EP2062845A2 - Portalkran zum Verschieben für Lern- oder Industrieanwendungen - Google Patents

Portalkran zum Verschieben für Lern- oder Industrieanwendungen Download PDF

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Publication number
EP2062845A2
EP2062845A2 EP08358014A EP08358014A EP2062845A2 EP 2062845 A2 EP2062845 A2 EP 2062845A2 EP 08358014 A EP08358014 A EP 08358014A EP 08358014 A EP08358014 A EP 08358014A EP 2062845 A2 EP2062845 A2 EP 2062845A2
Authority
EP
European Patent Office
Prior art keywords
carriage
lifting
translation
winch
gantry
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
EP08358014A
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English (en)
French (fr)
Other versions
EP2062845A3 (de
EP2062845B1 (de
Inventor
Claude Ledent
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.)
Ledent Machines Equipements (SARL)
Original Assignee
Ledent Machines Equipements (SARL)
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 Ledent Machines Equipements (SARL) filed Critical Ledent Machines Equipements (SARL)
Publication of EP2062845A2 publication Critical patent/EP2062845A2/de
Publication of EP2062845A3 publication Critical patent/EP2062845A3/de
Application granted granted Critical
Publication of EP2062845B1 publication Critical patent/EP2062845B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C5/00—Base supporting structures with legs
    • B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
    • 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
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads

Definitions

  • the present invention relates to a lifting crane and translation, for educational or industrial use.
  • a lifting crane for industrial and educational use comprising a carriage moving on a beam for support and guidance, the latter being supported by two feet with which it is a gantry which is, for example, mounted on wheels to ensure its displacement, said gantry further comprising a gripping tool attached to a stabilizing manipulator arm integral with the carriage, said stabilizer manipulator arm being actuated by a winch or a jack equipping said carriage.
  • a lifting station for educational use comprising a bracket mounted on a base and at the top of which is installed, remote from said base, a winch on a support articulated on one side by an axis and resting on the other side on dampers, the distance between the tilting support and the base allow the suspension of a load to winch cable, without interposing the deflection member between the winding pulley of the latter on which rolls said cable and said load suspended therefrom, as well as the vertical movement of the latter between said pulley and said base.
  • the devices described in the aforementioned documents are advantageously applicable in the fields of technical education and vocational training concerning lifting and handling techniques. They can also be used for professional purposes, in any industry requiring the controlled and secure handling of loads.
  • the present invention aims in particular to broaden the scope of functions provided by the lifting cranes and handling of the kind described in the document FR-2 676 724 , in order to make such gantries, more comprehensive didactic test and demonstration products and performance, in the field of physics, energy, electronics, automation and communication. These new features are also applicable to lifting and handling equipment that can be used in a variety of industries.
  • the invention is applicable to a lifting and translation gantry of the type described in the document FR-2 676 724 , comprising a beam constituting a horizontal axis and supported at its ends by poles preferably having a gooseneck shape. On this horizontal beam, is mounted a carriage supporting a winch on the drum which wraps a cable whose lower end is provided with a means for the suspension of loads of various weights and of various natures.
  • the lifting and the translation of the loads suspended with the winch can cause a more or less pronounced dangling of these loads.
  • the lifting and translation gantry comprises a means for detecting and controlling the ballast of the load suspended on the winch during the displacement of said loads, these means being arranged to remove this ballant or to limit the amplitude.
  • the balloon detection system is constituted by an analog-type fork and signal sensor, installed below the winch drum, so that the position of said cable is in the field of Measuring the sensor allows the detection of variations of this position, when moving the load.
  • the fork sensor emits signals that are operated by a safety device to stop or slow the translation movement of the truck, either in correction by the automation or in communication for the traceability of operation.
  • the gear motor ensuring the translation movements of the carriage is provided with a drive pinion meshing with a rack mounted floating along the horizontal beam of the gantry and whose ends are placed in support against force sensors.
  • force sensors make it possible to measure the torque of the geared motor and the forces due to the balloon or the driving load, for operation by the safety system, or by the automation, or for the recording of physical measurements.
  • the lifting gantry and translation is provided with a vertical displacement arm for supporting gripping tools or assembly, the vertical movements of this arm being provided by the winch cable which said arm is secured.
  • the lower end of this arm can be equipped with different types of interchangeable grippers, for educational work.
  • the winch is installed on a pivoting support is mounted on the carriage, this support being articulated via one of its sides, on said carriage, and resting, via its opposite side, on a load sensor also supported by the carriage.
  • the thresholds of overload or underload are controlled by the sensor.
  • the combination of the articulated winch with weighing sensor and the gripper arm is a particularly interesting device for stacking / unstacking.
  • the overload or underload thresholds being controlled by the sensor and the load transmitter, the difference recorded during docking indicates the lowering of the descent and the action of the gripping device. By this method, the storage height is immediately detected.
  • the system also highlights the differences in cycle repeatability.
  • the gantry lifting and translation is provided with a folding table to work, either lifting and translation with weights, or in handling, by gripping, for stacking exercise / unstacking , in the applications of the didactic field, so that the pupils thus have a work plan at height.
  • This lifting and translation gantry comprises a robust horizontal beam P supported, at its ends, by two posts or uprights M which can be straight or, preferably, in the shape of a gooseneck and which are braced, at their lower part, by a transom TR. It can be equipped, in lower part, a protection ramp R surrounding the moving area of the loads handled.
  • the carriage C can be equipped, to ensure its translational movement, of several types of interchangeable actuators. It makes it possible to test gearboxes 26, being of the type: wheel and screw, sun gear / parallel shaft, conical torque; these can be equipped with different types of motors 28 interchangeable or not, 30 encoders, their electrical connection is direct or multi-pin connectors.
  • the carriage C is equipped with a detection device 28 or contact for slowing stroke, end of travel, and overtravel of safety for both directions, and on a direction of a zero point of initialization.
  • the beam P is equipped in each direction, adjustable cams for slowdown detectors, fixed cams with deceleration ramps for the purposes of races, fixed cams for safety contacts, and stops 29.
  • the device ensuring the translation of the carriage C comprises a drive gear 3 meshing with a rack 3A fixed along the beam P.
  • This drive pinion 3 is coupled to an encoder 30 allowing provide speed or distance information.
  • the device is completed by a visual information 31, given by the apposition of a tape measure glued or otherwise fixed along the beam P.
  • the rack 3A is mounted floating on the beam P, that is to say that it can slide longitudinally along the latter.
  • the ends of this floating rack are placed in abutment against force sensors 4 which may consist of one or two strain gages, or by contacts or any other device transmitting signals or information that may be operated by a measuring system, allowing, for example, torque measurements, or dangling forces or driving load, or for controlling a safety system for example in case of overload.
  • the carriage supports a winch 1 comprising a drum 13 on which a cable 14 is wound.
  • the lower end or free end of the cable 14 is provided with a means allowing the suspension of loads of various weights and shapes and of various natures.
  • This means may be constituted by a safety swivel hook 15, which is suspended a basket 23-24 for receiving weights or loads 25.
  • the basket 23 has a damping system 24 consisting of Belleville spring washers .
  • the drum 13 is mounted on the shaft of a reversible gearbox with parallel shaft, coupled to an electric motor 12, provided with a parking brake active by lack of current, forced ventilation, an encoder 22 for vector control, or, for some exercises, a dynamotachymeter.
  • the rotational movement of the drum is transmitted by a set of gearing 16 to a screw / nut system 17 providing in its support, the linear displacement of a cam with several tracks 18. These are intended for contacts or detections of races: slowing down 19, end of travel 20, safety overtravel 21, or initialization zero point 22.
  • a screw / nut system 17 providing in its support, the linear displacement of a cam with several tracks 18. These are intended for contacts or detections of races: slowing down 19, end of travel 20, safety overtravel 21, or initialization zero point 22.
  • an encoder 29 for speed or distance control, the assembly is streamlined .
  • the winch 1 is mounted on a support, for example constituted by an articulated plate 10, via one of its sides and by means of hinges 10A on the carriage C, and resting, via its opposite side, on a load sensor 11 also supported by said carriage.
  • the side of the hinged support opposite the side thereof provided with the hinges 10A is integral with a bearing point consisting of a ball joint ( figures 1-3 ).
  • the winch 1 disposed between the hinges and the support ball joint transmits the force exerted by the load, either to a strain gauge 11 for load measurement / or torque image, or to a spring, or to a damper, or to a sensor and / or to one or more contacts that can be used safely.
  • the gantry for lifting and translation is provided with a balloon detection and control system, consisting of a device making it possible to situate, statically and dynamically, the position of the cable 14 in a field measuring device, at the output of the drum 13 of the winch 1.
  • the balloon detection system can be constituted by a fork sensor 2 and analog type signal, disposed below the drum 13 of the winch 1 and between the two branches which passes the vertical part unwound of the cable 14 said winch.
  • the measurement information resulting from this detection system is exploited by an automatism known per se, for correction or safety intervention.
  • the figure 10 illustrates the method of managing the movement of the winch 1.
  • the carriage C can be arranged to constitute a means for guiding a vertical arm 5 movable axially and able to move in translation with said carriage.
  • the lower end of this arm is provided with a gripping tool holder 8 suspended from the hook 15 of the winch 1 and said arm is for example guided vertically by grooved rollers 9 carried by a vertical face of the carriage.
  • the combination of the winch 1 mounted on a tilting support acting on the weighing sensor 11, with the gripper arm 5, is a particularly advantageous device stacking / unstacking.
  • the overload or underload thresholds being controlled by the sensor and load transmitter, the difference recorded during the docking, indicates the stop descent and controls the action of the gripping device.
  • the gripping device 5-8 is extended, in the upper part, of a cable sheath 6 and is provided with multi-pin plugs 7 so as to make it removable. It is equipped for the practical work of interchangeable grippers: pneumatic, magnetic, or empty.
  • the lifting and translation gantry is equipped for these exercises with a folding table TA ( figure 9 ).
  • This folding table TA allows you to work, either in gripping mode ( figure 6 ), either in lifting mode ( figure 1 ).
  • the architecture of the gantry is broken down into distinct and separate subsets, namely: - operating part, and - control parts or one or more independent boxes 34, 35,36.
  • All the engines and control controls on board the truck is brought, through a cable chain 31, located at the rear of the beam, to a grouping box 32. This ensures both the general power supply of the system with its mandatory protections, and the interconnection connection of the external control box or cabinets 33.
  • These independent boxes 34-35-36 are mounted on feet, the electrical connections are under protective sheaths 33 and connected to the operational part by multi-pin plugs ( figure 11 ). This system makes it possible to work several pupils in separate spots or to interchange these boxes with boxes made by the students.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Control And Safety Of Cranes (AREA)
  • Jib Cranes (AREA)
  • Types And Forms Of Lifts (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP08358014.2A 2007-11-20 2008-11-19 Portalkran zum Verschieben für Lern- oder Industrieanwendungen Not-in-force EP2062845B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0708123A FR2923819A1 (fr) 2007-11-20 2007-11-20 Portique pedagogique.

