CN112281773A - Water conservancy and hydropower engineering construction hole inner water conservancy diversion drainage structures - Google Patents
Water conservancy and hydropower engineering construction hole inner water conservancy diversion drainage structures Download PDFInfo
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- CN112281773A CN112281773A CN202011099342.5A CN202011099342A CN112281773A CN 112281773 A CN112281773 A CN 112281773A CN 202011099342 A CN202011099342 A CN 202011099342A CN 112281773 A CN112281773 A CN 112281773A
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- construction hole
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- 238000010276 construction Methods 0.000 title claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 56
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 21
- 239000004575 stone Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to a flow guide and drainage structure in a hydraulic and hydroelectric engineering construction hole, belonging to the technical field of hydraulic and hydroelectric engineering; the construction tunnel comprises a construction tunnel body and a construction tunnel ground, wherein the construction tunnel body is arranged on the upper side of the construction tunnel ground, and two sides of the lower side of the construction tunnel body are respectively of an integrated structure with the construction tunnel ground; the drainage mechanism is arranged on the upper side of the ground of the construction hole, the dredging mechanism is arranged on the lower side of a drainage plate in the drainage mechanism, the drainage mechanism further comprises a plurality of supporting plates, supporting legs and a connecting frame, and the dredging mechanism is composed of an inserted link, a connecting rod and a spring; in the process of draining, the piled stones or impurities can be cleaned, the integral draining effect is improved, the phenomenon that the drainage ditch is blocked cannot occur, and the integral practicability is improved.
Description
Technical Field
The invention relates to the technical field of hydraulic and hydroelectric engineering, in particular to a flow guide and drainage structure in a construction tunnel of the hydraulic and hydroelectric engineering.
Background
Water is the essential element that the mankind relied on with the existence, electric power is the main energy of social development, hydraulic and hydroelectric engineering just carries out the engineering adjusted to the water and electricity of people's living environment, hydraulic and hydroelectric engineering often needs to work inside the construction hole, so the inside drainage structures of construction hole must be done, make things convenient for workman's construction and subsequent use, but the water conservancy diversion drainage in the current construction hole, often can be blockked up by the stone that produces in the construction, lead to whole unable effectual drainage of carrying on, thereby whole drainage effect has been reduced, the stone that produces in the construction simultaneously piles up inside the escape canal easily and is difficult to clear up, thereby block up the escape canal, whole practicality has been reduced.
Disclosure of Invention
The invention aims to provide a diversion drainage structure in a hydraulic and hydroelectric engineering construction hole, which is reasonable in design and convenient to use, aiming at overcoming the defects and shortcomings of the prior art, and can be used for cleaning accumulated stones or impurities in the drainage process, so that the overall drainage effect is improved, the drainage ditch is not blocked, and the overall practicability is improved.
In order to achieve the purpose, the invention adopts the technical scheme that: the construction tunnel comprises a construction tunnel body and a construction tunnel ground, wherein the construction tunnel body is arranged on the upper side of the construction tunnel ground, and two sides of the lower side of the construction tunnel body are respectively of an integrated structure with the construction tunnel ground; the construction tunnel further comprises a drainage mechanism and a dredging mechanism, wherein the drainage mechanism is arranged on the upper side of the ground of the construction tunnel, and the dredging mechanism is arranged on the lower side of a drainage plate in the drainage mechanism;
the drainage mechanism further comprises a plurality of supporting plates, supporting legs and a connecting frame, wherein the supporting legs are fixed on the lower surfaces of the supporting plates at equal intervals, the lower ends of the supporting legs are respectively fixed on the ground of the construction hole, the supporting plates are arranged in a pairwise contact manner, connecting grooves are formed in the front side and the rear side of the upper surface of each supporting plate, the connecting frame is inserted into the connecting grooves in the rear side of each supporting plate, the connecting frame is arranged in an inverted U shape, the vertical edges of the rear side of each connecting frame are inserted into the connecting grooves in the front side of the adjacent supporting plate, strip-shaped openings are formed in the upper side of each supporting plate at equal intervals from left to right, a plurality of flow guide holes are formed in the lower side of each supporting plate at equal intervals, the flow guide holes are arranged in a funnel shape, the flow guide holes are arranged corresponding to the strip-;
foretell mediation mechanism comprises inserted bar, connecting rod and spring, and the inside downside equidistance of bar mouth is equipped with the several connecting rod, the downside at these connecting rod both ends respectively with the both sides fixed connection of the interior lateral wall of bar mouth, the upper end equidistance of connecting rod is fixed with several inserted bar, the upper end of this inserted bar is inserted and is established in the drain hole, the equal equidistance in the left and right sides of inserted bar downside is equipped with the several spring, the lower extreme of this spring is fixed on the inside wall of bar mouth downside, the both sides at the drain bar lower surface are fixed to the.
Further, the downside of water conservancy diversion hole be equipped with and connect the water bucket, the lateral wall of this water bucket upper end is fixed on the lower surface of backup pad, the lower extreme that connects the water bucket is inserted and is established in the water receiving pipe, the water receiving pipe is fixed on the upper surface on construction hole ground, and the downside of water receiving pipe one end is inserted and is equipped with the connecting pipe, the lower extreme of this connecting pipe is inserted and is established in the conveyer pipe, this conveyer pipe inlays and establishes in construction hole ground, the other end and the outside suction pump of conveyer pipe are connected, when carrying out the drainage, water via drainage mechanism arrange to the water receiving intraductally, discharge via the conveyer pipe at last.
Further, the left and right sides wall of backup pad on all be fixed with a sealing strip, another lateral wall of this a sealing strip is contradicted with the inside wall of construction hole body left and right sides respectively and is set up, the upside of a sealing strip is the tapered wedge setting, makes through a sealing strip and seals between backup pad and the construction hole body.
Further, the outer side walls of the front side and the rear side of the connecting frame are respectively fixed with a second sealing strip, the other side wall of the second sealing strip is respectively in contact with the inner side wall of one side of the connecting groove, and when drainage is carried out, a gap between the connecting frame and the connecting groove is blocked through the second sealing strip.
Furthermore, the upper surface of the supporting plate is fixed with a non-slip mat which is sleeved on the outer side of the drainage plate, and when working, a worker increases the friction force on the ground through the non-slip mat.
The working principle of the invention is as follows: when the drainage hole is used, firstly, according to the length of the construction hole body, a proper amount of supporting plates are selected to be flatly paved above the construction hole ground, so that the supporting legs are abutted above the construction hole ground, then connecting frames with corresponding quantity are taken, two sides of each connecting frame are respectively inserted into connecting grooves in two adjacent supporting plates until all the supporting plates are connected in pairs, in the drainage process, if the drainage hole is blocked, the supporting plates are stepped down, the supporting plates compress the springs and then move downwards, in the downward movement process of the supporting plates, the inserting rods are inserted into the upper sides of the inner parts of the drainage holes, and therefore plugs in the drainage holes are upwards ejected out through the inserting rods, the drainage holes are dredged, and drainage is continued.
After adopting the structure, the invention has the beneficial effects that:
1. in the process of drainage, the accumulated stones or impurities can be cleaned, so that the integral drainage effect is improved, the drainage ditch is not blocked, and the integral practicability is improved;
2. the upper side on construction hole ground is equipped with the backup pad, and the staff stands in the backup pad, separates with construction hole ground to the convenient drainage that can be better.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 1.
Fig. 4 is an enlarged view of the portion C in fig. 3.
Fig. 5 is a schematic structural view of the connecting frame of the present invention.
Fig. 6 is a top view of a support plate according to the present invention.
Description of reference numerals:
the construction tunnel comprises a construction tunnel body 1, a construction tunnel ground 2, a drainage mechanism 3, a drainage plate 3-1, a support plate 3-2, support legs 3-3, a connecting frame 3-4, a connecting groove 3-5, a strip-shaped opening 3-6, a diversion hole 3-7, a drainage hole 3-8, a dredging mechanism 4, an inserted link 4-1, a connecting link 4-2, a spring 4-3, a water receiving hopper 5, a water receiving pipe 6, a connecting pipe 7, a conveying pipe 8, a first sealing strip 9, a second sealing strip 10 and an anti-skid pad 11.
The specific implementation mode is as follows:
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.
As shown in fig. 1 to fig. 6, the following technical solutions are adopted in the present embodiment: the construction tunnel comprises a construction tunnel body 1 and a construction tunnel ground 2, wherein the construction tunnel body 1 is arranged on the upper side of the construction tunnel ground 2, and two sides of the lower side of the construction tunnel body 1 are respectively in an integrated structure with the construction tunnel ground 2; the construction hole is characterized by further comprising a drainage mechanism 3 and a dredging mechanism 4, wherein the drainage mechanism 3 is arranged on the upper side of the construction hole ground 2, the drainage mechanism 3 is composed of a drainage plate 3-1, a plurality of supporting plates 3-2, supporting legs 3-3 and connecting frames 3-4, the plurality of supporting legs 3-3 are welded and fixed on the lower surface of the supporting plate 3-2 at equal intervals, the lower ends of the supporting legs 3-3 are respectively fixed on the construction hole ground 2 through screws, the plurality of supporting plates 3-2 are arranged in a pairwise contact manner, the front side and the rear side of the upper surface of the supporting plate 3-2 are respectively provided with connecting grooves 3-5, the connecting frames 3-4 are inserted into the connecting grooves 3-5 on the rear side of the supporting plate 3-2, the connecting frames 3-4 are arranged in an inverted U shape, the vertical edges on the rear side of the connecting frames 3-4 are inserted into the connecting, the outer side walls of the front side and the rear side of the connecting frame 3-4 are respectively stuck and fixed with a second sealing strip 10, the other side wall of the second sealing strip 10 is respectively arranged in contact with the inner side wall of one side of a connecting groove 3-5, when water is drained, water is prevented from flowing into the connecting groove 3-5, the upper side of a supporting plate 3-2 is provided with strip-shaped ports 3-6 at equal intervals from left to right, the lower side of the supporting plate 3-2 is provided with a plurality of guide holes 3-7 at equal intervals, the guide holes 3-7 are arranged in a funnel shape, the guide holes 3-7 are arranged corresponding to the strip-shaped ports 3-6, the guide holes 3-7 are communicated with the strip-shaped ports 3-6, a drainage plate 3-1 is arranged at the upper side inside the strip-6, the upper side of the drainage plate 3-1 is provided with a plurality of rows of, the outer side wall of the upper end of the water receiving hopper 5 is welded and fixed on the lower surface of the supporting plate 3-2, the lower end of the water receiving hopper 5 is inserted into the water receiving pipe 6, the water receiving pipe 6 is fixed on the upper surface of the construction hole ground 2 through bolts, a connecting pipe 7 is inserted, welded and fixed on the lower side of the front end of the water receiving pipe 6, the lower end of the connecting pipe 7 is inserted into a conveying pipe 8, the conveying pipe 8 is embedded into the construction hole ground 2, and the right end of the conveying pipe 8 is connected with an external water suction pump, so that water can be conveniently discharged;
a dredging mechanism 4 is arranged at the lower side of the drainage plate 3-1, the dredging mechanism 4 is composed of an insert rod 4-1, a connecting rod 4-2 and a spring 4-3, a plurality of connecting rods 4-2 are arranged at equal intervals at the lower side inside the strip-shaped opening 3-6, the lower sides of the two ends of the connecting rod 4-2 are respectively welded and fixed with the two sides of the inner side wall of the strip-shaped opening 3-6, a plurality of insert rods 4-1 are welded and fixed at the upper end of the connecting rod 4-2 at equal intervals, the upper end of the insert rod 4-1 is inserted into the drainage hole 3-8, a plurality of springs 4-3 are arranged at equal intervals at the left side and the right side of the lower side of the insert rod 4-1, the lower ends of the springs 4-3 are welded and fixed on the inner side wall, a first sealing strip 9 is fixedly adhered to the left side wall and the right side wall of the supporting plate 3-2, the other side wall of the first sealing strip 9 is respectively abutted against the inner side walls of the left side wall and the right side wall of the construction hole body 1, and the upper side of the first sealing strip 9 is arranged in a wedge shape, so that water can be prevented from flowing to the lower side of the supporting plate 3-2 from the space between the supporting plate 3-2 and the construction hole body 1; the upper surface of the supporting plate 3-2 is fixedly provided with an anti-slip mat 11 in a sticking way, the anti-slip mat 11 is sleeved on the outer side of the drainage plate 3-1, and when working, a worker can be prevented from falling down.
