CN108797529A - A kind of hydraulic engineering gate water purification exclusion device - Google Patents
A kind of hydraulic engineering gate water purification exclusion device Download PDFInfo
- Publication number
- CN108797529A CN108797529A CN201810669482.8A CN201810669482A CN108797529A CN 108797529 A CN108797529 A CN 108797529A CN 201810669482 A CN201810669482 A CN 201810669482A CN 108797529 A CN108797529 A CN 108797529A
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- CN
- China
- Prior art keywords
- filter frame
- fixed filter
- hydraulic cylinder
- frame
- dodge gate
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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
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of hydraulic engineering gate water purification exclusion devices,Including braced frame,First hydraulic cylinder,Isolating door,The isolating door is set to the middle part of braced frame,The both sides of isolating door are connect with braced frame,The first hydraulic cylinder is set between isolating door and braced frame,The upper end of first hydraulic cylinder and the upper center of braced frame connect,First hydraulic cylinder and the upper center of isolating door connect,The side of the isolating door is equipped with fixed filter frame,Fixed filter frame is equipped with water inlet close to the side of isolating door,Side of the fixed filter frame far from isolating door is equipped with water outlet,The water outlet is equipped with dodge gate,The dodge gate is connect with fixed filter frame,It is connected to opening and closing device on the dodge gate,The opening and closing device is connect with fixed filter frame,The lower end of fixed filter frame is connect with braced frame,The lower end of fixed filter frame is equipped with second hydraulic cylinder,The lower end of the second hydraulic cylinder is connect with braced frame,The upper end of second hydraulic cylinder is connect with fixed filter frame.
Description
Technical field
The present invention relates to water conservancy impurity removing technology field, specially a kind of hydraulic engineering gate water purification exclusion device.
Background technology
Hydraulic engineering is equipped with water dam, to achieve the purpose that flood control, irrigation.Due to being that flow flows at water dam
The only way which must be passed in downstream, therefore often assemble a large amount of rubbish herein, under these rubbish can be flowed into when opening a sluice gate by gate
It flowing in river, downstream river is polluted, the mode that the rubbish at gate is mainly manually salvaged at present is less efficient, than
It is relatively hazardous, and cost of labor is higher.
Invention content
The purpose of the present invention is to provide a kind of hydraulic engineering gate water purification exclusion devices, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions：
A kind of hydraulic engineering gate water purification exclusion device, including braced frame, first hydraulic cylinder, isolating door, the isolating door are set
In the middle part of braced frame, the both sides of isolating door are connect with braced frame, and the first hydraulic cylinder is set to isolating door and support frame
Between frame, the upper end of first hydraulic cylinder and the upper center of braced frame connect, the upper center of first hydraulic cylinder and isolating door
The side of connection, the isolating door is equipped with fixed filter frame, and fixed filter frame is equipped with water inlet, fixed filter frame close to the side of isolating door
Side far from isolating door is equipped with water outlet, and the water outlet is equipped with dodge gate, and the dodge gate is connect with fixed filter frame, institute
It states and is connected to opening and closing device on dodge gate, the opening and closing device is connect with fixed filter frame, the lower end of fixed filter frame and braced frame
The lower end of connection, fixed filter frame is equipped with second hydraulic cylinder, and the lower end of the second hydraulic cylinder is connect with braced frame, the second hydraulic pressure
The upper end of cylinder is connect with fixed filter frame.
Preferably, the lower end both sides of the braced frame are equipped with supporting rod, and the supporting rod is vertical with braced frame to be connected
It connects, fixed filter frame is set on two supporting rods, and one of supporting rod is connect with fixed filter frame by shaft, is supported under filter frame
End is intermediate to be equipped with bottom bar, and the middle part of the bottom bar is equipped with support plate, and the support plate is set to homonymy with fixed filter frame,
The lower end of second hydraulic cylinder is connect with support plate.
Preferably, the fixed filter frame is engraved structure, and fixed filter frame is made of metal material, and fixed filter frame includes frame
The lower end middle part of body, the framework is equipped with bottom plate, and the upper end of second hydraulic cylinder is connect with bottom plate.
Preferably, the side of the water outlet is equipped with upper mounted plate, bottom plate, and upper mounted plate, bottom plate are set respectively
In the upper/lower terminal of framework, upper end and the upper mounted plate of the dodge gate coordinate, and lower end and the bottom plate of dodge gate coordinate.
Preferably, the side of the water outlet is equipped with limiting plate, and the dodge gate is equipped with top plate, and top plate is matched with limiting plate
It closes.
