CN112049220B - Energy-concerving and environment-protective type cistern anti-overflow water equipment for hydraulic engineering - Google Patents
Energy-concerving and environment-protective type cistern anti-overflow water equipment for hydraulic engineering Download PDFInfo
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- CN112049220B CN112049220B CN202010890390.XA CN202010890390A CN112049220B CN 112049220 B CN112049220 B CN 112049220B CN 202010890390 A CN202010890390 A CN 202010890390A CN 112049220 B CN112049220 B CN 112049220B
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- fixedly connected
- plate
- water
- pool wall
- gear
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention relates to the technical field of hydraulic engineering, and discloses energy-saving and environment-friendly reservoir anti-overflow water equipment for hydraulic engineering, which comprises a reservoir wall, wherein the surface of the reservoir wall is movably connected with a limiting block, the bottom of the limiting block is fixedly connected with a steel wire, the other end of the steel wire is fixedly connected with a floating ball, the surface of the reservoir wall is fixedly connected with a supporting frame, the top of the supporting frame is fixedly connected with an arc-shaped toothed plate, the top of the arc-shaped toothed plate is fixedly connected with an elastic frame, the top of the elastic frame is fixedly connected with a piezoelectric device, the top inside of the reservoir wall is fixedly connected with a water-stop plate, the side surface of the water-stop plate is fixedly connected with a fixed plate, one end of a push rod is fixedly connected with a shielding plate, when water is continuously injected from the, when the floating ball moves upwards, the cover plate moves horizontally towards the water inlet pipe, and the water surface of the reservoir is covered.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to energy-saving and environment-friendly water reservoir anti-overflow equipment for hydraulic engineering.
Background
The impounding reservoir is a water storage facility which is built by artificial materials and has an anti-seepage effect, is an important rainwater accumulation important engineering facility, is lack of fresh water resources, restricts social and economic development to a certain extent due to water pollution and ecological deterioration, is low in cost, makes a great contribution to flood control and drainage of cities, and protects and navigates the development of the urban economy.
However, when the water storage tank is used, due to the fact that rainfall or urban water discharge is too large, the water storage tank can overflow, functions of the water storage tank are reduced, potential safety hazards exist, and therefore the water overflow prevention device has great significance for the water storage tank, and therefore the water conservancy project energy-saving environment-friendly water storage tank water overflow prevention device is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides energy-saving and environment-friendly water reservoir anti-overflow equipment for hydraulic engineering, which has the advantages of anti-overflow and automatic cover sealing and solves the problem of water reservoir overflow.
(II) technical scheme
In order to achieve the purposes of preventing water overflow and automatically sealing the cover, the invention provides the following technical scheme: an energy-saving and environment-friendly reservoir anti-overflow device for hydraulic engineering comprises a reservoir wall, wherein the surface of the reservoir wall is provided with a through hole, the surface of the reservoir wall is movably connected with a limiting block, the bottom of the limiting block is fixedly connected with a steel wire, the other end of the steel wire is fixedly connected with a floating ball, the surface of the reservoir wall is fixedly connected with a supporting frame, the top of the supporting frame is fixedly connected with an arc toothed plate, the bottom of the arc toothed plate is fixedly connected with a convex ball column, the top of the arc toothed plate is fixedly connected with an elastic frame, the top of the elastic frame is fixedly connected with a piezoelectric device, the top of the inner part of the reservoir wall is fixedly connected with a water-stop plate, one side of the water-stop plate is movably connected with a first gear, the side of the first gear is movably, the fixed plate bottom has been seted up the spout, spout swing joint has the rack board, the one end fixedly connected with elastic rod of water-stop sheet is kept away from to the fixed plate, the one end fixedly connected with push rod of water-stop sheet is kept away from to the rack board, push rod other end fixedly connected with apron, apron top swing joint has the telescopic link, telescopic link fixed surface is connected with the spring, spring other end fixedly connected with inlet tube.
Preferably, the middle part of the limiting block is positioned in the through hole, the widths of the top and the bottom of the limiting block are larger than the diameter of the through hole, the convex spherical column is positioned right above the limiting block, and the radian of the bottom of the convex spherical column is the same as that of the top of the limiting block.
Preferably, the gear at the top of the arc toothed plate is meshed with a second gear, and the second gear is movably connected to the top of the inner wall of the pool wall.
