CN204692720U - Valve gas-liquid linkage actuator - Google Patents
Valve gas-liquid linkage actuator Download PDFInfo
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- CN204692720U CN204692720U CN201520414496.7U CN201520414496U CN204692720U CN 204692720 U CN204692720 U CN 204692720U CN 201520414496 U CN201520414496 U CN 201520414496U CN 204692720 U CN204692720 U CN 204692720U
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Abstract
The utility model relates to a kind of valve gas-liquid linkage actuator, comprise be connected with valve actuator, control gas-liquid control module that actuator works and electric control box, actuator is fork type oil hydraulic cylinder, and it comprises oil hydraulic cylinder and shift fork case; Gas-liquid control module comprises the valve opening gas-liquid tank and valve closing gas-liquid tank and gas control module that vertically arrange, valve opening gas-liquid tank and valve closing gas-liquid tank are connected with oil hydraulic cylinder respectively and for hydraulic control cylinder working, gas control module is for driving the hydraulic circuit in valve opening gas-liquid tank and valve closing gas-liquid tank; Gas control module comprises gas holder and the gas control valve assembly of horizontal positioned, and Pneumatic valve assembly comprises one and connects the power suction port of gas holder and two connecting tubes being connected valve opening gas-liquid tank and valve closing gas-liquid tank respectively; One end of gas holder is provided with blowdown assembly.The purpose of this utility model is to provide a kind of intelligentized valve gas-liquid linkage actuator, and this valve gas-liquid linkage actuator intelligence degree is high, stable, reliable, long service life.
Description
Technical field
The utility model relates to a kind of valve actuator, is specifically related to a kind of valve gas-liquid linkage actuator.
Background technique
Along with the fast development of Chinese national economy, electric power and energy industry become the pillar industry of China.In thermoelectricity plant, the Turbo-generator Set being in heart status is key equipment; On energy line, oil and gas conveying is the lifeblood of national economy; In mining industry and tunnel test base and above-mentioned place, or the place such as other high safety, how to ensure that upstream equipment runs safe, stable, reliably most important, therefore be badly in need of a kind of intelligentized, stable, reliable, the valve actuator of long service life, meets the needs of current social.
Model utility content
The purpose of this utility model is to provide a kind of intelligentized valve gas-liquid linkage actuator, and this valve gas-liquid linkage actuator intelligence degree is high, stable, reliable, long service life.
To achieve these goals, the technical solution adopted in the utility model is: a kind of valve gas-liquid linkage actuator, comprise be connected with valve actuator, control gas-liquid control module that actuator works and electric control box, it is characterized in that: described actuator is fork type oil hydraulic cylinder, it comprises oil hydraulic cylinder and shift fork case; Described gas-liquid control module comprises the valve opening gas-liquid tank and valve closing gas-liquid tank and gas control module that vertically arrange, described valve opening gas-liquid tank and valve closing gas-liquid tank are connected with oil hydraulic cylinder respectively and for hydraulic control cylinder working, described gas control module is for driving the hydraulic circuit in valve opening gas-liquid tank and valve closing gas-liquid tank; Described gas control module comprises gas holder and the gas control valve assembly of horizontal positioned, and described Pneumatic valve assembly comprises one and connects the power suction port of gas holder and two connecting tubes being connected valve opening gas-liquid tank and valve closing gas-liquid tank respectively; One end of described gas holder is provided with blowdown assembly, described blowdown assembly comprises blowdown block, blowdown block and gas holder are for being threaded, described blowdown block center is provided with the drain outlet be communicated with inside and outside gas holder, the dirt inlet of described drain outlet is provided with the drain pipe stretched into bottom gas holder, the dirt-discherging outlet of described drain outlet is provided with blowdown valve, and described drain pipe is connected with blowdown block by a straight coupling.
