CN102062175A - Speed reducer with high precision and high efficiency - Google Patents
Speed reducer with high precision and high efficiency Download PDFInfo
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- CN102062175A CN102062175A CN2010106225015A CN201010622501A CN102062175A CN 102062175 A CN102062175 A CN 102062175A CN 2010106225015 A CN2010106225015 A CN 2010106225015A CN 201010622501 A CN201010622501 A CN 201010622501A CN 102062175 A CN102062175 A CN 102062175A
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Abstract
The invention discloses a speed reducer with high precision and high efficiency, and is characterized in that the speed reducer with high precision and high efficiency comprises an input shaft, an output shaft, a differential gear group, a driver plate and a drive inner gear, wherein the input shaft and the differential gear group are connected; the differential gear group is respectively connected with the driver plate and the drive inner gear; the driver plate is axially connected with at least one planet gear; the output shaft is coaxially and fixedly connected with an output gear; and the planet gear is simultaneously meshed with the output gear and the drive inner gear. The speed reducer with high precision and high efficiency has the advantages that when the speed reducers with different speed reducing ratios need to be designed, just the gear number of the meshed gears is changed, as long as the gears have different drive ratios, the ultra-large speed reducing ratio in genuine significance can be realized, the whole speed reducer has a full symmetrical rotational structure, the structure is simple, the speed reducer is convenient to process, has large rigidity, and can bear large torque, and simultaneously high precision and high efficiency driving of the speed reducer can be realized.
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 input shaft, output shaft, differential gear set, driver plate and transmission internal gear, described input shaft connects with described differential gear set, described differential gear set connects with described driver plate and transmission internal gear respectively, be connected with at least one planetary pinion on the described driver plate, the coaxial output gear that is fixedly connected with on the described output shaft, described planetary pinion is meshed with described output gear and described transmission internal gear simultaneously, 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 driver plate, described second gear and the 3rd gear are coaxial respectively to be fixedly connected on the described transmission shaft, co-axial shafts is connected to 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 transmission internal gear, described first gear is meshed with described second gear, and described the 3rd gear is meshed with described the 4th gear.
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 installed on the described transmission shaft, described transmission shaft is fixedlyed connected with described driver plate, described second gear and the 3rd gear are coaxial respectively to be fixedly connected on the described input shaft, co-axial shafts is connected to 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 transmission internal gear, described first gear is meshed with described second gear, and described the 3rd gear is meshed with described the 4th gear.
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 output gear.
The described planetary number of teeth can equate with the number of teeth of described output gear, also can be unequal.
Compared with prior art, advantage of the present invention is because differential gear set connects with driver plate and transmission internal gear respectively, make driver plate have different rotating speeds with the transmission internal gear, and by the rotation of planetary transmission drive output gear, 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 three-dimensional cutaway view of the embodiment of the invention one;
Fig. 3 is the end view of the embodiment of the invention one;
Fig. 4 is the stereogram of the embodiment of the invention two;
Fig. 5 is the sectional view of the embodiment of the invention two.
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 and transmission internal gear 4, 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 driver plate 3, 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 by coaxial bearing 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 transmission internal gear 4, first gear 51 is meshed with second gear 52, the 3rd gear 53 is meshed with the 4th gear 54, be connected with three on the driver plate 3 around output shaft 2 equally distributed planetary pinions 7, the coaxial output gear 8 that is fixedly connected with on the output shaft 2, planetary pinion 7 is meshed with output gear 8 and transmission internal gear 4 simultaneously.
Embodiment two: as shown in the figure, 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 installed on the transmission shaft 5, transmission shaft 5 is fixedlyed connected with driver plate 3, second gear 52 and the 3rd gear 53 are coaxial respectively to be fixedly connected on the input shaft 1, be connected with axle sleeve 6, the four gears 54 coaxial being fixedly installed on the axle sleeve 6 by coaxial bearing on the transmission shaft 5, axle sleeve 6 is fixedlyed connected with transmission internal gear 4, 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 the relative number of teeth of change planetary pinion 7 with output gear 8.
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 input shaft, output shaft, differential gear set, driver plate and transmission internal gear, described input shaft connects with described differential gear set, described differential gear set connects with described driver plate and transmission internal gear respectively, be connected with at least one planetary pinion on the described driver plate, the coaxial output gear that is fixedly connected with on the described output shaft, described planetary pinion is meshed with described output gear and described transmission internal gear simultaneously, 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 driver plate, described second gear and the 3rd gear are coaxial respectively to be fixedly connected on the described transmission shaft, co-axial shafts is connected to 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 transmission internal gear, described first gear is meshed with described second gear, and described the 3rd gear is meshed with described the 4th gear.
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 installed on the described transmission shaft, described transmission shaft is fixedlyed connected with described driver plate, described second gear and the 3rd gear are coaxial respectively to be fixedly connected on the described input shaft, co-axial shafts is connected to 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 transmission internal gear, described first gear is meshed with described second gear, and described the 3rd gear is meshed with described the 4th gear.
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 output 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 output gear or unequal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106225015A CN102062175A (en) | 2010-12-31 | 2010-12-31 | Speed reducer with high precision and high efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106225015A CN102062175A (en) | 2010-12-31 | 2010-12-31 | Speed reducer with high precision and high efficiency |
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| Publication Number | Publication Date |
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| CN102062175A true CN102062175A (en) | 2011-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010106225015A Pending CN102062175A (en) | 2010-12-31 | 2010-12-31 | Speed reducer with high precision and high efficiency |
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| CN (1) | CN102062175A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192291A (en) * | 2011-05-24 | 2011-09-21 | 江苏省金象减速机有限公司 | Two-stage gear-drive-type speed reducer with gear ratio configured randomly and method of parameter configuration |
| WO2012088752A1 (en) * | 2010-12-31 | 2012-07-05 | Yang Xinsheng | High-precision and high-efficiency speed reducer |
| CN104047998A (en) * | 2013-03-12 | 2014-09-17 | 李建利 | Suspension wheel speed reducer |
| CN106136966A (en) * | 2016-09-28 | 2016-11-23 | 衢州福创工业设计有限公司 | The coaxial two speed juice extractors have fast-crushing concurrently, extruding at a slow speed |
| CN108393901A (en) * | 2018-04-28 | 2018-08-14 | 沈阳建筑大学 | A kind of five degree of freedom multi-functional mechanical process equipment |
| CN110285194A (en) * | 2019-07-01 | 2019-09-27 | 南京航空航天大学 | A kind of input and output coaxial speed-down mechanism with coupling in the same direction |
| CN112747097A (en) * | 2020-12-30 | 2021-05-04 | 苏州绿科智能机器人研究院有限公司 | Alternative operation type RV reducer integrated device |
| CN112802314A (en) * | 2020-12-31 | 2021-05-14 | 国网山西省电力公司信息通信分公司 | Multifunctional inspection robot for communication machine room |
Citations (6)
| 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 |
| WO1996035063A1 (en) * | 1995-05-05 | 1996-11-07 | Pascal Thery | Continuously variable, high performance transmission system for an engine, particularly of a motor vehicle |
| JPH09184557A (en) * | 1996-01-06 | 1997-07-15 | Minoru Nakagawa | Sun gear self-reversing drive type full-automatic continuously variable transmission |
| CN2410478Y (en) * | 2000-01-20 | 2000-12-13 | 胡志良 | Gear ratio fixed gear speed reducer |
| CN1639485A (en) * | 2002-02-21 | 2005-07-13 | 株式会社荏原制作所 | Differential planetary gear device, and differential planetary gear device starting device and starting method |
-
2010
- 2010-12-31 CN CN2010106225015A patent/CN102062175A/en active Pending
Patent Citations (6)
| 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 |
| WO1996035063A1 (en) * | 1995-05-05 | 1996-11-07 | Pascal Thery | Continuously variable, high performance transmission system for an engine, particularly of a motor vehicle |
| JPH09184557A (en) * | 1996-01-06 | 1997-07-15 | Minoru Nakagawa | Sun gear self-reversing drive type full-automatic continuously variable transmission |
| CN2410478Y (en) * | 2000-01-20 | 2000-12-13 | 胡志良 | Gear ratio fixed gear speed reducer |
| CN1639485A (en) * | 2002-02-21 | 2005-07-13 | 株式会社荏原制作所 | Differential planetary gear device, and differential planetary gear device starting device and starting method |
Cited By (8)
| 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 |
| CN102192291A (en) * | 2011-05-24 | 2011-09-21 | 江苏省金象减速机有限公司 | Two-stage gear-drive-type speed reducer with gear ratio configured randomly and method of parameter configuration |
| CN104047998A (en) * | 2013-03-12 | 2014-09-17 | 李建利 | Suspension wheel speed reducer |
| CN106136966A (en) * | 2016-09-28 | 2016-11-23 | 衢州福创工业设计有限公司 | The coaxial two speed juice extractors have fast-crushing concurrently, extruding at a slow speed |
| CN108393901A (en) * | 2018-04-28 | 2018-08-14 | 沈阳建筑大学 | A kind of five degree of freedom multi-functional mechanical process equipment |
| CN110285194A (en) * | 2019-07-01 | 2019-09-27 | 南京航空航天大学 | A kind of input and output coaxial speed-down mechanism with coupling in the same direction |
| CN112747097A (en) * | 2020-12-30 | 2021-05-04 | 苏州绿科智能机器人研究院有限公司 | Alternative operation type RV reducer integrated device |
| CN112802314A (en) * | 2020-12-31 | 2021-05-14 | 国网山西省电力公司信息通信分公司 | Multifunctional inspection robot for communication machine room |
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Application publication date: 20110518 |