Preferably, the opening and closing device includes crank, threaded rod, and one end and the dodge gate of the threaded rod are rotatablely connected,
The other end of the crank and threaded rod connects, and threaded rod is connect by fixed block with framework.
Preferably, the dodge gate is equipped with connecting plate, and the connecting plate is equipped with rotary head, and the end of the threaded rod is set
In in rotary head.
Preferably, the dodge gate is platy structure, and multiple filter openings are uniformly provided on dodge gate.
Compared with prior art, the beneficial effects of the invention are as follows：
1. the hydraulic engineering gate water purification exclusion device, the side of the isolating door is equipped with fixed filter frame, fixed filter frame close to every
Side from door is equipped with water inlet, realizes the interception to rubbish in river water by fixed filter frame, avoids rubbish to down-flow water
Matter pollutes, while facilitating cleaning of the staff to rubbish, eliminates garbage collection time, improves work efficiency.
2. the lower end of the hydraulic engineering gate water purification exclusion device, fixed filter frame is connect with braced frame, fixed filter frame
Lower end is equipped with second hydraulic cylinder, and the lower end of the second hydraulic cylinder is connect with braced frame, the upper end of second hydraulic cylinder and fixation
Filter frame connects, and can be overturn fixed filter frame by second hydraulic cylinder, salvaging of more convenient staff to rubbish is kept away
Exempt to salvage danger, has made salvaging more convenient, rapid.
3. the hydraulic engineering gate water purification exclusion device, the fixed filter frame is engraved structure, and fixed filter frame is by metal
Material is made, not only sound construction, but also can play the role of filtering, interception, and catharsis is played to river water.
4. the hydraulic engineering gate water purification exclusion device, one end and the dodge gate of the threaded rod are rotatablely connected, described to shake
The other end with threaded rod is connect, threaded rod is connect by fixed block with framework, and dodge gate can be realized by rotating crank
Keying, prevent fixed filter frame from being intercepted to fish, protect the ecological balance.
5. the hydraulic engineering gate water purification exclusion device, dodge gate is equipped with connecting plate, and the connecting plate is equipped with rotary head,
The end of the threaded rod is set in rotary head, not only ensure that the normal rotation of threaded rod, but also threaded rod is allowed to play dodge gate
To the effect being fixedly connected.
Description of the drawings
Attached drawing 1 is the front view of the present invention；
Attached drawing 2 is the vertical view of the present invention；
Attached drawing 3 is the upward view of the present invention；
Attached drawing 4 is the rearview of the present invention；
Attached drawing 5 is the axonometric drawing of the present invention.
In figure, 1- braced frames；101- supporting rods；2- first hydraulic cylinders；3- isolating doors；4- bottom bars；401- is supported
Plate；5- opening and closing devices；501- cranks；502- threaded rods；6- fixes filter frame；601- water inlets；602- frameworks；603- limiting plates；
604- upper mounted plates；605- fixed blocks；606- bottom plates；607- bottom plates；7- second hydraulic cylinders；8- dodge gates；801- is pushed up
Plate；802- connecting plates；803- rotary heads；9- shafts.
Specific implementation mode
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 describes, 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.
It please refers to Fig.1 shown in -5, a kind of hydraulic engineering gate water purification exclusion device of the present embodiment, including braced frame 1,
First hydraulic cylinder 2, isolating door 3, the isolating door 3 are set to the middle part of braced frame 1, and both sides and the braced frame 1 of isolating door 3 connect
It connects, the first hydraulic cylinder 2 is set between isolating door 3 and braced frame 1, and the upper end of first hydraulic cylinder 2 is upper with braced frame 1
The connection of end middle part, first hydraulic cylinder 2 are connect with the upper center of isolating door 3, and the side of the isolating door 3 is equipped with fixed filter frame 6,
Fixed filter frame 6 is equipped with water inlet 601 close to the side of isolating door 3, and side of the fixed filter frame 6 far from isolating door 3 is equipped with water outlet,
The water outlet is equipped with dodge gate 8, and the dodge gate 8 is connect with fixed filter frame 6, and opening and closing dress is connected on the dodge gate 8
5 are set, the opening and closing device 5 is connect with fixed filter frame 6, and the lower end of fixed filter frame 6 is connect with braced frame 1, under fixed filter frame 6
End is equipped with second hydraulic cylinder 7, and the lower end of the second hydraulic cylinder 7 connect with braced frame 1, the upper end of second hydraulic cylinder 7 and consolidates
Determine the connection of filter frame 1.
In the present embodiment, the lower end both sides of the braced frame 1 are equipped with supporting rod 101, the supporting rod 101 and branch
1 vertical connection of support frame frame, fixed filter frame 6 are set on two supporting rods 101, and one of supporting rod 101 passes through with fixed filter frame 6
Shaft 9 connects, and supports and is equipped with bottom bar 4 among the lower end of filter frame 1, and the middle part of the bottom bar 4 is equipped with support plate 401,
The support plate 401 is set to homonymy with fixed filter frame 1, and the lower end of second hydraulic cylinder 7 is connect with support plate 401.
In the present embodiment, the fixed filter frame 6 is engraved structure, and fixed filter frame 6 is made of metal material, fixed filter
Frame 6 includes framework 602, and bottom plate 606 is equipped in the middle part of the lower end of the framework 602, and upper end and the bottom plate 606 of second hydraulic cylinder 7 connect
It connects.
In the present embodiment, the side of the water outlet be equipped with upper mounted plate 604, bottom plate 607, upper mounted plate 604,
Bottom plate 607 is respectively arranged on the upper/lower terminal of framework 602, and upper end and the upper mounted plate 604 of the dodge gate 8 coordinate, activity
The lower end of door 8 coordinates with bottom plate 607.
In the present embodiment, the side of the water outlet is equipped with limiting plate 603, and the dodge gate 8 is equipped with top plate 801,
Top plate 801 coordinates with limiting plate 603.
In the present embodiment, the opening and closing device 5 include crank 501, threaded rod 502, one end of the threaded rod 502 with
Dodge gate 8 is rotatablely connected, and the crank 501 is connect with the other end of threaded rod 502, and threaded rod 502 passes through fixed block 605 and frame
Body 602 connects.
In the present embodiment, the dodge gate 8 is equipped with connecting plate 802, and the connecting plate 802 is equipped with rotary head 803, institute
The end for stating threaded rod 502 is set in rotary head 803.
In the present embodiment, the dodge gate 8 is platy structure, and multiple filter openings are uniformly provided on dodge gate 8.
Operation principle：When carrying out rubbish cleaning, isolating door 3 is opened by first hydraulic cylinder 2, under the action of flow,
Rubbish in water can enter in fixed filter frame 6, and rubbish is fixed the interception of filter frame 6, after collection, close isolating door 3, by the
Two hydraulic cylinders 7 carry out fixed filter frame 6 to rotate to side, and staff can clear up rubbish, then pass through second
Hydraulic cylinder 7 resets fixed filter frame 6,, can be by opening and closing device 5 by dodge gate 8 when needing to discharge water after rubbish cleans out
It opens, avoids fish intercepted, ensure the ecological balance.The hydraulic engineering gate water purification exclusion device, the side of the isolating door 3
Equipped with fixed filter frame 6, fixed filter frame 6 is equipped with water inlet 601 close to the side of isolating door 3, is realized to river by fixed filter frame
The interception of rubbish in flowing water avoids rubbish from polluting the water quality that flows down, while facilitating cleaning of the staff to rubbish, saves
Garbage collection time has been removed, has been improved work efficiency.The hydraulic engineering gate water purification exclusion device, the lower end of fixed filter frame 6 with
Braced frame 1 connects, and the lower end of fixed filter frame 6 is equipped with second hydraulic cylinder 7, lower end and the braced frame 1 of the second hydraulic cylinder 7
Connection, the upper end of second hydraulic cylinder 7 are connect with fixed filter frame 1, can be overturn fixed filter frame 6 by second hydraulic cylinder 7,
Salvaging of more convenient staff to rubbish avoids salvaging danger, makes salvaging more convenient, rapid.The hydraulic engineering lock
Door water purification exclusion device, the fixed filter frame 6 are engraved structure, and fixed filter frame 6 is made of metal material, not only structure jail
Gu and filtering, interception can be played the role of, catharsis is played to river water.The hydraulic engineering gate water purification exclusion device,
One end of the threaded rod 502 is rotatablely connected with dodge gate 8, and the crank 501 is connect with the other end of threaded rod 502, screw thread
Bar 502 is connect by fixed block 605 with framework 602, can be realized the keying of dodge gate 8 by rotating crank 501, be prevented from fixing
Filter frame 6 intercepts fish, protects the ecological balance.The hydraulic engineering gate water purification exclusion device, dodge gate 8 are equipped with connecting plate
802, the connecting plate 802 is equipped with rotary head 803, and the end of the threaded rod 502 is set in rotary head 803, not only ensure that spiral shell
The normal rotation of rasp bar 502, and threaded rod 502 is allowed to play the role of being fixedly connected to dodge gate 8.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (9)
1. a kind of hydraulic engineering gate water purification exclusion device, including braced frame（1）, first hydraulic cylinder（2）, isolating door（3）, institute
State isolating door（3）Set on braced frame（1）Middle part, isolating door（3）Both sides and braced frame（1）Connection, first liquid
Cylinder pressure（2）Set on isolating door（3）With braced frame（1）Between, first hydraulic cylinder（2）Upper end and braced frame（1）Upper end
Middle part connects, first hydraulic cylinder（2）With isolating door（3）Upper center connection, it is characterised in that：The isolating door（3）One
Side is equipped with fixed filter frame（6）, fixed filter frame（6）Close to isolating door（3）Side be equipped with water inlet（601）, fixed filter frame（6）Far
From isolating door（3）Side be equipped with water outlet, the water outlet be equipped with dodge gate（8）, the dodge gate（8）With fixed filter frame
（6）Connection, the dodge gate（8）On be connected to opening and closing device（5）, the opening and closing device（5）With fixed filter frame（6）Connection, Gu
Determine filter frame（6）Lower end and braced frame（1）Connection, fixed filter frame（6）Lower end be equipped with second hydraulic cylinder（7）, described second
Hydraulic cylinder（7）Lower end and braced frame（1）Connection, second hydraulic cylinder（7）Upper end and fixed filter frame（1）Connection.
2. a kind of hydraulic engineering gate water purification exclusion device according to claim 1, it is characterised in that：The braced frame
（1）Lower end both sides be equipped with supporting rod（101）, the supporting rod（101）With braced frame（1）Vertical connection, fixed filter frame
（6）Set on two supporting rods（101）On, one of supporting rod（101）With fixed filter frame（6）Pass through shaft（9）Connection, support
Filter frame（1）Lower end among be equipped with bottom bar（4）, the bottom bar（4）Middle part be equipped with support plate（401）, the branch
Fagging（401）With fixed filter frame（1）Set on homonymy, second hydraulic cylinder（7）Lower end and support plate（401）Connection.
3. a kind of hydraulic engineering gate water purification exclusion device according to claim 2, it is characterised in that：The fixed filter frame
（6）For engraved structure, fixed filter frame（6）It is made of metal material, fixed filter frame（6）Including framework（602）, the framework
（602）Lower end in the middle part of be equipped with bottom plate（606）, second hydraulic cylinder（7）Upper end and bottom plate（606）Connection.
4. a kind of hydraulic engineering gate water purification exclusion device according to claim 3, it is characterised in that：The water outlet
Side is equipped with upper mounted plate（604）, bottom plate（607）, upper mounted plate（604）, bottom plate（607）It is respectively arranged on framework
（602）Upper/lower terminal, the dodge gate（8）Upper end and upper mounted plate（604）Cooperation, dodge gate（8）Lower end with it is lower solid
Fixed board（607）Cooperation.
5. a kind of hydraulic engineering gate water purification exclusion device according to claim 4, it is characterised in that：The water outlet
Side be equipped with limiting plate（603）, the dodge gate（8）It is equipped with top plate（801）, top plate（801）With limiting plate（603）Match
It closes.
6. a kind of hydraulic engineering gate water purification exclusion device according to claim 5, it is characterised in that：The opening and closing device
（5）Including crank（501）, threaded rod（502）, the threaded rod（502）One end and dodge gate（8）Rotation connection, it is described to shake
?（501）With threaded rod（502）The other end connection, threaded rod（502）Pass through fixed block（605）With framework（602）Connection.
7. a kind of hydraulic engineering gate water purification exclusion device according to claim 1-6, it is characterised in that：The dodge gate
（8）It is equipped with connecting plate（802）, the connecting plate（802）It is equipped with rotary head（803）, the threaded rod（502）End be set to
Rotary head（803）It is interior.
8. a kind of hydraulic engineering gate water purification exclusion device according to claim 1-7, it is characterised in that：The dodge gate
（8）For platy structure, dodge gate（8）On be uniformly provided with multiple filter openings.
