Cofferdam device for highway bridge construction

Abstract

The utility model relates to the technical field of underwater construction, and discloses a highway bridge construction cofferdam device which comprises a base, a mounting frame, a sealing plate, a rotating supporting arm, a splicing assembly and a fixing assembly. The frame of the cofferdam is quickly assembled through the arrangement of the assembly type mounting frame, and meanwhile, the multiple groups of mutually-spliced sealing plates are sealed and assembled in the frame, so that the cofferdam is quickly assembled, and the practicability of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of underwater construction, in particular to a cofferdam device for highway bridge construction. Background Art

[0002] A cofferdam refers to a temporary retaining structure built for the construction of permanent water conservancy facilities during water conservancy project construction. Its function is to prevent water and soil from entering the construction site of the building so that drainage can be carried out within the cofferdam, foundation pits can be excavated, and buildings can be constructed. It is generally used in hydraulic structures, and the height of the cofferdam is higher than the highest water level that may occur during the construction period.

[0003] There are many types of cofferdams, among which steel sheet piles are the most common type. Steel sheet piles are usually installed by on-site welding and then inserted into the water. However, due to the long length of steel sheet piles, on-site welding takes a lot of time, which makes the cofferdam project take a long time, making it difficult to complete the cofferdam project efficiently, thereby extending the overall construction period of the highway bridge project, which is not conducive to the progress of the project construction. Utility Model Content

[0004] The purpose of the utility model is to provide a cofferdam device for highway bridge construction to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A highway bridge construction cofferdam device comprises a base, a mounting frame, a sealing plate, a rotating support arm, a splicing assembly, and a fixing assembly;

[0007] The mounting bracket is fixedly connected to the base, and mounting sealing grooves are provided on both sides of the inner wall of the mounting bracket. A bottom sealing groove is provided at the bottom of the mounting bracket. The sealing plates are provided with multiple groups, and mounting sliders are fixedly connected on both sides of the multiple groups of sealing plates. The mounting sliders are slidably installed in the mounting sealing grooves. A splicing sealing block is fixedly connected to the bottom of the sealing plate, and a splicing sealing groove is provided on the top of the sealing plate. The splicing sealing block and the splicing sealing groove are spliced ​​with each other, and the splicing sealing block and the bottom sealing groove are slidably connected to each other, and one end of the rotating support arm is rotatably connected to the mounting bracket;

[0008] The splicing components are installed on both sides of the mounting frame and are used to perform splicing and sealing between the connected mounting frames;

[0009] The fixing assembly is fixedly connected to the other end of the rotating support arm and is used to position and fix one end of the rotating support arm.

[0010] As a further solution of the present invention: a bottom plug plate is fixedly connected to the bottom of the base.

[0011] As a further solution of the present invention: a fixing seat is fixedly connected to the inner side of the base, and a first positioning pin is slidably connected to the inside of the fixing seat.

[0012] As a further solution of the present invention: a reinforcing rod is fixedly connected to the inner side of the mounting frame.

[0013] As a further solution of the present invention: the splicing assembly includes an assembly slot, an assembly connection block, and a right-angle connection column;

[0014] The assembly slot is fixedly connected to one side of the mounting frame, and the assembly connection block is fixedly connected to the other side of the mounting frame;

[0015] One side of the right-angle connecting column is fixedly connected to an assembly groove, the other side of the right-angle connecting column is fixedly connected to an assembly connection block, and the bottom of the right-angle connecting column is fixedly connected to a support pin;

[0016] The assembly groove and the assembly connection block are slidably connected to each other.

[0017] As a further solution of the present invention: the fixing assembly includes a movable seat rotatably connected to the other end of the rotating support arm, and a second positioning pin is slidably connected in the movable seat.

[0018] Compared with the existing technology, the beneficial effects of the present invention are: the present invention quickly assembles the frame of the cofferdam through the setting of an assembled mounting frame, and at the same time performs sealed assembly within the frame through multiple groups of sealing plates spliced ​​together, thereby realizing rapid assembly of the cofferdam and improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a structural schematic diagram of a highway bridge construction cofferdam device.

[0020] Figure 2 The utility model is a structural schematic diagram of a mounting frame in a cofferdam device for highway bridge construction.

[0021] Figure 3 The utility model is a structural schematic diagram of a sealing plate in a cofferdam device for highway bridge construction.

[0022] Figure 4 The utility model is a schematic structural diagram of a right-angle connecting column in a cofferdam device for highway bridge construction.

[0023] In the figure: 1-base, 2-bottom plug-in plate, 3-mounting frame, 4-bottom sealing groove, 5-mounting sealing groove, 6-fixed seat, 7-first positioning nail, 8-rotating support arm, 9-movable seat, 10-second positioning nail, 11-sealing plate, 12-mounting slider, 13-splicing sealing groove, 14-splicing sealing block, 15-reinforcement rod, 16-assembly groove, 17-assembly connecting block, 18-right-angle connecting column, 19-support pin. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See Figures 1 to 4 In an embodiment of the utility model, a highway bridge construction cofferdam device includes a base 1, a mounting frame 3, a sealing plate 11, a rotating support arm 8, a splicing assembly, and a fixing assembly;

[0026] The mounting bracket 3 is fixedly connected to the base 1, and mounting sealing grooves 5 are provided on both sides of the inner wall of the mounting bracket 3. A bottom sealing groove 4 is provided at the bottom of the mounting bracket 3. The sealing plate 11 is provided with multiple groups, and mounting sliders 12 are fixedly connected on both sides of the multiple groups of sealing plates 11. The mounting sliders 12 are slidably installed in the mounting sealing groove 5. A splicing sealing block 14 is fixedly connected to the bottom of the sealing plate 11, and a splicing sealing groove 13 is provided on the top of the sealing plate 11. The splicing sealing block 14 and the splicing sealing groove 13 are spliced ​​with each other, and the splicing sealing block 14 and the bottom sealing groove 4 are slidably connected to each other. One end of the rotating support arm 8 is rotatably connected to the mounting bracket 3; the splicing components are installed on both sides of the mounting bracket 3 for splicing and sealing the connected mounting brackets 3; the fixing component is fixedly connected to the other end of the rotating support arm 8 for positioning and fixing one end of the rotating support arm 8;

[0027] After the jack is in the water, the jack is in the water.When assembling, the base 1 is first installed to the bottom of the water, and the base 1 is inserted into the riverbed soil layer, and the mounting frame 3 is fixedly installed by the base 1. Then, the rotating support arm 8 is rotated and adjusted, so that the relative position of the fixing component can be adjusted according to the different underwater environments, and the fixing component is fixedly installed in the riverbed soil layer. At this time, the mounting frame 3 can be supported and fixed by the mutual cooperation of the fixing component and the rotating support arm 8. Then, the mounting slider 12 can be inserted into the mounting sealing groove 5, and then the sealing plate 11 can be installed in the mounting frame 3. At this time, the sealing plate 11 and the base 1 can be sealed by sliding the splicing sealing block 14 and the bottom sealing groove 4. Then, multiple groups of sealing plates 11 are installed in the mounting frame 3 in turn, and the sealing blocks 14 and the splicing sealing grooves 13 are spliced ​​with each other to seal the sealing plates 11, thereby realizing the installation and fixation of the sealing plates 11. Then, multiple groups of equipment are spliced ​​with each other through the splicing components to form a cofferdam.

[0028] In one embodiment of the present invention, see Figures 1 to 4 The bottom of the base 1 is fixedly connected to a bottom plug-in plate 2. When the utility model is installed, the bottom plug-in plate 2 can be inserted into the ground. When the base 1 is fixedly connected to the base 1, the bottom plug-in plate 2 is used to seal the base 1 and the ground.

[0029] In one embodiment of the present invention, see Figures 1 to 4 The base 1 is fixedly connected to a fixing seat 6 on the inner side, and a first positioning nail 7 is slidably connected to the fixing seat 6. The utility model can insert the first positioning nail 7 into the fixing seat 6 and insert it into the ground through the fixing seat 6, so that the fixing seat 6 is fixed to the ground through the first positioning nail 7, and then the base 1 is fixedly connected to the ground through the fixing seat 6.

[0030] In one embodiment of this invention, see Figures 1 to 4 A reinforcing rod 15 is fixedly connected to the inner side of the mounting frame 3. The present invention improves the structural strength of the mounting frame 3 and the supporting stability of the mounting frame 3 on the sealing plate 11 by setting the reinforcing rod 15.

[0031] In one embodiment of the present invention, see Figures 1 to 4 The splicing assembly includes an assembly groove 16, an assembly connection block 17, and a right-angle connection column 18; the assembly groove 16 is fixedly connected to one side of the mounting frame 3, and the assembly connection block 17 is fixedly connected to the other side of the mounting frame 3; one side of the right-angle connection column 18 is fixedly connected to the assembly groove 16, and the other side of the right-angle connection column 18 is fixedly connected to the assembly connection block 17, and the bottom of the right-angle connection column 18 is fixedly connected to a support pin 19; the assembly groove 16 and the assembly connection block 17 are slidably connected to each other;

[0032] The splicing assembly is first assembled and sealed between two adjacent groups of mounting frames 3 through the sliding connection of the assembly groove 16 and the assembly connecting block 17. The mounting frame 3 and the right-angle connecting column 18 can also be sealed through the sliding connection of the assembly groove 16 and the assembly connecting block 17. During installation, the support pin 19 can be driven by the right-angle connecting column 18 to be inserted into the ground, thereby installing the right-angle connecting column 18 on the ground.

[0033] In one embodiment of the present invention, see Figures 1 to 4 The fixing component includes a moving seat 9 rotatably connected to the other end of the rotating support arm 8, and a second positioning nail 10 is slidably connected in the moving seat 9. The fixing component first adjusts the support point of the rotating support arm 8 through the setting of the moving seat 9. When the rotating support arm 8 is adjusted, the second positioning nail 10 is inserted into the ground through the moving seat 9, thereby fixing the moving seat 9 on the ground, and then fixing the support point of the rotating support arm 8.

[0034] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from all points of view, the embodiments should be regarded as illustrative and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and range of equivalents of the claims be included in the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A cofferdam device for highway bridge construction, characterized in that: It includes a base, a mounting frame, a sealing plate, a rotating support arm, a splicing component, and a fixing component; The mounting bracket is fixedly connected to the base, and mounting sealing grooves are provided on both sides of the inner wall of the mounting bracket. A bottom sealing groove is provided at the bottom of the mounting bracket. The sealing plates are provided with multiple groups, and mounting sliders are fixedly connected on both sides of the multiple groups of sealing plates. The mounting sliders are slidably installed in the mounting sealing grooves. A splicing sealing block is fixedly connected to the bottom of the sealing plate, and a splicing sealing groove is provided on the top of the sealing plate. The splicing sealing block and the splicing sealing groove are spliced ​​with each other, and the splicing sealing block and the bottom sealing groove are slidably connected to each other, and one end of the rotating support arm is rotatably connected to the mounting bracket; The splicing components are installed on both sides of the mounting frame and are used to perform splicing and sealing between the connected mounting frames; The splicing assembly includes an assembly slot, an assembly connection block, and a right-angle connection column; The assembly slot is fixedly connected to one side of the mounting frame, and the assembly connection block is fixedly connected to the other side of the mounting frame; One side of the right-angle connecting column is fixedly connected to an assembly groove, the other side of the right-angle connecting column is fixedly connected to an assembly connection block, and the bottom of the right-angle connecting column is fixedly connected to a support pin; The assembly groove and the assembly connection block are slidably connected to each other; The fixing assembly is fixedly connected to the other end of the rotating support arm and is used to position and fix one end of the rotating support arm.

2. A highway bridge construction cofferdam device according to claim 1, characterized in that: A bottom plug plate is fixedly connected to the bottom of the base.

3. A highway bridge construction cofferdam device according to claim 1, characterized in that: A fixing seat is fixedly connected to the inner side of the base, and a first positioning pin is slidably connected in the fixing seat.

4. A highway bridge construction cofferdam device according to claim 1, characterized in that: A reinforcing rod is fixedly connected to the inner side of the mounting frame.

5. A highway bridge construction cofferdam device according to claim 1, characterized in that: The fixing assembly includes a moving seat rotatably connected to the other end of the rotating support arm, and a second positioning pin is slidably connected in the moving seat.

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