CN112211160A - Dam leakage-proof and seepage-proof system - Google Patents
Dam leakage-proof and seepage-proof system Download PDFInfo
- Publication number
- CN112211160A CN112211160A CN202011136598.9A CN202011136598A CN112211160A CN 112211160 A CN112211160 A CN 112211160A CN 202011136598 A CN202011136598 A CN 202011136598A CN 112211160 A CN112211160 A CN 112211160A
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- 238000009434 installation Methods 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 235000006506 Brasenia schreberi Nutrition 0.000 claims description 17
- 244000267222 Brasenia schreberi Species 0.000 claims description 17
- 244000309464 bull Species 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
Abstract
The invention discloses a dam leakage-proof and seepage-proof system which comprises an installation module, an adjusting module and a driving module. According to the invention, by arranging the driving module and independently controlling the inner motor and the outer motor, the flow speed of water at the openings of the two hollow adjusting studs on the inner side and the two hollow adjusting studs on the outer side can be adjusted, and the size of the opening of the hollow adjusting stud can be adjusted when the speed in water is overlarge, so that the phenomenon of flood discharge or leakage of river spirit caused by overlarge pressure is prevented.
Description
Technical Field
The invention relates to the technical field of flood fighting equipment, in particular to a dam leakage-proof and seepage-proof system.
Background
A dam is a water retaining structure which intercepts water flow of river channels to raise the water level or adjust the flow. The dam can form a reservoir, raise water level, regulate runoff and concentrate water head, is used for flood control, water supply, irrigation, hydroelectric generation, improvement of shipping and the like, and the representative form of a dam retaining structure is called a dam and can be divided into an earth dam, a gravity dam, a concrete panel rock-fill dam, an arch dam and the like. The main damming building in dam type hydropower station. Also known as barrages. The function of the device is to raise the water level of a river to form an upstream regulating reservoir. The height of the dam depends on the junction terrain, geological conditions, submergence range, population migration, the relationship between upstream and downstream cascade hydropower stations, kinetic energy indexes and the like, but when the traditional dam works, the internal water pressure changes due to the flowing of water in rivers, so that the traditional dam has the phenomenon of leakage or water seepage.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a dam leakage-proof and seepage-proof system, which solves the problem that when a traditional dam works, the internal water pressure is changed due to the flowing of water in rivers, so that the traditional dam can leak or seep water.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a dam leak protection seepage prevention system, includes installing module, adjusting module and drive module, installing module include installing frame, lifter bottom support, lifter top slider, movable mounting frame, installation driving gear, installation motor support, installation motor, installation nut gear support, installation nut gear and installation elevating screw, the inboard of installing frame is provided with adjusting module, the equal fixedly connected with lifter bottom support in two sides of installing frame, lifter bottom support's top has lifter top slider, the side fixedly connected with movable mounting frame of lifter top slider through two lifter sliding connection.
The adjusting module include dash board, hollow adjusting stud, adjusting stud drive gear, linkage gear post support, accommodate motor and accommodate motor support, the inboard sliding connection of installing frame has dash board, four through-holes have been seted up to dash board's side to the equal threaded connection of inner wall of every through-hole has hollow adjusting stud, the side fixedly connected with adjusting stud drive gear of hollow adjusting stud, gear connection has linkage gear post between adjacent two and adjusting stud drive gear's the opposite face.
Drive module include outside shielding plate, inboard motor, inboard drive lead screw, the bull stick is prevented to inboard, outside nut gear, outside driving gear, outside motor support, outside motor, outside nut gear support, outside drive lead screw, the bull stick is prevented in the outside, outside bull stick support, inboard nut gear, inboard driving gear and inboard motor support, two bottoms of outside shielding plate and two hollow regulation stud opening part overlap joints in the outside, two bottoms of inboard shielding plate and two hollow regulation stud opening part overlap joints of inboard, the bull stick is prevented with the outside to the side fixedly connected with outside drive lead screw of outside shielding plate, the bull stick is prevented through outside bull stick support sliding connection in the outside with the flashing in the outside.
