CN103672123B - Buffering type high pulling torque spring return actuator - Google Patents
Buffering type high pulling torque spring return actuator Download PDFInfo
- Publication number
- CN103672123B CN103672123B CN201310629253.0A CN201310629253A CN103672123B CN 103672123 B CN103672123 B CN 103672123B CN 201310629253 A CN201310629253 A CN 201310629253A CN 103672123 B CN103672123 B CN 103672123B
- Authority
- CN
- China
- Prior art keywords
- air chamber
- bolted
- cylinder cap
- piston rod
- torque spring
- 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.)
- Active
Links
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
- F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
The present invention relates to a kind of pneumatic actuator, a kind of high pulling torque spring reset type is with the pneumatic actuator of final position gas buffer structure specifically, belongs to pneumatic actuator technical field.It comprises cylinder body, is bolted left cylinder cap pressing plate, is provided with guide sleeve in cylinder body outside left cylinder cap, and guide sleeve is pressed on left cylinder cap by left cylinder cap pressing plate.Be bolted conversion casing on the right side of right cylinder cap, conversion box back connects buffer air chamber body, and buffer air chamber body rear end connects buffer air chamber back cylinder cover, and buffer air chamber back cylinder cover is bolted buffing pad, and be slidably installed in buffing pad buffer plunger.The demand that the valve that the present invention can meet frequent movement drives, effectively can avoid the actuator's damage of internal device because frequent movement causes, thus reduce repair rate, increase economic efficiency.
Description
Technical field
The present invention relates to a kind of pneumatic actuator, a kind of high pulling torque spring reset type is with the pneumatic actuator of final position gas buffer structure specifically, belongs to pneumatic actuator technical field.
Background technique
Industrial automation produce just at fast fetching for traditional industry production model, become and promote productivity, reduce the main force of labor strength.Along with production-scale Rapid Expansion, the specification of control valve and control accuracy have become the key factor of restriction industrial automation process.The control valve unappeasable production capacity demand day by day expanded of small dimension, main manifestations shows that Design Mode that actuator's structure of the control valve for driving can not be amplified by equal proportion completely meets the drive unit of large gauge control valve.Common pneumatic pinion and-rack actuator, air bladder formula angle stroke actuators, Pneumatic piston angle stroke actuators rotate on class valve at butterfly valve, ball valve etc. and have a wide range of applications, but these actuators are often because of the restriction of its structure and processing conditions, the valve demand for frequent movement can not be met, easily internal component is damaged in the process of frequent movement, even cause valve catastrophe failure, to such an extent as to whole device is forced to parking maintenance, bring larger economic loss to client.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, thus a kind of buffering type high pulling torque spring return actuator is provided, the demand that the valve that can meet frequent movement drives, effectively can avoid the actuator's damage of internal device because frequent movement causes, thus reduction repair rate, increase economic efficiency.
According to technological scheme provided by the invention, buffering type high pulling torque spring return actuator comprises cylinder body, cylinder body two ends weld left cylinder cap and right cylinder cap respectively, the return piston that can horizontally slip is provided with in cylinder body, the Returnning spring compressing return piston is provided with between return piston and left cylinder cap, it is characterized in that: be bolted left cylinder cap pressing plate outside left cylinder cap, be provided with guide sleeve in cylinder body, guide sleeve is pressed on left cylinder cap by left cylinder cap pressing plate.
Be bolted conversion casing on the right side of right cylinder cap, conversion casing upper end is bolted conversion case lid, and conversion case lid center is bolted end cap; Be provided with upper bearing (metal) in end cap, conversion casing bottom centre is provided with lower bearing, and the crank top rolling being arranged on conversion casing center is arranged on upper bearing (metal) inner ring, rolls and be arranged on lower bearing inner ring in crank bottom; Upper hopper chute and gliding groove is respectively equipped with up and down at crank, be slidably installed in upper hopper chute top slide block, be slidably installed in gliding groove bottom slide block, is provided with position restoring piston rod between top slide block and bottom slide block, and top slide block, bottom slide block and position restoring piston rod realize synchronous slide by pinned connection is integral.
Conversion box back connects buffer air chamber body, and buffer air chamber body rear end connects buffer air chamber back cylinder cover, and buffer air chamber back cylinder cover is bolted buffing pad, and be slidably installed in buffing pad buffer plunger.
