CN102072285A - High-precision efficient decelerator - Google Patents
High-precision efficient decelerator Download PDFInfo
- Publication number
- CN102072285A CN102072285A CN2010106225053A CN201010622505A CN102072285A CN 102072285 A CN102072285 A CN 102072285A CN 2010106225053 A CN2010106225053 A CN 2010106225053A CN 201010622505 A CN201010622505 A CN 201010622505A CN 102072285 A CN102072285 A CN 102072285A
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- CN
- China
- Prior art keywords
- gear
- shaft
- input
- retarder
- coaxial
- 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.)
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Classifications
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- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/04—Combinations of toothed gearings only
- F16H37/041—Combinations of toothed gearings only for conveying rotary motion with constant gear ratio
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- 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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
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- 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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/06—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes
Abstract
The invention discloses a high-precision efficient decelerator, which is characterized by comprising a shell, an input shaft, an output shaft, a differential gear set, a transmission plate and an input gear, wherein the input shaft is connected with the differential gear set; the differential gear set is connected with the transmission plate and the input gear respectively; the transmission plate is coupled with at least one planet gear; a transmission inner gear is coaxially and fixedly arranged in the shell; the planet gear is simultaneously engaged with the input gear and the transmission inner gear; and the output shaft is coaxially and fixedly connected on the shell. The decelerator has the advantages that: when the decelerator with different deceleration ratios needs to be designed, as long as the tooth number of the engaged gears is changed and the engaged gears have different transmission ratios, ultrahigh deceleration ratio can be really realized; the whole decelerator has completely symmetrical rotary structure; the decelerator has simple structure, is convenient to process, has high rigidity and large bearing torque, and meanwhile can realize high-precision and high-efficiency transmission; and moreover, the decelerator has long service life.
Description
Technical field
The present invention relates to a kind of retarder, relate in particular to a kind of retarder of high-accuracy high-efficiency rate.
Background technique
Retarder is a kind of speed reducer commonly used in the industry, and it can be converted into slow-speed of revolution output with high rotating speed input.And along with development of science and technology, industrial robot also is a development priority in the future.The high-accuracy retarder of using on the existing industrial robot mainly is two kinds of RV retarder and harmonic speed reducers, but all there is defective separately in these two kinds of retarders.
The RV retarder also claims centering error dynamic formula cycloidal-pin wheel retarder, its reduction speed ratio can reach 30～300, but owing to adopted the method for eccentric rotary to realize the big retarding ratio, promptly there is crankshaft structure, thereby just there is centrifugal force in the radial direction in rotating shaft, the existence of this centrifugal force has just influenced precision, efficient, output torque, input speed and the working life of RV retarder greatly, and has required higher to accuracy of manufacturing.
Harmonic speed reducer is to rely on flexible part to produce the elastic mechanical ripple to come the retarder of a kind of planetary pinion transmission (abbreviation harmonic driving) of transferring power and motion, its velocity ratio can reach 1: 500, but owing to adopted the compliant wheel transmission, and compliant wheel adopts elastic material to make, under stressed situation, can produce distortion, influence precision, output torque is less, and compliant wheel is when work, at every moment, cause the fatigue damage of compliant wheel easily, influence the working life of harmonic speed reducer in distortion, in addition, no matter be that RV retarder or its reduction speed ratio of harmonic speed reducer are also too little.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly processes simple, good rigidly, precision height, efficient is high and can realize the retarder of the high-accuracy high-efficiency rate of super large reduction speed ratio.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: a kind of retarder of high-accuracy high-efficiency rate, comprise housing, input shaft, output shaft, differential gear set, driver plate and input gear, described input shaft connects with described differential gear set, described differential gear set connects with described driver plate and described input gear respectively, be connected with at least one planetary pinion on the described driver plate, the coaxial transmission internal gear that is set with in the described housing, described planetary pinion is meshed with described input gear and described transmission internal gear simultaneously, described output shaft is coaxial to be fixedly connected on the described housing, for this retarder, as long as change the number of teeth of phase gear, just can make retarder have different reduction speed ratio, and can realize super large reduction speed ratio truly, also can be by changing the number of teeth of phase gear, input motor and output shaft are rotated or backward rotation in the same way, to satisfy under the various situations requirement to retarder.
