Cofferdam for water conservancy construction
By combining the design of insert blocks and connecting bolts with epoxy resin coating, the problems of cumbersome angle adjustment and insufficient wear and corrosion resistance of traditional cofferdams are solved, achieving efficient installation and long service life of cofferdams.
Patent Information
- Application Number
- CN202520533590.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Traditional hydraulic construction cofferdams are cumbersome to operate when adjusting the angle, which prolongs the construction time, increases costs, and is difficult to dismantle. They are also not conducive to resource recycling and have insufficient wear and corrosion resistance in freshwater and seawater environments.
A cofferdam for hydraulic construction was designed, which improves connection stability through the combination of insert blocks and connecting bolts; a detection frame and airbag system are set up to facilitate angle calibration; and an epoxy resin coating is applied to the cofferdam plate to enhance wear and corrosion resistance.
It simplifies the installation process of cofferdams, improves construction efficiency, and enhances the stability and service life of cofferdams, especially showing better wear and corrosion resistance in freshwater and seawater environments.
Smart Images

Figure CN223951820U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water conservancy construction technical field more specifically, it relates to a cofferdam for water conservancy construction. BACKGROUND
[0002] In water conservancy construction, cofferdam is a temporary water retaining structure, mainly used to create dry land construction conditions in rivers, lakes and other water areas, so as to carry out foundation excavation, concrete pouring, equipment installation and other operations, the stability and reliability of cofferdam are directly related to the construction safety, progress and quality of water conservancy project, however, the traditional cofferdam technology has many problems in practical application, which is difficult to meet the demand of modern water conservancy engineering for high efficiency, environmental protection and economy.
[0003] The cofferdam in the water conservancy construction cofferdam device needs to adjust the angle of the cofferdam during installation, so that the cofferdam is in a horizontal state during fixation, however, the cofferdam in the above-mentioned water conservancy construction cofferdam device needs workers to use multiple measuring devices to measure the angle of the cofferdam multiple times during angle adjustment, which is relatively cumbersome to operate, increases the installation time of the cofferdam, prolongs the construction period of water conservancy, thereby affecting the efficiency of water conservancy construction, increases the cost of water conservancy construction, and the existing cofferdam plate has long construction period, high cost and difficulty in removal, which is not conducive to the recycling of resources. SUMMARY
[0004] (I) technical problems solved
[0005] In view of the problems existing in the prior art, the utility model provides a cofferdam for water conservancy construction to solve the technical problems mentioned in the background art.
[0006] (II) technical scheme
[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a cofferdam for water conservancy construction, comprising a cofferdam main body, the cofferdam main body comprises a cofferdam plate and a connecting plate, both ends of the cofferdam plate are provided with insertion blocks, both sides of the connecting plate are provided with insertion grooves, a connecting anchor rod is slidably arranged on the connecting plate, a connecting screw rod is rotatably arranged on the connecting plate, one end of the connecting screw rod is threadedly connected with the connecting anchor rod, the other end is provided with a connecting handle, a moving block is arranged on the cofferdam plate, a detection frame is arranged on the moving block, a fixed shaft is arranged on the detection frame, a rotating seat is arranged on the fixed shaft, a detection plate is arranged on the rotating seat, an angle gauge is arranged on the detection plate, air bags are arranged at the bottom of both ends of the detection plate, and a pointer is arranged on the fixed shaft.
[0008] The utility model is further provided with a limiting block on the connecting anchor rod, a limiting groove matched with the limiting block is arranged on the connecting plate, and the movement direction of the connecting anchor rod is limited.
[0009] The utility model further provides for, be equipped with connecting bolt between connecting plate and insert piece, connecting plate and cofferdam plate are connected and are fixed.
[0010] The utility model further provides for, be equipped with moving groove on cofferdam plate, rotatingly be equipped with moving screw on moving groove, moving screw with moving block screw connection, one end of moving screw is equipped with moving handle, rotates moving screw through moving handle, adjusts the height and position of moving block and detection frame.
[0011] The utility model further provides for, be equipped with sliding slot on moving block, be equipped with sliding rod on sliding slot, one end of sliding rod with detection frame fixed connection, the other end is equipped with sliding plate, make detection frame slide on moving block, adjust the position of detection frame.
[0012] The utility model further provides for, be equipped with sliding spring between detection frame and sliding slot on the outside of sliding rod, make detection frame downward spring force, make air bag stable and adhere on water surface.
[0013] The utility model further provides for, be equipped with a plurality of ground pegs in the bottom of cofferdam plate, improve the connection stability of cofferdam plate and stable soil body.
[0014] The utility model further provides for, the surface of cofferdam plate and connecting plate is coated with epoxy resin coating, improved the wear resistance and corrosion resistance of cofferdam plate and connecting plate in fresh water, seawater environment, improved the service life of cofferdam plate.
[0015] (Three)beneficial effects
[0016] Compared with the prior art, the utility model provides a cofferdam for water conservancy construction, has the following beneficial effects:
[0017] 1, through insert piece inserts into the insert groove, and is connected through connecting bolt, is convenient for assembling cofferdam main part, drives connecting screw rod rotation through rotating connecting handle, drives connecting anchor rod and inserts into the stable structure in the bottom of cofferdam main part through connecting screw rod, improved the stability of connecting plate connecting place.
