EP1472175B1 - Treuil de levage avec dispositif pour determiner la charge - Google Patents

Treuil de levage avec dispositif pour determiner la charge Download PDF

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Publication number
EP1472175B1
EP1472175B1 EP03704562A EP03704562A EP1472175B1 EP 1472175 B1 EP1472175 B1 EP 1472175B1 EP 03704562 A EP03704562 A EP 03704562A EP 03704562 A EP03704562 A EP 03704562A EP 1472175 B1 EP1472175 B1 EP 1472175B1
Authority
EP
European Patent Office
Prior art keywords
load
cable
hoisting gear
rope
hoist
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.)
Expired - Lifetime
Application number
EP03704562A
Other languages
German (de)
English (en)
Other versions
EP1472175A1 (fr
Inventor
Hermann Franzen
Jannis Moutsokapas
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.)
Demag Cranes and Components GmbH
Original Assignee
Gottwald Port Technology 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 Gottwald Port Technology GmbH filed Critical Gottwald Port Technology GmbH
Publication of EP1472175A1 publication Critical patent/EP1472175A1/fr
Application granted granted Critical
Publication of EP1472175B1 publication Critical patent/EP1472175B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/54—Safety gear
    • B66D1/58—Safety gear responsive to excess of load
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/16—Applications of indicating, registering, or weighing devices

