CN106907518A - Formula executing agency is established in the pneumatic reset of double acting by cable - Google Patents
Formula executing agency is established in the pneumatic reset of double acting by cable Download PDFInfo
- Publication number
- CN106907518A CN106907518A CN201710263790.6A CN201710263790A CN106907518A CN 106907518 A CN106907518 A CN 106907518A CN 201710263790 A CN201710263790 A CN 201710263790A CN 106907518 A CN106907518 A CN 106907518A
- Authority
- CN
- China
- Prior art keywords
- cylinder part
- pneumatic
- gas
- valve
- gas source
- 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.)
- Granted
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Classifications
-
- 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
-
- 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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention establishes formula executing agency by cable for the pneumatic reset of double acting, including cylinder part, the upper end of the cylinder part is provided with cylinder part, the lower end of the cylinder part is provided with connecting shaft, the cylinder part includes piston, cylinder part is divided into upper chamber and lower chamber by the piston, push rod is provided with the middle of the piston, the push rod upper end is connected with the hydraulic connecting bar of cylinder part, the cylinder part is connected with gas source pipeline, the side of the cylinder part is provided with gas bag, and described gas bag one end is connected with gas source pipeline, and one end is connected with cylinder.Formula executing agency is established in the pneumatic reset of double acting of the present invention by cable, does not have spring structure, and without overcoming spring force, cylinder bore is small, and thrust is big；Pneumatic reset, reset speed is fast, saves manufacturing cost, saves installing space；Simultaneously because devising valve gas storage bag, in the case where gaseity is lost, the source of the gas required for can temporarily providing valve event is switched 2 ~ 3 times, and the normal operation of equipment is not influenceed.
Description
Technical field
The present invention relates to valve technology field, especially a kind of valve actuator.
Background technology
It is to make pipe arrangement and equipment for controlling the device of the direction of fluid, pressure, flow in fluid system that valve is
Interior medium（Liquid, gas, powder）Flowing stops and can control the device of its flow.The control of valve can use various biographies
Flowing mode, such as manually, electrically, surge, pneumatic, turbine, electromagnetic driven, electromagnetism surge, electro-hydraulic dynamic, air-or liquid-operated, spur gear, bevel gear
Drive etc..
The situation that traditional pneumatic actuator stops supplying gas in the event of source of the gas, it may occur that valve is uncontrolled, seriously
The normal operation of influence equipment.
The content of the invention
The technical problem to be solved in the present invention is to provide the pneumatic reset of double acting and establishes formula executing agency by cable, solves existing skill
Art burst source of the gas stops situation about supplying gas, it may occur that valve is uncontrolled, has a strong impact on the problem of the normal operation of equipment.
The present invention is achieved through the following technical solutions：
Formula executing agency, including cylinder part are established in the pneumatic reset of double acting by cable, and the upper end of the cylinder part is provided with hydraulic cylinder portion
Part, the lower end of the cylinder part is provided with connecting shaft, and the cylinder part includes piston, and be divided into for cylinder part by the piston
Air chamber and lower chamber, are provided with push rod in the middle of the piston, the push rod upper end is connected with the hydraulic connecting bar of cylinder part, institute
State cylinder part to be connected with gas source pipeline, the side of the cylinder part is provided with gas bag, described gas bag one end and gas source pipe
Road is connected, and one end is connected with cylinder.
Further improvement project of the invention is to pass through electromagnetic control structure control between the cylinder and gas source pipeline
System, the electromagnetic control structure includes magnetic valve, Pneumatic valve B, Pneumatic valve C, and the magnetic valve is connected with source of the gas signal port, described
Magnetic valve is connected with Pneumatic valve B and Pneumatic valve C；The gas source pipeline is divided into two branch gas source pipes, branch gas source pipe difference
It is connected with upper chamber and lower chamber, Pneumatic valve B and Pneumatic valve C is located on two branch gas source pipes respectively, the Pneumatic valve B, gas
Control valve C is provided with exhaust outlet.
Further improvement project of the invention is to be provided with check valve between the gas source pipeline and gas bag.
