CN202158149U - Harmonic gear device - Google Patents
Harmonic gear device Download PDFInfo
- Publication number
- CN202158149U CN202158149U CN2011202911311U CN201120291131U CN202158149U CN 202158149 U CN202158149 U CN 202158149U CN 2011202911311 U CN2011202911311 U CN 2011202911311U CN 201120291131 U CN201120291131 U CN 201120291131U CN 202158149 U CN202158149 U CN 202158149U
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- sleeve
- eccentric wheel
- eccentric
- harmonic gear
- axle sleeve
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Abstract
The utility model discloses a harmonic gear device, which comprises a wave generator. The wave generator comprises a shaft sleeve, a sleeve and two eccentric rollers. The shaft sleeve is fixedly connected onto a transmission shaft, and the sleeve is arranged on the shaft sleeve. A first level eccentric wheel and a second eccentric wheel are arranged on the outer side of the sleeve, the two eccentric rollers are respectively connected onto the first eccentric wheel and the second eccentric wheel through bearings, and the eccentric directions of the first eccentric wheel and the second eccentric wheel are opposite in the same radial direction. The bearings are standard round bearings. The harmonic gear device is simple in structure and convenient to manufacture, moment of inertia on a high-speed rotation side of the harmonic gear device is small, standard bearings sold in normal market can be used, and gear flying can not happen when the bearings are affected by overload force.
Description
Technical field
The utility model relates to a kind of harmonic gear drive.
Background technique
Harmonic gear drive all is used as light weight, compactness, need not the model that complicated structure construction can obtain the gearing aspect of highi degree of accuracy, high reduction speed ratio all the time.The representational wavegenerator that is configured to of harmonic gear drive; The working principle of wavegenerator then is through flexible flexible interlock mode; Make flexible external gear and annular rigid internal gear carry out the engagement of part; Utilize flexible flexible performance simultaneously, make the engagement position carry out moving of circumferencial direction along the number of teeth difference of two gears.
Its concrete structure of representational harmonic gear drive by the rigid internal gear of ring-type, be disposed at the inboard flexible external gear of cap shape and be embedded into that inboard this three of ellipse fluctuation generator forms.Flexible external gear is bent into ellipse through the effect of wavegenerator, and formed internal tooth carries out interlock on the external tooth at these oval long axis direction two ends and the internal gear inner circumferential surface.Wavegenerator is in case when motor turning axle etc. carries out rotation motion, and two gear meshing positions then can be moved along circumferencial direction.General internal gear side is fixed, and therefore can export from the flexible external gear side of cap shape, makes the rotation motion of significantly slowing down of the number of teeth difference of its corresponding two gears.
All there is a problem in representational all the time harmonic gear drive, on wavegenerator, has adopted the specific bearing that reaches deformation behavior through the oval feature of interior wheel exactly, therefore can't use the bearing of generally peddling on the market.Simultaneously,,, the foreign steamer bending can be produced between the bearing ball, and the disperse generation of phenomenon of gear of squinting of engagement generation moment of rigid internal gear and flexible external gear might be therefore caused when the external force that receives overburdening is done the time spent because the foreign steamer wall of this bearing is thinner.In addition, want big because interior all diameters of the length of its cam part major axis of wavegenerator of high speed rotary side and rigid internal gear compare, so moment of inertia also can become big.
The model utility content
The utility model problem to be solved just provides a kind of harmonic gear drive; Simple in structure, easily manufactured, the moment of inertia of the high speed rotary side of wavegenerator is little; The standard rolling bearing that can use the open market to peddle, the gear phenomenon of dispersing can not take place in the time spent of doing that receives overburdening power yet.
In order to solve the problems of the technologies described above; The utility model adopts following technological scheme: a kind of harmonic gear drive, comprise wavegenerator, and it is characterized in that: said wavegenerator comprises axle sleeve, sleeve and two eccentric rollers; Axle sleeve is fixed on the transmission shaft; Sleeve is located on the axle sleeve, and the said sleeve outside is provided with one-level eccentric wheel and secondary eccentric wheel, and two eccentric rollers are transferred on one-level eccentric wheel and secondary eccentric wheel through bearing respectively; The eccentric eccentric direction of one-level eccentric wheel and secondary makes progress in same footpath and is opposite, and said bearing is the standard round bearing.
Further, said one-level eccentric wheel and the eccentric eccentric distance of secondary equate.
Further, said sleeve and one-level eccentric wheel, secondary eccentric wheel are wholely set.
Further, said one-level eccentric wheel and secondary eccentric wheel are sleeved on the sleeve and are affixed with sleeve.
Further, said sleeve and axle sleeve are wholely set.
Further, said sleeve set is on axle sleeve, and axle sleeve is provided with radial convex loop, and an end of sleeve is against on the radial convex loop, and the other end of sleeve is through being fixed on the back-up ring axially locating on the axle sleeve.
After adopting technique scheme, the utlity model has following advantage: one-level eccentric wheel and the mutual balance of secondary eccentric wheel, more stable when making the wavegenerator high speed rotating, the gear phenomenon of dispersing can not take place; And two eccentric wheels are set on sleeve, rather than adopt nonstandard elliptic bearing to realize fluctuation, the standard rolling bearing that can use the open market to peddle is produced and maintenance cost reduces, and maintain and replace is also convenient.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is a kind of embodiment's of the utility model a structural representation.
Embodiment
A kind of embodiment's of the utility model as shown in Figure 1 structural representation; A kind of harmonic gear drive comprises wavegenerator 1, and said wavegenerator comprises axle sleeve 2, sleeve 3 and two eccentric rollers 4; Axle sleeve is fixed on the transmission shaft; Sleeve is located on the axle sleeve, and the said sleeve outside is provided with one-level eccentric wheel and secondary eccentric wheel, and two eccentric rollers are transferred on one-level eccentric wheel and secondary eccentric wheel through bearing 5 respectively; The eccentric eccentric direction of one-level eccentric wheel and secondary makes progress in same footpath and is opposite, and said bearing is the standard round bearing.Wherein the eccentric eccentric distance of one-level eccentric wheel and secondary equates.
In the foregoing description, said one-level eccentric wheel and secondary eccentric wheel are sleeved on the sleeve and are affixed with sleeve.Said sleeve set is on axle sleeve, and axle sleeve is provided with radial convex loop 21, and an end of sleeve is against on the radial convex loop, and the other end of sleeve is through being fixed on back-up ring 22 axially locating on the axle sleeve.
Can certainly sleeve and one-level eccentric wheel, secondary eccentric wheel be wholely set, sleeve set on axle sleeve or directly and axle sleeve be wholely set.Save assembly process like this, but also increased the complexity of part processing simultaneously.
The utility model is through one-level eccentric wheel and the mutual balance of secondary eccentric wheel, and is more stable when making the wavegenerator high speed rotating, and the gear phenomenon of dispersing can not take place; And two eccentric wheels are set on sleeve, rather than adopt nonstandard elliptic bearing to realize fluctuation, the standard rolling bearing that can use the open market to peddle is produced and maintenance cost reduces, and maintain and replace is also convenient.
Except that above-mentioned preferred embodiment; The utility model also has other mode of execution; Those skilled in the art can make various changes and distortion according to the utility model, only otherwise break away from the spirit of the utility model, all should belong to the defined scope of the utility model accompanying claims.
Claims (6)
1. harmonic gear drive; Comprise wavegenerator (1); It is characterized in that: said wavegenerator comprises axle sleeve (2), sleeve (3) and two eccentric rollers (4), and axle sleeve is fixed on the transmission shaft, and sleeve is located on the axle sleeve; The said sleeve outside is provided with one-level eccentric wheel and secondary eccentric wheel; Two eccentric rollers are transferred on one-level eccentric wheel and secondary eccentric wheel through bearing (5) respectively, and the eccentric eccentric direction of one-level eccentric wheel and secondary makes progress in same footpath and be opposite, and said bearing is the standard round bearing.
