CN102384299A - Quick switching device for valve - Google Patents
Quick switching device for valve Download PDFInfo
- Publication number
- CN102384299A CN102384299A CN201110428159XA CN201110428159A CN102384299A CN 102384299 A CN102384299 A CN 102384299A CN 201110428159X A CN201110428159X A CN 201110428159XA CN 201110428159 A CN201110428159 A CN 201110428159A CN 102384299 A CN102384299 A CN 102384299A
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- push rod
- ball screw
- hollow push
- tooth bar
- spring
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- Mechanically-Actuated Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention provides a quick switching device for a valve, which comprises a multi-turn electric device, a cycloidal pin wheel speed reducer, an electromagnetic clutch, a ball screw assembly, a hollow push rod rack, a gear, a spring seat and a combined spring, wherein the hollow push rod rack is provided with a limit device in a matching way; the electromagnetic clutch, the ball screw assembly, the hollow push rod rack, the limit device and the gear are arranged in a gearbox body in a sealing way; the upper connector end of the gearbox body is fixedly connected with the cycloidal pin wheel speed reducer; a connecting hole is formed on the gearbox body; the spring seat and the combined spring are arranged in a spring drum; the spring drum is fixedly connected with the lower connector end of the gearbox body; the centers of the two connector ends of the gearbox body are on the same line; and the symmetrical center of the connecting hole on the gearbox body and the center of the gear are on the same line. The quick switching device avoids the damage and oil leakage of pressure pipe fittings, reduces the investment and maintenance cost and is more reliable and safer to use.
Description
Technical field
The present invention relates to a kind of valve apparatus for fast switching, especially a kind ofly be used for the revolution of metallurgy industry gas pipe line, actuating valve door section and realize the device opening fast or close.
Background technique
The fast opening butterfly valve that surges of the bypass line setting of blast-furnace top gas recovery turbine generator at present; When turbine engine breaks down, during the quick closedown of main pipe valve; The fast opening butterfly valve that surges of bypass line is opened simultaneously and rapidly, makes coal gas pass through by-pass line and flows, and guarantees the coal gas system safe operation.Because the most servo apply hydraulic pressure hydraulic oil cylinder driving of the fast opening butterfly valve of bypass in the using process, very easily causes the vibration limits of hydraulic pipe line and joint, the damage and the hydraulic system oil accident of hydraulic element.
Summary of the invention
The object of the invention just is to provide a kind of valve apparatus for fast switching; It has overcome the traditional valve fluid pressure drive device servo-cylinder of existing technology need be equipped with hydraulic station and hydraulic element and the easy deficiency of damaging; It operates steadily reliably; Greatly reduce outage rate and accident rate, use safer.
For realizing above-mentioned purpose, the present invention adopts as follows
Technological scheme:
A kind of valve apparatus for fast switching; Comprise many revolution Electric actuators, with turn round more the cycloidal planetary gear speed reducer that Electric actuators are connected, the magnetic clutch that is connected with the cycloidal planetary gear speed reducer output terminal, the ball screw pair that is connected with the magnetic clutch driven end, the hollow push rod tooth bar that is connected with the nut of ball screw pair, with hollow push rod tooth bar meshed gears, with spring seat and cluster spring that the push rod end of hollow push rod tooth bar contacts, the hollow push rod tooth bar is equipped with the limit stoper of guaranteeing hollow push rod tooth bar moving linearly; Said magnetic clutch, ball screw pair, hollow push rod tooth bar, limit stoper and gear envelope are located within the gear housing, and the last interface end of gear housing is fixedly connected with cycloidal planetary gear speed reducer, and gear housing is provided with attachment hole; Said spring seat and cluster spring are located in the spring strut, and spring strut is fixedly connected with gear housing lower interface end; The center of two interface end of said gear housing is on same straight line, and the symmetry center of the attachment hole on the said gear housing and the center of gear are point-blank.
The driven end of magnetic clutch according to the invention also can be connected with the nut of ball screw pair through a connection piece, and the leading screw of ball screw pair and a solid Push Rod Rack upper end are made as integrative-structure, even above-mentioned hollow push rod tooth bar becomes solid Push Rod Rack.
