A slider crank mechanism and a spring life test device using the mechanism
A crank-slider mechanism and slider technology, which is applied in the testing of machine/structural components, testing of mechanical components, testing of material strength by applying repetitive force/pulsation force, etc., can solve problems such as prone to crawling, and achieve reduction Crawling phenomenon, reduced wear, and long service life
Active Publication Date: 2019-07-19
HENAN PINGGAO ELECTRIC +2
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Problems solved by technology
[0005] The purpose of the present invention is to provide a slider crank mechanism to solve the technical problem that the spring testing device in the prior art is prone to crawling
Method used
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Embodiment Construction
[0039] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0040] The specific embodiment 1 of a kind of spring life testing device of the present invention, as Figure 1 to Figure 19 As shown, the spring life test device includes a workbench, the workbench is mainly composed of a mechanism box 1 and a support frame 11, a reducer and a motor are arranged in the mechanism box 1, and the motor and the reducer together form the driving device of the spring life test device . The support frame 11 includes a vertical connecting plate 111 and a horizontal supporting plate 112, the vertical connecting plate 111 and the horizontal supporting plate 112 are integrally formed to form an L-shaped plate structure, the vertical connecting plate 111 is fixedly connected with the side wall of the mechanism box 1, and the mechanism The side wall of the box and the vertical connecting plate 111 are correspondingly provided with ...
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The invention relates to a crank-slider mechanism and a spring life testing device with the same. The spring life testing device comprises the crank-slider mechanism, the crank-slider mechanism comprises a crank, a guide rail extending in the front-and-back direction, a slider capable of moving along the guide rail and a connecting rod connected between the crank and the slider, a rolling body is arranged between the guide rail and the slider, and the guide rail and the slider achieve rolling cooperation through the rolling body. According to the crank-slider mechanism and the spring life testing device with the same, existing sliding friction cooperation between the slider and the guide rail is changed into rolling friction cooperation, the climbing phenomenon is reduced, then wear between the slider and the guide rail is reduced, the spring life testing device can conduct over ten thousands times of stretching fatigue tests on a spring, and the service life of the device is long.
Description
technical field [0001] The invention relates to a crank slider mechanism and a spring life test device using the mechanism, belonging to the technical field of spring detection. Background technique [0002] The static contacts of the high-voltage isolating switch and the high-voltage grounding switch use springs to exert pressure on the contact fingers to ensure reliable contact between the moving and static contacts. The structure of the spring for the isolating switch is as follows: figure 1 As shown, the spring has hooks at both ends. The spring used for the isolating switch usually has no problems during product assembly, but it is prone to breakage during product debugging or operation and maintenance, which has buried hidden dangers for product operation. This requires the use of spring testing devices to test the life of the spring. . [0003] For example, a spring fatigue testing device disclosed in a Chinese utility model patent whose authorization announcement d...
Claims
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IPC IPC(8): G01M13/00G01N3/32G01N3/02
CPCG01M13/00G01N3/02G01N3/32G01N2203/0005G01N2203/0017G01N2203/0073G01N2203/0288
Inventor 李宇鹏庞庆平齐凯时彦文庞建王路平王占杰李春迎泰泳邱正新王红敏
Owner HENAN PINGGAO ELECTRIC