CN105421299B - A kind of sluice and its application method with hydraulic lock - Google Patents
A kind of sluice and its application method with hydraulic lock Download PDFInfo
- Publication number
- CN105421299B CN105421299B CN201510997801.4A CN201510997801A CN105421299B CN 105421299 B CN105421299 B CN 105421299B CN 201510997801 A CN201510997801 A CN 201510997801A CN 105421299 B CN105421299 B CN 105421299B
- Authority
- CN
- China
- Prior art keywords
- flashboard
- pipeline
- gate slot
- hydraulic
- sluice
- Prior art date
- 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.)
- Expired - Fee Related
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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
- E02B7/34—Flash- boards for 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
-
- 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
- E02B7/54—Sealings for gates
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
Abstract
The application is related to the sluice in hydraulic engineering, it is more particularly to a kind of to carry hydraulic lock sluice and its application method, sluice includes gate slot and flashboard, flashboard is arranged in gate slot, and pipeline is provided with gate slot, and pipeline communication is arranged on the hydraulic cylinder on brake application gate slot, the pressing plate hydraulic cylinder for reduction system interlocked with flashboard, liquid in hydraulic cylinder enters pipeline, and expansion is brought into close contact generation Expansion sealing point with flashboard after pipeline pressurization, so as to prevent water from leaking.
Description
Technical field
The application is related to the sluice in hydraulic engineering, more particularly to a kind of sluice and its user with hydraulic lock
Method.
Background technology
In water conservancy water storage project, the particularly regulated water conservancy structure such as culvert, dam is designed with sluice, uses
To regulate and control water levels of upstream and downstream, because steel flashboard and gate slot are all hard plane contacts, during equipment conveying, installation, use
Can be deformed or surface corrosion, still can cause leak or infiltration, maintaining is costly, and due to leak infiltration, winter
Season low temperature can cause object correlation freeze damage.
The content of the invention
In order to solve the above problems, the present invention provides a kind of sluice and its application method with hydraulic lock, using
Soft pipeline, pipeline communication upper hydraulic cylinder, during barrier gate under the related pressing plate of flashboard are added in the gate slot of flashboard one or both sides
The pipeline of the liquid press-in connection in hydraulic cylinder, pipeline are expanded to play sealed gate groove and flashboard by drop, pressing plate because of pressure
The effect in gap, so as to reach sluice automatic-sealed, it is to avoid the purpose of leak infiltration, and it is easy to maintenance.
The technical solution adopted by the present invention is as follows：
A kind of sluice with hydraulic lock, including gate slot and flashboard, flashboard are arranged in gate slot, and its feature exists
In：Pipeline is provided with described gate slot, conduit upper connection liquid cylinder pressure puts down flashboard, and the pressing plate of flashboard connection is to bottom
Hydraulic cylinder presses, and liquid enters the pipeline of connection, and tube wall is fitted tightly over flashboard avris after pipe expansion, prevents water leakage.
Further preferred scheme, described flashboard is rectangular steel plates, and its top is provided with pressing plate to side protrusion, on flashboard
Suspension ring are provided with the middle of portion.
Further preferred scheme, described gate slot is arranged on the surrounding up and down in gate hole, inside brake application gate slot
Be rectangular through-hole as flashboard passage, the left and right sides and downside gate slot cross-section are U-lag, and one or both sides set in gate slot
There is U-shaped pipe-line tank, described pipeline is provided with U-shaped pipe-line tank, the flashboard passage by supporting flashboard from brake application gate slot hangs
Enter gate slot, pipeline is located at the one or both sides of flashboard.
Further preferred scheme, described pipeline is rubber or the softer, elastic pipeline of latex material, and pipeline section is
Circular or rectangle, the surrounding of the rectangular one or both sides for being arranged on rectangle flashboard of pipeline, conduit upper is connected with hydraulic cylinder.
Further preferred scheme, described hydraulic cylinder top is provided with hydraulic axis, and hydraulic axis are provided with bolt, barrier gate time gating
Plate declines, and follows the pressing plate of decline to push down bolt, and bolted hydraulic axis decline, and piston is by the liquid in hydraulic cylinder by pipe
The pipeline of road joint press-in connection, is brought into close contact after pipeline pressurized expansion with flashboard, blocks gap, prevents water leakage.
Further preferred scheme, the pressure of described pipeline is adjusted by described bolt, i.e. bolt in hydraulic axis
Protrusion is high, the more liquid press-in pipelines of general who has surrendered under hydraulic axis, therefore the pressure of pipeline is increased, and duct wall is even closer with flashboard
Laminating.
The invention also discloses a kind of construction method of the sluice with hydraulic lock, its feature comprises the following steps：
1) gate slot is set：Rectangular gate hole is reserved on culvert or dam body, the surrounding in gate hole sets gate slot, lock
Gate slot is arranged on the surrounding up and down in gate hole, and brake application gate slot inside is rectangular through-hole as flashboard passage, the left and right sides and
Downside gate slot cross-section is U-lag, and one or both sides are provided with U-shaped pipe-line tank in gate slot, and rubber is set in U-shaped pipe-line tank
Or the softer, elastic pipeline of latex material, pipeline section is circular or rectangle, the rectangular side for being arranged on rectangle flashboard of pipeline
Or the surrounding of both sides, conduit upper connects with hydraulic cylinder；
2) in the middle of the top of brake application gate slot or both sides set hydraulic cylinder, hydraulic cylinder top is provided with hydraulic axis, under hydraulic axis
Piston in the connection liquid cylinder pressure of end, piston lower portion sets hydraulic oil, and bolt is set in hydraulic axis upper end, and hydraulic cylinder bottom is provided with pipe
Pipeline in road joint connection gate slot；
3) flashboard is made：Flashboard is rectangular steel plates, and side sets pressing plate to side protrusion thereon, is welded in the middle of flashboard top
Connect suspension ring；
4) flashboard passage of the flashboard for obtaining the 3rd step from brake application gate slot hangs in gate slot, is set on the top of flashboard
The pressing plate of protrusion, pressing plate declines in company with flashboard, and when flashboard declines close to lower flashboard bottom land, the pressing plate on top pushes down bolt, spiral shell
Tether the hydraulic axis for connecing to decline, the liquid in hydraulic cylinder is pressed into piston the pipeline of connection by pipe joint, and flashboard is placed into
Behind bottom, the pressure of pipeline is adjusted by the height of regulating bolt, pipeline produces expansion due to hydraulic pressure, and tube wall is brought into close contact with flashboard
Produce Expansion sealing point, you can prevent water from flashboard surrounding slot leakage.
The invention also discloses a kind of application method of the sluice with hydraulic lock, its feature includes following technique and step
Suddenly：
1) closing gate：Flashboard is put into gate slot, when flashboard declines close to lower flashboard bottom land, the pressure of decline is followed
Plate pushes down bolt, and bolted hydraulic axis decline, and the liquid in hydraulic cylinder is pressed into the pipeline of connection, lock by pipe joint
After plate is placed into bottom, the pressure of pipeline is adjusted by the height of regulating bolt, pipeline produces expansion, tube wall and flashboard due to hydraulic pressure
It is brought into close contact generation Expansion sealing point, you can prevent water from flashboard surrounding slot leakage；
2) gate opening：Flashboard lifting means is opened, flashboard is lifted at the flashboard passage of supreme gate slot, pressing plate is followed
Flashboard rises, and hydraulic cylinder loses pressure, and the liquid in pipeline passes back into hydraulic cylinder, and hydraulic axis rise and reset.
