CN104930151A - Planetary and harmonic combined speed reducer - Google Patents
Planetary and harmonic combined speed reducer Download PDFInfo
- Publication number
- CN104930151A CN104930151A CN201310618028.7A CN201310618028A CN104930151A CN 104930151 A CN104930151 A CN 104930151A CN 201310618028 A CN201310618028 A CN 201310618028A CN 104930151 A CN104930151 A CN 104930151A
- Authority
- CN
- China
- Prior art keywords
- planetary
- speed reducer
- input
- cam
- harmonic
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H49/00—Other gearings
- F16H49/001—Wave gearings, e.g. harmonic drive transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H49/00—Other gearings
- F16H2049/008—Linear wave gearings, i.e. harmonic type gearing imposing a strain wave to a straight flexible member engaging a second member with different pitch to generate linear motion thereof
Abstract
The invention discloses a planetary and harmonic combined speed reducer, and relates to the field of speed reducer research and engineering. By the aid of the planetary and harmonic combined speed reducer, problems of large lateral dimensions and complicated machining of a planetary and harmonic combined speed reducer in the prior art can be solved. The planetary and harmonic combined speed reducer is characterized in that hinge pins (11) are fixed onto a cam (5); a planet gear (12) is mounted on the hinge pins (11) and is meshed with a sun gear (13) and an input steel gear (2), so that a primary planetary speed reducer is formed; the cam (5) is arranged on an output shaft (7) through a deep groove ball bearing (9), a flexible bearing (4) and a flexible wheel (3) are fixed to the outer side of the cam (5), the flexible wheel (3) is engaged with the output steel wheel (6) and the input steel gear (2), so that a secondary harmonic speed reducer is formed, and the output shaft (7) is axially fixed to an outer housing (1) through the deep groove ball bearing (8). The planetary and harmonic combined speed reducer has the advantages of simple structure, high allowed input rotational speed, high speed reduction ratio, high transmission precision, compact structure, and light weight, and is particularly applicable to the field of high-speed precision transmission of steering engines, instruments and the like.
Description
Technical field
The present invention relates to retarder research and engineering field, specifically a kind of planetary-harmonic combination retarder.
Background technique
Harmonic speed reducer has the advantages that velocity ratio is large, transmission accuracy is high, volume is little, extensive use and mechanical transmission fields, but low between the maximum speed allowable of flexible bearing, and the input speed of harmonic speed reducer is lower; Planetary Gear Transmission has compact structure, input speed allowable is high, transmission efficiency is high feature, adopts planetary-harmonic combination retarder to be the ideal scheme of high reduction speed ratio, precision drive retarder.Existing planetary-harmonic combination retarder is by being processed with ring gear on cam, sun gear is turned round by planet wheel driving cam, and then drive harmonic speed reducer revolution, this structure has the little advantage of axial dimension, but transverse dimension is larger, and need on cam, to process ring gear separately, processed complex.
Summary of the invention
In order to overcome the deficiency in above-mentioned design, the invention provides a kind of planetary-harmonic combination retarder, the transverse dimension that existing planetary-harmonic retarder exists be large to solve, the problem such as processed complex.
The technical solution adopted in the present invention is: planetary-harmonic combination retarder of the present invention comprises frame, input steel wheel, flexbile gear, flexible bearing, cam, output steel wheel, output shaft, deep groove ball bearing, bearing pin, planet wheel, sun gear, input shaft, cover plate and sunk screw; Described output shaft, by deep groove ball bearing and frame axial restraint, can turn round relative to frame; Described output steel wheel and output shaft are fixed; Described cam is arranged on output shaft by deep groove ball bearing, is fixed with flexible bearing and flexbile gear outside cam; Described flexbile gear, respectively with output steel wheel with input steel wheel and be meshed, forms secondary harmonic speed reducer; Described input steel wheel is fixed in frame; Described bearing pin is fixed on cam; Described planet wheel is arranged on bearing pin, and planet wheel is meshed with input steel wheel and sun gear respectively; Described sun gear is arranged on input shaft, and input shaft drives the rotation of retarder, composition primary planet retarder; Described cover plate is fixed on rear side of frame by sunk screw.
Advantage of the present invention is as follows:
The present invention utilizes the ring gear as planet wheel of input steel wheel, planet wheel is arranged on cam, effectively reduce axis and the transverse dimension of retarder, there is structure simple, the feature that input speed allowable is high, reduction speed ratio is large, transmission accuracy is high, compact structure, quality are little, is specially adapted to the high speed such as steering wheel, instrument and apparatus precision drive field.
Accompanying drawing explanation
Fig. 1 is planetary-harmonic combination reducer structure figure.
1. framies in figure, 2. input steel wheel, 3. flexbile gear, 4. flexible bearing, 5 cams, 6. export steel wheel, 7 output shafts, 8,9,10. deep groove ball bearing, 11. bearing pins, 12. planet wheels, 13. sun gears, 14. input shafts, 15. cover plates, 16. sunk screws.