Definitions

  • the invention relates to a hoist, in particular a hoist of a crane for container handling, with a device for load detection, with at least one cable drum, at least one drive motor and a arranged between the drive motor and cable drum hoist gear, which is arranged in a supported on one side of Hubtechniksgetriebe Hubtechniksgetriebegeratiuse, said the Hubtechniksgetriebegephaseuse is pivotally mounted in the region of one of its front ends about an axis extending parallel to the cable drum axis and in the region of its other end face on at least one torque arm can be supported, which is associated with a measuring device for indirect detection of the load hanging on the ropes.
  • the detection of the load picked up by the crane is of central importance. It serves the safety of the crane and the person entrusted with it so that e.g. in case of overload, the crane can be switched off, as a weighing device for determining the load and its load distribution in the ropes or for determining the center of gravity of the load itself, e.g. in unevenly loaded containers.
  • the load detection also serves as an indicator for the statistical determination of the maintenance intervals in connection with the counted operating hours.
  • the load detection takes place in conventional systems in the rope or in the hoist device.
  • the measurement of the axial force in the hoist gear, which is caused by the helical teeth of the spur gears, as a proportional size of the cable force is known, but it fails because of the inaccuracy of the load measurement.
  • the disturbances from the thermal expansion and external temperature effects can only be compensated with considerable technical effort.
  • a known technique for load detection uses the mounting of the hoist gear on a torque arm.
  • the measured on the torque arm support force is proportional to the cable force and thus hanging on the ropes mass.
  • the load detection works relatively easy when all of the Rope drums unwound ropes are guided tangentially in the same direction. If the ropes are unwound in different directions, then conventional load detection via the torque arm is not possible.
  • the measurement of the cable force can be made in each rope strand.
  • a measuring device is installed at the end of the rope, the sum of all measured rope forces then corresponds to the mass of the load.
  • the measuring device must be supplied with external energy, preferably electrical, which must be transported by the crane to the rope end.
  • the power lines and the measuring devices are located directly on the load handling device. This means that the power lines must be protected against external mechanical effects, which causes a considerable technical effort and thus high costs.
  • a hoist with a load sensing device according to the preamble of claim 1 is known.
  • the hoist has in the usual way a cable drum, which is mounted at both ends via supports on a mounting plate. At one end of the cable drum, the axis of the cable drum is extended beyond the support in the form of a drive shaft.
  • a transmission is attached on the output side, which is connected on the drive side with a drive motor.
  • the transmission is thus freely rotatable about the drive shaft of the cable drum.
  • a torque arm in the form of a lever is arranged, which is connected via a further arm of the mounting plate.
  • a load cell Arranged in the arm is a load cell which measures the degree of rotation of the gearbox about the drive shaft when the hoist is under load. Based on the measured rotation then the load acting on the hoist load can be determined.
  • Object of the present invention is to provide a hoist with a device for load detection, in which the load detection, protected against external mechanical effects, takes place directly on the winch and which is capable of both the entire load hanging on the ropes as well as individual loads and possibly to detect the center of gravity of the load.
  • the invention proposes that at a Hoist with a device for load detection, with two achs Eisenen, synchronously driven double rope drums each with a coiled up and unwound load cable pair, each a load rope each load cable pair in a common first, substantially horizontally extending, the double rope drums tangential load guide level and around Deflection rollers is redirected to the vertical and the other two load cables of each load cable pair are guided vertically in a common second, the double rope drums tangential load guide plane.
  • the guidance of the four load ropes in two substantially transversely aligned planes is the prerequisite for the detection of the load on a hoist with four ropes, as used in particular for container handling. While two load ropes of each pair of load cables are wound off and wound up directly from the cable drum, the remaining two other load ropes are first guided substantially horizontally, in order then to deflect them around deflection rollers into the vertical.
  • the Double rope drums are designed and equipped so that when driving the rope drums on the common gear each four ropes are wound up or unwound simultaneously and synchronously. Since the housing is pivotally hinged on one of its sides and supported on its other side on a torque arm with measuring device, can easily detect the forces representing the cable forces at the measuring device.
  • the first and the second load guide plane intersect in a third plane, passing through the axis of rotation of the Double cable drums and the pivot axis of the hoist gear extends, which is provided on the side facing away from the pulleys and the torque arm side of the gear housing and that the torque arm is associated with a force transducer for detecting the total of the effective rope forces.
