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EP1602615B1 - Safety device to block the elevator car in it's movement - Google Patents

Safety device to block the elevator car in it's movement Download PDF

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Publication number
EP1602615B1
EP1602615B1 EP05103708.3A EP05103708A EP1602615B1 EP 1602615 B1 EP1602615 B1 EP 1602615B1 EP 05103708 A EP05103708 A EP 05103708A EP 1602615 B1 EP1602615 B1 EP 1602615B1
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EP
European Patent Office
Prior art keywords
actuator
elevator car
blocking device
safety device
bowden cable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EP05103708.3A
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German (de)
French (fr)
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EP1602615A1 (en
Inventor
Eric Rossignol
Julien Maury
Steven Casaer
Mario Fernandes
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Inventio AG
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Inventio AG
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Priority to EP05103708.3A priority Critical patent/EP1602615B1/en
Publication of EP1602615A1 publication Critical patent/EP1602615A1/en
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Publication of EP1602615B1 publication Critical patent/EP1602615B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B17/00—Hoistway equipment
    • B66B17/34—Safe lift clips; Keps
    • 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
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel

Definitions

  • the invention relates to a safety device for securing an elevator car, the elevator car being prevented from unauthorized movements and the travel path of the elevator car being limited by means of a fixing device provided for each guide rail of the elevator car.
  • the lift cage which can be moved along guide rails, consists of a platform which is supported by a frame consisting of side parts, an upper yoke and a lower yoke.
  • a fixing device is provided, which prevents the elevator car from unauthorized downward movements.
  • an extendable pin is provided, which is extended within a certain zone. If the elevator car sags, the travel path of the elevator car is limited by means of the bolts which rest on plates of the guide rails.
  • DE 24 60 337 is another solution, which is considered the closest prior art.
  • a disadvantage of the known device is that a complicated linkage is necessary for actuating the bolt, which is also difficult to monitor.
  • the invention aims to remedy this situation.
  • the invention as characterized in claim 1 solves the problem of avoiding the disadvantages of the known device and to provide a fixing device that safely limits the travel path of the elevator car.
  • the advantages achieved by the invention are essentially to be seen in the fact that upon actuation of the fixing device, the target speed of the elevator car is reduced, for example, to revision speed.
  • the arranged, for example, on the guide rails mechanical stops that limit the travel of the elevator car are provided with buffer. If the elevator car moves with the fixing device on the attacks, the resulting forces are absorbed by buffers.
  • the attacks are arranged, for example, four meters below the shaft ceiling, which ensures the maintenance crew on the car roof in case of unforeseen upward movement of the elevator car enough free manhole space (temporary shelter).
  • the fixing device of a first cabin side is monitored by means of the fixing device of another cabin side, in that the one actuator actuates the other actuator, wherein the position of the other actuator is electrically monitored. Sensors monitor the actuator position for normal operation and revision operation, whereby unauthorized positions of the actuator between normal operation and revision operation can be monitored.
  • Fig. 1 shows a lower yoke 1 with cabin carrier 2 and the one fixing device 3. Not shown is the patch on the car carrier 2 elevator car. Arranged on the car carrier 2 is an apron 4, which prevents persons stuck from the floor into the elevator shaft when halfway up the elevator car and open doors can fall.
  • a boom 5 of the yoke 1 serves as a carrier for a safety gear 6 and for a guide shoe 7, which cooperate with a guide rail, not shown.
  • the arranged at one end of the lower yoke 1 a fixing device 3 cooperates with a stop 8, which is arranged on the guide rail, for example four meters below the shaft ceiling and limited together with the fixing device 3, the travel of Aufgzugskababine upwards.
  • Fig. 2 shows the lower yoke 1 with cabin support 2 and the other fixing means 9 arranged at the other end of the yoke 1, wherein the two fixing means are 3.9 diagonally opposite.
  • the first fixing device 3 can be actuated by means of the first Bowden cable 10 and the other fixing device 9 is actuated by means of second Bowden cable 11.
  • the other fixing device 9 arranged at the other end of the lower yoke 1 cooperates with a stop 12 which, for example, four meters below the guide rail Shaft cover is arranged and together with the fixing device 9 limits the travel path of the Aufziehkababine upwards.
  • the position of the fixing device 9 is monitored by means of the first sensor 13 and by means of the second sensor 14.
  • Fig. 3 shows the first fixing means 3 and the other fixing means 9 in interaction, wherein the first Bowden cable 10, the first fixing means 3 is actuated and the first fixing means 3 by means of second Bowden cable 11 actuates the other fixing means 9.
  • the first fixing device 3 consists of a housing 3.1, a compression spring 3.2 and an actuator 3.3, wherein in Fig. 3 the housing 3.1 is not shown.
  • the first Bowden cable 10 is associated with a in Fig. 4 shown trigger mechanism 16 and with the actuator 3.3.
  • the other fixing device 9 consists of a housing 9.1, a compression spring 9.2 and an actuator 9.3, wherein in Fig. 3 the housing 9.1 is not shown.
  • the second Bowden cable 11 is in communication with the actuator 3.3 and with the actuator 9.3.
  • Fig. 3a shows the first Bowden cable 10, which operates the first fixing device 3, wherein the first fixing device 3 by means of second Bowden cable 11 actuates the other fixing device 9.
  • the actuator 3.3 has bolts 3.31, which are guided in long slots 3.11 of the housing 3.1.
  • the string 11.2 of the second Bowden cable 11 is arranged, wherein the casing 11.1 of the second Bowden cable 11 is supported on the housing 3.1.
  • the actuator 3.3 Upon actuation of the actuator 3.3, the string 11.2 is moved, which in turn actuates the actuator 9.3 of the other fixing device 9.
  • Fig. 4 shows the arranged on a car roof frame 15 tripping mechanism 16 for actuating the first fixing means 3.
  • the jacket 10.1 of the first Bowden cable 10 is connected to a housing 16.1 of the tripping mechanism 16.
  • the string 10.2 of the first Bowden cable 10 is hinged to a two-armed about a shaft 16.6 rotatable reset lever 16.3, which has a first leg 16.4 and a second leg 16.5, wherein the string 10.2 engages the first leg 16.4 and the second leg 16.5 is formed as a reset handle.
  • the reset lever 16.3 can be released by means of release button 16.2.
  • Fig. 4a shows details of the release mechanism 16.
  • the 16.6 rotatably mounted on the axis restoring lever 16.3 is locked by means of a bolt 16.21 of the release button 16.2, wherein the bolt 16.21 penetrates into a bore 16.31 of the reset lever 16.3.
  • To unlock the reset lever 16.3 of the bolt 16.21 is removed against a spring force by means of a knob 16.22 from the bore 16.31.
  • the spring force generating spring is arranged in a sleeve 16.23.
  • the return lever 16.3 is rotated by means of Bowden cable 10,11 and by spring force of the compression springs 3.2 and 9.2.
  • Fig. 5 shows the fixing device 9 with the actuator 9.3 in the rest position, with the elevator car seen in the upward direction with its actuator 3.3 in front of the stop 8 or with its actuator 9.3 in front of the stop 12.
  • the actuator 9.3 has a first notch 9.4 and a second notch 9.5, according to FIGS. 7 and 8 serve to actuate the sensors 13,14.
  • the stop 12 consists of a arranged on the guide rail plate 12.1, which has a channel 12.2. At the lower end of the channel 12.2, a buffer 12.5 and a mouth 12.3 is provided with a recess 12.4, wherein the buffer 12.5 extends into the mouth 12.3.
  • the actuator 9.3 is guided on the housing 9.1 and on a guide 9.6 of the car carrier 2 and is held against the spring force of the compression spring 9.2 by means of the second Bowden cable 11.
  • the stop 8 consists of a arranged on the guide rail plate 8.1, which has a channel 8.2. At the lower end of the channel 8.2, a buffer and a mouth 8.3 is provided with a recess, wherein the buffer reaches into the mouth 8.3.
  • the actuator 3.3 is guided on the housing 3.1 and on a guide of the car carrier 2 and is retained against the spring force of the compression spring 3.2 by means of the first Bowden cable 10.
  • Fig. 6 shows the fixing device 9 with the actuator 9.3 in working position, with the elevator car seen in the upward direction with its actuator 3.3 in front of the stop 8 and with its actuator 9.3 in front of the stop 12.
  • the spring force of the compression spring 9.2 supported on the housing 9.1 and on the actuator 9.3 becomes effective as soon as the triggering mechanism 16 is actuated by means of the release button 16.6.
  • the spring force moves the actuator 9.3 in the mouth 12.3. If the elevator car continues to move upwards, the actuator 9.3 hits the buffer 12.5, whereby the buffer 12.5 springs in and absorbs the resulting forces.
  • the U-shaped recess 12.4 fits on a third notch 9.7 of the actuator 9.3, which can move along the recess 12.4.
  • the spring force of the housing 3.1 and the actuator 3.3 supporting compression spring 3.2 is effective as soon as the release mechanism 16 is actuated by means of the release button 16.6.
  • the spring force moves the actuator 3.3 in the mouth 12.3. If the elevator car continues to move upwards, the actuator 3.3 hits the buffer, whereby the buffer springs in and absorbs the resulting forces.
  • the U-shaped recess fits on a third notch of the actuator 3.3, which can move along the recess.
  • Fig. 7 shows the actuator 9.3 in the rest position with the first sensor 13 and the second sensor 14 for monitoring the actuator position.
  • sensors 13,14 limit switches are provided, for example. Non-contact sensors are also possible.
  • the first sensor 13 is activated in the rest position of the actuator 9.3, the second sensor 14 detects in the rest position of the actuator 9.3, the second notch 9.5 and is not activated.
  • the elevator control processes the signals from the sensors 13, 14 and releases the speed for the normal driving operation as the setpoint speed of the elevator car.
  • Fig. 8 shows the actuator 9.3 in working position with the first sensor 13 and the second sensor 14 for monitoring the actuator position.
  • the actuator 9.3 has been moved relative to the rest position by the distance s, for example 50 mm.
  • sensors 13,14 limit switches are provided, for example. Non-contact sensors are also possible.
  • the first sensor 13 is deactivated in the working position of the actuator 9.3 by means of the first notch 9.4.
  • the second sensor 14 is activated in the working position of the actuator 9.3.
  • the elevator control processes the signals from the sensors 13, 14 and releases the speed for the revision mode as the setpoint speed of the elevator car.
  • both sensors 13,14 are activated.
  • the elevator control processes the signals from the sensors 13, 14 and completely blocks the operation of the elevator car.
  • the usually arranged on the roof of the elevator car switch for revision operation is omitted in the inventive device.
  • the elevator control automatically switches to revision mode or automatically to normal driving mode on the basis of the signals from the sensors 13,14.

