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Flexible and convenient drilling type soil sampling instrument

A handy, instrument-based technology, applied in the field of handy drilling-type soil-taking instruments, can solve problems such as inconvenient operation, inconvenient portability, and time-consuming use, and achieve the effect of avoiding deformation and improving the overall structural strength

Pending Publication Date: 2022-03-04
HENAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the defects and problems existing in the existing equipment, the present invention provides a convenient drilling-type earth-taking instrument, which effectively solves the problems of inconvenient operation, time-consuming use, inconvenient carrying and laborious use existing in the existing equipment.

Method used

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  • Flexible and convenient drilling type soil sampling instrument
  • Flexible and convenient drilling type soil sampling instrument
  • Flexible and convenient drilling type soil sampling instrument

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Embodiment 1: specific implementation This embodiment aims to provide a kind of handy drilling-type earth-absorbing instrument, which is mainly used for obtaining the undisturbed soil in the soft soil layer in the field of construction technology. As a result, it is difficult to obtain a complete undisturbed soil sample due to the limitation of the structural form of the soil fetcher when the soil sample is obtained. At the same time, due to the physical state of the soil sample, the conventional soil extractor increases the difficulty of soil extraction and the increase in the frequency of soil extraction, which in turn leads to a decrease in the efficiency of soil extraction. In addition, during the lifting process of the earth taker, the soil on the hole wall is driven by friction with the hole wall, which will also cause disturbance of the soil. Based on this, in this embodiment, a common hollow drill bit is provided with additional bolts, and the interaction betwee...

Embodiment 2

[0045] Embodiment 2: This embodiment is basically the same as Embodiment 1, the difference is that this embodiment further explains the structure of the fixing seat.

[0046] Such as Figure 12 As shown in , the fixed base 24 includes an anchor plate 242, a C-shaped cover 241, an adjustment frame 243, an adjustment screw 245, a positioning rod 246 and a top plate 247; the outside of the C-shaped cover 241 is fixed with an anchor plate 242 and an adjustment frame 243, The bottom of the anchor plate 242 is provided with anti-slip teeth or anchor rods 25, which are used to fix and establish a fixed connection relationship with the ground, so that the splicing cylinder can overcome the reaction force generated by the sampling cylinder going deep into the soil layer, so that the splicing cylinder can maintain vertically. .

[0047] In order to establish a fixed relationship with the splicing barrel, the adjustment frame 243 is fixed on the C-shaped sheath 241, and an adjustment pl...

Embodiment 3

[0050] Embodiment 3: This embodiment is basically the same as Embodiment 1, the difference is that this embodiment further explains the structure of the elevating rack 15 .

[0051] As shown in Example 4 of this embodiment, the elevating rack 15 is a threaded pipe 151, the inside of which is provided with an internal thread 153, and the outside is provided with a limiting block 152, and the internal thread 153 and the limiting block 152 are respectively adapted to the screw rod 13 and the limiting groove. match.

[0052] In this embodiment, the threaded connection relationship is established between the internal thread and the lifting rack, and the position of the threaded pipe is limited by the fitting of the limit block and the limit groove, so as to avoid its rotation and achieve the purpose of converting horizontal rotation power into vertical thrust.

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Abstract

The invention discloses a flexible and convenient drilling type soil sampling instrument which comprises a sampling barrel, a lifting ejector rod, a splicing barrel, an upper driving mechanism, a power conversion mechanism and a fixed seat, the upper driving mechanism comprises an upper fixing frame, a hand-cranking wheel and a rocking handle; the power conversion mechanism comprises a transmission wheel, a bevel gear set, a transmission shaft, a screw rod and a lifting tooth frame; the transmission wheel is in transmission connection with the hand-cranking wheel. The bevel gear set comprises a first bevel gear and a second bevel gear. The upper end of the transmission shaft is fixed to the middle of the second bevel gear, the lower end of the transmission shaft is fixed to the middle of the screw, a limiting frame is arranged on the side wall of the transmission cylinder, spiral teeth and limiting blocks are arranged on the inner side and the outer side of a lifting tooth frame respectively, the limiting blocks are sleeved with the limiting grooves in a matched mode, and a lifting ejector rod is arranged on the lower portion of the screw and fixed to the upper portion of the sampling cylinder. The fixed seat is clamped on the outer side of the fixed cylinder; through simple device combination of components, the whole structure is detachable, operation is easy, carrying is convenient, and soil sampling is more efficient and convenient.

Description

technical field [0001] The invention belongs to the technical field of construction, and in particular relates to a convenient drilling-type earth-taking instrument. Background technique [0002] The first task before conducting soil experiments is to obtain soil samples. When obtaining undisturbed soil, it is generally chosen to sample on site. When the soil is not easy to obtain, auxiliary tools are usually used for borehole sampling. In the process of borehole sampling, the soil fetcher is an important tool to ensure that the undisturbed soil samples are taken from the borehole, and the design of the soil fetcher is affected by many factors. In recent years, the development of its soil extractors is towards the direction of thin pipe wall, good sealing performance and strong suction force. Only with better sampling tools can authentic and representative soil samples be taken out, especially the sampling of soft soil layers is more important. [0003] ① The structure o...

Claims

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Application Information

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IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 马少春姚于迪肖慧敏鲍鹏
Owner HENAN UNIVERSITY