CN221443495U - Electric actuator moment increasing mechanism - Google Patents
Electric actuator moment increasing mechanism Download PDFInfo
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- CN221443495U CN221443495U CN202323513403.XU CN202323513403U CN221443495U CN 221443495 U CN221443495 U CN 221443495U CN 202323513403 U CN202323513403 U CN 202323513403U CN 221443495 U CN221443495 U CN 221443495U
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- shaft
- gear
- electric actuator
- upper cover
- seat
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- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The application relates to the field of electric actuators, and particularly discloses a torque increasing mechanism of an electric actuator, which comprises a shell, a driving shaft, a transmission gear set and an output shaft, wherein the transmission gear set is provided with six-stage gear transmission, and is sequentially provided with a first shaft, a second shaft, a third gear shaft, a fourth gear shaft, a fifth gear shaft and a sixth gear shaft, the sixth gear shaft is coaxially fixed with the output shaft, and two gears of the fifth gear set and the sixth gear set are widened gears. According to the application, the gear sets of the fifth stage and the sixth stage are arranged to widen the gears, so that the contact line length in the gear transmission process is increased, the bearing capacity is improved, the application range of the machine type is enlarged, and the overall service life is effectively prolonged.
Description
Technical Field
The application relates to the field of electric actuators, in particular to a moment increasing mechanism of an electric actuator.
Background
The electric actuator is a pipeline accessory for driving the valve to open and close, fluid in the pipeline is regulated, the output torque of the electric actuator depends on the caliber of the valve, and the larger the caliber of the valve is, the larger the opening and closing torque is required.
The Chinese patent application number 2023215899202 discloses a transmission mechanism of an electric actuator with high regulation precision, which comprises a driving shaft, a transmission gear set and an output shaft, wherein the transmission gear set is of a six-stage transmission structure. In the actual operation process of the actuator, if the aperture of the valve is increased, the output torque of the electric actuator is also increased. However, the output torque of the electric actuator increases, which results in an increase in the load applied to the original gear set, and the electric actuator is easy to wear or damage after long-term use.
In order to solve the problems, the application provides an electric actuator moment increasing mechanism.
Disclosure of Invention
In order to improve the durability of the electric actuator, the application provides the torque increasing mechanism of the electric actuator, which has longer service life.
The torque increasing mechanism of the electric actuator provided by the application adopts the following technical scheme:
The torque increasing mechanism of the electric actuator comprises a shell, a driving shaft, a transmission gear set and an output shaft, wherein the transmission gear set is provided with six-stage gear transmission, the transmission gear set is sequentially provided with a first shaft, a second shaft, a third gear shaft, a fourth gear shaft, a fifth gear shaft and a sixth gear shaft, the sixth gear shaft is coaxially fixed with the output shaft, and two gears of the sixth-stage gear set are all widened gears.
Through adopting above-mentioned technical scheme, set up sixth level gear train into widening gear, in the transmission, widen the gear and can increase contact line length, overall strength is higher can transmit bigger moment of torsion, and wear-resisting degree is high, can improve holistic life.
Optionally, the fourth gear shaft is an extension gear shaft, the fourth gear shaft is an input shaft of the fifth-stage gear set, and the output gear of the fifth-stage gear set is also a widening gear.
By adopting the technical scheme, the fifth-stage gear set is widened, so that the structural strength of the fifth-stage gear set can be improved, and the bearing capacity is improved.
Optionally, bearings are mounted at two ends of the fourth gear shaft, and the fourth gear shaft is rotatably mounted on the housing through the bearings.
Through adopting above-mentioned technical scheme, because fourth gear shaft extension, fourth gear shaft driven power is bigger, and both ends installation bearing can effectively reduce fourth gear shaft's rotation resistance, improves transmission efficiency.
Optionally, the casing includes upper cover and base member, the position that corresponds the first axle on the inner wall of upper cover is provided with inwards protruding first axle bed, the first axle be close to the one end of upper cover insert locate in the first axle bed and with first axle bed normal running fit.
By adopting the technical scheme, the first shaft seat is arranged on the upper cover, so that the length of the first shaft can be shortened, the integral strength of the first shaft is further improved, and the longer the first shaft is, the more easily the first shaft is bent; and, the first axle can follow the original structure, thereby reduce manufacturing cost.
