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Portable leaf spring inspection gage

A leaf spring, portable technology, applied in the direction of mechanical clearance measurement, etc., can solve the problems of inaccurate detection results and inability to accurately determine the position of the center hole of the product, and achieve the effect of ensuring accuracy, simple structure, and eliminating vertical distance

Inactive Publication Date: 2015-12-23
CHONGQING ZETIAN AUTO PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this document has the following problems: Since the overall structure of the leaf spring is a depression in the middle, and the other two ends are bent upward, when the measuring tool is used to hang the ear hole of the roll with a hook, the part marked with the scale mark in the measuring tool is not the same as the leaf spring. There is a certain distance in the vertical direction of the middle concave part of the product, and the position of the center hole of the product cannot be accurately determined, resulting in inaccurate test results

Method used

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  • Portable leaf spring inspection gage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Example 1, such as figure 1 As shown, the portable leaf spring measuring tool, including the main body, is L-shaped as a whole and can be fitted on a horizontal surface, eliminating the vertical distance between the testing measuring tool and the center of the leaf spring, and ensuring the accuracy of the test results. The body includes a positioning section 1 in the vertical direction and a measuring section 2 in the horizontal direction. The positioning section 1 is provided with a mounting hole 101 matched with the measuring section 2. The measuring section 2 is hinged with the positioning section 1 through the mounting hole 101 by screws. Easy to store. The end of the positioning section 1 is provided with a hook 3, the front inner wall of the hook 3 is perpendicular to the positioning section 1, the hook 3 is U-shaped, one side of the hook 3 is connected with the positioning section 1 and integrally formed, the other side of the hook 3 is Short, forming a gap with...

Embodiment 2

[0016] Embodiment 2 differs from Embodiment 1 in that the length of the measuring portion 2 is 1000 mm.

Embodiment 3

[0017] Embodiment 3 is different from Embodiment 1 in that the length of the measurement part 2 is 1200 mm.

[0018] First, use the hook 3 of the measuring tool to hook the coiled ear hole of the leaf spring, and the measuring section 2 is located on the horizontal plane of the leaf spring, so that the position of the coiled ear hole of the leaf spring and the center hole of the leaf spring can be detected. Set the detection gauge as an L shape, and the measuring section 2 can fit on the horizontal plane, eliminating the vertical distance between the measuring section 2 and the center of the leaf spring. When reading, the scale on the measuring section 2 is easily aligned with the center of the leaf spring , to ensure the accuracy of the test results.

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PUM

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Abstract

The invention relates to the field of automotive inspection, and particularly relates to a portable leaf spring inspection gage. The portable leaf spring inspection gage comprises an overall L-shaped body. The body comprises a vertical positioning section and a horizontal measurement section. A hook is arranged at the end part of the positioning section. The front inner side wall of the hook is perpendicular to the positioning section. Scale markings are arranged on the side of the measurement section. The starting point of the scale markings is located at the junction of the positioning section and the measurement section. According to the invention, the inspection gage is L-shaped; the vertical distance between the part of the scale markings and a leaf spring is eliminated; and the inspection is accurate.

Description

technical field [0001] The invention relates to the field of automobile detection, in particular to a portable leaf spring detection measuring instrument. Background technique [0002] Leaf spring is the most widely used elastic element in automobile suspension. It is an elastic beam of approximately equal strength composed of several alloy spring sheets of equal width but unequal length. When the leaf spring is installed in the automobile suspension and the vertical load it bears is positive, each spring leaf is deformed by force and tends to arch upward. At this time, the axle and frame are close to each other. When the axle and frame move away from each other, the positive vertical load and deformation of the leaf spring gradually decreases, and sometimes even reverses. Whether the leaf spring is a qualified product or not, one of the most important technical indicators is to detect the distance between the center hole of the coil ear and the center hole of the entire p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/14
Inventor 黄忠泽
Owner CHONGQING ZETIAN AUTO PARTS