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Drilling apparatus and method for introducing a drilling element into the soil

A kind of equipment, soil technology, applied in the field of rotary drive device, to achieve the effect of good torque transmission

Inactive Publication Date: 2007-06-06
BAUER MASCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Drilling rig drives are designed for the expected maximum torque and therefore drive constitutes the largest cost factor in drilling rigs

Method used

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  • Drilling apparatus and method for introducing a drilling element into the soil
  • Drilling apparatus and method for introducing a drilling element into the soil
  • Drilling apparatus and method for introducing a drilling element into the soil

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Embodiment Construction

[0029] The drilling rig 10 according to the invention shown in FIG. 1 has a drilling carriage 20 designed as a crawler, on which a drilling frame 14 is articulated, which can be moved between a horizontal transfer position and the shown vertical working position. Pivot. The drill frame 14 is pivotable in a known manner by means of hydraulic cylinders and is configured as a so-called guide rod with a fixed drill frame base 16 on which the Movable drill stand 15.

[0030] A rotary drive 12 is slidably supported on the movable drill stand 15 via a feed drive 26 , which is used to drive a drilling element, not shown here. At the lower end of the drill stand 14 is fixed a turning device 30 for a torque stiffener, which will be described in more detail below.

[0031] In FIG. 3 the rotary device 30 is shown with a collet 32 ​​which encloses a drilling element 50 . The collet 32 ​​shown in FIG. 3 is in a freely movable position, wherein the collet is spaced apart from all sides of...

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PUM

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Abstract

The invention relates to a drilling apparatus and a method for introducing a drilling element into the soil. The drilling element is rotatably and slidably supported on a mast, with a torque being applied through a rotary drive located on the mast. In order to support the torque, an additional turning device is fixed to the mast, which can be engaged with the driven drilling element.

Description

technical field [0001] The present invention relates to a drilling apparatus for introducing a drilling element into soil, comprising: a rotary drive device supported on a drill frame to guide a drilling element rotatably and slidably arranged on the drill frame; and Rotary device, which has a collet that can be rotated by at least one working cylinder. [0002] The invention also relates to a method for introducing a drilling element into the soil, wherein the drilling element is rotatable by a rotary drive and is slidable along a drill stand. Background technique [0003] Various earth-boring machines are known in the prior art, which are used in particular in specialist ground engineering for ground surveying. With these earth-boring machines it is possible to obtain a borehole by means of a drilling tool, which is then filled, for example, with concrete in order to produce the foundation pile. Furthermore, anchor bolts or auger-drilled piles with screw tips can also be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B3/00E02D5/22E02D5/36E02D5/56E02D7/22E21B3/02E21B3/03
CPCE21B3/03E02D7/22E21B3/02E02D5/56E02D5/36E21B3/022
Inventor W·哈陶泽尔
Owner BAUER MASCH GMBH