CN115233612A - Integrated surrounding well - Google Patents
Integrated surrounding well Download PDFInfo
- Publication number
- CN115233612A CN115233612A CN202211087505.7A CN202211087505A CN115233612A CN 115233612 A CN115233612 A CN 115233612A CN 202211087505 A CN202211087505 A CN 202211087505A CN 115233612 A CN115233612 A CN 115233612A
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- CN
- China
- Prior art keywords
- frame
- buoyancy
- integrated
- peripheral surface
- drainage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/003—Mechanically induced gas or liquid streams in seas, lakes or water-courses for forming weirs or breakwaters; making or keeping water surfaces free from ice, aerating or circulating water, e.g. screens of air-bubbles against sludge formation or salt water entry, pump-assisted water circulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Abstract
The invention discloses an integrated enclosure well which comprises a shell and dam cloth fixed at the bottom of the shell, and further comprises a first buoyancy frame movably arranged in the shell, a second buoyancy frame movably arranged in the first buoyancy frame, a floating plate movably arranged in the second buoyancy frame and a drainage frame fixed above the floating plate, wherein a drainage hole is formed in the floating plate, and the lower end of the drainage frame is aligned with the drainage hole and is fixedly connected with the upper surface of the floating plate. The first buoyancy frame and the second buoyancy frame which can be lifted are arranged in the shell, so that the first buoyancy frame and the second buoyancy frame can move upwards under the condition of water entering the shell without inflation, the water capacity can be automatically expanded, the function of the surrounding well is enhanced, the inflation is not needed, the operation is simple and convenient, and the first buoyancy frame and the second buoyancy frame are accommodated in the shell when the first buoyancy frame and the second buoyancy frame are not used, so that the occupied volume is reduced, and the storage and the transportation are convenient.
Description
Technical Field
The invention relates to the technical field of a surrounding well, in particular to an integrated surrounding well.
Background
Piping is one of the most common hazards on some defense sites in our country. In order to prevent dangerous situations such as piping, a surrounding well is usually arranged at a water outlet of the piping so as to block up the water level in the well and reduce the water head difference.
The existing surrounding well is mostly an integrated surrounding well, and the integrated surrounding well mainly generates buoyancy for the air bag when being filled with water in the surrounding well through the air bag and other structures so as to fully expand the surrounding well and further achieve the effect of the surrounding well. However, the use of the air bag requires inflation in advance, so that not only is the inflation equipment required to be prepared, but also manual operation is required, the use complexity is increased, and the function of the integrated surrounding well can not be completed without inflation after installation.
Therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide an integrated surrounding well which can effectively solve the technical problems.
In order to achieve the purpose of the invention, the following technical scheme is adopted:
the integrated surrounding well comprises a shell, dam cloth fixed at the bottom of the shell, a first buoyancy frame movably arranged in the shell, a second buoyancy frame movably arranged in the first buoyancy frame, a floating plate movably arranged in the second buoyancy frame, and a drainage frame fixed above the floating plate, wherein a drainage hole is formed in the floating plate, and the lower end of the drainage frame is aligned to the drainage hole and fixedly connected with the upper surface of the floating plate.
Preferably, a first sealing frame is fixed on the outer peripheral surface of the first buoyancy frame, and the outer peripheral surface of the first sealing frame abuts against the inner peripheral surface of the shell and is in sliding connection with the inner peripheral surface of the shell.
Preferably, a second sealing frame is fixed on the outer peripheral surface of the second buoyancy frame, and the outer peripheral surface of the second sealing frame abuts against the inner peripheral surface of the first buoyancy frame and is in sliding connection with the inner peripheral surface of the first buoyancy frame.
Preferably, a second fixing piece is arranged on the first sealing frame, a first fixing piece is fixed on the shell, the integrated well casing further comprises a first limiting rope, one end of the first limiting rope is fixedly connected with the first fixing piece, and the other end of the first limiting rope is fixedly connected with the second fixing piece.
