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An assembly for a differential unit of a vehicle

A technology for differentials and components, applied in vehicle components, differential transmissions, axles, etc., can solve the problems of large space for the differential mechanism and large size of the differential unit, and achieve lower manufacturing costs and overall The effect of increased stiffness and reduced cost

Active Publication Date: 2019-07-16
VOLVO LASTVAGNAR AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another disadvantage of this embodiment is that the continuous movement of the differential mechanism requires a lot of space to perform, resulting in a large size of the differential unit

Method used

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  • An assembly for a differential unit of a vehicle
  • An assembly for a differential unit of a vehicle
  • An assembly for a differential unit of a vehicle

Examples

Experimental program
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Embodiment Construction

[0063] Such as figure 1 As shown in , a vehicle 1 comprises an engine 2 driving an input shaft 3 having an axis 13 and a front axle 4 connected to front wheels 5 .

[0064] The vehicle 1 also includes at least one rear axle 6 . The or each rear axle 6 comprises an axle housing 7 containing a differential unit 10 comprising a differential 15 and two drive shafts 11 . Each drive shaft 11 has a first end connected to the differential 15 and a second end connected to at least one wheel 8 . In the illustrated embodiment, the vehicle 1 comprises a first driven rear axle 6a and a second driven rear axle 6b, the second driven rear axle 6b being positioned rearwardly from the first driven rear axle 6a, each rear axle 6a, 6b Both comprise two wheels 8 on both sides. The additional shaft 9 connects the input shaft 3 to the differential unit 10 of the second driven rear axle 6b through the differential unit 10 of the first driven rear axle 6a, and the additional shaft 9 is for the seco...

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PUM

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Abstract

The invention relates to an assembly for a differential unit of a vehicle, the assembly comprising: a first housing portion (20a) designed to be assembled with a second housing portion for forming a differential carrier housing; a first and a second supporting devices (30, 301, 302), each comprising a main portion (33) having substantially the shape of a ring and a base portion (31) attached to the first housing portion (20a) so that the main portions (33) of the first and second supporting devices (30) are substantially coaxial along a longitudinal direction (X), the first and second supporting devices being configured to support, in use, a system comprising a crown wheel (22) and a differential housing (24) containing a differential, the system having two end portions each including a bearing which has an inner ring (51) mounted on the differential housing (24), an outer ring configured to be mounted in the main portion (33) of one of the supporting devices (30), and rolling elements. The first housing portion (20a), the first supporting device (301) and the second supporting device (302) are made as a single piece. Moreover, the main portion (33) of at least one supporting device (30) comprises a notch (40) for inserting at least part of a corresponding end portion of the system (100), the notch (40) opening : in a radial direction (Y), which is orthogonal to the longitudinal direction (X); and in the longitudinal direction (X), towards the opposite supporting device (30).

Description

technical field [0001] The invention relates to an assembly of a differential unit for a vehicle. The invention also relates to a differential unit comprising such an assembly, an axle comprising such a differential unit, a vehicle comprising such an axle, and a method for mounting a differential unit. [0002] The invention can be applied to heavy vehicles such as trucks, buses and construction equipment. Background technique [0003] Vehicles such as trucks are usually equipped with one or more differential units on their drive axles. [0004] A differential unit generally comprises a differential carrier housing manufactured from a first housing part assembled with a second housing part and containing the differential mechanism (ie, the crown wheel driven by the input shaft); the differential, which is arranged inside the crown wheel and includes pinions and gears; and the differential housing, which The part of the drive shaft that contains the differential and connec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H57/021B60K17/16B60B35/16F16H48/38
CPCB60B35/16B60K17/165F16H2048/382F16H57/021F16H48/38
Inventor 托马斯·巴里约塞尔日·瓦南蒂扬·德波尔特克里斯·克莱扎尔丹迈克尔·若利耶
Owner VOLVO LASTVAGNAR AB
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