CN106906805B - A kind of construction method of sluice hydraulic lock system - Google Patents
A kind of construction method of sluice hydraulic lock system Download PDFInfo
- Publication number
- CN106906805B CN106906805B CN201710317700.7A CN201710317700A CN106906805B CN 106906805 B CN106906805 B CN 106906805B CN 201710317700 A CN201710317700 A CN 201710317700A CN 106906805 B CN106906805 B CN 106906805B
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- Prior art keywords
- pipeline
- hydraulic
- flashboard
- hydraulic cylinder
- gate
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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
- E02B7/54—Sealings for 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
- Sliding Valves (AREA)
- Pipe Accessories (AREA)
- Revetment (AREA)
Abstract
This application involves the sluice accessories in hydraulic engineering, in particular to a kind of construction method of sluice hydraulic lock system, including hydraulic cylinder and pipeline, it is characterized in that hydraulic cylinder is equipped with hydraulic axis, hydraulic axis upper end is equipped with bolt, hydraulic axis lower end is equipped with piston, piston is arranged in hydraulic cylinder, hydraulic oil is equipped with below piston in cavity, hydraulic cylinder bottom is equipped with pipe joint, the pipeline being arranged in gate slot is connect with the pipe joint, bolt is pushed when barrier gate, hydraulic axis decline, the pipeline that piston connects hydraulic oil from pipe joint indentation, gap between pipe expansion sealed gate slot and flashboard, prevent leak.
Description
Technical field
This application involves the sluice in hydraulic engineering, in particular to a kind of construction method of sluice hydraulic lock system.
Background technique
In water conservancy water storage project, the especially regulated water conservancy structure such as culvert, dam is designed with sluice, uses
To regulate and control water levels of upstream and downstream, since steel flashboard and gate slot are all hard plane contacts, in equipment conveying, installation, use process
It can be deformed or surface corrosion, still will cause leak or infiltration, maintenance is costly, and since leak is seeped water, the winter
Season low temperature will lead to object correlation frost damage.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of construction method of sluice hydraulic lock system, using in flashboard
It is added soft pipeline in the gate slots of one or both sides, pipeline is connected to upper hydraulic cylinder, flashboard related pressing plate decline when barrier gate, pressure
Plate expands the pipeline of the liquid indentation connection in hydraulic cylinder, pipeline to play sealed gate slot and flashboard gap because of pressure
Effect, thus reach sluice automatic-sealed, the purpose for avoiding leak from seeping water, and it is easy to maintain.
The technical solution adopted by the invention is as follows:
A kind of sluice hydraulic lock system, including hydraulic cylinder and pipeline, it is characterised in that hydraulic cylinder is equipped with hydraulic axis, hydraulic
Axis upper end is equipped with bolt, and hydraulic axis lower end is equipped with piston, and piston is arranged in hydraulic cylinder, equipped with hydraulic in cavity below piston
Oil, hydraulic cylinder bottom are equipped with pipe joint, and the pipeline being arranged in gate slot connect with the pipe joint, and when barrier gate pushes
Bolt, hydraulic axis decline, the pipeline that piston connects hydraulic oil from pipe joint indentation, pipe expansion sealed gate slot and flashboard
Between gap, prevent leak.
Further preferred embodiment, the pipeline are the softer, elastic pipeline of rubber or latex material, and pipeline section is
The surrounding of the one or both sides of rectangle flashboard is arranged in rectangle for round or rectangle, pipeline, what conduit upper and hydraulic cylinder stretched out
Pipe joint connection.
Further preferred embodiment, the gate slot are arranged in the surrounding up and down in gate hole, inside brake application gate slot
It is rectangular through-hole as flashboard channel, the left and right sides and tail gates slot cross-section are U-lag, and one or both sides are equipped in gate slot
Pipe-line tank is equipped with the pipeline in pipe-line tank, matched flashboard is hung in gate slot from the flashboard channel in brake application gate slot,
Pipeline is located at the one or both sides of flashboard.
Further preferred embodiment, the flashboard are rectangular steel plates, and top is protruded to side is equipped with pressing plate, on flashboard
Hanging ring is equipped among portion, flashboard is arranged in gate slot.
The pressure of further preferred embodiment, the pipeline is adjusted by the bolt, i.e. bolt in hydraulic axis
Protrusion is high, and the more liquid of general who has surrendered are pressed into pipeline under hydraulic axis, therefore the pressure of pipeline increases, and duct wall is even closer with flashboard
Fitting.
The invention also discloses the manufacturing method of above-mentioned sluice hydraulic lock system, feature includes the following steps:
1) hydraulic cylinder makes: taking one section of steel cylindrical tube production hydraulic cylinder, is arranged piston inside hydraulic cylinder, on piston
Portion connects hydraulic axis, and hydraulic axis is stretched out from the upper surface of hydraulic cylinder center of circle, and bolt is arranged in hydraulic axis upper end, holds below piston
Pipe joint is arranged in hydraulic cylinder bottom side in intracavitary setting hydraulic oil；
2) pipeline makes: taking the softer, elastic pipeline of rubber or latex material, pipeline section is round or rectangle, and pipeline connects
It is connected into rectangle, size is suitable with matched flashboard surrounding；
3) rectangular duct for obtaining step 2), with subtube Connection Step 1 among top) obtained hydraulic cylinder bottom
The pipe joint of side forms the pressure pipeline of a sealing.
The invention also discloses the construction method of above-mentioned sluice hydraulic lock system, feature includes the following steps:
1) gate slot is set: reserving rectangular gate hole on culvert or dam body, gate slot, lock is arranged in the surrounding in gate hole
Gate slot is arranged in the surrounding up and down in gate hole, is that rectangular through-hole is used as flashboard channel inside brake application gate slot, the left and right sides with
Tail gates slot cross-section is U-lag, and pipe-line tank is arranged in one or both sides in gate slot, and pipeline is arranged in pipe-line tank, and pipeline is cut
Face is round or rectangle, and the surrounding of the one or both sides of rectangle flashboard is arranged in rectangle for pipeline, and conduit upper and hydraulic cylinder connect
It is logical；
2) among the top of brake application gate slot or two sides be arranged hydraulic cylinder, the hydraulic axis of hydraulic cylinder is set up, hydraulic
Bolt is arranged in axis upper end, and in hydraulic cylinder bottom, setting pipe joint connects the pipeline in gate slot；
3) flashboard is installed: rectangle flashboard is put into from the flashboard channel in brake application gate slot by gate slot with gate lifting means,
Decline in the pressing plate that the top of flashboard is protruded in company with flashboard, when flashboard decline is close to tail gates slot bottom, the pressing plate on top is pushed down
Liquid in hydraulic cylinder is passed through the pipeline of pipe joint indentation connection, flashboard by bolt, bolted hydraulic axis decline, piston
After being placed into bottom, the height by adjusting bolt adjusts the pressure of pipeline, and for pipeline since hydraulic generation expands, tube wall is tight with flashboard
Closely connected conjunction forms Expansion sealing point, and water can be prevented from flashboard surrounding slot leakage.
Beneficial effects of the present invention
The hydraulic cylinder structure letter that the 1, present invention uses is had following technical effect that after the invention adopts the above technical scheme
It is single, it is easy for installation；2, pipeline of the invention is arranged in gate slot, and soft pipeline is arranged in the one or both sides of flashboard, passes through
Liquid in flashboard compressed by weight hydraulic cylinder gives pipeline pressurized expansion, to reach the effect of sealing damper gap, therefore seals effect
Fruit is good, non-leakage；3, it due to give pipeline pressurized expansion by flashboard own wt compression hydraulic cylinder, therefore does not need extra power and sets
It is standby, therefore cost low-dimensional, and later convenient maintenance and replacement.
