GB1419641A - Control apparatus for a powered hoist - Google Patents

Control apparatus for a powered hoist

Info

Publication number
GB1419641A
GB1419641A GB1321372A GB1321372A GB1419641A GB 1419641 A GB1419641 A GB 1419641A GB 1321372 A GB1321372 A GB 1321372A GB 1321372 A GB1321372 A GB 1321372A GB 1419641 A GB1419641 A GB 1419641A
Authority
GB
United Kingdom
Prior art keywords
brake
drum
torque
signal
turbine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1321372A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lucas Industries Ltd filed Critical Lucas Industries Ltd
Priority to GB1321372A priority Critical patent/GB1419641A/en
Priority to IT48896/73A priority patent/IT979910B/it
Priority to US00343047A priority patent/US3847251A/en
Priority to DE2313893A priority patent/DE2313893A1/de
Priority to FR7310082A priority patent/FR2176986B1/fr
Priority to JP48033074A priority patent/JPS4912559A/ja
Publication of GB1419641A publication Critical patent/GB1419641A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/22—Control systems or devices for electric drives
    • B66C13/23—Circuits for controlling the lowering of the load

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Control And Safety Of Cranes (AREA)
  • Braking Arrangements (AREA)
  • Safety Devices In Control Systems (AREA)
  • Stopping Of Electric Motors (AREA)
GB1321372A 1972-03-21 1972-03-21 Control apparatus for a powered hoist Expired GB1419641A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB1321372A GB1419641A (en) 1972-03-21 1972-03-21 Control apparatus for a powered hoist
IT48896/73A IT979910B (it) 1972-03-21 1973-03-20 Apparecchiatura elettronica di comando per elevatori meccanici
US00343047A US3847251A (en) 1972-03-21 1973-03-20 Control apparatus for a powered hoist
DE2313893A DE2313893A1 (de) 1972-03-21 1973-03-20 Regelvorrichtung fuer angetriebenes hebezeug
FR7310082A FR2176986B1 (de) 1972-03-21 1973-03-21
JP48033074A JPS4912559A (de) 1972-03-21 1973-03-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1321372A GB1419641A (en) 1972-03-21 1972-03-21 Control apparatus for a powered hoist

Publications (1)

Publication Number Publication Date
GB1419641A true GB1419641A (en) 1975-12-31

Family

ID=10018892

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1321372A Expired GB1419641A (en) 1972-03-21 1972-03-21 Control apparatus for a powered hoist

Country Status (6)

Country Link
US (1) US3847251A (de)
JP (1) JPS4912559A (de)
DE (1) DE2313893A1 (de)
FR (1) FR2176986B1 (de)
GB (1) GB1419641A (de)
IT (1) IT979910B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2489409A1 (fr) * 1980-08-15 1982-03-05 Coal Industry Patents Ltd Equipement de freinage pour machines de mines souterraines

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2033511B (en) * 1978-11-10 1982-09-02 Coal Industry Patents Ltd Brake control equipment for a vehicle with drive means
CH652995A5 (de) * 1980-04-21 1985-12-13 Inventio Ag Aufzugsantrieb mit anfahrsteuerung.
AU580453B2 (en) * 1985-11-04 1989-01-12 Johns Perry Industries Pty. Ltd. Lift sheave
JPH0789750B2 (ja) * 1986-04-10 1995-09-27 株式会社安川電機 クレ−ン用ｖ／ｆインバ−タ制御方法
US4754850A (en) * 1987-07-29 1988-07-05 Westinghouse Electric Corp. Method for providing a load compensation signal for a traction elevator system
US4793442A (en) * 1987-11-05 1988-12-27 Schindler Elevator Corporation Method and apparatus for providing pre-travel balancing energy to an elevator drive
US6758356B1 (en) * 1989-10-10 2004-07-06 Manitowoc Crane Companies, Inc. Liftcrane with synchronous rope operation
US5424498A (en) * 1993-03-31 1995-06-13 Otis Elevator Company Elevator start jerk removal
CN102408065B (zh) * 2011-10-28 2014-07-23 上海三一科技有限公司 多卷扬同步控制装置及控制方法及包括该装置的起重机
CN108430843A (zh) * 2015-11-13 2018-08-21 株式会社五十岚电机制作所 电动驻车制动装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB927494A (en) * 1959-09-02 1963-05-29 Inventio Ag Improvements in or relating to starting arrangements of electric drives with mechanical holding brakes
CH429904A (de) * 1965-04-01 1967-02-15 Inventio Ag Anordnung zur Erzielung eines ruckfreien Anfahrens bei einem elektrischen Antrieb mit mechanischer Haltebremse
US3510107A (en) * 1968-01-11 1970-05-05 United Aircraft Corp Multiple hoist synchronization system
JPS499858B1 (de) * 1968-11-29 1974-03-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2489409A1 (fr) * 1980-08-15 1982-03-05 Coal Industry Patents Ltd Equipement de freinage pour machines de mines souterraines

Also Published As

Publication number Publication date
FR2176986A1 (de) 1973-11-02
JPS4912559A (de) 1974-02-04
IT979910B (it) 1974-09-30
US3847251A (en) 1974-11-12
FR2176986B1 (de) 1977-12-30
DE2313893A1 (de) 1973-10-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee