CN210127453U - Seepage-proofing gate for hydraulic engineering - Google Patents
Seepage-proofing gate for hydraulic engineering Download PDFInfo
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- CN210127453U CN210127453U CN201920769233.6U CN201920769233U CN210127453U CN 210127453 U CN210127453 U CN 210127453U CN 201920769233 U CN201920769233 U CN 201920769233U CN 210127453 U CN210127453 U CN 210127453U
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Abstract
The utility model relates to a hydraulic engineering technical field provides a seepage prevention gate for hydraulic engineering to the problem of gate seepage, and this technical scheme is as follows: the utility model provides a seepage-proofing gate for hydraulic engineering, including the door frame, gliding actuating mechanism about door plant and operation door plant, door frame fixed connection is in the river course both sides, gliding first spout about supplying the door plant is seted up on the inboard both sides of door frame, the actuating mechanism of door frame top fixedly connected with drive door plant, fixedly connected with sealing member between the inboard of door frame and the door plant, the inside extrusion device that makes the door plant closely laminate with door frame both sides that is provided with of door plant, setting through sealing member and extrusion device, make the laminating degree between door plant and the door frame higher, be favorable to improving the prevention of seepage effect of gate, make the leakproofness of gate better.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field, more specifically say, it relates to a seepage prevention gate for hydraulic engineering.
Background
The gate is a low-head hydraulic structure built on the river channel and canal and used for controlling the flow and regulating the water level.
The existing gate for hydraulic engineering usually comprises a door frame, a gate plate and a driving mechanism for driving the gate plate to slide up and down, and is an important component of a hydraulic building, and the gate can be closed to block flood, block tide or raise the upstream water level so as to meet the requirements of irrigation, power generation, shipping, aquatic products, environmental protection, industrial and domestic water and the like; the gate is opened, flood, waterlogging, water or waste water can be released, and water can be supplied to downstream river channels or channels. In water conservancy projects, the sluice is widely applied as a building for retaining water, draining water or taking water.
However, in the daily use process, as the gate plate and the door frame are made of rigid materials, a certain gap is still left after the gate plate and the door frame are connected, so that water can flow through the gap in the flood blocking, tide blocking or upstream water level raising process, water seepage of the gate is caused, and the blocking effect of the gate is influenced. Therefore, there is room for improvement.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a hydraulic engineering uses prevention of seepage gate has the better advantage of leakproofness.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an anti-seepage gate for hydraulic engineering, gliding actuating mechanism from top to bottom including door frame, gate board and operation gate board, the confession has been seted up on the inboard both sides of door frame the gate board is along gliding first spout from top to bottom, door frame top fixedly connected with drive the gate board is followed gliding actuating mechanism of first spout in the door frame, the door frame inboard with fixedly connected with sealing member between the gate board, the inside swing joint of gate board has the messenger the gate board with the extrusion device of the inseparable laminating in door frame both sides.
Adopt above-mentioned technical scheme, through setting up the sealing member between gate plate and door frame for when the gate plate seals the door frame, the sealing member can seal the clearance between gate plate and the door frame, simultaneously because extrusion device swing joint is inside the gate plate, when making the gate plate seal the door frame, thereby extrusion device can extrude the both sides of gate and make the laminating between gate plate and the door frame inseparabler, is favorable to improving the leakproofness of gate, improves the anti-seepage performance of gate better.
The utility model discloses further set up to: the sealing element comprises a first sealing rubber strip fixedly connected to the inner walls of two sides of the door frame and a second sealing rubber strip fixedly connected to the inner wall of one side, close to the bottom, of the door frame, a third sealing rubber strip fixedly connected to the two sides, close to the door frame, of the gate plate and a fourth sealing rubber strip fixedly connected to one side, close to the bottom, of the gate plate, the first sealing rubber strip is abutted to the third sealing rubber strip, and the second sealing rubber strip is abutted to the fourth sealing rubber strip.
Adopt above-mentioned technical scheme, when the floodgate board was closed the door frame, first joint strip carried out the butt with third joint strip, and second joint strip carries out the butt with fourth joint strip simultaneously, because joint strip has certain elasticity, consequently makes the laminating degree between the joint strip higher at the in-process of butt, and sealed effect is better.
