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EP1592634A1 - Method for inspecting safety catches - Google Patents

Method for inspecting safety catches

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Publication number
EP1592634A1
EP1592634A1 EP04710776A EP04710776A EP1592634A1 EP 1592634 A1 EP1592634 A1 EP 1592634A1 EP 04710776 A EP04710776 A EP 04710776A EP 04710776 A EP04710776 A EP 04710776A EP 1592634 A1 EP1592634 A1 EP 1592634A1
Authority
EP
European Patent Office
Prior art keywords
car
force
catching
dyn
dynamic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04710776A
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German (de)
French (fr)
Other versions
EP1592634B1 (en
Inventor
Peter Pini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henning Testing Systems GmbH
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Henning GmbH
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Filing date
Publication date
Application filed by Henning GmbH filed Critical Henning GmbH
Publication of EP1592634A1 publication Critical patent/EP1592634A1/en
Application granted granted Critical
Publication of EP1592634B1 publication Critical patent/EP1592634B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
    • B66B5/0093—Testing of safety devices

Definitions

  • the invention relates to a method for checking safety devices on cable elevator systems which are provided for safely stopping a car of the elevator system in the event of disturbed operation, the acceleration of the car being measured and recorded during the safety braking process.
  • Elevator systems with a suspension cable are designed for maximum nominal load operation, at which the traction sheave and safety devices must at least fulfill their function.
  • DE 43 1 1 01 1 C2 describes a test method for safety brakes in which, instead of using weights with an additional force generator when the safety brake is engaged, the force required to ensure the safety brake is applied.
  • the force generator is arranged between the car or the supporting cables and a fixed point on the elevator shaft.
  • the measurement with an additional force generator is complex.
  • an acceleration measurement is carried out on the elevator car and possibly on the counterweight to check elevator systems.
  • the parameters of the elevator systems are calculated using a model. All parameters, such as rope mass and rotational masses, are disadvantageously required for this.
  • the calibration points for empty and full load with weights must be determined when starting up for the first time. Repeat tests can then be carried out without weights. With the complete calculation model, the catch can be determined when the car is empty and the critical case can be calculated with the car full.
  • WO 92/08665 and EP 390 972 B1 describe a test method in which it is assumed that during the maximum deceleration of the empty car, i. H. when the safety brake is applied and the brake is fully effective, the rope is de-energized, i.e. the counterweight jumps. The catching force is then determined from the maximum acceleration and extrapolated to full load. In fact, the jumping of the counterweight is not always achieved, which leads to incorrect measurements and misinterpretations.
  • Dr. Lutfi AI Sharif "The review of elevator safety devices without test weights / criticism and overview", discussed in Lift-Report, 28th year (2002), number 5, pages 16 to 23.
  • the object of the invention is therefore to create an improved method for checking safety devices that can be carried out easily and requires as few measurement parameters and elevator parameters as possible and does not allow any misinterpretation.
  • the object is achieved by the generic method according to the invention Actuating the safety gear during a measurement run with a defined mass m P of the car and measuring and recording the dynamic cable force T dyn , which acts on the at least one cable holding the car,
  • the method is based on the knowledge that essentially only the mass of the car, the acceleration of the car and the catching force of the safety brake have to be taken into account in free fall.
  • the rope mass as well as the rotating mass of the traction sheave and the mass of the counterweight no longer intervene, since only the subsystem of the car exists.
  • the catching force applied by the safety brakes of the safety gear is then preferably determined in the unladen car by measuring the acceleration a 2 of the car and the dynamic cable force T dyn acting on the car and the known mass m P of the car.
  • the catching force must be greater than the downward force of a car that is in free fall and loaded with a maximum payload or overload in order to stop it. Recommended limit values for braking accelerations must be observed.
  • the dynamic rope force and the acceleration are recorded simultaneously (synchronously) during the braking process, so that the simultaneous braking force can be calculated from this.
  • Figure 1 Sketch of an elevator system with car, counterweight and traction sheave and the forces acting essentially on the car.
  • FIG. 1 shows the sketch of an elevator installation 1 which essentially has a car 2 which is suspended from at least one rope 3.
  • the rope 3 is guided and driven over a traction sheave 4.
  • a counterweight 5 At the end of the cable 3 remote from the car 2 there is a counterweight 5 which balances at least the mass of the empty car 2 and is generally designed for half the permissible nominal load of the car 2.
  • At least one safety device 6 with safety brakes is installed on the car 2 or alternatively in the elevator shaft, which can brake a car 2 on the guide rails in the elevator shaft, particularly in free fall, for example when the suspension cable is torn off.
  • the safety gear 6 must at least exert the force exerted by a car 2, which is in free fall and loaded with a maximum payload, directed downwards.
  • a measurement run is preferably carried out with the car 2 unloaded, the acceleration a z of the car 2 over time and the dynamic rope (pull) force T dyn acting on the at least one rope 3 being measured.
  • the catching force F is sufficient if it is greater than the downward force P of the car 2 loaded with the maximum payload m Q or even overload (125% * m Q ) at gravitational acceleration g. Only then is the functionality of the safety device 6 guaranteed.
  • the dynamic rope force T dyn and acceleration a z are preferably used to calculate the catching force F, the peak values, ie the maximum or Minimum values of the measurement course used.
  • the maximum amount F max of the recorded course of the dynamic catching force F dyr ⁇ can also be evaluated.

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

A method for inspecting safety catches (6) on cable elevator installations (1), which are provided for catching an elevator car (2) of an elevator installation (1), comprises three steps: actuation of the catching device (6) during a measuring run with a defined mass (mp) of the elevator car (2) and measuring and recording the dynamic cable force (Tdyn), which acts upon the at least one cable (3) holding the elevator car (2), and measuring and recording the acceleration (az) of the elevator car (2) during the catch braking process; determining the dynamic catching force (Fdyn) of the catching device (6) according to formula Fdyn = (mp * aZ) - Tdyn; verifying whether the maximum amount (Fmax) of the dynamic catching force (Fdyn) is greater than the force (P) of the elevator car (2) loaded with a maximum payload (mQ), said force (P) being directed downwards when the at least one cable tears, at which gravitational acceleration (g) is (Fmax <P=(Mp + mQ) * g).

Description

Verfahren zur Überprüfung von FangvorrichtungenSafety gear inspection procedures
Die Erfindung betrifft ein Verfahren zur Überprüfung von Fangvorrichtungen an Seil-Aufzugsanlagen, die zum sicheren Anhalten eines Fahrkorbes des Aufzugsanlage bei gestörtem Betrieb vorgesehen sind, wobei die Beschleunigung des Fahrkorbes während des Fangbremsvorganges gemessen und aufgenommen wird.The invention relates to a method for checking safety devices on cable elevator systems which are provided for safely stopping a car of the elevator system in the event of disturbed operation, the acceleration of the car being measured and recorded during the safety braking process.
Aufzugsanlagen mit einen Tragseil sind für einen maximalen Nennlastbetrieb ausgelegt, bei der die Treibscheibe und Sicherheitseinrichtungen mindestens ihre Funktion erfüllen müssen.Elevator systems with a suspension cable are designed for maximum nominal load operation, at which the traction sheave and safety devices must at least fulfill their function.
Um für den Fall eines Motor-, Getriebe-, Wellen- oder Bremsenausfalls oder Abrisses des Tragseils eine unkontrollierte Bewegung des Fahrkorbes inIn order to prevent uncontrolled movement of the car in the event of a motor, transmission, shaft or brake failure or tearing of the suspension cable
Auf- oder Abwärtsrichtung je nach Beladung zu verhindern, sind Geschwindigkeitsregler mit Fangvorrichtungen in die Aufzugsanlagen eingebaut, die den unkontrolliert beschleunigten Fahrkorb in jedem Fall abbremsen sollen.To prevent upward or downward direction depending on the load, speed regulators with safety devices are built into the elevator systems, which should in any case brake the uncontrolled accelerated car.
Zur Prüfung sind in den Aufzugsrichtlinien dafür Fangversuche mit Überlast vorgeschlagen, die sehr aufwendig mit Zusatzgewichten durchgeführt werden.For testing purposes, the elevator guidelines suggest catching tests with overload, which are carried out very expensively with additional weights.
In der DE 43 1 1 01 1 C2 ist ein Prüfverfahren für Fangbremsen beschrie- ben, bei dem statt durch Gewichte mit einem zusätzlichen Krafterzeuger bei eingelegter Fangbremse die nötige Kraft aufgebracht wird, die die Fangbremse gewährleisten muss. Der Krafterzeuger ist zwischen Fahrkorb bzw. den Tragseilen und einem Festpunkt am Aufzugsschacht angeordnet. Die Messung mit einem zusätzlichen Krafterzeuger ist aufwändig. In der DE 42 17 587 C2 wird zur Überprüfung von Aufzugsanlagen eine Beschleunigungsmessung am Fahrkorb und gegebenenfalls am Gegengewicht vorgenommen. Die Kenngrößen der Aufzugsanlagen werden mit Hilfe eines Modells berechnet. Hierzu sind nachteilig sämtliche Parameter, wie beispielsweise Seilmasse und rotatorische Massen erforderlich. Dazu sind aber bei erstmaliger Inbetriebnahme die Kalibrierpunkte bei Leer- und bei Vollast mit Gewichten zu bestimmen. Wiederholungsprüfungen können dann ohne Gewichte durchgeführt werden. Mit dem vollständigen Rechen- modell kann der Fang bei leerem Fahrkorb bestimmt und der kritische Fall mit vollem Fahrkorb berechnet werden.DE 43 1 1 01 1 C2 describes a test method for safety brakes in which, instead of using weights with an additional force generator when the safety brake is engaged, the force required to ensure the safety brake is applied. The force generator is arranged between the car or the supporting cables and a fixed point on the elevator shaft. The measurement with an additional force generator is complex. In DE 42 17 587 C2, an acceleration measurement is carried out on the elevator car and possibly on the counterweight to check elevator systems. The parameters of the elevator systems are calculated using a model. All parameters, such as rope mass and rotational masses, are disadvantageously required for this. For this purpose, the calibration points for empty and full load with weights must be determined when starting up for the first time. Repeat tests can then be carried out without weights. With the complete calculation model, the catch can be determined when the car is empty and the critical case can be calculated with the car full.
In der WO 92/08665 und EP 390 972 B1 ist ein Prüfverfahren beschrieben, bei dem angenommen wird, dass während der maximalen Verzögerung des leeren Fahrkorbes, d. h. bei Einfallen und voller Wirksamkeit der Fangbremse, das Seil spannungslos wird, das Gegengewicht also springt. Die Fangkraft wird dann aus der maximalen Beschleunigung bestimmt und auf Vollast hochgerechnet. Tatsächlich wird das Springen des Gegengewichtes aber nicht immer erreicht, was zu Falschmessung und Fehlinterpretationen führt. Das Prüfverfahren wird auch in Dr. Lutfi AI Sharif: „Die Überprüfung von Aufzugsfangvorrichtungen ohne Prüfgewichte / Kritik und Überblick", in Lift-Report, 28. Jahrgang (2002), Heft 5, Seiten 16 bis 23 diskutiert.WO 92/08665 and EP 390 972 B1 describe a test method in which it is assumed that during the maximum deceleration of the empty car, i. H. when the safety brake is applied and the brake is fully effective, the rope is de-energized, i.e. the counterweight jumps. The catching force is then determined from the maximum acceleration and extrapolated to full load. In fact, the jumping of the counterweight is not always achieved, which leads to incorrect measurements and misinterpretations. The test procedure is also described in Dr. Lutfi AI Sharif: "The review of elevator safety devices without test weights / criticism and overview", discussed in Lift-Report, 28th year (2002), number 5, pages 16 to 23.
Aufgabe der Erfindung ist es daher, ein verbessertes Verfahren zur Überprü- fung von Fangvorrichtungen zu schaffen, das einfach durchgeführt werden kann und möglichst wenig Messparameter und Aufzugsparameter erfordert und keine Fehlinterpretation zulässt.The object of the invention is therefore to create an improved method for checking safety devices that can be carried out easily and requires as few measurement parameters and elevator parameters as possible and does not allow any misinterpretation.
Die Aufgabe wird mit dem gattungsgemäßen Verfahren erfindungsgemäß durch Betätigen der Fangvorrichtung während einer Messfahrt bei einer definierten Masse mP des Fahrkorbes und Messen und Aufnehmen der dynamischen Seilkraft Tdyn, die an dem mindestens einen den Fahr- korb haltenden Seil wirkt,The object is achieved by the generic method according to the invention Actuating the safety gear during a measurement run with a defined mass m P of the car and measuring and recording the dynamic cable force T dyn , which acts on the at least one cable holding the car,
