Cofferdam device for hydraulic engineering construction
By adopting a combination structure of connecting rods and vertical inserts in the cofferdam device for water conservancy construction, the problem of deformation of the cofferdam slab due to water pressure was solved, and the stability and sealing performance were improved, ensuring the stability and waterproofing effect during the construction process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-03-31
AI Technical Summary
Existing cofferdam devices for water conservancy construction are prone to deformation of the cofferdam slabs due to external water pressure during long-term use, and lack effective reinforcement structures.
The combination structure of connecting rods and vertical inserts enables the support and positioning of the semi-circular cofferdam plate. Components such as fixed connecting blocks, positioning inserts, and rotating clamps are used for sealing and positioning to ensure the coaxiality and stability of the cofferdam plate. The linkage between the connecting rods and vertical inserts is used for reinforcement.
It effectively prevents the cofferdam plate from deforming under water pressure, ensures sealing and stability, avoids leakage and misalignment, and improves the service life of the cofferdam device.
Smart Images

Figure CN224063483U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water conservancy construction field especially relates to a cofferdam device for water conservancy construction. BACKGROUND
[0002] The prior art (publication number: CN221972453U) proposes a water conservancy construction cofferdam device, including cofferdam board, the outside of coffer dam board is provided with trigger subassembly, the inside of cofferdam board is provided with power generation subassembly, the trigger subassembly includes ring groove, the ring groove is opened in the side surface of cofferdam board, the bottom inner wall and top inner wall of ring groove are opened with a plurality of ball grooves and ball groove is annular array distribution, the inside of each ball groove is movably sleeved with a ball, the ring groove is movably sleeved with a rotating ring, the top and bottom of rotating ring are opened with rolling groove and rolling groove is movably connected with ball. However the inside of this circular cofferdam does not have the structure that it is reinforced, is susceptible to the deformation of cofferdam board under the pressure of outside water in long-term use. SUMMARY
[0003] The utility model provides a kind of cofferdam device for water conservancy construction by the vertical insertion rod of different positions being connected in series by two-by-two interconnection connecting rod in view of the above-mentioned deficiencies of prior art, connecting rod two-by-two each other is adjacent to the vertical insertion rod and is reinforced to the position, further to the outside of semicircle cofferdam board is supported and positioned, when cofferdam is used in water conservancy construction, prevent semicircle cofferdam board from being deformed inward under the pressure of outside water flow in semicircle cofferdam board.
[0004] The utility model aims to realize by following technical scheme:
[0005] A kind of cofferdam device for water conservancy construction, including semicircle cofferdam board, fixed sleeve, vertical insertion rod, arc outer plate, positioning insertion rod, fixed connecting block, outer plate upper block, arc inner plate, rotating clamping plate, connecting rod, the semicircle cofferdam board has rectangular clearance hole, arc outer plate side has fixed connecting block, fixed connecting block is symmetrically set in arc outer plate inner side, fixed connecting block is adapted to rectangular clearance hole, and fixed connecting block is inserted into rectangular clearance hole, arc outer plate inner side is attached to semicircle cofferdam board, a group of semicircle cofferdam board is symmetrically set, symmetric semicircle cofferdam board is attached, and the upper and lower surfaces of symmetric semicircle cofferdam board are aligned, arc outer plate side is connected with positioning insertion rod, and two rows of positioning insertion rods are evenly distributed in arc outer plate inner side.
[0006] The semicircle cofferdam board side has a plurality of clearance strip holes, positioning insertion rod is adapted to clearance strip hole, positioning insertion rod is inserted into clearance strip hole, arc outer plate upper portion has outer plate upper block, outer plate upper block has rectangular supporting groove, rotating clamping plate is adapted to rectangular supporting groove, rotating clamping plate is inserted into rectangular supporting groove, and outer plate upper block side has upper block side block, and rotating clamping plate is connected with upper block side block by pivot.
