EP1840068A1 - Ascenseur comprenant und dispositif de frein de cabine d'ascenseur et méthode de freinage d'une cabine d'ascenseur - Google Patents

Ascenseur comprenant und dispositif de frein de cabine d'ascenseur et méthode de freinage d'une cabine d'ascenseur Download PDF

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Publication number
EP1840068A1
EP1840068A1 EP06111955A EP06111955A EP1840068A1 EP 1840068 A1 EP1840068 A1 EP 1840068A1 EP 06111955 A EP06111955 A EP 06111955A EP 06111955 A EP06111955 A EP 06111955A EP 1840068 A1 EP1840068 A1 EP 1840068A1
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EP
European Patent Office
Prior art keywords
hydraulic
elevator car
elevator
brake
pressure
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.)
Withdrawn
Application number
EP06111955A
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German (de)
English (en)
Inventor
Alex Oberer
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.)
Inventio AG
Original Assignee
Inventio AG
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 Inventio AG filed Critical Inventio AG
Priority to EP06111955A priority Critical patent/EP1840068A1/fr
Priority to DE102007015277A priority patent/DE102007015277A1/de
Publication of EP1840068A1 publication Critical patent/EP1840068A1/fr
Withdrawn legal-status Critical Current

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    • 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
    • B66B5/02—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
    • 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 an elevator installation with an elevator cage brake device and to a method for braking an elevator cage.
  • Out EP0648703 is a hydraulically operated braking device for braking an elevator car is known, which serves on the one hand in the case of detected overspeed as a safety brake or safety gear and on the other hand can also be used as a holding brake.
  • the braking device comprises at least one brake unit cooperating with a guide rail of the elevator car, in which friction between a brake plate of the brake unit and the guide rail and thus a braking force braking the elevator car is generated by acting on a brake piston with a pressure fluid.
  • the pressure in the pressure fluid acting on the brake piston is generated by a motor-driven pump which is part of a hydraulic unit installed on the elevator car.
  • a hydraulic unit with electric motor, engine control, hydraulic pump, pressure relief valve and pressure monitoring is required, which is installed on the elevator car.
  • Such a hydraulic unit causes considerable procurement installation and maintenance costs.
  • the hydraulic unit generates noise and vibration, which are perceived by the elevator passengers as unpleasant. So that such a hydraulic unit even in case of power failure its Function as a safety brake in case of overspeed of the elevator car, an emergency power supply is required, which is associated with additional costs for material, installation and maintenance.
  • the braking device is not fail-safe because of the significant number of components such as the engine control, the motor current fuse, the control valves (directional control valves), the pressure control valves and the pressure accumulator.
  • the object of the invention is to propose an elevator installation with an elevator cage and an elevator cage brake device as well as a method for braking an elevator cage which does not have the mentioned disadvantages of the device cited as the prior art.
  • an elevator car braking device is to be provided which can be simply and inexpensively manufactured and installed, generates no noise and no vibrations, comprises only practically fail-safe components and therefore guarantees an extremely low failure probability and requires low maintenance.
  • the object is achieved by the elevator installation described below with an elevator cage brake device and by a method according to the invention for braking an elevator cage.
  • the elevator cage braking device comprises at least one hydraulically activated braking unit acting between an elevator car and a stationary brake body and a speed limiter, wherein a hydraulic pressure generating device is attached to the elevator car and the speed limiter is equipped with a speed limiter cable cooperates, which is coupled to the hydraulic pressure generating device.
  • the invention is therefore based on the idea of activating brake units of an elevator car brake device in the presence of an impermissible operating state and consequently blocked speed governor cable in that the blocked speed governor cable actuates a hydraulic pressure generating device on the moving elevator car which has at least one, but preferably a plurality of hydraulically activatable, via at least one connecting line Braking units of the elevator car activated.
  • the hydraulic pressure generating device comprises a hydraulic cylinder serving as a pumping device with at least one pump piston.
  • the pump piston is fixed on a piston rod of the hydraulic cylinder and the piston rod is coupled to the speed governor cable.
  • the hydraulic pressure generating device is connected via at least one hydraulic connecting line to at least one hydraulic actuator of at least one hydraulically actuated brake unit. This ensures that with minimal effort and with minimal installation space several brake units can be activated on the elevator car without complex connecting rods are required.
  • the hydraulic cylinder includes an elastic return element, preferably in the form of a compression spring which in normal operation of the elevator with the pump piston a biasing force resiliently biased against an end position in the hydraulic cylinder.
  • the hydraulic cylinder includes a resilient centering device which fixes the pump piston with a certain biasing force, but yielding in a middle position in the hydraulic cylinder during normal operation of the elevator, and that the pump piston by the speed governor rope from said center position in two opposing directions is displaced.
  • the resiliently biased fixation of the pump piston in the center position ensures that when accelerating or decelerating the elevator car, the inertial force acting on the pump piston from the speed governor rope can not actuate the hydraulic pressure generating device.
  • blocking the governor rope during travel of the elevator car allows it to deflect the pump piston through the governor cable in up and down directions.
  • upward deflection of the pump piston causes activation of a first group of hydraulic actuators and downward deflection of the pump piston activates a second group of hydraulic actuators.
  • a deflection of the pump piston causes upward at least one actuator of at least one brake unit with a first fluid pressure and a deflection of the pump piston down the loading thereof at least an actuator of the same at least one brake unit with a second fluid pressure.
  • the brake unit is present in the form of a safety gear attached to the elevator car, which comprises at least one clamping element which can be brought into frictional contact with a stationary brake body and subsequently into a clamping position by the hydraulic actuator in the event of an inadmissible operating state is, which has a braking effect between the brake unit (safety gear) and the existing in the form of a guide rail stationary brake body result.
  • the system with hydraulically activated actuators can activate virtually all known embodiments of elevator safety devices with low space requirements and with little effort reliable.
  • the brake unit comprises a hydraulic actuator and at least one friction element, which are arranged so that when the elevator car is moving and the speed governor cable is blocked, the at least one friction element is moved against the hydraulic actuator by a hydraulic actuator stationary brake body is pressed.
  • An elevator cage brake device according to this principle has the advantage that it consists of very simply constructed, compact brake units which, when activated, cause a lower jerk than brake units which are based on the principle of clamping elements which can be brought into clamping position.
  • an elevator car braking device which comprises a brake unit with a hydraulic actuator and a frictional element which can be pressed against a stationary brake body, in that at least one pressure regulating valve is provided with which the fluid pressure can be regulated, that of the hydraulic one Pressure generating device via the connecting line to the hydraulic actuator is transferable. This ensures an easily practicable adaptation of the braking force to given or changed system properties.
  • an elevator car brake device comprising a control device cooperating with the pressure control valve, which is designed so that the hydraulic pressure acting on the actuator in dependence on a detected payload in the Elevator cabin or is controlled by a detected delay of the elevator car.
  • FIG. 1 shows a schematic representation of an elevator installation 101 according to the invention with an elevator car 103 guided on guide rails 102.
  • the elevator installation is equipped with an elevator car braking device 104 which has two brake units 105 with hydraulic actuators 106, one cooperating with the guide rails 102 and attached to the elevator car 103
  • Speed limiter 107 with a speed limiter cable 108 and a hydraulic pressure generating device 110 includes.
  • braking units 105 in the case of the illustrated elevator installation 101, two safety gears designed only for braking the elevator car 103 when traveling downwards are used which are fastened to the elevator car (only one of the safety gears is shown in each case).
  • the brake units 105 (safety gears) comprise clamping elements 112 designed as catching wedges which, when a braking operation is triggered by the hydraulic actuators 106, engage narrowing guides 113 on the housing of the safety gear lifted and thereby brought into frictional contact with a stationary brake body - in the present case with a guide rail 102 of the elevator car.
  • the speed limiter 107 is fixedly installed in an end area of an elevator shaft (not shown) and has a sheave 107.1 which, together with a cable tensioning roller 109 installed in the opposite end area of the elevator shaft, guides a speed limiter cable 108.
  • the speed limiter cable 108 wraps around the cable pulley 107.1 and the rope tensioning pulley 109, with its two cable pulleys extending at least over the entire travel path of the elevator car.
  • One of the two cable chambers of the speed limiter cable 108 is connected to the hydraulic pressure generating device 110 attached to the elevator car 103 and moves synchronously with the elevator car during normal operation of the elevator system.
