EP2102087A1 - Procédé et dispositif de vérification d'appareils d'élévation - Google Patents

Procédé et dispositif de vérification d'appareils d'élévation

Info

Publication number
EP2102087A1
EP2102087A1 EP07846769A EP07846769A EP2102087A1 EP 2102087 A1 EP2102087 A1 EP 2102087A1 EP 07846769 A EP07846769 A EP 07846769A EP 07846769 A EP07846769 A EP 07846769A EP 2102087 A1 EP2102087 A1 EP 2102087A1
Authority
EP
European Patent Office
Prior art keywords
car
tensile force
drive unit
load
test
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
EP07846769A
Other languages
German (de)
English (en)
Other versions
EP2102087B1 (fr
Inventor
Dieter Breitenbach
Wolfgang König
Michael Langer
Oskar Rosin
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.)
Tuev Nord Systems & Co KG GmbH
Original Assignee
Tuev Nord Systems & Co KG 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
Application filed by Tuev Nord Systems & Co KG GmbH filed Critical Tuev Nord Systems & Co KG GmbH
Publication of EP2102087A1 publication Critical patent/EP2102087A1/fr
Application granted granted Critical
Publication of EP2102087B1 publication Critical patent/EP2102087B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 present invention relates to a method for load testing, in particular at start-up and / or when placing on the market, the complete mechanical construction, comprising at least one car and a drive unit, of elevators, wherein the mechanical construction with a predetermined overload, in particular the 1, 25- times the rated load, is charged.
  • the safety devices brake, safety gear
  • the safety-relevant functions driving ability
  • This type of stress test is capable of faulty mechanical connections and components such.
  • Elevators are known, wherein the car of the elevator is fixed by means of rail tongs in the pit and the hydraulic system is pressurized to determine whether a sufficiently large pressure can be built by the hydraulic system to bring the sinking car back flush into the stop to be able to. This load test is carried out without load masses being introduced into the car.
  • a disadvantage of this known method is especially that a load test is not performed under defined conditions with respect to the test load.
  • Object of the present invention is therefore to provide a method for loading test of the type mentioned, which is feasible without loading the car with load masses in all common types of lifts and drive systems for elevator systems at a defined test load.
  • this object is achieved by a generic method in which the car is locked by a fastening device directly or indirectly in the shaft, then driven to exert a tensile force on the car, the drive unit, measured the tensile force and the
  • the entire Mechanical construction including in particular also many mechanical connections such as screw connections, welds, reinforcements, tested.
  • the entire car is locked on the one hand and not just a section of the supporting cable in the vicinity of the traction sheave on the one hand. The locking thus mechanically indistinguishable simulates the effect of a test mass introduced into the car.
  • the inventive method differs from the known methods for determining the driving ability on the one hand crucially in that according to the invention, a predetermined tensile force is set and kept constant.
  • a predetermined tensile force is set and kept constant.
  • the prior art is not set a predetermined tensile force, but it turns due to the friction between the traction sheave and suspension cable maximum force, which is different from case to case, of its own. Due to the fact that according to the invention a predetermined test load
  • the method according to the present invention differs in that a predetermined test load is set, which is never exceeded, since the drive unit is stopped upon reaching this tensile force.
  • the drive unit a If in an embodiment of the invention, the drive unit a
  • the inventive method can be used for the load test during commissioning or when marketing of traction sheave elevators.
  • the drive unit has a hydraulic system and a piston moving the car, the method according to the invention can be used for checking during commissioning or when placing directly or indirectly hydraulic elevators in the car without the use of loading masses.
  • the drive unit is driven by an external drive device, in particular an electric drive, it is ensured that the overload desired for the test can be generated in the form of a tensile force applied by means of the drive unit. This is the case even if the drive unit should not be able to apply a tensile force corresponding to the overload for whatever reason.
  • the car preferably by a tension belt, is locked to a guide rail mounted in the shaft.
  • a guide rail is present in the shaft, which is firmly connected to the shaft and is sufficiently stable to apply the counterforce for the tensile load corresponding to the overload.
  • the car preferably by a tension belt, in the Shaft pit arrested.
  • This variant is particularly favorable if either no guide rail is present or the guide rail is not suitable for attachment to a fastening device, for example because it is difficult to access.
  • the tensile force can be measured according to the invention by a spring element.
  • a spring element For example, it is possible within the scope of the invention to provide an electronically scanned spring balance in a tension belt. Similarly, the use of a measuring device with a load cell and associated electronic display is possible within the scope of the invention.
  • Figure 1 Schematic representation of the balance of power in conventional testing an elevator system with load masses in the car
  • FIG. 2 Schematic representation of the balance of power when testing the elevator system with the method according to the invention without the use of loading masses.
  • Figure 1 the operation and the balance of forces in the application of the method according to the invention for testing for the marketing of lifts in the case of a traction sheave elevator are outlined.
  • a traction sheave elevator 1 with a traction sheave 2 one guided over the traction sheave 2 of this
  • the car 4 is movable within guide rails 6 in the vertical direction.
  • the traction sheave 2 is provided with a drive 7 which is shown only roughly schematically.
  • the drive 7 and driven by this traction sheave 2 are arranged on a base 8.
  • the base 8 has two passages 9, through which the support cable 3 is guided in the vertical direction.
  • the weight of the load mass 10 is selected so that it corresponds to the 1, 25 times the rated load of the traction sheave elevator 1.
  • the counterweight 5 exerts a weight G on the supporting cable 3.
  • the car 4 exerts a weight F on the other end of the support cable 3.
  • the force acting on the same end of the supporting cable 3 as the weight F of the car 4 weight force of the test mass 10 is denoted by 1, 25 x Q.
  • Traction sheave elevator 1 loaded with a total load of G + F + 1.25 x Q. Higher loads can not occur during operation when properly loaded.
  • This test method is thus based on introducing the test mass 10 with a weight in the amount of 1.25 times the rated load Q in the car 4. This is the currently used in the art for testing on the market, which due to the requirement, a large Test mass 10 to move, is unfavorable.
  • FIG. 2 illustrates again the example of the traction sheave elevator 1 from FIG. 1, the novel test method according to the present invention, in which no test mass 10 is required for the load test of the entire mechanical construction.
  • the components of the traction sheave elevator 1 to be tested correspond to those described in connection with FIG.
  • each tension belt 13 is attached to the underside of the car.
  • the other end of each tensioning belt 13 is fixed in a further fastening clamp 12, which is connected in each case to the guide rails 6 and thus indirectly to the elevator shaft 14.
  • each tension belt 13 is a mechanical voltage indicator in the form of a load cell 15 with electronic display available.
  • the driving of the traction sheave 2 can be done by the drive 7 of the traction sheave elevator 1, when the drive 7 is designed so that it can muster the 1, 25 times the rated load. In other cases, the driving of the traction sheave 2 can also be done by an external drive. For example, a hand wheel or an electric drive can be used to drive the traction sheave 2.
  • Traction sheave elevator 1 so in particular the axis 11, the base 8, the car 4 and the supporting cable 3, loaded with a total load, which consists of the weight G of the counterweight, the weight F of the car and the 1, 25 times the rated load Q results. This corresponds mechanically exactly to the load in the conventional test method explained in FIG. 1 using the test phase 10.
EP07846769A 2006-12-11 2007-11-23 Procédé et dispositif de vérification d'appareils d'élévation Active EP2102087B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006058646 2006-12-11
DE102007015648A DE102007015648A1 (de) 2006-12-11 2007-03-31 Verfahren und Vorrichtung zum Prüfen von Aufzugsanlagen
PCT/EP2007/010168 WO2008071301A1 (fr) 2006-12-11 2007-11-23 Procédé et dispositif de vérification d'appareils d'élévation

