Temporary cover plate for expansion joint

Abstract

The utility model relates to the technical field of building construction, and discloses an expansion joint temporary cover plate which comprises a fastening assembly and a waterproof assembly, the fastening assembly comprises a threaded sleeve, the two ends of the threaded sleeve are in threaded connection with a first fastening rod and a second fastening rod respectively, and the waterproof assembly comprises a supporting plate, a waterproof pad and a clamping piece. A positioning sleeve is fixed to the middle of the bottom end of the supporting plate and arranged on a positioning rod in the middle of the threaded sleeve in a sleeving mode, a plurality of supporting rods are arranged between the bottom of the supporting plate and the expansion joint and fixedly connected with the bottom of the supporting plate, a waterproof pad is arranged on the supporting plate, and the two ends of the waterproof pad extend upwards to form turned edges respectively. The clamping piece is arranged on the waterproof pad, the two ends of the clamping piece abut against the turnups on the corresponding sides, a protective cover plate is installed on the clamping piece, and the two sides of the protective cover plate are erected on the portions, on the two sides of the top of the expansion joint, of the bridge body pavement. The device is simple in structure, convenient to use and high in practicability, and can be detached after asphalt is laid on a road.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a temporary cover plate for an expansion joint. Background Art

[0002] Bridges will expand and contract due to temperature, which will have a serious impact on the bridge structure. In order to eliminate this effect, expansion joints are usually set on bridges. The expansion joints will expand and contract with the thermal expansion and contraction of the bridge body, thereby reducing the stress on the bridge. When paving asphalt roads, the expansion joints of bridges are often difficult to handle, and oil leakage is serious, which affects construction and quality. Utility Model Content

[0003] In view of this, the purpose of the present invention is to provide a temporary cover for an expansion joint to solve the technical problems pointed out in the above background technology.

[0004] In order to achieve the above-mentioned utility model purpose, the technical solutions adopted are as follows:

[0005] The cam is secured to the bottom of the second support bracket and has a spring which is adapted to engage the first and second support brackets of the second support bracket when the cam is engaged.

[0006] As a further improvement of the present invention, the inner wall of the threaded sleeve is provided with a first thread and a second thread distributed along its axial direction and with opposite thread directions, the first fastening rod is provided with a third thread adapted to the first thread, and the second fastening rod is provided with a fourth thread adapted to the second thread.

[0007] As a further improvement of the present invention, a first pressing plate and a second pressing plate are fixed to the ends of the first tightening rod and the second tightening rod, respectively.

[0008] As a further improvement of the present invention, the clamping part includes a clamping sleeve, a movable rod and a clamping spring. The movable rods are symmetrically arranged at both ends of the clamping sleeve, and one end of the movable rod is slidably arranged in the clamping sleeve. The clamping spring is sleeved on the movable rod, and one end of the clamping spring is fixedly connected to the clamping sleeve, and the other end is fixedly connected to the other end of the movable rod. The other end of the movable rod presses the flange of the waterproof pad against the inner wall of the expansion joint.

[0009] As a further improvement of the present invention, a plurality of U-shaped clips are fixed to the bottom of the protective cover plate, and the U-shaped clips are clamped on the clamping sleeve.

[0010] As a further improvement of the present invention, the top of the protective cover is configured to be arc-shaped.

[0011] The beneficial effects of the utility model are: the utility model provides a temporary expansion joint cover that can be turned over, can be quickly installed, and ensures safety and quality. It has a simple structure, is easy to use, and has strong practicality. After the road is paved with asphalt, it can be removed and then a permanent expansion joint can be installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 for Figure 1 A magnified view of the structure of the middle A section;

[0015] Figure 3 It is a structural diagram of the U-shaped card in the utility model.

[0016] In the figure: 1. Fastening assembly, 11. Threaded sleeve, 12. First fastening rod, 13. Second fastening rod, 14. Positioning rod, 15. First top plate, 16. Second top plate, 2. Waterproof assembly, 21. Support plate, 22. Waterproof pad, 23. Clamping piece, 24. Positioning sleeve, 25. Support rod, 26. Flanging, 27. Clamping sleeve, 28. Movable rod, 29. Clamping spring, 3. Protective cover, 31. U-shaped clip, 4. Bridge body. DETAILED DESCRIPTION

[0017] 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.

