IT979910B - Apparecchiatura elettronica di comando per elevatori meccanici - Google Patents

Apparecchiatura elettronica di comando per elevatori meccanici

Info

Publication number
IT979910B
IT979910B IT48896/73A IT4889673A IT979910B IT 979910 B IT979910 B IT 979910B IT 48896/73 A IT48896/73 A IT 48896/73A IT 4889673 A IT4889673 A IT 4889673A IT 979910 B IT979910 B IT 979910B
Authority
IT
Italy
Prior art keywords
electronic control
control equipment
mechanical lifts
lifts
mechanical
Prior art date
Application number
IT48896/73A
Other languages
English (en)
Original Assignee
Lucas Aerospace 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 Aerospace Ltd filed Critical Lucas Aerospace Ltd
Application granted granted Critical
Publication of IT979910B publication Critical patent/IT979910B/it

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)
  • Safety Devices In Control Systems (AREA)
  • Stopping Of Electric Motors (AREA)
  • Braking Arrangements (AREA)
  • Control And Safety Of Cranes (AREA)
IT48896/73A 1972-03-21 1973-03-20 Apparecchiatura elettronica di comando per elevatori meccanici IT979910B (it)

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
IT979910B true IT979910B (it) 1974-09-30

Family

ID=10018892

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48896/73A IT979910B (it) 1972-03-21 1973-03-20 Apparecchiatura elettronica di comando per elevatori meccanici

Country Status (6)

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

Families Citing this family (11)

* 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.
GB2082227B (en) * 1980-08-15 1984-03-07 Coal Industry Patents Ltd Brake equipment for underground mining machines
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
US10308230B2 (en) * 2015-11-13 2019-06-04 Igarashi Electric Works Ltd Electric parking brake device

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 (it) * 1968-11-29 1974-03-07

Also Published As

Publication number Publication date
GB1419641A (en) 1975-12-31
DE2313893A1 (de) 1973-10-04
FR2176986A1 (it) 1973-11-02
US3847251A (en) 1974-11-12
FR2176986B1 (it) 1977-12-30
JPS4912559A (it) 1974-02-04

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