Ermitteln der dynamischen Fangkraft Fdyn der Fangvorrichtung nach der FormelDetermine the dynamic catching force F dyn of the safety gear according to the formula
Fdyn = (mP * az) - Tdyn,F d y n = (m P * a z ) - T dyn ,
Überprüfen, ob der maximale Betrag Fmax der dynamischen Fangkraft Fdyn größer als die bei Abriss des mindestens einen Seiles abwärts gerichtete Kraft des mit maximaler Nutzlast mQ beladenen Fahrkorbes bei der Schwerebeschleunigung g ist:Check whether the maximum amount F max of the dynamic catching force F dyn is greater than the downward force of the car loaded with the maximum payload m Q when the gravity acceleration g is broken:
Das Verfahren beruht auf der Erkenntnis, dass im Wesentlichen nur noch die Masse des Fahrkorbes, die Beschleunigung des Fahrkorbes sowie die Fangkraft der Fangbremse im freien Fall zu berücksichtigen sind. Die Seilmasse sowie die rotatorische Masse der Treibscheibe und die Masse des Gegengewichts greifen nicht mehr ein, da nur das Teilsystem des Fahrkorbes existiert.The method is based on the knowledge that essentially only the mass of the car, the acceleration of the car and the catching force of the safety brake have to be taken into account in free fall. The rope mass as well as the rotating mass of the traction sheave and the mass of the counterweight no longer intervene, since only the subsystem of the car exists.
Die von den Fangbremsen der Fangvorrichtung aufgebrachte Fangkraft wird dann vorzugsweise bei unbeladenem Fahrkorb durch Messen der Beschleunigung a2 des Fahrkorbes und der auf den Fahrkorb wirkenden dynamischen Seilkraft Tdyn und der bekannten Masse mP des Fahrkorbes bestimmt. Die Fangkraft muss größer als die abwärts gerichtete Kraft eines sich im freien Fall befindlichen mit maximaler Nutzlast oder Überlast beladenen Fahrkorbes sein, um diesen anzuhalten. Dabei sind empfohlene Grenzwerte für Bremsbeschleunigungen einzuhalten.The catching force applied by the safety brakes of the safety gear is then preferably determined in the unladen car by measuring the acceleration a 2 of the car and the dynamic cable force T dyn acting on the car and the known mass m P of the car. The catching force must be greater than the downward force of a car that is in free fall and loaded with a maximum payload or overload in order to stop it. Recommended limit values for braking accelerations must be observed.
Die dynamische Seilkraft sowie die Beschleunigung wird zeitgleich (synchron) während des Bremsvorganges aufgenommen, so dass daraus die zeitgleiche Bremskraft berechnet werden kann. The dynamic rope force and the acceleration are recorded simultaneously (synchronously) during the braking process, so that the simultaneous braking force can be calculated from this.
Die Erfindung wird nachfolgend anhand der beigefügten Zeichnung näher erläutert. Es zeigt:The invention is explained in more detail below with reference to the accompanying drawing. It shows:
Figur 1 - Skizze einer Aufzugsanlage mit Fahrkorb, Gegengewicht und Treibscheibe sowie den an den Fahrkorb im Wesentlichen wirkenden Kräften.Figure 1 - Sketch of an elevator system with car, counterweight and traction sheave and the forces acting essentially on the car.
Die Figur 1 lässt die Skizze einer Aufzugsanlage 1 erkennen, die im We- sentiichen einen Fahrkorb 2 hat, der an mindestens einem Seil 3 aufgehängt ist. Das Seil 3 wird über eine Treibscheibe 4 geführt und angetrieben. An dem von dem Fahrkorb 2 entfernten Ende des Seils 3 befindet sich ein Gegengewicht 5, das mindestens die Masse des leeren Fahrkorbes 2 ausgleicht und in der Regel auf die halbe zulässige Nennlast des Fahrkorbes 2 ausgelegt ist.FIG. 1 shows the sketch of an elevator installation 1 which essentially has a car 2 which is suspended from at least one rope 3. The rope 3 is guided and driven over a traction sheave 4. At the end of the cable 3 remote from the car 2 there is a counterweight 5 which balances at least the mass of the empty car 2 and is generally designed for half the permissible nominal load of the car 2.
