Road and bridge crack repairing and fixing structure

Abstract

The utility model relates to the technical field of crack repair, in particular to a road and bridge crack repair fixing structure which comprises a fixing center plate and a plurality of fixing expansion bolts, transmission lead screws are rotationally connected to the centers of the two side faces of the fixing center plate, and a through hole is formed in the center of the fixing center plate. The ends, close to each other, of the two transmission lead screws penetrate into the through holes, and the ends, close to each other, of the two transmission lead screws are jointly and fixedly connected with a rotating head. The fixing device has the advantages that the positions of the sliding blocks and the clamping plates can be flexibly adjusted by rotating the adjusting nuts, so that the bayonets can correspond to different positions to adapt to different mounting distances and left-right positions of a plurality of fixing expansion bolts, the adaptability is improved, different construction conditions are met, and the construction efficiency is improved. A clamping and fixing mode of the clamping opening is adopted, installation, clamping and fixing can be more convenient, a plurality of fixing expansion bolts can be independently installed when installed, then the fixing expansion bolts are clamped through the clamping connection plate, and the purpose of convenient installation is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of crack repair, in particular to a road bridge crack repair fixing structure. Background Art

[0002] Roads and bridges are generally paved with materials such as concrete and asphalt. During long-term use, they will be eroded by temperature, rain, etc., and at the same time they have to bear uninterrupted loads. Over time, local damage such as cracks and potholes is prone to occur. If these damaged parts are not repaired in time, rainwater can easily penetrate into the roadbed or bridge deck. Coupled with the action of external forces, the speed of damage will double, and even cause greater dangers such as breakage. Therefore, when the road surface or bridge deck is damaged, it needs to be repaired in time to minimize the loss.

[0003] In Chinese utility model CN218263401U, a road bridge crack repair fixing structure is disclosed. The road bridge crack repair fixing structure rotates a rotating protrusion and a second threaded rod, and the second threaded rod is meshed with a threaded sleeve to make the first fixing plate move laterally along the movable rod, thereby adjusting the distance between the first fixing plate and the second fixing plate, so as to facilitate the use of road bridge crack repair fixing structures of different widths. The first threaded rod is driven to rotate by rotating the nut, and the push block is driven to move vertically downward inside the fixed rivet by the first threaded rod, so that the push block contacts the inner wall of the conical block, and the conical block is pushed to expand by the push block, so that the conical block is in close contact with the hole, so as to fix the first fixing plate and the second fixing plate. However, the road bridge crack repair fixing structure still has the following problems in use:

[0004] The road bridge crack repair fixing structure fixes two fixing mechanisms on the same side through a second fixing plate, which results in that the fixing mechanisms on the same side must have the same spacing, and the fixing mechanisms on both sides need to correspond to each other on the left and right so that they can be tightened by the two second fixing plates. The position of the fixing mechanisms cannot be flexibly arranged according to the actual situation of the cracks. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] To this end, one purpose of the utility model is to propose a road bridge crack repair fixing structure to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a road bridge crack repair fixing structure, including a fixed center plate and a plurality of fixed expansion bolts, the centers of both side surfaces of the fixed center plate are rotatably connected with transmission screws, a through hole is opened in the center of the fixed center plate, the ends of the two transmission screws close to each other are both inserted into the interior of the through hole, the ends of the two transmission screws close to each other are commonly fixedly connected with a rotating head, the centers of both sides of the two side surfaces of the fixed center plate are fixedly connected with guide rods, the outer walls of the two transmission screws are threadedly connected with sliding frames, and the two sides of the two sliding frames are respectively connected to the guide rods on both sides. The two sliding frames are fixedly connected to the rod, and connecting ears are fixedly connected on both sides of the bottom of a side surface facing each other. A fixed screw rod is fixedly connected at the centers of the two connecting ears. A plurality of sliding blocks are arranged on the outer wall of the fixed screw rod, and adjusting nuts are rotatably connected at the centers of a plurality of sliding blocks. The adjusting nuts are threadedly connected to the fixed screw rod, and a plurality of sliding blocks are slidably connected to the sliding frames. A clamping plate is fixedly connected to the bottom of one side of a plurality of sliding blocks, and a clamping slot is provided on one side of the clamping plate. The width of the inner wall of the clamping slot is adapted to the diameter of the bolt body of the fixed expansion bolt, and the bolt head diameter of the fixed expansion bolt is larger than the width of the clamping slot.

[0008] Preferably, any of the above schemes has the two transmission screws of equal length and symmetrically arranged, the ends of the two transmission screws away from the fixed center plate correspond to the ends of the guide rods away from the fixed center plate, and the ends of the two transmission screws away from the fixed center plate are fixedly connected with a stopper.

[0009] The technical effect achieved by adopting the above solution is that the two sliding frames are driven by the transmission screw to slide synchronously toward or away from each other.

[0010] Preferably, any of the above schemes is that the two sliding frames are symmetrically arranged with the center of the fixed central plate as the symmetry axis, and the length of the fixed screw rod is adapted to the length of the sliding frame.

[0011] The technical effect achieved by adopting the above solution is that the sliding range of the sliding block and the clamping plate is matched with the length of the sliding frame.

[0012] Preferably, according to any of the above schemes, the rotating head is located at the center of the through hole, and the size of the rotating head is smaller than the depth of the through hole.

[0013] The technical effect achieved by adopting the above solution is: the rotating head has space for rotation, which is convenient for rotation adjustment.

[0014] Preferably, any of the above schemes has guiding bevels on both sides of the bayonet opening, and the bottom surface of the clamping plate is coplanar with the bottom surface of the sliding frame.

[0015] The technical effect achieved by adopting the above scheme is that the clamping plate can be close to the ground, and the guiding bevel can facilitate guiding the fixed expansion bolt into the clamping port.

[0016] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0017] 1. The road bridge crack repair fixed structure can flexibly adjust the positions of several sliding blocks and the clamping plates by rotating the adjusting nut, so that the bayonet can correspond to different positions to adapt to the different installation spacing and left and right positions of several fixed expansion bolts, improve adaptability, and meet different construction conditions.

[0018] 2. The road bridge crack repair fixing structure adopts a bayonet clamping and fixing method, which can be installed and fixed more conveniently. When installing several fixed expansion bolts, they can be installed separately and then clamped with a clamping plate to achieve the purpose of easy installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0021] Figure 3 It is a side structural schematic diagram of the utility model.

[0022] In the figure: 1-fixed center plate, 2-transmission screw, 3-through hole, 4-rotating head, 5-guide rod, 6-sliding frame, 7-stop head, 8-connecting ear, 9-fixed screw, 10-sliding block, 11-adjusting nut, 12-clamping plate, 13-bayonet, 14-fixed expansion bolt. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0024] Embodiment 1: Figures 1 to 3As shown, a road bridge crack repair fixing structure comprises a fixed center plate 1 and a plurality of fixed expansion bolts 14. The centers of both sides of the fixed center plate 1 are rotatably connected with transmission screws 2. A through hole 3 is opened in the center of the fixed center plate 1. The ends of the two transmission screws 2 close to each other are penetrated into the interior of the through hole 3. The ends of the two transmission screws 2 close to each other are commonly fixedly connected with a rotating head 4. The centers of both sides of the two sides of the fixed center plate 1 are fixedly connected with guide rods 5. The outer walls of the two transmission screws 2 are threadedly connected with sliding frames 6. The two sides of the two sliding frames 6 are respectively slidably connected to the guide rods 5 on both sides. The two sliding frames 6 are mutually Connecting ears 8 are fixedly connected on both sides of the bottom facing one side, and a fixed screw rod 9 is fixedly connected at the centers of the two connecting ears 8. A number of sliding blocks 10 are arranged on the outer wall of the fixed screw rod 9, and adjusting nuts 11 are rotatably connected at the centers of the sliding blocks 10. The adjusting nuts 11 are threadedly connected to the fixed screw rod 9, and the sliding blocks 10 are slidably connected to the sliding frame 6. A clamping plate 12 is fixedly connected to the bottom of one side of the sliding blocks 10, and a clamping slot 13 is provided on one side of the clamping plate 12. The width of the inner wall of the clamping slot 13 is adapted to the diameter of the bolt body of the fixed expansion bolt 14, and the bolt head diameter of the fixed expansion bolt 14 is larger than the width of the clamping slot 13.

[0025] As an optional technical solution of the utility model, the two transmission screws 2 are equal in length and are symmetrically arranged with each other. The ends of the two transmission screws 2 away from the fixed center plate 1 correspond to the ends of the guide rod 5 away from the fixed center plate 1. The ends of the two transmission screws 2 away from the fixed center plate 1 are fixedly connected with a stopper 7, so that the two sliding frames 6 can slide synchronously towards or away from each other under the drive of the transmission screws 2.

[0026] As an optional technical solution of the present invention, the two sliding frames 6 are symmetrically arranged with the center of the fixed center plate 1 as the symmetry axis, and the length of the fixed screw rod 9 is adapted to the length of the sliding frame 6, so that the sliding range of the sliding block 10 and the clamping plate 12 matches the length of the sliding frame 6.

