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Method for mounting a front axle/cradle assembly to a body part of a motor vehicle

A technology for the installation of main parts and components, which is applied in the direction of motor vehicles, vehicle parts, upper structure sub-assemblies, etc., and can solve complex and expensive problems

Active Publication Date: 2013-04-24
PEZHO SITROEN AUTOMOBILS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Various solutions have been proposed to solve the problem of adjusting the geometry of the vehicle's axles, but they have proven to be complex and relatively expensive

Method used

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  • Method for mounting a front axle/cradle assembly to a body part of a motor vehicle
  • Method for mounting a front axle/cradle assembly to a body part of a motor vehicle
  • Method for mounting a front axle/cradle assembly to a body part of a motor vehicle

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Embodiment Construction

[0035] Figures 1 to 8 A part of a car subframe is shown, comprising a support structure 1 comprising two struts 2, 3 placed symmetrically with respect to the longitudinal center plane of the vehicle on the right and left side of the vehicle.

[0036] Each of the struts 2, 3 comprises a left central beam 2a and a right central beam 3a and a left front beam 2b and a right front beam 3b on the corresponding side of the vehicle, the front beams are towards the front of the vehicle and at a higher level than the central beams 2a, 3a , and is connected to the central beams 2a, 3a on the left and right by inclined beams 2c, 3c.

[0037] Respective rear ends of the left front beam 2 b and the right front beam 3 b are connected by a cross beam 4 .

[0038] The struts 2, 3 of the support structure each extend from a partition 5 to which they are permanently fixed, in particular by welding.

[0039] The assembly consisting of the struts 2, 3 of the support structure 1, the beam 4 and ...

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PUM

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Abstract

The present invention relates to a method for mounting a front axle / cradle assembly to a body part of a motor vehicle. The method of the invention is characterized in that it comprises in particular a step of positioning the front unit (2, 3, 5) relative to a reference tool which has indexing points reproducing the locations for anchoring damper heads (13a, 14a) of the front axle (8) according to a predetermined geometry of this axle, a step of positioning damper-head anchoring bowls (22, 23) relative to the front unit and to the indexing points of the reference tool, a step of fastening the bowls to the front unit at the position corresponding to the locations for anchoring the damper heads (13), and, after the reference tool and the front unit have been removed from one another, a step of assembling the front axle (8) / cradle (7); assembly to the front unit such that the damper heads can be anchored in their respective bowls (22, 23). The invention can be applied in the automotive field.

Description

technical field [0001] The present invention relates to a method of mounting a front axle / bracket assembly to the body part of a motor vehicle, such as an automobile. Background technique [0002] The invention relates more particularly to the geometry of an axle, in particular an axle of a vehicle, defined by characteristic angles including in particular caster and camber. [0003] The caster angle is the angle formed between each steering pivot axis and the vertical direction when viewing the vehicle from the side, and the camber angle is the angle formed between the steering axis and the horizontal direction. [0004] These characteristic angles depend on the geometry of the axle elements, such as the control arms and shock absorbers, and the geometry of the mounting elements used to mount these elements relative to the vehicle body part. [0005] If the dimensional variation in the body part is too large, then the mounting elements are not positioned correctly and the g...

Claims

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Application Information

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IPC IPC(8): B62D25/08B60G15/06B62D65/12B60G99/00
CPCB62D65/12B62D25/088
Inventor S·普拉
Owner PEZHO SITROEN AUTOMOBILS SA
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