EP0440839B2 - 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
EP0440839B2
EP0440839B2 EP90102262A EP90102262A EP0440839B2 EP 0440839 B2 EP0440839 B2 EP 0440839B2 EP 90102262 A EP90102262 A EP 90102262A EP 90102262 A EP90102262 A EP 90102262A EP 0440839 B2 EP0440839 B2 EP 0440839B2
Authority
EP
European Patent Office
Prior art keywords
braking
car
wedge
guide rail
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.)
Expired - Lifetime
Application number
EP90102262A
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German (de)
English (en)
Other versions
EP0440839B1 (fr
EP0440839A1 (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(B2) "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 AT90102262T priority Critical patent/ATE93210T1/de
Priority to DE9090102262T priority patent/DE59002392D1/de
Priority to ES90102262T priority patent/ES2043130T5/es
Priority to EP90102262A priority patent/EP0440839B2/fr
Publication of EP0440839A1 publication Critical patent/EP0440839A1/fr
Application granted granted Critical
Publication of EP0440839B1 publication Critical patent/EP0440839B1/fr
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 a car or the like load carrier of elevator or conveyor systems, with an over Ropes attached counterweight, at least one guide rail for the car, one on one with the Speed limiter acting in the car with the operating cable, and with in opposite directions Position arranged first and second braking devices, the first of which when driving upwards and the second responds when driving downhill, with each braking device on each side of the guide rail assigned support bearings attached to the car and one interacting with the support bearings, has catch element which can be triggered by transmission means controlled by the actuating cable.
  • the braking unit which responds to downward and upward movements, is a double-acting eccentric in the Form an acute-angled circular sector provided, which is rounded at the tapered end and in a pan is mounted and on its circumference adjacent to the guide rail on both sides of a straight central part each has an angled braking surface symmetrically.
  • an abutment On the opposite side of the eccentric Guide rail is arranged an abutment, which is supported adjustable by leaf springs.
  • the trigger of the catching element takes place via an operating cable controlled by the speed controller as well as a lever linkage connected to the eccentric.
  • DE-U-87 14 860 is a kit with elevators on both sides, acting up and down Known braking devices that can be moved in unprocessed guide rails and with replaceable Wear parts are provided.
  • the braking devices arranged on opposite sides of a car each contain a cylindrical receptacle body that is fixed to the car and has two positions its circumference on the concave side facing the car of angle profile guide rails supported in the shaft abuts and between the two contact areas a tapering the receiving body to the center Has incision for receiving a brake wedge.
  • the brake wedge adapted to the rail profile is inside the incision of the receiving body by means of a speed limiter controlled Articulated lever for applying and releasing the brake vertically movable.
  • the invention has set itself the task of a device of the type mentioned to design that in compliance with the applicable safety regulations and approval conditions uncontrolled Car accelerations or movements in the upward direction on the car itself are inexpensive and can be comfortably decelerated or slowed down for the passenger in order to endanger people and to avoid damage to things.
  • the invention proposes that both braking devices with respect their braking force are independently adjustable.
  • This proposal is advantageous in that it brakes the car from uncontrolled accelerations two braking devices are used for both downward and upward travel can correspond to the already tested braking devices approved for downhill driving, so that an additional test and approval of the braking device responding when driving uphill is unnecessary.
  • This advantage is particularly important when retrofitting existing elevator systems is often necessary, whose cars are only equipped with braking devices that respond in a downward direction are.
  • Both for new buildings and when retrofitting elevator systems can therefore be used for both braking devices the same speed limiter and the same operating cable can be used.
  • Both Braking devices are installed in the opposite position to each other and grip the same guide rail on. Due to the independent adjustability of the braking forces of both braking devices is a standard available braking device designed for downhill driving when used for uphill driving is used, in accordance with the applicable safety regulations to significantly lower braking forces so adjustable that the goods or people carried in the car are safe or comfortable can be slowed down.
  • the second braking device has the same structure as the first braking device on.
  • the braking process is triggered by the speed limiter, which blocks the operating cable holds on.
  • the speed limiter When braking in the downward direction, the speed limiter is blocked resulting holding force is passed on to the braking device via a rope, while the When braking in the upward direction, the holding force initially arises over the other rope strand the pulley is guided at the lower end of the shaft, which often together with a tensioning weight Tensioning device for the actuating rope forms.
  • the actuating force exerted on the catch element is therefore in speed limiters, this force by friction of the operating cable in a groove of their Generate sheave in the downward direction of the car much larger than in the upward direction.
  • the axis of the lower pulley can over the upper speed limiter guided actuating rope can be assigned a switchable locking device, the movements the pulley towards the speed limiter prevents it from being maintained the cable tension when the car brakes in the upward direction of travel, a non-delayed triggering the braking device and to ensure an evenly available actuating force.
