CN107401537A - A kind of dead electricity closes valve hydraulic station - Google Patents
A kind of dead electricity closes valve hydraulic station Download PDFInfo
- Publication number
- CN107401537A CN107401537A CN201710585981.4A CN201710585981A CN107401537A CN 107401537 A CN107401537 A CN 107401537A CN 201710585981 A CN201710585981 A CN 201710585981A CN 107401537 A CN107401537 A CN 107401537A
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- Prior art keywords
- oil
- line
- valve
- reserve tank
- fuel reserve
- Prior art date
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- Granted
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- 230000005611 electricity Effects 0.000 title claims abstract description 20
- 239000000446 fuel Substances 0.000 claims abstract description 39
- 239000003921 oil Substances 0.000 claims description 176
- 230000001105 regulatory effect Effects 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 14
- 238000009825 accumulation Methods 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 239000010727 cylinder oil Substances 0.000 claims 1
- 230000008676 import Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000010720 hydraulic oil Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/002—Electrical failure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/027—Installations or systems with accumulators having accumulator charging devices
- F15B1/033—Installations or systems with accumulators having accumulator charging devices with electrical control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
- F15B1/265—Supply reservoir or sump assemblies with pressurised main reservoir
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
- F15B2013/0448—Actuation by solenoid and permanent magnet
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses a kind of dead electricity to close valve hydraulic station, including fuel reserve tank, perform oil cylinder, preposition main in-line and accumulator, the preposition main in-line includes electric oil pump, main in line check valve and the preceding in-line being sequentially communicated, and accumulator is communicated to preceding in-line；Preceding in-line passes sequentially through first and enters solenoid and the first in line check valve is communicated to the first oil pocket, and the second oil pocket is communicated to fuel reserve tank by the first oil return line；Preceding in-line, which passes sequentially through second and enters solenoid, the second in line check valve and rearmounted check valve, is communicated to the second oil pocket, the first oil pocket fuel reserve tank is communicated to by the second oil return line.The beneficial effects of the invention are as follows：Can using the action for performing oil cylinder realize state switch, so as to external equipment carry out open and close control, when power is off, can adjust automatically perform oil cylinder state, external equipment is closed, energy effective guarantee security.
Description
Technical field
The invention belongs to hydraulic system technical field, more particularly to a kind of dead electricity to close valve hydraulic station.
Background technology
At present, conventional energy accumulation type hydraulic station is usually to use single hydraulic circuit and Double-hydraulic oil circuit control loop, to
Switch opening, the closed mode of external equipment.Existing energy accumulation type hydraulic station, though it can close or emergency shutdown device,
But premise could be operated in the case where control room has electricity, once because the burst such as weather reason, fault reason is broken
When electric, equipment can be caused to close in time, caused the accident, larger potential safety hazard be present.
The content of the invention
It is an object of the invention to overcome the defect of prior art, and provide a kind of rational in infrastructure, it can utilize and perform oil cylinder
Action realizes that state switches, so as to carry out open and close control to external equipment, when power is off, can adjust automatically perform oil cylinder
State, external equipment is closed, the dead electricity of energy effective guarantee security closes valve hydraulic station.
To achieve these goals, the present invention uses following technical scheme：
A kind of dead electricity closes valve hydraulic station, including fuel reserve tank and execution oil cylinder, and performing oil cylinder has the first oil pocket and the second oil
Chamber, in addition to
Preposition main in-line and accumulator, the preposition main in-line include electric oil pump, the main oil-feed list being sequentially communicated
To valve and preceding in-line, the entrance point of electric oil pump connects with fuel reserve tank, the port of export of electric oil pump and main in line check valve
Connection, accumulator pass through accumulation of energy pipeline connection to preceding in-line；
The preceding in-line passes sequentially through first and enters solenoid and the first in line check valve is communicated to and performs oil cylinder
First oil pocket, the second oil pocket for performing oil cylinder are communicated to fuel reserve tank by the first oil return line, and the first oil return line includes the first oil return
Magnetic valve；
The preceding in-line, which passes sequentially through second and enters solenoid, the second in line check valve and rearmounted check valve, to be communicated to
The second oil pocket of oil cylinder is performed, the first oil pocket for performing oil cylinder is communicated to fuel reserve tank, the second oil return line bag by the second oil return line
Include the second oil return solenoid valve；
First enters solenoid and the first oil return solenoid valve is normally open type magnetic valve, and second enters solenoid and the second oil return
Magnetic valve is normally closed solenoid valve.
