CN207349543U - One kind is without clutch Electric Actuator - Google Patents
One kind is without clutch Electric Actuator Download PDFInfo
- Publication number
- CN207349543U CN207349543U CN201721171437.7U CN201721171437U CN207349543U CN 207349543 U CN207349543 U CN 207349543U CN 201721171437 U CN201721171437 U CN 201721171437U CN 207349543 U CN207349543 U CN 207349543U
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- CN
- China
- Prior art keywords
- gear
- electric actuator
- planetary gear
- sun gear
- sun
- 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.)
- Expired - Fee Related
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Abstract
Machinery field is the utility model is related to, is related to Electric Actuator.A kind of without clutch Electric Actuator, including an Electric Actuator, Electric Actuator includes a motor, a gearbox, and gearbox includes a housing, the first sun gear is equipped with housing；The output shaft of motor is drivingly connected the first sun gear, and the engagement of the first sun gear connects at least one first planetary gear；Inner side engagement the first sun gear of connection of first planetary gear, the first gear ring of outside engagement connection, the second gear ring of the first planetary gear, output gear is used as using the second gear ring；It is toothed around on the lateral wall of first gear ring, using the first gear ring as worm gear, worm gear connects a worm screw, and worm screw connects a handwheel.The utility model optimizes the structure of original Electric Actuator, planetary gear and turbine are integrated by the first gear ring, using worm gear, the self-locking performance of worm screw, user can be inputted without arrangement of clutch switch motor kinetic energy or the input of handwheel artificial kinetic energy, it is easy to operate, efficient easy to control valve.
Description
Technical field
It the utility model is related to machinery field, and in particular, to Electric Actuator.
Background technology
For the existing Electric Actuator rotated for control valve due to torque demand, volume is big, and area occupied is big, unfavorable
In installation；It need to could switch manual and motor-driven mode by arrangement of clutch, complicated, reduce user uses body
Test.
Utility model content
The purpose of this utility model is to provide one kind without clutch Electric Actuator, is asked with solving above-mentioned at least one technology
Topic.
In order to achieve the above object, the utility model uses following technical proposals：
One kind is without clutch Electric Actuator, including an Electric Actuator, it is characterised in that the Electric Actuator includes one
Motor, a gearbox, the gearbox include a housing, the first sun gear are equipped with the housing；
Output shaft drive connection first sun gear of the motor, the first sun gear engagement connection are at least one
First planetary gear；
The inner side engagement of first planetary gear connects first sun gear, and the outside engagement of first planetary gear connects
The first gear ring, the second gear ring are connect, output gear is used as using second gear ring；
It is toothed around on the lateral wall of first gear ring, using first gear ring as worm gear, the worm gear connection one
Worm screw, the worm screw connect a handwheel.
The utility model optimizes the structure of original Electric Actuator, by the first gear ring that planetary gear is whole with turbine
Close, using worm gear, the self-locking performance of worm screw, user can be inputted without arrangement of clutch switch motor kinetic energy or handwheel artificial kinetic energy is defeated
Enter, it is easy to operate, efficient easy to control valve.
The second sun gear is equipped with the housing, the output shaft of the motor is drivingly connected second sun gear；
Second sun gear, which engages, connects at least one second planetary gear, described in the inner side engagement of second planetary gear
Second sun gear, outside engagement the 3rd gear ring of connection of second planetary gear, the 3rd gear ring are fixed on the housing；
First sun gear is fixedly connected with second planetary gear, and then the output shaft drive connection institute of the motor
State the first sun gear.And then the second sun gear is driven by motor, the second sun gear drives the second planetary gear, the second planetary gear band
Dynamic first sun gear.By this design increase gear ratio, moment of torsion, reduce volume, be easily installed and use.In order to improve effect,
Multiple similar structures can be increased.
Second sun gear, first sun gear are from top to bottom successively set in the housing.Easy to reduce body
Product.
The motor uses servomotor.The rotating speed of controllable motor output, torque.
The output shaft of the servomotor is also connected with an encoder.And then optimize existing equipment, passed without counter, position
The devices such as sensor, reduce cost, easy to manufacture.
Brief description of the drawings
Fig. 1 is the part-structure sectional view of the utility model；
Fig. 2 is the part-structure sectional view at the worm screw of the utility model.
Embodiment
Specific embodiment of the present utility model is further described below in conjunction with attached drawing.
As depicted in figs. 1 and 2, it is a kind of to include one without clutch Electric Actuator, including an Electric Actuator, Electric Actuator
Motor 3, a gearbox, gearbox include a housing 12, the first sun gear 8 are equipped with housing；The output shaft 4 of motor is sequentially connected
First sun gear, the engagement of the first sun gear connect at least one first planetary gear 10；The inner side engagement connection the of first planetary gear
One sun gear, the first gear ring of outside engagement connection, the second gear ring of the first planetary gear, output gear 11 is used as using the second gear ring；
It is toothed around on the lateral wall of first gear ring, using the first gear ring as worm gear 9, worm gear connects a worm screw 13, and worm screw connection is on the other hand
Wheel 14.The utility model optimizes the structure of original Electric Actuator, is integrated planetary gear and turbine by the first gear ring,
Using worm gear, the self-locking performance of worm screw, user can be inputted without arrangement of clutch switch motor kinetic energy or the input of handwheel artificial kinetic energy, just
It is easy to operate, efficient in control valve.
The second sun gear 5 is equipped with housing, the output shaft of motor is drivingly connected the second sun gear；The engagement of second sun gear connects
At least one second planetary gear 7 is connect, the second sun gear, the outside engagement connection of the second planetary gear are engaged in the inner side of the second planetary gear
3rd gear ring 6, the 3rd gear ring are fixed on housing；First sun gear is fixedly connected with the second planetary gear, and then the output of motor
Axis the first sun gear of drive connection.And then by motor drive the second sun gear, the second sun gear drive the second planetary gear, second
Planetary gear drives the first sun gear.By this design increase gear ratio, moment of torsion, reduce volume, be easily installed and use.In order to carry
High effect, can increase multiple similar structures.
Second sun gear, the first sun gear are from top to bottom successively set in housing.Easy to reduce volume.
Motor uses servomotor.The rotating speed of controllable motor output, torque.
The output shaft of servomotor is also connected with an encoder 2.And then optimize existing equipment, without counter, position sensing
The devices such as device, reduce cost, easy to manufacture.
Encoder be externally provided with one be used for protect cover body 1.And then protect encoder.
Specific embodiment one：
Second planetary gear is one, and the number of teeth on the inside of worm gear lacks a tooth compared to the number of teeth of output gear.
When electronic, motor output shaft drives the second sun gear 5 to rotate, because the 3rd gear ring 6 is fixed, the second planetary gear
7 will rotate, and the second planetary gear 7 just drives the first sun gear 8 to rotate, and the first sun gear 8 just drives the first planetary gear 10 to rotate,
Cover two gear rings outside first planetary gear 10 at the same time, one is worm gear 9, and one is output gear 11, the number of teeth and output in worm gear 9
Gear ring 11 differs a tooth, and device just utilizes the self-locking performance of worm gear, and worm gear 9 cannot rotate, and the first planetary gear part 10 rotates a circle,
Output gear 11 just turns a tooth, in this way, whole device obtains a very big speed reducing ratio；
When manual, handwheel 14 drives worm screw 13 to rotate, and worm gear 9 is just rotated with certain speed reducing ratio, worm gear 9 and output gear 11
By the chimeric of the first planetary gear 10, the output gear 11 made rotates at a same speed with worm gear 9.
It is electronic with manually between can any switching laws whenever and wherever possible, i.e., can be manual under motoring condition, in manual mode
Under can also be electronic；And when electronic, manual input mechanism（That is handwheel）It is non-rotary, effectively protects the safety of operator；
There is no forget that carrying out clutch switching causes the result of actuator damage.
Specific embodiment two：
Second planetary gear is two, and the number of teeth on the inside of worm gear lacks two teeth compared to the number of teeth of output gear.
The number of teeth differs two teeth with output gear in worm gear, and device just utilizes the self-locking performance of worm gear, by transmission, the first row
Star-wheel part rotates a circle, and output gear rotates two teeth.
Specific embodiment three：
Second planetary gear is three, and the number of teeth on the inside of worm gear lacks three teeth compared to the number of teeth of output gear.
The number of teeth differs three teeth with output gear in worm gear, and device just utilizes the self-locking performance of worm gear, by transmission, the first row
Star-wheel part rotates a circle, and output gear rotates three teeth.
Specifically, when the second planetary gear is one, the top of the first sun gear is equipped with a discoid plate body, tabular
The diameter of body is not less than the interval between the second sun gear and the second planetary gear, and then the lower part of the second planetary gear is fixed to tabular
On body.And then first sun gear be fixedly connected with the second planetary gear.
When the second planetary gear is two or more, the top of the first sun gear is equipped with a discoid plate body,
The diameter of plate body is not less than the interval between two neighboring second planetary gear, and then the lower part of the second planetary gear is fixed to tabular
On body.And then first sun gear be fixedly connected with the second planetary gear.
Plate body is equipped with the first groove, and the middle part of the second planetary gear is equipped with the second groove；
Gearbox includes at least two connecting rods, and the top of connecting rod is embedded in the second groove, the lower part insertion of connecting rod the
One groove.It is simple in structure, easy to manufacture or transform existing equipment, easy to disassemble, replacement, maintenance.
Second planetary gear uses integral structure with connecting rod.Structural strength is improved using integral structure, and then is improved
The service life of integral device.
Although the content of the utility model is discussed in detail by above preferred embodiment, but it should be appreciated that on
The description stated is not considered as the limitation to the utility model.After those skilled in the art have read the above, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the scope of protection of the utility model should be by appended
Claim limit.
Claims (10)
1. one kind is without clutch Electric Actuator, including an Electric Actuator, it is characterised in that the Electric Actuator includes an electricity
Machine, a gearbox, the gearbox include a housing, the first sun gear are equipped with the housing；
Output shaft drive connection first sun gear of the motor, the first sun gear engagement connection at least one first
Planetary gear；
The inner side engagement of first planetary gear connects first sun gear, the outside engagement connection of first planetary gear the
One gear ring, the second gear ring, output gear is used as using second gear ring；
It is toothed around on the lateral wall of first gear ring, using first gear ring as worm gear, the worm gear connects a worm screw,
The worm screw connects a handwheel.
2. one kind as claimed in claim 1 is without clutch Electric Actuator, it is characterised in that is equipped with second sun in the housing
Wheel, the output shaft of the motor are drivingly connected second sun gear；
The second sun gear engagement connects at least one second planetary gear, the inner side engagement described second of second planetary gear
Sun gear, outside engagement the 3rd gear ring of connection of second planetary gear, the 3rd gear ring are fixed on the housing；
First sun gear is fixedly connected with second planetary gear, and then the output shaft of the motor is sequentially connected described the
One sun gear.
3. one kind as claimed in claim 2 is without clutch Electric Actuator, it is characterised in that second sun gear, described the
One sun gear is from top to bottom successively set in the housing.
4. one kind as claimed in claim 1 is without clutch Electric Actuator, it is characterised in that the motor uses servomotor.
5. one kind as claimed in claim 4 is without clutch Electric Actuator, it is characterised in that the output shaft of the servomotor is also
Connect an encoder.
