CN206802206U - A kind of multi-functional planetary reduction gear - Google Patents
A kind of multi-functional planetary reduction gear Download PDFInfo
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- CN206802206U CN206802206U CN201720576594.XU CN201720576594U CN206802206U CN 206802206 U CN206802206 U CN 206802206U CN 201720576594 U CN201720576594 U CN 201720576594U CN 206802206 U CN206802206 U CN 206802206U
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- inner tooth
- planet carrier
- tooth shell
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Abstract
The utility model discloses a kind of multi-functional planetary reduction gear, including：Primary planet pinion mechanism and involute planetary gear gear mechanism, primary planet pinion mechanism include：Central gear and planetary gear, the central gear are meshed with the planetary gear, and central shaft is fixed with central gear；Involute planetary gear gear mechanism includes：Inner tooth shell, eccentric shaft and external gear, the internal tooth engaged with external gear is installed in inner tooth shell, eccentric shaft is fixedly connected with planetary gear, and external gear is engaged with eccentric shaft, and planet carrier is provided between inner tooth shell and eccentric shaft, the utility model passes through in multiple fixtures, so that decelerator realizes the mode of Random seismic field and output so that decelerator can realize a variety of output speeds, expand the use range of decelerator, and manufacture difficulty is relatively low, manufacturing cost can be significantly reduced.
Description
Technical field
It the utility model is related to decelerator technical field, more particularly to a kind of multi-functional planetary reduction gear.
Background technology
The decelerator being now widely used in industrial robot joint is mainly put by primary planet pinion mechanism and one-level
Line pin wheel gear forms.And there is the trend for progressively substituting Harmonic Gears.This is put using primary planet pinion transmission with one-level
The decelerator of line pinwheel transmission is referred to as RV decelerators.Because processing of the RV decelerators to part and assembly precision require high, and
The processing technology of the part such as pin wheel housing and Cycloidal Wheel is poor, is difficult to highly-efficient processing on existing universal machine tools, it is necessary to open
Expensive special purpose machine tool is sent out, thus manufacturing cost is higher.In addition, Cycloidal pin-wheel drive is very quick to the eccentric throw error of Cycloidal Wheel
Sense, eccentric throw error contacts to it, stress and transmission accuracy have a great influence.Thus the required precision of eccentric body is very on eccentric shaft
Height, difficulty of processing is very big, in addition, existing decelerator using one input one output by the way of, can only that meet specific speed
The input and output of degree so that the use of decelerator is restricted, and can not meet the needs of bigger.
Utility model content
For drawbacks described above or deficiency, the purpose of this utility model is to provide a kind of multi-functional planetary reduction gear, can
Export the pattern of Multiinputoutput.
The technical solution of the utility model is：
A kind of multi-functional planetary reduction gear, including：Primary planet pinion mechanism and involute planetary gear gear mechanism
Structure, wherein：
The primary planet pinion mechanism includes：Central gear and planetary gear, the central gear and the planet
Gear is meshed, and central shaft is fixed with central gear；
The involute planetary gear gear mechanism includes：Inner tooth shell, eccentric shaft and external gear, inner tooth shell is interior to pacify
Equipped with the internal tooth engaged with external gear, it is provided with outside inner tooth shell for being fixed on the first fixture retractable in frame；It is described
Eccentric shaft is fixedly connected with planetary gear, and external gear is engaged with eccentric shaft by capacity eccentric bearing, is pacified between inner tooth shell and eccentric shaft
Equipped with planet carrier, it is provided with the planet carrier for being fixed on the second fixture retractable in frame.
The inner tooth shell is fixed by the first fixture with frame, and power inputs from central shaft, and power exports from planet carrier.
The planet carrier is fixed by the second fixture with frame, and power inputs from central shaft, and power exports from inner tooth shell.
The central shaft is installed in frame and fixed, and power inputs from inner tooth shell, and power exports from planet carrier.
First fixture and the second fixture are steady pin, bolt or buckle.
The first eccentric part and the second eccentric part, and the first eccentric part and the second eccentric part phase are configured with the eccentric shaft
Difference is degree, is provided with capacity eccentric bearing on the first eccentric part and the second eccentric part, the capacity eccentric bearing is without Internal and external cycle.
