Road bridge expansion joint repairing device

Abstract

The utility model relates to the technical field of expansion joint repairing, and discloses a road bridge expansion joint repairing device which comprises a cart, a sliding hole is formed in the cart, a sliding plate is connected in the sliding hole in a sliding mode, a lifting mechanism for driving the sliding plate to move is fixedly connected in the cart, a polishing hole is formed in the sliding plate, and the polishing hole is communicated with the cart. A grinding wheel is rotationally connected into the grinding hole, a motor for driving the grinding wheel to rotate is fixedly connected to the sliding plate, a dust collection mechanism matched with the grinding wheel is arranged on the sliding plate, a first storage barrel and a second storage barrel are arranged in the cart, pistons are movably inserted into the first storage barrel and the second storage barrel, and a dust collection mechanism matched with the dust collection mechanism is arranged in the first storage barrel and the second storage barrel. Compared with the prior art, the inner wall repairing device has the advantages that the inner wall of the expansion joint can be automatically polished, coated with primer and filled with repairing agents, and therefore the overall repairing time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of expansion joint repair, in particular to a road bridge expansion joint repair device. Background Art

[0002] Road bridge expansion joints refer to structures used to connect different parts of roads and bridges to allow them to expand and move freely when thermal expansion, contraction, vibration and deformation occur under various environmental conditions, thus reducing the impact on the road bridge structure. They are usually made of flexible materials such as rubber, metal, etc., and have certain expansion and contraction capabilities and load-bearing capacity.

[0003] Expansion joints will be damaged after long-term use and need to be repaired with a repair device. First, the workers will use a grinder to grind the inner wall of the expansion joint. After grinding, primer will be applied on both sides of the inner wall to improve adhesion. Finally, the repair agent is poured and waited for solidification.

[0004] In the prior art, grinding, applying primer, and pouring repair agent are mainly completed manually by workers, which requires high proficiency of the workers and takes a long time for the overall repair. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The technical problem to be solved by the utility model is that grinding, applying primer and pouring repair agent are mainly completed manually by workers, and the overall repair time is relatively long.

[0007] (II) Technical solution

[0008] The trolley is a device for repairing a road bridge expansion joint, wherein the trolley is provided with a sliding hole, a sliding plate is slidably connected to the sliding hole, a lifting mechanism for driving the sliding plate to move is fixedly connected to the trolley, a grinding hole is provided on the sliding plate, a grinding wheel is rotatably connected to the grinding hole, the sliding plate is fixedly connected to a motor that drives the grinding wheel to rotate, and a dust suction mechanism that cooperates with the grinding wheel is provided on the sliding plate. The trolley is respectively provided with a first material storage barrel and a second material storage barrel, and the first material storage barrel and the second material storage barrel are both movably inserted with pistons, and the trolley is fixedly connected with a moving mechanism that drives the piston to slide, and one end of the first material storage barrel and the second material storage barrel are provided with a discharge pipe that runs through the trolley, the bottom surface of the trolley is located between the first material storage barrel and the second material storage barrel and is fixedly connected with a brush, and a guide mechanism is provided at the front end of the trolley.

[0009] As an improvement, the lifting mechanism includes connecting rods arranged correspondingly on both sides of the slide, a cross bar is fixedly connected between the connecting rods, an extension plate is fixedly connected inside the cart, and a first electric push rod that drives the cross bar to lift is fixedly connected to the extension plate.

[0010] As an improvement, the dust suction mechanism includes a cleaning rod with the bottom surface of the skateboard located on one side of the grinding wheel, a dust suction pipe is fixedly connected to the bottom surface of the skateboard located on one side of the cleaning rod, a vacuum cleaner is fixedly connected in the cart, and the dust suction pipe is fixedly connected to the vacuum cleaner.

[0011] As an improvement, the moving mechanism includes a connecting column at one end of the piston, and a second electric push rod for driving the connecting column to move is fixedly connected inside the cart.

[0012] As an improvement, the guide mechanism includes a first slide groove at one end of the cart, a slider is slidably connected to the first slide groove, a bolt for fixing the slider is threadedly connected to the slider, a second slide groove is provided on the slider, limit plates correspondingly arranged on both sides are slidably connected to the second slide groove, and a bidirectional screw for driving the limit plates to slide toward each other is rotatably connected to the second slide groove.

[0013] As an improvement, both ends of the sliding block are fixedly connected to limit blocks, and a limit groove cooperating with the limit block is provided in the first sliding groove on the trolley.

[0014] (III) Beneficial effects

[0015] The advantages of the utility model compared with the prior art are:

[0016] The sliding plate is driven downward by the lifting mechanism so that the grinding wheel enters the expansion joint, the grinding wheel is driven to rotate by the motor, the inner wall after grinding is cleaned by the dust suction mechanism, the piston is pushed to move by the moving mechanism, so as to extrude the primer and the repair agent, the primer is evenly applied by the brush arranged between the first storage barrel and the second storage barrel, and the grinding wheel is ensured to be in the expansion joint by the guide mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a stereoscopic diagram of a road bridge expansion joint repairing device.