The working principle of the specific embodiment is as follows: when in use, firstly, according to the length of the construction hole body 1, selecting a proper amount of support plates 3-2 to be tiled above the construction hole ground 2 to enable the support legs 3-3 to be abutted against the construction hole ground 2, then taking a corresponding number of connecting frames 3-4, respectively inserting two sides of each connecting frame 3-4 into connecting grooves 3-5 on two adjacent support plates 3-2 until all the support plates 3-2 are connected in pairs, in the drainage process, if a drain hole 3-8 is blocked, stepping down the support plates 3-2, compressing the springs 4-3 by the support plates 3-2 and then moving downwards, in the downward movement process of the support plates 3-2, enabling the inserted rod 4-1 to be inserted into the upper side inside the drain hole 3-8, so as to upwards eject the blocking object inside the drain hole 3-8 through the inserted rod 4-1, so that the drain holes 3-8 are dredged and the water is drained continuously.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. in the process of drainage, the accumulated stones or impurities can be cleaned, so that the integral drainage effect is improved, the drainage ditch is not blocked, and the integral practicability is improved;
2. a support plate 3-2 is arranged on the upper side of the construction hole ground 2, and workers stand on the support plate 3-2 and are separated from the construction hole ground 2, so that water can be drained better and conveniently;
3. the water receiving hopper 5 at the lower side of the diversion holes 3-7 can discharge water into the water receiving pipe 6, then the water is discharged into the conveying pipe 8 through the connecting pipe 7, and finally the water is discharged, so that no water is left in the construction tunnel body 1, and the dryness and cleanliness of the construction tunnel ground 2 are improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (6)
1. The diversion and drainage structure in the hydraulic and hydroelectric engineering construction hole comprises a construction hole body (1) and a construction hole ground (2), wherein the construction hole body (1) is arranged on the upper side of the construction hole ground (2), and two sides of the lower side of the construction hole body (1) are respectively integrated with the construction hole ground (2) into a whole structure; the method is characterized in that: the construction tunnel is characterized by also comprising a drainage mechanism (3) and a dredging mechanism (4), wherein the drainage mechanism (3) is arranged on the upper side of the construction tunnel ground (2), and the dredging mechanism (4) is arranged on the lower side of a drainage plate (3-1) in the drainage mechanism (3);
the drainage mechanism (3) also comprises a plurality of supporting plates (3-2), supporting legs (3-3) and connecting frames (3-4), wherein the supporting legs (3-3) are fixed on the lower surface of the supporting plate (3-2) at equal intervals, the lower ends of the supporting legs (3-3) are respectively fixed on the ground (2) of the construction hole, the supporting plates (3-2) are arranged in a pairwise contact manner, the front side and the rear side of the upper surface of the supporting plate (3-2) are respectively provided with a connecting groove (3-5), the connecting frames (3-4) are inserted into the connecting grooves (3-5) on the rear side of the supporting plate (3-2), the connecting frames (3-4) are arranged in an inverted U shape, the vertical edge on the rear side of the connecting frame (3-4) is inserted into the connecting groove (3-5) on the front side of the supporting plate (3-2) adjacent to, the upper side of the supporting plate (3-2) is provided with strip-shaped ports (3-6) at equal intervals from left to right, the lower side of the supporting plate (3-2) is provided with a plurality of flow guide holes (3-7) at equal intervals, the flow guide holes (3-7) are arranged in a funnel shape, the flow guide holes (3-7) are arranged corresponding to the strip-shaped ports (3-6), the flow guide holes (3-7) are communicated with the strip-shaped ports (3-6), the drainage plate (3-1) is arranged on the upper side inside the strip-shaped ports (3-6), and the upper side of the drainage plate (3-1) is provided with a plurality of rows of drainage holes (3-8;