Preferably, the upper part of the movable mounting frame is fixedly connected with a mounting motor through a mounting motor support, an output shaft of the mounting motor is fixedly connected with a mounting driving gear, and a surface gear of the mounting driving gear is connected with a mounting nut gear.
Preferably, the middle part of the mounting nut gear is in threaded connection with a mounting lifting screw, and the mounting nut gear is rotatably connected with the upper surface of the movable mounting frame through a mounting nut gear bracket.
Preferably, linkage gear post and the rotation of water shield through linkage gear post support are connected, middle part side of linkage gear post is provided with accommodate motor, accommodate motor's output shaft and the linkage gear post fixed connection at middle part, accommodate motor and linkage gear post support pass through accommodate motor support fixed connection.
Preferably, the outer surface of the outer driving screw is in threaded connection with an outer nut gear, the outer nut gear is rotatably connected with the water shielding plate through an outer nut gear support, the outer surface of the outer nut gear is connected with an outer driving gear, an outer motor is arranged on the side of the outer driving gear, an output shaft of the outer motor is fixedly connected with the outer driving gear, and the outer motor is fixedly connected with the water shielding plate through an outer motor support.
Preferably, the middle part of the side surface of the inner side shielding plate is fixedly connected with an inner side driving lead screw, the two sides of the side surface of the inner side shielding plate are fixedly connected with inner side rotation preventing rods, and the inner side rotation preventing rods are connected with the upper surface of the water shielding plate in a sliding mode.
Preferably, the outer surface of the inner driving screw is in threaded connection with an inner nut gear, the inner nut gear is rotatably connected with the water shielding plate through an inner nut gear support, the outer surface of the inner nut gear is connected with an inner driving gear, an inner motor is arranged on the side of the inner driving gear, an output shaft of the inner motor is fixedly connected with the inner driving gear, and the inner motor is fixedly connected with the water shielding plate through an inner motor support.
Preferably, the bottom end of the lifting screw is fixedly connected with the upper surface of the water shield.
Compared with the prior art, the invention provides a dam leakage-proof and seepage-proof system, which has the following beneficial effects: according to the invention, by arranging the driving module and independently controlling the inner motor and the outer motor, the flow speed of water at the openings of the two hollow adjusting studs on the inner side and the two hollow adjusting studs on the outer side can be adjusted, and the size of the opening of the hollow adjusting stud can be adjusted when the speed in water is overlarge, so that the phenomenon of flood discharge or leakage of river spirit caused by overlarge pressure is prevented.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic structural view of the gear mounting nut of the present invention.
FIG. 3 is a schematic view of the present invention.
Fig. 4 is a schematic structural view of the inner motor according to the present invention.
Fig. 5 is a schematic structural view of an outer motor according to the present invention.
FIG. 6 is a schematic view of the present invention.
Fig. 7 is a schematic structural diagram of a regulating module of the present invention.
In the figure: 1-installing a module; 101-installing a frame; 102-lifter bottom bracket; 103-a lifting rod; 104-lifter top slide; 105-a movable installation frame; 106-mounting a driving gear; 107-mounting a motor bracket; 108-mounting a motor; 109-mounting a nut gear bracket; 110-mounting nut gear; 111-installing a lifting screw rod; 2-a regulating module; 201-a water shield; 202-hollow adjusting stud; 203-adjusting stud drive gear; 204-linkage gear column; 205-linked gear column support; 206-a regulating motor; 207-adjusting the motor support; 3-a drive module; 301-outer shielding; 302-inner shield; 303-inner motor; 304-inboard drive screw; 305-inside anti-rotation bar; 306-outside nut gear; 307-an outboard drive gear; 308-outer motor support; 309-outer motor; 310-outside nut gear holder; 311-outer drive screw; 312-outboard anti-roll bar; 313-outer anti-rotation rod support; 314-inside nut gear holder; 315-inside nut gear; 316-an inboard drive gear; 317-inner motor support.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, and fig. 7, the present invention provides a technical solution: a dam leakage-proof and seepage-proofing system comprises an installation module 1, an adjusting module 2 and a driving module 3, as shown in figures 1 and 2, wherein the installation module 1 comprises an installation frame 101, a lifting rod bottom bracket 102, a lifting rod 103, a lifting rod top slider 104, a movable installation frame 105, an installation driving gear 106, an installation motor bracket 107, an installation motor 108, an installation nut gear bracket 109, an installation nut gear 110 and an installation lifting screw 111, the adjusting module 2 is arranged on the inner side of the installation frame 101, the lifting rod bottom bracket 102 is fixedly connected with two side surfaces of the installation frame 101, the lifting rod top slider 104 is slidably connected with the upper part of the lifting rod bottom bracket 102 through two lifting rods 103, the movable installation frame 105 is fixedly connected with the upper part of the movable installation frame 105 through the installation motor bracket 107, the installation driving gear 106 is fixedly connected with an output shaft of the installation motor 108, the outer surface gear of the mounting driving gear 106 is connected with a mounting nut gear 110, the middle part of the mounting nut gear 110 is connected with a mounting lifting screw 111 in a threaded manner, and the mounting nut gear 110 is rotatably connected with the upper surface of the movable mounting frame 105 through a mounting nut gear bracket 109.
