Efficient drainage type construction cofferdam device

Abstract

The utility model relates to the technical field of water conservancy cofferdams, and discloses an efficient drainage type construction cofferdam device which comprises a plurality of angle plates and a plurality of straight plates, one side of each straight plate is provided with a clamping groove, the other side of each straight plate is fixedly connected with a clamping block, the outer wall of each clamping block is fixedly connected with a sealing gasket, and the sealing gaskets are arranged in the clamping grooves. Locking rings are fixedly connected to the left sides of the front sides of the multiple straight plates, hook seats are fixedly connected to the right sides of the front sides of the multiple straight plates, inner rotating rods are slidably connected to the inner walls of the multiple hook seats, and rotating handles are rotatably connected to the right sides of the outer walls of the multiple inner rotating rods. According to the cofferdam, the clamping grooves and the clamping blocks between the straight plates are mutually clamped, the sealing gaskets are tightly attached to the inner walls of the clamping grooves, meanwhile, the rotating handles are rotated to enable the locking hooks to tighten the locking rings, tight connection of the adjacent straight plates is achieved, water is effectively prevented from leaking from the splicing positions, the sealing performance of the cofferdam in the drainage process is guaranteed, and the situation that the drainage effect is affected due to leakage is avoided; and the drainage is more efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy cofferdam technical field especially relates to an efficient drainage type construction cofferdam device. BACKGROUND

[0002] In the construction field, the cofferdam device plays a vital role, the cofferdam device is a kind of temporary water retaining structure built in water conservancy project and bridge construction, in order to form a relatively dry, safe construction area in water area, is made of various boards and support structure components, by isolating the construction area from external water body, so that construction personnel can carry out foundation pouring and structure installation operation in waterless or low water level environment, in large water conservancy hub construction, cofferdam device surrounds dam construction area, blocks river flow, ensures that dam foundation construction can be carried out smoothly, when bridge construction, cofferdam device creates conditions for pier construction, prevents river water from pouring into construction site, is of great significance to guarantee the smooth progress of engineering and improve construction efficiency.

[0003] The existing cofferdam device is provided with a drainage pipeline at the bottom to realize the drainage function, and the water in the cofferdam is discharged by the water pump extraction mode, to avoid the influence of accumulated water in the cofferdam on construction progress, but in actual use, due to the assembly of these cofferdams by splicing type boards, the sealing measures at the board connecting part are often not perfect, under the influence of long-term water flow impact, water pressure change and vibration in construction process, rubber gasket will be aged and deformed, sealing glue will also appear cracking and falling off phenomenon, leading to insufficient sealing performance of cofferdam in the process of drainage, a large amount of water body leaks out from the splicing gap, affects the drainage effect and reduces the drainage efficiency, therefore, an efficient drainage type construction cofferdam device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides an efficient drainage type construction cofferdam device, which aims at improving the sealing performance of cofferdam in the process of drainage in prior art, a large amount of water body leaks out from the splicing gap, affects the drainage effect.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: A kind of efficient drainage type construction cofferdam device, including multiple angle plates and multiple straight boards, one side of multiple straight boards is equipped with clamping groove, another side of multiple straight boards is fixedly connected with clamping block, the outer wall of multiple clamping blocks is fixedly connected with sealing gasket, the front left side of multiple straight boards is fixedly connected with lock ring, the front right side of multiple straight boards is fixedly connected with hook seat, the inner wall of multiple hook seats is slidably connected with inner rotary rod, the outer wall right side of multiple inner rotary rods is rotatably connected with handle, the inner wall right side of multiple handles is threadedly connected with stud, the right end of multiple studs is fixedly connected with lock hook, the rear side of multiple straight boards is provided with reinforcing mechanism, and the reinforcing mechanism is used to strengthen cofferdam structure.

