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Apparatus and method for making cylindrical rock or concrete sample for laboratory

A technology for laboratory use and manufacturing equipment, applied in the field of geotechnical engineering instruments, can solve the problems of difficulty in grasping the depth of drilling tools, uneven sides of cylindrical samples, waste of materials, manpower, time, etc., so as to improve the production efficiency. , expand the limitations, the effect of simple structure

Active Publication Date: 2019-04-05
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sampling cannot be achieved if the length of the sample taken exceeds the maximum limit or the diameter of the sample is not the caliber of the existing tool
[0003] Furthermore, in the existing laboratory rock or concrete sampling machines, during the sampling process, with the increase of the drilling depth, the drill pipe tends to swing a little from side to side, which will directly cause the side of the cylindrical sample taken out to be rough. , and sometimes there will be a large dislocation phenomenon, resulting in sampling failure, unable to be used for subsequent sample work, time-consuming, laborious and laborious
[0004] In addition, in the process of drilling and sampling, if there are cracks or joints in the rock, when the tool rotates at high speed, the specimen is easily broken at the joints, which will also lead to sampling failure
[0005] If the height of the required cylindrical sample is less than the depth of the drilling sampler, sometimes it is difficult to grasp the depth of the drilling tool. time

Method used

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  • Apparatus and method for making cylindrical rock or concrete sample for laboratory
  • Apparatus and method for making cylindrical rock or concrete sample for laboratory
  • Apparatus and method for making cylindrical rock or concrete sample for laboratory

Examples

Experimental program
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Effect test

Embodiment 1

[0038] Such as figure 1 As shown, it includes a frame, which is characterized in that: the frame includes a horizontal guide rail 6, a vertical column 2, a slide bar 5, the vertical column 2 is a hollow structure, and the slide bar 5 includes a first vertical section and a second vertical section. Two cantilever sections, the first vertical section is slidably arranged in the hollow structure of the vertical column, and a fixing piece is arranged between the first vertical section and the vertical column; the fixing piece is the first vertical section A top screw bolt 151, the vertical column 2 is provided with a first threaded hole, and the first top screw bolt cooperates with the first threaded hole to withstand and fix the first vertical section.

[0039] The installation space of the sample can be adjusted conveniently by sliding up and down the vertical column and the slide bar, and then samples of any height can be made according to the needs, and the slide bar after adj...

Embodiment 2

[0049] A method for making a laboratory rock or concrete cylindrical sample is made by the device of embodiment 1, and the specific steps include:

[0050] Step (1), use a rock cutter to cut the rock or concrete as it is into a hexahedron with a square cross section, the side length of the square is greater than or equal to the diameter of the required cylindrical sample 1, and the length of the hexahedron is equal to the required cylindrical sample 1 the height of.

[0051] Step (2), slide and adjust the slide bar 5 up and down to ensure that the distance between the upper and lower rubber pads is slightly greater than the length of the hexahedron. At this time, tighten the first jacking screw 151 to fix the slide bar 5 .

[0052] Step (3), use a pencil to draw two diagonal lines on the upper and lower ends of sample 1, and install the sample to align the intersection of the diagonals on the upper end with the upper steel thimble 141, and the intersection of the diagonals on ...

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Abstract

The invention discloses a device and method for making a rock or concrete cylindrical sample for a laboratory, which includes a frame, the frame includes a horizontal guide rail, a vertical column, and a slide bar, and the vertical column and the slide bar can be adjusted by sliding and matching The installation space of the sample is large, and samples of any height can be made according to the needs; one end of the slide rod is used to install the sample through the pressure plate and the rubber plate, the sample is driven by a coaxial motor, and the grinding is changed from passive to active. At the same time, a grinding assembly capable of sliding left and right is provided, and cylindrical samples with different diameters can be produced according to the distance between the grinding assembly and the center of the sample. The invention has a simple structure, can complete the production of cylindrical samples at one time, and saves time, labor and effort.

Description

technical field [0001] The invention relates to the field of geotechnical engineering instruments, which belongs to a sample making tool, in particular to a cylindrical sample making device, and also to a cylindrical sample making method. Background technique [0002] Existing laboratory rock or concrete sampling machines can only take samples with fixed diameter and limited length. Sampling cannot be achieved if the length of the sample taken exceeds the maximum limit or the diameter of the sample is not the caliber of the existing tool. [0003] Furthermore, in the existing laboratory rock or concrete sampling machines, during the sampling process, with the increase of the drilling depth, the drill pipe tends to swing a little from side to side, which will directly cause the side of the cylindrical sample taken out to be rough. , Sometimes there will be a large dislocation phenomenon, resulting in sampling failure, and the subsequent sample work cannot be carried out, whi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/28
CPCG01N1/286
Inventor 胡振华王颖
Owner SHANDONG UNIV OF SCI & TECH
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