Test system for blade stop time of pruning scissors

Abstract

The invention discloses a test system for blade stop time of a pair of pruning scissors, which comprises a voltage-stabilized power source, a control system and a test rack. The test system is characterized in that the control system comprises a controlling circuit and a measuring circuit, and the test rack comprises a box body, a fast clamping device, a front switch holding device, a rear switchholding device, a tail fixing device, a lateral fixing device and a speed measuring device. The test system is test equipment for specially testing whether the safety performance of the pruning scissors conforms to the international market. The test system has the advantages of high measurement accuracy, simple and convenient operation, reliable performance and good looks and is widely suitable for manufacture factories, commercial companies, inspection institutions and the like of the pruning scissors. The biggest advantage of the test system is reflected in the universal test rack of the pruning scissors, the test rack can quickly lock a variety of pruning scissors to be tested to run a test of blade stop time, and the work efficiency is greatly increased.

Description

technical field [0001] The invention relates to a test device, in particular to a test system for the stop time of pruning shear blades. Background technique [0002] According to GB 3883.1-2008 "Safety Part I of Handheld Electric Tools: General Requirements" and GB3883.15-2007 "Safety Part II of Handheld Electric Tools: Special Requirements for Pruning Shears", the stop time of pruning shears blades is made related regulations. The test of the stop time of the pruning shears blade is carried out by installing the blade on the pruning shears. Since the pruning shears of different specifications have different dimensions, the test frame in the existing test system adopts a conventional general-purpose Fixtures to fix the samples under test usually need to add various pads for different samples, so it is difficult to position them well. Moreover, because the surface shape of the pruning shears is often not very regular, the operation time is very long, the efficiency is low,...

AI Technical Summary

Problems solved by technology

The test of the stop time of the pruning shears blade is carried out by installing the blade on the pruning shears. Since the pruning shears of different specifications have different dimensions, the test frame in the existing test system adopts a conventional general-purpose The fixture fixes the sample to be tested, and it is usually necessary to add various pads to different samples, so it is difficult to position well

Moreover, because the surface shape of the pruning shears is often not very regular, the operation time is very long and the efficiency is low. At the same time, the test results are inaccurate due to unreliable fixation.

Images