[0006] As further description of the above technical solution:

[0007] The reinforcing mechanism includes multiple plate hooks, multiple plate hooks are fixedly connected to the rear side of multiple straight boards respectively, the inner wall of multiple plate hooks on the right side is slidably connected with the same reinforcing plate one, the inner wall of multiple plate hooks on the front side is slidably connected with the same reinforcing plate two, the outer wall of reinforcing plate two is equipped with slot left and right sides, the outer wall top of multiple angle plates is fixedly connected with slide strip, the bottom of multiple slide strips is slidably connected with push block, and the outer wall middle part of multiple angle plates is fixedly connected with fixed block.

[0008] As further description of the above technical solution:

[0009] The outer wall front side of multiple straight boards is fixedly connected with multiple reinforcing ribs, and multiple reinforcing ribs are designed symmetrically.

[0010] As further description of the above technical solution:

[0011] The outer wall rear side bottom of multiple straight boards is fixedly connected with bottom plate, and the outer wall of multiple bottom plates is equipped with multiple leakage holes.

[0012] As further description of the above technical solution:

[0013] The outer wall top of multiple bottom plates is fixedly connected with multiple reinforcing strips, and the top of multiple reinforcing strips is fixedly connected to the outer wall rear side middle lower part of straight board at equal intervals.

[0014] As further description of the above technical solution:

[0015] Wavy groove is equipped on the middle part of the front and rear side of multiple straight boards, and the inner wall of multiple wavy grooves is made smooth.

[0016] As further description of the above technical solution:

[0017] The inner wall of each of the plurality of push blocks is threadedly connected with a screw, and the outer wall of each of the plurality of angle plates is chamfered on one side.

[0018] As a further description of the above technical solution:

[0019] The outer wall of each of the plurality of clamping blocks is the same size as the inner wall of each of the plurality of clamping grooves, and the outer wall of each of the two plate hooks is smaller than the inner wall of each of the plurality of insertion grooves.

[0020] The utility model has the advantages of the following:

[0021] 1. In the utility model, the clamping groove and the clamping block are mutually clamped between the straight plates, the sealing gasket is tightly attached to the inner wall of the clamping groove, the lock hook is retracted to the lock ring by rotating the handle, the adjacent straight plates are tightly connected, water leakage from the joint is effectively prevented, the sealing property of the cofferdam during the drainage process is ensured, the influence of leakage on the drainage effect is avoided, and the drainage is more efficient.

[0022] 2. In the utility model, the push block can slide along the slide to the fixed block by rotating the screw, synchronous operation is carried out at the four corners of the cofferdam, the push block and the fixed block are tightly connected by the screw, the push block at the four corners can exert inward extrusion force on the reinforcing plate one and the reinforcing plate two, and the stability and the strength of the reinforcing plate are enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A perspective view of the efficient drainage type construction cofferdam device is provided for the utility model;

[0024] Figure 2 A structure schematic view of a straight plate of the efficient drainage type construction cofferdam device is provided for the utility model;

[0025] Figure 3 A structure schematic view of a bottom plate of the efficient drainage type construction cofferdam device is provided for the utility model;

[0026] Figure 4 A structure schematic view of a lock hook of the efficient drainage type construction cofferdam device is provided for the utility model;

[0027] Figure 5 A partial structure schematic view of the efficient drainage type construction cofferdam device is provided for the utility model;

[0028] Figure 6 A split view of the reinforcing mechanism of the efficient drainage type construction cofferdam device is provided for the utility model.

[0029] LEGEND:

