EP0440839A1 - Dispositif pour empêcher des déplacements involontaires des ascenseurs - Google Patents

Dispositif pour empêcher des déplacements involontaires des ascenseurs Download PDF

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Publication number
EP0440839A1
EP0440839A1 EP90102262A EP90102262A EP0440839A1 EP 0440839 A1 EP0440839 A1 EP 0440839A1 EP 90102262 A EP90102262 A EP 90102262A EP 90102262 A EP90102262 A EP 90102262A EP 0440839 A1 EP0440839 A1 EP 0440839A1
Authority
EP
European Patent Office
Prior art keywords
car
speed limiter
guide rail
braking
cable
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
EP90102262A
Other languages
German (de)
English (en)
Other versions
EP0440839B1 (fr
EP0440839B2 (fr
Inventor
Gerhard Bocher
Gerhard Dr.-Ing. Schiffner
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.)
TK Aufzuege GmbH
Original Assignee
Thyssen Aufzuege GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8203595&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0440839(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thyssen Aufzuege GmbH filed Critical Thyssen Aufzuege GmbH
Priority to EP90102262A priority Critical patent/EP0440839B2/fr
Priority to AT90102262T priority patent/ATE93210T1/de
Priority to DE9090102262T priority patent/DE59002392D1/de
Priority to ES90102262T priority patent/ES2043130T5/es
Publication of EP0440839A1 publication Critical patent/EP0440839A1/fr
Publication of EP0440839B1 publication Critical patent/EP0440839B1/fr
Application granted granted Critical
Publication of EP0440839B2 publication Critical patent/EP0440839B2/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
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B66B5/22—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by means of linearly-movable wedges

Definitions

  • the invention relates to a device for preventing uncontrolled accelerations or movements of a car or similar load carrier of elevator or conveyor systems, with a counterweight attached via ropes, at least one guide rail for the car, a speed limiter acting on an operating cable running with the car and with one for Downward travel set up first braking device which has a caliper body arranged on the car and comprising the guide rail from opposite sides and a catch element which can be actuated by the speed limiter and which interacts with the caliper body.
  • Such braking devices are used in lifting devices, e.g. B. lifts are known to prevent the car from dropping faster than the permitted maximum speed and thereby avoid dangerous crashes of the car or other load handling device.
  • the car If the car is loaded with less than half the permitted load with a corresponding load ratio between, for example, a car and a counterweight, the car does not accelerate downwards in the event of a fault (drive failure) but upwards.
  • a safety gear can be attached to the counterweight, which brakes the counterweight in the downward direction at excessive speed and thus also delays the car.
  • the disadvantage here is a large additional structural cost, since in addition to the components required for braking, an additional speed limiter for the counterweight must be installed.
  • the guide rails and the frame of the counterweight itself must be reinforced so that the braking and catching forces can be absorbed without damage.
  • a functional disadvantage of this known braking device is that the car can jump when catching the counterweight, i. H. due to its kinetic energy, it travels a little higher than it is pulled through the ropes and then falls back, causing passengers to be injured.
  • Another known device for braking uncontrolled movements of the car in the upward direction consists of a Rope brake that engages the carrier cables of the car.
  • the disadvantages here are, on the one hand, a great deal of structural effort for the devices required for actuating and releasing the brake means, and on the other hand the risk of damage to the relatively sensitive cables and great wear of the brake pads.
  • a further possibility for braking the car in the upward direction is to attach additional brakes to the traction sheave of the elevator, which can be triggered by a speed limiter.
  • the practical application of this proposal is opposed by the great disadvantage that the ropes can slip on the traction sheave with reduced driving ability and the car is therefore not braked, or is braked insufficiently.
  • a kit with double-sided, upward and downward braking devices is known, which are movable in unprocessed guide rails and are provided with replaceable wear parts.
  • the braking devices arranged on opposite sides of a car each contain a cylindrical receptacle body fixed to the car, which, with two points of its circumference, rests on the concave side of the angle profile guide rails supported in the shaft and faces the receptacle between the two contact areas has a tapering cut and a brake wedge-receiving incision.
  • the brake wedge which is adapted to the guide rail profile, can be moved vertically within the incision of the receiving body for applying and releasing the brake, specifically via an articulated lever arranged on the top of the cabin and controlled by a speed limiter, depending on whether the car is traveling downwards or upwards should be delayed.
  • the wedge forces occurring when braking a larger amount of energy can be so great that the internal strength of the building is no longer sufficient for erosion, so that the braking effect fails or the elevator system or the building is permanently damaged.
  • the known devices for preventing uncontrolled movements and accelerations of the car in the upward direction are consequently very complex and have structural, functional or safety-related disadvantages.
  • the present invention has for its object to develop a device of the type specified in such a way that uncontrolled car accelerations or movements in the upward direction on the car itself are decelerated or braked comfortably for the passenger, taking into account the applicable safety regulations and approval conditions Avoid endangering people and unnecessary damage to property.
  • a second braking device is arranged on the car, which has the same structure as a downward-acting braking device and in particular acts on the same guide rail, - that the second braking device is provided for response when driving upwards and in the opposite position first braking device is installed and that both braking devices on the same operating cable and the same speed limiter with the help of between the operating cable and the respective catch element interposed transmission elements can be actuated for the directions of travel assigned to them.
  • the safety gear is triggered by the speed limiter, which holds the operating cable by blocking.
  • the speed limiter's holding force is transmitted directly to the safety gear from the governor via a rope strand when catching in the downward direction.
  • the holding force of the speed limiter acts as a pulling force around the deflection roller at the lower end of the shaft on the car.
  • This deflection roller forms, together with a tensioning weight, the tensioning device for the operating cable.
  • the holding force is substantially greater in the downward direction of travel of the car than in the upward direction of travel.
  • one braking device can be used for both directions of capture direction or a braking device effective in both directions may be provided.
  • the tensioning weight is appropriately secured against lifting when caught in the upward direction by a locking device.
  • two upstream and downward movement although existing, but different in design, are used for catching devices.
  • a car 10 of an elevator system is shown schematically with broken lines with its upward or downward movements indicated by arrows.
  • the general movement path of the car is predetermined by at least one vertical guide rail 12.
  • upper catch pliers 14 and lower catch pliers 16 are provided on the car, which form a combined catch device and can be brought into braking engagement with the guide rail 12 in the event of uncontrolled accelerations of the car upwards or downwards.
  • Each gripper 14, 16 consists of a gripper body fastened to the car and comprising the guide rail 12 from two sides with the gripper arms 17, 17a or 18, 18a and a gripping wedge 20 which is displaceably held between the one gripper arm 17 or 18 and the guide rail 12 , 21.
  • each catch wedge is connected, preferably by means of an articulated intermediate piece 22, 23, to an actuating lever 24, 25, which is pivotably held at point 26 or 27 on car 10 is.
  • An actuating cable 30 is provided parallel to the car path for the car brake device formed by the two catching tongs 14, 16.
  • the vertical operating cable 30 is guided over a pulley 32 of a speed limiter 36 arranged at the upper end 34 of the elevator shaft, which is capable of detecting impermissible speeds or accelerations both when the car is moving upwards and downwards, in order to then use the Friction between the rope and pulley 32 to brake the operating cable 30.
  • a tensioning weight 40 is attached to the lower deflection roller 38.
  • suitable drivers 42, 42 a are fastened to the actuating cable 30, which, when the speed limiter is stopped by a relative movement between the car 10 and the actuating cable 30, the respective upper or lower catching pliers 14 or 16 to respond, ie to exert their braking effect. If the speed of an upward moving car 10 exceeds the limit value set as permissible, the upward run of the operating cable 30 is stopped via the speed limiter 36.
  • the upper driver 42 holds the Car 10 fixed operating lever 24 of the gripper 14, which consequently pivots about its pivot point 26 in the counterclockwise direction and pulls the catch 20 against the guide rail 12 for braking intervention.
  • a schematically shown spring element 52 is inserted into the cable section of the actuating cable 30 between the end coming from the pulley 32 of the upper speed limiter 36 and an actuating lever 50 of a safety device, not shown.
  • the size of the spring force of the spring element 52 corresponds approximately to the weight force exerted by the lower deflection roller 38 and by the load weight possibly attached thereto, so that when the speed limiter 36 is triggered in the upward and downward direction of travel Car the same cable pulling forces to operate the respective safety gear.
  • the actuating lever 50 in FIG. 2 serves to actuate a combined safety device which is described below in connection with FIG. 3 or 4 and is effective in both directions.
  • An extension 56 is located on the deflection roller 38 or on the suspension bracket 54, which carries the tensioning weight 40 and is mounted on the axis of the deflection roller 38, and cooperates with a stationary locking device 58.
  • the extension 56 of the suspension bracket 58 which is movable in a guide 64 of the locking device 58, has a locking toothing 59, into which a locking member 62 pretensioned by a spring 60 engages, in order to prevent the deflection roller 38 from undesirably moving upwards and thus reducing the brake actuation force exerted by the actuation cable 30 prevent if the upward moving car is to be stopped using the safety gear.
  • the locking device 58 can be constructed in such a way that the engagement between the locking member 62 and the locking toothing 59 is maintained or produced continuously or only when the car is moving upwards or when the speed limiter is triggered when the car is moved upwards.
  • a combined safety gear 70 is shown schematically, the uncontrolled accelerations or movements of a car moving up or down can be triggered.
  • the car is defined by the two tongs bodies attached to it, with the tongs arms 17, 17a and 18, 18a, which are arranged on both sides of the common guide rail 12.
  • Both pliers bodies are assigned a common catch wedge 72, which is displaced in one direction or the other via an actuating lever 50 which is articulated at 68 and is pivotably mounted at point 74 on the car and, in cooperation with the respective pliers body, is brought into braking engagement against the guide rail 12, when the drivers 42 or 42a on the actuating cable 30 pivot the lever 50.
  • the combined catch wedge 72 carries wedge surfaces 76, 78 which are in sliding engagement with the corresponding counter surfaces of the tong arms 17 and 18, respectively.
  • a spring 80 By means of a spring 80, the weight and the mass force of the combined catching wedge 72 which occurs when the car is started up are substantially balanced.
  • this force balance can also be carried out elsewhere, e.g. B. on the operating lever 50th
  • only one catching wedge body 82 and one tong body with the tong arms 84, 84a are provided for both directions of travel of the elevator car, the tong arm 84 carrying wedge surfaces which are inclined on two sides and which, depending on the direction of movement of the elevator car, have correspondingly complementarily inclined ones Wedge surfaces of the common catch 82 come into engagement.
  • the catch wedge 82 is over an articulated Zwi limb 88 connected to the operating lever 50 pivotally mounted on the car.
  • a spring 80 balances the weight and the initial acceleration forces of the combined catch wedge 82 so that it can be brought into engagement with the guide rail when the car moves up or down with approximately the same actuation forces and time response.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Types And Forms Of Lifts (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP90102262A 1990-02-06 1990-02-06 Dispositif pour empêcher des déplacements involontaires des ascenseurs Expired - Lifetime EP0440839B2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP90102262A EP0440839B2 (fr) 1990-02-06 1990-02-06 Dispositif pour empêcher des déplacements involontaires des ascenseurs
AT90102262T ATE93210T1 (de) 1990-02-06 1990-02-06 Vorrichtung zur verhinderung unkontrollierter bewegungen von aufzuegen.
DE9090102262T DE59002392D1 (de) 1990-02-06 1990-02-06 Vorrichtung zur verhinderung unkontrollierter bewegungen von aufzuegen.
ES90102262T ES2043130T5 (es) 1990-02-06 1990-02-06 Dispositivo que impide las aceleraciones o movimientos incontrolados de una cabina o portacargas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90102262A EP0440839B2 (fr) 1990-02-06 1990-02-06 Dispositif pour empêcher des déplacements involontaires des ascenseurs

Publications (3)

Publication Number Publication Date
EP0440839A1 true EP0440839A1 (fr) 1991-08-14
EP0440839B1 EP0440839B1 (fr) 1993-08-18
EP0440839B2 EP0440839B2 (fr) 1999-02-03

Family

ID=8203595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90102262A Expired - Lifetime EP0440839B2 (fr) 1990-02-06 1990-02-06 Dispositif pour empêcher des déplacements involontaires des ascenseurs

Country Status (4)

Country Link
EP (1) EP0440839B2 (fr)
AT (1) ATE93210T1 (fr)
DE (1) DE59002392D1 (fr)
ES (1) ES2043130T5 (fr)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0543154A1 (fr) * 1991-11-18 1993-05-26 Inventio Ag Arrangement pour activer un dispositif de sécurité
EP0787676A1 (fr) 1996-01-31 1997-08-06 Inventio Ag Dispositif de sécurité
WO1997031852A1 (fr) * 1996-03-01 1997-09-04 Cobianchi Liftteile Ag Parachute a prise instantanee et machoire de frein, notamment pour cabines d'ascenseur
DE29614516U1 (de) * 1996-08-21 1998-01-02 C. Haushahn Gmbh & Co, 70469 Stuttgart Fangvorrichtung
EP0999168A2 (fr) * 1998-11-03 2000-05-10 Gerhard Schlosser Dispositif de freinage à double action pour ascenseurs ou dispositifs de desserte de rayonnage
ES2146167A1 (es) * 1998-05-13 2000-07-16 Orona S Coop Freno de seguridad para una cabina de ascensor.
US6092630A (en) * 1997-09-29 2000-07-25 Inventio Ag Arresting brake device for elevators
DE19906073A1 (de) * 1999-02-12 2000-08-31 Lm Liftmaterial Gmbh & Co Kg Vorrichtung zum Verhindern unkontrollierter Beschleunigungen eines Fahrkorbs einer Aufzugsanlage
DE19940059A1 (de) * 1998-11-03 2001-04-12 Gerhard Schlosser Doppel-Bremsfangvorrichtung für Aufzüge oder Regalbediengeräte (RBG)
WO2008080847A1 (fr) * 2007-01-05 2008-07-10 Continental Teves Ag & Co. Ohg Système d'ascenseur avec une cabine d'ascenseur pourvue d'un dispositif de freinage disposé dans la région de la cabine d'ascenseur pour retenir et freiner la cabine d'ascenseur, et procédé pour retenir et freiner une cabine d'ascenseur de ce type
WO2008080243A1 (fr) * 2007-01-05 2008-07-10 Inventio Ag Système d'ascenseur avec une cabine d'ascenseur pourvue d'un dispositif de freinage disposé dans la région de la cabine d'ascenseur pour retenir et freiner la cabine d'ascenseur, et procédé pour retenir et freiner une cabine d'ascenseur de ce type
EA013029B1 (ru) * 2007-06-18 2010-02-26 Руп Завод "Могилевлифтмаш" Привод лифта
CN102596783A (zh) * 2009-10-28 2012-07-18 三菱电机株式会社 电梯用紧急停止装置
WO2015056255A1 (fr) * 2013-10-20 2015-04-23 Yoram Madar Activation mécanique de parachutes séparés pour la direction montante et descendante
CN108100817A (zh) * 2018-01-30 2018-06-01 浙江巨人控股有限公司 一种高速电梯补偿绳涨紧装置
CN108821064A (zh) * 2018-08-10 2018-11-16 通力电梯有限公司 电梯及其制造方法
US10807832B2 (en) 2014-05-14 2020-10-20 Mitsubishi Electric Corporation Elevator device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19850678C1 (de) * 1998-11-03 2000-03-16 Gerhard Schlosser Doppel-Bremsfangvorrichtung für Aufzüge oder Regalbediengeräte (RBG)
DE19852040C1 (de) * 1998-11-03 2000-05-25 Gerhard Schlosser Doppel-Bremsfangvorrichtung für Aufzüge oder Regalbediengeräte (RBG)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE805782C (de) * 1949-05-27 1951-05-31 Gustav Hahn Dipl Ing Bremsfangvorrichtung fuer Aufzuege
US3635315A (en) * 1968-12-09 1972-01-18 Ace Machinery Ltd Spring applied emergency brake
US3762512A (en) * 1971-10-29 1973-10-02 Us Elevator Corp Elevator rail grab safety apparatus
DE2744986A1 (de) * 1977-10-06 1979-04-12 Wyhlen Ag Eisenbau Fangbremse
DE8714860U1 (de) * 1987-11-07 1987-12-23 Kastenhuber, Reinhold Günter, 6708 Neuhofen Bausatz für Aufzugfangvorrichtungen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE805782C (de) * 1949-05-27 1951-05-31 Gustav Hahn Dipl Ing Bremsfangvorrichtung fuer Aufzuege
US3635315A (en) * 1968-12-09 1972-01-18 Ace Machinery Ltd Spring applied emergency brake
US3762512A (en) * 1971-10-29 1973-10-02 Us Elevator Corp Elevator rail grab safety apparatus
DE2744986A1 (de) * 1977-10-06 1979-04-12 Wyhlen Ag Eisenbau Fangbremse
DE8714860U1 (de) * 1987-11-07 1987-12-23 Kastenhuber, Reinhold Günter, 6708 Neuhofen Bausatz für Aufzugfangvorrichtungen

