EP0189139A1 - Chariot élévateur à fourche articulée à quatre roues motrices - Google Patents

Chariot élévateur à fourche articulée à quatre roues motrices Download PDF

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Publication number
EP0189139A1
EP0189139A1 EP86100583A EP86100583A EP0189139A1 EP 0189139 A1 EP0189139 A1 EP 0189139A1 EP 86100583 A EP86100583 A EP 86100583A EP 86100583 A EP86100583 A EP 86100583A EP 0189139 A1 EP0189139 A1 EP 0189139A1
Authority
EP
European Patent Office
Prior art keywords
counterweight
articulated
stacking vehicle
vehicle according
wheel drive
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
EP86100583A
Other languages
German (de)
English (en)
Other versions
EP0189139B1 (fr
Inventor
Ernst Hilden
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.)
JUMBO-Gabelstapler Urbaner
Original Assignee
Jumbo-Gabelstapler Urbaner GmbH
JUMBO GABELSTAPLER URBANER GES
JUMBO-Gabelstapler Urbaner
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 Jumbo-Gabelstapler Urbaner GmbH, JUMBO GABELSTAPLER URBANER GES, JUMBO-Gabelstapler Urbaner filed Critical Jumbo-Gabelstapler Urbaner GmbH
Priority to AT86100583T priority Critical patent/ATE34723T1/de
Publication of EP0189139A1 publication Critical patent/EP0189139A1/fr
Application granted granted Critical
Publication of EP0189139B1 publication Critical patent/EP0189139B1/fr
Expired 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
    • B66F9/07554—Counterweights

Definitions

  • the invention relates to an articulated stacking vehicle of the type specified in the preamble of claim 1.
  • articulated stacking vehicles have the advantage of greater maneuverability and an advantage in terms of drive technology compared to de% of forklift trucks with rigid vehicle frames. Difficulties arise with regard to stability when cornering. Because of their maneuverability, articulated stacking vehicles are used, for example, in mining, and the vehicle can also be led over tight bends in curves that do not significantly exceed the width of the tunnel.
  • the articulated joint must be arranged approximately in the middle between the two wheel axles of the front and rear carriages so that they can pivot around a common pivot point when cornering, and thus the sum of the speeds of the front wheels equals the sum of the speeds of the rear wheels is.
  • Lift trucks are standardized according to DIN 15.140.3 G or 4.L. These are mainly steered on the rear side facing away from the load wheels. The vehicle body is made in one piece. Difficulties arise when cornering because a larger lane width is required during cornering. All-wheel drive vehicles are only possible for small tonnages due to the restriction to single tires. Even articulated forklift trucks in use are only suitable for low loads due to their unfavorable stability geometry, and their own weight and large dimensions are far too high for the lifting force.
  • a generic stacking vehicle is known from DE-AS 10 49 307.
  • the front frame carries a mast, the front wheels and a compensation weight, which protrudes to the rear under a high arm of the rear frame.
  • the pivot point of the axle stool is approximately in the middle between the front wheels.
  • the drive and steering are carried out exclusively via the front wheels.
  • the invention has for its object to improve a generic stacking vehicle in such a way that with a more favorable ratio of payload / dead weight and with free maneuverability a reliable stability is guaranteed.
  • the problem is solved by the features specified in the characterizing part of claim 1. Because the counterweight comes to rest on the rear carriage, the high-lying boom of the rear frame required in the known case can be omitted and the overall length can be shortened overall. With a relatively long lever arm up to the axis of rotation of the front wheels, there is sufficient free space so that the stacking vehicle can also be adapted to practically all occurring loads by applying additional weights. The counterweight can reach over the axis of the rear wheels according to claim 2, which results in a long lever arm despite the relatively small wheel base.
  • the counterweight according to claim 3 is provided with side roundings, by means of which the turning ability of the vehicle is retained and lateral weight unloading takes place as far as possible.
  • the features of claim 4 provide increased stability when cornering and with off-center lifting loads.
  • the counterweight according to DE-OS 31 31 512 can be shifted laterally, depending on the steering movement.
  • the size of the impact and the load of the counterweight are determined by the fixed and variable factors: load, front end and rear end in connection with the standing triangle.
  • load For special demands on the stacking vehicle in relation to the narrow vehicle width and / or strong steering angle, the displaceability of the counterweight is appropriate.
  • the articulated all-wheel drive stacking vehicle has a front end 20 with a mast 22 and a lifting load 23 that can be moved up and down, a driver's cab 24 and a counterweight 14 projecting to the rear with roundings 15 corresponding to the outer curve radius.
  • the front end 20 is connected to the rear end 26, which comprises the motor unit (not shown), via a vertical articulated joint 28 with a vertical articulation axis located behind the rear of the driver's cab 24.
  • the lifting weight 23 is arranged on the side of the central plane and nevertheless a stable balance remains
  • the triangle is characterized by the connection of points 1, 2 and 3.
  • the reference number 4 denotes the center of mass of the front end
  • 7 is the center of mass of the load
  • 9 is the center of mass of the counterweight 14
  • 10 indicates the center of mass of the combination front end counterweight
  • 11 is the center of mass of the rear end
  • 12 is the center of mass of the Empty device
  • 13 is the center of mass of the vehicle plus the load 23.
  • the empty device center of mass 12 can be moved even further into the center of the standing triangle in each operating position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP86100583A 1985-01-22 1986-01-17 Chariot élévateur à fourche articulée à quatre roues motrices Expired EP0189139B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86100583T ATE34723T1 (de) 1985-01-22 1986-01-17 Knickgelenktes, allradgetriebenes stapelfahrzeug.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3502001A DE3502001C1 (de) 1985-01-22 1985-01-22 Knickgelenktes,allradgetriebenes Stapelfahrzeug
DE3502001 1985-01-22

