CN207212568U - Energy-storage type water inlet hydraulic butterfly valve - Google Patents
Energy-storage type water inlet hydraulic butterfly valve Download PDFInfo
- Publication number
- CN207212568U CN207212568U CN201720963209.7U CN201720963209U CN207212568U CN 207212568 U CN207212568 U CN 207212568U CN 201720963209 U CN201720963209 U CN 201720963209U CN 207212568 U CN207212568 U CN 207212568U
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- CN
- China
- Prior art keywords
- valve
- water intaking
- intaking valve
- butterfly valve
- connection pipe
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Lift Valve (AREA)
- Hydraulic Turbines (AREA)
Abstract
The utility model discloses a kind of energy-storage type water inlet hydraulic butterfly valve, including servomotor, upstream extension, downstream connection pipe and water intaking valve；The servomotor is located at the outside of the water intaking valve, and connects with the butterfly plate in water intaking valve and drive its opening and closing；The water intaking valve is located between the upstream extension and downstream connection pipe；Water intaking valve expansion bend is provided between the water intaking valve and downstream connection pipe；The upstream extension and downstream connection pipe are communicated by bypass conduit；Hand-operated butterfly valve and electric butterfly valve are provided with the bypass line, the Hand-operated butterfly valve is located at the left side of the electric butterfly valve；The side of the electric butterfly valve is provided with bypass expansion bend；An air valve is provided with the top of the downstream connection pipe.The utility model closes water intaking valve when unit is shut down for a long time, can reduce unit and wriggle and reduce the available machine time, can promptly move water and close water intaking valve, protect the safety of unit.
Description
Technical field
It the utility model is related to a kind of hydraulic turbine, more particularly to a kind of energy-storage type water turbine water-feeding hydraulic butterfly valve.
Background technology
Existing hydraulic butterfly valve, when accident occurs for flywheel unit, easily produce and fly ease phenomenon, can not carry out promptly moving water
Water intaking valve is closed, unit is had a huge impact, and the normal work of other units can be influenceed after unit is closed.
Utility model content
The purpose of this utility model is that solve the problems of the prior art, there is provided a kind of energy-storage type water inlet hydraulic butterfly valve.
The technical solution of the utility model is：A kind of energy-storage type water inlet hydraulic butterfly valve, it is characterised in that：Including servomotor,
Upstream extension, downstream connection pipe and water intaking valve；The servomotor be located at the water intaking valve outside, and with the butterfly in water intaking valve
Plate, which connects, drives its opening and closing；The water intaking valve is located between the upstream extension and downstream connection pipe；The water intaking valve is with
Water intaking valve expansion bend is provided between trip connecting tube；The upstream extension and downstream connection pipe are communicated by bypass conduit；
The bypass line is provided with Hand-operated butterfly valve and electric butterfly valve, and the Hand-operated butterfly valve is located at the left side of the electric butterfly valve；The electricity
The side of dynamic butterfly valve is provided with bypass expansion bend；An air valve is provided with the top of the downstream connection pipe.
Preferably, in addition to a difference gauge, the difference gauge are located at the top of the water intaking valve.
Preferably, the bottom symmetrical of the water intaking valve is provided with mounting seat.
Preferably, the servomotor is hydraulic cylinder or cylinder.
Preferably, the bypass expansion bend includes telescopic stand, telescoping tube and sealing ring；The telescopic stand and the bypass pipe
End face connect, the telescoping tube is connected by the sealing ring with the telescopic stand.
Preferably, the water intaking valve expansion bend includes water intaking valve telescopic stand, water intaking valve telescoping tube and water inlet valve seals；Institute
The end face that water intaking valve telescopic stand is stated with the water intaking valve connects, the water intaking valve telescoping tube by it is described water inlet valve seals with
The water intaking valve telescopic stand connects.
Preferably, the water intaking valve telescopic stand connects with the end face of the water intaking valve, the water intaking valve telescoping tube and institute
Downstream connection pipe is stated to connect.
