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Judging device and judging method of slewing overlapping area of ​​piling type slewing crane

A technology of overlapping areas and judging devices, applied in cranes, safety devices, transportation and packaging, etc., can solve the problems of pile-wound cranes not working properly, cable drag chains being damaged, etc., to ensure normal work and prevent damage.

Active Publication Date: 2019-01-15
WUHAN MARINE MACHINERY PLANT
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to solve the problem in the prior art that the pile-wrapping slewing crane exceeds its working range during the slewing process, causing damage to the cable drag chain, and thus causing the pile-wrapping crane to fail to work normally, the embodiment of the present invention provides a pile-wrapping slewing crane Judgment device and method for slewing overlapping area of ​​slewing crane

Method used

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  • Judging device and judging method of slewing overlapping area of ​​piling type slewing crane
  • Judging device and judging method of slewing overlapping area of ​​piling type slewing crane
  • Judging device and judging method of slewing overlapping area of ​​piling type slewing crane

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Embodiment Construction

[0046] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0047] In order to better understand the present invention, the structure of the pile-encircling slewing crane is briefly described below:

[0048] figure 1 It is a top view of a pile-encircling slewing crane provided by an embodiment of the present invention, as shown in figure 1 As shown, the slewing crane around the pile mainly includes a base column 1, a slewing platform 2 and a lifting mechanism (not shown in the figure), the slewing platform 2 is rotatably arranged on the base column 1, and the lifting mechanism is arranged on the slewing platform 2 , the middle part of the base column 1 and the middle part of the revolving platform 2 all leave enough space to make the legs 3 pass therethrough. The rotation range of the rotary ...

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Abstract

The invention discloses a judging device and a judging method for a revolution overlapping area of a pile-surrounding-type revolution crane, belonging to the field of cranes. The judging device comprises a detection module and a logic module; the detection module is used for detecting different working states of a revolving platform and emitting signals; and the logic module is used for judging the working states of the revolving platform according to the signals detected by the detection module. According to the judging device and the judging method, by detecting the working states of the revolving platform, the working states of the revolving platform are accurately acquired; the condition that the revolving platform exceeds a revolving range during a revolving process is avoided, and thus damage to cable drag chains is prevented; and normal work of the pile-surrounding-type revolution crane is ensured.

Description

technical field [0001] The invention relates to the field of hoisting machinery, in particular to a judging device and judging method for the slewing overlapping area of ​​a pile-wrapping slewing crane. Background technique [0002] Pile-encircling slewing cranes are usually installed on the legs of offshore platforms, and are widely used because of their small platform space, compact structure, large lifting capacity, and long lifting radius. The pile-wound slewing crane mainly includes a base column, a slewing platform and a lifting mechanism. The slewing platform is rotatably set on the base column, and the lifting mechanism is set on the slewing platform. There is enough space in the middle of the base column and the middle of the slewing platform. Allow the legs to pass through. [0003] For general full-slewing cranes, a slip ring box is usually installed in the middle of the crane to ensure its full 360-degree rotation. For the slewing crane around the pile, because ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C23/94B66C15/06
CPCB66C15/06B66C23/94
Inventor 吴健胡屾张胜高李杨
Owner WUHAN MARINE MACHINERY PLANT
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