Publications (2)

Publication Number Publication Date
EP0189139A1 true EP0189139A1 (fr) 1986-07-30
EP0189139B1 EP0189139B1 (fr) 1988-06-01

Family

ID=6260448

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86100583A Expired EP0189139B1 (fr) 1985-01-22 1986-01-17 Chariot élévateur à fourche articulée à quatre roues motrices

Country Status (3)

Country Link
EP (1) EP0189139B1 (fr)
AT (1) ATE34723T1 (fr)
DE (1) DE3502001C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8504798B2 (en) 2003-12-30 2013-08-06 Sandisk Technologies Inc. Management of non-volatile memory systems having large erase blocks

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049307B (de) * 1956-07-21 1959-01-22 Hans Still Ag Gabelstapler mit schwenkbarem, den Hubmast tragendem Vorderteil des Fahrgestelles
DE1209450B (de) * 1960-08-08 1966-01-20 Linde Ag Lenkeinrichtung fuer einen Hubstapler
FR1475083A (fr) * 1966-03-11 1967-03-31 Hough Co Frank Véhicule élévateur
GB1133021A (en) * 1966-02-11 1968-11-06 Int Harvester Co Steering articulated construction vehicles
US3966070A (en) * 1974-10-07 1976-06-29 Allis-Chalmers Corporation Mechanism for loader bucket or forklift mast on a material handling vehicle
US4235308A (en) * 1979-01-11 1980-11-25 The General, Inc. Locking brake for articulated vehicle
US4249854A (en) * 1979-01-05 1981-02-10 Pyott-Boone Machinery Corporation Low profile fork lift for mine vehicles
EP0071796A1 (fr) * 1981-08-08 1983-02-16 Karl Schaeff GmbH & Co. Véhicule articulé avec contrepoids déplacable transversalement

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049307B (de) * 1956-07-21 1959-01-22 Hans Still Ag Gabelstapler mit schwenkbarem, den Hubmast tragendem Vorderteil des Fahrgestelles
DE1209450B (de) * 1960-08-08 1966-01-20 Linde Ag Lenkeinrichtung fuer einen Hubstapler
GB1133021A (en) * 1966-02-11 1968-11-06 Int Harvester Co Steering articulated construction vehicles
FR1475083A (fr) * 1966-03-11 1967-03-31 Hough Co Frank Véhicule élévateur
US3966070A (en) * 1974-10-07 1976-06-29 Allis-Chalmers Corporation Mechanism for loader bucket or forklift mast on a material handling vehicle
US4249854A (en) * 1979-01-05 1981-02-10 Pyott-Boone Machinery Corporation Low profile fork lift for mine vehicles
US4235308A (en) * 1979-01-11 1980-11-25 The General, Inc. Locking brake for articulated vehicle
EP0071796A1 (fr) * 1981-08-08 1983-02-16 Karl Schaeff GmbH & Co. Véhicule articulé avec contrepoids déplacable transversalement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8504798B2 (en) 2003-12-30 2013-08-06 Sandisk Technologies Inc. Management of non-volatile memory systems having large erase blocks

Also Published As

Publication number Publication date
DE3502001C1 (de) 1986-07-17
ATE34723T1 (de) 1988-06-15
EP0189139B1 (fr) 1988-06-01

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