Detailed description of the invention
Fig. 1 is hydraulic cylinder schematic view of the front view of the invention；
Fig. 2 is the A-A the schematic diagram of the section structure of Fig. 1；
Fig. 3 is the hydraulic cylinder depressed state the schematic diagram of the section structure of Fig. 2；
Fig. 4 is the schematic perspective view of Fig. 1 hydraulic cylinder；
Fig. 5 is hydraulic cylinder and pipe connecting structure schematic diagram；
Fig. 6 is the sluice schematic view of the front view using hydraulic cylinder of the invention；
Fig. 7 is the B-B the schematic diagram of the section structure of Fig. 6, it is seen that pipeline is located at flashboard two sides, pipe expansion and ram seal；
Fig. 8 is Fig. 7 top half cross-section structure enlarged diagram；
Fig. 9 is the lower half portion Fig. 7 cross-section structure enlarged diagram；
Figure 10 is the structural schematic diagram after mentioning lock of Fig. 8.
In figure: 1- hydraulic cylinder, 2- hydraulic axis, 3- bolt, 4- pipe joint, 5- piston, 6- pipeline, 7- flashboard, 8- pressing plate,
9- brake application gate slot, 10- side gate slot, 11- tail gates slot.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Embodiment, with reference to attached drawing 1-10: a kind of sluice hydraulic lock system, including hydraulic cylinder 1 and pipeline 6, feature exists
It is equipped with hydraulic axis 2 in hydraulic cylinder 1,2 upper end of hydraulic axis is equipped with bolt 3, and 2 lower end of hydraulic axis is equipped with piston 5, and piston 5 is arranged in liquid
In cylinder pressure 1, hydraulic oil is equipped with below piston 5 in cavity, 1 bottom of hydraulic cylinder is equipped with pipe joint 4, is arranged in gate slot
Pipeline 6 is connect with the pipe joint 4, and bolt 3 is pushed when barrier gate, and hydraulic axis 2 declines, and piston 5 connects hydraulic oil from pipeline
The pipeline 6 of 4 indentation connection of mouth, the gap between 6 Expansion sealing gate slot of pipeline and flashboard 7 prevents leak.
Further preferred embodiment, the pipeline 6 are the softer, elastic pipeline of rubber or latex material, 6 section of pipeline
For round or rectangle, the surrounding of the one or both sides of rectangle flashboard 7,6 top of pipeline and hydraulic cylinder 1 are arranged in rectangle for pipeline 6
The pipe joint 4 of stretching is connected to.
Further preferred embodiment, the gate slot are arranged in the surrounding up and down in gate hole, inside brake application gate slot 9
It is rectangular through-hole as 7 channel of flashboard, the side gate slot 10 of the left and right sides and 11 section of tail gates slot are U-lag, in gate slot
Interior one or both sides are equipped with pipe-line tank, the pipeline 6 are equipped in pipe-line tank, by matched flashboard 7 out of brake application gate slot
Flashboard channel hangs in gate slot, and pipeline 6 is located at the one or both sides of flashboard 7.
Further preferred embodiment, the flashboard 7 are rectangular steel plates, and top is equipped with pressing plate 8, flashboard to side protrusion
Hanging ring is equipped among 8 tops, flashboard 7 is arranged in gate slot.
The pressure of further preferred embodiment, the pipeline 6 is adjusted by the bolt 3, i.e. spiral shell in hydraulic axis 2
Bolt 3 protrudes height, and the lower more hydraulic oil of general who has surrendered of hydraulic axis 2 are pressed into pipeline 6, therefore the pressure of pipeline 6 increases, duct wall and flashboard
7 even closer fittings.
