CN108842729A - A kind of water conservancy gate - Google Patents
A kind of water conservancy gate Download PDFInfo
- Publication number
- CN108842729A CN108842729A CN201810684008.2A CN201810684008A CN108842729A CN 108842729 A CN108842729 A CN 108842729A CN 201810684008 A CN201810684008 A CN 201810684008A CN 108842729 A CN108842729 A CN 108842729A
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- China
- Prior art keywords
- fixed
- gate
- plate
- leak hole
- water conservancy
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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
-
- 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
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
-
- 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
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
- E02B7/36—Elevating mechanisms for vertical-lift gates
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
Abstract
The invention discloses a kind of water conservancy gates,Including fixed frame and gate sheet,The fixed frame top is equipped with Extension support,The Extension support is in square shape,And the Extension support innermost insert has filter screen,Guide slot is equipped with inside the fixed frame,The fixed frame side is equipped with fixed gate plate,Fixed gate plate top is equipped with the first leak hole area,First leak hole area occupies the 1/2 of the fixed gate plate gross area,Fixed gate plate top is equipped with movable gate door-plate,The height of the movable gate door-plate is the 2/3 of fixed frame,And movable gate board bottom portion is equipped with the second leak hole,The quantity and size of second leak hole and the quantity and size of the first leak hole match,This kind of water conservancy gate improves the speed that discharges water to greatest extent when opening a sluice gate and drawing out some water,And the mechanical function of sluice gate itself will not be caused to damage due to soil in water when closing sluice gate,To improve the service life of this kind of water conservancy gate,It is suitble to the use of people.
Description
Technical field
The present invention relates to hydraulic engineering field, specially a kind of water conservancy gate.
Background technique
It is built on river and channel using gate control flow and adjusts the low water head hydraulic structure of water level.Close lock
Door with flood retention, gear tide or can raise upstream water level, to meet irrigation, power generation, shipping, aquatic products, environmental protection, industry and domestic water etc.
It needs；Starting gate can drain off floodwater, excess water, abandon water or waste water, can also be to downstream river course or canal water supply.In water conservancy work
Cheng Zhong, sluice are widely used as water blocking, sluicing or the building of water intaking.
But existing water conservancy gate, fastness is bad, and during use, the silt in water is easy to cause sluice
The mechanical structure rust of door is solid, shortens the service life of water conservancy gate substantially, makes troubles to the use of people, and existing water
Sharp gate cannot effectively be handled water source floating material, can not reach the demand of the satisfaction of people.
So how to design a kind of water conservancy gate, becoming us will currently be solved the problems, such as.
Summary of the invention
The purpose of the present invention is to provide a kind of water conservancy gates, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of water conservancy gate, including fixed frame and gate
Plate, the fixed frame top are equipped with Extension support, and the Extension support is in square shape, and the Extension support innermost insert has filter screen,
It is evenly distributed with filter opening inside the filter screen, guide slot is equipped with inside the fixed frame, the fixed frame side is equipped with fixed lock
Door-plate, fixed gate plate top are equipped with the first leak hole area, and first leak hole area occupies the 1/ of the fixed gate plate gross area
2, fixed gate plate top is equipped with movable gate door-plate, and the height of the movable gate door-plate is the 2/3 of fixed frame, and the work
Dynamic gate sheet bottom is equipped with the second leak hole area, the leak hole of the quantity and size and the first leak hole area of second leak hole area leak hole
Quantity and size match.
Further, movable gate board bottom portion is equipped with a hang plate, and the hang plate side is designed for radian, and institute
The hang plate other side is stated to fit closely with fixed gate plate.
Further, the fixed frame is equipped with Ji Gang in door shape, the fixed frame bottom, and the both ends Ji Gang are equipped with
Vertical orientation fixes thick stick, and the fixed thick stick of the vertical orientation is closely welded and fixed with Ji Gang.