[0030] 1, gusset; 2, reinforcing mechanism; 201, plate hook; 202, reinforcing plate one; 203, reinforcing plate two; 204, slot; 205, slide bar; 206, push block; 207, fixed block; 3, straight plate; 4, clamping groove; 5, clamping block; 6, sealing gasket; 7, locking ring; 8, hook base; 9, inner rotating rod; 10, rotating handle; 11, stud; 12, lock hook; 13, reinforcing rib; 14, bottom plate; 15, leakage hole; 16, reinforcing strip; 17, wave groove; 18, screw. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] Referring to the drawings Figure 1 , the drawings Figure 2 , and the drawings Figure 4The utility model provides an embodiment: an efficient drainage formula construction cofferdam device, including a plurality of angle plate 1 and a plurality of straight board 3, angle plate 1 is used to connect the straight board 3 of different directions, and the corner structure of cofferdam is constructed to satisfy different shape and size demand, and the straight board 3 is the main component of cofferdam main frame, is used to form the linear segment of cofferdam, a plurality of straight board 3 all are equipped with the clamping groove 4 on one side, and the clamping groove 4 is used to cooperate with the clamping block 5 of another straight board 3, realizes the splicing between straight board 3, and another side of a plurality of straight board 3 all are fixedly connected with clamping block 5, and clamping block 5 can embed the clamping groove 4 of another straight board 3, make the connection between straight board 3 more stable, facilitate the quick positioning in splicing process simultaneously, the outer wall of a plurality of clamping block 5 all are fixedly connected with sealing washer 6, and sealing washer 6 is tightly combined after inserting the clamping groove 4 of clamping block 5 the inner wall of clamping groove 4, prevents water from leaking from the splicing of straight board 3, guarantees the sealing property of cofferdam, the left side of the front side of a plurality of straight board 3 all are fixedly connected with lock ring 7, and lock ring 7 is used to cooperate with the lock hook 12 on another straight board 3, further fastens the connection of adjacent straight board 3, the right side of the front side of a plurality of straight board 3 all are fixedly connected with hook seat 8, and hook seat 8 provides the installation position for inner turning lever 9, and simultaneously cooperates lock ring 7 and realizes the fastening of straight board 3, the inner wall of a plurality of hook seat 8 all are slidably connected with inner turning lever 9, and inner turning lever 9 can slide in hook seat 8, guarantees the smoothness of lock hook 12 movement, so that better realization lock operation, the outer wall right side of a plurality of inner turning lever 9 all are rotatably connected with handle 10, and handle 10 moves through rotation and thus realizes the control to lock hook 12, the inner wall right side of a plurality of handle 10 all are threadedly connected with stud 11, and stud 11 can realize axial movement when handle 10 rotates due to its threaded connection, and then push lock hook 12, the right end of a plurality of stud 11 all are fixedly connected with lock hook 12, and lock hook 12 is buckled in lock ring 7 on another straight board 3, and is tightened after handle 10 rotation, and the close degree of the connection between adjacent straight board 3 is enhanced, and the rear side of a plurality of straight board 3 all are provided with reinforcing mechanism 2, and reinforcing mechanism 2 is used to strengthen cofferdam structure;

[0033] Specifically, the plurality of straight plates 3 are combined to form a main frame, and the assembly relies on the clamping groove 4 on one side of the straight plate 3 and the clamping block 5 on the other side. During installation, the clamping block 5 of one straight plate 3 is inserted into the clamping groove 4 of another straight plate 3 to achieve stable connection and rapid positioning. The outer wall of the clamping block 5 has a sealing gasket 6, which adheres to the inner wall of the clamping groove 4 after being inserted into the clamping groove 4, preventing water from leaking from the joint and ensuring the sealing of the cofferdam. Each straight plate 3 has a locking ring 7 on the left side of the front side and a hook seat 8 on the right side. The locking hook 12, the inner turning rod 9, the turning handle 10, and the stud 11 form a fastening assembly. When connecting adjacent straight plates 3, the locking hook 12 of one straight plate 3 is first buckled in the locking ring 7 of another straight plate 3, and the turning handle 10 is then rotated. Because the stud 11 is threadedly connected to the turning handle 10, rotating the turning handle 10 causes the stud 11 to move to the left, pushing the locking hook 12 to tighten the locking ring 7. The inner turning rod 9 slides in the hook seat 8 to ensure smooth movement of the locking hook 12, achieving tight connection of adjacent straight plates 3. Multiple angle plates 1 are installed at the corners of the cofferdam device to connect straight plates 3 in different directions and together form a complete cofferdam structure, which can meet the needs of different construction scenes for the shape and size of the cofferdam.