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Description

Die Erfindung betrifft eine Sicherheitseinrichtung zum Festsetzen einer Aufzugskabine, wobei die Aufzugskabine an unerlaubten Bewegungen gehindert und der Fahrweg der Aufzugskabine begrenzt wird mittels einer je Führungsschiene der Aufzugskabine vorgesehenen Festsetzeinrichtung.The invention relates to a safety device for securing an elevator car, the elevator car being prevented from unauthorized movements and the travel path of the elevator car being limited by means of a fixing device provided for each guide rail of the elevator car.

Aus der Patentschrift US 5 773 771 ist eine Einrichtung zum Festsetzen einer Aufzugskabine bekannt geworden. Die entlang von Führungsschienen verfahrbare Aufzugskabine besteht aus einer Plattform, die von einem aus Seitenteilen, einem oberen Joch und einem unteren Joch bestehendem Rahmen getragen wird. Am unteren Joch ist eine Festsetzeinrichtung vorgesehen, die die Aufzugskabine an unerlaubten Abwärtsbewegungen hindert. Je Ende des unteren Jochs ist ein ausfahrbarer Bolzen vorgesehen, der innerhalb einer bestimmten Zone ausgefahren wird. Falls die Aufzugskabine absackt, wird der Fahrweg der Aufzugskabine mittels der Bolzen begrenzt, die an Platten der Führungsschienen anstehen. Noch eine andere Lösung, die als nächstliegender stand der Technik angesehen wird, wird in DE 24 60 337 offenbart. Ein Nachteil der bekannten Einrichtung liegt darin, dass zur Betätigung der Bolzen ein kompliziertes Gestänge notwendig ist, das zudem schwierig zu überwachen ist.From the patent US 5,773,771 a device for fixing an elevator car has become known. The lift cage, which can be moved along guide rails, consists of a platform which is supported by a frame consisting of side parts, an upper yoke and a lower yoke. At the lower yoke a fixing device is provided, which prevents the elevator car from unauthorized downward movements. At each end of the lower yoke an extendable pin is provided, which is extended within a certain zone. If the elevator car sags, the travel path of the elevator car is limited by means of the bolts which rest on plates of the guide rails. Yet another solution, which is considered the closest prior art, is in DE 24 60 337 disclosed. A disadvantage of the known device is that a complicated linkage is necessary for actuating the bolt, which is also difficult to monitor.

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 Festsetzeinrichtung zu schaffen, die den Fahrweg der Aufzugskabine sicher begrenzt.The invention aims to remedy this situation. The invention as characterized in claim 1 solves the problem of avoiding the disadvantages of the known device and to provide a fixing device that safely limits the travel path of the elevator car.

Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Patentansprüchen angegeben.Advantageous developments of the invention are specified in the dependent claims.

Die durch die Erfindung erreichten Vorteile sind im wesentlichen darin zu sehen, dass bei Betätigung der Festsetzeinrichtung die Sollgeschwindigkeit der Aufzugskabine beispielsweise auf Revisionsgeschwindigkeit reduziert wird. Die beispielsweise an den Führungsschienen angeordneten mechanischen Anschläge, die den Fahrweg der Aufzugskabine begrenzen, sind mit Puffer versehen. Falls die Aufzugskabine mit der Festsetzeinrichtung auf die Anschläge fährt, werden die entstehenden Kräfte von Puffern aufgenommen. Die Anschläge sind beispielsweise vier Meter unterhalb der Schachtdecke angeordnet, was dem sich auf dem Kabinendach aufhaltenden Wartungspersonal bei unvorhergesehener Aufwärtsfahrt der Aufzugskabine genügend freien Schachtkopfraum (temporärer Schutzraum) sicherstellt. Die Festsetzeinrichtung einer ersten Kabinenseite wird mittels der Festsetzeinrichtung einer anderen Kabinenseite überwacht, indem der ein erster Aktuator den anderen Aktuator betätigt, wobei die Stellung des anderen Aktuators elektrisch überwacht wird. Sensoren überwachen die Aktuatorstellung für Normalbetrieb und Revisionsbetrieb, wobei auch unerlaubte Stellungen des Aktuators zwischen Normalbetrieb und Revisionsbetrieb überwachbar sind.The advantages achieved by the invention are essentially to be seen in the fact that upon actuation of the fixing device, the target speed of the elevator car is reduced, for example, to revision speed. The arranged, for example, on the guide rails mechanical stops that limit the travel of the elevator car are provided with buffer. If the elevator car moves with the fixing device on the attacks, the resulting forces are absorbed by buffers. The attacks are arranged, for example, four meters below the shaft ceiling, which ensures the maintenance crew on the car roof in case of unforeseen upward movement of the elevator car enough free manhole space (temporary shelter). The fixing device of a first cabin side is monitored by means of the fixing device of another cabin side, in that the one actuator actuates the other actuator, wherein the position of the other actuator is electrically monitored. Sensors monitor the actuator position for normal operation and revision operation, whereby unauthorized positions of the actuator between normal operation and revision operation can be monitored.

