CN203880191U - Manual operation and electric operation switching device of electric actuator - Google Patents
Manual operation and electric operation switching device of electric actuator Download PDFInfo
- Publication number
- CN203880191U CN203880191U CN201420225487.9U CN201420225487U CN203880191U CN 203880191 U CN203880191 U CN 203880191U CN 201420225487 U CN201420225487 U CN 201420225487U CN 203880191 U CN203880191 U CN 203880191U
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- clutch
- electric
- worm gear
- switching device
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Abstract
The utility model discloses a manual operation and electric operation switching device of an electric actuator. The manual operation and electric operation switching device comprises a hand wheel, a worm wheel and a clutch, wherein the hand wheel, the worm wheel and the clutch are installed on a machine body. The clutch comprises a first clutch body and a second clutch body meshed with each other, the first clutch body is fixed to one end of a middle shaft of the hand wheel, the hand wheel is fixed to the other end of the middle shaft of the hand wheel, an inner hole of the second clutch body is formed in a drive worm in a sliding and sleeved mode through a spline, the center line of the drive worm and the center line of the middle shaft of the hand wheel are located on the same straight line, the drive worm is rotationally sleeved with the worm wheel capable of being meshed with the second clutch body, the worm wheel is connected with an electric drive device, and a groove in the middle of the second clutch body is matched with a shifting fork assembly fixedly connected with a clutch handle. The manual operation and electric operation switching device has the advantages that manual operation and electric operation can be switched, the performance is stable, operation is convenient, and the safety performance is high. The clutch handle does not need to be manually pressed in the manual operation process, and the electric state can be directly switched into without manual operation through the rotation of a motor under the manual operation condition.
Description
Technical field
The utility model relates to automatic valve control field, relates in particular to a kind of Manual-electric switching device of electric actuator, for control valve, turns round.
Background technique
Manual and the electric switching device of existing electric actuator needs manually to press clutch handle in using manually-operable process, and rotation hand wheel carries out valve control simultaneously.And cannot return to electronic position while needing electric operating after manually-operable, so just increased site operation personnel's working strength and difficulty.
Summary of the invention
The utility model is for making up the deficiencies in the prior art, and the Manual-electric switching device of a kind of simple in structure, stable performance, the electric actuator that easy to operate, Safety performance is high is provided.
The utility model is achieved by the following technical solution:
The Manual-electric switching device of electric actuator of the present utility model, comprise the handwheel being arranged on body, worm gear and clutch, it is characterized in that: clutch comprises clutch one and the clutch two of interlock mutually, clutch one is fixed on handwheel axis one end, the other end of handwheel axis is handwheel fixedly, clutch two endoporus are slidably enclosed within and are driven on worm screw by spline, drive the center line of worm screw and handwheel axis to be located along the same line, drive on worm screw rotating cover have can with the worm gear of clutch two interlocks, worm gear connects Vidacare corp, clutch two intermediate groove coordinate with pull-fork assembly, realize clutch two switches between clutch one and worm gear, pull-fork assembly is fixedly connected with clutch handle.
Pull-fork assembly comprises shift fork, hand automatic trip fastener and torsion spring, shift fork comprises intermediate cylinder and is connected to the L shaped connecting rod at intermediate cylinder two ends, two L shaped connecting rods are to same lateral bend, L shaped connecting rod end inner side is provided with dop, dop is stuck in clutch two intermediate groove, in the intermediate cylinder of shift fork, insert L shaped clutch handle fixing, the rotating hand automatic trip of L shaped connecting rod end arranged outside fastener, between hand automatic trip fastener one end and L shaped connecting rod, torsion spring is set, the hand automatic trip fastener the other end is flat-top, flat-top is used for withstanding on worm gear end face is kept manual mode, by torsion spring, the dropout part rotating is resetted.
Automatic separatory adjustment packing ring and cylindrical spring are installed between clutch one and clutch two.
