A wood micro-drilling resistance clearing material sample detection and fixing device
A technology of micro-drilling resistance and fixing device, applied in the direction of measuring device, mechanical device, workpiece clamping device, etc., can solve the problems of equipment damage, high labor intensity of manual lifting, and error in collecting data, etc., to reduce labor intensity, The effect of reducing the risk of damage and ensuring the accuracy
Active Publication Date: 2022-06-03
NORTH CHINA UNIVERSITY OF TECHNOLOGY
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Problems solved by technology
In the process of use, it needs to be held by manpower, and it needs to be pressed hard to ensure that the drill bit is pressed against the sample to be tested, so that the protection of the equipment can be released and the needle can be ejected normally. Relatively small in size, during the pressing and tight contact process of the two, any artificial shaking and misalignment may cause errors in the collected data and damage to the equipment
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Abstract
The invention provides a wood micro-drilling resistance clearing sample detection and fixing device, comprising: a sample fixing unit for fixing the clearing sample horizontally and laterally, and a clearing sample is fixed on the sample fixing unit One side, the testing equipment fixing unit for placing the testing equipment, the position adjusting slide rail unit arranged at the lower part of the testing equipment fixing unit, and the overall stabilizing support for stably supporting the position adjusting sliding rail and the sample fixing unit seat unit. The invention provides a wood micro-drilling resistance clearing material sample detection and fixing device, which can flexibly adjust the needle insertion position of the detection equipment on the sample to be tested, and ensure the stability of the detection equipment in the process of detecting the sample to be tested.
Description
A kind of wood micro-drilling resistance cleaning sample detection fixing device technical field The present invention relates to the technical field of non-(micro) damage detection of wood mechanical properties, particularly a kind of wood micro-drilling resistance clearing Material sample detection fixture. Background technique Micro-drilling resistance detection technology is a common technical means currently applied to the field of non-(micro) damage detection of wood, and its principle It is driven by a DC motor to drive a steel drill with a diameter of about 1.5mm into the wood at a constant rate. The size of the resistance value reflects the change of the internal density of the wood, so that the resistance value of the micro-drill and the physical forces of the wood can be established. The fitting relationship between chemical properties, such as strength, elastic modulus, density, Poisson's ratio, etc.; in addition, the data can also be obtained by The re...
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IPC IPC(8): G01N9/00G01N19/00B25B11/00
CPCG01N9/00G01N19/00B25B11/00
Inventor 李鑫李宇轩朱瑞江张勃
Owner NORTH CHINA UNIVERSITY OF TECHNOLOGY