Anhand der beiliegenden Figuren wird die vorliegende Erfindung näher erläutert.Reference to the accompanying figures, the present invention will be explained in more detail.

Es zeigen:

  • Fig. 1 ein unteres Joch mit Kabinenträger und der einen Festsetzeinrichtung,
  • Fig. 2 das unteres Joch mit Kabinenträger und der anderen Festsetzeinrichtung,
  • Fig. 3 die eine und die andere Festsetzeinrichtung in Wechselwirkung,
  • Fig. 3a Einzelheiten der einen Festsetzeinrichtung,
  • Fig. 4 eine Auslösemechanik zur Betätigung der Festsetzeinrichtung,
  • Fig. 4a Einzelheiten der Auslösemechanik,
  • Fig. 5 die Festsetzeinrichtung mit einem Aktuator in Ruhestellung,
  • Fig. 6 die Festsetzeinrichtung mit dem Aktuator in Arbeitsstellung,
  • Fig. 7 der Aktuator in Ruhestellung mit zwei Sensoren zur Überwachung der Aktuatorstellung und
  • Fig. 8 der Aktuator in Arbeitsstellung mit zwei Sensoren zur Überwachung der Aktuatorstellung.
Show it:
  • Fig. 1 a lower yoke with cabin support and the one fixing device,
  • Fig. 2 the lower yoke with cabin carrier and the other fixing device,
  • Fig. 3 the one and the other fixing device interact,
  • Fig. 3a Details of a fixing device,
  • Fig. 4 a trigger mechanism for actuating the fixing device,
  • Fig. 4a Details of the release mechanism,
  • Fig. 5 the fixing device with an actuator at rest,
  • Fig. 6 the fixing device with the actuator in working position,
  • Fig. 7 the actuator at rest with two sensors to monitor the actuator position and
  • Fig. 8 the actuator in working position with two sensors for monitoring the actuator position.

Fig. 1 zeigt ein unteres Joch 1 mit Kabinenträger 2 und der einen Festsetzeinrichtung 3. Nicht dargestellt ist die auf den Kabinenträger 2 aufgesetzte Aufzugskabine. Am Kabinenträger 2 angeordnet ist eine Schürze 4, die verhindert, dass bei auf halber Höhe steckengebliebener Aufzugskabine und geöffneten Türen Personen vom Stockwerk her in den Aufzugsschacht fallen können. Ein Ausleger 5 des Jochs 1 dient als Träger für eine Fangvorrichtung 6 und für einen Führungsschuh 7, die mit einer nicht dargestellten Führungsschiene zusammenwirken. Die am einen Ende des unteren Jochs 1 angeordnete eine Festsetzeinrichtung 3 wirkt mit einem Anschlag 8 zusammen, der an der Führungsschiene beispielsweise vier Meter unterhalb der Schachtdecke angeordnet ist und zusammen mit der Festsetzeinrichtung 3 den Fahrweg der Aufgzugskabine nach oben begrenzt. Fig. 1 shows a lower yoke 1 with cabin carrier 2 and the one fixing device 3. Not shown is the patch on the car carrier 2 elevator car. Arranged on the car carrier 2 is an apron 4, which prevents persons stuck from the floor into the elevator shaft when halfway up the elevator car and open doors can fall. A boom 5 of the yoke 1 serves as a carrier for a safety gear 6 and for a guide shoe 7, which cooperate with a guide rail, not shown. The arranged at one end of the lower yoke 1 a fixing device 3 cooperates with a stop 8, which is arranged on the guide rail, for example four meters below the shaft ceiling and limited together with the fixing device 3, the travel of Aufgzugskababine upwards.

Fig. 2 zeigt das untere Joch 1 mit Kabinenträger 2 und der am anderen Ende des Jochs 1 angeordneten anderen Festsetzeinrichtung 9, wobei die beiden Festsetzeinrichtungen 3,9 diagonal gegenüberliegend sind. Die erste Festsetzeinrichtung 3 ist betätigbar mittels erstem Bowdenzug 10 und die andere Festsetzeinrichtung 9 ist betätigbar mittels zweitem Bowdenzug 11. Die am anderen Ende des unteren Jochs 1 angeordnete andere Festsetzeinrichtung 9 wirkt mit einem Anschlag 12 zusammen, der an der Führungsschiene beispielsweise vier Meter unterhalb der Schachtdecke angeordnet ist und zusammen mit der Festsetzeinrichtung 9 den Fahrweg der Aufgzugskabine nach oben begrenzt. Die Stellung der Festsetzeinrichtung 9 wird mittels erstem Sensor 13 und mittels zweitem Sensor 14 überwacht. Fig. 2 shows the lower yoke 1 with cabin support 2 and the other fixing means 9 arranged at the other end of the yoke 1, wherein the two fixing means are 3.9 diagonally opposite. The first fixing device 3 can be actuated by means of the first Bowden cable 10 and the other fixing device 9 is actuated by means of second Bowden cable 11. The other fixing device 9 arranged at the other end of the lower yoke 1 cooperates with a stop 12 which, for example, four meters below the guide rail Shaft cover is arranged and together with the fixing device 9 limits the travel path of the Aufziehkababine upwards. The position of the fixing device 9 is monitored by means of the first sensor 13 and by means of the second sensor 14.