Publications (3)

Publication Number Publication Date
EP2062845A2 true EP2062845A2 (de) 2009-05-27
EP2062845A3 EP2062845A3 (de) 2009-12-09
EP2062845B1 EP2062845B1 (de) 2015-11-18

Family

ID=40428162

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08358014.2A Not-in-force EP2062845B1 (de) 2007-11-20 2008-11-19 Portalkran zum Verschieben für Lern- oder Industrieanwendungen

Country Status (2)

Country Link
EP (1) EP2062845B1 (de)
FR (1) FR2923819A1 (de)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104200737A (zh) * 2014-08-01 2014-12-10 武汉商学院 一种课堂机械传动机构综合演示台
CN105110034A (zh) * 2015-09-17 2015-12-02 湖州南浔双林振森实木加工厂 固定式吊装装置
CN105776030A (zh) * 2016-04-17 2016-07-20 昆山克鲁克机电设备有限公司 改进的双梁起重机嵌入式小车架
CN106144901A (zh) * 2016-08-20 2016-11-23 成都馨迪璐莎科技有限公司 一种多功能新型龙门架
CN106847055A (zh) * 2017-01-18 2017-06-13 山东省特种设备检验研究院泰安分院 一种起重机械金属结构应力应变测试演示装置
CN106882709A (zh) * 2017-03-23 2017-06-23 合肥迅达电器有限公司 一种防打结的电动单梁起重机
CN107342013A (zh) * 2017-02-20 2017-11-10 苏州市职业大学 一种教学用自适应气动装置
CN107826737A (zh) * 2017-11-17 2018-03-23 中车洛阳机车有限公司 一种机车制动盘组件上下料自动抓取机械手
US10315890B2 (en) 2013-12-12 2019-06-11 Konecranes Global Corporation Arrangement for damping oscillation of loading member in crane
CN110713119A (zh) * 2019-11-15 2020-01-21 安徽省路港工程有限责任公司 一种人工挖孔桩运输井架
CN110759248A (zh) * 2019-10-29 2020-02-07 上海宝冶集团有限公司 一种液压站主泵电机辅助更换装置
CN111099503A (zh) * 2019-11-06 2020-05-05 武汉理工大学 夹持环绕式运输起重机及其运输方法
CN111608249A (zh) * 2020-06-02 2020-09-01 北京华路顺工程咨询有限公司 一种市政道路下水管施工设备及其施工方法
CN113353106A (zh) * 2020-03-04 2021-09-07 长沙戴卡科技有限公司 一种铝样送检运输装置
CN113716466A (zh) * 2021-09-17 2021-11-30 中交二航局第四工程有限公司 一种新的节段拼装架桥机荷载试验的加载方法
CN114743452A (zh) * 2022-04-08 2022-07-12 华中科技大学 一种塔吊顶升作业模型
CN115744649A (zh) * 2022-06-29 2023-03-07 四川大学 一种可折叠起重转运装置
CN117566579A (zh) * 2023-11-20 2024-02-20 江苏悦达绿色建筑科技有限公司 一种装配式建筑吊装设备

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CN102750856B (zh) * 2012-05-30 2014-07-02 浙江科技学院 连续梁实验模型
CN102750868B (zh) * 2012-05-30 2014-01-29 浙江科技学院 门式刚架实验模型
CN105810044A (zh) * 2014-12-28 2016-07-27 王莉 文学写作的语法基础存储辅导装置
CN108766194A (zh) * 2018-05-30 2018-11-06 北方工业大学 一种模块化机械传动教具
CN109179236B (zh) * 2018-08-30 2023-12-01 成都产品质量检验研究院有限责任公司 母线槽垂直状态温升试验半自动自平衡提升装置
CN109019419A (zh) * 2018-09-11 2018-12-18 王成 一种汽车维修用吊架
CN110491271B (zh) * 2019-08-02 2021-05-21 安徽盛鸿展览工程有限公司 一种机械韵律演示装置用演示球提升分流机构
CN111932988B (zh) * 2020-08-31 2022-05-06 重庆工程职业技术学院 一种旅游管理教学展示装置
CN113071994A (zh) * 2021-03-01 2021-07-06 江苏省海通索具有限公司 核电站发电机定子吊装构架系统
EP4463686A4 (de) * 2022-01-10 2026-01-14 Capital Formation Inc System und verfahren zur bestimmung der last auf einem windenhaken
CN116380509B (zh) * 2023-03-09 2023-10-20 江苏省特种设备安全监督检验研究院 起重机多工况模拟试验方法及模拟试验系统

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Publication number Priority date Publication date Assignee Title
FR2676724A1 (fr) 1991-05-24 1992-11-27 Ledent Claude Portique de levage a usage industriel et pedagogique.
FR2816744A1 (fr) 2000-11-15 2002-05-17 Ledent Machines Equipements So Station de levage a but pedagogique

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DE3513007A1 (de) * 1984-04-11 1985-12-19 Hitachi, Ltd., Tokio/Tokyo Verfahren und anordnung zur automatischen steuerung eines krans
FR2571867B1 (fr) * 1984-10-11 1987-01-09 Bertin & Cie Procede et dispositif pour limiter le ballant d'une charge librement suspendue sous un support mobile.
JPH10139369A (ja) * 1996-11-08 1998-05-26 Mitsubishi Heavy Ind Ltd 吊荷の振れ止め制御装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676724A1 (fr) 1991-05-24 1992-11-27 Ledent Claude Portique de levage a usage industriel et pedagogique.
FR2816744A1 (fr) 2000-11-15 2002-05-17 Ledent Machines Equipements So Station de levage a but pedagogique

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10315890B2 (en) 2013-12-12 2019-06-11 Konecranes Global Corporation Arrangement for damping oscillation of loading member in crane
CN104200737A (zh) * 2014-08-01 2014-12-10 武汉商学院 一种课堂机械传动机构综合演示台
CN105110034A (zh) * 2015-09-17 2015-12-02 湖州南浔双林振森实木加工厂 固定式吊装装置
CN105776030A (zh) * 2016-04-17 2016-07-20 昆山克鲁克机电设备有限公司 改进的双梁起重机嵌入式小车架
CN106144901A (zh) * 2016-08-20 2016-11-23 成都馨迪璐莎科技有限公司 一种多功能新型龙门架
CN106847055B (zh) * 2017-01-18 2023-01-20 山东省特种设备检验研究院泰安分院 一种起重机械金属结构应力应变测试演示装置
CN106847055A (zh) * 2017-01-18 2017-06-13 山东省特种设备检验研究院泰安分院 一种起重机械金属结构应力应变测试演示装置
CN107342013A (zh) * 2017-02-20 2017-11-10 苏州市职业大学 一种教学用自适应气动装置
CN106882709A (zh) * 2017-03-23 2017-06-23 合肥迅达电器有限公司 一种防打结的电动单梁起重机
CN107826737A (zh) * 2017-11-17 2018-03-23 中车洛阳机车有限公司 一种机车制动盘组件上下料自动抓取机械手
CN107826737B (zh) * 2017-11-17 2024-05-17 中车洛阳机车有限公司 一种机车制动盘组件上下料自动抓取机械手
CN110759248A (zh) * 2019-10-29 2020-02-07 上海宝冶集团有限公司 一种液压站主泵电机辅助更换装置
CN111099503B (zh) * 2019-11-06 2020-11-03 武汉理工大学 夹持环绕式运输起重机及其运输方法
CN111099503A (zh) * 2019-11-06 2020-05-05 武汉理工大学 夹持环绕式运输起重机及其运输方法
CN110713119A (zh) * 2019-11-15 2020-01-21 安徽省路港工程有限责任公司 一种人工挖孔桩运输井架
CN113353106A (zh) * 2020-03-04 2021-09-07 长沙戴卡科技有限公司 一种铝样送检运输装置
CN113353106B (zh) * 2020-03-04 2023-11-07 长沙戴卡科技有限公司 一种铝样送检运输装置
CN111608249A (zh) * 2020-06-02 2020-09-01 北京华路顺工程咨询有限公司 一种市政道路下水管施工设备及其施工方法
CN113716466A (zh) * 2021-09-17 2021-11-30 中交二航局第四工程有限公司 一种新的节段拼装架桥机荷载试验的加载方法
CN114743452A (zh) * 2022-04-08 2022-07-12 华中科技大学 一种塔吊顶升作业模型
CN115744649A (zh) * 2022-06-29 2023-03-07 四川大学 一种可折叠起重转运装置
CN115744649B (zh) * 2022-06-29 2025-09-02 四川大学 一种可折叠起重转运装置
CN117566579A (zh) * 2023-11-20 2024-02-20 江苏悦达绿色建筑科技有限公司 一种装配式建筑吊装设备

Also Published As

Publication number Publication date
EP2062845A3 (de) 2009-12-09
EP2062845B1 (de) 2015-11-18
FR2923819A1 (fr) 2009-05-22

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