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Patent Searching and Data


Title:
METHOD FOR CONTROLLING CRANE, AND CRANE
Document Type and Number:
WIPO Patent Application WO/2019/069991
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a method for controlling a crane, with which the position of a hook is automatically adjusted before lift-off. To that end, provided is a control method for controlling a crane where a freely-derricking telescopic boom 8 is provided to a swivel base, a main hook 10a is suspended with a main wire rope 14 from a distal end section of the telescopic boom 8, and a suspended load W is suspended on a main hook 10a with slinging wire ropes 100, 101, wherein post-slinging lift-off is preceded by a hook position adjustment control involving repeating: a first process where the control device controls so as to reel in the main wire rope 14 to a position where the main wire rope 14 is tensed; and a second process where the control device controls so as to move the distal end section of the telescopic boom 8 in the same direction of a horizontal direction component V2 of the movement of the main hook 10a in the first process.

Inventors:
KANDA SHINSUKE (JP)
NISHIMOTO SHOJI (JP)
MIZUKI KAZUMA (JP)
Application Number:
PCT/JP2018/037072
Publication Date:
April 11, 2019
Filing Date:
October 03, 2018
Export Citation:
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Assignee:
TADANO LTD (JP)
International Classes:
B66C23/00; B66C13/16; B66C13/18; B66C13/22
Foreign References:
JP2010235249A2010-10-21
JP2006056617A2006-03-02
JP2005306602A2005-11-04
JPH0776490A1995-03-20
JP2002362880A2002-12-18
Other References:
See also references of EP 3693322A4
Attorney, Agent or Firm:
YANO INTERNATIONAL PATENT ATTORNEYS OFFICE, P.C. (JP)
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