Preferably, a third fixing piece is arranged on the second sealing frame, the integrated type surrounding well further comprises a second limiting rope, one end of the second limiting rope is fixedly connected with the first fixing piece, and the other end of the second limiting rope is fixedly connected with the third fixing piece.
Preferably, the inner circumferential surface of the second buoyancy frame is provided with a limiting block located above the floating plate, and one end of the limiting block is fixedly connected with the inner circumferential surface of the second buoyancy frame.
Preferably, the integrated well casing further comprises a drainage structure disposed on the drainage frame.
Preferably, the drainage structure includes a slip ring rotatable on an outer circumferential surface of the drainage frame, and a rotating frame fixed on an outer circumferential surface of the slip ring.
Preferably, a connecting frame is fixed on the rotating frame, a bearing is arranged in the connecting frame, the drainage frame penetrates through an inner ring of the bearing and is fixedly connected with the inner ring, and an outer ring of the bearing is fixedly connected with the connecting frame.
Preferably, the drainage structure further comprises a central shaft arranged in the drainage frame, a spiral part fixed on the central shaft, and a connecting frame fixed on the upper end of the central shaft, wherein the connecting piece is fixedly connected with the rotating frame.
Compared with the prior art, the invention has the following beneficial effects: the first buoyancy frame and the second buoyancy frame which can be lifted are arranged in the shell, so that the integrated enclosure well can move upwards under the condition of water inflow inside without inflation, the water capacity can be automatically enlarged, the function of the enclosure well is enhanced, the integrated enclosure well is free of inflation, the operation is simple and convenient, the first buoyancy frame and the second buoyancy frame are contained in the shell when the integrated enclosure well is not used, the occupied volume is reduced, and the storage and the transportation are convenient; simultaneously, set up initiative drainage structures in the upper end of drainage frame for the piping spun water yield can drive the spiral portion rotatory when great and quick upflow, and then makes rotatory frame rotatory, makes the orientation that overflows from drainage frame upper end throw away around, prevents that a large amount of water deposit from leading to floating the board to descend on floating the board, influences the water yield size of its below storage, guarantees the result of use of whole surrounding well.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of the integrated well casing of the present invention;
FIG. 2 is a top view of a first embodiment of the integrated well casing of the present invention;
FIG. 3 is a schematic structural diagram of a second embodiment of the integrated well casing of the present invention.
Detailed Description
The invention will be described more fully with reference to the accompanying drawings.
The first embodiment:
as shown in fig. 1 and 2, the integrated cofferdam of the present invention includes a housing 2, a dam 1 disposed at the bottom of the inner cavity of the housing 2, a first buoyancy frame 3 movably disposed in the housing 2, a second buoyancy frame 4 movably disposed in the first buoyancy frame 3, a floating plate 5 movably disposed in the second buoyancy frame 4, and a drainage frame 6 disposed above the floating plate 5.
The upper and lower surfaces of the housing 2 are communicated, the housing 2 may be cylindrical, or may be rectangular parallelepiped or other geometric bodies, in this embodiment, the housing 2 is cylindrical. The housing 2 may be made of a rigid material, such as metal, so as to provide overall strength and ensure the surrounding well function.
The outer peripheral surface of the outer shell 2 is provided with one or more first fixing pieces 21, the first fixing pieces 21 are preferably arc-shaped, and two ends of the first fixing pieces 21 are fixedly connected with the outer peripheral surface of the outer shell 2. Preferably, the first fixing member 21 is disposed at a bottom portion of the outer circumferential surface of the housing 2.
