CN220668299U - Low-noise compact harmonic speed reducer - Google Patents
Low-noise compact harmonic speed reducer Download PDFInfo
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- CN220668299U CN220668299U CN202321850386.6U CN202321850386U CN220668299U CN 220668299 U CN220668299 U CN 220668299U CN 202321850386 U CN202321850386 U CN 202321850386U CN 220668299 U CN220668299 U CN 220668299U
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- gear
- wave generator
- steel wheel
- wheel
- peripheral surface
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 19
- 238000013016 damping Methods 0.000 claims description 14
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 14
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model relates to a low-noise compact harmonic reducer, which comprises a wave generator, a flexible wheel and a steel wheel, wherein an oval ring is arranged on the outer surface of the wave generator, the flexible wheel is sleeved outside the wave generator, the steel wheel is sleeved outside the flexible wheel, a through hole is formed in the flexible wheel, the through hole and the flexible wheel are coaxially arranged, and the inner peripheral surface of the flexible wheel can be mutually abutted with the oval ring; the outer peripheral surface of the flexible wheel is fixedly connected with an external gear which is coaxially arranged, the steel wheel and the flexible wheel are coaxially arranged, and the inner peripheral surface of the steel wheel is fixedly connected with an internal gear corresponding to the position of the external gear. One purpose of the utility model is to reduce the noise of the transmission reducer.
Description
Technical Field
The utility model relates to the technical field of speed reducers, in particular to a low-noise compact harmonic speed reducer.
Background
The speed reducer has various types and different types and specifications, and has different application fields, wherein the harmonic speed reducer is a novel speed reducer developed by taking the flexible element controllable elastic deformation to transmit motion and power as a transmission principle, and has the advantages of large transmission ratio, small volume, high precision, large bearing capacity and the like, and the harmonic speed reducer is widely applied to the fields of robots, numerical control machine tools, aerospace and the like.
The inventors consider that: in the conventional speed reducer structure, a rigid transmission part is generally adopted for transmission, the rigid transmission part is mature in processing technology and low in cost, but the transmission ratio is generally small, the size is heavy, the precision is low, and the noise is high.
Disclosure of Invention
An object of the present utility model is to reduce the problem of loud noise in a transmission reducer.
According to one aspect of the utility model, a low-noise compact harmonic reducer is provided, and comprises a wave generator, a flexible gear and a steel gear, wherein an oval ring is arranged on the outer surface of the wave generator, the flexible gear is sleeved outside the wave generator, the steel gear is sleeved outside the flexible gear, a through hole is formed in the flexible gear, the through hole and the flexible gear are coaxially arranged, and the inner peripheral surface of the flexible gear can be mutually abutted with the oval ring; the outer peripheral surface of the flexible wheel is fixedly connected with an external gear which is coaxially arranged, the steel wheel and the flexible wheel are coaxially arranged, and the inner peripheral surface of the steel wheel is fixedly connected with an internal gear corresponding to the position of the external gear.
Optionally, the flexspline includes rotation portion and joint portion, and the rotation portion inner peripheral surface of flexspline can be with oval ring mutual butt, flexspline rotation portion radius is greater than flexspline joint portion radius.
Optionally, a protective shell is arranged outside the steel wheel, and sound insulation cotton is fixedly connected in the protective shell; the outer array of protective housing is provided with a plurality of damping springs, and damping plate is fixed with to damping spring's one end that keeps away from the protective housing.
Optionally, the number of teeth of the inner gear is greater than the number of teeth of the outer gear.
The utility model has the technical effects that when the wave generator is used, the wave generator is used as driving input, the steel wheel is used as driven input, the flexible wheel rotates in situ along with the rotation of the wave generator, the flexible wheel and the steel wheel form a harmonic wave transmission mechanism to replace the traditional rigid transmission mechanism, when the wave generator rotates, the flexible wheel is driven to rotate, so that the external gear with a large size of the flexible wheel is meshed with the internal gear in the steel wheel to realize the transmission purpose, and the sound insulation cotton arranged outside the protective shell isolates sound emitted by the rotation of the wave generator and the flexible wheel; the damping spring is arranged outside the protective shell, the protective shell vibrates along with the rotation of the wave generator, the flexible wheel and the steel wheel, and the damping is carried out through the damping spring and the damping plate.
Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a schematic cross-sectional view of a low-noise compact harmonic reducer.
Description of the drawings: 1. a wave generator; 2. a flexible wheel; 3. a steel wheel; 11. an oval ring; 21. a rotating part; 22. a clamping part; 23. a through hole; 24. an external gear; 31. an internal gear; 32. a protective shell; 33. soundproof cotton; 34. a damping spring; 35. a shock absorbing plate;
wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Examples
The utility model provides a low-noise compact harmonic reducer, which comprises a wave generator 1, a flexible wheel 2 and a steel wheel 3, wherein an elliptical ring 11 is arranged on the outer surface of the wave generator 1, the flexible wheel 2 is sleeved outside the wave generator 1, and the steel wheel 3 is sleeved outside the flexible wheel 2, as shown in fig. 1.