  • the support bearing of each braking device from pliers arms one attached to the car, the guide rail from opposite Side comprehensive pliers body exist, and that the catch element interacting with the support bearings be designed as a wedge, the wedge surface on a complementary inclined wedge surface associated gun arm is slidably supported.
  • the catch wedge lies on the guide rail with a large braking surface facing away from its wedge side on. Such wedges are easy to machine and adjust due to their flat surfaces. Furthermore the braking force can be transferred more favorably to the rail than when a catch element rotates with eccentric braking surface.
  • each catch wedge has a stop device at an angled end section e.g. has an adjusting screw to limit its maximum actuation path.
  • the adjusting screw can be the different braking forces on the up and down acting Adjust brake devices independently of each other.
  • both braking devices can have a common one Catch body can be assigned to the operating cable via a single operating lever is coupled and has oppositely inclined wedge surfaces on the complementary counter surfaces the caliper arms of the respective braking device are supported.
  • a car 10 of an elevator system is shown schematically with broken lines its upward or downward movements indicated by arrows.
  • the general trajectory 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 safety gear and after uncontrolled accelerations of the car can be brought into braking or engagement with the guide rail 12 above or below.
  • Each gripper 14, 16 consists of one attached to the car and the guide rail 12 of two Side pliers body with the pliers arms 17, 17a and 18, 18a and from between one pliers arm 17 or 18 and the guide rail 12 slidably held catch 20, 21.
  • An One end of each catch wedge preferably by means of an articulated intermediate piece 22, 23 to an actuating lever 24, 25 connected, which is held pivotably at point 26 or 27 on the car 10.
  • Parallel to the car path is an actuating cable 30 for the two tongs 14, 16 formed Car brake device provided.
  • the vertical operating cable 30 is via a pulley 32 at the upper end 34 of the Elevator shaft arranged speed limiter 36 guided, which is capable of impermissible speeds or accelerations both when the car is moving upwards and downwards Detect in order to then brake the actuating cable 30 via the frictional connection between the cable and the pulley 32.
  • a tensioning weight 40 is attached to the lower deflection roller 38.
  • suitable drivers 42, 42a are fastened to the actuating cable 30, which are stopped by stopping the speed limiter generated relative movement between the car 10 and the operating cable 30 the respective upper or lower pliers 14 or 16 to respond, d. H. to exercise their braking effect. If the speed of a car 10 traveling upwards exceeds the set as permissible Limit value, the upward running strand of the operating cable is over the speed limiter 36 30 stopped.
  • the upper driver 42 holds the actuating lever 24 attached to the car 10 the pliers 14 fixed, which consequently pivoted about its pivot point 26 in the counterclockwise direction and the Catch 20 pulls for braking intervention against the guide rail 12.
  • Fig. 2 is a variant of the previously described embodiment in the rope piece of the operating cable 30 between the end coming from the pulley 32 of the upper speed limiter 36 on the one hand and an actuating lever 50 of a safety device, not shown, a schematically shown Inserted spring element 52.
  • the size of the spring force of the spring element 52 corresponds approximately to that of the lower deflection roller 38 and the weight force possibly exerted on it, 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 is used to actuate one described below in connection with FIG. 3 or 4, Combined safety gear effective in both directions.
  • an extension 56 with a fixed locking device 58 interacts on the deflection roller 38 or on the one carrying the tensioning weight 40, on the axis of the deflection roller 38 stored suspension bracket 54 is an extension 56 with a fixed locking device 58 interacts.
  • the extension 56 of the suspension bracket movable in a guide 64 of the locking device 58 58 carries a locking toothing 59, into which a locking member biased by a spring 60 62 engages around the deflection roller 38 in an undesirable upward movement and thus reduction in to prevent brake actuation force exerted via the actuation cable 30 when the upward movement Car should be stopped via the safety gear.
  • the locking device 58 can be constructed in such a way that that the engagement between locking member 62 and locking toothing 59 is maintained continuously or only then or is produced when the car is moving upwards or when the speed limiter is moving upwards moving car triggers.
  • a combined safety gear 70 is shown schematically, the uncontrolled accelerations or movements of a car moving up or down are triggered can be.
  • the car is through the two tongs body attached to it with the Pliers arms 17, 17a and 18, 18a defined, which are arranged on both sides of the common guide rail 12 are.
  • Both pliers bodies are assigned a common catch wedge 72, which is articulated at 68 and at point 74 on the car pivotally mounted operating lever 50 according to one or shifted in another direction and in cooperation with the respective pliers body against the guide rail 12 is brought into braking engagement when the driver 42 or 42a on the operating cable 30 pivot the lever 50.
  • the combined catch wedge 72 carries wedge surfaces 76, 78 which correspond to the corresponding ones Counter surfaces of the gun arms 17 and 18 are in sliding engagement.
  • a spring 80 By means of a spring 80 the weight and the mass force of the combined that occurs when the car is approached Catch 72 substantially balanced.
  • this balance of forces can also be applied to others Are carried out e.g. B. on the operating lever 50.