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5323877A (en) * 1991-11-18 1994-06-28 Inventio Ag Device for the triggering of safety equipments of a lift plant
EP0543154A1 (fr) * 1991-11-18 1993-05-26 Inventio Ag Arrangement pour activer un dispositif de sécurité
EP0787676A1 (fr) 1996-01-31 1997-08-06 Inventio Ag Dispositif de sécurité
AU708452B2 (en) * 1996-01-31 1999-08-05 Inventio Ag Lift cage movement arresting mechanism
US5950768A (en) * 1996-01-31 1999-09-14 Inventio Ag Elevator speed regulating safety equipment
WO1997031852A1 (fr) * 1996-03-01 1997-09-04 Cobianchi Liftteile Ag Parachute a prise instantanee et machoire de frein, notamment pour cabines d'ascenseur
DE29614516U1 (de) * 1996-08-21 1998-01-02 C. Haushahn Gmbh & Co, 70469 Stuttgart Fangvorrichtung
EP0825145A1 (fr) * 1996-08-21 1998-02-25 C. HAUSHAHN GmbH & Co. Dispositif de freinage
US6092630A (en) * 1997-09-29 2000-07-25 Inventio Ag Arresting brake device for elevators
ES2146167A1 (es) * 1998-05-13 2000-07-16 Orona S Coop Freno de seguridad para una cabina de ascensor.
DE19940059C2 (de) * 1998-11-03 2002-05-02 Gerhard Schlosser Doppel-Bremsfangvorrichtung für Aufzüge oder Regalbediengeräte (RBG)
EP0999168A3 (fr) * 1998-11-03 2001-03-07 Gerhard Schlosser Dispositif de freinage à double action pour ascenseurs ou dispositifs de desserte de rayonnage
DE19940059A1 (de) * 1998-11-03 2001-04-12 Gerhard Schlosser Doppel-Bremsfangvorrichtung für Aufzüge oder Regalbediengeräte (RBG)
EP0999168A2 (fr) * 1998-11-03 2000-05-10 Gerhard Schlosser Dispositif de freinage à double action pour ascenseurs ou dispositifs de desserte de rayonnage
DE19906073A1 (de) * 1999-02-12 2000-08-31 Lm Liftmaterial Gmbh & Co Kg Vorrichtung zum Verhindern unkontrollierter Beschleunigungen eines Fahrkorbs einer Aufzugsanlage
DE19906073C2 (de) * 1999-02-12 2003-03-27 Inventio Ag Vorrichtung zum Verhindern unkontrollierter Beschleunigungen eines Fahrkorbs einer Aufzugsanlage
US6619435B1 (en) 1999-02-12 2003-09-16 Inventio Ag Device for preventing uncontrolled acceleration of an elevator car installed in an elevator installation
CN101622185B (zh) * 2007-01-05 2014-07-16 因温特奥股份公司 电梯轿厢以及用于保持和制动电梯轿厢的方法
WO2008080243A1 (fr) * 2007-01-05 2008-07-10 Inventio Ag Système d'ascenseur avec une cabine d'ascenseur pourvue d'un dispositif de freinage disposé dans la région de la cabine d'ascenseur pour retenir et freiner la cabine d'ascenseur, et procédé pour retenir et freiner une cabine d'ascenseur de ce type
US8302739B2 (en) 2007-01-05 2012-11-06 Continental Teves Ag & Co. Ohg Brake device for a lift car
US8517150B2 (en) 2007-01-05 2013-08-27 Inventio Ag Apparatus and method for holding and braking an elevator car
WO2008080847A1 (fr) * 2007-01-05 2008-07-10 Continental Teves Ag & Co. Ohg Système d'ascenseur avec une cabine d'ascenseur pourvue d'un dispositif de freinage disposé dans la région de la cabine d'ascenseur pour retenir et freiner la cabine d'ascenseur, et procédé pour retenir et freiner une cabine d'ascenseur de ce type
EA013029B1 (ru) * 2007-06-18 2010-02-26 Руп Завод "Могилевлифтмаш" Привод лифта
CN102596783A (zh) * 2009-10-28 2012-07-18 三菱电机株式会社 电梯用紧急停止装置
CN102596783B (zh) * 2009-10-28 2015-07-29 三菱电机株式会社 电梯用紧急停止装置
WO2015056255A1 (fr) * 2013-10-20 2015-04-23 Yoram Madar Activation mécanique de parachutes séparés pour la direction montante et descendante
US10807832B2 (en) 2014-05-14 2020-10-20 Mitsubishi Electric Corporation Elevator device
CN108100817A (zh) * 2018-01-30 2018-06-01 浙江巨人控股有限公司 一种高速电梯补偿绳涨紧装置
CN108821064A (zh) * 2018-08-10 2018-11-16 通力电梯有限公司 电梯及其制造方法
CN108821064B (zh) * 2018-08-10 2024-04-19 通力电梯有限公司 电梯及其制造方法

Also Published As

Publication number Publication date
ES2043130T5 (es) 1999-05-01
DE59002392D1 (de) 1993-09-23
ES2043130T3 (es) 1993-12-16
EP0440839B1 (fr) 1993-08-18
ATE93210T1 (de) 1993-09-15
EP0440839B2 (fr) 1999-02-03

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