Further, the fixed frame two sides are equipped with the fixed thick stick of vertical orientation, and the fixed thick stick of the vertical orientation is interior empty shape,
The movable gate door-plate on both sides of the middle is equipped with extension block, and the extension block insertion vertical orientation is fixed among thick stick, described vertical fixed
It is equipped with hydraulic cylinder to fixed thick stick bottom, the hydraulic cylinder bottom is closely welded and fixed with the fixed thick stick bottom of vertical orientation, the liquid
Extending cylinder is equipped at the top of cylinder pressure, the extending cylinder top is closely welded and fixed with extension block.
Further, limited block, the limited block both ends and the fixed thick stick inner wall of vertical orientation are equipped in the middle part of the extending cylinder
Closely it is welded and fixed.
Further, it is uniformly equipped with embedded fixed link on the outside of the fixed thick stick of the vertical orientation, and described embedded solid
The quantity of fixed pole is not less than 6.
Compared with prior art, the beneficial effects of the invention are as follows：
1. the water conservancy gate, movable gate board bottom portion is equipped with a hang plate, and hang plate side is designed for radian, and hang plate is another
Side is fitted closely with fixed gate plate so that this kind of water conservancy gate close when, can be clear by the dirt on fixed gate plate
Except clean, to not influence the use of the water conservancy gate, indirect extends the service life of the water conservancy gate.
2. the water conservancy gate, for fixed frame in door shape, fixed frame bottom is equipped with Ji Gang, and the both ends Ji Gang are equipped with vertical orientation
Fixed thick stick, the fixed thick stick of vertical orientation are closely welded and fixed with Ji Gang, so that this kind of water conservancy gate is to open from top to bottom, avoid mud
Sand enters in water conservancy gate internal interstices when water conservancy gate operates, to guarantee the positive production running of gate, keeps away to greatest extent
Exempt from water conservancy gate failure, and keeps the overall structure of the water conservancy gate stronger.
3. the water conservancy gate, fixed frame two sides are equipped with the fixed thick stick of vertical orientation, and the fixed thick stick of vertical orientation is interior empty shape, activity
Gate sheet on both sides of the middle is equipped with extension block, and extension block is embedded among the fixed thick stick of vertical orientation, and the fixed thick stick bottom of vertical orientation is equipped with
Hydraulic cylinder, hydraulic cylinder bottom are closely welded and fixed with the fixed thick stick bottom of vertical orientation, and extending cylinder, extending cylinder are equipped at the top of hydraulic cylinder
Top is closely welded and fixed with extension block, so that this kind of water conservancy gate stress point in running concentrates on bottom, so that water conservancy lock
The structure of door is more rationally closed securely, and makes movable gate door-plate two sides uniform stressed, to extend making for this kind of water conservancy gate
Use the service life.
4. the water conservancy gate, extending cylinder middle part is equipped with limited block, and limited block both ends and the fixed thick stick inner wall of vertical orientation are close
It is welded and fixed, so that movable gate door-plate is when moving down movement, it can be by the leak hole of the leak hole in the first leak hole area and the second leak hole area
It matches, so that the water yield of this kind of water conservancy gate is significantly promoted.
5. the water conservancy gate, fixed frame top is equipped with Extension support, and Extension support is in square shape, and Extension support innermost insert had
Strainer, Extension support are closely welded and fixed with fixed frame, so that this kind of water conservancy gate can effectively stop water during use
The outflow of upper floating material to guarantee the quality at water source, and facilitates processing of the people to over-water floats.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is back structures schematic diagram of the invention；
Fig. 3 is movable gate door panel structure schematic diagram of the invention；
Fig. 4 is schematic diagram of internal structure of the invention.
