EP0980842B1 - Device for stopping an elevator installation - Google Patents

Device for stopping an elevator installation Download PDF

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Publication number
EP0980842B1
EP0980842B1 EP99115669A EP99115669A EP0980842B1 EP 0980842 B1 EP0980842 B1 EP 0980842B1 EP 99115669 A EP99115669 A EP 99115669A EP 99115669 A EP99115669 A EP 99115669A EP 0980842 B1 EP0980842 B1 EP 0980842B1
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EP
European Patent Office
Prior art keywords
rope
elevator car
overspeed
governor
brake
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
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EP99115669A
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German (de)
French (fr)
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EP0980842A1 (en
Inventor
Dietrich Dipl.-Ing. Wegener
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Inventio AG
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Inventio AG
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Publication of EP0980842A1 publication Critical patent/EP0980842A1/en
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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
    • B66B5/044—Mechanical overspeed governors
    • 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
    • B66B5/046—Mechanical overspeed governors of the pendulum or rocker arm type
    • 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
    • B66B5/185—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 acting on main ropes or main cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings

Definitions

  • the invention relates to a device for stopping an elevator system consisting of one, the Speed of a carrying rope with a Counterweight connected elevator car monitoring Speed limiter, the movement of the Elevator cabin by means of a limiter rope on the Speed limiter is transferable, the at Overspeed of the elevator car in the downward direction a arranged on the elevator car safety gear actuated, wherein the safety gear, the elevator car shuts down.
  • a disadvantage of the known device is that the monitoring and shutdown of the elevator car only in the downward direction takes place.
  • a disadvantage of the known device is that the device is not suitable for retrofitting.
  • the invention aims to remedy this situation.
  • the invention as characterized in claim 1 solves the task to avoid the disadvantages of the known device and to create a facility that the elevator car in the Upstream and downlink monitored and shut down in an emergency.
  • the advantages achieved by the invention are in essential to see that the release forces after a Stopping in the upward direction are very low.
  • the Release from the catch is with the existing propulsion the traction sheave possible, which in particular machine room-less elevator systems is of importance.
  • no in the inventive device generates additional load on the drive and excessive Delays excluded.
  • With the inventive Facility may be lift systems without any changes to the Lift cabin can be easily retrofitted.
  • Figs. 1 to 4 is 1 in one not illustrated elevator shaft movable elevator car denoted by means of a via a traction sheave 2 guided carrying cable 3 connected to a counterweight 4 is.
  • To monitor the speed of the elevator car 1 or the counterweight 4 is for example a on the Pendulum lever principle working speed limiter 5 provided, wherein the movement of the elevator car 1 and the Counterweight 4 by means of a limiter 6 on the Speed limiter 5 is transmitted.
  • the Limiter rope 6 extends over the entire shaft height and is at the lower end of the shaft by means of a guide roller. 7 deflected and stretched and over at the upper end of the shaft a pulley of the speed limiter 5 out.
  • the ends of the Beskyrseiles 6 are rotatably on the elevator car 1 stored first trigger 8 moored, the one at the elevator car 1 in an emergency arranged catcher 9 actuated. After releasing the Elevator car 1 from the catch sets a return spring 10th the first trigger lever 8 and the safety gear 9 back.
  • a boom 11 is arranged, through the the governor rope 6 is guided. Close to the boom 11 carries a fixed to the governor rope 6 connected Spring base 12 a compensation spring 13, with their Spring force against the boom 11 presses. Cantilever 11, Spring base 12 and compensating spring 13 form a elastic rope coupling, the different rope strains can take up between the support cable 3 and 6 Besky.
  • a trigger mechanism 14 of the speed limiter. 5 actuated at overspeed of the elevator car 1 in Upward direction a rope brake 15.
  • FIG. 2 shows details of the speed limiter 5, the trigger mechanism 14 and the rope brake 15.
  • Das Limiter rope 6 is via a on a first axis 16th rotatably mounted pulley 17 with a rope groove guided.
  • the first axis 16 is of a housing 18th carried.
  • On the pulley 17 is a locking ring 19 with Sperrkranzähnen 20 and a cam 21 with cam 22nd arranged.
  • the housing 18 carries a second axis 23, on a pendulum lever 24 rotatable with a spherical roller 25 is stored.
  • At normal speed follows the Spherical roller 25 formed by the cam 22 Cam track of cam wheel 21.
  • At overspeed can the pendulum roller 25 due to the inertia of the Swing lever 24 of the cam track not to follow.
  • a first lug 26 is arranged at Normal speed of the elevator car 1 between two Sperrkranzzähne 20 is immersed when the pendulum roller 25 on a cam 22 stands and the off the track of the Sperrkranzzähne 20 is lifted when the pendulum roller 25th between two cams 22 is.
  • the Elevator car 1 in the downward direction remains the first nose 26th between two Sperrkranzzähnen 20 are, with the right Flank of the following locking ring tooth 20 at the first Nose 26 is pending and the locking ring 19 and thus the Sheave 17 blocked. Due to the relative movement of Elevator car 1 with respect to the blocked governor rope 6 is by means of the first trigger lever 8, the safety gear 9 engaged and the elevator car 1 to the Fixed guide rails.
  • an operating lever 27 At the opposite end of the spherical roller 25 of the Swing lever 24 is an operating lever 27 at one third axis 28 of the pendulum lever 24 rotatably disposed.
  • the operating lever 27 is by means of a Retaining device, for example by means of a Schnäppers relative to the pendulum lever 24 in a rest position held.
  • a second nose 29 of the operating lever 27th appears at normal speed of the elevator car. 1 between two ratchet teeth 20 when the pendulum roller 25 stands on a cam 22 and is off the track of Sperrkranzzähne 20 is lifted when the pendulum roller 25th between two cams 22 is.
  • the Brake shoe 34 moves down and is using the Compression spring 33 against at least one of the housing 18th arranged counterjaw pressed 35, the between the Baking 34, 35 running limiter rope 6 is braked.
  • the Braking force exerted on the governor rope 6 slows down the braking force Elevator car 1 and the counterweight 4 off gently and is depending on the spring force of the compression spring 33, the Surface of the jaws 34, 35 and from the surface of the Limiter Ropes 6.
  • the braking takes place via limiter rope 6, spring base 12, balance spring 13 and boom 11 on the counterweight 4.
  • 3 and 4 show a device for stopping the Elevator car 1 at overspeeding in the upward direction by means of a cable brake 15 acting on the carrying cable 3.
  • the movement of the second trigger lever 31, 32 is by means of a Bowden cable 36 on the second release lever 31.1, 32.1 of the rope brake 15 at the same functioning the rope brake 15 transmitted.
  • Speed limiter 5 used as a rope brake become.
  • this variant is at overspeed the elevator car 1 in the upward direction of the locking ring 19th by means of a further arranged on the pendulum lever 24 nose blocked. Due to the friction of the governor rope 6 in the specially trained rope groove of the blocked Sheave 17 creates a sufficiently large braking force, if the governor rope 6 is biased very high.
  • the monitor for overspeed of the Elevator car 1 used in the downward direction Speed limiter 5 with the pendulum lever 24 and the first nose 26 can easily be used to monitor Overspeed of the elevator car 1 in Upstream be retrofitted.
  • the cultivation of the Operating lever 27 and the rope brake 15 is light makeable.

