EP3927641A1 - Système de déclenchement pour un dispositif d'arrêt, installation d'ascenseur et procédé pour faire fonctionner une installation d'ascenseur - Google Patents

Système de déclenchement pour un dispositif d'arrêt, installation d'ascenseur et procédé pour faire fonctionner une installation d'ascenseur

Info

Publication number
EP3927641A1
EP3927641A1 EP20704850.5A EP20704850A EP3927641A1 EP 3927641 A1 EP3927641 A1 EP 3927641A1 EP 20704850 A EP20704850 A EP 20704850A EP 3927641 A1 EP3927641 A1 EP 3927641A1
Authority
EP
European Patent Office
Prior art keywords
car
counterweight
shaft
triggered
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
EP20704850.5A
Other languages
German (de)
English (en)
Other versions
EP3927641B1 (fr
Inventor
Bernd Altenburger
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 Elevator Innovation and Operations GmbH
Original Assignee
TK Elevator Innovation and Operations 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
Application filed by TK Elevator Innovation and Operations GmbH filed Critical TK Elevator Innovation and Operations GmbH
Publication of EP3927641A1 publication Critical patent/EP3927641A1/fr
Application granted granted Critical
Publication of EP3927641B1 publication Critical patent/EP3927641B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
    • 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
    • B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
    • 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

Definitions

  • the present invention relates to a release system for a safety gear in an elevator installation, such an elevator installation and a method for operating an elevator installation.
  • a safety device is usually provided on each of the two cars, by means of which a rapid descent or a crash of the car can be prevented.
  • a braking device on the car can be used for the lower car be provided, by means of which an upward movement can be stopped quickly and safely.
  • a braking device on the elevator car is triggered by a cable brake, in the form of such a cable brake is known from EP 1 646 575 B1, for example.
  • a release system for a safety gear a safety gear
  • Elevator system and a method for operating an elevator system with the
  • a release system according to the invention can be used for a safety gear, which can be attached to a counterweight connected to a car via a suspension element that is guided by a drive pulley coupled to a drive and guided in a shaft - or possibly also to the car.
  • the suspension element can in particular be a tension suspension element such as a rope or a belt act. Several ropes or belts are also conceivable.
  • the safety device is designed in particular such that it can be brought into engagement with a guide rail or the like along which the counterweight is moved.
  • the release device has a standing tensioning means, in particular a rope, which can be tensioned in the shaft, an actuating device by means of which a force can be exerted on the tensioning means in the longitudinal direction of the tensioning means, and a
  • Coupling device by means of which the tensioning means and the safety device can be coupled in such a way that the safety device can be triggered when the force is exerted on the rope.
  • circulating ropes are used for common speed limiters with which safety devices can be triggered, which are located in the shaft of an elevator system between the upper and lower end (usually the shaft head and shaft pit), i.e. between the areas where the safety device is, it is arranged on the counterweight (or also on the car), can move, stretched between rollers.
  • Tensioning means or rope used which can be stretched in particular between the upper and lower end in the shaft, whereby significantly less free space is required in the shaft.
  • the coupling device by means of which a force can be exerted on the clamping means, can therefore be arranged, for example, at the upper end or in the machine room, whereby it can also be triggered electrically in a particularly simple manner, since no electrical connection to the counterweight is required.
  • the clamping means can be attached, for example, by means of the coupling device, which will be described in more detail later.
  • the tensioning means can be fastened to the floor, for example, or it can be tensioned by a tensioning mass which is optionally also fastened to the floor. If necessary, a
  • Ratchet device or a freewheel can be provided to move the
  • a release system for a safety gear which can be attached to a counterweight, is provided, which is particularly simple and space-saving, and also has no electrical connection to the
  • the actuating device can be triggered electrically.
  • the actuating device has in particular a
  • Electromagnet by means of which the actuating device can be triggered.
  • a counterpart can be held by electromagnetic force when the current is applied.
  • the electromagnet is also referred to as a release magnet.
  • the actuating device preferably has a spring element and / or a lever arm, by means of which the force can be exerted on the clamping means directly or indirectly.
  • a spring element for example a compression spring, can be used to exert a force on a lever arm on which the
  • Clamping means is attached.
  • the lever arm can be held in an initial position, for example against the force of the spring element.
  • the force of the spring element can be released, as a result of which a force is exerted on the clamping means via the lever arm, and with which the safety device is triggered.
  • Resetting device is provided, in particular with a linear drive, by means of which the actuating device can be brought from an actuating position into a release position after being triggered. So that the actuator is after a any release can be brought back into the starting position particularly easily.
  • the resetting device can in particular also be designed such that it can be operated remotely.
  • Such a reset device can in particular also (or only) be provided for the safety gear.
  • the coupling device has an actuating element which, when the force is exerted on the clamping means, for triggering or
  • the coupling device for this purpose can have a guide system comprising the actuating element and guide elements in which the clamping means is guided, the actuating element being movable relative to the guide elements and in particular being set up to be moved when the force is exerted on the clamping means.
  • Guide elements as well as the actuation element can be designed as rollers along which the tensioning means or cable is moved.
  • a lateral offset and a suitable arrangement with respect to one another can thus achieve that the additional, through the coupling device, on the clamping means in
  • the force exerted in the longitudinal direction is converted into a force with at least one component perpendicular to the longitudinal direction of the clamping means.
  • the safety gear itself has safety wedges, for example, which can be brought between a guide rail for the counterweight and a counterpart.
  • safety wedges for example, which can be brought between a guide rail for the counterweight and a counterpart.
  • brake pads that are pressed against the guide rail are also conceivable.
  • the coupling device can be designed to move the Implement the actuating element in an actuation or triggering of the safety gear.
  • the invention also relates to an elevator system with at least one car that can be moved in a shaft, a counterweight that is connected to the car via a suspension element that is guided via a drive pulley coupled to a drive and that is guided in the shaft, a safety gear arranged on the counterweight and a release system according to the invention. It is particularly preferred if - as already mentioned - the actuating device is arranged in a machine room that includes the drive.
  • the elevator system has a further car, which is arranged above the car in the shaft and can be moved.
  • a safety gear can also be provided on a counterweight of the further car and triggered if necessary.
  • the safety device or a further safety device is preferably further coupled to the clamping device in such a way that the further safety device or devices is triggered when its speed relative to the clamping device exceeds a limit value
  • the elevator system advantageously also has a control device which is set up to detect a distance and / or a relative speed between the two elevator cars and, if the distance or the
  • Relative speed falls below or exceeds an associated limit value to actuate the actuating device. It should be noted here that if the distance falls below the limit value, it must be exceeded in the case of the relative speed.
  • the control device used here can be, for example, a separate safety control device, or else a control device that is usually used anyway for the entire elevator system.
  • the invention also relates to a method for operating a
  • Elevator system with a car for which a counterweight is provided which is connected to the car via a suspension element which is guided via a drive pulley coupled to a drive and which is guided in a shaft. If necessary, a movement of the counterweight is now braked by a force being exerted in the longitudinal direction of the tensioning device by means of an actuating device on a standing tensioning means, in particular a rope, tensioned in the shaft, whereby a
  • Coupling device a safety gear attached to the counterweight is triggered.
  • the coupling device is preferably triggered only when the lower car moves upwards. This can be done, for example, using a suitable control device in which the direction of movement of the elevator car is known or recorded.
  • a further car is advantageously also moved in the shaft above the (first and then lower) car.
  • a distance and / or a relative speed between the two cars is then preferably also detected, and if the distance or the
  • Relative speed falls below or exceeds an associated limit value the coupling device is triggered. It should be noted here that in the case of distance fallen below the limit value, must be exceeded in the case of the relative speed.
  • FIG. 1 shows schematically an elevator system according to the invention in one
  • FIG. 2 shows schematically a release system according to the invention in one
  • FIG. 3 shows schematically part of the release system from FIG. 2 in more detail
  • FIG. 4 shows schematically a part of the release system from FIG. 2 in more detail
  • FIG. 1 an elevator installation 100 according to the invention is shown schematically in a preferred embodiment.
  • the elevator system 100 has a shaft 110 in which two cars are located one above the other, a lower car 120 and an upper car 121. Both cars can be moved in the shaft 110 independently of one another. This can take place, for example, via a control device 190, indicated here only schematically, which can also be arranged, for example, in the indicated machine room 160 at the upper end of the shaft 110.
  • a drive 161 with a traction sheave 162 is provided in the machine room 160 for the lower car 120.
  • the drive is arranged by way of example on or on a floor 164 of the machine room 160.
  • a suspension element 111 in particular a tension suspension element, designed here as a rope and by means of which the lower elevator car 120 is connected to an associated first counterweight 125, is guided over the traction sheave 162 (and possibly also a deflection roller, as shown).
  • the car 120 and the first counterweight 125 can thus be moved up and down in opposite directions in the shaft.
  • a second counterweight 126 is correspondingly provided for the upper car 121.
  • the elevator car 121 and the second counterweight 126 can - like the lower elevator car 120 and the first counterweight 125 - be connected via a support means which is guided on a drive via a drive pulley. In the illustration shown, however, the further drive and the further drive pulley are not shown for the sake of clarity.
  • the two counterweights 125 and 126 are placed side by side in the shaft 110, i. the vertical projections of the two counterweights on a floor of the shaft 110 lie next to one another. In particular, the two will
  • Counterweights are also arranged on or near a wall of the shaft 110 in order to ensure proper operation of the elevator system.
  • a first safety device 140 is arranged on the lower car 120 in order to prevent the car from falling down in the shaft 110 in an emergency.
  • a second safety device 141 is arranged on the upper car 121. In the case of the elevator installation shown here with two elevator cars located one above the other in the shaft 110, it must be ensured that a collision of both
  • monitoring of the distance and / or the relative speed of the two cars to one another can also be monitored, for example using control device 190 and possibly suitable sensors or the like.
  • a third safety device 230 is arranged on the associated first counterweight 125.
  • Speed limiters require a revolving rope, which as a rule cannot be used due to the arrangement of the two counterweights side by side due to the limited free space. Likewise, as mentioned, only a speed-dependent triggering can generally take place.
  • this third safety device 230 has a coupling device 220 on the first counterweight 125 and a
  • Has actuating device 210 which is arranged in the machine room 160.
  • a triggering system 200 according to the invention is shown schematically in a preferred embodiment, which can be used, for example, with the elevator system shown in FIG. 1 or the safety device present there on the counterweight.
  • the actuating device 210 in particular in the machine room, e.g. B. on the bottom 164, and the
  • Coupling device 220 which is arranged together with the third safety device 230 on the first counterweight 125, is shown.
  • a tensioning means 241 designed as a rope is shown, which can be arranged between the actuating device 210 and a tensioning mass 240, which is close to the shaft floor (that is, for example, in the shaft pit).
  • the clamping means 241 can thus be clamped.
  • the tensioning mass 240 can be fastened in particular by means of a ratchet device or a freewheel in such a way that yielding of the tensioning device, in particular an upward movement of the tensioning device, is not possible.
  • the clamping means 241 is fastened to the shaft bottom in some other way.
  • clamping means 241 runs through the coupling device 220, via which the third safety device 230 can be triggered. Reference is made to FIG. 3 for a more detailed description.
  • FIG. 3 part of the release system from FIG. 2 is shown schematically in more detail, namely in two views. A non-triggered position or an initial position of the triggering system is shown on the left, and a triggered position or an actuation position is shown on the right.
  • the tensioning means 241 is fastened to a lever arm 211 which is mounted rotatably about a pivot point 212.
  • a first spring element 213, in particular designed as a compression spring a force is exerted on the lever arm 211 upwards.
  • an electromagnet 214 is provided which in the energized state the lever arm 211 against the spring force of the first
  • a guide system comprising two guide elements 223 and 224 designed as guide rollers and an actuating element 221, in particular designed as a roller, is now provided in the coupling device 220.
  • the rope 241 is deflected between the guide elements 223 and 224 and over the
  • Actuating element 221 out. A force, denoted here by F N , is now exerted on the actuating element 221 by the tensioned cable 241.
  • a further, in particular designed as a tension spring, second spring element 222 is also attached to the actuating element 221, by means of which a force, here denoted by F F, is exerted on the actuating element 221 against the force caused by the tensioning means.
  • F F a force
  • Actuating device 210 and thus the catching device (for this, reference is also made to FIG. 4) is triggered.
  • the electromagnet 214 currentless - for example by actively interrupting the power supply - the first spring element 213 can pull the lever arm 211 and thus the tensioning means 241 attached to it upwards or exert a force, here denoted by F z .
  • the electromagnet is controlled or supplied with current, for example, by means of the control device mentioned.
  • the safety gear 230 is actuated.
  • FIG. 4 a part of the release system from FIG. 2 is shown schematically in more detail.
  • the coupling device 210 as already shown in FIG. 3, and the safety device 230, here only schematically and by way of example, are shown.
  • the safety device has a lever arm system 232, with which it is connected to the actuating element 221.
  • the actuating element 221 By moving the actuating element 221 to the left in the event of the release system being triggered, as has been explained in relation to FIG also pulled - as indicated by arrow.
  • a safety gear can be triggered on a counterweight from the machine room and thus also in particular electrically.
  • the trigger system could also be used in the case of a safety gear on the counterweight of the upper car, for example to prevent this upper car from colliding with a shaft ceiling.
  • this can also be used in an elevator system with only one car with a counterweight.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

