EP1953108B1 - Lift and method for surveillance of this lift - Google Patents
Lift and method for surveillance of this lift Download PDFInfo
- Publication number
- EP1953108B1 EP1953108B1 EP08100780A EP08100780A EP1953108B1 EP 1953108 B1 EP1953108 B1 EP 1953108B1 EP 08100780 A EP08100780 A EP 08100780A EP 08100780 A EP08100780 A EP 08100780A EP 1953108 B1 EP1953108 B1 EP 1953108B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive unit
- lift
- counterweight
- supporting means
- unit
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 4
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000012806 monitoring device Methods 0.000 description 9
- 239000000725 suspension Substances 0.000 description 9
- 239000000872 buffer Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Images
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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
- B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
-
- 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
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
- B66B19/007—Mining-hoist operation method for modernisation of elevators
Definitions
- the invention relates to an elevator and a method for monitoring the elevator with a lift cage movable in an elevator car and a counterweight movable in the elevator shaft, wherein support means connect and carry the elevator car and the counterweight and a drive unit drives the support means.
- JP-A-10279233 discloses an elevator according to the preamble of claim 1.
- the invention solves the problem to provide an elevator and a method for monitoring this elevator, which prevents unauthorized lifting of the elevator car or the counterweight.
- the advantages achieved by the invention are essentially to be seen in that particular Modernizations of elevator systems are simplified.
- the drive unit is easily interchangeable and also a safety device for monitoring the support means can be mitein originate to slack or unauthorized lifting of the elevator car or the counterweight.
- the counterweight-side suspension element becomes loose or flaccid.
- the traction of the suspension element on the traction sheave can nevertheless be sufficient for the drive unit to be able to lift the empty or only slightly loaded elevator cage.
- European Standard EN 81-1, paragraph 9.3 (c) it shall not be possible to lift the empty elevator car when the counterweight rests on the buffers. Lifting the elevator car could create dangerous situations where traction is no longer sufficient and the elevator car would fall back or crash. In the reverse direction lifting the counterweight is also not desirable.
- the risk of lifting the elevator car or the counterweight exists in particular when serving as a support means belt or synthetic ropes with non-slip treads.
- inventive monitoring of the support means for slackness no dangerous conditions can arise in extreme situations.
- the drive unit is raised.
- the vertical movement of the drive unit is monitored electrically or electronically.
- the drive motor is switched off. Further advantageous in that the monitoring device according to the invention can be used independently of the type of drive unit.
- this elevator with a movable in an elevator shaft elevator car and a counterweight movable in the elevator shaft connect and carry suspension means the elevator car and the counterweight, wherein a drive unit drives the suspension means and on the drive unit at least one acting as a force storage spring element is provided, the drive unit at a Relieving relief of the suspension element lifts and at least one sensor is provided which detects the increase in the drive unit and shuts off the motor of the drive unit.
- Fig. 1 shows an elevator 1 with a movable in an elevator shaft 2 elevator car 3.
- the elevator shaft 2 is limited by shaft walls 4, a pit 5 and a shaft ceiling 6.
- support means 7 carry and connect the elevator car 3 with a movable in the elevator shaft 2 counterweight 8.
- Not shown are guide rails for the elevator car 3 and the counterweight 8 and floors with inputs / outputs.
- a drive unit 9 supported in a machine room 13 acting as a force accumulator spring elements 9 drives the elevator car 3 and the counterweight 8, wherein the spring elements 22 rest on a building body 27.
- the drive unit 9 can also be arranged on the spring elements 22 bearing pedestals of the building 27.
- the drive unit 9 consists of a motor unit 14 and a deflection unit 17, wherein the two units 14,17 are connected by means of spacers 23.
- At least one steel cord or at least one synthetic fiber rope or at least one flat belt or at least one toothed belt or at least one longitudinal ribbed belt or at least one V-ribbed belt can be provided.
- the support means 7 is fastened at one end to a first support means fixed point 10, then passed over a first guide roller 11 of the elevator car 3, then passed over a traction sheave 12 of the motor unit 14, then passed over a deflection roller 15 of the motor unit 14, then via a second guide roller 16 of Deflection unit 17, then guided over a third deflection roller 18 of the counterweight 8 and the other end fastened to a second support means fixed point 19.
- the support means guide shown has a 2: 1 ratio, in which the elevator car 3 and the counterweight 8 vertically moves half a meter when the traction sheave 12 one meter support means 7 is moved. Other ratios, such as 1: 1 are also possible.
