CN206111962U - Car axle wheel limit planetary reducer constructs - Google Patents
Car axle wheel limit planetary reducer constructs Download PDFInfo
- Publication number
- CN206111962U CN206111962U CN201621002219.6U CN201621002219U CN206111962U CN 206111962 U CN206111962 U CN 206111962U CN 201621002219 U CN201621002219 U CN 201621002219U CN 206111962 U CN206111962 U CN 206111962U
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- output flange
- extension
- wheel hub
- gear
- planetary
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Abstract
The utility model discloses a car axle wheel limit planetary reducer constructs, including output flange (1), wheel hub (2), floating oil seal (3), planet wheel carrier (4), locking bolt (5), planet wheel (6), ring gear (7) and sun gear shaft cover (8), output flange middle part is equipped with the extension to the hollow structure of inboard protrusion extension, and the outer wall of extension sets up the inside at wheel hub through the bearing with whole output flange, floating oil seal is located the output flange in the outboard bearing outside and the position between the wheel hub inner wall, the outside power output shaft of planet wheel carrier penetrates the inside locking bolt and the output flange joint of passing through of extension of output flange, the outer diameter of ring gear installs in wheel hub's ring gear mounting hole with the internal diameter size interference fit and the location of wheel hub's ring gear mounting hole. This car axle wheel limit planetary reducer constructs can guarantee that the firm prerequisite lower excess of being connected of ring gear and axle housing has the effect now and seals up, prevents lubricating oil and reveal.
Description
Technical field
This utility model is related to a kind of decelerator, specifically a kind of vehicle bridge wheel side planetary gear speed reducing mechanism, belongs to vehicle bridge deceleration
Device technical field.
Background technology
Hub reduction gear is afterbody deceleration torsion increasing device in automotive transmission, can be met total using hub reduction gear
Under the conditions of gear ratio identical, reduce the load of the parts such as variator, power transmission shaft, main reducing gear, differential mechanism, semiaxis, size
The advantages of diminishing and make drive axle to obtain the larger road clearance, it is widely used in load truck, motorbus, cross-country
Automobile and some other large-scale work mine car.
Hub reduction gear is in order to improve the driving force of automobile, to meet or correct a set of of whole drive system power matching
Reduction of speed increases the gear drive turned round, and is typically made up of sun gear, planetary gear, gear ring and planetary wheel carrier, general its driving link
Sun gear is connected with semiaxis, Passive part planetary wheel carrier is connected with wheel, gear ring is connected with axle housing.
The gear ring of existing hub reduction gear is typically with gear ring installing rack with the connected mode of axle housing and is connected with axle housing,
This space hold by the way of gear ring installing rack is excessive, and overall structure is not compact；In addition, inside existing hub reduction gear
Oil sealing be generally only conventional seals circle, not only easily reveal lubricating oil and also install when easily cause crimp affect sealing
Effect.
The content of the invention
For the problems referred to above, this utility model provides a kind of vehicle bridge wheel side planetary gear speed reducing mechanism, can ensure gear ring with
Realize effectively sealing on the premise of the firm connection of axle housing, prevent oil leakage.
For achieving the above object, this vehicle bridge wheel side planetary gear speed reducing mechanism includes output flange, wheel hub, float grease seal, planet
Wheel carrier, clamping screw, planetary gear, ring gear and sun gear；
It is provided with the middle part of described output flange to inner side and protrudes the extension of the hollow structure for extending, the outer wall of extension leads to
The inside that whole output flange is erected at bearing wheel hub is crossed, the inner surface setting of extension has internal spline structure, positioned at outside
The position between output flange and wheel hub inwall on the outside of bearing is additionally provided with float grease seal；
Described planetary wheel carrier includes outside power output shaft and inner planet geear support shaft, and inner planet geear is supported
Axle is set to more than one piece along outside power output shaft centrosymmetry；The outside power output shaft end face center position of planetary wheel carrier is along axle
Threaded mounting hole is provided with to direction, the outside power output shaft of planetary wheel carrier is provided with the internal spline structure cooperation with output flange
External splines, the outside power output shaft of planetary wheel carrier penetrated inside the extension of output flange and by clamping screw and output
Flange airtight connection；
The quantity of described planetary gear is identical with the quantity of the inner planet geear support shaft of planetary wheel carrier and passes through bearing
Socket is in the inner planet geear support shaft of planetary wheel carrier；
The profile of tooth of described ring gear and planetary gear with merge engage, and ring gear outside dimension and wheel hub ring gear
The internal diameter size interference fit location and installation of installing hole is in the ring gear installing hole of wheel hub；
Described sun gear is arranged on the center of multiple planetary gears, and the profile of tooth of the external tooth of sun gear and planetary gear is matched somebody with somebody
Merge engagement, the endoporus of sun gear and be provided with spline structure.
