CN202302215U - Rapid switching device for valve - Google Patents
Rapid switching device for valve Download PDFInfo
- Publication number
- CN202302215U CN202302215U CN2011205346934U CN201120534693U CN202302215U CN 202302215 U CN202302215 U CN 202302215U CN 2011205346934 U CN2011205346934 U CN 2011205346934U CN 201120534693 U CN201120534693 U CN 201120534693U CN 202302215 U CN202302215 U CN 202302215U
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- CN
- China
- Prior art keywords
- push rod
- gear
- ball screw
- hollow push
- tooth bar
- 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.)
- Withdrawn - After Issue
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model provides a rapid switching device for a valve. The rapid switching device comprises a multi-revolution electric device, a cycloid pinwheel reducer, an electromagnetic clutch, a ball screw pair, a hollow push rod rack, a gear, a spring seat and a combined spring, wherein the hollow push rod rack is assembled with a limiting device; the electromagnetic clutch, the ball screw pair, the hollow push rod rack, the limiting device and the gear are hermetically arranged in a box body of the gear; the upper connector end of the box body of the gear is fixedly connected with the cycloid pinwheel reducer; a connection hole is arranged on the box body of the gear; the spring seat and the combined spring are arranged in a spring tube; the spring tube and the lower connector end of the box body of the gear are fixedly connected; the centers of the two connector ends of the box body of the gear are positioned on a same straight line; and the symmetrical center of the connection hole in the box body of the gear and the center of the gear are positioned on a same straight line. By utilizing the rapid switching device, the damage and oil leakage of pressure pipelines are avoided, the investment and maintenance cost are reduced, and the use is more reliable and safer.
Description
Technical field
The utility model relates to a kind of valve apparatus for fast switching, especially a kind ofly is used for the revolution of metallurgy industry gas pipe line, actuating valve door section and realizes 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.
The model utility content
The purpose of the utility model 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 utility model 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 the said magnetic clutch of the utility model also can be connected with the nut of ball screw pair through a connection piece; 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 utility model adopts its generation after the technique scheme
Beneficial effectFor:
Its described many revolution Electric actuators of the utility model 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 the described apparatus for fast switching of the utility model, 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.
The beneficial effect of the utility model 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 the utility model apparatus for fast switching embodiment one a structural representation;
Fig. 2 is the utility model apparatus for fast switching structural representation of embodiment two in addition;
Fig. 3 is that the utility model embodiment 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 utility model is done further explain:
As shown in Figure 1; The utility model embodiment 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 utility model embodiment 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 utility model embodiment 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 utility model makes the apparatus for fast switching of the utility model 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.
The valve apparatus for fast switching of the utility model 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 |
|---|---|---|---|
| CN2011205346934U CN202302215U (en) | 2011-12-20 | 2011-12-20 | Rapid switching device for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205346934U CN202302215U (en) | 2011-12-20 | 2011-12-20 | Rapid switching device for valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202302215U true CN202302215U (en) | 2012-07-04 |
Family
ID=46371110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205346934U Withdrawn - After Issue CN202302215U (en) | 2011-12-20 | 2011-12-20 | Rapid switching device for valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202302215U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384299A (en) * | 2011-12-20 | 2012-03-21 | 石家庄石特阀门有限责任公司 | Quick switching device for valve |
| CN109798390A (en) * | 2019-03-11 | 2019-05-24 | 上海雄联精密机械配件有限公司 | A kind of composite transmission device |
| CN110425290A (en) * | 2019-08-02 | 2019-11-08 | 许津元 | A kind of against shock butterfly valve |
| CN112664498A (en) * | 2020-12-16 | 2021-04-16 | 宁波盛德气动液压有限公司 | Leading sealed interface of combination pneumatic cylinder connecting valve |
-
2011
- 2011-12-20 CN CN2011205346934U patent/CN202302215U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384299A (en) * | 2011-12-20 | 2012-03-21 | 石家庄石特阀门有限责任公司 | Quick switching device for valve |
| CN109798390A (en) * | 2019-03-11 | 2019-05-24 | 上海雄联精密机械配件有限公司 | A kind of composite transmission device |
| CN110425290A (en) * | 2019-08-02 | 2019-11-08 | 许津元 | A kind of against shock butterfly valve |
| CN110425290B (en) * | 2019-08-02 | 2020-10-16 | 欧冠阀门科技有限公司 | Anti-vibration butterfly valve |
| CN112664498A (en) * | 2020-12-16 | 2021-04-16 | 宁波盛德气动液压有限公司 | Leading sealed interface of combination pneumatic cylinder connecting valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 052160 No. 16, Sanxia Road, Shijiazhuang economic and Technological Development Zone, Hebei Patentee after: Shite Valve Co., Ltd. Address before: 052160 No. 16, Sanxia Road, Shijiazhuang economic and Technological Development Zone, Hebei Patentee before: Shijiazhuang Shite Valve Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120704 Effective date of abandoning: 20130410 |
|
| RGAV | Abandon patent right to avoid regrant |