Optionally, a second shaft seat protruding inwards is arranged on the inner wall of the upper cover at a position corresponding to the second shaft, and one end, close to the upper cover, of the second shaft is inserted into the second shaft seat and is in running fit with the second shaft seat.
Through adopting above-mentioned technical scheme, set up the second axle seat, can shorten the length of second axle, improve the intensity and the durability of second axle.
Optionally, a third shaft seat protruding inwards is arranged on the inner wall of the upper cover at a position corresponding to the third gear shaft, and one end, close to the upper cover, of the third gear shaft is inserted into the third shaft seat and is in running fit with the third shaft seat.
Through adopting above-mentioned technical scheme, set up the third axle bed, can shorten the length of third axle, improve the intensity and the durability of third axle.
Optionally, a connecting hole for connecting the valve rod is coaxially formed on the output shaft, and the output shaft protrudes out of the housing.
Optionally, the bearing is configured as a deep groove ball bearing.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The sixth-stage gear set is set to be the widened gear, so that the contact line length can be increased by the widened gear in the transmission process, the contact stress is improved, the overall strength is higher, larger torque can be transmitted, the wear resistance is high, and the overall service life can be prolonged;
2. because the fourth gear shaft is lengthened, the force of the fourth gear shaft is larger, and the bearings are arranged at the two ends, the transmission resistance of the fourth gear shaft can be effectively reduced, and the transmission efficiency is improved;
3. through set up first axle bed on the upper cover, can shorten the length of first axle, and then improve the bulk strength of first axle, the longer more easy bending that takes place of first axle to, first axle can follow the structure originally, thereby reduction in production cost.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Reference numerals: 1. a housing; 11. an upper cover; 12. a base; 13. a first shaft seat; 14. a second axle seat; 15. a third shaft seat; 2. a drive shaft; 3. a drive gear set; 31. a first shaft; 32. a second shaft; 33. a third gear shaft; 34. a fourth gear shaft; 35. a fifth gear shaft; 36. a sixth gear shaft; 4. an output shaft; 41. a connection hole; 5. and (3) a bearing.
Detailed Description
The present application will be described in further detail with reference to fig. 1.
The embodiment of the application discloses a torque increasing mechanism of an electric actuator, which comprises a shell 1, a driving shaft 2, a transmission gear set 3 and an output shaft 4, wherein the shell 1 comprises a base body 12 and an upper cover 11 fixed on the base body 12 through bolts, and the transmission gear set 3 is arranged in the shell 1. The transmission gear set 3 is configured as six-stage transmission, and is sequentially a first shaft 31, a second shaft 32, a third gear shaft 33, a fourth gear shaft 34, a fifth gear shaft 35 and a sixth gear shaft 36, the driving shaft 2 is coaxially fixed with the input teeth of the first-stage gear set, and the output shaft 4 is coaxially fixed with the sixth gear shaft 36. A connecting hole 41 for connecting the valve rod is coaxially formed at the end of the output shaft 4, and the output shaft 4 protrudes from the base 12.
The fifth-stage gear set and the sixth-stage gear set are both widened gears, the widened gears can increase the length of contact lines between the gears, contact stress is increased, bearing capacity is improved, and higher torque can be transmitted. The fourth gear shaft 34 is an input shaft of the fifth-stage gear set, and the fourth gear shaft 34 is an elongated shaft. The bearings 5 are arranged at the two ends of the fourth gear shaft 34, the bearings 5 are deep groove ball bearings, when the fourth gear shaft 34 transmits larger torque, the friction force and abrasion of the two ends of the fourth gear shaft 34 are larger, and the arrangement of the bearings 5 can effectively reduce the rotation friction of the fourth gear shaft 34 and improve the transmission efficiency.
The upper cover 11 is provided with a first shaft seat 13, a second shaft seat 14 and a third shaft seat 15 which are protruded inwards, wherein the first shaft seat 13, the second shaft 32 and the third shaft seat 33 are formed integrally at positions corresponding to the first shaft 31, the second shaft 32 and the third shaft 33, the first shaft 31 is inserted into the first shaft seat 13 and is in running fit with the first shaft seat 13, the second shaft 32 is inserted into the second shaft seat 14 and is in running fit with the second shaft seat 14, and the end part of the third shaft 33 is inserted into the third shaft seat 15 and is in running fit with the third shaft seat 15. By arranging the first shaft seat 13, the second shaft seat 14 and the third shaft seat 15, the lengths of the first shaft 31, the second shaft 32 and the third gear shaft 33 can be effectively shortened, and the longer the dimension of the shaft piece is, the more easily the shaft piece is bent on the premise of the same diameter; in addition, the lengths of the first shaft 31, the second shaft 32 and the third gear shaft 33 can be used as the previous parts, so that the production cost is reduced.