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

Description

Die Erfindung betrifft eine Einrichtung zur Stillsetzung einer Aufzugsanlage, bestehend aus einem, die Geschwindigkeit einer mittels Tragseil mit einem Gegengewicht verbundenen Aufzugskabine überwachenden Geschwindigkeitsbegrenzer, wobei die Bewegung der Aufzugskabine mittels eines Begrenzerseiles auf den Geschwindigkeitsbegrenzer übertragbar ist, der bei Übergeschwindigkeit der Aufzugskabine in Abwärtsrichtung eine an der Aufzugskabine angeordnete Fangvorrichtung betätigt, wobei die Fangvorrichtung die Aufzugskabine stillsetzt.The invention relates to a device for stopping an elevator system consisting of one, the Speed of a carrying rope with a Counterweight connected elevator car monitoring Speed limiter, the movement of the Elevator cabin by means of a limiter rope on the Speed limiter is transferable, the at Overspeed of the elevator car in the downward direction a arranged on the elevator car safety gear actuated, wherein the safety gear, the elevator car shuts down.

Aus der Patentschrift DE 36 15 270 C2 ist ein Geschwindigkeitsbegrenzer bekannt geworden, der die Fahrgeschwindigkeit einer Aufzugskabine überwacht. Die Aufzugskabine treibt über ein Drahtseil eine Seilscheibe mit integriertem Sperrkranz an. Ein Nockenrad versetzt einen Pendelhebel mit einer Pendelnase in Pendelbewegungen. Auf dem Pendelhebel ist ein Betätigungshebel drehbar gelagert, der mittels einer Rückhalteeinrichtung gegenüber dem Pendelhebel in Ruhelage gehalten wird. Das obere Ende des Betätigungshebels ist als Betätigungsbügel ausgebildet, am unteren Ende sitzt die gegenüber einer Pendelnase vorstehende Auslösenase. Beide Nasen liegen immer dann zwischen zwei Speerkranzzähnen, wenn die Pendelrolle auf einer Nocke steht. Wenn die Pendel rolle zwischen zwei Nocken steht, werden beide Nasen aus der Bahn der Sperrkranzzähne gehoben. Dadurch bewegen sich die Sperrkranzzähne ohne Wirkung an den Nasen vorbei. Bei Übergeschwindigkeit hebt die Pendelrolle vom Nockenrad ab. Die Auslösenase bleibt in der Sperrkranzbahn eingetaucht. Ein Sperrkranzzahn greift an der Auslösenase an und lenkt den Betätigungshebel aus. Dadurch schaltet der Betätigungsbügel über einen Schalter den Antrieb ab. Bei weiterem Anstieg der Kabinegeschwindigkeit taucht die Pendelnase in die Sperrkranzbahn ein und blockiert über die Sperrkranzzähne die Seilscheibe. Durch die Friktion in der Seilrille wird die Kraft zur Auslösung einer Fangvorrichtung aufgebaut.From the patent DE 36 15 270 C2 is a Speed Limiter became known, the the Travel speed of an elevator car monitored. The Elevator car drives a pulley over a wire rope with integrated locking ring on. A cam wheel offset a pendulum lever with a pendulum nose in pendulum movements. An actuating lever is rotatable on the pendulum lever mounted, by means of a retaining device opposite the pendulum lever is kept in rest position. The upper end the actuating lever is designed as an operating handle, at the lower end sits opposite a pendulum nose protruding triggering nose. Both noses are always there between two spear teeth, when the pendulum roll up a cam stands. If the pendulum roll between two Cam stands, both noses are out of the way Ratchet teeth lifted. As a result, the move Sperrkranzzähne without effect past the noses. at Overspeed lifts the pendulum roller off the cam wheel. The release lug remains immersed in the ratchet lane. A ratchet gear engages the release lug and steers the operating lever off. This will switch the Operating handle on a switch from the drive. at further increase in the cabin speed emerges Pendulum nose in the Sperrkranzbahn and blocked over the Sperrkranzzähne the pulley. Due to the friction in the Rope groove will be the force to trigger a Catching device constructed.