The first buoyancy frame 3 is accommodated in the housing 2 and slidably connected to the inner surface of the housing, so that the first buoyancy frame 3 can move up and down in the housing 2, the upper and lower surfaces of the first buoyancy frame 3 are communicated with each other, in this embodiment, the first buoyancy frame 3 is in a hollow cylinder shape, the first buoyancy frame 3 is preferably made of a material that can float on the water surface, that is, a material with a density lower than that of water, and is preferably made of a light material, so that the first buoyancy frame 3 can move up when filled with water, and further, the inside of the side wall of the first buoyancy frame 3 is hollow, so as to reduce the weight of the first buoyancy frame 3.
The outer peripheral surface of the first buoyancy frame 3 is provided with a first sealing frame 31, the first sealing frame 31 is sleeved on the outer peripheral surface of the first buoyancy frame 3 and is fixedly connected with the outer peripheral surface of the first buoyancy frame 3, the outer peripheral surface of the first sealing frame 31 is abutted against the inner peripheral surface of the shell 2 and is in sliding connection with the inner peripheral surface of the shell 2, so that the first sealing frame 31 and the first buoyancy frame 3 can move up and down in the shell 2, and the height of the upper surfaces of the first sealing frame 31 and the first buoyancy frame 3 is greater than that of the upper surface of the shell 2.
The outer peripheral face of first sealing frame 31 is fixed with second mounting 32, second mounting 32 is the arc, the both ends of second mounting 32 with the outer peripheral face fixed connection of first sealing frame 31, second mounting 32 is in the top of shell 2.
The second buoyancy frame 4 is accommodated in the first buoyancy frame 3 and slidably connected to an inner surface thereof, the second buoyancy frame 4 is preferably cylindrical, upper and lower surfaces of the second buoyancy frame 3 are communicated, the second buoyancy frame 4 is made of a material that can float in sleep, that is, a material having a density lower than that of water, and more preferably, the inside of a sidewall of the second buoyancy frame 4 is hollow so as to reduce the weight of the second buoyancy frame 4.
A second sealing frame 41 is fixed on the outer peripheral surface of the second buoyancy frame 4, the second sealing frame 41 is sleeved on the outer peripheral surface of the second buoyancy frame 4 and is fixedly connected with the second buoyancy frame 4, and the outer peripheral surface of the second sealing frame 41 is abutted on the inner peripheral surface of the first buoyancy frame 3 and is in sliding connection with the inner peripheral surface, so that the second sealing frame 41 can stably move up and down in the first buoyancy frame 3, and can keep sealing with the inner peripheral surface, and the water in the second sealing frame is prevented from flowing out. The height between the upper surface of the second floating frame 4 and the upper surface of the second sealing frame 41 is greater than the height of the upper surface of the first floating frame 3.
A limiting block 42 is fixed on the inner circumferential surface of the second buoyancy frame 4, one or more limiting blocks 42 may be provided, one end of each limiting block 42 is fixedly connected with the inner circumferential surface of the second buoyancy frame 4, and the limiting block 42 is preferably arranged at the upper end of the inner wall of the second buoyancy frame 4.
A third fixing member 43 is fixed to an outer peripheral surface of the second seal frame 41. The third fixing member 43 is arc-shaped, two ends of the third fixing member 43 are fixedly connected to the outer circumferential surface of the second sealing frame 41, and preferably, the third fixing member 43 is located at the upper end of the outer circumferential surface of the second sealing frame 41.
The integrated well casing further comprises a first limiting rope 72 connecting the first fixing member 21 and the second fixing member 32 and a second limiting rope 71 connecting the first fixing member 21 and the third fixing member 43. One end of the first limiting rope 72 is fixedly connected with the first fixing member 21, and the other end of the first limiting rope 72 is fixedly connected with the second fixing member 32. One end of the second limiting rope 71 is fixedly connected to the first fixing member 21, and the other end of the second limiting rope 71 is fixedly connected to the point fixing member 43, so as to limit the upward movement range of the first buoyancy frame 3 and the second buoyancy frame 4, respectively, and prevent the first buoyancy frame 3 from being separated from the outer shell 2 and the second buoyancy frame 4 from being separated from the first buoyancy frame 3.