The present invention adopts its generation after the technique scheme
Beneficial effectFor:
Its described many revolution Electric actuators of the present invention drive magnetic clutch and ball screw pair after cycloidal planetary gear speed reducer slows down leading screw rotates; The nut of ball screw pair is connected with the hollow push rod tooth bar with attachment screw; Through the spacing moving linearly of limit stoper, the push rod end of hollow push rod tooth bar promotes spring seat extruding cluster spring storage of potential energy, when magnetic clutch is got, when dead electricity is switched; The driving and driven part of magnetic clutch is separated; Cluster spring discharges potential energy fast, and the nut that promotes hollow push rod tooth bar and ball screw pair is straight line motion in the other direction, the leading screw fast rotational that the nut with ball screw pair is screwed; Drive load quick acting in the other direction with hollow push rod tooth bar meshed gears simultaneously, the quick acting time was less than 3 seconds.
Adopt apparatus for fast switching of the present invention, it switches fast is the driving and driven part separation through magnetic clutch, and the quick relative rotary motion of the leading screw of ball screw pair and nut realizes.
Beneficial effect of the present invention can be summarized as: adopt electric power to replace hydraulic oil unit as power source, avoided the destruction of hydraulic element, hydraulic tubing and joint, reduce investment and maintenance cost, use safer.
Description of drawings
Fig. 1 is apparatus for fast switching embodiment's one an of the present invention structural representation;
Fig. 2 is apparatus for fast switching of the present invention embodiment two a structural representation in addition;
Fig. 3 is that the embodiment of the invention one said apparatus for fast switching drives the tectonic maps that butterfly valve is opened fast;
Among the figure: 1. many revolution Electric actuators; 2. cycloidal planetary gear speed reducer; 3. magnetic clutch; 4. attachment screw; 5. ball screw pair; 6. attachment screw; 7. hollow push rod tooth bar; 8. limit stoper; 9 gear box covers; 10. spring strut; 11. spring seat; 12. cluster spring; 13. gear housing; 14. gear; 15. key; 16. valve rod; 17. butterfly valve; 18. joint chair; 19. connecting bolt; 20. attachment hole; 21. link; 22. solid Push Rod Rack.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explain:
As shown in Figure 1; Embodiment of the invention valve apparatus for fast switching comprise many revolution Electric actuators 1, the hollow push rod tooth bar 7 that is connected through attachment screw 6 with the ball screw pair 5 that turns round the cycloidal planetary gear speed reducer 2 that Electric actuators 1 are connected, the magnetic clutch 3 that is connected with cycloidal planetary gear speed reducer 2 output terminals, be connected through attachment screw 4 with magnetic clutch 3 driven ends, with the nut of ball screw pair 5 more, with hollow push rod tooth bar 7 meshed gears 14, the spring seat 11 and the cluster spring 12 that contact with the push rod end of hollow push rod tooth bar 7, hollow push rod tooth bar 7 is equipped with the limit stoper 8 of guaranteeing hollow push rod tooth bar moving linearly; Said magnetic clutch 3, ball screw pair 5, hollow push rod tooth bar 7, limit stoper 8 and gear 14 envelopes are located within the gear housing 13, and said spring seat 11 is located in the spring strut 10 with cluster spring 12; Wherein interface end is fixedly connected on cycloidal planetary gear speed reducer 2 and the gear housing 13; Spring strut 10 is fixedly connected with gear housing 13 lower interface ends; The center of two interface end is on same straight line, and the limit stoper 8 that is installed in the gear housing 13 limits moving radially and rotating of hollow push rod tooth bars 7, and gear housing 13 is provided with the attachment hole 20 that is used for connecting valve; The center of the symmetry center of attachment hole 20 and gear 14 point-blank, the sealing of gear housing 13 usefulness gear box covers 9.
Described many revolution Electric actuators 1 drive magnetic clutch 3 and ball screw pair 5 after cycloidal planetary gear speed reducer 2 slows down leading screw rotates; The nut of ball screw pair 5 and hollow push rod tooth bar 7 moving linearly under the position-limiting action of limit stoper 8, the push rod end of hollow push rod tooth bar 7 promote spring seat 11 extruding cluster springs 12 storage of potential energy; When to magnetic clutch 3, when dead electricity is switched; Magnetic clutch 3 driving and driven parts are separated; Cluster spring 12 discharges potential energy fast, and the nut that promotes hollow push rod tooth bar 7 and ball screw pair 5 is straight line motion in the other direction, the leading screw fast rotational that the nut with ball screw pair 5 is screwed; Drive load quick acting in the other direction with hollow push rod tooth bar 7 meshed gears 14 simultaneously, the quick acting time was less than 3 seconds.