It is anterior that position restoring piston rod front end is provided with position restoring piston rod, position restoring piston rod front portion puts in the bearing be arranged in guide sleeve, position restoring piston rod rear end is provided with position restoring piston rod rear portion, and position restoring piston rod rear portion puts in buffer air chamber body and links into an integrated entity with buffer plunger.
Further, return piston is provided with guidance tape with cylinder body connecting surface.
Further, be threaded connection spacing screw mandrel in guide sleeve, spacing screw mandrel left end stretches out left cylinder cap and is threaded connection screw mandrel sheath.
Further, crank top is stretched out end cap and is bolted pointer cover plate, and pointer cover plate is provided with stroke board.
Further, the bearing plate be bolted in guide sleeve outer end is provided with outside bearing.
Further, buffer air chamber back cylinder cover is provided with back cylinder cover air source hole.
Further, buffing pad is provided with buffing pad air source hole.
Compared with the prior art the present invention has the following advantages:
1. buffering type high pulling torque spring return actuator described in relies on increase to overcome acting force of the spring to reach cushioning effect in spring side, opposite side is then rely on the gas buffer structure of actuator self to realize cushioning effect, does not need to carry out other any annexes and is equipped with and controls.
2. Returnning spring module can realize exporting compared with the moment of high pulling torque the Valve controlling demand meeting plurality of specifications.
3. the debugging demand of multiple cushioning effect can be realized by the size of adjustment back cylinder cover air source hole.
4. the design of buffer plunger and buffing pad is relative to the buffer structure of other external-addeds, and it functionally meets product specification demand more, is just produced into and originally says, comparatively plain edition actuator increases few.
5. buffering type high pulling torque spring return actuator is used as the valve positioner of frequent movement, the working life of actuator self can be extended, also can reduce the excessive abrasion that valve sealing face causes because frequently contacting simultaneously, extend the working life of whole valve, be reached for client to reduce costs, increase the final purpose of mixed economy profit.
Accompanying drawing explanation
Fig. 1 is plan view of the present invention.
Fig. 2 is plan view of the present invention.
Description of reference numerals: 1-screw mandrel sheath, the left cylinder cap pressing plate of 2-, the left cylinder cap of 3-, 4-Returnning spring, 5-cylinder body, 6-bearing, 7-bearing plate, 8-position restoring piston rod is anterior, 9-return piston, the right cylinder cap of 10-, the spacing screw mandrel of 11-, 12-guide sleeve, 13-guidance tape, 14-changes casing, 15 conversion case lids, 16-end cap, 17-stroke board, 18-pointer cover plate, 19-crank, 20-top slide block, 21-bottom slide block, 22-upper hopper chute, 23-gliding groove, 24-upper bearing (metal), 25-lower bearing, 26-bearing pin, 27-position restoring piston rod, 28-position restoring piston rod rear portion, 29-buffer air chamber body, 30-buffer plunger, 31-buffer air chamber back cylinder cover, 32-buffing pad, 33-back cylinder cover air source hole, 34-buffing pad air source hole.
Embodiment
Embodiment in is by reference to the accompanying drawings further described by the present invention below:
As shown in Figure 1 and 2, the present invention mainly comprises cylinder body 5, and cylinder body 5 two ends weld left cylinder cap 3 and right cylinder cap 10 respectively, is provided with the return piston 9 that can horizontally slip in cylinder body 5, is provided with the Returnning spring 4 compressing return piston 9 between return piston 9 and left cylinder cap 3.Return piston 9 is provided with guidance tape 13 with cylinder body 5 connecting surface, and guidance tape 13 pairs of return pistons 9 play leading role.
Be bolted left cylinder cap pressing plate 2 outside left cylinder cap 3, be provided with guide sleeve 12 in cylinder body 5, guide sleeve 12 is pressed on left cylinder cap 3 by left cylinder cap pressing plate 2.Be threaded connection spacing screw mandrel 11 in guide sleeve 12, spacing screw mandrel 11 left end stretches out left cylinder cap 3 and is threaded connection screw mandrel sheath 1, connects screw mandrel sheath 1 and protects spacing screw mandrel 11 to prevent from getting rusty.