In figure：1- fixed frame；2- Extension support；3- filter screen；4- movable gate door-plate；5- fixed gate plate；6- filter opening；7-
One leak hole area, the second leak hole of 8- area；9- guide slot；10- hang plate；11- Ji Gang；12- hydraulic cylinder；13- extension block；14- limit
Block；15- vertical orientation fixes thick stick；16- extending cylinder.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one,
Fig. 1-4, a kind of water conservancy gate, including fixed frame 1 and gate sheet 6 are please referred to, 1 top of fixed frame is equipped with Extension support 2,
The Extension support 2 is in square shape, and 2 innermost insert of the Extension support has filter screen 3, is evenly distributed with filter inside the filter screen 3
Hole 6, guide slot 9 is equipped with inside the fixed frame 1, and 1 side of fixed frame is equipped with fixed gate plate 5, the fixed gate plate 5
Top is equipped with the first leak hole area 7, and first leak hole area 7 occupies the 1/2 of 5 gross area of fixed gate plate, the fixed gate plate 5
Top is equipped with movable gate door-plate 4, and the height of the movable gate door-plate 4 is the 2/3 of fixed frame 1, and 4 bottom of movable gate door-plate
Equipped with the second leak hole area 8, the quantity of the leak hole 8 of the quantity and size and the first leak hole area of second leak hole area leak hole 8 and big
It is small to match.
Embodiment two,
A kind of water conservancy gate, including fixed frame 1 and gate sheet 6,1 top of fixed frame are equipped with Extension support 2, the Extension support 2
In square shape, and 2 innermost insert of the Extension support has filter screen 3, and filter opening 6, the fixation are evenly distributed with inside the filter screen 3
Guide slot 9 is equipped with inside frame 1,1 side of fixed frame is equipped with fixed gate plate 5, and 5 top of fixed gate plate is equipped with first
Leak hole area 7, first leak hole area 7 occupy the 1/2 of 5 gross area of fixed gate plate, and 5 top of fixed gate plate is equipped with activity
Gate sheet 4, the height of the movable gate door-plate 4 is the 2/3 of fixed frame 1, and 4 bottom of movable gate door-plate is equipped with the second leak hole
Area 8, the quantity and size of second leak hole area leak hole 8 and the quantity and size of the leak hole 8 in the first leak hole area match.
Further, 4 bottom of movable gate door-plate is equipped with a hang plate 10, and 10 side of hang plate sets for radian
Meter, and 10 other side of the hang plate is fitted closely with fixed gate plate 5.
Embodiment three,
A kind of water conservancy gate, including fixed frame 1 and gate sheet 6,1 top of fixed frame are equipped with Extension support 2, the Extension support 2
In square shape, and 2 innermost insert of the Extension support has filter screen 3, and filter opening 6, the fixation are evenly distributed with inside the filter screen 3
Guide slot 9 is equipped with inside frame 1,1 side of fixed frame is equipped with fixed gate plate 5, and 5 top of fixed gate plate is equipped with first
Leak hole area 7, first leak hole area 7 occupy the 1/2 of 5 gross area of fixed gate plate, and 5 top of fixed gate plate is equipped with activity
Gate sheet 4, the height of the movable gate door-plate 4 is the 2/3 of fixed frame 1, and 4 bottom of movable gate door-plate is equipped with the second leak hole
Area 8, the quantity and size of second leak hole area leak hole 8 and the quantity and size of the leak hole 8 in the first leak hole area match.
Further, the fixed frame 1 is equipped with base thick stick 11,11 liang of the base thick stick in door shape, 1 bottom of fixed frame
End is equipped with the fixed thick stick 15 of vertical orientation, and the fixed thick stick 15 of the vertical orientation is closely welded and fixed with base thick stick 11.