L'invention concerne un système de déclenchement (200) pour un dispositif d'arrêt (230), lequel dispositif d'arrêt peut être monté sur un contrepoids (125) relié à une cabine par l'intermédiaire d'un moyen de suspension, qui est guidé sur une poulie motrice accouplée à un entraînement, et guidé dans une cage, ou sur la cabine (120), ledit système étant caractérisé par un moyen de tension (241) stationnaire pouvant être tendu dans la cage, un dispositif d'actionnement (210), au moyen duquel, en cas de besoin, une force peut être exercée sur le moyen de tension (241) dans la direction longitudinale du moyen de tension, et un dispositif d'accouplement (220), au moyen duquel le moyen de tension (241) et le dispositif d'arrêt (230) peuvent être accouplés de telle sorte que le dispositif d'arrêt (230) peut être déclenché lorsque la force est exercée sur le moyen de tension (241). L'invention concerne également une installation d'ascenseur pourvue d'un tel système de déclenchement (200) et un procédé pour faire fonctionner une installation d'ascenseur.
EP20704850.5A 2019-02-20 2020-02-11 Système de déclenchement pour un dispositif d'arrêt, installation d'ascenseur et procédé pour faire fonctionner une installation d'ascenseur Active EP3927641B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019104339.5A DE102019104339A1 (de) 2019-02-20 2019-02-20 Auslösesystem für eine Fangvorrichtung, Aufzugsanlage und Verfahren zum Betreiben einer Aufzugsanlage
PCT/EP2020/053396 WO2020169399A1 (fr) 2019-02-20 2020-02-11 Système de déclenchement pour un dispositif d'arrêt, installation d'ascenseur et procédé pour faire fonctionner une installation d'ascenseur

Publications (2)

Publication Number Publication Date
EP3927641A1 true EP3927641A1 (fr) 2021-12-29
EP3927641B1 EP3927641B1 (fr) 2024-08-21

Family

ID=69570675

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20704850.5A Active EP3927641B1 (fr) 2019-02-20 2020-02-11 Système de déclenchement pour un dispositif d'arrêt, installation d'ascenseur et procédé pour faire fonctionner une installation d'ascenseur

Country Status (4)

Country Link
EP (1) EP3927641B1 (fr)
CN (1) CN113498399B (fr)
DE (1) DE102019104339A1 (fr)
WO (1) WO2020169399A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60193373U (ja) * 1984-05-30 1985-12-23 株式会社東芝 エレベ−タ用安全装置
FR2793230B1 (fr) * 1999-05-04 2001-07-06 Thyssen Ascenseurs Systeme de freinage automatique d'une cabine d'ascenseur
DE50209397D1 (de) * 2002-11-09 2007-03-15 Thyssenkrupp Elevator Ag Sicherheitseinrichtung für aufzugssystem mit mehreren aufzugskabinen in einem schacht
DE10334654A1 (de) * 2003-07-22 2005-02-10 Thyssenkrupp Elevator Ag Seilbremse
DE102009019079A1 (de) * 2009-04-21 2010-11-04 Thyssenkrupp Aufzugswerke Gmbh Geschwindigkeitsbegrenzer
DE102011001449A1 (de) * 2011-03-21 2012-09-27 K-Solutions Gmbh Sicherheitsfangvorrichtung für eine Aufzugsanlage sowie Verfahren zur Sicherung einer schienengeführten Aufzugskabine einer Aufzugsanlage
BR112013018122B1 (pt) * 2011-09-30 2021-03-09 Inventio Ag dispositivo de freio para elevador para frenagem de uma cabine de elevador, instalação de elevador e método para a frenagem de uma cabine de elevador
CN205855731U (zh) * 2016-07-27 2017-01-04 江南嘉捷电梯股份有限公司 一种曳引机
CN106629303B (zh) * 2016-12-27 2018-11-30 廖忠民 齿轮齿条升降设备水平电磁杠杆安全制动装置

Also Published As

Publication number Publication date
WO2020169399A1 (fr) 2020-08-27
DE102019104339A1 (de) 2020-08-20
CN113498399B (zh) 2023-08-11
CN113498399A (zh) 2021-10-12
EP3927641B1 (fr) 2024-08-21

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