EP3847119A4 - A mechanism for a safety device for a lift car, a safety device for protecting against unintended car movement of a lift car and a safety arrangement for a lift system - Google Patents

A mechanism for a safety device for a lift car, a safety device for protecting against unintended car movement of a lift car and a safety arrangement for a lift system Download PDF

Info

Publication number
EP3847119A4
EP3847119A4 EP19857563.1A EP19857563A EP3847119A4 EP 3847119 A4 EP3847119 A4 EP 3847119A4 EP 19857563 A EP19857563 A EP 19857563A EP 3847119 A4 EP3847119 A4 EP 3847119A4
Authority
EP
European Patent Office
Prior art keywords
car
lift
safety device
safety
lift car
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.)
Pending
Application number
EP19857563.1A
Other languages
German (de)
French (fr)
Other versions
EP3847119A1 (en
Inventor
Henrik LINDSTRÖM
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.)
Alimak Group Sweden AB
Original Assignee
Alimak Group Sweden 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 Alimak Group Sweden AB filed Critical Alimak Group Sweden AB
Publication of EP3847119A1 publication Critical patent/EP3847119A1/en
Publication of EP3847119A4 publication Critical patent/EP3847119A4/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/044—Mechanical overspeed governors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars
    • B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
    • B66B11/0293—Suspension locking or inhibiting means to avoid movement when car is stopped at a floor
    • 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
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/048—Testing of overspeed governor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/024—Braking members; Mounting thereof the braking surface being inclined with respect to the rotor's axis of rotation at an angle other than 90 degrees, e.g. comprising a conical rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2129/00—Type of operation source for auxiliary mechanisms
    • F16D2129/04—Mechanical
    • F16D2129/043—Weights

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Braking Arrangements (AREA)
  • Emergency Lowering Means (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP19857563.1A 2018-09-07 2019-09-05 A mechanism for a safety device for a lift car, a safety device for protecting against unintended car movement of a lift car and a safety arrangement for a lift system Pending EP3847119A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1851064A SE542493C2 (en) 2018-09-07 2018-09-07 A mechanism for a safety device for a lift car, a safety device for protecting against unintended car movement of a lift car and a safety arrangement for a lift system
PCT/SE2019/050833 WO2020050768A1 (en) 2018-09-07 2019-09-05 A mechanism for a safety device for a lift car, a safety device for protecting against unintended car movement of a lift car and a safety arrangement for a lift system

Publications (2)

Publication Number Publication Date
EP3847119A1 EP3847119A1 (en) 2021-07-14
EP3847119A4 true EP3847119A4 (en) 2022-09-07

Family

ID=69721707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19857563.1A Pending EP3847119A4 (en) 2018-09-07 2019-09-05 A mechanism for a safety device for a lift car, a safety device for protecting against unintended car movement of a lift car and a safety arrangement for a lift system

Country Status (3)

Country Link
EP (1) EP3847119A4 (en)
SE (1) SE542493C2 (en)
WO (1) WO2020050768A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3415343A (en) * 1967-04-18 1968-12-10 Alimak Verken Ab Catch apparatus for the cages of scaffold elevators and the like
DE2753079A1 (en) * 1977-11-29 1979-05-31 Elba Werk Maschinen Gmbh & Co CATCHING DEVICE FOR ELEVATORS, IN PARTICULAR SUCH WITH RACK DRIVE
US20080149431A1 (en) * 2005-06-23 2008-06-26 Teuvo Vantanen Method and appliance for tripping the safety gear of an elevator
WO2010023745A1 (en) * 2008-08-28 2010-03-04 三菱電機株式会社 Elevator speed governor
EP2380840A1 (en) * 2009-01-20 2011-10-26 Mitsubishi Electric Corporation Safety device for elevator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI95021C (en) * 1993-06-08 1995-12-11 Kone Oy Method and apparatus for triggering an elevator gripping device
WO2007122282A1 (en) * 2006-04-20 2007-11-01 Kone Corporation Elevator
JP5157648B2 (en) * 2008-05-30 2013-03-06 フジテック株式会社 Elevator governor
US20150014100A1 (en) * 2012-03-06 2015-01-15 Mitsubishi Electric Corporation Elevator governor and elevator device
DE102012016336A1 (en) * 2012-08-20 2014-02-20 Bode Components Gmbh Speed limiter for safety gear of elevator car for elevator system, has limiter wheel, in which rope of elevator system is performed, where locking unit is connected with limiter wheel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3415343A (en) * 1967-04-18 1968-12-10 Alimak Verken Ab Catch apparatus for the cages of scaffold elevators and the like
DE2753079A1 (en) * 1977-11-29 1979-05-31 Elba Werk Maschinen Gmbh & Co CATCHING DEVICE FOR ELEVATORS, IN PARTICULAR SUCH WITH RACK DRIVE
US20080149431A1 (en) * 2005-06-23 2008-06-26 Teuvo Vantanen Method and appliance for tripping the safety gear of an elevator
WO2010023745A1 (en) * 2008-08-28 2010-03-04 三菱電機株式会社 Elevator speed governor
EP2380840A1 (en) * 2009-01-20 2011-10-26 Mitsubishi Electric Corporation Safety device for elevator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020050768A1 *

Also Published As

Publication number Publication date
WO2020050768A1 (en) 2020-03-12
SE1851064A1 (en) 2020-03-08
WO2020050768A9 (en) 2020-11-12
SE542493C2 (en) 2020-05-26
EP3847119A1 (en) 2021-07-14

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