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Rock sample screening device for SHPB impact test

A technology for rock samples and screening devices, which is applied to measuring devices, sieves, solid separation, etc., can solve problems such as low experimental efficiency and affecting the accuracy of experimental results, so as to improve stability, ensure accuracy, and improve test results. efficiency effect

Inactive Publication Date: 2018-09-28
ANHUI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Put the broken sample after impact into the traditional sieving device. After the sieving, the rock fragments of various particle sizes are weighed and recorded. The experimental efficiency is low, and broken particles may fall during the weighing process. Affect the accuracy of the experimental results

Method used

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  • Rock sample screening device for SHPB impact test
  • Rock sample screening device for SHPB impact test
  • Rock sample screening device for SHPB impact test

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Experimental program
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Embodiment Construction

[0011] The patent of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments:

[0012] Such as Figure 1 ~ Figure 3 A kind of rock sample sieving device for SHPB impact test shown is composed of a top cover, a sieve with an aperture of 37mm, a sieve with an aperture of 31.5mm, a sieve with an aperture of 26.5mm, and a sieve with an aperture of 19mm. Mesh, 16mm pore size screen, 13.2mm pore size sieve, 9.5mm pore size sieve, 4.75mm pore size sieve, 2.36mm pore size sieve, 1.18mm pore size sieve, pore size It consists of a 0.6mm screen, a 0.3mm aperture screen, a 0.15mm aperture screen, a chassis, a support frame, and a vibrating table.

[0013] The specific operation steps are as follows:

[0014] Collect the sample fragments after the impact, open the top cover 1 and put in the rock sample fragments, cover the top cover 1, put the experimental device as a whole on the vibrating table 17, turn on t...

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PUM

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Abstract

The invention relate to a rock sample screening device for SHPB impact test. The rock sample screening device comprises a top cover, a screen cloth with a bore diameter of 37mm, a screen cloth with abore diameter of 31.5mm, a screen cloth with a bore diameter of 26.5mm, a screen cloth with a bore diameter of 19mm, a screen cloth with a bore diameter of 16mm, a screen cloth with a bore diameter of13.2mm, a screen cloth with a bore diameter of 9.5mm, a screen cloth with a bore diameter of 4.75mm, a screen cloth with a bore diameter of 2.36mm, a screen cloth with a bore diameter of 1.18mm, a screen cloth with a bore diameter of 0.6mm, a screen cloth with a bore diameter of 0.3mm, a screen cloth with a bore diameter of 0.15mm, a bottom disc, a supporting frame and a vibration table. Impactedsample fragments are put into the screening device to be screened, each screen cloth is sequentially pulled out according to the size of the screen cloth from large to small, and rock fragments are taken out for weighing and recording.

Description

technical field [0001] The patent of the present invention relates to a rock sample screening device for SHPB impact test. Background technique [0002] In the SHPB experiment, after the impact of the rock sample, the particle size distribution of the broken test block should be counted in order to carry out relevant energy calculations. Put the broken sample after impact into the traditional sieving device. After the sieving, the rock fragments of various particle sizes are weighed and recorded. The experimental efficiency is low, and broken particles may fall during the weighing process. affect the accuracy of the experimental results. Contents of the invention [0003] The patent of the present invention provides a rock sample screening device for SHPB impact test. This device can accurately obtain the quality of rocks with various particle size distributions and is easy to operate to improve experimental efficiency. [0004] The technical solution for realizing the ...

Claims

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Application Information

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IPC IPC(8): B07B1/46B07B1/28G01N3/02
CPCB07B1/28B07B1/46B07B1/4609B07B2201/04G01N3/02G01N2203/0098
Inventor 黄坤马芹永马冬冬
Owner ANHUI UNIV OF SCI & TECH