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Mast arrangement and method for connecting a tool unit to a mast carriage of a mast arrangement

A technology on tool units and brackets, applied in drilling equipment and methods, pipe elements, earth-moving drilling, etc., to achieve the effect of mechanical stress reduction and stable locking

Active Publication Date: 2015-07-29
BAUER MASCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, hydraulic connections must be made manually

Method used

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  • Mast arrangement and method for connecting a tool unit to a mast carriage of a mast arrangement
  • Mast arrangement and method for connecting a tool unit to a mast carriage of a mast arrangement
  • Mast arrangement and method for connecting a tool unit to a mast carriage of a mast arrangement

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Embodiment Construction

[0030] exist Figures 1 to 3The middle section and schematically shows a mast assembly 10 according to the invention. Basically a track-shaped mast guide 14 of a vertical mast 12 (only indicated and may be a guide for example) is shown. Along the mast guide 14 , a mast support 20 is displaceably supported on the mast 12 . Displacement may be achieved by means of a rope winch (not depicted) or hydraulic positioning cylinders. The mast 12 is fixed in a substantially vertical alignment on a non-depicted carrier of the construction machine, in particular for a special foundation construction.

[0031] In the illustrated embodiment a vibrator or vibration exciter is provided as tool unit 40, which is used to vibrate or push the sheet pile or metal pile into the ground. In order to convert the construction machine to this vibrator operation, the tool unit 40 is fastened to the mast guide 14 of the mast 12 . The tool unit 40 has a metal frame 42 which has a tool guide 46 on its s...

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PUM

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Abstract

The invention relates to a mast arrangement for a construction machine with a mast having a mast guide, along which a mast carriage is supported in a movable manner which is connected to a hydraulic source and has a first hydraulic coupling part for hydraulically connecting a tool unit to a hydraulic source on the mast carriage. According to the invention provision is made for the tool unit to have a tool guiding means, with which the tool unit can be fixed and positioned on the mast guide. On a frame of the tool unit a second hydraulic coupling part is arranged which corresponds to the first hydraulic coupling part of the mast carriage. Upon movement of mast carriage and tool unit towards each other along the mast guide the first hydraulic coupling part of the mast carriage can be linked up hydraulically to the second hydraulic coupling part on the tool unit. A locking means is provided which is spaced from the hydraulic coupling parts and has at least one hydraulically operable latch bolt, with which the frame of the tool unit can be connected mechanically to the mast carriage. The invention furthermore relates to a corresponding method for connecting the tool unit to the mast carriage.

Description

technical field [0001] The invention relates to a mast assembly for a construction machine according to the preamble of claim 1, having a mast with a mast guide along which a mast carriage is movably supported, The mast bracket is connected to a hydraulic source and has a first hydraulic coupling member to hydraulically connect the tool unit to the hydraulic source on the mast bracket. The invention also relates to a method for connecting a tool unit to a mast support of a mast assembly. Background technique [0002] A general mast assembly and a general method are available from eg EP 1 983 149 A2. Here, the so-called work implement support is suspended from the mast support by means of connecting bolts. Through the upward movement of the feeding bracket, the working device bracket is directly supported on the contact plate on the feeding bracket. In this mounting position, the implement support and the mast support can then be manually fastened by means of an additional...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B15/00E02D7/16
CPCE02F9/2271E21B7/02E02F3/3654E21B7/022Y10T29/494E21B7/023B60D1/64B60D1/62F16L39/00E02F9/2275
Inventor H-P.奥托W.克劳斯
Owner BAUER MASCH GMBH
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