Compression-resistant and heat-resistant road and bridge construction waterproof structure

Abstract

The utility model discloses a compression-resistant heat-resistant road and bridge construction waterproof structure which comprises a bridge body and expansion joints, a waterproof mechanism is arranged between the expansion joints and comprises a fixed frame and a movable frame, the fixed frame and the movable frame are each provided with a pressing groove and a pressing rod, each pressing rod is provided with a pressing block and a pressing spring, and a waterproof pad is arranged between the pressing blocks. A fixed plate and a movable plate are arranged on the fixed frame, a tensioning rod is arranged on the movable plate, a tensioning spring is arranged between the movable plate and the fixed plate, spring damping shock absorbers are arranged between the fixed frame and the fixed plate and between the movable frame and the movable plate, and the distance between the fixed frame and the movable frame is adjusted according to the width of the expansion joint. Through cooperation of the tensioning rods and the tensioning springs, the two ends of the fixed plate and the two ends of the movable plate are matched with the width of the expansion joint and are tensioned with the waterproof pad, the waterproof effect is improved, the two ends of the waterproof pad are installed on the pressing blocks, and through cooperation of the pressing rods and the pressing springs, the expansion joint is waterproof.

Description

TECHNICAL FIELD

[0001] The utility model relates to road and bridge construction technical field more specifically, it relates to a compression -resistant heat -resistant road and bridge construction waterproof structure. BACKGROUND

[0002] The expansion joint in road and bridge construction is an important component in bridge and road structure, its main role is to adapt to the deformation of structure caused by temperature change, vehicle load, foundation settlement and other factors, thereby guaranteeing the safety and durability of structure, with the development of science and technology, the waterproof structure with compression -resistant heat -resistant for road and bridge construction has been greatly developed, its development has brought great convenience to people when waterproofing expansion joint, its type and quantity are also increasing with each passing day.

[0003] The utility model discloses a kind of waterproof structures with compression -resistant heat -resistant for road and bridge construction, including building material and expansion joint, the building material side is equipped with sealing groove, rubber pad is connected in the sealing groove inside;Threaded groove is equipped in the side of building material close to oblique gap, threaded rod is connected in the threaded groove inside and penetrates, limit groove is equipped in the side of threaded groove, one end of the threaded rod is connected with extrusion rod, the expansion joint is arranged between building material, this waterproof structure with compression -resistant heat -resistant for road and bridge construction is provided with framework and first spring, rubber pad is easily subjected to more pressure by being slightly convex upward, long time pressure impact can affect the shrinkability of rubber pad, after installing first spring, rubber pad is extruded by external force and will compress first spring to deform, after pressure, first spring loses extrusion and will recover deformation and support rubber pad upward, facilitate to improve compression resistance.

[0004] In existing technology, because many springs are used to support the bottom of rubber pad, so that the structure has hollowing, so that the spring is easy to pierce rubber pad and leak after long extrusion of vehicle on road and bridge surface, thereby reducing the waterproof effect of long-term use, at the same time, the width of expansion joint changes when bridge body thermal expansion and contraction, when waterproof structure does not adapt to the width of expansion joint, affect waterproof effect. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the problems existing in prior art, the utility model provides a compression -resistant heat -resistant road and bridge construction waterproof structure to solve the technical problems that waterproof structure is not pressure -resistant and does not adapt to the width of expansion joint mentioned in background art.

[0007] (II) technical scheme

[0008] To achieve the above object, the utility model provides the following technical scheme: A kind of compression-resistant heat-resistant road and bridge construction waterproof structure, including bridge body, expansion joint is equipped between the bridge body, waterproof mechanism is equipped between the expansion joint, the waterproof mechanism includes fixed frame and moving frame, fixed frame and moving frame are all equipped with compact groove, compact groove is fixed with compact rod inside, compact rod is slidably equipped with compact block, compact spring is equipped between the compact block and compact groove, waterproof pad is equipped between the compact block, fixed plate and moving plate are equipped on the fixed frame, tensioning rod is equipped on the moving plate, the moving plate is slidably arranged in fixed plate by tensioning rod, tensioning spring is equipped between the moving plate and fixed plate, spring damper shock absorber is equipped between the fixed frame and fixed plate and moving frame and moving plate.