[0007] The arc-shaped inner plate outer side surface is fitted with the semicircular cofferdam plate inner side surface, the arc-shaped inner plate has a plurality of strip-shaped insertion holes corresponding to the strip-shaped holes, the positioning insertion rods are adapted to the strip-shaped insertion holes, the positioning insertion rods are inserted into the strip-shaped insertion holes, the arc-shaped inner plate lower part has an inner plate lower sleeve, the inner plate lower sleeve two side surfaces are fitted with a group of fixed connection blocks, and the inner plate lower sleeve is axially connected with the fixed connection blocks. Advantages
[0008] 1. The fixed connection blocks are inserted into the rectangular strip-shaped holes, a group of fixed connection blocks are used for positioning the closed semicircular cofferdam plates, and the alignment of the upper and lower surfaces of the semicircular cofferdam plates is ensured; the inner plate lower sleeve is axially connected with the fixed connection blocks, the arc-shaped outer plate is matched with the arc-shaped inner plate to clamp the semicircular cofferdam plates, the coaxiality of the closed semicircular cofferdam plates is ensured, the arc-shaped outer plate and the arc-shaped inner plate clamp the semicircular cofferdam plates at the same time and seal the closed connection parts of the semicircular cofferdam plates, water leakage from the closed parts of the symmetrical semicircular cofferdam plates is prevented during the use of the cofferdam in the water conservancy engineering construction, the positioning insertion rods pass through the strip-shaped holes and the strip-shaped insertion holes in sequence, and a group of positioning insertion rods are used for positioning the closed semicircular cofferdam plates, so that the symmetrical semicircular cofferdam plate side surfaces are perfectly closed, and misplacement of the semicircular cofferdam plates is prevented during the use of the cofferdam in the water conservancy engineering construction, the rotating clamping plates are connected with the upper block side blocks through the rotating shafts, the rotating clamping plates are installed on the outer plate upper blocks, the rotating clamping plates are arranged in a rotatable structure, and the rotating clamping plates are convenient to rotate and disassemble.
[0009] 2. The rotating clamping plates are rotated to be horizontal, the rotating clamping plates abut against the arc-shaped inner plates, the arc-shaped outer plates and the arc-shaped inner plates are tightly clamped, and the two plates are prevented from being disconnected during the use of the cofferdam in the water conservancy engineering construction; the fixed sleeves are connected with the semicircular cofferdam plates through the fixed sleeve side rods, a plurality of fixed sleeves are fixed at positions on the inner side of the semicircular cofferdam plates, the vertical insertion rods are inserted into the fixed sleeves, a group of fixed sleeves distributed upwards and downwards position the vertical insertion rods, the positions of the vertical insertion rods in the semicircular cofferdam plates are fixed, the vertical insertion rods are inserted into the connecting rod side sleeves, two adjacent connecting rods are connected with adjacent vertical insertion rods, the connecting rods connected in pairs are connected with vertical insertion rods at different positions in series, the connecting rods connected in pairs reinforce the positions of the adjacent vertical insertion rods, and then the outer side of the semicircular cofferdam plate is supported and positioned, and the semicircular cofferdam plate is prevented from deforming inward under the water flow pressure on the outer side during the use of the cofferdam in the water conservancy engineering construction. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 The utility model discloses a cofferdam device structure schematic view for water conservancy engineering construction.
[0011] Figure 2 The utility model discloses a semicircular cofferdam plate and vertical insertion rod structure schematic view.
[0012] Figure 3 The utility model discloses an arc-shaped outer plate structure schematic view.
[0013] Figure 4 The arc-shaped inner plate structure schematic view.
[0014] Figure 5 The connecting rod structure schematic view. DETAILED DESCRIPTION
[0015] The utility model will be further explained in detail below according and example to the utility model:
[0016] Example 1:
[0017] A cofferdam device for hydraulic engineering construction, including semicircle cofferdam board 01, fixed sleeve 04, vertical plug 06, arc outer plate 07, positioning plug 08, fixed connecting block 09, outer plate upper block 10, arc-shaped inner plate 13, rotating clamping plate 16, connecting rod 18, semicircle cofferdam board 01 has rectangular let go hole 02, arc outer plate 07 side has fixed connecting block 09, fixed connecting block 09 is set up symmetrically in the inner side of arc outer plate 07, fixed connecting block 09 is adapted to rectangular let go hole 02, fixed connecting block 09 is inserted into rectangular let go hole 02, and a group of fixed connecting block 09 is positioned to the matched semicircle cofferdam board 01, and it is guaranteed that the upper and lower surfaces of semicircle cofferdam board 01 are aligned, and the inner side of arc outer plate 07 is attached to semicircle cofferdam board 01, and a group of semicircle cofferdam board 01 is set up symmetrically, and the symmetric semicircle cofferdam board 01 is attached, and the upper and lower surfaces of symmetric semicircle cofferdam board 01 are aligned, and arc outer plate 07 side is connected with positioning plug 08, and two rows of positioning plug 08 are evenly distributed in the inner side of arc outer plate 07.
