EP1182163A1 - Limiteur de vitesse pour ascenseur - Google Patents

Limiteur de vitesse pour ascenseur Download PDF

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Publication number
EP1182163A1
EP1182163A1 EP01500210A EP01500210A EP1182163A1 EP 1182163 A1 EP1182163 A1 EP 1182163A1 EP 01500210 A EP01500210 A EP 01500210A EP 01500210 A EP01500210 A EP 01500210A EP 1182163 A1 EP1182163 A1 EP 1182163A1
Authority
EP
European Patent Office
Prior art keywords
sheave
speed limiting
elevators
limiting device
safety
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
EP01500210A
Other languages
German (de)
English (en)
Other versions
EP1182163B1 (fr
Inventor
Francisco De Asis Mateo Mur
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.)
Dynatech Dynamics and Technology SL
Original Assignee
Dynatech Dynamics and Technology SL
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 Dynatech Dynamics and Technology SL filed Critical Dynatech Dynamics and Technology SL
Publication of EP1182163A1 publication Critical patent/EP1182163A1/fr
Application granted granted Critical
Publication of EP1182163B1 publication Critical patent/EP1182163B1/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
    • 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

Definitions

  • the object of the present utility model is a speed limiting device for elevators, that is, it is related with a device which does not permit a threshold speed to be surpassed, in such a manner that once surpassed it provokes the halting of the elevator by means of the actuation of a "safety" which causes it to become wedged.
  • the speed limiter object of the invention can work in both the upward and downward directions.
  • the present invention lies within the safety devices employed in hoisting apparatus and more specifically within the speed limiting devices for elevators.
  • the purpose of the present utility model is to overcome the aforementioned drawbacks, to which end a speed limiting device for elevators is presented which avoids the location of the limiter in the machine room, with the subsequent taking up of space, as well as of a leading block, developing for this a device which is mounted on the car itself and transmits the wedging force equally in the upward and the downward direction, in which the wedging system is actuated before the cable slips on the sheave, not making use of the cable itself to transmit the wedging force to the safety, but which is instead performed by means of an auxiliary rod and in which the operation of the limiter in the upward direction is improved since the vibration is suppressed.
  • the proposed utility model for speed limiting device for elevators consists of a device which is mounted on the car itself or on the framework, to which end it comprises a structure that is secured to the car, on said structure are arranged two sheaves, the limiting sheave and the leading block which serves to change the direction of the cable.
  • the limiting sheave incorporates a centrifugal system which consists of two centrifugal masses that rotate with the sheave itself and come into action when a determined speed threshold is exceeded.
  • a centrifugal system which consists of two centrifugal masses that rotate with the sheave itself and come into action when a determined speed threshold is exceeded.
  • the wedging signal is transmitted to the safety by means of a rod which is attached to the spider, that is the limiting action occurs simultaneously with that of wedging the safety, something which does not happen in current systems.
  • this speed limiting device it is possible for the system to work in a symmetrical mode in both the upward and downward direction improving the precision of the blocking speed. Moreover, on the auxiliary sheave, it is possible to locate an encoder that permits the position of the car to be known at all times and even in the event of braking it is possible to continue to know the position of the car because the cable does not slip on this auxiliary sheave.
  • Figure 1 shows a general view in perspective of the speed limiting device.
  • Figure 2 shows a top view of said device.
  • Figure 3 shows the limiting sheave with the centrifugal system.
  • Figure 4 shows a schematic representation of the arrangement of the device with respect to the rest of the elements.
  • the speed limiting device (1) comprises two sheaves (2) which incorporate the centrifugal limiting system and the sheave (2) which serves for leading the cable. Both sheaves are arranged on a supporting structure (10) which anchors them to the elevator car. To said supporting structure (10) is fastened a spider-shaped piece (4) which is permitted a certain degree of rotation and which has some arms (7), which will act as brakes for the centrifugal masses (6). ( Figure 3).
  • FIG 2 the same elements can be seen as are mentioned above but in a partial view, whilst in figure 3 the sheave (2) can be seen which serves for carrying out the speed limitation for which purpose it has a limiting system formed by two centrifugal masses (6), connected to each other by means of the steering arrangement of the centrifugal system (5) which cause them to move in an integral manner.
  • the centrifugal masses (6) are displaced outwards, one of them coming up against one of the arms (7) of the spider-shaped piece (4).
  • Said spider (4) has some perforations (9) through which are hinged some rods (12) ( Figure 4) which serve to transmit the motion directly to the safety in order to wedge it.
  • the speed limiting device (1) is mounted on the underside of the car.
  • said device (1) comprises two sheaves, a limiter (2) and the other for cable leading (3).
  • the rod (12) can also be seen which, connected to the arms of the spider (4), has the task of transmitting the wedging force to the safety (11).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Elevator Control (AREA)
  • Earth Drilling (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Centrifugal Separators (AREA)
  • Portable Nailing Machines And Staplers (AREA)
EP01500210A 2000-08-18 2001-08-06 Limiteur de vitesse pour ascenseur Expired - Lifetime EP1182163B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200002163U ES1046934Y (es) 2000-08-18 2000-08-18 Dispositivo limitador de velocidad para ascensores.
ES200002163U 2000-08-18

Publications (2)

Publication Number Publication Date
EP1182163A1 true EP1182163A1 (fr) 2002-02-27
EP1182163B1 EP1182163B1 (fr) 2003-12-17

Family

ID=8494830

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01500210A Expired - Lifetime EP1182163B1 (fr) 2000-08-18 2001-08-06 Limiteur de vitesse pour ascenseur

Country Status (6)

Country Link
EP (1) EP1182163B1 (fr)
AT (1) ATE256627T1 (fr)
DE (1) DE60101522T2 (fr)
ES (1) ES1046934Y (fr)
PT (1) PT1182163E (fr)
TR (1) TR200400308T4 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040029816A (ko) * 2002-10-02 2004-04-08 신석희 엘리베이터 장치의 조속기
EP2457863A1 (fr) * 2010-11-30 2012-05-30 ThyssenKrupp Encasa S.r.l. Dispositif de levage
EP3299328A1 (fr) * 2016-08-02 2018-03-28 Otis Elevator Company Ensemble régulateur et ascenseur

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US478169A (en) * 1892-07-05 Safety attachment for elevators
US3908801A (en) * 1974-03-13 1975-09-30 Vertical Transport Company Vertical hoist assembly
US4029177A (en) * 1975-04-16 1977-06-14 International Telephone And Telegraph Corporation Overspeed brake for a lift car
US5349854A (en) * 1992-05-01 1994-09-27 Otis Elevator Company Elevator speed and position indicating device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US478169A (en) * 1892-07-05 Safety attachment for elevators
US3908801A (en) * 1974-03-13 1975-09-30 Vertical Transport Company Vertical hoist assembly
US4029177A (en) * 1975-04-16 1977-06-14 International Telephone And Telegraph Corporation Overspeed brake for a lift car
US5349854A (en) * 1992-05-01 1994-09-27 Otis Elevator Company Elevator speed and position indicating device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040029816A (ko) * 2002-10-02 2004-04-08 신석희 엘리베이터 장치의 조속기
EP2457863A1 (fr) * 2010-11-30 2012-05-30 ThyssenKrupp Encasa S.r.l. Dispositif de levage
WO2012072673A1 (fr) * 2010-11-30 2012-06-07 Thyssenkrupp Encasa S.R.L. Dispositif de levage
CN103228567A (zh) * 2010-11-30 2013-07-31 蒂森克虏伯恩卡萨有限责任公司 升降设备
EP3299328A1 (fr) * 2016-08-02 2018-03-28 Otis Elevator Company Ensemble régulateur et ascenseur
US10745245B2 (en) 2016-08-02 2020-08-18 Otis Elevator Company Governor assembly and elevator

Also Published As

Publication number Publication date
PT1182163E (pt) 2004-04-30
DE60101522T2 (de) 2004-09-23
EP1182163B1 (fr) 2003-12-17
TR200400308T4 (tr) 2004-03-22
DE60101522D1 (de) 2004-01-29
ATE256627T1 (de) 2004-01-15
ES1046934U (es) 2001-02-01
ES1046934Y (es) 2001-07-01

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