[0009] The utility model further provides that the outside of the fixed frame and the moving frame is equipped with mounting block, the bridge body is equipped with mounting groove, and the fixed frame and the moving frame are conveniently mounted on the bridge body.

[0010] The utility model further provides that the moving frame is equipped with sliding plate, the fixed frame is equipped with sliding groove matched with the sliding plate, and the moving frame is conveniently moved on the fixed frame.

[0011] The utility model further provides that the both sides of the sliding groove are equipped with limiting groove, the both sides of the sliding plate are equipped with limiting plate matched with the limiting groove, and the moving direction and position of the sliding plate are limited.

[0012] The utility model further provides that the fixed plate and the moving plate are all equipped with round corner, and the abrasion of the waterproof pad by the fixed plate and the moving plate is reduced.

[0013] The utility model further provides that the compact block is equipped with mounting screw rod, the mounting screw rod is equipped with mounting nut, the waterproof pad is fixed on the compact block by the cooperation of mounting bolt and mounting nut, and the waterproof pad is conveniently mounted on the compact block.

[0014] The utility model further provides that the waterproof pad sequentially includes puncture-proof layer and waterproof layer from top to bottom, and the strength of the waterproof pad is improved.

[0015] The utility model further provides that the waterproof layer side is equipped with polyurethane adhesive layer and wear-resistant layer, and the wear resistance and service life of the waterproof pad are improved.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a compression-resistant heat-resistant road and bridge construction waterproof structure, which has the following beneficial effects:

[0018] 1. The spring damper supports the moving plate and the fixed plate in the vertical direction, the waterproof pad is installed on the pressing block through the cooperation of the mounting screw and the mounting nut, the waterproof pad can be continuously and stably attached to the fixed plate and the moving plate through the cooperation of the pressing rod and the pressing spring, thereby preventing water between the expansion joints.

[0019] 2. According to the width of the expansion joint, the distance between the fixed frame and the moving frame is adjusted through the cooperation of the sliding plate, the sliding groove, the limiting plate and the limiting groove between the fixed frame and the moving frame, and the width of the two ends of the fixed plate and the moving plate is adapted to the width of the expansion joint through the cooperation of the tensioning rod and the tensioning spring, thereby tensioning the waterproof pad and improving the waterproof effect.

[0020] 3. By setting the puncture-proof layer, the waterproof layer, the polyurethane bonding layer and the wear-resistant layer, the strength and wear resistance of the waterproof pad are improved, the product quality is stable and uniform, the paving is convenient, the construction is not affected by the weather, and the construction efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a cooperation structure schematic view of the bridge body and the waterproof mechanism in the utility model;

[0022] Figure 2 It is a whole structure schematic view of the waterproof mechanism in the utility model;

[0023] Figure 3 It is a whole structure schematic view of the waterproof mechanism from another angle in the utility model;

[0024] Figure 4 It is a sectional structure schematic view of the fixed frame and the moving frame in the utility model;

[0025] Figure 5 It is a whole structure schematic view of the waterproof pad in the utility model.

[0026] In the drawing: 1, bridge body; 2, expansion joint; 3, fixed frame; 4, moving frame; 5, pressing groove; 6, pressing rod; 7, pressing block; 8, pressing spring; 9, waterproof pad; 10, fixed plate; 11, moving plate; 12, tensioning rod; 13, tensioning spring; 14, spring damper; 15, mounting block; 16, mounting groove; 17, sliding plate; 18, sliding groove; 19, limiting groove; 20, limiting plate; 21, round corner; 22, mounting screw; 23, mounting nut; 24, puncture-proof layer; 25, waterproof layer; 26, polyurethane bonding layer; 27, wear-resistant layer. DETAILED DESCRIPTION

[0027] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0029] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually relative to the directions shown in the drawings, or relative to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually relative to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned direction words are not used to limit the present invention.