- a first buffer 20 for the elevator car 3 and a second buffer 21 for the counterweight 8 is provided in the shaft pit 5.
- Fig. 2 shows an arrangement variant of the drive unit 9.
- the drive unit 9 is suspended from the shaft ceiling 6, wherein support bolts 24 are supported by means of nuts 25 to spring elements 22.
- the spring elements 22 in turn are supported on plates 26, which rest on the structure 27.
- Fig. 3 shows the drive unit 9 with the inventive monitoring device 28 for monitoring the unauthorized lifting of the elevator car 3.
- the motor unit 14 of the drive unit 9 consists of a motor 30 which drives by means of Riemenvorgelege 31 consisting of Pulley 32 and belt 33, the traction sheave 12.
- the monitoring device 28 consists of at least one spring element 22 acting as a force accumulator and at least one sensor 29, which detects a change in distance or the raising of the drive unit 9.
- Fig. 4 shows a variant of the deflection unit 17 with the inventive monitoring device 28.
- the second guide roller 16 is surrounded by a housing 34 and is supported by this.
- a bracket 35 and the housing 34 at least two compression springs 36 acting as spring elements 22 and acting as energy storage are provided.
- two belts are provided, which carry the counterweight 8.
- Compression springs 36 more or less. In normal operation, the compression springs 36 are the most compressed, or the distance A between the housing 34 and console 35 is the smallest. If the carrier load is less, the compression springs 36 spring out or the distance A increases or the deflection unit 17 is raised.
- the maximum deflection or the minimum distance A is limited by means of adjustable stops 37.
- the stop 37 may for example consist of a threaded bolt which is screwed into a thread arranged on the housing 34 and secured by a locknut.
- the change in the distance A can be monitored by means of the sensor 29 arranged on the side of the housing 34.
- an electromechanical limit switch is provided, which is set to the maximum deflection of the compression springs 36 and changes its switching state at a rebound, for example, 8 mm.
- the switching contact is connected in the safety circuit of the elevator.
- the motor 30 of the drive unit 9 is switched off via safety circuit.
- an inductive proximity switch can be provided, which is set to the maximum deflection of the compression springs 36 and changes its switching state at a rebound and interrupts the safety circuit and the motor 30 of the drive unit 9 turns off.
- the compression springs 36 between the housing 34 and console 35 are arranged.
- at least one compression spring 36 can be arranged on each side of the housing 34, wherein the compression spring 36 is supported at one end on a boom 34 arranged on the housing 34 and at the other end on the bracket 35.
- the change in the distance A can be monitored by means of the sensor 29 arranged on the side of the housing 34.
- a monitoring device 28 may be provided in the motor unit 14, which detects a resting of the elevator car 3.
- a suspended drive unit 9 as shown in FIG Fig. 2 can also be provided a monitoring device 28, for example, detects the movement of the support pin 24 relative to the plate 26, wherein the spring element 22 is formed as a compression spring.
- the monitoring device 28 according to the invention can be used for any type of drive unit.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Elevator Control (AREA)
- Jib Cranes (AREA)
Description
Die Erfindung betrifft einen Aufzug und ein Verfahren zur Überwachung des Aufzuges mit einer in einem Aufzugsschacht verfahrbaren Aufzugskabine und einem im Aufzugsschacht verfahrbaren Gegengewicht, wobei Tragmittel die Aufzugskabine und das Gegengewicht verbinden und tragen und eine Antriebseinheit die Tragmittel antreibt.The invention relates to an elevator and a method for monitoring the elevator with a lift cage movable in an elevator car and a counterweight movable in the elevator shaft, wherein support means connect and carry the elevator car and the counterweight and a drive unit drives the support means.
Aus der Schrift
Die Erfindung, wie sie in den unabhängigen Ansprüchen gekennzeichnet ist, löst die Aufgabe, einen Aufzug und ein Verfahren zur Überwachung dieses Aufzuges zu schaffen, der bzw. das unerlaubtes Anheben der Aufzugskabine bzw. des Gegengewichtes verhindert.The invention, as characterized in the independent claims, solves the problem to provide an elevator and a method for monitoring this elevator, which prevents unauthorized lifting of the elevator car or the counterweight.
