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Flexible lifting system for crane

A crane and flexible technology, applied in the field of flexible lifting system for cranes, can solve the problems that the wire rope cannot be found by the operators on the ground, reduce the lifting efficiency of the crane, and the lifting height of the crane is high, so as to improve the lifting efficiency, light weight, The effect of excellent bearing capacity

Active Publication Date: 2021-11-30
SHANDONG ROPE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wire rope is heavy, which occupies the lifting load of the crane to a certain extent, and correspondingly reduces the lifting efficiency of the crane.
At the same time, the wire rope is easy to rust and corrode, so it is not the best choice when the environment is humid, such as offshore lifting operations
At the same time, due to the high lifting height of the crane, when the wire rope is damaged, it cannot be found by the operators on the ground, which poses a safety hazard

Method used

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  • Flexible lifting system for crane

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041]figure 1 It is a structural schematic diagram of the flexible suspension rope disclosed in Example 1.

[0042] In Embodiment 1, the flexible suspension rope includes a control core 1 , a load-bearing layer 2 , a warning layer 3 and a protective layer 4 arranged in sequence from the inside to the outside. Among them, the control core 1 is braided by 32 polyester fiber strands, including 16 strands in the Z twist direction and 16 strands in the S twist direction. The diameter of the control core 1 is 3 mm, and the braiding pitch is 7 mm. The load-bearing layer 2 is formed by braiding 12 high-molecular-weight polyethylene fiber strands on the control core 1, including 6 strands of S-twisted strands and 6 strands of Z-twisted strands, and the diameter of the load-bearing layer 2 is 24mm; the warning layer 3 is formed by wrapping red non-woven fabric outside the load-bearing layer 2; the protective layer 4 is formed by weaving 48 strands of polyester fiber strands outside the...

Embodiment 2

[0044] In Embodiment 2, the flexible suspension rope includes a control core, a load-bearing layer, a warning layer and a protective layer arranged sequentially from the inside to the outside. Among them, the control core is braided by 32 polyester fiber strands, including 16 strands in the Z-twisting direction and 16 strands in the S-twisting direction. The diameter of the control core is 2 mm, and the braiding pitch is 4 mm; The force layer 2 is formed by braiding 12 strands of high molecular weight polyethylene fiber strands on the control core, including 6 strands of S-twisted strands and 6 strands of Z-twisted strands. The diameter of the load-bearing layer is 20mm; the warning layer It is formed by wrapping red non-woven fabric outside the load-bearing layer; the protective layer is formed by weaving 48 strands of polyester fiber strands outside the warning layer, including 24 strands of Z-twisted strands and 24 strands of S-twisted strands. The diameter of the flexible ...

Embodiment 3

[0046] In Embodiment 3, the flexible suspension rope includes a control core, a load-bearing layer, a warning layer and a protective layer arranged in sequence from the inside to the outside. Among them, the control core is braided by 32 polyester fiber strands, including 16 strands in the Z twist direction and 16 strands in the S twist direction. The diameter of the control core is 3 mm, and the braiding pitch is 7 mm; The force layer is formed by braiding 12 strands of high molecular weight polyethylene fiber strands on the control core 1, including 6 strands of S-twisted strands and 6 strands of Z-twisted strands. The diameter of the load-bearing layer is 24mm; the warning layer It is formed by wrapping orange non-woven fabric outside the load-bearing layer; the protective layer is formed by weaving 48 strands of polyester fiber strands outside the warning layer, including 24 strands of Z-twisted strands and 24 strands of S-twisted strands. The diameter of the flexible slin...

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Abstract

The invention discloses a flexible lifting system for a crane. The system comprises a flexible lifting rope, wherein the flexible lifting rope comprises a control core part, a force bearing layer, a warning layer and a protective layer which are sequentially arranged from inside to outside, and the control core part is formed by tightly weaving first chemical fibers; the force bearing layer is formed by weaving second chemical fibers outside the control core part; the warning layer is formed by wrapping the bearing layer with a warning material; and the protective layer is formed by weaving third chemical fibers outside the warning layer.

Description

technical field [0001] The application belongs to the technical field of cranes, and in particular relates to a flexible lifting system for cranes. Background technique [0002] Cranes have important applications in the engineering field, and traditional cranes are equipped with steel wire ropes as hoisting ropes. The wire rope is heavy, which occupies the lifting load of the crane to a certain extent, and correspondingly reduces the lifting efficiency of the crane. At the same time, the steel wire rope is easy to rust and corrode, so it is not the best choice when the environment is humid, such as offshore lifting operations. At the same time, due to the high hoisting height of the crane, when the wire rope is damaged, it cannot be found by the operators on the ground, and there is a potential safety hazard. Contents of the invention [0003] In view of this, some embodiments disclose a flexible lifting system for cranes, including a flexible sling, which includes a con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C1/12B66C15/06D07B1/02
CPCB66C1/122B66C15/06D07B1/02D07B2201/2057D07B2201/1036D07B2201/104D07B2201/2024
Inventor 李甜邱延平宋炳涛杨斌
Owner SHANDONG ROPE TECH CO LTD
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