  • the pivot axis is provided on the side facing the pulleys and the torque arm side facing away from the transmission housing, that in the pulleys measuring axes for detecting the there vertically acting cable forces of the articulated load cables are arranged and that the cable forces of vertically guided other load cables in the load cell of the load cables adjacent torque arm can be detected.
  • the cable forces of the load cables guided vertically in the second load guidance level can be detected in the force transducers of two load strands adjacent spaced torque arms whose geometric arrangement with respect to the Hubtechniksgetriebegephaseuse and the distances to the load cables clearly can be determined, wherein the pivot axis of the Hubtechniksgetriebegephaseuses permits tilting movements.
  • the rope load to be determined can thus be easily detected in the force-measuring devices; if the loads involved in the two force-measuring devices are different, this is an indication of an eccentric center of gravity. Since the different rope loads can also be detected at the deflecting rollers, the center of gravity of the load can be determined mathematically via the geometric conditions and evaluated accordingly. Because the distance of the cables from the force measuring devices or the torque supports during winding and unwinding of the rope changes, is provided according to a further feature of the invention that the variable data of the cable distances are electronically determined and monitored within the second load management level. This monitoring is known in principle and is used here to obtain clear measuring signals at each lifting height.
  • a hoist with a device for load detection is proposed, which is performed directly on the side winds.
  • the measuring device is largely protected from external influences of measurement; impressed accelerations, which occur with relative measurements with force transducers entrained on the load receiving means, do not arise.
  • In the invention is always measured absolutely.
  • FIG. 1 shows in a simplified representation the overall view of a crane installation in which the present invention can be used.
  • the elevated bridge crane 1 consists of the bridge 2 and the cat 3. From the hoist 4 and the two double rope drums 4.1 and 4.2 each lead two, so a total of four cables 5.1 to 5.4 to the load-carrying means 6, which carries the load 7.
  • the load is an ISO container in the illustrated embodiment.
  • the hoist 4 is shown enlarged on the cat 3 in a detailed view.
  • the hoist 4 consists of the gear 8 with the gear housing, the drive motors 9, the two Doppef cable drums 4.1 and 4.2 and the two pulleys 10.1 and 10.2.
  • the gear housing 8 is supported within the cat 3 on the two gear bearings 11.1 and 11.2 and the torque arm 12 from.
  • the load cables are 5.3 and 5.4 guided in a first horizontal load guide plane between the double cable drum 4.1 or 4.2 and the pulleys 10.1 and 10.2, while the load cables 5.1 and 5.2 directly from the load drums 4.1 and 4.2 vertically in a common vertical second load guide plane are guided.
  • the pivot axis 13 of the gear housing 8 extends through the two gear bearings 11.1 and 11.2, it lies in a plane 14 which runs through the intersection of the two Seu management levels on the one hand and the axis of rotation of the cable drums 4.1 and 4.2.
  • the dimensional distances from the center of the rope to the pivot axis 13 remain the same in these geometric conditions, i. y is equal to z.
  • the solution described above is again shown geometrically simplified in FIG. 3 in a schematic 3D representation. Recognizable are the hoist 4, the two double rope drums 4.1 and 4.2 and the two pulleys 10.1 and 10.2.
  • the gear housing 8 is supported within the cat 3 on the pivot axis 13 extending through the gear bearings 11.1 and 11.2 and the torque support 12.
  • the pivot axis 13 lies in the dash-dotted lines indicated third level 14, which runs through the intersection of the two load guide levels and the axis of rotation of the cable drums 4.1 and 4.2.
  • the measure distances from the center of the rope to the axis of rotation 13 remain the same size, i. y is equal to z.
  • y describes the distance from the load rope 5.1 to the pivot axis 13 and z the distance from the load rope 5.3 to the pivot axis 13.
  • FIG. 4 A further alternative of the invention is shown in Fig. 4, in a schematic 3D representation of the hoist 4 can be seen, of which the two double soap drums 4.1 and 4.2 and the pulleys 10.1 and 10.2 are shown.
  • the transmission housing 8 is supported within the cat 3 on the two gear bearings 16.1 and 16.2 and on the torque arm 17.
  • the rope forces in the load cables 5.3 and 5.4 are determined by the measuring axes 19.1 and 19.2 in the guide rollers 10.1 and 10.2, the integrated torque arm 17 load cell 18 records the sum of the load from the individual vertically acting rope forces in the cable strands 5.1 and 5.2.
  • Fig. 5 shows a further alternative of the invention, also here the hoist is designated 4.
  • the two double rope drums carry the position numbers 4.1 and 4.2.
  • the load cables 5.3 and 5.4 are guided over the pulleys 10.1 and 10.2, which are provided with measuring axes 19.1 and 19.2 as in the solution according to FIG. 4 and allow a separate detection of the rope forces in the cable strands 5.3 and 5.4.
  • the gear housing 8 is supported within the cat 3 on the gearbox bearing 20 and the two torque arms 21.1 and 21.2. In the torque arms 21.1 and 21.2 integrated force transducer 22.1 and 22.2 are provided, which individually detect the vertically acting rope forces in the cable strands 5.1 and 5.2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Control And Safety Of Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Claims (5)

