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Collecting device for geotechnical engineering exploration

A collection device and geotechnical engineering technology, applied in the direction of sampling devices, etc., can solve the problems of complex structure, inconvenient use, laborious operation, etc., and achieve the effect of simple operation, improved sampling efficiency, and rapid sampling

Pending Publication Date: 2020-03-27
WUHAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing acquisition devices for geotechnical engineering exploration are traditionally designed, complex in structure, laborious in operation, and not convenient enough to use

Method used

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  • Collecting device for geotechnical engineering exploration
  • Collecting device for geotechnical engineering exploration
  • Collecting device for geotechnical engineering exploration

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] On the basis of the above structure, in this embodiment, the drill bit 2 is fixedly installed with a gasket 13 in a manner conceivable by those skilled in the art, such as strong glue, which is easy to replace; the gasket 13 is located between the drill bit 2 and the sampling tube 1 When the drill bit 2 is coaxial with the sampling tube 1, the sealing gasket 13 seals the open end of the sampling tube 1. After the sampling is completed, the open end of the sampling tube 1 is sealed by the gasket 13 to prevent the sample in the sampling tube 1 from leaking out.

[0038] Preferably, in this embodiment, the sealing gasket 13 is made of rubber material and has elasticity, so as to seal the open end of the sampling tube 1 and prevent the sample in the sampling tube 1 from leaking out.

Embodiment 2

[0040] On the basis of Embodiment 1, in this embodiment, the drill bit 2 is rotationally connected with the open end of the sampling pipe 1 through two oppositely arranged connecting plates 3, and one end of each connecting plate 3 is welded together with the drill bit 2, The other ends are rotatably connected with the open end of the sampling tube 1 through a rotating shaft. One side of the sampling tube 1 is fixedly connected with the limiting baffle 4, and when the drill bit 2 is coaxial with the sampling tube 1, one end of the limiting baffle 4 extends along the axial direction of the sampling tube 1 and extends to the side wall of the open end of the sampling tube 1 fit, one end of the limit baffle 4 is welded together with the drill bit 2. During the rotation of the drill bit 2, the drill bit 2 is limited by the limit baffle 4, so as to prevent the drill bit 2 from rotating arbitrarily and affecting the sampling.

Embodiment 3

[0042] On the basis of Embodiment 1, in this embodiment, a transmission shaft 5 is installed rotatably in the sampling tube 1 along its axial direction, and a bevel gear 6 is coaxially fixed on one end of the transmission shaft 5. The way of connection; the open end of the sampling tube 1 is rotatably installed with a bevel gear 2 7, and the bevel gear 2 7 is connected to the drill bit 2 in transmission, specifically: one end of the rotating shaft connected to the connecting plate 3 extends to the sampling In the pipe 1, the bevel gear 2 7 is fixedly sleeved on one end of the rotating shaft through an interference connection, and the bevel gear 2 7 meshes with the bevel gear 1 6 . During sampling, turn transmission shaft 5 and drive bevel gear one 6 to rotate, and bevel gear one 6 drives bevel gear two 7 to rotate, to drive drill bit 2 to rotate, thereby change the relative position of drill bit 2 and sampling pipe 1, so that sample fast.

[0043]In addition, the inner wall of...

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Abstract

The invention relates to a collecting device for geotechnical engineering exploration. The collecting device comprises a sampling pipe and a drill bit, one end of the sampling pipe is open, the otherend of the sampling pipe is closed, and the drill bit is rotationally installed at the open end of the sampling pipe and can be positioned; and the drill bit is rotated until the drill bit is coaxialwith the sampling pipe so as to drill the sampling channel in the soil, or the drill bit is rotated until the drill bit is positioned on one side of the open end of the sampling pipe for sampling. Thesampling device is simple in structure, rapid sampling can be achieved, and the sampling efficiency is greatly improved.

Description

technical field [0001] The invention relates to the technical field of civil engineering equipment, in particular to a collection device for geotechnical engineering exploration. Background technique [0002] Geotechnical engineering exploration refers to the activities of ascertaining, analyzing and evaluating the geological and environmental characteristics and geotechnical engineering conditions of the construction site according to the requirements of the construction project, and compiling the investigation documents. The task of geotechnical engineering survey is to correctly reflect the engineering geological conditions of the site and the influence of rock and soil mass behavior according to the requirements of different survey stages, and to carry out technical demonstration and Evaluate, submit decision-making specific suggestions for dealing with geotechnical engineering problems and solving problems, and propose design criteria for foundations, slopes, etc. The ...

Claims

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Application Information

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IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 谈泽鑫万胜武
Owner WUHAN UNIV OF SCI & TECH
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