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Vehicle crane

A technology of truck cranes and truck cranes, applied in the field of truck cranes

Inactive Publication Date: 2007-11-07
MANITOWOC CRANE GROUP GERMANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007]The problem with the construction of wind power plants with the aid of cranes is the resulting logistical costs and in particular the concomitant consequences of damage to the road surface which is practically unavoidable Because of the high cost of building the existing truck cranes that are necessary for the construction of large wind power plants, many individual heavy parts must currently be transported to the mostly remote installation sites of wind power plants due to the huge overall crane weight

Method used

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Embodiment Construction

[0059] Figure 1 shows a part of the truck crane according to the invention in three different views. The part shown in Fig. 1 is a component part of the first transport unit that allows road transport, and it comprises a saddle tractor not shown and a front sub-chassis 23a and a front sub-chassis 23a that can be connected on the saddle tractor with a belt. The chassis of the rear sub-chassis 23b. A pot-shaped tower support 21 , which connects the two sub-chassis 23 a , 23 b to one another, is fixedly incorporated in the chassis.

[0060] The tower support 21, which is equipped with a plurality of connecting points 41 for mounting the tower support which will be explained in more detail below, is used to support the lower end of a tower 11 which is shown in FIG. 1 in its lying down transport position. In this transport position, the tower 11 extends laterally beyond the tower support 21 and rests on the chassis 23a, 23b.

[0061] The tower 11 is telescopic and comprises five ...

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Abstract

The vehicle-mounted crane has a body constructed as a top revolving structure with a vertical tower (11) and a jib (13) on the tower and inclined in relation to it. The jib is length-variable, preferably telescopic, and / or adjustable in angle relative to the tower. The natural weight of the tower is provided as a counterweight. A support is provided for the tower and comprises preferably a number of ground supports distributed around the tower. The natural weight of the tower and support are matched in such a way that no additional counterweight is necessary.

Description

technical field [0001] The invention relates to a truck crane, especially a mobile crane, truck crane or crawler crane. Background technique [0002] In crane technology, according to the commonly used classification, it can be divided into tower jib crane or tower crane and truck crane. [0003] Tower jib cranes have a vertical tower standing on a foundation, which is usually designed as a truss structure, and although it can be moved on a construction site, for example by means of a track running gear, it is not designed to be used on ordinary roads. vehicles traveling on it. The truck cranes are self-propelled road vehicles, and they are considered for mobile applications. [0004] The car crane is composed of a lower car including a chassis and an upper car that can rotate on the lower car, and it includes a rotating mechanism and a cantilever. The cantilever can be designed as a box structure telescopic cantilever or as a truss tower cantilever. [0005] Higher and ...

Claims

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Application Information

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IPC IPC(8): B66C23/34B66C23/74B66C23/82B66C23/78
CPCB66C23/342B66C23/348B66C23/82B66C23/78B66C23/185B66C23/74B66C23/344B66C23/36B66C23/34
Inventor T·维斯鲍尔
Owner MANITOWOC CRANE GROUP GERMANY
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