Title:
WINCH CONTROL DEVICE AND CRANE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2024/057955
Kind Code:
A1
Abstract:
A controller (4) of this winch control device (10) performs: a first control for, when a winding operation is applied in a free mode, switching the mode of a brake device (6) from the free mode to a coupled mode; a second control for, when a winch operation member (25a) has returned to a neutral position, switching the mode from the coupled mode to the free mode such that an instruction for adjusting the secondary pressure of a brake power adjuster (2) to a set pressure (Pv1), which is higher than an operation amount correspondence pressure (Pv0) corresponding to the operation amount of a braking operation, is input into the brake power adjuster (2); and a third control for inputting into the brake power adjuster (2) an instruction for adjusting the secondary pressure of the brake power adjuster (2) to the operation amount correspondence pressure (Pv0).
Inventors:
KISHI TAKURO
Application Number:
PCT/JP2023/031821
Publication Date:
March 21, 2024
Filing Date:
August 31, 2023
Export Citation:
Assignee:
KOBELCO CONSTR MACH CO LTD (JP)
International Classes:
B66D5/26; B66D1/44; F16D65/28
Foreign References:
| JP2013116813A | 2013-06-13 | |||
| JP2018043824A | 2018-03-22 |
Attorney, Agent or Firm:
KOTANI, Masataka et al. (JP)
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