[0027] As an optional technical solution of the present invention, the rotating head 4 is located at the center of the through hole 3, and the size of the rotating head 4 is smaller than the depth of the through hole 3, so that the rotating head 4 has space to rotate, which is convenient for rotation adjustment.

[0028] As an optional technical solution of the utility model, guide bevels are provided on both sides of the opening of the bayonet 13, and the bottom surface of the clamping plate 12 is coplanar with the bottom surface of the sliding frame 6, so that the clamping plate 12 can be close to the ground. At the same time, the guide bevels can facilitate guiding the fixed expansion bolt 14 into the bayonet 13.

[0029] A road bridge crack repair fixed structure, the working principle is as follows:

[0030] 1) First, drive several fixed expansion bolts 14 into the edges of both sides of the crack;

[0031] 2) Then, by rotating the adjusting nut 11, the positions of the sliding blocks 10 and the clamping plate 12 can be flexibly adjusted so that the bayonet 13 corresponds to the outer wall of the fixed expansion bolt 14;

[0032] 3) Then, the rotating head 4 is rotated to drive the transmission screw 2 to drive the two sliding frames 6 to approach each other, so that the bayonet holes 13 of the two clamping plates 12 are clamped into the fixed expansion bolts 14 to achieve fixation.

[0033] To sum up, the road bridge crack repair fixing structure can flexibly adjust the positions of several sliding blocks 10 and the clamping plate 12 by rotating the adjusting nut 11, so that the bayonet 13 can correspond to different positions to adapt to the different installation spacing and left and right positions of several fixed expansion bolts 14, improve adaptability, and meet different construction conditions. The clamping and fixing method of the bayonet 13 can be used for more convenient installation and clamping. When installing several fixed expansion bolts 14, they can be installed separately, and then clamped with the clamping plate 12 to achieve the purpose of easy installation.

[0034] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A road bridge crack repair fixing structure, characterized by: The invention comprises a fixed central plate (1) and a plurality of fixed expansion bolts (14), wherein the centers of both sides of the fixed central plate (1) are rotatably connected with transmission screws (2), a through hole (3) is provided at the center of the fixed central plate (1), the ends of the two transmission screws (2) close to each other are penetrated into the interior of the through hole (3), the ends of the two transmission screws (2) close to each other are commonly fixedly connected with a rotating head (4), the centers of both sides of the two sides of the fixed central plate (1) are fixedly connected with guide rods (5), the outer walls of the two transmission screws (2) are threadedly connected with sliding frames (6), the two sides of the two sliding frames (6) are respectively slidably connected with the guide rods (5) on both sides, and the two sides of the bottom of the two sides facing each other are fixedly connected. A connecting ear (8) is fixedly connected, and a fixed screw rod (9) is fixedly connected at the centers of the two connecting ears (8). A plurality of sliding blocks (10) are arranged on the outer wall of the fixed screw rod (9). An adjusting nut (11) is rotatably connected at the centers of the plurality of sliding blocks (10). The adjusting nut (11) is threadedly connected to the fixed screw rod (9). The plurality of sliding blocks (10) are slidably connected to the sliding frame (6). A clamping plate (12) is fixedly connected to the bottom of one side of the plurality of sliding blocks (10). A clamping slot (13) is provided on one side of the clamping plate (12). The width of the inner wall of the clamping slot (13) is adapted to the bolt body diameter of the fixed expansion bolt (14). The bolt head diameter of the fixed expansion bolt (14) is larger than the width of the clamping slot (13).

2. A road bridge crack repair fixing structure according to claim 1, characterized in that: The two transmission screws (2) are of equal length and are symmetrically arranged. One end of the two transmission screws (2) away from the fixed center plate (1) corresponds to one end of the guide rod (5) away from the fixed center plate (1). One end of the two transmission screws (2) away from the fixed center plate (1) is fixedly connected to a stopper (7).

3. A road bridge crack repair fixing structure according to claim 2, characterized in that: The two sliding frames (6) are symmetrically arranged with the center of the fixed central plate (1) as the symmetry axis, and the length of the fixed screw rod (9) is adapted to the length of the sliding frame (6).

4. A road bridge crack repair fixing structure according to claim 3, characterized in that: The rotating head (4) is located at the center of the through hole (3), and the size of the rotating head (4) is smaller than the depth of the through hole (3).

5. A road bridge crack repair fixing structure according to claim 4, characterized in that: Both sides of the opening of the bayonet (13) are provided with guiding oblique openings, and the bottom surface of the clamping plate (12) is coplanar with the bottom surface of the sliding frame (6).

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