CN109882640A - A kind of rack-and-pinion two-way pneumatic executing agency - Google Patents

A kind of rack-and-pinion two-way pneumatic executing agency Download PDF

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Publication number
CN109882640A
CN109882640A CN201910238752.4A CN201910238752A CN109882640A CN 109882640 A CN109882640 A CN 109882640A CN 201910238752 A CN201910238752 A CN 201910238752A CN 109882640 A CN109882640 A CN 109882640A
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China
Prior art keywords
rack
bar
pinion
slide rail
fluted disc
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Application number
CN201910238752.4A
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Chinese (zh)
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CN109882640B (en
Inventor
姚平
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Jiangsu Ai Automatic Control Technology Development Co Ltd
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Jiangsu Ai Automatic Control Technology Development Co Ltd
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Priority to CN201910238752.4A priority Critical patent/CN109882640B/en
Publication of CN109882640A publication Critical patent/CN109882640A/en
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Abstract

The invention discloses a kind of rack-and-pinion double acting pneumatic actuator, including main body, main body is equipped with the first venthole, the second venthole;One fluted disc is set among main body;Upper rack, lower rack gear are set to fluted disc two sides, engage with fluted disc;The end of upper rack, lower rack gear far from fluted disc side is connected with push rod;One guide rail, is fixed on upper rack;One pendulous device, set on the top of guide rail, for pushing guide rail.The present invention mechanically can control double acting pneumatic actuator, improve reliability.

Description

A kind of rack-and-pinion two-way pneumatic executing agency
Technical field
The present invention relates to a kind of rack-and-pinion two-way pneumatic executing agencies.
Background technique
In order to protect pressure pipeline, pressure vessel and the device and equipment of their upstream and downstream, usually in over pressure operating condition Under can open or close valve system cylinder.Wherein, the actuator used is double acting pneumatic actuator.Double acting pneumatically executes There are two gas chambers for utensil, act under the thrust of the pressure generation of two gas chambers to main valve.Usual pneumatic actuator It is controlled by gas source.However, in the event of a power failure, being all not very reliable for Electronic control and pneumatic control.Therefore it is Raising reliability, it is also necessary to mechanically, double-direction control be carried out to double acting pneumatic actuator.
Summary of the invention
Goal of the invention: the purpose of the present invention is to solve deficiencies in the prior art, provide a kind of two-way gas of rack-and-pinion Dynamic executing agency, mechanically can control double acting pneumatic actuator, improve reliability.
Technical solution: a kind of rack-and-pinion double acting pneumatic actuator, including main body,
Main body is equipped with the first venthole, the second venthole;
One fluted disc is set among main body;
Upper rack, lower rack gear are set to fluted disc two sides, engage with fluted disc;
The end of upper rack, lower rack gear far from fluted disc side is connected with push rod;
One guide rail, is fixed on upper rack;
One pendulous device, set on the top of guide rail, for pushing guide rail.
It is of the invention further improvement lies in that, pendulous device includes bar, cross bar, inserted link;The bottom of bar is fixed with cross bar Connection;The top of bar is connected after running through main body with handle;Inserted link is fixedly connected with cross bar, and inserted link is disposed far from the yardarm of bar side Portion, inserted link are set to the bottom of cross bar;Inserted link is set in guide rail;Handle is able to drive bar rotation.
It is of the invention further improvement lies in that, one first slide rail is set to below upper rack, and upper rack can be along The sliding of first slide rail.It is of the invention further improvement lies in that, the bottom at the both ends of upper rack is equipped with idler wheel;Upper rack bottom The idler wheel in portion can roll in the first slide rail.
It is of the invention further improvement lies in that, one second slide rail is set to below lower rack gear, and lower rack gear can be along The sliding of second slide rail.
It is of the invention further improvement lies in that, the bottom at the both ends of lower rack gear is equipped with idler wheel;The idler wheel of lower rack gear bottom It can be rolled in the second slide rail.
Compared with prior art, a kind of rack-and-pinion two-way pneumatic executing agency provided by the invention, at least realizes as follows The utility model has the advantages that
1, the present invention, by controlling swing mechanism, drives guide rail operation, when pneumatic actuator failure so as to push upper tooth The operation band active toothed disk of item operation, upper rack rotates, so that lower rack gear is run simultaneously.Even if pneumatic to execute without power supply, gas source Device still is able to run;
2, the setting of idler wheel, so that the operation of upper rack, lower rack gear only needs the thrust controllability of very little strong.
Certainly, not specific needs are implemented any of the products of the present invention while reaching all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its Advantage will become apparent.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Wherein, 1- main body;2- fluted disc;3- upper rack;Rack gear under 4-;5- guide rail;6- pendulous device;The sliding of 7- first is led Rail;The second slide rail of 8-;9- idler wheel;The first venthole of 101-;The second venthole of 102-;103- push rod;601- bar;602- is horizontal Bar;603- inserted link.
Specific embodiment
The existing various exemplary embodiments of detailed description of the present invention.It should also be noted that unless specifically stated otherwise, otherwise at this Component described in a little embodiments and the positioned opposite of step, numerical expression and numerical value do not limit the scope of the invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
A kind of rack-and-pinion double acting pneumatic actuator, including main body 1,
Main body 1 is equipped with the first venthole 101, the second venthole 102;
One fluted disc 2 is set among main body 1;
Upper rack 3, lower rack gear 4 are set to 2 two sides of fluted disc, engage with fluted disc 2;
The end of upper rack 3, lower rack gear 4 far from 2 side of fluted disc is connected with push rod 103;
One guide rail 5, is fixed on upper rack 3;
One pendulous device 6, set on the top of guide rail 5, for pushing guide rail 5.
Based on the above embodiment, when pneumatic actuator failure, by controlling swing mechanism 6, drive guide rail 5 is run, from And upper rack 3 can be pushed to run, the operation band active toothed disk 2 of upper rack 3 rotates, so that lower rack gear 4 is run simultaneously.Even if no Power supply, gas source, pneumatic actuator still are able to run.
It is of the invention further improvement lies in that, pendulous device 6 includes bar 601, cross bar 602, inserted link 603;The bottom of bar 601 Portion is fixedly connected with cross bar 602;The top of bar 601 is connected after running through main body 1 with handle;Inserted link 603 and the fixed company of cross bar 602 It connects, inserted link 603 is disposed far from 602 end of cross bar of 601 side of bar, and inserted link 603 is set to the bottom of cross bar 602;Inserted link 603 is set to and leads In rail 5;Handle is able to drive the rotation of bar 601.By the way that hand control lever 601 is rotated, bar 601 rotates so as to drive inserted link 603 rotations, inserted link 603 slide in guide rail 5, and guide rail 5 drives upper rack 3 to run.
It is of the invention further improvement lies in that, one first slide rail 7 is set to 3 lower section of upper rack, and upper rack 3 can It is slided along the first slide rail 7.The setting of first slide rail 7, plays the role of guiding, high reliablity.
It is of the invention further improvement lies in that, the bottom at the both ends of upper rack 3 is equipped with idler wheel 9;The rolling of 3 bottom of upper rack Wheel 9 can roll in the first slide rail 7.The setting of idler wheel 9, so that upper rack 3 runs the thrust for only needing very little To run in the first slide rail 7, controllability is strong.
It is of the invention further improvement lies in that, one second slide rail 8 is set to lower 4 lower section of rack gear, and lower rack gear 4 can It is slided along the second slide rail 8.The setting of second slide rail 8, plays the role of guiding, high reliablity.
It is of the invention further improvement lies in that, the bottom at the both ends of lower rack gear 4 is equipped with idler wheel 9;The rolling of lower 4 bottom of rack gear Wheel 9 can roll in the second slide rail 8.The setting of wheel 9, so that lower rack gear 4 runs the thrust for only needing very little, it can It is run in the second slide rail 8, controllability is strong.
Through the foregoing embodiment it is found that a kind of rack-and-pinion two-way pneumatic executing agency provided by the invention, at least realizes It is following the utility model has the advantages that
1, the present invention, by controlling swing mechanism 6, drives guide rail 5 to run, on pushing when pneumatic actuator failure Rack gear 3 is run, and the operation band active toothed disk 2 of upper rack 3 rotates, so that lower rack gear 4 is run simultaneously.Even if without power supply, gas source, gas Dynamic actuator still is able to run;
2, the setting of idler wheel 9, so that the operation of upper rack 3, lower rack gear 4 only needs the thrust controllability of very little strong.
Although some specific embodiments of the invention are described in detail by example, the skill of this field Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair Bright range is defined by the following claims.

Claims (6)

1. a kind of rack-and-pinion double acting pneumatic actuator, which is characterized in that including main body (1),
The main body (1) is equipped with the first venthole (101), the second venthole (102);
It is intermediate to be set to the main body (1) for one fluted disc (2);
Upper rack (3), lower rack gear (4) are set to the fluted disc (2) two sides, engage with the fluted disc (2);
The end of upper rack (3), lower rack gear (4) far from the fluted disc (2) side is connected with push rod (103);
One guide rail (5) is fixed on the upper rack (3);
One pendulous device (6) is set to the top of the guide rail (5), for pushing the guide rail (5).
2. a kind of rack-and-pinion two-way pneumatic executing agency according to claim 1, which is characterized in that
The pendulous device (6) includes bar (601), cross bar (602), inserted link (603);
The bottom of the bar (601) is fixedly connected with cross bar (602);The top of the bar (601) through main body (1) afterwards and handle It is connected;
The inserted link (603) is fixedly connected with the cross bar (602), and the inserted link (603) is disposed far from the bar (601) side Cross bar (602) end, the inserted link (603) are set to the bottom of cross bar (602);The inserted link (603) is set to the guide rail (5) It is interior;
The handle is able to drive the bar (601) rotation.
3. a kind of rack-and-pinion two-way pneumatic executing agency according to claim 1, which is characterized in that
One first slide rail (7) is set to below the upper rack (3), and the upper rack (3) can be along the first slide rail (7) it slides.
4. a kind of rack-and-pinion two-way pneumatic executing agency according to claim 3, which is characterized in that
The bottom at the both ends of the upper rack (3) is equipped with idler wheel (9);
The idler wheel (9) of upper rack (3) bottom can roll in the first slide rail (7).
5. a kind of rack-and-pinion two-way pneumatic executing agency according to claim 1, which is characterized in that
One second slide rail (8) is set to below the lower rack gear (4), and the lower rack gear (4) can be along the second slide rail (8) it slides.
6. a kind of rack-and-pinion two-way pneumatic executing agency according to claim 1, which is characterized in that
The bottom at the both ends of the lower rack gear (4) is equipped with idler wheel (9);
The idler wheel (9) of lower rack gear (4) bottom can roll in the second slide rail (8).
CN201910238752.4A 2019-03-27 2019-03-27 Rack type bidirectional pneumatic actuating mechanism Active CN109882640B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910238752.4A CN109882640B (en) 2019-03-27 2019-03-27 Rack type bidirectional pneumatic actuating mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910238752.4A CN109882640B (en) 2019-03-27 2019-03-27 Rack type bidirectional pneumatic actuating mechanism

Publications (2)

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CN109882640A true CN109882640A (en) 2019-06-14
CN109882640B CN109882640B (en) 2022-05-03

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19939085A1 (en) * 1998-09-24 2000-05-04 Tech Entwicklungen Mbh Ges Rotary grease dosing valve driven by compressed air delivers a uniform and reproducible quantity of lubricating grease onto a circular surface
CN103671787A (en) * 2013-12-09 2014-03-26 重庆智锐德科技有限公司 Variable-speed swing device
CN204605203U (en) * 2015-02-01 2015-09-02 周廉凤 Automatic code-printing equipment
CN105402474A (en) * 2015-12-11 2016-03-16 大丰超威机械有限公司 Remotely-controlled double-acting pneumatic control device for valve
CN106584321A (en) * 2016-12-14 2017-04-26 佛山蓝途科技有限公司 Novel eccentric inconstant-speed linkage device
CN106678432A (en) * 2016-12-16 2017-05-17 重庆市巴山液压附件厂有限公司 Hydraulic gear and rack oil cylinder for pipeline valve opening and closing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19939085A1 (en) * 1998-09-24 2000-05-04 Tech Entwicklungen Mbh Ges Rotary grease dosing valve driven by compressed air delivers a uniform and reproducible quantity of lubricating grease onto a circular surface
CN103671787A (en) * 2013-12-09 2014-03-26 重庆智锐德科技有限公司 Variable-speed swing device
CN204605203U (en) * 2015-02-01 2015-09-02 周廉凤 Automatic code-printing equipment
CN105402474A (en) * 2015-12-11 2016-03-16 大丰超威机械有限公司 Remotely-controlled double-acting pneumatic control device for valve
CN106584321A (en) * 2016-12-14 2017-04-26 佛山蓝途科技有限公司 Novel eccentric inconstant-speed linkage device
CN106678432A (en) * 2016-12-16 2017-05-17 重庆市巴山液压附件厂有限公司 Hydraulic gear and rack oil cylinder for pipeline valve opening and closing

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