Further improvement project of the invention is that the gas source pipeline is provided with Pneumatic valve A, the Pneumatic valve A with letter
The connection of number pressure pipe, is provided with gas bag between the Pneumatic valve A and gas source pipeline, the Pneumatic valve A is reverse with gas source pipeline
Connection, junction is at branch pipe tee connection.
Further improvement project of the invention is that the front end at the branch pipe tee connection is provided with air lock.
Further improvement project of the invention is that the rear end gas source pipeline at the branch pipe tee connection is provided with air filtration
Pressure reducer.
Further improvement project of the invention is to be provided with fairlead between the lower end cylinder base plate of the push rod and cylinder.
Further improvement project of the invention is to be provided with guide ring between the push rod and piston.
The present invention compared with prior art, has the following advantages that：
1st, formula executing agency is established in the pneumatic reset of double acting of the present invention by cable, does not have spring structure, without overcoming spring force, cylinder bore
Small, thrust is big；Pneumatic reset, reset speed is fast, saves manufacturing cost, saves installing space；Simultaneously because devising valve storage
Gas bag, in the case where gaseity is lost, the source of the gas required for can temporarily providing valve event is switched 2 ~ 3 times, and the normal fortune of equipment is not influenceed
OK；
2nd, check valve control gas bag and the gas source pipeline, make the source of the gas in gas bag remain saturation state；
3rd, the air lock controls main gas circuit, makes main gas circuit in the case where gaseity is lost, and gas is not back to main gas circuit in gas bag, makes gas
Bag normal work；
4th, the Pneumatic valve A, under source of the gas normal operating conditions, valve closing keeps stand-by state to gas bag gas circuit, when losing gas,
Pneumatic valve is automatically turned on.
The present invention is described further with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is the schematic internal view that formula executing agency is established in the pneumatic reset of double acting of the present invention by cable.
Fig. 2 is the overall schematic that formula executing agency is established in the pneumatic reset of double acting of the present invention by cable.
Fig. 3 is the air-flow schematic diagram that formula executing agency is established in the pneumatic reset of double acting of the present invention by cable
Wherein：1- cylinder parts, 2- cylinder parts, 3- connecting shafts, 4- pistons, 5- upper chambers, 6- lower chambers, 7- push rods, 8-
Hydraulic cylinder connecting rod, 9- gas sources pipeline, 10- gas bags, 11- magnetic valves, 12- Pneumatic valve B, 13- Pneumatic valve C, 14- branch gas source pipes
At road, 15- Pneumatic valve A, 16- check valve, 17- signal pressures solenoid, 18- branch pipe tee connections, 19- air locks, 20- air filtrations decompression
Device, 21- fairleads, 22- guide rings.
Specific embodiment
Formula executing agency, including cylinder part 1, the cylinder part 1 are established in the pneumatic reset of double acting shown in Fig. 1 to Fig. 3 by cable
Upper end be provided with cylinder part 2, the lower end of the cylinder part 1 is provided with connecting shaft 3, and the cylinder part 1 includes piston 4,
1 point by cylinder part of the piston 4 is upper chamber 5 and lower chamber 6, and push rod 7, the upper end of the push rod 7 are provided with the middle of the piston 4
It is connected with the hydraulic cylinder connecting rod 8 of cylinder part 2, the cylinder part 1 is connected with gas source pipeline 9, the cylinder part 1
Side be provided with gas bag 10, the one end of the gas bag 10 is connected with gas source pipeline 9, and one end is connected with cylinder；The cylinder and master
By electromagnetic control structure control between gas source pipe 9, the electromagnetic control structure includes magnetic valve 11, Pneumatic valve B12, gas control
Valve C13, the magnetic valve 11 is connected with source of the gas signal port, and the magnetic valve 11 is connected with Pneumatic valve B12 and Pneumatic valve C13；Institute
It is two branch gas source pipes 14 to state 9 points of gas source pipeline, and branch gas source pipe 14 is connected with upper chamber 5 and lower chamber 6 respectively, gas control
Valve B12 and Pneumatic valve C13 are located on two branch gas source pipes 14 respectively, and the Pneumatic valve B12 and Pneumatic valve C13 are provided with exhaust
Mouthful；Check valve 16 is provided between the gas source pipeline 9 and gas bag 10；The gas source pipeline 9 is provided with Pneumatic valve A15, institute
State Pneumatic valve A15 to be connected with signal pressure solenoid 17, gas bag 10, the gas are provided between the Pneumatic valve A15 and gas source pipeline 9
The Opposite direction connection of control valve A15 and gas source pipeline 9, junction is 18 at branch pipe tee connection；18 front ends are provided with the branch pipe tee connection
Air lock 19；18 rear end gas source pipeline 9 is provided with air filtration pressure reducer 20 at the branch pipe tee connection；The push rod 7 with
Fairlead 21 is provided between the lower end cylinder base plate of cylinder；Guide ring 22 is provided between the push rod 7 and piston 4.