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 insbesondere Modernisierungen von Aufzugsanlagen vereinfacht werden. Die Antriebseinheit ist leicht austauschbar und zudem kann eine Sicherheitseinrichtung zur Überwachung des Tragmittels auf Schlaffheit bzw. unerlaubtes Anheben der Aufzugskabine bzw. des Gegengewichts miteingebaut werden.The advantages achieved by the invention are essentially to be seen in that particular Modernizations of elevator systems are simplified. The drive unit is easily interchangeable and also a safety device for monitoring the support means can be miteingebaut to slack or unauthorized lifting of the elevator car or the counterweight.
Falls das Gegengewicht im Schacht stecken bleibt oder auf den in der Schachtgrube angeordneten Puffer auffährt, wird das gegengewichtsseitige Tragmittel lose bzw. schlaff. Die Traktion des Tragmittels auf der Treibscheibe kann aber trotzdem ausreichend sein, damit die Antriebseinheit die leere oder nur leicht beladene Aufzugskabine anheben kann. Nach der Europäischen Norm EN 81-1 Absatz 9.3 c) darf es nicht möglich sein, die leere Aufzugskabine anzuheben, wenn das Gegengewicht auf den Puffern ruht. Durch Anheben der Aufzugskabine könnten gefährliche Situationen entstehen, bei denen die Traktion nicht mehr ausreicht und die Aufzugskabine zurückfallen bzw. abstürzen würde. In der umgekehrten Laufrichtung ist ein Anheben des Gegengewichtes auch nicht erwünscht.If the counterweight gets stuck in the shaft or ascends onto the buffer arranged in the shaft pit, the counterweight-side suspension element becomes loose or flaccid. The traction of the suspension element on the traction sheave can nevertheless be sufficient for the drive unit to be able to lift the empty or only slightly loaded elevator cage. According to European Standard EN 81-1, paragraph 9.3 (c), it shall not be possible to lift the empty elevator car when the counterweight rests on the buffers. Lifting the elevator car could create dangerous situations where traction is no longer sufficient and the elevator car would fall back or crash. In the reverse direction lifting the counterweight is also not desirable.
Die Gefahr des Anhebens der Aufzugskabine bzw. des Gegengewichtes besteht insbesondere bei als Tragmittel dienenden Riemen oder Kunstfaserseilen mit griffigen Laufflächen. Mit der erfindungsgemässen Überwachung des Tragmittels auf Schlaffheit können in Extremsituationen keine gefährlichen Zustände entstehen. Sobald die durch die Aufzugskabine und Gegengewicht erzeugte vertikale Last an der Antriebseinheit nachlässt, wird die Antriebseinheit angehoben. Die vertikale Bewegung der Antriebseinheit wird elektrisch bzw. elektronisch überwacht. Sobald die Antriebseinheit durch Lastminderung angehoben wird, erfolgt eine Abschaltung des Antriebsmotors. Weiter vorteilhaft ist, dass die erfindungsgemässe Überwachungseinrichtung unabhängig von der Art der Antriebseinheit verwendbar ist.The risk of lifting the elevator car or the counterweight exists in particular when serving as a support means belt or synthetic ropes with non-slip treads. With the inventive monitoring of the support means for slackness no dangerous conditions can arise in extreme situations. As soon as the vertical load generated by the elevator car and counterweight on the drive unit decreases, the drive unit is raised. The vertical movement of the drive unit is monitored electrically or electronically. As soon as the drive unit is raised by reducing the load, the drive motor is switched off. Further advantageous in that the monitoring device according to the invention can be used independently of the type of drive unit.
Bei diesem Aufzug mit einer in einem Aufzugsschacht verfahrbaren Aufzugskabine und einem im Aufzugsschacht verfahrbaren Gegengewicht verbinden und tragen Tragmittel die Aufzugskabine und das Gegengewicht, wobei eine Antriebseinheit die Tragmittel antreibt und an der Antriebseinheit mindestens ein als Kraftspeicher wirkendes Federelement vorgesehen ist, das die Antriebseinheit bei einer Entlastung des Tragmittels anhebt und mindestens ein Sensor vorgesehen ist, der die Anhebung der Antriebseinheit feststellt und den Motor der Antriebseinheit abschaltet.In this elevator with a movable in an elevator shaft elevator car and a counterweight movable in the elevator shaft connect and carry suspension means the elevator car and the counterweight, wherein a drive unit drives the suspension means and on the drive unit at least one acting as a force storage spring element is provided, the drive unit at a Relieving relief of the suspension element lifts and at least one sensor is provided which detects the increase in the drive unit and shuts off the motor of the drive unit.