Preferably, also including manual in-line, the manual in-line includes hand oil pump, the manual oil being sequentially communicated
Road check valve and hand oil-way oil inlet pipe, the entrance point of hand oil pump connect with fuel reserve tank, the port of export of hand oil pump with manually
Oil circuit check valve connects, and hand oil-way oil inlet pipe connects with preceding in-line.
Preferably, also including hand oil-way pressure gauge, hand oil-way pressure gauge is connected manual by the first signal piping
On oil circuit oil inlet pipe.
Preferably, first oil return line also includes the first return flow regulating valve and performs return flow regulating valve,
Perform the second oil pocket of oil cylinder, perform return flow regulating valve, the first oil return solenoid valve, the first return flow regulating valve and oil storage
Case is sequentially communicated.
Preferably, second oil return line also includes the second return flow regulating valve, perform oil cylinder the first oil pocket,
Two oil return solenoid valves, the second return flow regulating valve and fuel reserve tank are sequentially communicated.
Preferably, the fuel reserve tank is provided with liquid level liquid thermometer and the exchange gas port being in communication with the outside, exchange at gas port
Provided with air cleaner.
Preferably, also including the first protection pipeline, the first protection pipeline is provided with pressure controller, and electric oil pump goes out
Mouth end is connected by pipeline before oil pumping with main in line check valve, pipeline before first protection pipeline one end connection oil pumping, the first protection
The pipeline other end connects with fuel reserve tank.
Preferably, also including the second protection pipeline, the second protection pipeline is provided with overflow valve, second protection pipeline one end
In-line before connection, the second protection pipeline other end connect with fuel reserve tank.
Preferably, the manual in-line also includes electro connecting pressure gauge, electro connecting pressure gauge passes through the second detection pipe
Road connection the second protection pipeline.
Preferably, also include travel switch, travel switch keeping Switch main body, at least one movable contact and at least two
Stationary contact, stationary contact are arranged on Switch main body, and movable contact is arranged on the piston rod for performing oil cylinder.
The beneficial effects of the invention are as follows：It is rational in infrastructure, it can realize that state switches using the action for performing oil cylinder, so as to right
External equipment carry out open and close control, when power is off, can adjust automatically perform oil cylinder state, external equipment is closed, energy
Effective guarantee security.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the enlarged drawing at A in Fig. 1.
In figure：Fuel reserve tank 1, liquid level liquid thermometer 11, air cleaner 12, first protect pipeline 13, pressure controller 131,
Second protection pipeline 14, overflow valve 141, perform oil cylinder 2, the first oil pocket 2a, the second oil pocket 2b, accumulator 3, accumulation of energy pipeline 31,
Pipeline 44, first enter solenoid 51, the first oil-feed before electric oil pump 41, main in line check valve 42, preceding in-line 43, oil pumping
Check valve 52, the first oil return solenoid valve 53, the first return flow regulating valve 54, execution return flow regulating valve 55, the second oil-feed
Magnetic valve 61, the second in line check valve 62, rearmounted check valve 63, the second oil return solenoid valve 64, the second return flow regulating valve 65,
Hand oil pump 71, hand oil-way check valve 72, hand oil-way oil inlet pipe 73, hand oil-way pressure gauge 74, the first signal piping 75,
Electro connecting pressure gauge 81, the second signal piping 82, travel switch 9, Switch main body 91, movable contact 92, stationary contact 93.
Embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
In embodiment as shown in Figure 1 to Figure 2, a kind of dead electricity closes valve hydraulic station, including fuel reserve tank 1 and execution oil cylinder 2, holds
Row oil cylinder has the first oil pocket 2a and the second oil pocket 2b, in addition to
Preposition main in-line and accumulator 3, the preposition main in-line include be sequentially communicated electric oil pump 41, main oil-feed
Check valve 42 and preceding in-line 43, the entrance point of electric oil pump connect with fuel reserve tank, the port of export of electric oil pump and main oil-feed
Check valve connects, and accumulator is communicated to preceding in-line by accumulation of energy pipeline 31；
The preceding in-line passes sequentially through first and enters the in line check valve 52 of solenoid 51 and first and be communicated to perform oil
First oil pocket of cylinder, the second oil pocket for performing oil cylinder are communicated to fuel reserve tank by the first oil return line, and the first oil return line includes first
Oil return solenoid valve 53；
The preceding in-line passes sequentially through second and enters solenoid 61, the second in line check valve 62 and rearmounted check valve 63
The second oil pocket for performing oil cylinder is communicated to, the first oil pocket of oil cylinder is performed and fuel reserve tank is communicated to by the second oil return line, second time
Oil circuit includes the second oil return solenoid valve 64；
First enters solenoid and the first oil return solenoid valve is normally open type magnetic valve, and second enters solenoid and the second oil return
Magnetic valve is normally closed solenoid valve.
