EP1772419A3 - Reach fork lift truck - Google Patents

Reach fork lift truck Download PDF

Info

Publication number
EP1772419A3
EP1772419A3 EP06019314A EP06019314A EP1772419A3 EP 1772419 A3 EP1772419 A3 EP 1772419A3 EP 06019314 A EP06019314 A EP 06019314A EP 06019314 A EP06019314 A EP 06019314A EP 1772419 A3 EP1772419 A3 EP 1772419A3
Authority
EP
European Patent Office
Prior art keywords
mast
mast holder
switching
sensor
holder
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
EP06019314A
Other languages
German (de)
French (fr)
Other versions
EP1772419B1 (en
EP1772419A2 (en
Inventor
Michael Dipl.-Ing. Knieriem
Nis-Georg Dipl.-Ing. Nissen
Manfred Dipl.-Ing. Zoske
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
Application filed by Jungheinrich AG filed Critical Jungheinrich AG
Publication of EP1772419A2 publication Critical patent/EP1772419A2/en
Publication of EP1772419A3 publication Critical patent/EP1772419A3/en
Application granted granted Critical
Publication of EP1772419B1 publication Critical patent/EP1772419B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B66F9/08—Masts; Guides; Chains
    • B66F9/10—Masts; Guides; Chains movable in a horizontal direction relative to truck
    • 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
    • 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
    • B66F9/08—Masts; Guides; Chains
    • B66F9/082—Masts; Guides; Chains inclinable
    • 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
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/24—Electrical devices or systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

Schubmaststapler mit einem Antriebsteil, von dem sich parallel beabstandete Rastarme forterstrecken und einem Masthalter für einen Hubmast, der mittels eines steuerbaren Masthalterantriebs entlang von Führungen in den Radarmen zwischen einer vorderen und einer hinteren Endposition verfahrbar ist, wobei die Endpositionen durch mechanische Anschläge begrenzt sind, gekennzeichnet durch folgende weitere Merkmale:
- eine Grundplatte (10) des Antriebsteils, die im hinteren Bereich und vorderen Bereich mindestens eine querverlaufende Schaltkante (16) aufweist,
- ein zur Grundplatte (10) hingerichteter am Masthalter oder am Mast angebrachter Sensor (18), der ein Schaltsignal erzeugt, wenn er eine Schaltkante (14,16) überfährt,
- die Schaltkanten (14,16) sind so angeordnet, daß der Masthalter nahe einem Endanschlag ist, wenn der Sensor (18) eine Schaltkante (14,16) überfährt, und
- der steuerbare Masthalterantrieb ist so ausgelegt, daß die Geschwindigkeit reduziert wird, wenn der Sensor (18) bei Annäherung des Masthalters an eine Endposition ein Schaltsignal erzeugt.

Figure imgaf001
Reach truck with a drive part, of which forterstrecken parallel spaced latching arms and a mast holder for a mast which is movable by means of a controllable mast holder drive along guides in the Radarmen between a front and a rear end position, wherein the end positions are limited by mechanical stops, characterized by the following additional features:
a base plate (10) of the drive part, which has at least one transverse switching edge (16) in the rear area and the front area,
a sensor (18) attached to the base plate (10) and mounted on the mast holder or on the mast, which generates a switching signal when it passes over a switching edge (14, 16),
- The switching edges (14,16) are arranged so that the mast holder is near an end stop when the sensor (18) passes over a switching edge (14,16), and
- The controllable mast holder drive is designed so that the speed is reduced when the sensor (18) generates a switching signal when approaching the mast holder to an end position.
Figure imgaf001
EP20060019314 2005-10-06 2006-09-15 Reach fork lift truck Active EP1772419B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510048355 DE102005048355A1 (en) 2005-10-06 2005-10-06 Reach truck

Publications (3)

Publication Number Publication Date
EP1772419A2 EP1772419A2 (en) 2007-04-11
EP1772419A3 true EP1772419A3 (en) 2008-08-06
EP1772419B1 EP1772419B1 (en) 2011-04-20

Family

ID=37461578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060019314 Active EP1772419B1 (en) 2005-10-06 2006-09-15 Reach fork lift truck

Country Status (3)

Country Link
EP (1) EP1772419B1 (en)
CN (1) CN1982197B (en)
DE (2) DE102005048355A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102756995A (en) * 2011-04-23 2012-10-31 永恒力集团 Reach lift truck

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100974226B1 (en) 2007-03-23 2010-08-06 엘지전자 주식회사 Backside surface passivation and reflection layer for Si solar cell by high-k dielectrics
WO2016043998A1 (en) 2014-09-15 2016-03-24 Crown Equipment Corporation Lift truck with optical load sensing structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1270495B (en) * 1963-03-22 1968-06-12 Lancers Machinery Ltd Side loader with indented chassis
DE2609029A1 (en) * 1976-03-05 1977-09-08 Jungheinrich Kg Reach mast truck with folding lift frame - has detector for obstacle in gap between truck body and lift frame
US20050042068A1 (en) * 2003-08-18 2005-02-24 Ronald Ehmen Forklift with stabilizing forks

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3178407B2 (en) * 1998-03-18 2001-06-18 株式会社豊田自動織機製作所 Position detecting device for industrial vehicle and industrial vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1270495B (en) * 1963-03-22 1968-06-12 Lancers Machinery Ltd Side loader with indented chassis
DE2609029A1 (en) * 1976-03-05 1977-09-08 Jungheinrich Kg Reach mast truck with folding lift frame - has detector for obstacle in gap between truck body and lift frame
US20050042068A1 (en) * 2003-08-18 2005-02-24 Ronald Ehmen Forklift with stabilizing forks

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102756995A (en) * 2011-04-23 2012-10-31 永恒力集团 Reach lift truck
CN102756995B (en) * 2011-04-23 2016-07-06 永恒力股份公司 Extension type raises fork truck

Also Published As

Publication number Publication date
EP1772419B1 (en) 2011-04-20
DE102005048355A1 (en) 2007-04-12
CN1982197A (en) 2007-06-20
EP1772419A2 (en) 2007-04-11
CN1982197B (en) 2010-05-26
DE502006009335D1 (en) 2011-06-01

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