Anti-seepage cofferdam of reservoir
By introducing anti-seepage mechanism and protective mechanism into the anti-seepage cofferdam of the reservoir, using hydraulic rods and slide rods to adjust the baffle, combining buffer stones and stacking retaining walls, the problem of insufficient water level adjustment and construction safety during high tide is solved, and the problem of insufficient water level adjustment and construction safety is achieved. Effective water flow interception and construction safety improvement.
Patent Information
- Application Number
- CN202421105414.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-21
AI Technical Summary
The existing reservoir anti-seepage cofferdam cannot adjust the baffle according to the actual water level during high tide, resulting in the inability to effectively intercept the water flow, and the construction safety in the construction environment is insufficient.
A reservoir anti-seepage cofferdam consisting of anti-seepage mechanism and protective mechanism is designed. The anti-seepage mechanism uses hydraulic rods and connecting plates to match slide rods and baffles to realize the upper and lower limit movement of the baffles. The protective mechanism passes through stairs, handrails and buffers. Fences improve construction safety and buffer the waves by buffering stones and stacking retaining walls.
The water level adjustment and water flow interception at high tide are achieved, the protection and construction safety of the cofferdam are improved, and the safety and efficiency of the construction environment are ensured.
Smart Images
Figure CN222275530U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cofferdams, in particular to an anti-seepage cofferdam of a reservoir. Background Art
[0002] Cofferdam construction is an important part of water conservancy project construction and is also the basis for construction to meet safe working conditions. At present, the application environment of cofferdam technology in water conservancy project construction is mostly within the scope of reservoirs or rivers, with low terrain, concentrated construction areas, and high requirements for drainage during the construction period. The cofferdam must meet the requirements of water retention and anti-seepage during the construction period.
[0003] A Chinese patent discloses an anti-seepage cofferdam structure and a cofferdam body structure of a reservoir, with the publication number CN220202720U, comprising a cofferdam body arranged in the reservoir, an intercepting drainage ditch for intercepting the runoff on the reservoir bank arranged on the reservoir bank, a working well for filtering the water in the intercepting drainage ditch arranged at the outlet of the intercepting drainage ditch, a water culvert penetrating the cofferdam body arranged in the cofferdam body above the normal water level of the reservoir, the water culvert is connected to the outlet of the working well, the elevation of the top surface of the upper filling component is higher than the high water level line of the reservoir, and an anti-seepage component is arranged in the lower filling component along the length direction of the cofferdam body.
[0004] However, there are still the following disadvantages: when the anti-seepage cofferdam structure and the cofferdam body structure of the reservoir are in use, when high tide occurs, the corresponding baffle cannot be adjusted according to the actual water level, so an anti-seepage cofferdam of the reservoir is designed. Utility Model Content
[0005] The utility model aims to provide an anti-seepage cofferdam for a reservoir to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above object, the utility model provides the following technical solution: an anti-seepage cofferdam of a reservoir comprises a cofferdam body, an anti-seepage mechanism is fixedly arranged inside the cofferdam body, and a protective mechanism is fixedly arranged on the top surface of the cofferdam body;
[0007] The anti-seepage mechanism comprises an anti-seepage part and an adjusting part, and the side surface of the adjusting part and the side surface of the anti-seepage part are fixedly connected;
[0008] The adjusting part comprises a hydraulic rod, and the sides of the two hydraulic rods are respectively fixedly connected to the inner walls of the left and right ends of the cofferdam body;
[0009] The protection mechanism comprises a protection part and a connection part, and the side surface of the connection part is fixedly connected to the side surface of the protection part;
[0010] The protection part comprises stairs, and the inner walls at the front and rear ends of the cofferdam body are respectively fixedly connected to the two side faces of the stairs.
[0011] Preferably, a plurality of buffer stones are fixedly provided on the right front end surface and the left back end surface of the cofferdam body, an anti-seepage cavity is fixedly opened inside the cofferdam body, and a clay sealing layer is fixedly provided on the top inner wall of the anti-seepage cavity of the cofferdam body.
[0012] Preferably, a fine aggregate layer is fixedly provided on the inner wall at the top middle part of the anti-seepage cavity of the cofferdam body, a coarse aggregate layer is fixedly provided on the inner wall at the bottom middle part of the anti-seepage cavity of the cofferdam body, and a supporting screen plate is fixedly provided on the inner wall at the bottom end of the anti-seepage cavity of the cofferdam body.
[0013] Preferably, the bottom surface of the clay seal layer is fixedly connected to the top surface of the fine aggregate layer, the bottom surface of the fine aggregate layer is fixedly connected to the top surface of the coarse aggregate layer, the bottom surface of the coarse aggregate layer is fixedly connected to the top surface of the supporting screen plate, and a stacking retaining wall is fixedly provided on the top surface of the cofferdam body.
[0014] Preferably, two connecting plates are fixedly provided on the top surfaces of the two hydraulic rod output rods respectively, a sliding rod is fixedly provided on the inner side surface of the connecting plate, the side surface of the sliding rod is frictionally and slidingly connected to the inner wall of the stacked retaining wall, a baffle is fixedly provided on the inner side surface of the sliding rod, the side surface of the baffle is frictionally and slidingly contacted with the inner wall of the stacked retaining wall, a warning light is fixedly provided on the top surface of the baffle, and a warning flag is fixedly provided on the top surface of the baffle.
[0015] Preferably, handrails are fixedly provided on the sides of the stairs and the front of the cofferdam body, a connecting rod is fixedly provided on the front of the cofferdam body, a supporting rod is fixedly provided on the bottom surface of the cofferdam body, and a buffer fence is fixedly provided on the front of the connecting rod and the top surface of the supporting rod.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] 1. The anti-seepage cofferdam of the reservoir is equipped with an anti-seepage mechanism. Through the cooperation of the hydraulic rod and the connecting plate, the sliding rod can drive the baffle to move up and down. When the tide rises, the water level is too high and the position of the baffle can be adjusted to intercept the water. It is convenient and quick to use.
[0018] 2. The anti-seepage cofferdam of the reservoir is equipped with buffer stones and stacked retaining walls, so that when a tide occurs, the water inside the reservoir can be effectively buffered by the buffer stones, so that it will not cause damage to the rear end of the cofferdam body, thereby improving the protectiveness of the cofferdam body;
[0019] 3. The anti-seepage cofferdam of the reservoir is equipped with a protective mechanism, and the handrails and buffer fences work together to ensure that when the staff pass through the cofferdam body under the stairs, the handrails can effectively protect the safety of the staff, and there will be no accidents. The buffer fence will not fall into the reservoir, which greatly improves safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a three-dimensional schematic diagram of the front structure of the utility model;
[0021] Figure 2 It is a three-dimensional cross-sectional schematic diagram of the right side structure of the utility model;
[0022] Figure 3 It is a three-dimensional schematic diagram of the back structure of the utility model;
[0023] Figure 4 For this utility model Figure 1 A three-dimensional enlarged schematic diagram of the structure of the middle A area;
[0024] Figure 5 For this utility model Figure 3 A three-dimensional enlarged schematic diagram of the structure of area B in the middle.
[0025] In the figure: 1. cofferdam body; 2. anti-seepage mechanism; 201. buffer stones; 202. clay seal layer; 203. fine aggregate layer; 204. coarse aggregate layer; 205. supporting screen plate; 206. stacking retaining wall; 207. hydraulic rod; 208. connecting plate; 209. sliding rod; 210. baffle; 3. protection mechanism; 301. stairs; 302. handrail; 303. connecting rod; 304. supporting rod; 305. buffer fence; 306. warning light; 307. warning flag. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] See also Figure 1-Figure 5 As shown, an anti-seepage cofferdam of a reservoir comprises a cofferdam body 1, an anti-seepage mechanism 2 is fixedly arranged inside the cofferdam body 1, and a protective mechanism 3 is fixedly arranged on the top surface of the cofferdam body 1; the anti-seepage mechanism 2 comprises an anti-seepage part and an adjusting part, and the side surface of the adjusting part is fixedly connected to the side surface of the anti-seepage part; the adjusting part comprises a hydraulic rod 207, and the sides of the two hydraulic rods 207 are respectively fixedly connected to the inner walls of the left and right ends of the cofferdam body 1; the protective mechanism 3 comprises a protective part and a connecting part, and the side surface of the connecting part is fixedly connected to the side surface of the protective part; the protective part comprises a staircase 301, and the staircase 301 is made of cement, and the inner walls of the front and rear ends of the cofferdam body 1 are respectively fixedly connected to the sides of the two staircases 301;
[0028] During operation, when the tide is high, the user leaves through the stairs 301 and activates the two hydraulic rods 207 to move the two connecting plates 208 upward.
[0029] Furthermore, a plurality of buffer stones 201 are fixedly arranged on the right front end face and the left back end face of the cofferdam body 1, respectively. The buffer stones 201 can effectively reduce the pressure and buffer the waves. An anti-seepage cavity is fixedly opened inside the cofferdam body 1, and a clay sealing layer 202 is fixedly arranged on the inner wall of the top of the anti-seepage cavity of the cofferdam body 1.
[0030] When working, the buffer stones 201, the clay seal layer 202, the fine aggregate layer 203, the coarse aggregate layer 204 and the supporting screen plate 205 are used to effectively buffer and prevent waves from seeing through.
[0031] Furthermore, a fine aggregate layer 203 is fixedly provided on the inner wall of the top middle part of the anti-seepage cavity of the cofferdam body 1, a coarse aggregate layer 204 is fixedly provided on the inner wall of the bottom middle part of the anti-seepage cavity of the cofferdam body 1, and a supporting screen plate 205 is fixedly provided on the inner wall of the bottom end of the anti-seepage cavity of the cofferdam body 1;
[0032] When working, the buffer stones 201, the clay seal layer 202, the fine aggregate layer 203, the coarse aggregate layer 204 and the supporting screen plate 205 are used to effectively buffer and prevent waves from seeing through.
[0033] Furthermore, the bottom surface of the clay seal layer 202 is fixedly connected to the top surface of the fine aggregate layer 203, the bottom surface of the fine aggregate layer 203 is fixedly connected to the top surface of the coarse aggregate layer 204, the bottom surface of the coarse aggregate layer 204 is fixedly connected to the top surface of the supporting screen plate 205, and a stacking retaining wall 206 is fixedly provided on the top surface of the cofferdam body 1;
[0034] When working, the buffer stones 201, the clay seal layer 202, the fine aggregate layer 203, the coarse aggregate layer 204 and the supporting screen plate 205 are used to effectively buffer and prevent waves from seeing through.
[0035] Furthermore, two connecting plates 208 are fixedly provided on the top surfaces of the output rods of the two hydraulic rods 207, respectively, and a sliding rod 209 is fixedly provided on the inner side surface of the connecting plate 208. The side surface of the sliding rod 209 is frictionally and slidingly connected to the inner wall of the stacking retaining wall 206. A baffle 210 is fixedly provided on the inner side surface of the sliding rod 209. A material discharge port is fixedly provided on the left end surface of the baffle 210. The side surface of the baffle 210 is in frictional and sliding contact with the inner wall of the stacking retaining wall 206. A warning light 306 is fixedly provided on the top surface of the baffle 210, and a warning flag 307 is fixedly provided on the top surface of the baffle 210.
[0036] During operation, the two hydraulic rods 207 are activated to move the two connecting plates 208 upward, and the baffle plate 210 is moved out of the stacking retaining wall 206 through the limited movement of the sliding rod 209 inside the sliding groove.
[0037] Furthermore, handrails 302 are fixedly arranged on the side of the staircase 301 and the front of the cofferdam body 1, a connecting rod 303 is fixedly arranged on the front of the cofferdam body 1, a supporting rod 304 is fixedly arranged on the bottom surface of the cofferdam body 1, a buffer fence 305 is fixedly arranged on the front of the connecting rod 303 and the top of the supporting rod 304, and a buffer opening is fixedly opened on the front of the buffer fence 305;
[0038] During work, the staff can go down to the bottom of the cofferdam body 1 via the stairs 301 , and the handrails 302 can prevent them from falling while walking on the stairs 301 .
[0039] Working principle: When in use, the staff can first go down to the bottom of the cofferdam body 1 through the stairs 301, and use the handrail 302 to prevent them from falling on the stairs 301. When going down to the bottom of the cofferdam body 1, they can be protected by the buffer fence 305, which is convenient for them to carry out maintenance work on the cofferdam body 1. When the tide is high, they can leave through the stairs 301 and start the two hydraulic rods 207 to move the two connecting plates 208 upward. The sliding rod 209 is moved in a limited position inside the slide groove to move the baffle 210 out of the stacked retaining wall 206 for height adjustment. Fine sand is added to the inside of the baffle 210 to increase its protective ability. In combination with the buffer stone 201, the clay seal layer 202, the fine aggregate layer 203, the coarse aggregate layer 204 and the supporting screen plate 205, the waves are effectively buffered and anti-seepage work is carried out, and the warning light 306 and the warning flag 307 are used to effectively warn personnel to pay attention to safety.
[0040] Although the 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. An anti-seepage cofferdam for a reservoir, comprising a cofferdam body (1), characterized in that: An anti-seepage mechanism (2) is fixedly arranged inside the cofferdam body (1), and a protection mechanism (3) is fixedly arranged on the top surface of the cofferdam body (1); The anti-seepage mechanism (2) comprises an anti-seepage part and an adjustment part, and the side surface of the adjustment part and the side surface of the anti-seepage part are fixedly connected; The adjusting part comprises a hydraulic rod (207), and the sides of the two hydraulic rods (207) are respectively fixedly connected to the inner walls of the left and right ends of the cofferdam body (1); The protection mechanism (3) comprises a protection part and a connection part, and the side surface of the connection part is fixedly connected to the side surface of the protection part; The protection part comprises stairs (301), and the inner walls at the front and rear ends of the cofferdam body (1) are respectively fixedly connected to the sides of two stairs (301).
2. The anti-seepage cofferdam of a reservoir according to claim 1, characterized in that: A plurality of buffer stones (201) are fixedly arranged on the right front end face and the left back end face of the cofferdam body (1), an anti-seepage cavity is fixedly opened inside the cofferdam body (1), and a clay sealing layer (202) is fixedly arranged on the inner wall of the top of the anti-seepage cavity of the cofferdam body (1).
3. The anti-seepage cofferdam of a reservoir according to claim 2, characterized in that: A fine aggregate layer (203) is fixedly arranged on the inner wall at the top end of the middle part of the anti-seepage cavity of the cofferdam body (1), a coarse aggregate layer (204) is fixedly arranged on the inner wall at the bottom end of the middle part of the anti-seepage cavity of the cofferdam body (1), and a supporting screen plate (205) is fixedly arranged on the inner wall at the bottom end of the anti-seepage cavity of the cofferdam body (1).
4. The anti-seepage cofferdam of a reservoir according to claim 3, characterized in that: The bottom surface of the clay seal layer (202) is fixedly connected to the top surface of the fine aggregate layer (203), the bottom surface of the fine aggregate layer (203) is fixedly connected to the top surface of the coarse aggregate layer (204), the bottom surface of the coarse aggregate layer (204) is fixedly connected to the top surface of the supporting screen plate (205), and a stacking retaining wall (206) is fixedly provided on the top surface of the cofferdam body (1).
5. The anti-seepage cofferdam of a reservoir according to claim 4, characterized in that: Two connecting plates (208) are fixedly arranged on the top surfaces of the output rods of the two hydraulic rods (207), respectively; a sliding rod (209) is fixedly arranged on the inner side surface of the connecting plate (208); the side surface of the sliding rod (209) is frictionally and slidingly connected to the inner wall of the stacking retaining wall (206); a baffle (210) is fixedly arranged on the inner side surface of the sliding rod (209); the side surface of the baffle (210) is frictionally and slidingly contacted to the inner wall of the stacking retaining wall (206); a warning light (306) is fixedly arranged on the top surface of the baffle (210); and a warning flag (307) is fixedly arranged on the top surface of the baffle (210).
6. The anti-seepage cofferdam of a reservoir according to claim 1, characterized in that: A handrail (302) is fixedly provided on the side of the staircase (301) and the front of the cofferdam body (1), a connecting rod (303) is fixedly provided on the front of the cofferdam body (1), a supporting rod (304) is fixedly provided on the inner bottom surface of the cofferdam body (1), and a buffer fence (305) is fixedly provided on the front of the connecting rod (303) and the top surface of the supporting rod (304).