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Evaluation method and apparatus for reinforcing bracket of automobile

An evaluation method and automobile technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of long design cycle and high cost of reinforced brackets, shorten the development cycle, reduce manpower, and meet the requirements of automobile driving Effect

Active Publication Date: 2015-11-04
BAIC MOTOR CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides an evaluation method and device for automobile reinforcement brackets, which are used to solve the technical problems of long design period and high cost of reinforcement brackets in the prior art

Method used

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  • Evaluation method and apparatus for reinforcing bracket of automobile
  • Evaluation method and apparatus for reinforcing bracket of automobile

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Comparison scheme
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Embodiment 1

[0048] Embodiment 1 of the present invention provides an evaluation method for an automobile reinforcement bracket. figure 1 It is a flow chart of the evaluation method for the automobile reinforcement bracket provided by Embodiment 1 of the present invention. Such as figure 1 As shown, the method in this embodiment may include:

[0049] Step 101, determine the initial stress of the reinforcing bracket after the stamping process.

[0050]The reinforcing bracket in this embodiment can be used to support the bearing parts of the key parts of the automobile. Wherein, the carrying part may be a battery, a wiper or an ECU (Electronic Control Unit, Electronic Control Unit), etc. Correspondingly, the reinforcing bracket may be a battery bracket, a wiper bracket, an ECU bracket, or the like. In order to ensure that the shape of the reinforcement bracket can better match the bearing parts or the vehicle body, the reinforcement bracket needs to be stamped and manufactured. Therefore,...

Embodiment 2

[0083] Embodiment 2 of the present invention provides an evaluation device for an automobile reinforcement bracket. figure 2 It is a schematic structural diagram of an evaluation device for an automobile reinforcement bracket provided in Embodiment 2 of the present invention. Such as figure 2 As shown, the automobile reinforcement bracket evaluation device in the present embodiment can include:

[0084] An initial stress determination module 201, configured to determine the initial stress of the reinforced bracket after the stamping process;

[0085] The support force determination module 202 is used to determine the force result of the reinforcement support under the load condition according to the load condition under the limit condition and the structure of the reinforcement support;

[0086] The component force determination module 203 is configured to determine the gravity of the load-bearing component and the force of the load-bearing component under the load condition...

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Abstract

The present invention provides an evaluation method and apparatus for a reinforcing bracket of an automobile. The method comprises: determining an initial stress of the reinforcing bracket after a stamping process; according to a load condition under a limited condition and a structure of the reinforcing bracket, determining a force-receiving result of the reinforcing bracket under the load condition; according to the load condition and the structure of a bearing part born by the reinforcing bracket, determining the gravity of the bearing part and a force-receiving result of the bearing part under the load condition; according to the initial stress of the reinforcing bracket, the force-receiving result of the reinforcing bracket under the load condition, the gravity of the bearing part and the force-receiving result of the bearing part under the load condition, performing finite element analysis on the reinforcing bracket, and obtaining the maximum strength of the reinforcing bracket under the load condition; and judging whether the maximum strength is greater than the yield strength of the reinforcing bracket or not, and if not, judging that the structure of the reinforcing bracket meets the requirements of the automobile. By using the evaluation method and apparatus for the reinforcing bracket of the automobile, the design cost of the reinforcing bracket is effectively reduced and the development cycle is shortened.

Description

technical field [0001] The invention relates to automobile design technology, in particular to an evaluation method and device for an automobile reinforcement bracket. Background technique [0002] The reinforcing bracket of the key part of the car is one of the important parts of the car body, and its strength directly affects the safety, durability and comfort of the whole car. [0003] The structure of the traditional reinforcement bracket is only designed based on the experience of engineers. It is impossible to evaluate whether the strength of the reinforcement bracket meets the driving requirements of the car at the early stage of design. After the structural design of the reinforcement bracket is completed, the reinforcement can only be verified through the vehicle road test. Check the strength of the bracket. During the test, if the reinforcement bracket breaks and fails, the reinforcement bracket can only be improved structurally, and more rounds of test verificati...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 刘明卓郭九大张立玲
Owner BAIC MOTOR CORP LTD
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