DK281988A - Beskyttelse mod overbelastning - Google Patents

Beskyttelse mod overbelastning

Info

Publication number
DK281988A
DK281988A DK281988A DK281988A DK281988A DK 281988 A DK281988 A DK 281988A DK 281988 A DK281988 A DK 281988A DK 281988 A DK281988 A DK 281988A DK 281988 A DK281988 A DK 281988A
Authority
DK
Denmark
Prior art keywords
protection against
against overload
overload
protection
Prior art date
Application number
DK281988A
Other languages
English (en)
Other versions
DK281988D0 (da
Inventor
Tommy Ragnar Svedlund
Bjoern Olverud
Original Assignee
Ssab Svenskt Stal Ab
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 Ssab Svenskt Stal Ab filed Critical Ssab Svenskt Stal Ab
Publication of DK281988D0 publication Critical patent/DK281988D0/da
Publication of DK281988A publication Critical patent/DK281988A/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/54—Safety gear
    • B66D1/58—Safety gear responsive to excess of load
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/14—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of excessive loads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • B66D1/40—Control devices
    • B66D1/42—Control devices non-automatic
    • B66D1/46—Control devices non-automatic electric
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0061—Force sensors associated with industrial machines or actuators
    • G01L5/0071—Specific indicating arrangements, e.g. of overload
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Control And Safety Of Cranes (AREA)
  • Jib Cranes (AREA)
  • Control Of Electric Motors In General (AREA)
  • Amplifiers (AREA)
  • Control Of Eletrric Generators (AREA)
  • Heat Treatment Of Steel (AREA)
DK281988A 1986-09-26 1988-05-24 Beskyttelse mod overbelastning DK281988A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8604084A SE454625B (sv) 1986-09-26 1986-09-26 Sett jemte en anordning for att indikera overlast redan vid lyftets start vid lyft i wireupphengd lyftanordning
PCT/SE1987/000433 WO1988002478A1 (en) 1986-09-26 1987-09-25 Overload protection

Publications (2)

Publication Number Publication Date
DK281988D0 DK281988D0 (da) 1988-05-24
DK281988A true DK281988A (da) 1988-05-24

Family

ID=20365720

Family Applications (1)

Application Number Title Priority Date Filing Date
DK281988A DK281988A (da) 1986-09-26 1988-05-24 Beskyttelse mod overbelastning

Country Status (6)

Country Link
US (1) US5039028A (da)
EP (1) EP0402353A1 (da)
AU (1) AU8023887A (da)
DK (1) DK281988A (da)
SE (1) SE454625B (da)
WO (1) WO1988002478A1 (da)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1181608B (it) * 1985-03-15 1987-09-30 Texas Instruments Italia Spa Salvamotore sensibile alla corrente ed alla temperatura e motore che lo incorpora,in particolare per compressori di frigoriferi e simili
FR2663473A1 (fr) * 1990-06-19 1991-12-20 Systemes Productiques Ingenier Dispositif et procede de limitation de charge pour appareil mecanique ou similaire, utilisant au moins un organe moteur de type electrique.
IL124932A0 (en) * 1998-06-16 1999-01-26 Mea Motor Inspection Ltd Method and apparatus for testing rotating machines
DE20003513U1 (de) * 2000-02-28 2001-07-26 Wirth Co Kg Masch Bohr Hebewerk
FI20001904A0 (fi) 2000-08-29 2000-08-29 Kci Kone Cranes Int Oy Menetelmä ja laitteisto nostimen kuorman mittaamiseksi
US7004456B2 (en) 2002-10-03 2006-02-28 Key Energy Services, Inc. Engine speed limiter for a hoist
US6898983B2 (en) * 2002-11-12 2005-05-31 Key Energy Services, Inc. Mechanical multiplier for a strain gage on a derrick
US7226037B2 (en) * 2004-08-25 2007-06-05 Key Energy Services, Inc. System for assuring engagement of a hydromatic brake on a drilling or well service rig
EP2357724B1 (en) * 2009-12-01 2012-02-22 Konecranes Plc Motor control system for a hoist drive
CL2012003338A1 (es) * 2011-11-29 2013-10-04 Harnischfeger Tech Inc Metodo para controlar una operacion de excavacion de una maquina industrial que incluye un cucharon, un cable de elevacion unido al cucharon, un motor de evaluacion moviendo el cable de elevacion y el cucharon, y un ordenador que tiene un controlador; y maquina industrial asociada
CN102774720B (zh) * 2012-08-16 2016-09-14 哈尔滨市机电类特种设备监督检验研究院 电梯超载保护方法
US9598269B2 (en) * 2014-04-04 2017-03-21 David R. Hall Motorized lifting device with a grooved drum for lifting a load and determining a weight of the load while lifting
US9567195B2 (en) * 2013-05-13 2017-02-14 Hall David R Load distribution management for groups of motorized lifting devices
JP2019202837A (ja) * 2018-05-22 2019-11-28 株式会社ミツバ 電動ウィンチの制御装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019640A (en) * 1959-10-27 1962-02-06 Binns Jack N Method of and means for measuring torque of an electric motor drive
US3278160A (en) * 1963-09-23 1966-10-11 Sallow Karl Ake Automatic electrical controls for a winch, capstan or the like
SE325684B (da) * 1967-11-06 1970-07-06 Asea Ab
US4434971A (en) * 1981-02-11 1984-03-06 Armco Inc. Drilling rig drawworks hook load overspeed preventing system
US4490656A (en) * 1983-06-30 1984-12-25 The Singer Company Overload protection in a motor control system
US4550277A (en) * 1984-09-24 1985-10-29 Black & Decker Inc. Overload detection and warning system for electric motors in power tools and the like

Also Published As

Publication number Publication date
SE454625B (sv) 1988-05-16
AU8023887A (en) 1988-04-21
EP0402353A1 (en) 1990-12-19
WO1988002478A1 (en) 1988-04-07
DK281988D0 (da) 1988-05-24
US5039028A (en) 1991-08-13
SE8604084D0 (sv) 1986-09-26
SE8604084L (sv) 1988-03-27

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Legal Events

Date Code Title Description
ATS Application withdrawn