Clutch two endoporus are that involute splines is installed on driving worm screw, clutch one is installed on handwheel axis and fixes by heavy elastic cylindrical pin, the rotating handwheel block place that is arranged on of handwheel axis is fixed by shaft block ring, handwheel block is fixed on clutch casing, clutch handle and driving worm screw are run through clutch casing, and clutch one, clutch two, pull-fork assembly and worm gear are all arranged in clutch casing.
Corresponding surface on clutch one, clutch two and worm gear is provided with the claw for transmission is carried out in interlock mutually.
On worm gear, near on the end face of clutch two, be along the circumferential direction evenly provided with several convex tendons and groove, while rotating for worm gear, overwhelm hand automatic trip fastener and make pull-fork assembly revolution, clutch two get back to the position of motoring condition.
The beneficial effects of the utility model are, can manual and electronic switchings, there is simple in structure, stable performance, easy to operate, Safety performance is high, low cost and other advantages.In manually-operable process, do not need manually to press clutch handle, the rotation by motor under manual case can be directly switch to motoring condition without manual operation, has reduced site operation personnel's working strength and difficulty.
Accompanying drawing explanation
Fig. 1 plan view schematic diagram of the present utility model.Fig. 2 clutch shifter assembly plan view schematic diagram.Fig. 3 is the hand automatic trip fastener of the clutch shifter assembly working position (left view that Fig. 2 is corresponding) when manual and automatic, and real diagram is manual mode, and dashed line view is motoring condition.Fig. 4 is clutch two schematic diagram, and Fig. 5 is clutch one schematic diagram.Fig. 6,7,8 is respectively plan view, plan view, the left view schematic diagram of shift fork, the three-dimensional icon intention that Fig. 9 is pull-fork assembly.Figure 10 is worm gear lower end surface schematic diagram.
In Fig. 1,1 screw, 2 handles, 3 nuts, 4 handwheels, 5 seal rings, 6 handwheel blocks, 7 screws 8, spring washer, 9 seal rings, 10 clutches one, 11 clutches two, 12 pull-fork assemblies, 13 seal rings, 14 switch handle, 15 adjusts packing ring, 16 cylindroid helicalcoil compression springs, 17 heavy elastic cylindrical pins, 18 handwheel axis, 19 shaft block rings, 20 screws, 21 worm gears, 22 driving worm screws.
Shown in Fig. 2,23 circlips, 24 torsion springs, 25 hand automatic trip fasteners, 26 heavy elastic cylindrical pins, 27 shift forks, 28 intermediate cylinders, 29L shape connecting rod, 30 dops, 31 clutch casings, 32 convex tendons and groove, 33 claws.
Embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.
The Manual-electric switching device of electric actuator of the present utility model, comprise the handwheel 4 being arranged on body, worm gear 21 and clutch, clutch comprises clutch 1 and the clutch 2 11 of interlock mutually, clutch 1 is fixed on handwheel axis 18 one end, the other end of handwheel axis is handwheel 4 fixedly, clutch two endoporus are slidably enclosed within and are driven on worm screw 22 by spline, drive the center line of worm screw and handwheel axis to be located along the same line, drive on worm screw rotating cover have can with the worm gear 21 of clutch two interlocks, worm gear connects Vidacare corp, and (this worm gear meshes another worm screw, another worm screw connects motor), clutch two intermediate groove coordinate with pull-fork assembly 12, realize clutch two switches between clutch one and worm gear, pull-fork assembly is fixedly connected with clutch handle 14.
Pull-fork assembly comprises shift fork 27, hand automatic trip fastener 25 and torsion spring 24, shift fork comprises intermediate cylinder 28 and is connected to the L shaped connecting rod 29 at intermediate cylinder two ends, two L shaped connecting rods are to same lateral bend, L shaped connecting rod end inner side is provided with dop 30, dop is stuck in clutch 2 11 intermediate groove, in the intermediate cylinder of shift fork, insert L shaped clutch handle 14 fixing, the rotating hand automatic trip of L shaped connecting rod end arranged outside fastener 25, between hand automatic trip fastener one end and L shaped connecting rod, torsion spring 24 is set, the hand automatic trip fastener the other end is flat-top, flat-top is used for withstanding on worm gear 21 end faces is kept manual mode, by torsion spring, the dropout part rotating is resetted.