By adopting technique scheme, during the work of this gas-liquid linkage actuator, its actuator is connected with valve, and drive actuator to work by gas-liquid control module, electric control box is for controlling the operation of whole equipment and carrying out setting parameter, actuator is made up of the shift fork case of oil hydraulic cylinder and all-weather protective, and shift fork case can convert the straight line motion of oil hydraulic cylinder to rotary motion; Gas-liquid control module comprises valve opening gas-liquid tank and valve closing gas-liquid tank, valve opening gas-liquid tank and valve closing gas-liquid tank are connected to the two ends of hydraulic cylinder stroke, be respectively used to the opening and closing of control valve, this valve opening gas-liquid tank and the work of valve closing gas-liquid tank are driven by gas control module; Gas control module comprises gas holder and gas control valve assembly, and gas holder is used for providing aerodynamic force, and the aerodynamic force that Pneumatic valve assembly provides for distributing gas holder realizes intelligentized control, and its working stability is reliable; Also arrange blowdown assembly in gas holder, for removing the refuse produced in gas holder using process, this blowdown assembly adopts siphon blowdown technology, realizes gas holder not perforate blowdown, strengthens the Security of system.
The utility model is also set to further, also comprises the pressure-detecting device of testing pipes internal pressure, and described pressure-detecting device is connected with electric control box; When pressure-detecting device detects that manifold pressure is abnormal, by the keying of electric control box control valve.
By adopting technique scheme, pressure-detecting device above gas-liquid linkage actuator is by the pressure inlet tube testing pipes pressure with pipeline UNICOM, if pipeline pressure has abnormal variation, such as pressure is below or above setting value, when pressure drop rate is higher than setting value, electronic unit can judge that pipeline conditions is abnormal, the then keying of control valve automatically.
The utility model is also set to further, described blowdown block is also provided with the overflow ducts inside and outside a connection gas holder, and described overflow ducts outlet port is provided with safety overflow valve.
By adopting technique scheme, strengthening the Security of whole system, preventing pressure in gas holder excessive.
The utility model is also set to further, is respectively equipped with one-way throttle valve in the connecting pipeline of described valve opening gas-liquid tank and valve closing gas-liquid tank and oil hydraulic cylinder.
By adopting technique scheme, relying on the adjustable oil mass flowing into the oil of valve opening gas-liquid tank and valve closing gas-liquid tank from oil hydraulic cylinder of one-way throttle valve, the travel time of adjustment actuating mechanism, realizing precisely, flexibly controlling.
The utility model is also set to further, described Pneumatic valve assembly includes body, the connecting passage of the power suction port be located on body, gas discharge outlet, connection power suction port and gas discharge outlet, be provided with the control piece of two groups of conductings or shutoff connecting passage in connecting passage, control piece place be provided with can with the connecting tube of connecting passage conducting or isolation.
By adopting technique scheme, as the actuator of gas-liquid linkage actuator, in use, power gas source is entered by the power suction port of body, when connecting passage is closed by group control piece of wherein, the power suction port of body and gas discharge outlet are isolated, and now can impel connecting passage and connecting tube conducting, the air pressure entered by power suction port then can enter in connecting tube due to connecting passage, then approach connecting tube enters in the gas-liquid tank that is connected with connecting tube, implement to drive to the medium in gas-liquid tank, the actuator in gas-liquid linkage actuator is made to open or close, the operation to gas-liquid linkage actuator is completed with this, it is simple that structure is set like this, combine without the need to multiple pneumatic control valve, thus reduce rate of breakdown, and specific coordinating between control piece with body, air pressure can be made to reach 12MPa.
The utility model is also set to further, described control piece and body are that vertical configuration is arranged, axial one end of control piece is drive end, the other end is mounting end, control end is provided with between mounting end and drive end, its control end place is provided with spool, the axial two ends of spool are respectively equipped with sealing seat, connected by connecting rod between two sealing seats, and the tapered setting in the joint of two sealing seats and connecting rod, the installation place that body is positioned at spool be provided with can with the valve seat of seal spool, connecting tube is in this valve seat place, and be vertical setting with spool, the drive end place that body is positioned at control piece is provided with construction opening and moves passage with guide's gas drive of construction opening vertical connection, the drive end of control piece includes the guide piston be located in construction opening, axial one end place of this guide piston offers propellant import, the other end is provided with the pilot hole moving channel conductive with guide's gas drive, propellant import and pilot hole conducting, and guide piston is connected with valve spool, the mounting end place of control piece is provided with the plug screw be connected with body, is provided with spring between plug screw and spool.
