EP0245686A2 - Dispositif de freinage pour moyens de levage tels que des ascenseurs ou des monte-charge - Google Patents

Dispositif de freinage pour moyens de levage tels que des ascenseurs ou des monte-charge Download PDF

Info

Publication number
EP0245686A2
EP0245686A2 EP87106088A EP87106088A EP0245686A2 EP 0245686 A2 EP0245686 A2 EP 0245686A2 EP 87106088 A EP87106088 A EP 87106088A EP 87106088 A EP87106088 A EP 87106088A EP 0245686 A2 EP0245686 A2 EP 0245686A2
Authority
EP
European Patent Office
Prior art keywords
braking
lifts
fact
braking device
action
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.)
Granted
Application number
EP87106088A
Other languages
German (de)
English (en)
Other versions
EP0245686A3 (en
EP0245686B1 (fr
Inventor
Angelo Martini
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.)
GMV Martini SpA
Original Assignee
GMV Service SRL
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 GMV Service SRL filed Critical GMV Service SRL
Priority to AT87106088T priority Critical patent/ATE97103T1/de
Publication of EP0245686A2 publication Critical patent/EP0245686A2/fr
Publication of EP0245686A3 publication Critical patent/EP0245686A3/en
Application granted granted Critical
Publication of EP0245686B1 publication Critical patent/EP0245686B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads

Definitions

  • the present invention refers to a braking device for lifting means, such as lifts or goods lifts.
  • the present invention refers to a braking device for lifting means, such as lifts or goods lifts normally used in blocks of flats of co-ownership, buildings assigned to dwelling-houses and/or offices and similar.
  • lifts or goods lifts of the abovementioned type are generally equipped with Jaw brakes.
  • the object of the present invention is to eliminate the abovementioned problems.
  • a braking device comprising two coupled braking systems with simultaneous action.
  • a first braking system may be an asynchronous alternate current motor, with one speed, supplied with direct current.
  • a second braking system to be used in combination with the first may be an electromagnetic brake with intermittent action on the jaws.
  • the braking device of the present invention permits us to obtain, in first place, a more regular, precise braking effect since the two coupled braking systems, with simultaneous action, intervene on both the. traction motor and on the braking jaws of traditional type. Moreover, the braking action exercised on the motor is of continuous type, while that exercised on the jaws is of intermittent, type or with variable force.
  • FIG. 1 shows a schematic view of the cross-section of a lifting plant equipped with the braking device of the present invention in a form of construction given by way of illustration and example, but not binding.
  • the braking device for lifting means like lifts or goods lifts, of the present invention; comprises essentially an asynchronous alternate current motor 1, with one speed, connected to the manoeuvring winch 2 by an electromagnetic brake 3.
  • the manoeuvring winch 2 comprises the traction pulley 4 of. the cables 5, which support, at one end, elevator car 6 and, at the other end, is suspended the counterweight 7.
  • selector switch 10 presets and automatically intervenes to supply the various parts with the controls necessary to make the manoeuvre.
  • said controls are sent to the braking device sufficiently in advance to guarantee the slowing down and stopping of car 6 exactly in front of space 11, corresponding to the door of each floor 8, so that the level 12 of its floor is perfectly aligned with that of the levels 13.
  • the braking control is sent simultaneously to the asynchronous alternate current motor 1 and the electromagnetic brake 3.
  • the braking action on the asynchronous alternate current motor 1 is obtained by inserting direct current in it, while sequential pulses are sent to 'the electromagnetic brake 3 which cause its intervention intermittently or with variable force.
  • the intermittent braking action on brake 3 is therefore directed at regulation of the stop run, especially in the final phase, since the real braking action is carried out very efficiently by motor 1 in the first phase, as soon as the direct current is inserted in it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control And Safety Of Cranes (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Braking Arrangements (AREA)
  • Elevator Control (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Load-Engaging Elements For Cranes (AREA)
EP87106088A 1986-05-07 1987-04-27 Dispositif de freinage pour moyens de levage tels que des ascenseurs ou des monte-charge Expired - Lifetime EP0245686B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87106088T ATE97103T1 (de) 1986-05-07 1987-04-27 Bremseinrichtung fuer hebemittel wie personenoder lastenaufzuege.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2174886U 1986-05-07
IT8621748U IT208095Z2 (it) 1986-05-07 1986-05-07 Dispositivo di frenatura per mezzi di sollevamento, quali ascensori e montacarichi.

Publications (3)

Publication Number Publication Date
EP0245686A2 true EP0245686A2 (fr) 1987-11-19
EP0245686A3 EP0245686A3 (en) 1990-05-23
EP0245686B1 EP0245686B1 (fr) 1993-11-10

Family

ID=11186302

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87106088A Expired - Lifetime EP0245686B1 (fr) 1986-05-07 1987-04-27 Dispositif de freinage pour moyens de levage tels que des ascenseurs ou des monte-charge

Country Status (5)

Country Link
EP (1) EP0245686B1 (fr)
AT (1) ATE97103T1 (fr)
DE (1) DE3788081T2 (fr)
ES (1) ES2047481T3 (fr)
IT (1) IT208095Z2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2250012A (en) * 1990-09-19 1992-05-27 Toshiba Kk Elevator
KR100379660B1 (ko) * 1998-03-23 2003-04-11 코네 코퍼레이션 트랙션 시브 엘리베이터를 제동시키는 방법 및 트랙션시브 엘리베이터

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012105986A1 (fr) 2011-02-04 2012-08-09 Otis Elevator Company Système permettant de séquencer l'arrêt d'un dispositif de freinage

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3003148A1 (de) * 1979-02-07 1980-08-28 Columbus Mckinnon Corp Praezisions-lasthoeheneinstellvorrichtung fuer ein lasthebegeraet
US4232768A (en) * 1978-05-01 1980-11-11 Jacques Dufresne Automatic emergency brake

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232768A (en) * 1978-05-01 1980-11-11 Jacques Dufresne Automatic emergency brake
DE3003148A1 (de) * 1979-02-07 1980-08-28 Columbus Mckinnon Corp Praezisions-lasthoeheneinstellvorrichtung fuer ein lasthebegeraet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2250012A (en) * 1990-09-19 1992-05-27 Toshiba Kk Elevator
KR100379660B1 (ko) * 1998-03-23 2003-04-11 코네 코퍼레이션 트랙션 시브 엘리베이터를 제동시키는 방법 및 트랙션시브 엘리베이터

Also Published As

Publication number Publication date
IT8621748V0 (it) 1986-05-07
EP0245686A3 (en) 1990-05-23
DE3788081T2 (de) 1994-03-17
ATE97103T1 (de) 1993-11-15
ES2047481T3 (es) 1994-03-01
DE3788081D1 (de) 1993-12-16
IT208095Z2 (it) 1988-03-31
EP0245686B1 (fr) 1993-11-10

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