Telescopic device for bridge construction

Abstract

The utility model relates to the technical field of bridge building, in particular to a bridge building telescopic device which comprises a first connecting plate, and a plurality of first connecting grooves are formed in the back face of the first connecting plate. Through the arrangement of the first connecting plate, the first connecting block, the second connecting plate, the second connecting block, the supporting assembly, the elastic assembly and the collecting assembly, the thermal expansion and cold contraction of the bridge body can be met through the cooperation among the first connecting plate, the first connecting block, the second connecting plate and the second connecting block during use; according to the sewage treatment device, sewage can be conveniently filtered and collected through cooperation of a collecting box, a filter screen and a cleaning plate, the collecting box can work better through cooperation of a hollow column, an extension column and a telescopic spring, then a first connecting plate and a second connecting plate can be detached through connecting bolts, and water in the collecting box can be conveniently cleaned through the cleaning plate; and meanwhile, the filter screen can be conveniently cleaned, and the effect of improving the working efficiency is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to an expansion device for bridge construction. Background Technique

[0002] The bridge expansion device refers to an expansion device usually arranged between two beam ends, between a beam end and an abutment or at the hinged position of a bridge to meet the requirements of bridge deck deformation. It is required that the expansion device can freely expand and contract in two directions parallel and perpendicular to the bridge axis, be firm and reliable, and an expansion device is often used in the process of bridge construction.

[0003] However, the existing expansion device has weak practical functions, is difficult to meet the thermal expansion and contraction of the bridge itself during use, and is also difficult to filter and collect sewage, which is not convenient for subsequent cleaning, resulting in poor practicability of the device. Moreover, the existing expansion device has poor positioning effect, and it is difficult to initially fix the position of the device during use, resulting in the deviation of the device position during the concrete pouring process and affecting the installation quality. Content of the Utility Model

[0004] The purpose of the utility model is to provide an expansion device for bridge construction to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An expansion device for bridge construction includes a first connecting plate. A plurality of first connecting grooves are opened on the back surface of the first connecting plate. A first connecting block is fixedly connected to one side of the back surface of the first connecting plate close to the connecting groove. A second connecting plate is meshed on the surface of the first connecting block. A second connecting block is meshed in the first connecting groove. One end of the second connecting block is fixedly connected to one side of the surface of the second connecting plate close to the first connecting block. Support assemblies are opened on one side of the tops of the first connecting plate and the second connecting plate. A plurality of fixing grooves are opened on one side of the top surface of the support assembly. A positioning assembly is slidably connected in the fixing grooves. An elastic assembly is fixedly connected to the bottom end of the support assembly. A collecting assembly is fixedly connected to the top end of the elastic assembly.

[0007] Preferably, the support assembly includes a connecting bolt. The middle part of the surface of the connecting bolt is threadedly connected to one side of the top end of the first connecting plate. The bottom end of the connecting bolt is threadedly connected to a support plate. A rectangular groove is opened on one side of the support plate.

[0008] Preferably, the positioning assembly includes a positioning column. One side of the positioning column is slidably connected in the fixing groove. A plurality of fixing holes are opened at the top end of the positioning column. A fixing bolt is threadedly connected in the fixing holes. One end of the positioning column is fixedly connected to a positioning plate.

[0009] Preferably, the elastic component includes a hollow column, the bottom end of the hollow column is fixedly connected to the inner bottom wall of the rectangular groove, an extension column is slidably connected inside the hollow column, and a telescopic spring is sleeved on the surface of the hollow column.

[0010] Preferably, the collection component protects the collection box, one side of the bottom end of the collection box is fixedly connected to the top end of the extension column, several cleaning plates are fixedly connected to one side of the inner wall of the collection box, and filter nets are fixedly connected to the bottom ends on both sides of the cleaning plates.

[0011] Preferably, several round holes are formed in one side of the top end of the support plate, and the top end of the surface of the fixing bolt is threadedly connected inside the round holes.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. For this telescopic device for bridge construction, through the settings of the first connecting plate, the first connecting block, the second connecting plate, the second connecting block, the support component, the elastic component and the collection component, during use, the cooperation between the first connecting plate, the first connecting block, the second connecting plate and the second connecting block can meet the thermal expansion and contraction of the bridge body itself. The collection box, the filter net and the cleaning plate are cooperated to facilitate the filtering and collection of sewage. The cooperation between the hollow column, the extension column and the telescopic spring enables the collection box to work better. Then, the connecting bolts can be used to disassemble the first connecting plate and the second connecting plate, which is convenient for cleaning the water in the collection box by using the cleaning plate, and also convenient for cleaning the filter net, achieving the effect of improving work efficiency.