The external gear includes the first external gear and the second external gear, and the first external gear and the second external gear pass through bias
Bearing cooperation corresponding with the first eccentric part of eccentric shaft and the second eccentric part respectively.
It is furnished with inner tooth shell bearing between the output planetary frame and inner tooth shell, output planetary frame passes through inner tooth shell by inner tooth shell
Bearing rotatably supports.
It is furnished with planet carrier bearing between eccentric shaft and the output planetary frame, eccentric shaft passes through planet carrier by output planetary frame
Bearing rotatably supports.
The tooth form of the external gear and internal tooth is the involute by tooth top correction of the flank shape；The tooth of the external gear and internal tooth
It is 0.5~0.8 to rise coefficient, and the number of teeth difference of the external gear and inner tooth shell is 1~4.
Compared with the prior art, the beneficial effects of the utility model are：
The utility model provides a kind of multi-functional planetary reduction gear, by dividing on inner tooth shell, planet carrier and central shaft
Fixture is not set so that decelerator realizes the mode of Random seismic field and output so that decelerator can realize a variety of outputs
Speed, the use range of decelerator is expanded, in addition, the processing technology of the key components and parts of the device is preferable, it is not necessary to specially
With lathe, can be achieved on existing universal machine tools, manufacture difficulty is relatively low, can significantly reduce manufacturing cost, can answer extensively
For that in big speed ratio, high rigidity, the machine driving of lightweight, can be opened up for the development of industrial robot joint decelerator new
Road.
Brief description of the drawings
Fig. 1 is the structural representation of the multi-functional planetary reduction gear of the utility model；
Fig. 2 is that the utility model removes right view after output planetary frame；
Fig. 3 is the first I/O mode figure of the multi-functional planetary reduction gear of the utility model；
Fig. 4 is second of I/O mode figure of the multi-functional planetary reduction gear of the utility model；
Fig. 5 is the third I/O mode figure of the multi-functional planetary reduction gear of the utility model.
In figure, 1 is inner tooth shell, and 1-1 is the first fixture, and 2 be internal tooth, and 3 be planet carrier, and 3-1 is the second fixture, and 4 are
Central shaft, 5 be eccentric shaft, and 5a is the first eccentric part, and 5b is the second eccentric part, and 6 be planet carrier bearing, and 7 be external gear, 7a
One external gear, 7b are the second external gear, and gear centered on 8,9 be planetary gear, and 10 be inner tooth shell bearing, and 11 be capacity eccentric bearing.
Embodiment
The utility model is described in detail below in conjunction with accompanying drawing, it is clear that described embodiment is only this practicality
New part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to protection model of the present utility model
Enclose.
As shown in Figure 1, 2, the utility model provides a kind of multi-functional planetary reduction gear, available for being connected to industrial machine
The decelerator of the joint portion of people, including：Primary planet pinion mechanism and involute planetary gear gear mechanism, wherein：
The primary planet pinion mechanism includes：Central gear 8 and planetary gear 9, the central gear 8 and the row
Star gear 9 is meshed, and central shaft 4 is fixed with central gear 8；
The involute planetary gear gear mechanism includes：Inner tooth shell 1, eccentric shaft 5 and external gear 7, inner tooth shell 1
The internal tooth 2 engaged with external gear 7 is inside installed, is provided with outside inner tooth shell 1 solid for being fixed in frame 12 retractable first
Determine part 1-1；The eccentric shaft 5 is fixedly connected with planetary gear 9, and external gear 7 is engaged with eccentric shaft 5 by capacity eccentric bearing 11, interior
Planet carrier 3 is installed between tooth shell 1 and eccentric shaft 5, is provided with the planet carrier 3 retractable in frame 12 for being fixed on
Second fixture 3-1.
As shown in figure 3, the inner tooth shell 1 is fixed by the first fixture 1-1 with frame 12, power inputs from central shaft 4,
Power exports from planet carrier 3.
As shown in figure 4, the planet carrier 3 is fixed by the second fixture 3-1 with frame 12, power inputs from central shaft 4,
Power exports from inner tooth shell 1.
Fixed as shown in figure 5, the central shaft 4 is installed in frame 12 by the 3rd fixture, power is defeated from inner tooth shell 1
Enter, power exports from planet carrier 3.
It should be noted that the first fixture 1-1, the second fixture 3-1 and the 3rd fixture are steady pin, spiral shell
Bolt or buckle, or retractable fixed component, the present embodiment are exemplary explain.
Specifically, be configured with the first eccentric part 5a and the second eccentric part 5b on the eccentric shaft 5, and the first eccentric part 5a with
Second eccentric part 5b phase differences are 180 degree, and capacity eccentric bearing 11 is provided with the first eccentric part 5a and the second eccentric part 5b, described
External gear 7 includes the first external gear 7a and the second external gear 7b, and the first external gear 7a and the second external gear 7b pass through eccentric shaft
Hold 11 cooperations corresponding with the first eccentric part 5a and the second eccentric part 5b respectively, the first external gear 7a and the second external gear 7b
While engagement with internal tooth 2, turned round around the first eccentric part 5a and the second eccentric part 5b, in the common of the internal tooth 2 and eccentric shaft 5
Under effect, external gear 7 revolves round the sun around the axis of inner tooth shell 1, and around the reverse rotation of own axes.
Preferably, it is furnished with inner tooth shell bearing 10 between the output planetary frame 3 and inner tooth shell 1, output planetary frame is by internal tooth
Shell is rotatably supported by inner tooth shell bearing 10, and inner tooth shell bearing uses angular contact ball bearing or taper roll bearing.It is described
It is furnished with planet carrier bearing 6 between eccentric shaft 5 and output planetary frame 3, eccentric shaft can be revolved by output planetary frame by planet carrier bearing 6
Turn ground supporting.
The tooth form of the external gear 7 and internal tooth 2 is the involute by tooth top correction of the flank shape；The external gear 7 and internal tooth 2
Addendum coefficient be 0.5~0.8,1 number of teeth difference of the external gear 7 and inner tooth shell is 1~4.
It is obvious to a person skilled in the art that it will appreciate that above-mentioned Concrete facts example is of the present utility model preferred
Scheme, therefore improvement, the variation that those skilled in the art may make to some parts in the utility model, embodiment
It is still principle of the present utility model, realization is still the purpose of this utility model, belongs to the scope that the utility model is protected.
Claims (10)
- A kind of 1. multi-functional planetary reduction gear, it is characterised in that including：Primary planet pinion mechanism and involute less tooth difference row Star gear mechanism, wherein：The primary planet pinion mechanism includes：Central gear (8) and planetary gear (9), the central gear (8) with it is described Planetary gear (9) is meshed, and central shaft (4) is fixed with central gear (8)；The involute planetary gear gear mechanism includes：Inner tooth shell (1), eccentric shaft (5) and external gear (7), inner tooth shell (1) internal tooth (2) engaged with external gear (7) is installed in, is provided with outside inner tooth shell (1) for being fixed in frame (12) and can open The first fixture (1-1) closed；The eccentric shaft (5) is fixedly connected with planetary gear (9), and external gear (7) passes through with eccentric shaft (5) Capacity eccentric bearing (11) is engaged, and planet carrier (3) is provided between inner tooth shell (1) and eccentric shaft (5), is pacified on the planet carrier (3) Equipped with for being fixed on the second fixture (3-1) retractable in frame (12).
- 2. multi-functional planetary reduction gear according to claim 1, it is characterised in that the inner tooth shell (1) is solid by first It is fixed with frame (12) to determine part (1-1), power inputs from central shaft (4), and power exports from planet carrier (3).
- 3. multi-functional planetary reduction gear according to claim 1 or 2, it is characterised in that the planet carrier (3) passes through second Fixture (3-1) is fixed with frame (12), and power inputs from central shaft (4), and power exports from inner tooth shell (1).
- 4. multi-functional planetary reduction gear according to claim 3, it is characterised in that the central shaft (4) is installed on frame (12) fixed on, power inputs from inner tooth shell (1), and power exports from planet carrier (3).
- 5. multi-functional planetary reduction gear according to claim 1, it is characterised in that first fixture (1-1) and Two fixtures (3-1) are steady pin, bolt or buckle.
- 6. multi-functional planetary reduction gear according to claim 1, it is characterised in that is configured with the eccentric shaft (5) One eccentric part (5a) and the second eccentric part (5b), and the first eccentric part (5a) and the second eccentric part (5b) phase difference are 180 degree, the Capacity eccentric bearing (11) is provided with one eccentric part (5a) and the second eccentric part (5b), the capacity eccentric bearing (11) is without Internal and external cycle.
- 7. multi-functional planetary reduction gear according to claim 6, it is characterised in that the external gear (7) is included outside first Gear (7a) and the second external gear (7b), and the first external gear (7a) and the second external gear (7b) pass through capacity eccentric bearing (11) difference Cooperation corresponding with the first eccentric part (5a) and the second eccentric part (5b) of eccentric shaft (5).
- 8. multi-functional planetary reduction gear according to claim 1, it is characterised in that the planet carrier (3) and inner tooth shell (1) Between be furnished with inner tooth shell bearing (10), planet carrier (3) is rotatably supported by inner tooth shell (1) by inner tooth shell bearing (10).
- 9. multi-functional planetary reduction gear according to claim 1, it is characterised in that the eccentric shaft (5) and planet carrier (3) Between be furnished with planet carrier bearing (6), eccentric shaft (5) is rotatably supported by planet carrier (3) by planet carrier bearing (6).
- 10. multi-functional planetary reduction gear according to claim 1, it is characterised in that the external gear (7) and internal tooth (2) tooth form is the involute by tooth top correction of the flank shape；The addendum coefficient of the external gear (7) and internal tooth (2) be 0.5~ 0.8, the external gear (7) and the number of teeth difference of inner tooth shell (1) are 1~4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720576594.XU CN206802206U (en) | 2017-05-23 | 2017-05-23 | A kind of multi-functional planetary reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720576594.XU CN206802206U (en) | 2017-05-23 | 2017-05-23 | A kind of multi-functional planetary reduction gear |
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| Publication Number | Publication Date |
|---|---|
| CN206802206U true CN206802206U (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720576594.XU Active CN206802206U (en) | 2017-05-23 | 2017-05-23 | A kind of multi-functional planetary reduction gear |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185398A (en) * | 2018-10-18 | 2019-01-11 | 陕西长空齿轮有限责任公司 | Few teeth difference involute deceleration mechanism |
| CN110274002A (en) * | 2018-03-15 | 2019-09-24 | 住友重机械工业株式会社 | Deceleration device series, its construction method and manufacturing method |
| CN112178135A (en) * | 2020-09-08 | 2021-01-05 | 大连理工大学 | Light-weight small-tooth-difference double-pressure-angle involute planetary gear reducer and assembling method |
| WO2023108395A1 (en) * | 2021-12-14 | 2023-06-22 | 王国富 | Design method and manufacturing method for multi-connected planetary gear change-speed mechanism, and gear change-speed mechanism |
-
2017
- 2017-05-23 CN CN201720576594.XU patent/CN206802206U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274002A (en) * | 2018-03-15 | 2019-09-24 | 住友重机械工业株式会社 | Deceleration device series, its construction method and manufacturing method |
| CN109185398A (en) * | 2018-10-18 | 2019-01-11 | 陕西长空齿轮有限责任公司 | Few teeth difference involute deceleration mechanism |
| CN109185398B (en) * | 2018-10-18 | 2023-12-29 | 陕西长空齿轮有限责任公司 | Involute speed reducing mechanism with small tooth difference |
| CN112178135A (en) * | 2020-09-08 | 2021-01-05 | 大连理工大学 | Light-weight small-tooth-difference double-pressure-angle involute planetary gear reducer and assembling method |
| WO2023108395A1 (en) * | 2021-12-14 | 2023-06-22 | 王国富 | Design method and manufacturing method for multi-connected planetary gear change-speed mechanism, and gear change-speed mechanism |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240124 Address after: Qinchuan Precision Parts Industrial Park, No. 34 Jufu Road, Weibin District, Baoji City, Shaanxi Province, 721008 Patentee after: Shaanxi Qinchuan High Precision Transmission Technology Co.,Ltd. Country or region after: China Patentee after: QINCHUAN MACHINE TOOL GROUP CO.,LTD. Address before: 721008, 22 Tan Tan Road, Shaanxi, Baoji Patentee before: QINCHUAN MACHINE TOOL GROUP CO.,LTD. Country or region before: China |