[0034] Referring to the accompanying drawings Figure 3 , the accompanying drawings Figure 5 , and the accompanying drawings Figure 6The reinforcing mechanism 2 comprises a plurality of plate hooks 201 fixedly connected to the rear side of the plurality of straight plates 3 respectively, the plate hooks 201 are used to provide mounting positions for the reinforcing plate one 202 and the reinforcing plate two 203 to reinforce the straight plates 3, the inner walls of the right side plate hooks 201 are all slidingly connected with the same reinforcing plate one 202, the reinforcing plate one 202 is installed by sliding in the right side plate hooks 201 to provide reinforcing support for the right side of the straight plates 3 to enhance the structural stability, the inner walls of the front side plate hooks 201 are all slidingly connected with the same reinforcing plate two 203, the reinforcing plate two 203 is installed by sliding in the plate hooks 201 to provide reinforcing support for the front side of the straight plates 3 to further improve the overall structural strength, the outer walls of the reinforcing plate two 203 are all provided with the insertion slots 204 on the left and right sides, the insertion slots 204 are used to be clamped with the reinforcing plate one 202 to connect the reinforcing plate one 202 and the reinforcing plate two 203 as a whole frame to reinforce the straight plates 3 cooperatively, the outer walls of the plurality of corner plates 1 are all fixedly connected with the sliding strips 205 on the top, the sliding strips 205 provide sliding tracks for the push blocks 206 to enable the push blocks 206 to move in a specific direction, the bottoms of the plurality of sliding strips 205 are all slidingly connected with the push blocks 206, the push blocks 206 can slide on the bottoms of the sliding strips 205 to exert extrusion force on the reinforcing plate one 202 and the reinforcing plate two 203 under the action of the screws 18, the inner walls of the plurality of push blocks 206 are all screw-connected with the screws 18, the screws 18 are rotated to drive the push blocks 206 to move along the sliding strips 205 by screw connection to realize accurate adjustment of the positions of the push blocks 206, the outer walls of the plurality of corner plates 1 are all fixedly connected with the fixing blocks 207 in the middle, the fixing blocks 207 cooperate with the push blocks 206 to be connected by the screws 18 to provide fixed support points for the push blocks 206 to enable the push blocks 206 to exert stable extrusion force on the reinforcing plates;

[0035] Specifically, the plurality of plate hooks 201 are respectively fixed on the rear side of the plurality of straight plates 3, two reinforcing plates one 202 are respectively installed along the inner walls of the plurality of plate hooks 201 on the left and right sides, and the reinforcing plates one 202 are connected with the plate hooks 201 on the left and right sides to form a slidable connection; in the same way, two reinforcing plates two 203 are installed along the inner walls of the plurality of plate hooks 201 on the front and rear sides, and then the reinforcing plates one 202 are clamped into the slots 204 on the outer walls of the reinforcing plates two 203, so that the two are preliminarily connected as a whole frame, at the same time, the sliding bars 205 are installed on the outer walls of the plurality of corner plates 1, the push blocks 206 are installed at the bottom of the sliding bars 205, the fixed blocks 207 are fixedly connected to the middle of the outer walls of the corner plates 1, the inner walls of the push blocks 206 are threadedly connected with the screws 18, when the reinforcing operation is performed, the push blocks 206 are driven to slide along the sliding bars 205 towards the fixed blocks 207 by rotating the screws 18, the operation is simultaneously performed on the four corners of the cofferdam device, as the push blocks 206 gradually approach the fixed blocks 207, the push blocks 206 are finally tightly connected with the fixed blocks 207 by the screws 18, at this time, the push blocks 206 on the four corners will exert an inward extrusion force on the reinforcing plates one 202 and the reinforcing plates two 203, because the reinforcing plates one 202 and the reinforcing plates two 203 are clamped, the extrusion force makes the connection between them more tightly, which enhances the stability and strength of the whole reinforcing plate, and the reinforcing plates one 202 and the reinforcing plates two 203 are connected with the straight plates 3 through the plate hooks 201, thereby improving the structural stability of the whole construction cofferdam device, so that it can better resist external water pressure and other external forces.

[0036] Referring to the drawings Figure 1 , the drawings Figure 2 and the drawings Figure 3The outer wall of each of the plurality of straight plates 3 is fixedly connected with a plurality of reinforcing ribs 13, the plurality of reinforcing ribs 13 are symmetrically designed, the reinforcing ribs 13 are used for enhancing the structural strength of the front side of the straight plate 3, improving the ability to resist external force, the symmetric design makes the straight plate 3 bear force more evenly in each direction, further improves the overall stability, the bottom of the rear side of the outer wall of each of the plurality of straight plates 3 is fixedly connected with a bottom plate 14, the bottom plate 14 is used for providing bottom support for the straight plate 3, enhancing the stability of the straight plate 3 when placed, the outer wall of each of the plurality of bottom plates 14 is provided with a plurality of leakage holes 15, the leakage holes 15 can allow water flow to pass through, realizing the drainage function, meeting the drainage demand of the efficient drainage type construction cofferdam device, the top of the outer wall of each of the plurality of bottom plates 14 is fixedly connected with a plurality of reinforcing strips 16, the reinforcing strips 16 are used for enhancing the connection strength between the bottom plate 14 and the straight plate 3, improving the stability of the overall structure, the top of each of the plurality of reinforcing strips 16 is fixedly connected to the middle-lower part of the rear side of the outer wall of the straight plate 3 at equal intervals, the equally distributed reinforcing strips 16 can more evenly disperse the stress, effectively enhancing the strength of the connection part, the front and rear sides of each of the plurality of straight plates 3 are provided with a wave groove 17, the wave groove 17 can reduce the weight of the straight plate 3 without significantly reducing the strength of the straight plate 3, while increasing the flexibility of the straight plate 3, the inner wall of each of the plurality of wave grooves 17 is smoothly processed, the smooth processing can prevent stress concentration, avoiding damage to the straight plate 3 due to stress problems during use, the outer wall of each of the plurality of angle plates 1 is chamfered on the adjacent side, the chamfering processing can avoid sharp corners causing harm to construction personnel, and at the same time, the chamfering processing is convenient for the connection of the angle plate 1 with other components during installation, the outer wall size of each of the plurality of clamping blocks 5 is consistent with the inner wall size of each of the plurality of clamping grooves 4, the consistent size can ensure that the clamping block 5 can be tightly embedded in the clamping groove 4, realizing stable and precise splicing between the straight plates 3, the outer wall size of each of the two plate hooks 201 is smaller than the inner wall size of each of the plurality of insertion grooves 204, this size design can make the plate hook 201 smoothly inserted into the insertion groove 204, facilitating the connection and installation between the first reinforcing plate 202 and the second reinforcing plate 203;

[0037] Specifically, the symmetrically designed reinforcing ribs 13 on the front side of the straight plate 3 enhance the structural strength, make the stress more uniform, improve the overall stability, the bottom plate 14 on the rear side provides support to ensure stable placement, the leakage holes 15 realize the drainage function, the reinforcing strips 16 on the top enhance the connection strength between the bottom plate 14 and the straight plate 3, the equal distribution effectively disperses the stress, the wave grooves 17 on the front and rear sides of the straight plate 3 reduce the weight and increase the flexibility, the smooth processing of the inner wall prevents stress concentration, the chamfering processing of the outer wall of the angle plate 1 avoids injury and facilitates installation, the size of the clamping block 5 and the clamping groove 4 is suitable, which ensures stable and precise splicing of the straight plate 3, the size design of the plate hook 201 and the insertion groove 204 is beneficial to the connection and installation of the first reinforcing plate 202 and the second reinforcing plate 203, these designs work together to make the cofferdam device stable against external force and efficient in drainage during construction, and the installation is convenient, which provides reliable protection for construction.