[0018] Example 2:
[0019] The semicircle cofferdam board 01 side of the utility model has a plurality of let go strip holes 03, the positioning plug 08 is adapted to the let go strip hole 03, the positioning plug 08 is inserted into the let go strip hole 03, the arc outer plate 07 upper portion has the outer plate upper block 10, the outer plate upper block 10 has the rectangular groove 11, the rotating clamping plate 16 is adapted to the rectangular groove 11, the rotating clamping plate 16 is inserted into the rectangular groove 11, the outer plate upper block 10 side has the upper block side block 12, the rotating clamping plate 16 is connected with the upper block side block 12 through the rotating shaft 17, so that the rotating clamping plate 16 is installed on the outer plate upper block 10, and the rotating clamping plate 16 is set up into rotatable structure, and it is convenient to rotate and disassemble.
[0020] Example 3:
[0021] The utility model discloses the arc inner board 13 outer side surface and semicircle cofferdam board 01 inboard surface are pasted together, and the arc inner board 13 has a plurality of strip-shaped insertion hole 14, and the strip-shaped insertion hole 14 corresponds with the let go strip-shaped hole 03, and the positioning insertion rod 08 is adapted to the strip-shaped insertion hole 14, and the positioning insertion rod 08 is inserted into the strip-shaped insertion hole 14, and the positioning insertion rod 08 passes through the let go strip-shaped hole 03, the strip-shaped insertion hole 14 in proper order, and the semicircle cofferdam board 01 is positioned through two rows of positioning insertion rod 08, and the symmetrical semicircle cofferdam board 01 side surface perfects the coaptation, prevents the misplacement of both when using in the water conservancy construction cofferdam, and the arc inner board 13 lower part has the inner board lower sleeve 15, and the inner board lower sleeve 15 two side surfaces and a group of fixed connecting block 09 are pasted together, and the inner board lower sleeve 15 is connected with the fixed connecting block 09 axle, and the arc outer board 7 is cooperated with the arc inner board 13 and is clamped to the semicircle cofferdam board 01, guarantees the coaxiality of the semicircle cofferdam board 01 of coaptation, and the arc outer board 7 is cooperated with the arc inner board 13 and is clamped to the semicircle cofferdam board 01, and the coaptation junction of both is sealed, prevents the water from leaking from the coaptation of the symmetrical semicircle cofferdam board 01 when using in the water conservancy construction cofferdam.
[0022] Embodiment 4
[0023] The utility model discloses the rotation card board 16 inboard surface and arc inner board 13 are resisted, and rotate the rotation card board 16 to horizontal time makes the rotation card board 16 and arc inner board 13 are resisted, and the arc outer board 7 and arc inner board 13 carry out the close clamping, prevent the disconnection of both when using in the water conservancy construction cofferdam, and the fixed sleeve side rod 5 of fixed sleeve 04 side surface has, and the fixed sleeve side rod 5 connects semicircle cofferdam board 01, and a plurality of fixed sleeve 04 evenly distributes in semicircle cofferdam board 01, and the fixed sleeve 04 is connected with semicircle cofferdam board 01 through fixed sleeve side rod 5, and the position of a plurality of fixed sleeve 04 is fixed in semicircle cofferdam board 01 inboard, and the vertical insertion rod 6 is adapted to fixed sleeve 04, and the vertical insertion rod 6 is inserted into fixed sleeve 04, and a group of fixed sleeve 04 that distributes in the upper and lower positions is positioned to the vertical insertion rod 6, and the position of the vertical insertion rod 6 is fixed in semicircle cofferdam board 01, and the both ends of connecting rod 18 have symmetrical connecting rod side sleeve 19, and the vertical insertion rod 6 is adapted to connecting rod side sleeve 19, and the vertical insertion rod 6 is inserted into connecting rod side sleeve 19, and the lower surface of connecting rod side sleeve 19 and fixed sleeve 04 are pasted together, and adjacent connecting rod 18 are pasted together, and adjacent two connecting rod 18 are connected with adjacent vertical insertion rod 6, and the vertical insertion rod 6 of different positions is connected in series through two two connecting rod 18, and the vertical insertion rod 6 is positioned to reinforce the position of adjacent two connecting rod 18, and then the outside of semicircle cofferdam board 01 is supported and positioned, and the semicircle cofferdam board 01 is prevented from deforming inward under the pressure of outside water flow when using in the water conservancy construction cofferdam.
