EP0463283A1 - A rail car for the carriage and transportation of commercial road vehicles - Google Patents
A rail car for the carriage and transportation of commercial road vehicles Download PDFInfo
- Publication number
- EP0463283A1 EP0463283A1 EP19900830478 EP90830478A EP0463283A1 EP 0463283 A1 EP0463283 A1 EP 0463283A1 EP 19900830478 EP19900830478 EP 19900830478 EP 90830478 A EP90830478 A EP 90830478A EP 0463283 A1 EP0463283 A1 EP 0463283A1
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- EP
- European Patent Office
- Prior art keywords
- cradle
- cradle structure
- car
- rail car
- bogies
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D3/00—Wagons or vans
- B61D3/16—Wagons or vans adapted for carrying special loads
- B61D3/18—Wagons or vans adapted for carrying special loads for vehicles
- B61D3/182—Wagons or vans adapted for carrying special loads for vehicles specially adapted for heavy vehicles, e.g. public work vehicles, trucks, trailers
- B61D3/184—Wagons or vans adapted for carrying special loads for vehicles specially adapted for heavy vehicles, e.g. public work vehicles, trucks, trailers the heavy vehicles being of the trailer or semi-trailer type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D47/00—Loading or unloading devices combined with vehicles, e.g. loading platforms, doors convertible into loading and unloading ramps
- B61D47/005—Loading or unloading devices combined with road vehicles carrying wagons, e.g. ramps, turntables, lifting means
Definitions
- the present invention relates to a rail car of the type used in carrying and transporting commercial road vehicles.
- TIR large and heavy goods vehicles
- One such car consists simply in a flat platform without sides affording a cradle structure by which a tractorless semitrailer can be accommodated with its road wheels suitably immobilized; one end of the car naturally will afford a seating to accept the front articulation pivot of the semitrailer.
- the semitrailer is loaded and offloaded by cranage installed at the departure and destination railway yards, which will incorporate the necessary space for manoeuvring, track system, customs and excise offices, etc.
- Another car similar in basic design to that briefly outlined above consists likewise in a low loading platform, but with at least one end fashioned as a gate, equipped with coupling and buffers in the conventional manner, which can be opened manually so as to provide a vehicle with roll-on roll-off access to and from the platform by way of special ramps, be it tractor and semi- or truck and full trailer.
- a further type of car comprises a double platform, of which the first is fixed and provides the load bearing structure, whereas the second is disposed parallel with and above the first; this same second platform is hinged to the first at one corner about a vertical pivot in such a way as to rotate and project outboard on one side, thus creating a ramp up which a semitrailer can be manoeuvred onto the car.
- the second platform is of course equipped at its farthest end with means by which to establish contact with the ground (e.g. hydraulic cylinders operated by the rail yard personnel), that combine with the pivot to support the weight of the vehicle being manoeuvred.
- a rail car as characterized in the appended claims, which comprises two bogies, and suspended between the bogies: a fixed frame structure consisting in a pair of parallel beams interconnecting two flat car bodies mounted each by way of a spherical bearing to the relative bogie; a rigid cradle structure stably accommodating the road vehicle and resting on the flat car body at each end, which can be elevated from the flat cars by means positioned centrally beneath and permanently associated with the cradle itself; means located barycentrically between the cradle structure and elevating means, by which the cradle structure can be rotated about its barycentric axis between an inboard position and an outboard position; also, means designed to interact between the cradle structure and the beams during the elevating movement of the cradle in such a way as to flex the beams and thus distance the flat car bodies from one another longitudinally.
- One of the advantages obtainable according to the present invention derives essentially from the barycentrically balanced type of rotation effected by the structure accommodating the vehicle, namely, that of enabling load and offload in notably brief intervals of time, and from either side of the car; to further advantage, the movement of the cradle structure can be automated, dispensing with the need for manual intervention by skilled operators and entrusting safety and reliability to automatic control media.
- the rail car is used to carry and transport commercial road vehicles of any given description (trucks with or without trailer, vans, etc.); in the interests of simplicity, the road vehicle described and illustrated by way of example is a semitrailer, denoted 5 in its entirety (see figs 1 and 12 in particular).
- the car consists essentially in a number of basic assemblies carried by a pair of standard flat car bogies 1 and 2 running on rails 3, namely:
- the fixed structure 6 comprises the two beams 6a and 6b, disposed mutually parallel within the same plane, and two flat car bodies 6c and 6d mounted each to the relative bogie 1 and 2 by way of a spherical bearing 90 of conventional embodiment (illustrated schematically in fig 11), which are stably interconnected by the beams at a given height below their deck surfaces.
- the two beams 6a and 6b are of substantially square section, and associated rigidly at each end with a corresponding vertical projection 41 issuing downwards from the flat car body.
- the cradle structure 4 is of lattice construction (see fig 1), provided at each end with a pair of arms 4a by way of which the structure rests on the relative flat car body 6c and 6d, and exhibiting a central U-section body 26 with a centre bulge 26a beneath which means of rotation 9 are accommodated at least in part.
- 29 and 30 denote a pair of ramps hinged to each end of the cradle structure 4 about a first horizontal and transverse pivot 33, by way of which the semitrailer 5 is afforded access to and from the car in either direction.
- the ramps 29 and 30 are permanently associated with means denoted 31 mounted to the cradle structure 4, by which to bring about their movement (see figs 5, 6 and 7) between a closed position, in which both ramps 29 and 30 are raised perpendicular to the cradle 4, and a lowered open position in which the ramps 29 and 30 are angled downward with one end resting on a surface C capable of accommodating and bearing the weight of the semitrailer 5.
- Such means 31 consist in fluid power cylinders 32, one located centrally between each pair of ramps 29 and 30 (fig 7), of which the rod end 32a is hinged to the cradle structure 4 about a second horizontal pivot 34, located internally of the cradle 4 and parallel to the first pivot 33, and the remaining end connects by way of a third hinge pivot 35 with the ramps 29 and 30 themselves, in such a way that these can be manoeuvred as one between the open and closed position aforementioned.