The floating plate 5 is accommodated in the second buoyancy frame 4 and slidably connected to the inner surface of the second buoyancy frame, so that the floating plate 5 can move up and down in the second buoyancy frame 4, so that when water exists below the floating plate 5, the floating plate 5 can move up under the buoyancy of the water surface, and the floating plate 5 is preferably made of a material capable of floating on the water surface, that is, a material with a density lower than that of water. The floating plate 5 is provided with a discharge hole 51 penetrating the upper and lower surfaces thereof.
The dam cloth 1 is fixed at the bottom of the inner cavity of the shell 2, the dam cloth 1 is circular, a through hole 11 is formed in the center of the dam cloth 1, the through hole 11 is preferably circular, the outer peripheral surface of the dam cloth 1 is fixedly connected with the inner peripheral surface of the shell 2, and the lower ends of the first buoyancy frame 3 and the second buoyancy frame 4 can abut against the dam cloth 1.
The upper and lower surfaces of the drain frame 6 communicate with each other, and the lower end of the drain frame 6 is aligned with the discharge hole 51 and fixedly coupled with the upper surface of the floating plate 5 such that the interior of the drain frame 6 communicates with the interior of the discharge hole 51.
As shown in fig. 1 and 2, when the integrated surrounding well of the present invention is used, the through hole 11 of the dam 1 is directly opposite to the water outlet of the piping, and the lower ends of the dam 1 and the casing 2 are fixed on the ground. Then, water sprayed from the piping enters the second buoyancy frame 4 from the through hole 11, and then the water level rises, so that the floating plate 5 rises along with the rise of the water level until the floating plate 5 abuts against the limiting block 42. When the water level continues to rise, water enters the drainage frame 6 through the discharge hole 51, the water level rises and is higher than the first buoyancy frame 3 and the second buoyancy frame 4, and then the first buoyancy frame 4 and the second buoyancy frame 3 move upwards under the action of buoyancy until the first limiting rope 72 and the second limiting rope 71 are straightened and are in a fully expanded state, so that the function of a surrounding well is realized. And can directly use after the installation, need not to aerify the operation such as etc., not only need not prepare the aeration equipment, and easy to use is convenient moreover, and when not using simultaneously, second buoyancy frame 4 is acceptd in first buoyancy frame 3, and first buoyancy frame 3 is acceptd in shell 2 to can reduce the volume, conveniently store the transportation etc.. So far, the use process of the first embodiment of the integrated well casing is described.
The second embodiment:
as shown in fig. 3, in this embodiment, the integrated well casing includes not only all the technical features of the first embodiment, but also a drainage structure.
The drainage structure includes a central shaft 81 in the drainage frame 6, a spiral part 82 provided on the central shaft 81, a connection frame 83 provided at an upper end of the central shaft 81, a slip ring 84 provided on an outer peripheral surface of the drainage frame 6, a rotation frame 85 provided on an outer peripheral surface of the slip ring 84, a connection frame 86 provided below the rotation frame 85, and a bearing 87 provided in the connection frame 86.
The central shaft 81 is vertically arranged in the drainage frame 6, and the central axis of the central shaft 81 is collinear with the central axis of the drainage frame 6. The spiral portion 82 is provided on the outer peripheral surface of the center shaft 81, and the spiral portion 82 is housed in the drain frame 6 such that the spiral portion 82 and the center shaft 81 rotate by water flow when water moves from the inside of the drain frame 6 from the bottom to the top.
The slip ring 84 has a circular ring shape, and the upper end of the drain frame 6 passes through the slip ring 84 and is slidably connected to the inner surface thereof, so that the slip ring 84 can rotate on the outer circumferential surface of the drain frame 6. The rotating frame 85 is in a hollow circular truncated cone shape, the upper surface and the lower surface of the rotating frame are communicated, and the outer peripheral surface of the slip ring 84 is fixedly connected with the inner peripheral surface of the rotating frame 85, so that the slip ring 84 and the rotating frame 85 can rotate together. One or more connecting frames 83 may be provided, one end of each connecting frame 83 is fixedly connected to the rotating frame 85, and the other end of each connecting frame 83 is fixedly connected to the central shaft 81. Preferably, the outer diameter of the rotating frame 85 is larger than the diameter of the outer circumferential surface of the housing 2, so that the water thrown out by the rotating frame 85 does not flow into the housing 2.