Oil cylinder of the oil cylinder as a routine is performed, it includes cylinder body, piston and piston rod, and piston separates cylinder interior
Into two oil pockets, in the present invention, respectively the first oil pocket and the second oil pocket 2b.
Also include manual in-line, hand oil pump 71, the hand oil-way that the manual in-line includes being sequentially communicated are unidirectional
Valve 72 and hand oil-way oil inlet pipe 73, the entrance point of hand oil pump connect with fuel reserve tank, the port of export of hand oil pump and oil manually
Road check valve connection, hand oil-way oil inlet pipe connect with preceding in-line.During power-off, if it is desired to manipulated to performing oil cylinder,
Manually oil pump it can then be pumped from fuel reserve tank, hydraulic oil is through hand oil-way check valve, hand oil-way oil inlet pipe and preceding
In-line enters the first oil pocket.
The manual in-line also includes hand oil-way pressure gauge 74, and hand oil-way pressure gauge passes through the first signal piping 75
Connect on hand oil-way oil inlet pipe.Hand oil-way pressure gauge can display system pressure, auxiliary operator observation parameter it is whether normal.
Also include electro connecting pressure gauge 81, electro connecting pressure gauge connects preceding in-line by the second signal piping 82.Electricity
Contact pressure meter pressure table can display system pressure, auxiliary operator observation parameter it is whether normal.
First oil return line also includes the first return flow regulating valve 54 and performs return flow regulating valve 55, performs oil
Second oil pocket of cylinder, perform return flow regulating valve, the first oil return solenoid valve, the first return flow regulating valve and fuel reserve tank successively
Connection.First return flow regulating valve, execution return flow regulating valve can adjust the oil return speed of the first oil return line.
Second oil return line also includes the second return flow regulating valve 65, performs the first oil pocket, the second oil return of oil cylinder
Magnetic valve, the second return flow regulating valve and fuel reserve tank are sequentially communicated.Second return flow regulating valve can adjust the second oil return
The oil return speed on road.
The fuel reserve tank is provided with liquid level liquid thermometer 11 and the exchange gas port being in communication with the outside, and exchanges and is provided with air at gas port
Cleaner 12.Liquid level liquid thermometer can show liquid level and temperature, beneficial to monitoring and ensure safety.
Also include the first protection pipeline 13, the first protection pipeline is provided with pressure controller 131, the port of export of electric oil pump
Connected by pipeline before oil pumping 44 with main in line check valve, pipeline before first protection pipeline one end connection oil pumping, the first protection pipe
The road other end connects with fuel reserve tank.The residing height of pressure controller is residing higher than liquid level in fuel reserve tank highly, pressure controller
Can be by direction for by the port of export of electric oil pump to main in line check valve.Pressure controller can control system pressure, ensure work
Security during work.
Also include the second protection pipeline 14, the second protection pipeline is provided with overflow valve 141, second protection pipeline one end connection
Preceding in-line, the second protection pipeline other end connect with fuel reserve tank.The residing height of pressure controller is higher than liquid level in fuel reserve tank
Residing height, overflow valve can be by preceding in-line to overflow valve by direction.Overflow valve can safeguards system be in safe pressure
Under power.
Also include travel switch 9, travel switch keeping Switch main body 91, the stationary contact of at least one movable contact 92 and at least two
Point 93, stationary contact is arranged on Switch main body, and movable contact is arranged on the piston rod for performing oil cylinder.Using perform oil cylinder piston and
The movement of piston rod, is aided with travel switch, and the external equipment control of system/(travel switch can be considered external equipment/can be achieved and be
The signal source of system).