Ein Nachteil der bekannten Einrichtung liegt darin, dass die Überwachung und Stillsetzung der Aufzugskabine nur in der Abwärtsrichtung erfolgt.A disadvantage of the known device is that the monitoring and shutdown of the elevator car only in the downward direction takes place.

Aus der Offenlegungsschrift EP 0 748 758 A1 ist ein auf dem Fliehkraftprinzip beruhender Geschwindigkeitsbegrenzer bekannt geworden, der bei Übergeschwindigkeit der Aufzugskabine in Abwärtsrichtung oder in Aufwärtsrichtung die Sicherheitseinrichtung der Aufzugskabine auslöst, die die Aufzugskabine stillsetzt. Ein mit der Aufzugskabine in Verbindung stehendes Begrenzerseil treibt eine Seilscheibe an, an der Fliehgewichte angeordnet sind. Bei Übergeschwindigkeit der Aufzugskabine lösen die Fliehgewichte mittels einer Mechanik eine Bremse aus, die das Begrenzerseil in die Seilrille der Seilscheibe presst. Dabei wird das Begrenzerseil gegenüber der Aufzugskabine verlangsamt, was die Auslösung der die Aufzugskabine stillsetzenden Sicherheitseinrichtung zur Folge hat.From the published patent EP 0 748 758 A1 is a on the Centrifugal force based speed limiter became known at overspeed the Elevator car in the downward direction or in the upward direction the safety device of the elevator car triggers, the the elevator car shuts down. One with the elevator car in Connecting limiter rope drives a pulley on, are arranged on the flyweights. at Over speed of the elevator car solve the Flyweights by means of a mechanical brake, the press the governor rope into the rope groove of the pulley. In this case, the governor rope opposite the elevator car slows down what the triggering of the elevator car shutdown safety device has the consequence.

Ein Nachteil der bekannten Einrichtung liegt darin, dass sich die Einrichtung für Nachrüstung schlecht eignet.A disadvantage of the known device is that the device is not suitable for retrofitting.

Hier will die Erfindung Abhilfe schaffen. Die Erfindung, wie sie in Anspruch 1 gekennzeichnet ist, löst die Aufgabe, die Nachteile der bekannten Einrichtung zu vermeiden und eine Einrichtung zu schaffen, die die Aufzugskabine in der Aufwärtsrichtung und in der Abwärtsrichtung überwacht und im Notfall stillsetzt. The invention aims to remedy this situation. The invention, as characterized in claim 1 solves the task to avoid the disadvantages of the known device and to create a facility that the elevator car in the Upstream and downlink monitored and shut down in an emergency.

Die durch die Erfindung erreichten Vorteile sind im wesentlichen darin zu sehen, dass die Lösekräfte nach einer Stillsetzung in Aufwärtsrichtung sehr gering sind. Das Lösen aus dem Fang ist mit der vorhandenen Treibfähigkeit der Treibscheibe möglich, was insbesondere bei maschinenraumlosen Aufzugsanlagen von Bedeutung ist. Ausserdem wird bei der erfindungsgemässen Einrichtung keine zusätzliche Belastung des Antriebs erzeugt und übermässige Verzögerungen ausgeschlossen. Mit der erfindungsgemässen Einrichtung können Aufzugsanlagen ohne Änderungen an der Aufzugskabine einfach nachgerüstet werden.The advantages achieved by the invention are in essential to see that the release forces after a Stopping in the upward direction are very low. The Release from the catch is with the existing propulsion the traction sheave possible, which in particular machine room-less elevator systems is of importance. In addition, no in the inventive device generates additional load on the drive and excessive Delays excluded. With the inventive Facility may be lift systems without any changes to the Lift cabin can be easily retrofitted.

