Clamping and fixing device suitable for cubic samples with different sizes and use method of clamping and fixing device
A technology of a cube and a fastening device, which is applied in the field of civil engineering indoor test devices, can solve the problems of difficulty in forming the sample, splitting of the sample, etc., so as to achieve the improvement of the integrity of the sample and the improvement of the yield, the preparation process is simple, and the cost is saved. Effect
Active Publication Date: 2018-07-27
HOHAI UNIV
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Problems solved by technology
[0003] In order to overcome the phenomenon that the sample often splits and the sample is not easy to form in the process of cutting and grinding the sample block containing multiple cracks, the present invention provides a cubic sample clamping device suitable for various sizes and its application. method
Method used
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Embodiment 1
[0036] Put the cube-shaped sample block on the working plate, so that the end of the sample block to be cut or polished is exposed to the corresponding length of the working plate, and make the side wall of the sample block close to the static side pressure plate, and move the movable side pressure plate to make the dynamic The side pressure plate is close to the other side wall of the sample block. Install the upper pressing block in sequence between the static side pressing plate and the moving side pressing plate, so that the upper pressing block is placed on the upper end of the sample block. When installing the last upper pressing block, select a plugging pressing block of corresponding thickness, so that the The total thickness meets the length requirement of the sample block, that is to ensure that the sample block is firmly fastened between the static side pressure plate and the movable side pressure plate. Insert the two fastening bolts from the fastening groove of th...
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Abstract
The invention discloses a clamping and fixing device suitable for cubic samples with different sizes and a use method of the clamping and fixing device. The clamping and fixing device comprises a working board, a static lateral pressure plate, a dynamic lateral pressure plate, a plurality of upper press blocks, plugging press blocks and a fastening device, wherein the static lateral pressure plateis vertically arranged on one side of the working board; the dynamic lateral pressure plate is vertically arranged on the other side, opposite to the static lateral pressure plate, of the working board; a sample block is arranged on the working board and clamped between the static lateral pressure plate and the dynamic lateral pressure plate; the plurality of upper press blocks are tightly arranged on the upper end surface of the sample block between the static lateral pressure plate and the dynamic lateral pressure plate; the plugging press blocks are plugged in gaps between the upper pressblocks and the dynamic lateral pressure plate; the static lateral pressure plate and the dynamic lateral pressure plate are locked by the fastening device, and the plurality of upper press blocks andthe plugging press blocks are pressed on the sample block by the fastening device. The clamping and fixing device has the advantages as follows: the multi-slit sample block is prevented from being damaged during cutting and polishing, the problem of sample cracking in the polishing and cutting processes is solved under the fastening action of the clamping and fixing device for the sample, the preparation technology is simple, and capitals are saved.
Description
technical field [0001] The invention relates to a civil engineering indoor test device, which is especially used in the processes of cutting and grinding samples which are easy to break. Background technique [0002] In the natural environment, a large number of rock masses contain various cracks, joints, faults and other structures, which have a great impact on the mechanical properties of the rock mass. Therefore, it is of great significance to study rock masses with a large number of fractures. Indoor test is one of the important methods of civil engineering research. The test usually uses concrete, resin and other similar materials or direct sampling from the engineering site. In order to make the sample block meet the test requirements, it is necessary to carry out cutting and grinding processes, but because the sample contains a large number of cracks or similar materials with weak strength, the splitting phenomenon of the sample often occurs during the cutting and gr...
Claims
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IPC IPC(8): G01N1/28
CPCG01N1/286G01N2001/2866G01N2001/2873
Inventor 阙相成朱珍德龚超刘金忠卢文斌林国财徐晨城
Owner HOHAI UNIV