The utility model discloses further set up to: the extrusion device comprises a first trapezoidal plate and a second trapezoidal plate which are connected with the inside of the gate plate in a sliding way, the first trapezoidal plate and the second trapezoidal plate are axially symmetrical relative to the gate plate, a pressing plate for pressing the first trapezoidal plate and the second trapezoidal plate to move outwards is connected between the first trapezoidal plate and the second trapezoidal plate in a sliding manner, a hydraulic cylinder is fixedly connected on one side of the door frame far away from the water bottom, the output end of the hydraulic cylinder is fixedly connected with the extrusion plate, through holes for the first trapezoidal plate and the second trapezoidal plate to extend out are arranged on two sides of the gate plate, convex plates extend outwards from two sides of the first trapezoidal plate and the second trapezoidal plate respectively, a sealing strip is fixedly connected to one side of each convex plate close to the through hole, when the extrusion plate reaches the bottom end inside the gate plate, the sealing strip is abutted to the inner wall of the gate plate.
Adopt above-mentioned technical scheme, when the floodgate board seals the door frame, through starting the pneumatic cylinder, make the output of pneumatic cylinder drive stripper plate downstream, thereby make the stripper plate can carry out the butt with trapezoidal plate at the in-process of downstream, extrude trapezoidal plate through the stripper plate, make trapezoidal plate atress move toward the direction that is close to door frame inner wall both sides, the dynamics of butt between the joint strip has been increased, setting through flange and sealing strip, make trapezoidal plate after the removal, the flange can seal the through-hole, be favorable to the floodgate board to improve the prevention of seepage effect of gate better.
The utility model discloses further set up to: the spring-embedded gate plate is characterized in that a spring is arranged between the convex plate and the inner wall of the gate plate, two ends of the spring are respectively abutted against one side of the convex plate close to the inner wall of the gate plate and the inner wall of the gate plate, and circular grooves for embedding the spring are formed in one side of the convex plate close to the inner wall of the gate plate and the inner wall of the gate plate.
Adopt above-mentioned technical scheme, when opening the gate board, the laminating is inseparable between the joint strip, through the setting of spring for when pulling up the stripper plate, because the effect of spring force, flange and gate board inner wall separation, thereby make separation between the joint strip, thereby it is difficult for joint strip to take place to inlay each other because mutual stretching of gate board and take place to damage when the separation owing to paste closely in long-term use, is favorable to prolonging joint strip's life.
The utility model discloses further set up to: a second sliding groove is formed in the extrusion surface of the extrusion plate, and balls in mutual abutting connection are arranged in the second sliding groove.
Adopt above-mentioned technical scheme, through set up the ball on the extrusion face for the in-process that the stripper plate moved down, and trapezoidal plate between frictional force is littleer, is favorable to the stripper plate to extrude trapezoidal plate better.
The utility model discloses further set up to: the inside swing joint of door frame has with the floodgate board presses to the closing device of first spout inside wall.
Adopt above-mentioned technical scheme, through closing device's setting for closing device can press the gate board to the spout inner wall, is favorable to the gate board to press close to first spout inner wall better when sealing the door frame.
The utility model discloses further set up to: the pressing device comprises wedge-shaped plates which are connected with the inner walls of the two sides of the door frame in a sliding mode, and when the gate is in a working state, the wedge-shaped plates are abutted to the gate plate.
Adopt above-mentioned technical scheme, through the setting of wedge for the wedge is at the in-process that moves down and is lasting butt gate board, makes gate board progressively be close to toward first spout inner wall, is favorable to sealing the space between gate board and the spout better.
The utility model discloses further set up to: and a fillet is arranged on the wedge surface of the wedge plate.
By adopting the technical scheme, the arrangement of the fillet ensures that the stress area is better when the wedge-shaped plate is abutted to the gate plate, and the wedge-shaped plate is beneficial to improving the abutting effect.
The utility model discloses further set up to: the wedge is kept away from submarine one and is served first threaded rod of fixedly connected with, the door frame is kept away from submarine one and serves and offer the confession the round hole that first threaded rod passes through, the first fixed column of round hole top fixedly connected with, it is connected with first worm wheel to rotate on the first fixed column, first worm wheel inboard with first threaded rod meshes, the meshing of the first worm wheel outside has first worm, fixed surface is connected with the confession on the door frame first fixed plate that first worm stretches out, first worm is close to the first runner of fixedly connected with is served to one of first fixed plate.
