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An axle system for a vehicle and mounting process

A technology for axles and vehicles, applied in the directions of axles and bearings, vehicle components, transportation and packaging, etc., to achieve the effect of improving compactness, reducing overall size, and improving compactness

Pending Publication Date: 2021-04-16
VOLVO LASTVAGNAR AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The independent wheel suspension configuration also introduces other constraints, such as the need to provide stronger support for the drive axles in the area of ​​the differential unit and in the area of ​​the wheels, or the need to ensure that each drive axle is in both directions in the transverse direction of the vehicle Translational and no play in the differential unit to avoid extremely limited wear

Method used

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  • An axle system for a vehicle and mounting process
  • An axle system for a vehicle and mounting process
  • An axle system for a vehicle and mounting process

Examples

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Embodiment Construction

[0101] The invention can be applied to heavy vehicles such as trucks, buses and construction equipment, as well as medium-sized vehicles.

[0102] Such as figure 1 As shown in , the vehicle 1 includes at least one driven wheel system 6 . In the illustrated embodiment, the vehicle 1 comprises a first rear driven wheel system 6a and a second rear driven wheel system 6b located behind the first rear driven wheel system 6a. The vehicle 1 also includes a front axle 4 connected to front wheels 5 .

[0103] Although the invention has been described with respect to a rear driven wheel system, the invention may be used with another driven wheel system, especially a front driven wheel system.

[0104] The or each driven wheel system 6 has an axis 12 and includes a differential unit 10, ie a unit providing a differential effect in order to allow the outer driven wheel to rotate faster than the inner driven wheel during cornering.

[0105] The driven wheel system 6 also comprises two d...

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PUM

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Abstract

An axle system (150) for a vehicle comprises: a differential unit (10) including a first housing (24)and a second housing (20) which rotationally receives at least part of said first housing; at least one drive shaft (11) having one end configured to be connected to a wheel of the vehicle and one end connected to the differential unit (10) and rotationally received in the first housing (24), the drive shaft (11) including at least one joint (110) connecting two portions (114a, 114d) of the drive shaft (11) to transmit rotary motion between said portions; a first bearing (30) secured around the drive shaft (11), placed between the drive shaft and the first housing (24), having an outer diameter (D30) smaller than the radial dimension (D) of the joint (110); a second bearing (40) placed between the first housing (24) and the second housing (20); at least one tightening member (50) to axially lock the first bearing outer ring (32) relative to the first housing (24). The tightening member comprises at least one manoeuvring portion (51) which is arranged in an offset relation relative to the joint (110), when looking axially towards the differential unit (10), so that the tightening member manoeuvring portion (51) is visible and accessible, at least during a tightening phase of an axle system mounting process.

Description

technical field [0001] The invention relates to an axle system for a vehicle. The invention also relates to a drive axle subassembly for such an axle system, to a driven wheel system comprising such an axle system, and to a vehicle comprising at least one such driven wheel system. The invention also relates to a method for mounting such an axle system. Background technique [0002] Vehicles such as trucks are often equipped with one or more differential units on their driven axles to allow the left and right wheels of said axle to have different speeds when cornering / maneuvering. [0003] Since the transverse width of vehicles, especially trucks, is limited to the maximum given by regulatory requirements, other vehicle components need to be quite compact, which applies especially to the powertrain system, especially the differential unit. [0004] Such space constraints are even more pronounced in certain vehicle configurations: [0005] - for electric vehicles, as they r...

Claims

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Application Information

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IPC IPC(8): F16H48/40F16H48/08F16D3/40F16C35/067
CPCF16C33/7886F16C35/063F16C35/067F16D3/387F16D3/40F16H48/08F16H2048/082F16H2048/382F16H2048/405B60K17/165B60K17/36F16H2048/364F16H48/36F16D3/41F16H48/40F16H2057/02021F16H2057/0221F16H2057/0225
Inventor 托马斯·巴里约塞尔日·瓦南蒂
Owner VOLVO LASTVAGNAR AB
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