Im folgenden wird die Erfindung anhand von ein Ausführungsbeispiel darstellenden Zeichnungen näher erläutert. In the following the invention is based on a Embodiment illustrative drawings closer explained.

Es zeigen:

Fig. 1
eine schematische Darstellung einer Aufzugsanlage mit der erfindungsgemässen Einrichtung zur Stillsetzung der Aufzugsanlage,
Fig. 2
eine schematische Darstellung eines Geschwindigkeitsbegrenzers zur Betätigung einer auf ein Begrenzerseil wirkenden Seilbremse,
Fig. 3
eine schematische Darstellung der Aufzugsanlage mit einer Ausführungsvariante der erfindungsgemässen Einrichtung zur Stillsetzung der Aufzugsanlage und
Fig. 4
eine schematische Darstellung eines Geschwindigkeitsbegrenzers zur Betätigung einer auf ein Tragseil wirkenden Seilbremse.
Show it:
Fig. 1
a schematic representation of an elevator installation with the inventive device for stopping the elevator installation,
Fig. 2
a schematic representation of a speed limiter for operating a rope brake acting on a governor rope,
Fig. 3
a schematic representation of the elevator system with an embodiment of the inventive device for stopping the elevator system and
Fig. 4
a schematic representation of a speed limiter for operating a rope brake acting on a support cable.

In den Fig. 1 bis 4 ist mit 1 eine in einem nicht dargestellten Aufzugsschacht verfahrbare Aufzugskabine bezeichnet, welche mittels eines über eine Treibscheibe 2 geführtes Tragseil 3 mit einem Gegengewicht 4 verbunden ist. Zur Überwachung der Geschwindigkeit der Aufzugskabine 1 bzw. des Gegengewichtes 4 ist beispielsweise ein auf dem Pendelhebelprinzip arbeitender Geschwindigkeitsbegrenzer 5 vorgesehen, wobei die Bewegung der Aufzugskabine 1 bzw. des Gegengewichtes 4 mittels eines Begrenzerseiles 6 auf den Geschwindigkeitsbegrenzer 5 übertragen wird. Beispielsweise auf dem Fliehkraftprinzip oder auf dem Massenträgheitsprinzip arbeitende Begrenzer können auch für die Geschwindigkeitsüberwachung verwendet werden. Das Begrenzerseil 6 erstreckt sich über die gesamte Schachthöhe und wird am unteren Schachtende mittels einer Umlenkrolle 7 umgelenkt und gespannt sowie am oberen Schachtende über eine Seilscheibe des Geschwindigkeitsbegrenzers 5 geführt. In Figs. 1 to 4 is 1 in one not illustrated elevator shaft movable elevator car denoted by means of a via a traction sheave 2 guided carrying cable 3 connected to a counterweight 4 is. To monitor the speed of the elevator car 1 or the counterweight 4 is for example a on the Pendulum lever principle working speed limiter 5 provided, wherein the movement of the elevator car 1 and the Counterweight 4 by means of a limiter 6 on the Speed limiter 5 is transmitted. For example on the principle of centrifugal force or on the Mass inertia working limiters can also be used for the speed monitor can be used. The Limiter rope 6 extends over the entire shaft height and is at the lower end of the shaft by means of a guide roller. 7 deflected and stretched and over at the upper end of the shaft a pulley of the speed limiter 5 out.

Die Enden des Begrenzerseiles 6 sind an einem drehbar an der Aufzugskabine 1 gelagerten ersten Auslösehebel 8 festgemacht, der im Notfall eine an der Aufzugskabine 1 angeordnete Fangvorrichtung 9 betätigt. Nach dem Lösen der Aufzugskabine 1 aus dem Fang setzt eine Rückstellfeder 10 den ersten Auslösehebel 8 und die Fangvorrichtung 9 zurück. Am Gegengewicht 4 ist ein Ausleger 11 angeordnet, durch den das Begrenzerseil 6 geführt ist. Nahe beim Ausleger 11 trägt ein fest mit dem Begrenzerseil 6 verbundener Federsockel 12 eine Ausgleichsfeder 13, die mit ihrer Federkraft gegen den Ausleger 11 drückt. Ausleger 11, Federsockel 12 und Ausgleichsfeder 13 bilden eine elastische Seilkupplung, die unterschiedliche Seildehnungen zwischen Tragseil 3 und Begrenzerseil 6 aufnehmen kann. Eine Auslösemechanik 14 des Geschwindigkeitsbegrenzers 5 betätigt bei Übergeschwindigkeit der Aufzugskabine 1 in Aufwärtsrichtung eine Seilbremse 15.The ends of the Begrenzerseiles 6 are rotatably on the elevator car 1 stored first trigger 8 moored, the one at the elevator car 1 in an emergency arranged catcher 9 actuated. After releasing the Elevator car 1 from the catch sets a return spring 10th the first trigger lever 8 and the safety gear 9 back. At the counterweight 4, a boom 11 is arranged, through the the governor rope 6 is guided. Close to the boom 11 carries a fixed to the governor rope 6 connected Spring base 12 a compensation spring 13, with their Spring force against the boom 11 presses. Cantilever 11, Spring base 12 and compensating spring 13 form a elastic rope coupling, the different rope strains can take up between the support cable 3 and 6 Begrenzerseil. A trigger mechanism 14 of the speed limiter. 5 actuated at overspeed of the elevator car 1 in Upward direction a rope brake 15.