Beneficial effects of the present invention
The present invention has following technique effect after using above technical scheme：1st, the sluice structure that the present invention is used is simple,
It is easy for installation；2nd, gate slot of the invention, flashboard is arranged in U-lag, and soft pipeline is set in the one or both sides of flashboard, is led to
The liquid crossed in flashboard compressed by weight hydraulic cylinder gives pipeline pressurized expansion, so as to reach the effect of sealing damper gap, therefore sealing
Effect is good, non-leakage；3rd, due to give pipeline pressurized expansion by flashboard own wt compression hydraulic cylinder, therefore extra power is not needed
Equipment, therefore cost low-dimensional, and later convenient maintenance and replacement.
Brief description of the drawings
Fig. 1 is main structure diagram of the invention；
Fig. 2 is the A-A cross-sectional views of Fig. 1；
Fig. 3 is the brake application board slot of Fig. 2 and the mplifying structure schematic diagram of hydraulic cylinder；
Fig. 4 is the lower flashboard slot part mplifying structure schematic diagram of Fig. 2；
Fig. 5 is the B-B cross-sectional views of Fig. 1；
Fig. 6 is the structural representation that flashboard of the invention lifts state, it is seen that flashboard is lifted in brake application board slot, pipeline with
Flashboard has certain distance；
Fig. 7 is the structural representation of hydraulic cylinder of the invention；
Fig. 8 is the C-C cross-sectional views of Fig. 7 hydraulic cylinders；
Fig. 9 is the hydraulic cylinder dimensional structure diagram of Fig. 7；
Figure 10 is the pipeline and hydraulic cylinder attachment structure schematic diagram being arranged in gate slot.
In figure, 1- flashboards, 2- pressing plates, 3- suspension ring, 4- brake application board slots, 5- sides flashboard slot, 6- lower flashboard grooves, 7- hydraulic cylinders,
71- hydraulic axis, 72- regulating bolts, 73- pipe joints, 74- pistons, 8- pipelines, 81- pipe-line tanks.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Embodiment, refer to the attached drawing 1-10：A kind of sluice with hydraulic lock, including gate slot and flashboard 1, flashboard 1 set
Put in gate slot, pipeline 8 is provided with described gate slot, the top connection liquid cylinder pressure 7 of pipeline 8 puts down flashboard 1, and flashboard 1 is connected
Pressing plate 2 hydraulic cylinder 7 of bottom is pressed, liquid enters the pipeline 8 of connection, and the inflated tube wall of pipeline 8 is fitted tightly over flashboard 1
Avris, prevents water leakage.
Further preferred scheme, described flashboard 1 is rectangular steel plates, and its top is provided with pressing plate 2, flashboard to side protrusion
Suspension ring 3 are provided with the middle of 1 top.
Further preferred scheme, described gate slot is arranged on the surrounding up and down in gate hole, inside brake application gate slot 4
Be rectangular through-hole as the passage of flashboard 1, the side gate groove 5 of the left and right sides and the section of tail gates groove 6 are U-lag, in gate slot
One or both sides are provided with U-shaped pipe-line tank 81, described pipeline 8 are provided with U-shaped pipe-line tank 81, by supporting flashboard 1 from brake application
Flashboard passage in gate slot 4 hangs in gate slot, and pipeline 8 is located at the one or both sides of flashboard 1.
Further preferred scheme, described pipeline 8 is rubber or the softer, elastic pipeline 8 of latex material, the section of pipeline 8
It is circular or rectangle, the surrounding of the rectangular one or both sides for being arranged on rectangle flashboard 1 of pipeline 8, the top of pipeline 8 is connect by pipeline
First 73 connect with hydraulic cylinder 7.
Further preferred scheme, the described top of hydraulic cylinder 7 is provided with hydraulic axis 71, and hydraulic axis 71 are provided with bolt 72,
Flashboard 1 declines during barrier gate, follows the pressing plate 2 of decline to push down bolt 72, and the hydraulic axis 71 of the connection of bolt 72 decline, and piston 74 is by liquid
Liquid in cylinder pressure 7 is pressed into the pipeline 8 of connection by pipe joint 73, is brought into close contact with flashboard 1 after the pressurized expansion of pipeline 8, blocks up
Firmly gap, prevents water leakage.
