rotating shafts, free ends of the rotating shafts are fixedly connected with sliding blocks, the sliding blocks are movably connected with the support mechanism, the upper portion of each sliding block is provided with a height adjusting mechanism, and the height adjusting mechanisms are electrically connected with the control system;

the top correcting mechanism comprises a second oil cylinder and a second oil cylinder fixing plate, first sliding mechanisms are arranged at two ends of the second oil cylinder fixing plate and arranged on the upper portion of the support mechanism, and the first sliding mechanisms are electrically connected with the control system.

The beneficial effects produced by adopting the scheme are as follows: the platform plate is used for placing a heavy automobile, and when the platform plate is used, the automobile can be directly driven onto the platform plate according to requirements, so that the convenience of operation is improved; the side correcting mechanism and the top correcting mechanism are both suitable for correcting the automobile beam, the side correcting mechanism comprises a first oil cylinder and a first oil cylinder fixing plate, the first oil cylinder fixing plate is fixedly connected with the first oil cylinder through connecting pieces such as bolts, rotating shafts are arranged at two ends of the first oil cylinder fixing plate, the rotating shafts are connected with the first oil cylinder fixing plate through bearings, the first oil cylinder fixing plate can rotate through the rotating shafts, the position and the angle of a telescopic rod of the first oil cylinder are changed, the adjustment can be conveniently carried out according to the deformation degree of the automobile beam, the operation convenience is improved, the sliding block can be driven by the height adjusting mechanism and can move up and down on the supporting mechanism, the purpose of changing the height of the first oil cylinder is achieved, the convenience of the correcting process is further improved, the angle and the height of the first oil cylinder can be changed simultaneously by the.

The top correcting mechanism comprises a second oil cylinder and a second oil cylinder fixing plate, the second oil cylinder is fixedly connected with the second oil cylinder fixing plate through bolts and the like, the first sliding mechanism can drive the second oil cylinder fixing plate to travel on the support mechanism, the position of the second oil cylinder is changed, different positions of the automobile beam are corrected through the second oil cylinder, and the correcting operation efficiency is improved; the first oil cylinder and the second oil cylinder are supplied with oil through the oil supply device to guarantee normal work of the oil cylinders, the height adjusting device and the first sliding device are electrically connected with the control system, the control system comprises an electric appliance cabinet and a remote controller wirelessly connected with the electric appliance cabinet, and in the using process of the device, an operator only needs to control the height adjusting device and the first sliding device through the controller to work.

Further, the support mechanism comprises support columns and a rectangular frame, the support columns are arranged at four corners of the rectangular frame and fixedly connected with the rectangular frame, and the lower portions of the support columns are fixedly connected with second sliding mechanisms.

The beneficial effects produced by adopting the scheme are as follows: support column and rectangular frame welded fastening, slide the mechanism through the second, make gimbal mechanism walk on the landing plate fast, realize the purpose of adjusting whole gimbal mechanism position, further improve the convenience of alignment process, in the prior art, generally finish the back to certain position correction of girder, need remove the girder, but by automobile girder heavier, it is inconvenient to remove, remove the in-process of girder, just wasted a large amount of time and manpower, and adopt the device, need not to remove the girder, only need adjust the position of support device at the landing plate, alright rectify all the other positions on the girder.

Further, the second sliding mechanism comprises a first motor and a fixed shell, the first motor and the fixed shell are fixedly connected with the support column, a first pulley is movably connected in the fixed shell, a first sliding rail is arranged on the platform plate, the first pulley is arranged on the first sliding rail, a first gear is fixedly connected to the first pulley, a second gear is fixedly connected to an output shaft of the first motor, the first gear is meshed with the second gear, and the first motor is electrically connected with the control system.

The beneficial effects produced by adopting the scheme are as follows: first motor and set casing pass through bolt etc. and support column fixed connection, first pulley and set casing swing joint, first pulley is rotating for the set casing, first gear and first pulley welding are as an organic whole, the output shaft welding of second gear and first motor is as an organic whole, first gear meshes with the second gear mutually, drive second gear through the motor and rotate, and then drive first gear and rotate, it removes on first slide rail to drive first pulley through first gear drive, realize the purpose of driving the walking of gimbal mechanism, in order to improve the stability of the walking of gimbal mechanism, all be provided with first motor and first pulley isotructure on four support columns, establish ties between four first motors, rotate simultaneously after the power supply, improve the synchronism of operation, and then improve the stability of gimbal mechanism operation.

Further, support column lower part fixedly connected with slide, the landing slab both sides are provided with first spout, and the slide sets up in first spout.

