Title:
OVERLOAD PREVENTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/085566
Kind Code:
A1
Abstract:
This overload prevention device is built into a crane that has a boom and that transports a suspended load, and comprises: a storage unit that stores a first threshold value that is set as the upper limit of a load that will not cause the crane to tip forward; and a control unit that performs overload prevention control, including control for stopping the operation of the boom and/or control for issuing an alarm, when a forward load that generates the forward moment acting on the boom is greater than the first threshold value.
Inventors:
ISHII MASAHIRO (JP)
Application Number:
PCT/JP2020/040711
Publication Date:
May 06, 2021
Filing Date:
October 29, 2020
Export Citation:
Assignee:
TADANO LTD (JP)
International Classes:
B66C23/90
Foreign References:
| JP2008105817A | 2008-05-08 | |||
| JP2017206384A | 2017-11-24 | |||
| JP2007314257A | 2007-12-06 | |||
| JPH08119582A | 1996-05-14 |
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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