Trolley for highway bridge construction

Abstract

The utility model relates to the technical field of highway bridge construction, and discloses a highway bridge construction cart which comprises a bottom plate, fixing rods are fixedly connected to the four corners of the top of the bottom plate, a storage groove is formed in the bottom plate, and a first servo motor is fixedly connected to the bottom of the storage groove. The weight of the bottom plate is increased through the weight increasing mechanism, equipment tilting caused by uneven weight is prevented, a first servo motor drives a U-shaped plate to move downwards, a worker enters the U-shaped plate, the worker wears a shoulder strap, the worker is protected through the shoulder strap and two stop levers, the first servo motor drives the U-shaped plate to move upwards, and the worker wears the shoulder strap and the two stop levers. The equipment is moved through cooperative use of a push handle and self-locking wheels, the U-shaped plate is moved to the outer side of a bridge, the equipment is fixed to one side of a bridge guardrail through a fixing mechanism, the U-shaped plate is driven by a first servo motor to move downwards, and therefore workers conduct construction on the outer side of the bridge.

Description

Technical Field

[0001] The utility model relates to the technical field of highway bridge construction, in particular to a push cart for highway bridge construction. Background Art

[0002] Bridges generally refer to structures built across rivers, lakes, and seas to allow vehicles and pedestrians to pass smoothly. In order to adapt to the modern high-speed development of the transportation industry, bridges are also extended to buildings that cross mountain streams, poor geology, or meet other transportation needs to make passage more convenient. Bridges are generally composed of superstructures, substructures, supports, and auxiliary structures. The superstructure is also called the bridge span structure, which is the main structure for crossing obstacles. The substructure includes abutments, piers, and foundations. The supports are force transmission devices installed at the supporting places of the bridge span structure and the piers or abutments. The auxiliary structures refer to the bridge head slabs, conical slope protection, revetments, diversion projects, etc.

[0003] After searching, a Chinese patent discloses a road bridge construction cart (authorization announcement number CN219821503U), including a bottom plate, four wheels are rotatably arranged at the lower end of the bottom plate, a car box is hingedly connected to the upper end of the bottom plate, a driving chamber is arranged in the bottom plate, two screws are rotatably arranged in the driving chamber, a motor is arranged in the driving chamber, a transmission belt structure is connected between the motor driving end and the two screws, each screw is threadedly connected to a moving ring, a sleeve is arranged at the upper end of the moving ring, the sleeve is movably connected to the driving chamber, the upper end of the screw passes through the sleeve to connect a limit plate, the limit plate is movably connected to the sleeve, the upper end of the sleeve passes through the driving chamber to hingely connect a limit block, the limit block is slidably connected to a guide rail, the guide rail is fixedly arranged at the lower end of the car box, a knocking block is movably arranged at the lower end of the car box, and a rotating arm is fixedly connected to the lower end of the knocking block. When unloading, the car door can be automatically opened, and the car box automatically rotates and tilts, thereby realizing automatic unloading. At the same time, the car box can vibrate and clean, which is very convenient to use;

[0004] However, in the actual application process of this patented technology, there is a lack of a mechanism to help users to carry out construction on the outside of the bridge in mid-air. In actual use, after some bridges are built, it is necessary to organize and construct the drainage pipes or other items on the outside of the bridge. However, this device lacks a mechanism to help users to carry out construction on the outside of the bridge in mid-air, and cannot help users to carry out construction on the outside of the bridge, which is not conducive to practical application and operation. Utility Model Content

[0005] The purpose of the utility model is to provide a push cart for highway bridge construction to solve the problem raised in the above background technology: the prior art lacks a mechanism to help users to construct the outside of the bridge in mid-air, which is not conducive to practical application and operation.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a cart for highway bridge construction, comprising a base plate, the top four corners of the base plate are fixedly connected with fixing rods, the base plate is provided with a storage groove inside, the bottom of the storage groove is fixedly connected with a first servo motor, the output end of the first servo motor extends to the outside of the base plate and is fixedly connected with a first screw rod, the outer side of the first screw rod is threadedly connected with a movable plate, the fixing rods all penetrate the movable plate and are slidably connected with the movable plate, the movable plate is fixedly connected with a U-shaped plate below the side away from the base plate, two shoulder straps are fixedly connected below the movable plate and above the U-shaped plate, two baffles are fixedly connected inside the U-shaped plate, four self-locking wheels are fixedly connected with four self-locking wheels at the bottom four corners of the base plate, a push handle is fixedly connected to one side of the base plate, a weight-increasing mechanism is provided on the side of the base plate away from the U-shaped plate, a fixing mechanism is provided on the top of the base plate, and a tightening mechanism is provided on one side of the base plate.