The present embodiment also discloses the manufacturing method of above-mentioned sluice hydraulic lock system, and feature includes the following steps:
1) hydraulic cylinder 1 makes: one section of steel cylindrical tube production hydraulic cylinder is taken, piston 5 is set inside hydraulic cylinder 1, it is living
5 tops connection hydraulic axis 2 is filled in, hydraulic axis 2 is stretched out from the upper surface of hydraulic cylinder 1 center of circle, bolt 3 is arranged in 2 upper end of hydraulic axis, in work
Hydraulic oil is set in cavity below plug 5, pipe joint 4 is set in 1 bottom side of hydraulic cylinder；
2) pipeline 6 makes: taking the softer, elastic pipeline 6 of rubber or latex material, 6 section of pipeline is round or rectangle, pipe
Road 6 connects rectangular, and size is suitable with matched 7 surrounding of flashboard；
3) rectangular duct 6 for obtaining step 2), with subtube Connection Step 1 among top) obtained 1 bottom of hydraulic cylinder
The pipe joint 4 of portion side forms the pressure pipeline of a sealing.
The present embodiment also discloses the construction method of above-mentioned sluice hydraulic lock system, and feature includes the following steps:
1) gate slot is set: reserving rectangular gate hole on culvert or dam body, gate slot, lock is arranged in the surrounding in gate hole
Gate slot is arranged in the surrounding up and down in gate hole, is used as flashboard channel inside brake application gate slot 9 for rectangular through-hole, the left and right sides with
11 section of tail gates slot is U-lag, and pipe-line tank is arranged in one or both sides in gate slot, and pipeline 6, pipeline are arranged in pipe-line tank
6 sections are round or rectangle, and pipeline 6 is arranged in the surrounding of the one or both sides of rectangle flashboard in rectangle, 6 top of pipeline with it is hydraulic
Cylinder 1 is connected to；
2) among the top of brake application gate slot 9 or hydraulic cylinder 1 is arranged in two sides, the hydraulic axis 2 of hydraulic cylinder 1 set up,
Bolt 3 is arranged in 2 upper end of hydraulic axis, and in 1 bottom of hydraulic cylinder, setting pipe joint 4 connects the pipeline 6 in gate slot；
3) flashboard is installed: rectangle flashboard 7 is put into from the flashboard channel in brake application gate slot by gate slot with gate lifting means,
Decline in the pressing plate 8 that the top of flashboard 7 is protruded in company with flashboard 7, when the decline of flashboard 7 is close to tail gates 11 bottom of slot, the pressure on top
Plate 8 pushes down bolt 3, and the hydraulic axis 2 that bolt 3 connects declines, and the liquid in hydraulic cylinder 1 is pressed by piston 5 by pipe joint to be connected
Logical pipeline 6, after flashboard 7 is placed into bottom, the height by adjusting bolt 3 adjusts the pressure of pipeline 6, and pipeline 6 is due to hydraulic production
Raw expansion, tube wall and flashboard 7, which fit closely, generates Expansion sealing point, and water can be prevented from flashboard surrounding slot leakage.
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 term have meaning identical with the general understanding of those of ordinary skill in the application fields.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, it will not be explained in an idealized or overly formal meaning.
The meaning of " inside and outside " described herein refers to relative to equipment itself, the side inside sensing equipment
To in, on the contrary is outer.
The meaning of " connection " described herein can be between component be directly connected to be also possible to pass through between component
Other components are indirectly connected with.