Fig. 3 zeigt die erste Festsetzeinrichtung 3 und die andere Festsetzeinrichtung 9 in Wechselwirkung, wobei der erste Bowdenzug 10 die erste Festsetzeinrichtung 3 betätigt und die erste Festsetzeinrichtung 3 mittels zweitem Bowdenzug 11 die andere Festsetzeinrichtung 9 betätigt. Die erste Festsetzeinrichtung 3 besteht aus einem Gehäuse 3.1, einer Druckfeder 3.2 und einem Aktuator 3.3, wobei in Fig. 3 das Gehäuse 3.1 nicht dargestellt ist. Der erste Bowdenzug 10 steht in Verbindung mit einer in Fig. 4 gezeigten Auslösemechanik 16 und mit dem Aktuator 3.3. Die andere Festsetzeinrichtung 9 besteht aus einem Gehäuse 9.1, einer Druckfeder 9.2 und einem Aktuator 9.3, wobei in Fig. 3 das Gehäuse 9.1 nicht dargestellt ist. Der zweite Bowdenzug 11 steht in Verbindung mit dem Aktuator 3.3 und mit dem Aktuator 9.3. Fig. 3 shows the first fixing means 3 and the other fixing means 9 in interaction, wherein the first Bowden cable 10, the first fixing means 3 is actuated and the first fixing means 3 by means of second Bowden cable 11 actuates the other fixing means 9. The first fixing device 3 consists of a housing 3.1, a compression spring 3.2 and an actuator 3.3, wherein in Fig. 3 the housing 3.1 is not shown. The first Bowden cable 10 is associated with a in Fig. 4 shown trigger mechanism 16 and with the actuator 3.3. The other fixing device 9 consists of a housing 9.1, a compression spring 9.2 and an actuator 9.3, wherein in Fig. 3 the housing 9.1 is not shown. The second Bowden cable 11 is in communication with the actuator 3.3 and with the actuator 9.3.

Fig. 3a zeigt den ersten Bowdenzug 10, der die erste Festsetzeinrichtung 3 betätigt, wobei die erste Festsetzeinrichtung 3 mittels zweitem Bowdenzug 11 die andere Festsetzeinrichtung 9 betätigt. Der Aktuator 3.3 weist Bolzen 3.31 auf, die in Langschlitzen 3.11 des Gehäuses 3.1 geführt sind. Am einen Bolzen 3.31 ist die Saite 11.2 des zweiten Bowdenzuges 11 angeordnet, wobei sich der Mantel 11.1 des zweiten Bowdenzuges 11 am Gehäuse 3.1 abstützt. Bei Betätigung des Aktuators 3.3 wird die Saite 11.2 mitbewegt, die wiederum den Aktuator 9.3 der anderen Festsetzeinrichtung 9 betätigt. Fig. 3a shows the first Bowden cable 10, which operates the first fixing device 3, wherein the first fixing device 3 by means of second Bowden cable 11 actuates the other fixing device 9. The actuator 3.3 has bolts 3.31, which are guided in long slots 3.11 of the housing 3.1. At a bolt 3.31 the string 11.2 of the second Bowden cable 11 is arranged, wherein the casing 11.1 of the second Bowden cable 11 is supported on the housing 3.1. Upon actuation of the actuator 3.3, the string 11.2 is moved, which in turn actuates the actuator 9.3 of the other fixing device 9.

Fig. 4 zeigt die an einem Kabinendachrahmen 15 angeordnete Auslösemechanik 16 zur Betätigung der ersten Festsetzeinrichtung 3. Der Mantel 10.1 des ersten Bowdenzuges 10 ist mit einem Gehäuse 16.1 der Auslösemechanik 16 verbunden. Die Saite 10.2 des ersten Bowdenzuges 10 ist an einem zweiarmigen um eine Achse 16.6 drehbaren Rückstellhebel 16.3 angelenkt, der einen ersten Schenkel 16.4 und einen zweiten Schenkel 16.5 aufweist, wobei die Saite 10.2 am ersten Schenkel 16.4 angreift und der zweite Schenkel 16.5 als Rückstellgriff ausgebildet ist. Der Rückstellhebel 16.3 kann mittels Auslöseknopf 16.2 freigesetzt werden. Fig. 4 shows the arranged on a car roof frame 15 tripping mechanism 16 for actuating the first fixing means 3. The jacket 10.1 of the first Bowden cable 10 is connected to a housing 16.1 of the tripping mechanism 16. The string 10.2 of the first Bowden cable 10 is hinged to a two-armed about a shaft 16.6 rotatable reset lever 16.3, which has a first leg 16.4 and a second leg 16.5, wherein the string 10.2 engages the first leg 16.4 and the second leg 16.5 is formed as a reset handle. The reset lever 16.3 can be released by means of release button 16.2.

