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Automobile chassis rear-overhang part assembly simulated detection tool and detection analysis method

A technology of automobile chassis and detection tooling, which is applied in the direction of measuring devices, optical devices, mechanical devices, etc., to achieve the effect of improving driving performance and improving accuracy

Pending Publication Date: 2018-06-08
SAIC-GM-WULING AUTOMOBILE CO LTD
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Problems solved by technology

[0005] The invention provides a simulated detection tooling and a detection and analysis method for the accumulation of parts deviation in the process of the rear suspension device of the automobile chassis, aiming to solve:

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  • Automobile chassis rear-overhang part assembly simulated detection tool and detection analysis method
  • Automobile chassis rear-overhang part assembly simulated detection tool and detection analysis method
  • Automobile chassis rear-overhang part assembly simulated detection tool and detection analysis method

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Embodiment Construction

[0033] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0034] like figure 1 Shown, a kind of automobile chassis rear suspension part assembly simulation detection analysis method of the present invention comprises steps:

[0035] S01. Establish the model of the rear suspension of the automobile chassis and the detection tooling in the drawing software environment;

[0036] S02. In the drawing software environment, extract the theoretical position data of each installation point on the rear suspension of the chassis;

[0037] S03. Place the test bench frame on the base platform, and position and fix the frame on the platform through the frame connecting plate, positioning pins and bolts;

[0038] S04. Create a frame coordinate system with the help of auxiliary measuring equipment, high-precision conne...

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Abstract

The invention relates to an automobile chassis rear-overhang part assembly simulated detection tool and detection analysis method. According to the detection tool, the tool is assembled on a detectionplatform and detection equipment is used to measure the tolerance of the tool after assembly, the tool is used to detect parameters including function, size and manufacturing deviation of automobilechassis rear-overhang parts and function and size of a general assembly, whether a chassis rear-overhang unit is qualified is detected, a deviation accumulated phenomenon in the chassis rear-overhangassembling process is simulated, influence of a manufacturing deviation accumulation effect of parts in the assembling process on the function and size of the assembled general rear-overhang assemblyis analyzed and compared to obtain contribution of the manufacturing deviation of each part to the final assembling error, and thus, guidance is provided for tolerance optimization of the parts, the rear-overhang assembling precision is improved, and the driving performance of the whole automobile is improved.

Description

technical field [0001] The invention relates to the field of assembly of automobile chassis parts, in particular to a simulated detection tool and a detection and analysis method for the accumulation of parts deviation in the process of a rear suspension device of an automobile chassis. Background technique [0002] At present, domestic automobile manufacturers mostly control the dimensional accuracy of the chassis from the manufacturing accuracy of parts. Taking the rear suspension system of the chassis as an example, it is composed of rear suspension shock absorbers, shock absorbing spring bases, torsion beams, longitudinal swing arms and other parts. , when controlling the dimensional accuracy, the automobile manufacturer puts forward design requirements for the manufacturing tolerance of these parts, that is, the manufacturing deviation of the parts needs to be controlled within a certain range before the assembly of the rear suspension can be carried out. Sometimes consi...

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Application Information

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IPC IPC(8): G01B21/00G01B11/00
CPCG01B5/0002G01B5/0025G01B11/00G01B21/00
Inventor 韦友超韦宝侣赵亮韦春州刘丽娜王华
Owner SAIC-GM-WULING AUTOMOBILE CO LTD
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