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Cutting ring specimen maker and use method thereof

A ring knife and soil sample technology, applied in sampling, instruments, scientific instruments, etc., can solve the problems of complex process, long time-consuming, unfavorable penetration, etc., and achieve the effect of uniform sample preparation, simple preparation process and accurate permeability performance

Active Publication Date: 2017-07-28
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional sample preparation is usually based on the dry density required by the experiment, compacting a certain quality of wet soil with a compactor, cutting the soil for sampling (similar to the method of taking the original sample), or placing the soil in a ring cutter to divide the sample. Layer compaction for sample preparation or one-time compaction sample preparation; the former takes a long time in the sample preparation process and requires a large number of soil samples, while the la

Method used

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  • Cutting ring specimen maker and use method thereof
  • Cutting ring specimen maker and use method thereof
  • Cutting ring specimen maker and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] see figure 1 , a kind of ring knife sample preparation device, comprises ring knife, ring knife slot 2, base and some detachable sleeve pipes 1; The knife is detachably arranged in the ring knife slot 2, the inner diameter of the ring knife is the same as that of the casing 1, and the height of the ring knife is the same as that of the ring knife slot 2;

[0039] see Figure 4 and Figure 5 , Figure 4 Among them, a) is the structural front view of the bottom plate, and b) is the A-A sectional view of a). The base is composed of a base plate 9, which is in contact with the casing 1. The base plate 9 is provided with a sleeve 4. The liftable cylinder 3 passes through the base plate 9 and can move up and down in the sleeve 4. The diameter of the liftable cylinder 3 is the same as that of the sleeve. 1 with the same inner diameter.

[0040]In this way, the casing 1 can be connected up and down to form a casing combination, and the ring knife slot 2 can also be connect...

Embodiment 2

[0048] see Figure 6 , in the figure, a) is the front view of the structure of the ring knife sample preparation device; b) is the B-B section view of a). A ring knife sample maker based on Embodiment 1, wherein the sleeve 1 includes two semicircular arc plates, and the two semicircular arc plates are detachably connected. In this way, when there is a compacted sample inside the casing assembly and it is disassembled, the two semicircular arc plates of the casing 1 can be directly disassembled, so that the soil samples therein are exposed for sampling or cutting, avoiding direct The destruction of the soil samples therein caused when two adjacent casings 1 containing soil samples are separated also simplifies the removal method of the soil samples.

[0049] Here, the two semicircular arc plates are detachably connected, which has a variety of conventional implementation methods, such as using clamps, etc. These conventional methods realize the combination of two semicircular ...

Embodiment 3

[0055] A ring knife sample maker based on Embodiment 1 or 2, wherein the bottom plate 9 is connected to the liftable cylinder 3 through threads. In this way, the liftable column 3 can be lifted relative to the bottom plate 9 by rotating. Since the casing assembly is supported by the bottom plate 9, and the liftable cylinder 9 can enter the inside of the casing assembly, the liftable cylinder 3 can adjust the distance from the soil sample at a certain position in the casing assembly to the top of the liftable cylinder 3 Adjust its real height position.

[0056] Wherein, in a feasible embodiment, the side of the liftable cylinder 3 is provided with positive threads, the bottom plate 9 is provided with a cylindrical threaded hole 10, and the cylindrical threaded hole 10 has a reverse thread, and the liftable cylinder 3 and the cylindrical threaded hole 10 matches. As a further solution of this feasible embodiment, the liftable cylinder 3 is a solid cylinder. Solid cylinders ca...

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Abstract

The invention provides a cutting ring specimen maker and a use method thereof. The cutting ring specimen maker comprises a cutting ring, a cutting ring clamp groove, a base and a plurality of detachable casings, the cutting ring clamp groove is vertically and detachably connected with the casings through connectors, and the cutting ring is detachably arranged in the cutting ring clamp groove. The inner diameter of the cutting ring is as same as that of each casing, the height of the cutting ring is as same as that of the cutting ring clamp groove, the base comprises a liftable cylinder and a sleeve, the diameter of the liftable cylinder is as same as the inner diameter of each casing, and the liftable cylinder can lift up and down in the sleeve. Specimens made by the cutting ring specimen maker are more uniform. According to the use method of the cutting ring specimen maker, soil samples meeting requirements can be simply and accurately prepared.

Description

technical field [0001] The invention relates to the field of geotechnical experiment research, in particular to a ring cutter sample preparation device and a method for using the same. Background technique [0002] In order to carry out geotechnical property experiments on remolded soil (such as remolded soil penetration, etc.) in engineering and laboratory experiments, the most critical point is to prepare soil samples, and the ring knife is often used as the main instrument for preparing soil samples. Traditional sample preparation is usually based on the dry density required by the experiment, compacting a certain quality of wet soil with a compactor, cutting the soil for sampling (similar to the method of taking the original sample), or placing the soil in a ring cutter to divide the sample. Layer compaction for sample preparation or one-time compaction sample preparation; the former takes a long time in the sample preparation process and requires a large number of soil ...

Claims

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Application Information

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IPC IPC(8): G01N1/28
CPCG01N1/286G01N2001/2873
Inventor 钱会李亚斌王海科李梦娜高燕燕陈垚侯凯徐盼盼杨咪林涛
Owner CHANGAN UNIV
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