Title:
横引き検出装置及びクレーン
Document Type and Number:
Japanese Patent JP7167618
Kind Code:
B2
Abstract:
To provide a horizontal pulling detection device and a crane capable of preventing the breakage of a boom or a jib due to horizontal pulling movement in advance.SOLUTION: A horizontal pulling detection device 1A is mounted on a crane including a boom provided on a revolving superstructure, a jib provided on a tip end of the boom, and a hook connected with a wire rope that is wound up by a winch. The horizontal pulling detection device detects the horizontal pulling movement of a hoisted cargo hooked on the hook. The horizontal pulling detection device 1A includes a detection unit 41 for detecting pulling force that pulls the jib or the boon sideward, a determination unit 42 for determining that the hoisted cargo is pulled horizontally when the pulling force detected by the detection unit 41 exceeds an allowable value, and a notification unit 50 for providing a notification of the horizontal pulling movement of the hoisted cargo when the determination unit 42 determines the horizontal pulling movement.SELECTED DRAWING: Figure 4
Inventors:
Junya Adachi
Takayuki Miyajima
Takayuki Miyajima
Application Number:
JP2018196098A
Publication Date:
November 09, 2022
Filing Date:
October 17, 2018
Export Citation:
Assignee:
Tadano Co., Ltd.
International Classes:
B66C23/88
Domestic Patent References:
| JP58135095A | ||||
| JP2011131975A | ||||
| JP2013129500A | ||||
| JP50003268U | ||||
| JP48028546Y1 | ||||
| JP61154289U | ||||
| JP49022682Y1 | ||||
| JP5246686A | ||||
| JP51045137B2 |
Foreign References:
| US4752012 |
Attorney, Agent or Firm:
Kimura Mitsuru
Masanori Akiyama
Masanori Akiyama
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