Further preferred scheme, the pressure of described pipeline 8 is adjusted by described bolt 72, i.e., in hydraulic axis 71
Bolt 72 protrudes the pressure increasing of height, the more liquid press-in pipelines 8 of 71 times generals who has surrendered of hydraulic axis, therefore pipeline 8, duct wall and lock
The even closer laminating of plate 1.
The present embodiment also discloses a kind of construction method of the sluice with hydraulic lock, and its feature comprises the following steps：
1) gate slot is set：Rectangular gate hole is reserved on culvert or dam body, the surrounding in gate hole sets gate slot, lock
Gate slot is arranged on the surrounding up and down in gate hole, and the inside of brake application gate slot 4 is rectangular through-hole as the passage of flashboard 1, the left and right sides
It is U-lag with the section of tail gates groove 6, one or both sides are provided with U-shaped pipe-line tank 81 in gate slot, is set in U-shaped pipe-line tank 81
The softer, elastic pipeline 8 of rubber or latex material is put, the section of pipeline 8 is circular or rectangle, and pipeline 8 is rectangular to be arranged on rectangle lock
The surrounding of the one or both sides of plate 1, the top of pipeline 8 connects with hydraulic cylinder 7；
2) in the middle of the top of brake application gate slot 4 or both sides set hydraulic cylinder 7, the top of hydraulic cylinder 7 is provided with hydraulic axis 71, hydraulic pressure
Piston 74 in the lower end connection liquid cylinder pressure of axle 71, the bottom of piston 74 sets hydraulic oil, and bolt 72, liquid are set in the upper end of hydraulic axis 71
The bottom of cylinder pressure 7 is provided with the pipeline 8 in the connection gate slot of pipe joint 73；
3) flashboard is made：Flashboard 1 is rectangular steel plates, and side sets pressing plate 2 to side protrusion thereon, in the top of flashboard 1
Between welding hanging ring 3；
4) the flashboard passage by supporting flashboard 1 from brake application gate slot 4 hangs in gate slot, and protrusion is set on the top of flashboard
Pressing plate 2, pressing plate 2 declines in company with flashboard 1, and when flashboard 1 declines close to lower flashboard bottom land, the pressing plate 2 on top pushes down bolt 72,
The hydraulic axis 71 of the connection of bolt 72 decline, and the liquid in hydraulic cylinder 7 is pressed into piston 74 pipeline 8 of connection by pipe joint 73
In, after flashboard 1 is placed into bottom, the pressure of pipeline 8 being adjusted by the height of regulating bolt 72, pipeline 8 produces expansion due to hydraulic pressure,
Tube wall is brought into close contact generation Expansion sealing point with flashboard 1, you can prevent water from the surrounding slot leakage of flashboard 1.
The present embodiment also discloses a kind of application method of the sluice with hydraulic lock, and its feature comprises the following steps：
1) closing gate：Flashboard 1 is put into gate slot, when flashboard 1 declines close to lower flashboard 6 bottom of groove, decline is followed
Pressing plate 2 push down bolt 72, the hydraulic axis 71 of the connection of bolt 72 decline, and the liquid in hydraulic cylinder 7 is pressed by pipe joint 73
Enter the pipeline 8 of connection, after flashboard 1 is placed into bottom, the pressure of pipeline 8 is adjusted by the height of regulating bolt 72, pipeline 8 is due to liquid
Pressure produces expansion, and tube wall is brought into close contact generation Expansion sealing point with flashboard 1, you can prevent water from flashboard surrounding slot leakage；
2) gate opening：The lifting means of flashboard 1 is opened, flashboard 1 is lifted at the flashboard passage of supreme gate slot 4, pressing plate 2
Flashboard 1 is followed to rise, hydraulic cylinder 7 loses pressure, the liquid in pipeline 8 passes back into hydraulic cylinder 7, and hydraulic axis 71 rise and reset.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein, including technology art
Language and scientific terminology, with the application art in those of ordinary skill general understanding identical meaning.Should also
Understand, those terms defined in such as general dictionary should be understood that the meaning having with the context of prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or excessively formal implication be explained.