Example IV,
A kind of water conservancy gate, including fixed frame 1 and gate sheet 6,1 top of fixed frame are equipped with Extension support 2, the Extension support 2
In square shape, and 2 innermost insert of the Extension support has filter screen 3, and filter opening 6, the fixation are evenly distributed with inside the filter screen 3
Guide slot 9 is equipped with inside frame 1,1 side of fixed frame is equipped with fixed gate plate 5, and 5 top of fixed gate plate is equipped with first
Leak hole area 7, first leak hole area 7 occupy the 1/2 of 5 gross area of fixed gate plate, and 5 top of fixed gate plate is equipped with activity
Gate sheet 4, the height of the movable gate door-plate 4 is the 2/3 of fixed frame 1, and 4 bottom of movable gate door-plate is equipped with the second leak hole
Area 8, the quantity and size of second leak hole area leak hole 8 and the quantity and size of the leak hole 8 in the first leak hole area match.
Further, 1 two sides of fixed frame are equipped with the fixed thick stick 15 of vertical orientation, and the fixed thick stick 15 of the vertical orientation is interior
Empty shape, 4 on both sides of the middle of movable gate door-plate are equipped with extension block 13, the extension block 13 be embedded in the fixed thick stick 15 of vertical orientation it
In, fixed 15 bottom of thick stick of the vertical orientation is equipped with hydraulic cylinder 12,12 bottom of hydraulic cylinder and fixed 15 bottom of thick stick of vertical orientation
Portion is closely welded and fixed, and extending cylinder 16 is equipped at the top of the hydraulic cylinder 12, and 16 top of extending cylinder and extension block 13 closely weld
Connect fixation.
Embodiment five,
A kind of water conservancy gate, including fixed frame 1 and gate sheet 6,1 top of fixed frame are equipped with Extension support 2, the Extension support 2
In square shape, and 2 innermost insert of the Extension support has filter screen 3, and filter opening 6, the fixation are evenly distributed with inside the filter screen 3
Guide slot 9 is equipped with inside frame 1,1 side of fixed frame is equipped with fixed gate plate 5, and 5 top of fixed gate plate is equipped with first
Leak hole area 7, first leak hole area 7 occupy the 1/2 of 5 gross area of fixed gate plate, and 5 top of fixed gate plate is equipped with activity
Gate sheet 4, the height of the movable gate door-plate 4 is the 2/3 of fixed frame 1, and 4 bottom of movable gate door-plate is equipped with the second leak hole
Area 8, the quantity and size of second leak hole area leak hole 8 and the quantity and size of the leak hole 8 in the first leak hole area match.
Further, limited block 14 is equipped in the middle part of the extending cylinder 16,14 both ends of limited block are fixed with vertical orientation
15 inner wall of thick stick is closely welded and fixed.
Embodiment six,
A kind of water conservancy gate, including fixed frame 1 and gate sheet 6,1 top of fixed frame are equipped with Extension support 2, the Extension support 2
In square shape, and 2 innermost insert of the Extension support has filter screen 3, and filter opening 6, the fixation are evenly distributed with inside the filter screen 3
Guide slot 9 is equipped with inside frame 1,1 side of fixed frame is equipped with fixed gate plate 5, and 5 top of fixed gate plate is equipped with first
Leak hole area 7, first leak hole area 7 occupy the 1/2 of 5 gross area of fixed gate plate, and 5 top of fixed gate plate is equipped with activity
Gate sheet 4, the height of the movable gate door-plate 4 is the 2/3 of fixed frame 1, and 4 bottom of movable gate door-plate is equipped with the second leak hole
Area 8, the quantity and size of second leak hole area leak hole 8 and the quantity and size of the leak hole 8 in the first leak hole area match.
Further, fixed 15 outside of thick stick of the vertical orientation is uniformly equipped with embedded fixed link, and described embedded
The quantity of fixed link is not less than 6.