[0030] See also Figures 1-5 A pressure-resistant and heat-resistant waterproof structure for road and bridge construction includes a bridge body 1, expansion joints 2 are provided between the bridge bodies 1, and a waterproof mechanism is provided between the expansion joints 2. The waterproof mechanism includes a fixed frame 3 and a movable frame 4. Both the fixed frame 3 and the movable frame 4 are provided with a pressing groove 5. A pressing rod 6 is fixed in the pressing groove 5. A pressing block 7 is slidably provided on the pressing rod 6. A pressing spring 8 is provided between the pressing block 7 and the pressing groove 5. A waterproof pad 9 is provided between the pressing blocks 7. A fixed plate 10 and a movable plate 11 are provided on the fixed frame 3. A tensioning rod 12 is provided on the movable plate 11. The movable plate 11 is slidably provided on the fixed plate 10 through the tensioning rod 12. A tensioning spring 13 is provided between the movable plate 11 and the fixed plate 10. The fixed frame 3 and the fixed plate 10, and between the mobile frame 4 and the mobile plate 11, a spring damping shock absorber 14 is provided, a mounting block 15 is provided on the outside of the fixed frame 3 and the mobile frame 4, a mounting groove 16 is provided on the bridge body 1, a sliding plate 17 is provided on the mobile frame 4, a sliding groove 18 is provided on the fixed frame 3 to cooperate with the sliding plate 17, and limiting grooves 19 are provided on both sides of the sliding groove 18. Limiting plates 20 that cooperate with the limiting grooves 19 are provided on both sides of the sliding plate 17. Rounded corners 21 are provided on the fixed plate 10 and the mobile plate 11, a mounting screw 22 is provided on the clamping block 7, and a mounting nut 23 is provided on the mounting screw 22. The waterproof pad 9 is fixed to the clamping block 7 by the cooperation of the mounting bolt and the mounting nut 23.

[0031] In the embodiment, in use, the waterproof pad 9 is installed on the tensioning plate through the cooperation of the mounting screw 22 and the mounting nut 23, and the fixed frame 3 and the moving frame 4 are installed on the bridge body 1 through the cooperation of the mounting block 15 and the mounting groove 16. When the waterproof mechanism is vertically vibrated, the spring damping shock absorber 14 is used for damping, at the same time, the compression spring 8 is in a continuous downward compression state, so that the waterproof pad 9 is attached to the fixed frame 3 and the moving frame 4. When the bridge body 1 is thermally expanded or contracted to change the distance between the expansion joints 2, the distance between the fixed frame 3 and the moving frame 4 is adjusted through the cooperation of the sliding plate 17 and the sliding groove 18, the limiting plate 20 and the limiting groove 19. Through the cooperation of the tensioning rod 12 and the tensioning spring 13, the fixed plate 10 and the moving plate 11 are abutted on the inner side of the waterproof pad 9, the waterproof pad 9 is supported, the supporting structure is maintained, the expansion joints 2 are waterproofed, and the round corners 21 are arranged on the fixed plate 10 and the moving plate 11 to prevent the waterproof pad 9 from being abraded when moving on the fixed plate 10 and the moving plate 11.

[0032] Please refer to Figure 5 As an embodiment of the waterproof pad 9, the waterproof pad 9 sequentially comprises a puncture-proof layer 24 and a waterproof layer 25 from top to bottom, and the waterproof layer 25 is provided with a polyurethane adhesive layer 26 and a wear-resistant layer 27 on one side.

[0033] More specifically, the puncture-proof layer 24 is made of geotextile, glass fiber cloth, polyester, nylon or chlorofiber, the waterproof layer 25 is made of polyurethane, polyurethane urea or polyurea, the thickness is 1-9 mm, the wear-resistant layer 27 is made of polyethylene and is pasted through the polyurethane adhesive layer, and the waterproof pad 9 is preformed in a factory to ensure stable and uniform product quality, facilitate paving, is not affected by weather in construction, and improves construction efficiency.

[0034] In summary, in use, the waterproof pad 9 is installed on the tensioning plate through the cooperation of the mounting screw 22 and the mounting nut 23, and the fixed frame 3 and the moving frame 4 are installed on the bridge body 1 through the cooperation of the mounting block 15 and the mounting groove 16. When the waterproof mechanism is vertically vibrated, the spring damping shock absorber 14 is used for damping, at the same time, the compression spring 8 is in a continuous downward compression state, so that the waterproof pad 9 is attached to the fixed frame 3 and the moving frame 4. When the bridge body 1 is thermally expanded or contracted to change the distance between the expansion joints 2, the distance between the fixed frame 3 and the moving frame 4 is adjusted through the cooperation of the sliding plate 17 and the sliding groove 18, the limiting plate 20 and the limiting groove 19. Through the cooperation of the tensioning rod 12 and the tensioning spring 13, the fixed plate 10 and the moving plate 11 are abutted on the inner side of the waterproof pad 9, the waterproof pad 9 is supported, the supporting structure is maintained, the expansion joints 2 are waterproofed, and the round corners 21 are arranged on the fixed plate 10 and the moving plate 11 to prevent the waterproof pad 9 from being abraded when moving on the fixed plate 10 and the moving plate 11.

[0035] The puncture-proof layer 24 is made of geotextile, glass fiber cloth, polyester, nylon or chloroform, the waterproof layer 25 is made of polyurethane, polyurethane urea or polyurea material, the thickness is 1-9mm, the wear-resistant layer 27 is made of polyethylene material and is pasted through a polyurethane adhesive layer, the waterproof pad 9 is preformed in a factory, quality is stable and uniform, paving is convenient, construction is not affected by weather, and construction efficiency is improved.

[0036] Other parts not described in the utility model are all prior art, so they are not described here.

[0037] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection methods, which will not be described one by one. In the above, whenever there is a fixed connection, welding is preferred, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pressure-resistant and heat-resistant waterproof structure for road and bridge construction, comprising a bridge body (1), characterized by: An expansion joint (2) is provided between the bridge bodies (1), and a waterproof mechanism is provided between the expansion joints (2). The waterproof mechanism comprises a fixed frame (3) and a movable frame (4). Both the fixed frame (3) and the movable frame (4) are provided with a pressing groove (5). A pressing rod (6) is fixedly provided in the pressing groove (5), and a pressing block (7) is slidably provided on the pressing rod (6). A pressing spring (8) is provided between the pressing block (7) and the pressing groove (5), and a waterproof mechanism is provided between the pressing blocks (7). A water cushion (9) is provided on the fixed frame (3), a fixed plate (10) and a movable plate (11), a tensioning rod (12) is provided on the movable plate (11), the movable plate (11) is slidably arranged on the fixed plate (10) through the tensioning rod (12), a tensioning spring (13) is provided between the movable plate (11) and the fixed plate (10), and a spring damping shock absorber (14) is provided between the fixed frame (3) and the fixed plate (10) and between the movable frame (4) and the movable plate (11).

2. The pressure-resistant and heat-resistant waterproof structure for road and bridge construction according to claim 1, characterized in that: The outer sides of the fixed frame (3) and the movable frame (4) are provided with mounting blocks (15), and the bridge body (1) is provided with a mounting groove (16).

3. The pressure-resistant and heat-resistant waterproof structure for road and bridge construction according to claim 1 is characterized by: The movable frame (4) is provided with a sliding plate (17), and the fixed frame (3) is provided with a sliding groove (18) matched with the sliding plate (17).

4. The pressure-resistant and heat-resistant waterproof structure for road and bridge construction according to claim 3 is characterized by: Limiting grooves (19) are provided on both sides of the sliding groove (18), and limiting plates (20) that cooperate with the limiting grooves (19) are provided on both sides of the sliding plate (17).

5. The pressure-resistant and heat-resistant waterproof structure for road and bridge construction according to claim 1 is characterized by: The fixed plate (10) and the movable plate (11) are both provided with rounded corners (21).

6. The pressure-resistant and heat-resistant waterproof structure for road and bridge construction according to claim 1, characterized in that: The pressing block (7) is provided with a mounting screw (22), and the mounting screw (22) is provided with a mounting nut (23). The waterproof pad (9) is fixed on the pressing block (7) by the cooperation of the mounting bolt and the mounting nut (23).

7. The pressure-resistant and heat-resistant waterproof structure for road and bridge construction according to claim 1, characterized in that: The waterproof pad (9) comprises, from top to bottom, an anti-puncture layer (24) and a waterproof layer (25).

8. The pressure-resistant and heat-resistant waterproof structure for road and bridge construction according to claim 7, characterized in that: A polyurethane adhesive layer (26) and a wear-resistant layer (27) are provided on one side of the waterproof layer (25).

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