[0014] 2. For this telescopic device for bridge construction, through the setting of the positioning component, during use, after the device is placed at the designated position, the positioning column can be pulled out from the support plate to an appropriate position by using the positioning plate, so that the positioning plate contacts the bridge body and the position of the positioning plate is fixed by using the fixing bolt in cooperation with the support plate. Then, the above operation is performed on another positioning plate, and the position of the device is initially fixed by using the positioning plate in cooperation with the bridge body, and then concrete pouring is carried out, achieving the effect of improving the installation quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall schematic diagram of the present utility model;

[0016] Figure 2 is the schematic diagram of the support component of the present utility model;

[0017] Figure 3 is the schematic diagram of the elastic component and the filtering component of the present utility model;

[0018] Figure 4 is the schematic diagram of the positioning component of the present utility model.

[0019] In the figure: 1. First connecting plate; 2. First connecting block; 3. Second connecting plate; 4. Second connecting block; 5. Support assembly; 501. Connecting bolt; 502. Support plate; 6. Positioning assembly; 601. Positioning column; 602. Fixing bolt; 603. Positioning plate; 7. Elastic assembly; 701. Hollow column; 702. Extension column; 703. Telescopic spring; 8. Collection assembly; 801. Collection box; 802. Cleaning plate; 803. Filter screen. Specific implementation manner

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-4 As shown, a technical solution provided by the present invention:

[0022] A telescopic device for bridge erection, including a first connecting plate 1. A plurality of first connecting grooves are provided on the back surface of the first connecting plate 1. A first connecting block 2 is fixedly connected to one side of the back surface of the first connecting plate 1 close to the connecting groove. A second connecting plate 3 is meshed on the surface of the first connecting block 2. A second connecting block 4 is meshed inside the first connecting groove. One end of the second connecting block 4 is fixedly connected to one side of the surface of the second connecting plate 3 close to the first connecting block 2. Threaded connections are provided on one side of the tops of the first connecting plate 1 and the second connecting plate 3 with a support assembly 5. A plurality of fixing grooves are provided on one side of the top surface of the support assembly 5. A positioning assembly 6 is slidably connected inside the fixing grooves. The bottom end of the support assembly 5 is fixedly connected to an elastic assembly 7. The top end of the elastic assembly 7 is fixedly connected to a collection assembly 8;

[0023] In this embodiment, preferably, the support assembly 5 includes a connecting bolt 501. The middle part of the surface of the connecting bolt 501 is threadedly connected to one side of the top of the first connecting plate 1. The bottom end of the connecting bolt 501 is threadedly connected to a support plate 502. A rectangular groove is provided on one side of the support plate 502. Through the setting of the support assembly 5, during use, the connecting bolt 501 can be used to disassemble the first connecting plate 1 and the second connecting plate 3, achieving the effect of facilitating cleaning;

[0024] In this embodiment, preferably, the positioning component 6 includes a positioning column 601. One side of the positioning column 601 is slidably connected to the inside of the fixing groove. A plurality of fixing holes are provided at the top end of the positioning column 601. A fixing bolt 602 is threadedly connected to the inside of the fixing hole. One end of the positioning column 601 is fixedly connected to a positioning plate 603. Through the setting of the positioning component 6, when in use, after placing the device at a specified position, the positioning plate 603 is used to pull the positioning column 601 out of the support plate 502 to a proper position, so that the positioning plate 603 contacts the bridge body. The position of the positioning plate 603 is fixed by using the fixing bolt 602 in cooperation with the support plate 502. Then, the above operation is performed on the other positioning plate 603. The position of the device is preliminarily fixed by using the positioning plate 603 in cooperation with the bridge body. Then, concrete pouring is carried out, achieving the effect of improving the installation quality;

[0025] In this embodiment, preferably, the elastic component 7 includes a hollow column 701. The bottom end of the hollow column 701 is fixedly connected to the inner bottom wall of the rectangular groove. An extension column 702 is slidably connected to the inside of the hollow column 701. A telescopic spring 703 is sleeved on the surface of the hollow column 701. Through the setting of the elastic component 7, when in use, the collection box 801 can work better by the cooperation among the hollow column 701, the extension column 702 and the telescopic spring 703, achieving the effect of improving the collection quality;

[0026] In this embodiment, preferably, the collection component 8 includes a collection box 801. One side of the bottom end of the collection box 801 is fixedly connected to the top end of the extension column 702. A plurality of cleaning plates 802 are fixedly connected to one side of the inner wall of the collection box 801. Filter meshes 803 are fixedly connected to the bottom ends on both sides of the cleaning plates 802. Through the setting of the collection component 8, when in use, the collection box 801, the filter meshes 803 and the cleaning plates 802 are used to facilitate the filtration and collection of sewage, achieving the effect of improving the cleaning efficiency;

[0027] In this embodiment, preferably, a plurality of round holes are provided on one side of the top end of the support plate 502, and the inside of the round holes is threadedly connected to the top end of the surface of the fixing bolt 602.