Embodiment
Embodiment in is by reference to the accompanying drawings further described by the present invention below:
As shown in Figure 1, the planetary-harmonic retarder of present embodiment comprises frame (1), input steel wheel (2), flexbile gear (3), flexible bearing (4), cam (5), exports steel wheel (6), output shaft (7), deep groove ball bearing (8,9,10), bearing pin (11), planet wheel (12), sun gear (13), input shaft (14), cover plate (15) and sunk screw (16) structure of the present invention; Described output shaft (7), by deep groove ball bearing (8) and frame (1) axial restraint, can turn round relative to frame (1); Described output steel wheel (6) is fixed with output shaft (7); Described cam (5) is arranged on output shaft (7) by deep groove ball bearing (9), is fixed with flexible bearing (4) and flexbile gear (3) in cam (5) outside; Described flexbile gear (3), respectively with output steel wheel (6) with input steel wheel (2) and be meshed, forms secondary harmonic speed reducer; Described input steel wheel (2) is fixed in frame (1); Described bearing pin (11) is fixed on cam (5); Described planet wheel (12) is arranged on bearing pin (11), and planet wheel (12) is meshed with input steel wheel (2) and sun gear (13) respectively; Described sun gear (13) is arranged on input shaft (14), input shaft (14) shaft shoulder contacts with deep groove ball bearing (10) inner ring, make cam (5) axial restraint, input shaft (14) drives the rotation of retarder, composition primary planet retarder; Described cover plate (15) is provided with countersink (151), is fixed on frame (1) rear side by sunk screw (16).
Described frame (1) is provided with tapped hole (101), for connecting with output unit; Described cover plate (15) being provided with through hole (152), described input steel wheel (2) being provided with tapped hole (21) for connecting with input queued switches equipment.
Claims (2)
1. planetary-harmonic combination retarder, is characterized in that: comprise frame (1), input steel wheel (2), flexbile gear (3), flexible bearing (4), cam (5), export steel wheel (6), output shaft (7), deep groove ball bearing (8,9,10), bearing pin (11), planet wheel (12), sun gear (13), input shaft (14), cover plate (15) and sunk screw (16); Described bearing pin (11) is fixed on cam (5); Described planet wheel (12) is arranged on bearing pin (11), and planet wheel (12) is meshed with input steel wheel (2) and sun gear (13) respectively; Described sun gear (13) is arranged on input shaft (14), input shaft (14) shaft shoulder contacts with deep groove ball bearing (10) inner ring, make cam (5) axial restraint, input shaft (14) drives the rotation of retarder, composition primary planet retarder; Described output shaft (7), by deep groove ball bearing (8) and frame (1) axial restraint, can turn round relative to frame (1); Described output steel wheel (6) is fixed with output shaft (7); Described cam (5) is arranged on output shaft (7) by deep groove ball bearing (9), is fixed with flexible bearing (4) and flexbile gear (3) in cam (5) outside; Described flexbile gear (3), respectively with output steel wheel (6) with input steel wheel (2) and be meshed, forms secondary harmonic speed reducer.
2. planetary-harmonic combination retarder according to claim 1, is characterized in that: described frame (1) is provided with tapped hole (101), for connecting with output unit; Described cover plate (15) being provided with through hole (152), described input steel wheel (2) being provided with tapped hole (21) for connecting with input queued switches equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310618028.7A CN104930151A (en) | 2013-11-29 | 2013-11-29 | Planetary and harmonic combined speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310618028.7A CN104930151A (en) | 2013-11-29 | 2013-11-29 | Planetary and harmonic combined speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104930151A true CN104930151A (en) | 2015-09-23 |
Family
ID=54117466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310618028.7A Pending CN104930151A (en) | 2013-11-29 | 2013-11-29 | Planetary and harmonic combined speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104930151A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374877A (en) * | 2018-04-18 | 2018-08-07 | 睿尔曼智能科技（北京）有限公司 | A kind of bearing and the integrated microminiature harmonic speed reducer of harmonic wave |
| CN109372952A (en) * | 2018-12-13 | 2019-02-22 | 浙江双环传动机械股份有限公司 | A kind of compact cycloid in planet harmonic wave speed change gear and its method for changing speed |
| CN110307299A (en) * | 2019-06-28 | 2019-10-08 | 深圳市优必选科技股份有限公司 | Planetary-harmonic combines retarder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0989053A (en) * | 1995-09-29 | 1997-03-31 | Harmonic Drive Syst Ind Co Ltd | Wave gear device |
| CN2558149Y (en) * | 2002-07-01 | 2003-06-25 | 淮安捷达低速电机有限公司 | Harmonic planetary low speed motor |
| CN101545524A (en) * | 2009-04-27 | 2009-09-30 | 哈尔滨工业大学 | Planetary-harmonic composite gear reducer |
-
2013
- 2013-11-29 CN CN201310618028.7A patent/CN104930151A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0989053A (en) * | 1995-09-29 | 1997-03-31 | Harmonic Drive Syst Ind Co Ltd | Wave gear device |
| CN2558149Y (en) * | 2002-07-01 | 2003-06-25 | 淮安捷达低速电机有限公司 | Harmonic planetary low speed motor |
| CN101545524A (en) * | 2009-04-27 | 2009-09-30 | 哈尔滨工业大学 | Planetary-harmonic composite gear reducer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374877A (en) * | 2018-04-18 | 2018-08-07 | 睿尔曼智能科技（北京）有限公司 | A kind of bearing and the integrated microminiature harmonic speed reducer of harmonic wave |
| CN109372952A (en) * | 2018-12-13 | 2019-02-22 | 浙江双环传动机械股份有限公司 | A kind of compact cycloid in planet harmonic wave speed change gear and its method for changing speed |
| CN110307299A (en) * | 2019-06-28 | 2019-10-08 | 深圳市优必选科技股份有限公司 | Planetary-harmonic combines retarder |
| CN110307299B (en) * | 2019-06-28 | 2021-04-20 | 深圳市优必选科技股份有限公司 | Planetary harmonic combined speed reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Zhu Jihong Document name: Notification to Make Rectification |
|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150923 |