Road and bridge crack repairing and fixing structure

Abstract

The application relates to the technical field of road surface crack repairing, in particular to a road and bridge crack repairing fixing structure, which comprises a road surface, cracks are present on the upper end surface of the road surface, a wave-shaped groove is arranged at the uppermost position of the cracks, a rectangular groove is arranged next to the lower side of the wave-shaped groove, extrusion plates are fixedly connected to the left side surface and the right side surface of the rectangular groove through screws, and one end of an asbestos net is fixedly connected to the front surface of the extrusion plate. The asbestos net fixed in the rectangular groove is used to divide the cracks into a filling layer and a sealing layer, so that the amount of epoxy resin can be saved, the sealing layer can be added above the epoxy resin, the filling layer can be waterproofed to a certain extent, the inner wall of the crack bottom end can be cleaned before the epoxy resin is filled, the adhesion strength of the filling layer is further improved, the stretch rod can be conveniently pulled out and pulled, the stretch rod can be repeatedly used, and cost is saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of road crack repair, in particular to a road and bridge crack repair fixing structure. BACKGROUND

[0002] Road and bridge, generally composed of roadbed, pavement, bridge, tunnel engineering and traffic engineering facilities and so on. Among them, the roadbed engineering: the roadbed is built with soil or stone. It bears the weight of the rock and soil itself and the road surface gravity, as well as the load of the vehicle transmitted by the road surface, is an important part of the whole highway structure. Highway roadbed mainly includes roadbed body, slope, ditch and other auxiliary facilities and so on; the pavement is a layered structure for automobile running on the highway roadbed. Its function is to ensure that the car runs on the road all-weather, stable, high-speed, comfortable, safe and economic; bridge and tunnel engineering: bridge and tunnel engineering is an important part of high-grade highway, which includes bridge, culvert, passageway and tunnel, etc. When the bridge or road appears crack, if it is not repaired in time, the crack will further expand under the action of water vapor or chemicals and vehicle rolling. According to the structure of the crack and the road section, we need to choose different remedial methods, one of which is called dry embedding method, which needs to groove and glue the crack first, and then continuously embed low water-cement ratio mortar. In order to provide a more convenient embedding cement and improve the waterproofness after repair, the present application is proposed.

[0003] INVENTION PATENT CONTENT

[0004] The purpose of the present application is to provide a road and bridge crack repair fixing structure to solve the problems in the background art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a road and bridge crack repair fixing structure includes a road surface, the upper end surface of the road surface has a crack, the crack is provided with a wave-shaped groove at the uppermost position, a rectangular groove is provided next to the lower side of the wave-shaped groove, the left side and the right side of the rectangular groove are fixedly connected with an extrusion plate through screws, one end of an asbestos net is fixedly connected with the front surface of the extrusion plate at the lower position, the other end of the asbestos net is fixedly connected with the outer side surface of a sleeve ring, the sleeve ring is fixedly sleeved on the outer side surface of the lowermost end of a filling pipe, the upper end of the filling pipe is threadedly connected with the lower end of a sleeve, the upper end surface of the sleeve is fixedly provided with a mounting plate, and a stretching rod is movably sleeved in the sleeve.

[0006] Preferably, the mounting plate is slidably provided with a moving plate at the left and right sides of the upper end face through a sliding groove, the mounting plate is fixedly provided with a fixed seat at the leftmost end and the rightmost end, the left side face of the fixed seat is threadedly and throughly provided with a threaded rod, the bottom end of the threaded rod is rotatably connected with the left side face of the moving plate, and the right side face of the moving plate is fixedly provided with a connecting seat, and the connecting seat is rotatably connected with a rotating wheel through a rotating shaft.

[0007] Preferably, the left and right side faces of the stretching rod are provided with sliding rails at the upper end, and the outer side face of the stretching rod is fixedly sleeved with a sponge block at a lower position.

[0008] Preferably, the bottom end of the stretching rod is fixedly connected with the upper end of the guide column, the bottom end of the guide column is fixedly connected with the upper end face of the pressing plate, the bottom end of the pressing plate is fixedly provided with a rubber block, and the rubber block is in an inverted conical shape.

[0009] Preferably, the asbestos net is in a wave shape and seamlessly connects with the sleeve ring, and the back face of the extrusion plate is fixedly provided with a rough surface.

[0010] Preferably, the crack is provided with a filling layer at a lower position of the asbestos net, the rectangular groove is provided with a sealing layer, the inner side wall of the wave-shaped groove is uniformly coated with a glue layer, and a low water-cement ratio mud layer is arranged in the wave-shaped groove cavity.

[0011] Compared with the prior art, the patent has the beneficial effects that:

[0012] 1. The asbestos net fixed in the rectangular groove divides the crack into a filling layer and a sealing layer, so that the amount of epoxy resin can be saved, the sealing layer can be added above the annular resin, and the filling layer can be waterproofed to a certain extent.

[0013] 2. The stretching rod which can be conveniently pulled out and pulled can clean the inner wall before filling the epoxy resin at the bottom end of the crack, further enhancing the adhesion strength of the filling layer, and the stretching rod can be reused, saving costs.