[0038] Working principle: when constructing the high-efficiency drainage type construction cofferdam device, the angle plate 1 and the straight plate 3 play the role of building the foundation structure, a plurality of straight plates 3 are combined with each other through a specific connecting mode to form the main frame of the cofferdam, the clamping groove 4 opened on one side of the straight plate 3 and the clamping block 5 fixedly connected on the other side are the key structures for splicing the straight plates 3, when installing, the clamping block 5 of one straight plate 3 can be inserted into the clamping groove 4 of another straight plate 3, this clamping mode not only makes the connection between the straight plates 3 more stable, but also can quickly position in the splicing process, improves the construction efficiency, at the same time, the sealing gasket 6 fixedly connected on the outer wall of the clamping block 5 plays the role of waterproof sealing, when the clamping block 5 is inserted into the clamping groove 4, the sealing gasket 6 tightly adheres to the inner wall of the clamping groove 4, effectively prevents water from leaking from the splicing part of the straight plate 3, ensures the sealing of the cofferdam, at the same time, the lock ring 7 and the hook base 8 provide the condition for further fastening between the straight plates 3, the lock ring 7 fixedly connected on the left side of the front side of each straight plate 3 cooperates with the hook base 8 fixedly connected on the right side of the front side, the lock hook 12, the inner rotating rod 9, the rotating handle 10 and the stud 11 jointly constitute a set of fastening assembly, when it is needed to connect and further lock two adjacent straight plates 3, the lock hook 12 on one straight plate 3 is buckled in the lock ring 7 on another straight plate 3, then the rotating handle 10 is rotated, since the stud 11 is threadedly connected with the rotating handle 10, the rotation of the rotating handle 10 drives the stud 11 to move left, and then pushes the lock hook 12 to further tighten the lock ring 7, in this process, the inner rotating rod 9 slides in the hook base 8 to ensure the smoothness of the movement of the lock hook 12, through this mode, the close connection between the adjacent straight plates 3 is realized, a plurality of angle plates 1 are installed at the corners of the cofferdam device to connect the straight plates 3 in different directions, and jointly build a complete cofferdam structure to meet the needs of different shapes and sizes of cofferdam in the construction process;

[0039] And, in the high-efficiency drainage type construction cofferdam device, the reinforcing mechanism 2 plays an important role in enhancing the stability of the overall structure, a plurality of plate hooks 201 are fixed on the rear side of a plurality of straight plates 3, first, two reinforcing plates one 202 are respectively slidably installed along the inner walls of the plurality of plate hooks 201 on the left and right sides, so as to form a slidable connection with the plate hooks 201 on the left and right sides, similarly, two reinforcing plates two 203 are slidably installed along the inner walls of the plurality of plate hooks 201 on the front and rear sides, then, the reinforcing plate one 202 is clamped into the slots 204 formed on the outer walls of the reinforcing plate two 203 on the left and right sides, so that the two are preliminarily connected into a whole frame, the outer wall top of the plurality of angle plates 1 is provided with a sliding strip 205, the bottom of the sliding strip 205 is provided with a sliding push block 206, during reinforcement, by rotating the screw 18, since the push block 206 is threadedly connected with the screw 18, the rotation of the screw 18 drives the push block 206 to slide along the bottom of the sliding strip 205 towards the fixed block 207, this operation is simultaneously performed on the four corners of the cofferdam device, as the push block 206 approaches the fixed block 207, the push block 206 and the fixed block 207 are finally tightly connected together by the screw 18, at this time, the push blocks 206 on the four corners will exert an inward extrusion force on the reinforcing plate one 202 and the reinforcing plate two 203, since the reinforcing plate one 202 and the reinforcing plate two 203 are clamped together, this extrusion force makes the connection between them more tightly, thereby enhancing the stability and strength of the whole reinforcing plate, and the reinforcing plate one 202 and the reinforcing plate two 203 are connected with the straight plate 3 through the plate hook 201, thereby improving the structural stability of the whole construction cofferdam device, so that it can better resist external water pressure and other external forces.