The implication of " inside and outside " described herein is referred to relative to equipment itself, the side inside sensing equipment
To in, otherwise for outer.
The implication of " connection " described herein can be that being directly connected between part can also be passed through between part
Other parts are indirectly connected with.
It is enlightenment with the above-mentioned desirable embodiment according to the application, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out in the range of without departing from present techniques thought entirely.This application it is technical
Scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (5)
1. a kind of sluice with hydraulic lock, including gate slot and flashboard, flashboard are arranged in gate slot, it is characterised in that：
Described gate slot is arranged on the surrounding up and down in gate hole, and brake application gate slot inside is rectangular through-hole as flashboard passage, a left side
Right both sides and downside gate slot cross-section are U-lag, and one or both sides are provided with U-shaped pipe-line tank in gate slot, in U-shaped pipe-line tank
Pipeline, conduit upper connection liquid cylinder pressure are provided with, described flashboard is rectangular steel plates, and its top is provided with pressing plate, puts to side protrusion
Lower flashboard, the pressing plate of flashboard connection presses to the hydraulic cylinder of bottom, and liquid enters the pipeline of connection, tube wall after pipe expansion
Flashboard avris is fitted tightly over, water leakage is prevented.
2. the sluice with hydraulic lock according to claim 1, it is characterised in that flashboard is provided with suspension ring in the middle of top.
3. the sluice with hydraulic lock according to claim 1, it is characterised in that flashboard of the flashboard from brake application gate slot
Passage hangs in gate slot, and pipeline is located at the one or both sides of flashboard.
4. the sluice with hydraulic lock according to claim 1, it is characterised in that described pipeline is quality of rubber materials
Softer, elastic pipeline, pipeline section is circle, the surrounding of the rectangular one or both sides for being arranged on rectangle flashboard of pipeline, on pipeline
Portion connects with the hydraulic cylinder.
5. the sluice with hydraulic lock according to claim 1, it is characterised in that described hydraulic cylinder top is provided with liquid
Last item, hydraulic axis are provided with bolt, and flashboard declines during barrier gate, follows the pressing plate of decline to push down bolt, bolted hydraulic axis
Decline, the liquid in hydraulic cylinder is pressed into piston the pipeline of connection by pipe joint, tight with flashboard after pipeline pressurized expansion
Laminating, blocks gap, prevents water leakage.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510997801.4A CN105421299B (en) | 2015-12-28 | 2015-12-28 | A kind of sluice and its application method with hydraulic lock |
| CN201710317697.9A CN106988279B (en) | 2015-12-28 | 2015-12-28 | A kind of application method of the sluice with hydraulic lock |
| CN201710318139.4A CN107083763B (en) | 2015-12-28 | 2015-12-28 | A kind of sluice with hydraulic lock |
| CN201710319519.XA CN106930245B (en) | 2015-12-28 | 2015-12-28 | The application method of sluice with hydraulic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510997801.4A CN105421299B (en) | 2015-12-28 | 2015-12-28 | A kind of sluice and its application method with hydraulic lock |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710318139.4A Division CN107083763B (en) | 2015-12-28 | 2015-12-28 | A kind of sluice with hydraulic lock |
| CN201710317697.9A Division CN106988279B (en) | 2015-12-28 | 2015-12-28 | A kind of application method of the sluice with hydraulic lock |
| CN201710319519.XA Division CN106930245B (en) | 2015-12-28 | 2015-12-28 | The application method of sluice with hydraulic lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105421299A CN105421299A (en) | 2016-03-23 |
| CN105421299B true CN105421299B (en) | 2017-06-20 |
Family
ID=55499811
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710317697.9A Active CN106988279B (en) | 2015-12-28 | 2015-12-28 | A kind of application method of the sluice with hydraulic lock |
| CN201710318139.4A Active CN107083763B (en) | 2015-12-28 | 2015-12-28 | A kind of sluice with hydraulic lock |
| CN201710319519.XA Active CN106930245B (en) | 2015-12-28 | 2015-12-28 | The application method of sluice with hydraulic lock |
| CN201510997801.4A Expired - Fee Related CN105421299B (en) | 2015-12-28 | 2015-12-28 | A kind of sluice and its application method with hydraulic lock |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710317697.9A Active CN106988279B (en) | 2015-12-28 | 2015-12-28 | A kind of application method of the sluice with hydraulic lock |
| CN201710318139.4A Active CN107083763B (en) | 2015-12-28 | 2015-12-28 | A kind of sluice with hydraulic lock |
| CN201710319519.XA Active CN106930245B (en) | 2015-12-28 | 2015-12-28 | The application method of sluice with hydraulic lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN106988279B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386216B (en) * | 2017-08-11 | 2024-07-05 | 林世明 | Front-mounted sluice for ground warehouse and use method thereof |
| CN114215016A (en) * | 2021-12-31 | 2022-03-22 | 宣城市欣禹水电建筑安装有限责任公司 | Channel gate for hydraulic engineering and installation method thereof |
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| US5797588A (en) * | 1995-05-04 | 1998-08-25 | B.N.W. Valve Manufacturing | Closure gate |
| JP2002167738A (en) * | 2000-11-30 | 2002-06-11 | Kanazawa Seisakusho:Kk | Base isolating water cutoff method for water gate pit mouth circumferential edge and its structure |
| CN1405406A (en) * | 2001-08-16 | 2003-03-26 | 郑士元 | Water gate sealing device |
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| CN104563066A (en) * | 2014-12-18 | 2015-04-29 | 合肥工业大学 | Water stop body for plane gate of inflating type water gate and installing method thereof |
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| JPS59145811A (en) * | 1983-02-09 | 1984-08-21 | Mitsubishi Heavy Ind Ltd | Water-sealing device for gate |
| CA2747379C (en) * | 2001-07-09 | 2018-09-04 | Henry K. Obermeyer | Water control gate and actuator therefore |
| CN201627184U (en) * | 2010-02-24 | 2010-11-10 | 中国水电顾问集团华东勘测设计研究院 | Auto-pressure regulating water-stopping sealing structure for gate |
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| CN202416269U (en) * | 2011-12-01 | 2012-09-05 | 成都盛尔嘉科技有限公司 | Pressurizing chamber structure of framed water seal |
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2015
- 2015-12-28 CN CN201710317697.9A patent/CN106988279B/en active Active
- 2015-12-28 CN CN201710318139.4A patent/CN107083763B/en active Active
- 2015-12-28 CN CN201710319519.XA patent/CN106930245B/en active Active
- 2015-12-28 CN CN201510997801.4A patent/CN105421299B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5797588A (en) * | 1995-05-04 | 1998-08-25 | B.N.W. Valve Manufacturing | Closure gate |
| JP2002167738A (en) * | 2000-11-30 | 2002-06-11 | Kanazawa Seisakusho:Kk | Base isolating water cutoff method for water gate pit mouth circumferential edge and its structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106988279B (en) | 2019-01-11 |
| CN106930245A (en) | 2017-07-07 |
| CN106930245B (en) | 2018-12-21 |
| CN105421299A (en) | 2016-03-23 |
| CN106988279A (en) | 2017-07-28 |
| CN107083763B (en) | 2019-01-11 |
| CN107083763A (en) | 2017-08-22 |
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Inventor after: Liang Deyou Inventor after: Jin Miaomiao Inventor after: Liao Weican Inventor after: He Aiwen Inventor after: Wang Yanan Inventor after: Yin Tongsheng Inventor after: Wang Luyao Inventor after: Li Jicheng Inventor after: Wang Zhenzhen Inventor after: Yu Yumin Inventor after: Wang Suyu Inventor after: Chen Xinxin Inventor after: Pan Fengwei Inventor after: Li Lu Inventor after: Fang Yuan Inventor before: Zhang Chaoli |
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