JP5809788B2 - 地切り停止機構付き電動巻上機 - Google Patents

地切り停止機構付き電動巻上機 Download PDF

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Publication number
JP5809788B2
JP5809788B2 JP2010211557A JP2010211557A JP5809788B2 JP 5809788 B2 JP5809788 B2 JP 5809788B2 JP 2010211557 A JP2010211557 A JP 2010211557A JP 2010211557 A JP2010211557 A JP 2010211557A JP 5809788 B2 JP5809788 B2 JP 5809788B2
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detected
current value
hoisting
motor
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JP2012066893A (ja
Inventor
真弘 大槻
真弘 大槻
齋藤　和正
和正 齋藤
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Hitachi Industrial Equipment Systems Co Ltd
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Hitachi Industrial Equipment Systems Co Ltd
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Priority to JP2010211557A priority Critical patent/JP5809788B2/ja
Priority to CN201110189092.9A priority patent/CN102408064B/zh
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  • Control Of Electric Motors In General (AREA)
JP2010211557A 2010-09-22 2010-09-22 地切り停止機構付き電動巻上機 Active JP5809788B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010211557A JP5809788B2 (ja) 2010-09-22 2010-09-22 地切り停止機構付き電動巻上機
CN201110189092.9A CN102408064B (zh) 2010-09-22 2011-07-01 带离地停止功能的电动提升机

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JP2010211557A JP5809788B2 (ja) 2010-09-22 2010-09-22 地切り停止機構付き電動巻上機

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JP2012066893A JP2012066893A (ja) 2012-04-05
JP5809788B2 true JP5809788B2 (ja) 2015-11-11

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CN (1) CN102408064B (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6768183B2 (ja) * 2015-01-23 2020-10-14 株式会社五合 報知装置及び移動システム
JP6735712B2 (ja) * 2017-06-30 2020-08-05 株式会社日立産機システム 巻上機及び巻上機の過負荷検出方法
WO2020166688A1 (ja) * 2019-02-14 2020-08-20 株式会社タダノ 地切り判定装置、地切り制御装置、移動式クレーン、及び、地切り判定方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6050714B2 (ja) * 1977-10-07 1985-11-09 株式会社日立製作所 吊荷の地切り速度制御装置
JPS567889A (en) * 1979-06-26 1981-01-27 Shinko Electric Co Ltd Landing detector for grab backet
JPH0597387A (ja) * 1991-10-07 1993-04-20 Daido Steel Co Ltd クレーンによる巻上げ時の地切監視方法
JPH07144879A (ja) * 1993-11-18 1995-06-06 Mitsui Eng & Shipbuild Co Ltd タイヤ式クレーンの走行停止制御装置
JP3663638B2 (ja) * 1994-06-27 2005-06-22 松下電工株式会社 電動ドライバのトルク制御装置
JPH0826670A (ja) * 1994-07-11 1996-01-30 Tadano Ltd 移動式クレーン用フック位置算出装置に用いられる算出誤差警報装置
DE19645812C1 (de) * 1996-11-07 1998-02-26 Stahl R Foerdertech Gmbh Steuerungsanordnung mit Erkennung des Gewichts der Last
JP4068213B2 (ja) * 1998-05-12 2008-03-26 三菱電機株式会社 可変速巻上装置
JP2000229790A (ja) * 1999-02-08 2000-08-22 Hitachi Ltd 巻上機の運転制御装置
JP2003026388A (ja) * 2001-07-16 2003-01-29 Tcm Corp 橋型クレーン装置
JP2004244151A (ja) * 2003-02-13 2004-09-02 Ishikawajima Transport Machinery Co Ltd クレーンの吊下げ長さ測定方法及び装置
JP2009183124A (ja) * 2008-02-01 2009-08-13 Hitachi Industrial Equipment Systems Co Ltd インバータ装置及び電動巻上機

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CN102408064A (zh) 2012-04-11
CN102408064B (zh) 2016-01-13
JP2012066893A (ja) 2012-04-05

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