[0040] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A high-efficiency drainage type construction cofferdam device comprising a plurality of angle plates (1) and a plurality of straight plates (3), characterized in that: A plurality of the straight plate (3) one side is provided with clamping groove (4), a plurality of the straight plate (3) the other side is fixedly connected with clamping block (5), a plurality of the clamping block (5) outer wall is fixedly connected with sealing gasket (6), a plurality of the straight plate (3) front left side is fixedly connected with lock ring (7), a plurality of the straight plate (3) front right side is fixedly connected with hook seat (8), a plurality of the hook seat (8) inner wall is slidingly connected with inner rotating rod (9), a plurality of the inner rotating rod (9) outer wall right side is rotatably connected with rotating handle (10), a plurality of the rotating handle (10) inner wall right side is threadedly connected with stud (11), a plurality of the stud (11) right end is fixedly connected with lock hook (12), a plurality of the straight plate (3) rear side is provided with reinforcing mechanism (2), and the reinforcing mechanism (2) is used for strengthening cofferdam structure.

2. The high-efficiency drainage type construction cofferdam device according to claim 1, characterized in that: The reinforcing mechanism (2) comprises a plurality of plate hooks (201), a plurality of plate hooks (201) are fixedly connected to the rear side of a plurality of straight plates (3), the inner wall of the right side of a plurality of plate hooks (201) is slidingly connected with the same reinforcing plate one (202), the inner wall of the front side of a plurality of plate hooks (201) is slidingly connected with the same reinforcing plate two (203), the outer wall of the reinforcing plate two (203) is provided with a plurality of insertion grooves (204) on the left and right sides, the outer wall top of a plurality of angle plates (1) is fixedly connected with a plurality of sliding strips (205), the bottom of a plurality of sliding strips (205) is slidingly connected with a plurality of push blocks (206), and the outer wall middle part of a plurality of angle plates (1) is fixedly connected with a plurality of fixed blocks (207).

3. The high-efficiency drainage construction cofferdam device according to claim 1, characterized in that: The outer wall front side of a plurality of the straight plate (3) is fixedly connected with a plurality of reinforcing ribs (13), and a plurality of the reinforcing ribs (13) are symmetrically designed.

4. The high efficiency drainage construction cofferdam device according to claim 1, characterized in that: The outer wall rear side bottom of a plurality of the straight plate (3) is fixedly connected with a plurality of bottom plates (14), and the outer wall of a plurality of the bottom plates (14) is provided with a plurality of leakage holes (15).

5. The high efficiency drainage construction cofferdam device according to claim 4, characterized in that: The outer wall top of a plurality of the bottom plate (14) is fixedly connected with a plurality of reinforcing strips (16), and the top of a plurality of the reinforcing strips (16) is fixedly connected to the outer wall rear side middle lower part of the straight plate (3) at equal intervals.

6. The high efficiency drainage construction cofferdam device according to claim 1, characterized in that: The front and rear sides of a plurality of the straight plate (3) are provided with a plurality of wave grooves (17), and the inner wall of a plurality of the wave grooves (17) is smoothly treated.

7. The high efficiency drainage construction cofferdam device according to claim 2, characterized in that: The inner wall of a plurality of the push block (206) is threadedly connected with a plurality of screws (18), and the outer wall of a plurality of the angle plate (1) is chamfered on one side.

8. The high efficiency drainage construction cofferdam device according to claim 2, characterized in that: The outer wall size of a plurality of the clamping block (5) is consistent with the inner wall size of a plurality of clamping grooves (4), and the outer wall size of two plate hooks (201) is smaller than the inner wall size of a plurality of insertion grooves (204).

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