Bei Übergeschwindigkeit der Aufzugskabine 1 in Aufwärtsrichtung wird der Geschwindigkeitsbegrenzer 5 nicht wie bei Übergeschwindigkeit in Abwärtsrichtung blockiert, sondern die Seilbremse 15 mittels der Auslösemechanik 14 betätigt. Die Seilbremse 15 muss mindestens die unausgeglichenen Kräfte an der Treibscheibe 2 kompensieren, um eine weitere Beschleunigung der aufwärts fahrenden Aufzugskabine 1 zu verhindern. Bei einer höher liegenden Bremskraft wird das System entsprechend dem Anlageträgheitsmoment verzögert. Die von der Seilbremse 15 aufzubringende Bremskraft muss mindestens so gross sein, wie die maximale Seilkraftdifferenz an der Treibscheibe 2.At overspeed of the elevator car 1 in Upward direction does not become the speed limiter 5 as blocked in overspeeding in the down direction, but the rope brake 15 by means of the release mechanism 14th actuated. The rope brake 15 must be at least the compensate unbalanced forces on the traction sheave 2, for a further acceleration of the uphill To prevent elevator car 1. At a higher level Braking force will be the system according to the Investment moment of inertia delayed. The of the rope brake 15 applied braking force must be at least as large like the maximum rope force difference at the traction sheave 2.

Fig. 2 zeigt Einzelheiten des Geschwindigkeitsbegrenzers 5, des Auslösemechanismus 14 und der Seilbremse 15. Das Begrenzerseil 6 ist über eine an einer ersten Achse 16 drehbar gelagerte Seilscheibe 17 mit einer Seilrille geführt. Die erste Achse 16 ist von einem Gehäuse 18 getragen. An der Seilscheibe 17 ist ein Sperrkranz 19 mit Sperrkranzähnen 20 und ein Nockenrad 21 mit Nocken 22 angeordnet. Das Gehäuse 18 trägt eine zweite Achse 23, an der ein Pendelhebel 24 mit einer Pendelrolle 25 drehbar gelagert ist. Bei Normalgeschwindigkeit folgt die Pendelrolle 25 der durch die Nocken 22 gebildeten Nockenbahn des Nockenrades 21. Bei Übergeschwindigkeit vermag die Pendelrolle 25 aufgrund der Trägheit des Pendelhebels 24 der Nockenbahn nicht mehr zu folgen. An dem der Pendelrolle 25 gegenüberliegenden Ende des Pendelhebels 24 ist eine erste Nase 26 angeordnet, die bei Normalgeschwindigkeit der Aufzugskabine 1 zwischen zwei Sperrkranzzähne 20 eintaucht, wenn die Pendelrolle 25 auf einer Nocke 22 steht und die aus der Bahn der Sperrkranzzähne 20 gehoben wird, wenn die Pendelrolle 25 zwischen zwei Nocken 22 steht. Bei Übergeschwindigkeit der Aufzugskabine 1 in Abwärtsrichtung bleibt die erste Nase 26 zwischen zwei Sperrkranzzähnen 20 stehen, wobei die rechte Flanke des nachfolgenden Sperrkranzzahnes 20 an der ersten Nase 26 ansteht und den Sperrkranz 19 und somit die Seilscheibe 17 blockiert. Durch die Relativbewegung der Aufzugskabine 1 gegenüber dem blockierten Begrenzerseil 6 wird mittels des ersten Auslösehebels 8 die Fangvorrichtung 9 eingerückt und die Aufzugskabine 1 an den Führungsschienen festgesetzt.2 shows details of the speed limiter 5, the trigger mechanism 14 and the rope brake 15. Das Limiter rope 6 is via a on a first axis 16th rotatably mounted pulley 17 with a rope groove guided. The first axis 16 is of a housing 18th carried. On the pulley 17 is a locking ring 19 with Sperrkranzähnen 20 and a cam 21 with cam 22nd arranged. The housing 18 carries a second axis 23, on a pendulum lever 24 rotatable with a spherical roller 25 is stored. At normal speed follows the Spherical roller 25 formed by the cam 22 Cam track of cam wheel 21. At overspeed can the pendulum roller 25 due to the inertia of the Swing lever 24 of the cam track not to follow. To the the pendulum roller 25 opposite end of the pendulum lever 24, a first lug 26 is arranged at Normal speed of the elevator car 1 between two Sperrkranzzähne 20 is immersed when the pendulum roller 25 on a cam 22 stands and the off the track of the Sperrkranzzähne 20 is lifted when the pendulum roller 25th between two cams 22 is. At overspeed the Elevator car 1 in the downward direction remains the first nose 26th between two Sperrkranzzähnen 20 are, with the right Flank of the following locking ring tooth 20 at the first Nose 26 is pending and the locking ring 19 and thus the Sheave 17 blocked. Due to the relative movement of Elevator car 1 with respect to the blocked governor rope 6 is by means of the first trigger lever 8, the safety gear 9 engaged and the elevator car 1 to the Fixed guide rails.