[0018] 2, drive moving screw rotation through moving handle, and then adjust the height position of moving block and detection frame, through the rotation seat, detection plate and air bag on detection frame, it is convenient for demarcating the horizontal angle of horizontal plane, through fixed shaft and pointer demarcate the angle of cofferdam, it is convenient for detecting the angle position of cofferdam, improved practicality and convenience.
[0019] 3, through setting ground peg in the bottom of cofferdam plate, improved cofferdam plate support stability, through setting epoxy resin coating, improved the wear resistance and corrosion resistance of cofferdam plate and connecting plate in fresh water, seawater environment, improved the service life of cofferdam plate.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is a whole structure schematic view of a cofferdam in the utility model;
[0021] Figure 2 is a sectional structure schematic view of a connecting plate in the utility model;
[0022] Figure 3 is a whole structure schematic view of a cofferdam plate in the utility model;
[0023] Figure 4 is a cooperation structure schematic view of a moving block, a detection frame, a protractor and a pointer in the utility model;
[0024] Figure 5 is a cooperation structure schematic view of a cofferdam plate and an epoxy resin coating in the utility model.
[0025] In the drawing: 1, cofferdam main body; 2, cofferdam plate; 3, connecting plate; 4, insertion block; 5, insertion slot; 6, connecting anchor rod; 7, connecting screw rod; 8, connecting handle; 9, moving block; 10, detection frame; 11, fixed shaft; 12, rotating seat; 13, detection plate; 14, protractor; 15, air bag; 16, pointer; 17, limiting block; 18, limiting slot; 19, connecting bolt; 20, moving slot; 21, moving screw rod; 22, moving handle; 23, sliding slot; 24, sliding rod; 25, sliding plate; 26, sliding spring; 27, ground nail; 28, epoxy resin coating. DETAILED DESCRIPTION
[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.
[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0028] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.
[0029] Please refer to Figures 1-5The utility model provides a cofferdam for water conservancy construction, including cofferdam main part 1, cofferdam main part 1 includes cofferdam board 2 and connecting plate 3, and the both ends of cofferdam board 2 are equipped with insertion block 4, and the both sides of connecting plate 3 are equipped with insertion slot 5, and the sliding of connecting plate 3 is equipped with connecting anchor rod 6, and the rotation of connecting plate 3 is equipped with connecting screw rod 7, and one end of connecting screw rod 7 is connected with connecting anchor rod 6 in screw thread, and the other end is equipped with connecting handle 8, and the moving block 9 is equipped on cofferdam board 2, and the detection frame 10 is equipped on moving block 9, and the fixed shaft 11 is equipped on detection frame 10, and the rotating seat 12 is equipped on fixed shaft 11, and the detection plate 13 is equipped on rotating seat 12, and the protractor 14 is equipped on detection plate 13, and the air bag 15 is equipped on the both ends bottom of detection plate 13, and the pointer 16 is equipped on fixed shaft 11, and the limiting block 17 is equipped on connecting anchor rod 6, and the limiting slot 18 that cooperates with limiting block 17 is arranged on connecting plate 3, and the connecting bolt 19 is equipped between connecting plate 3 and insertion block 4, and the multiple ground pegs 27 are arranged on the bottom of cofferdam board 2, and the epoxy resin coating 28 is coated on the surface of cofferdam board 2 and connecting plate 3.
[0030] In the embodiment, when assembling the cofferdam main part 1, the insertion block 4 of the cofferdam board 2 is inserted into the insertion slot 5 of the connecting plate 3 and is connected and fixed by the connecting bolt 19, the cofferdam board 2 is deeply stuck into the stable soil body at the bottom of the cofferdam main part 1 by the ground peg 27, the connecting handle 8 is rotated, the connecting handle 8 drives the connecting screw rod 7 to rotate, the connecting screw rod 7 can only move along the vertical direction under the action of the limiting block 17 and the limiting slot 18, the connecting screw rod 7 is relatively screwed with the connecting anchor rod 6, and is moved downward to be inserted into the stable soil body, thereby improving the stability of the cofferdam main part 1, the epoxy resin coating 28 is arranged, thereby improving the wear resistance and corrosion resistance of the cofferdam board 2 and the connecting plate 3 in the fresh water and seawater environment, and the service life of the cofferdam board 2 is improved.
[0031] Please refer to Figures 4-5 , as an embodiment for horizontal detection of the cofferdam board 2: the moving slot 20 is arranged on the cofferdam board 2, the moving screw rod 21 is rotatably arranged on the moving slot 20, the moving screw rod 21 is screwed with the moving block 9, one end of the moving screw rod 21 is equipped with the moving handle 22, the sliding slot 23 is arranged on the moving block 9, the sliding rod 24 is arranged on the sliding slot 23, one end of the sliding rod 24 is fixedly connected with the detection frame 10, the other end is equipped with the sliding plate 25, and the sliding spring 26 is arranged between the detection frame 10 and the sliding slot 23 on the outer side of the sliding rod 24.
[0032] More specifically, when installing the cofferdam body 1, the installation angle of the cofferdam body 1 is detected, the moving handle 22 is rotated, the moving screw 21 is driven to rotate by the moving handle 22, the moving block 9 is driven to move in the vertical direction, so that the moving block 9 is located below the water surface, the detection plate 13 is horizontally floated on the water surface under the buoyancy of the air bag 15, and the sliding spring 26 is in a stretched state, so that the air bag 15 is more attached to the water surface, the detection plate 13 is closer to the horizontal plane angle, the horizontal angle of the horizontal plane is calibrated, the angle of the cofferdam is calibrated through the fixed shaft 11 and the pointer 16, the angle position of the cofferdam is detected, and the construction convenience is improved.
[0033] In summary, when the overall equipment is used or operated: when assembling the cofferdam body 1, the insertion block 4 of the cofferdam plate 2 is inserted into the insertion slot 5 of the connecting plate 3, and is connected and fixed through the connecting bolt 19, the cofferdam plate 2 is deeply inserted into the stable soil at the bottom of the cofferdam body 1 through the ground nail 27, the connecting handle 8 is rotated, the connecting screw 7 is driven to rotate by the connecting handle 8, the connecting screw 7 can only move in the vertical direction under the action of the limiting block 17 and the limiting slot 18, the connecting screw 7 is relatively screwed with the connecting anchor rod 6, and is inserted into the stable soil downwards, so that the stability of the cofferdam body 1 is improved, the wear and corrosion resistance of the cofferdam plate 2 and the connecting plate 3 in fresh water and seawater environment is improved through the setting of the epoxy resin coating 28, and the service life of the cofferdam plate 2 is improved.
[0034] When installing the cofferdam body 1, the installation angle of the cofferdam body 1 is detected, the moving handle 22 is rotated, the moving screw 21 is driven to rotate by the moving handle 22, the moving block 9 is driven to move in the vertical direction, so that the moving block 9 is located below the water surface, the detection plate 13 is horizontally floated on the water surface under the buoyancy of the air bag 15, and the sliding spring 26 is in a stretched state, so that the air bag 15 is more attached to the water surface, the detection plate 13 is closer to the horizontal plane angle, the horizontal angle of the horizontal plane is calibrated, the angle of the cofferdam is calibrated through the fixed shaft 11 and the pointer 16, the angle position of the cofferdam is detected, and the construction convenience is improved.
[0035] The other parts not described in the utility model are all prior art, so they will not be described here.
[0036] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A cofferdam for hydraulic construction, comprising a cofferdam main body (1), characterized in that: The cofferdam body (1) includes cofferdam plate (2) and connecting plate (3), both ends of the cofferdam plate (2) are provided with insertion block (4), both sides of the connecting plate (3) are provided with insertion slot (5), the connecting anchor rod (6) is slidably arranged on the connecting plate (3), the connecting screw rod (7) is rotatably arranged on the connecting plate (3), one end of the connecting screw rod (7) is threadedly connected with the connecting anchor rod (6), the other end is provided with connecting handle (8), the moving block (9) is arranged on the cofferdam plate (2), the detection frame (10) is arranged on the moving block (9), the fixed shaft (11) is arranged on the detection frame (10), the rotating seat (12) is arranged on the fixed shaft (11), the detection plate (13) is arranged on the rotating seat (12), the protractor (14) is arranged on the detection plate (13), the air bag (15) is arranged at the bottom of both ends of the detection plate (13), the pointer (16) is arranged on the fixed shaft (11).
2. The cofferdam for hydraulic construction according to claim 1, characterized in that: The connecting anchor rod (6) is provided with a limiting block (17), and the connecting plate (3) is provided with a limiting groove (18) matched with the limiting block (17).
3. The cofferdam for hydraulic construction according to claim 1, characterized in that: The connecting plate (3) and the insertion block (4) are provided with connecting bolts (19).
4. The cofferdam for hydraulic construction according to claim 1, characterized in that: The cofferdam plate (2) is provided with a moving slot (20), and the moving screw rod (21) is rotatably arranged on the moving slot (20), the moving screw rod (21) is threadedly connected with the moving block (9), and one end of the moving screw rod (21) is provided with a moving handle (22).
5. The cofferdam for hydraulic construction according to claim 1, characterized in that: The moving block (9) is provided with a sliding groove (23), and the sliding rod (24) is arranged on the sliding groove (23), one end of the sliding rod (24) is fixedly connected with the detection frame (10), and the other end is provided with a sliding plate (25).
6. The cofferdam for hydraulic construction according to claim 5, characterized in that: The outer side of the sliding rod (24) is provided with a sliding spring (26) between the detection frame (10) and the sliding groove (23).
7. The cofferdam for hydraulic construction according to claim 1, characterized in that: The cofferdam plate (2) is provided with a plurality of ground nails (27) arranged at the bottom.
8. The cofferdam for hydraulic construction according to claim 1, characterized in that: The surface of the cofferdam plate (2) and the connecting plate (3) is coated with an epoxy resin coating (28).