  • the speed limiter 107 is designed so that its pulley 107.1 and thus the speed limiter cable 108 are blocked as soon as the peripheral speed of the sheave, or the speed of the Speed limiter rope, exceeds a defined value.
  • the blocking of the sheave 107.1 and the speed limiter cable 108 can also be effected in the presence of other inadmissible operating conditions, preferably by a control device on the speed limiter 107 electromagnetically activated by a control.
  • Impermissible operating conditions are, for example, the mentioned overspeed, the drifting away or the unintentional driving away of the elevator car 103 from a stopping position on a floor, or an insufficiently reduced speed of the traveling elevator car in a shaft end area.
  • FIG. 2 shows a more detailed illustration of the pressure generating device 110 mentioned in connection with FIG. 1 and the hydraulic actuators 106 of the brake units 105 (safety gears).
  • the pressure generating device 110 comprises a pump device in the form of a hydraulic fluid-filled hydraulic cylinder 110.1 filled with hydraulic fluid. This comprises a hollow cylinder 110.1.1, two cylinder covers 110.1.2, 110.1.3, a continuous piston rod 110.1.4 and a fixed on the piston rod pump piston 110.1.5.
  • the pump piston and the piston rod are displaceable in the hollow cylinder 110.1.1, wherein the pump piston 110.1.5 is resiliently biased by an elastic return element in the form of a compression spring 110.1.6 against the lower cylinder cover 110.1.3, to ensure that it is in normal operation of Elevator system, in acceleration or deceleration of the elevator car, is not displaced by the inertia of the speed governor rope 108 in the pressure generating device 110.
  • the continuous piston rod 110.1.4 is coupled to the speed governor cable 108, wherein in each case one end of the piston rod - for example by means of a cable press connection - is connected to one end of the speed limiter cable 108.
  • the pressure generating device 110 also includes a pressurized fluid reservoir 110.2, which is connected to the pressure chamber 110.1.7 of the pressure generating device 110 present between the pump piston 110.1.5 and the cylinder cover 110.1.2 which is further away from it.
  • Two manually releasable check valves 110.3, 110.4 which on the one hand serve to control the pressure fluid during the actuation of the pressure generating device and on the other hand prevent the return flow of the hydraulic fluid from the hydraulic actuators after a braking operation until this backflow deliberately by manual actuation of the unlocking of the check valves is initiated.
  • Said pressure chamber 110.1.7 of the pressure generating device 110 is connected via connecting lines 111 to the pressure chambers of the hydraulic actuators 106, which are provided on the safety gears forming the brake units 105.
  • Each of the hydraulic actuators 106 comprises a hollow cylinder 106.1 closed at both ends and an actuator piston 106.2 arranged in the latter, which can lift a clamping element 112 of the brake units 105 via an actuator piston rod 106.3.
  • the clamping elements of the brake units 105 are activated when the pressure fluid from the pressure generating device in the pressure chambers 106.5 of the actuators 106 is pressed.
  • FIG. 3 shows an elevator car brake device 304 having the same brake units 105 and a similar pressure generator 310 operated by the speed governor cable 108 as the elevator car brake device 104 illustrated in FIGS. 1 and 2.
  • the pressure generating device 310 shown in FIG acting as a pumping hydraulic cylinder 310.1 with two separate pressure chambers 310.1.7 and 310.1.8, wherein in each of the two pressure chambers depending on a pump piston 310.1.5.1, 310.1.5.2 is arranged and both pump pistons are fixed to the same piston rod 310.1.4.
  • Each of the two pressure chambers 310.1.7 and 310.1.8 is connected via a separate connecting line to the hydraulic actuator or the actuators 106 of one of the two brake units 105.
  • This embodiment of the elevator installation according to the invention has the advantage that when blocking the speed governor rope in the case of an impermissible operating state, the two usually mounted on each side of the elevator car brake units (safety gears) are necessarily activated synchronously because the actuators each brake unit, which in braking units in the form of safety gears relatively large activation paths make, the same amount of pressurized fluid is supplied at the same time. This avoids such a braking that the elevator car or the guide rails is exposed to unacceptably high loads due to not acting on both sides of the elevator car simultaneously braking forces.
  • the illustrated pilot-operated check valves 310.3.1 and 310.3.2 prevent relief of the hydraulic actuators when the pressure in the pressure generating device 310 drops after braking. For the intended relief of the hydraulic actuators, the check valves 310.3.1 and 310.4.1 or 310.3.2 and 310.4.2 must be manually unlocked together.
  • FIG. 4 shows an elevator car brake device 404 with a pressure generating device 110 actuated by the speed governor cable 108 and two brake units 405, each of which has a hydraulic actuator 406.
  • Each actuator comprises an actuator piston 406.2 arranged in a hollow cylinder 406.1 and two friction elements in the form of brake plates 415.
  • the actuator piston and the two brake plates are installed in a brake housing 416 into which the hollow cylinder 406.1 is integrated.
  • the brake housing 416 of the brake units 405 are on the elevator car, not shown here - horizontally slightly displaceable - fixed, wherein the brake housing 416 a a stationary brake body forming guide rail 102 at least partially surrounds with opposing braking surfaces.
  • the two brake plates 415 are arranged in the brake housing so that each one of them faces one of the braking surfaces of the guide rail 402 so that each of the brake plates is pressed against its associated braking surface when pressurizing fluid is applied to the actuator piston 406 and onto one of the brake plates 415 presses.
  • the pressure generating device 110 corresponds to that described above in connection with FIGS. 1, 2.
  • two manually unlockable check valves 110.3, 110.4 serve to control the hydraulic fluid in the operation of the pressure generating device 110 and on the other hand after a braking operation, the fluid pressure in the hydraulic actuators 406 maintained until the actuators aware by manual operation of the unlocking be relieved of fluid pressure called check valves.
  • FIG. 5 shows an elevator car brake device 504 with a pressure generating device 510 actuated by the speed governor cable 108, two brake units (505A) acting in the downward direction of the elevator car, and two upward-acting brake units 505B which are in the form of downward-acting safety gears.
  • a downward-acting lower (505A) and an upward-acting upper (505B) safety gear are installed in a common catching housing 514, one catching housing being mounted on each side of the elevator car 103.
  • the braking forces generated by the lower safety gear (505A) when driving in the downward direction are higher than the braking forces generated for upward travel braking by the upper safety gears (505B).
  • each of the lower brake units 505A is equipped with two hydraulic actuators 506A
  • each of the upper brake units (safety gears) is equipped with two actuators 506B.
  • the actuators 506A initiate the braking operation in the downward direction by lifting the clamping members 512A (tethers) of the lower tethers 505A
  • the actuators 506B initiate the braking operation in the upward direction by lowering the clamping members 512B of the upper tethers 505B.
  • the tripping operation is described above in connection with FIGS. 1 and 2.
  • a pressure generating device 510 is also present in this embodiment of the invention, which is actuated when the speed limiting cable 108 is locked due to the relative movement between the latter and the traveling elevator car.
  • the pressure generating device 510 according to FIG. 5 comprises a hydraulic cylinder 510.1, which acts as a pumping device and is filled with hydraulic fluid, with a continuous piston rod 510.1.4 and a hollow cylinder 510.1.1, which is divided into two separate cylinder chambers, one in each of the cylinder chambers Piston rod 510.1.4 fixed pump piston 510.1.5 is arranged.
  • the pressure generating device 510 can be actuated by the blocked speed limiter cable 108 in both directions of travel of the elevator car, that is with the speed governor cable coupled piston rod 510.1.4 by a Federzentriervorraum 520 resiliently fixed in a middle position in which the two mounted on the piston rod pump piston 510.1.5 are positioned in the middle of the length of the respective associated cylinder chambers of the hydraulic cylinder 510.1.
  • the spring centering device 520 ensures that a higher force is required for deflecting the piston rod and the two pump pistons, than the force that is to be transmitted to accelerate or decelerate the speed governor rope via the piston rod on this.
  • the pressure generating device 510 or the hydraulic cylinder 510.1, have two cylinder chambers and two coupled pumping pistons, in order to ensure that the two - usually mounted on each side of the elevator car - brake units 505 (safety gears) can be activated synchronously, as already described in connection with FIG. 3.
  • the piston rod becomes 510.1.4 and the two pump plungers 510.1.5 in the hydraulic cylinder 510.1 are displaced downwards so that the hydraulic fluid is displaced from the two pressure chambers 510.1.9, 510.1.10 located below the pump pistons and via the connecting lines 511B to the upper hydraulic actuators 506B of the two upper ones Braking units 505 B (safety gears) is supplied.
  • the pressure generating device 510 is a pressure fluid reservoir 510.2 recognizable, which is connected via four connecting lines, each with a pilot-operated check valve 510.4 with the pressure chambers 510.1.7 - 510.1.10 of the hydraulic cylinder 510.1.
  • the check valves make it possible to draw in pressure fluid into the pressure chambers, and on the other hand prevent pressure fluid from flowing from the one hydraulic system associated with one brake unit into the system assigned to the other brake unit when the pressure generating device 510 is actuated. As a result, the synchronous activation of each lower or respectively all upper hydraulic actuators of both brake units remains ensured.
  • FIG. 6 shows another embodiment of an elevator car brake device 604, which comprises a pressure generating device 610 operated by the speed governor cable 108 and two brake units 605 attached to the elevator car (not shown).
  • the brake units 605 and their hydraulic actuators 606 are identical to the brake units 405 and actuators 406 described in connection with FIG. 4.
  • the pressure generating device 610 is therefore designed so that it can be operated by the speed limiter cable 108 when traveling downwards, as in the case of upward movement of the elevator car. It essentially corresponds to the pressure generating device 510 described in connection with FIG.
  • the hydraulic cylinder 610.1 of the pressure generating device 610 according to FIG. 6 has only a single cylinder chamber in which a single pump piston 610.1.5 fixed on the piston rod 610.1.4 is arranged.
  • the pressure chambers 610.1.7 and 610.1.9 of the hydraulic cylinder 610.1 lying above and below the pump piston are connected via a respective connecting line 611A or 611B, which each lead via a check valve 610.3, to a common connecting line 611C which communicates with each of the hydraulic Actuators 606 both brake units 605 is in communication.
  • both brake units 605 is in communication.
  • adjustable pressure regulating valves 621.1 are connected in both connecting lines 611A, 611B which connect the pressure chambers 610.1.7, 610.1.9 of the pressure generating device 610 to a common connecting line 611.C leading to the hydraulic actuators. 621.2 installed.
  • Each of the two pressure chambers of the pressure generating device is thus assigned a pressure control valve so that the occurrence of an impermissible operating state and consequent blocking of the speed governor rope 108 depending on the direction of travel of the elevator car different levels of braking forces can be generated.
  • the adjustment of the pressure control valves 621.1, 621.2 can be done manually via an adjusting screw.
  • pressure control valves are used in which the height of the secondary maximum occurring fluid pressure can be regulated by a control device 622.
  • the control device 622 controls the maximum pressure on the secondary side of the pressure control valves as a function of the current load in the elevator car, which is detected by a conventional load measuring device 623 or depending on the detected during the braking process on the elevator car by a delay measuring device 624 delay.
  • the calculation of the pressure set point for the pressure regulating valves carried out by the control device 622 is performed 621.1, 621.2 the measured values of both measuring devices are included.
  • various check valves 610.3, 610.4, 610.5 are present.
  • the check valves 610.3 have the task of preventing the premature drop in the brake pressure in the hydraulic actuators of the brake units. At the same time they decouple the pressure chamber 610.1.7 and the pressure control valve 621.1 comprehensive pressure generating range for braking when traveling downwards from the pressure generating area for braking when driving upwards comprising the pressure chamber 610.1.9 and the pressure control valve 621.2.
  • the check valves 610.4 allow the sucking of pressure fluid from the pressure fluid reservoir 610.2, and they also prevent the mutual influence of the two pressure generating areas.
  • the pilot operated check valve 610.5 is designed to relieve the hydraulic actuators of the pressure of the hydraulic fluid when the cause of the improper operating condition has been eliminated.
  • unlockable check valves disclosed in connection with the elevator car brake devices according to FIGS. 2-6 can of course also be used with electromagnetic Unlocking be enabled to allow a more comfortable remote control.
  • a rotary pump could be actuated via a sheave by the speed governor rope.