  1. Treuil de levage (4), en particulier treuil de levage d'une grue pour la manutention de conteneurs, avec un dispositif de détermination de la charge, avec au moins un tambour à câble (4.1, 4.2), au moins un moteur d'entraînement (9), de même qu'une transmission de treuil disposée entre le moteur d'entraînement (9) et le tambours à câble (4.1, 4.2), qui est disposée dans un carter (8) de transmission de treuil s'appuyant d'un côté sur un châssis de treuil, le carter (8) de transmission de treuil étant monté à pivotement autour d'un axe parallèle à l'axe du tambour à câble, dans la région d'une extrémité frontale, et pouvant s'appuyer, dans la région de son autre extrémité frontale, sur au moins un élément de réaction anti-couple (17) auquel est associé un dispositif de mesure pour la détermination indirecte de la charge suspendue aux câbles (5.1 à 5.4),
    caractérisé en ce que
    le treuil (4) présente deux doubles tambours à câbles (4.1 et 4.2) de même axe, entraînés en synchronisme, avec chaque fois une paire de câble porteur (5.1 à 5.4) envidés et dévidés dans le même sens, un câble porteur (5.3; 5.4) de chaque paire de câble porteurs (5.1; 5.3 et 5.2; 5.4) est guidé dans un premier plan commun de transport de la charge, sensiblement horizontal, tangent aux doubles tambours à câbles (4.1 et 4.2), et est dévié verticalement autour d'une poulie de renvoi (10.1; 10.2), et les deux autres câbles porteurs (5.1; 5.2) de chaque paire de câbles (5.1; 5.3, respectivement 5.2; 5.4) sont guidés verticalement dans un second plan commun de transport de la charge, tangent aux doubles tambours à câbles (4.1 et 4.2).
  2. Treuil de levage selon la revendication 1,
    caractérisé en ce que le premier et le second plans de transport de la charge se coupent dans un troisième plan (14) qui passe par l'axe de rotation des doubles tambours à câbles (4.1 et 4.2) et l'axe de pivotement (13) de la transmission de treuil (8), qui est prévu sur la face du carter (8) de la transmission écartée des poulies de renvoi (10.1 et 10.2) et de l'élément de réaction anti-couple (12), et en ce qu'un détecteur de force (15) pour déterminer la somme des forces agissant dans les câbles est associé à l'élément de réaction anti-couple (12).
  3. Treuil de levage selon la revendication 1,
    caractérisé en ce que
    l'axe de pivotement (13) est prévu sur la face du carter (8) de la transmission tournée vers les poulies de renvoi (10.1 et 10.2) et opposée à l'élément de réaction anti-couple (17), en ce que des axes de mesure (19.1; 19.2) sont prévus dans les poulies de renvoi (10.1 et 10.2) pour déterminer les forces dans les câbles porteurs déviés (5.3 et 5.4), agissant verticalement à cet endroit, et en ce que les forces dans les autres câbles porteurs guidés verticalement (5.1 et 5.2) peuvent être déterminées dans le détecteur de force (18) de l'élément de réaction anti-couple (17) voisin des câbles porteurs (5.1 et 5.2).
  4. Treuil de levage selon la revendication 1,
    caractérisé en ce que
    les forces agissant dans les câbles porteurs (5.1 et 5.2) guidés verticalement dans le deuxième plan de transport de la charge, peuvent être déterminées dans les capteurs de force (22.1 et 22.2) de deux éléments de réaction anti-couple (21.1 et 21.2) disposés à l'écart l'un de l'autre, à proximité de deux des câbles porteurs (5.1 et 5.2), dont la disposition géométrique par rapport au carter (8) de transmission, et la distance (x) aux câbles porteurs (5.1 et 5.2) peut être déterminée de manière non équivoque, dans lequel l'axe de pivotement du carter (8) de transmission permet des mouvements de basculement.
  5. Treuil de levage selon la revendication 1,
    caractérisé en ce que
    les données variables concernant les distances des câbles à l'intérieur du second plan de transport de la charge sont déterminées et contrôlées de manière électronique.
EP03704562A 2002-02-07 2003-02-06 Treuil de levage avec dispositif pour determiner la charge Expired - Lifetime EP1472175B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10205434 2002-02-07
DE10205434A DE10205434A1 (de) 2002-02-07 2002-02-07 Einrichtung zur Lasterfassung an einem Hubwerk
PCT/EP2003/001191 WO2003066505A1 (fr) 2002-02-07 2003-02-06 Dispositif pour detecter la charge appliquee a un treuil de levage