The utility model has the advantages that：
1) when water turbine set accident flies ease, promptly dynamic water closes water intaking valve, protects the safety of unit；
2) in the power station of a pipe multimachine, when a unit failure need to overhaul, the water intaking valve closed before the unit
Carry out service work, the normal work without influenceing other units；
3) water intaking valve is closed when unit is shut down for a long time, unit can be reduced and wriggle and reduce the available machine time；
4) bypass line service valve typically uses Hand-operated butterfly valve, and control valve typically uses electric butterfly valve, can pacified according to user
Full type of drive configures to it.
Brief description of the drawings
Fig. 1 is side view of the present utility model；
Fig. 2 is that the utility model removes the schematic diagram that upstream connects extension.
Embodiment
In order that technological means, technical characteristic, purpose of utility model and technique effect that the utility model is realized are easy to bright
It is white to understand, with reference to being specifically illustrating, the utility model is expanded on further.
As depicted in figs. 1 and 2, it is a kind of energy-storage type water inlet hydraulic butterfly valve of the present utility model, including servomotor 1, upstream
Extension 2, downstream connection pipe 3 and water intaking valve 4；The servomotor 1 is hydraulic cylinder or cylinder in the present embodiment, located at it is described enter
The outside of water valve 4, and connect with the butterfly plate in water intaking valve 4, butterfly plate is driven by servomotor 1 to realize beating for control water intaking valve 4
Open and close are closed；The water intaking valve 4 is located between the upstream extension 2 and downstream connection pipe 3.
Water intaking valve expansion bend 5 is provided between water intaking valve 4 and downstream connection pipe 3 in the utility model, the water intaking valve is stretched
Contracting device 5 includes water intaking valve telescopic stand (not shown), water intaking valve telescoping tube and water inlet valve seals；The water intaking valve telescopic stand
Connect with the end face of the water intaking valve, the water intaking valve telescoping tube is stretched by the water inlet valve seals with the water intaking valve
Seat connects.Specific connected mode is that the water intaking valve telescopic stand connects with the end face of the water intaking valve 4, the water intaking valve
Telescoping tube connects with the downstream connection pipe 3.
The upstream extension 2 and downstream connection pipe 3 are communicated by bypass conduit 6；Hand is provided with the bypass line 6
Dynamic butterfly valve 60 and electric butterfly valve 61, the Hand-operated butterfly valve 60 are located at the left side of the electric butterfly valve 61；The electric butterfly valve 61
Side is provided with bypass expansion bend 62.
The bypass expansion bend 62 includes telescopic stand, telescoping tube and sealing ring (not shown)；The telescopic stand and institute
The end face for stating bypass line 6 connects, and the telescoping tube is connected by the sealing ring with the telescopic stand.
In the utility model, an air valve 7 is provided with the top of the downstream connection pipe 3.In addition, the utility model also wraps
A difference gauge 8 is included, the difference gauge 8 is located at the top of the water intaking valve 4.
The bottom symmetrical of the water intaking valve 4 is provided with mounting seat 40, is easy to the utility model being arranged on the phase of water turbine set
Answer position.
Operation principle of the present utility model is as follows：
1. during valve opening, starting Oil pump electrical machinery group, oil pump stops after pressure oil is inputted into energy storage tank to rated pressure, opens other
Port valve, pipeline medium enter the transition of spiral case by bypass line, and air valve is vented automatically, treat that water intaking valve is front and rear and press
When power difference reaches setting value, hydraulic locking oil cylinder electromagnetism valve events, hydraulic lock assembly is released.Water intaking valve straight-cylinder waves relay
Device electromagnetism valve events, pressure oil wave servomotor rodless cavity into straight-cylinder, drive water intaking valve crank, valve shaft to rotate, valve opening.
Standard-sized sheet in place after, close by-passing valve.
2. close valve, water intaking valve straight-cylinder waves the commutation of servomotor magnetic valve, and pressure oil straight-cylinder waves servomotor rod chamber, valve
Door is closed, after closing in place, the commutation of hydraulic locking oil cylinder magnetic valve, and hydraulic lock assembly input.