It is enlightenment with the above-mentioned desirable embodiment according to the application, through the above description, relevant staff is complete
Full various changes and amendments can be carried out in the range of without departing from present techniques thought.This item application it is technical
Range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (3)
1. a kind of construction method of sluice hydraulic lock system, the hydraulic lock system includes hydraulic cylinder and pipeline, hydraulic
Cylinder is equipped with hydraulic axis, and hydraulic axis upper end is equipped with bolt, and hydraulic axis lower end is equipped with piston, and piston is arranged in hydraulic cylinder, piston
Hydraulic oil is equipped in cavity below, hydraulic cylinder bottom is equipped with pipe joint, and the pipeline in gate slot and the pipeline is arranged in
Interface connection, when barrier gate, push bolt, hydraulic axis decline, and piston is by hydraulic oil from the pipeline of pipe joint indentation connection, pipeline
The pressure in the gap between Expansion sealing gate slot and flashboard, the pipeline is adjusted by the bolt, i.e., in hydraulic axis
Bolt protrusion it is higher, the more liquid of general who has surrendered are pressed into pipelines under hydraulic axis, therefore the pressure of pipeline increases, duct wall and flashboard
Even closer fitting prevents leak；
The concrete construction method of the sluice hydraulic lock system, it is characterised in that include the following steps:
1) gate slot is set: reserving rectangular gate hole on culvert, gate slot is arranged in the surrounding in gate hole, and gate slot setting exists
The surrounding up and down in gate hole, brake application gate slot inside are that rectangular through-hole is cut as flashboard channel, the left and right sides and tail gates slot
Face is U-lag, and pipe-line tank is arranged in one or both sides in gate slot, and pipeline is arranged in pipe-line tank, and pipeline is rubber material
Softer, elastic pipeline, pipeline section are circle, and the surrounding of the one or both sides of rectangle flashboard is arranged in rectangle for pipeline, on pipeline
Portion is connected to hydraulic cylinder；
2) among the top of brake application gate slot or two sides be arranged hydraulic cylinder, the hydraulic axis of hydraulic cylinder is set up, in hydraulic axis
End setting bolt, in hydraulic cylinder bottom, setting pipe joint connects the pipeline in gate slot；
3) flashboard is installed: rectangle flashboard being put into from the flashboard channel in brake application gate slot by gate slot with gate lifting means, in lock
The pressing plate of the top protrusion of plate declines in company with flashboard, and when flashboard decline is close to tail gates slot bottom, the pressing plate on top pushes down bolt,
Bolted hydraulic axis decline, piston by the liquid in hydraulic cylinder by the pipeline of pipe joint indentation connection, place by flashboard
After on earth, the height by adjusting bolt adjusts the pressure of pipeline, and since hydraulic generation expands, tube wall closely pastes pipeline with flashboard
Conjunction forms Expansion sealing point, and water can be prevented from flashboard surrounding slot leakage.
2. the construction method of sluice hydraulic lock system according to claim 1, it is characterised in that the conduit upper
The pipe joint stretched out with hydraulic cylinder is connected to.
3. the construction method of sluice hydraulic lock system according to claim 1, it is characterised in that the flashboard is square
Shape steel plate, top are equipped with pressing plate to side protrusion, hanging ring are equipped among flashboard top, and flashboard is arranged in gate slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317700.7A CN106906805B (en) | 2015-12-28 | 2015-12-28 | A kind of construction method of sluice hydraulic lock system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511003095.3A CN105507217B (en) | 2015-12-28 | 2015-12-28 | Sluice hydraulic lock system and its manufacture and construction method |
| CN201710317700.7A CN106906805B (en) | 2015-12-28 | 2015-12-28 | A kind of construction method of sluice hydraulic lock system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511003095.3A Division CN105507217B (en) | 2015-12-28 | 2015-12-28 | Sluice hydraulic lock system and its manufacture and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106906805A CN106906805A (en) | 2017-06-30 |
| CN106906805B true CN106906805B (en) | 2018-12-11 |
Family
ID=55715494
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710319518.5A Active CN107100141B (en) | 2015-12-28 | 2015-12-28 | The manufacturing method of sluice hydraulic lock system |
| CN201710318566.2A Active CN107059808B (en) | 2015-12-28 | 2015-12-28 | A kind of manufacturing method of sluice hydraulic lock system |
| CN201710318564.3A Active CN107119642B (en) | 2015-12-28 | 2015-12-28 | The construction method of sluice hydraulic lock system |
| CN201511003095.3A Expired - Fee Related CN105507217B (en) | 2015-12-28 | 2015-12-28 | Sluice hydraulic lock system and its manufacture and construction method |
| CN201710317684.1A Active CN107034859B (en) | 2015-12-28 | 2015-12-28 | A kind of sluice hydraulic lock system |
| CN201710317700.7A Active CN106906805B (en) | 2015-12-28 | 2015-12-28 | A kind of construction method of sluice hydraulic lock system |
Family Applications Before (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710319518.5A Active CN107100141B (en) | 2015-12-28 | 2015-12-28 | The manufacturing method of sluice hydraulic lock system |
| CN201710318566.2A Active CN107059808B (en) | 2015-12-28 | 2015-12-28 | A kind of manufacturing method of sluice hydraulic lock system |
| CN201710318564.3A Active CN107119642B (en) | 2015-12-28 | 2015-12-28 | The construction method of sluice hydraulic lock system |
| CN201511003095.3A Expired - Fee Related CN105507217B (en) | 2015-12-28 | 2015-12-28 | Sluice hydraulic lock system and its manufacture and construction method |
| CN201710317684.1A Active CN107034859B (en) | 2015-12-28 | 2015-12-28 | A kind of sluice hydraulic lock system |
Country Status (1)
| Country | Link |
|---|---|
| CN (6) | CN107100141B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5797588A (en) * | 1995-05-04 | 1998-08-25 | B.N.W. Valve Manufacturing | Closure gate |
| CN2672163Y (en) * | 2002-11-16 | 2005-01-19 | 杨星龙 | Seal water stop gate |
| CN201795068U (en) * | 2010-03-11 | 2011-04-13 | 浙江固特气动机械有限公司 | Flexibly sealed gate valve |
| 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59145811A (en) * | 1983-02-09 | 1984-08-21 | Mitsubishi Heavy Ind Ltd | Water-sealing device for 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 |
| CN101338556A (en) * | 2008-05-09 | 2009-01-07 | 水利部新疆维吾尔自治区水利水电勘测设计研究院 | High head radial gate pneumatic active water-stopping system |
| 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 |
| 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 |
-
2015
- 2015-12-28 CN CN201710319518.5A patent/CN107100141B/en active Active
- 2015-12-28 CN CN201710318566.2A patent/CN107059808B/en active Active
- 2015-12-28 CN CN201710318564.3A patent/CN107119642B/en active Active
- 2015-12-28 CN CN201511003095.3A patent/CN105507217B/en not_active Expired - Fee Related
- 2015-12-28 CN CN201710317684.1A patent/CN107034859B/en active Active
- 2015-12-28 CN CN201710317700.7A patent/CN106906805B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5797588A (en) * | 1995-05-04 | 1998-08-25 | B.N.W. Valve Manufacturing | Closure gate |
| CN2672163Y (en) * | 2002-11-16 | 2005-01-19 | 杨星龙 | Seal water stop gate |
| CN201795068U (en) * | 2010-03-11 | 2011-04-13 | 浙江固特气动机械有限公司 | Flexibly sealed gate valve |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107059808B (en) | 2018-12-21 |
| CN107100141A (en) | 2017-08-29 |
| CN107119642B (en) | 2019-02-01 |
| CN105507217A (en) | 2016-04-20 |
| CN107059808A (en) | 2017-08-18 |
| CN107100141B (en) | 2018-12-28 |
| CN105507217B (en) | 2017-06-09 |
| CN107034859B (en) | 2018-12-28 |
| CN107034859A (en) | 2017-08-11 |
| CN106906805A (en) | 2017-06-30 |
| CN107119642A (en) | 2017-09-01 |
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Effective date of registration: 20181031 Address after: 317200 No. 5, Shan Zhu Zhu, Xia Zhu Village, Chicheng street, Tiantai County, Taizhou, Zhejiang Applicant after: Zhu Youfu Address before: 215000 Xiangcheng District Huangqiao Street headquarters economic Park, Suzhou, Jiangsu Applicant before: SUZHOU DUOGU ENGINEERING DESIGN CO., LTD. |
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