An dem der Pendelrolle 25 gegenüberliegenden Ende des Pendelhebels 24 ist ein Betätigungshebel 27 an einer dritten Achse 28 des Pendelhebels 24 drehbar angeordnet. Der Betätigungshebel 27 wird mittels einer Rückhalteeinrichtung, beispielsweise mittels eines Schnäppers relativ zum Pendelhebel 24 in einer Ruhelage gehalten. Eine zweite Nase 29 des Betätigungshebels 27 taucht bei Normalgeschwindigkeit der Aufzugskabine 1 zwischen zwei Sperrkranzzähne 20 ein, wenn die Pendelrolle 25 auf einer Nocke 22 steht und wird aus der Bahn der Sperrkranzzähne 20 gehoben wird, wenn die Pendelrolle 25 zwischen zwei Nocken 22 steht. Bei Übergeschwindigkeit der Aufzugskabine 1 in Aufwärtsrichtung bleibt die zweite Nase 29 zwischen zwei Sperrkranzzähnen 20 stehen, wobei die linke Flanke des nachfolgenden Sperrkranzzahnes 20 an der zweiten Nase 29 ansteht und den Betätigungshebel 27 in eine Rechtsdrehung versetzt. Der Sperrkranz 19 und somit die Seilscheibe 17 und das Begrenzerseil 6 bewegen sich weiter. Durch die Rechtsdrehung des Betätigungshebels 27 versetzt ein Betätigungsschenkel 30 des Betätigungshebels 27 einen zweiten Auslösehebel 31 der Seilbremse 15 in eine Linksdrehung um eine vierte Achse 32 der Seilbremse 15, wobei mindestens eine mittels mindestens einer Druckfeder 33 verschiebbare Bremsbacke 34 freigesetzt wird. Die Bremsbacke 34 bewegt sich nach unten und wird mittels der Druckfeder 33 gegen mindestens eine am Gehäuse 18 angeordnete Gegenbacke 35 gepresst, wobei das zwischen den Backen 34, 35 laufende Begrenzerseil 6 abgebremst wird. Die auf das Begrenzerseil 6 ausgeübte Bremskraft bremst die Aufzugskabine 1 und das Gegengewicht 4 sanft ab und ist abhängig von der Federkraft der Druckfeder 33, der Oberfläche der Backen 34, 35 und von der Oberfläche des Begrenzerseiles 6. Die Abbremsung erfolgt via Begrenzerseil 6, Federsockel 12, Ausgleichsfeder 13 und Ausleger 11 auf das Gegengewicht 4.At the opposite end of the spherical roller 25 of the Swing lever 24 is an operating lever 27 at one third axis 28 of the pendulum lever 24 rotatably disposed. The operating lever 27 is by means of a Retaining device, for example by means of a Schnäppers relative to the pendulum lever 24 in a rest position held. A second nose 29 of the operating lever 27th appears at normal speed of the elevator car. 1 between two ratchet teeth 20 when the pendulum roller 25 stands on a cam 22 and is off the track of Sperrkranzzähne 20 is lifted when the pendulum roller 25th between two cams 22 is. At overspeed the Elevator car 1 in the upward direction remains the second nose 29 between two Sperrkranzzähnen 20 are, the left flank of the following locking ring tooth 20 at the second nose 29 is present and the operating lever 27 in a Clockwise rotation offset. The locking ring 19 and thus the Sheave 17 and the governor rope 6 continue to move. Offset by the clockwise rotation of the actuating lever 27 an actuating leg 30 of the actuating lever 27 a second release lever 31 of the rope brake 15 in a Turning left about a fourth axis 32 of the rope brake 15, wherein at least one by means of at least one compression spring 33 displaceable brake shoe 34 is released. The Brake shoe 34 moves down and is using the Compression spring 33 against at least one of the housing 18th arranged counterjaw pressed 35, the between the Baking 34, 35 running limiter rope 6 is braked. The Braking force exerted on the governor rope 6 slows down the braking force Elevator car 1 and the counterweight 4 off gently and is depending on the spring force of the compression spring 33, the Surface of the jaws 34, 35 and from the surface of the Limiter Ropes 6. The braking takes place via limiter rope 6, spring base 12, balance spring 13 and boom 11 on the counterweight 4.

Fig. 3 und 4 zeigen eine Einrichtung zur Stillsetzung der Aufzugskabine 1 bei Übergeschwindigkeit in Aufwärtsrichtung mittels einer auf das Tragseil 3 wirkenden Seilbremse 15. Die Bewegung des zweiten Auslösehebels 31, 32 wird mittels eines Bowdenzuges 36 auf den zweiten Auslösehebel 31.1, 32.1 der Seilbremse 15 bei gleichbleibender Funktionsweise der Seilbremse 15 übertragen.3 and 4 show a device for stopping the Elevator car 1 at overspeeding in the upward direction by means of a cable brake 15 acting on the carrying cable 3. The movement of the second trigger lever 31, 32 is by means of a Bowden cable 36 on the second release lever 31.1, 32.1 of the rope brake 15 at the same functioning the rope brake 15 transmitted.

In einer weiteren Ausführungsvariante kann der Geschwindigkeitsbegrenzer 5 als Seilbremse eingesetzt werden. Bei dieser Variante wird bei Übergeschwindigkeit der Aufzugskabine 1 in Aufwärtsrichtung der Sperrkranz 19 mittels einer weiteren am Pendelhebel 24 angeordneten Nase blockiert. Durch die Reibung des Begrenzerseiles 6 in der eigens dafür ausgebildeten Seilrille der blockierten Seilscheibe 17 entsteht eine genügend grosse Bremskraft, falls das Begrenzerseil 6 sehr hoch vorgespannt ist.In a further embodiment of the Speed limiter 5 used as a rope brake become. In this variant is at overspeed the elevator car 1 in the upward direction of the locking ring 19th by means of a further arranged on the pendulum lever 24 nose blocked. Due to the friction of the governor rope 6 in the specially trained rope groove of the blocked Sheave 17 creates a sufficiently large braking force, if the governor rope 6 is biased very high.

Der zur Überwachung von Übergeschwindigkeiten der Aufzugskabine 1 in Abwärtsrichtung eingesetzte Geschwindigkeitsbegrenzer 5 mit dem Pendelhebel 24 und der ersten Nase 26 kann ohne weiteres zur Überwachung von Übergeschwindigkeiten der Aufzugskabine 1 in Aufwärtsrichtung nachgerüstet werden. Der Anbau des Betätigungshebels 27 und der Seilbremse 15 ist leicht machbar.The monitor for overspeed of the Elevator car 1 used in the downward direction Speed limiter 5 with the pendulum lever 24 and the first nose 26 can easily be used to monitor Overspeed of the elevator car 1 in Upstream be retrofitted. The cultivation of the Operating lever 27 and the rope brake 15 is light makeable.

Claims (7)

  1. Device for stopping an elevator installation consisting of an overspeed governor (5) which monitors the speed of an elevator car (1) connected to a counterweight (4) by means of a suspension rope (3), the movement of the elevator car (1) being capable of transmission to the overspeed governor (5) by means of a governor rope (6) which, should overspeed of the elevator car (1) in downward direction occur, actuates a safety gear (9) arranged on the elevator car (1), whereupon the safety gear (9) stops the elevator car (1),
    characterized in that
    to stop the elevator car (1) independently of the safety gear (9) if overspeed occurs in upward direction, the installation has a rope brake (15) which can be actuated by means of a tripping mechanism (14) of the overspeed governor (5).
  2. Device for stopping an elevator installation according to Claim 1,
    characterized in that
    the rope brake (15) is located on the governor rope (6), the governor rope (6) being braked by a braking device (33, 34, 35) of the rope brake (15) if overspeed of the elevator car (1) occurs in an upward direction.
  3. Device for stopping an elevator installation according to Claim 1,
    characterized in that
    the rope brake (15) is located on the suspension rope (3), the suspension rope (3) being braked by a braking device (33, 34, 35) of the rope brake (15) if overspeed of the elevator car (1) occurs in an upward direction.
  4. Device for stopping an elevator installation according to Claim 1,
    characterized in that
    the overspeed governor (5) serves as a rope brake, the governor rope (6) being braked by friction in a rope pulley (17) of the overspeed governor (5) if overspeed of the elevator car (1) occurs in an upward direction.
  5. Device for stopping an elevator installation according to Claims 1 to 3,
    characterized in that
    the tripping mechanism (14) is an actuating plate (27) which is mounted on a double-arm rocker (24) of the overspeed governor (5), and which is held at rest relative to the double-arm rocker (24) by means of a restraining device, and which when overspeed of the elevator car (1) occurs in an upward direction can be displaced by means of a toothed wheel (19) of the overspeed governor (5).
  6. Device for stopping an elevator installation according to Claims 1 to 3,
    characterized in that
    the rope brake (15) has at least one spring (33), at least one brake shoe (34), and at least one opposite brake shoe (35), there being a tripping lever (31) which can be actuated by the tripping mechanism (14) to release the brake shoe (34), and the rope (3, 6) being braked by brake shoes (34, 35) which are pretensioned by means of a spring.
  7. Device for stopping an elevator installation according to Claim 2,
    characterized in that
    an elastic rope linkage (11, 12, 13) is provided to connect the counterweight (4) to the governor rope (6).
EP99115669A 1998-08-14 1999-08-09 Device for stopping an elevator installation Expired - Lifetime EP0980842B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99115669A EP0980842B1 (en) 1998-08-14 1999-08-09 Device for stopping an elevator installation

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP98810779 1998-08-14
EP98810779 1998-08-14
EP99115669A EP0980842B1 (en) 1998-08-14 1999-08-09 Device for stopping an elevator installation

Publications (2)