Embodiment 1：
After gas source pipeline 9 enters compressed air, point two-way, all the way through check valve 16（Gas source pressure is once equal to or less than gas
10 pressure are wrapped, individual event valve is shut off, as long as pressure is less than gas source in gas bag 10, check valve 16 is turned on and supplied to gas bag 10,
The automatic inflating device of gas bag 10 can be realized）Enter gas bag 10 afterwards, protected to Pneumatic valve A15 (when having source of the gas signal pressure, valve closing)
Pressure；Another road is through air lock 19（Valve is opened when having main gas, valve closing during dereliction gas）, by branch pipe tee connection 18（Main gas
Source die after gas bag 10 supply interface）, to after air filtration pressure reducer 20,25 three-way electromagnetic valves 11 receive source of the gas signal
Message number, controls the valve switch of Pneumatic valve B12 and Pneumatic valve C13 respectively, and Pneumatic valve B12 and gas control are entered in the tunnel of main qi leel 2 respectively
Valve C13, by entering executing agency's upper chamber 5 after Pneumatic valve B12, by entering executing agency's lower chamber 6 after Pneumatic valve C13.
The Pneumatic valve B12 of upper chamber 5 connects the power-off ventilation of magnetic valve 11 end, and lower chamber 6 connects the energization ventilation of magnetic valve 11 end.During normal work,
Magnetic valve 11 is powered, the air inlet of lower chamber 6, and valve is opened, during power-off, the air inlet of upper chamber 5, valve closing.
Embodiment 2：
When energization is died, Pneumatic valve A15 dereliction gas signals, then Pneumatic valve A15 open, air lock 19 is closed, by the internal pressure of gas bag 10
Contracting air is supplied to executing agency's lower chamber 6 by air filtration pressure reducer 20 to Pneumatic valve C13.During power-off, by gas bag 10
Compressed air is supplied to executing agency's upper chamber 5 by air filtration pressure reducer 20 to Pneumatic valve B12, according to the volume of gas bag 10
Size, controlled valve 1 ~ 2 time.
Embodiment 3：
Simultaneously die, Pneumatic valve A15 dereliction gas signals, then Pneumatic valve A15 opening, air lock 19 is closed, by gas bag 10
Compressed air is supplied to executing agency's upper chamber 5 by air filtration pressure reducer 20 to Pneumatic valve B12, closes valve, ensures valve
Equipment safety afterwards.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (8)
1. formula executing agency, including cylinder part are established in the pneumatic reset of double acting by cable（1）, the cylinder part（1）Upper end be provided with
Cylinder part（2）, the cylinder part（1）Lower end be provided with connecting shaft（3）, the cylinder part（1）Including piston（4）,
The piston（4）By cylinder part（1）It is divided into upper chamber（5）And lower chamber（6）, the piston（4）Centre is provided with push rod（7）,
The push rod（7）Upper end and cylinder part（2）Hydraulic cylinder connecting rod（8）Connection, the cylinder part（1）With gas source pipe
Road（9）Connection, it is characterised in that：The cylinder part（1）Side be provided with gas bag（10）, the gas bag（10）One end and main gas
Source capsule road（9）Connection, one end is connected with cylinder.
2. formula executing agency is established in the pneumatic reset of double acting according to claim 1 by cable, it is characterised in that：The cylinder and master
Gas source pipe（9）Between by electromagnetic control structure control, the electromagnetic control structure includes magnetic valve（11）, Pneumatic valve B
（12）, Pneumatic valve C（13）, the magnetic valve（11）It is connected with source of the gas signal port, the magnetic valve（11）With Pneumatic valve B（12）With
Pneumatic valve C（13）Connection；The gas source pipeline（9）It is divided into two branch gas source pipes（14）, branch gas source pipe（14）Respectively with
Upper chamber（5）And lower chamber（6）Connection, Pneumatic valve B（12）With Pneumatic valve C（13）Two branch gas source pipes are located at respectively（14）
On, the Pneumatic valve B（12）With Pneumatic valve C（13）It is provided with exhaust outlet.
3. formula executing agency is established in the pneumatic reset of double acting according to claim 2 by cable, it is characterised in that：The gas source pipe
Road（9）With gas bag（10）Between be provided with check valve（16）.
4. formula executing agency is established in the pneumatic reset of double acting according to claim 2 by cable, it is characterised in that：The gas source pipe
Road（9）It is provided with Pneumatic valve A（15）, the Pneumatic valve A（15）With signal pressure solenoid（17）Connection, the Pneumatic valve A（15）With
Gas source pipeline（9）Between be provided with gas bag（10）, the Pneumatic valve A（15）With gas source pipeline（9）Opposite direction connection, junction is
At branch pipe tee connection（18）.
5. formula executing agency is established in the pneumatic reset of double acting according to claim 4 by cable, it is characterised in that：The branch pipe tee connection
Place（18）Front end is provided with air lock（19）.
6. formula executing agency is established in the pneumatic reset of double acting according to claim 4 by cable, it is characterised in that：The branch pipe tee connection
Place（18）Rear end gas source pipeline（9）It is provided with air filtration pressure reducer（20）.
7. formula executing agency is established in the pneumatic reset of double acting according to claim 1 by cable, it is characterised in that：The push rod（7）
Fairlead is provided with and the lower end cylinder base plate of cylinder between（21）.
8. formula executing agency is established in the pneumatic reset of double acting according to claim 1 by cable, it is characterised in that：The push rod（7）
With piston（4）Between be provided with guide ring（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710263790.6A CN106907518B (en) | 2017-04-21 | 2017-04-21 | Double-acting pneumatic reset electric open type actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710263790.6A CN106907518B (en) | 2017-04-21 | 2017-04-21 | Double-acting pneumatic reset electric open type actuating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106907518A true CN106907518A (en) | 2017-06-30 |
| CN106907518B CN106907518B (en) | 2023-09-12 |
Family
ID=59210700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710263790.6A Active CN106907518B (en) | 2017-04-21 | 2017-04-21 | Double-acting pneumatic reset electric open type actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106907518B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006064A (en) * | 2020-01-15 | 2020-04-14 | 邯郸钢铁集团有限责任公司 | Maintenance method for post-rolling controlled cooling flow regulating valve |
| CN113389767A (en) * | 2021-07-23 | 2021-09-14 | 中国科学院合肥物质科学研究院 | Double-acting pneumatic actuator with long-stroke large-cylinder-diameter structure and control system thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB926885A (en) * | 1959-11-13 | 1963-05-22 | Knorr Bremse Gmbh | Electro-pneumatic compressed air brake |
| JPS55155982A (en) * | 1979-05-23 | 1980-12-04 | Tokico Ltd | Valve device |