[0007] Through the above technical scheme, the weight of the bottom plate is increased by the weight-increasing mechanism to prevent the equipment from tilting due to uneven weight, the U-shaped plate is driven downward by the first servo motor to allow workers to enter the interior of the U-shaped plate and wear shoulder straps at the same time. The workers are protected by the shoulder straps and two baffles, the U-shaped plate is driven upward by the first servo motor, and the equipment is moved by the coordinated use of the push handle and the self-locking wheel to move the U-shaped plate to the outside of the bridge, the equipment is fixed to one side of the bridge guardrail by the fixing mechanism, and the U-shaped plate is driven downward by the first servo motor to allow workers to perform construction on the outside of the bridge.

[0008] Preferably, the fixing mechanism includes a power slot, a second servo motor, a second screw rod, a side plate, a baffle, a threaded rod, a push plate, a sliding rod, a clamping plate and a through slot, wherein the power slot is opened inside the bottom plate and is located on one side of the storage slot, the second servo motor is fixedly connected to the inside of the power slot, the output end of the second servo motor extends to the top of the bottom plate, the second screw rod is fixedly connected to the output end of the second servo motor, the side plate is threadedly connected to the outside of the second screw rod, wherein two of the fixing rods penetrate the side plates and are slidably connected to the side plates, the baffle is fixedly connected to the bottom of the side plates, the threaded rod is threadedly connected to the side of the side plates away from the U-shaped plate, the threaded rod penetrates the baffle, the push plate is rotatably connected to an end of the threaded rod close to the U-shaped plate, the sliding rod is fixedly connected to the side of the push plate away from the U-shaped plate, the sliding rod penetrates the baffle and is slidably connected to the baffle, the clamping plate is fixedly connected to the bottom of the side plate close to the U-shaped plate, the side of the push plate close to the clamping plate is fixedly connected with an anti-slip pad, the through slot is opened at the top of the movable plate, and the second screw rod passes through the through slot.

[0009] Through the above technical scheme, the second servo motor drives the second screw rod to rotate, thereby driving the side panel to move upward, and the side panel is moved above the bridge guardrail and the crash wall. The second servo motor drives the side panel to move downward, so that the bridge guardrail and the crash wall are located between the push plate and the clamping plate. The push plate is pushed toward the bridge guardrail and the crash wall by rotating the threaded rod, and the bridge guardrail and the crash wall are clamped by the push plate and the clamping plate, thereby completing the fixation of the equipment.

[0010] Preferably, the top of the fixed rod is fixedly connected to a limiting plate, one end of the threaded rod away from the U-shaped plate is fixedly connected to a turntable, and the side of the turntable away from the threaded rod is fixedly connected to a handle.

[0011] Through the above technical solution, the movable plate is limited by the limiting plate, and the turntable is driven to rotate by turning the handle, thereby driving the threaded rod to rotate.

[0012] Preferably, a control panel is fixedly connected to one side of the base plate, and the first servo motor and the second servo motor are both electrically connected to the control panel.

[0013] Through the above technical solution, the first servo motor and the second servo motor are started by controlling the control panel.

[0014] Preferably, the weight-increasing mechanism includes a water tank, a water inlet pipe, a pipe cover, a drain pipe and a valve, the water tank is fixedly connected to one side of the bottom plate, the water inlet pipe is fixedly connected to the top of the water tank, the bottom end of the water inlet pipe extends to the interior of the water tank, the pipe cover is threadedly connected to the top of the water inlet pipe, the drain pipe is fixedly connected to one side of the water tank, one end of the drain pipe extends to the interior of the water tank, and the valve is arranged on the top of the drain pipe.

[0015] Through the above technical solution, the water inlet pipe is opened by turning the pipe cover, and water is poured into the interior of the water tank through the water inlet pipe, thereby increasing the weight of the water tank, thereby increasing the weight of the side of the bottom plate away from the U-shaped plate to prevent the equipment from tilting due to uneven weight. The switch of the drain pipe is controlled by a valve to discharge the water inside the water tank through the drain pipe.

[0016] Preferably, the clamping mechanism includes a fixed plate, a transmission plate, a rotating shaft, a transverse plate and a contact plate, the two fixed plates are fixedly connected to one side of the base plate close to the U-shaped plate, the transmission plate is rotatably connected between the two fixed plates, the rotating shaft is rotatably connected to one end of the transmission plate away from the fixed plate, the transverse plates are fixedly connected to both ends of the rotating shaft, and the contact plate is fixedly connected between the two transverse plates.

[0017] Through the above technical scheme, the transmission plate is rotated to make the contact plate close to the bridge guardrail and the crash wall, and the rotating shaft is rotated to make the contact plate contact one side of the bridge guardrail and the crash wall, thereby completing the contact with the bridge guardrail and the crash wall.

[0018] Preferably, heat dissipation holes are equidistantly provided below the bottom plate and below the storage slot and the power slot, and filters are provided inside the heat dissipation holes.

[0019] Through the above technical solution, the first servo motor and the second servo motor are cooled through the heat dissipation holes, and the filter net is used to prevent dust from entering the storage slot and the power slot.

[0020] Compared with the prior art, the beneficial effects achieved by the utility model are: the weight of the bottom plate is increased by a weight-increasing mechanism to prevent the equipment from tilting due to uneven weight, the U-shaped plate is driven downward by a first servo motor to allow workers to enter the interior of the U-shaped plate and wear shoulder straps at the same time, and the workers are protected by the shoulder straps and two baffles, the U-shaped plate is driven upward by the first servo motor, the equipment is moved by the coordinated use of a push handle and a self-locking wheel, the U-shaped plate is moved to the outside of the bridge, the equipment is fixed to one side of the bridge guardrail by a fixing mechanism, and the U-shaped plate is driven downward by the first servo motor, so that the workers can perform construction on the outside of the bridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is the first stereogram of the utility model;

[0022] Figure 2 It is a second stereoscopic view of the utility model;

[0023] Figure 3 This is a front cross-sectional view of the utility model;

[0024] Figure 4 It is the front view of the utility model.

[0025] Among them: 1. bottom plate; 2. fixing rod; 3. storage slot; 4. power slot; 5. first servo motor; 6. first screw rod; 7. second servo motor; 8. second screw rod; 9. heat dissipation hole; 10. side plate; 11. baffle plate; 12. threaded rod; 13. push plate; 14. slide rod; 15. clamping plate; 16. water tank; 17. water inlet pipe; 18. pipe cover; 19. drain pipe; 20. valve; 21. fixing plate; 22. transmission plate; 23. rotating shaft; 24. horizontal plate; 25. contact plate; 26. movable plate; 27. through groove; 28. U-shaped plate; 29. ​​baffle rod; 30. shoulder strap; 31. self-locking wheel; 32. push handle; 33. turntable; 34. turn handle; 35. control panel. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A road bridge construction cart includes a bottom plate 1, four corners of the top of the bottom plate 1 are fixedly connected with fixed rods 2, a storage groove 3 is opened inside the bottom plate 1, a first servo motor 5 is fixedly connected to the bottom of the storage groove 3, an output end of the first servo motor 5 extends to the outside of the bottom plate 1 and is fixedly connected with a first screw rod 6, the outer side of the first screw rod 6 is threadedly connected with a movable plate 26, the fixed rods 2 all penetrate the movable plate 26 and are slidably connected with the movable plate 26, a U-shaped plate 28 is fixedly connected to the lower side of the movable plate 26 away from the bottom plate 1, and the lower side of the movable plate 26 and the position Two shoulder straps 30 are fixedly connected to the top of the U-shaped plate 28, two baffle bars 29 are fixedly connected to the inside of the U-shaped plate 28, four self-locking wheels 31 are fixedly connected to the four corners of the bottom of the base plate 1, a push handle 32 is fixedly connected to one side of the base plate 1, and the equipment is moved by using the push handle 32 and the self-locking wheels 31. A weight-increasing mechanism is provided on the side of the base plate 1 away from the U-shaped plate 28, and the base plate 1 is pressed down by the weight-increasing mechanism. A fixing mechanism is provided on the top of the base plate 1, and the equipment is fixed by the fixing mechanism. A tightening mechanism is provided on one side of the base plate 1.

