CN211039619U - Low-noise speed reducer - Google Patents
Low-noise speed reducer Download PDFInfo
- Publication number
- CN211039619U CN211039619U CN201922120916.1U CN201922120916U CN211039619U CN 211039619 U CN211039619 U CN 211039619U CN 201922120916 U CN201922120916 U CN 201922120916U CN 211039619 U CN211039619 U CN 211039619U
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- China
- Prior art keywords
- planet
- belt wheel
- belt
- output shaft
- shaft
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- Expired - Fee Related
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Abstract
The utility model provides a low noise reduction gear belongs to mechanical technical field. The speed reducer comprises a shell, a left end cover, a right end cover, an input shaft, an output shaft, a first belt and a second belt, wherein a first intermediate belt wheel is fixedly arranged on the input shaft, a second intermediate belt wheel is fixedly arranged on the output shaft, a first planet belt wheel and a second planet belt wheel are fixedly arranged on each planet shaft, each first planet belt wheel is connected with the first intermediate belt wheel through the first belt, each second planet belt wheel is connected with the second intermediate belt wheel through the second belt, and the input shaft and the output shaft are rotatably connected to the shell; the diameter of the first intermediate belt wheel is smaller than that of the first planet belt wheel, and the diameter of the second intermediate belt wheel is larger than that of the second planet belt wheel; the output shaft is a hollow shaft, the input shaft is rotatably connected in the output shaft through a bearing, and the output shaft extends out of the end part of the input shaft. The utility model has the advantages of low noise and the like.
Description
Technical Field
The utility model belongs to the technical field of machinery, a low noise reduction gear is related to.
Background
The speed reducer has very wide application, generally realizes speed reduction through multi-stage gears, but the meshing surface of the gear meshing mode is small, and the gear meshing mode is in rigid contact, so that the problems of high noise, serious abrasion of transmission parts, poor heat dissipation and the like are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low noise reduction gear to the above-mentioned problem that prior art exists, the utility model aims to solve the technical problem that how reduce the noise of reduction gear, improve transmission stationarity.
The purpose of the utility model can be realized by the following technical proposal: a low-noise speed reducer is characterized by comprising a shell, a left end cover, a right end cover, an input shaft, an output shaft, a first belt and a second belt, wherein a first middle belt pulley is fixedly arranged on the input shaft, a second middle belt pulley is fixedly arranged on the output shaft, a plurality of planet shafts are rotatably connected between the left end cover and the right end cover, a first planet belt pulley and a second planet belt pulley are fixedly arranged on each planet shaft, each first planet belt pulley is connected with each first middle belt pulley through a first belt, each second planet belt pulley is connected with each second middle belt pulley through a second belt, and the input shaft and the output shaft are rotatably connected to the shell; the diameter of the first intermediate belt wheel is smaller than that of the first planet belt wheel, and the diameter of the second intermediate belt wheel is larger than that of the second planet belt wheel; the output shaft is a hollow shaft, the input shaft is rotatably connected into the output shaft through a bearing, and the output shaft extends out of the end part of the input shaft.
Under the condition of the same linear speed caused by traction of the first belt, the rotation speed of the planetary shaft is reduced due to the wheel diameter difference, the rotation linear speed of the planetary shaft is transferred to the output shaft by traction of the second belt, and the second speed reduction of the output shaft is realized due to the wheel diameter difference of the second intermediate belt wheel and the second planetary belt wheel.
Two-stage speed reduction is realized through the belt, and the transmission is steady, and the noise is little, and it is little to occupy the size, and overall structure is simple.
When the speed reduction output is needed, the load is connected with the output shaft, when the speed reduction output is not needed, the load is connected with the tail end of the input shaft, the input shaft is connected with the output shaft through the bearing, so that the output shaft is more stable in bearing, the torque is increased after speed reduction, the stability is improved, the reliability of the speed reducer is greatly improved, the load end is connected with the input shaft or the output shaft through the coupler, and the use convenience can be improved when the load end is located at the same position.
The jackshaft has six, and circumference evenly distributed in the output shaft outside, and output shaft and input shaft are coaxial.
In the aforementioned low-noise speed reducer, a partition plate is disposed in the middle of the casing, the planet shaft is rotatably connected to the partition plate, and the first belt and the second belt are respectively disposed on two sides of the partition plate.
Drawings
Fig. 1 is a schematic view of the present decelerator.
Fig. 2 is a left side view of fig. 1 with the left end cap removed.
Fig. 3 is a right side view of fig. 1 with the right end cap removed.
In the figure, 11, the housing; 12. a left end cap; 13. a right end cap; 14. a partition plate; 2. an input shaft; 3. an output shaft; 41. a first belt; 42. a first intermediate pulley; 43. a first planet pulley; 51. a second belt; 52. a second intermediate pulley; 53. a second planet pulley; 6. a planet axle.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, 2 and 3, the speed reducer includes a housing 11, a left end cover 12, a right end cover 13, an input shaft 2, an output shaft 3, a first belt 41 and a second belt 51, wherein the input shaft 2 is fixedly provided with a first intermediate pulley 42, the output shaft 3 is fixedly provided with a second intermediate pulley 52, a plurality of planet shafts 6 are rotatably connected between the left end cover 12 and the right end cover 13, each planet shaft 6 is fixedly provided with a first planet pulley 43 and a second planet pulley 53, each first planet pulley 43 is connected with the first intermediate pulley 42 through the first belt 41, each second planet pulley 53 is connected with the second intermediate pulley 52 through the second belt 51, and the input shaft 2 and the output shaft 3 are rotatably connected to the housing 11; the diameter of the first intermediate pulley is smaller than the diameter of the first planetary pulley 43, and the diameter of the second intermediate pulley is larger than the diameter of the second planetary pulley 53.
The output shaft is a hollow shaft, the input shaft is rotatably connected in the output shaft through a bearing, and the output shaft extends out of the end part of the input shaft.
When the traction of the first belt 41 causes the same linear speed, the wheel diameter difference causes the rotation speed of the planetary shaft 6 to be reduced, the traction of the second belt 51 transfers the rotation linear speed of the planetary shaft 6 to the output shaft 3, and the wheel diameter difference between the second intermediate belt wheel and the second planetary belt wheel 53 causes the output shaft 3 to realize the second speed reduction.
When the speed reduction output is needed, the load is connected with the output shaft, when the speed reduction output is not needed, the load is connected with the tail end of the input shaft, the input shaft is connected with the output shaft through the bearing, so that the output shaft is more stable in bearing, the torque is increased after speed reduction, the stability is improved, the reliability of the speed reducer is greatly improved, the load end is connected with the input shaft or the output shaft through the coupler, and the use convenience can be improved when the load end is located at the same position.
Two-stage speed reduction is realized through the belt, and the transmission is steady, and the noise is little, and it is little to occupy the size, and overall structure is simple.
The jackshaft has six, and circumference evenly distributed in the output shaft 3 outside, and output shaft 3 is coaxial with input shaft 2.
The housing 11 has a partition 14 in the middle, the planetary shaft 6 is rotatably connected to the partition 14, and the first belt 41 and the second belt 51 are respectively disposed on both sides of the partition 14.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (2)
1. A low-noise speed reducer is characterized by comprising a shell (11), a left end cover (12), a right end cover (13), an input shaft (2), an output shaft (3), a first belt (41) and a second belt (51), wherein a first intermediate belt wheel (42) is fixedly arranged on the input shaft (2), a second intermediate belt wheel (52) is fixedly arranged on the output shaft (3), a plurality of planet shafts (6) are rotatably connected between the left end cover (12) and the right end cover (13), each planet shaft (6) is fixedly provided with a first planet belt wheel (43) and a second planet belt wheel (53), each first planet belt wheel (43) is connected with the first intermediate belt wheel (42) through the first belt (41), and each second planet belt wheel (53) is connected with the second intermediate belt wheel (52) through the second belt (51), the input shaft (2) and the output shaft (3) are rotationally connected to the shell (11); the diameter of the first intermediate pulley is smaller than that of the first planet pulley (43), and the diameter of the second intermediate pulley is larger than that of the second planet pulley (53); the output shaft is a hollow shaft, the input shaft is rotatably connected into the output shaft through a bearing, and the output shaft extends out of the end part of the input shaft.
2. A reducer according to claim 1, in which the casing (11) has a partition (14) in the middle, the planet shaft (6) is rotatably connected to the partition (14), and the first belt (41) and the second belt (51) are respectively located on both sides of the partition (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922120916.1U CN211039619U (en) | 2019-11-29 | 2019-11-29 | Low-noise speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922120916.1U CN211039619U (en) | 2019-11-29 | 2019-11-29 | Low-noise speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039619U true CN211039619U (en) | 2020-07-17 |
Family
ID=71567237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922120916.1U Expired - Fee Related CN211039619U (en) | 2019-11-29 | 2019-11-29 | Low-noise speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211039619U (en) |
-
2019
- 2019-11-29 CN CN201922120916.1U patent/CN211039619U/en not_active Expired - Fee Related
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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: 20200717 Termination date: 20201129 |