The embodiment of the application discloses an implementation principle of an electric actuator moment increasing mechanism, which comprises the following steps: the tooth widths of the fifth-stage gear set and the sixth-stage gear set are increased, so that the overall structural strength can be effectively improved, and larger torque can be transmitted to meet the use requirement; in addition, the widened gear set structure has the advantages that the contact line is lengthened during transmission, the contact stress is increased, the fatigue resistance is higher, and the service life can be effectively prolonged.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. An electric actuator torque-up mechanism, comprising: the novel gear comprises a shell (1), a driving shaft (2), a transmission gear set (3) and an output shaft (4), wherein the transmission gear set (3) is provided with six-stage gear transmission, the transmission gear set is sequentially provided with a first shaft (31), a second shaft (32), a third gear shaft (33), a fourth gear shaft (34), a fifth gear shaft (35) and a sixth gear shaft (36), the sixth gear shaft (36) is coaxially fixed with the output shaft (4), and two gears of the sixth-stage gear set are all widened gears.
2. The electric actuator torque-up mechanism of claim 1, wherein the fourth gear shaft (34) is configured as an extension gear shaft, the fourth gear shaft (34) is an input shaft of a fifth stage gear set, and an output gear of the fifth stage gear set is also configured as a widening gear.
3. The electric actuator moment increasing mechanism according to claim 2, wherein bearings (5) are mounted at both ends of the fourth gear shaft (34), and the fourth gear shaft (34) is rotatably mounted on the housing (1) through the bearings (5).
4. The electric actuator moment increasing mechanism according to claim 1, wherein the housing (1) comprises an upper cover (11) and a base body (12), a first shaft seat (13) protruding inwards is arranged on the inner wall of the upper cover (11) at a position corresponding to the first shaft (31), and one end, close to the upper cover (11), of the first shaft (31) is inserted into the first shaft seat (13) and is in rotary fit with the first shaft seat (13).
5. The torque increasing mechanism of an electric actuator according to claim 4, wherein a second shaft seat (14) protruding inwards is provided on the inner wall of the upper cover (11) at a position corresponding to the second shaft (32), and one end of the second shaft (32) close to the upper cover (11) is inserted into the second shaft seat (14) and is in running fit with the second shaft seat (14).
6. The torque increasing mechanism of an electric actuator according to claim 4, wherein a third shaft seat (15) protruding inwards is provided on an inner wall of the upper cover (11) at a position corresponding to the third gear shaft (33), and one end of the third gear shaft (33) close to the upper cover (11) is inserted into the third shaft seat (15) and is in rotational fit with the third shaft seat (15).
7. The electric actuator moment increasing mechanism according to claim 1, wherein the output shaft (4) is coaxially provided with a connecting hole (41) for connecting a valve rod, and the output shaft (4) protrudes from the housing (1).
8. A torque-multiplication mechanism for an electric actuator according to claim 3, characterized in that the bearing (5) is provided as a deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323513403.XU CN221443495U (en) | 2023-12-21 | 2023-12-21 | Electric actuator moment increasing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323513403.XU CN221443495U (en) | 2023-12-21 | 2023-12-21 | Electric actuator moment increasing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221443495U true CN221443495U (en) | 2024-07-30 |
Family
ID=92063127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323513403.XU Active CN221443495U (en) | 2023-12-21 | 2023-12-21 | Electric actuator moment increasing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221443495U (en) |
-
2023
- 2023-12-21 CN CN202323513403.XU patent/CN221443495U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Meichenghou Trading Co.,Ltd. Assignor: FLOWINN (SHANGHAI) FLUID POWER EQUIPMENT CO.,LTD. Contract record no.: X2024980016698 Denomination of utility model: An electric actuator torque increasing mechanism Granted publication date: 20240730 License type: Common License Record date: 20240929 |
|
| EE01 | Entry into force of recordation of patent licensing contract |