By taking visual angle in Fig. 1, Fig. 2 as an example, in use, the open and close shape for opening control external equipment/system using being formed
State.The piston that setting performs oil cylinder has left and right two extreme positions, when piston is moved to limit on the left position, in piston rod
Drive under, movable contact reaches the closed position of setting, and travel switch control external equipment/system is closed, when piston is moved to
During limit on the right-right-hand limit position, under the drive of piston rod, movable contact reaches the open position of setting, and travel switch control external equipment/
System opens (startup).It is pointed out that outside here set/system is broad sense, can be equipment, system, valve
Etc..
Usually, first enters solenoid and the first oil return solenoid valve is normally opened, and second enters solenoid and the second oil return electromagnetism
Valve is normally closed.During work, each magnetic valve obtain it is electric, first enter solenoid and the first oil return solenoid valve by it is normally opened become it is normally closed, second enters
Solenoid and the second oil return solenoid valve become normally opened by normally closed.Electric oil pump starts buy oil (hydraulic oil), by hydraulic pressure in fuel reserve tank
Oil inputs accumulator through accumulation of energy pipeline, and accumulator completes accumulation of energy.Meanwhile in fuel reserve tank hydraulic oil through preposition main in-line, second
Enter the second oil pocket that solenoid, the second in line check valve and the input of rearmounted check valve perform oil cylinder, and the liquid in the first oil pocket
Force feed flows back to fuel reserve tank through the second oil return solenoid valve, the second return flow regulating valve, so as to which piston moves right, when piston moves
When moving limit on the right-right-hand limit position, under the drive of piston rod, movable contact reaches the open position of setting, and travel switch sends opening letter
Number, external equipment/system opens (startup).When unexpected power-off, first enters solenoid and the first oil return solenoid valve returns to often
Open state, second enters solenoid and the second oil return solenoid valve returns to normally off, and now, the hydraulic oil in accumulator is through accumulation of energy
Pipeline, first enter solenoid, the first in line check valve the first oil pocket of input, and the hydraulic oil in the second oil pocket is through performing oil return
Flow control valve, the first oil return solenoid valve, the first return flow regulating valve flow back to fuel reserve tank, so as to which piston is moved to the left, and works as work
When plug is moved to limit on the left position, under the drive of piston rod, movable contact reaches the closed position of setting, and travel switch sends pass
Signal is closed, external equipment/system is closed.
Claims (10)
1. a kind of dead electricity closes valve hydraulic station, including fuel reserve tank and execution oil cylinder, performing oil cylinder has the first oil pocket and the second oil pocket,
It is characterized in that in addition to
Preposition main in-line and accumulator, the preposition main in-line include electric oil pump, the main in line check valve being sequentially communicated
And preceding in-line, the entrance point of electric oil pump connect with fuel reserve tank, the port of export of electric oil pump connects with main in line check valve,
Accumulator passes through accumulation of energy pipeline connection to preceding in-line；
The preceding in-line passes sequentially through first and enters solenoid and the first in line check valve is communicated to and performs the first of oil cylinder
Oil pocket, the second oil pocket for performing oil cylinder are communicated to fuel reserve tank by the first oil return line, and the first oil return line includes the first oil return electromagnetism
Valve；
The preceding in-line, which passes sequentially through second and enters solenoid, the second in line check valve and rearmounted check valve, is communicated to execution
Second oil pocket of oil cylinder, perform the first oil pocket of oil cylinder and fuel reserve tank is communicated to by the second oil return line, the second oil return line includes the
Two oil return solenoid valves；
First enters solenoid and the first oil return solenoid valve is normally open type magnetic valve, and second enters solenoid and the second oil return electromagnetism
Valve is normally closed solenoid valve.
2. a kind of dead electricity according to claim 1 closes valve hydraulic station, it is characterized in that, in addition to manual in-line, the hand
Dynamic in-line includes hand oil pump, hand oil-way check valve and the hand oil-way oil inlet pipe being sequentially communicated, the import of hand oil pump
End connects with fuel reserve tank, and the port of export of hand oil pump connects with hand oil-way check valve, hand oil-way oil inlet pipe and preceding oil inlet pipe
Road connects.
3. a kind of dead electricity according to claim 2 closes valve hydraulic station, it is characterized in that, in addition to hand oil-way pressure gauge, hand
Dynamic oil circuit pressure table is connected on hand oil-way oil inlet pipe by the first signal piping.
