CN207213051U - A kind of planet-gear speed reducer - Google Patents
A kind of planet-gear speed reducer Download PDFInfo
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- CN207213051U CN207213051U CN201721218534.7U CN201721218534U CN207213051U CN 207213051 U CN207213051 U CN 207213051U CN 201721218534 U CN201721218534 U CN 201721218534U CN 207213051 U CN207213051 U CN 207213051U
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- planet
- shaft
- gear
- fore
- planetary gear
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Abstract
It the utility model is related to a kind of planet-gear speed reducer, including housing, the input shaft at setting housing both ends includes the first central gear, the first planet carrier, the first planetary gear, the first planet axis, the first internal gear, solar shaft, secondary sun wheel, the second planet carrier, the second planetary gear, the second planet axis and secondary annulus with output shaft and the planetary gear reducing mechanism being arranged in housing, the planetary gear reducing mechanism respectively.Technical solutions of the utility model, there is the technique effect of simple and compact for structure, stable output.
Description
Technical field
It the utility model is related to a kind of planet-gear speed reducer.
Background technology
Planet-gear speed reducer, generally include housing, input shaft and output shaft and the setting at housing both ends are set respectively
Planetary gear reducing mechanism in housing, existing planet-gear speed reducer, complicated huge, output shakiness generally be present
The shortcomings that determining.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model be to provide it is a kind of simple and compact for structure, stably
The planet-gear speed reducer of output.
To achieve the above object, the utility model provides following technical scheme：A kind of planet-gear speed reducer, including shell
Body, the input shaft that housing both ends are set respectively and output shaft and the planetary gear reducing mechanism being arranged in housing, the row
Star gear reduction includes the first central gear, the first planet carrier, the first planetary gear, the first planet axis, the first internal gear, too
Positive axle, secondary sun wheel, the second planet carrier, the second planetary gear, the second planet axis and secondary annulus, first sun
With the input shaft in being wholely set, first planet axis is set in parallel in first planet gear with the input shaft
On frame, first planetary gear is rotatably set in first planet axis and is engaged with first central gear, institute
State the first internal gear to set on the housing and be engaged with first planetary gear, one end of first planet carrier is set
There is internal tooth, one end of the solar shaft is provided with the external tooth that the internal tooth of the first planet carrier is engaged, and the secondary sun wheel is set
Put on the solar shaft, second planet axis is set in parallel on second planet carrier with the solar shaft, described
Second planetary gear is rotatably set in second planet axis and is engaged with the secondary sun wheel, second internal tooth
Wheel sets on the housing and is engaged with second planetary gear, and the output shaft is in be wholely set with the second planet carrier.
By using technical solutions of the utility model, during work, input shaft rotates, and the first central gear drives the first planet
Wheel rotates, so that the first planet carrier rotates, the first planet carrier driving solar shaft rotates, and secondary sun wheel drives the second row
Star-wheel rotates, so as to which the second planet carrier rotates so that output shaft exports.Therefore, technical solutions of the utility model, there is knot
Structure simple and compact, the technique effect of stable output.
The utility model is further set：The input shaft is in be coaxially disposed with the solar shaft, input shaft and solar shaft
Between be provided with fore-set, the fore-set is fixedly installed on first planet carrier.
By using technical solutions of the utility model so that the fortune that input shaft can more be stablized with solar shaft during work
OK, so as to further improve the stability of output.
The utility model is further set：The face area that the fore-set corresponds to solar shaft one end is more than the corresponding input of fore-set
The face area of axle one end.
By using technical solutions of the utility model so that there is bigger contact area between fore-set and solar shaft, and
The contact area between fore-set and input shaft is reduced, further improves input shaft and the stability of solar shaft operation.
The utility model is further set：The through hole of conducting both ends end face is provided with the fore-set.
By using technical solutions of the utility model so that lubricating oil is lubricated by through hole to fore-set both ends of the surface, more
Further improve input shaft and the stability of solar shaft operation.
The utility model is further set：The fore-set corresponds to end face input shaft one end corresponding with fore-set of solar shaft one end
End face on be respectively arranged with guide groove, the both ends of the guide groove are conducted with the outer peripheral face of the through hole and fore-set respectively to be set
Put.
By using technical solutions of the utility model so that lubricating oil is preferably moistened by guide groove to fore-set both ends of the surface
It is sliding, further improve input shaft and the stability of solar shaft operation.
Brief description of the drawings
Fig. 1 is the utility model embodiment structure chart；
Fig. 2 is Fig. 1 A portions enlarged drawing.
Embodiment
Referring to accompanying drawing 1-2, planet-gear speed reducer disclosed in the utility model, including housing 1, respectively set 1 liang of housing
The input shaft 2 at end and output shaft 3 and the planetary gear reducing mechanism being arranged in housing 1, the planetary gear reducing mechanism
Including the first central gear 4, the first planet carrier 5, the first planetary gear 6, the first planet axis 7, the first internal gear 8, solar shaft 9,
Two central gears 10, the second planet carrier 11, the second planetary gear 13, the second planet axis 14 and secondary annulus 15, described first
With the input shaft 2 in being wholely set, first planet axis 7 is set in parallel described central gear 4 with the input shaft 2
On first planet carrier 5, first planetary gear 6 be rotatably set in first planet axis 7 and with first sun tooth
Wheel 4 is engaged, and first internal gear 8 is arranged on the housing 1 and is engaged with first planetary gear 6, described first
One end of planet carrier 5 is provided with internal tooth, and one end of the solar shaft 9 is provided with the external tooth that the internal tooth of the first planet carrier 5 is engaged,
The secondary sun wheel 10 is arranged on the solar shaft 9, and second planet axis 14 is set in parallel with the solar shaft 9
On second planet carrier 11, second planetary gear 13 is rotatably set in second planet axis 14 and with described
Two central gears 10 are engaged, and the secondary annulus 15 is arranged on the housing 1 and matched with second planetary gear 13
Close, the output shaft 3 is in be wholely set with the second planet carrier 11.By using technical solutions of the utility model, during work, input
Axle 2 rotates, and the first central gear 4 drives the first planetary gear 6 to rotate, so that the first planet carrier 5 rotates, the first planet carrier 5
Driving solar shaft 9 rotates, and secondary sun wheel 10 drives the second planetary gear 13 to rotate, so as to which the second planet carrier 11 rotates,
So that output shaft 3 exports.Therefore, technical solutions of the utility model, there is the technique effect of simple and compact for structure, stable output.
The present embodiment is further set：The input shaft 2 is in be coaxially disposed with the solar shaft 9, input shaft 2 and solar shaft
Fore-set 16 is provided between 9, the fore-set 16 is fixedly installed on first planet carrier 5.By using the utility model skill
Art scheme so that the operation that input shaft 2 can more be stablized with solar shaft 9 during work, so as to further improve the stabilization of output
Property.
The present embodiment is further set：The face area of the corresponding one end of solar shaft 9 of the fore-set 16 is more than the correspondence of fore-set 16
The face area of the one end of input shaft 2.By using technical solutions of the utility model so that have between fore-set 16 and solar shaft 9
Bigger contact area, and the contact area between fore-set 16 and input shaft 2 is reduced, further improve input shaft 2 and solar shaft 9
The stability of operation.
The present embodiment is further set：The through hole 1601 of conducting both ends end face is provided with the fore-set 16.By using
Technical solutions of the utility model so that lubricating oil is lubricated by through hole 1601 to the both ends of the surface of fore-set 16, is further improved
The stability that input shaft 2 is run with solar shaft 9.
The present embodiment is further set：The end face input shaft 2 corresponding with fore-set 16 of the corresponding one end of solar shaft 9 of the fore-set 16
Be respectively arranged with guide groove 1602 on the end face of one end, the both ends of the guide groove 1602 respectively with the through hole 1601 and fore-set 16
Outer peripheral face be conducted setting.By using technical solutions of the utility model so that lubricating oil is preferably right by guide groove 1602
The both ends of the surface of fore-set 16 are lubricated, and further improve the stability that input shaft 2 is run with solar shaft 9.
Claims (5)
1. a kind of planet-gear speed reducer, including housing, housing both ends are set respectively input shaft and output shaft and be arranged on
Planetary gear reducing mechanism in housing, it is characterised in that：The planetary gear reducing mechanism includes the first central gear, first
Planet carrier, the first planetary gear, the first planet axis, the first internal gear, solar shaft, secondary sun wheel, the second planet carrier, the second row
Star-wheel, the second planet axis and secondary annulus, first central gear are in be wholely set with the input shaft, and described first
Planet axis is set in parallel on first planet carrier with the input shaft, and first planetary gear is rotatably set in described
Be engaged in first planet axis and with first central gear, first internal gear set on the housing and with it is described
First planetary gear is engaged, and one end of first planet carrier is provided with internal tooth, and one end of the solar shaft is provided with the first row
The external tooth that the internal tooth of carrier is engaged, the secondary sun wheel are arranged on the solar shaft, second planet axis and institute
State solar shaft to be set in parallel on second planet carrier, second planetary gear is rotatably set in second planet axis
It is upper and be engaged with the secondary sun wheel, the secondary annulus set on the housing and with second planetary gear
It is engaged, the output shaft is in be wholely set with the second planet carrier.
2. planet-gear speed reducer according to claim 1, it is characterised in that：The input shaft is with the solar shaft in same
Axle is set, and fore-set is provided between input shaft and solar shaft, the fore-set is fixedly installed on first planet carrier.
3. planet-gear speed reducer according to claim 2, it is characterised in that：The fore-set corresponds to the end of solar shaft one end
Face area is more than the face area that fore-set corresponds to input shaft one end.
4. planet-gear speed reducer according to claim 3, it is characterised in that：Conducting both ends end is provided with the fore-set
The through hole in face.
5. planet-gear speed reducer according to claim 4, it is characterised in that：The fore-set corresponds to the end of solar shaft one end
Be respectively arranged with guide groove on the end face of face input shaft one end corresponding with fore-set, the both ends of the guide groove respectively with the through hole and
The outer peripheral face of fore-set is conducted setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721218534.7U CN207213051U (en) | 2017-09-21 | 2017-09-21 | A kind of planet-gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721218534.7U CN207213051U (en) | 2017-09-21 | 2017-09-21 | A kind of planet-gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207213051U true CN207213051U (en) | 2018-04-10 |
Family
ID=61822164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721218534.7U Active CN207213051U (en) | 2017-09-21 | 2017-09-21 | A kind of planet-gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207213051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242730A (en) * | 2019-05-28 | 2019-09-17 | 无锡腾马精密机械有限公司 | Planetary reducer sun gear and input shaft, planet carrier package assembly |
-
2017
- 2017-09-21 CN CN201721218534.7U patent/CN207213051U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242730A (en) * | 2019-05-28 | 2019-09-17 | 无锡腾马精密机械有限公司 | Planetary reducer sun gear and input shaft, planet carrier package assembly |
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