CN209638360U - A kind of speed reducer assembly of drive axle - Google Patents
A kind of speed reducer assembly of drive axle Download PDFInfo
- Publication number
- CN209638360U CN209638360U CN201821768455.8U CN201821768455U CN209638360U CN 209638360 U CN209638360 U CN 209638360U CN 201821768455 U CN201821768455 U CN 201821768455U CN 209638360 U CN209638360 U CN 209638360U
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- differential
- axle
- right casing
- diameter
- left housing
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Abstract
The utility model relates to a kind of speed reducer assembly knots of drive axle, differential mechanism left housing and differential right casing connecting pin are diameter of axle structure, the diameter of axle is external splines, the connecting pin of differential right casing and differential mechanism left housing is diameter of axle structure, the inner hole of the diameter of axle is the external splines matched with the internal spline of differential mechanism left housing, the bearing block of the tapered roller bearing is integrated with reducing gearbox, and differential right casing covers on the shaft shoulder for being resisted against differential mechanism left housing after differential mechanism left housing is on the external splines diameter of axle for axial limiting；The threaded hole of adjustment ring screw-in reducing gearbox；With locking plate locking adjustment ring, with the fixed locking plate of bolt.The service life of the parts such as the reliability of speed reducer assembly, the stationarity of transmission, the service life of master/slave dynamic bevel gear and differential bearing is improved, ensure that assembling capacity, and mitigate overall weight.
Description
Technical field
The utility model belongs to automobile drive axle field, and in particular to a kind of speed reducer assembly of drive axle.
Background technique
In current drive axle, reducing gearbox and differential case bearing bracket be with bolted separate structure, adjustment ring
Threaded hole is divided into two parts, and differential bearing mounting hole is divided into two parts, so speed reducer assembly can when vehicle bridge runs stress
Service life by parts such as property, the stationarity of transmission, the service life of master/slave dynamic bevel gear and differential bearings declines problem.Differential
Device left housing is bolted and fixed with right shell, causes differential case weight big, assembling capacity is poor.
Summary of the invention
In order to solve the above technical problems, the utility model provides a kind of speed reducer assembly of drive axle, retarder is improved
It in the service life of the parts such as reliability, the stationarity of transmission, the service life of master/slave dynamic bevel gear and the differential bearing of assembly, eliminates
Spiro connection structure between differential carrier reduces the weight of differential mechanism left housing, ensure that assembling capacity.
The utility model adopts the following technical scheme that realization:
A kind of speed reducer assembly of drive axle, tapered roller bearing 11 are nested on the diameter of axle of differential right casing 9, end face patch
It closes；Second axle shaft gear gasket 14 is packed into differential right casing 9, end face fitting；The circular hole of differential right casing 9 is nested in axle shaft gear
On 4 diameter of axle, end face is bonded with the second axle shaft gear gasket 14；The convex spherical and differential right casing of four planet gear pads 7
9 concave spherical surface fitting, the convex flat face of four planetary gears 8 is attached on the concave spherical surface of planet gear pad 7；Long planet gear axis 6
It is fitted into the right-angled intersection hole of differential right casing 9；Short planet gear axis 15 is fitted into the right-angled intersection hole of differential right casing 9, end
The groove of face insertion long planet gear axis 6；Elastic cylindrical pin 18 is inserted into the circular hole of differential right casing 9, the short planet tooth of axially position
Wheel shaft 15；The flank engagement of axle shaft gear 4 and planetary gear 8, the first axle shaft gear gasket 3 are nested with the diameter of axle in axle shaft gear 4
On；Differential right casing 9 is packed into the circular hole of driven wheel of differential 5, the screw thread of distribution hole and driven wheel of differential 5 on differential right casing 9
Hole alignment, is connected urgent with bolt 10；The threaded hole of the screw-in reducing gearbox 16 of adjustment ring 17；Differential right casing 9 is rolled by circular cone
Sub- bearing 11 is packed into the differential axle bearing bore of reducing gearbox 16, and the flank of tooth of driven wheel of differential 5 and the flank of tooth of drive bevel gear 22 are nibbled
It closes；Tapered roller bearing 11 is nested on the diameter of axle of differential mechanism left housing 2, end face fitting, 11 outer ring of tapered roller bearing and deceleration
The bearing block of the bearing hole one of device shell 16 cooperates；The connecting pin of differential right casing 9 and differential mechanism left housing 2 is diameter of axle structure, axis
The inner hole of diameter is the external splines matched with the internal spline of differential mechanism left housing 2, the bearing block of the tapered roller bearing 11 with
Reducing gearbox 16 is integrated, and 9 sets of having on the external splines diameter of axle in differential mechanism left housing 2 of differential right casing, differential mechanism is right
Shell 9 is resisted against on the shaft shoulder of differential mechanism left housing 2 for axial limiting；With 20 locking adjustment ring 17 of locking plate, with 10 fixing lock of bolt
Piece 20.
As the utility model more preferably technical solution: the installation threaded hole and 16 shell of reducing gearbox of the adjustment ring 17
Body is structure as a whole.
As the utility model more preferably technical solution: external splines one end of the differential mechanism left housing 2 uses circular end face,
Groove structure is offered on end face；The diameter of axle of differential mechanism left housing 2 offers the installation with shoulder for installing axle shaft gear 4
Hole.
As the utility model more preferably technical solution: offering on the differential right casing 9 for installing axle shaft gear
The mounting hole of the diameter of axle.
As the utility model more preferably technical solution: the flange of the differential right casing 9 and driven wheel of differential junction
For uniformly distributed 4 borehole structures；The joint face of 9 inside of differential right casing and planetary gear 8 is identical as the spherical surface of planetary gear 8；From
Dynamic bevel gear 5 is mounted in the flange diameter of axle of differential right casing 9.
The beneficial effects of the utility model are:
By changing the structure of differential mechanism left housing and the right shell of differential, with a side end face of differential mechanism left housing and taper roller axis
Carry out axially position is held, makes it suitable for spline connection, abandons the bolt fastening structure of the prior art, realizes that differential mechanism left housing can be worn
The bearing mounting hole for crossing reducing gearbox ensure that assembling capacity, and mitigate overall weight.
By reducing gearbox and differential case bearing bracket integration, improve the reliability of speed reducer assembly, transmission it is steady
The service life of the parts such as property, the service life of master/slave dynamic bevel gear and differential bearing.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the reducing gearbox main view of the utility model；
Fig. 3 is the utility model reducing gearbox side view；
Fig. 4 is the differential mechanism left housing cross-sectional view of the utility model；
Fig. 5 is the differential right casing cross-sectional view of the utility model；
In figure: 2. differential mechanism left housings, 3. first axle shaft gear gaskets, 4. axle shaft gears, 5. driven wheel of differential, 6. long planets
Gear shaft, 7. planet gear pads, 8. planetary gears, 9. differential right casings, 10. bolts, 11. tapered roller bearings, 14. second
Axle shaft gear gasket, 15. short planet gear axis, 16. reducing gearboxes, 17. adjustment rings, 18. elastic cylindrical pins, 20. locking plates, 22.
Drive bevel gear.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings:
As shown in Figure 1, the utility model provides a kind of speed reducer assembly of drive axle, tapered roller bearing 11 is pressed into differential
The diameter of axle of the right shell 9 of device, end face fitting；Second axle shaft gear gasket 14 is packed into differential right casing 9, end face fitting；Axle shaft gear 4
The diameter of axle be packed into differential right casing 9 circular hole, end face is bonded with the second axle shaft gear gasket 14；Four planet gear pads 7
Convex spherical is bonded with the concave spherical surface of differential right casing 9, and the convex flat face of four planetary gears 8 is attached to the recessed ball of planet gear pad 7
On face；Long planet gear axis 6 is fitted into the right-angled intersection hole of differential right casing 9；Short planet gear axis 15 is packed into differential right casing 9
Right-angled intersection hole in, end face be inserted into long planet gear axis 6 groove；The circle of the insertion differential right casing 9 of elastic cylindrical pin 18
Hole, axially position short planet gear axis 15；The flank engagement of axle shaft gear 4 and planetary gear 8, the first axle shaft gear gasket 3 dress
Enter the diameter of axle of axle shaft gear 4；Differential right casing 9 is packed into the circular hole of driven wheel of differential 5, the distribution hole on differential right casing 9 with from
The threaded hole of dynamic bevel gear 5 is aligned, and is connected with bolt 10 urgent；The threaded hole of the screw-in reducing gearbox 16 of adjustment ring 17；Differential mechanism
Right shell 9 is packed into the differential axle bearing bore of reducing gearbox 16, the flank of tooth of driven wheel of differential 5 and active by tapered roller bearing 11
The flank engagement of bevel gear 22；Tapered roller bearing 11 is packed into the diameter of axle of differential mechanism left housing 2, end face fitting, tapered roller bearing
The bearing block of the bearing hole one of 11 outer rings and reducing gearbox 16 cooperates；Differential mechanism left housing 2 and 9 connecting pin of differential right casing are axis
Gauge structure, the diameter of axle are external splines, and the connecting pin of differential right casing 9 and differential mechanism left housing 2 is diameter of axle structure, the inner hole of the diameter of axle be with
The external splines that the internal spline of differential mechanism left housing 2 matches, bearing block and the reducing gearbox 16 of the tapered roller bearing 11 are
Integral structure, 9 sets of differential right casing are resisted against differential mechanism left housing 2 after differential mechanism left housing 2 is on the external splines diameter of axle
Axial limiting is used on the shaft shoulder；The threaded hole of the screw-in reducing gearbox 16 of adjustment ring 17；With 20 locking adjustment ring 17 of locking plate, with bolt
10 fixed locking plates 20.
As shown in Figures 2 and 3, the installation threaded hole of adjustment ring 17 described in the utility model and 16 shell of reducing gearbox are one
Body structure.
As shown in figure 4, external splines one end of the differential mechanism left housing 2 uses circular end face, fluted knot is opened up on end face
Structure；The diameter of axle of differential mechanism left housing 2 offers the mounting hole that axle shaft gear 4 has shoulder.
As shown in figure 5, the differential right casing 9 has the mounting hole of the axle shaft gear diameter of axle.The flange of the differential right casing 9
It is uniformly distributed 4 borehole structures with driven wheel of differential junction；The joint face and planet of differential right casing 9 inside and planetary gear 8
The spherical surface of gear 8 is identical；Driven wheel of differential 5 is mounted in the flange diameter of axle of differential right casing 9.
Above-mentioned detailed description is to illustrate that the embodiment is not for a kind of preferred possible embodiments of the utility model
To limit the application scope of the claims of the utility model, under all other revealed skill spirits without departing from the utility model
The equivalent changes and modifications change completed, is intended to be limited solely by the scope of the claims that the utility model is covered.
Claims (5)
1. a kind of speed reducer assembly of drive axle, it is characterised in that: tapered roller bearing (11) is nested in differential right casing (9)
On the diameter of axle, end face fitting；Second axle shaft gear gasket (14) is packed into differential right casing (9), end face fitting；Differential right casing (9)
Circular hole be nested on the diameter of axle of axle shaft gear (4), end face is bonded with the second axle shaft gear gasket (14)；Four planetary gear pads
The convex spherical of piece (7) is bonded with the concave spherical surface of differential right casing (9), and the convex flat face of four planetary gears (8) is attached to planetary gear
On the concave spherical surface of gasket (7)；Long planet gear axis (6) is fitted into the right-angled intersection hole of differential right casing (9)；Short planet gear axis
(15) it is fitted into the right-angled intersection hole of differential right casing (9), the groove of long planet gear axis (6) is inserted into end face；Elastic cylindrical pin
(18) circular hole of differential right casing (9), axially position short planet gear axis (15) are inserted into；Axle shaft gear (4) and planetary gear (8)
Flank engagement, the first axle shaft gear gasket (3) is nested on the diameter of axle of axle shaft gear (4)；Differential right casing (9) is packed into driven
The circular hole of bevel gear (5), the distribution hole on differential right casing (9) is aligned with the threaded hole of driven wheel of differential (5), with bolt (10)
It connects urgent；Adjustment ring (17) screws in the threaded hole of reducing gearbox (16)；Differential right casing (9) passes through tapered roller bearing (11)
It is packed into the differential axle bearing bore of reducing gearbox (16), the flank of tooth of driven wheel of differential (5) and the flank engagement of drive bevel gear (22)；
Tapered roller bearing (11) is nested on the diameter of axle of differential mechanism left housing (2), end face fitting, tapered roller bearing (11) outer ring with subtract
The bearing block of the bearing hole one of fast device shell (16) cooperates；The connecting pin of differential right casing (9) and differential mechanism left housing (2) is the diameter of axle
Structure, the inner hole of the diameter of axle are the external splines matched with the internal spline of differential mechanism left housing (2), the tapered roller bearing (11)
Bearing block be integrated with reducing gearbox (16), differential right casing (9) is covered in differential mechanism left housing (2) with external splines
On the diameter of axle, differential right casing (9) is resisted against on the shaft shoulder of differential mechanism left housing (2) for axial limiting；With locking plate (20) locking tune
The domain (17), it is fixed locking plate (20) with bolt (10).
2. a kind of speed reducer assembly of drive axle as described in claim 1, it is characterised in that: the peace of the adjustment ring (17)
Dress threaded hole is structure as a whole with reducing gearbox (16) shell.
3. a kind of speed reducer assembly of drive axle as described in claim 1, it is characterised in that: the differential mechanism left housing (2)
External splines one end uses circular end face, offers groove structure on end face；The diameter of axle of differential mechanism left housing (2) is offered for installing
The mounting hole with shoulder of axle shaft gear (4).
4. a kind of speed reducer assembly of drive axle as described in claim 1, it is characterised in that: on the differential right casing (9)
Offer the mounting hole for installing the axle shaft gear diameter of axle.
5. a kind of speed reducer assembly of drive axle as described in claim 1, it is characterised in that: the differential right casing (9)
Flange and driven wheel of differential junction are uniformly distributed 4 borehole structures；The internal connection with planetary gear (8) of differential right casing (9)
Face is identical as the spherical surface of planetary gear (8)；Driven wheel of differential (5) is mounted in the flange diameter of axle of differential right casing (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821768455.8U CN209638360U (en) | 2018-10-30 | 2018-10-30 | A kind of speed reducer assembly of drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821768455.8U CN209638360U (en) | 2018-10-30 | 2018-10-30 | A kind of speed reducer assembly of drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209638360U true CN209638360U (en) | 2019-11-15 |
Family
ID=68471496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821768455.8U Active CN209638360U (en) | 2018-10-30 | 2018-10-30 | A kind of speed reducer assembly of drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209638360U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985606A (en) * | 2019-12-27 | 2020-04-10 | 徐州徐工传动科技有限公司 | Main reducer assembly and wheel loader |
| CN112963519A (en) * | 2021-04-02 | 2021-06-15 | 重庆隆鑫机车有限公司 | Drive axle, drive shaft machining method and drive axle assembling method |
| CN114838104A (en) * | 2022-04-15 | 2022-08-02 | 一汽解放汽车有限公司 | Speed reducer assembly and automobile axle |
-
2018
- 2018-10-30 CN CN201821768455.8U patent/CN209638360U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985606A (en) * | 2019-12-27 | 2020-04-10 | 徐州徐工传动科技有限公司 | Main reducer assembly and wheel loader |
| CN112963519A (en) * | 2021-04-02 | 2021-06-15 | 重庆隆鑫机车有限公司 | Drive axle, drive shaft machining method and drive axle assembling method |
| CN114838104A (en) * | 2022-04-15 | 2022-08-02 | 一汽解放汽车有限公司 | Speed reducer assembly and automobile axle |
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