Detachable cofferdam

Abstract

The utility model relates to the technical field of cofferdams, in particular to a detachable cofferdam which comprises a first cofferdam plate, a second cofferdam plate is arranged on the left side of the first cofferdam plate, and clamping grooves are formed in the left side face of the first cofferdam plate and the left side face of the second cofferdam plate correspondingly. The right side face of the first cofferdam plate and the right side face of the second cofferdam plate are both fixedly connected with clamping strips matched with the clamping grooves, and the front face of the first cofferdam plate and the front face of the second cofferdam plate are both fixedly connected with a set of first bent plates. Threaded connection between the first bent plate and the second bent plate is relieved by rotating the threaded positioning rod, positioning of the first cofferdam plate and the second cofferdam plate in the vertical direction is relieved, the first cofferdam plate and the second cofferdam plate can slide up and down, limiting of the first bent plate and the second bent plate can be relieved after the inserting plate is moved out of the inserting opening, and therefore the cofferdam plate and the second cofferdam plate can slide up and down. And the first cofferdam plate and the second cofferdam plate can slide in the left-right direction, so that the first cofferdam plate and the second cofferdam plate can be quickly detached and separated, and the detaching difficulty is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of cofferdams, and in particular to a detachable cofferdam. 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. Except as part of a formal building, the cofferdam is generally dismantled after use. The height of the cofferdam is higher than the highest water level that may occur during the construction period.

[0003] Through searching, Chinese patent announcement number CN220538686U discloses a detachable cofferdam, including a cofferdam frame, a base is provided at the bottom of the cofferdam frame, and a fixed block is fixedly connected to the outer surface of the cofferdam frame, a positioning plate is provided on one side of the fixed block, a movable groove is provided in the positioning plate, a moving block is nested and slidably connected in the movable groove, and a fixing spring is connected between the inner wall of the movable groove and the outer surface of the moving block, the outer surface of the moving block away from the fixing spring is fixedly connected to the positioning block, and the outer surface of the moving block is fixedly connected to the same side as the fixing spring with a traction rope, and a fixing groove is provided in the positioning plate. In the present utility model, the positioning plate can be firmly and stably fixedly installed on the cofferdam frame through the coordinated arrangement of the positioning plate, the fixed block, the positioning block, the positioning groove and other structures, so that multiple steel plate frames can be stably connected and fixed together, the connection strength between the multiple steel plate frames can be improved, and the overall firmness of the cofferdam frame can be enhanced.

[0004] With respect to the above-mentioned related technologies, the inventors found the following defects: during the disassembly process, the cofferdam frame needs to be pushed upward to completely separate the connecting parts from the connecting parts. However, when the cofferdam frame is high, it is difficult to disassemble the cofferdam frame. Therefore, a detachable cofferdam is proposed. Utility Model Content

[0005] In order to quickly disassemble the cofferdam frame and reduce the difficulty of disassembling the cofferdam frame, the present application provides a detachable cofferdam.

[0006] A detachable cofferdam provided in the present application adopts the following technical scheme: it includes a first cofferdam plate, a second cofferdam plate is provided on the left side of the first cofferdam plate, a card slot is provided on the left side of the first cofferdam plate and the left side of the second cofferdam plate, a card strip matched with the card slot is fixedly connected to the right side of the first cofferdam plate and the right side of the second cofferdam plate, a group of first bent plates are fixedly connected to the front side of the first cofferdam plate and the front side of the second cofferdam plate, a first threaded hole is provided on the front side of each of the first bent plates, a socket is provided on the upper surface of each of the first bent plates, a group of second bent plates are fixedly connected to the front side of the first cofferdam plate and the front side of the second cofferdam plate, a second threaded hole is provided on the front side of each of the second bent plates, two groups of threaded positioning rods are threadedly connected to the inner walls of the two groups of the first threaded holes and the inner wall of one group of the second threaded holes, and a plug plate matched with the socket is fixedly connected to the bottom surface of each of the second bent plates, and one group of the plug plates extends to the inside of one group of the sockets.

[0007] Optionally, a rubber pad is fixedly connected to the inner side wall of each of the slots, and the two groups of the first threaded holes are respectively located in the same horizontal plane as the two groups of the second threaded holes.

[0008] Optionally, baffles are provided behind the first cofferdam plate and the second cofferdam plate, and the back sides of the two baffles are fixedly connected to the back sides of the first cofferdam plate and the second cofferdam plate, respectively.

[0009] Optionally, two reinforcing plates are fixedly connected to the front side of the first cofferdam plate and the back side of the second cofferdam plate, and a groove is formed on the bottom surface of each of the reinforcing plates.

[0010] Optionally, a group of positioning pins are provided below the first cofferdam plate and below the second cofferdam plate, and the top ends of the two groups of positioning pins are fixedly connected to the bottom surface of the first cofferdam plate and the bottom surface of the second cofferdam plate respectively.

[0011] Optionally, the front side of the first cofferdam plate and the front side of the second cofferdam plate are fixedly connected to a support frame, the back side of each support frame is fixedly connected to two top rods, and the back sides of the two groups of top rods are respectively fixedly connected to the front side of the first cofferdam plate and the front side of the second cofferdam plate.

[0012] Optionally, the bottom surface of each support frame is fixedly connected to a base, and the bottom surfaces of the two bases are located in the same horizontal plane as the bottom surface of the first cofferdam plate.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] 1. The utility model can release the threaded connection between the first bent plate and the second bent plate by rotating the threaded positioning rod, thereby releasing the vertical positioning of the first cofferdam plate and the second cofferdam plate, allowing the first cofferdam plate and the second cofferdam plate to slide up and down, and after the plug plate is moved out of the socket, the limiting of the first bent plate and the second bent plate can be released, thereby allowing the first cofferdam plate and the second cofferdam plate to slide in the left and right directions, thereby realizing the rapid disassembly and separation of the first cofferdam plate and the second cofferdam plate, and reducing the difficulty of disassembly.

[0015] 2. The utility model can seal the gap between the card slot and the card strip during the docking process of the card slot and the card strip by providing a rubber pad, thereby ensuring the sealing effect after the first cofferdam plate and the second cofferdam plate are docked. The first cofferdam plate and the second cofferdam plate can be positioned by using positioning pins, and the first cofferdam plate and the second cofferdam plate can be supported by cooperating with a support frame, thereby increasing impact resistance and preventing tilting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure in the embodiment of the present application;

[0017] Figure 2 is a schematic diagram of a three-dimensional structure of a side view in an embodiment of the present application;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of a top view in an embodiment of the present application;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the side section view in the embodiment of the present application.

[0020] Figure numerals: 1. second cofferdam plate; 2. first cofferdam plate; 3. clamping strip; 4. baffle; 5. first bent plate; 6. reinforcing plate; 7. threaded positioning rod; 8. support frame; 9. socket; 10. push rod; 11. base; 12. positioning pin; 13. second bent plate; 14. second threaded hole; 15. plug plate; 16. rubber pad; 17. first threaded hole; 18. clamping groove; 19. pull groove. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-4 This application is described in further detail.

[0022] The embodiment of the present application discloses a detachable cofferdam, including a first cofferdam plate 2, a baffle plate 4 is provided behind the first cofferdam plate 2 and behind the second cofferdam plate 1, the backs of the two baffle plates 4 are respectively fixedly connected to the backs of the first cofferdam plate 2 and the backs of the second cofferdam plate 1, and the baffle plates 4 can block the joint between the first cofferdam plate 2 and the second cofferdam plate 1, thereby reducing the gap between the first cofferdam plate 2 and the second cofferdam plate 1 that is impacted by water;

[0023] A second cofferdam plate 1 is provided on the left side of the first cofferdam plate 2, and a group of positioning pins 12 are provided under the first cofferdam plate 2 and under the second cofferdam plate 1. The top ends of the two groups of positioning pins 12 are fixedly connected to the bottom surface of the first cofferdam plate 2 and the bottom surface of the second cofferdam plate 1 respectively. The first cofferdam plate 2 and the second cofferdam plate 1 can be inserted into the ground through the positioning pins 12 to prevent sliding. A card slot 18 is provided on the left side surface of the first cofferdam plate 2 and the left side surface of the second cofferdam plate 1, and a card strip 3 adapted to the card slot 18 is fixedly connected to the right side surface of the first cofferdam plate 2 and the right side surface of the second cofferdam plate 1.

[0024] A group of first bent plates 5 are fixedly connected to the front of the first cofferdam plate 2 and the front of the second cofferdam plate 1, and a first threaded hole 17 is opened on the front of each first bent plate 5, and a socket 9 is opened on the upper surface of each first bent plate 5; a group of second bent plates 13 are fixedly connected to the front of the first cofferdam plate 2 and the front of the second cofferdam plate 1, and a second threaded hole 14 is opened on the front of each second bent plate 13; two groups of threaded positioning rods 7 are threadedly connected to the inner walls of the two groups of first threaded holes 17 and the inner wall of one group of second threaded holes 14; a plug plate 15 adapted to the socket 9 is fixedly connected to the bottom surface of each second bent plate 13, and one group of the plug plates 15 extends to the inside of one group of the sockets 9.

[0025] See also Figure 1 , Figure 2 and Figure 3 The inner side wall of each slot 18 is fixedly connected with a rubber pad 16, and the two groups of first threaded holes 17 are respectively located at the same horizontal plane with the two groups of second threaded holes 14. By providing the rubber pad 16, the sealing effect between the first cofferdam plate 2 and the second cofferdam plate 1 can be increased to ensure the water blocking effect.

[0026] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 Two reinforcing plates 6 are fixedly connected to the front side of the first cofferdam plate 2 and the back side of the second cofferdam plate 1. A groove 19 is provided on the bottom side of each reinforcing plate 6. The reinforcing plates 6 can be used to increase the strength of the first cofferdam plate 2 and the second cofferdam plate 1, and the groove 19 can be used to pull the first cofferdam plate 2 upward for easy disassembly by the staff.

[0027] See also Figure 1 , Figure 2 , Figure 3 and Figure 4The front of the first cofferdam plate 2 and the front of the second cofferdam plate 1 are fixedly connected with a support frame 8, and the back of each support frame 8 is fixedly connected with two top rods 10. The backs of the two groups of top rods 10 are respectively fixedly connected to the front of the first cofferdam plate 2 and the front of the second cofferdam plate 1. The bottom of each support frame 8 is fixedly connected with a base 11, and the bottom surfaces of the two bases 11 are located in the same horizontal plane as the bottom surface of the first cofferdam plate 2. The first cofferdam plate 2 and the second cofferdam plate 1 can be supported by the support frame 8 and the top rod 10 to increase the impact resistance and prevent tilting and shaking. The support frame 8 can be fixed by the base 11 to prevent the support frame 8 from sliding.

[0028] The implementation principle of a detachable cofferdam in an embodiment of the present application is as follows: when in use, the device is installed in water, and the water is blocked by the first cofferdam plate 2 and the second cofferdam plate 1, so that the staff can carry out construction in the enclosure area. After the construction is completed, the first bent plate 5 and the second bent plate 13 can be released by rotating the threaded positioning rod 7, and then the first cofferdam plate 2 is pulled upward to move the plug plate 15 out of the socket 9, thereby releasing the horizontal positioning of the first cofferdam plate 2, allowing the staff to move the first cofferdam plate 2 horizontally and quickly disassemble it.

[0029] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A detachable cofferdam, comprising a first cofferdam plate (2), characterized in that: A second cofferdam plate (1) is provided on the left side of the first cofferdam plate (2), a card slot (18) is provided on the left side of the first cofferdam plate (2) and the left side of the second cofferdam plate (1), a card strip (3) adapted to the card slot (18) is fixedly connected to the right side of the first cofferdam plate (2) and the right side of the second cofferdam plate (1), a group of first bent plates (5) are fixedly connected to the front side of the first cofferdam plate (2) and the front side of the second cofferdam plate (1), each of the first bent plates (5) is provided with a first threaded hole (17) on the front side, and the upper surface of each first bent plate (5) is A socket (9) is provided, and a group of second bent plates (13) are fixedly connected to the front of the first cofferdam plate (2) and the front of the second cofferdam plate (1), and a second threaded hole (14) is provided on the front of each of the second bent plates (13). The inner walls of the two groups of the first threaded holes (17) and the inner wall of one group of the second threaded holes (14) are threadedly connected to two groups of threaded positioning rods (7), and the bottom surface of each of the second bent plates (13) is fixedly connected to an insert plate (15) adapted to the socket (9), and one group of the insert plates (15) extends to the interior of one group of the sockets (9).

2. A detachable cofferdam according to claim 1, characterized in that: The inner side wall of each of the slots (18) is fixedly connected with a rubber pad (16), and the two groups of the first threaded holes (17) are respectively located on the same horizontal plane as the two groups of the second threaded holes (14).

3. The detachable cofferdam according to claim 1, characterized in that: Baffles (4) are provided behind the first cofferdam plate (2) and the second cofferdam plate (1), and the back surfaces of the two baffles (4) are fixedly connected to the back surface of the first cofferdam plate (2) and the back surface of the second cofferdam plate (1), respectively.

4. The detachable cofferdam according to claim 1, characterized in that: Two reinforcing plates (6) are fixedly connected to the front side of the first cofferdam plate (2) and the back side of the second cofferdam plate (1), and a groove (19) is provided on the bottom surface of each reinforcing plate (6).

5. The detachable cofferdam according to claim 1, characterized in that: A group of positioning pins (12) is provided below the first cofferdam plate (2) and below the second cofferdam plate (1), and the top ends of the two groups of positioning pins (12) are fixedly connected to the bottom surface of the first cofferdam plate (2) and the bottom surface of the second cofferdam plate (1), respectively.

6. The detachable cofferdam according to claim 1, characterized in that: The front face of the first cofferdam plate (2) and the front face of the second cofferdam plate (1) are both fixedly connected to a support frame (8), the back face of each support frame (8) is fixedly connected to two push rods (10), and the back faces of the two groups of push rods (10) are respectively fixedly connected to the front face of the first cofferdam plate (2) and the front face of the second cofferdam plate (1).

7. The detachable cofferdam according to claim 6, characterized in that: The bottom surface of each support frame (8) is fixedly connected to a base (11), and the bottom surfaces of the two bases (11) are located at the same horizontal plane as the bottom surface of the first cofferdam plate (2).

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