CN103267163B - Gear type pneumatic motor actuator - Google Patents
Gear type pneumatic motor actuator Download PDFInfo
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- CN103267163B CN103267163B CN201310220719.1A CN201310220719A CN103267163B CN 103267163 B CN103267163 B CN 103267163B CN 201310220719 A CN201310220719 A CN 201310220719A CN 103267163 B CN103267163 B CN 103267163B
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- switching
- valve
- pneumatic motor
- sleeve
- gear
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Abstract
The invention discloses a gear type pneumatic motor actuator which comprises a shell body and a sleeve, wherein the sleeve is arranged in the shell body in a penetrating node. One end of the sleeve is linked with a valve, and the other end of the sleeve is provided with a hand wheel. A pneumatic motor is arranged in the shell body, and a manual operation and pneumatic operation switching device is further arranged between the sleeve and the pneumatic motor. The manual operation and pneumatic operation switching device comprises an inner clutch disc, an outer clutch disc, a switching handle, a switching seat, an upper switching pin and a lower switching pin, wherein the lower end face of the upper switching pin is in bevel sliding fit with the upper end face of the lower switching pin, a switching button is further arranged on the lower switching pin, and the switching pin can lock the inner clutch disc and the outer clutch disc together to conduct linkage or enable the inner clutch disc to be separated from the outer clutch disc under the bevel sliding fit between the upper switching pin and the lower switching pin. Through the adoption of the structure, the invention provides the gear type pneumatic motor actuator which is simple in structure, not limited by power supplying of a power supply and capable of achieving manual operation and pneumatic operation switching.
Description
Technical field
The present invention relates to a kind of actuator for opening/shutting valve, be specifically related to a kind of gear type pneumatic motor actuator.
Background technique
At present, the existing actuator for opening/shutting valve is mostly electric actuator, and it limits by Power supply, cannot use, thus bring inconvenience without under condition of supplying power; And fraction adopts on the valve of pneumatic actuator, cannot realize again manually and pneumatic handover operation, therefore when operated, people can only be with pneumatic motor loaded work piece, so not only waste time and energy, but also there is potential safety hazard.Separately, the valve stroke controller on existing valve and valve opening indicator are also electrodynamic type structure, and it also limits by Power supply, cannot use without under condition of supplying power.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of structure simply and do not limit by Power supply, and the gear type pneumatic motor actuator that hand-operated pneumatic switches can be realized.
For achieving the above object, the invention provides a kind of gear type pneumatic motor actuator, comprise housing, sleeve, described sleeve is arranged in housing, one end of sleeve and valve link, the other end of sleeve is equiped with handwheel, pneumatic motor is provided with in described housing, pneumatic motor connects with external air source, and control to drive by external air source, hand-operated pneumatic COMM communication is provided with between described sleeve and pneumatic motor, described hand-operated pneumatic COMM communication comprises interior clutch wheel, outer clutch wheel, switch handle, switch seat, pin and switching downside pin in switching, described interior clutch wheel is installed on sleeve, described outer clutch wheel is linked with being engaged by driving gear between pneumatic motor output shaft, described switching seat is installed on housing, in described switching, pin and switching downside pin are coaxially installed in and switch in seat, the upper end that described switching is sold upwards extends through switching seat, and it is affixed with switching handle, for inclined-plane is slidably matched between the upper end end face of the lower end surface that described switching is sold and described switching downside pin, spring has been clamped between the lower end of described switching downside pin and switching seat, described switching downside pin is also provided with a switch key, and under the inclined-plane slippage mating reaction of described switch key on switching between pin and switching downside pin, can by, in outer clutch wheel locks together and links or make, outer clutch wheel keeps departing from.
The invention has the beneficial effects as follows: adopt said structure, because final controlling element provided by the present invention drives work by pneumatic motor, therefore compared with existing electric actuator, it does not limit by Power supply, be applicable to use without under condition of supplying power, the present invention simultaneously is also provided with hand-operated pneumatic COMM communication between described pneumatic motor and sleeve, when therefore using, people can be as required, handle is switched by rotating, pin and switching downside pin inclined-plane slippage in described switching can be made, thus impel the switch key be installed on switching downside pin to move up and down, and then make its can by, in outer clutch wheel locks together and links or make, outer clutch wheel keeps departing from, thus manual and pneumatic switching is also just achieved, overall structure is simple, easy to operate, stable performance, working life is longer.
