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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 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.

Method used

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

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Embodiment Construction

[0019] Referring to accompanying drawing 1, the composition of support rotary type undisturbed soil sampler of the present invention is as shown in Figure 1, comprises detachable handle 1, external thread drill rod 2, triangular support 3, drill rod holder 4 with internal thread, diameter adjustment Plate and holder 5, soil sample cover pressing plate 6, soil sample cover fixing ring 7, roller cutter fixing device 8, roller cutter 9, tripod fixing rod 10, horizontal air bubble 11, soil sample container 12 and so on.

[0020] The external thread of the externally threaded drill rod 2 cooperates with the internal thread of the drill rod holder 4, and the drill rod holder 4 is integrated with the supporting triangle bracket 3 and the horizontal air bubble 11 for displaying leveling;

[0021] Aperture adjustment plate and fixer 5 are made up of cutter fixed connector 41 and Y-shaped cutter fixed plate 42, and it is arranged on the lower end of external thread drill rod 2, has cutt...

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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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