[0018] Figure 2 The utility model discloses an exploded view of a road bridge expansion joint repairing device.

[0019] Figure 3 This is a section of a road bridge expansion joint repair device of the utility model Figure 1 .

[0020] Figure 4 This is a section of a road bridge expansion joint repair device of the utility model Figure 2 .

[0021] Figure 5 It is an enlarged view of position A of a road bridge expansion joint repair device of the utility model.

[0022] As shown in the figure: 1. Cart; 2. Limit block; 3. Slide plate; 4. Grinding hole; 5. Grinding wheel; 6. Motor; 7. First storage barrel; 8. Second storage barrel; 9. Piston; 10. Discharge pipe; 11. Brush; 12. Connecting rod; 13. Cross bar; 14. Extension plate; 15. First electric push rod; 16. Cleaning rod; 17. Dust suction pipe; 18. Vacuum cleaner; 19. Connecting column; 20. Bidirectional screw; 21. Second electric push rod; 22. First slide groove; 23. Sliding block; 24. Bolt; 25. Second slide groove; 26. Limit plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] like Figure 1 to Figure 2 As shown, a road bridge expansion joint repair device comprises a cart 1, wherein the cart 1 is provided with a sliding hole, a slide plate 3 is slidably connected in the sliding hole, the slide plate 3 is fixedly connected to connecting rods 12 correspondingly arranged on both sides, a cross bar 13 is fixedly connected between the connecting rods 12, an extension plate 14 is fixedly connected in the cart 1, a first electric push rod 15 for driving the cross bar 13 to rise and fall is fixedly connected to the extension plate 14, a grinding hole 4 is provided on the slide plate 3, a grinding wheel 5 is rotatably connected in the grinding hole 4, a motor 6 for driving the grinding wheel 5 to rotate is fixedly connected to the slide plate 3, the slide plate 3 is driven to move by the first electric push rod 15, so that the grinding wheel 5 contacts the expansion joint, and the grinding wheel 5 is driven by the motor 6 to grind the expansion joint to complete the grinding.

[0025] like Figure 2 , Figure 3 As shown, the bottom surface of the skateboard 3 is located on one side of the grinding wheel 5 and is fixedly connected to a cleaning rod 16, the bottom surface of the skateboard 3 is located on one side of the cleaning rod 16 and is fixedly connected to a dust suction pipe 17, a vacuum cleaner 18 is fixedly connected inside the cart 1, and the dust suction pipe 17 is fixedly connected to the vacuum cleaner 18, the inner wall after grinding is cleaned by the cleaning rod 16, and the dust is transported to the vacuum cleaner 18 through the dust suction pipe 17 to complete the cleaning of the telescopic wall.

[0026] like Figures 2 to 4As shown, the cart is respectively provided with a first material storage barrel 7 and a second material storage barrel 8, and a piston 9 is movably inserted in the first material storage barrel 7 and the second material storage barrel 8, and one end of the piston 9 is fixedly connected to a connecting column 19, and a second electric push rod 21 for driving the connecting column 19 to move is fixedly connected in the cart 1, and one end of the first material storage barrel 7 and the second material storage barrel 8 is provided with a discharge pipe 10 that runs through the cart 1, and the discharge pipe 10 is a telescopic plastic pipe that can adjust the length, and a brush 11 is fixedly connected to the bottom surface of the cart 1 between the first material storage barrel 7 and the second material storage barrel 8, and the connecting column 19 is pushed to move by the second electric push rod 21, thereby pushing the piston 9 to move, and the primer and repair agent in the first material storage barrel 7 and the second material storage barrel 8 are squeezed out, and the primer is evenly applied by the brush 11 to complete the filling of the repair agent.

[0027] like Figures 3 to 5 As shown, one end of the trolley 1 is provided with a first slide groove 22, and a slider 23 is slidably connected to the first slide groove 22, and a bolt 24 for fixing the slider 23 is threadedly connected to the slider 23. A second slide groove 25 is provided on the slider 23, and a limit plate 26 arranged correspondingly on both sides is slidably connected in the second slide groove 25. A bidirectional screw 20 is rotatably connected in the second slide groove 25 to drive the limit plates 26 to slide towards each other. The bidirectional screw 20 is frictionally connected with the second slide groove 25, and there is a certain resistance when rotating. Both ends of the slider 23 are fixedly connected to the limit block 2, and a limit groove cooperating with the limit block 2 is provided in the first slide groove 22 of the trolley 1. The slider 23 is controlled to slide in the first slide groove 22 by the bolt 24, and the two limit plates 26 are moved toward each other in the expansion joint by rotating the bidirectional screw 20, so that the grinding wheel 5 on the trolley 1 is always in the expansion joint, which plays a guiding role.

[0028] In specific use, the trolley 1 is pushed to the expansion joint to be repaired, and then the bolt 24 is turned to slide the slider 23 downward. When it slides to a suitable position, it stops, and the bolt 24 is tightened. Then the bidirectional screw 20 is turned. The bidirectional screw 20 drives the two limit plates 26 to move toward each other. When the two limit plates 26 are in contact with the two inner walls of the expansion joint, they stop. At this time, the guidance of the trolley 1 is completed, and then the first electric push rod 15 is started. The first electric push rod 15 drives the slide plate 3 to move downward. When it moves to a suitable position, it stops. At this time, the grinding wheel 5 is in contact with the inner wall of the expansion joint, and then the length of the discharge pipe 10 is adjusted to a suitable position, and then the motor 6 is started. The motor 6 drives the grinding wheel 5 to rotate, thereby grinding the inner wall of the expansion joint, and then the trolley 1 is pushed forward. , the cleaning rod 16 located behind the grinding wheel 5 sweeps the dust off the inner wall, starts the vacuum cleaner 18, and the vacuum tube 17 generates suction to suck the dust into the vacuum cleaner 18. Then, when it reaches the bottom of the first storage barrel 7, the second electric push rod 21 on the left is started, and the second electric push rod 21 drives the connecting column 19 to move downward, thereby squeezing the primer out of the discharge pipe 10 and then into the expansion joint. Then, while the cart 1 is moving, the brush 11 evenly applies the primer on the inner wall of the expansion joint, and then passes through the second storage barrel 8, and the second electric push rod 21 on the right is started. The second electric push rod 21 drives the connecting column 19 to move, thereby pushing the piston 9 to squeeze the repair agent, so that the repair agent is discharged from the discharge pipe 10 and then enters the expansion joint, thereby completing the filling of the repair agent.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0031] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A road bridge expansion joint repair device, comprising a cart (1), characterized in that: The trolley (1) is provided with a sliding hole, a slide plate (3) is slidably connected in the sliding hole, a lifting mechanism for driving the slide plate (3) to move is fixedly connected in the trolley (1), a grinding hole (4) is provided on the slide plate (3), a grinding wheel (5) is rotatably connected in the grinding hole (4), a motor (6) for driving the grinding wheel (5) to rotate is fixedly connected to the slide plate (3), and a dust collection mechanism cooperating with the grinding wheel (5) is provided on the slide plate (3); The cart is provided with a first material storage barrel (7) and a second material storage barrel (8), each of which is movably connected with a piston (9). A moving mechanism for driving the piston (9) to slide is fixedly connected to the cart (1). One end of the first material storage barrel (7) and the second material storage barrel (8) is provided with a discharge pipe (10) that passes through the cart (1). A brush (11) is fixedly connected to the bottom surface of the cart (1) between the first material storage barrel (7) and the second material storage barrel (8), and a guide mechanism is provided at the front end of the cart (1).

2. A road bridge expansion joint repair device according to claim 1, characterized in that: The lifting mechanism comprises connecting rods (12) arranged correspondingly on both sides of the slide plate (3), a cross bar (13) being fixedly connected between the connecting rods (12), an extension plate (14) being fixedly connected inside the trolley (1), and a first electric push rod (15) for driving the cross bar (13) to lift and lower being fixedly connected to the extension plate (14).

3. A road bridge expansion joint repair device according to claim 1, characterized in that: The dust suction mechanism comprises a cleaning rod (16) whose bottom surface of the slide plate (3) is located on one side of the grinding wheel (5); a dust suction pipe (17) is fixedly connected to the bottom surface of the slide plate (3) located on one side of the cleaning rod (16); a dust collector (18) is fixedly connected inside the trolley (1); and the dust suction pipe (17) is fixedly connected to the dust collector (18).

4. A road bridge expansion joint repair device according to claim 1, characterized in that: The moving mechanism comprises a connecting column (19) at one end of the piston (9), and a second electric push rod (21) is fixedly connected inside the cart (1) for driving the connecting column (19) to move.

5. A road bridge expansion joint repair device according to claim 1, characterized in that: The guide mechanism comprises a first slide groove (22) at one end of the trolley (1), a slider (23) being slidably connected to the first slide groove (22), a bolt (24) for fixing the slider (23) being threadedly connected to the slider (23), a second slide groove (25) being provided on the slider (23), limiting plates (26) correspondingly arranged on both sides being slidably connected in the second slide groove (25), and a bidirectional screw (20) for driving the limiting plates (26) to slide towards each other being rotatably connected in the second slide groove (25).

6. A road bridge expansion joint repair device according to claim 5, characterized in that: Both ends of the sliding block (23) are fixedly connected to the limiting block (2), and a limiting groove cooperating with the limiting block (2) is provided in the first sliding groove (22) on the trolley (1).

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