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)

Claims (8)

  1. Dispositif pour empêcher les accélérations ou déplacements incontrôlés d'une cabine ou d'un porte-charge similaire d'ascenseurs ou d'installations de transport, ledit dispositif comprenant un contrepoids suspendu par des câbles, au moins un rail de guidage (12) pour la cabine (10), un dispositif de limitation de vitesse (36) agissant sur le câble d'actionnement (30) qui accompagne la cabine, et un premier et un second dispositifs de freinage (14, 16) disposés dans des positions opposées l'une à l'autre, chaqun présentant la même structure, dont le premier agit lors des montées et le second lors des descentes, chaque dispositif de freinage (14, 16, 70) présentant des paliers d'appui correspondant à chaque côté du rail de guidage (12) et fixés sur la cabine et un élément de préhension (20 ou 21) coopérant avec les paliers d'appui (17, 17a, 18, 18a) et pouvant être déclenché par des moyens de transmission contrôles par le câble d'actionnement (30), caractérisé en ce que les deux dispositifs de freinage (14, 16) sont réglables indépendamment l'un de l'autre en termes de force de freinage.
  2. Dispositif selon la revendication 1, caractérisé en ce que la tension du câble est maintenue dans le tronçon court du câble d'actionnement (30) compris entre le dispositif de limitation de la vitesse (36) et les dispositifs de freinage (14, 16) par un élément formant ressort (52).
  3. Dispositif selon l'une ou l'ensemble des revendications précédentes, caractérisé en ce que l'axe de la poulie de mouflage inférieure (38) du câble d'actionnement (30) passant sur le dispositif de limitation de vitesse supérieur (36) est relié à un dispositif de verrouillage (58), qui empêche les déplacements de la poulie de mouflage (38) en direction du dispositif de limitation de vitesse (36).
  4. Dispositif selon l'une ou l'ensemble des revendications précédentes, caractérisé en ce que les paliers d'appui de chaque dispositif de freinage se composent de mâchoires de pince (17, 17a ou 18, 18a) d'un corps de pince (14, 16) fixé sur la cabine (10) et entourant le rail de guidage (12) sur des côtés opposés, et en ce que l'élément de préhension coopérant avec le palier d'appui est conçu comme un coin de préhension (20, 21), dont la surface en coin est appuyée de manière coulissante sur une surface en coin d'inclinaison complémentaire d'une mâchoire de pince (17 ou 18) correspondante.
  5. Dispositif selon l'une ou l'ensemble des revendications précédentes, caractérisé en ce que chaque coin de préhension (20, 21) présente sur une zone d'extrémité (44) coudée, un dispositif formant butée, par exemple une vis de réglage (46) pour la limitation de son trajet d'actionnement maximal.
  6. Dispositif selon l'une ou l'ensemble des revendications précédentes, caractérisé en ce que les deux dispositifs de freinage (14, 16) sont reliés à un corps formant coin de préhension (72) commun, qui est couplé par un seul levier d'actionnement (50) au câble d'actionnement (30) et présente des surfaces en coin (76, 78) inclinées à l'opposé l'une de l'autre, qui sont appuyées sur des surfaces complémentaires des mâchoires de pince (17, 18) du dispositif de freinage (14, 16) correspondant.
  7. Dispositif selon l'une ou l'ensemble des revendications précédentes, caractérisé en ce que le poids propre du coin de préhension (20; 72; 82) et des éléments de transmission suspendus (50; 24), qui sont mobiles approximativement dans le sens de la gravité pour le freinage, est supprimé ou compensé dans une grande mesure par une force de ressort (80).
  8. Dispositif selon l'une ou l'ensemble des revendications précédentes, caractérisé en ce que le dispositif de limitation de la vitesse (36) peut être déclenché non seulement en cas de survitesse mais aussi à une quelconque vitesse inférieure jusqu'à l'arrêt.
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
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.
EP90102262A EP0440839B2 (fr) 1990-02-06 1990-02-06 Dispositif pour empêcher des déplacements involontaires des ascenseurs

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 EP0440839A1 (fr) 1991-08-14
EP0440839B1 EP0440839B1 (fr) 1993-08-18
EP0440839B2 true 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)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59208926D1 (de) * 1991-11-18 1997-10-30 Inventio Ag Vorrichtung zum Auslösen von Sicherheitseinrichtungen
EP0787676A1 (fr) 1996-01-31 1997-08-06 Inventio Ag Dispositif de sécurité
EP0883567B1 (fr) * 1996-03-01 2000-08-16 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
EP0905079B1 (fr) * 1997-09-29 2003-05-28 Inventio Ag Dispositif de freinage
ES2146167B1 (es) * 1998-05-13 2001-04-01 Orona S Coop Freno de seguridad para una cabina de ascensor.
DE19850678C1 (de) * 1998-11-03 2000-03-16 Gerhard Schlosser Doppel-Bremsfangvorrichtung für Aufzüge oder Regalbediengeräte (RBG)
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
DE19852040C1 (de) * 1998-11-03 2000-05-25 Gerhard Schlosser Doppel-Bremsfangvorrichtung für Aufzüge oder Regalbediengeräte (RBG)
DE19906073C2 (de) 1999-02-12 2003-03-27 Inventio Ag Vorrichtung zum Verhindern unkontrollierter Beschleunigungen eines Fahrkorbs einer Aufzugsanlage
US8302739B2 (en) 2007-01-05 2012-11-06 Continental Teves Ag & Co. Ohg Brake device for a lift car
EP2125592B1 (fr) * 2007-01-05 2018-07-04 Inventio AG Cabine d'ascenseur dotée d'un dispositif de freinage installé dans la zone de la cabine d'ascenseur destiné au maintien et au freinage de la cabine d'ascenseur, installation d'ascenseur dotée d'au moins une telle cabine d'ascenseur et procédé de maintien et de freinage d'une cabine d'ascenseur
EA013029B1 (ru) * 2007-06-18 2010-02-26 Руп Завод "Могилевлифтмаш" Привод лифта
JP5472311B2 (ja) * 2009-10-28 2014-04-16 三菱電機株式会社 エレベータ用非常止め装置
IL228963A0 (en) * 2013-10-20 2014-03-06 Yoram Madar Mechanical actuation by one speed regulator, of two separate catch devices installed in one elevator that operate in opposite directions
CN106458508B (zh) 2014-05-14 2018-12-07 三菱电机株式会社 电梯装置
CN108100817B (zh) * 2018-01-30 2024-10-11 巨龙电梯有限公司 一种高速电梯补偿绳涨紧装置
CN108821064B (zh) * 2018-08-10 2024-04-19 通力电梯有限公司 电梯及其制造方法
CN118850903B (zh) * 2024-09-24 2024-12-13 河南锐晟消防技术有限公司 楼宇电梯智能安防装置
CN119976563B (zh) * 2025-04-16 2025-06-20 深圳市特种设备安全检验研究院 电梯渐进式安全钳自由落体试验触发装置和触发方法

Family Cites Families (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
GB1226439A (fr) * 1968-12-09 1971-03-31
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

Also Published As

Publication number Publication date
EP0440839B1 (fr) 1993-08-18
ES2043130T5 (es) 1999-05-01
EP0440839A1 (fr) 1991-08-14
ATE93210T1 (de) 1993-09-15
ES2043130T3 (es) 1993-12-16
DE59002392D1 (de) 1993-09-23

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