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Drilling rig and drilling method

A technology of drilling equipment and auger, which is applied in the field of the invention and also relates to a drilling method, which can solve problems such as time-consuming and achieve effective and stable effects.

Inactive Publication Date: 2009-12-16
BAUER MASCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

it's quite time consuming

Method used

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  • Drilling rig and drilling method
  • Drilling rig and drilling method
  • Drilling rig and drilling method

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Embodiment Construction

[0029] Figure 1 to Figure 3 The drilling method of the present invention and the drilling rig 10 of the present invention are shown in FIG. Such as figure 1 As shown in , the drilling rig 10 includes a generally vertically positioned derrick 12 pivotally mounted on a base 14 via an adjustment mechanism 13 . In the exemplary embodiment, base 14 is in the form of a tracked vehicle with a rotatable superstructure.

[0030] The slider 18 is mounted for displacement along the mast 12 by a cable-and-wheel mechanism in a known manner. An annular drilling drive 16 is provided on the slide 18 for driving a rod-shaped drilling element 20 . The lower region of the drilling element 20 comprises a so-called continuous auger 22 constituted by an intermediate guide tube or core tube 24 on the outer surface of which a feed helix 26 extends practically over its entire length. A cutting unit 28 for removing earth material is formed on the bottom end of the continuous auger 22 in a known ma...

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Abstract

The invention relates to a drilling rig and a drilling method, in which the drilling element is caused to rotate and is displaced along a mast by means of a drilling drive, which drilling element has a continuous screw auger disposed below the drilling drive, and an extension, which is connected to the continuous screw auger and extends upwardly through the drilling drive. According to the present invention, a displacement head is disposed between the continuous screw auger and the extension and is adapted to force earth material into the wall of a bore hole.

Description

technical field [0001] The invention relates to a drilling rig comprising a derrick, a drilling drive mounted for movement thereon, and a drilling element which can be rotatably driven and moved along the derrick by a drilling drive system, the drilling element comprising a A continuous auger below the drill drive system, and an extension connected to the continuous auger and extending upwardly through the drill drive. [0002] The present invention also relates to a drilling method, wherein the drilling element is rotatably driven by a drilling drive and moved along the derrick, the drilling element comprises a continuous auger arranged below the drilling drive, and connected to the continuous auger and via The extension that extends upwards from the drill drive. Background technique [0003] The use of so-called continuous auger drills for producing boreholes, and in particular for producing foundation elements, has been known for many years. In continuous auger drilling...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B7/00E21B3/02E21B43/00
CPCE21B7/005E21B7/265E02D5/34
Inventor E·E·斯托特泽W·J·哈索瑟
Owner BAUER MASCH GMBH