Automatic separatory adjustment packing ring 15 and cylindrical spring 16 are installed between clutch one and clutch two.
Clutch 2 11 endoporus are that involute splines is installed on driving worm screw 22, it is fixing by heavy elastic cylindrical pin 17 that clutch 1 is installed on handwheel axis 18, handwheel axis is rotating, and to be arranged on handwheel 6 places that block a shot fixing by shaft block ring 19, handwheel block is fixed on clutch casing 31, clutch handle and driving worm screw are run through clutch casing, and clutch one, clutch two, pull-fork assembly and worm gear are all arranged in clutch casing.
Corresponding surface on clutch one, clutch two and worm gear is provided with the claw 33 for transmission is carried out in interlock mutually.
On worm gear, near on the end face of clutch two, be along the circumferential direction evenly provided with several convex tendons and groove 32, while rotating for worm gear, overwhelm hand automatic trip fastener and make pull-fork assembly revolution, clutch two get back to the position of motoring condition.
Electric actuator comprises that the electronic part, drive part, the hand that are arranged on casing automatically switch partly and manual operation section.
In the process of using, electric operating is decision design, cannot be directly switch to manually electronic in the situation that, and the rotation by motor under manual case can be directly switch to motoring condition without manual operation.
Working procedure is as follows:
While needing manually-operable, rotate and switch handle 14, thereby rotate pull-fork assembly, clutch 2 11 is stirred downwards, clutch two and clutch one 10 interlocks, clutch two departs from worm gear 21 simultaneously, hand automatic trip fastener is followed shift fork and is rotated the position being forwarded to straight up by oblique position and withstand on worm gear lower end surface, realized the locking of pull-fork assembly, do not need again the manual switching handle of pushing down, directly rotate handwheel, handwheel drives handwheel axis to rotate, thereby drive the clutch one on handwheel axis to rotate, clutch one band dynamic clutch two rotates, the spline of clutch two endoporus drives and drives worm screw to rotate, outputting power.Because worm gear empty set is driving on worm screw, so worm gear can not rotate, another worm screw can not rotated yet.
While needing electric operating, starting electrical machinery, thereby another worm screw that driven by motor connects is rotated and drives worm gear to rotate, when worm gear rotates, convex tendon and the groove of worm gear lower end surface stir the hand automatic trip fastener of pull-fork assembly backward until tilt, having realized pull-fork assembly threads off automatically, under the top power effect of the cylindroid helicalcoil compression spring below clutch two, clutch two moves up and clutch one disengaging, clutch two continue to move up until with worm gear lower end surface on claw interlock, worm gear rotates band dynamic clutch two and rotates, the spline of clutch two endoporus drives and drives worm screw to rotate, outputting power.
Claims (6)
1. the Manual-electric switching device of an electric actuator, comprise the handwheel being arranged on body, worm gear and clutch, it is characterized in that: clutch comprises clutch one and the clutch two of interlock mutually, clutch one is fixed on handwheel axis one end, the other end of handwheel axis is handwheel fixedly, clutch two endoporus are slidably enclosed within and are driven on worm screw by spline, drive the center line of worm screw and handwheel axis to be located along the same line, drive on worm screw rotating cover have can with the worm gear of clutch two interlocks, worm gear connects Vidacare corp, clutch two intermediate groove coordinate with pull-fork assembly, realize clutch two switches between clutch one and worm gear, pull-fork assembly is fixedly connected with clutch handle.
2. the Manual-electric switching device of electric actuator according to claim 1, it is characterized in that: pull-fork assembly comprises shift fork, hand automatic trip fastener and torsion spring, shift fork comprises intermediate cylinder and is connected to the L shaped connecting rod at intermediate cylinder two ends, two L shaped connecting rods are to same lateral bend, L shaped connecting rod end inner side is provided with dop, dop is stuck in clutch two intermediate groove, in the intermediate cylinder of shift fork, insert L shaped clutch handle fixing, the rotating hand automatic trip of L shaped connecting rod end arranged outside fastener, between hand automatic trip fastener one end and L shaped connecting rod, torsion spring is set, the hand automatic trip fastener the other end is flat-top, flat-top is used for withstanding on worm gear end face is kept manual mode, by torsion spring, the dropout part rotating is resetted.