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
einen Aufzug mit Aufzugskabine, Gegengewicht und Antriebseinheit, -
Fig. 2
eine aufgehängte Antriebseinheit, -
Fig. 3
eine Antriebseinheit mit der erfindungsgemässen Überwachungseinrichtung und -
Fig. 4
eine Ausführungsvariante einer Umlenkeinheit mit der erfindungsgemässen Überwachungseinrichtung.
-
Fig. 1
an elevator with elevator car, counterweight and drive unit, -
Fig. 2
a suspended drive unit, -
Fig. 3
a drive unit with the inventive monitoring device and -
Fig. 4
a variant of a deflection unit with the inventive monitoring device.
Als Tragmittel 7 kann mindestens ein Stahlseil oder mindestens ein Kunstfaserseil oder mindestens ein Flachriemen oder mindestens ein Zahnriemen oder mindestens ein Längsrippenriemen oder mindestens ein Keilrippenriemen vorgesehen sein. Das Tragmittel 7 ist einenends an einem ersten Tragmittelfixpunkt 10 festgemacht, dann über eine erste Umlenkrolle 11 der Aufzugskabine 3 geführt, dann über eine Treibscheibe 12 der Motoreinheit 14 geführt, dann über eine Ablenkrolle 15 der Motoreinheit 14 geführt, dann über eine zweite Umlenkrolle 16 der Umlenkeinheit 17, dann über eine dritte Umlenkrolle 18 des Gegengewichtes 8 geführt und anderenends an einem zweiten Tragmittelfixpunkt 19 festgemacht. Die gezeigte Tragmittelführung hat eine 2:1 Übersetzung, bei der sich die Aufzugskabine 3 bzw. das Gegengewicht 8 vertikal einen halben Meter bewegt, wenn an der Treibscheibe 12 ein Meter Tragmittel 7 bewegt wird. Andere Übersetzungsverhältnisse wie beispielsweise 1:1 sind auch möglich. In der Schachtgrube 5 ist ein erster Puffer 20 für die Aufzugskabine 3 und ein zweiter Puffer 21 für das Gegengewicht 8 vorgesehen.As support means 7, at least one steel cord or at least one synthetic fiber rope or at least one flat belt or at least one toothed belt or at least one longitudinal ribbed belt or at least one V-ribbed belt can be provided. The support means 7 is fastened at one end to a first support means fixed
Die Veränderung des Abstandes A ist mittels des an der Seite des Gehäuses 34 angeordneten Sensors 29 überwachbar. Beispielsweise kann ein elektromechanischer Grenztaster vorgesehen, der auf die maximale Einfederung der Druckfedern 36 eingestellt ist und der bei einer Ausfederung bei beispielsweise 8 mm seinen Schaltzustand ändert. Üblicherweise ist der Schaltkontakt in den Sicherheitskreis des Aufzuges geschaltet. Wenn die Druckfedern 36 ausfedern bzw. das Gehäuse 34 angehoben wird, wird der Motor 30 der Antriebseinheit 9 via Sicherheitskreis abgeschaltet. Als Sensor kann beispielsweise auch ein induktiver Näherungsschalter vorgesehen sein, der auf die maximale Einfederung der Druckfedern 36 eingestellt ist und der bei einer Ausfederung seinen Schaltzustand ändert und den Sicherheitskreis unterbricht und den Motor 30 der Antriebseinheit 9 abschaltet.The change in the distance A can be monitored by means of the
Bei der Ausführungsvariante gemäss
Wie in
Im gezeigten Ausführungsbeispiel der Antriebseinheit 9 mit einer Motoreinheit 14 und einer Umlenkeinheit 17 berechnet sich die totale Druckkraft TSF für beide Druckfedern 36 der Umlenkeinheit 17 wie folgt:
wobei
WDP = Gewicht der Antriebseinheit 9 auf der Seite der Umlenkeinheit 17, beispielsweise 40-100 kg
WTM = Gewicht des Tragmittels 7 pro m, beispielsweise 200-600 g
NTM = Anzahl Tragmittel 7, beispielsweise 2-12
LTM = Maximale Länge des Tragmittels 7, beispielsweise 60 m g = 9,81 m/s2In the illustrated embodiment of the
in which
WDP = weight of the
WTM = weight of the
NTM = number of
LTM = maximum length of the
Wenn das Gegengewicht 8 am Puffer 21 aufliegt wird TFS = 1000 N bei
WDP = 42 kg
WTM = 0,25 kg
NTM = 4
LTM = 60 mWhen the
WDP = 42 kg
WTM = 0.25 kg
NTM = 4
LTM = 60 m
Claims (6)
- Lift having a lift car (3) which can move in a lift shaft (2), and having a counterweight (8) which can move in the lift shaft, wherein supporting means (7) connect and support the lift car (3) and the counterweight (8), and a drive unit (9) drives the supporting means (7), wherein at least one spring element (22), which acts as a force storage means, is provided on the drive unit (9) and raises the drive unit (9) when the supporting means (7) is relieved of load, characterized in that at least one sensor (29) is provided, which sensor detects raising of the drive unit (9) and switches off the motor (30) of the drive unit (9).
- Lift according to Claim 1, characterized in that the spring element (22) is a compression spring which raises the drive unit (9).
- Lift according to Claim 1, characterized in that the sensor (29) is a limit switch which monitors the raising of the drive unit (9) and switches off the motor (30) of the drive unit (9) by means of the safety circuit of the lift.
- Lift according to one of the preceding claims, characterized in that the spring element (22) and the sensor (29) are arranged on a motor unit (14) of the drive unit (9) and/or on a deflection unit (17) of the drive unit (9).
- Lift according to Claim 4, characterized in that, in the deflection unit (17), the total pressure force (TFS) of all the compression springs (36) is (WDP+(NTM·WTM·LTM))·g, where
WDP = weight of the drive unit (9) on the side of the deflection unit (17),
WTM = weight of the supporting means (7) per m,
NTM = number of supporting means (7),
LTM = maximum length of the supporting means (7), and g= 9.81 /s2. - Method for monitoring a lift having a lift car (3) which can move in a lift shaft (2), and having a counterweight (8) which can move in the lift shaft, wherein supporting means (7) connect and support the lift car (3) and the counterweight (8), and a drive unit (9) drives the supporting means (7), characterized in that raising of the drive unit (9), which is caused by a reduction in load, is monitored and the motor (30) of the drive unit (9) is switched off when said drive unit is raised.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08100780A EP1953108B1 (en) | 2007-02-02 | 2008-01-22 | Lift and method for surveillance of this lift |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07101660 | 2007-02-02 | ||
EP08100780A EP1953108B1 (en) | 2007-02-02 | 2008-01-22 | Lift and method for surveillance of this lift |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1953108A1 EP1953108A1 (en) | 2008-08-06 |
EP1953108B1 true EP1953108B1 (en) | 2013-04-03 |
Family
ID=38236466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08100780A Active EP1953108B1 (en) | 2007-02-02 | 2008-01-22 | Lift and method for surveillance of this lift |
Country Status (15)
Country | Link |
---|---|
US (1) | US7926622B2 (en) |
EP (1) | EP1953108B1 (en) |
JP (1) | JP2008189472A (en) |
KR (1) | KR20080072553A (en) |
CN (1) | CN101234719B (en) |
AR (1) | AR065167A1 (en) |
AU (1) | AU2008200495B2 (en) |
BR (1) | BRPI0800200B1 (en) |
CA (1) | CA2619238C (en) |
ES (1) | ES2415373T3 (en) |
HK (1) | HK1123268A1 (en) |
MX (1) | MX2008001092A (en) |
RU (1) | RU2448892C2 (en) |
TW (1) | TWI394705B (en) |
ZA (1) | ZA200800357B (en) |
Cited By (2)
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EP3121140A1 (en) | 2015-07-23 | 2017-01-25 | Inventio AG | Monitoring device for detecting slack in an arrangement comprising a multiplicity of flexible suspension and traction media (stm) of an elevator |
EP3124421A1 (en) | 2015-07-28 | 2017-02-01 | Inventio AG | Load bearing element suspension device with asymmetrical rocking device for a lift system |
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WO2010121944A1 (en) | 2009-04-20 | 2010-10-28 | Inventio Ag | Operating state monitoring of support means of an elevator system |
EP2560909B1 (en) | 2010-04-19 | 2014-08-20 | Inventio AG | Operational state monitoring of load-bearing devices in a lift assembly |
WO2012004268A1 (en) | 2010-07-09 | 2012-01-12 | Inventio Ag | Monitoring of supporting means in an elevator system |
AU2011344433B2 (en) * | 2010-12-17 | 2017-03-23 | Inventio Ag | Lift installation comprising car and counterweight |
