CN208107078U - A kind of adjustable accuracy NGWN type planet-gear speed reducer - Google Patents
A kind of adjustable accuracy NGWN type planet-gear speed reducer Download PDFInfo
- Publication number
- CN208107078U CN208107078U CN201820537198.0U CN201820537198U CN208107078U CN 208107078 U CN208107078 U CN 208107078U CN 201820537198 U CN201820537198 U CN 201820537198U CN 208107078 U CN208107078 U CN 208107078U
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- CN
- China
- Prior art keywords
- gear
- ring gear
- planet
- ring
- eccentric shaft
- 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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Abstract
The utility model discloses a kind of adjustable accuracy NGWN type planet-gear speed reducers,Including the first ring gear,Bearing race,Steel ball,Steel ball insulated column,Bolt,Second ring gear,Planet carrier,Thin-wall bearing,Thin-wall bearing circlip,Compound planet gear,Needle bearing,Eccentric shaft,Eccentric shaft circlip,Deep groove ball bearing,Internal jump ring and sun gear,The setting of the utility model,The setting that the compound planet gear radial direction position of engagement is adjusted by eccentric shaft,Engage two in compound planet gear gears with the first ring gear and the second ring gear respectively,Engage the pinion gear of compound planet gear with sun gear,Compound planet gear radial position can be adjusted in the upper realization of NGWN type planetary reducer,Adjust the purpose for engaging backlash of compound planet gear and outer gear ring,There is NGWN type planetary reducer accurate adjustable,High reliablity,The features such as structure is simple,Meet the requirement of high-precision transmission field.
Description
Technical field
The utility model relates to a kind of planet-gear speed reducers, and in particular to a kind of adjustable accuracy NGWN type planetary gear reduction
Fast machine.
Background technique
NGWN type planet-gear speed reducer is since there are cumulative errors between components, it is difficult to realize that high-precision is driven.This
Utility model patent engages backlash by change compound planet gear and ring gear, to realize NGWN type planet-gear speed reducer
The adjustable purpose of precision.
Utility model content
The utility model provides a kind of adjustable accuracy NGWN type planet-gear speed reducer, solves NGWN currently on the market
Type planet-gear speed reducer is since there are cumulative errors between components, it is difficult to realize the problem of high-precision is driven.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
1, a kind of adjustable accuracy NGWN type planet-gear speed reducer of the utility model, including the first ring gear, bearing race,
The inner headed face of two ring gears, compound planet gear, planet carrier and sun gear, first ring gear and bearing race is provided with steel
Ball receway slot, the periphery of second ring gear are also provided with steel ball rolling channel slot, and first ring gear and bearing race pass through spiral shell
Bolt is coaxially fixed, and several steel balls and several steel ball insulated columns, institute are provided between first ring gear and bearing race
It states the first ring gear and bearing race and the second ring gear, steel ball and steel ball insulated column is combined into four angular contact bearing components；It is described
First ring gear and the second ring gear inner headed face are equipped with thin-wall bearing, and thin-wall bearing inner headed face is equipped with planet carrier, planet carrier two
End card slot is provided with thin-wall bearing circlip；The setting of several compound planet gears is in the first ring gear and the second ring gear and double
The connection large and small gear of planetary gear is engaged with the first ring gear and the second ring gear respectively, and the two sides of compound planet gear are logical
Needle bearing is crossed to be mounted on eccentric shaft, eccentric shaft both ends have mutually with one heart, with the but decentraction of intermediate cylindrical surface center parallel
Cylindrical surface is mounted in the both ends via hole of planet carrier surrounding open slot by circlip, several eccentric shafts are arranged at planet carrier four
In the open slot in week, centre bore is also vertically offered in the planet carrier, and the sun gear runs through the centre bore, sun tooth
The both ends cylindrical surface of wheel is connected by deep groove ball bearing with the centre bore both ends of planet carrier, all compound planet gears it is small
Gear is meshed with sun gear, and the pinion gear of the compound planet gear and the second ring gear are intermeshed, duplex planet
The gear wheel of gear and the first ring gear are intermeshed, the both ends of the planet carrier be provided with for constrain deep groove ball bearing and
The internal jump ring of the axial movement of sun gear.
As a kind of optimal technical scheme of the utility model, eccentric shaft both ends have mutually with one heart and in intermediate cylindrical surface
Heart line but has the protrusion or axial recessed for constraining eccentric shaft rotation on the cylinder region feature and cylinder region feature of decentraction in parallel
Slot has the jump-ring slot for constraining eccentric shaft axial movement on the mutually concentric cylinder region feature of eccentric shaft both ends.Eccentric shaft two
The protrusion of constraint eccentric shaft rotation or the mutual concentric circles cylinder of axial notch and both ends are special on the mutually concentric cylinder region feature in end
The vertical plane that sign center line and intermediate cylindrical surface center line are constituted changes at random within the scope of certain angle.
As a kind of optimal technical scheme of the utility model, one end that the eccentric shaft passes through compound planet gear passes through
Eccentric shaft circlip is fixed on the planet carrier.
As a kind of optimal technical scheme of the utility model, several steel balls and steel ball insulated column interval are arranged.
As a kind of optimal technical scheme of the utility model, the gear wheel, double of the sun gear, compound planet gear
Connection planetary gear pinion gear, the first ring gear, the preferred number of teeth between the second ring gear are：23,26,25,74,73.
As a kind of optimal technical scheme of the utility model, first ring gear, the second ring gear, planet carrier and too
Positive gear is respectively positioned on same axis.
The utility model beneficial effect achieved is：The setting of the utility model, can be in NGWN type planetary reducer
Upper realization adjust compound planet gear radial position, adjust compound planet gear and outer gear ring the purpose for engaging backlash, make
NGWN type planetary reducer has the characteristics that accurate adjustable, high reliablity, structure are simple, meets high-precision, large transmission ratio field
Requirement.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings：
Fig. 1 is a kind of explosive view of adjustable accuracy NGWN type planet-gear speed reducer of the utility model；
In figure：1, the first ring gear；2, bearing race；3, steel ball；4, steel ball insulated column；5, bolt；6, the second ring gear；7,
Planet carrier；8, thin-wall bearing；9, thin-wall bearing circlip；10, compound planet gear；11, needle bearing；12, eccentric shaft；13, partially
Mandrel circlip；14, deep groove ball bearing；15, internal jump ring；16, sun gear.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment：As shown in Figure 1, a kind of adjustable accuracy NGWN type planet-gear speed reducer of the utility model, including first
Ring gear 1, bearing race 2, the second ring gear 6, compound planet gear 10, planet carrier 7 and sun gear 16,1 He of the first ring gear
The inner headed face of bearing race 2 is provided with steel ball rolling channel slot, and the periphery of the second ring gear 6 is also provided with steel ball rolling channel slot, the first internal tooth
Circle 1 with bearing race 2 by the coaxial fixation of bolt 5, and if be provided between the first ring gear 1 and bearing race 2 several steel balls 3 with
Dry steel ball insulated column 4, the first ring gear 1 and bearing race 2 and the second ring gear 6, steel ball 3 and steel ball insulated column 4 are combined into four
Angular contact bearing component；First ring gear 1 and 6 inner headed face of the second ring gear are equipped with thin-wall bearing 8；8 inner headed face of thin-wall bearing
Equipped with planet carrier 7,7 both ends card slot of planet carrier is provided with thin-wall bearing circlip 9；Several compound planet gears 10 are arranged first
In ring gear 1 and the second ring gear 6 and the large and small gear of compound planet gear respectively with the first ring gear 1 and the second ring gear 6
Engagement, the two sides of compound planet gear 10 pass through needle bearing 11 and are mounted on eccentric shaft 12, and 12 both ends of eccentric shaft have mutually
With one heart, the cylindrical surface with the but decentraction of intermediate cylindrical surface center parallel is mounted on 7 surrounding open slot of planet carrier by circlip 13
In the via hole of both ends, several eccentric shafts 12 are arranged in the open slot of 7 surrounding of planet carrier, are also vertically opened in the planet carrier 7
Equipped with centre bore, and the sun gear 16 runs through the centre bore, and the both ends cylindrical surface of sun gear 16 passes through deep groove ball bearing
14 are connected with the centre bore both ends of planet carrier 7, and the pinion gear of all compound planet gears 10 is nibbled with 16 phase of sun gear
It closes, the pinion gear of the compound planet gear 10 and the second ring gear 6 are intermeshed, the gear wheel of compound planet gear 10 and the
The intermeshing of one ring gear 1, the both ends of the planet carrier 7 are provided with for constraining deep groove ball bearing 14 and sun gear 16
The internal jump ring 15 of axial movement.
There is cylinder region feature and circle mutually with one heart, with the but decentraction of intermediate cylindrical surface centerline parallel at 12 both ends of eccentric shaft
There are the protrusion or axial notch for constraining the rotation of eccentric shaft 12, the mutually concentric cylindrical surface in 12 both ends of eccentric shaft in cylinder feature
There is the jump-ring slot for constraining the axial movement of eccentric shaft 12 in feature.On the mutually concentric cylinder region feature in 12 both ends of eccentric shaft about
The protrusion or axial notch and the mutual concentric column region feature center line in both ends and intermediate cylindrical surface center that beam eccentric shaft 12 rotates
The vertical plane that line is constituted changes at random within the scope of certain angle.
One end that eccentric shaft 12 passes through compound planet gear 10 is fixed on planet carrier 7 by eccentric shaft circlip 13.
Several steel balls 3 and the interval of steel ball insulated column 4 are arranged.
Sun gear 16, the gear wheel of compound planet gear 10, the pinion gear of compound planet gear 10, the first ring gear 1,
The preferred number of teeth between second ring gear 6 is：23,26,25,74,73.
First ring gear 1, the second ring gear 6, planet carrier 7 and sun gear 16 are respectively positioned on same axis.
When specifically used, the first ring gear 1 and 2 inner headed face of bearing race have a steel ball rolling channel slot, outside the second ring gear 6
Disc is provided with steel ball rolling channel slot, the first ring gear 1 and bearing race 2 it is coaxially fixed by bolt 5 and with the second ring gear 6, steel ball
3 and steel ball insulated column 4 form four angular contact bearing components.Needle bearing 11, peace are packed into 10 both ends of the hole of compound planet gear
It is fixed on the eccentric shaft 12 on planet carrier 7 mounted in by eccentric shaft circlip 13,12 one end of eccentric shaft has for going together carrier 7 weeks
The protrusion (or groove) of radial groove (or protrusion) cooperation in the circular hole of side is used to constrain eccentric shaft 12 and turns relative to planet carrier 7
Dynamic, 7 centre bore of planet carrier is packed into sun gear 16 and engages with 10 pinion gear of compound planet gear, and 16 both ends of sun gear pass through
Deep groove ball bearing 14 is connect with planet carrier 7, and 7 centre bore both ends of planet carrier are packed into internal jump ring 15 and constrain deep groove ball bearing 14 and the sun
The axial movement of gear 16, this part form the turnover component of cyclic train.Turnover component is packed into four angular contact bearings
Component center, both ends are respectively charged into thin-wall bearing 8, thin-wall bearing circlip 9 forms adjustable accuracy NGWN type planetary reducer.Too
Positive gear 16 is engaged with 10 pinion gear of compound planet gear, and 10 pinion gear of compound planet gear is engaged with the second ring gear 6, duplex
10 gear wheel of planetary gear is engaged with the first ring gear 1, and sun gear 16 drives 10 pinion gear of compound planet gear along second
The engagement turnover of gear ring 6,10 pinion gear of compound planet gear drive 10 gear wheel of compound planet gear to rotate with same rotational speed, duplex
10 gear wheel of planetary gear drives the first ring gear 1 along the differential rotation of the second ring gear 6.Two ring gears are separately fixed at actuation
In the fixing end and output end of device.Planet carrier 7 can be rotated relative to the first ring gear 1 and the second ring gear 6.Duplex planet tooth
Two gears in wheel 10 are engaged with the first ring gear 1 and the second ring gear 6 respectively.First ring gear 1, the second ring gear 6, row
Carrier 7, sun gear 16 are respectively positioned on same axis.The mounting axis and bias at 12 both ends of eccentric shaft and 7 mounting hole of planet carrier
Axis 12, the mounting axis decentraction of compound planet gear 10 but parallel.Having inhibition on eccentric shaft 12, it is rotated relative to planet carrier 7
Protrusion or card slot, have the card slot matched with eccentric shaft 12 or protrusion on planet carrier 7.It is equipped on eccentric shaft 12 and inhibits its axis
To mobile eccentric shaft circlip 13.Protrusion or card slot geometric center and planet carrier 7 on eccentric shaft 12 install centerline hole
Vertical join line installs empty center line relative to compound planet gear 10 and planet carrier 7 installs the vertical plane of centerline hole composition, quasi-
Have the multiple angles part in certain angle variation range.According to suitable one group of measurement result apolegamy when assembly.It is packed into inclined
It is fixed with eccentric shaft circlip 13 in other end after mandrel 12, realize the purpose of adjustable accuracy.
This kind of adjustable accuracy NGWN type planet-gear speed reducer can be adjusted double in the upper realization of NGWN type planetary reducer
The purpose for engaging backlash for joining 10 radial position of planetary gear, adjusting compound planet gear 10 and outer gear ring, makes NGWN type planet
Speed reducer has the characteristics that accurate adjustable, high reliablity, structure are simple, meets the requirement of high-precision transmission field.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of adjustable accuracy NGWN type planet-gear speed reducer, including the first ring gear (1), bearing race (2), the second ring gear
(6), compound planet gear (10), planet carrier (7) and sun gear (16), which is characterized in that first ring gear (1) and axis
The inner headed face for holding circle (2) is provided with steel ball rolling channel slot, and the periphery of second ring gear (6) is also provided with steel ball rolling channel slot, institute
It is coaxial fixed by bolt (5) with bearing race (2) to state the first ring gear (1), and first ring gear (1) and bearing race (2)
Between be provided with several steel balls (3) and several steel ball insulated columns (4), first ring gear (1) and bearing race (2) and the
Two ring gears (6), steel ball (3) and steel ball insulated column (4) are combined into four angular contact bearing components；First ring gear (1),
The inner headed face of two ring gears (6) has thin-wall bearing (8), and thin-wall bearing (8) inner headed face is equipped with planet carrier (7), planet carrier (7)
Both ends card slot is provided with thin-wall bearing circlip (9)；Several compound planet gears (10) are arranged in the first ring gear (1) and second
In ring gear (6) and the large and small gear of compound planet gear is engaged with the first ring gear (1) and the second ring gear (6) respectively, double
The two sides of connection planetary gear (10) pass through needle bearing (11) and are mounted on eccentric shaft (12), and eccentric shaft (12) both ends have mutually
With one heart, with intermediate cylindrical surface center parallel but decentraction cylindrical surface by circlip (13) be mounted on planet carrier (7) surrounding opening
In the both ends via hole of slot, several eccentric shafts (12) are arranged in the open slot of planet carrier (7) surrounding, the planet carrier (7)
Centre bore is inside also vertically offered, and the sun gear (16) runs through the centre bore, the both ends cylindrical surface of sun gear (16)
It is connected by deep groove ball bearing (14) with the centre bore both ends of planet carrier (7), the small tooth of all compound planet gears (10)
Wheel is meshed with sun gear (16), and the pinion gear of the compound planet gear (10) and the second ring gear (6) are intermeshed,
The gear wheel and the first ring gear (1) of compound planet gear (10) are intermeshed, and the both ends of the planet carrier (7) are provided with use
Come constrain deep groove ball bearing (14) and sun gear (16) axial movement internal jump ring (15).
2. a kind of adjustable accuracy NGWN type planet-gear speed reducer according to claim 1, which is characterized in that the bias
Axis (12) both ends have mutually with one heart, with intermediate cylindrical surface centerline parallel but on the cylinder region feature and cylinder region feature of decentraction
There are a protrusion or axial notch for constraining eccentric shaft (12) rotation, on the mutually concentric cylinder region feature of eccentric shaft (12) both ends
There is the jump-ring slot for constraining eccentric shaft (12) axial movement, is constrained on the mutually concentric cylinder region feature in eccentric shaft (12) both ends
The protrusion or axial notch of eccentric shaft (12) rotation and the mutual concentric column region feature center line in both ends and intermediate cylindrical surface center
The vertical plane that line is constituted changes at random within the scope of certain angle.
3. a kind of adjustable accuracy NGWN type planet-gear speed reducer according to claim 1, which is characterized in that the bias
Axis (12) passes through compound planet gear (10), is fixed on planet carrier (7) by eccentric shaft circlip (13).
4. a kind of adjustable accuracy NGWN type planet-gear speed reducer according to claim 1, which is characterized in that several steel
Ball (3) and steel ball insulated column (4) interval are arranged.
5. a kind of adjustable accuracy NGWN type planet-gear speed reducer according to claim 4, which is characterized in that the sun
Gear (16), the gear wheel of compound planet gear (10), the pinion gear of compound planet gear (10), the first ring gear (1), second
The preferred number of teeth between ring gear (6) is：23,26,25,74,73.
6. a kind of adjustable accuracy NGWN type planet-gear speed reducer according to claim 1, which is characterized in that described first
Ring gear (1), the second ring gear (6), planet carrier (7) and sun gear (16) are respectively positioned on same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820537198.0U CN208107078U (en) | 2018-04-16 | 2018-04-16 | A kind of adjustable accuracy NGWN type planet-gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820537198.0U CN208107078U (en) | 2018-04-16 | 2018-04-16 | A kind of adjustable accuracy NGWN type planet-gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208107078U true CN208107078U (en) | 2018-11-16 |
Family
ID=64117920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820537198.0U Expired - Fee Related CN208107078U (en) | 2018-04-16 | 2018-04-16 | A kind of adjustable accuracy NGWN type planet-gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208107078U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577881A (en) * | 2020-05-30 | 2020-08-25 | 江苏行星重载齿轮箱有限公司 | Split type planet carrier |
| CN111623085A (en) * | 2019-02-28 | 2020-09-04 | 李尔公司 | Gear assembly |
-
2018
- 2018-04-16 CN CN201820537198.0U patent/CN208107078U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623085A (en) * | 2019-02-28 | 2020-09-04 | 李尔公司 | Gear assembly |
| CN111623085B (en) * | 2019-02-28 | 2022-01-11 | 李尔公司 | Gear assembly |
| CN111577881A (en) * | 2020-05-30 | 2020-08-25 | 江苏行星重载齿轮箱有限公司 | Split type planet carrier |
| CN111577881B (en) * | 2020-05-30 | 2022-12-02 | 江苏行星重载齿轮箱有限公司 | Split type planet carrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 Termination date: 20190416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |