EP3697713A1 - Dispositif permettant de contrôler une courroie de limiteur de vitesse et limiteur de vitesse électronique - Google Patents

Dispositif permettant de contrôler une courroie de limiteur de vitesse et limiteur de vitesse électronique

Info

Publication number
EP3697713A1
EP3697713A1 EP18792389.1A EP18792389A EP3697713A1 EP 3697713 A1 EP3697713 A1 EP 3697713A1 EP 18792389 A EP18792389 A EP 18792389A EP 3697713 A1 EP3697713 A1 EP 3697713A1
Authority
EP
European Patent Office
Prior art keywords
traction means
pliable
car
speed limiter
actuator
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
EP18792389.1A
Other languages
German (de)
English (en)
Other versions
EP3697713B1 (fr
Inventor
René HOLZER
Karl Kriener
Leopold Latschbacher
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.)
Wittur Holding GmbH
Original Assignee
Wittur Holding 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 Wittur Holding GmbH filed Critical Wittur Holding GmbH
Publication of EP3697713A1 publication Critical patent/EP3697713A1/fr
Application granted granted Critical
Publication of EP3697713B1 publication Critical patent/EP3697713B1/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
    • B66B5/044—Mechanical overspeed governors

Definitions

  • the invention relates to a device for controlling a speed limiter belt according to the preamble of claim 1.
  • elevators With elevators of all kinds, the problem arises that impermissible overspeed and in the worst case, the free fall of the elevator car must be mastered.
  • elevators are equipped with a speed limiter and a
  • One of said pulleys sits on the shaft of a
  • centrifugally operated speed limiter If the speed of the idler pulley becomes too large, then such governors become a brake
  • Speed limiter belt braked In this way, there is a relative movement between the Speed limiter belt and the car. This relative movement is usually used to the
  • speed limiter systems have already been designed that ride along with the car while driving a traction device, which is fixed in place within the shaft.
  • a speed limiter system for an elevator which has a speed limiter traveling along on the car and a traction device which is slippery as such for stationary clamping along the travel path of a vehicle Car has, between two fixed points at which the lower and upper end of the pliable traction device is anchored
  • a limp traction means is preferably a belt, but otherwise also a rope or - not preferred, therefore rare - understood a chain. It is therefore an organ which gives way to any load (even a very small, or at least any substantial) load perpendicular to its longitudinal axis, and then, with the aid of the increased tension, increases its load in the direction of its longitudinal axis, along which it is stretched. catch.
  • the speed limiter system comprises at least two spring elements. Each of the spring elements is on its one side at a fixed point d. H. a fixed point in operation and anchored on its other side to the pliable traction device.
  • the pliable traction means is between the
  • the speed limiter system comprises an actuator for attachment to or installation in the pliable traction device and an actuated by the actuator, electrical, mechanical or magnetic switch.
  • the actuator is characterized in that it is designed so that the pliable Traction means, built-in, by the deformation of the spring elements by a distance +/- ⁇ L relative to the switch can move back and forth without the switch is actuated, wherein ⁇ L preferably at least 2 cm better at least 2.5 cm and ideally maximum 3.5 cm. This ensures that even larger vibrations of the pliable traction means do not lead to the operation of the switch and thus to an unnecessary decommissioning of the elevator. The same applies mutatis mutandis to when a strong acceleration of the re-starting car jerky stress of the pliable traction means in
  • the actuator is designed so that the contact is actuated when in the
  • sluggish traction means either a tensile force occurs, which displaces the pliable traction means in the region of the actuator by a distance of more than - ⁇ L, or the pliable traction device so far slackened that it, again in the range of
  • Actuator shifted by a distance of more than + ⁇ L.
  • the distance ⁇ L is preferably at least 15 mm, more preferably at least 30 mm.
  • protection for a lift equipped with such a speed limitation system as a whole is also claimed.
  • the actuator is particularly advantageous to carry out the actuator as a rigid slider, which has a clearance surface with respect to the contact, which can shift relative to the contact, without actuating the contact. At the ends of the clearance surface is followed by a respective ramp for actuating the switch. Due to the length of the clearance surface, the required
  • Traction means with or without the direct participation of a
  • the slider is an integral part of the pliable pulling means, d. H. on both sides a section of the
  • the slider is so full in the power flow, which runs in the direction of the longitudinal axis of the pliable pulling means through this. In the latter case, one side of the slider is connected to the pliable traction means and the other side of the slider is directly connected to the spring element. The tension of the spring element is then via the slider in the pliable traction means
  • the slide is parallel to the limp
  • Such a design is particularly suitable in cases where the pliable traction means is a rope and the slider z. B. by means of clamps parallel to the rope lying on this can be attached.
  • the guide rails provide a very secure anchorage for the holders, completely independent of the local masonry quality, the strength of a dowel
  • a damper is provided.
