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Crane

A technology for cranes and jibs, applied to cranes, clockwork mechanisms, load suspension components, etc., can solve problems such as complex crane structures, and achieve the effect of improving the number of parts

Pending Publication Date: 2021-08-13
XUZHOU HEAVY MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The present invention aims to provide a crane to improve the problem of complex structure of the crane in the related art

Method used

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Embodiment Construction

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0043] combine figure 2 and 3 As shown, the crane in this embodiment includes a load bearing part 4 , a jib 5 , a superlift jib frame 3 , a superlift drum 6 and a superlift wire rope 1 . The boom 5 is installed on the bearing part 4 in a pitch-swing manner; the super-lift jib frame 3 is connected ...

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Abstract

The invention relates to a crane. The crane comprises a bearing part (4), a lifting arm (5), a super-lifting arm frame (3), a super-lifting winding drum (6) and a super-lifting steel wire rope (1), wherein the lifting arm (5) can be installed on the bearing part (4) in a pitching and swinging mode; the super-lifting arm frame (3) is connected with the lifting arm (5); the super-lifting winding drum (6) is installed on the super-lifting arm frame (3); and one end of the super-lifting steel wire rope (1) is connected with the super-lifting winding drum (6), the other end of the super-lifting steel wire rope (1) is connected with the lifting arm (5) or is connected with the super-lifting arm frame (3) after bypassing a pulley (13) installed on the lifting arm (5), and the super-lifting steel wire rope (1) is configured to be tensioned only under driving of the super-lifting winding drum (6). The problems of excessive parts, a complex structure and a high cost of a crane in the prior art are solved.

Description

technical field [0001] The invention relates to the field of engineering machinery, in particular to a crane. Background technique [0002] With the continuous development of social science and technology, construction cranes as major equipment are widely used, and their use in wind power projects and large petrochemical projects is increasing day by day. As a key component of a crane, the superlift device plays an important role in improving its performance. Before the crane lifts the weight, it is necessary to tension the super-lifting wire rope first, so that the boom is in a state of tension, so as to maximize the lifting performance. Therefore, the tensioning technology of super-lifting wire rope has increasingly become a key technology for crane performance improvement, crane technology level and user experience, and has been highly valued and deeply studied by various crane manufacturers. [0003] figure 1 A structural schematic diagram of a jib and a super-lifting...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/72B66C23/74B66C13/16B66D1/50B66D1/08
CPCB66C23/72B66C23/74B66C13/16B66D1/50B66D1/08
Inventor 房磊秦小虎付玉琴赵瑞学杜园王坤
Owner XUZHOU HEAVY MASCH CO LTD
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