As shown in Figure 2; Be the embodiment of the invention two; It is on the said embodiment's one of Fig. 1 basis, the driven end of magnetic clutch 3 to be connected through the nut of link 21 with ball screw pair 5; The structure that the leading screw of ball screw pair 5 and solid Push Rod Rack 22 are connected for one, it becomes solid Push Rod Rack 22 shown in Figure 2 with the promotion hollow push rod tooth bar 7 among the embodiment shown in Figure 1.When many revolutions Electric actuator 1 drives the nut rotation of magnetic clutch 3 and ball screw pair 5 after cycloidal planetary gear speed reducer 2 slows down; The leading screw of ball screw pair 5 and solid push rod tooth 22 are at the spacing moving linearly down of limit stoper 8, and the push rod end of solid Push Rod Rack 22 promotes spring seat 11 extruding cluster springs 12 storage of potential energy; When to magnetic clutch 3, when dead electricity is switched; Magnetic clutch 3 driving and driven parts are separated; Cluster spring 12 discharges potential energy fast, and the leading screw that promotes solid Push Rod Rack 22 and ball screw pair 5 is straight line motion in the other direction, nut and link 21 fast rotational that the leading screw with ball screw pair 5 is screwed; Drive load quick acting in the other direction with solid Push Rod Rack 22 meshed gears 14 simultaneously, the quick acting time was less than 3 seconds.
As shown in Figure 3; The embodiment of the invention one said apparatus for fast switching is connected with the joint chair 18 of butterfly valve 17 through the attachment hole 20 usefulness connecting bolts 19 of gear housing 13; The valve rod 16 of butterfly valve 17 is connected with the gear of apparatus for fast switching 14 usefulness keys 15, when magnetic clutch 3 gets electric adhesive, realizes the closing motions of butterfly valves 17 through starting many revolution Electric actuators 1; After butterfly valve 17 cut out and puts in place, to turn round Electric actuator 1 out of service more.When magnetic clutch 3 dead electricity were separated, the potential energy that cluster spring 12 stores discharged fast, realizes opening fast of butterfly valve 17.The present invention makes apparatus for fast switching of the present invention can be used for the environment that coal gas etc. has requirement of explosion proof because magnetic clutch 3 is installed in the explosion-proof gear housing 13, and is safe and reliable.
Valve apparatus for fast switching of the present invention is adaptable across part turning valve such as butterfly valve, ball valve etc., can realize opening soon of valve or quick closing valve action according to the technological requirement of valve installation system.
Claims (2)
1. valve apparatus for fast switching; It is characterized in that: it comprise many revolution Electric actuators (1), with turn round more the cycloidal planetary gear speed reducer (2) that Electric actuators (1) are connected, the magnetic clutch (3) that is connected with cycloidal planetary gear speed reducer (2) output terminal, the ball screw pair (5) that is connected with magnetic clutch (3) driven end, the hollow push rod tooth bar (7) that is connected with the nut of ball screw pair (5), with hollow push rod tooth bar (7) meshed gears (14), the spring seat (11) and the cluster spring (12) that contact with hollow push rod tooth bar (7) push rod end, hollow push rod tooth bar (7) is equipped with the limit stoper (8) of guaranteeing hollow push rod tooth bar moving linearly; Said magnetic clutch (3), ball screw pair (5), hollow push rod tooth bar (7), limit stoper (8) and gear (14) envelope are located within the gear housing (13); The last interface end of gear housing (13) is fixedly connected with cycloidal planetary gear speed reducer (2), and gear housing (13) is provided with attachment hole (20); Said spring seat (11) and cluster spring (12) are located in the spring strut (10), and spring strut (10) is fixedly connected with gear housing (13) lower interface end.
2. a kind of valve apparatus for fast switching according to claim 1; It is characterized in that: the driven end of said magnetic clutch (3) is connected with the nut of ball screw pair (5) through a connection piece (21), and the leading screw of ball screw pair (5) is made as the structure that one is connected with the upper end of a solid Push Rod Rack (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110428159 CN102384299B (en) | 2011-12-20 | 2011-12-20 | Quick switching device for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110428159 CN102384299B (en) | 2011-12-20 | 2011-12-20 | Quick switching device for valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102384299A true CN102384299A (en) | 2012-03-21 |
| CN102384299B CN102384299B (en) | 2013-04-10 |
Family
ID=45823986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110428159 Active CN102384299B (en) | 2011-12-20 | 2011-12-20 | Quick switching device for valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102384299B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759061A (en) * | 2014-01-20 | 2014-04-30 | 石特阀门股份有限公司 | Novel electric quick valve closing device |
| CN104075012A (en) * | 2013-03-27 | 2014-10-01 | 苏州科迪流体控制设备有限公司 | Electric anti-explosion valve |
| CN104653840A (en) * | 2013-11-26 | 2015-05-27 | 大地新源科技(北京)有限公司 | Automatic air regulator |
| CN109323008A (en) * | 2018-12-17 | 2019-02-12 | 西南石油大学 | A kind of low-lying place's water impact preventing butterfly valve of big drop oil pipeline and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63190986A (en) * | 1987-02-02 | 1988-08-08 | Tlv Co Ltd | Driving force transfer part for valve pressure setting driving part |
| CN2828466Y (en) * | 2005-10-01 | 2006-10-18 | 南通市神通特种阀门工程技术研究中心有限公司 | Electric butterfly valve |
| CN201212560Y (en) * | 2008-05-05 | 2009-03-25 | 江苏神通阀门股份有限公司 | Safety casing isolation butterfly valve |
| CN101440886A (en) * | 2008-12-12 | 2009-05-27 | 秦皇岛秦冶重工有限公司 | Electric emergency cut-off valve |
| CN201535360U (en) * | 2009-07-10 | 2010-07-28 | 上海华通阀门有限公司 | Electric quick-open adjustment butterfly valve |
| CN202302215U (en) * | 2011-12-20 | 2012-07-04 | 石家庄石特阀门有限责任公司 | Rapid switching device for valve |
-
2011
- 2011-12-20 CN CN 201110428159 patent/CN102384299B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63190986A (en) * | 1987-02-02 | 1988-08-08 | Tlv Co Ltd | Driving force transfer part for valve pressure setting driving part |
| CN2828466Y (en) * | 2005-10-01 | 2006-10-18 | 南通市神通特种阀门工程技术研究中心有限公司 | Electric butterfly valve |
| CN201212560Y (en) * | 2008-05-05 | 2009-03-25 | 江苏神通阀门股份有限公司 | Safety casing isolation butterfly valve |
| CN101440886A (en) * | 2008-12-12 | 2009-05-27 | 秦皇岛秦冶重工有限公司 | Electric emergency cut-off valve |
| CN201535360U (en) * | 2009-07-10 | 2010-07-28 | 上海华通阀门有限公司 | Electric quick-open adjustment butterfly valve |
| CN202302215U (en) * | 2011-12-20 | 2012-07-04 | 石家庄石特阀门有限责任公司 | Rapid switching device for valve |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075012A (en) * | 2013-03-27 | 2014-10-01 | 苏州科迪流体控制设备有限公司 | Electric anti-explosion valve |
| CN104075012B (en) * | 2013-03-27 | 2017-03-15 | 苏州科迪流体控制设备有限公司 | A kind of Electric Explosion-proof valve |
| CN104653840A (en) * | 2013-11-26 | 2015-05-27 | 大地新源科技(北京)有限公司 | Automatic air regulator |
| CN103759061A (en) * | 2014-01-20 | 2014-04-30 | 石特阀门股份有限公司 | Novel electric quick valve closing device |
| CN109323008A (en) * | 2018-12-17 | 2019-02-12 | 西南石油大学 | A kind of low-lying place's water impact preventing butterfly valve of big drop oil pipeline and method |
| CN109323008B (en) * | 2018-12-17 | 2020-01-03 | 西南石油大学 | Water-hammer-proof butterfly valve and method for low-lying part of large-drop oil pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102384299B (en) | 2013-04-10 |
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| C10 | Entry into substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 052160 No. 16, Sanxia Road, Shijiazhuang economic and Technological Development Zone, Hebei Applicant after: Shite Valve Co., Ltd. Address before: 052160 No. 16, Sanxia Road, Shijiazhuang economic and Technological Development Zone, Hebei Applicant before: Shijiazhuang Shite Valve Co., Ltd. |
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| GR01 | Patent grant |