  • the damper installation is due to the floating clamping of the limp traction means particularly effective. It can help to significantly reduce the vibrations of the pliable traction device occurring during operation.
  • the mass of the drive pulley is chosen and expected to the expected
  • Traction means and its concrete length in the building tuned that it acts on their rotational mass inertia damping and thereby influenced the vibration behavior so that no
  • the sole or in addition to the above-mentioned paragraph provided embodiment of the bearing or bearing points of the carriage such that a jamming of the mechanism is not possible, but a frictional force in the bearings or bearing points arises, which is chosen so that in Normal operation (ie as long as no overspeed or other prohibited driving conditions occur) occurring
  • Vibrations of the flexible traction means are attenuated so far that it does not come to a false trip. To achieve a defined state of friction plastic bearings or
  • the transducer is characterized by the fact that it is bifunctional.
  • the Bifunktionlois is realized by the fact that he realizes a shaft copying on the one hand, by having an electronics that based on the signals generated by the departure of the limp traction means the current
  • Position or position change and possibly speed of the car determines and outputs to the otherwise elevator control, and on the other hand designed as a speed limiter by additionally an autonomous, d. H. autonomous from a central elevator control, working electronics has, which directly with an electrically operated
  • Harness is cabled and the holding magnets or the brake safety device in case of impermissible
  • Such an elevator can be further developed in that its transducer has a drive pulley, which moves from the relatively slippery traction means moving relative to the car
  • the pliable traction means interacts
  • the drive pulley is equipped with in substantially engraved in the radial direction in them form-fitting depressions, can engage in the form-locking elements of the traction means when draining the traction device on the drive pulley, wherein the form-fitting depressions are grooves closed at one of its two end narrow sides and at their
  • Drive disk are open, and in the circumferential direction successively arranged grooves in a regular change to one and the other end face of the drive pulley are open.
  • Positive locking elements of the pliable traction device each only take part of the width of the pliable traction device transversely to its direction and, seen in the direction perpendicular to the direction / longitudinal axis of the pliable traction means, alternately occupy the one and the other part of the width of the pliable traction device.
  • the interlocking elements are as truncated cones
  • the electronics that supply the holding magnet (s) that hold the at least one brake and / or catch device in the ready position comprise a device which measures the current flowing through the holding magnet (s) and then controls the power supply in such a way or that the current flowing through the holding magnet or magnets within a predetermined
  • the power supply must be oversized to ensure that even under the most unsatisfactory conditions that the holding force of the holding magnets does not accidentally collapse and the brake and / or safety gear can be addressed, although there is no error that would require such a response , As a result, over the vast majority of plant life, in which moderate
  • the electronics feed the holding magnet (s) via a pulse width modulation device.
  • pulsed DC can be used, which facilitates the supply with the aid of an emergency battery or an emergency battery - which is important insofar as the electronics and the brake and safety devices would have to remain capable of acting even in the event of a power failure in the building still for a considerable lag time, before then in good time before the exhaust of the emergency battery, etc.
  • the brake and / or Fangvoettiiques comes and sets the car to the guide rails.
  • the remaining capacity of the battery or the battery preferably also still at least another 72 h is enough to continue to supply the electronics without data loss.
  • Fig. 1 gives an overall view of a
  • elevator according to the invention, here in the form of the preferred design as a cable lift.
  • FIG. 2 shows a detail of FIG. 1, the upper
  • Fig. 3 shows a detail of Fig. 1, which depicts the lower attachment of the pliable traction means in detail.
  • FIG. 6 shows a partially cutaway side view of the carriage according to FIG. Fig. 5.
  • FIG. 7 shows the sensor in the form of a
  • FIG. 8 shows the sensor in the form of a
  • FIG. 9 shows the sensor in the form of a
  • Speed limiter from its rear outer side, on which the incremental encoder and the electronics are arranged, with the electronics cover removed.
  • FIG. 10 shows a close-up view of a drive disk as it is preferably used in the context of the invention.
  • FIG. 11 shows a section of a sluggish traction means, as may be used together with the drive pulley according to FIG.
  • FIG. 12 shows a block diagram of the receiver according to the invention in the form of a speed limiter.
  • FIG. 13 shows a principal section of an electronic circuit as can be used for the pulse width modulated supply of a holding magnet.
  • FIG. 14 shows the preferred use as an actuator
  • FIG. 1 The best overview of a lift according to the invention in its entirety is shown in FIG. 1.
  • the invention therefore relates to a usually in the form of a
  • Vertical lift operated elevator system 1 This usually consists of a vertically extending
  • Elevator installation as shown here of Figure 1, designed as a cable lift, the car is 3 to a support means 4th
  • the support means 4 is usually represented by one or more ropes or by one or more belts.
  • Supporting means 4 is guided via a traction sheave 5 to a counterweight 6.
  • the elevator installation is installed in a vertically extending elevator shaft 7.
  • the elevator shaft 7 ends at its top in one
  • the elevator is designed as a cable lift or hydraulic lift, is on the car, usually in
  • Brake catch device 8 attached. Once it has been activated, it acts on the car guide rails 2. It then brakes the elevator to a standstill and then wedged or jammed the car usually self-reinforcing to the
  • this brake catch device 8 is activated by an electrical signal, which receives it directly or indirectly from the speed limiter and the Rwegelfall leads to the fact that the power supply for the one or more holding magnets is interrupted.
  • the transducer 9 is also just as
  • the speed limiter 9 is attached to the car 3 here.
  • the speed limiter 9 moves with the car, up and down. With the speed limiter 9 acts
  • Thecutesbeskymem 10 is usually stretched through the entire shaft or over the entire passable length of the elevator track away.
  • the belt is usually only "single lane” stretched, ie it then extends only a single belt through the shaft instead of a forward and a reverse run, as is the case with an endless, carried by the car belt loop.
  • the speed limiter 10 is replaced by the
  • Speed limiter 9 started.
  • the speed governor belt 10 is guided via a deflection roller within the speed limiter 9.
  • a deflection roller within the speed limiter 9.
  • the encoder wheel is scanned or generates pulses that can be counted. In this way, the current position or hjedenfals the current change in position of the car, the current speed of the car and, if necessary, the current acceleration of the car can be determined.
  • these holders 12 are cantilevers designed, each with its one end to a
  • Guide rail or a car guide rail are mounted and project freely into the shaft with its other end, as can be seen by way of example with reference to FIG 1.
  • Speed governor belt 10 resiliently tensioned. For this purpose he is at both his and his own
  • the speed governor belt 10 extends at its lower end and there to its outermost end in the direction parallel to the longitudinal axis L of the shaft, cf. Fig. 1 and Fig. 3. He is then fixed there by means of a spring element 13.
  • the spring element 13, which establishes the connection between the speed governor belt and, for example, the holder 12, is preferably in the form of one or more coil springs or otherwise z. B. executed in the form of one or more disc spring sets.
  • At least one end is deflected in the holder 12 via a deflection roller 11 in such a way that its free end is perpendicular to the direction of travel of the car 3, cf. Fig. 1 and Fig. 2.
  • the pulley 11 can effectively contribute to reducing the tendency of the belt 10 to twist. Otherwise, such a deflection in the case of using the same to be explained later slide the decisive advantage that the
  • the weight of the slide - unlike a vertically suspended slide - plays no special role and above all does not increase the tendency to oscillate.
  • the carriage 15 is best described with reference to FIG. 4
  • the carriage has a guide portion 15a. Hereby it is translational in the direction of the longitudinal axis of the immediately adjacent speed limiter belt
  • the guide portion shown in FIG. 6 may be provided with a plurality of slots LL, by means of which it is fixed by means of self-locking screws with the interposition of sleeves and / or discs 16 of sliding material on the holder 12 movable.
  • Fixing portion 15 c of the carriage 15 is fixed. In the embodiment discussed here, the
  • the carriage 15 carries an actuator 17.
  • the actuator 17 has the shape of the slide shown here.
  • a slider in the context of the invention is meant a rigid body, preferably in the form of a sheet, which forms a free path 17a.
  • the surface of the free path which generally forms a smooth plane, extends parallel to the direction of the longitudinal axis of the immediately adjacent speed limiter belt.
  • the free path 17a in each case in a switching section or a first and second ramp 17b, 17c
  • Free section 17a inclined at an angle, usually at an angle between 25 ° and 50 °.
  • the actuator 17, a switch 18 is associated.
  • the switch may be a non-contact switch, such as a reed contact.
  • a mechanical switch 18 is preferably used, for example a switch which rolls the surface of the actuator 17 facing it with a switching roller 18a. As long as the switching roller rolls along the free path 17a, it is not actuated. The actuation takes place by the switching roller one of the switching ramps 17b or 17c climbs, whereby the switch
  • FIG. 14 serves to further illustrate the actuator 17 in the form of the slider.
  • PI shows the position of the switch when the pliable traction means is torn off or at least the lower spring element completely failed.
  • P2 is the switching point at too low tension of the lower spring element or too high tensile force in the upward direction due to stiff drive pulley and or pulley.
  • spring force> traction weight force applies here
  • P3 is the set point which should be minimized after assembly. As a rule, spring force ⁇ 2x traction weight applies here.
  • P4 is the set point that should be reached after installation.
  • P5 is the switching point if the voltage is too high or too high
  • the working range in the normal range is between point 3 and 4 with an additional safety reserve of min. 50% P * in both directions (pt. 2 and 5) is provided for short-term force peaks, which are not caused by the
  • the length of an arrow P * of the arrows P * of the same length is preferably in the range between 15 mm and 35 mm.
  • the topmost arrow is preferably about 0.25 P * long.
  • the ramp angle ALPA is preferably 45 ° + / 10%.
  • FIGS. 7 to 9 illustrate the pick-up, which preferably operates bifunctionally in this exemplary embodiment and is therefore referred to below as a speed limiter 9.
  • Speed limiter may be attached to a preferably L-shaped designed retaining foot 19, which ideally provides a plurality of slots 20 or hole fields for positionally variable attachment. It is a housing box 21 is provided. It provides an in-flight F (dashed line, Fig. 8) lying inlet and outlet 22 for thelaborsbegrenzeriemen 9. Between the two side walls S of the housing box sleeves 24 are clamped, which form at least for the pulleys 23 bearing axes. The drive pulley 25 is mounted on and between the two side walls of the housing box. The two pulleys 23 ensure that the
  • Speed limiter belt wraps around the drive pulley 25 at least at an angle of 120 °, better 150 ° as shown here.
  • the shaft on which the drive disk sits penetrates a side wall of the housing box and protrudes into the area on the back of the housing box to which the electronics 27 is attached.
  • the incremental encoder wheel 26 is scanned by a plurality of sensors 28, z. B. in the form of non-contact Hall sensors. The pulses thus generated are added up for position determination with direction-dependent sign and can speed and / or
  • the electronics 27 is bifunctional.
  • Position change signal possibly also a
  • Speed signal and / or an acceleration signal can be processed purely internally. If necessary, it can also be passed on to the central elevator control, the z. B. at a suitable location in the shaft or in the
  • the electronics 27 are designed and trained so that they autonomously, without support by or participation of the central elevator control, can make a decision on whether a prohibited driving condition exists (eg.
  • the triggering is preferably carried out by the fact that the electronics 27, which is so far connected directly or connected to the or the brake or brake catch device held holding electromagnet or wired, the or said electromagnet de-energized - usually using a power electronics. In this way, a system is created whose
  • Holding magnet is not the case.
  • FIG. 11 shows a block diagram of the pickup here with the function of a speed limiter.
  • the external power supply 30 feeds an emergency power unit 31, usually in the form of an emergency power battery or a backup battery.
  • the emergency generator 31 in turn feeds the electronics 17 and the encoder 32 and the associated electronics.
  • the electronics 17 in turn receives data input from the
  • Encoder and optionally also, as indicated at 35, via a link to another controller, for example, the central elevator control. Via this link, a communication can also be made to the other elevator control, for example, the central set up.
  • the electronics 17 interrupts when the conditions
  • the electronics 17 also supplies the holding magnet or magnets with the required current. Preferably, this is done in a current-controlled or current-controlled manner.
  • the electronics 17 comprise a device which measures the current flowing through the holding magnet or magnets and then controls or regulates the power supply in such a way that the current which is currently flowing through the holding magnet or magnets within one or more of the holding magnets predetermined bandwidth, ie at a predetermined value +/- a certain tolerance amount, typically less than 10%.
  • FIG. 13 An illustration of this is provided by FIG. 13.
  • a pulse width modulation signal PWM is tapped. This is an electronic circuit breaker 36 is controlled, which then gives timed voltage or interrupts. Corresponding voltage pulses then flow to the holding magnet 34, which drive the desired current on average.
  • FIG. 10 shows a close-up view of the drive pulley which is not necessarily used here, but which is preferably used. It is equipped with form-fitting recesses, in which the
  • Form-fitting elements of the traction means can insert when draining the traction device on the drive pulley.
  • Form-fitting depressions are grooves N, which are closed at one of its two end narrow sides (namely, the narrow side 29 of the face) and open at its opposite end narrow side to the end face of the drive pulley.
  • grooves N which are closed at one of its two end narrow sides (namely, the narrow side 29 of the face) and open at its opposite end narrow side to the end face of the drive pulley.
  • the pliable traction means with such a
  • Fig. 11 may be designed as shown in Fig. 11.
  • the form-fitting elements F of limp traction means 10 each occupy only a portion of the width of the pliable traction device 10.
  • the interlocking elements F take alternately one and the other part of the width of the pliable traction device 10 a.
  • the pliable traction means should be particularly inexpensive one sees it along its longitudinal axis LA only with a single row, for example, such form-fitting elements, as shown in FIG. 11. These interlocking elements are then, one in an alignment behind the other, centrally positioned on the pliable traction means 10, in a bending slack traction means, as shown in FIG. 11, ie along the longitudinal axis LA. This is not graphically illustrated but with the help of Fig. 11 in conjunction with the just given hints easily imaginable.
  • the design of the actuator 17 in the form of a slider is the simplest and most reliable and therefore clearly andre
  • the pliable traction means is guided over a roller but can also represent a corresponding function hereby by providing a corresponding dead zone between two switching positions, which operates the role. So could the role z. B. coupled with a cam, which is usually at 9 o'clock position (in trouble-free