[0028] Through the above technical scheme, the weight of the base plate 1 is increased by the weight-increasing mechanism to prevent the equipment from tilting due to uneven weight, the U-shaped plate 28 is driven downward by the first servo motor 5 to allow workers to enter the interior of the U-shaped plate 28 and wear the shoulder strap 30 at the same time. The workers are protected by the shoulder strap 30 and the two baffle bars 29, the U-shaped plate 28 is driven upward by the first servo motor 5, and the equipment is moved by the coordinated use of the push handle 32 and the self-locking wheel 31 to move the U-shaped plate 28 to the outside of the bridge, the equipment is fixed to one side of the bridge guardrail by the fixing mechanism, and the U-shaped plate 28 is driven downward by the first servo motor 5, so that the workers can perform construction on the outside of the bridge.

[0029] See also Figure 1 , Figure 3 and Figure 4Specifically, the weight-increasing mechanism includes a water tank 16, a water inlet pipe 17, a pipe cover 18, a drain pipe 19 and a valve 20. The water tank 16 is fixedly connected to one side of the bottom plate 1, the water inlet pipe 17 is fixedly connected to the top of the water tank 16, the bottom end of the water inlet pipe 17 extends to the interior of the water tank 16, the pipe cover 18 is threadedly connected to the top of the water inlet pipe 17, the drain pipe 19 is fixedly connected to one side of the water tank 16, one end of the drain pipe 19 extends to the interior of the water tank 16, and the valve 20 is arranged on the top of the drain pipe 19.

[0030] Through the above technical solution, the water inlet pipe 17 is opened by rotating the pipe cover 18, and water is injected into the interior of the water tank 16 through the water inlet pipe 17, thereby increasing the weight of the water tank 16, thereby increasing the weight of the side of the bottom plate 1 away from the U-shaped plate 28 to prevent the equipment from tilting due to uneven weight. The drain pipe 19 is switched on and off by the valve 20, and the water inside the water tank 16 is discharged through the drain pipe 19.

[0031] See also Figure 3 and Figure 4 Specifically, the fixing mechanism includes a power slot 4, a second servo motor 7, a second screw rod 8, a side plate 10, a baffle 11, a threaded rod 12, a push plate 13, a slide rod 14, a clamping plate 15 and a through slot 27. The power slot 4 is opened inside the bottom plate 1 and is located on one side of the storage slot 3. The second servo motor 7 is fixedly connected to the inside of the power slot 4. The output end of the second servo motor 7 extends to the top of the bottom plate 1. The second screw rod 8 is fixedly connected to the output end of the second servo motor 7. The side plate 10 is threadedly connected to the outside of the second screw rod 8. The two fixing rods 2 penetrate the side plate 10 and are slidably connected to the side plate 10. The baffle 1 1 is fixedly connected to the bottom of the side plate 10, the threaded rod 12 is threadedly connected to the side of the side plate 10 away from the U-shaped plate 28, the threaded rod 12 penetrates the baffle 11, the push plate 13 is rotatably connected to the end of the threaded rod 12 close to the U-shaped plate 28, the sliding rod 14 is fixedly connected to the side of the push plate 13 away from the U-shaped plate 28, the sliding rod 14 penetrates the baffle 11 and is slidably connected to the baffle 11, the clamping plate 15 is fixedly connected to the bottom of the side plate 10 close to the U-shaped plate 28, the side of the push plate 13 close to the clamping plate 15 is fixedly connected with an anti-slip pad, the through slot 27 is opened at the top of the movable plate 26, and the second screw rod 8 passes through the through slot 27.

[0032] Through the above technical scheme, the second servo motor 7 drives the second screw rod 8 to rotate, thereby driving the side panel 10 to move upward, and the side panel 10 is moved above the bridge guardrail and the crash wall. The second servo motor 7 drives the side panel 10 to move downward, so that the bridge guardrail and the crash wall are located between the push plate 13 and the clamping plate 15. The push plate 13 is pushed toward the bridge guardrail and the crash wall by rotating the threaded rod 12, and the bridge guardrail and the crash wall are clamped by the push plate 13 and the clamping plate 15, thereby completing the fixation of the equipment.

[0033] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 Specifically, the clamping mechanism includes a fixed plate 21, a transmission plate 22, a rotating shaft 23, a transverse plate 24 and a contact plate 25. The two fixed plates 21 are fixedly connected to one side of the bottom plate 1 close to the U-shaped plate 28, the transmission plate 22 is rotatably connected between the two fixed plates 21, the rotating shaft 23 is rotatably connected to one end of the transmission plate 22 away from the fixed plate 21, the transverse plates 24 are fixedly connected to both ends of the rotating shaft 23, and the contact plate 25 is fixedly connected between the two transverse plates 24.