- Means 7 for elevating the cradle structure 4 from the flat car bogies 1 and 2 are installed beneath the structure itself, in a central position, and capable of movement through the agency of relative actuators 11 and 12, between two limit positions: at rest, in which the means 7 are stowed under the cradle structure 4 and occupy a minimum of vertical space; and operative, substantially projecting from the cradle structure 4 and in contact with a datum surface P beneath.
- elevating means 7 consist in a battery of single actuators 11 and 12 (illustrated as fluid power cylinders) arranged in four opposed pairs of which first ends are anchored pivotably to separate points of a load bearing platform 13, associated permanently with the cradle structure 4 by way of the aforementioned rotation means 9, and the remaining ends are hinged in pairs to four respective feet 14 destined to enter into contact with the datum surface P, which in this instance is provided by the railway track 3.
- each pair of cylinders 11 and 12 is accommodated internally of a respective recess 13a afforded by the platform 13; in effect, the platform comprises two pairs of horizontal and parallel longitudinal members 15 and 16 (see fig 2) between which two pairs of cylinders 11 and 12 are arranged in coaxial alignment on each flank.
- the rotation means 9 of the rail car disclosed are incorporated into the platform 13, barycentrically positioned and interconnecting the platform and the cradle 4; such means 9 comprise actuators 18 and 19 designed to impinge on the cradle 4 and bring about its rotation between a position fully inboard in relation to the two flat car bogies 1 and 2, and, in conjunction with the operative position of the elevating means 7, a roll-on/roll-off position in which the raised cradle is rotated about a vertical barycentric axis X (fig 2a), projecting outboard in relation to the two flat car bogies 1 and 2.
- the rotation means 9 are embodied as a slewing ring 17 accommodated in part by the load bearing platform 13, internally of a central circular opening 13b that also accommodates the two actuators 18 and 19 beneath (see fig 2a); these actuators are also shown as cylinders 18 and 19, disposed horizontal and parallel with their respective rods 18a and 19a set in opposition and associated permanently with each end of a lever 20 that is rotatable as one with the cradle 4 back and forth between the inboard and outboard positions described above.
- pantograph means installed on each side of the rotation means 9, disposed transversely to the longitudinal axis of the cradle structure 4 (see figs 2 and 4), which are designed to impinge on the cradle structure, and more exactly on the platform 13, thereby providing transverse stability when the elevating means 7 are in their operative position.
- pantograph means 10 consist in two parallel pantograph type linkages 21 and 22 accommodated internally of the platform 13 and disposed substantially transverse to the elevating means 7; the two linkages 21 and 22 are anchored at one end to the platform 13, and at the remaining end to the feet 14 on each side.
- the pantographs 21 and 22 are extendible (see fig 4) from a folded position, drawn up into the platform 13, to a transverse bracing position assumed with the feet 14 planted on the datum surface P.
- each pantograph 21 and 22 is provided at the end anchored to the platform 13 with interference means consisting in a pin 24, one to each linkage 21 and 22, associated with the platform 13 and disposed at right angles to the direction of movement of the pantograph 10; each pin 24 is fastened coaxially by one end (see fig 4) to the rod of a cylinder 71 mounted horizontally to the platform 13, and can be reciprocated thus between a non-operative position, distanced from the pantographs 21 and 22, and a position of interference in which the pin 24 is stably inserted into a corresponding socket 25 afforded by the pantographs 21 and 22 in such a way that these are locked into their at-rest position, folded away within the vertical compass of the car.
- interference means consisting in a pin 24, one to each linkage 21 and 22, associated with the platform 13 and disposed at right angles to the direction of movement of the pantograph 10; each pin 24 is fastened coaxially by one end (see fig 4) to the rod of a cylinder 71 mounted
- the pin 24 is provided at its point of attachment to the relative piston rod with a contact bar 72, disposed in a vertical plane, the purpose of which is to impinge upon and compress a safety valve 73 when the pin 24 is in the position of interference; the valve 73 is mounted to the platform 13, and connected into a safety circuit 59 that constitutes a standard item of the car's equipment (illustrated only in part), by which all of the air- operated components are governed, and by which the movement of the car at departure is ultimately enabled or inhibited.
- the safety valve 73 is connected into the air braking system with which all rolling stock is fitted, and functions in the manner of the emergency air brake valve located in passenger compartments, as do all other similiar safety valves to which reference is made in the course of the description, i.e. with the valve 73 in the closed position and blocking the relative air line, the circuit no longer exhausts but stays pressurized, thus enabling operation; accordingly, when all such safety circuits are pressurized, the train can move off.
- each such support 36 and 37 denote stabilizing means associated with the underside of the cradle structure 4 at each of its ends (see figs 5, 6 and 8), which consist in cylindrical supports with bases 36a and 37a fitted to their respective ends; each such support 36 and 37 consists in a fluid power cylinder anchored by one end to cradle 4 and is operated in conjunction with a parallel and external lever 38 of which one end is rigidly associated with the cylinder.
- This same lever 38 is pivoted at its remaining end to the piston rod 39a of a further cylinder 39 located internally of and anchored to the cradle structure, by means of which the cylinders 36 and 37 can be rotated, with the cradle itself swung outboard of the car, from a substantially horizontal position stowed within the body 26 of the cradle 4 to an essentially vertical position projecting downwards from the cradle with the bases 36a and 37a resting on the surface C beneath.
- each stabilizer cylinder 36 and 37 accommodates a second cylinder 40 of smaller diameter, coaxially disposed and with its two ends anchored to the corresponding ends of the larger cylinder 36 and 37, in such a way that these are braced to relieve any excessive axial stresses when in the vertical position.
- the stabilizer cylinders 36 and 37 described above are provided with second interference means consisting in second horizontal pins 74, one to each cylinder, fastened by one end to the rod of a respective cylinder 75 mounted horizontally to the cradle structure 4 (the two pins 74 and cylinders 75 serving each pair of stabilizers 36 and 37 being disposed parallel and in opposition, clearly enough).