Referring to fig. 1, the axial direction of the flexspline 2 is the same as the axial direction of the wave generator 1, the flexspline 2 comprises a rotating part 21 and a clamping part 22, a through hole 23 is formed in the flexspline 2, the through hole 23 and the flexspline 2 are coaxially arranged, the inner circumferential surface of the rotating part 21 of the flexspline 2 can be mutually abutted with the elliptical ring 11, and the radius of the rotating part 21 of the flexspline 2 is larger than that of the clamping part 22 of the flexspline 2; an external gear 24 is fixedly connected to the outer peripheral surface of the flexible gear 2 corresponding to the rotating part 21.
Referring to fig. 1, a steel wheel 3 and a flexible wheel 2 are coaxially arranged, an inner gear 31 is fixedly connected to the inner peripheral surface of the steel wheel 3 corresponding to the position of an outer gear 24, the number of teeth of the inner gear 31 is larger than that of the outer gear 24, and the inner gear 31 and the outer gear 24 are meshed with each other; a protective shell 32 is arranged outside the steel wheel 3, and sound insulation cotton 33 is fixedly connected in the protective shell 32; the outer array of protective housing 32 is provided with a plurality of damping springs 34, and damping plate 35 is fixed with to the one end that damping spring 34 kept away from protective housing 32.
When the wave generator 1 is used, the wave generator 1 is used as driving input, the steel wheel 3 is used as driven input, the flexible wheel 2 rotates in situ along with the rotation of the wave generator 1, a harmonic transmission mechanism is formed by the wave generator 1, the flexible wheel 2 and the steel wheel 3 to replace a traditional rigid transmission mechanism, when the wave generator 1 rotates, the flexible wheel 2 is driven to rotate, so that the large external gear 24 of the flexible wheel 2 is meshed with the internal gear 31 in the steel wheel 3, the purpose of transmission is realized, and the sound insulation cotton 33 arranged outside the protective shell 32 isolates sound emitted by the rotation of the wave generator 1 and the flexible wheel 2; the damper springs 34 are provided outside the protective case 32, and the protective case 32 vibrates in response to the rotation of the wave generator 1, the flexspline 2, and the steel spline 3, and dampens the vibration by the damper springs 34 and the damper plates 35.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (4)
1. The utility model provides a low noise compact harmonic speed reducer, a serial communication port, including wave generator (1), flexbile gear (2) and steel wheel (3), wave generator (1) surface is provided with oval ring (11), flexbile gear (2) cover is located outside wave generator (1), steel wheel (3) cover is located outside flexbile gear (2), has seted up through-hole (23) in flexbile gear (2), through-hole (23) and flexbile gear (2) coaxial line set up, the inner peripheral surface of flexbile gear (2) can with oval ring (11) butt each other; an external gear (24) is fixedly connected to the outer peripheral surface of the flexible gear (2), the steel wheel (3) and the flexible gear (2) are coaxially arranged, and an internal gear (31) is fixedly connected to the inner peripheral surface of the steel wheel (3) at a position corresponding to the external gear (24).
2. The low-noise compact harmonic reducer according to claim 1, wherein the flexspline (2) comprises a rotating portion (21) and a clamping portion (22), the inner peripheral surface of the rotating portion (21) of the flexspline (2) can be mutually abutted with the elliptical ring (11), and the radius of the rotating portion (21) of the flexspline (2) is larger than that of the clamping portion (22) of the flexspline (2).
3. The low-noise compact harmonic reducer as claimed in claim 1, wherein a protective shell (32) is arranged outside the steel wheel (3), and sound insulation cotton (33) is fixedly connected in the protective shell (32); the outer array of protective housing (32) is provided with a plurality of damping springs (34), and damping plate (35) are fixed with in damping spring (34) one end that keeps away from protective housing (32).
4. A low noise compact harmonic reducer according to claim 1, characterized in that the number of teeth of the internal gear (31) is greater than the number of teeth of the external gear (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321850386.6U CN220668299U (en) | 2023-07-14 | 2023-07-14 | Low-noise compact harmonic speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321850386.6U CN220668299U (en) | 2023-07-14 | 2023-07-14 | Low-noise compact harmonic speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668299U true CN220668299U (en) | 2024-03-26 |
Family
ID=90336482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321850386.6U Active CN220668299U (en) | 2023-07-14 | 2023-07-14 | Low-noise compact harmonic speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668299U (en) |
-
2023
- 2023-07-14 CN CN202321850386.6U patent/CN220668299U/en active Active
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