Fig. 4a zeigt Einzelheiten der Auslösemechanik 16. Der an der Achse 16.6 drehbar gelagerte Rückstellhebel 16.3 ist mittels eines Bolzens 16.21 des Auslöseknopfes 16.2 verriegelbar, wobei der Bolzen 16.21 in eine Bohrung 16.31 des Rückstellhebels 16.3 eindringt. Zum Entriegeln des Rückstellhebels 16.3 wird der Bolzen 16.21 entgegen einer Federkraft mittels eines Knopfes 16.22 aus der Bohrung 16.31 entfernt. Die die Federkraft erzeugende Feder ist in einer Büchse 16.23 angeordnet. Sobald der Bolzen 16.21 aus der Bohrung 16.31 entfernt ist, wird der Rückstellhebel 16.3 mittels Bowdenzug 10,11 und mittels Federkraft der Druckfedern 3.2 und 9.2 gedreht. Fig. 4a shows details of the release mechanism 16. The 16.6 rotatably mounted on the axis restoring lever 16.3 is locked by means of a bolt 16.21 of the release button 16.2, wherein the bolt 16.21 penetrates into a bore 16.31 of the reset lever 16.3. To unlock the reset lever 16.3 of the bolt 16.21 is removed against a spring force by means of a knob 16.22 from the bore 16.31. The spring force generating spring is arranged in a sleeve 16.23. As soon as the bolt 16.21 is removed from the bore 16.31, the return lever 16.3 is rotated by means of Bowden cable 10,11 and by spring force of the compression springs 3.2 and 9.2.

Fig. 5 zeigt die Festsetzeinrichtung 9 mit dem Aktuator 9.3 in Ruhestellung, wobei sich die Aufzugskabine in Aufwärtsrichtung gesehen mit seinem Aktuator 3.3 vor dem Anschlag 8 bzw. mit seinem Aktuator 9.3 vor dem Anschlag 12 befindet. Zur Überwachung der Aktuatorstellung weist der Aktuator 9.3 eine erste Kerbe 9.4 und eine zweite Kerbe 9.5 auf, die gemäss Fig. 7 und Fig. 8 zur Betätigung der Sensoren 13,14 dienen. Der Anschlag 12 besteht aus einer an der Führungsschiene angeordneten Platte 12.1, die einen Kanal 12.2 aufweist. Am unteren Ende des Kanals 12.2 ist ein Puffer 12.5 und eine Mündung 12.3 mit einer Ausnehmung 12.4 vorgesehen, wobei der Puffer 12.5 in die Mündung 12.3 reicht. Der Aktuator 9.3 ist am Gehäuse 9.1 und an einer Führung 9.6 des Kabinenträgers 2 geführt und wird entgegen der Federkraft der Druckfeder 9.2 mittels des zweiten Bowdenzuges 11 zurückgehalten. Fig. 5 shows the fixing device 9 with the actuator 9.3 in the rest position, with the elevator car seen in the upward direction with its actuator 3.3 in front of the stop 8 or with its actuator 9.3 in front of the stop 12. For monitoring the actuator position, the actuator 9.3 has a first notch 9.4 and a second notch 9.5, according to FIGS. 7 and 8 serve to actuate the sensors 13,14. The stop 12 consists of a arranged on the guide rail plate 12.1, which has a channel 12.2. At the lower end of the channel 12.2, a buffer 12.5 and a mouth 12.3 is provided with a recess 12.4, wherein the buffer 12.5 extends into the mouth 12.3. The actuator 9.3 is guided on the housing 9.1 and on a guide 9.6 of the car carrier 2 and is held against the spring force of the compression spring 9.2 by means of the second Bowden cable 11.

Der Anschlag 8 besteht aus einer an der Führungsschiene angeordneten Platte 8.1, die einen Kanal 8.2 aufweist. Am unteren Ende des Kanals 8.2 ist ein Puffer und eine Mündung 8.3 mit einer Ausnehmung vorgesehen, wobei der Puffer in die Mündung 8.3 reicht. Der Aktuator 3.3 ist am Gehäuse 3.1 und an einer Führung des Kabinenträgers 2 geführt und wird entgegen der Federkraft der Druckfeder 3.2 mittels des ersten Bowdenzuges 10 zurückgehalten.The stop 8 consists of a arranged on the guide rail plate 8.1, which has a channel 8.2. At the lower end of the channel 8.2, a buffer and a mouth 8.3 is provided with a recess, wherein the buffer reaches into the mouth 8.3. The actuator 3.3 is guided on the housing 3.1 and on a guide of the car carrier 2 and is retained against the spring force of the compression spring 3.2 by means of the first Bowden cable 10.

Fig. 6 zeigt die Festsetzeinrichtung 9 mit dem Aktuator 9.3 in Arbeitsstellung, wobei sich die Aufzugskabine in Aufwärtsrichtung gesehen mit seinem Aktuator 3.3 vor dem Anschlag 8 bzw. mit seinem Aktuator 9.3 vor dem Anschlag 12 befindet. Die Federkraft der sich am Gehäuse 9.1 und am Aktuator 9.3 abstützenden Druckfeder 9.2 wird wirksam, sobald die Auslösemechanik 16 mittels Auslöseknopf 16.6 betätigt wird. Die Federkraft bewegt dabei den Aktuator 9.3 in die Mündung 12.3. Bewegt sich die Aufzugskabine weiter nach oben, trifft der Aktuator 9.3 auf den Puffer 12.5, wobei der Puffer 12.5 einfedert und die entstehenden Kräfte aufnimmt. Die U-förmige Ausnehmung 12.4 passt auf eine dritte Kerbe 9.7 des Aktuators 9.3, der sich entlang der Ausnehmung 12.4 bewegen kann. Fig. 6 shows the fixing device 9 with the actuator 9.3 in working position, with the elevator car seen in the upward direction with its actuator 3.3 in front of the stop 8 and with its actuator 9.3 in front of the stop 12. The spring force of the compression spring 9.2 supported on the housing 9.1 and on the actuator 9.3 becomes effective as soon as the triggering mechanism 16 is actuated by means of the release button 16.6. The spring force moves the actuator 9.3 in the mouth 12.3. If the elevator car continues to move upwards, the actuator 9.3 hits the buffer 12.5, whereby the buffer 12.5 springs in and absorbs the resulting forces. The U-shaped recess 12.4 fits on a third notch 9.7 of the actuator 9.3, which can move along the recess 12.4.

Die Federkraft der sich am Gehäuse 3.1 und am Aktuator 3.3 abstützenden Druckfeder 3.2 wird wirksam, sobald die Auslösemechanik 16 mittels Auslöseknopf 16.6 betätigt wird. Die Federkraft bewegt dabei den Aktuator 3.3 in die Mündung 12.3. Bewegt sich die Aufzugskabine weiter nach oben, trifft der Aktuator 3.3 auf den Puffer, wobei der Puffer einfedert und die entstehenden Kräfte aufnimmt. Die U-förmige Ausnehmung passt auf eine dritte Kerbe des Aktuators 3.3, der sich entlang der Ausnehmung bewegen kann.The spring force of the housing 3.1 and the actuator 3.3 supporting compression spring 3.2 is effective as soon as the release mechanism 16 is actuated by means of the release button 16.6. The spring force moves the actuator 3.3 in the mouth 12.3. If the elevator car continues to move upwards, the actuator 3.3 hits the buffer, whereby the buffer springs in and absorbs the resulting forces. The U-shaped recess fits on a third notch of the actuator 3.3, which can move along the recess.

Fig. 7 zeigt der Aktuator 9.3 in Ruhestellung mit dem ersten Sensor 13 und dem zweiten Sensor 14 zur Überwachung der Aktuatorstellung. Als Sensoren 13,14 sind beispielsweise Grenzwertaster vorgesehen. Berührungslos arbeitende Sensoren sind auch möglich. Der erste Sensor 13 ist in der Ruhestellung des Aktuators 9.3 aktiviert, der zweite Sensor 14 detektiert in der Ruhestellung des Aktuators 9.3 die zweite Kerbe 9.5 und ist dabei nicht aktiviert. Die Aufzugssteuerung verarbeitet die Signale der Sensoren 13,14 und gibt als Sollgeschwindigkeit der Aufzugskabine die Geschwindigkeit für den normalen Fahrbetrieb frei. Fig. 7 shows the actuator 9.3 in the rest position with the first sensor 13 and the second sensor 14 for monitoring the actuator position. As sensors 13,14 limit switches are provided, for example. Non-contact sensors are also possible. The first sensor 13 is activated in the rest position of the actuator 9.3, the second sensor 14 detects in the rest position of the actuator 9.3, the second notch 9.5 and is not activated. The elevator control processes the signals from the sensors 13, 14 and releases the speed for the normal driving operation as the setpoint speed of the elevator car.

Fig. 8 zeigt der Aktuator 9.3 in Arbeitsstellung mit dem ersten Sensor 13 und dem zweiten Sensor 14 zur Überwachung der Aktuatorstellung. Der Aktuator 9.3 ist gegenüber der Ruhestellung um die Strecke s, beispielsweise 50 mm bewegt worden. Als Sensoren 13,14 sind beispielsweise Grenzwertaster vorgesehen. Berührungslos arbeitende Sensoren sind auch möglich. Der erste Sensor 13 ist in der Arbeitsstellung des Aktuators 9.3 mittels der ersten Kerbe 9.4 deaktiviert. Der zweite Sensor 14 ist in der Arbeitsstellung des Aktuators 9.3 aktiviert. Die Aufzugssteuerung verarbeitet die Signale der Sensoren 13,14 und gibt als Sollgeschwindigkeit der Aufzugskabine die Geschwindigkeit für Revisionsbetrieb frei. Fig. 8 shows the actuator 9.3 in working position with the first sensor 13 and the second sensor 14 for monitoring the actuator position. The actuator 9.3 has been moved relative to the rest position by the distance s, for example 50 mm. As sensors 13,14 limit switches are provided, for example. Non-contact sensors are also possible. The first sensor 13 is deactivated in the working position of the actuator 9.3 by means of the first notch 9.4. The second sensor 14 is activated in the working position of the actuator 9.3. The elevator control processes the signals from the sensors 13, 14 and releases the speed for the revision mode as the setpoint speed of the elevator car.

Die Rückstellung des Aktuators 9.3 in die Ruhestellung erfolgt durch Betätigung des Rückstellhebels 16.3 in die Ausgangslage, wobei die Saite 10.2 des ersten Bowdenzuges 10 und die Saite des zweiten Bowdenzuges 11 den Aktuator 3.3 aus der Mündung bzw. den Aktuator 9.3 aus der Mündung 12.3 bewegt.The provision of the actuator 9.3 in the rest position by pressing the reset lever 16.3 in the starting position, the string 10.2 of the first Bowden cable 10 and the string of the second Bowden cable 11 moves the actuator 3.3 from the mouth or the actuator 9.3 from the mouth 12.3.

Falls der Aktuator 9.3 in einer unerlaubten Zwischenstellung stecken bleibt, sind beide Sensoren 13,14 aktiviert. Die Aufzugssteuerung verarbeitet die Signale der Sensoren 13,14 und blockiert den Betrieb der Aufzugskabine vollständig.If the actuator 9.3 gets stuck in an unauthorized intermediate position, both sensors 13,14 are activated. The elevator control processes the signals from the sensors 13, 14 and completely blocks the operation of the elevator car.

Der üblicherweise auf dem Dach der Aufzugskabine angeordnete Umschalter für Revisionsbetrieb entfällt bei der erfindungsgemässen Einrichtung. Mit der Betätigung der Aktuatoren 3.3,9.3 schaltet die Aufzugssteuerung aufgrund der Signale der Sensoren 13,14 selbsttätig auf Revisionsbetrieb bzw. selbsttätig auf normalen Fahrbetrieb.The usually arranged on the roof of the elevator car switch for revision operation is omitted in the inventive device. With the actuation of the actuators 3.3,9.3 the elevator control automatically switches to revision mode or automatically to normal driving mode on the basis of the signals from the sensors 13,14.

Claims (8)

  1. A safety device for blocking an elevator car, wherein the elevator car is prevented from unpermitted movements and the travel path of the elevator car is limited by means of a blocking device (3, 9) provided for each guide rail of the elevator car, wherein the first blocking device (3) interacts with the other blocking device (9), wherein the first blocking device (3) activates the other blocking device (9),
    characterised in that
    each blocking device (3, 9) comprises an actuator (3.3, 9.3) and a housing (3.1, 9.1), wherein the actuator comprises bolts, which are guided in the longitudinal slots of the housing, and
    notches (9.4, 9.5) are arranged on the actuator (9.3) of the other blocking device (9), which notches can be detected by means of the sensors (13, 14), wherein different positions of the actuator (9.3) can be detected by means of the sensors (13, 14).
  2. The safety device according to claim 1,
    characterised in that
    a first Bowden cable (10) actuates the first blocking device (3) and the first blocking device (3) actuates the other blocking device (9) by means of a second Bowden cable (11).
  3. The safety device according to any one of claims 1 or 2,
    characterised in that
    the first blocking device (3) can be monitored by means of the other blocking device (9).
  4. The safety device according to any one of the preceding claims,
    characterised in that
    the blocking device (3, 9) comprises an actuator (3.3, 9.3) which can be actuated by means of Bowden cable (10, 11) against a spring force of a compression spring (3.2, 9.2).
  5. The safety device according to claim 4,
    characterised in that
    the actuator (3.3, 9.3) limits the travel path of the elevator car at a stop (8, 12).
  6. The safety device according to claim 5,
    characterised in that
    the stop (8, 12) comprises a plate (12.1) arranged on the guide rail, on which plate a channel (8.2, 12.2) with a mouth (12.3) is provided.
  7. The safety device according to claim 6,
    characterised in that
    a buffer (12.5) is arranged in the channel (8.2, 12.2), which buffer extends into the mouth (12.3) and the actuator (3.3, 9.3) fits into a recess (12.4) of the mouth (12.3).
  8. The safety device according to any one of the preceding claims,
    characterised in that,
    when the actuator (9.3) is actuated, the elevator control automatically switches to inspection mode or automatically switches to normal travel mode as a result of the signals of the sensors (13, 14).
EP05103708.3A 2004-05-10 2005-05-03 Safety device to block the elevator car in it's movement Active EP1602615B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05103708.3A EP1602615B1 (en) 2004-05-10 2005-05-03 Safety device to block the elevator car in it's movement

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04405295 2004-05-10
EP04405295 2004-05-10
EP05103708.3A EP1602615B1 (en) 2004-05-10 2005-05-03 Safety device to block the elevator car in it's movement

Publications (2)

Publication Number Publication Date
EP1602615A1 EP1602615A1 (en) 2005-12-07
EP1602615B1 true EP1602615B1 (en) 2018-03-21

Family

ID=35456036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05103708.3A Active EP1602615B1 (en) 2004-05-10 2005-05-03 Safety device to block the elevator car in it's movement

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EP (1) EP1602615B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1029974C2 (en) * 2005-09-16 2007-03-19 Vulka C V Security fence for placement on the lift car of an elevator.
FI120906B (en) 2007-12-21 2010-04-30 Kone Corp Elevator
DE102010010007B4 (en) * 2010-03-02 2018-05-03 Janzhoff Aufzüge GmbH Safety device for lifts
EP3012217B8 (en) 2014-10-21 2017-08-02 KONE Corporation Safety system for elevator
CN105645208B (en) * 2014-11-11 2018-11-23 上海爱登堡电梯集团股份有限公司 Home elevator mechanical stopping device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1068105A (en) * 1913-03-29 1913-07-22 Edward C Jorgenson Elevator-brake.
US2497245A (en) * 1949-04-13 1950-02-14 Ered E Vance Safety lock for grain elevator man lifts
DE2460337C3 (en) * 1974-12-20 1980-02-14 Daimler-Benz Ag, 7000 Stuttgart Elevator with a hydraulically raised and lowered car
US5773771A (en) * 1996-07-30 1998-06-30 Chatham; Charles Apparatus for preventing unintended movement of elevator car

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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