Publications (2)

Publication Number Publication Date
EP2102087A1 true EP2102087A1 (fr) 2009-09-23
EP2102087B1 EP2102087B1 (fr) 2012-03-07

Family

ID=39113979

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07846769A Active EP2102087B1 (fr) 2006-12-11 2007-11-23 Procédé et dispositif de vérification d'appareils d'élévation

Country Status (4)

Country Link
EP (1) EP2102087B1 (fr)
AT (1) ATE548312T1 (fr)
DE (1) DE102007015648A1 (fr)
WO (1) WO2008071301A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180282121A1 (en) * 2015-12-07 2018-10-04 Kone Corporation Method and arrangement for testing the car structures of an elevator and/or for adjusting a load weighing device

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DE102008055962B3 (de) * 2008-11-05 2010-04-01 Wolfgang Marischler Lifterprüfgerät
CN102307803B (zh) 2009-02-09 2016-01-20 因温特奥股份公司 用于在电梯设备中实施负载检测的设备以及用于实施此类检测的方法
EP2251294B1 (fr) 2009-05-12 2012-05-09 DEKRA Industrial GmbH Procédé et agencement destinés à contrôler la capacité de fonctionnement règlementaire d'un ascenseur hydraulique
DE102009003040B4 (de) 2009-05-12 2011-07-21 DEKRA Industrial GmbH, 70565 Verfahren zum Prüfen der ordnungsgemäßen Funktionsfähigkeit eines hydraulischen Aufzugs
FR2966140B1 (fr) * 2010-10-19 2013-11-15 France Elevateurs Cabine destinee au transport de personnes et/ou de charges munie d'un dispositif de simulation de charge
PL2865628T3 (pl) * 2013-10-25 2016-11-30 Test kontrolny dla wind bez stosowania dodatkowych obciążników
CN104118781B (zh) * 2014-07-08 2017-01-11 上海新时达电气股份有限公司 一种确定平衡系数的方法
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
DE102017108758A1 (de) * 2017-04-25 2018-10-25 TÜV Nord Systems GmbH & Co. KG Gaszugfeder für Treibfähigkeitsmessung
CN107445003B (zh) * 2017-08-01 2019-05-17 江苏省特种设备安全监督检验研究院 电梯载荷试验组合替载系统及试验方法
CN108358010A (zh) * 2018-04-04 2018-08-03 安徽中安检测中心有限公司 一种齿轮锥鼓型渐进式安全防坠器测试台
CN108584618A (zh) * 2018-06-12 2018-09-28 深圳市特种设备安全检验研究院 复合钢带当量摩擦系数的测试装置及测试方法
CN109748168B (zh) * 2019-01-16 2020-08-07 安徽中科智能高技术有限责任公司 一种曳引电梯1.25倍制动试验无载测试装置及测试方法
EP3705441A1 (fr) 2019-03-05 2020-09-09 KONE Corporation Procédé de commande d'un ascenseur
WO2023117831A1 (fr) 2021-12-20 2023-06-29 Inventio Ag Appareil de mesure d'une force sur une installation d'ascenseur, procédé de vérification d'équilibrage d'une installation d'ascenseur, et installation d'ascenseur pour la mise en œuvre du procédé
WO2023117832A1 (fr) 2021-12-20 2023-06-29 Inventio Ag Dispositif de mesure d'une force agissant sur un système d'ascenseur, procédé de mesure d'une force agissant sur un composant mobile d'un système d'ascenseur, et système d'ascenseur permettant la mise en œuvre du procédé
DE102022104832A1 (de) 2022-03-01 2023-09-07 Henning Testing Systems Gmbh Verfahren zur Überprüfung wenigstens eines sicherheitsrelevanten Kennwerts einer Aufzugsanlage

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DE4309335C2 (de) * 1993-03-17 1995-04-27 Tech Ueberwachungs Verein Hann Verfahren und Vorrichtung zum Prüfen hydraulischer Aufzuganlagen
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DE102005010346A1 (de) * 2005-03-07 2006-09-14 TÜV Rheinland Industrie Service GmbH Prüfvorrichtung und zugehöriges Verfahren

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180282121A1 (en) * 2015-12-07 2018-10-04 Kone Corporation Method and arrangement for testing the car structures of an elevator and/or for adjusting a load weighing device

Also Published As

Publication number Publication date
EP2102087B1 (fr) 2012-03-07
WO2008071301A1 (fr) 2008-06-19
DE102007015648A1 (de) 2008-06-12
ATE548312T1 (de) 2012-03-15

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