Support rotating undisturbed soil sampling device

An undisturbed soil, rotary technology, applied in the direction of sampling device, earth cube drilling, wellbore/well components, etc., can solve the problems that the verticality of the soil sample cannot be guaranteed, the soil sample cannot be close to the original state, and the edge of the soil sample is disturbed. Achieve the effect of simple structure, stable depth and low cost

Inactive Publication Date: 2005-04-27
NORTHWEST A & F UNIV
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Problems solved by technology

However, during the sampling process, due to the disturbance of the edge of the soil sample due to the uneven application of human force, and the verticality of the soil sampl

Method used

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  • Support rotating undisturbed soil sampling device
  • Support rotating undisturbed soil sampling device
  • Support rotating undisturbed soil sampling device

Examples

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Example Embodiment

[0019] Referring to FIG. 1, the composition of the stent rotary prototype Soil Soil Sample of the present invention is shown in Fig. 1, including detachable handle 1, outer threaded drill pipe 2, triangular bracket 3, a rip-threaded drill rod fixture 4, diameter adjustment Board and holder 5, soil sample outer casing press 6, soil sample outer casing fixing ring 7, roller cutter fixing device 8, roller cutter 9, tripod 10, horizontal bubble 11, soil-like container 12 Equisical.

[0020] The outer thread of the outer threaded drill rod 2 is mounted with each other, and the drill stroke 4 and the supported triangulation 3 and the horizontal bubble 11 for displaying the plane are connected;

[0021] The aperture adjustment board and the holder 5 are composed of a cutter fixing connector 41 and a Y-shaped cutter fixing plate 42, which is disposed at the lower end of the outer threaded drill rod 2, and the cutter adjustment is opened on the Y-shaped cutter fixing plate 42. The groove 4...

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Abstract

The tripod type rotary intact soil sampler includes detachable handle, external thread drilling rod, tripod, drilling rod fixer with inner thread, diameter regulating and fixing plate, soil sample sleeve pressing plate, soil sample sleeve fixing ring, cutter, roller fixer, tripod fixing rods, bubble level, soil sample container, etc. The present invention has small size, low cost and easy carrying about, and may be used in sampling soil near the original state for geotechnical engineering and scientific research.

Description

technical field [0001] The invention relates to a sampler, in particular to a support rotary type undisturbed soil sampler. Background technique [0002] Most of the existing soil extractors adopt direct pressing type, hammer pressurization type and pressing rotary type when fetching soil, and all utilize pressurized rotation and gravity impact to make the soil fetcher enter the soil body to complete the soil extraction. However, during the sampling process, due to the disturbance of the edge of the soil sample due to the uneven application of human force, and the verticality of the soil sample cannot be guaranteed due to factors such as terrain and soil quality, the soil sample cannot be close to the original state due to artificial vibration during soil sampling. . The size of the soil sample cannot be adjusted, and it needs to be adjusted by using different types of soil extractors. Contents of the invention [0003] The object of the present invention is to provide a...

Claims

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Application Information

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IPC IPC(8): E21B49/00G01N1/08
Inventor 王健蔡焕杰陈新明刘红英
Owner NORTHWEST A & F UNIV
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