Landscapes

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

Abstract

L'invention concerne un système de capteur et, de préférence, un système de limiteur de vitesse destinés à un ascenseur, comprenant une cabine (3), un limiteur de vitesse (9) se déplaçant avec une cabine (3), un moyen de traction souple (10) destiné à être serré à demeure le long d'un trajet de déplacement d'une cabine (3) entre deux points fixes, sur lesquels sont ancrées les extrémités inférieure et supérieure du moyen de traction souple (10), deux éléments à ressort (13, 14), qui, entre eux, maintiennent le moyen de traction souple (10) dans un état précontraint en flottement, et comprenant un actionneur (17) destiné à être monté sur ou intégré dans le moyen de traction souple (10) et un commutateur (18) actionné par l'actionneur (17), l'actionneur (17) étant conçu de manière à ce que le moyen de traction souple (10) puisse se déplacer en va-et-vient, en étant fonctionnellement intégré, sur une distance de +/- Δ L par rapport au contact, sans que le contact soit actionné, et étant conçu de manière à ce que le contact soit actionné lorsque, dans le moyen de traction souple (10), soit une force de traction est mise en œuvre, laquelle déplace le moyen de traction souple (10) (dans la zone de l'actionneur (17)) sur une distance de plus de - Δ L, soit le moyen de traction souple (10) se distend suffisamment pour se déplacer sur une distance de plus de + Δ L.
EP18792389.1A 2017-10-17 2018-10-17 Système de limiteur de vitesse pour ascenseur ayant une cabine Active EP3697713B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202017005334.9U DE202017005334U1 (de) 2017-10-17 2017-10-17 Vorrichtung zur Kontrolle eines Geschwindigkeitsbegrenzerriemens und elektronischer Geschwindigkeitsbegrenzer
PCT/EP2018/078454 WO2019077002A1 (fr) 2017-10-17 2018-10-17 Dispositif permettant de contrôler une courroie de limiteur de vitesse et limiteur de vitesse électronique