Be bolted conversion casing 14 on the right side of right cylinder cap 10, conversion casing 14 upper end is bolted conversion case lid 15, and conversion case lid 15 center is bolted end cap 16.Be provided with upper bearing (metal) 24 in end cap 16, conversion casing 14 bottom centre is provided with lower bearing 25, and the crank 18 top rolling being arranged on conversion casing 14 center is arranged on upper bearing (metal) 24 inner ring, rolls and be arranged on lower bearing 25 inner ring in crank 18 bottom.Crank 18 top is stretched out end cap 16 and is bolted pointer cover plate 18.Pointer cover plate 18 is provided with stroke board 17.
Upper hopper chute 22 and gliding groove 23 is respectively equipped with at crank about 18, be slidably installed in upper hopper chute 22 top slide block 20, be slidably installed in gliding groove 23 bottom slide block 21, be provided with position restoring piston rod 27 between top slide block 20 and bottom slide block 21, top slide block 20, bottom slide block 21 and position restoring piston rod 27 are linked into an integrated entity by bearing pin 26 and realize synchronous slide.
Conversion casing 14 rear end connects buffer air chamber body 29, and buffer air chamber body 29 rear end connects buffer air chamber back cylinder cover 31, and buffer air chamber back cylinder cover 31 is bolted buffing pad 32, be slidably installed in buffing pad 32 buffer plunger 30.
Position restoring piston rod 27 front end is provided with position restoring piston rod front portion 8, and position restoring piston rod front portion 8 puts in the bearing 6 be arranged in guide sleeve 12, is provided with the bearing plate 7 be bolted in guide sleeve 12 outer end outside bearing 6.Position restoring piston rod 27 rear end is provided with position restoring piston rod rear portion 28, and position restoring piston rod rear portion 28 puts in buffer air chamber body 29 and links into an integrated entity with buffer plunger 30.
Described buffer air chamber back cylinder cover 31 is provided with back cylinder cover air source hole 33, and buffing pad 32 is provided with buffing pad air source hole 34, and back cylinder cover air source hole 33 is with buffing pad air source hole 34 air inlet simultaneously, be vented simultaneously.During air inlet, owing to there is a cushion stroke between buffer plunger 30 and buffing pad 32, so back cylinder cover air source hole 33 can only to the left side air chamber air inlet of buffer air chamber, and the right side air chamber air inlet of the buffer air chamber that buffing pad air source hole 34 be formed to buffer plunger 30 and buffing pad 32.After cushion stroke terminates, the left side air chamber of buffer air chamber becomes an air chamber after being communicated with the right side air chamber of buffer air chamber, then back cylinder cover air source hole 33 and buffing pad air source hole 34 are simultaneously to this air chamber air inlet.
Return piston 9 due to the left side air chamber of buffer air chamber be communicated with the right side air chamber of buffer air chamber after become an air chamber, when internal pressure is reduced to and cannot overcomes acting force of the spring, start to react on position restoring piston rod 27 to move to opposite side, make to bring about the desired sensation and to become a plenum space after the left side air chamber of buffer air chamber is communicated with the right side air chamber of buffer air chamber and diminish to buffer plunger 30 and contact completely with buffing pad 32, again form two air chambers.Size now due to the suction port changing the left side air chamber of buffer air chamber is less, reaches the effect changing and be vented and delay, namely can realize pooling feature.
