EP2650245A2 - Procédé et agencement destinés à contrôler la capacité de fonctionnement réglementaire d'un ascenseur - Google Patents

Procédé et agencement destinés à contrôler la capacité de fonctionnement réglementaire d'un ascenseur Download PDF

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Publication number
EP2650245A2
EP2650245A2 EP13176188.4A EP13176188A EP2650245A2 EP 2650245 A2 EP2650245 A2 EP 2650245A2 EP 13176188 A EP13176188 A EP 13176188A EP 2650245 A2 EP2650245 A2 EP 2650245A2
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EP
European Patent Office
Prior art keywords
car
measuring device
arrangement according
distance
elevator
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
EP13176188.4A
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German (de)
English (en)
Other versions
EP2650245B1 (fr
EP2650245A3 (fr
Inventor
Matthias Gehrke
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.)
Dekra eV
Original Assignee
DEKRA Industrial GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102009001055A external-priority patent/DE102009001055A1/de
Priority claimed from DE102009001057A external-priority patent/DE102009001057A1/de
Priority claimed from DE102009001056A external-priority patent/DE102009001056A1/de
Priority claimed from DE200910026992 external-priority patent/DE102009026992A1/de
Priority claimed from DE200910028596 external-priority patent/DE102009028596A1/de
Application filed by DEKRA Industrial GmbH filed Critical DEKRA Industrial GmbH
Publication of EP2650245A2 publication Critical patent/EP2650245A2/fr
Publication of EP2650245A3 publication Critical patent/EP2650245A3/fr
Application granted granted Critical
Publication of EP2650245B1 publication Critical patent/EP2650245B1/fr
Active 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
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0037—Performance analysers

Definitions

  • the invention relates to an arrangement for testing the proper functioning, in particular a driving ability, Oversuokbmix, safety gear and the like.
  • An elevator in which a car in a hoistway pit having elevator shaft is movable, wherein for determining the proper functioning of the elevator under predetermined test conditions Characteristic value is determined.
  • the DE 101 50 284 A1 discloses a method for the diagnosis of elevator installations.
  • the car is provided with an accelerometer.
  • the acceleration values measured with the accelerometer are transmitted to an evaluation unit arranged outside the car.
  • the DE 10 2006 011 395 A1 discloses a measuring device for a driving capability measurement on an elevator installation.
  • the measuring device has a fastening device for positioning on a plurality of supporting cables. It also comprises a fixing device for at least one of the support cables.
  • the DE 39 11 391 C1 describes a method and an apparatus for checking the driving ability.
  • a force signal generator via the cable on him transmitted force determined until the rope begins to slide on the traction sheave.
  • a first Wegumblenaufêt with a rope of the cable and a second Wegumblenaufillon be connected to the traction sheave.
  • the devices necessary for carrying out the known methods require a relatively high outlay during assembly of the transducers.
  • the Implementation of the conventional method is associated with a high expenditure of time.
  • the object of the present invention is to eliminate the disadvantages of the prior art.
  • an arrangement is to be specified with which the proper functioning of an elevator can be checked quickly, simply and efficiently.
  • an arrangement for checking the proper functioning of an elevator, in which a car is movable in an elevator shaft, and wherein an optical distance measuring device for measuring a change in a distance of the car from a fixed measuring point in the elevator shaft is arranged in the elevator shaft.
  • the optical distance sensor and a computer for recording and evaluating the recorded measured values are accommodated or combined in a suitcase in the manner of a kit.
  • the proposed arrangement can be produced easily and quickly. For this purpose, for example, it is only necessary to set down a distance measuring device on a floor of the hoistway pit space, and to adjust with respect to a car underside. A time consuming, cumbersome and complicated attachment of transducers on ropes, the traction sheave or the like. Is not required in the inventive arrangement.
  • a reflector and at least one force measuring device can also be accommodated.
  • the test engineer merely has to deposit the suitcase on the floor of the hoistway pit, attach the reflector, which can be provided with a magnetic foil, to the underside of the car and record the optical distance sensor received in the case, by means of a laser beam radiated from it, for example Adjust the reference to the reflector attached to the underside of the car.
  • the distance measuring device may be provided with an adjusting device. It may be three mounted on the underside of the distance measuring device supports that are in their length, for example in the manner of adjusting screws, changeable.
  • a check of the proper functioning of an elevator can be carried out in order to determine a characteristic value by changing the distance which is measured by means of the optical distance measuring device between the car and a fixed measuring point in the elevator shaft.
  • the method that can be carried out by the test arrangement a complicated and time-consuming attachment of measuring devices to ropes and / or the traction sheave and / or the laying of cables to a sensor outside the elevator shaft can be dispensed with.
  • the feasible by the test arrangement method is also special universal, since the design of the elevator shaft is defined by standards. As a result, lift shafts hardly differ even in a different design of elevators. This further simplifies the inspection of the proper functioning of the elevator.
  • the optical distance measuring device is located as a fixed measuring point in the hoistway pit space, in which case the distance to a car underside of the car is measured.
  • the hoistway pit area is easily accessible to the test engineer. There can be arranged without great effort suitable for optical measurement of the change in the distance distance measuring device.
  • the distance measuring device forms a fixed measuring point. This simplifies the procedure. It eliminates complex adjustments compared to a z. B. designed as a mirror fixed measuring point and possibly required cable laying work to a computer.
  • the change of the distance is measured by means of an optical distance measuring device.
  • the distance measuring device may expediently a clock, which z. B. a time-resolved measurement of the distance of the car relative to a fixed measuring point allows include.
  • the clock generator can for example be part of a computer which is connected to the distance measuring device for transmitting and evaluating the measured values measured therewith.
  • the distance measuring device it has proven to be expedient to use the distance measuring device to measure and record at least 500, preferably 700 to 2500, distance values per second. Conveniently, 800 to 1200 distance values per second are measured and evaluated with a downstream evaluation. With the proposed acquisition frequency of the measurements, it is possible to accurately capture the dynamic behavior of the car in test routines required for the proper functioning test. The results obtained are much more accurate than those achievable with conventional test routines. At the same time, the process can be carried out more easily and inexpensively.
  • the distance values, expediently 900 to 1100 per second can also be dependent on one of a force measuring device recorded measured values. Here too, the aforementioned measurement frequency can be used.
  • the distance measuring device is placed in a hoistway pit space which is bounded by a floor of the hoistway, its walls and an imaginary surface which rests on an upper surface of bumpers supported on the ground.
  • the lift pit mine is relatively easy to walk on. Below the imaginary surface, which rests on top of the buffer, the distance measuring device can be safely accommodated. Even with a placement of the car or the counterweight on the buffers damage to the distance measuring device is not to be feared.
  • the distance measuring device is supported on the floor of the hoistway pit area.
  • an optical distance sensor is used as the distance measuring device, which comprises a along an optical axis transmitted light rays emitting sensor, at least one oscillator for modulating the transmitted light beams and a receiving light beam receiving receiver with means for determining the duration of the reflected from the car bottom receiving light beams having.
  • the proposed optical distance sensor in particular the time change of the distance of the car from the phase difference between the transmitted and received light beam can be determined.
  • the transmitting and the receiving light beam are not pulsed in this embodiment.
  • the distance measurement is done by frequency measurement. Such a frequency measurement can be accomplished with little circuit complexity. It is thus possible to measure the change over time of a distance between the underside of the car and the fixed measuring point particularly accurately and with high resolution.
  • the means for determining the transit time comprise a phase difference detector, which is connected to the receiver via an electrical signal path.
  • an electronic signal delay unit may be turned on, with a phase difference between the transmitted and received light beams on a default value is set or adjusted.
  • at least one synchronous rectifier is expediently provided between transmitting and receiving light beams.
  • the transmitter can be modulated by a preceding oscillator at a constant frequency, so that the output of a clock oscillator is fed to the synchronous rectifier, wherein the frequency of the clock oscillator is adjustable by feedback of the output signal of the synchronous rectifier.
  • the phase difference between the signals of the oscillator and the clock oscillator can be determined and evaluated in the evaluation unit as a measure of the distance. It may also be that for determining the phase shift between transmitting and receiving light beams, the modulation frequency of the transmitted light beams is adjustable by the integrated output signal of the synchronous rectifier is fed back on a transmitter upstream of the oscillator, wherein the set in the oscillator modulation frequency in the evaluation unit as a measure of the Distance is evaluated.
  • a distance measuring device with the aforementioned features is particularly suitable for measuring the distance of the car relative to the fixed measuring point. A measurement frequency achievable thereby enables a measurement of the temporal change of the distance in the millisecond range.
  • the proposed distance measuring device thus is universally suitable for determining all speed-dependent and / or acceleration-dependent characteristic values when testing the proper functioning of an elevator.
  • the optical distance sensor is supported on the floor of the hoistway pit, and a reflector is attached to the underside of the car.
  • the support of the optical distance sensor on the shaft bottom can be accomplished particularly easily. Cumbersome installation work is not required.
  • an evaluation unit for evaluating the received signals present at the output of the receiver.
  • the receiver may have a photosensitive surface whose normal vector is um a predetermined tilt angle to the optical axis is suitable. This can be avoided that light is reflected by the receiver in the region of the optical axis, which could lead to a falsification of the measurement results.
  • the tilt angle is suitably in the range of 10 to 30 °.
  • the distance in particular the distance can be measured as a function of time and an acceleration of the car can be determined therefrom.
  • the acceleration can be determined simply and accurately by twice the derivative of the distance values measured over time.
  • a multiplicity of characteristic values reproduced for the proper functioning of an elevator can be determined.
  • the delay of the car when the safety gear is triggered can be determined particularly accurately.
  • the procedure can be carried out surprisingly easily. In particular, it is not necessary to attach a measuring device to a cable, the traction sheave or the like.
  • the downward movement can be carried out with the car unloaded.
  • the safety gear is triggered in a lower half, preferably a lower third, more preferably in a lower quarter of a travel path of the infrastructure. Because of the increasing rope length between traction sheave and car, the safety gear is particularly heavily stressed in a lower portion of the driveway. For the functionality of the safety gear results in a lower portion of the track particularly meaningful values.
  • the downward movement can be carried out at nominal speed. This further simplifies the proposed method.
  • the test method By measuring the distance of the underside of the car, the test method by means of the measuring arrangement can be carried out surprisingly simply and quickly.
  • the time-consuming assembly of transducers on ropes, the traction sheave or the like can be dispensed with.
  • the driving ability of the traction sheave when triggering the braking device can be determined with improved accuracy.
  • the term "braking device” is understood to mean a traction disk brake acting directly on the traction sheave or else a transmission or engine brake acting indirectly on the traction sheave.
  • the term “elevator shaft” is also to be understood generally in the sense of the present invention. This includes both fully and partially reinforced lift shafts.
  • the "distance” is a distance measured essentially in the direction of movement of the car.
  • An “elevator” is understood to mean both an elevator with a car which can be moved in the vertical direction and an inclined elevator, in which the car can be moved at least 15 ° obliquely in relation to the horizontal.
  • the driving capability for emergency stop in the sense of DIN EN 81-1 can be determined.
  • the distance of the car over time when moving the car is measured immediately and triggered the braking device.
  • the delay of the movement after release of the braking device can be determined from the measured distance by two-fold derivation after the time.
  • integration constants In contrast to the prior art it is not necessary here to use integration constants for the calculation. The use of integration constants leads to inaccuracies in the calculation.
  • the movement is carried out with the car unloaded. This further increases the efficiency of the proposed method.
  • it is also possible to load the car, for example, with nominal load.
  • the movement of the car is carried out at rated speed. This further simplifies the test procedure.
  • the car is moved up to determine the driving ability T.
  • the test arrangement it is also possible to determine the driving ability of a downward movement of the car with a high accuracy.
  • the measuring arrangement can perform a test procedure, which can form a test sequence, which are combined with further test sequences.
  • it has proven expedient to support a first force measuring device on at least one first buffer corresponding to the counterweight and a second force measuring device on at least one second buffer corresponding to the car.
  • the force measuring devices are thus also introduced into the elevator shaft pit and are thus in the vicinity of the distance measuring device.
  • This advantageously makes it possible to record and evaluate the measured values of the distance measuring device and / or of the force measuring devices by means of a computer connected thereto, preferably in the elevator shaft pit space.
  • the establishment of a force measuring devices, the distance measuring device and the computer comprehensive measuring device in the hoistway pit can be performed quickly and easily. With such a measuring device all required to check the proper functioning of an elevator characteristics can be determined.
  • the distance measuring device provided according to the invention, it is also advantageously possible in a particularly simple manner to calculate the respective proportionate cable weight on the counterweight side and / or on the car side and to take this into consideration when determining the characteristic values.
  • the proposed further test sequence can also be carried out quickly and easily using the measuring device described above.
  • the other test sequences can be advantageously carried out with unladen car. This further simplifies and speeds up the process that can be carried out by means of the test arrangement.
  • Fig. 1 shows schematically and in perspective partial view of an embodiment of a test arrangement according to the invention for testing the driving ability of an elevator.
  • Fig. 1 are guided over a traction sheave 1 more ropes 2.
  • the one ends of the cables 2 are attached to a car 3, the other ends to a counterweight 4.
  • the reference numeral 5 denotes a drive and brake device for driving and braking the traction sheave 1.
  • An optical distance sensor 7 is located on a shaft bottom 6 of an elevator shaft (not shown here).
  • a transmitted light beam 8 for measuring a distance is reflected, for example, by means of a reflector on an underside of the car 3 and as a received light beam by a receiver of the optical distance sensor 7 receive.
  • the optical distance sensor 7 is connected to a computer 9 for recording the distance values measured therewith over time.
  • Reference numeral 10 denotes a first buffer for damping a downward movement of the counterweight 4.
  • a second buffer 11 serves to dampen the downward movement of the car 3.
  • the first 10th and the second buffer 11 are supported on the shaft bottom 6 of the hoistway.
  • the force measuring devices 12, 13 may be conventional load cells.
  • the force measuring devices 12, 13 are connected to the computer 9.
  • the computer 9 and the optical distance sensor 7 are arranged in an elevator shaft space, which is located between the shaft bottom 6 and an imaginary surface, which runs approximately parallel to the shaft bottom 6 and simultaneously rests on an upper side of the first 10 and second puff 11.
  • Fig. 2 shows an example of a recorded with the computer 9 measurement of the distance between the optical distance sensor 7 and the car 3 over time and their first derivative -V after the time. From the slope of the first derivative of the count in a time interval t1 to t2 after the triggering of the braking device 5, the delay a can be determined. For a given weight on the counterweight side, ie the weight of the counterweight 4 and the present on the counterweight side proportionate rope weight, and the weight on the car side, ie the weight of the car 3 and the proportionate weight of the rope 2 on the
  • Fig. 3 shows a partial perspective view of the elevator in a measurement of the overdrive using the measuring device.
  • the counterweight 4 is supported on the first buffer 10 via the first force measuring device 12. It is measured by means of the first force measuring device 12, the force acting on the first buffer 10 force over time. At the same time, the distance between the car 3 and the force can be measured with the optical distance sensor 7.
  • the traction sheave 1 is rotated in a lift the car 3 direction until the rope slip. From the force measured with the first force measuring device 12 at the time of the cable slip, the so-called over-driving capability T2 '/ T1' according to formula (2) can be determined.
  • Fig. 4 shows a third partial perspective view of the elevator and the measuring device.
  • the car 3 is placed with the bottom of the car floor on the recorded on the second buffer 11 second force measuring device 13.
  • the second force measuring device 13 (not visible here)
  • the force exerted on the second buffer 11 is measured.
  • the optical Distance sensor 7 the distance to the bottom of the car floor measured.
  • the traction sheave 1 is moved in a counterweight 4 lifting direction until the rope slip.
  • the minimum driveability T2 "/ T1" can be determined according to formula (3).
  • the characteristic of the second buffer 11 can be determined.
  • Fig. 5 shows an example of a recorded with the computer 9 measurement of the distance between the optical distance sensor 7 and the car 3 over time and their first derivative -V after the time. From the slope of the first
  • the delay s ⁇ of the car 3 can be determined. Given the weight on the car side, ie the weight of the car 3 and given nominal load can be determined according to the formula (1) the delay Vf for the laden with nominal load car 3 in free fall as a characteristic value.
  • Fig. 6 shows an exemplary recorded with the computer 9 buffer characteristic.
  • a measurement of the distance of a bottom of the car 3 with respect to the shaft bottom 6 in particular also allows consideration of the rope weights.
  • Fig. 7 schematically shows a cable arrangement.
  • the rope weights can be considered according to formula (4) for 1: 1 or 1: 2 suspended lifts. All distances from the optical distance sensor (7) can be detected automatically.
  • the specific rope weight can be taken from a table by this is recorded against a rope diameter.
  • an optical distance sensor 7 which determines the temporal change of a distance between the pit and a bottom of the car 3 from a phase shift between a transmitting 8 and a received light beam, can be particularly fast, efficient and easy to check the proper functioning of a Elevator are performed.
  • the efficiency of the method that can be performed by the test arrangement can be further increased if the optical distance sensor 7 is combined with force measuring devices 12, 13.
  • the relevant rope weights can be determined automatically with the distance measurement. Only the number of ropes and the rope diameter must be entered manually.
  • the half-load compensation can be determined automatically by the counterweight 4 is lowered with the brake open on the buffer 10 with the force measuring device 12.
  • the car weight can be determined automatically using the following methods:
  • the counterweight 4 is driven in the vicinity of the buffer 10, for example, the car 3 is moved to the top stop.
  • the brake of the drive is now opened.
  • the counterweight 4 is from the force measuring device 12, which on the Buffer 10 is braked.
  • the first force F m1 applied to the force-measuring device 10 is measured at t1.
  • the delay a 1 can be determined again by the second derivative of the measured distance after the time.
  • the two methods are also suitable for determining the counterweight.
  • the determined values such as counterweight, car weight, proportionate rope weights, speed and head are automatically provided for the calculation of the dynamic driving ability, the driving ability when loading the car 3, the overdrive capability and the buffer characteristic. The expert no longer has to search the data in the test book.
  • the Fig. 8 to 10 show path / time diagrams obtained on a test elevator using a distance measuring device with an optical distance sensor.
  • a car 3 is connected to a counterweight 4 via a plurality of ropes 2 guided by a traction sheave.
  • the car 3 has a safety gear.
  • a drive device for driving the traction sheave 1 is provided with a braking device.
  • a change in the distance A has been measured with the optical distance sensor with respect to a car underside time-resolved. The measured values have been stored on a computer 9 and subsequently evaluated.
  • Fig. 8 shows a path / time diagram of a complete sequence.
  • the car 3 has been moved for calibration purposes, first from a first floor S1 to the next higher floors S2, S3, S4.
  • the cable masses mA, mB, mC and mD can be determined.
  • the point S5 describes a so-called "Überfahrweg", in which the counterweight rests on the corresponding buffer.
  • the braking device has been released and the safety device has been triggered at point M2.
  • the braking device has been released and the braking device has been actuated at point M4.
  • the car 3 rests on the corresponding buffer in the shaft pit.
  • Fig. 9 shows the path / time diagram in higher resolution according to Fig. 8 in the area of point M2. Furthermore, the time / distance curve derived from the derivative has been calculated and also shown for the time-distance curve. The approximately at the time 237.2 s observable increase in the path of the car 3 is caused by the falling counterweight 4. This shows conversely that the counterweight 4 does not affect the measurement of the Delay s ⁇ has.
  • the delay Vf can be determined by determining the slope of the substantially rectilinear region in the velocity / time diagram.
  • Fig. 10 shows the path / time diagram according to Fig. 8 with higher resolution in the area of point M4. Again, the first derivative of the path / time curve is shown. A delay at point M4 can also be achieved by applying the in Fig. 10 shown tangent Tg be determined at the linear region in the velocity / time diagram while determining their slope. From the determined deceleration S2, according to the formula (2), the driving capability T can be determined.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
EP13176188.4A 2009-02-20 2010-02-12 Procédé et agencement destinés à contrôler la capacité de fonctionnement règlementaire d'un ascenseur Active EP2650245B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE102009001055A DE102009001055A1 (de) 2009-02-20 2009-02-20 Verfahren zur Prüfung der ordnungsgemäßen Funktionsfähigkeit eines Aufzugs
DE102009001057A DE102009001057A1 (de) 2009-02-20 2009-02-20 Verfahren zur Prüfung der ordnungsgemäßen Funktionsfähigkeit eines Aufzugs
DE102009001056A DE102009001056A1 (de) 2009-02-20 2009-02-20 Verfahren zur Prüfung der ordnungsgemäßen Funktionsfähigkeit eines Aufzugs
DE200910026992 DE102009026992A1 (de) 2009-06-17 2009-06-17 Vorrichtung und Verfahren zur Prüfung der ordnungsgemäßen Funktionsfähigkeit eines Aufzugs
DE200910028596 DE102009028596A1 (de) 2009-08-17 2009-08-17 Verfahren und Anordnung zur Prüfung der ordnungsgemäßen Funktionsfähigkeit eines Aufzugs
EP20100153413 EP2221268B1 (fr) 2009-02-20 2010-02-12 Procédé et agencement destinés à contrôler la capacité de fonctionnement réglementaire d'un ascenseur

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP10153413.9 Division 2010-02-12
EP20100153413 Division EP2221268B1 (fr) 2009-02-20 2010-02-12 Procédé et agencement destinés à contrôler la capacité de fonctionnement réglementaire d'un ascenseur
EP20100153413 Division-Into EP2221268B1 (fr) 2009-02-20 2010-02-12 Procédé et agencement destinés à contrôler la capacité de fonctionnement réglementaire d'un ascenseur

Publications (3)

Publication Number Publication Date
EP2650245A2 true EP2650245A2 (fr) 2013-10-16
EP2650245A3 EP2650245A3 (fr) 2014-01-15
EP2650245B1 EP2650245B1 (fr) 2015-09-02

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EP20100153413 Active EP2221268B1 (fr) 2009-02-20 2010-02-12 Procédé et agencement destinés à contrôler la capacité de fonctionnement réglementaire d'un ascenseur

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4332039A1 (fr) 2022-08-30 2024-03-06 TÜV SÜD Industrie Service GmbH Essai d'ascenseur par mesure de la courbe d'accélération

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011076241A1 (de) * 2011-03-07 2012-09-13 Dekra Industrial Gmbh Verfahren und Vorrichtung zur Prüfung der ordnungsgemäßen Funktionsfähigkeit eines Aufzugs
US9599467B2 (en) * 2011-12-15 2017-03-21 Dekra E.V. (Eingetragener Verein) Method and arrangement for testing the proper functionality of an elevator
DE102014101381B4 (de) 2014-02-05 2017-08-17 Dekra E.V. Messsystem und Messverfahren zur Prüfung der Fangvorrichtung eines Aufzugs
CN105883519B (zh) * 2016-06-22 2018-07-17 朗格尔电梯有限公司 电梯安全管理方法及其系统
US10745244B2 (en) 2017-04-03 2020-08-18 Otis Elevator Company Method of automated testing for an elevator safety brake system and elevator brake testing system

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Publication number Priority date Publication date Assignee Title
DE3911391C2 (de) 1989-04-07 1995-10-19 Bayern Tech Ueberwach Verein Verfahren und Vorrichtung zum Überprüfen der Treibfähigkeit
DE10150284A1 (de) 2001-10-12 2003-04-30 Henning Gmbh Diagnoseeinrichtung und Verfahren zur Diagnose von Aufzugsanlagen
DE102006011395A1 (de) 2006-03-09 2007-09-13 TÜV Rheinland Industrie Service GmbH Messvorrichtung für eine Treibfähigkeitsmessung

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Publication number Priority date Publication date Assignee Title
FR1094623A (fr) * 1954-01-06 1955-05-23
DE4211289C2 (de) * 1992-04-03 1994-01-05 Tech Ueberwachungs Verein Hann Verfahren zum Messen der Treibfähigkeit eines Antriebs einer Förderanlage
BE1014144A3 (fr) * 2001-04-27 2003-05-06 Visee Christian Methode et dispositif pour evaluer un parametre d'un objet en mouvement.
EP1749781B1 (fr) * 2004-05-28 2012-01-11 Mitsubishi Denki Kabushiki Kaisha Detecteur de glissement de cable d'ascenseur et systeme d'ascenseur
JP5172077B2 (ja) * 2005-05-06 2013-03-27 アズビル株式会社 距離・速度計および距離・速度計測方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3911391C2 (de) 1989-04-07 1995-10-19 Bayern Tech Ueberwach Verein Verfahren und Vorrichtung zum Überprüfen der Treibfähigkeit
DE10150284A1 (de) 2001-10-12 2003-04-30 Henning Gmbh Diagnoseeinrichtung und Verfahren zur Diagnose von Aufzugsanlagen
DE102006011395A1 (de) 2006-03-09 2007-09-13 TÜV Rheinland Industrie Service GmbH Messvorrichtung für eine Treibfähigkeitsmessung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4332039A1 (fr) 2022-08-30 2024-03-06 TÜV SÜD Industrie Service GmbH Essai d'ascenseur par mesure de la courbe d'accélération

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EP2221268A1 (fr) 2010-08-25
EP2650245B1 (fr) 2015-09-02
EP2221268B1 (fr) 2014-04-16
EP2650245A3 (fr) 2014-01-15

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