The beneficial effects produced by adopting the scheme are as follows: slide and support column welding are as an organic whole, because the whole weight of gimbal mechanism is great, if support near first pulley, can add the wearing and tearing of first pulley, improve the spoilage of first pulley, so, through being provided with the slide, set up the slide in first spout, support the slide through first spout, and then realize the support to gimbal mechanism, reduced the weight that first pulley bore greatly, improved the life of first pulley.

Furthermore, a second sliding groove is formed in the side of the supporting column, and the sliding block is arranged in the second sliding groove.

The beneficial effects produced by adopting the scheme are as follows: the slider can reciprocate in the second spout under high adjustment mechanism's drive, through the second spout, prescribes a limit to the removal orbit of slider, and then improves the stability that the second cylinder reciprocated.

Further, height adjusting mechanism includes the second motor, tie-beam and the rope body, and the second motor sets up in gimbal mechanism upper portion, and the output shaft fixedly connected with winding pole of second motor, the free end swing joint of winding pole have a supporting seat, the both ends of tie-beam respectively with slider fixed connection, the tie-beam middle part is provided with the runner, on the runner was located to the rope body cover, the free end and the winding pole fixed connection of the rope body, second motor and control system electric connection.

The beneficial effects produced by adopting the scheme are as follows: the second motor passes through bolt fixed connection with the rectangle frame, the winding pole is as an organic whole with the output shaft welding of second motor, the winding pole passes through the bearing with the supporting seat and is connected, runner and tie-beam swing joint, during the use, drive the winding pole through the second motor and rotate, the winding pole rotates the in-process, make the rope body take place to twine on the winding pole, the length of the rope body has been shortened, and then realized driving the purpose that slider and first hydro-cylinder reciprocated, the convenience of operation has been improved greatly.

Further, the first sliding mechanism comprises a third motor, the third motor is fixedly connected with a second oil cylinder fixing plate, the bottom of the second oil cylinder fixing plate is movably connected with a second pulley, a second sliding rail is fixedly connected onto the support mechanism, the second pulley is arranged on the second sliding rail, a third gear is fixedly connected onto an output shaft of the third motor, a fourth gear is fixedly connected onto the second pulley, the third gear is meshed with the fourth gear, and the third motor is electrically connected with the control system.

The beneficial effects produced by adopting the scheme are as follows: the third motor is fixedly connected with the oil cylinder fixing plate through bolts and the like, the third gear is fixedly welded with an output shaft of the third motor, the fourth gear is welded with the second pulley into a whole, the third motor rotates to drive the third gear to rotate, the third gear drives the fourth gear to rotate, the fourth gear is fixedly welded with the second pulley and further drives the second pulley to move on the second slide rail, the purpose of driving the second oil cylinder to move is achieved, in order to improve the stability of the second oil cylinder to move, the third motors are arranged at two ends of the oil cylinder fixing plate II, the third motors are connected in series, and the purpose of synchronous work is achieved.

Furthermore, the platform plate comprises a grid plate and a latticed bearing beam, the grid plate is arranged in a square grid formed between the bearing beams, and the grid plate is fixedly connected with the bearing beams.

The beneficial effects produced by adopting the scheme are as follows: the spandrel girder is with the weight that bears car or automotive frame, and the grid board is used for binding the rope body, fixes automotive frame through the rope body, improves a large amount of stability of the in-process car of correction, and then improves the correction effect.

Further, the landing slab is provided with a plurality of, and landing slab one end is provided with the ramp plate that the cross-section is triangle-shaped.

The beneficial effects produced by adopting the scheme are as follows: the length of the platform plate is determined according to the length of the automobile, so that the device can be used for correcting automobile girders with different sizes, and the practicability of the device is improved; the society only has a slope plate, so that the automobile can be conveniently driven to the platform plate, and the convenience of operation is improved; the device's landing slab is placed on subaerial for the level, can move landing slab and other mechanisms to other positions as required, improves the convenience of using.

Further, the oil supply mechanism comprises an oil tank and a hydraulic oil pump, the hydraulic oil pump is communicated with the oil tank, and the hydraulic oil pump is electrically connected with the control system.

The beneficial effects produced by adopting the scheme are as follows: the oil tank is used for containing oil, and the hydraulic oil pump is used for pumping the oil in the oil tank into the first oil cylinder and the second oil cylinder so as to ensure the smooth work of the first oil cylinder and the second oil cylinder; the first oil cylinder, the second oil cylinder, the first motor, the second motor and the third motor are electrically connected with an electric appliance cabinet in the control system, and are controlled by a controller of the control system, so that the convenience of operation in the correction process is greatly improved.

To sum up, the utility model has the advantages of it is following:

1. the platform plate and other structures in the device are flexible, and the placement positions can be changed as required so as to meet the correction requirements under different conditions.

2. Be provided with side aligning gear and top aligning gear in the device, side aligning gear includes first hydro-cylinder, and top aligning gear includes the second hydro-cylinder, extrudees the automobile beam through the telescopic link of first hydro-cylinder and second hydro-cylinder, and then realizes the purpose that the girder was rectified, and the device can extrude the girder simultaneously from a plurality of directions, improves the efficiency of extrusion operation, and then improves the efficiency of rectifying.

3. The side correcting mechanism comprises a sliding block, a rotating shaft and a height adjusting mechanism, and can change the rod outlet angle of the telescopic rod of the first oil cylinder and the position height of the first oil cylinder, so that the aim of correcting different positions is fulfilled; the top correcting mechanism comprises an oil cylinder fixing plate II and a second oil cylinder, a first sliding mechanism is arranged on the oil cylinder fixing plate II, the second oil cylinder is driven to move left and right through the first sliding mechanism, the purpose of adjusting the position of the rod of the second oil cylinder is achieved, through the device, under the condition that the position of the support mechanism and the position of the automobile beam are not changed, multi-point correction is carried out on the beam, and the correcting effect and the convenience of operation are improved.

4. The lower part of the supporting column is provided with a second sliding mechanism, the second sliding mechanism can change the position of the support mechanism on the platform plate, the position of the correcting mechanism is changed under the condition that the position of the automobile beam is not changed, and a plurality of points on an automobile are further corrected, so that the correcting effect is improved.

Drawings

FIG. 1 is a schematic front view of the device;

FIG. 2 is a schematic view of the structure of part A;

FIG. 3 is a schematic side view of the device;

FIG. 4 is a schematic cross-sectional view of C-C;

FIG. 5 is a schematic top view of the apparatus;

FIG. 6 is a schematic view of the structure of the part B;

FIG. 7 is a schematic top view of a platen;

wherein, 1, a platform plate; 2. a first cylinder; 3. a first oil cylinder fixing plate; 4. a rotating shaft; 5. a slider; 6. A second cylinder; 7. a second oil cylinder fixing plate; 8. a support pillar; 9. a rectangular frame; 10. a first motor; 11. a stationary case; 12. a first pulley; 13. a first slide rail; 14. a first gear; 15. a second gear; 16. a slide plate; 17. a first chute; 18. a second chute; 19. a second motor; 20. a connecting beam; 21. a rope body; 22. A winding rod; 23. a supporting seat; 24. a rotating wheel; 25. a third motor; 26. a third gear; 27. a fourth gear; 28. a second pulley; 29. a second slide rail; 30. a grid plate; 31. a spandrel girder; 32. a ramp plate; 33. an oil tank; 34. a hydraulic oil pump; 35. an electric appliance cabinet; .

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

In one embodiment of the present invention, as shown in fig. 1-7, a heavy vehicle girder calibrating device is provided, including a platform plate 1, a support mechanism, a side calibrating mechanism, a top calibrating mechanism, an oil supply mechanism and a control system, the platform plate 1 is placed on the ground, optimally, the platform plate 1 includes a grid plate 30 and a grid-shaped bearing beam 31, the grid plate 30 is disposed in a square formed between the bearing beams 31, and the grid plate 30 is fixedly connected with the bearing beams 31. Optimally, the platform board 1 is provided with a plurality of blocks, and one end of the platform board 1 is provided with a slope board 32 with a triangular section.

Gimbal mechanism and 1 swing joint of landing slab, optimally, gimbal mechanism includes support column 8 and rectangle frame 9, and support column 8 sets up in the four corners of rectangle frame 9 and with rectangle frame 9 fixed connection, optimally, 8 lower part fixedly connected with slides 16 of support column, and 1 both sides of landing slab are provided with first spout 17, and slides 16 set up in first spout 17.

The lower parts of the support columns 8 are fixedly connected with second sliding mechanisms. Optimally, the second sliding mechanism comprises a first motor 10 and a fixed shell 11, the first motor 10 and the fixed shell 11 are fixedly connected with a support column 8, a first pulley 12 is movably connected in the fixed shell 11, a first sliding rail 13 is arranged on the platform plate 1, the first pulley 12 is arranged on the first sliding rail 13, a first gear 14 is fixedly connected on the first pulley 12, a second gear 15 is fixedly connected on an output shaft of the first motor 10, the first gear 14 is meshed with the second gear 15, and the first motor 10 is electrically connected with the control system.

The side correcting mechanism and the top correcting mechanism are movably connected with the bracket mechanism; the oil supply mechanism and the control system are fixedly connected with the support mechanism, the control system comprises an electric appliance cabinet 35 and a wireless remote controller, the oil supply mechanism is connected with the side correcting mechanism and the top correcting mechanism through pipelines, and the side correcting mechanism, the top correcting mechanism and the support mechanism are electrically connected with the control system; optimally, the oil supply mechanism comprises an oil tank 33 and a hydraulic oil pump 34, the hydraulic oil pump 34 is communicated with the oil tank 33, and the hydraulic oil pump 34 is electrically connected with the control system.

The side correcting mechanism comprises a first oil cylinder 2 and an oil cylinder fixing plate I3, two ends of the oil cylinder fixing plate I3 are movably connected with a rotating shaft 4, a sliding block 5 is fixedly connected with the free end of the rotating shaft 4, the sliding block 5 is movably connected with the support mechanism, optimally, a second sliding groove 18 is formed in the side of the support column 8, and the sliding block 5 is arranged in the second sliding groove 18. 5 upper portions of slider are provided with height adjusting mechanism, optimally, height adjusting mechanism includes second motor 19, tie-beam 20 and rope body 21, second motor 19 sets up in gimbal mechanism upper portion, the output shaft fixedly connected with winding pole 22 of second motor 19, the free end swing joint of winding pole 22 has supporting seat 23, the both ends of tie-beam 20 respectively with slider 5 fixed connection, tie-beam 20 middle part is provided with runner 24, the rope body 21 cover is located on runner 24, the free end and the winding pole 22 fixed connection of rope body 21, second motor and control system electric connection. The height adjusting mechanism is electrically connected with the control system;

the top correcting mechanism comprises a second oil cylinder 6 and a second oil cylinder fixing plate 7, first sliding mechanisms are arranged at two ends of the second oil cylinder fixing plate 7 and arranged on the upper portion of the support mechanism, and the first sliding mechanisms are electrically connected with the control system. Optimally, the first sliding mechanism comprises a third motor 25, the third motor 25 is fixedly connected with a second oil cylinder fixing plate 7, the bottom of the second oil cylinder fixing plate 7 is movably connected with a second pulley 28, a second sliding rail 29 is fixedly connected to the support mechanism, the second pulley 28 is arranged on the second sliding rail 29, a third gear 26 is fixedly connected to an output shaft of the third motor 25, a fourth gear 27 is fixedly connected to the second pulley 28, the third gear 26 is meshed with the fourth gear 27, and the third motor 25 is electrically connected with the control system.

The use process of the device is as follows: moving an automobile or an automobile beam to be corrected onto a platform plate 1, then controlling a first motor 10 to work through a wireless remote controller configured by a control system, moving a support mechanism above the automobile or the automobile beam, then pulling one end of a first oil cylinder 2 by an operator to enable an oil cylinder fixing plate I3 to rotate relative to a sliding block 5, and when a telescopic rod of the first oil cylinder 2 is aligned with a position point to be corrected, controlling a hydraulic oil pump 34 to supply oil to the first oil cylinder 2 through the remote controller, enabling the first oil pump 2 to work, enabling the telescopic rod of the first oil cylinder 2 to extend out, and extruding the correction position point to achieve the purpose of correction; repeating the above operations until the correction of the side is completely finished; correcting the other side according to the same operation; then, the third motor 25 is controlled to work through the remote controller, the second oil cylinder fixing plate 7 is driven to move, the second oil cylinder 6 is driven to move to a position point needing to be corrected, then the hydraulic oil pump 34 is controlled to supply oil to the second oil cylinder 6 through the controller, the telescopic rod of the second oil cylinder 6 extends out, the correction position point is extruded, and the purpose of correction is achieved;

after all the sites in the range are corrected, the first motor 10 is continuously controlled to work through the remote controller, the support mechanism is driven to move on the platform plate 1, the support mechanism is moved to the other sites of the automobile to be corrected, then, the correction operation is continuously executed according to the operation, and through the device, the correction efficiency can be greatly improved, the labor intensity of workers is reduced, the labor amount of the workers is reduced, and the correction convenience is improved.

While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.

Claims

1. A heavy automobile beam correcting device is characterized by comprising a platform plate (1), a support mechanism, a side correcting mechanism, a top correcting mechanism, an oil supply mechanism and a control system, wherein the platform plate (1) is placed on the ground, the support mechanism is movably connected with the platform plate (1), and the side correcting mechanism and the top correcting mechanism are both movably connected with the support mechanism; the oil supply mechanism and the control system are fixedly connected with the support mechanism, the oil supply mechanism is connected with the side correcting mechanism and the top correcting mechanism through pipelines, and the side correcting mechanism, the top correcting mechanism and the support mechanism are electrically connected with the control system;

the lateral correcting mechanism comprises a first oil cylinder (2) and a first oil cylinder fixing plate (3), two ends of the first oil cylinder fixing plate (3) are movably connected with a rotating shaft (4), a sliding block (5) is fixedly connected with the free end of the rotating shaft (4), the sliding block (5) is movably connected with the support mechanism, a height adjusting mechanism is arranged on the upper portion of the sliding block (5), and the height adjusting mechanism is electrically connected with the control system;

the top correcting mechanism comprises a second oil cylinder (6) and a second oil cylinder fixing plate (7), first sliding mechanisms are arranged at two ends of the second oil cylinder fixing plate (7), the first sliding mechanisms are arranged on the upper portion of the support mechanism, and the first sliding mechanisms are electrically connected with the control system.

2. A heavy vehicle girder correcting device according to claim 1, wherein the bracket mechanism comprises supporting pillars (8) and a rectangular frame (9), the supporting pillars (8) are disposed at four corners of the rectangular frame (9) and are fixedly connected with the rectangular frame (9), and the lower portions of the supporting pillars (8) are fixedly connected with second sliding mechanisms which are electrically connected with the control system.

3. A heavy vehicle girder correcting apparatus according to claim 2, wherein the second sliding mechanism comprises a first motor (10) and a fixed housing (11), the first motor (10) and the fixed housing (11) are both fixedly connected to the supporting column (8), a first pulley (12) is movably connected in the fixed housing (11), a first sliding rail (13) is disposed on the platform plate (1), the first pulley (12) is disposed on the first sliding rail (13), a first gear (14) is fixedly connected to the first pulley (12), a second gear (15) is fixedly connected to an output shaft of the first motor (10), the first gear (14) is engaged with the second gear (15), and the first motor (10) is electrically connected to the control system.

4. A heavy vehicle girder correcting apparatus according to claim 2, wherein a sliding plate (16) is fixedly connected to a lower portion of the supporting column (8), first sliding grooves (17) are formed at both sides of the deck plate (1), and the sliding plate (16) is disposed in the first sliding grooves (17).

5. A heavy vehicle girder calibrating device according to claim 4, wherein a second runner (18) is provided laterally to the supporting column (8), and the slide block (5) is provided in the second runner (18).

6. A heavy-duty automobile beam correcting device according to claim 1, wherein the height adjusting mechanism includes a second motor (19), a connecting beam (20) and a rope body (21), the second motor (19) is disposed on the upper portion of the bracket mechanism, an output shaft of the second motor (19) is fixedly connected with a winding rod (22), a free end of the winding rod (22) is movably connected with a supporting seat (23), two ends of the connecting beam (20) are respectively and fixedly connected with the sliding block (5), a rotating wheel (24) is disposed in the middle of the connecting beam (20), the rope body (21) is sleeved on the rotating wheel (24), the free end of the rope body (21) is fixedly connected with the winding rod (22), and the second motor is electrically connected with the control system.

7. A heavy vehicle girder correcting apparatus according to claim 1, wherein the first sliding mechanism includes a third motor (25), the third motor (25) is fixedly connected to the second cylinder fixing plate (7), a second pulley (28) is movably connected to the bottom of the second cylinder fixing plate (7), a second sliding rail (29) is fixedly connected to the bracket mechanism, the second pulley (28) is disposed on the second sliding rail (29), a third gear (26) is fixedly connected to an output shaft of the third motor (25), a fourth gear (27) is fixedly connected to the second pulley (28), the third gear (26) is engaged with the fourth gear (27), and the third motor (25) is electrically connected to the control system.

8. A heavy vehicle body member correcting device according to claim 1, wherein the platform plate (1) comprises a grid plate (30) and a grid-shaped load-bearing beam (31), the grid plate (30) is arranged in a grid formed between the load-bearing beams (31), and the grid plate (30) is fixedly connected with the load-bearing beam (31).

9. A heavy vehicle girder calibrating device according to claim 8, wherein the platform plate (1) is provided with a plurality of blocks, and a slope plate (32) having a triangular cross-section is provided at one end of the platform plate (1).

10. A heavy vehicle girder correcting apparatus according to claim 1, wherein the oil supply mechanism includes an oil tank (33) and a hydraulic oil pump (34), the hydraulic oil pump (34) being in communication with the oil tank (33), the hydraulic oil pump (34) being electrically connected to the control system.