Claims (7)
1. a buffering type high pulling torque spring return actuator, comprise cylinder body (5), cylinder body (5) two ends weld left cylinder cap (3) and right cylinder cap (10) respectively, the return piston (9) that can horizontally slip is provided with in cylinder body (5), the Returnning spring (4) compressing return piston (9) is provided with between return piston (9) and left cylinder cap (3), it is characterized in that: left cylinder cap (3) outside is bolted left cylinder cap pressing plate (2), guide sleeve (12) is provided with in cylinder body (5), guide sleeve (12) is pressed on left cylinder cap (3) by left cylinder cap pressing plate (2),
Right cylinder cap (10) right side is bolted conversion casing (14), and conversion casing (14) upper end is bolted conversion case lid (15), and conversion case lid (15) center is bolted end cap (16); Upper bearing (metal) (24) is provided with in end cap (16), conversion casing (14) bottom centre is provided with lower bearing (25), crank (19) the top rolling being arranged on conversion casing (14) center is arranged on upper bearing (metal) (24) inner ring, rolls and be arranged on lower bearing (25) inner ring in crank (19) bottom; Upper hopper chute (22) and gliding groove (23) is respectively equipped with up and down at crank (19), be slidably installed in upper hopper chute (22) top slide block (20), be slidably installed in gliding groove (23) bottom slide block (21), be provided with position restoring piston rod (27) between top slide block (20) and bottom slide block (21), top slide block (20), bottom slide block (21) and position restoring piston rod (27) are linked into an integrated entity by bearing pin (26) and realize synchronous slide;
Conversion casing (14) rear end connects buffer air chamber body (29), buffer air chamber body (29) rear end connects buffer air chamber back cylinder cover (31), buffer air chamber back cylinder cover (31) is bolted buffing pad (32), be slidably installed in buffing pad (32) buffer plunger (30);
Position restoring piston rod (27) front end is provided with position restoring piston rod front portion (8), position restoring piston rod front portion (8) puts in the bearing (6) be arranged in guide sleeve (12), position restoring piston rod (27) rear end is provided with position restoring piston rod rear portion (28), and position restoring piston rod rear portion (28) puts in buffer air chamber body (29) and links into an integrated entity with buffer plunger (30).
2. buffering type high pulling torque spring return actuator as claimed in claim 1, is characterized in that: at return piston (9), upper and cylinder body (5) connecting surface is provided with guidance tape (13).
3. buffering type high pulling torque spring return actuator as claimed in claim 1, it is characterized in that: be threaded connection spacing screw mandrel (11) in described guide sleeve (12), spacing screw mandrel (11) left end stretches out left cylinder cap (3) and is threaded connection screw mandrel sheath (1).
4. buffering type high pulling torque spring return actuator as claimed in claim 1, is characterized in that: described crank (19) top is stretched out end cap (16) and is bolted pointer cover plate (18), and pointer cover plate (18) is provided with stroke board (17).
5. buffering type high pulling torque spring return actuator as claimed in claim 1, is characterized in that: described bearing (6) outside is provided with the bearing plate (7) be bolted in guide sleeve (12) outer end.
6. buffering type high pulling torque spring return actuator as claimed in claim 1, is characterized in that: described buffer air chamber back cylinder cover (31) is provided with back cylinder cover air source hole (33).
7. buffering type high pulling torque spring return actuator as claimed in claim 1, is characterized in that: described buffing pad (32) is provided with buffing pad air source hole (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310629253.0A CN103672123B (en) | 2013-11-30 | 2013-11-30 | Buffering type high pulling torque spring return actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310629253.0A CN103672123B (en) | 2013-11-30 | 2013-11-30 | Buffering type high pulling torque spring return actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103672123A CN103672123A (en) | 2014-03-26 |
| CN103672123B true CN103672123B (en) | 2016-03-16 |
Family
ID=50310519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310629253.0A Active CN103672123B (en) | 2013-11-30 | 2013-11-30 | Buffering type high pulling torque spring return actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103672123B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806811B (en) * | 2015-05-04 | 2017-04-12 | 中国海洋石油总公司 | Deep sea valve executing mechanism with bidirectional pressure dynamic balance compensation device |
