Crane and super hoisting device thereof

A technology of super-lifting devices and cranes, which is applied to cranes and other directions, can solve the problems of poor anti-instability of the boom and achieve the effect of improving anti-instability

Active Publication Date: 2013-06-05
ZOOMLION HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to provide a crane and its super-lifting device to solve the problem that the opening angle of the super-lifting device in the prior art is fixed so that the anti-stabilization ability of the boom is poor

Method used

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  • Crane and super hoisting device thereof
  • Crane and super hoisting device thereof
  • Crane and super hoisting device thereof

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Embodiment Construction

[0024] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0025] As a first aspect of the present invention, a super-lifting device of a crane is provided. Such as figure 2 and image 3 As shown, the super-lifting device includes a base 10, the base 10 is connected with the boom 100 of the crane; a guide part 20, one end of the guide part 20 is connected with the base 10, and the guide part 20 includes an accommodating chamber 24 and is arranged in the accommodating The guide slots 23 on both sides of the chamber 24; the oil cylinder 30, the oil cylinder 30 is arranged in the accommodation chamber 24, the first end of the oil cylinder 30 is connected with the base 10; the mast 40, the first end of the mast 40 is pivotally connected with the base 10 Connection: connecting rod 50 , the first end of the co...

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PUM

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Abstract

The invention provides a crane and a super hoisting device thereof. The super hoisting device comprises a base, a guide part, an oil cylinder, masts and a connecting rod, wherein the base is connected with a crane arm of the crane; one end of the guide part is connected with the base, and the guide part comprises an accommodating cavity and guide grooves arranged at two sides of the accommodatingcavity; the oil cylinder is arranged in the accommodating cavity, and a first end of the oil cylinder is connected with the base; first ends of the masts are pivotably connected with the base; and a first end of the connecting rod is pivotably connected with the masts, and a second end of the connecting rod is pivotably connected with a second end of the oil cylinder through the guide grooves. According to the invention, the adjustment for the opening angle of the masts can be realized through the guide part and the oil cylinder arranged in the accommodating cavity of the guide part, thus theinstability-resisting capability of the crane arm is improved.

Description

technical field [0001] The invention relates to the field of cranes, and more specifically, to a crane and a super-lifting device thereof. Background technique [0002] figure 1 A schematic diagram of the installation of the super-lifting device and the boom in the prior art is shown. Such as figure 1 As shown, the superlift device comprises two angled masts 40 . The mast 40 is mounted on the base arm 101 of the jib 100, one end of the tensioning device 70 (such as a super-lifting wire rope) is connected to the end of the telescopic arm 102 of the jib 100, and the tensioning device 70 is passed around the free end of the mast 40 , the other end of the tensioning device 70 is connected to the bottom of the basic arm 101 . [0003] In the super-lifting device in the prior art, under different working conditions, the opening angle of the mast is fixed, and the height of the mast is also fixed. Therefore, under different load conditions, the super-lifting device in the prio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C23/72
Inventor 詹纯新刘权宁玮李孟寒王贵民肖玉明
Owner ZOOMLION HEAVY IND CO LTD
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