[0014] 3. The structural characteristics of the wave-shaped groove can increase the coating area of the permanent interface adhesive, enhancing the adhesion strength of the low water-cement ratio mud layer above the crack to the road surface. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a preparation stage sectional view of the patent;

[0016] Figure 2 It is a completed overall sectional view of the patent;

[0017] Figure 3 It is a completed overall sectional view of the patent Figure 1An enlarged view of the structure at A;

[0018] Figure 4 For the patent of the present application Figure 1 An enlarged view of the structure at B;

[0019] Figure 5 For the patent of the present application Figure 1 An enlarged view of the structure at C.

[0020] In the figure: 1-pavement, 2-crack, 3-waved groove, 4-rectangular groove, 5-tension rod, 6-sliding rail, 7-mounting plate, 8-sleeve, 9-sliding groove, 10-sponge block, 11-moving plate, 12-sliding block, 13-fixing seat, 14-threaded rod, 15-connecting seat, 16-rotating shaft, 17-rotating wheel, 18-filling pipe, 19-sleeve ring, 20-asbestos net, 21-extruding plate, 22-screw, 23-rough surface, 24-guide column, 25-spring, 26-pressing plate, 27-rubber block, 28-rubber layer, 29-low water-cement ratio mud layer, 30-sealing layer, 31-filling layer. DETAILED DESCRIPTION

[0021] The technical solutions in the patent embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the patent embodiments of the present application. Obviously, the described embodiments are only some of the patent embodiments of the present application, but not all the patent embodiments. Based on the patent embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the patent of the present application.

[0022] Please refer to Figures 1-5The patent application provides a technical scheme: a road and bridge crack repairing and fixing structure, which comprises a road surface 1, a crack 2 is formed on the upper end surface of the road surface 1, a wave-shaped groove 3 is formed at the uppermost position of the crack 2, a rectangular groove 4 is formed next to the lower side of the wave-shaped groove 3, an extrusion plate 21 is fixedly connected to the left side surface and the right side surface of the rectangular groove 4 through a screw 22, one end of an asbestos net 20 is fixedly connected to the front surface of the extrusion plate 21, the other end of the asbestos net 20 is fixedly connected to the outer side surface of a sleeve ring 19, the asbestos net 20 is in a wave shape, and the asbestos net 20 is seamlessly connected to the sleeve ring 19, a rough surface 23 is fixedly arranged on the back surface of the extrusion plate 21, the sleeve ring 19 is fixedly sleeved at the lowermost end of the outer side surface of a filling pipe 18, the upper end of the filling pipe 18 is threadedly connected to the lower end of a sleeve 8, an installation plate 7 is fixedly arranged on the upper end surface of the sleeve 8, a stretching rod 5 is movably sleeved in the sleeve 8, slide rails 6 are formed in the left side surface and the right side surface of the stretching rod 5 at the upper end, a sponge block 10 is fixedly sleeved at the lower position of the outer side surface of the stretching rod 5, the sponge block 10 can pass through the inner diameter of the filling pipe 18, the bottom end of the stretching rod 5 is fixedly connected to the upper end of a guide column 24, the bottom end of the guide column 24 is fixedly connected to the upper end surface of a downward pressing plate 26, a rubber block 27 is fixedly arranged on the bottom end of the downward pressing plate 26, the rubber block 27 is in an inverted conical shape, a moving plate 11 is slidably arranged on the installation plate 7 through a sliding groove 9 and a sliding block 12 at the left side and the right side of the upper end surface of the installation plate 7, a fixed seat 13 is fixedly arranged at the leftmost end and the rightmost end of the installation plate 7, a threaded rod 14 is threadedly and penetratingly arranged on the left side surface of the fixed seat 13, the bottom end of the threaded rod 14 is rotatably connected to the left side surface of the moving plate 11, a connecting seat 15 is fixedly arranged on the right side surface of the moving plate 11, a rotating wheel 17 is rotatably connected to the connecting seat 15 through a rotating shaft 16, a filling layer 31 is arranged at the lower position of the asbestos net 20, a sealing layer is arranged in the rectangular groove 4, a glue layer 28 is uniformly coated on the inner side wall of the wave-shaped groove 3, and a low water-cement ratio mud layer is arranged in the inner cavity of the wave-shaped groove 3.

[0023] Working principle: first we find the crack 2 on the road 1, then first in the upper end of the crack 2 open a 25mm wide, depth of 35mm groove, then the groove above 25mm left and right side wall slot out toothed wave groove 3, below leave 10mm rectangular groove 4, along the crack 2 multi segment line groove, then fill the pipe 18 into the rectangular groove 4, the filling pipe 18 below the sleeve 19 place the extrusion plate 21 is fixed on the inner wall of the rectangular groove 4 through the screw 22, the rough surface 23 of the extrusion plate 21 and the inner wall of the rectangular groove 4 is engaged, and the asbestos net 20 is stretched, the filling pipe 18 is fixed along the rectangular groove 4 one after another, if necessary, the adjacent asbestos net 20 can be stacked together, to ensure that there is no gap between the asbestos net 20, immediately above the asbestos net 20 pouring concrete, remember not to let the concrete exceed the upper end of the filling pipe 18 and contact with the sleeve 8, form a sealing layer 30, after the sealing layer 30 is made, we pull the stretching rod 5, the sponge block 10 below the stretching rod 5 will clean the side wall of the crack 2, in the process of our pressing, the rubber block 27 at the bottom end of the stretching rod 5 can play a buffering role under the action of the spring 25 and the guide column 24, so that we know in advance that the stretching rod 5 has reached the bottom end of the crack 2, and we do not need to continue to press the stretching rod 5, then use the wrench to rotate the threaded rod 14, let the rotating wheel 17 leave the slide rail 6 of the stretching rod 5, first take out the stretching rod 5, then take off the sleeve 8 from the filling pipe 18, then fill the epoxy resin through the filling pipe 18, form a filling layer 31 below the asbestos net 20, then evenly coat the permanent interface adhesive on the inner wall of the wave groove 3, then continuously embed the low water cement ratio mud in the wave groove 3, form a low water cement ratio mud layer 29, after the low water cement ratio mud layer 29 is dried, the whole repair work is completed, the sleeve 8 and the stretching rod 5 can be reused, and the filling pipe 18 is left in the crack 2. The asbestos net 20 fixed in the rectangular groove 4 divides the crack 2 into the filling layer 31 and the sealing layer 30, which not only saves the amount of epoxy resin, but also adds the sealing layer 30 above the annular resin, and can waterproof the filling layer 31 to a certain extent; the stretching rod 5 which can be easily pulled out and pulled can clean the inner wall before filling the epoxy resin at the bottom end of the crack 2, further enhancing the adhesion strength of the filling layer 31, and the stretching rod 5 can be reused, saving cost; the structure of the wave groove 3 can increase the coating area of the permanent interface adhesive, and enhance the adhesion strength of the low water cement ratio mud layer 29 above the crack 2 and the road 1.

[0024] Although embodiments of the present patent have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present patent, and the scope of the present patent is defined by the appended claims and their equivalents.

Claims

1. A road bridge crack repair fixing structure, comprising a pavement (1), the upper end face of the pavement (1) has a crack (2), the crack (2) is provided with a wave-shaped groove (3) at the uppermost position, a rectangular groove (4) is provided immediately below the wave-shaped groove (3), the left side face and the right side face of the rectangular groove (4) are fixedly connected with an extrusion plate (21) through a screw (22), one end of an asbestos net (20) is fixedly connected with the front face of the extrusion plate (21) at a lower position, the other end of the asbestos net (20) is fixedly connected with the outer side face of a sleeve ring (19), the sleeve ring (19) is fixedly sleeved at the outer side face of a filling pipe (18) at the lowermost position, the upper end port of the filling pipe (18) is threadedly connected with the lower end port of a sleeve (8), the upper end face of the sleeve (8) is fixedly provided with a mounting plate (7), and the inside of the sleeve (8) movably sleeves a stretching rod (5); the mounting plate (7) is slidably provided with a moving plate (11) through a sliding groove (9) and a sliding block (12) at the left side and the right side of the upper end face, the mounting plate (7) is fixedly provided with a fixing seat (13) at the leftmost end and the rightmost end, the left side face of the fixing seat (13) is threadedly and penetratingly provided with a threaded rod (14), the bottom end of the threaded rod (14) is rotatably connected with the left side face of the moving plate (11), the right side face of the moving plate (11) is fixedly provided with a connecting seat (15), and the connecting seat (15) is rotatably connected with a rotating wheel (17) through a rotating shaft (16); the left side face and the right side face of the stretching rod (5) are provided with a sliding rail (6) at the upper end, and a sponge block (10) is fixedly sleeved at the lower position of the outer side face of the stretching rod (5), and the sponge block (10) can pass through the inner diameter of the filling pipe (18).

2. The road and bridge crack repairing and fixing structure according to claim 1, characterized in that: The bottom end of the stretching rod (5) is fixedly connected with the upper end of a guide column (24), the bottom end of the guide column (24) is fixedly connected with the upper end face of a downward pressing plate (26), and the bottom end of the downward pressing plate (26) is fixedly provided with a rubber block (27) in an inverted conical shape.

3. The road bridge crack repairing and fastening structure as claimed in claim 1 wherein: The asbestos net (20) is in a wave shape and seamlessly connects with the sleeve ring (19), and the back face of the extrusion plate (21) is fixedly provided with a rough surface (23).

4. The road bridge crack repairing and fastening structure as claimed in claim 1 wherein: The crack (2) is provided with a filling layer (31) at a lower position of the asbestos net (20), the rectangular groove (4) is provided with a sealing layer, the inner side wall of the wave-shaped groove (3) is uniformly coated with a glue layer (28), and a low water-cement ratio mud layer is arranged in the inner cavity of the wave-shaped groove (3).

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