Construction device for cofferdam

Abstract

The utility model discloses a construction device for cofferdam, including connecting piece, locating bolt and rotating piece, the number of rotating piece is provided with two, a cofferdam plate is provided between the two rotating piece, the front side wall of the cofferdam plate is provided with stripe groove, the outer side of the rotating piece is provided with connecting piece, the connecting piece is provided with the locating bolt, the cofferdam plate is provided with the stripe groove, and the rotating piece is provided with the locating bolt. A positioning bolt is arranged between the two connecting pieces; according to the construction device for the cofferdam, the connecting pieces, the positioning plug pins and the rotating pieces are arranged and matched with one another for use, all the cofferdam plates can be adjusted to proper angles before installation, then the positions and the angles of the cofferdam plates are fixed through the positioning plug pins, and therefore the cofferdam plates can be installed conveniently. The problem that traditional cofferdam plates are inconvenient to splice and troublesome in connection is solved, splicing and connecting operation is convenient, the construction efficiency is further improved, meanwhile, the supporting and stabilizing structure is convenient to adjust and place, and use is more flexible.

Description

Technical Field

[0001] The utility model relates to the field of infrastructure, in particular to a construction device for cofferdams. 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] The existing Chinese patent with announcement number CN217811133U discloses a cofferdam reinforcement device, which includes a support rod arranged between a side of the cofferdam body close to the building construction area and the ground, the support rod is arranged downwardly from the side wall of the cofferdam body to the direction away from the cofferdam body, a support base for connecting the support rod and the ground is arranged between the bottom end of the support rod and the ground, an upper support seat for supporting the upper part of the cofferdam body is arranged between the top end of the support rod and the cofferdam body near the top of the cofferdam body, and a lower support seat for supporting the middle part of the cofferdam body is arranged between the middle part of the support rod and the cofferdam body near the middle of the cofferdam body. This application improves the reinforcement stability of the cofferdam body.

[0004] The cofferdams in the above scheme and the prior art are currently mostly spliced ​​and fixed in a way that bolts are used to splice and connect them piece by piece. The splicing operation is troublesome and time-consuming, which affects the construction efficiency. There is a lack of corresponding structure here, which needs to be improved and optimized. Utility Model Content

[0005] The purpose of the utility model is to provide a construction device for cofferdams to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a construction device for a cofferdam includes a connecting member, a positioning pin and a rotating member, wherein the number of the rotating members is two, a cofferdam plate is arranged between the two rotating members, a striped groove is arranged on the front side wall of the cofferdam plate, a connecting member is arranged on the outer side of the rotating member, and a positioning pin is arranged between the two connecting members.

[0007] Preferably, there are a plurality of striped grooves, which are arranged in an array on the front side wall of the cofferdam plate, and there are two connecting members, positioning pins and rotating members, which are symmetrically arranged on the left and right sides of the cofferdam plate.

[0008] Preferably, the connecting member includes a connecting plate, a slot, an insert block, a rotating groove, a positioning slot, a fixing plate, a fixing hole and a mounting hole, a slot is provided inside the front end of the connecting plate, an insert block is fixedly connected to the front side wall of the rear end of the connecting plate, a rotating groove is provided inside the rear end of the connecting plate, a positioning slot is provided at the top of the front end of the connecting plate, a fixing plate is fixedly connected to the bottom of the front end of the connecting plate, a fixing hole is provided inside the fixing plate, and a mounting hole is provided inside the rotating groove.

[0009] Preferably, the slots and the insert blocks are correspondingly arranged and mutually engaged, the rotation slot is an arc-shaped slot, and the number of the mounting holes is two and they are symmetrically distributed at the upper and lower ends of the rotation slot.

[0010] Preferably, the positioning latch comprises a positioning block, a fixing block, a corresponding groove and a locking block, the top of the positioning block is fixedly connected to the fixing block, the interior of the positioning block is provided with a corresponding groove, and the top of the corresponding groove is fixedly connected to the locking block.

[0011] Preferably, the number of the fixing blocks is two, and they are symmetrically arranged on the front and rear side walls of the top of the positioning block. The fixing blocks are arranged correspondingly to the positioning grooves and are slidably connected to each other. The number of the corresponding grooves and locking blocks is two, and they are symmetrically arranged on the left and right side walls of the positioning block.

[0012] Preferably, the rotating member comprises a rotating block, a locking groove and a mounting block, the rotating block is fixedly connected to the cofferdam plate, the top of the rotating block is provided with a locking groove, and the top of the rotating block is fixedly connected to the mounting block.

[0013] Preferably, there are two rotating blocks and two mounting blocks, which are symmetrically arranged on the left and right side walls of the cofferdam plate. The rotating block rotates in the corresponding groove. There are multiple locking grooves, which are arranged in a circular array on the top of the rotating block. The locking grooves and the locking blocks are correspondingly arranged and slidably connected to each other. The mounting block and the mounting hole are correspondingly arranged and rotatably connected to each other.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model proposes a construction device for cofferdams, which is mainly achieved by setting a connecting piece, a positioning pin and a rotating piece. The three are used in coordination with each other. Each cofferdam plate can be adjusted to a suitable angle before installation, and then the position and angle thereof can be fixed by the positioning pin, thereby solving the problem that traditional cofferdam plates are inconvenient for splicing and connecting. The splicing and connecting operation is more convenient, which further improves the construction efficiency. At the same time, the supporting stable structure is easy to adjust and is more flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a construction device for cofferdam;

[0017] Figure 2 It is a connection schematic diagram of a construction device for cofferdam;

[0018] Figure 3 It is a schematic diagram of a positioning pin structure of a construction device for a cofferdam;

[0019] Figure 4 It is a schematic diagram of the structure of a connecting piece of a construction device for a cofferdam;

[0020] Figure 5 A bottom view of a connecting member structure of a construction device for a cofferdam;

[0021] Figure 6 The present invention is a schematic diagram of a connecting plate structure of a construction device for cofferdam.

[0022] In the figure: 1. cofferdam plate; 2. striped groove; 3. connecting piece; 301. connecting plate; 302. slot; 303. plug block; 304. rotating groove; 305. positioning groove; 306. fixing plate; 307. fixing hole; 308. mounting hole; 4. positioning pin; 401. positioning block; 402. fixing block; 403. corresponding groove; 404. locking block; 5. rotating piece; 501. rotating block; 502. locking groove; 503. mounting block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model are described clearly and completely below. The embodiments of the utility model and all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 6The utility model provides a technical solution: a construction device for a cofferdam includes a connecting member 3, a positioning pin 4 and a rotating member 5. The number of the rotating members 5 is set to two, and a cofferdam plate 1 is arranged between the two rotating members 5. The rotating member 5 allows the cofferdam plate 1 to rotate within a certain range to adapt to different construction requirements or terrain changes. The cofferdam plate 1 constitutes the main structure of the cofferdam, provides a stable support surface, ensures the integrity and stability of the cofferdam, and is used to isolate water areas or construction areas. Striped grooves 2 are arranged on the front side wall of the cofferdam plate 1. The number of striped grooves 2 is set to multiple and arranged in an array. On the front side wall of the cofferdam plate 1, the striped groove 2 increases the friction between the cofferdam plate 1 and the water, providing additional stability, especially in an environment with large water flow, to prevent the cofferdam plate 1 from shifting under the impact of the water flow. A connecting member 3 is arranged on the outer side of the rotating member 5, and the connecting member 3 connects two cofferdam plates 1 or the cofferdam plates 1 with other structures to ensure the integrity of the cofferdam. A positioning pin 4 is arranged between the two connecting members 3, and the positioning pin 4 fixes the connecting member 3 and the rotating member 5 to prevent them from relative movement. The number of the connecting member 3, the positioning pin 4 and the rotating member 5 is set to two, and they are symmetrically arranged on the left and right sides of the cofferdam plate 1.

[0025] The connecting member 3 includes a connecting plate 301, a slot 302, an insert block 303, a rotation groove 304, a positioning groove 305, a fixing plate 306, a fixing hole 307 and a mounting hole 308. The front end of the connecting plate 301 is provided with a slot 302, and the front side wall of the rear end of the connecting plate 301 is fixedly connected with the insert block 303. The slot 302 and the insert block 303 are correspondingly arranged and mutually engaged to connect the two connecting members to realize the splicing of the cofferdam plate 1. The rear end of the connecting plate 301 is provided with a rotation groove 304, and the rotation groove 304 is an arc groove, which is convenient for the rotation of the rotating block 501. The front end of the connecting plate 301 A positioning groove 305 is provided at the top, and the positioning groove 305 cooperates with the fixing block 402 of the positioning pin 4 to realize the positioning function. A fixing plate 306 is fixedly connected to the bottom of the front end of the connecting plate 301, and a fixing hole 307 is provided inside the fixing plate 306. The fixing plate 306 and the fixing hole 307 are used to fix the connecting piece to the cofferdam plate 1 or other structures. A mounting hole 308 is provided inside the rotating groove 304. There are two mounting holes 308, which are symmetrically distributed at the upper and lower ends of the rotating groove 304. The mounting hole 308 cooperates with the mounting block 503 of the rotating piece 5 to realize the rotation of the connecting piece.

[0026] The positioning latch 4 includes a positioning block 401, a fixing block 402, a corresponding groove 403 and a locking block 404. The top of the positioning block 401 is fixedly connected with the fixing block 402. There are two fixing blocks 402, which are symmetrically arranged on the front and rear side walls of the top of the positioning block 401. The fixing block 402 is arranged corresponding to the positioning groove 305 and is slidably connected to each other. The interior of the positioning block 401 is provided with a corresponding groove 403. The top of the corresponding groove 403 is fixedly connected with the locking block 404. There are two corresponding grooves 403 and two locking blocks 404, which are symmetrically arranged on the left and right side walls of the positioning block 401.

[0027] The rotating member 5 includes a rotating block 501, a locking groove 502 and a mounting block 503. The rotating block 501 is fixedly connected to the cofferdam plate 1 to provide a rotating function. The rotating block 501 rotates in the corresponding groove 403. A locking groove 502 is provided at the top of the rotating block 501. There are multiple locking grooves 502, which are arranged in a circular array at the top of the rotating block 501. The locking groove 502 is corresponding to the locking block 404 and is slidably connected to each other to achieve angle locking. The top of the rotating block 501 is fixedly connected with a mounting block 503. There are two rotating blocks 501 and two mounting blocks 503, which are symmetrically arranged on the left and right side walls of the cofferdam plate 1. The mounting block 503 is corresponding to the mounting hole 308 and is rotatably connected to each other to achieve rotation of the connecting member.

[0028] In actual use, multiple cofferdam plates 1 are connected together through the connecting piece 3 to form a complete cofferdam structure. When the angle or position of the cofferdam plate needs to be adjusted, it can be adjusted by pre-rotating the rotating piece 5, and then the connecting piece 3 and the rotating piece 5 are fixed by the positioning pin 4 to ensure that the cofferdam plate remains stable in the adjusted position. The entire device has a simple structure and is easy to operate, and can adapt to different construction needs and terrain changes.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A construction device for cofferdam, characterized in that: The invention comprises a connecting member (3), a positioning pin (4) and a rotating member (5), wherein the number of the rotating members (5) is two, a cofferdam plate (1) is arranged between the two rotating members (5), a striped groove (2) is arranged on the front side wall of the cofferdam plate (1), a connecting member (3) is arranged on the outer side of the rotating member (5), and a positioning pin (4) is arranged between the two connecting members (3).

2. A construction device for cofferdam according to claim 1, characterized in that: The striped grooves (2) are provided in a plurality and are arranged in an array on the front side wall of the cofferdam plate (1); the connecting member (3), the positioning latch (4) and the rotating member (5) are each provided in two and are symmetrically arranged on the left and right sides of the cofferdam plate (1).

3. A construction device for cofferdam according to claim 1, characterized in that: The connecting member (3) comprises a connecting plate (301), a slot (302), an insert block (303), a rotation groove (304), a positioning groove (305), a fixing plate (306), a fixing hole (307) and a mounting hole (308); the front end of the connecting plate (301) is provided with a slot (302); the rear end front side wall of the connecting plate (301) is fixedly connected with the insert block (303); the rear end of the connecting plate (301) is provided with a rotation groove (304); the front end top of the connecting plate (301) is provided with a positioning groove (305); the front end bottom of the connecting plate (301) is fixedly connected with a fixing plate (306); the fixing hole (307) is provided inside the fixing plate (306); and the mounting hole (308) is provided inside the rotation groove (304).

4. A construction device for cofferdam according to claim 3, characterized in that: The slot (302) and the insert block (303) are arranged correspondingly and are mutually engaged. The rotation slot (304) is an arc-shaped slot. There are two mounting holes (308) symmetrically distributed at the upper and lower ends of the rotation slot (304).

5. A construction device for cofferdam according to claim 1, characterized in that: The positioning latch (4) comprises a positioning block (401), a fixing block (402), a corresponding groove (403) and a locking block (404); the top of the positioning block (401) is fixedly connected to the fixing block (402); the interior of the positioning block (401) is provided with a corresponding groove (403); the top of the corresponding groove (403) is fixedly connected to the locking block (404).

6. A construction device for cofferdam according to claim 5, characterized in that: The number of the fixing blocks (402) is two and they are symmetrically arranged on the front and rear side walls of the top of the positioning block (401); the fixing blocks (402) are arranged correspondingly to the positioning grooves (305) and are slidably connected to each other; the number of the corresponding grooves (403) and the locking blocks (404) are both two and they are symmetrically arranged on the left and right side walls of the positioning block (401).

7. A construction device for cofferdam according to claim 1, characterized in that: The rotating member (5) comprises a rotating block (501), a locking groove (502) and a mounting block (503); the rotating block (501) is fixedly connected to the cofferdam plate (1); the top end of the rotating block (501) is provided with a locking groove (502); and the top end of the rotating block (501) is fixedly connected to the mounting block (503).

8. A construction device for cofferdam according to claim 7, characterized in that: The number of the rotating blocks (501) and the mounting blocks (503) are both two, and they are symmetrically arranged on the left and right side walls of the cofferdam plate (1); the rotating block (501) rotates in the corresponding groove (403); the number of the locking grooves (502) is multiple, and they are arranged in a circular array at the top of the rotating block (501); the locking grooves (502) and the locking blocks (404) are correspondingly arranged and slidably connected to each other; the mounting block (503) and the mounting hole (308) are correspondingly arranged and rotatably connected to each other.

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