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Underwater drilling device and method for obtaining and analysing soil samples of the bed of a body of water

A drilling device and soil technology, applied in the field of acquiring and analyzing soil samples of water body soil, can solve the problems of small diameter and consumption, and achieve the effect of saving time and cost

Active Publication Date: 2017-05-10
BAUER MASCH GMBH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also taking soil samples (which have a diameter significantly smaller than the borehole diameter) is consuming and requires specialized sample receivers

Method used

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  • Underwater drilling device and method for obtaining and analysing soil samples of the bed of a body of water
  • Underwater drilling device and method for obtaining and analysing soil samples of the bed of a body of water
  • Underwater drilling device and method for obtaining and analysing soil samples of the bed of a body of water

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Embodiment Construction

[0031] The structure and function of the underwater drilling device 10 according to the invention are combined according to the invention figure 1 and 2 to explain. The underwater drilling device 10 comprises a box-shaped basic frame 12 constructed from a steel frame. In the central region of the base frame 12 there is provided a vertically oriented drill guide 24 along which the drill drive 20 with the tensioning mechanism 22 for tensioning the drill rod element 32 can be moved vertically. It is supported and driven along the drilling axis 21. In addition, the drilling drive 20 is displaceable perpendicular to the drilling axis 21 in the horizontal direction along the transverse rail 23 away from the drilling axis 21 . The drilling drive 21 can be used here as part of a transport mechanism 38 in order to pick up stored drill rod elements 32 (not shown in the first storage area 14 of the base frame 12 ) and to guide them to the drill rod. In the hole axis 21. The only sch...

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Abstract

The invention relates to an underwater drilling device and a method for obtaining and analysing soil samples of the bed of a body of water. An underwater drilling device with a base frame is lowered in a body of water and placed on the bed of a body of water. With a drilling drive that is mounted on the base frame and able to move vertically, a drill string consisting of at least one tubular drill string element is drilled into the bed of the body of water in a first drilling step, wherein a core sample is accommodated in a holder in the tubular drill string element. The holder with the core sample is stored in a storage location of a second storage region on the base frame. Subsequently, at least one further drilling step is carried out with a further drill string element. By means of at least one sensor device arranged on a base frame in a surrounding area of the drilling axis, at least one physical and / or chemical property of the core sample is determined. The data thus determined is saved in a data processing device together with data relating to the storage location of the core sample in the second storage region.

Description

technical field [0001] The invention relates to an underwater drilling device for obtaining and analyzing soil samples of the soil of a body of water according to the preamble of claim 1 , with a basic frame configured for lowering in a body of water and for erecting in the body of water on the above-mentioned water body soil; the drill drive is used to rotationally drive the drill rod, which is constructed from pipe-shaped drill rod elements, wherein the drill drive is movably supported vertically along the borehole axis on Between the lower drill hole opening and the upper return position; the first storage area at the base frame is used to store the respective tubular-shaped drill rod elements used to construct the drill rod, wherein in the Receptacles for drill cores are respectively detachably fixed in the drill rod elements; a second storage area at the base frame is used to store the receptacles with drill cores obtained as soil samples; the transport mechanism, Using ...

Claims

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Application Information

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IPC IPC(8): E21B25/18E21B49/02E21B19/14E21B41/00
CPCE21B41/0007E21B49/025E21B19/143E21B25/18E21B47/12E21B7/124E21B25/10
Inventor S.M.芬肯策勒L.魏克斯勒T.弗罗伊登塔尔
Owner BAUER MASCH GMBH
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