[0028] When a telescopic device for bridge erection in this embodiment is in use, after placing the device at a designated position, the positioning column 601 is pulled out of the support plate 502 to an appropriate position by using the positioning plate 603. The positioning plate 603 is made to contact the bridge body, and the position of the positioning plate 603 is fixed by using the fixing bolt 602 in cooperation with the support plate 502. Then, the other positioning plate 603 is operated according to the above operation, and the position of the device is preliminarily fixed by using the positioning plate 603 in cooperation with the bridge body. Then, concrete pouring is carried out. The cooperation between the first connecting plate 1, the first connecting block 2, the second connecting plate 3, and the second connecting block 4 can meet the thermal expansion and contraction of the bridge body itself. The cooperation with the collection box 801, the filter screen 803, and the cleaning plate 802 facilitates the filtering and collection of sewage. The cooperation between the hollow column 701, the extension column 702, and the telescopic spring 703 enables the collection box 801 to work better. Then, the first connecting plate 1 and the second connecting plate 3 can be disassembled by using the connecting bolt 501, which is convenient for using the cleaning plate 802 to clean the water in the collection box 801 and also convenient for cleaning the filter screen 803.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and all these changes and improvements fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An expansion device for bridge construction, comprising a first connecting plate (1), characterized in that: On the back surface of the first connecting plate (1), a plurality of first connecting grooves are provided. On one side of the back surface of the first connecting plate (1) close to the connecting grooves, a first connecting block (2) is fixedly connected. The surface of the first connecting block (2) meshes with a second connecting plate (3), and a second connecting block (4) meshes inside the first connecting groove. One end of the second connecting block (4) is fixedly connected to one side of the surface of the second connecting plate (3) close to the first connecting block (2). On one side of the tops of the first connecting plate (1) and the second connecting plate (3), a support assembly (5) is threadedly connected. On one side of the top surface of the support assembly (5), a plurality of fixing grooves are provided. Inside the fixing grooves, a positioning assembly (6) is slidably connected. At the bottom end of the support assembly (5), an elastic assembly (7) is fixedly connected. At the top end of the elastic assembly (7), a collection assembly (8) is fixedly connected.

2. The telescopic device for bridge erection according to claim 1, characterized in that: The support assembly (5) includes a connecting bolt (501). The middle part of the surface of the connecting bolt (501) is threadedly connected to one side of the top end of the first connecting plate (1). The bottom end of the connecting bolt (501) is threadedly connected to a support plate (502). On one side of the support plate (502), a rectangular groove is provided.

3. The telescopic device for bridge construction according to claim 1, characterized in that: The positioning assembly (6) includes a positioning post (601). One side of the positioning post (601) is slidably connected inside the fixing groove. On the top end of the positioning post (601), a plurality of fixing holes are provided. Inside the fixing holes, a fixing bolt (602) is threadedly connected. One end of the positioning post (601) is fixedly connected to a positioning plate (603).

4. A telescopic device for bridge construction according to claim 1, characterized in that: The elastic assembly (7) includes a hollow column (701). The bottom end of the hollow column (701) is fixedly connected to the inner bottom wall of the rectangular groove. Inside the hollow column (701), an extension column (702) is slidably connected. A telescopic spring (703) is sleeved on the surface of the hollow column (701).

5. A telescopic device for bridge construction according to claim 1, characterized in that: The collection assembly (8) protects a collection box (801). One side of the bottom end of the collection box (801) is fixedly connected to the top end of the extension column (702). On one side of the inner wall of the collection box (801), a plurality of cleaning plates (802) are fixedly connected. At the bottom ends of both sides of the cleaning plate (802), filter meshes (803) are fixedly connected.

6. The telescopic device for bridge erection according to claim 2, characterized in that: On one side of the top end of the support plate (502), a plurality of round holes are provided. Inside the round holes, the surface of the top end of the fixing bolt (602) is threadedly connected.

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