CN215409996U - Helical tooth type planetary reducer - Google Patents
Helical tooth type planetary reducer Download PDFInfo
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- CN215409996U CN215409996U CN202121539694.8U CN202121539694U CN215409996U CN 215409996 U CN215409996 U CN 215409996U CN 202121539694 U CN202121539694 U CN 202121539694U CN 215409996 U CN215409996 U CN 215409996U
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Abstract
The utility model relates to an oblique tooth type planetary speed reducer which comprises a front end cover, a sun gear, an inner gear and a rear end cover, wherein the front end cover and the rear end cover are respectively connected with two sides of the inner gear; the sun wheel and the coupling are integrally formed. The utility model has the following beneficial effects: the overall precision of the planetary reducer is obviously improved, and the service life is obviously prolonged; the device is suitable for the use working conditions of low rotating speed and large load.
Description
Technical Field
The utility model relates to the technical field of planetary speed reducers, in particular to a helical tooth type planetary speed reducer.
Background
The planetary reducer has the characteristics of small volume, light weight, high bearing capacity, long service life, stable operation, low noise, large output torque, large speed ratio, high efficiency, safe performance and the like, and is widely applied to industrial products. At present, a planetary reducer is used in a fish pond aerator, a part of the reducer is used, the rotating speed required by the fish pond aerator is lower, but the load is larger, most of the planetary gears of the conventional planetary reducer are installed through bearings, and after the reducer is used for a period of time, gaps are easily generated among the gears due to the abrasion of the bearings, the gears can deflect, the precision is reduced, and the service life is shortened; so that the cost of using a conventional reduction gear is lower than the cost of using a planetary reduction gear.
Meanwhile, the sun gear of the existing planetary reducer is connected with the motor through a coupler, the coupler is connected with the sun gear through a key, and the transmission precision is reduced, even serious abrasion is generated and the service life is shortened due to the fact that one connecting component is arranged in the transmission process.
The current planetary reduction gear does not achieve the predetermined working effect for users, and increases the cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a helical tooth type planetary reducer which has high precision and prolonged service life.
The technical solution for realizing the purpose of the utility model is as follows: the utility model provides an oblique tooth type planetary reducer, includes front end housing, sun gear, internal gear and rear end cap, front end housing and rear end cap are connected its characterized in that with the internal gear both sides respectively: still include 3 planet wheels, the front end housing inboard is equipped with the rotating turret, the rotating turret includes the rolling disc and the output shaft of being connected with the rolling disc, the planet wheel passes through the planet round pin and establishes on the rolling disc, the sun gear is equipped with the shaft coupling of being connected with the motor, the rear end cap cover is on the shaft coupling, the sun gear with the planet wheel meshing is connected, the planet wheel is connected with the internal gear meshing, be equipped with the axle sleeve between planet wheel and the planet round pin, sun gear, internal gear and planet wheel adopt skewed tooth.
The sun wheel and the coupling are integrally formed.
More than two first bearings are arranged between the output shaft and the front end cover, wherein one part of the first bearings are arranged at one end close to the rotating disc, and the rest first bearings are arranged in the middle of the output shaft.
The rear end cover is provided with a flange fixedly connected with the motor.
The flange is removably disposed on the rear end cap.
And a fixed seat is arranged on the outer side of the inner gear.
The helical tooth type planetary reducer has the following beneficial effects: the sun gear, the inner gear and the planet gear adopt helical teeth, the helical tooth transmission has high efficiency, low noise and high positioning precision, meanwhile, a shaft sleeve is adopted, the fit clearance between the shaft sleeve and the planet pin is small, the shaft sleeve and the planet pin are in surface contact, and the sun gear and the coupling are integrally formed, so that the overall precision of the planet speed reducer is obviously improved, and the service life is obviously prolonged; the planetary reducer is suitable for the use working conditions of low rotating speed and large load, and can improve the requirement of customers on the planetary reducer.
Drawings
The utility model is explained in detail below with reference to the drawings and the embodiments;
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the utility model with parts broken away;
FIG. 3 is a schematic diagram of the explosion structure of the present invention (the circlip is not shown);
FIG. 4 is a left side schematic view of the present invention;
FIG. 5 is a schematic cross-sectional view A-A of FIG. 4;
fig. 6 is a schematic view of the sun gear of the present invention.