the dredging mechanism (4) consists of an inserted link (4-1), a connecting rod (4-2) and a spring (4-3), a plurality of connecting rods (4-2) are arranged at equal intervals at the lower side inside the strip-shaped opening (3-6), the lower sides of the two ends of the connecting rod (4-2) are respectively fixedly connected with the two sides of the inner side wall of the strip-shaped opening (3-6), a plurality of inserted rods (4-1) are fixed at the upper end of the connecting rod (4-2) at equal intervals, the upper end of the inserted bar (4-1) is inserted in the drain hole (3-8), the left side and the right side of the lower side of the inserted bar (4-1) are provided with a plurality of springs (4-3) at equal intervals, the lower end of the spring (4-3) is fixed on the inner side wall at the lower side of the strip-shaped opening (3-6), and the upper end of the spring (4-3) is fixed on two sides of the lower surface of the drainage plate (3-1).
2. The water conservancy and hydropower engineering construction tunnel inner water conservancy and drainage structure of claim 1, which is characterized in that: the downside of water conservancy diversion hole (3-7) be equipped with and connect water bucket (5), the lateral wall that should connect water bucket (5) upper end is fixed on the lower surface of backup pad (3-2), the lower extreme that connects water bucket (5) is inserted and is established in water receiving pipe (6), water receiving pipe (6) are fixed on the upper surface of construction hole ground (2), and the downside of water receiving pipe (6) one end is inserted and is equipped with connecting pipe (7), the lower extreme of this connecting pipe (7) is inserted and is established in conveyer pipe (8), this conveyer pipe (8) are inlayed and are established in construction hole ground (2), the other end and the outside suction pump of conveyer pipe (8) are connected, when carrying out the drainage, water is arranged to water receiving pipe (6) via drainage mechanism (3), discharge via conveyer pipe (8) at last.
3. The water conservancy and hydropower engineering construction tunnel inner water conservancy and drainage structure of claim 1, which is characterized in that: the left and right sides wall of backup pad (3-2) on all be fixed with sealing strip (9) No. one, another lateral wall of this sealing strip (9) is contradicted with the inside wall of construction hole body (1) left and right sides respectively and is set up, the upside of a sealing strip (9) is the tapered wedge setting, makes to seal between backup pad (3-2) and construction hole body (1) through sealing strip (9).
4. The water conservancy and hydropower engineering construction tunnel inner water conservancy and drainage structure of claim 1, which is characterized in that: the outer side walls of the front side and the rear side of the connecting frame (3-4) are respectively fixed with a second sealing strip (10), the other side wall of the second sealing strip (10) is respectively in contact with the inner side wall of one side of the connecting groove (3-5), and when drainage is carried out, a gap between the connecting frame (3-4) and the connecting groove (3-5) is blocked through the second sealing strip (10).
5. The water conservancy and hydropower engineering construction tunnel inner water conservancy and drainage structure of claim 1, which is characterized in that: an anti-slip pad (11) is fixed on the upper surface of the supporting plate (3-2), the anti-slip pad (11) is sleeved on the outer side of the drainage plate (3-1), and when a worker works, the friction force of the ground is increased through the anti-slip pad (11).
6. The water conservancy and hydropower engineering construction tunnel inner water conservancy and drainage structure of claim 1, which is characterized in that: the working principle is as follows: when the drainage device is used, firstly, according to the length of a construction hole body (1), a proper amount of support plates (3-2) are selected and tiled above the construction hole ground (2), so that the support legs (3-3) are abutted against the construction hole ground (2), then, a corresponding number of connecting frames (3-4) are taken, two sides of each connecting frame (3-4) are respectively inserted into connecting grooves (3-5) on two adjacent support plates (3-2) until all the support plates (3-2) are connected in pairs, in the drainage process, if a drainage hole (3-8) is blocked, the support plates (3-2) are stepped down, the support plates (3-2) compress the springs (4-3) and then move downwards, in the downward movement process of the support plates (3-2), the inserting rods (4-1) are inserted into the upper sides inside the drainage holes (3-8), therefore, the plug inside the drain hole (3-8) is ejected upwards through the inserted link (4-1), so that the drain hole (3-8) is dredged and the water is drained continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011099342.5A CN112281773B (en) | 2020-10-14 | 2020-10-14 | Water conservancy and hydropower engineering construction hole inner water conservancy diversion drainage structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011099342.5A CN112281773B (en) | 2020-10-14 | 2020-10-14 | Water conservancy and hydropower engineering construction hole inner water conservancy diversion drainage structures |
Publications (2)
| Publication Number | Publication Date |
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| CN112281773A true CN112281773A (en) | 2021-01-29 |
| CN112281773B CN112281773B (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011099342.5A Expired - Fee Related CN112281773B (en) | 2020-10-14 | 2020-10-14 | Water conservancy and hydropower engineering construction hole inner water conservancy diversion drainage structures |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0775242A (en) * | 1993-08-31 | 1995-03-17 | Eiichi Tashiro | Underground common conduit line |
| CN206646466U (en) * | 2017-03-09 | 2017-11-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Drainage structure for emptying maintenance of diversion tunnel |
| CN207749618U (en) * | 2017-12-21 | 2018-08-21 | 深圳中正建华科技有限公司 | A kind of double-layer stainless steel drainage ditch cover plate |
| CN109930679A (en) * | 2019-04-01 | 2019-06-25 | 四川大学工程设计研究院有限公司 | A kind of water-saving building supply and drain water system |
| CN210887156U (en) * | 2019-09-23 | 2020-06-30 | 湖北水总水利水电建设股份有限公司 | Water conservancy and hydropower engineering construction hole inner water conservancy diversion drainage structures |
| CN111691917A (en) * | 2020-06-22 | 2020-09-22 | 高飞飞 | Water drainage device for tunnel and construction method thereof |
-
2020
- 2020-10-14 CN CN202011099342.5A patent/CN112281773B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0775242A (en) * | 1993-08-31 | 1995-03-17 | Eiichi Tashiro | Underground common conduit line |
| CN206646466U (en) * | 2017-03-09 | 2017-11-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Drainage structure for emptying maintenance of diversion tunnel |
| CN207749618U (en) * | 2017-12-21 | 2018-08-21 | 深圳中正建华科技有限公司 | A kind of double-layer stainless steel drainage ditch cover plate |
| CN109930679A (en) * | 2019-04-01 | 2019-06-25 | 四川大学工程设计研究院有限公司 | A kind of water-saving building supply and drain water system |
| CN210887156U (en) * | 2019-09-23 | 2020-06-30 | 湖北水总水利水电建设股份有限公司 | Water conservancy and hydropower engineering construction hole inner water conservancy diversion drainage structures |
| CN111691917A (en) * | 2020-06-22 | 2020-09-22 | 高飞飞 | Water drainage device for tunnel and construction method thereof |
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|---|---|
| CN112281773B (en) | 2022-02-08 |
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