Publication Number Publication Date
EP0980842A1 EP0980842A1 (en) 2000-02-23
EP0980842B1 true EP0980842B1 (en) 2003-12-03

Family

ID=8236249

Family Applications (1)

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EP99115669A Expired - Lifetime EP0980842B1 (en) 1998-08-14 1999-08-09 Device for stopping an elevator installation

Country Status (15)

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EP (1) EP0980842B1 (en)
JP (1) JP2000211841A (en)
AR (1) AR021198A1 (en)
AT (1) ATE255534T1 (en)
BR (1) BR9903588A (en)
CZ (1) CZ293515B6 (en)
DE (1) DE59907918D1 (en)
ES (1) ES2212425T3 (en)
HU (1) HU223608B1 (en)
IL (1) IL131057A (en)
NO (1) NO320636B1 (en)
PL (1) PL197088B1 (en)
PT (1) PT980842E (en)
SK (1) SK285406B6 (en)
ZA (1) ZA995117B (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN103415459A (en) * 2011-03-09 2013-11-27 因温特奥股份公司 Method and testing device for testing a speed-limiting system of a lift installation

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Publication number Priority date Publication date Assignee Title
FR2832139B1 (en) * 2001-11-13 2004-08-06 Otis Elevator Co PARACHUTE COUNTERWEIGHT INSTALLATION FOR ELEVATOR
DE50309764D1 (en) * 2002-04-02 2008-06-19 Inventio Ag Device for engaging a safety gear for an elevator car
EP1350753B1 (en) * 2002-04-02 2008-05-07 Inventio Ag Device for engaging the emergency braking device of an elevator car
EP1792865B1 (en) 2004-09-09 2013-06-26 Mitsubishi Denki Kabushiki Kaisha Elevator apparatus
CN101973474B (en) * 2010-11-08 2012-07-18 日立电梯(上海)有限公司 Elevator overspeed protective device
CN103754724B (en) * 2014-01-06 2015-11-11 中国矿业大学 Device and method for driving speed limiter rope wheel during checking of elevator speed limiter
JP6296973B2 (en) * 2014-12-24 2018-03-20 株式会社日立製作所 Speed governor and elevator device
CN106006300A (en) * 2016-07-27 2016-10-12 江南嘉捷电梯股份有限公司 Elevator speed governor system
EP3517473A1 (en) * 2018-01-25 2019-07-31 KONE Corporation Inertia brake for braking a governor rope of a governor system of an elevator system
CN109693980B (en) * 2019-02-21 2021-03-19 联想(北京)有限公司 Elevator dispatching method, device and system
EP3819245A1 (en) * 2019-11-08 2021-05-12 KONE Corporation An elevator
GR1010279B (en) * 2021-10-12 2022-08-05 Ευαγγελος Νικολαου Κλαμπανης Speed regulator's security mechanism

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CH669181A5 (en) * 1985-08-29 1989-02-28 Inventio Ag PRELIMINARY DEVICE ON A CAM WHEEL SPEED LIMITER FOR ELEVATOR.
US5197571A (en) * 1991-06-03 1993-03-30 Burrell Michael P Self centering elevator cable safety brake
US5183979A (en) * 1991-07-22 1993-02-02 Otis Elevator Company Elevator governor rope restraint when elevator car moves with car doors open
US5299661A (en) * 1992-11-03 1994-04-05 Otis Elevator Company Mechanical overspeed safety device
US5495919A (en) * 1994-04-25 1996-03-05 Otis Elevator Company Safety brake apparatus for an elevator car or counterweight
US5617933A (en) * 1995-06-13 1997-04-08 Otis Elevator Company Bi-directional elevator governor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103415459A (en) * 2011-03-09 2013-11-27 因温特奥股份公司 Method and testing device for testing a speed-limiting system of a lift installation
CN103415459B (en) * 2011-03-09 2015-11-25 因温特奥股份公司 For detecting method and the detecting device of the speed limiting system of lift facility

Also Published As

Publication number Publication date
SK105099A3 (en) 2000-05-16
NO993924D0 (en) 1999-08-13
HU223608B1 (en) 2004-10-28
CZ293515B6 (en) 2004-05-12
ES2212425T3 (en) 2004-07-16
DE59907918D1 (en) 2004-01-15
ATE255534T1 (en) 2003-12-15
BR9903588A (en) 2000-09-05
PL334896A1 (en) 2000-02-28
ZA995117B (en) 2000-11-16
SK285406B6 (en) 2007-01-04
HUP9902702A2 (en) 2000-09-28
CZ289499A3 (en) 2000-02-16
AR021198A1 (en) 2002-07-03
PT980842E (en) 2004-04-30
JP2000211841A (en) 2000-08-02
EP0980842A1 (en) 2000-02-23
NO993924L (en) 2000-02-15
PL197088B1 (en) 2008-02-29
NO320636B1 (en) 2006-01-09
HUP9902702A3 (en) 2001-05-28
IL131057A (en) 2002-07-25
IL131057A0 (en) 2001-01-28
HU9902702D0 (en) 1999-10-28

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