CN101975306B - Variable-speed manual valve worm-gear case drive unit - Google Patents
Variable-speed manual valve worm-gear case drive unit Download PDFInfo
- Publication number
- CN101975306B CN101975306B CN 201010522530 CN201010522530A CN101975306B CN 101975306 B CN101975306 B CN 101975306B CN 201010522530 CN201010522530 CN 201010522530 CN 201010522530 A CN201010522530 A CN 201010522530A CN 101975306 B CN101975306 B CN 101975306B
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- China
- Prior art keywords
- valve
- worm gear
- gear case
- speed
- worm
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- 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.)
- Expired - Fee Related
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- 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
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention relates to a variable-speed manual valve worm-gear case drive unit which comprises a gear reduction train and a worm gear reduction train connected with the gear reduction train, wherein a handwheel is fixed on the input shaft of a change gear case; the output shaft of the worm gear reduction box is connected with a valve; the input shaft of the change gear case is provided with a movable multi-link gear in a sliding way; the output shaft of the change gear case is fixed with a fixed multi-link gear which engages with the movable multi-link gear; and the output shaft of the change gear case is connected with the input shaft of the worm gear reduction train. The invention has the advantages of simple structure and adjustable speed ratio. The user can open the valve by firstly adjusting to low speed ratio. When it is hard for the user to open or close the valve, the user can switch to the high speed ratio by using the handle, thereby greatly increasing the torque, so that the valve can be easily opened or closed. Thus, the invention overcomes the defect of long time or too many people needed for operation when manually opening or closing oversize valves, so that people can operate the outsize valves in a humanized way.
Description
Affiliated technical field
The present invention relates to a kind of worm gear reducer, relate in particular to a kind of variable speed manually-operated gate Worm gear case drive unit.
Background technique
The valve Worm gear case of producing at present both at home and abroad be single speed than valve Worm gear case, promptly a deck valve door Worm gear case has only a speed ratio.The super-large diameter valve; Under the environment that has, need manually-operable,, adopt two kinds of schemes to solve at present both at home and abroad usually: one, to add large speed ratio because the valve Worm gear case has only a speed ratio; Reach and open especially big valve; Cause opening and closing the long result of time of especially big valve needs like this, might influence the operation of pipeline, unreasonable.Two, the increasing of input torque reaches the especially big valve of switching, has caused opening and closing the many people's operations of especially big valve needs like this; But the space that has; Or environment, or the narrow limitation of the mechanism of valve Worm gear case etc. own, do not allow too many people's operation; Be not difficult to find out, manually open and close the significant limitation that exists of especially big valve operation at present both at home and abroad.
Summary of the invention
The objective of the invention is to overcome the deficiency of existing technology, provide a kind of manual switching especially big valve operation, short, operation of time easily, valve Worm gear case drive unit that need not many people's operations.
Technological scheme of the present invention is:
A kind of variable speed manually-operated gate Worm gear case drive unit; It comprises gear reduction system and the worm gear reducer system that is connected with gear reduction system; Handwheel is installed on the input shaft of speed-change gear box, and the output shaft of worm gear reducer is connected with valve, and flip sleeve is provided with moving nest on the input shaft of speed-change gear box; Be installed with quiet nest on the output shaft of speed-change gear box with said moving nest engagement; The output shaft of speed-change gear box is connected with the input shaft of worm gear reducer system, and said moving nest is connected with fork, and fork is connected with handle.
Beneficial effect of the present invention: the present invention is simple in structure, can regulate speed ratio, when the people opens valve; Can reach earlier on the little speed ratio, operated valve is being opened under the gruelling situation of valve or closing valve process operation; Can pass through handle, change on the large speed ratio and operate, torque rises high greatly like this; It is just light to open and close valve, has solved like this and has opened and closed the long or many people's of action need deficiency of manually operated time of especially big valve, the especially big valve of more humane operation.
Description of drawings
Fig. 1 is a final stage worm gear reducer structural representation;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is the fork structural representation.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further.
Shown in Fig. 1, Fig. 2, Fig. 3; The present invention includes gear reduction system and the worm gear reducer system that is connected with gear reduction system; Handwheel 1 is installed on the input shaft 8 of elementary speed-change gear box 2; Flip sleeve is provided with moving duplicate gear 3 on the input shaft 8 of elementary speed-change gear box 2, be installed with on the output shaft 9 of elementary speed-change gear box 2 can with the quiet duplicate gear 4 of said moving duplicate gear 3 engagements, the output shaft 9 of elementary speed-change gear box 2 is connected with the input shaft of second level worm gear reducer 5 16 employing three-jaws 10; The worm screw 11 of second level worm gear reducer 5 is installed on the input shaft 16 of second level worm gear reducer 5; The worm screw 11 of second level worm gear reducer 5 is meshed with the worm gear 12 of second level worm gear reducer 5, and the worm screw 19 of final stage worm gear reducer 17 is installed on the output shaft 18 of second level worm gear reducer 5, and the worm gear 20 of final stage worm gear reducer 17 is meshed with the worm screw 19 of final stage worm gear reducer 17; The output shaft 15 of final stage worm gear reducer 17 is connected with valve; One end of fork 6 is connected in the rotating shaft 14 through connecting rod 21, and the other end of rotating shaft 14 is connected with handle 7, and moving duplicate gear 3 is clamped on the fork 6.
The present invention is combined by three grades of reducing gears, and elementary is the speed-change gear box reducing gear, and the second level is the Worm gear case reducing gear, and final stage also is a worm gear reducer mechanism.
When opening and closing valve, operator rotate handwheel, rotate power that handwheel produced and are transformed on the input shaft 8 that torque is input to elementary speed-change gear box 2; The rotation of input shaft 8 drives the rotation of moving doubly-linked gear 3, and with the also rotation thereupon of quiet duplicate gear 4 of said moving duplicate gear 3 engagements, the output shaft 9 of elementary speed-change gear box also rotates with the rotation of quiet duplicate gear 4; The output shaft 9 of elementary speed-change gear box 2 adopts three-jaw 10 to cooperate to come transmitting torque with the input shaft of second level worm gear reducer 5, is connected through the flange Connecting format, after the torque of elementary speed-change gear box 2 is transmitted in the second level worm gear reducer 5; Torque is delivered on the worm gear 12 of second level worm gear reducer 5 through the worm screw 11 of second level worm gear reducer 5; Rotating speed is slack-off, and the output torque strengthens, and the torque in the second level worm gear reducer 5 is transmitted in the final stage worm gear reducer 17 again; Second level worm gear reducer 5 adopts axle key 13 to cooperate transmitting torque with final stage worm gear reducer 17; Be connected through the flange Connecting format, torque is delivered on the worm screw 19 of final stage worm gear reducer 17 through the output shaft 18 of second level worm gear reducer 5, and rotating speed is slack-off; The output torque strengthens; The output shaft 15 of final stage worm gear reducer 17 is connected with valve, and final stage worm gear reducer 17 also is to adopt axle key 13 to cooperate transmitting torque with valve, is connected through the flange Connecting format; Torque is delivered on the valve through final stage worm gear reducer 17, accomplishes the operation that opens and closes especially big valve at last.
One end of fork 6 is connected in the rotating shaft 14 through connecting rod 21, and the other end of rotating shaft is connected with handle 7, and moving duplicate gear 3 is clamped on the fork 6; When pulling handle 7, rotating shaft 14 is rotated, and the connecting rod 21 that is connected with rotating shaft 14 drives fork 6 and moves up and down; Moving duplicate gear 3 also moves up and down with fork, and therefore, elementary speed-change gear box 2 is through the mobile switching of carrying out speed ratio of fork 6; Realize the variation of speed ratio, reach the purpose of whole Worm gear case speed change.
According to the characteristic of practical valve, Open valve and throttle down process, the moment that needs is not invariable, changes, it is the maximum value of torque that a bit of time is arranged.So the chopped-off head of hand gear Worm gear case adopts the variable-speed ratio, when the people opens and closes valve, can reach on the little speed ratio earlier; Operated valve; Opening under the gruelling situation of valve or closing valve process operation, can pass through handle, change on the large speed ratio and operate; Torque has played height greatly like this, opens and closes valve just easily.We adjust speed ratio through the primary pinion gearbox, open and close the long or many people's of action need deficiency of manually operated time of especially big valve, the especially big valve of more humane operation thereby solved.
Claims (1)
1. variable speed manually-operated gate Worm gear case drive unit; It comprises gear reduction system and the worm gear reducer system that is connected with gear reduction system; Handwheel is installed on the input shaft of speed-change gear box, and the output shaft of worm gear reducer is connected with valve, it is characterized in that: flip sleeve is provided with moving nest on the input shaft of speed-change gear box; Be installed with quiet nest on the output shaft of speed-change gear box with said moving nest engagement; The output shaft of speed-change gear box is connected with the input shaft of worm gear reducer system, and said moving nest is connected with shift fork, and shift fork is connected with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010522530 CN101975306B (en) | 2010-10-28 | 2010-10-28 | Variable-speed manual valve worm-gear case drive unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010522530 CN101975306B (en) | 2010-10-28 | 2010-10-28 | Variable-speed manual valve worm-gear case drive unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101975306A CN101975306A (en) | 2011-02-16 |
| CN101975306B true CN101975306B (en) | 2012-07-04 |
Family
ID=43575209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010522530 Expired - Fee Related CN101975306B (en) | 2010-10-28 | 2010-10-28 | Variable-speed manual valve worm-gear case drive unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101975306B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133758A (en) * | 2013-03-19 | 2013-06-05 | 苏州市凯泰机械有限公司 | Valve opening metering device |
| CN103148275A (en) * | 2013-03-19 | 2013-06-12 | 苏州市凯泰机械有限公司 | Manual valve-operating mechanism driven by cylindrical gear |
| CN103148272A (en) * | 2013-03-19 | 2013-06-12 | 苏州市凯泰机械有限公司 | Valve hand gear for drive of secondary worm and gear and cylindrical gear |
| CN103148273A (en) * | 2013-03-19 | 2013-06-12 | 苏州市凯泰机械有限公司 | Manual valve-operating mechanism driven by cylindrical gear and primary planet gears |
| CN103148276A (en) * | 2013-03-19 | 2013-06-12 | 苏州市凯泰机械有限公司 | Valve hand gear for drive of secondary planet wheel and cylindrical gear |
| CN103148265A (en) * | 2013-03-19 | 2013-06-12 | 苏州市凯泰机械有限公司 | Primary planet gear-driven valve manual device |
| CN103148271A (en) * | 2013-03-19 | 2013-06-12 | 苏州市凯泰机械有限公司 | Manual rotary valve-operating mechanism driven by bevel gears |
| CN107575588B (en) * | 2017-10-09 | 2019-01-29 | 江苏大浪电气集团有限公司 | It is a kind of quickly to adjust and the butterfly valve of registration |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2265481Y (en) * | 1996-05-31 | 1997-10-22 | 蔡兴书 | Chain grate speed-regulating box for boiler |
| CN2379673Y (en) * | 1999-03-13 | 2000-05-24 | 李�佑 | Electric driving means for valve |
| CN2473419Y (en) * | 2001-03-09 | 2002-01-23 | 胡玉成 | Electric valve actuator |
| GB2404717B (en) * | 2003-07-17 | 2005-12-21 | Rotork Controls | Drive mechanisms for valve actuators |
| CN2921505Y (en) * | 2006-05-18 | 2007-07-11 | 徐卫东 | Valve electric device |
| CN2921507Y (en) * | 2006-05-23 | 2007-07-11 | 李涛 | Z series valve electric executing mechanism |
| CN201827504U (en) * | 2010-10-28 | 2011-05-11 | 金显静 | Variable-speed driving device for worm-gear case with manual valve |
-
2010
- 2010-10-28 CN CN 201010522530 patent/CN101975306B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101975306A (en) | 2011-02-16 |
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|---|---|---|---|
| C06 | 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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20131028 |