9. a kind of hydraulic engineering gate water purification impurity-removing method, it is characterised in that：When carrying out rubbish cleaning, pass through first hydraulic cylinder
2 open isolating door 3, and under the action of flow, the rubbish in water can enter in fixed filter frame 6, and rubbish is fixed the interception of filter frame 6,
After collection, isolating door 3 is closed, fixed filter frame 6 rotate to side by second hydraulic cylinder 7, staff can be with
Rubbish is cleared up, is then being resetted fixed filter frame 6 by second hydraulic cylinder 7, after rubbish cleans out, when needs discharge water
When, dodge gate 8 can be opened by opening and closing device 5, avoids fish intercepted, ensure the ecological balance.The hydraulic engineering gate
Water purification exclusion device, the side of the isolating door 3 are equipped with fixed filter frame 6, fixed filter frame 6 close to the side of isolating door 3 be equipped with into
The mouth of a river 601 realizes the interception to rubbish in river water by fixed filter frame, avoids rubbish from polluting the water quality that flows down, together
When facilitate cleaning of the staff to rubbish, eliminate garbage collection time, improve work efficiency.The hydraulic engineering gate
The lower end of water purification exclusion device, fixed filter frame 6 is connect with braced frame 1, and the lower end of fixed filter frame 6 is equipped with second hydraulic cylinder 7, institute
The lower end for stating second hydraulic cylinder 7 is connect with braced frame 1, and the upper end of second hydraulic cylinder 7 is connect with fixed filter frame 1, passes through second
Hydraulic cylinder 7 can overturn fixed filter frame 6, and salvaging of more convenient staff to rubbish avoids salvaging danger, allow
It salvages more convenient, rapid.The hydraulic engineering gate water purification exclusion device, the fixed filter frame 6 are engraved structure, fixed filter frame
6 are made of metal material, not only sound construction, but also can play the role of filtering, interception, play purification to river water and make
With.The hydraulic engineering gate water purification exclusion device, one end and the dodge gate 8 of the threaded rod 502 are rotatablely connected, the crank
501 connect with the other end of threaded rod 502, and threaded rod 502 is connect by fixed block 605 with framework 602, by rotating crank
501 can realize the keying of dodge gate 8, prevent fixed filter frame 6 from being intercepted to fish, protect the ecological balance.The hydraulic engineering lock
Door water purification exclusion device, dodge gate 8 are equipped with connecting plate 802, and the connecting plate 802 is equipped with rotary head 803, the threaded rod
502 end is set in rotary head 803, not only ensure that the normal rotation of threaded rod 502, but also allow threaded rod 502 to dodge gate 8
Play the role of being fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810669482.8A CN108797529A (en) | 2018-06-26 | 2018-06-26 | A kind of hydraulic engineering gate water purification exclusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810669482.8A CN108797529A (en) | 2018-06-26 | 2018-06-26 | A kind of hydraulic engineering gate water purification exclusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108797529A true CN108797529A (en) | 2018-11-13 |
Family
ID=64071421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810669482.8A Pending CN108797529A (en) | 2018-06-26 | 2018-06-26 | A kind of hydraulic engineering gate water purification exclusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108797529A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805003A (en) * | 2019-11-14 | 2020-02-18 | 王映祥 | Water sluicegate convenient to ditch rubbish clearance |
| CN112112133A (en) * | 2020-09-07 | 2020-12-22 | 姚杨 | Sluice rubbish interception anti-clogging device for hydraulic engineering |
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| CN206220060U (en) * | 2016-10-14 | 2017-06-06 | 重庆水利电力职业技术学院 | A kind of garbage filtering device for hydraulic engineering |
| CN107386219A (en) * | 2017-09-06 | 2017-11-24 | 赣州牛研科技有限公司 | A kind of hydraulic engineering sluice rubbish blocking apparatus |
| CN207176642U (en) * | 2017-08-04 | 2018-04-03 | 刘红升 | Novel water conservancy gate |
| CN207295653U (en) * | 2017-08-28 | 2018-05-01 | 吴君 | A kind of hydraulic engineering regulating dam |
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2018
- 2018-06-26 CN CN201810669482.8A patent/CN108797529A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206220060U (en) * | 2016-10-14 | 2017-06-06 | 重庆水利电力职业技术学院 | A kind of garbage filtering device for hydraulic engineering |
| CN207176642U (en) * | 2017-08-04 | 2018-04-03 | 刘红升 | Novel water conservancy gate |
| CN207295653U (en) * | 2017-08-28 | 2018-05-01 | 吴君 | A kind of hydraulic engineering regulating dam |
| CN107386219A (en) * | 2017-09-06 | 2017-11-24 | 赣州牛研科技有限公司 | A kind of hydraulic engineering sluice rubbish blocking apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805003A (en) * | 2019-11-14 | 2020-02-18 | 王映祥 | Water sluicegate convenient to ditch rubbish clearance |
| CN110805003B (en) * | 2019-11-14 | 2021-04-13 | 石嘴山市林水园林水电工程有限公司 | Water sluicegate convenient to ditch rubbish clearance |
| CN112112133A (en) * | 2020-09-07 | 2020-12-22 | 姚杨 | Sluice rubbish interception anti-clogging device for hydraulic engineering |
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Application publication date: 20181113 |
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| WD01 | Invention patent application deemed withdrawn after publication |