The utility model is also set to further, the manual actuator that guide piston can be impelled to be connected with valve spool is provided with in the construction opening of described body, this manual actuator includes the fitting seat be installed in construction opening, be set up in the catch bar on fitting seat, can conflict with guide piston and coordinate in axial one end of catch bar, the other end is provided with manual lever, is provided with Compress Spring between catch bar and fitting seat.
By adopting technique scheme, it is simple that structure is set like this, rationally, when control piece needs implementation, by injecting air pressure to the propellant inlet of guide piston, guide's gas drive that air pressure enters into body by pilot hole is moved in passage, air pressure is implemented to drive to spool, spool is moved towards mounting end, by connecting passage shutoff, the power suction port of body and gas discharge outlet is made to be in closed shape, and due to the specific structure of spool, connecting passage now can with connecting tube conducting, make gas-liquid linkage actuator implementation, certainly, also can adopt and manually implement to drive to control piece, by driving manual actuator, catch bar on manual execute key is implemented to drive to guide piston, guide piston is along the construction opening slippage of body, and implement to conflict to spool, spool is moved towards mounting end, can complete equally and connecting passage is closed, the power suction port of body and gas discharge outlet are closed, connecting passage and connecting tube conducting, there is the function of bi-directional drive, effectively can prevent rate of breakdown, the setting that on body, guide's gas drive moves passage can make air pressure can be entered by pilot hole and implement to drive to spool.
The utility model is also set to further, the power suction port of described body and be respectively equipped with filter between air outlet and connecting passage.
By adopting technique scheme, arrange like this can prevent impurity in gas from entering into connecting passage is interior causes clamping stagnation to control piece and affect normal use.
The utility model is also set to further, is provided with safety check in the air outlet of described body.
By adopting technique scheme, arranging like this is to prevent this external barometric pressure from being entered in body the pressure affecting body interior by gas exhaust port.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is left view of the present utility model;
Fig. 3 is plan view of the present utility model;
Fig. 4 is the schematic diagram of gas-liquid systems of the present utility model;
Fig. 5 is the structural representation of the utility model Pneumatic valve assembly;
Fig. 6 is the A portion enlarged view in the utility model Fig. 5.
Number in the figure implication: 100-electric control box; 200-fork type oil hydraulic cylinder; 300-valve opening gas-liquid tank; 400-valve closing gas-liquid tank; 500-gas holder; 600-blowdown block; 700-drain pipe; 800-blowdown valve; 900-straight coupling; 110-safety overflow valve; 120-one-way throttle valve; 130-Pneumatic valve assembly; 1-body; 11-power suction port; 12-gas discharge outlet; 13-connecting passage; 14-connecting tube; 15-valve seat; 16-construction opening; 17-guide's gas drive moves passage; 2-control piece; 21-drive end; 211-guide piston; The import of 212-propellant; 213-pilot hole; 22-mounting end; 221-plug screw; 222-spring; 23-control end; 24-spool; 241-seals seat; 242-connecting rod; 25-mono-control piece; 26-bis-control piece; The manual actuator of 3-; 31-fitting seat; 32-catch bar; 33-Compress Spring; 34-manual lever; 4-filter; 5-safety check; 6-pressure-detecting device.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
Below with reference to Fig. 1 to Fig. 6, the utility model is described.
A kind of valve gas-liquid linkage actuator, comprise be connected with valve actuator, control gas-liquid control module that actuator works and electric control box 100, described actuator is fork type oil hydraulic cylinder 200, and it comprises oil hydraulic cylinder and shift fork case; Described gas-liquid control module comprises the valve opening gas-liquid tank 300 and valve closing gas-liquid tank 400 and gas control module that vertically arrange, described valve opening gas-liquid tank 300 and valve closing gas-liquid tank 400 are connected with oil hydraulic cylinder respectively and for hydraulic control cylinder working, described gas control module is for driving the hydraulic circuit in valve opening gas-liquid tank 300 and valve closing gas-liquid tank 400; Described gas control module comprises gas holder 500 and the gas control valve assembly of horizontal positioned, and described Pneumatic valve assembly comprises one and connects the power suction port 11 of gas holder 500 and two connecting tubes 14 being connected valve opening gas-liquid tank 300 and valve closing gas-liquid tank 400 respectively; One end of described gas holder 500 is provided with blowdown assembly, described blowdown assembly comprises blowdown block 600, blowdown block 600 and gas holder 500 are for being threaded, described blowdown block 600 center is provided with the drain outlet be communicated with inside and outside gas holder 500, the dirt inlet of described drain outlet is provided with the drain pipe 700 stretched into bottom gas holder 500, the dirt-discherging outlet of described drain outlet is provided with blowdown valve 800, and described drain pipe 700 is connected with blowdown block 600 by a straight coupling 900.
By adopting technique scheme, during the work of this gas-liquid linkage actuator final controlling element, its actuator is connected with valve, and drive actuator to work by gas-liquid control module, electric control box 100 is for controlling the operation of whole equipment and carrying out setting parameter, actuator is made up of the fork case of oil hydraulic cylinder and all-weather protective, and shift fork case can convert the straight line motion of oil hydraulic cylinder to rotary motion; Gas-liquid control module comprises valve opening gas-liquid tank 300 and valve closing gas-liquid tank 400, valve opening gas-liquid tank 300 and valve closing gas-liquid tank 400 are connected to the two ends of hydraulic cylinder stroke, be respectively used to the opening and closing of control valve, this valve opening gas-liquid tank 300 and valve closing gas-liquid tank 400 are worked and to be driven by gas control module; Gas control module comprises gas holder 500 and gas control valve assembly, and gas holder 500 is for providing aerodynamic force, and the aerodynamic force that Pneumatic valve assembly provides for distributing gas holder 500, realizes intelligentized control, and its working stability is reliable; Also arrange blowdown assembly in gas holder 500, for removing the refuse produced in gas holder 500 using process, this blowdown assembly adopts siphon blowdown technology, realizes gas holder 500 not perforate blowdown, strengthens the Security of system.
Blowdown block 600 is also provided with the overflow ducts inside and outside a connection gas holder 500, described overflow ducts outlet port is provided with safety overflow valve 110, strengthens the Security of whole system, prevents pressure in gas holder 500 excessive.
The utility model gas-liquid linkage actuator final controlling element is also arranged the pressure-detecting device 6 of testing pipes internal pressure, described pressure-detecting device 6 is connected with electric control box 100; When pressure-detecting device 6 detects that manifold pressure is abnormal, by the keying of electric control box 100 control valve, pressure-detecting device 6 above gas-liquid linkage actuator is by the pressure inlet tube testing pipes pressure with pipeline UNICOM, if pipeline pressure has abnormal variation, such as pressure is below or above setting value, when pressure drop rate is higher than setting value, electronic unit can judge that pipeline conditions is abnormal, the then keying of control valve automatically.
One-way throttle valve 120 is respectively equipped with in the connecting pipeline of valve opening gas-liquid tank 300 and valve closing gas-liquid tank 400 and oil hydraulic cylinder, rely on the adjustable oil mass flowing into the oil of valve opening gas-liquid tank 300 and valve closing gas-liquid tank 400 from oil hydraulic cylinder of one-way throttle valve 120, the travel time of adjustment actuating mechanism, realizes precisely, flexibly controlling.
Pneumatic valve assembly 130, include body 1, the power suction port 11 be located on body 1, gas discharge outlet 12, be communicated with the connecting passage 13 of power suction port 11 and gas discharge outlet 12, be provided with the control piece 2 of at least two group conductings or shutoff connecting passage 13 in connecting passage 13, control piece 2 place is provided with the connecting tube 14 that one end can be communicated with outside gas-liquid tank with connecting passage 13 conducting or isolation, the other end.In such scheme, as the actuator of gas-liquid linkage actuator, in use, power gas source is entered by the power suction port 11 of body 1, when connecting passage 13 is closed by group control piece of wherein 2, the power suction port 11 of body 1 is isolated with gas discharge outlet 12, and now can impel connecting passage 13 and connecting tube 14 conducting, the air pressure entered by power suction port 11 then can enter in connecting tube 14 due to connecting passage 13, then approach connecting tube 14 enters in the gas-liquid tank that is connected with connecting tube 14, implement to drive to the medium in gas-liquid tank, the actuator in gas-liquid linkage actuator is made to open or close, the operation to gas-liquid linkage actuator is completed with this, it is simple that structure is set like this, combine without the need to multiple pneumatic control valve, thus reduce rate of breakdown, and specific coordinating between control piece 2 with body 1, air pressure can be made to reach 12MPa.
In the utility model embodiment, control piece 2 is arranged in vertical configuration with body 1, axial one end of control piece 2 is drive end 21, the other end is mounting end 22, control end 23 is provided with between mounting end 22 and drive end 21, its control end 23 place is provided with spool 24, the axial two ends of spool 24 are respectively equipped with sealing seat 241, connected by connecting rod 242 between two sealing seats 241, and the tapered setting in joint of two sealing seats 241 and connecting rod 242, the installation place that body 1 is positioned at spool 24 is provided with the valve seat 15 that can seal with spool 24, connecting tube 14 is in this valve seat 15 place, and be vertical setting with spool 24, drive end 21 place that body 1 is positioned at control piece 2 is provided with construction opening 16 and moves passage 17 with guide's gas drive of construction opening 16 vertical connection, the drive end 21 of control piece 2 includes the guide piston 211 be located in construction opening 16, axial one end place of this guide piston 211 offers propellant import 212, the other end is provided with the pilot hole 213 moving passage 17 conducting with guide's gas drive, propellant import 212 and pilot hole 213 conducting, and guide piston 211 and spool 24 are connected, mounting end 22 place of control piece 2 is provided with the plug screw 221 be connected with body 1, is provided with spring 222 between plug screw 221 and spool 24.The manual actuator 3 that guide piston 211 and spool 24 can be impelled to be connected is provided with in the construction opening 16 of body 1, this manual actuator 3 includes the fitting seat 31 be installed in construction opening 16, be set up in the catch bar 32 on fitting seat 31, can conflict with guide piston 211 and coordinate in axial one end of catch bar 32, the other end is provided with manual lever 34, is provided with Compress Spring 33 between catch bar 32 and fitting seat 31.When control piece 2 needs implementation, by injecting air pressure to propellant import 212 place of guide piston 211, guide's gas drive that air pressure enters into body 1 by pilot hole 213 is moved in passage 17, air pressure is implemented to drive to spool 24, spool 24 is moved towards mounting end 22, by connecting passage 13 shutoff, the power suction port 11 of body 1 is made to be in closed shape with gas discharge outlet 12, and due to the specific structure of spool 24, connecting passage 13 now can with connecting tube 14 conducting, make gas-liquid linkage actuator implementation, certainly, when air pressure not enough or unstable time, also can adopt and manually implement to drive to control piece 3, by driving manual actuator 3, catch bar on manual actuator 3 32 pairs of guide pistons 211 are implemented to drive, guide piston 211 is along construction opening 16 slippage of body 1, and implement to conflict to spool 24, spool 24 is moved towards mounting end 22, can complete equally and connecting passage 13 is closed, the power suction port 11 of body 1 is closed with gas discharge outlet 12, connecting passage 13 and connecting tube 14 conducting, there is the function of bi-directional drive, effectively can prevent rate of breakdown, the setting that on body 1, guide's gas drive moves passage 17 can make air pressure can be entered by pilot hole 213 and implement to drive to spool 24, it is then that air pressure owing to being entered by guide piston 211 is larger that guide's gas drive moves passage 17 and gas exhaust port 12 conducting, too fast and cause the damage of spring 222 in order to prevent air pressure from crossing the movement of ambassador's spool 24, guide's gas drive can reduce air pressure after moving passage 17 and gas exhaust port 12 conducting, control piece 2 is had to the effect of protection.
In the utility model embodiment, enter into prevent impurity in gas and in connecting passage 13, clamping stagnation caused on control piece 2 and affect normal use, the power suction port 11 of body 1 and be respectively equipped with filter 4 between gas discharge outlet 12 and connecting passage 13.This filter 4 can be filter screen.
In the utility model embodiment, in order to prevent the barometric pressure outside body 1 from being entered into the pressure affecting body 1 inside in body 1 by gas exhaust port 12, in the gas discharge outlet 12 of body 1, be provided with safety check 5.This safety check 5 is one-way valve, and the air pressure in body 1 can be discharged by safety check 5, and the barometric pressure of outside cannot be entered in body 1 by safety check 5.
Control piece 2 in the utility model embodiment is provided with two groups, be respectively control piece 25 and two control pieces 26, one control piece 25 and two control pieces 26 are connected with gas-liquid tank A and gas-liquid tank B respectively, gas-liquid tank A and gas-liquid tank B is then connected with actuator respectively, when the control piece 2 in the utility model embodiment is in neutral position, power suction port 11 and the gas exhaust port 12 of body 1 are on state, connecting passage 13 and connecting tube 14 are in closed shape, then gas-liquid tank A and gas-liquid tank B cannot be subject to the driving of air pressure; When a control piece 25 works, spool 24 in one control piece 25 moves towards mounting end 22, by the power suction port 11 of cut-out body 1 and the connection of gas exhaust port 12, connecting passage 13 is communicated with connecting tube 14, air pressure enters in connecting tube 14 by connecting passage 13, then enter in gas-liquid tank A, gas-liquid tank A implements to drive to actuator, and actuator is opened; When actuator needs to close, one control piece 25 contacts the shutoff to connecting passage 13, return back to home position, shutoff implemented by two control piece 26 pairs connecting passages 13, still make the power suction port 11 of body 1 be in closed state with gas exhaust port 12, connecting passage 13 and connecting tube 14 conducting, air pressure enters in gas-liquid tank B, gas-liquid tank B implements to drive to actuator, and actuator is closed.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improvement of above-mentioned hypothesis and modification also should be considered as protection domain of the present utility model.
Claims (9)
1. a valve gas-liquid linkage actuator, comprise be connected with valve actuator, control gas-liquid control module that actuator works and electric control box, it is characterized in that: described actuator is fork type oil hydraulic cylinder, it comprises oil hydraulic cylinder and shift fork case; Described gas-liquid control module comprises the valve opening gas-liquid tank and valve closing gas-liquid tank and gas control module that vertically arrange, described valve opening gas-liquid tank and valve closing gas-liquid tank are connected with oil hydraulic cylinder respectively and for hydraulic control cylinder working, described gas control module is for driving the hydraulic circuit in valve opening gas-liquid tank and valve closing gas-liquid tank; Described gas control module comprises gas holder and the gas control valve assembly of horizontal positioned, and described Pneumatic valve assembly comprises one and connects the power suction port of gas holder and two connecting tubes being connected valve opening gas-liquid tank and valve closing gas-liquid tank respectively; One end of described gas holder is provided with blowdown assembly, described blowdown assembly comprises blowdown block, blowdown block and gas holder are for being threaded, described blowdown block center is provided with the drain outlet be communicated with inside and outside gas holder, the dirt inlet of described drain outlet is provided with the drain pipe stretched into bottom gas holder, the dirt-discherging outlet of described drain outlet is provided with blowdown valve, and described drain pipe is connected with blowdown block by a straight coupling.
2. a kind of valve gas-liquid linkage actuator according to claim 1, it is characterized in that: the pressure-detecting device also comprising testing pipes internal pressure, described pressure-detecting device is connected with electric control box; When pressure-detecting device detects that manifold pressure is abnormal, by the keying of electric control box control valve.
3. a kind of valve gas-liquid linkage actuator according to claim 1, it is characterized in that: described blowdown block is also provided with the overflow ducts inside and outside a connection gas holder, described overflow ducts outlet port is provided with safety overflow valve.
4. a kind of valve gas-liquid linkage actuator according to claim 1, is characterized in that: be respectively equipped with one-way throttle valve in the connecting pipeline of described valve opening gas-liquid tank and valve closing gas-liquid tank and oil hydraulic cylinder.
5. a kind of valve gas-liquid linkage actuator according to claim 1, it is characterized in that: described Pneumatic valve assembly includes body, the connecting passage of the power suction port be located on body, gas discharge outlet, connection power suction port and gas discharge outlet, be provided with the control piece of two groups of conductings or shutoff connecting passage in connecting passage, control piece place be provided with can with the connecting tube of connecting passage conducting or isolation.
6. a kind of valve gas-liquid linkage actuator according to claim 5, it is characterized in that: described control piece and body are that vertical configuration is arranged, axial one end of control piece is drive end, the other end is mounting end, control end is provided with between mounting end and drive end, its control end place is provided with spool, the axial two ends of spool are respectively equipped with sealing seat, connected by connecting rod between two sealing seats, and the tapered setting in the joint of two sealing seats and connecting rod, the installation place that body is positioned at spool be provided with can with the valve seat of seal spool, connecting tube is in this valve seat place, and be vertical setting with spool, the drive end place that body is positioned at control piece is provided with construction opening and moves passage with guide's gas drive of construction opening vertical connection, the drive end of control piece includes the guide piston be located in construction opening, axial one end place of this guide piston offers propellant import, the other end is provided with the pilot hole moving channel conductive with guide's gas drive, propellant import and pilot hole conducting, and guide piston is connected with valve spool, the mounting end place of control piece is provided with the plug screw be connected with body, is provided with spring between plug screw and spool.
7. a kind of valve gas-liquid linkage actuator according to claim 5, it is characterized in that: in the construction opening of described body, be provided with the manual actuator that guide piston can be impelled to be connected with valve spool, this manual actuator includes the fitting seat be installed in construction opening, be set up in the catch bar on fitting seat, can conflict with guide piston and coordinate in axial one end of catch bar, the other end is provided with manual lever, is provided with Compress Spring between catch bar and fitting seat.
8. a kind of valve gas-liquid linkage actuator according to claim 5, is characterized in that: the power suction port of described body and be respectively equipped with filter between air outlet and connecting passage.
9. a kind of valve gas-liquid linkage actuator according to claim 5, is characterized in that: be provided with safety check in the air outlet of described body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520414496.7U CN204692720U (en) | 2015-06-12 | 2015-06-12 | Valve gas-liquid linkage actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520414496.7U CN204692720U (en) | 2015-06-12 | 2015-06-12 | Valve gas-liquid linkage actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204692720U true CN204692720U (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520414496.7U Active CN204692720U (en) | 2015-06-12 | 2015-06-12 | Valve gas-liquid linkage actuator |
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| CN (1) | CN204692720U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575625A (en) * | 2017-09-22 | 2018-01-12 | 中石化川气东送天然气管道有限公司 | A kind of SHAFER pneumatic hydraulic actuators |
| WO2018036497A1 (en) * | 2016-08-25 | 2018-03-01 | 成都迈可森流体控制设备有限公司 | Drive device and valve actuator based on gas-fluid composite spring |
-
2015
- 2015-06-12 CN CN201520414496.7U patent/CN204692720U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018036497A1 (en) * | 2016-08-25 | 2018-03-01 | 成都迈可森流体控制设备有限公司 | Drive device and valve actuator based on gas-fluid composite spring |
| CN107575625A (en) * | 2017-09-22 | 2018-01-12 | 中石化川气东送天然气管道有限公司 | A kind of SHAFER pneumatic hydraulic actuators |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191111 Address after: No. 950 Feidu Road, Nicheng Town, Pudong New Area, Shanghai, 200120 Patentee after: Teflon (Shanghai) Technology Co., Ltd. Address before: 325000, No. 66, Gao Lu, Longwan District, Wenzhou District, Zhejiang, China Patentee before: Tefulong Group Co., Ltd. |