[0024] Embodiment 5
[0025] The utility model discloses installation steps: first, the fixed connecting block 09 is inserted into the rectangular let -alone hole 02, and the positioning plug rod 08 is inserted into the let -alone strip -shaped hole 03, and the inner plate lower sleeve 15 is connected with the fixed connecting block 09 axle, and the positioning plug rod 08 is inserted into the strip -shaped insertion hole 14, and the rotary clamping plate 16 is connected with the block side block 12 through the rotating shaft 17, and the rotary clamping plate 16 is inserted into the rectangular groove 11 by rotating the rotary clamping plate 16, and the fixed sleeve side rod 05 is connected with the semicircle cofferdam plate 01, and the connecting rod side sleeve 19 is aligned with the fixed sleeve 04, and the adjacent connecting rod 18 is pasted, and the vertical plug rod 06 is sequentially passed through the connecting rod side sleeve 19 and the fixed sleeve 04.
[0026] The above only is the preferred implementation of the utility model, and is not used to limit the utility model, and it should be pointed out that for ordinary skilled person in the art, on the premise of not departing from the technical principle of the utility model, can also make a number of improvements and variations, and these improvements and variations also should be regarded as the protection scope of the utility model.
Claims
1. A cofferdam device for hydraulic engineering construction, characterized in that : The utility model provides a kind of semi-circular cofferdam plate (01), fixed sleeve (04), vertical insertion pole (06), arc outer plate (07), positioning insertion pole (08), fixed connecting block (09), outer plate upper block (10), arc inner plate (13), rotating clamping plate (16), connecting rod (18), the semi-circular cofferdam plate (01) has rectangular let -one's hair hole (02), arc outer plate (07) side has fixed connecting block (09), fixed connecting block (09) is symmetrically arranged in arc outer plate (07) inner side, fixed connecting block (09) is adapted to rectangular let -one's hair hole (02), fixed connecting block (09) is inserted into rectangular let -one's hair hole (02), arc outer plate (07) inner side is attached to semi-circular cofferdam plate (01), a group of semi-circular cofferdam plate (01) is symmetrically arranged, symmetric semi-circular cofferdam plate (01) is attached, the upper and lower surfaces of symmetric semi-circular cofferdam plate (01) are all aligned, arc outer plate (07) side is connected with positioning insertion pole (08), and two rows of positioning insertion pole (08) are evenly distributed in arc outer plate (07) inner side.
2. The cofferdam device for hydraulic engineering construction according to claim 1, characterized in that : The semi-circular cofferdam plate (01) side has a plurality of let -one's hair strip holes (03), positioning insertion pole (08) is adapted to let -one's hair strip hole (03), and positioning insertion pole (08) is inserted into let -one's hair strip hole (03), and arc outer plate (07) upper portion has outer plate upper block (10), and outer plate upper block (10) has rectangular groove (11), and rotating clamping plate (16) is adapted to rectangular groove (11), and rotating clamping plate (16) is inserted into rectangular groove (11), and outer plate upper block (10) side has upper block side block (12), and rotating clamping plate (16) is connected with upper block side block (12) by rotating shaft (17).
3. The cofferdam device for hydraulic engineering construction according to claim 2, characterized in that : The arc inner plate (13) outer side is attached to semi-circular cofferdam plate (01) inner side, and the arc inner plate (13) has a plurality of strip insertion holes (14), and the strip insertion hole (14) corresponds to let -one's hair strip hole (03), and positioning insertion pole (08) is adapted to strip insertion hole (14), and positioning insertion pole (08) is inserted into strip insertion hole (14), and the arc inner plate (13) lower portion has inner plate lower sleeve (15), and the two sides of inner plate lower sleeve (15) are attached to a group of fixed connecting block (09), and inner plate lower sleeve (15) is connected with fixed connecting block (09) shaft.
4. The cofferdam device for hydraulic engineering construction according to claim 3, characterized in that : The rotating clamping plate (16) inner side is abutted with arc inner plate (13), and the fixed sleeve (04) side has fixed sleeve side rod (05), and fixed sleeve side rod (05) is connected with semi-circular cofferdam plate (01), and a plurality of fixed sleeves (04) are evenly distributed in semi-circular cofferdam plate (01) inside, and vertical insertion pole (06) is adapted to fixed sleeve (04), and vertical insertion pole (06) is inserted into fixed sleeve (04).
5. The cofferdam device for hydraulic engineering construction according to claim 1, characterized in that : The connecting rod (18) both ends have symmetric connecting rod side sleeve (19), and vertical insertion pole (06) is adapted to connecting rod side sleeve (19), and vertical insertion pole (06) is inserted into connecting rod side sleeve (19), and connecting rod side sleeve (19) lower surface is attached to fixed sleeve (04), and adjacent connecting rod (18) is attached.
Citation Information
Patent Citations
Water conservancy construction cofferdam device
CN221972453U