- the second pin 74 is reciprocated by the relative cylinder 75 between a non-operative limit position, distanced from the cylinder 36 or 37, and an operative limit position of interference, obtainable with the cylinders 36 and 37 in the stowed position, in which the pin 74 is interposed between the stabilizer and the datum surface P.
- each second pin 74 carries a second vertically orientated bar 76 at the end associated with the cylinder 75, which, with the cylinder 36 or 37 stowed and the pin 74 moved into the interference position, will engage a second safety valve 77 mounted to the cradle 4 directly in the path of the bar; here too, the valve 77 is connected up to the safety circuit 59 of the rail car.
- the cradle structure 4 and the two flat car bodies 6c and 6d are clamped firmly together by means of horizontally disposed T-bolts 42, mounted to the two flat cars, which locate in corresponding sockets 43 incorporated into the cradle 4 (fig 10); the bolts 42 are arranged in pairs issuing from the inward facing ends of the flat car bodies, parallel with one another and with the datum surface P.
- Each bolt 42 affords a coaxial threaded cylindrical seating 44 to accommodate a threaded stud 45 by which the cradle structure 4 and the body 6c or 6d of the flat car are clamped together.
- the stud 45 is rotatable about its own axis and keyed coaxially at one end to a gear 46 in mesh with a vertical rack denoted 47, located to one side of the stud 45 and capable of reciprocating movement produced by a cylinder 48 anchored to the car, in such a way as to distance and clamp the corresponding T-bolt 42 respectively from and against the near face of the relative socket 43.
- the shank of the T-bolt 42 is of octagonal external section, and inserted into a bush 80 of corresponding internal section associated with the flat car body 6c or 6d; the free end of the bush 80 is rigidly associated with one end of a transversely disposed lever 81, of which the remaining end is secured pivotably to the rod 82a of a cylinder 82 anchored in its turn internally of the relative flat car body 6c or 6d in such a way as to permit of rotating the lever 81 between a substantially vertical position and a substantially horizontal position (with the T-bolt in the distanced position, needless to say).
- the T-bolt can be made to rotate between a vertical position of engagement with the socket 43, and a horizontal position enabling its release (phantom line, fig 10b).
- the semitrailer 5 is provided at one end with a vertical pivot 5m destined to couple with a bearing afforded by the tractor truck, and a telescopic strut or parking leg 5a that is supported internally of the cradle structure 4 by means denoted 49 in their entirety; such means 49 are mounted to the deck B of the cradle structure, and capable of movement between an at-rest limit position, lowered onto the deck B (bold line at left of fig 9), and an operative position raised from the deck B, assumed when the cradle structure 4 is rotated into the outboard position.
- means 49 supporting the trailer leg 5a comprise a pair of pantographs 52 and 53 of which the bottom ends are hinged to the deck B and the top ends to a horizontal table 51 on which the leg 5a is positioned; the table 51 is anchored at one end to the rod 54a of a cylinder 54 hinged at its remaining end to the deck B and set an an angle such as will permit of manoeuvring the table 51 between the lowered and raised positions.
- the hinged cylinder 54 might be replaced by a telescopic actuator 50 (illustrated in phantom line, fig 9) attached by its respective ends to the deck B and to the underside of the table 51, in a central position, and flanked on either side by the pantographs 52 and 53, which are again hinged at bottom to the deck B and uppermost to the table 51 in such a way as to stabilize movement between the raised and lowered positions.
- a telescopic actuator 50 illustrated in phantom line, fig 9
- Fig 5 schematically illustrates the aforementioned interlocking means 60, embodied in this instance as a pair of brackets 61 associated preferably though by no means necessarily with each side of the load bearing platform 13; each bracket projects beneath and thus interferes with the relative beam 6a and 6b in the vertical plane, for a reason that will become clear in due course.
- such means 60 might consist simply in fasteners (bolts, pins, shackles, etc.) capable of ensuring a stable connection between the platform 13 and the beams 6a and 6b.
- each bar 83 denotes third interference means associated with each flat car body 6c and 6d (see figs 1 and 12) and consisting in a pair of bars, each hinged by one end to one side of the flat car 6c and 6d and rotatable (manually, or preferably by automatic means) between a non-operative position, resting on the flat car body 6c or 6d with the unattached ends directed away from the cradle structure 4, and an operative position of interference (obtainable with the cradle 4 rotated inboard), swung through 180° and in lateral contact with the relative arms 4a of the cradle structure 4; in the operative position, each bar 83 locates in a clevis element 84 rigidly associated with the flat car body 6c or 6d, thus providing further stability.
- a safety valve similar to those previously described might be fitted internally of the clevis 84 and connected up to the standard air circuit of the rail car (not illustrated).
- the rail car according to the invention exhibits notable compactness when loaded, inasmuch as the two bogies 1 and 2 are interconnected permanently by the beams 6a and 6b, as well as being clamped up to the cradle structure 4 by way of the T-bolts 42.
- the bulge profile 26a of the body 26 conveniently accommodates all such means as remain idle during transit, particularly the elevating and stabilizing means, which thus remain neatly stowed.
- the necessary manoeuvres can be effected even in rail yards not specifically equipped for the purpose.
- the rail car is stationed alongside a bay of the loading yard (or indeed any convenient space in which the road vehicle can be manoeuvred), whereupon the T-bolts 42 are released to leave the cradle structure 4 simply resting on the flat cars 6c and 6d.
- the four pairs of cylinders 11 and 12 of the elevating means 7 are operated to lower the four feet 14, thereby lifting the platform 13 and raising the cradle structure 4 off the flat cars to stand free on the track P; the pantograph stabilizers 10 also extend, bracing the elevated platform 13 transversely.