An dem Fahrkorb 2 oder alternativ in dem Aufzugsschacht ist mindestens eine Fangvorrichtung 6 mit Fangbremsen eingebaut, die einen insbesondere im freien Fall beispielsweise bei Abriss des Tragseils, befindlichen Fahrkorb 2 an den Führungsschienen im Aufzugschacht abbremsen kann.At least one safety device 6 with safety brakes is installed on the car 2 or alternatively in the elevator shaft, which can brake a car 2 on the guide rails in the elevator shaft, particularly in free fall, for example when the suspension cable is torn off.
Die Fangvorrichtung 6 muss mindestens die Kraft aufbringen, die ein im freien Fall befindlicher mit maximaler Nutzlast beladener Fahrkorb 2 nach unten gerichtet ausübt. Diese Kraft P berechnet sich aus der Masse mP des unbeladenen Fahrkorbes 2 und der maximal zulässigen Nennlast mQ sowie der Schwerebeschleunigung g = 9,81 m/sec2 nach der Formel:The safety gear 6 must at least exert the force exerted by a car 2, which is in free fall and loaded with a maximum payload, directed downwards. This force P is calculated from the mass m P of the unladen car 2 and the maximum permissible nominal load m Q and the gravitational acceleration g = 9.81 m / sec 2 according to the formula:
P = (mP + mQ) * g. Zur Überprüfung der Fangvorrichtung wird eine Messfahrt vorzugsweise bei unbeladenem Fahrkorb 2 durchgeführt, wobei die Beschleunigung az des Fahrkorbes 2 über die Zeit sowie die an dem mindestens einen Seil 3 wir- kende dynamische Seil(zug)kraft Tdyn gemessen wird.P = (m P + m Q ) * g. To check the safety gear, a measurement run is preferably carried out with the car 2 unloaded, the acceleration a z of the car 2 over time and the dynamic rope (pull) force T dyn acting on the at least one rope 3 being measured.
Aus den in der Figur 1 skizzierten Kraftrichtungen wird deutlich, dass die abwärts gerichtete Kraft Pdyn = mP * az des Fahrkorbes 2 im Wesentlichen nur durch die dynamische Seilkraft Tdyn und die Fangkraft F der Fangvorrich- tung 6 gebremst wird. Die Fangkraft F kann damit bei der Messfahrt nach der FormelIt is clear from the force directions sketched in FIG. 1 that the downward force P dyn = m P * a z of the car 2 is essentially braked only by the dynamic rope force T dyn and the catching force F of the catching device 6. The trapping force F can thus be measured according to the formula
F = P, dyn ' dyn (mD * az) - T, dynF = P, dyn 'dyn (m D * a z ) - T, dyn
bestimmt werden. Die Fangkraft F ist ausreichend, wenn sie größer als die abwärts gerichtete Kraft P des mit maximaler Nutzlast mQ oder sogar Überlast (125% * mQ) beladenen Fahrkorbes 2 bei Schwerebeschleunigung g ist. Nur dann ist die Funktionsfähigkeit der Fangvorrichtung 6 gewährleistet.be determined. The catching force F is sufficient if it is greater than the downward force P of the car 2 loaded with the maximum payload m Q or even overload (125% * m Q ) at gravitational acceleration g. Only then is the functionality of the safety device 6 guaranteed.
Als dynamische Seilkraft Tdyn und Beschleunigung az werden zur Berechnung der Fangkraft F vorzugsweise die Spitzenwerte, d.h. die Maximalbzw. Minimalwerte des Messverlaufs genutzt. Es kann aber auch der maximale Betrag Fmax des aufgenommenen Verlaufs der dynamischen Fang- kraft Fdyrι ausgewertet werden. The dynamic rope force T dyn and acceleration a z are preferably used to calculate the catching force F, the peak values, ie the maximum or Minimum values of the measurement course used. However, the maximum amount F max of the recorded course of the dynamic catching force F dyrι can also be evaluated.

Claims

Patentansprüche claims
1 . Verfahren zur Überprüfung von Fangvorrichtungen (6) an Seil- Aufzugsanlagen (1 ), die zum Auffangen eines Fahrkorbes (2) der Aufzugsanlage (1 ) vorgesehen sind, wobei die Beschleunigung (az) des Fahrkorbes (2) während des Fangbremsvorganges gemessen und aufgezeichnet wird, gekennzeichnet durch1 . Method for checking safety devices (6) on cable elevator systems (1), which are provided for collecting a car (2) of the elevator system (1), the acceleration (a z ) of the car (2) being measured and recorded during the safety braking process is characterized by
Betätigen der Fangvorrichtung (6) während einer Messfahrt bei einer definierten Masse (mP) des Fahrkorbes (2) und Messen und Aufnehmen der dynamischen Seilkraft (Tdyn), die an dem mindestens einen den Fahrkorb (2) haltenden Seil (3) wirkt,Actuating the safety gear (6) during a measurement run with a defined mass (m P ) of the car (2) and measuring and absorbing the dynamic rope force (T dyn ), which acts on the at least one rope (3) holding the car (2) .
Ermitteln der dynamischen Fangkraft (Fdyn) der Fangvorrichtung (6) nach der FormelDetermine the dynamic catching force (F dyn ) of the catching device (6) according to the formula
Fdyn = (mP az) - Tdyn,F dyn = (m P a z ) - T dyn ,
Überprüfen, ob der maximale Betrag (Fmax) der dynamischen Fangkraft (Fdyn) größer als die bei Abriss des mindestens einenCheck whether the maximum amount (F max ) of the dynamic catching force (F dyn ) is greater than that when the at least one is torn off
Seiles (3) abwärts gerichtete Kraft (P) des mit maximaler Nutzlast (mα) beladenen Fahrkorbes (2) bei der Schwerebeschleunigung (g) ist:Rope (3) downward force (P) of the car (2) loaded with the maximum payload (m α ) at the acceleration of gravity (g) is:
Fmax > P = (mP + mQ) * g.F max > P = (m P + m Q ) * g.
2. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass die Messfahrt bei einem unbeladenen Fahrkorb (2) erfolgt. 2. The method according to claim 1, characterized in that the measurement run takes place with an unloaded car (2).
EP04710776A 2003-02-15 2004-02-13 Method for inspecting safety catches Expired - Lifetime EP1592634B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10306375 2003-02-15
DE10306375A DE10306375B3 (en) 2003-02-15 2003-02-15 Safety gear inspection procedures
PCT/DE2004/000261 WO2004071924A1 (en) 2003-02-15 2004-02-13 Method for inspecting safety catches

Publications (2)

Publication Number Publication Date
EP1592634A1 true EP1592634A1 (en) 2005-11-09
EP1592634B1 EP1592634B1 (en) 2007-06-06

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EP (1) EP1592634B1 (en)
AT (1) ATE364028T1 (en)
DE (2) DE10306375B3 (en)
ES (1) ES2288250T3 (en)
WO (1) WO2004071924A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006042909B4 (en) * 2006-03-28 2011-05-26 Tsg Technische Service Gesellschaft Mbh Dynamic determination of the driving ability of traction sheave-driven elevator systems
EP1870369B1 (en) * 2006-06-19 2018-01-10 Inventio AG Method for testing a lift braking device, method for start-up of a lift facility and a device for carrying out start-up
DE102008022416A1 (en) 2008-05-06 2009-11-12 TÜV Rheinland Industrie Service GmbH Acceleration measurement on an elevator device
DE102009001056A1 (en) 2009-02-20 2010-09-02 Dekra Testing & Inspection Gmbh Proper operational characteristics e.g. traction characteristics, testing method for lift, involves measuring change of distance between lift cage and fixed measurement point in lift shaft mine opening for determining characteristic values
CN113567099B (en) * 2021-07-13 2023-09-08 江苏省特种设备安全监督检验研究院 Dynamic simulation test system and test method for anti-fall device of lifting protection platform

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Publication number Priority date Publication date Assignee Title
DE9015495U1 (en) * 1990-11-12 1992-01-02 Technischer Überwachungs-Verein Bayern e.V., 8000 München Transducer for recording physical parameters of a passenger and/or freight elevator
DE4217587C2 (en) * 1992-05-21 1999-02-25 Ernst Dipl Ing Kasten Plant diagnostic procedures

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Title
See references of WO2004071924A1 *

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DE502004004024D1 (en) 2007-07-19
ATE364028T1 (en) 2007-06-15
WO2004071924A1 (en) 2004-08-26
EP1592634B1 (en) 2007-06-06
DE10306375B3 (en) 2004-10-14
ES2288250T3 (en) 2008-01-01

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