  • the pump piston of a hydraulic cylinder could also be driven by means of pulley and threaded spindle or via a lever-toothed rack and pinion system.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Types And Forms Of Lifts (AREA)
EP06111955A 2006-03-29 2006-03-29 Ascenseur comprenant und dispositif de frein de cabine d'ascenseur et méthode de freinage d'une cabine d'ascenseur Withdrawn EP1840068A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06111955A EP1840068A1 (fr) 2006-03-29 2006-03-29 Ascenseur comprenant und dispositif de frein de cabine d'ascenseur et méthode de freinage d'une cabine d'ascenseur
DE102007015277A DE102007015277A1 (de) 2006-03-29 2007-03-29 Aufzugsanlage mit einer Aufzugskabinenbremseinrichtung und Verfahren zum Bremsen einer Aufzugskabine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06111955A EP1840068A1 (fr) 2006-03-29 2006-03-29 Ascenseur comprenant und dispositif de frein de cabine d'ascenseur et méthode de freinage d'une cabine d'ascenseur

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EP1840068A1 true EP1840068A1 (fr) 2007-10-03

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EP (1) EP1840068A1 (fr)
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WO2011157627A1 (fr) 2010-06-15 2011-12-22 Inventio Ag Frein d'arrêt à dispositif de blocage
WO2013006952A1 (fr) * 2011-07-08 2013-01-17 Imre Horvath Appareil de sécurité pour ascenseur hydraulique
CN104817006A (zh) * 2015-05-20 2015-08-05 南通中尧特雷卡电梯产品有限公司 一种电梯减震装置
EP3153451A1 (fr) * 2015-10-08 2017-04-12 Cobianchi Liftteile Ag Déclencheur de parachute à prise progressive
DE102016217790A1 (de) 2016-09-16 2018-03-22 Thyssenkrupp Ag Bremsvorrichtung für eine Aufzugsanlage
EP3342740A1 (fr) * 2016-12-29 2018-07-04 KONE Corporation Procédé permettant d'éviter le déclenchement indésirable d'un engrenage de sécurité dans un système d'arrêt de sécurité d'un système d'ascenseur et système d'arrêt de sécurité
WO2018138757A1 (fr) * 2017-01-24 2018-08-02 三菱電機株式会社 Dispositif d'arrêt d'urgence d'ascenseur
CN109052127A (zh) * 2018-10-23 2018-12-21 徐州市工大三森科技有限公司 一种两自由度反馈调整夹绳机构
WO2019069453A1 (fr) * 2017-10-06 2019-04-11 三菱電機株式会社 Appareil d'arrêt d'urgence d'ascenseur
CN113979259A (zh) * 2021-09-29 2022-01-28 浙江省特种设备科学研究院 一种电梯限速防坠器及电梯
US20230011263A1 (en) * 2019-12-12 2023-01-12 Inventio Ag Brake device, e.g. with a wedge-shaped brake element, for braking a travelling body that can be moved in a guided manner along a guide rail in a movement direction

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DE202011051664U1 (de) 2011-10-18 2012-01-13 Slc Sautter Lift Components Gmbh & Co. Kg Bremseinrichtung für einen Aufzug
DE102014206461A1 (de) 2014-04-03 2015-10-08 Thyssen Krupp Elevator Ag Aufzug mit einer Bremsvorrichtung
DE102014104865A1 (de) 2014-04-04 2015-10-08 Thyssenkrupp Ag Aufzug mit einer Bremsvorrichtung
DE102022113871A1 (de) 2022-06-01 2023-12-07 Tk Elevator Innovation And Operations Gmbh Sicherheitsvorrichtung für einen Fahrkorb einer Aufzugsanlage mit einer Sensoreinrichtung

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DE202004017587U1 (de) * 2004-11-12 2005-01-20 Hydraulik-Liftsysteme Walter Mayer Gmbh Geführte Hebeeinrichtung mit gedämpfter Fangvorrichtung
DE202004017585U1 (de) * 2004-11-12 2005-01-20 Hydraulik-Liftsysteme Walter Mayer Gmbh Geführte Hebeeinrichtung mit Festhalte- und Fangvorrichtung

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JPH061560A (ja) * 1992-06-16 1994-01-11 Hitachi Ltd エレベータ、及びその非常停止装置、及びそのアキュムレータ及び圧力流体ボンベ
DE202004017587U1 (de) * 2004-11-12 2005-01-20 Hydraulik-Liftsysteme Walter Mayer Gmbh Geführte Hebeeinrichtung mit gedämpfter Fangvorrichtung
DE202004017585U1 (de) * 2004-11-12 2005-01-20 Hydraulik-Liftsysteme Walter Mayer Gmbh Geführte Hebeeinrichtung mit Festhalte- und Fangvorrichtung

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Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011157627A1 (fr) 2010-06-15 2011-12-22 Inventio Ag Frein d'arrêt à dispositif de blocage
CN102933481A (zh) * 2010-06-15 2013-02-13 因温特奥股份公司 具有锁定机构的后备制动器
US8978832B2 (en) 2010-06-15 2015-03-17 Inventio Ag Holding brake with locking mechanism
CN102933481B (zh) * 2010-06-15 2015-04-08 因温特奥股份公司 具有锁定机构的后备制动器
RU2555252C2 (ru) * 2010-06-15 2015-07-10 Инвентио Аг Стопорный тормоз с блокировочным механизмом
WO2013006952A1 (fr) * 2011-07-08 2013-01-17 Imre Horvath Appareil de sécurité pour ascenseur hydraulique
CN104817006A (zh) * 2015-05-20 2015-08-05 南通中尧特雷卡电梯产品有限公司 一种电梯减震装置
CN104817006B (zh) * 2015-05-20 2017-05-17 南通中尧特雷卡电梯产品有限公司 一种电梯减震装置
EP3153451A1 (fr) * 2015-10-08 2017-04-12 Cobianchi Liftteile Ag Déclencheur de parachute à prise progressive
WO2018050577A1 (fr) * 2016-09-16 2018-03-22 Thyssenkrupp Elevator Ag Dispositif de freinage d'une installation d'ascenseur
US11117782B2 (en) 2016-09-16 2021-09-14 Tk Elevator Innovation And Operations Gmbh Force adjusting braking device for an elevator system
DE102016217790A1 (de) 2016-09-16 2018-03-22 Thyssenkrupp Ag Bremsvorrichtung für eine Aufzugsanlage
AU2017279728B2 (en) * 2016-12-29 2022-11-24 Kone Corporation A method for avoiding unwanted safety gear tripping in a safety stopping system of an elevator system, a safety stopping system, and an elevator system
US10669123B2 (en) 2016-12-29 2020-06-02 Kone Corporation Method for avoiding unwanted safety gear tripping in a safety stopping system of an elevator system, a safety stopping system, and an elevator system
EP3342740A1 (fr) * 2016-12-29 2018-07-04 KONE Corporation Procédé permettant d'éviter le déclenchement indésirable d'un engrenage de sécurité dans un système d'arrêt de sécurité d'un système d'ascenseur et système d'arrêt de sécurité
WO2018138757A1 (fr) * 2017-01-24 2018-08-02 三菱電機株式会社 Dispositif d'arrêt d'urgence d'ascenseur
WO2019069453A1 (fr) * 2017-10-06 2019-04-11 三菱電機株式会社 Appareil d'arrêt d'urgence d'ascenseur
JPWO2019069453A1 (ja) * 2017-10-06 2020-02-27 三菱電機株式会社 エレベータの非常止め装置
CN109052127A (zh) * 2018-10-23 2018-12-21 徐州市工大三森科技有限公司 一种两自由度反馈调整夹绳机构
CN109052127B (zh) * 2018-10-23 2023-10-24 徐州市三森威尔矿山科技有限公司 一种两自由度反馈调整夹绳机构
US20230011263A1 (en) * 2019-12-12 2023-01-12 Inventio Ag Brake device, e.g. with a wedge-shaped brake element, for braking a travelling body that can be moved in a guided manner along a guide rail in a movement direction
US11891275B2 (en) * 2019-12-12 2024-02-06 Inventio Ag Brake device, e.g. with a wedge-shaped brake element, for braking a travelling body that can be moved in a guided manner along a guide rail in a movement direction
CN113979259A (zh) * 2021-09-29 2022-01-28 浙江省特种设备科学研究院 一种电梯限速防坠器及电梯

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