The present invention can be set to also be provided with valve stroke controller between described pneumatic motor and external air source further, described valve stroke controller comprises counter and limited valve, wherein said limited valve is made up of limiting piston and limited valve valve body, described limited valve valve body offers the suction port and air outlet that are interconnected, described suction port is connected with external air source, described air outlet connects with pneumatic motor, the two ends of described counter are connected to input shaft and output shaft, and the interlock between described input shaft and output shaft is controlled by rolling counters forward, described input shaft is equiped with the counting gear linked that to be meshed with sleeve, described output shaft and limiting piston one end affixed, the other end of described limiting piston is arranged in limited valve valve body, the described limiting piston being positioned at limited valve valve body offers a piston hole, and described piston hole is by described limiting piston turning in limited valve valve body, keep switching on or off with the suction port on limited valve valve body and air outlet.
Adopt said structure, first counter is debugged before using, the suction port on limited valve valve body and air outlet is made to keep being communicated with after debugging, thus pneumatic motor is communicated with external air source, drive spool rotates Open valve, in valve opening process, sleeve rotates through the engagement driving of counting gear, thus impel the corresponding rotation of input shaft, and through rolling counters forward, when counter reaches the number of turns or position that preset, by drive output shaft rotation 90 degree, make described limiting piston Rotation With Changing to, and then make described limiting piston cut off the connection of suction port on described limited valve valve body and air outlet, now pneumatic motor will quit work, thus valve can be made to realize opening in any valve position by counting, the precision range closed is spacing, and when external air source is interrupted, instant valve position state still can be kept constant, and do not limit by Power supply in whole stroke limit control procedure, be applicable to use without under condition of supplying power.
The present invention also can be set to also be equiped with seal ring between described limiting piston and limited valve valve body further.Adopt said structure, seal ring is set tightness between described limited valve valve body and limiting piston can be made better.
The present invention also can be set to also be equiped with valve opening indicator in described housing further, described valve opening indicator comprises an instruction seat, described instruction seat is installed in housing, described instruction seat is equiped with input gear and output gear, described input gear and engagement sleeves link, linked by multiple reduction gear between input gear and output gear, described output gear is connected with indicating arm, the end, outer end of described indicating arm is provided with the pointer for showing valve opening size, and the position of the corresponding described pointer of described housing is equiped with visor, described visor is press-fited on housing by visor gland.
Adopt said structure, in valve opening and closing process, sleeve rotates and will synchronously drive input gear to rotate, and driving output gear synchronous axial system through the gearing down of reduction gear simultaneously, output gear rotates and pointer synchronous rotary will be driven to indicate, thus accurately shows the instant aperture size of valve, be convenient to the follow-up manipulation of people, the gear transmission of whole process fully-machinery type, does not limit by Power supply, is applicable to use without under condition of supplying power.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation that in the present invention, hand-operated pneumatic COMM communication is switched to aerodynamic condition;
Fig. 3 is the structural representation that in the present invention, hand-operated pneumatic COMM communication is switched to manual mode;
Fig. 4 is the structural representation that in the present invention, valve stroke controller keeps aeration status;
Fig. 5 is the structural representation that in the present invention, valve stroke controller keeps state of dying;
Fig. 6 is the structural representation of valve opening indicator in the present invention;
Fig. 7 is the A direction view of Fig. 6.