6. one kind as claimed in claim 2 is without clutch Electric Actuator, it is characterised in that second planetary gear is one,
The number of teeth on the inside of the worm gear lacks a tooth compared to the number of teeth of the output gear.
7. one kind as claimed in claim 2 is without clutch Electric Actuator, it is characterised in that second planetary gear is two,
The number of teeth on the inside of the worm gear lacks two teeth compared to the number of teeth of the output gear.
8. one kind as claimed in claim 2 is without clutch Electric Actuator, it is characterised in that second planetary gear is three,
The number of teeth on the inside of the worm gear lacks three teeth compared to the number of teeth of the output gear.
9. one kind as claimed in claim 6 is without clutch Electric Actuator, it is characterised in that the top of first sun gear is set
There is a discoid plate body, the diameter of the plate body is not less than between second sun gear and second planetary gear
Interval, and then the lower part of second planetary gear is fixed on the plate body.
10. as claimed in claim 7 or 8 one kind without clutch Electric Actuator, it is characterised in that first sun gear it is upper
Portion is equipped with a discoid plate body, between the diameter of the plate body is not less than between two neighboring second planetary gear
Every, and then the lower part of second planetary gear is fixed on the plate body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721171437.7U CN207349543U (en) | 2017-09-13 | 2017-09-13 | One kind is without clutch Electric Actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721171437.7U CN207349543U (en) | 2017-09-13 | 2017-09-13 | One kind is without clutch Electric Actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349543U true CN207349543U (en) | 2018-05-11 |
Family
ID=62410946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721171437.7U Expired - Fee Related CN207349543U (en) | 2017-09-13 | 2017-09-13 | One kind is without clutch Electric Actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349543U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692091A (en) * | 2018-07-05 | 2018-10-23 | 大连亨利测控仪表工程有限公司 | The electronic roller screw executing agency of worm gear planetary gear set SERVO CONTROL |
| CN109681690A (en) * | 2018-12-28 | 2019-04-26 | 常州市汇丰船舶附件制造有限公司 | The deceleration device of valve intelligent actuator |
| CN112503151A (en) * | 2020-12-14 | 2021-03-16 | 裕克施乐塑料制品（太仓）有限公司 | Torque induction protection mechanical bidirectional clutch manual-automatic integrated rotary actuator |
| CN112984193A (en) * | 2021-02-23 | 2021-06-18 | 中国石化销售有限公司华南分公司 | Spring reset electric actuator |
| CN113819293A (en) * | 2021-11-22 | 2021-12-21 | 天津奥美自动化***有限公司 | Partial rotation electric actuator |
-
2017
- 2017-09-13 CN CN201721171437.7U patent/CN207349543U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692091A (en) * | 2018-07-05 | 2018-10-23 | 大连亨利测控仪表工程有限公司 | The electronic roller screw executing agency of worm gear planetary gear set SERVO CONTROL |
| CN109681690A (en) * | 2018-12-28 | 2019-04-26 | 常州市汇丰船舶附件制造有限公司 | The deceleration device of valve intelligent actuator |
| CN112503151A (en) * | 2020-12-14 | 2021-03-16 | 裕克施乐塑料制品（太仓）有限公司 | Torque induction protection mechanical bidirectional clutch manual-automatic integrated rotary actuator |
| CN112503151B (en) * | 2020-12-14 | 2024-01-05 | 裕克施乐塑料制品（太仓）有限公司 | Mechanical bidirectional clutch manual-automatic rotary actuator with torque induction protection function |
| CN112984193A (en) * | 2021-02-23 | 2021-06-18 | 中国石化销售有限公司华南分公司 | Spring reset electric actuator |
| CN112984193B (en) * | 2021-02-23 | 2022-11-08 | 中国石化销售有限公司华南分公司 | Spring reset electric actuator |
| CN113819293A (en) * | 2021-11-22 | 2021-12-21 | 天津奥美自动化***有限公司 | Partial rotation electric actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20200913 |