- the interlocking means 60 impinge upwardly on the beams 6a and 6b, with the result that the beams will flex and cause the two flat car bodies 6c and 6d to tilt away from centre through a given angle A (fig 11), such that the longitudinal clearance afforded to the cradle is increased.
- the rotation means 9 are operated to swing the cradle structure 4 about its vertical axis X through an angle of approximately 45 from the longitudinal axis of the rail car; with the vertical axis X located barycentrically, the weight of the rotating cradle can be supported entirely by the slewing ring 17, without any additional rolling or sliding support.
- the two sets of stabilizer cylinders 36 and 37 are operated in concert to brace the cradle 4 in readiness for the semitrailer 5 to roll on (or roll off); at the same time, the endmost cylinders 31 will operate to lower the ramps 29 and 30 from the raised position down onto the surface C beneath.
- a tractor truck and semitrailer 5 can roll onto the cradle 4 (either forward or in reverse), to the point where the trailer wheels locate in corresponding wells 95 and the parking leg 5a is positioned directly above the support means 49, which then operate to raise the front end of the semitrailer and separate the pivot 5m from the tractor, allowing the tractor to drive away.
- the cradle 4 is now rotated inboard and lowered onto the bogies by reversing the procedure described above, the support means 49 are lowered, and the pivot articulation 5m drops into a seat 96 of conventional embodiment fitted to at least one of the flat cars 6c or 6d.
- the beams 6a and 6b might be connected slidably to the flat car bodies 6c and 6d in a arrangement (clearly illustrated in fig 11 a) comprising at least one socket 41 a afforded by the downward projection 41 of the flat car body, in which at least one end of the relative beam is freely accommodated, cushioned by belleville disk springs 97 on either side in such a way that the flat car can be distanced from the cradle 4 prior to its rotation and thus provide the necessary longitudinal clearance.
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Abstract
Description
- The present invention relates to a rail car of the type used in carrying and transporting commercial road vehicles.
- As is widely recognized, considerable problems of speed and safety affect the circulation of large and heavy goods vehicles (widely known and referred to as TIR) on roads and motorways.
- In an attempt to alleviate the situation at least in part (and in addition to existing laws whereby circulation is prohibited at certain times), the option has been provided of transporting such road vehicles by rail, especially on journeys of which the greater part consists in simple transit across given territories or countries.
- The prior art already embraces a number of rail cars designed for this purpose.
- One such car consists simply in a flat platform without sides affording a cradle structure by which a tractorless semitrailer can be accommodated with its road wheels suitably immobilized; one end of the car naturally will afford a seating to accept the front articulation pivot of the semitrailer. The semitrailer is loaded and offloaded by cranage installed at the departure and destination railway yards, which will incorporate the necessary space for manoeuvring, track system, customs and excise offices, etc..
- Another car similar in basic design to that briefly outlined above consists likewise in a low loading platform, but with at least one end fashioned as a gate, equipped with coupling and buffers in the conventional manner, which can be opened manually so as to provide a vehicle with roll-on roll-off access to and from the platform by way of special ramps, be it tractor and semi- or truck and full trailer.
- A further type of car comprises a double platform, of which the first is fixed and provides the load bearing structure, whereas the second is disposed parallel with and above the first; this same second platform is hinged to the first at one corner about a vertical pivot in such a way as to rotate and project outboard on one side, thus creating a ramp up which a semitrailer can be manoeuvred onto the car. The second platform is of course equipped at its farthest end with means by which to establish contact with the ground (e.g. hydraulic cylinders operated by the rail yard personnel), that combine with the pivot to support the weight of the vehicle being manoeuvred.
- There are drawbacks discernible in all of the above designs:
- - the first rail car mentioned can be utilized only in yards equipped with the necessary cranage and auxiliary structures, a factor which obviously limits its usefulness and general diffusion;
- - the second rail car mentioned imposes practically the same operating demands as the first (suitably equipped yards, lengthy manoeuvres, etc.) with the sole exception of cranage;
- - the third car mentioned provides genuine novelty over the former two, inasmuch as vehicles can be loaded and offloaded at locations with relatively limited facilities, but has been found lacking in strength and tends to require even more time to load and offload than has been experienced with the preceding two types, given that the extension and positioning of the ramp platform calls for manual intervention on the part of the operator. What is more, the lateral clearance required by the moving platform is considerable (given that the outreach substantially matches the length of the platform itself), so that a generous amount of space must be provided; also, roll-on roll-off operations must necessarily be effected in opposite directions, with the result that manoeuvres are even len- gthier. Accordingly, the object of the present invention is to overcome the various drawbacks mentioned above by providing a transporter rail car for commercial road vehicles of which the structure will be wholly suited to regular service requirements, affording an arrangement whereby semitrailers can be loaded and offloaded swiftly and safely, which minimizes the time consumed in manoeuvring operations, and which can be used substantially in any railway yard whether equipped for such operations or not.
- The stated object is comprehensively realized in a rail car as characterized in the appended claims, which comprises two bogies, and suspended between the bogies: a fixed frame structure consisting in a pair of parallel beams interconnecting two flat car bodies mounted each by way of a spherical bearing to the relative bogie; a rigid cradle structure stably accommodating the road vehicle and resting on the flat car body at each end, which can be elevated from the flat cars by means positioned centrally beneath and permanently associated with the cradle itself; means located barycentrically between the cradle structure and elevating means, by which the cradle structure can be rotated about its barycentric axis between an inboard position and an outboard position; also, means designed to interact between the cradle structure and the beams during the elevating movement of the cradle in such a way as to flex the beams and thus distance the flat car bodies from one another longitudinally.
- One of the advantages obtainable according to the present invention derives essentially from the barycentrically balanced type of rotation effected by the structure accommodating the vehicle, namely, that of enabling load and offload in notably brief intervals of time, and from either side of the car; to further advantage, the movement of the cradle structure can be automated, dispensing with the need for manual intervention by skilled operators and entrusting safety and reliability to automatic control media.