Embodiment
As Fig. 1, 2, 3, 4, 5, 6, a kind of gear type pneumatic motor actuator is given shown in 7, comprise housing 1, sleeve 2, described sleeve 2 is arranged in housing 1, one end and the valve 3 of sleeve 2 link, the other end of sleeve 2 is equiped with handwheel 4, pneumatic motor 5 is provided with in described housing 1, pneumatic motor 5 connects with external air source 6, and control to drive by external air source 6, hand-operated pneumatic COMM communication 7 is provided with between described sleeve 2 and pneumatic motor 5, described hand-operated pneumatic COMM communication 7 comprises interior clutch wheel 71, outer clutch wheel 72, switch handle 73, switch seat 74, pin 75 and switching downside pin 76 in switching, described interior clutch wheel 71 is installed on sleeve 2, engaged by driving gear between described outer clutch wheel 72 with pneumatic motor 5 output shaft and link, described switching seat 74 is installed on housing 1, in described switching, pin 75 and switching downside pin 76 are coaxially installed in and switch in seat 74, in described switching, the upper end of pin 75 upwards extends through switching seat 74, and it is affixed with switching handle 73, in described switching between the lower end surface 751 of pin 75 and the upper end end face 761 of described switching downside pin 76 for inclined-plane is slidably matched, spring 77 has been clamped between the lower end of described switching downside pin 76 and switching seat 74, described switching downside pin 76 is also provided with a switch key 78, described outer clutch wheel 72 is provided with the outer clutch slot 721 of passing for described switch key 78, in described interior clutch wheel 71, also correspondence is provided with the interior clutch slot 711 inserted for described switch key 78, when switching handle 73 dextrorotation turnback, under the inclined-plane slippage mating reaction of described switch key 78 on switching between pin 75 and switching downside pin 76, insert in described interior clutch slot 711 and outer clutch slot 721 and interior clutch wheel 71 and outer clutch wheel 72 are locked together interlock, thus make final controlling element pneumatic by being manually switched to, when switching handle 73 and being rotated counterclockwise 180 degree, under the inclined-plane slippage mating reaction of described switch key 78 on switching between pin 75 and switching downside pin 76, the elastic force overcoming spring 77 skids off from interior clutch slot 711, thus interior clutch wheel 71 is departed from outer clutch wheel 72, and then final controlling element is switched to manually by pneumatic.Valve stroke controller 8 is also provided with between described pneumatic motor 5 and external air source 6, described valve stroke controller 8 comprises counter 82 and limited valve 81, wherein said limited valve 81 is made up of limiting piston 811 and limited valve valve body 812, described limited valve valve body 812 offers the suction port 8121 and air outlet 8122 that are interconnected, described suction port 8121 is connected with external air source 6, described air outlet 8122 connects with pneumatic motor 5, the two ends of described counter 82 are connected to input shaft 821 and output shaft 822, and the interlock between described input shaft 821 and output shaft 822 is by counter 82 tally control, described input shaft 821 is equiped with the counting gear 823 linked that to be meshed with sleeve 2, described output shaft 822 is affixed with limiting piston 811 one end, the other end of described limiting piston 811 is arranged in limited valve valve body 812, the described limiting piston 811 being positioned at limited valve valve body 812 offers a piston hole 8111, and described piston hole 8111 is by described limiting piston 811 turning in limited valve valve body 812, keep switching on or off with the suction port 8121 on limited valve valve body 812 and air outlet 8122, seal ring 813 is also equiped with between described limiting piston 811 and limited valve valve body 812.Valve opening indicator 9 is also equiped with in described housing 1, described valve opening indicator 9 comprises an instruction seat 91, described instruction seat 91 is installed in housing 1, described instruction seat 91 is equiped with input gear 92 and output gear 93, described input gear 92 engages with sleeve 2 and links, linked by multiple reduction gear 94 between input gear 92 and output gear 93, described output gear 93 is connected with indicating arm 95, the end, outer end of described indicating arm 95 is provided with the pointer 96 for showing valve opening size, and the position of the corresponding described pointer 96 of described housing 1 is equiped with visor 97, described visor 97 is press-fited on housing 1 by visor gland 98.
In sum, the invention provides a kind of structure simply and do not limit by Power supply, and the gear type pneumatic motor actuator that hand-operated pneumatic switches can be realized.
Claims (4)
1. a gear type pneumatic motor actuator, comprise housing, sleeve, described sleeve is arranged in housing, one end of sleeve and valve link, the other end of sleeve is equiped with handwheel, it is characterized in that: in described housing, be provided with pneumatic motor, pneumatic motor connects with external air source, and control to drive by external air source, hand-operated pneumatic COMM communication is provided with between described sleeve and pneumatic motor, described hand-operated pneumatic COMM communication comprises interior clutch wheel, outer clutch wheel, switch handle, switch seat, pin and switching downside pin in switching, described interior clutch wheel is installed on sleeve, described outer clutch wheel is linked with being engaged by driving gear between pneumatic motor output shaft, described switching seat is installed on housing, in described switching, pin and switching downside pin are coaxially installed in and switch in seat, the upper end that described switching is sold upwards extends through switching seat, and it is affixed with switching handle, for inclined-plane is slidably matched between the upper end end face of the lower end surface that described switching is sold and described switching downside pin, spring has been clamped between the lower end of described switching downside pin and switching seat, described switching downside pin is also provided with a switch key, and under the inclined-plane slippage mating reaction of described switch key on switching between pin and switching downside pin, can by, in outer clutch wheel locks together and links or make, outer clutch wheel keeps departing from.
2. gear type pneumatic motor actuator according to claim 1, it is characterized in that: between described pneumatic motor and external air source, be also provided with valve stroke controller, described valve stroke controller comprises counter and limited valve, wherein said limited valve is made up of limiting piston and limited valve valve body, described limited valve valve body offers the suction port and air outlet that are interconnected, described suction port is connected with external air source, described air outlet connects with pneumatic motor, the two ends of described counter are connected to input shaft and output shaft, and the interlock between described input shaft and output shaft is controlled by rolling counters forward, described input shaft is equiped with the counting gear linked that to be meshed with sleeve, described output shaft and limiting piston one end affixed, the other end of described limiting piston is arranged in limited valve valve body, the described limiting piston being positioned at limited valve valve body offers a piston hole, and described piston hole is by described limiting piston turning in limited valve valve body, keep switching on or off with the suction port on limited valve valve body and air outlet.
3. gear type pneumatic motor actuator according to claim 2, is characterized in that: be also equiped with seal ring between described limiting piston and limited valve valve body.
4. gear type pneumatic motor actuator according to claim 1, it is characterized in that: in described housing, be also equiped with valve opening indicator, described valve opening indicator comprises an instruction seat, described instruction seat is installed in housing, described instruction seat is equiped with input gear and output gear, described input gear and engagement sleeves link, linked by multiple reduction gear between input gear and output gear, described output gear is connected with indicating arm, the end, outer end of described indicating arm is provided with the pointer for showing valve opening size, and the position of the corresponding described pointer of described housing is equiped with visor, described visor is press-fited on housing by visor gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220719.1A CN103267163B (en) | 2013-06-05 | 2013-06-05 | Gear type pneumatic motor actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220719.1A CN103267163B (en) | 2013-06-05 | 2013-06-05 | Gear type pneumatic motor actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103267163A CN103267163A (en) | 2013-08-28 |
| CN103267163B true CN103267163B (en) | 2015-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310220719.1A Active CN103267163B (en) | 2013-06-05 | 2013-06-05 | Gear type pneumatic motor actuator |
Country Status (1)
| Country | Link |
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| CN (1) | CN103267163B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5747501Y2 (en) * | 1976-12-20 | 1982-10-19 | ||
| US4616803A (en) * | 1983-08-23 | 1986-10-14 | Keystone International, Inc. | Declutchable valve override |
| CN2198474Y (en) * | 1994-06-27 | 1995-05-24 | 温州市东瓯自动化仪表厂 | Pneumatic or hand operate gate valve |
| CN2828452Y (en) * | 2005-08-19 | 2006-10-18 | 张宏军 | Pneumatic gearshift |
| CN1831377A (en) * | 2006-01-20 | 2006-09-13 | 白龙山 | Worm gear hydraulic device |
| CN102788192B (en) * | 2011-05-20 | 2014-07-23 | 浙江鼎锋流体自控设备有限公司 | Clutch type safe switchover hand wheel mechanism of pneumatic actuator |
| CN202769016U (en) * | 2012-09-24 | 2013-03-06 | 浙江欧斯特泵阀有限公司 | Shortcut type manual operation pneumatic switching device |
| CN102927353B (en) * | 2012-11-15 | 2014-03-12 | 无锡智能自控工程股份有限公司 | Multi-rotary pneumatic executive regulator |
| CN203297729U (en) * | 2013-06-05 | 2013-11-20 | 上海宏尔特石化机电设备有限公司 | Gear-type pneumatic motor actuator |
-
2013
- 2013-06-05 CN CN201310220719.1A patent/CN103267163B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103267163A (en) | 2013-08-28 |
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Effective date of registration: 20181204 Address after: 325000 No. 40 Lane 5, Jincang Road, Lecheng Street, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Huang Dengping Address before: No. 1188 Huyi Road, Jiading District, Shanghai, 200120 Patentee before: Shanghai Petrochemical Mechanical & Electrical Equipment Co., Ltd. Hong Falter |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190419 Address after: No. 1188 Huyi Road, Jiading District, Shanghai, 200120 Patentee after: Shanghai Petrochemical Mechanical & Electrical Equipment Co., Ltd. Hong Falter Address before: 325000 No. 40 Lane 5, Jincang Road, Lecheng Street, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: Huang Dengping |