The connecting frame 86 is a hollow cylinder, the upper surface and the lower surface of the connecting frame 86 are communicated, the upper end of the connecting frame 86 is fixedly connected with the inner surface of the rotating frame 85, and the central axis of the connecting frame 86 is collinear with the central axis of the drainage frame 6.
The drain frame 6 is fixedly coupled to the inner ring of the bearing 87, and the outer ring of the bearing 87 is fixedly coupled to the inner circumferential surface of the coupling frame 86, so that the coupling frame 86 can stably rotate on the drain frame 6, and the rotating frame 85, the slip ring 84, the coupling frame 83, the central shaft 81, and the spiral portion 82 rotate together.
As shown in fig. 3, when the second embodiment of the integrated circumferential well of the present invention is used, when water below the floating plate 5 continues to flow upward and flows upward through the drainage frame 6, the spiral portion 82 and the central shaft 81 are rotated by the water flow, so that the connection frame 83, the slip ring 84, the rotation frame 85, and the connection frame 86 are rotated around the drainage frame 6, the water flows onto the outer circumferential surface of the rotation frame 85 when overflowing from the upper end of the drainage frame 6, and the rotating rotation frame 85 can rapidly throw the water on the outer circumferential surface thereof out, so that the water is discharged as soon as possible, and the water is prevented from flowing onto the floating plate 5 and depositing on the floating plate 5 to increase the weight thereof, so that the floating plate 5 moves downward to affect the space below the floating plate 5 for storing water.
And when discharge is great, its effect is more obvious, and discharge is bigger, and the rotatory speed of rotatory frame 85 is faster, and then makes water can be more quick throws away, prevents that a large amount of water from deposiing and influencing its effect on floating plate 5. And need not to increase power, can automatic quick drainage, simple structure, reduce cost, convenient to use. So far, the use process of the second embodiment of the integrated well casing is described.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides an integral type encloses well, includes the shell, is fixed in the dam cloth of shell bottom, its characterized in that: the integrated surrounding well further comprises a first buoyancy frame movably arranged in the shell, a second buoyancy frame movably arranged in the first buoyancy frame, a floating plate movably arranged in the second buoyancy frame and a drainage frame fixed above the floating plate, wherein a drainage hole is formed in the floating plate, and the lower end of the drainage frame is aligned to the drainage hole and fixedly connected with the upper surface of the floating plate.
2. The integrated weirs of claim 1, wherein: and a first sealing frame is fixed on the outer peripheral surface of the first buoyancy frame, and the outer peripheral surface of the first sealing frame is abutted against the inner peripheral surface of the shell and is in sliding connection with the inner peripheral surface.
3. The integrated weirs of claim 2, wherein: and a second sealing frame is fixed on the outer peripheral surface of the second buoyancy frame, and the outer peripheral surface of the second sealing frame is abutted against the inner peripheral surface of the first buoyancy frame and is in sliding connection with the inner peripheral surface of the first buoyancy frame.
4. The integrated weirs of claim 3, wherein: the integrated well surrounding is characterized in that a second fixing piece is arranged on the first sealing frame, a first fixing piece is fixed on the shell, the integrated well surrounding further comprises a first limiting rope, one end of the first limiting rope is fixedly connected with the first fixing piece, and the other end of the first limiting rope is fixedly connected with the second fixing piece.
5. The integrated weirs of claim 4, wherein: the integrated surrounding well further comprises a second limiting rope, one end of the second limiting rope is fixedly connected with the first fixing piece, and the other end of the second limiting rope is fixedly connected with the third fixing piece.
6. The integrated weirs of claim 5, wherein: the inner peripheral surface of the second buoyancy frame is provided with a limiting block located above the floating plate, and one end of the limiting block is fixedly connected with the inner peripheral surface of the second buoyancy frame.
7. The integrated weirs of claim 6, wherein: the integrated surrounding well further comprises a drainage structure arranged on the drainage frame.
8. The integrated weirs of claim 7, wherein: the drainage structure comprises a sliding ring capable of rotating on the outer peripheral surface of the drainage frame and a rotating frame fixed on the outer peripheral surface of the sliding ring.
9. The integrated weirs of claim 8, wherein: the rotary frame is fixedly provided with a connecting frame, a bearing is arranged in the connecting frame, the drainage frame penetrates through an inner ring of the bearing and is fixedly connected with the inner ring, and an outer ring of the bearing is fixedly connected with the connecting frame.
10. The integrated weirs of claim 9, wherein: the drainage structure further comprises a central shaft arranged in the drainage frame, a spiral part fixed on the central shaft, and a connecting frame fixed at the upper end of the central shaft, wherein the connecting piece is fixedly connected with the rotating frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211087505.7A CN115233612B (en) | 2022-09-07 | 2022-09-07 | Integrated surrounding well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211087505.7A CN115233612B (en) | 2022-09-07 | 2022-09-07 | Integrated surrounding well |
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| Publication Number | Publication Date |
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| CN115233612A true CN115233612A (en) | 2022-10-25 |
| CN115233612B CN115233612B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211087505.7A Active CN115233612B (en) | 2022-09-07 | 2022-09-07 | Integrated surrounding well |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2499437Y (en) * | 2001-10-12 | 2002-07-10 | 水利部交通部电力工业部南京水利科学研究院 | Assembling type piping surrounding well for combating flood and protection |
| CN105019403A (en) * | 2014-04-23 | 2015-11-04 | 张谦 | Membrane structure anti-filtration surrounding well aided by buoyancy |
| JP2017089134A (en) * | 2015-11-04 | 2017-05-25 | Ｊｆｅ建材株式会社 | Cutoff method and water cutoff wall structure |
| CN110397055A (en) * | 2019-08-12 | 2019-11-01 | 长江勘测规划设计研究有限责任公司 | A kind of jack up waterwall being embedded in box cofferdam |
| CN111705821A (en) * | 2020-06-02 | 2020-09-25 | 代振明 | Water retaining device is used in hydraulic engineering construction |
| CN214613890U (en) * | 2021-03-24 | 2021-11-05 | 长江水利委员会长江科学院 | Integral flexible water-filling surrounding well for piping emergency |
-
2022
- 2022-09-07 CN CN202211087505.7A patent/CN115233612B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2499437Y (en) * | 2001-10-12 | 2002-07-10 | 水利部交通部电力工业部南京水利科学研究院 | Assembling type piping surrounding well for combating flood and protection |
| CN105019403A (en) * | 2014-04-23 | 2015-11-04 | 张谦 | Membrane structure anti-filtration surrounding well aided by buoyancy |
| JP2017089134A (en) * | 2015-11-04 | 2017-05-25 | Ｊｆｅ建材株式会社 | Cutoff method and water cutoff wall structure |
| CN110397055A (en) * | 2019-08-12 | 2019-11-01 | 长江勘测规划设计研究有限责任公司 | A kind of jack up waterwall being embedded in box cofferdam |
| CN111705821A (en) * | 2020-06-02 | 2020-09-25 | 代振明 | Water retaining device is used in hydraulic engineering construction |
| CN214613890U (en) * | 2021-03-24 | 2021-11-05 | 长江水利委员会长江科学院 | Integral flexible water-filling surrounding well for piping emergency |
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| CN115233612B (en) | 2023-09-12 |
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