3. the flow speed control valve that the total travel time of water intaking valve valve opening or pass valve can adjust on hydraulic circuit is realized.
Switch valve program is as follows：
1. valve opening
Open by-passing valve → releasing hydraulic locking → opening water intaking valve → by-passing valve and close hydraulic locking input.
2. close valve
Release hydraulic locking → closing water intaking valve → hydraulic locking input.
The utility model has the advantages that：
1) when water turbine set accident flies ease, promptly dynamic water closes water intaking valve, protects the safety of unit；
2) in the power station of a pipe multimachine, when a unit failure need to overhaul, the water intaking valve closed before the unit
Carry out service work, the normal work without influenceing other units；
3) water intaking valve is closed when unit is shut down for a long time, unit can be reduced and wriggle and reduce the available machine time；
4) bypass line service valve typically uses Hand-operated butterfly valve, and control valve typically uses electric butterfly valve, can pacified according to user
Full type of drive configures to it.
It is only the utility model preferred embodiment in summary, is not used for limiting practical range of the present utility model.
The equivalence changes and modification that i.e. all contents according to present utility model application the scope of the claims are made, should all belong to skill of the present utility model
Art category.
Claims (7)
- The hydraulic butterfly valve 1. energy-storage type is intake, it is characterised in that：Including servomotor, upstream extension, downstream connection pipe and water intaking valve； The servomotor is located at the outside of the water intaking valve, and connects with the butterfly plate in water intaking valve and drive its opening and closing；The water intaking valve is set Between the upstream extension and downstream connection pipe；Water intaking valve expansion bend is provided between the water intaking valve and downstream connection pipe； The upstream extension and downstream connection pipe are communicated by bypass conduit；Hand-operated butterfly valve and electronic is provided with the bypass line Butterfly valve, the Hand-operated butterfly valve are located at the left side of the electric butterfly valve；The side of the electric butterfly valve is provided with bypass expansion bend；Institute The top for stating downstream connection pipe is provided with an air valve.
- The hydraulic butterfly valve 2. energy-storage type according to claim 1 is intake, it is characterised in that：Also include a difference gauge, the difference Pressure meter is positioned at the top of the water intaking valve.
- The hydraulic butterfly valve 3. energy-storage type according to claim 1 is intake, it is characterised in that：The bottom symmetrical of the water intaking valve is set There is mounting seat.
- The hydraulic butterfly valve 4. energy-storage type according to claim 1 is intake, it is characterised in that：The servomotor is hydraulic cylinder or gas Cylinder.
- The hydraulic butterfly valve 5. energy-storage type according to claim 1 is intake, it is characterised in that：The bypass expansion bend includes flexible Seat, telescoping tube and sealing ring；The telescopic stand connects with the end face of the bypass pipe, and the telescoping tube passes through the sealing ring Connect with the telescopic stand.
- The hydraulic butterfly valve 6. energy-storage type according to claim 1 is intake, it is characterised in that：The water intaking valve expansion bend include into Water valve telescopic stand, water intaking valve telescoping tube and water inlet valve seals；The end face phase of the water intaking valve telescopic stand and the water intaking valve Connect, the water intaking valve telescoping tube is connected by the water inlet valve seals with the water intaking valve telescopic stand.
- The hydraulic butterfly valve 7. energy-storage type according to claim 1 is intake, it is characterised in that：The water intaking valve telescopic stand with it is described The end face of water intaking valve connects, and the water intaking valve telescoping tube connects with the downstream connection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720963209.7U CN207212568U (en) | 2017-08-03 | 2017-08-03 | Energy-storage type water inlet hydraulic butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720963209.7U CN207212568U (en) | 2017-08-03 | 2017-08-03 | Energy-storage type water inlet hydraulic butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207212568U true CN207212568U (en) | 2018-04-10 |
Family
ID=61817223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720963209.7U Active CN207212568U (en) | 2017-08-03 | 2017-08-03 | Energy-storage type water inlet hydraulic butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207212568U (en) |
-
2017
- 2017-08-03 CN CN201720963209.7U patent/CN207212568U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |