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A subframe assembly durability test method and device

A technology of durability test and durability test, which is applied in the directions of measuring device, vehicle test, vehicle suspension/shock absorbing mechanism test, etc. Into the real life and failure conditions and other issues

Active Publication Date: 2018-03-27
BEIQI FOTON MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The current sub-frame assembly durability test is mainly based on the standard-based durability test with constant frequency and equal amplitude. The relationship between this loading method and the road load of the sub-frame assembly is not clear, and the results cannot reflect the The actual service life and failure conditions

Method used

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Embodiment Construction

[0046] In the drawings, the same or similar reference numerals are used to denote the same or similar elements or elements having the same or similar functions. Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0047] In the description of the present invention, the terms "central", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", " The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or element Must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of the invention.

[0048] In the sub-frame assembly te...

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Abstract

The invention discloses a method and device for an endurance test of an auxiliary frame assembly. The method for the endurance test of the auxiliary frame assembly comprises the steps that a corresponding driving signal corresponding to an actual vehicle situation related to the endurance test is acquired; and the endurance test is carried out to the auxiliary frame assembly on a testing table frame based on the corresponding driving signal. The device for the endurance test of the auxiliary frame assembly comprises a driving signal storage unit used to store the corresponding driving signal corresponding to the actual vehicle situation, and the testing table frame used to install the auxiliary frame assembly and used to apply the corresponding diving signal or a corresponding driving signal combination to the auxiliary frame assembly on the testing table frame. According to the method and device for the endurance test of the auxiliary frame assembly disclosed by the invention, the driving signal corresponding to the actual vehicle situation is used to test endurance of the auxiliary frame assembly on the testing table frame. In this way, actual fatigue endurance life and a fault mode of the auxiliary frame assembly can be obtained.

Description

technical field [0001] The invention relates to the field of detection of automobile system parts and components, in particular to a durability test method and device for a sub-frame assembly. Background technique [0002] The sub-frame assembly is one of the most critical and important supporting component assemblies of the suspension system, supporting the front axle and suspension of the vehicle, and also an important supporting component of the steering gear, etc. It also has the function of blocking and reducing random vibration loads from the road surface, etc. effect. The durability and other performances of the sub-frame assembly directly affect the safety of the vehicle and many other performances such as steering stability. Therefore, the durability test of the subframe assembly is one of the key test items of the auto parts assembly. [0003] The current sub-frame assembly durability test is mainly based on the standard-based durability test with constant freque...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M17/007G01M17/04
CPCG01M17/007G01M17/04
Inventor 于林涛毛稼祥张立博杨瑞代宝顺陈世栋
Owner BEIQI FOTON MOTOR CO LTD
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