Described differential gear set comprises transmission shaft, first gear, second gear, the 3rd gear and the 4th gear, described input shaft and the coaxial setting of described output shaft, described transmission shaft and described input shaft be arranged in parallel, described first gear is coaxial to be fixedly connected on the described input shaft, described input shaft is fixedlyed connected with described input gear, described second gear and the 3rd gear are coaxial respectively to be fixedly connected on the described transmission shaft, be connected with axle sleeve on the described input shaft, described the 4th gear is coaxial to be fixedly installed on the described axle sleeve, described axle sleeve is fixedlyed connected with described driver plate, described first gear is meshed with described second gear, described the 3rd gear is meshed with described the 4th gear, and described housing shaft is connected on the described axle sleeve.
Described differential gear set comprises transmission shaft, first gear, second gear, the 3rd gear and the 4th gear, described transmission shaft and the coaxial setting of described output shaft, described input shaft and described output shaft be arranged in parallel, described first gear is coaxial to be fixedly connected on the described transmission shaft, described transmission shaft is fixedlyed connected with described input gear, described second gear and the 3rd gear are coaxial respectively to be fixedly connected on the described input shaft, be connected with axle sleeve on the described transmission shaft, described the 4th gear is coaxial to be fixedly installed on the described axle sleeve, described axle sleeve is fixedlyed connected with described driver plate, described first gear is meshed with described second gear, described the 3rd gear is meshed with described the 4th gear, and described housing shaft is connected on the described axle sleeve.
Described transmission shaft can be solid shaft, also can be hollow shaft.
Described planetary pinion can for one, two, three or more, and evenly be coupling on described driver plate around described input gear.
The described planetary number of teeth can equate with the number of teeth of described input gear, also can be unequal.
Compared with prior art, advantage of the present invention is because differential gear set connects with driver plate and input gear respectively, make driver plate have different rotating speeds with the input gear, and by the rotation of planetary transmission drive housing, realize the conversion between high input speed and the low output speed, when the needs design has the retarder of different reduction speed ratio, as long as change the number of teeth of phase gear, making it have different velocity ratios each other gets final product, and can realize super large reduction speed ratio (reduction speed ratio i is between 300～10000) truly, and all gears can adopt the gear transmission of straight-tooth transmission or other form, and when planetary quantity at two when above, whole retarder has the rotational structure of complete symmetry, makes whole reducer structure simple, easy to process, rigidity is big, the moment of torsion that can bear is big, also can reach the maximum idle running＜1 arc branch of retarder simultaneously, maximum angular error＜1 second, the highi degree of accuracy and the high efficiency transmission of retarder are realized in transmission efficiency＞0.92; In addition, the long service life of retarder.
Description of drawings
Fig. 1 is transmission principle figure of the present invention;
Fig. 2 is the plan view of the embodiment of the invention one;
Fig. 3 opens end view behind the housing for Fig. 2;
Fig. 4 is the sectional view of Fig. 2.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment one: as shown in the figure, a kind of retarder of high-accuracy high-efficiency rate, comprise input shaft 1, output shaft 2, differential gear set, driver plate 3, input gear 4 and housing 7, differential gear set comprises transmission shaft 5, first gear 51, second gear 52, the 3rd gear 53 and the 4th gear 54, input shaft 1 and output shaft 2 coaxial settings, transmission shaft 5 be arranged in parallel with input shaft 1, first gear, 51 coaxial being fixedly connected on the input shaft 1, input shaft 1 is fixedlyed connected with input gear 4, second gear 52 and the 3rd gear 53 are coaxial respectively to be fixedly connected on the transmission shaft 5, be connected with axle sleeve 6 on the input shaft 1, the 4th gear 54 coaxial being fixedly installed on the axle sleeve 6, axle sleeve 6 is fixedlyed connected with driver plate 3, first gear 51 is meshed with second gear 52, the 3rd gear 53 is meshed with the 4th gear 54, housing 7 is connected on the axle sleeve 6 by bearing shaft, be connected with three on the driver plate 3 around input gear 4 equally distributed planetary pinions 8, the coaxial transmission internal gear 71 that is set with in the housing 7, planetary pinion 8 is meshed with input gear 4 and transmission internal gear 71 simultaneously, and output shaft 2 coaxial one are connected on the housing 7.