[0018] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0019] like Figure 1-2 As shown, a temporary cover for an expansion joint includes a fastening assembly 1 and a waterproof assembly 2 installed in the expansion joint. The fastening assembly 1 includes a threaded sleeve 11, and the two ends of the threaded sleeve 11 are respectively threadedly connected with a first fastening rod 12 and a second fastening rod 13. The ends of the first fastening rod 12 and the second fastening rod 13 are respectively tightened on the inner wall of the expansion joint on the corresponding side. The waterproof assembly 2 includes a support plate 21, a waterproof pad 22 and a clamping member 23. A positioning sleeve 24 is fixed to the middle of the bottom end of the support plate 21. The positioning sleeve 24 is sleeved on the threaded sleeve On the positioning rod 14 in the middle of the tube 11, a plurality of support rods 25 are arranged between the bottom of the support plate 21 and the expansion joint, and the support rods 25 are fixedly connected to the bottom of the support plate 21, and a waterproof pad 22 is provided on the support plate 21, and the two ends of the waterproof pad 22 respectively extend upward with flanges 26, and the clamping member 23 is provided on the waterproof pad 22, and the two ends of the clamping member 23 are tightly pressed against the flanges 26 on the corresponding side, and a protective cover plate 3 is installed on the clamping member 23, and the two sides of the protective cover plate 3 are erected on the bridge body 4 road surface on both sides of the top of the expansion joint.

[0020] The inner wall of the threaded sleeve 11 is provided with a first thread and a second thread distributed along its axial direction and with opposite thread directions. The first fastening rod 12 is provided with a third thread adapted to the first thread. The second fastening rod 13 is provided with a fourth thread adapted to the second thread.

[0021] A first pressing plate 15 and a second pressing plate 16 are fixed to the ends of the first tightening rod 12 and the second tightening rod 13 respectively.

[0022] The clamping member 23 includes a clamping sleeve 27, a movable rod 28 and a clamping spring 29. The movable rods 28 are symmetrically arranged at both ends of the clamping sleeve 27, and one end of the movable rod 28 is slidably arranged in the clamping sleeve 27. The clamping spring 29 is sleeved on the movable rod 28, and one end of the clamping spring 29 is fixedly connected to the clamping sleeve 27, and the other end is fixedly connected to the other end of the movable rod 28. The other end of the movable rod 28 presses the flange 26 of the waterproof pad 22 against the inner wall of the expansion joint.

[0023] like Figure 3As shown, a plurality of U-shaped clips 31 are fixed to the bottom of the protective cover plate 3 , and the U-shaped clips 31 are clamped on the clamping sleeve 27 .

[0024] The top of the protective cover plate 3 is configured to be arc-shaped.

[0025] When the present invention is in use, the fastening assembly 1 is fixed in the expansion joint by adjusting the first fastening rod 12 and the second fastening rod 13 at both ends of the threaded sleeve 11; then the support plate 21 is installed on the expansion joint, and the positioning sleeve 24 is connected to the positioning rod 14; then the waterproof pad 22 is placed on the support plate 21 and fixed by the clamping piece 23, and the protective cover plate 3 is fixed on the clamping sleeve 27 by the U-shaped clamp 31, and the two sides of the protective cover plate 3 are placed on the bridge body 4 road surface on both sides of the top of the expansion joint. The protective cover plate 3 can effectively temporarily seal the expansion joint and waterproof the expansion joint and ensure the stability of the cover plate.

[0026] The present invention does not require bolts to be installed during use, thus avoiding damage to the bridge body and the difficulty of assembly and disassembly. When disassembling, the protective cover 3 is removed, followed by the clamping member 23, the waterproof pad 22, and the support plate 21. The fastening assembly 1 can be removed from the expansion joint by rotating the first fastening rod 12 or the second fastening rod 13.

[0027] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, improvements, component splits, or combinations that fall within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A temporary cover for an expansion joint, characterized by: The cam is secured to a position 400 feet above the ground, and the bridge is secured to a location where the cam is located adjacent to the expansion joint, the bridge having two cams secured thereto. The cams are secured to a location where the cams are located adjacent to the expansion joint, the bridge having two cams secured thereto. The cams are secured to a location where the cams are located adjacent to the expansion joint.

2. The temporary cover for expansion joint according to claim 1, characterized in that: The inner wall of the threaded sleeve is provided with a first thread and a second thread distributed along its axial direction and with opposite thread directions, the first fastening rod is provided with a third thread adapted to the first thread, and the second fastening rod is provided with a fourth thread adapted to the second thread.

3. The temporary expansion joint cover according to claim 2, characterized in that: A first pressing plate and a second pressing plate are fixed to the ends of the first tightening rod and the second tightening rod, respectively.

4. The temporary expansion joint cover according to claim 1, characterized in that: The clamping part includes a clamping sleeve, a movable rod and a clamping spring. The movable rods are symmetrically arranged at both ends of the clamping sleeve, and one end of the movable rod is slidably arranged in the clamping sleeve. The clamping spring is sleeved on the movable rod, and one end of the clamping spring is fixedly connected to the clamping sleeve, and the other end is fixedly connected to the other end of the movable rod. The other end of the movable rod presses the flange of the waterproof pad against the inner wall of the expansion joint.

5. The temporary cover plate for expansion joint according to claim 4, characterized in that: A plurality of U-shaped clips are fixed to the bottom of the protective cover plate, and the U-shaped clips are clamped on the clamping sleeve.

6. The temporary cover for expansion joint according to claim 1, characterized in that: The top of the protective cover is configured to be arc-shaped.

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