[0034] Through the above technical solution, the transmission plate 22 is rotated to make the contact plate 25 close to the bridge guardrail and the crash wall, and the rotating shaft 23 is rotated to make the contact plate 25 contact one side of the bridge guardrail and the crash wall, thereby completing the contact with the bridge guardrail and the crash wall.

[0035] See also Figure 4 Specifically, the top of the fixed rod 2 is fixedly connected to the limiting plate, the end of the threaded rod 12 away from the U-shaped plate 28 is fixedly connected to the turntable 33, and the side of the turntable 33 away from the threaded rod 12 is fixedly connected to the handle 34.

[0036] Through the above technical solution, the movable plate 26 is limited by the limiting plate, and the turntable 33 is driven to rotate by rotating the handle 34, thereby driving the threaded rod 12 to rotate.

[0037] See also Figure 2 and Figure 3 Specifically, heat dissipation holes 9 are equidistantly provided below the bottom plate 1 and below the storage slot 3 and the power slot 4, and filters are provided inside the heat dissipation holes 9.

[0038] Through the above technical solution, the first servo motor 5 and the second servo motor 7 are cooled through the heat dissipation holes 9, and the filter net prevents dust from entering the storage slot 3 and the power slot 4.

[0039] See also Figure 1 , Figure 2 and Figure 4 Specifically, a control panel 35 is fixedly connected to one side of the base plate 1 , and the first servo motor 5 and the second servo motor 7 are both electrically connected to the control panel 35 .

[0040] Through the above technical solution, the first servo motor 5 and the second servo motor 7 are started by controlling the control panel 35 .

[0041] Working principle: the water inlet pipe 17 is opened by rotating the pipe cover 18, and water is poured into the water tank 16 through the water inlet pipe 17, thereby increasing the weight of the water tank 16, thereby increasing the weight of the side of the bottom plate 1 away from the U-shaped plate 28 to prevent the equipment from tilting due to uneven weight. The first servo motor 5 and the second servo motor 7 are controlled to start through the control panel 35, and the U-shaped plate 28 is driven downward by the first servo motor 5 to allow the worker to enter the inside of the U-shaped plate 28. At the same time, the shoulder strap 30 is worn, and the shoulder strap 30 and the two baffles 29 are used to protect the worker. The U-shaped plate 28 is driven upward by the first servo motor 5, and the second screw rod 8 is driven to rotate by the second servo motor 7, thereby driving the side plate 10 to move upward. The equipment is moved by the cooperation of the push handle 32 and the self-locking wheel 31, so that the U-shaped plate 28 moves to the outside of the bridge, and the side plate 1 is moved upward. 0 moves to the top of the bridge guardrail and the crash barrier, drives the side plate 10 downward through the second servo motor 7, so that the bridge guardrail and the crash barrier are located between the push plate 13 and the clamping plate 15, limits the movable plate 26 through the limit plate, drives the turntable 33 to rotate by turning the handle 34, thereby drives the threaded rod 12 to rotate, pushes the push plate 13 to move toward the bridge guardrail and the crash barrier by rotating the threaded rod 12, clamps the bridge guardrail and the crash barrier by the push plate 13 and the clamping plate 15, thereby completing the fixing of the equipment, makes the contact plate 25 close to the bridge guardrail and the crash barrier by rotating the transmission plate 22, and makes the contact plate 25 contact one side of the bridge guardrail and the crash barrier by rotating the rotating shaft 23, thereby completing the contact with the bridge guardrail and the crash barrier, drives the U-shaped plate 28 downward through the first servo motor 5, so that the workers can perform construction on the outside of the bridge.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cart for highway bridge construction, comprising a bottom plate (1), characterized in that: The top four corners of the bottom plate (1) are all fixedly connected to fixed rods (2); a storage groove (3) is provided inside the bottom plate (1); a first servo motor (5) is fixedly connected to the bottom of the storage groove (3); an output end of the first servo motor (5) extends to the outside of the bottom plate (1) and is fixedly connected to a first screw rod (6); a movable plate (26) is threadedly connected to the outside of the first screw rod (6); the fixed rods (2) all penetrate the movable plate (26) and are slidably connected to the movable plate (26); a lower portion of the movable plate (26) away from the bottom plate (1) is fixedly connected to the movable plate (26); A U-shaped plate (28) is fixedly connected thereto; two shoulder straps (30) are fixedly connected below the movable plate (26) and above the U-shaped plate (28); two blocking rods (29) are fixedly connected inside the U-shaped plate (28); four self-locking wheels (31) are fixedly connected to the four corners of the bottom of the base plate (1); a push handle (32) is fixedly connected to one side of the base plate (1); a weight-increasing mechanism is provided on the side of the base plate (1) away from the U-shaped plate (28); a fixing mechanism is provided on the top of the base plate (1); and a tightening mechanism is provided on one side of the base plate (1).

2. The road bridge construction cart according to claim 1, characterized in that: The weight-increasing mechanism comprises a water tank (16), a water inlet pipe (17), a pipe cover (18), a drain pipe (19) and a valve (20); the water tank (16) is fixedly connected to one side of the bottom plate (1); the water inlet pipe (17) is fixedly connected to the top of the water tank (16); the bottom end of the water inlet pipe (17) extends to the inside of the water tank (16); the pipe cover (18) is threadedly connected to the top of the water inlet pipe (17); the drain pipe (19) is fixedly connected to one side of the water tank (16); one end of the drain pipe (19) extends to the inside of the water tank (16); and the valve (20) is arranged at the top of the drain pipe (19).

3. The road bridge construction cart according to claim 1, characterized in that: The fixing mechanism comprises a power slot (4), a second servo motor (7), a second screw rod (8), a side plate (10), a baffle plate (11), a threaded rod (12), a push plate (13), a slide rod (14), a clamping plate (15) and a through slot (27); the power slot (4) is opened inside the bottom plate (1) and is located on one side of the storage slot (3); the second servo motor (7) is fixedly connected inside the power slot (4); the output end of the second servo motor (7) extends to the top of the bottom plate (1); the second screw rod (8) is fixedly connected to the output end of the second servo motor (7); the side plate (10) is threadedly connected to the outside of the second screw rod (8); the two fixing rods (2) penetrate the side plate (10) and are slidably connected to the side plate (10); the baffle plate (11) is fixedly connected to the side plate (10); The threaded rod (12) is connected to the bottom of the side plate (10), the threaded rod (12) is threadedly connected to the side of the side plate (10) away from the U-shaped plate (28), the threaded rod (12) passes through the baffle (11), the push plate (13) is rotatably connected to the end of the threaded rod (12) close to the U-shaped plate (28), the sliding rod (14) is fixedly connected to the side of the push plate (13) away from the U-shaped plate (28), the sliding rod (14) passes through the baffle (11) and is slidably connected to the baffle (11), the clamping plate (15) is fixedly connected to the bottom of the side plate (10) close to the U-shaped plate (28), the side of the push plate (13) close to the clamping plate (15) is fixedly connected with an anti-slip pad, the through groove (27) is opened at the top of the movable plate (26), and the second screw rod (8) passes through the through groove (27).

4. The road bridge construction cart according to claim 1, characterized in that: The clamping mechanism comprises a fixed plate (21), a transmission plate (22), a rotating shaft (23), a transverse plate (24) and a contact plate (25); the two fixed plates (21) are fixedly connected to a side of the bottom plate (1) close to the U-shaped plate (28); the transmission plate (22) is rotatably connected between the two fixed plates (21); the rotating shaft (23) is rotatably connected to an end of the transmission plate (22) away from the fixed plate (21); the transverse plates (24) are fixedly connected to both ends of the rotating shaft (23); and the contact plate (25) is fixedly connected between the two transverse plates (24).

5. The push cart for highway bridge construction according to claim 3 is characterized in that: The top of the fixed rod (2) is fixedly connected to a limit plate, one end of the threaded rod (12) away from the U-shaped plate (28) is fixedly connected to a turntable (33), and the side of the turntable (33) away from the threaded rod (12) is fixedly connected to a turning handle (34).

6. The push cart for highway bridge construction according to claim 3, characterized in that: Heat dissipation holes (9) are provided at equal distances below the bottom plate (1) and below the storage slot (3) and the power slot (4), and filters are provided inside the heat dissipation holes (9).

7. The push cart for highway bridge construction according to claim 3, characterized in that: A control panel (35) is fixedly connected to one side of the base plate (1), and the first servo motor (5) and the second servo motor (7) are both electrically connected to the control panel (35).

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