4. a kind of dead electricity according to claim 1 or 2 or 3 closes valve hydraulic station, it is characterized in that, first oil return line also wraps
Include the first return flow regulating valve and perform return flow regulating valve, perform the second oil pocket of oil cylinder, perform return flow regulation
Valve, the first oil return solenoid valve, the first return flow regulating valve and fuel reserve tank are sequentially communicated.
5. a kind of dead electricity according to claim 1 closes valve hydraulic station, it is characterized in that, second oil return line also includes second
Return flow regulating valve, perform the first oil pocket, the second oil return solenoid valve, the second return flow regulating valve and the fuel reserve tank of oil cylinder according to
Secondary connection.
6. a kind of dead electricity according to claim 1 closes valve hydraulic station, it is characterized in that, the fuel reserve tank is provided with liquid level liquid temperature
The exchange gas port counted and be in communication with the outside, exchange and be provided with air cleaner at gas port.
7. a kind of dead electricity according to claim 1 closes valve hydraulic station, it is characterized in that, in addition to the first protection pipeline, first
Protection pipeline is provided with pressure controller, and the port of export of electric oil pump is connected by pipeline before oil pumping with main in line check valve, the
Pipeline before one protection pipeline one end connection oil pumping, the first protection pipeline other end connect with fuel reserve tank.
8. a kind of dead electricity according to claim 1 closes valve hydraulic station, it is characterized in that, in addition to the second protection pipeline, second
Protection pipeline is provided with overflow valve, in-line before second protection pipeline one end connection, the second protection pipeline other end and oil storage
Case connects.
9. a kind of dead electricity according to claim 8 closes valve hydraulic station, it is characterized in that, the manual in-line also connects including electricity
Point pressure table, electro connecting pressure gauge pass through the second signal piping connection the second protection pipeline.
10. a kind of dead electricity according to claim 1 closes valve hydraulic station, it is characterized in that, in addition to travel switch, travel switch
Keeping Switch main body, at least one movable contact and at least two stationary contacts, stationary contact are arranged on Switch main body, and movable contact is set
On the piston rod for performing oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710585981.4A CN107401537B (en) | 2017-07-18 | 2017-07-18 | A kind of power loss pass valve hydraulic station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710585981.4A CN107401537B (en) | 2017-07-18 | 2017-07-18 | A kind of power loss pass valve hydraulic station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107401537A true CN107401537A (en) | 2017-11-28 |
| CN107401537B CN107401537B (en) | 2019-02-01 |
Family
ID=60400954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710585981.4A Active CN107401537B (en) | 2017-07-18 | 2017-07-18 | A kind of power loss pass valve hydraulic station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107401537B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578370A (en) * | 2018-12-05 | 2019-04-05 | 淮南市金德实业有限公司 | A kind of combined liquid press mechanism that resin anchoring agent produces and uses |
| CN110925254A (en) * | 2019-11-27 | 2020-03-27 | 中车长江车辆有限公司 | Pneumatic hydraulic safety system |
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| CN1644934A (en) * | 2004-12-31 | 2005-07-27 | 杭州和利时自动化有限公司 | Self-capacitance electrohydraulic actuator and integrated oil path block |
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| US20150082784A1 (en) * | 2012-03-22 | 2015-03-26 | U-Tec Co., Ltd. | Flushing circuit for hydraulic cylinder drive circuit |
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| CN204704167U (en) * | 2015-06-03 | 2015-10-14 | 浙江伟光泵阀制造有限公司 | Double loop energy storage type hydraulic control slow closing valve hydraulic station |
| CN204900376U (en) * | 2015-08-20 | 2015-12-23 | 株式会社福山 | Gas -liquid linkage actuating mechanism's oil pressure control system |
| CN207080428U (en) * | 2017-07-18 | 2018-03-09 | 浙江伟光泵阀制造有限公司 | Dead electricity closes valve hydraulic station |
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| CN109578370A (en) * | 2018-12-05 | 2019-04-05 | 淮南市金德实业有限公司 | A kind of combined liquid press mechanism that resin anchoring agent produces and uses |
| CN110925254A (en) * | 2019-11-27 | 2020-03-27 | 中车长江车辆有限公司 | Pneumatic hydraulic safety system |
| WO2021103578A1 (en) * | 2019-11-27 | 2021-06-03 | 中车长江车辆有限公司 | Pneumatic hydraulic safety system |
| CN110925254B (en) * | 2019-11-27 | 2022-10-04 | 中车长江车辆有限公司 | Pneumatic hydraulic safety system |
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