2. a kind of harmonic gear drive according to claim 1 is characterized in that: said one-level eccentric wheel and the eccentric eccentric distance of secondary equate.
3. a kind of harmonic gear drive according to claim 1 is characterized in that: said sleeve and one-level eccentric wheel, secondary eccentric wheel are wholely set.
4. a kind of harmonic gear drive according to claim 1 is characterized in that: said one-level eccentric wheel and secondary eccentric wheel are sleeved on the sleeve and are affixed with sleeve.
5. according to claim 3 or 4 described a kind of harmonic gear drives, it is characterized in that: said sleeve and axle sleeve are wholely set.
6. according to claim 3 or 4 described a kind of harmonic gear drives; It is characterized in that: said sleeve set is on axle sleeve; Axle sleeve is provided with radial convex loop (21), and an end of sleeve is against on the radial convex loop, and the other end of sleeve is through being fixed on back-up ring (22) axially locating on the axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202911311U CN202158149U (en) | 2011-08-11 | 2011-08-11 | Harmonic gear device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202911311U CN202158149U (en) | 2011-08-11 | 2011-08-11 | Harmonic gear device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202158149U true CN202158149U (en) | 2012-03-07 |
Family
ID=45765789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202911311U Expired - Lifetime CN202158149U (en) | 2011-08-11 | 2011-08-11 | Harmonic gear device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202158149U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103562593A (en) * | 2012-05-31 | 2014-02-05 | 谐波传动系统有限公司 | Wave gear device and flexible external gear |
| CN105257784A (en) * | 2014-07-08 | 2016-01-20 | 哈米尔顿森德斯特兰德公司 | Harmonic drive and method of assembling |
| CN105402327A (en) * | 2015-11-30 | 2016-03-16 | 綦江精锐达重型齿轮有限公司 | Dual gear speed reducing device |
| CN105402326A (en) * | 2015-11-30 | 2016-03-16 | 綦江精锐达重型齿轮有限公司 | Dual gear device |
| CN106969130A (en) * | 2013-11-19 | 2017-07-21 | 谐波传动系统有限公司 | The wave device of friction clamp-close type |
| CN113217584A (en) * | 2020-02-04 | 2021-08-06 | 住友重机械工业株式会社 | Flexible engagement type gear device |
| CN108930776B (en) * | 2017-05-24 | 2021-09-21 | 弗兰德有限公司 | Spur gear device, transmission mechanism and wind energy facility |
-
2011
- 2011-08-11 CN CN2011202911311U patent/CN202158149U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103562593A (en) * | 2012-05-31 | 2014-02-05 | 谐波传动系统有限公司 | Wave gear device and flexible external gear |
| CN103562593B (en) * | 2012-05-31 | 2016-03-16 | 谐波传动系统有限公司 | Wave gear device and flexible external gear |
| CN106969130A (en) * | 2013-11-19 | 2017-07-21 | 谐波传动系统有限公司 | The wave device of friction clamp-close type |
| CN106969130B (en) * | 2013-11-19 | 2019-04-12 | 谐波传动系统有限公司 | The wave device of friction clamp-close type |
| CN105257784A (en) * | 2014-07-08 | 2016-01-20 | 哈米尔顿森德斯特兰德公司 | Harmonic drive and method of assembling |
| CN105257784B (en) * | 2014-07-08 | 2019-08-20 | 哈米尔顿森德斯特兰德公司 | Harmonic driving device and assemble method |
| CN105402327A (en) * | 2015-11-30 | 2016-03-16 | 綦江精锐达重型齿轮有限公司 | Dual gear speed reducing device |
| CN105402326A (en) * | 2015-11-30 | 2016-03-16 | 綦江精锐达重型齿轮有限公司 | Dual gear device |
| CN108930776B (en) * | 2017-05-24 | 2021-09-21 | 弗兰德有限公司 | Spur gear device, transmission mechanism and wind energy facility |
| CN113217584A (en) * | 2020-02-04 | 2021-08-06 | 住友重机械工业株式会社 | Flexible engagement type gear device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |
|
| CX01 | Expiry of patent term |