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Internal stress detection mechanism for shock absorber and using method thereof

A detection mechanism and shock absorber technology, applied in the direction of instruments, measuring force, measuring devices, etc., can solve problems such as inability to guarantee accuracy, and achieve the effect of avoiding economic losses and ensuring quality

Inactive Publication Date: 2012-07-25
成都九鼎科技(集团)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a shock absorber internal stress detection mechanism to solve the problem that there is no special detection mechanism and it can only be judged by experience without guaranteeing accuracy

Method used

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  • Internal stress detection mechanism for shock absorber and using method thereof
  • Internal stress detection mechanism for shock absorber and using method thereof
  • Internal stress detection mechanism for shock absorber and using method thereof

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Embodiment Construction

[0020] In order to solve the abnormal sound of the shock absorber during the working process due to the inappropriate pre-tightening force after spinning, we have designed a detection method for internal stress after spinning. The use of the detection method can effectively control the manufacturing process of the spinning closing process, so as to solve the abnormal sound of the shock absorber caused by the spinning pretightening force not meeting the requirements. The structure will be described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement the present invention.

[0021] like figure 1 , 2 shown. The detection mechanism is composed of a tooling rod 1, a U-shaped detection gap 21 arranged on the cylinder 31, a through hole 22 arranged on the working cylinder 32 and passing through the working cylinder 32, and a spring balance 4; during detection, the tooling rod 1 One end of the spring scale (4) is hooked into...

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Abstract

The invention discloses an internal stress detection mechanism for a shock absorber, which comprises a tool rod, a detection gap, through holes and a spring scale. The detection gap is arranged on a cylinder and the through holes are arranged on a working cylinder and passes through the working cylinder. One end of the tool rod is inserted into the through hole. One end of the spring scale is connected with the other end of the tool rod. The using method comprises the steps of: firstly, milling a U-shaped, square or circular detection gap on the cylinder of a sealed shock absorber so as to expose the working cylinder and drilling the through holes at both sides of the working cylinder; and then, clamping the shock absorber vertically on a vice, penetrating one end of the tool rod through the two through holes of the working cylinder, hooking the other end of the tool rod by the spring scale, and applying a force at 90 degrees with the tool rod, so as to enable the the tool rod rotate transversely along the detection gap of the cylinder, in this way, the load applied when the cylinder rotates is measured, and the torque is calculated. The detection mechanism is simple and accessible in structure and low in cost, and can detect the internal stress of the shock absorber subjected to rotary extrusion and shell nosing without any special devices.

Description

technical field [0001] The invention relates to the technical field of testing equipment, in particular to testing equipment for automobile shock absorbers. Background technique [0002] In the shock absorber industry, abnormal sound (that is, the abnormal sound that occurs during the operation of the shock absorber) is one of the important failure modes that affect the comfort of the vehicle. Because there are many types of it, it is difficult to analyze the cause. Therefore, the solution to the abnormal noise problem is a difficult subject in the industry. Among them, the abnormal sound of "thumping" produced by the shock absorber during the working process is also one of them due to the inappropriate pre-tightening force after spinning. [0003] Among the existing equipment for testing shock absorbers, there are those for testing damping force, some for sealing, and some for testing other performances. As for the spinning and closing technology of shock absorbers, ther...

Claims

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Application Information

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IPC IPC(8): G01L1/00
Inventor 陈静
Owner 成都九鼎科技(集团)有限公司
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