Adopt above-mentioned technical scheme, when operating the wedge plate, can directly operate first runner in gate one side, make first runner drive first worm synchronous rotation, first worm transmits first worm wheel simultaneously, make first threaded rod reciprocate through the round hole in the door frame under the drive of first worm wheel, thereby drive the wedge plate motion with first threaded rod fixed connection, and then realize playing the effect that rises and descend to the wedge plate, be favorable to the convenience of operation.
The utility model discloses further set up to: the driving mechanism comprises second threaded rods which are fixedly connected to two sides of the end, far away from the water bottom, of the gate plate respectively, round holes are formed in two sides of the end, far away from the water bottom, of the door frame, the round holes are used for the second threaded rods to pass through, second fixing columns are fixedly connected to the round holes, second worm wheels are rotatably connected to the second fixing columns, the inner sides of the second worm wheels are meshed with the second threaded rods, second worms are meshed to the outer sides of the second worm wheels, one side of the upper surface of the door frame is fixedly connected with a second fixing plate for the second worms to stretch out, the second worms are close to one ends of the second fixing plates, fixedly connected with second rotating wheels are fixedly connected to the second fixing plates, and the first rotating wheels and.
Adopt above-mentioned technical scheme, when reciprocating the gate, rotate through the second runner to door frame one side for the second threaded rod can drive the gate board and reciprocate, is favorable to the convenience of operation, sets up first runner and second runner in same one side simultaneously, makes can operate two runners with same one side, and the operation is convenient.
To sum up, the utility model discloses following beneficial effect has:
1. through the arrangement of the sealing element and the extrusion device, the joint degree between the gate plate and the door frame is higher, the seepage-proofing effect of the gate is favorably improved, and the sealing property of the gate is better;
2. through being provided with the spring at flange and floodgate board inner wall for when lifting the stripper plate, because the effect of spring force makes better separation between first joint strip and the third joint strip, be favorable to improving joint strip's life.
3. Through closing device's setting for when the gate board seals the door frame, closing device can make the gate board laminate with first spout better, thereby seals the gate better.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an exploded view of the internal structure of the shutter plate;
fig. 4 is a schematic structural view of the door frame.
In the figure: 1. a door frame; 11. a first chute; 2. a shutter plate; 21. a second circular groove; 3. a drive mechanism; 31. a second threaded rod; 32. a second fixed column; 33. a second worm gear; 34. a second worm; 35. a second fixing plate; 36. a second runner; 4. a seal member; 41. a first sealing rubber strip; 42. a second sealing rubber strip; 43. a third sealing rubber strip; 44. a fourth sealing rubber strip; 5. a pressing device; 51. a wedge plate; 52. round corners; 53. a first threaded rod; 54. a first fixed column; 55. a first worm gear; 56. a first worm; 57. a first fixing plate; 58. a first runner; 6. an extrusion device; 61. a first trapezoidal plate; 62. a second trapezoidal plate; 63. a pressing plate; 631. a second chute; 632. A ball bearing; 64. a hydraulic cylinder; 7. a convex plate; 71. a first circular groove; 8. a spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The utility model provides an anti-seepage gate for hydraulic engineering, combines fig. 1 and fig. 2, includes door frame 1 of fixed connection in the river course both sides, and first spout 11 has been seted up on 1 inboard both sides of door frame, and sliding connection has a floodgate board 2 of sealing door frame 1 in first spout 11, and 1 top fixedly connected with of door frame drives the gliding actuating mechanism 3 from top to bottom of floodgate board 2.
Combine fig. 3 and fig. 4, fixedly connected with sealing member 4 between door frame 1 inboard and the gate board 2, sealing member 4 includes first joint strip 41 of difference fixed connection in first spout 11 inner wall, fixed connection is close to the second joint strip 42 on one side inner wall at bottom in door frame 1, gate board 2 is close to respectively fixedly connected with third joint strip 43 on the both sides of door frame 1, fixed connection is close to the fourth joint strip 44 on one side at bottom in gate board 2, first joint strip 41 and third joint strip 43 butt, second joint strip 42 and fourth joint strip 44 butt.
Referring to fig. 1, a pressing device 5 for pressing the gate plate 2 to the inner wall of the chute is slidably connected to the inside of the door frame 1, the pressing device 5 includes a wedge plate 51 slidably connected to the inner wall of the door frame 1 at both sides, a round angle 52 (see fig. 3) is formed on the wedge surface of the wedge plate 51, when the gate plate 2 is in an operating state, the round angle 52 abuts against the gate plate 2, a first threaded rod 53 is fixedly connected to one end of the wedge plate 51 away from the water bottom, a round hole for the first threaded rod 53 to pass through is formed on one end of the door frame 1 away from the water bottom, a first fixed column 54 is fixedly connected above the round hole, a first worm wheel 55 is rotatably connected to the first fixed column 54, the inner side of the first worm wheel 55 is engaged with the first threaded rod 53, a first worm 56 is engaged to the outer side of the first worm wheel 55, a first fixed plate 57 for the first worm 56 to extend out is fixedly connected to the upper surface, first wheel 58 is on the same side as second wheel 36.
Referring to fig. 3, inside being provided with of gate panel 2 makes the extrusion device 6 that gate panel 2 and door frame 1 both sides closely laminated, extrusion device 6 includes sliding connection in inside and first trapezoidal plate 61 and the second trapezoidal plate 62 about gate panel 2 axial symmetry of gate panel 2, sliding connection has the first trapezoidal plate 61 of extrusion and the stripper plate 63 of the door frame 1 both sides of closely laminating of second trapezoidal plate 62 between first trapezoidal plate 61 and the second trapezoidal plate 62, second spout 631 has been seted up on the plane of extrusion of stripper plate 63, the inside ball 632 that is full of mutual butt that is full of second spout 631, fixedly connected with pneumatic cylinder 64 on one side that door frame 1 keeps away from the bottom, the output and the stripper plate 63 fixed connection of pneumatic cylinder 64.
The through-hole that supplies first trapezoidal plate 61 and second trapezoidal plate 62 to stretch out is seted up to gate panel 2 both sides, first trapezoidal plate 61 and second trapezoidal plate 62 both sides are outside extension respectively has flange 7, fixedly connected with sealing strip on one side that flange 7 is close to the through-hole, when stripper plate 63 reaches the inside bottom of gate panel 2, flange 7 and the 2 inner wall butts of gate panel, first circular slot 71 has been seted up on one side that flange 7 is close to the 2 inner walls of gate panel, fixedly connected with spring 8 in the first circular slot 71, set up the second circular slot 21 that supplies the embedding of spring 8 on the 2 inner walls of gate panel, spring 8's the embedding end and second circular slot 21 fixed connection, when sealing strip and gate panel 2 butt, spring 8 is in compression state.
The working conditions and principles of the embodiment are as follows:
when closing the gate, rotate second runner 36, make second threaded rod 31 drive the gate panel 2 and slide downwards along first spout 11 in the door frame 1, when gate panel 2 slides to door frame 1 bottom and makes the second sealing strip and fourth sealing strip butt, stop rotating second runner 36, hydraulic cylinder 64 is started up this moment, stripper plate 63 moves down, when stripper plate 63 gets into inside the gate panel 2, stripper plate 63 extrudes first trapezoidal plate 61 and second trapezoidal plate 62, first trapezoidal plate 61 and second trapezoidal plate 62 move to door frame 1 inner wall both sides respectively, simultaneously flange 7 moves to the direction that is close to gate panel 2 inner wall, spring 8 compresses gradually, when stripper plate 63 reachs the inside bottom of gate panel 2, the sealing strip is with gate panel 2 butt, first joint strip 41 closely laminates with second joint strip 42, close hydraulic cylinder 64 this moment.
At this moment, rotate first runner 58 for first threaded rod 53 drives wedge 51 and slides downwards, the one end that is close to submarine wedge 51 begins to keep away from submarine one end contact with gate board 2, wedge 51 is at gliding in-process, wedge 51's wedge and gate board 2 last butt, gate board 2 extrudees to the spout inner wall gradually, fillet 52 and gate board 2 butt on the wedge, first joint strip 41 closely laminates with second joint strip 42, the first runner 58 of stall this moment, can accomplish and close the gate this moment.
When the shutter is opened, first wheel 58 is rotated in the reverse direction, so that first threaded rod 53 slides wedge plate 51 upward, so that the wedge plate 51 is gradually separated from the shutter plate 2, and when the wedge plate 51 is slid to the top end of the doorframe 1, the rotation of the first wheel 58 is stopped, at which time the hydraulic cylinder 64 is actuated, so that the pressing plate 63 is moved upward, because the first trapezoidal plate 61 and the second trapezoidal plate 62 are not pressed by the pressing plate 63, the spring 8 in the circular groove is extended to a natural state, the convex plate 7 is separated from the inner wall of the gate plate 2, at this time, the first sealing rubber strip 41 and the third sealing rubber strip 43 are separated, after the two are separated, the second rotating wheel 36 is rotated reversely, so that the second threaded rod 31 drives the gate plate 2 to move upwards, after the gate plate 2 rises to a certain height according to the required displacement in the hydraulic engineering, the second rotating wheel 36 stops rotating, and the gate can be opened at the moment.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides an anti-seepage gate for hydraulic engineering, gliding actuating mechanism (3) from top to bottom including door frame (1), gate board (2) and operation gate board (2), the confession has been seted up on door frame (1) inboard both sides gate board (2) are followed door frame (1) gliding first spout (11) from top to bottom, door frame (1) top fixedly connected with drive gate board (2) are followed gliding actuating mechanism (3), characterized by in first spout (11) in door frame (1): the inner side of the door frame (1) and the gate plate (2) are fixedly connected with a sealing element (4), and the inside of the gate plate (2) is movably connected with an extrusion device (6) which enables the gate plate (2) to be tightly attached to the two sides of the door frame (1).
2. The anti-seepage gate for the hydraulic engineering according to claim 1, which is characterized in that: sealing member (4) including respectively fixed connection in door frame (1) both sides inner wall first joint strip (41), fixed connection in door frame (1) is close to second joint strip (42) on the one side inner wall of submarine, door plant (2) are close to respectively fixedly connected with third joint strip (43), fixed connection on the both sides of door frame (1) be close to fourth joint strip (44) on one side of submarine in door plant (2), first joint strip (41) with third joint strip (43) butt, second joint strip (42) with fourth joint strip (44) butt.
3. The anti-seepage gate for the hydraulic engineering according to claim 1, which is characterized in that: the extrusion device (6) comprises a first trapezoidal plate (61) and a second trapezoidal plate (62) which are slidably connected inside the gate plate (2), the first trapezoidal plate (61) and the second trapezoidal plate (62) are axially symmetrical with respect to the gate plate (2), the first trapezoidal plate (61) and the second trapezoidal plate (62) are slidably connected with an extrusion plate (63) for extruding the first trapezoidal plate (61) and the second trapezoidal plate (62) to move outwards, a hydraulic cylinder (64) is fixedly connected to one side of the door frame (1) far away from the water bottom, the output end of the hydraulic cylinder (64) is fixedly connected with the extrusion plate (63), through holes for the first trapezoidal plate (61) and the second trapezoidal plate (62) to extend out are formed in two sides of the gate plate (2), and convex plates (7) extend outwards from two sides of the first trapezoidal plate (61) and the second trapezoidal plate (62) respectively, the convex plate (7) is close to one side of the through hole, a sealing strip is fixedly connected to the convex plate, and when the extrusion plate (63) reaches the bottom end inside the gate plate (2), the sealing strip is abutted to the inner wall of the gate plate (2).
4. The anti-seepage gate for the hydraulic engineering according to claim 3, which is characterized in that: protruding board (7) with be provided with both ends respectively the butt between shutter plate (2) inner wall and be in protruding board (7) are close to shutter plate (2) inner wall one side and spring (8) of shutter plate (2) inner wall, protruding board (7) are close to shutter plate (2) inner wall one side and all seted up the confession on shutter plate (2) inner wall the circular slot of spring (8) embedding.
5. The anti-seepage gate for the hydraulic engineering according to claim 4, which is characterized in that: a second sliding groove (631) is formed in the extrusion surface of the extrusion plate (63), and balls (632) which are mutually abutted are arranged in the second sliding groove (631).
6. The anti-seepage gate for the hydraulic engineering according to claim 5, which is characterized in that: the inner part of the door frame (1) is movably connected with a pressing device (5) which presses the gate plate (2) to the inner wall of the first sliding groove (11).
7. The anti-seepage gate for the hydraulic engineering according to claim 6, which is characterized in that: the pressing device (5) comprises wedge-shaped plates (51) which are connected with the inner walls of the two sides of the door frame (1) in a sliding mode, and when the gate is in a working state, the wedge-shaped plates (51) are abutted to the gate plate (2).
8. The anti-seepage gate for the hydraulic engineering according to claim 7, which is characterized in that: the wedge-shaped surface of the wedge-shaped plate (51) is provided with a fillet (52).
9. The anti-seepage gate for the hydraulic engineering according to claim 8, which is characterized in that: wedge plate (51) are kept away from submarine one and are served first threaded rod of fixedly connected with (53), the confession has been seted up in submarine one of keeping away from door frame (1) one and serve the round hole that first threaded rod (53) pass through, the first fixed column of round hole top fixedly connected with (54), it is connected with first worm wheel (55) to rotate on first fixed column (54), first worm wheel (55) inboard with first threaded rod (53) meshing, first worm wheel (55) outside meshing has first worm (56), fixed surface is connected with the confession on door frame (1) first fixed plate (57) that first worm (56) stretch out, first worm (56) are close to one of first fixed plate (57) serves first runner of fixedly connected with (58).
10. The anti-seepage gate for the hydraulic engineering according to claim 9, which is characterized in that: the driving mechanism (3) comprises second threaded rods (31) which are respectively and fixedly connected with two sides of one end of the gate plate (2) far away from the water bottom, round holes for the second threaded rods (31) to pass through are respectively arranged on two sides of one end of the door frame (1) far away from the water bottom, a second fixed column (32) is fixedly connected to the round hole, a second worm wheel (33) is rotatably connected to the second fixed column (32), the inner side of the second worm wheel (33) is meshed with the second threaded rod (31), the outer side of the second worm wheel (33) is meshed with a second worm (34), a second fixing plate (35) for the second worm (34) to extend out is fixedly connected to one side of the upper surface of the door frame (1), a second rotating wheel (36) is fixedly connected to one end of the second worm (34) close to the second fixing plate (35), the first runner (58) is located on the same side as the second runner (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920769233.6U CN210127453U (en) | 2019-05-25 | 2019-05-25 | Seepage-proofing gate for hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920769233.6U CN210127453U (en) | 2019-05-25 | 2019-05-25 | Seepage-proofing gate for hydraulic engineering |
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| Publication Number | Publication Date |
|---|---|
| CN210127453U true CN210127453U (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920769233.6U Active CN210127453U (en) | 2019-05-25 | 2019-05-25 | Seepage-proofing gate for hydraulic engineering |
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| CN (1) | CN210127453U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709197A (en) * | 2020-12-23 | 2021-04-27 | 山西水投防护技术有限公司 | Hydraulic engineering construction is used prevents leaking sluice device |
| CN115262496A (en) * | 2022-07-27 | 2022-11-01 | 江西中一建工集团有限公司 | Seepage-proofing water-stopping structure for hydraulic engineering |
| CN115419026A (en) * | 2022-08-22 | 2022-12-02 | 安徽正一水务有限公司 | Flow-limiting gate with sealing mechanism |
| CN113775279B (en) * | 2021-08-13 | 2023-05-23 | 华北水利水电大学 | Household basement entrance door water inlet prevention gate |
-
2019
- 2019-05-25 CN CN201920769233.6U patent/CN210127453U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709197A (en) * | 2020-12-23 | 2021-04-27 | 山西水投防护技术有限公司 | Hydraulic engineering construction is used prevents leaking sluice device |
| CN113775279B (en) * | 2021-08-13 | 2023-05-23 | 华北水利水电大学 | Household basement entrance door water inlet prevention gate |
| CN115262496A (en) * | 2022-07-27 | 2022-11-01 | 江西中一建工集团有限公司 | Seepage-proofing water-stopping structure for hydraulic engineering |
| CN115419026A (en) * | 2022-08-22 | 2022-12-02 | 安徽正一水务有限公司 | Flow-limiting gate with sealing mechanism |
| CN115419026B (en) * | 2022-08-22 | 2023-12-29 | 安徽正一水务有限公司 | Flow limiting gate with sealing mechanism |
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