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Effort-saving geotome and using method

A kind of soil fetcher and labor-saving technology, which is applied in the field of labor-saving ring-knife soil fetcher, can solve the problems of impact and labor-intensive soil fetching, and achieve the effect of small size, convenient soil fetching, and improved comfort

Pending Publication Date: 2019-02-22
ZHONGYUAN ENGINEERING COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the technical problem that the traditional ring-knife soil fetching is affected by the soil quality and labor-intensive, the present invention proposes a labor-saving ring-cutter soil fetching device and its use method

Method used

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  • Effort-saving geotome and using method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1: as figure 1 As shown, a labor-saving ring knife soil fetcher includes a ring knife 2 with a cover. The ring knife 2 with a cover has a certain rigidity, the inner wall is smooth and smooth, and the surface is not damaged. 52±0.16mm, the wall thickness of the ring knife is 2.1±0.10mm, and the side of the blade of the ring knife 2 with a cover has a certain inclination angle, which is convenient for the earth taker to make the ring knife 2 form a squeezed state when taking soil. , the soil sample is taken out, the ring knife 2 with cover is movably arranged in the outer cylinder 1, the ring knife 2 with cover and the outer cylinder 1 are smooth and friction-free, so as to avoid laborious due to friction in the process of soil extraction, The upper part of the ring knife with cover 2 is provided with a cover plate, and the upper part of the cover plate is provided with a top plate 4. The lower part of the ring knife 2 with a cover should retain a sharp blade,...

Embodiment 2

[0035] Embodiment 2: as figure 1 As shown, a labor-saving ring knife soil fetcher, the pressing handle 8 is provided with a protective pad, and the protective pad is wound around the pressing handle 8. The protective pad is a sponge pad, and a certain amount of pressure is taken on the hands of the tester through the sponge pad. Protective measures are taken to avoid hand injury of test personnel.

[0036] All the other structures are the same as in Example 1.

Embodiment 3

[0037] Embodiment 3: as figure 1 As shown, a labor-saving ring knife soil fetcher, the elastic device includes a spring 7, the spring 7 is wound on the connecting rod 6 and one end of the spring 7 is connected with the connecting block 5, and the other end of the spring 7 is connected with the pressing handle 8, The use of the spring 7 is convenient for the tester to quickly press down, and the disassembly and assembly is convenient, the cost is low, and the damage can be directly replaced with a new spring.

[0038] All the other structures are the same as in Example 1.

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Abstract

The invention provides an effort-saving ring knife geotome and a using method. The effort-saving ring knife geotome comprises a cover ring knife, a cover plate is arranged on the cover ring knife, thecover ring knife is movably arranged in an outer cylinder, a top plate is arranged at the upper part of the cover plate, and the top plate is connected with a pressing device; a connecting device isarranged at the upper part of the outer cylinder and connected with the pressing device. By means of elasticity of a spring, test personnel can conveniently sample soil quickly; the geotome is suitable for sampling soil of various soil properties, saves time and labor, prevents hands of the test personnel from being injured, and is compact in structural design, small and convenient to carry, low in overall cost and simple to operate and easy to use.

Description

technical field [0001] The invention relates to the technical field of soil fetching in civil engineering tests, in particular to a labor-saving ring-cutter soil fetcher and a use method thereof. Background technique [0002] In civil engineering tests, whether it is compression, penetration, shear, bulk density tests, etc., it is necessary to use a ring knife to take the undisturbed soil for testing. The degree of disturbance to the soil during the sampling process will have a certain impact on the test results and subsequent analysis. Therefore, the ring knife instrument used for soil extraction is the basis of civil engineering experiments, and it is necessary to optimize the ring knife for the soil extraction instrument. . [0003] The ring knife is actually a rigid cylindrical sleeve with openings at both ends, one side of which is a blade, and one side of the blade is placed on the surface of the soil layer, and then pressed into the soil layer with force, when the ri...

Claims

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Application Information

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IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 张玉国杨晗玥史小杰段萌萌张伟杰韩帅万东阳郑言林
Owner ZHONGYUAN ENGINEERING COLLEGE
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