| CN1128331A (en) * | 1994-08-10 | 1996-08-07 | 株式会社基茨 | Valve driving apparatus |
| JPH11336936A (en) * | 1998-05-21 | 1999-12-07 | Kurimoto Ltd | Opening and closing device for pneumatic operation type opening and closing valve |
| US20030038540A1 (en) * | 2001-08-13 | 2003-02-27 | Knorr-Bremse Systeme Fur Schienenfahrzeuge Gmbh | Control device for compressed-air brakes |
| CN201992174U (en) * | 2010-12-23 | 2011-09-28 | 天津精通控制仪表技术有限公司 | Air line structure of air storage type pneumatic actuating mechanism |
| CN202834326U (en) * | 2012-09-24 | 2013-03-27 | 浙江欧斯特泵阀有限公司 | Straight travel operation mechanism with gas and liquid combined |
| CN103206424A (en) * | 2013-04-22 | 2013-07-17 | 浙江中德自控阀门有限公司 | Manual and automatic control system for realizing single-action control through pneumatic double-action executing mechanism with gas storage tank |
| CN103629421A (en) * | 2013-12-06 | 2014-03-12 | 上海一核阀门制造有限公司 | Valve control system |
| CN203614879U (en) * | 2013-11-08 | 2014-05-28 | 西姆流体技术（上海）有限公司 | Double-acting pneumatic execution mechanism with standby gas storage function |
| CN103899829A (en) * | 2014-03-27 | 2014-07-02 | 超达阀门集团股份有限公司 | Double-acting pneumatic device with adjustment and fault security functions |
| CN206770740U (en) * | 2017-04-21 | 2017-12-19 | 杭州富尚阀门有限公司 | Double acting, which pneumatically resets, establishes formula executing agency by cable |
-
2017
- 2017-04-21 CN CN201710263790.6A patent/CN106907518B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB926885A (en) * | 1959-11-13 | 1963-05-22 | Knorr Bremse Gmbh | Electro-pneumatic compressed air brake |
| JPS55155982A (en) * | 1979-05-23 | 1980-12-04 | Tokico Ltd | Valve device |
| CN1128331A (en) * | 1994-08-10 | 1996-08-07 | 株式会社基茨 | Valve driving apparatus |
| JPH11336936A (en) * | 1998-05-21 | 1999-12-07 | Kurimoto Ltd | Opening and closing device for pneumatic operation type opening and closing valve |
| US20030038540A1 (en) * | 2001-08-13 | 2003-02-27 | Knorr-Bremse Systeme Fur Schienenfahrzeuge Gmbh | Control device for compressed-air brakes |
| CN201992174U (en) * | 2010-12-23 | 2011-09-28 | 天津精通控制仪表技术有限公司 | Air line structure of air storage type pneumatic actuating mechanism |
| CN202834326U (en) * | 2012-09-24 | 2013-03-27 | 浙江欧斯特泵阀有限公司 | Straight travel operation mechanism with gas and liquid combined |
| CN103206424A (en) * | 2013-04-22 | 2013-07-17 | 浙江中德自控阀门有限公司 | Manual and automatic control system for realizing single-action control through pneumatic double-action executing mechanism with gas storage tank |
| CN203614879U (en) * | 2013-11-08 | 2014-05-28 | 西姆流体技术（上海）有限公司 | Double-acting pneumatic execution mechanism with standby gas storage function |
| CN103629421A (en) * | 2013-12-06 | 2014-03-12 | 上海一核阀门制造有限公司 | Valve control system |
| CN103899829A (en) * | 2014-03-27 | 2014-07-02 | 超达阀门集团股份有限公司 | Double-acting pneumatic device with adjustment and fault security functions |
| CN206770740U (en) * | 2017-04-21 | 2017-12-19 | 杭州富尚阀门有限公司 | Double acting, which pneumatically resets, establishes formula executing agency by cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006064A (en) * | 2020-01-15 | 2020-04-14 | 邯郸钢铁集团有限责任公司 | Maintenance method for post-rolling controlled cooling flow regulating valve |
| CN113389767A (en) * | 2021-07-23 | 2021-09-14 | 中国科学院合肥物质科学研究院 | Double-acting pneumatic actuator with long-stroke large-cylinder-diameter structure and control system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106907518B (en) | 2023-09-12 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Double acting pneumatic reset electric open actuator Effective date of registration: 20230918 Granted publication date: 20230912 Pledgee: Zhejiang Fuyang Rural Commercial Bank branch Limited by Share Ltd. Silver Lake Pledgor: HANGZHOU FOSSON VALVES CO.,LTD. Registration number: Y2023980057036 |
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