| CN106286956A (en) * | 2015-06-12 | 2017-01-04 | 无锡市诚天诺执行器制造有限公司 | A kind of novel valve driving means |
| CN108087622B (en) * | 2017-11-28 | 2019-07-05 | 安徽荣达阀门有限公司 | A kind of hydraulic damping device for valve |
| CN109806756B (en) * | 2019-01-12 | 2021-05-25 | 湖州加怡新市热电有限公司 | Desulfurizing tower with defogging device |
| CN115823330A (en) * | 2022-12-19 | 2023-03-21 | 无锡福斯拓科科技有限公司 | Pneumatic actuator with rapid exhaust buffer structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1490661A (en) * | 1974-02-06 | 1977-11-02 | Willis Oil Tool Co | Safety shut-off valve |
| CN2849270Y (en) * | 2005-11-30 | 2006-12-20 | 江苏神通阀门有限公司 | Nuclear pneumatic device |
| CN201462150U (en) * | 2009-06-23 | 2010-05-12 | 四川格林流体控制设备有限公司 | Pneumatic execution mechanism |
| CN202629287U (en) * | 2012-07-09 | 2012-12-26 | 重庆山能仪表有限公司 | Limiting structure of double-air-cylinder executing mechanism of adjusting valve |
| CN202812413U (en) * | 2012-09-17 | 2013-03-20 | 成都迈可森流体控制设备有限公司 | Shifting-fork drive actuator with dual guide shafts |
| CN203036059U (en) * | 2012-11-15 | 2013-07-03 | 航天长征化学工程股份有限公司 | Pneumatic actuating mechanism driving valve |
| CN203189844U (en) * | 2013-04-18 | 2013-09-11 | 江苏神通阀门股份有限公司 | Cylinder-driven pneumatic device |
| CN203627993U (en) * | 2013-11-30 | 2014-06-04 | 无锡智能自控工程股份有限公司 | Buffering large-torque spring restoration executing mechanism |
-
2013
- 2013-11-30 CN CN201310629253.0A patent/CN103672123B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1490661A (en) * | 1974-02-06 | 1977-11-02 | Willis Oil Tool Co | Safety shut-off valve |
| CN2849270Y (en) * | 2005-11-30 | 2006-12-20 | 江苏神通阀门有限公司 | Nuclear pneumatic device |
| CN201462150U (en) * | 2009-06-23 | 2010-05-12 | 四川格林流体控制设备有限公司 | Pneumatic execution mechanism |
| CN202629287U (en) * | 2012-07-09 | 2012-12-26 | 重庆山能仪表有限公司 | Limiting structure of double-air-cylinder executing mechanism of adjusting valve |
| CN202812413U (en) * | 2012-09-17 | 2013-03-20 | 成都迈可森流体控制设备有限公司 | Shifting-fork drive actuator with dual guide shafts |
| CN203036059U (en) * | 2012-11-15 | 2013-07-03 | 航天长征化学工程股份有限公司 | Pneumatic actuating mechanism driving valve |
| CN203189844U (en) * | 2013-04-18 | 2013-09-11 | 江苏神通阀门股份有限公司 | Cylinder-driven pneumatic device |
| CN203627993U (en) * | 2013-11-30 | 2014-06-04 | 无锡智能自控工程股份有限公司 | Buffering large-torque spring restoration executing mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103672123A (en) | 2014-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103672123B (en) | Buffering type high pulling torque spring return actuator | |
| CN204504098U (en) | A kind of forging hammer | |
| CN206464794U (en) | A kind of cylinder head, which presses, uses frock | |
| CN105082593A (en) | Mechanical multi-connecting-rod servo press driven through hydraulic cylinder | |
| CN203627993U (en) | Buffering large-torque spring restoration executing mechanism | |
| CN102384064A (en) | Machine model design of full clearance-free structure for piston reciprocating type compressor | |
| CN103206425B (en) | Multilevel adjustable hydraulic cylinder | |
| CN203906973U (en) | Four-cylinder large torque pneumatic angular travel actuator | |
| CN103769924A (en) | Single-station pneumatic pressing fixture | |
| CN107030941B (en) | Easy demoulding mould for rubber parts | |
| CN107718614A (en) | A kind of solid tyre production line tyre surface carrying Acetabula device | |
| CN103982474A (en) | Novel pressurized oil-air cylinder | |
| CN205112449U (en) | Large -tonnage pillar press | |
| CN203926172U (en) | Novel gas-liquid power cylinder | |
| CN107234203A (en) | The forging apparatus of upper punch zero load before a kind of closed die forming | |
| CN203787233U (en) | Composite insulator crimping machine | |
| CN207839984U (en) | A kind of VKP-600 numerical controls high-performance multistage cold former | |
| CN207043254U (en) | The forging apparatus of upper punch zero load before a kind of closed die forming | |
| CN201792521U (en) | Material ejection device of friction press | |
| CN206981574U (en) | A kind of thin-wall sleeve parts shaping mould | |
| CN202009747U (en) | Pedal valve device of pneumatic lasting machine | |
| CN201872070U (en) | Large-diameter honing head | |
| CN206483952U (en) | A kind of device for releasing vexed car and adjusting height of packing compact | |
| CN206543809U (en) | One kind being capable of quick-replaceable diel oblique impact device | |
| CN204526197U (en) | A kind of super large table top hydraulic pressure swing arm link lever press |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |