Folding pinnacle bending device

A bending device and folding technology, applied in the direction of cranes, etc., to achieve cost-saving effects

Inactive Publication Date: 2007-12-12
MANITOWOC CRANE GROUP FRANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the invention is to use the adjustment device to adjust the angle of the folding top can be done easily and safely

Method used

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  • Folding pinnacle bending device
  • Folding pinnacle bending device
  • Folding pinnacle bending device

Examples

Experimental program
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Embodiment Construction

[0021] Figures 4 and 5 compare an expensive embodiment of a bending device comprising a hydraulic cylinder in the prior art (see Figure 4) with an embodiment of the invention. FIG. 4 shows the joint area 9 ′ of the folding top, wherein a hydraulic cylinder 17 is arranged between two joints on the underside on which there is a pressure load. In order to simplify the described - i.e. as described above - expensive and complex embodiment, and to provide a cost-effective alternative, a telescoping tube 7 is used in the present invention (see FIG. 5 ) instead of the hydraulic cylinder . However, all remaining elements of the folding top and / or joint area 9 can continue to be used. The upper part of the folding top extends to the right in FIG. 5 and pivots around the joint 8 so that an angle can be adjusted, which is preset by the length of the telescopic tube 7, wherein once the support elements (these When described later), the base tube 7a and the piston tube 7b of the telescop...

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PUM

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Abstract

The invention relates to a folding pinnacle bending device for a mobile crane (20), comprising a joint area (9) which is bent in order to adjust the angle of the folding pinnacle (10) and which comprises a joint (8) in its upper or tensile load area, wherein the joint area (9) comprises a mechanically fixable telescoping means (7) in its lower or pressure load area.

Description

technical field [0001] The invention relates to a folding pinnacle bending device suitable for a mobile crane. This folding top is used as a jib extension on mobile cranes. For a crane of the same size, to achieve greater overhang - eg beyond the edge of a building - the folding top must be bent. This use is shown in Figure 1. In order to be able to operate above the upper edge of a high-rise building 30, the mobile crane 20 has a folding top 10 which is fastened to its outermost part and which can be bent by means of a bending device 9 so that Gets the overhang beyond the edge of the building. Background technique [0002] In the prior art, two different types of folding top curves are known. These bending devices are on the one hand mechanically adjustable rods in the upper area of ​​the joint area or in the tensile load area and on the other hand hydraulic cylinder bending devices in the lower area of ​​the joint area or in the pressure area. [0003] Figure 2 shows ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C23/68B66C23/42B66C23/70
CPCB66C23/702
Inventor 扬·欣里希斯迪特尔·施图尔沃尔德特
Owner MANITOWOC CRANE GROUP FRANCE
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