Preferably, the other end of the elastic rod is fixedly connected to the surface of the covering plate, the push rod is located in the middle of the covering plate, and the elastic rod is located above the push rod.
Preferably, telescopic link other end swing joint is at pool wall inner wall top, a side that the apron is close to the inlet tube is provided with the silica gel pad, spring and elastic rod are tensile state initially, the apron is not laminated with the inlet tube initially.
Preferably, the number of the water-stop sheets is two, the bottom of the water-stop sheet is not in contact with the bottom of the inner wall of the pool wall, the floating ball is positioned between the pool wall and the water-stop sheets, and the part between the two water-stop sheets and the part between the water-stop sheets and the pool wall form a U-shaped pipe.
Preferably, the bottom of the cover plate is provided with a rotating roller, the surface of the rotating roller of the cover plate is wound with a polyethylene film, and when the cover plate slides on the water surface, the polyethylene film at the bottom of the cover plate is laid on the water surface.
(III) advantageous effects
Compared with the prior art, the invention provides energy-saving and environment-friendly water reservoir anti-overflow equipment for hydraulic engineering, which has the following beneficial effects:
1. this water conservancy project is with energy-concerving and environment-protective type cistern anti-overflow water equipment, when reaching the floater bottom through the cistern water level and continuing the water injection, the floater upward movement under the buoyancy effect to drive stopper extrusion arc pinion rack and shift up, the elastic frame at rethread arc pinion rack top exerts pressure to the piezoelectric actuator, because the effect of pressure, piezoelectric actuator discharge control water intaking valve is closed, and the cistern stops the water injection, reaches the effect that prevents the overflow.
2. This energy-concerving and environment-protective type cistern anti-overflow water equipment for hydraulic engineering, when shifting up through the arc pinion rack, because of arc pinion rack upper surface and second gear engagement, drive second gear anticlockwise rotation, the second gear drives first gear revolve through the belt again, because first gear and rack plate meshing, thereby it removes to the inlet tube along the spout level to drive the rack plate, at this moment, the elastic rod is tensile, the telescopic link is tensile, the spring compression, cover the plate surface and extrude each other with the inlet tube, cover plate surface silica gel pad extrusion deformation, the cistern surface of water is covered, reach the automatic effect of covering the surface of water.
Drawings
FIG. 1 is a schematic view of the structure of the covering plate of the present invention;
fig. 2 is a schematic structural view of an arc-shaped toothed plate of the present invention;
FIG. 3 is a schematic view of the rack plate structure of the present invention;
fig. 4 is a schematic view of the first gear structure of the present invention.
In the figure: 1. a tank wall; 2. a through hole; 3. a limiting block; 4. a steel wire; 5. a floating ball; 6. a support frame; 7. an arc toothed plate; 8. a convex ball column; 9. an elastic frame; 10. a piezoelectric device; 11. a water-stop sheet; 12. a first gear; 13. a belt; 14. a second gear; 15. a fixing plate; 16. a chute; 17. a rack plate; 18. an elastic rod; 19. a push rod; 20. a cover plate; 21. a telescopic rod; 22. a spring; 23. and (4) a water inlet pipe.
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. 1-4, an energy-saving and environment-friendly water reservoir anti-overflow device for water conservancy project comprises a tank wall 1, the surface of the tank wall 1 is provided with a through hole 2, the surface of the tank wall 1 is movably connected with a limit block 3, the middle part of the limiting block 3 is positioned in the through hole 2, the widths of the top and the bottom of the limiting block 3 are larger than the diameter of the through hole 2, the convex ball column 8 is positioned right above the limiting block 3, the radian of the bottom of the convex ball column 8 is the same as that of the top of the limiting block 3, the bottom of the limiting block 3 is fixedly connected with a steel wire 4, the other end of the steel wire 4 is fixedly connected with a floating ball 5, the surface of the pool wall 1 is fixedly connected with a supporting frame 6, the top of the supporting frame 6 is fixedly connected with an arc-shaped toothed plate 7, the bottom of the arc toothed plate 7 is fixedly connected with a convex spherical column 8, the top of the arc toothed plate 7 is fixedly connected with an elastic frame 9, and the top of the elastic frame 9 is fixedly connected with a piezoelectric device 10.