Used as further improvement of the utility model scheme, the external diameter surface of described ring gear is provided with knurling structure.
Used as further improvement of the utility model scheme, the ring gear installation hole end surface of described wheel hub is upper in internal tooth
Link position between circle and the ring gear installing hole of wheel hub is provided with rotation stopping screw.
Used as further improvement of the utility model scheme, the extension outer wall of described output flange is centripetal by two pieces
Whole output flange is erected at thrust bearing the inside of wheel hub, and two pieces radial thrust bearing correspondence direction is arranged, two pieces to
The bearing outer ring of heart thrust bearing is positioned on the positioning step of the inner surface of wheel hub, the bearing inner race of two pieces radial thrust bearing
It is respectively positioned on the positioning step of output flange extension outer wall on the positioning step with planetary wheel carrier.
Used as further improvement of the utility model scheme, described output flange extension is provided with the interior of internal spline structure
Surface is the pore structure of inside and outside insertion, and the outer face of output flange extension is provided with installation screwed hole；Described clamping screw
Outboard end be provided with the centring ring that radially direction stretches out, centring ring be provided with along the circumferential direction uniform location hole or
Positioning spigot, the centring ring of clamping screw are arranged on the installation screwed hole of the outer face of output flange extension by Positioning screw
On.
Compared with prior art, this vehicle bridge wheel side planetary gear speed reducing mechanism is due to the outside dimension using ring gear and wheel hub
The internal diameter size interference fit location and installation of ring gear installing hole is in the ring gear installing hole of wheel hub, it is not necessary to extra to arrange
Gear ring supporting carries out fixation, the complexity of reducing mechanism of gear ring, is not only convenient for processing and manufacturing, the Er Qiean of ring gear and wheel hub
Integral press mounting can be carried out by frock using forcing press directly during dress ring gear, not only can guarantee that installation bonding strength but also can prevent
Only ring gear loosens；Due to being penetrated inside the extension of output flange and by lock using the outside power output shaft of planetary wheel carrier
Tight bolt is connected with output flange, is capable of achieving the axle between output flange and wheel hub by controlling the screw-down torque of clamping screw
The installation pretension for holding, simple structure, convenient regulation；Due between the output flange and wheel hub inwall on the outside of outboard bearing
Position float grease seal is set, therefore the reliability of sealing can be improved, oil leakage is prevented.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1st, output flange, 2, wheel hub, 3, float grease seal, 4, planetary wheel carrier, 5, clamping screw, 6, planetary gear, 7, interior
Gear ring, 8, sun gear.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described further（Below with output flange 1 in this vehicle bridge wheel side planet
Direction on reducing gear is described for outside）.
As shown in figure 1, this vehicle bridge wheel side planetary gear speed reducing mechanism includes output flange 1, wheel hub 2, float grease seal 3, planetary gear
Frame 4, clamping screw 5, planetary gear 6, ring gear 7 and sun gear 8.
It is provided with the middle part of described output flange 1 to inner side and protrudes the extension of the hollow structure for extending, the outer wall of extension
Whole output flange 1 is erected at by bearing for the inside of wheel hub 2, the inner surface setting of extension has internal spline structure, is located at
The position between 2 inwall of output flange 1 and wheel hub on the outside of outboard bearing is additionally provided with float grease seal 3.
Described planetary wheel carrier 4 includes outside power output shaft and inner planet geear support shaft, inner planet geear
Support axle is set to more than one piece along outside power output shaft centrosymmetry；The outside power output shaft end face center position of planetary wheel carrier 4
Threaded mounting hole is provided with axial direction, the outside power output shaft of planetary wheel carrier 4 is provided with the internal spline knot with output flange 1
The external splines that structure coordinates, the outside power output shaft of planetary wheel carrier 4 are penetrated inside the extension of output flange 1 and by locking screw
Bolt 5 and 1 airtight connection of output flange.
The quantity of described planetary gear 6 is identical with the quantity of the inner planet geear support shaft of planetary wheel carrier 4 and passes through axle
Bearing sleeve is connect in the inner planet geear support shaft of planetary wheel carrier 4.
Described ring gear 7 and the profile of tooth of planetary gear 6 with merge engage, and ring gear 7 outside dimension and wheel hub 2 it is interior
The internal diameter size interference fit location and installation of gear ring installing hole is in the ring gear installing hole of wheel hub 2.
Described sun gear 8 is arranged on the center of multiple planetary gears 6, and the tooth of the external tooth of sun gear 8 and planetary gear 6
Shape is provided with spline structure with engagement, the endoporus of sun gear 8 is merged.
This vehicle bridge wheel side planetary gear speed reducing mechanism connects wheel rim, sun gear 8 by output flange 1 when in use and is connected on by wearing
Spline semiaxis on its endoporus is connected with differential mechanism, and during working condition, spline semiaxis communicates rotational motion to sun gear 8, the sun
Wheel 8 rotarily drives planetary gear 6 and rotates in a circumferential direction around sun gear 8 on ring gear 7, and then drives output flange 1 by planetary wheel carrier 4
Vehicle wheel rotation is realized in rotation.
It is connected in the ring gear installing hole of wheel hub 2, as this utility model to ensure that ring gear 7 consolidates interference fit
Further improvement project, the external diameter surface of described ring gear 7 is provided with knurling structure, and knurling structure increases the friction of faying face
Power, it is further ensured that ring gear 7 consolidates interference fit and is connected in the ring gear installing hole of wheel hub 2.
Rotate in the ring gear installing hole of wheel hub 2 to further prevent ring gear 7 from loosening, as of the present utility model
Further improvement project, the ring gear of described wheel hub 2 are installed the upper ring gear in ring gear 7 and wheel hub 2 of hole end surface and are installed
Link position between hole is provided with rotation stopping screw.
In order to ensure firm support effect and prevent 1 axial float of output flange, as of the present utility model further
Whole output flange 1 is erected at by improvement project, the extension outer wall of described output flange 1 by two pieces radial thrust bearing
The inside of wheel hub 2, and the setting of two pieces radial thrust bearing correspondence direction, the bearing outer ring of two pieces radial thrust bearing are positioned at wheel
On the positioning step of the inner surface of hub 2, the bearing inner race of two pieces radial thrust bearing is respectively positioned at outside 1 extension of output flange
On the positioning step of wall and on the positioning step of planetary wheel carrier 4.
It is in order to lower difficulty of processing and ensure to install stable degree, as further improvement of the utility model scheme, described
1 extension of output flange be provided with internal spline structure inner surface be inside and outside insertion pore structure, 1 extension of output flange it is outer
End face is provided with installation screwed hole；The outboard end of described clamping screw 5 is provided with the centring ring that radially direction stretches out,
Centring ring is provided with along the circumferential direction uniform location hole or positioning spigot, and the centring ring of clamping screw 5 is pacified by Positioning screw
On the installation screwed hole of the outer face for being mounted in 1 extension of output flange；The pore structure of inside and outside insertion output flange 1 of being more convenient for is processed
Manufacture.
This vehicle bridge wheel side planetary gear speed reducing mechanism is due to the outside dimension using ring gear 7 and the ring gear installing hole of wheel hub 2
Internal diameter size interference fit and location and installation in the ring gear installing hole of wheel hub 2, it is not necessary to it is extra arrange gear ring support into
The fixation of row gear ring 7, the complexity of reducing mechanism, are not only convenient for the processing and manufacturing of ring gear 7 and wheel hub 2 and install internal tooth
Integral press mounting can be carried out by frock using forcing press directly when enclosing 7, not only can guarantee that installation bonding strength but also internal tooth can be prevented
Circle 7 loosens；Due to being penetrated inside the extension of output flange 1 and by locking using the outside power output shaft of planetary wheel carrier 4
Bolt 5 is connected with output flange 1, is capable of achieving between output flange 1 and wheel hub 2 by controlling the screw-down torque of clamping screw 5
Bearing installation pretension, simple structure, convenient adjust；Due in the output flange 1 on the outside of outboard bearing with wheel hub 2
Position between wall arranges float grease seal 3, therefore can improve the reliability of sealing, prevent oil leakage.
Claims (5)
1. a kind of vehicle bridge wheel side planetary gear speed reducing mechanism, including output flange（1）, wheel hub（2）, float grease seal（3）, planetary wheel carrier
（4）, clamping screw（5）, planetary gear（6）, ring gear（7）And sun gear（8）；Characterized in that,
Described output flange（1）Middle part is provided with to inner side the extension for protruding the hollow structure for extending, and the outer wall of extension leads to
Bearing is crossed by whole output flange（1）It is erected at wheel hub（2）Inside, the inner surface setting of extension has internal spline structure, position
Output flange on the outside of outboard bearing（1）With wheel hub（2）Position between inwall is additionally provided with float grease seal（3）；
Described planetary wheel carrier（4）Including outside power output shaft and inner planet geear support shaft, inner planet geear is supported
Axle is set to more than one piece along outside power output shaft centrosymmetry；Planetary wheel carrier（4）Outside power output shaft end face center position
Threaded mounting hole, planetary wheel carrier are provided with axial direction（4）Outside power output shaft be provided with and output flange（1）Interior flower
The external splines that bond structure coordinates, planetary wheel carrier（4）Outside power output shaft penetrate output flange（1）Extension inside and lead to
Cross clamping screw（5）With output flange（1）Airtight connection；
Described planetary gear（6）Quantity and planetary wheel carrier（4）Inner planet geear support shaft quantity it is identical and pass through axle
Bearing sleeve is connect installed in planetary wheel carrier（4）Inner planet geear support shaft on；
Described ring gear（7）With planetary gear（6）Profile of tooth with merging engagement, and ring gear（7）Outside dimension and wheel hub（2）
Ring gear installing hole internal diameter size interference fit and location and installation in wheel hub（2）Ring gear installing hole in；
Described sun gear（8）It is arranged on multiple planetary gears（6）Center, and sun gear（8）External tooth and planetary gear（6）
Profile of tooth with merge engagement, sun gear（8）Endoporus be provided with spline structure.
2. vehicle bridge wheel side planetary gear speed reducing mechanism according to claim 1, it is characterised in that described ring gear（7）It is outer
Footpath surface is provided with knurling structure.
3. vehicle bridge wheel side planetary gear speed reducing mechanism according to claim 1 and 2, it is characterised in that described wheel hub（2）It is interior
It is upper in ring gear that gear ring installs hole end surface（7）With wheel hub（2）Ring gear installing hole between link position be provided with rotation stop spiral shell
Nail.
4. vehicle bridge wheel side planetary gear speed reducing mechanism according to claim 1 and 2, it is characterised in that described output flange（1）
Extension outer wall by two pieces radial thrust bearing by whole output flange（1）It is erected at wheel hub（2）Inside, and two pieces to
Heart thrust bearing correspondence direction is arranged, and the bearing outer ring of two pieces radial thrust bearing is positioned at wheel hub（2）Inner surface positioning
On step, the bearing inner race of two pieces radial thrust bearing is respectively positioned at output flange（1）On the positioning step of extension outer wall
And planetary wheel carrier（4）Positioning step on.
5. vehicle bridge wheel side planetary gear speed reducing mechanism according to claim 1 and 2, it is characterised in that described output flange（1）
Extension is provided with the pore structure that the inner surface of internal spline structure is inside and outside insertion, output flange（1）Set on the outer face of extension
There is installation screwed hole；Described clamping screw（5）Outboard end be provided with the centring ring that radially direction stretches out, centring ring
It is provided with along the circumferential direction uniform location hole or positioning spigot, clamping screw（5）Centring ring be arranged on by Positioning screw
Output flange（1）On the installation screwed hole of the outer face of extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621002219.6U CN206111962U (en) | 2016-08-31 | 2016-08-31 | Car axle wheel limit planetary reducer constructs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621002219.6U CN206111962U (en) | 2016-08-31 | 2016-08-31 | Car axle wheel limit planetary reducer constructs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206111962U true CN206111962U (en) | 2017-04-19 |
Family
ID=58514907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621002219.6U Active CN206111962U (en) | 2016-08-31 | 2016-08-31 | Car axle wheel limit planetary reducer constructs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206111962U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825517A (en) * | 2018-06-29 | 2018-11-16 | 宁波巨神制泵实业有限公司 | Immersible pump |
| CN109654199A (en) * | 2019-01-09 | 2019-04-19 | 银川威力传动技术股份有限公司 | A kind of novel rotation retarder |
| CN110107603A (en) * | 2019-05-16 | 2019-08-09 | 万向钱潮传动轴有限公司 | A kind of heavy intermediate bead of integrated bearing inner race |
| CN110107601A (en) * | 2019-05-16 | 2019-08-09 | 万向钱潮传动轴有限公司 | A kind of light-duty intermediate connecting fork of integrated bearing inner race |
| CN110159638A (en) * | 2019-06-19 | 2019-08-23 | 青岛同辉汽车技术有限公司 | A kind of shaft end nut three-level anti-loosening locking mechanism |
| CN111442068A (en) * | 2019-01-16 | 2020-07-24 | 郑州宇通客车股份有限公司 | Vehicle driving wheel, driving system using same and vehicle |
| CN112503156A (en) * | 2020-09-05 | 2021-03-16 | 江苏常发农业装备股份有限公司 | End transmission system for a front drive axle of an amphibious vehicle and front drive axle |
| CN117863866A (en) * | 2024-03-11 | 2024-04-12 | 浙江创大汽车部件有限公司 | Electric driving device for claw-shaped automobile hub |
-
2016
- 2016-08-31 CN CN201621002219.6U patent/CN206111962U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825517A (en) * | 2018-06-29 | 2018-11-16 | 宁波巨神制泵实业有限公司 | Immersible pump |
| CN108825517B (en) * | 2018-06-29 | 2023-11-21 | 宁波巨神制泵实业有限公司 | submersible pump |
| CN109654199A (en) * | 2019-01-09 | 2019-04-19 | 银川威力传动技术股份有限公司 | A kind of novel rotation retarder |
| CN111442068A (en) * | 2019-01-16 | 2020-07-24 | 郑州宇通客车股份有限公司 | Vehicle driving wheel, driving system using same and vehicle |
| CN110107603A (en) * | 2019-05-16 | 2019-08-09 | 万向钱潮传动轴有限公司 | A kind of heavy intermediate bead of integrated bearing inner race |
| CN110107601A (en) * | 2019-05-16 | 2019-08-09 | 万向钱潮传动轴有限公司 | A kind of light-duty intermediate connecting fork of integrated bearing inner race |
| CN110159638A (en) * | 2019-06-19 | 2019-08-23 | 青岛同辉汽车技术有限公司 | A kind of shaft end nut three-level anti-loosening locking mechanism |
| CN112503156A (en) * | 2020-09-05 | 2021-03-16 | 江苏常发农业装备股份有限公司 | End transmission system for a front drive axle of an amphibious vehicle and front drive axle |
| CN117863866A (en) * | 2024-03-11 | 2024-04-12 | 浙江创大汽车部件有限公司 | Electric driving device for claw-shaped automobile hub |
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