Embodiment two: other structure is with embodiment one, difference is that the position of input shaft 1 and transmission shaft 5 exchanges mutually, that is: transmission shaft 5 and output shaft 2 coaxial settings, input shaft 1 be arranged in parallel with output shaft 2, first gear, 51 coaxial being fixedly connected on the transmission shaft 5, transmission shaft 5 is fixedlyed connected with input gear 4, second gear 52 and the 3rd gear 53 are coaxial respectively to be fixedly connected on the input shaft 1, be arranged with axle sleeve 6 on the transmission shaft 5, the 4th gear 54 coaxial being fixedly installed on the axle sleeve 6, axle sleeve 6 is fixedlyed connected with driver plate 3, and first gear 51 is meshed with second gear 52, and the 3rd gear 53 is meshed with the 4th gear 54.
In the foregoing description two, transmission shaft 5 can be hollow shaft, conveniently to wear electric wire.
In the foregoing description, as long as change the number of teeth of phase gear, just can make retarder have different reduction speed ratio, also can be by changing the number of teeth of phase gear, input motor and output shaft are rotated or backward rotation in the same way, to satisfy under the various situations requirement to retarder; Secondly also can change the reduction speed ratio of retarder by changing the planetary pinion 8 and the relative number of teeth of importing gear 4.
In addition, can select the foregoing description one or two described retarders, and this retarder can use in other equipment also according to the different mounting points of different industrial machine philtrum retarders.
Claims (6)
1. the retarder of a high-accuracy high-efficiency rate, it is characterized in that comprising housing, input shaft, output shaft, differential gear set, driver plate and input gear, described input shaft connects with described differential gear set, described differential gear set connects with described driver plate and described input gear respectively, be connected with at least one planetary pinion on the described driver plate, the coaxial transmission internal gear that is set with in the described housing, described planetary pinion is meshed with described input gear and described transmission internal gear simultaneously, described output shaft is coaxial to be fixedly connected on the described housing, for this retarder, as long as change the number of teeth of phase gear, just can make retarder have different reduction speed ratio, and can realize super large reduction speed ratio truly, also can be by changing the number of teeth of phase gear, input motor and output shaft are rotated or backward rotation in the same way, to satisfy under the various situations requirement to retarder.
2. the retarder of a kind of high-accuracy high-efficiency rate as claimed in claim 1, it is characterized in that described differential gear set comprises transmission shaft, first gear, second gear, the 3rd gear and the 4th gear, described input shaft and the coaxial setting of described output shaft, described transmission shaft and described input shaft be arranged in parallel, described first gear is coaxial to be fixedly connected on the described input shaft, described input shaft is fixedlyed connected with described input gear, described second gear and the 3rd gear are coaxial respectively to be fixedly connected on the described transmission shaft, be connected with axle sleeve on the described input shaft, described the 4th gear is coaxial to be fixedly installed on the described axle sleeve, described axle sleeve is fixedlyed connected with described driver plate, described first gear is meshed with described second gear, described the 3rd gear is meshed with described the 4th gear, and described housing shaft is connected on the described axle sleeve.
3. the retarder of a kind of high-accuracy high-efficiency rate as claimed in claim 1, it is characterized in that described differential gear set comprises transmission shaft, first gear, second gear, the 3rd gear and the 4th gear, described transmission shaft and the coaxial setting of described output shaft, described input shaft and described output shaft be arranged in parallel, described first gear is coaxial to be fixedly connected on the described transmission shaft, described transmission shaft is fixedlyed connected with described input gear, described second gear and the 3rd gear are coaxial respectively to be fixedly connected on the described input shaft, be connected with axle sleeve on the described transmission shaft, described the 4th gear is coaxial to be fixedly installed on the described axle sleeve, described axle sleeve is fixedlyed connected with described driver plate, described first gear is meshed with described second gear, described the 3rd gear is meshed with described the 4th gear, and described housing shaft is connected on the described axle sleeve.
4. the retarder of a kind of high-accuracy high-efficiency rate as claimed in claim 3 is characterized in that described transmission shaft is solid shaft or hollow shaft.
5. the retarder of a kind of high-accuracy high-efficiency rate as claimed in claim 1, it is characterized in that described planetary pinion be one, two, three or more, and evenly be coupling on described driver plate around described input gear.
6. the retarder of a kind of high-accuracy high-efficiency rate as claimed in claim 1 is characterized in that the described planetary number of teeth equates with the number of teeth of described input gear or unequal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106225053A CN102072285A (en) | 2010-12-31 | 2010-12-31 | High-precision efficient decelerator |
| PCT/CN2011/002112 WO2012088752A1 (en) | 2010-12-31 | 2011-12-16 | High-precision and high-efficiency speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106225053A CN102072285A (en) | 2010-12-31 | 2010-12-31 | High-precision efficient decelerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102072285A true CN102072285A (en) | 2011-05-25 |
Family
ID=44030963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106225053A Pending CN102072285A (en) | 2010-12-31 | 2010-12-31 | High-precision efficient decelerator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102072285A (en) |
| WO (1) | WO2012088752A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012088752A1 (en) * | 2010-12-31 | 2012-07-05 | Yang Xinsheng | High-precision and high-efficiency speed reducer |
| CN103225681A (en) * | 2012-01-31 | 2013-07-31 | 住友重机械工业株式会社 | A series of gear motors and a series of gear apparatuses |
| CN112248848A (en) * | 2020-09-29 | 2021-01-22 | 杭州未来已来科技有限公司 | Folding electric pile that fills of new energy automobile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1515687A (en) * | 1975-11-15 | 1978-06-28 | Gkn Transmissions Ltd | Transmission assemblies |
| CN1032700A (en) * | 1988-09-09 | 1989-05-03 | 吉林工业大学 | Combined type planetary reduction gear |
| CN2050108U (en) * | 1989-04-11 | 1989-12-27 | 吴相富 | Power transmission and speed regulation shunting current stepless reducer machine |
| WO1996035063A1 (en) * | 1995-05-05 | 1996-11-07 | Pascal Thery | Continuously variable, high performance transmission system for an engine, particularly of a motor vehicle |
| CN2410478Y (en) * | 2000-01-20 | 2000-12-13 | 胡志良 | Gear ratio fixed gear speed reducer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1331048A (en) * | 1969-09-24 | 1973-09-19 | Wilson Miller & Co | Epicyclic transmissions |
| HU207383B (en) * | 1990-02-06 | 1993-03-29 | Dezsoe Mery | Crank drive with epicyclic gear swivel pin particularly piston power- and working-machines |
| JPH09184557A (en) * | 1996-01-06 | 1997-07-15 | Minoru Nakagawa | Sun gear self-reversing drive type full-automatic continuously variable transmission |
| EP1477705B8 (en) * | 2002-02-21 | 2011-01-26 | Ebara Corporation | Starting device comprising a differential planetary gear device and method for starting a differential planetary gear device |
| CN100412414C (en) * | 2006-03-09 | 2008-08-20 | 南通大学 | Multiple binding rod and synchronous belt drive epicyclic train |
| CN102072285A (en) * | 2010-12-31 | 2011-05-25 | 杨新胜 | High-precision efficient decelerator |
| CN102062175A (en) * | 2010-12-31 | 2011-05-18 | 杨新胜 | Speed reducer with high precision and high efficiency |
-
2010
- 2010-12-31 CN CN2010106225053A patent/CN102072285A/en active Pending
-
2011
- 2011-12-16 WO PCT/CN2011/002112 patent/WO2012088752A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1515687A (en) * | 1975-11-15 | 1978-06-28 | Gkn Transmissions Ltd | Transmission assemblies |
| CN1032700A (en) * | 1988-09-09 | 1989-05-03 | 吉林工业大学 | Combined type planetary reduction gear |
| CN2050108U (en) * | 1989-04-11 | 1989-12-27 | 吴相富 | Power transmission and speed regulation shunting current stepless reducer machine |
| WO1996035063A1 (en) * | 1995-05-05 | 1996-11-07 | Pascal Thery | Continuously variable, high performance transmission system for an engine, particularly of a motor vehicle |
| CN2410478Y (en) * | 2000-01-20 | 2000-12-13 | 胡志良 | Gear ratio fixed gear speed reducer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012088752A1 (en) * | 2010-12-31 | 2012-07-05 | Yang Xinsheng | High-precision and high-efficiency speed reducer |
| CN103225681A (en) * | 2012-01-31 | 2013-07-31 | 住友重机械工业株式会社 | A series of gear motors and a series of gear apparatuses |
| CN112248848A (en) * | 2020-09-29 | 2021-01-22 | 杭州未来已来科技有限公司 | Folding electric pile that fills of new energy automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012088752A1 (en) | 2012-07-05 |
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Application publication date: 20110525 |