Title:
CRANE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/074069
Kind Code:
A1
Abstract:
Provided is a crane device with which it is possible for the workload involved in setting action information to decrease when general-purpose inverters are used, and with which it is moreover possible to easily confirm the action information. A crane device comprising a plurality of driving electric motors including at least a winding electric motor (3) and a movement electric motor (5), general-purpose inverters (16, 17) for controlling each of the driving electric motors, and a higher-level control means (30) that is connected to each of the inverters via a communication unit and that controls the inverters, wherein the higher-level control means (30) is provided with an action information conversion means (32) for converting action information so as to correspond to action information of each of the inverters.
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Inventors:
TAKEWAKI RYOYA (JP)
HORIKAWA KOUJI (JP)
OIKAWA YUGO (JP)
SHIODE KENICHI (JP)
OTSUKI MASAHIRO (JP)
TAGAMI TATSUYA (JP)
HORIKAWA KOUJI (JP)
OIKAWA YUGO (JP)
SHIODE KENICHI (JP)
OTSUKI MASAHIRO (JP)
TAGAMI TATSUYA (JP)
Application Number:
PCT/JP2022/028896
Publication Date:
May 04, 2023
Filing Date:
July 27, 2022
Export Citation:
Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (JP)
International Classes:
B66D1/46; B66C13/00; B66C13/46
Domestic Patent References:
| WO2019111441A1 | 2019-06-13 | |||
| WO2017138311A1 | 2017-08-17 |
Foreign References:
| JPH11215834A | 1999-08-06 | |||
| JP2005001804A | 2005-01-06 | |||
| JP2000247574A | 2000-09-12 | |||
| JP2009183124A | 2009-08-13 | |||
| JP2014050137A | 2014-03-17 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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