EP0712358A1 - Porte-charges a remorquer par un tracteur - Google Patents

Porte-charges a remorquer par un tracteur

Info

Publication number
EP0712358A1
EP0712358A1 EP95921915A EP95921915A EP0712358A1 EP 0712358 A1 EP0712358 A1 EP 0712358A1 EP 95921915 A EP95921915 A EP 95921915A EP 95921915 A EP95921915 A EP 95921915A EP 0712358 A1 EP0712358 A1 EP 0712358A1
Authority
EP
European Patent Office
Prior art keywords
load
tractor
supporting structure
towed
constructed
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.)
Withdrawn
Application number
EP95921915A
Other languages
German (de)
English (en)
Inventor
John Morrow
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0712358A1 publication Critical patent/EP0712358A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D90/00—Vehicles for carrying harvested crops with means for selfloading or unloading
    • A01D90/02—Loading means
    • A01D90/08—Loading means with bale-forming means additionally used for loading; with means for picking-up bales and transporting them into the vehicle
    • A01D90/083—Round-bale trailers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/02—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with parallel up-and-down movement of load supporting or containing element
    • B60P1/027—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with parallel up-and-down movement of load supporting or containing element with relative displacement of the wheel axles

Definitions

  • a load carrier constructed to be towed by a tractor
  • the load carrier including an elongate load-supporting structure having a first end and a second end, of which the first end is foremost when the load carrier is being towed by a tractor, two wheel supports pivotally connected to opposite sides of the load-supporting structure at locations between the first and second ends thereof, two road wheels mounted on the respective wheel supports, a draw bar having one end pivotally connected to the first end of the load-supporting structure, whilst the other end of the draw bar is constructed to be coupled to the tractor and first and second turning means for turning the wheel supports and the draw bar respectively, with respect to the load-supporting structure so that the road wheels can be raised for the load-supporting structure to be loaded and can be lowered for the load carrier to be towed by the tractor, the load-supporting structure being substantially horizontal in both the raised and the lowered positions of the road wheels.
  • the load-supporting structure may include, at least at its second end, and, preferably, over its entire length, two or more parallel and horizontal bars, so that their ends at the second end of the load- supporting structure may be driven, in contact with, or very near the ground, under a load such as a bale of hay, straw or silage, or into the recesses of a pallet bearing the load, in the manner of a fork-lift truck.
  • a load such as a bale of hay, straw or silage
  • the first turning means for turning the wheel supports with respect to the load-supporting structure may comprise a first piston and cylinder device (such devices are referred to below as rams) acting between the load-supporting structure and one wheel support and a second ram acting between the load-supporting structure and the other wheel support, it being arranged that these two rams operate in unison.
  • a single ram may be used, one element (piston or cylinder) of which is pivotally connected to a bridge means which secures the two wheel supports to one another and which extends above the load on the load-supporting structure, whilst the other element of the ram (cylinder or piston) is pivotally connected to an upstanding member with the load-supporting structure at its first end.
  • the second turning means for turning the draw bar with respect to the load-supporting structure, is, preferably, a single ram having one element (piston or cylinder) pivotally connected to the above-mentioned upstanding member and the other element (cylinder or piston) pivotally connected to the draw bar.
  • the two or three rams may be hydraulically or pneumatically operated.
  • Figures 1 and 2 show side views of a load carrier in a configuration for being loaded and in a configuration for being towed by a tractor, respectively.
  • Figures 3 and 4 show end views of the load carrier in the configurations of Figures 1 and 2 respectively, a bale of hay on the load carrier being also shown, and,
  • Figures 5 and 6 show side views of the load carrier in the configuration of Figure 2 and carrying a bale on another form of load, respectively.
  • the load carrier shown in the drawings has been designed primarily to carry loads having a length up to about five metres or more, with or without pallets to support them, which it is believed cannot be satisfactorily transported using known fork-lift trucks or fork-lift and tractor combinations.
  • the load may, for example, be a line of four round, wrapped bales of silage or a line of three larger round and unwrapped bales of hay or straw, or a container in which up to six cattle or a large number of sheep may be transported, or a feeder, for cattle or sheep, which may be filled, for example, with silage or hay, at one place and carried to another place where the animals may have access to its contents.
  • the load is received by a load-supporting structure consisting of two horizontal and parallel bars 2, of circular cross-section and of length about five metres, which are tapered at their free ends to assist their being pushed under a bale.
  • the bars are pivotally connected to respective sides of a frame structure 3 which consists of two wheel supports 4, on which road wheels 5 are mounted for rotation, two bridge members 6, which secures the two wheel supports 4 to one another and which extends above the load, and bracing members 7.
  • the pivotal connections between the bars 2 and the wheel supports 4 have a common pivot axis X which is about midway between the opposite ends of the bars 2.
  • a upstanding member 8 reinforces the load-supporting structure 3 and projects upwardly from its forward end, namely the end which is foremost when the load carrier is being towed by a tractor. At this forward end there is a pivotal connection between the member 8 and a draw bar 9 constructed for coupling to a tractor, the pivot axis being denoted by Y.
  • Hydraulically operated rams 10 and 11 pivotally connected at their ends, act between the parts 3 and 8 in one case and between parts 8 and 9 in the other case. They are operated by a single lever in the tractor (not shown), to alter the orientation of the parts 3 and 9 whilst keeping the bars 2 substantially horizontal.
  • a positive locking device (not shown) ensures that the hydraulic system is not subjected to any load except when it is desired to change the positions of the road wheels 5 as described below.
  • the rams When the rams are in one condition, the road wheels 5 are raised, as shown in Figures 1 and 3 so that the load carrier may be pushed to the left (considering Figure 1) by the tractor so that the tapered ends 12 of the bars 2 may be pushed under a first bale 13. Then the rams may be put in another condition so that the road wheels 5 are lowered onto the ground, and the bars 2 are raised, as shown in Figures 2 and 4, and the load carrier may be driven to another bale before raising the road wheels again.
  • bale 13 In order to load a second bale onto the bars 2 the first bale 13 is placed adjacent to and in line with the second bale and bars 2 are pushed under the two bales. The rams are then activated as before to raise the bars 2 and the two bales on the bars 2.
  • a third or a fourth bale may be formed as a line of bales on the load carrier by simply repeating the procedure described above. During such a bale loading procedure the tractor driver has no need to dismount from the tractor.
  • the load may be used to carry a cattle trailer 14. It will also be appreciated that alternate loads such as a sheep trailer or an animal feed container may be carried by the load carrier in place of the cattle trailer 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)
  • Agricultural Machines (AREA)

Abstract

Un porte-charges à remorquer par un tracteur comprend une structure allongée de support de charges avec deux ou plusieurs barres ou tiges parallèles et horizontales (2), dont la première extrémité se situe en avant lorsque la structure est remorquée par un tracteur. Deux roues (5) sont montées dans des supports pivotants, de sorte qu'elles puissent se soulever afin de permettre à la structure de se déplacer sur le sol ou à proximité du sol. Les barres ou tiges horizontales (2) peuvent alors passer sous des balles de fourrage ou pénétrer dans des cavités de palettes de transport de charges et se soulever à la manière d'un bélier (10), ce qui abaisse de nouveau les roues jusqu'à les mettre en contact avec le sol. Les deux béliers (10, 11) servent à maintenir les barres parallèles sensiblement horizontales pendant que la structure de support de charges est abaissée, soulevée et déplacée latéralement.
EP95921915A 1994-06-15 1995-06-12 Porte-charges a remorquer par un tracteur Withdrawn EP0712358A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IE940491 1994-06-15
IE940491 1994-06-15
PCT/GB1995/001370 WO1995034444A1 (fr) 1994-06-15 1995-06-12 Porte-charges a remorquer par un tracteur

Publications (1)

Publication Number Publication Date
EP0712358A1 true EP0712358A1 (fr) 1996-05-22

Family

ID=11040435

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95921915A Withdrawn EP0712358A1 (fr) 1994-06-15 1995-06-12 Porte-charges a remorquer par un tracteur

Country Status (2)

Country Link
EP (1) EP0712358A1 (fr)
WO (1) WO1995034444A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762631A (en) * 1953-11-02 1956-09-11 Gerhard B Entz Mechanism for raising and lowering frames of trailers with respect to ground wheels thereof
US4076137A (en) * 1976-08-05 1978-02-28 Rudolph L. Lowell Large round bale handling apparatus
DE2821991A1 (de) * 1978-05-19 1979-11-22 Viktor Kaiser Lade- und transportgeraet fuer lasteinheiten sowie verfahren zum betrieb desselben
US4390312A (en) * 1981-02-23 1983-06-28 Skeem Wayne B Round bale transporter and feeder
US4372572A (en) * 1981-03-16 1983-02-08 The Advance Metalworking Co. Lift bed tandem axle trailer
US5362189A (en) * 1993-07-13 1994-11-08 Lindahl Michael J Bale handling carrier

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9534444A1 *

Also Published As

Publication number Publication date
WO1995034444A1 (fr) 1995-12-21

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

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Designated state(s): BE DE DK ES FR GB IE IT NL PT SE

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Effective date: 19960621

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18D Application deemed to be withdrawn

Effective date: 19980102