Working principle：The water conservancy gate is fixed at dykes and dams first, when needing to open a sluice gate and draw out some water, need to only start hydraulic cylinder
12, make the reduction of extending cylinder 16, at this point, limited block 14 can control the height of hydraulic cylinder 12, so that the leakage in the first leak hole area 7
The leak hole relativity in hole and the second leak hole area 8, so that water sprays from reduced movable gate door-plate 4 and leak hole, and water conservancy
The filter screen 3 on gate top effectively can effectively stop over-water floats.The water conservancy gate, 4 bottom of movable gate door-plate
Portion is equipped with a hang plate 10, and 10 side of hang plate is designed for radian, and 10 other side of hang plate is closely pasted with 5 plate of fixed gate
It closes, so that this kind of water conservancy gate when closing, can remove the dirt on fixed gate plate completely, to not influence the water
The use of sharp gate, indirect extend the service life of the water conservancy gate.The water conservancy gate, fixed frame 1 in fall door shape, Gu
1 bottom of frame is determined equipped with base thick stick 11, and 11 both ends of base thick stick are equipped with the fixed thick stick 15 of vertical orientation, and the fixed thick stick 15 of vertical orientation and base thick stick 11 are tight
It is close to be welded and fixed, so that this kind of water conservancy gate is to open from top to bottom, silt is avoided to enter water conservancy lock in water conservancy gate running
In door internal interstices, to guarantee the positive production running of gate, water conservancy gate failure is avoided to greatest extent, and make the water conservancy gate
Overall structure it is stronger.The water conservancy gate, 1 two sides of fixed frame are equipped with the fixed thick stick 15 of vertical orientation, the fixed thick stick of vertical orientation
15 be interior empty shape, and 4 on both sides of the middle of movable gate door-plate is equipped with extension block 13, and extension block 13 is embedded among the fixed thick stick 15 of vertical orientation,
Fixed 15 bottom of thick stick of vertical orientation is equipped with hydraulic cylinder 12, and 12 bottom of hydraulic cylinder and fixed 15 bottom of thick stick of vertical orientation are closely welded solid
It is fixed, extending cylinder 16 is equipped at the top of hydraulic cylinder 12,16 top of extending cylinder is closely welded and fixed with extension block 13, so that this kind of water conservancy lock
Door stress point in running concentrates on bottom, so that the structure of water conservancy gate is more rationally closed securely, and makes movable gate door-plate
Two sides uniform stressed, to extend the service life of this kind of water conservancy gate.The water conservancy gate is equipped with limited block in the middle part of extending cylinder 16
14,14 both ends of limited block are fixed 15 thick stick inner walls with vertical orientation and are closely welded and fixed, so that movable gate door-plate is moving down movement
When, the leak hole in the first leak hole area 7 can be matched with the leak hole in the second leak hole area 8, so that the water outlet of this kind of water conservancy gate
It measures and is significantly promoted.The water conservancy gate, 1 top of fixed frame are equipped with Extension support 2, and Extension support 2 is in square shape, and Extension support 2
Innermost insert has filter screen 3, and Extension support 2 is closely welded and fixed with fixed frame 1, so that this kind of water conservancy gate is during use
The outflow of over-water floats can be effectively stopped, to guarantee the quality at water source, and facilitate processing of the people to over-water floats.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of water conservancy gate, including fixed frame（1）And gate sheet（6）, the fixed frame（1）Top is equipped with Extension support（2）, institute
State Extension support（2）In square shape, and the Extension support（2）Innermost insert has filter screen（3）, the filter screen（3）It is internal uniform
It is furnished with filter opening（6）, the fixed frame（1）Inside is equipped with guide slot（9）, the fixed frame（1）Side is equipped with fixed gate plate
（5）, the fixed gate plate（5）Top is equipped with the first leak hole area（7）, first leak hole area（7）Occupy fixed gate plate（5）
The 1/2 of the gross area, the fixed gate plate（5）Top is equipped with movable gate door-plate（4）, the movable gate door-plate（4）Height be
Fixed frame（1）2/3, and the movable gate door-plate（4）Bottom is equipped with the second leak hole area（8）, second leak hole area leak hole（8）
Quantity and size and the first leak hole area leak hole（8）Quantity and size match.
2. a kind of water conservancy gate according to claim 1, it is characterised in that：The movable gate door-plate（4）Bottom is equipped with one
Hang plate（10）, the hang plate（10）Side is designed for radian, and the hang plate（10）The other side and fixed gate plate（5）
It fits closely.
3. a kind of water conservancy gate according to claim 1, it is characterised in that：The fixed frame（1）It is described in door shape
Fixed frame（1）Bottom is equipped with Ji Gang（11）, the Ji Gang（11）Both ends are equipped with the fixed thick stick of vertical orientation（15）, the vertical orientation
Fixed thick stick（15）With Ji Gang（11）Closely it is welded and fixed.
4. a kind of water conservancy gate according to claim 1, it is characterised in that：The fixed frame（1）Two sides are equipped with vertical fixed
To fixed thick stick（15）, the fixed thick stick of the vertical orientation（15）For interior empty shape, the movable gate door-plate（4）On both sides of the middle, which is equipped with, to be extended
Block（13）, the extension block（13）It is embedded in the fixed thick stick of vertical orientation（15）Among, the fixed thick stick of the vertical orientation（15）Bottom is set
There is hydraulic cylinder（12）, the hydraulic cylinder（12）Bottom and the fixed thick stick of vertical orientation（15）Bottom is closely welded and fixed, described hydraulic
Cylinder（12）Top is equipped with extending cylinder（16）, the extending cylinder（16）Top and extension block（13）Closely it is welded and fixed.
5. a kind of water conservancy gate according to claim 1, it is characterised in that：The extending cylinder（16）Middle part is equipped with limited block
（14）, the limited block（14）Both ends and the fixed thick stick of vertical orientation（15）Inner wall is closely welded and fixed.
6. a kind of water conservancy gate according to claim 1, it is characterised in that：The fixed thick stick of the vertical orientation（15）Outside is equal
Even is equipped with embedded fixed link, and the quantity of the embedded fixed link is not less than 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810684008.2A CN108842729A (en) | 2018-06-28 | 2018-06-28 | A kind of water conservancy gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810684008.2A CN108842729A (en) | 2018-06-28 | 2018-06-28 | A kind of water conservancy gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108842729A true CN108842729A (en) | 2018-11-20 |
Family
ID=64200135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810684008.2A Pending CN108842729A (en) | 2018-06-28 | 2018-06-28 | A kind of water conservancy gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108842729A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700197A (en) * | 2019-10-23 | 2020-01-17 | 许昌义 | Porous gate |
| CN111424617A (en) * | 2020-04-22 | 2020-07-17 | 北京双泰晟建筑工程有限公司 | Water sluicegate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100749721B1 (en) * | 2006-04-24 | 2007-08-21 | 한상관 | Sliding automatic beam floodgate for bulk storage |
| CN204163064U (en) * | 2014-10-27 | 2015-02-18 | 苏州科技学院 | A kind of adjustable agricultural ecological irrigation canals and ditches cut-off dam |
| CN206646460U (en) * | 2017-04-17 | 2017-11-17 | 北京北排装备产业有限公司 | A kind of multifunctional self-regulating weir gate |
-
2018
- 2018-06-28 CN CN201810684008.2A patent/CN108842729A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100749721B1 (en) * | 2006-04-24 | 2007-08-21 | 한상관 | Sliding automatic beam floodgate for bulk storage |
| CN204163064U (en) * | 2014-10-27 | 2015-02-18 | 苏州科技学院 | A kind of adjustable agricultural ecological irrigation canals and ditches cut-off dam |
| CN206646460U (en) * | 2017-04-17 | 2017-11-17 | 北京北排装备产业有限公司 | A kind of multifunctional self-regulating weir gate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700197A (en) * | 2019-10-23 | 2020-01-17 | 许昌义 | Porous gate |
| CN111424617A (en) * | 2020-04-22 | 2020-07-17 | 北京双泰晟建筑工程有限公司 | Water sluicegate |
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Application publication date: 20181120 |