3. the Manual-electric switching device of electric actuator according to claim 1 and 2, is characterized in that: automatic separatory adjustment packing ring and cylindrical spring are installed between clutch one and clutch two.
4. the Manual-electric switching device of electric actuator according to claim 2, it is characterized in that: clutch two endoporus are that involute splines is installed on driving worm screw, clutch one is installed on handwheel axis and fixes by heavy elastic cylindrical pin, the rotating handwheel block place that is arranged on of handwheel axis is fixed by shaft block ring, handwheel block is fixed on clutch casing, clutch handle and driving worm screw are run through clutch casing, and clutch one, clutch two, pull-fork assembly and worm gear are all arranged in clutch casing.
5. the Manual-electric switching device of electric actuator according to claim 1 and 2, is characterized in that: the corresponding surface on clutch one, clutch two and worm gear is provided with the claw for transmission is carried out in interlock mutually.
6. the Manual-electric switching device of electric actuator according to claim 1 and 2, it is characterized in that: on worm gear, near on the end face of clutch two, be along the circumferential direction evenly provided with several convex tendons and groove, while rotating for worm gear, overwhelm hand automatic trip fastener and make pull-fork assembly revolution, clutch two get back to the position of motoring condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420225487.9U CN203880191U (en) | 2014-05-05 | 2014-05-05 | Manual operation and electric operation switching device of electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420225487.9U CN203880191U (en) | 2014-05-05 | 2014-05-05 | Manual operation and electric operation switching device of electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203880191U true CN203880191U (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420225487.9U Expired - Fee Related CN203880191U (en) | 2014-05-05 | 2014-05-05 | Manual operation and electric operation switching device of electric actuator |
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| CN (1) | CN203880191U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565508A (en) * | 2014-12-22 | 2015-04-29 | 上海大成仪表有限责任公司 | Transverse-mounting type pneumatic piston executing mechanism of angular travel adjusting valve |
| CN105065485A (en) * | 2015-07-24 | 2015-11-18 | 温州瑞鹏电机系统有限公司 | Clutch reduction gear for motor |
| CN105071591A (en) * | 2015-07-24 | 2015-11-18 | 温州瑞鹏电机系统有限公司 | Anti-abrasive reducing motor with clutch function |
| CN105071592A (en) * | 2015-07-24 | 2015-11-18 | 温州瑞鹏电机系统有限公司 | Speed reduction motor with clutch function |
| CN105952950A (en) * | 2016-06-30 | 2016-09-21 | 天津市津达执行器有限公司 | Double hand wheel electric actuator |
-
2014
- 2014-05-05 CN CN201420225487.9U patent/CN203880191U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565508A (en) * | 2014-12-22 | 2015-04-29 | 上海大成仪表有限责任公司 | Transverse-mounting type pneumatic piston executing mechanism of angular travel adjusting valve |
| CN104565508B (en) * | 2014-12-22 | 2017-02-01 | 上海大成仪表有限责任公司 | Transverse-mounting type pneumatic piston executing mechanism of angular travel adjusting valve |
| CN105065485A (en) * | 2015-07-24 | 2015-11-18 | 温州瑞鹏电机系统有限公司 | Clutch reduction gear for motor |
| CN105071591A (en) * | 2015-07-24 | 2015-11-18 | 温州瑞鹏电机系统有限公司 | Anti-abrasive reducing motor with clutch function |
| CN105071592A (en) * | 2015-07-24 | 2015-11-18 | 温州瑞鹏电机系统有限公司 | Speed reduction motor with clutch function |
| CN105952950A (en) * | 2016-06-30 | 2016-09-21 | 天津市津达执行器有限公司 | Double hand wheel electric actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20180505 |
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| CF01 | Termination of patent right due to non-payment of annual fee |