Referring to fig. 6 and 7, the adjusting module 2 includes a water shielding plate 201, a hollow adjusting stud 202, an adjusting stud driving gear 203, a linkage gear column 204, a linkage gear column bracket 205, an adjusting motor 206 and an adjusting motor bracket 207, the water shielding plate 201 is slidably connected to the inner side of the mounting frame 101, four through holes are formed in the side surface of the water shielding plate 201, and the inner wall of each through hole is in threaded connection with a hollow adjusting stud 202, the side surface of each hollow adjusting stud 202 is fixedly connected with an adjusting stud driving gear 203, a linkage gear column 204 is connected between the opposite surfaces of two adjacent adjusting stud driving gears 203, the linkage gear column 204 is rotatably connected with the water shield 201 through a linkage gear column support 205, an adjusting motor 206 is arranged on the side of the middle linkage gear column 204, the output shaft of the adjusting motor 206 is fixedly connected with the linkage gear column 204 in the middle, and the adjusting motor 206 is fixedly connected with the linkage gear column support 205 through an adjusting motor support 207.
Referring to fig. 3, 4, 5 and 6, the driving module 3 includes an outer shielding plate 301, an inner shielding plate 302, an inner motor 303, an inner driving screw 304, an inner anti-rotation rod 305, an outer nut gear 306, an outer driving gear 307, an outer motor bracket 308, an outer motor 309, an outer nut gear bracket 310, an outer driving screw 311, an outer anti-rotation rod 312, an outer anti-rotation rod bracket 313, an inner nut gear bracket 314, an inner nut gear 315, an inner driving gear 316 and an inner motor bracket 317, two bottom ends of the outer shielding plate 301 are overlapped with openings of two outermost hollow adjusting studs 202, two bottom ends of the inner shielding plate 302 are overlapped with openings of two inner hollow adjusting studs 202, a side surface of the outer shielding plate 301 is fixedly connected with the outer driving screw 311 and the outer anti-rotation rod 312, the outer anti-rotation rod 312 is slidably connected with the water shielding plate 201 through the outer anti-rotation rod bracket 313, the outer surface of the outer driving screw 311 is in threaded connection with an outer nut gear 306, the outer nut gear 306 is rotatably connected with the water shield 201 through an outer nut gear bracket 310, the outer surface of the outer nut gear 306 is in geared connection with an outer driving gear 307, an outer motor 309 is arranged on the side of the outer driving gear 307, the output shaft of the outer motor 309 is fixedly connected with the outer driving gear 307, the outer motor 309 is fixedly connected with the water shield 201 through an outer motor bracket 308, the middle part of the side surface of the inner shield 302 is fixedly connected with an inner driving screw 304, both sides of the side surface of the inner shield 302 are fixedly connected with inner rotation preventing rods 305, both inner rotation preventing rods 305 are in sliding connection with the upper surface of the water shield 201, the outer surface of the inner driving screw 304 is in threaded connection with an inner nut gear 315, and the inner nut gear 315 is rotatably connected with the water shield 201 through, the outer surface gear of the inner nut gear 315 is connected with an inner driving gear 316, an inner motor 303 is arranged on the side of the inner driving gear 316, an output shaft of the inner motor 303 is fixedly connected with the inner driving gear 316, the inner motor 303 is fixedly connected with the water shield 201 through an inner motor bracket 317, and the bottom end of the lifting screw 111 is fixedly connected with the upper surface of the water shield 201.
When the device is used, before a user installs the device, the user firstly starts the installation motor 108, the output shaft of the installation motor 108 drives the installation driving gear 106 to rotate, the installation driving gear 106 rotates to drive the installation nut gear 110 to rotate, the installation nut gear 110 rotates to drive the installation lifting screw 111 to vertically move, the installation lifting screw 111 vertically moves to drive the water shield 201 to slide on the inner wall of the installation frame 101, at the moment, the water shield 201 upwards moves, then the user fixes the device on a riverbed, at the moment, the user reversely rotates the installation motor 108 again to drive the water shield 201 downwards, at the moment, the water flow in a river can be cut off, the water flow only can flow from the opening of the hollow adjusting stud 202, at the moment, the user starts the adjusting motor 206, the output shaft of the adjusting motor 206 drives the linkage gear column 204 to rotate, the linkage gear column 204 rotates to drive the adjusting stud driving gear 203, the rotation of the adjusting stud driving gear 203 drives the hollow adjusting stud 202 to rotate, the rotation of the hollow adjusting stud 202 horizontally moves under the restriction of the water shield 201, and since the outer surface of the hollow adjusting stud 202 is provided with a through hole, the size of the flowing water can be controlled by controlling the area of the overlapping part between the hollow adjusting stud 202 and the water shield 201, and simultaneously a user can start the outer motor 309, the output shaft of the outer motor 309 drives the outer driving gear 307 to rotate, the outer driving gear 307 rotates to drive the outer nut gear 306 to rotate, the outer nut gear 306 rotates to drive the outer driving screw 311 to move, the outer driving screw 311 moves to drive the outer shielding plate 301 to move, the outer shielding plate 301 moves to enable the bottom end of the outer shielding plate 301 to be far away from or block the opening of the hollow adjusting stud 202, thereby further controlling the size of the flowing water at the hollow adjusting stud 202, the user can also start the inside motor 303, the output shaft of the inside motor 303 can drive the inside driving gear 316 to rotate, the inside driving gear 316 can drive the inside nut gear 315 to rotate, the inside nut gear 315 rotates to drive the inside driving screw 304 to move, the inside driving screw 304 moves to drive the inside shielding plate 302 to move, the inside shielding plate 302 moves to enable the bottom end of the inside shielding plate 302 and the openings of the two inside hollow adjusting studs 202 to be far away from or close to each other, and therefore the size of water flow at the two inside hollow adjusting studs 202 is controlled.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a dam leak protection anti-seepage system, includes installation module (1), adjusting module (2) and drive module (3), its characterized in that: the mounting module (1) comprises a mounting frame (101), a lifting rod bottom support (102), a lifting rod 103, a lifting rod top sliding block (104), a movable mounting frame (105), a mounting driving gear (106), a mounting motor support (107), a mounting motor (108), a mounting nut gear support (109), a mounting nut gear (110) and a mounting lifting screw (111), wherein an adjusting module (2) is arranged on the inner side of the mounting frame (101), the lifting rod bottom support (102) is fixedly connected to two side surfaces of the mounting frame (101), the lifting rod top sliding block (104) is connected to the upper portion of the lifting rod bottom support (102) in a sliding mode through the two lifting rods (103), and the movable mounting frame 105 is fixedly connected to the side surface of the lifting rod top sliding block (104);
the adjusting module (2) comprises a water shielding plate (201), hollow adjusting studs (202), adjusting stud driving gears (203), linkage gear columns (204), linkage gear column supports (205), adjusting motors (206) and adjusting motor supports (207), the inner sides of the mounting frames (101) are connected with the water shielding plate (201) in a sliding mode, four through holes are formed in the side faces of the water shielding plate (201), the inner wall of each through hole is connected with the hollow adjusting stud (202) in a threaded mode, the side faces of the hollow adjusting studs (202) are fixedly connected with the adjusting stud driving gears (203), and the linkage gear columns (204) are connected between the opposite faces of two adjacent adjusting stud driving gears (203);
the driving module (3) comprises an outer side baffle plate (301), an inner side baffle plate (302), an inner side motor (303), an inner side driving lead screw (304), an inner side anti-rotation rod (305), an outer side nut gear (306), an outer side driving gear (307), an outer side motor bracket (308), an outer side motor (309), an outer side nut gear bracket (310), an outer side driving lead screw (311), an outer side anti-rotation rod (312), an outer side anti-rotation rod bracket (313), an inner side nut gear bracket (314), an inner side nut gear (315), an inner side driving gear (316) and an inner side motor bracket (317), wherein two bottom ends of the outer side baffle plate (301) are lapped with openings of two hollow adjusting studs (202) at the outermost side, two bottom ends of the inner side baffle plate (302) are lapped with the openings of the two hollow adjusting studs (202) at the inner side, and the side surface of the outer side baffle plate (301) is fixedly connected with the outer side driving, the outer side rotation preventing rod (312) is connected with the water shield (201) in a sliding mode through an outer side rotation preventing rod support (313).
2. A dam leak-proof and seepage-proofing system according to claim 1, wherein: an installation motor (108) is fixedly connected above the movable installation frame (105) through an installation motor support (107), an installation driving gear (106) is fixedly connected to an output shaft of the installation motor (108), and an installation nut gear (110) is connected to the outer surface gear of the installation driving gear (106).
3. A dam leak-proof and seepage-proofing system according to claim 1, wherein: the middle part of the mounting nut gear (110) is in threaded connection with a mounting lifting screw rod (111), and the mounting nut gear (110) is rotatably connected with the upper surface of the movable mounting frame (105) through a mounting nut gear bracket (109).
4. A dam leak-proof and seepage-proofing system according to claim 1, wherein: linkage gear post (204) are connected through linkage gear post support (205) rotation with dash board (201), middle part the side of linkage gear post (204) is provided with accommodate motor (206), the output shaft of accommodate motor (206) and the linkage gear post (204) fixed connection at middle part, accommodate motor (206) and linkage gear post support (205) are through accommodate motor support (207) fixed connection.
5. A dam leak-proof and seepage-proofing system according to claim 1, wherein: the outer surface threaded connection of outside drive lead screw (311) has outside nut gear (306), and outside nut gear (306) rotates through outside nut gear support (310) with dash board (201) and is connected, the outer surface gear connection of outside nut gear (306) has outside driving gear (307), and the side of outside driving gear (307) is provided with outside motor (309), the output shaft and the outside driving gear (307) fixed connection of outside motor (309), outside motor (309) passes through outside motor support (308) fixed connection with dash board (201).
6. A dam leak-proof and seepage-proofing system according to claim 1, wherein: the middle part of the side surface of the inner side shielding plate (302) is fixedly connected with an inner side driving lead screw (304), two inner side rotation preventing rods (305) are fixedly connected to the two sides of the side surface of the inner side shielding plate (302), and the two inner side rotation preventing rods (305) are connected with the upper surface of the water shielding plate (201) in a sliding mode.
7. A dam leak-proof and seepage-proofing system according to claim 1, wherein: the outer surface threaded connection of inboard drive lead screw (304) has inboard nut gear (315), and inboard nut gear (315) rotates through inboard nut gear bracket (314) with dash board (20) and is connected, the outer surface gear connection of inboard nut gear (315) has inboard driving gear (316), and the side of inboard driving gear (316) is provided with inboard motor (303), the output shaft and the inboard driving gear (316) fixed connection of inboard motor (303), inboard motor (303) passes through inboard motor bracket (317) fixed connection with dash board (201).
8. A dam leak-proof and seepage-proofing system according to claim 1, wherein: the bottom end of the mounting lifting screw rod (11) is fixedly connected with the upper surface of the water shield (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011136598.9A CN112211160B (en) | 2020-10-22 | 2020-10-22 | Dam leakage-proof and seepage-proof system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011136598.9A CN112211160B (en) | 2020-10-22 | 2020-10-22 | Dam leakage-proof and seepage-proof system |
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| Publication Number | Publication Date |
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| CN112211160A true CN112211160A (en) | 2021-01-12 |
| CN112211160B CN112211160B (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011136598.9A Active CN112211160B (en) | 2020-10-22 | 2020-10-22 | Dam leakage-proof and seepage-proof system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100069061A (en) * | 2008-12-16 | 2010-06-24 | 인천대학교 산학협력단 | Automatic fall down railing |
| KR20150131743A (en) * | 2014-05-16 | 2015-11-25 | 주식회사 수경 | Vertical moving type movable weir |
| CN209603063U (en) * | 2019-01-26 | 2019-11-08 | 邹国胜 | A kind of reservoir dam structure of water-impervious |
| CN209779568U (en) * | 2019-02-22 | 2019-12-13 | 张奉清 | Flood discharge seepage-proofing dam for hydraulic engineering |
| CN210621627U (en) * | 2019-09-23 | 2020-05-26 | 田富银 | A structure for reservoir asphalt concrete core cracking treatment |
| CN111335269A (en) * | 2020-03-07 | 2020-06-26 | 四川鼎恒建设工程有限公司 | Hydraulic engineering vertical water stop structure and construction method thereof |
| CN111705751A (en) * | 2020-06-28 | 2020-09-25 | 福州经济技术开发区佳俞乐科技有限公司 | Concrete dam maintenance device |
-
2020
- 2020-10-22 CN CN202011136598.9A patent/CN112211160B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100069061A (en) * | 2008-12-16 | 2010-06-24 | 인천대학교 산학협력단 | Automatic fall down railing |
| KR20150131743A (en) * | 2014-05-16 | 2015-11-25 | 주식회사 수경 | Vertical moving type movable weir |
| CN209603063U (en) * | 2019-01-26 | 2019-11-08 | 邹国胜 | A kind of reservoir dam structure of water-impervious |
| CN209779568U (en) * | 2019-02-22 | 2019-12-13 | 张奉清 | Flood discharge seepage-proofing dam for hydraulic engineering |
| CN210621627U (en) * | 2019-09-23 | 2020-05-26 | 田富银 | A structure for reservoir asphalt concrete core cracking treatment |
| CN111335269A (en) * | 2020-03-07 | 2020-06-26 | 四川鼎恒建设工程有限公司 | Hydraulic engineering vertical water stop structure and construction method thereof |
| CN111705751A (en) * | 2020-06-28 | 2020-09-25 | 福州经济技术开发区佳俞乐科技有限公司 | Concrete dam maintenance device |
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| CN112211160B (en) | 2021-06-01 |
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| CB03 | Change of inventor or designer information |
Inventor after: Yang Xianliang Inventor after: Yang Xianjie Inventor after: Liu Xunlu Inventor after: Jiang Wenjun Inventor before: Jiang Wenjun |
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| CB03 | Change of inventor or designer information | ||
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Effective date of registration: 20210510 Address after: 332000 10th floor, Minqiang Jinyu LANWAN complex building, JIURUI Avenue, Jiujiang Development Zone, Jiangxi Province Applicant after: Liu Yuliang Address before: 650499 Yongding sub district office, Fumin County, Kunming City, Yunnan Province (No. 13, lanhei Road, Panlong District, Kunming City) Applicant before: Jiang Wenjun |
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Effective date of registration: 20210630 Address after: 332000 room 1001, no unit, Minqiang Jinyu LANWAN complex building, intersection of JIURUI Avenue and Shayan Road North Road, Jiujiang Economic and Technological Development Zone, Jiujiang City, Jiangxi Province Patentee after: Liu Xunlu Address before: 332000 10th floor, Minqiang Jinyu LANWAN complex building, JIURUI Avenue, Jiujiang Development Zone, Jiangxi Province Patentee before: Liu Yuliang |
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