CN103486317A - Weighted hydraulic control butterfly valve - Google Patents
Weighted hydraulic control butterfly valve Download PDFInfo
- Publication number
- CN103486317A CN103486317A CN201310437682.8A CN201310437682A CN103486317A CN 103486317 A CN103486317 A CN 103486317A CN 201310437682 A CN201310437682 A CN 201310437682A CN 103486317 A CN103486317 A CN 103486317A
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- CN
- China
- Prior art keywords
- valve
- oil
- valve body
- unit
- butterfly
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
Abstract
The invention discloses a weighted hydraulic control butterfly valve which comprises a valve body, a transmission mechanism, a hydraulic station and an intelligent electric control box. The valve body comprises a valve, a butterfly plate and a valve rod, the butterfly plate and the valve rod are arranged on the valve, the transmission mechanism comprises a counter weight and a lever, an oil inlet pipe is arranged on one side of the transmission mechanism, the lever is connected with the valve rod, the hydraulic station comprises a motor, an energy accumulator, an oil pump, a coupler, an oil tank and an oil pipe joint, the motor is connected with the oil pump through the coupler, and the oil pump is connected with the oil inlet pipe on the transmission mechanism through the oil pipe joint. The weighted hydraulic control butterfly valve is mounted at a water inlet of a water turbine volute and provides a reliable and safe working condition for a unit in stop maintenance, water leakage of the unit is decreased when the unit is stopped for a long time, water is rapidly filled when the unit is started so that the unit rapidly enters a working state, and runaway of the unit can be prevented.
Description
Technical field
The present invention relates to hydraulic butterfly valve, specifically a kind of heavy hammer type hydraulic butterfly valve.
Background technique
Hydraulic butterfly valve is at present domestic and international more advanced pipeline control apparatus, mainly is installed on water power plant water turbine import, as the water turbine inlet valve; Or be installed on the exit of pump of all kinds of pumping plants such as water conservancy, electric power, plumbing, substitute the function of safety check and gate valve.During work, valve coordinates with the pipeline main frame, according to the Calculations of Hydraulic Transient principle, by default keying program, effectively eliminates the pipeline water hammer, realizes the reliable cut-off of pipeline, plays the effect of protection pipeline security of system.Yet existing hydraulic butterfly valve flow resistance coefficient is large, automaticity is not high, function is simple, stable performance is poor.
Summary of the invention
In order to solve the above-mentioned technical problem existed in prior art, the invention provides a kind of heavy hammer type hydraulic butterfly valve, by valve body, driving mechanism, hydraulic station, intelligent electric-controlled case forms, described valve body comprises valve body, be arranged on butterfly plate and valve rod on valve body, described driving mechanism) comprise weight and lever, one side of driving mechanism is provided with oil inlet pipe, described lever is connected with valve rod, described hydraulic station comprises motor, accumulator, oil pump, coupling, fuel tank and oil connection, described motor is connected by coupling with oil pump, described oil pump is connected with the oil inlet pipe on driving mechanism by oil connection.
Further, described intelligent electric-controlled case is arranged on hydraulic station.
Further, between described butterfly plate and valve body be three eccentric metal sealing or two eccentricity rubber seal structure.
Further, also be provided with hand pump on described hydraulic station, for the valve opening and closing under system debug and special operation condition.
Further, described valve body is connected with intake pipe, and the diameter of intake pipe is 1000-2000mm.
Heavy hammer type hydraulic butterfly valve of the present invention is arranged on the water inlet of spiral case, and reliable safe operating conditions is provided while overhauling for compressor emergency shutdown; Reduce the unit water leakage when unit is shut down for a long time, rapid water filling during start, make unit enter fast working state; Can also prevent that unit from flying the anecdote part.
The accompanying drawing explanation
Fig. 1 is the structural representation of valve body and driving mechanism;
Fig. 2 is the other direction structural representation of valve body and driving mechanism;
Fig. 3 is the structural representation of hydraulic station and intelligent electric-controlled case;
Fig. 4 is the other direction structural representation of hydraulic station and intelligent electric-controlled case.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As Figure 1-4, heavy hammer type hydraulic butterfly valve of the present invention is by valve body 1, driving mechanism 2, hydraulic station 3, intelligent electric-controlled case 4 forms, wherein valve body 1 comprises valve body, be arranged on butterfly plate 5 and valve rod 6 on valve body, driving mechanism 2 comprises weight 7 and lever 8, one side of driving mechanism 2 is provided with oil inlet pipe 9, lever 8 is connected with valve rod 6, hydraulic station 3 comprises motor 10, accumulator 11, oil pump 12, coupling 13, fuel tank 14 and oil connection 15, motor 10 is connected by coupling 11 with oil pump 12, oil pump 12 is connected with the oil inlet pipe 9 on driving mechanism 2 by oil connection 15.Intelligent electric-controlled case 4 is arranged on hydraulic station 3.
Be three eccentric metal sealing or two eccentricity rubber seal structure between butterfly plate 5 and valve body, guarantee sealability, avoid leaking.
Also be provided with hand pump 16 on hydraulic station 3, for the valve opening and closing under system debug and special operation condition.
Manually drive valve: shake hand pump 16, pressure oil enters oil cylinder through high-pressure rubber pipe, promotes piston and drives valve.
Manually close valve: oil cylinder internal pressure oil is through closing soon, slowly throttle valve, high-pressure rubber pipe, normally closed manually operated valve oil sump tank 14, and under the effect of weight potential energy and moving Hydraulic Moment, valve rod 6 and butterfly plate 5 rotations realize closing valve.
Shown in the above and figure is only the preferred embodiment of the present invention.It should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, can also make some modification and improvement, these also should be considered as belonging to protection scope of the present invention.
Claims (5)
1. a heavy hammer type hydraulic butterfly valve, by valve body (1), driving mechanism (2), hydraulic station (3), intelligent electric-controlled case (4) forms, it is characterized in that: described valve body (1) comprises valve body, be arranged on butterfly plate (5) and valve rod (6) on valve body, described driving mechanism (2) comprises weight (7) and lever (8), one side of driving mechanism (2) is provided with oil inlet pipe (9), described lever (8) is connected with valve rod (6), described hydraulic station (3) comprises motor (10), accumulator (11), oil pump (12), coupling (13), fuel tank (14) and oil connection (15), described motor (10) is connected by coupling (11) with oil pump (12), described oil pump (12) is connected with the oil inlet pipe (9) on driving mechanism (2) by oil connection (15).
2. heavy hammer type hydraulic butterfly valve as claimed in claim 1, it is characterized in that: described intelligent electric-controlled case (4) is arranged on hydraulic station (3).
3. heavy hammer type hydraulic butterfly valve as claimed in claim 1, is characterized in that: between described butterfly plate (5) and valve body, be three eccentric metal sealing or two eccentricity rubber seal structure.
4. heavy hammer type hydraulic butterfly valve as claimed in claim 1, is characterized in that: also be provided with hand pump (16) on described hydraulic station (3), for the valve opening and closing under system debug and special operation condition.
5. heavy hammer type hydraulic butterfly valve as claimed in claim 1, it is characterized in that: described valve body (1) is connected with intake pipe, and the diameter of intake pipe is 1000-2000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310437682.8A CN103486317A (en) | 2013-09-24 | 2013-09-24 | Weighted hydraulic control butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310437682.8A CN103486317A (en) | 2013-09-24 | 2013-09-24 | Weighted hydraulic control butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103486317A true CN103486317A (en) | 2014-01-01 |
Family
ID=49826789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310437682.8A Pending CN103486317A (en) | 2013-09-24 | 2013-09-24 | Weighted hydraulic control butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103486317A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566472A (en) * | 2019-08-22 | 2019-12-13 | 福建晋江天然气发电有限公司 | Water outlet system for vertical seawater circulating pump |
| CN113294551A (en) * | 2021-06-15 | 2021-08-24 | 黄建斌 | Decompression valve and explosion-proof tube air bag weight valve with same |
| CN113700901A (en) * | 2021-08-20 | 2021-11-26 | 上海欧特莱阀门机械有限公司 | Hydraulic control butterfly valve capable of preventing runaway and working quickly |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86211083U (en) * | 1986-12-31 | 1988-02-17 | 长沙市科学技术开发交流中心 | Liquid control clack valve |
| CN2087718U (en) * | 1991-01-24 | 1991-10-30 | 库学斌 | Automatic-opening and slow-closing check butterfly valve |
| CN2110752U (en) * | 1991-11-30 | 1992-07-22 | 湖北省沙市市阀门总厂 | Accumulation pot type hydraulic control slow-closed butterfly valve |
| JP2004239345A (en) * | 2003-02-06 | 2004-08-26 | Kubota Corp | Emergency cut-off valve |
| CN2766124Y (en) * | 2005-01-21 | 2006-03-22 | 上海标一阀门有限公司 | Weight type hydraulically controlled check butterfly valve |
| KR100871884B1 (en) * | 2007-08-23 | 2008-12-03 | 주식회사 동양밸브 | A check valve type of butterfly valve having slanting disc with a assistant disc |
| CN203115194U (en) * | 2013-01-21 | 2013-08-07 | 上海华电阀门集团有限公司 | Hydraulic control slow-closure butterfly check valve |
-
2013
- 2013-09-24 CN CN201310437682.8A patent/CN103486317A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86211083U (en) * | 1986-12-31 | 1988-02-17 | 长沙市科学技术开发交流中心 | Liquid control clack valve |
| CN2087718U (en) * | 1991-01-24 | 1991-10-30 | 库学斌 | Automatic-opening and slow-closing check butterfly valve |
| CN2110752U (en) * | 1991-11-30 | 1992-07-22 | 湖北省沙市市阀门总厂 | Accumulation pot type hydraulic control slow-closed butterfly valve |
| JP2004239345A (en) * | 2003-02-06 | 2004-08-26 | Kubota Corp | Emergency cut-off valve |
| CN2766124Y (en) * | 2005-01-21 | 2006-03-22 | 上海标一阀门有限公司 | Weight type hydraulically controlled check butterfly valve |
| KR100871884B1 (en) * | 2007-08-23 | 2008-12-03 | 주식회사 동양밸브 | A check valve type of butterfly valve having slanting disc with a assistant disc |
| CN203115194U (en) * | 2013-01-21 | 2013-08-07 | 上海华电阀门集团有限公司 | Hydraulic control slow-closure butterfly check valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566472A (en) * | 2019-08-22 | 2019-12-13 | 福建晋江天然气发电有限公司 | Water outlet system for vertical seawater circulating pump |
| CN113294551A (en) * | 2021-06-15 | 2021-08-24 | 黄建斌 | Decompression valve and explosion-proof tube air bag weight valve with same |
| CN113700901A (en) * | 2021-08-20 | 2021-11-26 | 上海欧特莱阀门机械有限公司 | Hydraulic control butterfly valve capable of preventing runaway and working quickly |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140101 |