- The invention will now be described in detail, by way of example, with the aid of the accompanying drawings, in which:
- - fig 1 illustrates the rail car according to the present invention in side elevation;
- - figs 2 and 2a are a plan from above and a side elevation, respectively, from which certain parts are omitted better to reveal others, illustrating a platform by which one section of the rail car is supported and manoeuvred;
- - fig 3 shows a detail of the platform of fig 2 in side elevation, with certain parts omitted better to reveal others;
- - fig 4 shows a further detail of the platform of fig 2 in side elevation;
- - figs 5 and 6 are frontal elevations showing one end of a ramped structure destined to accommodate the road vehicle, seen with certain parts omitted better to reveal others, in which the ramps are illustrated in two different positions;
- - fig 7 is a side elevation illustrating means by which the ramps of figs 5 and 6 are manoeuvred, with certain parts omitted better to reveal others;
- - fig 8 is a side elevation illustrating means by which to stabilize the structure accommodating the road vehicle, with certain parts omitted better to reveal others;
- - fig 8a is a frontal elevation showing a detail of the stabilizing means of fig 8, with certain parts omitted better to reveal others;
- - fig 9 is a detailed enlargement of means outlined in the side elevation of fig 1, by which to elevate an area affording support to a semitrailer;
- - fig 10 illustrates one of a set of clamp bolts by which the structure accommodating the road vehicle is made secure, viewed in side elevation, enlarged and with certain parts omitted to reveal others;
- - figs 10a and 10b illustrate certain component parts of the clamp bolt of fig 10, viewed from 'A' and in schematic side elevation, respectively;
- - fig 11 is a side elevation serving to illustrate the flexing action of the beams by which the two flat car bodies are interconnected in a rail car according to the invention;
- - fig 11 a is the enlarged detail of an alternative method of joining the flat car bodies and beams of the fixed frame structure;
- - fig 12 shows the rail car according to the present invention in plan from above.
- With reference to the accompanying drawings, the rail car is used to carry and transport commercial road vehicles of any given description (trucks with or without trailer, vans, etc.); in the interests of simplicity, the road vehicle described and illustrated by way of example is a semitrailer, denoted 5 in its entirety (see figs 1 and 12 in particular).
- The car consists essentially in a number of basic assemblies carried by a pair of standard
flat car bogies rails 3, namely: - - a
fixed frame structure 6 comprising a pair ofparallel beams flat car bogies - - a rigid bearing
structure 4 of cradle embodiment, accommodating thesemitrailer 5; - - means 7 by which to elevate the
rigid cradle structure 4; - - means 9 by which to rotate the
elevated cradle structure 4; - - means 60 by which the
cradle structure 4 and theframe beams - More exactly, the
fixed structure 6 comprises the twobeams flat car bodies relative bogie spherical bearing 90 of conventional embodiment (illustrated schematically in fig 11), which are stably interconnected by the beams at a given height below their deck surfaces. - In the example of fig 1, the two
beams vertical projection 41 issuing downwards from the flat car body. - The
cradle structure 4 is of lattice construction (see fig 1), provided at each end with a pair ofarms 4a by way of which the structure rests on the relativeflat car body central U-section body 26 with acentre bulge 26a beneath which means ofrotation 9 are accommodated at least in part. 29 and 30 denote a pair of ramps hinged to each end of thecradle structure 4 about a first horizontal andtransverse pivot 33, by way of which thesemitrailer 5 is afforded access to and from the car in either direction. - The
ramps cradle structure 4, by which to bring about their movement (see figs 5, 6 and 7) between a closed position, in which bothramps cradle 4, and a lowered open position in which theramps semitrailer 5. -
Such means 31 consist influid power cylinders 32, one located centrally between each pair oframps 29 and 30 (fig 7), of which therod end 32a is hinged to thecradle structure 4 about a secondhorizontal pivot 34, located internally of thecradle 4 and parallel to thefirst pivot 33, and the remaining end connects by way of athird hinge pivot 35 with theramps - Means 7 for elevating the
cradle structure 4 from theflat car bogies relative actuators means 7 are stowed under thecradle structure 4 and occupy a minimum of vertical space; and operative, substantially projecting from thecradle structure 4 and in contact with a datum surface P beneath. - In the example of figs 2 and 3, elevating
means 7 consist in a battery ofsingle actuators 11 and 12 (illustrated as fluid power cylinders) arranged in four opposed pairs of which first ends are anchored pivotably to separate points of a load bearingplatform 13, associated permanently with thecradle structure 4 by way of the aforementioned rotation means 9, and the remaining ends are hinged in pairs to fourrespective feet 14 destined to enter into contact with the datum surface P, which in this instance is provided by therailway track 3. - In the stowed position, each pair of
cylinders respective recess 13a afforded by theplatform 13; in effect, the platform comprises two pairs of horizontal and parallellongitudinal members 15 and 16 (see fig 2) between which two pairs ofcylinders - The rotation means 9 of the rail car disclosed are incorporated into the
platform 13, barycentrically positioned and interconnecting the platform and thecradle 4; such means 9 compriseactuators cradle 4 and bring about its rotation between a position fully inboard in relation to the twoflat car bogies elevating means 7, a roll-on/roll-off position in which the raised cradle is rotated about a vertical barycentric axis X (fig 2a), projecting outboard in relation to the twoflat car bogies - In the example of fig 2, the rotation means 9 are embodied as a
slewing ring 17 accommodated in part by the load bearingplatform 13, internally of a centralcircular opening 13b that also accommodates the twoactuators cylinders respective rods lever 20 that is rotatable as one with thecradle 4 back and forth between the inboard and outboard positions described above. - 10 denotes pantograph means installed on each side of the rotation means 9, disposed transversely to the longitudinal axis of the cradle structure 4 (see figs 2 and 4), which are designed to impinge on the cradle structure, and more exactly on the
platform 13, thereby providing transverse stability when theelevating means 7 are in their operative position. - In the example of the drawings, such pantograph means 10 consist in two parallel
pantograph type linkages platform 13 and disposed substantially transverse to theelevating means 7; the twolinkages platform 13, and at the remaining end to thefeet 14 on each side. With the elevatingmeans 7 occupying the operative position, thepantographs platform 13, to a transverse bracing position assumed with thefeet 14 planted on the datum surface P. - In order to ensure stability and safety in transit, each
pantograph platform 13 with interference means consisting in apin 24, one to eachlinkage platform 13 and disposed at right angles to the direction of movement of thepantograph 10; eachpin 24 is fastened coaxially by one end (see fig 4) to the rod of acylinder 71 mounted horizontally to theplatform 13, and can be reciprocated thus between a non-operative position, distanced from thepantographs pin 24 is stably inserted into acorresponding socket 25 afforded by thepantographs pin 24 is provided at its point of attachment to the relative piston rod with acontact bar 72, disposed in a vertical plane, the purpose of which is to impinge upon and compress asafety valve 73 when thepin 24 is in the position of interference; thevalve 73 is mounted to theplatform 13, and connected into asafety circuit 59 that constitutes a standard item of the car's equipment (illustrated only in part), by which all of the air- operated components are governed, and by which the movement of the car at departure is ultimately enabled or inhibited. More exactly, thesafety valve 73 is connected into the air braking system with which all rolling stock is fitted, and functions in the manner of the emergency air brake valve located in passenger compartments, as do all other similiar safety valves to which reference is made in the course of the description, i.e. with thevalve 73 in the closed position and blocking the relative air line, the circuit no longer exhausts but stays pressurized, thus enabling operation; accordingly, when all such safety circuits are pressurized, the train can move off. - 36 and 37 denote stabilizing means associated with the underside of the
cradle structure 4 at each of its ends (see figs 5, 6 and 8), which consist in cylindrical supports withbases such support cradle 4 and is operated in conjunction with a parallel andexternal lever 38 of which one end is rigidly associated with the cylinder. Thissame lever 38 is pivoted at its remaining end to thepiston rod 39a of afurther cylinder 39 located internally of and anchored to the cradle structure, by means of which thecylinders body 26 of thecradle 4 to an essentially vertical position projecting downwards from the cradle with thebases stabilizer cylinder second cylinder 40 of smaller diameter, coaxially disposed and with its two ends anchored to the corresponding ends of thelarger cylinder - Also discernible from figs 8 and 8a, the
stabilizer cylinders horizontal pins 74, one to each cylinder, fastened by one end to the rod of arespective cylinder 75 mounted horizontally to the cradle structure 4 (the twopins 74 andcylinders 75 serving each pair ofstabilizers second pin 74 is reciprocated by therelative cylinder 75 between a non-operative limit position, distanced from thecylinder cylinders pin 74 is interposed between the stabilizer and the datum surface P. - Like the
first pins 24, eachsecond pin 74 carries a second vertically orientatedbar 76 at the end associated with thecylinder 75, which, with thecylinder pin 74 moved into the interference position, will engage asecond safety valve 77 mounted to thecradle 4 directly in the path of the bar; here too, thevalve 77 is connected up to thesafety circuit 59 of the rail car. - In transit, the
cradle structure 4 and the twoflat car bodies bolts 42, mounted to the two flat cars, which locate incorresponding sockets 43 incorporated into the cradle 4 (fig 10); thebolts 42 are arranged in pairs issuing from the inward facing ends of the flat car bodies, parallel with one another and with the datum surface P. - Each
bolt 42 affords a coaxial threadedcylindrical seating 44 to accommodate a threadedstud 45 by which thecradle structure 4 and thebody stud 45 is rotatable about its own axis and keyed coaxially at one end to agear 46 in mesh with a vertical rack denoted 47, located to one side of thestud 45 and capable of reciprocating movement produced by acylinder 48 anchored to the car, in such a way as to distance and clamp the corresponding T-bolt 42 respectively from and against the near face of therelative socket 43. - As discernible from figs 10a and 10b, the shank of the T-
bolt 42 is of octagonal external section, and inserted into abush 80 of corresponding internal section associated with theflat car body bush 80 is rigidly associated with one end of a transversely disposedlever 81, of which the remaining end is secured pivotably to therod 82a of acylinder 82 anchored in its turn internally of the relativeflat car body lever 81 between a substantially vertical position and a substantially horizontal position (with the T-bolt in the distanced position, needless to say). Thus, the T-bolt can be made to rotate between a vertical position of engagement with thesocket 43, and a horizontal position enabling its release (phantom line, fig 10b). - As illustrated in figs 1 and 9, the
semitrailer 5 is provided at one end with avertical pivot 5m destined to couple with a bearing afforded by the tractor truck, and a telescopic strut orparking leg 5a that is supported internally of thecradle structure 4 by means denoted 49 in their entirety; such means 49 are mounted to the deck B of the cradle structure, and capable of movement between an at-rest limit position, lowered onto the deck B (bold line at left of fig 9), and an operative position raised from the deck B, assumed when thecradle structure 4 is rotated into the outboard position. - In the example of fig 9, means 49 supporting the
trailer leg 5a comprise a pair ofpantographs leg 5a is positioned; the table 51 is anchored at one end to therod 54a of acylinder 54 hinged at its remaining end to the deck B and set an an angle such as will permit of manoeuvring the table 51 between the lowered and raised positions. In an alternative embodiment of these same support means 49, the hingedcylinder 54 might be replaced by a telescopic actuator 50 (illustrated in phantom line, fig 9) attached by its respective ends to the deck B and to the underside of the table 51, in a central position, and flanked on either side by thepantographs - Fig 5 schematically illustrates the aforementioned interlocking means 60, embodied in this instance as a pair of
brackets 61 associated preferably though by no means necessarily with each side of theload bearing platform 13; each bracket projects beneath and thus interferes with therelative beam platform 13 and thebeams - 83 denotes third interference means associated with each
flat car body flat car flat car body cradle structure 4, and an operative position of interference (obtainable with thecradle 4 rotated inboard), swung through 180° and in lateral contact with therelative arms 4a of thecradle structure 4; in the operative position, eachbar 83 locates in aclevis element 84 rigidly associated with theflat car body - To advantage, a safety valve similar to those previously described might be fitted internally of the
clevis 84 and connected up to the standard air circuit of the rail car (not illustrated). - As discernible from the foregoing specification, the rail car according to the invention exhibits notable compactness when loaded, inasmuch as the two
bogies beams cradle structure 4 by way of the T-bolts 42. In addition, thebulge profile 26a of thebody 26 conveniently accommodates all such means as remain idle during transit, particularly the elevating and stabilizing means, which thus remain neatly stowed. As regards removal of thesemitrailer 5 from the car, the necessary manoeuvres can be effected even in rail yards not specifically equipped for the purpose. - In practical application, the rail car is stationed alongside a bay of the loading yard (or indeed any convenient space in which the road vehicle can be manoeuvred), whereupon the T-
bolts 42 are released to leave thecradle structure 4 simply resting on theflat cars cylinders means 7 are operated to lower the fourfeet 14, thereby lifting theplatform 13 and raising thecradle structure 4 off the flat cars to stand free on the track P; thepantograph stabilizers 10 also extend, bracing theelevated platform 13 transversely. As the cradle is raised to the elevated position, the interlocking means 60 impinge upwardly on thebeams flat car bodies - At this point, the rotation means 9 are operated to swing the
cradle structure 4 about its vertical axis X through an angle of approximately 45 from the longitudinal axis of the rail car; with the vertical axis X located barycentrically, the weight of the rotating cradle can be supported entirely by the slewingring 17, without any additional rolling or sliding support. Following rotation, the two sets ofstabilizer cylinders cradle 4 in readiness for thesemitrailer 5 to roll on (or roll off); at the same time, theendmost cylinders 31 will operate to lower theramps - With the stabilizers and ramps set down, a tractor truck and
semitrailer 5 can roll onto the cradle 4 (either forward or in reverse), to the point where the trailer wheels locate in correspondingwells 95 and theparking leg 5a is positioned directly above the support means 49, which then operate to raise the front end of the semitrailer and separate thepivot 5m from the tractor, allowing the tractor to drive away. Thecradle 4 is now rotated inboard and lowered onto the bogies by reversing the procedure described above, the support means 49 are lowered, and thepivot articulation 5m drops into aseat 96 of conventional embodiment fitted to at least one of theflat cars - In an alternative embodiment of the rail car, the
beams flat car bodies socket 41 a afforded by thedownward projection 41 of the flat car body, in which at least one end of the relative beam is freely accommodated, cushioned by belleville disk springs 97 on either side in such a way that the flat car can be distanced from thecradle 4 prior to its rotation and thus provide the necessary longitudinal clearance. - The foregoing description implies no limitation; for example, the same car might be equipped for truck-and-full-trailer duty, in which case the longitudinal dimensions would be increased and the cradle deck embodied flat with the continuity of its surface unbroken from end to end.
Claims (19)
characterized in that it comprises two bogies (1, 2) running on rail tracks (3), and between the bogies,
characterized
in that it comprises two bogies (1, 2) running on rail tracks (3), and between the bogies,
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT356890 | 1990-06-25 | ||
IT00356890A IT1246824B (en) | 1990-06-25 | 1990-06-25 | RAILWAY WAGON FOR THE RECOVERY AND TRANSPORT OF INDUSTRIAL ROAD VEHICLES. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0463283A1 true EP0463283A1 (en) | 1992-01-02 |
EP0463283B1 EP0463283B1 (en) | 1995-06-28 |
Family
ID=11109878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90830478A Expired - Lifetime EP0463283B1 (en) | 1990-06-25 | 1990-10-23 | A rail car for the carriage and transportation of commercial road vehicles |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0463283B1 (en) |
AT (1) | ATE124345T1 (en) |
DE (1) | DE69020545T2 (en) |
IT (1) | IT1246824B (en) |
PL (1) | PL290272A1 (en) |
YU (1) | YU47924B (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993018951A1 (en) * | 1992-03-23 | 1993-09-30 | Walda, Nanne, Marcel | Wagon with lowest self-carrying revolving platform; hydraulic hoist bridge |
EP0622284A1 (en) * | 1993-04-29 | 1994-11-02 | Immobiliare Varcas S.P.A. | An improvement to a rail car for the carriage and transportation of commercial road vehicles |
EP0768226A2 (en) * | 1995-10-04 | 1997-04-16 | Matthias Gradenwitz | Cargosystem with rotating bridges for loading and unloading of bulk goods, especially road vehicles on railway trains |
FR2774054A1 (en) * | 1998-01-28 | 1999-07-30 | Garrec Roger Le | WAGON WITH PIVOTING PLATFORM ALLOWING QUICKLY BOARDING, ATTACHING, DISEMBARKING A TRUCK |
EP1348603A1 (en) * | 2002-03-26 | 2003-10-01 | Felipe Bartos Castelo | Rail wagon for transporting road vehicles |
EP2228278A1 (en) | 2009-03-12 | 2010-09-15 | Manfred Gerlach | Wagon |
CN104527689A (en) * | 2015-01-05 | 2015-04-22 | 齐齐哈尔轨道交通装备有限责任公司 | Loading device and piggyback transportation vehicle provided with same |
CN104828033A (en) * | 2015-02-09 | 2015-08-12 | 郭卫康 | Motor vehicle in-situ steering device and method for train platform |
CN104828101A (en) * | 2015-02-09 | 2015-08-12 | 郭卫康 | Motor vehicle in-situ steering device and method for train |
EP3299244A1 (en) * | 2016-09-21 | 2018-03-28 | Paul Bunzel | Track-bound freight wagon for transporting stand-alone transport vehicles |
CN110450796A (en) * | 2019-09-19 | 2019-11-15 | 中车眉山车辆有限公司 | It is a kind of to transport U-shaped or box-shaped precast beam rail transporter group |
CN111301449A (en) * | 2020-02-28 | 2020-06-19 | 中车齐齐哈尔车辆有限公司 | Piggyback transportation system for rotary loading and unloading of goods |
CN113049271A (en) * | 2021-04-07 | 2021-06-29 | 中车齐齐哈尔车辆有限公司 | Ground device for verifying performance of piggyback transport vehicle |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2782733A (en) * | 1954-09-16 | 1957-02-26 | Ewing Joseph | Railroad car for transporting road vehicles |
US3207087A (en) * | 1962-12-19 | 1965-09-21 | Clifford S Goby | Railway car having a vertically movable load support platform |
FR1463056A (en) * | 1965-09-24 | 1966-12-23 | Side loading and unloading wagon by translation | |
DE1242667B (en) * | 1964-08-07 | 1967-06-22 | Rheinstahl Siegener Eisenbahnb | Rail vehicle for transporting a semitrailer |
FR1595573A (en) * | 1968-07-19 | 1970-06-15 |
-
1990
- 1990-06-25 IT IT00356890A patent/IT1246824B/en active IP Right Grant
- 1990-10-23 AT AT90830478T patent/ATE124345T1/en not_active IP Right Cessation
- 1990-10-23 EP EP90830478A patent/EP0463283B1/en not_active Expired - Lifetime
- 1990-10-23 DE DE69020545T patent/DE69020545T2/en not_active Expired - Fee Related
-
1991
- 1991-05-06 YU YU79291A patent/YU47924B/en unknown
- 1991-05-16 PL PL29027291A patent/PL290272A1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2782733A (en) * | 1954-09-16 | 1957-02-26 | Ewing Joseph | Railroad car for transporting road vehicles |
US3207087A (en) * | 1962-12-19 | 1965-09-21 | Clifford S Goby | Railway car having a vertically movable load support platform |
DE1242667B (en) * | 1964-08-07 | 1967-06-22 | Rheinstahl Siegener Eisenbahnb | Rail vehicle for transporting a semitrailer |
FR1463056A (en) * | 1965-09-24 | 1966-12-23 | Side loading and unloading wagon by translation | |
FR1595573A (en) * | 1968-07-19 | 1970-06-15 |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993018951A1 (en) * | 1992-03-23 | 1993-09-30 | Walda, Nanne, Marcel | Wagon with lowest self-carrying revolving platform; hydraulic hoist bridge |
EP0622284A1 (en) * | 1993-04-29 | 1994-11-02 | Immobiliare Varcas S.P.A. | An improvement to a rail car for the carriage and transportation of commercial road vehicles |
EP0768226A2 (en) * | 1995-10-04 | 1997-04-16 | Matthias Gradenwitz | Cargosystem with rotating bridges for loading and unloading of bulk goods, especially road vehicles on railway trains |
EP0768226A3 (en) * | 1995-10-04 | 1998-07-29 | Matthias Gradenwitz | Cargosystem with rotating bridges for loading and unloading of bulk goods, especially road vehicles on railway trains |
FR2774054A1 (en) * | 1998-01-28 | 1999-07-30 | Garrec Roger Le | WAGON WITH PIVOTING PLATFORM ALLOWING QUICKLY BOARDING, ATTACHING, DISEMBARKING A TRUCK |
EP0933278A1 (en) * | 1998-01-28 | 1999-08-04 | Roger Le Garrec | Wagon with pivoting platform enabling the rapid loading, securing and unloading of a truck |
EP1348603A1 (en) * | 2002-03-26 | 2003-10-01 | Felipe Bartos Castelo | Rail wagon for transporting road vehicles |
EP2228278A1 (en) | 2009-03-12 | 2010-09-15 | Manfred Gerlach | Wagon |
CN104527689A (en) * | 2015-01-05 | 2015-04-22 | 齐齐哈尔轨道交通装备有限责任公司 | Loading device and piggyback transportation vehicle provided with same |
CN104828033A (en) * | 2015-02-09 | 2015-08-12 | 郭卫康 | Motor vehicle in-situ steering device and method for train platform |
CN104828101A (en) * | 2015-02-09 | 2015-08-12 | 郭卫康 | Motor vehicle in-situ steering device and method for train |
EP3299244A1 (en) * | 2016-09-21 | 2018-03-28 | Paul Bunzel | Track-bound freight wagon for transporting stand-alone transport vehicles |
CN110450796A (en) * | 2019-09-19 | 2019-11-15 | 中车眉山车辆有限公司 | It is a kind of to transport U-shaped or box-shaped precast beam rail transporter group |
CN110450796B (en) * | 2019-09-19 | 2024-03-19 | 中车眉山车辆有限公司 | Railway transportation train unit for transporting U-shaped or box-shaped precast beams |
CN111301449A (en) * | 2020-02-28 | 2020-06-19 | 中车齐齐哈尔车辆有限公司 | Piggyback transportation system for rotary loading and unloading of goods |
CN113049271A (en) * | 2021-04-07 | 2021-06-29 | 中车齐齐哈尔车辆有限公司 | Ground device for verifying performance of piggyback transport vehicle |
CN113049271B (en) * | 2021-04-07 | 2022-04-12 | 中车齐齐哈尔车辆有限公司 | Ground device for verifying performance of piggyback transport vehicle |
Also Published As
Publication number | Publication date |
---|---|
DE69020545T2 (en) | 1995-11-30 |
IT9003568A1 (en) | 1991-12-25 |
IT9003568A0 (en) | 1990-06-25 |
YU47924B (en) | 1996-05-20 |
EP0463283B1 (en) | 1995-06-28 |
DE69020545D1 (en) | 1995-08-03 |
PL290272A1 (en) | 1992-06-01 |
YU79291A (en) | 1994-11-15 |
IT1246824B (en) | 1994-11-28 |
ATE124345T1 (en) | 1995-07-15 |
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