Full-automatic control chair back crushing resistance and fatigability test device and test method

Abstract

The invention discloses a full-automatic control chair back crushing resistance and fatigability test device which comprises a support bracket, a tensioning bracket, a tensioning mechanism and a control cabinet, wherein the tensioning bracket comprises four first stand columns and a plurality of support frames; the tensioning mechanism comprises a tensioning air cylinder, a balancing weight, two tensioning support rods which are arranged on one side of the balancing weight and an upper tensioning wheel and a lower tensioning wheel, which are arranged between the two tensioning support rod; a tensioning chain is connected with the balancing weight; the tensioning chain bypasses each of the upper tensioning wheel and the lower tensioning wheel to be connected with the chair back; the support bracket comprises a plurality of stand columns and a top frame and a bottom frame, which are arranged between the second stand columns; a turnover platform for supporting the chair is arranged in the top frame; a PLC is arranged in the control cabinet; an operation panel is arranged at the top of the control cabinet; the PLC is electrically connected with the tensioning air cylinder through an electromagnetic valve. The full-automatic control chair back crushing resistance and fatigability test device and test method are high in stability in test process and accurate and reliable in test result, and can be used for testing various models of chairs.

Description

technical field [0001] The invention belongs to the field of chair quality detection, and in particular relates to a fully automatic control chair back pressure resistance and fatigue test device and a test method thereof. Background technique [0002] During the normal use of the seat, the back of the seat will be subjected to cumulative load and impact force, so a safe and reliable seat must be able to withstand a certain amount of compression and fatigue tests. [0003] However, existing seat manufacturers generally lack special seat back compression test equipment, and usually use temporary test equipment for testing. This kind of temporary test equipment is generally relatively simple, so that the stability and accuracy in the test process The degree is not guaranteed, and the applicable chair models are also limited. Contents of the invention [0004] In order to solve the defects and deficiencies in the above-mentioned prior art, the present invention provides a fu...

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Problems solved by technology

[0003] However, existing seat manufacturers generally lack special seat back compression test equipment, and usually use temporary test equipment for testing. This kind of temporary test equipment is generally relatively simple, so that the stability and accuracy in the test process The degree is not guaranteed, and the applicable chair models are also limited

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