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Folded top hinge block and method for installing same

A hinged block, longitudinal direction technology, applied in cranes and other directions, to achieve the effect of improving the installation method

Active Publication Date: 2018-02-02
LIEBHERR WERK EHINGEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of the installation from the prior art exemplified here is that a large space is necessarily required for the pivoting of the top boom about a vertical axis of rotation, but such a large space is not mandatory at every location of use. space

Method used

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  • Folded top hinge block and method for installing same
  • Folded top hinge block and method for installing same
  • Folded top hinge block and method for installing same

Examples

Experimental program
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Effect test

Embodiment Construction

[0044] The principle sequence of the installation of the folding top is explained below by description according to the sequence of the drawings. According to the invention, the folding top is continuously hydraulically guided here, which contributes to reducing the probability of failure. Furthermore, during the transition between the transport position and the working position, the folding top is permanently connected to the main boom by means of a hinged connection (support 41 or pivot axis 33 ).

[0045] exist Figure 1a The folding top 40 can be seen in , which is arranged laterally offset from the main boom 30 of the mobile crane 100 . Here, the folding top 40 is suspended on two supports 41 , which are used to pivot the folding top 40 upwards by 180 degrees and to place the folding top 40 on the main boom 30 . The main boom 30 may in particular be a telescoping main boom. The folding top 40 is also fixed in position on the upper side of the main boom 30 by brackets 41...

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Abstract

The present invention relates to a folded top hinge block for pivoting a pivotable folding top to a working position, comprising: a base frame having a detachable fastener for fixed mounting to a maincantilever; and an adjustable cylinder, which is pivotally connected at its base by one of its ends; a middle frame, which is pivotally connected at the first section at the base frame, wherein the other end of the cylinder is adjusted to the middle frame. The second section is pivotably connected, and all the pivotable connections of the intermediate frame and the adjustment cylinder have pivotaxes that are parallel to each other, wherein the intermediate frame is pivotally connected with the steering rod and the lockable telescopic rod is pivotablely arranged at one of the two end sectionsof the steering rod, the telescopic rod is pivotally connected to the base frame by its end spaced from the steering rod, and in both end sections of the steering rod The other end section is pivotally connected with the linkage assembly.

Description

technical field [0001] The present invention relates to a folding top hinge block and a method for mounting a folding top. Background technique [0002] In certain types of cranes, the top jib is usually fixed on the roller head of the telescoping main jib. Here, the top boom is usually not as telescopic as the main boom itself. Instead, during the assembly of the crane, it is necessary to arrange the top jib onto the roller head of the main jib. In working operation, the top boom is tilted relative to the main boom. [0003] For example, mobile cranes are known from the prior art, which, in the transport position, have a top jib flanked by a horizontally arranged main jib. In order to arrange the top boom on the roller head of the main boom, the top boom is usually bolted to the roller head so that it can pivot forward about a vertical axis from the transport position. After pivoting, the longitudinal axes of the top boom and the main boom are substantially the same. I...

Claims

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Application Information

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IPC IPC(8): B66C23/62B66C23/68B66C23/70B66C23/82
CPCB66C23/62B66C23/68B66C23/70B66C23/82B66C23/702
Inventor C·登泽
Owner LIEBHERR WERK EHINGEN
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