When the reservoir water level reached 5 bottoms of floater and continue the water injection, floater 5 upward movement under the buoyancy to drive stopper 3 extrusion arc pinion rack 7 and shift up, rethread arc pinion rack 7 top elastic frame 9 applys pressure to piezoelectric actuator 10, because the effect of pressure, piezoelectric actuator 10 discharge control water inlet valve is closed, and the cistern stops the water injection.
The pool wall comprises a pool wall 1, a water-stop plate 11 is fixedly connected to the top inside the pool wall 1, the number of the water-stop plates 11 is two, the bottom of each water-stop plate 11 is not in contact with the bottom of the inner wall of the pool wall 1, a floating ball 5 is positioned between the pool wall 1 and each water-stop plate 11, a U-shaped pipe is formed by the part between each two water-stop plates 11 and the part between each water-stop plate 11 and the corresponding pool wall 1, a first gear 12 is movably connected to one side surface of each water-stop plate 11, a belt 13 is movably connected to the side surface of each first gear 12, a second gear 14 is movably connected to the other end of each belt 13, a gear at the top of each arc-shaped toothed plate 7 is meshed with the second gear 14, the second gear 14 is movably connected to the top of the inner wall of the pool wall 1, each water-stop plate 11 is fixedly connected to a fixing plate 15 on the same, one end of the rack plate 17, which is far away from the water stop plate 11, is fixedly connected with a push rod 19, and the other end of the push rod 19 is fixedly connected with a cover plate 20.
When the arc pinion rack 7 moved up, because of arc pinion rack 7 upper surface and the meshing of second gear 14, drive the 14 anticlockwise rotations of second gear, the 14 rethread belts of second gear 13 drive first gear 12 and rotate, because first gear 12 meshes with rack plate 17, thereby drive rack plate 17 and remove to inlet tube 23 along the 16 levels of spout, at this moment, the elastic rod 18 is tensile, telescopic link 21 is tensile, the compression of spring 22, 20 surfaces of covering plate and inlet tube 23 extrude each other, 20 surfaces of covering plate silica gel pads extrusion deformation, the cistern surface of water is covered.
The utility model discloses a solar water heater, including cover plate 20, 18, spring rod, telescopic link 21, inlet tube 23, cover plate 20, spring rod 18, cover plate 20, water surface 20, the winding of cover plate 20's rotating roll surface has the polyethylene film, cover plate 20 is when the water surface slides, cover plate 20 bottom polyethylene film is laid on the water surface, 18 other end fixed connection of spring rod is on cover plate 20 surface, push rod 19 is located cover plate 20 middle part, spring rod 18 is located 19 tops of push rod, cover plate 20 top swing joint has telescopic link 21, telescopic link 21 fixed surface is connected with spring 22, spring 22 other end fixed connection has inlet tube 23, 21 other end swing joint of telescopic link is at 1 inner wall top in the pool wall, a side that cover plate 20 is close to inlet tube 23 is provided with the silica gel pad, spring 22 and 18 are tensile state in the beginning, cover plate 20.
The working principle is as follows: when the reservoir water level reached 5 bottoms of floater and continue the water injection, floater 5 upward movement under the buoyancy to drive stopper 3 extrusion arc pinion rack 7 and shift up, rethread arc pinion rack 7 top elastic frame 9 applys pressure to piezoelectric actuator 10, because the effect of pressure, piezoelectric actuator 10 discharge control water inlet valve is closed, and the cistern stops the water injection.
When the arc pinion rack 7 moved up, because of arc pinion rack 7 upper surface and the meshing of second gear 14, drive the 14 anticlockwise rotations of second gear, the 14 rethread belts of second gear 13 drive first gear 12 and rotate, because first gear 12 meshes with rack plate 17, thereby drive rack plate 17 and remove to inlet tube 23 along the 16 levels of spout, at this moment, the elastic rod 18 is tensile, telescopic link 21 is tensile, the compression of spring 22, 20 surfaces of covering plate and inlet tube 23 extrude each other, 20 surfaces of covering plate silica gel pads extrusion deformation, the cistern surface of water is covered.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (2)
1. The utility model provides an energy-concerving and environment-protective type cistern anti-overflow water installation for hydraulic engineering, includes pool wall (1), its characterized in that: the through hole (2) is formed in the surface of the pool wall (1), the surface of the pool wall (1) is movably connected with a limiting block (3), a steel wire (4) is fixedly connected to the bottom of the limiting block (3), the middle of the limiting block (3) is positioned in the through hole (2), the widths of the top and the bottom of the limiting block (3) are larger than the diameter of the through hole (2), a convex ball column (8) is positioned right above the limiting block (3), the radian of the bottom of the convex ball column (8) is identical to that of the top of the limiting block (3), a floating ball (5) is fixedly connected to the other end of the steel wire (4), a supporting frame (6) is fixedly connected to the surface of the pool wall (1), an arc toothed plate (7) is fixedly connected to the top of the supporting frame (6), a gear at the top of the arc toothed plate (7) is meshed with a second gear (, the improved pool wall comprises an arc toothed plate (7), a convex spherical column (8) is fixedly connected to the bottom of the arc toothed plate (7), an elastic frame (9) is fixedly connected to the top of the arc toothed plate (7), a piezoelectric device (10) is fixedly connected to the top of the elastic frame (9), a water stop plate (11) is fixedly connected to the top of the interior of the pool wall (1), a first gear (12) is movably connected to one side of the water stop plate (11), a belt (13) is movably connected to the side of the first gear (12), a second gear (14) is movably connected to the other end of the belt (13), a fixing plate (15) is fixedly connected to the same side of the first gear (12), a sliding groove (16) is formed in the bottom of the fixing plate (15), a rack plate (17) is movably connected to the sliding groove (16), and an elastic rod (18) is fixedly connected to one, the other end of the elastic rod (18) is fixedly connected with the surface of the covering plate (20), the push rod (19) is positioned in the middle of the covering plate (20), the elastic rod (18) is positioned above the push rod (19), one end of the rack plate (17) far away from the water stop plate (11) is fixedly connected with the push rod (19), the other end of the push rod (19) is fixedly connected with a cover plate (20), the top of the cover plate (20) is movably connected with a telescopic rod (21), the other end of the telescopic rod (21) is movably connected with the top of the inner wall of the pool wall (1), a silica gel pad is arranged on one side surface of the cover plate (20) close to the water inlet pipe (23), the spring (22) and the elastic rod (18) are in a stretching state initially, the cover plate (20) is not attached to the water inlet pipe (23) at the beginning, the surface of the telescopic rod (21) is fixedly connected with a spring (22), and the other end of the spring (22) is fixedly connected with the water inlet pipe (23).
2. The energy-saving and environment-friendly water reservoir anti-overflow device for the hydraulic engineering according to claim 1, is characterized in that: the number of the water stop plates (11) is two, the bottom of the water stop plates (11) is not in contact with the bottom of the inner wall of the pool wall (1), the floating ball (5) is located between the pool wall (1) and the water stop plates (11), and a U-shaped pipe is formed between the part between the two water stop plates (11) and the part between the water stop plates (11) and the pool wall (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010890390.XA CN112049220B (en) | 2020-08-29 | 2020-08-29 | Energy-concerving and environment-protective type cistern anti-overflow water equipment for hydraulic engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010890390.XA CN112049220B (en) | 2020-08-29 | 2020-08-29 | Energy-concerving and environment-protective type cistern anti-overflow water equipment for hydraulic engineering |
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| Publication Number | Publication Date |
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| CN112049220A CN112049220A (en) | 2020-12-08 |
| CN112049220B true CN112049220B (en) | 2021-06-04 |
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| CN202010890390.XA Expired - Fee Related CN112049220B (en) | 2020-08-29 | 2020-08-29 | Energy-concerving and environment-protective type cistern anti-overflow water equipment for hydraulic engineering |
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| CN113323120B (en) * | 2021-06-07 | 2022-08-16 | 河南省水利水电学校 | Energy-concerving and environment-protective type cistern anti-overflow water equipment for hydraulic engineering |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208072608U (en) * | 2018-03-29 | 2018-11-09 | 佛山水业三水供水有限公司 | A kind of anti-spilled cistern |
| CN208379671U (en) * | 2018-06-20 | 2019-01-15 | 桐乡市乌镇内利仿古园林建设有限公司 | Rainwater recycle utilizes system |
| CN208563546U (en) * | 2018-05-08 | 2019-03-01 | 杨建明 | A kind of safety shunting pollution cutting device on city planting ductwork |
| CN208604745U (en) * | 2018-06-22 | 2019-03-15 | 南京永川混凝土有限公司 | A kind of reservoir adjusting water level |
| CN109778983A (en) * | 2019-03-29 | 2019-05-21 | 厦门大学嘉庚学院 | Rainwater-collecting part flow arrangement and its working method |
| CN208950031U (en) * | 2018-10-23 | 2019-06-07 | 黑龙江建筑职业技术学院 | A kind of water permeability asphalt road draining device |
| CN209924076U (en) * | 2019-03-29 | 2020-01-10 | 厦门大学嘉庚学院 | Rainwater collecting and distributing device |
| CN110777920A (en) * | 2019-10-17 | 2020-02-11 | 郑州航空工业管理学院 | Automatic regulation landscape pool with sponge function |
| CN110820672A (en) * | 2019-12-02 | 2020-02-21 | 东阳面世建筑工程有限公司 | Hydraulic engineering device for emergency drainage |
| CN210122752U (en) * | 2019-06-18 | 2020-03-03 | 临沂大学 | Sponge city rainwater reposition of redundant personnel discharging equipment |
| CN111119276A (en) * | 2020-01-17 | 2020-05-08 | 郑州梦铭机械科技有限公司 | Building water storage and flow abandoning device |
| CN210737935U (en) * | 2019-08-13 | 2020-06-12 | 北京第五季生态科技股份有限公司 | Greenhouse rainwater and snow water collecting system |
| CN111576752A (en) * | 2020-06-03 | 2020-08-25 | 福州台江筑途科技有限公司 | Automatic drainage device for roof accumulated water |
-
2020
- 2020-08-29 CN CN202010890390.XA patent/CN112049220B/en not_active Expired - Fee Related
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208072608U (en) * | 2018-03-29 | 2018-11-09 | 佛山水业三水供水有限公司 | A kind of anti-spilled cistern |
| CN208563546U (en) * | 2018-05-08 | 2019-03-01 | 杨建明 | A kind of safety shunting pollution cutting device on city planting ductwork |
| CN208379671U (en) * | 2018-06-20 | 2019-01-15 | 桐乡市乌镇内利仿古园林建设有限公司 | Rainwater recycle utilizes system |
| CN208604745U (en) * | 2018-06-22 | 2019-03-15 | 南京永川混凝土有限公司 | A kind of reservoir adjusting water level |
| CN208950031U (en) * | 2018-10-23 | 2019-06-07 | 黑龙江建筑职业技术学院 | A kind of water permeability asphalt road draining device |
| CN209924076U (en) * | 2019-03-29 | 2020-01-10 | 厦门大学嘉庚学院 | Rainwater collecting and distributing device |
| CN109778983A (en) * | 2019-03-29 | 2019-05-21 | 厦门大学嘉庚学院 | Rainwater-collecting part flow arrangement and its working method |
| CN210122752U (en) * | 2019-06-18 | 2020-03-03 | 临沂大学 | Sponge city rainwater reposition of redundant personnel discharging equipment |
| CN210737935U (en) * | 2019-08-13 | 2020-06-12 | 北京第五季生态科技股份有限公司 | Greenhouse rainwater and snow water collecting system |
| CN110777920A (en) * | 2019-10-17 | 2020-02-11 | 郑州航空工业管理学院 | Automatic regulation landscape pool with sponge function |
| CN110820672A (en) * | 2019-12-02 | 2020-02-21 | 东阳面世建筑工程有限公司 | Hydraulic engineering device for emergency drainage |
| CN111119276A (en) * | 2020-01-17 | 2020-05-08 | 郑州梦铭机械科技有限公司 | Building water storage and flow abandoning device |
| CN111576752A (en) * | 2020-06-03 | 2020-08-25 | 福州台江筑途科技有限公司 | Automatic drainage device for roof accumulated water |
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Effective date of registration: 20210517 Address after: No.1-16, shangjingyuan business room, Yanchi County, Wuzhong City, Ningxia Hui Autonomous Region, 751500 Applicant after: Ningxia Yunda Engineering Construction Co.,Ltd. Address before: 615205 No.11, group 4, Xinlong village, lead zinc Town, Huidong County, Liangshan Yi Autonomous Prefecture, Sichuan Province Applicant before: Luo Yongcai |
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