Publications (2)

Publication Number Publication Date
EP1472175A1 EP1472175A1 (fr) 2004-11-03
EP1472175B1 true EP1472175B1 (fr) 2006-10-04

Family

ID=27634840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03704562A Expired - Lifetime EP1472175B1 (fr) 2002-02-07 2003-02-06 Treuil de levage avec dispositif pour determiner la charge

Country Status (11)

Country Link
US (1) US7267241B2 (fr)
EP (1) EP1472175B1 (fr)
JP (1) JP4260021B2 (fr)
KR (1) KR100843757B1 (fr)
AT (1) ATE341521T1 (fr)
AU (1) AU2003206855A1 (fr)
DE (2) DE10205434A1 (fr)
DK (1) DK1472175T3 (fr)
ES (1) ES2274206T3 (fr)
PT (1) PT1472175E (fr)
WO (1) WO2003066505A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103318764A (zh) * 2013-05-28 2013-09-25 郑健 集装箱超偏载检测系统
DE202023100429U1 (de) 2023-01-31 2023-02-23 Vollert Anlagenbau Gmbh Hubwerk

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KR100600997B1 (ko) 2004-09-14 2006-07-19 주식회사 고려호이스트 더블드럼형 양중기의 과부하 방지장치
DE102009034121A1 (de) * 2009-07-20 2011-01-27 Thyssenkrupp Millservices & Systems Gmbh Hubwerk eines Krans
FR2956105B1 (fr) * 2010-02-10 2013-12-27 Payant Ets Dispositif de traction
GB2485226B (en) * 2010-11-08 2016-12-21 Siemag Tecberg Gmbh Torque support for an integrated hoisting machine
DE102011018535A1 (de) * 2011-04-26 2012-10-31 Liebherr-Components Biberach Gmbh Seilprüfstand
DE102011106635A1 (de) 2011-07-04 2013-01-10 Tractel Greifzug Gmbh Seildurchlaufwinde
DE102011113208A1 (de) * 2011-09-12 2013-03-14 Liebherr-Werk Nenzing Gmbh Seilwindenvorrichtung
US9388026B2 (en) * 2014-01-10 2016-07-12 Daniel Doig Winch and method of use thereof
NO2760515T3 (fr) * 2014-07-03 2018-03-24
US9950908B2 (en) 2016-03-10 2018-04-24 Magnetek, Inc. System and method for determining a load in a material handling system
CN109019338B (zh) * 2018-09-21 2021-01-12 长沙中联恒通机械有限公司 双卷扬起重机的力矩限制器控制方法
CN115353018B (zh) * 2022-08-12 2023-11-24 上海工程技术大学 一种风机叶片高空作业机器人的自升降装置及控制方法
CN115477219A (zh) * 2022-08-15 2022-12-16 河南省川达建筑机械有限公司 绳轮组件及无天梁式井道施工升降机

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103318764A (zh) * 2013-05-28 2013-09-25 郑健 集装箱超偏载检测系统
DE202023100429U1 (de) 2023-01-31 2023-02-23 Vollert Anlagenbau Gmbh Hubwerk
EP4410734A1 (fr) 2023-01-31 2024-08-07 Vollert Anlagenbau GmbH Dispositif de levage et procédé de détermination de la distance théorique d'un câble

Also Published As

Publication number Publication date
DK1472175T3 (da) 2007-02-12
US20040104191A1 (en) 2004-06-03
WO2003066505A1 (fr) 2003-08-14
KR100843757B1 (ko) 2008-07-04
AU2003206855A1 (en) 2003-09-02
EP1472175A1 (fr) 2004-11-03
US7267241B2 (en) 2007-09-11
DE10205434A1 (de) 2003-08-28
ES2274206T3 (es) 2007-05-16
JP2005516875A (ja) 2005-06-09
DE50305255D1 (de) 2006-11-16
KR20040080925A (ko) 2004-09-20
PT1472175E (pt) 2007-01-31
JP4260021B2 (ja) 2009-04-30
ATE341521T1 (de) 2006-10-15

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