EP2574583A1 (en) | 2011-09-30 | 2013-04-03 | Inventio AG | Reducing over-traction in an elevator |
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US9120645B2 (en) * | 2011-11-16 | 2015-09-01 | Spacelift Products, Inc. | Control system for a platform lift apparatus |
CN102874668B (en) * | 2012-10-31 | 2014-12-10 | 蒂森克虏伯家用电梯(上海)有限公司 | Device for detecting breaking or loosing of steel wire rope of household elevator |
EP2958843B1 (en) | 2013-02-22 | 2017-08-02 | KONE Corporation | Method and arrangement for monitoring the safety of a counterweighted elevator |
WO2015072973A1 (en) | 2013-11-12 | 2015-05-21 | Otis Elevator Company | Detection of stuck elevator car or counterweight |
US9884748B2 (en) * | 2013-12-17 | 2018-02-06 | Inventio Ag | Elevator system |
CN107428505B (en) * | 2015-03-27 | 2020-02-18 | 奥的斯电梯公司 | Elevator system suspension member termination |
US11198588B2 (en) * | 2018-06-27 | 2021-12-14 | Tk Elevator Innovation And Operations Gmbh | Counterweight slack belt detection switch |
EP3705435B1 (en) * | 2019-03-05 | 2021-09-15 | KONE Corporation | A combined elevator vibration isolation and load measurement element |
CN114673505A (en) * | 2022-02-18 | 2022-06-28 | 江苏泰诺矿用设备有限公司 | Impact-proof shaft monitoring device |
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-
2008
- 2008-01-09 TW TW097100800A patent/TWI394705B/en not_active IP Right Cessation
- 2008-01-11 ZA ZA200800357A patent/ZA200800357B/en unknown
- 2008-01-22 ES ES08100780T patent/ES2415373T3/en active Active
- 2008-01-22 EP EP08100780A patent/EP1953108B1/en active Active
- 2008-01-24 MX MX2008001092A patent/MX2008001092A/en active IP Right Grant
- 2008-01-29 CN CN2008100087832A patent/CN101234719B/en active Active
- 2008-01-30 JP JP2008018628A patent/JP2008189472A/en active Pending
- 2008-01-31 CA CA2619238A patent/CA2619238C/en not_active Expired - Fee Related
- 2008-01-31 KR KR1020080009939A patent/KR20080072553A/en active Search and Examination
- 2008-01-31 BR BRPI0800200A patent/BRPI0800200B1/en not_active IP Right Cessation
- 2008-02-01 RU RU2008103891/11A patent/RU2448892C2/en active
- 2008-02-01 US US12/024,185 patent/US7926622B2/en not_active Expired - Fee Related
- 2008-02-01 AU AU2008200495A patent/AU2008200495B2/en not_active Ceased
- 2008-02-04 AR ARP080100462A patent/AR065167A1/en not_active Application Discontinuation
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2009
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3121140A1 (en) | 2015-07-23 | 2017-01-25 | Inventio AG | Monitoring device for detecting slack in an arrangement comprising a multiplicity of flexible suspension and traction media (stm) of an elevator |
EP3124421A1 (en) | 2015-07-28 | 2017-02-01 | Inventio AG | Load bearing element suspension device with asymmetrical rocking device for a lift system |
Also Published As
Publication number | Publication date |
---|---|
CN101234719B (en) | 2012-05-23 |
BRPI0800200B1 (en) | 2018-08-28 |
TWI394705B (en) | 2013-05-01 |
AU2008200495A1 (en) | 2008-08-21 |
ZA200800357B (en) | 2008-11-26 |
CA2619238A1 (en) | 2008-08-02 |
RU2008103891A (en) | 2009-08-10 |
US7926622B2 (en) | 2011-04-19 |
EP1953108A1 (en) | 2008-08-06 |
JP2008189472A (en) | 2008-08-21 |
AU2008200495B2 (en) | 2013-02-14 |
KR20080072553A (en) | 2008-08-06 |
TW200911673A (en) | 2009-03-16 |
HK1123268A1 (en) | 2009-06-12 |
RU2448892C2 (en) | 2012-04-27 |
CA2619238C (en) | 2014-09-02 |
BRPI0800200A2 (en) | 2009-06-02 |
ES2415373T3 (en) | 2013-07-25 |
MX2008001092A (en) | 2009-02-24 |
US20080185232A1 (en) | 2008-08-07 |
CN101234719A (en) | 2008-08-06 |
AR065167A1 (en) | 2009-05-20 |
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