Wood micro-drill resistance material cleaning sample detection fixing device

A technology of micro-drilling resistance and fixing devices, which is applied in the direction of measuring devices, mechanical devices, workpiece clamping devices, etc., can solve problems such as equipment damage, manual lifting labor intensity, and data acquisition errors, etc., to reduce labor intensity, The effect of reducing the risk of damage and ensuring accuracy

Active Publication Date: 2019-09-06
NORTH CHINA UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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

Method used

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  • Wood micro-drill resistance material cleaning sample detection fixing device
  • Wood micro-drill resistance material cleaning sample detection fixing device
  • Wood micro-drill resistance material cleaning sample detection fixing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] According to the size requirements of the test piece in the national standard "Test Method for Compressive Resistance of Wood Cross Grain" (GB / T 1939-2009), the size of the clear material sample 50 is 60mm×20mm×20mm. see Figure 15 , during the detection process, use the two spring clamps 122 in the middle of the horizontal bracket 12 of the sample fixing unit 10 to clamp the clear material sample 50 horizontally, and fix the testing equipment 60 on the testing equipment fixing unit by tightening the limit bolt 22 In the plate-type U-shaped slot 21 of 20, as a specific embodiment of the present invention, the detection device 60 uses a micro-drill resistance meter. By adjusting the position in the bolt hole on the longitudinal support 11 that the position adjustment bolt 13 is screwed into, the clamping height of the clear material sample 50 on the sample fixing unit 10 is adjusted, so that the clear material sample 50 and the micro-drill resistance meter 60 are located...

Embodiment 2

[0048] According to the national standard "Determination of Timber Flexural Modulus of Elasticity" (GB / T 1936.2-2009) on the size of the specimen, the size of the clear material sample 50 is 300mm×20mm×20mm. see Figure 16, the difference from Example 1 is that in this example, during the detection process, four spring clamps 122 of the transverse support 12 of the sample fixing unit 10 are used to clamp the clear material sample 50 horizontally, and by tightening the limit bolt 22 The detection device 60 is fixed in the plate-type U-shaped slot 21 of the detection device fixing unit 20. As a specific embodiment of the present invention, the detection device 60 uses a micro-drill resistance meter. By adjusting the position in the bolt hole on the longitudinal support 11 that the position adjustment bolt 13 is screwed into, the clamping height of the clear material sample 50 on the sample fixing unit 10 is adjusted, so that the clear material sample 50 and the micro-drill resis...

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Abstract

The invention provides a wood micro-drill resistance material cleaning sample detection fixing device. The device comprises a sample fixing unit, a detection equipment fixing unit, a position adjusting sliding rail unit and an overall stable support unit, wherein the sample fixing unit is used for horizontally and transversely fixing a material cleaning sample, the detection equipment fixing unitis arranged on one side of the sample fixing unit, which is fixed with the cleaning material sample, and the detection equipment fixing unit is used for placing detection equipment, the position adjusting sliding rail unit is arranged on the lower portion of the detection equipment fixing unit, and the overall stable support unit is used for stably supporting the position adjusting sliding rail and the sample fixing unit. The wood micro-drill resistance material cleaning sample detection fixing device provided by the invention can flexibly adjust the needle insertion position of the detectionequipment on the detected sample and ensure the stability of the detection equipment in the process of detecting the detected sample.

Description

technical field [0001] The invention relates to the technical field of non-(micro) damage detection of wood mechanical properties, in particular to a detection and fixing device for wood micro-drilling resistance clearing material samples. Background technique [0002] Micro-drilling resistance detection technology is currently a common technical means used in the field of wood non-(micro) damage detection. Obtain the resistance value to reflect the change of the internal density of wood, so as to establish the fitting relationship between the resistance value of micro-drilling and various physical and mechanical properties of wood, such as strength, elastic modulus, density, Poisson's ratio and other data; In addition, the resistance curve on the detection path can also be formed by acquiring data. Through the analysis of the resistance curve, the density of the early and late wood of the wood can be obtained, and whether there is any damage such as decay, cracks, and voids...

Claims

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Application Information

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Patent Type & Authority Applications(China)
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
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