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Bearing spring outline dimension detection device and method

A technology of external dimensions and suspension springs, which is applied in the field of detection devices for the external dimensions of suspension springs, can solve problems such as potential safety hazards, reduced service life of vehicles, mutual wear of parts, etc., to achieve the effect of eliminating potential safety hazards and improving service life

Active Publication Date: 2018-09-14
济南凯镭迪精密仪器有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the outer diameter becomes larger, the parts in contact with it may wear each other, reducing the service life of the car and posing safety hazards
At present, there is no device or method for detecting whether the external dimensions of the suspension spring are qualified when the simulated ground is uneven.

Method used

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  • Bearing spring outline dimension detection device and method
  • Bearing spring outline dimension detection device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as figure 1 with 2 As shown, the suspension spring external dimension detection device provided in this embodiment includes a workbench 1 and a control system. The workbench 1 is provided with a spring compression mechanism, a spring height measurement sensor 10 and spring parameter measurement components. The spring compression mechanism compresses the spring, the spring height measuring sensor 10 detects the spring height, and the spring parameter measuring part measures the outer diameter and pitch of the spring. The spring height measuring sensor 10 may be a displacement sensor. The control system is used to control the spring compression mechanism to compress the spring and receive the measurement data from the spring height measurement sensor 10. When the spring is compressed to a preset height, the control system measures the outer diameter and pitch of the spring through the spring parameter measurement component. It should be noted that in this embodimen...

Embodiment 2

[0047] On the basis of Embodiment 1, this embodiment provides a method for detecting the outer dimension of the suspension spring based on the above detection device, which specifically includes the following steps:

[0048] S1: place the spring between the upper torsion disk 14 and the lower torsion disk 15;

[0049] S2: the control system controls the lifting motor 18 to drive the middle crossbeam 12 down to compress the spring; at the same time, the control system receives the measurement data from the spring height measuring sensor 10;

[0050] S3: When the spring is compressed to the first preset height, the control system controls the lifting motor 18 to stop working, and the middle beam 12 does not move;

[0051] S4: connecting the radial measuring rod 8 with the spring;

[0052] S5: the control system controls the rotating motor 11 to drive the upper torsion plate 14 to rotate to rotate the spring;

[0053] S6: The spring drives the radial measuring rod 8 to move, an...

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Abstract

The present invention discloses a bearing spring outline dimension detection device and method. The device comprises a workbench and a spring compressing mechanism arranged on the workbench. The device further comprises a spring height measurement sensor, a spring parameter measurement part and a control system. The control system controls the spring compressing mechanism to perform compression ofthe spring and receives measurement data of the spring height measurement sensor, and when the spring is compressed to a preset height, the control system measures the external diameter and the screwpitch of the spring through the spring parameter measurement part. The workbench is provided with the spring compressing mechanism configured to perform compression of the spring, the spring height measurement sensor monitors the height of the spring, and when the spring is compressed to the preset height, the spring parameter measurement part measures the external diameter and the screw pitch ofthe spring so as to achieve the automatic detection of the outline dimension of the bearing spring in a special compression state. The bearing spring outline dimension detection device and method canautomatically detect the outline dimension of the bearing spring in the special compression state and selects qualified bearing springs so as to improve the service lives of the bearing springs and eliminate vehicle safety loopholes.

Description

technical field [0001] The invention relates to the field of detection of suspension springs, in particular to a detection device and method for the external dimensions of suspension springs. Background technique [0002] Suspension spring is an elastic element in the automobile suspension, which makes the elastic connection between the axle and the frame, bears and transmits the vertical load, and moderates and suppresses the impact caused by uneven road surfaces. When the ground is concave, the suspension spring becomes longer downward and the outer diameter becomes smaller; when the ground is raised, the suspension spring is compressed upward and the outer diameter becomes larger. When its outer diameter becomes larger, the parts in contact with it may wear each other, which reduces the service life of the car and poses a safety hazard. At present, there is no device or method for detecting whether the external dimensions of the suspension spring are qualified when simul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/02G01B21/10G01B21/16G01B21/22
CPCG01B21/02G01B21/10G01B21/16G01B21/22
Inventor 冯庆芳
Owner 济南凯镭迪精密仪器有限公司
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