EP1555238A3 - Trolley with a drive - Google Patents

Trolley with a drive Download PDF

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Publication number
EP1555238A3
EP1555238A3 EP04028399A EP04028399A EP1555238A3 EP 1555238 A3 EP1555238 A3 EP 1555238A3 EP 04028399 A EP04028399 A EP 04028399A EP 04028399 A EP04028399 A EP 04028399A EP 1555238 A3 EP1555238 A3 EP 1555238A3
Authority
EP
European Patent Office
Prior art keywords
drive wheel
drive
spring
spring assembly
trolley
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
EP04028399A
Other languages
German (de)
French (fr)
Other versions
EP1555238B1 (en
EP1555238A2 (en
Inventor
Marcel Krenzin
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 EP1555238A2 publication Critical patent/EP1555238A2/en
Publication of EP1555238A3 publication Critical patent/EP1555238A3/en
Application granted granted Critical
Publication of EP1555238B1 publication Critical patent/EP1555238B1/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
    • B66F9/07586—Suspension or mounting of wheels on chassis

Abstract

Flurförderzeug mit einem Fahrantrieb, der ein einziges Antriebsrad (12) antreibt, das zugleich als gelenktes Rad um eine vertikale Achse schwenkbar gelagert ist und eine unnachgiebige Bereifung aufweist, wobei bei Flurförderzeugen mit lastabhängiger Antriebsachslast das Antriebsrad über eine Federanordnung (20) mit steifer Federcharakteristik am Chassis (10) abgestützt ist, wobei die Federkonstante der Federanordnung (20) wie folgt festgelegt wird:

Figure imga0001
wobei F die jeweilige Andrückkraft des Antriebsrades (12) ist.
Figure imgaf001
Truck with a traction drive that drives a single drive wheel (12), which is also pivotally mounted as a steered wheel about a vertical axis and has unyielding tires, in industrial trucks with load-dependent Antriebsachslast the drive wheel via a spring assembly (20) with stiff spring characteristic on Chassis (10) is supported, wherein the spring constant of the spring assembly (20) is set as follows:
Figure imga0001
 where F is the respective pressing force of the drive wheel (12).
Figure imgaf001
EP04028399A 2004-01-16 2004-12-01 Trolley with a drive Active EP1555238B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004002188 2004-01-16
DE102004002188A DE102004002188A1 (en) 2004-01-16 2004-01-16 Truck with traction drive and ride-along

Publications (3)

Publication Number Publication Date
EP1555238A2 EP1555238A2 (en) 2005-07-20
EP1555238A3 true EP1555238A3 (en) 2007-08-22
EP1555238B1 EP1555238B1 (en) 2010-10-13

Family

ID=34609572

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04028399A Active EP1555238B1 (en) 2004-01-16 2004-12-01 Trolley with a drive

Country Status (5)

Country Link
US (1) US20050156391A1 (en)
EP (1) EP1555238B1 (en)
CN (1) CN100393607C (en)
DE (2) DE102004002188A1 (en)
ES (1) ES2349634T3 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004030113B4 (en) * 2004-06-22 2021-03-04 Linde Material Handling Gmbh Pallet truck with a height-adjustable swivel castor
DE102008016493B4 (en) 2008-03-31 2022-10-27 Linde Material Handling Gmbh industrial truck, in particular lifting truck
DE102012106626B3 (en) 2012-07-20 2013-09-26 Krauss-Maffei Wegmann Gmbh & Co. Kg Weapon platform, military vehicle with a weapons platform and method of operating a weapons platform
US9296273B2 (en) 2013-10-14 2016-03-29 Agco Corporation Machine suspension and height adjustment
US9079470B2 (en) * 2013-10-14 2015-07-14 Agco Corporation Vehicle with chassis height adjustment
US10315900B2 (en) * 2014-04-01 2019-06-11 The Raymond Corporation Caster wheel with constant force mechanism
US9593003B2 (en) * 2014-04-01 2017-03-14 The Raymond Corporation Caster wheel with constant force mechanism
US9533863B2 (en) * 2014-10-23 2017-01-03 Jungheinrich Aktiengesellschaft Industrial truck
DE102016207526A1 (en) 2016-05-02 2017-11-02 Jungheinrich Aktiengesellschaft Industrial truck with a device for reducing vibrations
DE102016207523A1 (en) 2016-05-02 2017-11-02 Jungheinrich Aktiengesellschaft Industrial truck with a device for reducing transverse vibrations
DE102016208205A1 (en) 2016-05-12 2017-11-16 Jungheinrich Aktiengesellschaft Industrial truck with a device for reducing vibrations
DE102016209893A1 (en) 2016-06-06 2017-12-07 Jungheinrich Aktiengesellschaft Industrial truck with a device for reducing vibrations
DE102016211390A1 (en) 2016-06-24 2017-12-28 Jungheinrich Aktiengesellschaft Industrial truck with means for suppressing or reducing vibrations
DE102016211603A1 (en) 2016-06-28 2017-12-28 Jungheinrich Aktiengesellschaft Support device with a device for reducing vibrations
CN109406077A (en) * 2018-11-30 2019-03-01 沈阳仪表科学研究院有限公司 Bellows lateral stiffness test device
DE102020205606A1 (en) * 2020-05-04 2021-11-04 Jungheinrich Aktiengesellschaft HORSE CONVEYOR
DE102021114066A1 (en) 2021-05-31 2022-12-01 Jungheinrich Aktiengesellschaft Chassis cylinder for an industrial truck with a drive wheel that is pretensioned relative to the ground
CN113371640B (en) * 2021-08-12 2021-10-26 山东山宇重工机械有限公司 Multifunctional small-sized hydraulic pallet truck

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1431709A1 (en) * 1964-03-24 1968-12-05 Lansing Bagnall Ltd Industrial loader
DE3106027A1 (en) * 1981-02-19 1982-09-02 Jungheinrich Unternehmensverwaltung Kg, 2000 Hamburg "LIFT LOADER WITH A HEIGHT-COMPENSATING MEDIUM DRIVE"
US4431084A (en) * 1981-05-06 1984-02-14 Clark Equipment Company Industrial truck
EP1215164A1 (en) * 2000-12-15 2002-06-19 Still Gmbh Industrial truck with a resilient suspended driving axle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3424475A (en) * 1967-11-15 1969-01-28 Raymond Corp Lift truck suspension system
SE449482B (en) * 1985-07-08 1987-05-04 Bygg Och Transportekonomie Ab DEVICE FOR OPENING THE BRAKE FORM OF INDUSTRIAL TRUCKS
DE4227954C2 (en) * 1992-08-22 1996-03-14 Jungheinrich Ag Three-wheel industrial truck
KR100415203B1 (en) * 2000-01-14 2004-01-16 가부시키가이샤 도요다 지도숏키 Suspension device of industrial vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1431709A1 (en) * 1964-03-24 1968-12-05 Lansing Bagnall Ltd Industrial loader
DE3106027A1 (en) * 1981-02-19 1982-09-02 Jungheinrich Unternehmensverwaltung Kg, 2000 Hamburg "LIFT LOADER WITH A HEIGHT-COMPENSATING MEDIUM DRIVE"
US4431084A (en) * 1981-05-06 1984-02-14 Clark Equipment Company Industrial truck
EP1215164A1 (en) * 2000-12-15 2002-06-19 Still Gmbh Industrial truck with a resilient suspended driving axle

Also Published As

Publication number Publication date
US20050156391A1 (en) 2005-07-21
DE102004002188A1 (en) 2005-08-11
EP1555238B1 (en) 2010-10-13
DE502004011772D1 (en) 2010-11-25
EP1555238A2 (en) 2005-07-20
CN1640806A (en) 2005-07-20
CN100393607C (en) 2008-06-11
ES2349634T3 (en) 2011-01-07

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