EP1447377A1 - Procédé pour faire fonctionner un chariot élévateur - Google Patents

Procédé pour faire fonctionner un chariot élévateur Download PDF

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Publication number
EP1447377A1
EP1447377A1 EP04001275A EP04001275A EP1447377A1 EP 1447377 A1 EP1447377 A1 EP 1447377A1 EP 04001275 A EP04001275 A EP 04001275A EP 04001275 A EP04001275 A EP 04001275A EP 1447377 A1 EP1447377 A1 EP 1447377A1
Authority
EP
European Patent Office
Prior art keywords
load
drive
height
suspension device
maximum
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
EP04001275A
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German (de)
English (en)
Other versions
EP1447377B1 (fr
Inventor
Uwe Dipl.-Ing. Allerding
Matthias Dipl.-Ing. Düwel
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.)
Jungheinrich AG
Original Assignee
Jungheinrich AG
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
Family has litigation
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Application filed by Jungheinrich AG filed Critical Jungheinrich AG
Publication of EP1447377A1 publication Critical patent/EP1447377A1/fr
Application granted granted Critical
Publication of EP1447377B1 publication Critical patent/EP1447377B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/0755—Position control; Position detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/003—Safety devices, e.g. for limiting or indicating lifting force for fork-lift trucks

Definitions

  • the invention relates to a method for operating a truck according to the Preamble of claim 1.
  • So-called reach trucks have a mast on which the load handler is attached is adjustable in height and with the help of a suitable hydraulic Drive away from the drive part or can be moved towards it (mast thrust). About that In addition, the mast's inclination can be changed with the aid of a tilt drive. The load suspension device can also move laterally relative to the mast become (sideshift). In addition, special reach trucks are known where the entire load handler is up to 90 ° from the starting position can be pivoted. Corresponding drives are also provided for this. Finally, it is also known the inclination of the fork of the load handler to change.
  • Such forklifts are used in warehouses in which the loads are sometimes very great heights have to be transported. That is why the masts have such Stacker one or two mast shots to extend to a height of 12 m or more to be able to.
  • Such vehicles are naturally with a Provide travel drive. The stability of such vehicles depends, among other things. from the Height of the mast or the mast receiving means, the mast inclination and of course also from the load weight. It is known the drive speed or the Cornering speed depending on the load weight and / or the height of the To change the load handler.
  • the invention has for its object a method for operating a truck specify with which the throughput can be increased.
  • the height of the load suspension device is gradually and / or continuously measured and the maximum acceleration / deceleration and / or the maximum speed of at least one drive is reduced increasing height of the load handler.
  • the load weight on the load suspension device measured and the maximum acceleration / deceleration and / or the maximum The speed of at least one drive becomes less heavy increased.
  • the functions of the speed of one or more Drives depending on the height of the load handler and the load weight can also be linked to a linking function to provide an optimal Handling operations with sufficient security.
  • the functions of the load suspension device or the mast described are also described as secondary functions with the exception of the lifting function, which is also called Main function is called.
  • Main function which is also called Main function.
  • all secondary function speeds can and / or accelerations / decelerations of the auxiliary function drives controlled depending on the load and / or the lifting height to achieve maximum handling performance.
  • the functions shown in Figures 1 to 4 represent the secondary function speed generally represents, but also single speeds the drives for the mast thrust, the fork inclination, the side shifting of the Load suspension device, etc. can be controlled.
  • Fig. 1 it can be seen that at the maximum height of a load suspension device the speed does not exceed v1.
  • a lower amount of Load suspension means measured, for example gradually using switches on the mast, there is a larger possible height at heights h1 and h2 Speed for the secondary functions.
  • the hatched area gives that Speed advantage again.
  • the speed can of course also change depending on the load weight be what is shown in Figures 3 and 4. Will the load weight measured step by step, for example, there is a gradual increase possibility of the secondary function speeds according to FIG. 3.
  • a continuous Load weight sensing is a continuous adjustment of the Speed of secondary functions possible (Fig. 4).
  • Crucial for stability a truck, insofar as it is adjusted by the auxiliary functions is touched is even more the dynamics that change with a speed results, i.e. the acceleration and deceleration of each Drive moving masses.
  • the decisive factor is the acceleration or the delay in the movement of a secondary function.
  • the acceleration usually takes place via the torque of the drive motor. The higher that Drive torque, the greater the acceleration.
  • the delay depends from the braking torque.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP20040001275 2003-02-12 2004-01-22 Procédé pour faire fonctionner un chariot élévateur Revoked EP1447377B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003105671 DE10305671A1 (de) 2003-02-12 2003-02-12 Verfahren zum Betrieb eines Staplers
DE10305671 2003-02-12

Publications (2)

Publication Number Publication Date
EP1447377A1 true EP1447377A1 (fr) 2004-08-18
EP1447377B1 EP1447377B1 (fr) 2008-07-09

Family

ID=32668023

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040001275 Revoked EP1447377B1 (fr) 2003-02-12 2004-01-22 Procédé pour faire fonctionner un chariot élévateur

Country Status (3)

Country Link
EP (1) EP1447377B1 (fr)
CN (1) CN100381350C (fr)
DE (2) DE10305671A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2110293A3 (fr) * 2008-04-16 2010-06-02 The Raymond Corporation Transpalette à hauteur de tablier porte-fourche calculée
EP3102529A1 (fr) * 2014-06-20 2016-12-14 Cascade Corporation Limiteur de déplacement latéral
CN114787073A (zh) * 2019-12-03 2022-07-22 株式会社丰田自动织机 工业车辆
CN114787073B (zh) * 2019-12-03 2024-09-24 株式会社丰田自动织机 工业车辆

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2857345B1 (fr) 2013-10-07 2017-04-26 Hyster-Yale Group, Inc. Chariot élévateur
DE102014115152B4 (de) * 2014-10-17 2023-09-28 Jungheinrich Aktiengesellschaft Schubmaststapler
CN106516529A (zh) * 2016-12-15 2017-03-22 合肥捷曼信息科技有限公司 一种基于压力传感器的穿梭车控制方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0343839A2 (fr) * 1988-05-26 1989-11-29 The Raymond Corporation Système de commande pour chariot élévateur
EP0498610A2 (fr) * 1991-02-05 1992-08-12 Mitsubishi Jukogyo Kabushiki Kaisha Dispositif de contrôle pour engins de travail
US5146746A (en) * 1989-11-20 1992-09-15 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Loading/unloading control apparatus for industrial vehicles
EP0878440A2 (fr) * 1997-05-15 1998-11-18 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Dispositif de contrÔle du basculement pour chariot élévateur à fourche
EP0921021A2 (fr) * 1997-12-02 1999-06-09 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Procédé et dispositif de réglage pour essieu oscillant de véhicules utilitaires
EP0924160A2 (fr) * 1997-12-15 1999-06-23 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Commande du mécanisme de levage et méthode de commande pour véhicules industriels
EP1136433A2 (fr) * 2000-03-22 2001-09-26 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Chariot élévateur avec un dispositif de mesure du moment de la charge et procédé associé

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3074896B2 (ja) * 1992-02-18 2000-08-07 株式会社豊田自動織機製作所 フォークリフトにおけるティルトシリンダの油圧制御装置
JPH0812298A (ja) * 1994-07-05 1996-01-16 Toyota Autom Loom Works Ltd バッテリ式産業車両における荷役制御装置
KR100200187B1 (ko) * 1996-03-19 1999-06-15 이소가이 치세이 산업 차량의 제어 장치
EP0866027B1 (fr) * 1997-03-21 2004-05-26 Kabushiki Kaisha Toyota Jidoshokki Appareil de contrôle hydraulique de véhicules industriels
JPH10338496A (ja) * 1997-06-11 1998-12-22 Toyota Autom Loom Works Ltd 産業車両の揺動制御装置及び前後重心位置推定装置
GB2326869A (en) * 1997-07-02 1999-01-06 Lansing Linde Ltd Industrial masted lift truck
JP3794125B2 (ja) * 1997-09-18 2006-07-05 株式会社豊田自動織機 産業車両のティルトシリンダ制御装置
KR100523158B1 (ko) * 1997-09-30 2005-10-24 크라운 이큅먼트 코포레이션 생산성 패키지
JP3301416B2 (ja) * 1999-08-23 2002-07-15 株式会社豊田自動織機 産業車両におけるマスト傾動速度制御装置
DE10013083A1 (de) * 2000-03-01 2001-09-06 Fiat Om Carrelli Elevatori Flurförderzeug mit einer Hubvorrichtung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0343839A2 (fr) * 1988-05-26 1989-11-29 The Raymond Corporation Système de commande pour chariot élévateur
US5146746A (en) * 1989-11-20 1992-09-15 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Loading/unloading control apparatus for industrial vehicles
EP0498610A2 (fr) * 1991-02-05 1992-08-12 Mitsubishi Jukogyo Kabushiki Kaisha Dispositif de contrôle pour engins de travail
EP0878440A2 (fr) * 1997-05-15 1998-11-18 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Dispositif de contrÔle du basculement pour chariot élévateur à fourche
EP0921021A2 (fr) * 1997-12-02 1999-06-09 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Procédé et dispositif de réglage pour essieu oscillant de véhicules utilitaires
EP0924160A2 (fr) * 1997-12-15 1999-06-23 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Commande du mécanisme de levage et méthode de commande pour véhicules industriels
EP1136433A2 (fr) * 2000-03-22 2001-09-26 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Chariot élévateur avec un dispositif de mesure du moment de la charge et procédé associé

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2110293A3 (fr) * 2008-04-16 2010-06-02 The Raymond Corporation Transpalette à hauteur de tablier porte-fourche calculée
US8230976B2 (en) 2008-04-16 2012-07-31 The Raymond Corporation Pallet truck with calculated fork carriage height
EP3102529A1 (fr) * 2014-06-20 2016-12-14 Cascade Corporation Limiteur de déplacement latéral
EP3102529A4 (fr) * 2014-06-20 2017-04-05 Cascade Corporation Limiteur de déplacement latéral
USRE49025E1 (en) 2014-06-20 2022-04-12 Cascade Corporation Side-shift limiter
CN114787073A (zh) * 2019-12-03 2022-07-22 株式会社丰田自动织机 工业车辆
US20220411246A1 (en) * 2019-12-03 2022-12-29 Kabushiki Kaisha Toyota Jidoshokki Industrial vehicle
CN114787073B (zh) * 2019-12-03 2024-09-24 株式会社丰田自动织机 工业车辆

Also Published As

Publication number Publication date
EP1447377B1 (fr) 2008-07-09
CN1521113A (zh) 2004-08-18
CN100381350C (zh) 2008-04-16
DE502004007526D1 (de) 2008-08-21
DE10305671A1 (de) 2004-08-26

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