Railway rolling stock – Trains – Articulated
Patent
1995-02-14
1996-10-15
Oberleitner, Robert J.
Railway rolling stock
Trains
Articulated
105 42, 105159, 1051991, 105355, 410 53, B61F 312
Patent
active
055643418
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a coupling assembly between two successive wagon structures and a common bogie.
TECHNICAL BACKGROUND OF THE INVENTION
The considerable development of road transport in industrialized countries has obliged industry to find means for rapid rail/road conversion and vice versa or for transportation of totally or partially constituted road units in order to relieve the road network without losing the advantages of road transport.
French Patent Application Nos. 91 10590, 92 02763 and 92 02764 in the name of the Applicant relate to a wagon structure with an underslung base equipped with integral lifting means and means for coupling the adjacent ends of two successive wagon structures to one and the same bogie, permitting the implementation of various loading and unloading procedures in a handling area or a marshalling yard.
The wagon structure described in these applications exhibits most of the numerous advantages desired, in particular simplicity of construction, as well as lateral transfer possibilities.
However, the couplings between the wagon structures and the approach, joining and locking maneuvers require precise, delicate handling demanding a certain skill and sustained attention. In fact, coupling of each rear end of a wagon structure to the bogie requires centering prior to fitting.
This detracts from the speed and security of transfer, handling and train-forming operations.
OBJECT OF THE INVENTION
The present invention enables these disadvantages to be remedied in a manner which will satisfy all the demands relating to this type of wagon structure.
SUMMARY OF THE INVENTION
To this end, the invention relates to a coupling assembly between successive wagon structures and a common bogie, each wagon structure comprising, on the one hand, a front end formed by two branches converging to a point, and an open rear end defined by two parallel arms in the manner of a side sill. A common articulated assembly on the pivotally receives the front end point and a pivoting cross member comprising at each of its ends a receiving support for the arms of the open rear end of the preceding structure, the arms having at their ends junction means cooperating with the receiving supports with a view to the rapid coupling of the rear end.
The means for establishing and maintaining the connection with the preceding wagon structure comprises, at each end of the pivoting cross member, a resiliently returnable transverse immobilizing pin emerging transversely from each receiving support and a receiving and extraction mechanism at each of the ends of the rear end arms of the preceding wagon structure.
In this way, the coupling and uncoupling maneuvers are both simpler and quicker. In fact, the need for effecting the correspondence of members or mechanical parts before the coupling stage has been totally dispensed with .
BRIEF DESCRIPTION OF THE DRAWINGS
The technical characteristics and other advantages of the invention may be found in the following description of one embodiment, made by way of a non-limiting example and with reference to the accompanying drawings, in which like reference characters designate like or corresponding parts throughout the several views, and wherein:
FIG. 1 is a general perspective view of an improved wagon structure, in reverse position, showing at its front end the main variant of the coupling assembly according to the invention;
FIG. 2 is a perspective view of the front end of the wagon structure and of the bogie interface on which it is mounted;
FIG. 3 is a perspective view of the rear end of the wagon structure and of the bogie on which it is designed to be mounted;
FIG. 4 is a perspective view of the opposing ends of two successive wagon structures before linking the same together;
FIG. 5 is a detailed perspective view of one of the arms and of the rear end of the wagon structure cut through a median plane at the level of the common articulated assembly;
FIG. 6 is a schematic perspective view, with transparent lateral walls, of
REFERENCES:
patent: 4456413 (1984-06-01), Pavlick
patent: 4750431 (1988-06-01), Yates et al.
patent: 4841876 (1989-06-01), Gramse et al.
patent: 5216956 (1993-06-01), Adams Jr.
patent: 5291835 (1994-03-01), Wicks
Lohr Industrie, S.A.
Morano S. Joseph
Oberleitner Robert J.
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