Detailed Description
As shown in fig. 1 to 6, an oblique tooth type planetary reducer comprises a front end cover 1, a sun gear 2, 3 planet gears 3, an internal gear 4 and a rear end cover 5, wherein the front end cover 1 and the rear end cover 5 are respectively connected with two sides of the internal gear 4, a rotating frame 6 is arranged on the inner side of the front end cover 1, the rotating frame 6 comprises a rotating disc 6.1 and an output shaft 6.2 connected with the rotating disc 6.1, the planet gears 3 are arranged on the rotating disc 6.1 through planet pins 7, the sun gear 2 is provided with a coupling 2.1 connected with a motor, and the sun gear 2 and the coupling 2.1 are integrally formed. The rear end cover 5 is sleeved on the coupler 2.1, the sun gear 2 is meshed with the planet gear 3, the planet gear 3 is meshed with the inner gear 4, a shaft sleeve 8 is arranged between the planet gear 3 and the planet pin 7, the planet gear 3 is axially positioned on the planet pin 7 through a clamp spring 13, and the sun gear 2, the inner gear 4 and the planet gear 3 adopt helical teeth.
Three first bearings 9 are arranged between the output shaft 6.2 and the front end cover 1, wherein one first bearing 9 is arranged at one end close to the rotating disc 6.1, and the remaining two first bearings 9 are arranged in the middle of the output shaft 6.2.
A second bearing 10 is arranged between the coupler 2.1 and the rear end cover 5, a sun wheel shaft 2.2 is arranged at the other end of the sun wheel 2 far away from the coupler 2.1, and a third bearing 11 is arranged between the sun wheel shaft 2.2 and the rotating disc 6.1
The rear end cover 5 is provided with a flange 12 which is fixedly connected with the motor and can be detached.
And a fixed seat 4.1 is arranged on the outer side of the inner gear 4.
The other end of the front end cover 1, which is far away from the internal gear, is provided with a detachable small end cover 1.1 for installing an oil seal, so that the oil seal is convenient to install (the oil seal is not drawn in the drawing).
Claims (6)
1. The utility model provides an oblique tooth type planetary reducer, includes front end housing, sun gear, internal gear and rear end cap, front end housing and rear end cap are connected its characterized in that with the internal gear both sides respectively: still include 3 planet wheels, the front end housing inboard is equipped with the rotating turret, the rotating turret includes the rolling disc and the output shaft of being connected with the rolling disc, the planet wheel passes through the planet round pin and establishes on the rolling disc, the sun gear is equipped with the shaft coupling of being connected with the motor, the rear end cap cover is on the shaft coupling, the sun gear with the planet wheel meshing is connected, the planet wheel is connected with the internal gear meshing, be equipped with the axle sleeve between planet wheel and the planet round pin, sun gear, internal gear and planet wheel adopt skewed tooth.
2. The helical tooth type planetary reducer according to claim 1, wherein: the sun wheel and the coupling are integrally formed.
3. The helical tooth type planetary reducer according to claim 1, wherein: more than two first bearings are arranged between the output shaft and the front end cover, wherein one part of the first bearings are arranged at one end close to the rotating disc, and the rest first bearings are arranged in the middle of the output shaft.
4. The helical tooth type planetary reducer according to claim 1, wherein: the rear end cover is provided with a flange fixedly connected with the motor.
5. The helical tooth type planetary reducer according to claim 4, wherein: the flange is removably disposed on the rear end cap.
6. The helical tooth type planetary reducer according to claim 1, wherein: and a fixed seat is arranged on the outer side of the inner gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121539694.8U CN215409996U (en) | 2021-07-07 | 2021-07-07 | Helical tooth type planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121539694.8U CN215409996U (en) | 2021-07-07 | 2021-07-07 | Helical tooth type planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215409996U true CN215409996U (en) | 2022-01-04 |
Family
ID=79648119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121539694.8U Active CN215409996U (en) | 2021-07-07 | 2021-07-07 | Helical tooth type planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215409996U (en) |
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2021
- 2021-07-07 CN CN202121539694.8U patent/CN215409996U/en active Active
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