Publications (2)

Publication Number Publication Date
EP3697713A1 true EP3697713A1 (fr) 2020-08-26
EP3697713B1 EP3697713B1 (fr) 2023-11-22

Family

ID=63963026

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18792389.1A Active EP3697713B1 (fr) 2017-10-17 2018-10-17 Système de limiteur de vitesse pour ascenseur ayant une cabine

Country Status (6)

Country Link
EP (1) EP3697713B1 (fr)
CN (1) CN111372880B (fr)
DE (1) DE202017005334U1 (fr)
ES (1) ES2973936T3 (fr)
HU (1) HUE065879T2 (fr)
WO (1) WO2019077002A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109900506A (zh) * 2019-03-13 2019-06-18 中山职业技术学院 一种双向限速器与双向安全钳联动测试装置
DE202019101607U1 (de) * 2019-03-20 2020-05-08 Wittur Holding Gmbh Aufzug für besonders kleine Aufzugsschächte

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0848472A (ja) * 1994-08-04 1996-02-20 Mitsubishi Denki Bill Techno Service Kk エレベーターの安全装置
JPH11171425A (ja) * 1997-12-16 1999-06-29 Hitachi Ltd 油圧式エレベータのロープ緩み検出装置
CN1128091C (zh) * 1999-01-25 2003-11-19 三菱电机株式会社 电梯制动控制装置
DE19906073C2 (de) * 1999-02-12 2003-03-27 Inventio Ag Vorrichtung zum Verhindern unkontrollierter Beschleunigungen eines Fahrkorbs einer Aufzugsanlage
CN100386251C (zh) * 2002-04-24 2008-05-07 三菱电机株式会社 用于电梯系统的超速调节器装置
JP2004035159A (ja) * 2002-07-02 2004-02-05 Toshiba Elevator Co Ltd エレベータの安全装置
BRPI0417039B1 (pt) * 2004-03-30 2016-03-01 Mitsubishi Electric Corp aparelho de controle de elevador para levar o carro do elevador para uma parada mediante detecção de uma anormalidade no sistema do elevador
JP2006182483A (ja) * 2004-12-27 2006-07-13 Mitsubishi Electric Corp エレベータの調速機装置
WO2006112008A1 (fr) * 2005-04-13 2006-10-26 Mitsubishi Denki Kabushiki Kaisha Dispositif d'ascenseur
BRPI0601926B1 (pt) * 2005-06-17 2018-06-12 Inventio Aktiengesellschaft Dispositivo de pára-quedas do freio
DE102009019079A1 (de) * 2009-04-21 2010-11-04 Thyssenkrupp Aufzugswerke Gmbh Geschwindigkeitsbegrenzer
JP5091992B2 (ja) * 2010-09-01 2012-12-05 株式会社日立製作所 電磁ブレーキ及びエレベーター装置
EP2567923A1 (fr) * 2011-09-12 2013-03-13 Wachendorff Automation GmbH & Co. KG Copiage de mire redondant
US9303627B2 (en) * 2013-02-04 2016-04-05 Safeworks, Llc Guide wire tension loss sensor
EP2913287B1 (fr) * 2014-02-26 2018-01-03 Otis Elevator Company Régulateur pour commander la vitesse d'un objet hissé par rapport à un élément de guidage
DE202015105373U1 (de) * 2015-10-09 2017-01-11 Wittur Holding Gmbh Federgespannte Spannvorrichtung für Geschwindigkeitsbegrenzerseil

Also Published As

Publication number Publication date
CN111372880B (zh) 2021-09-28
DE202017005334U1 (de) 2019-01-18
WO2019077002A1 (fr) 2019-04-25
RU2020115597A3 (fr) 2021-12-23
CN111372880A (zh) 2020-07-03
RU2020115597A (ru) 2021-11-18
HUE065879T2 (hu) 2024-06-28
EP3697713B1 (fr) 2023-11-22
ES2973936T3 (es) 2024-06-25

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