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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B61—RAILWAYS
  • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
  • B61D3/00—Wagons or vans
  • B61D3/10—Articulated vehicles
• • 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
  • B61D3/20—Wagons or vans adapted for carrying special loads for forwarding containers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B61—RAILWAYS
  • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
  • B61F1/00—Underframes
  • B61F1/02—Underframes with a single central sill
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B61—RAILWAYS
  • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
  • B61F1/00—Underframes
  • B61F1/08—Details

Definitions

• the present invention relates to the general field of freight wagons and, more particularly, to a wagon structure, articulated or not, intended to support road trailers or containers.
• wagons with a flat surface In the field of rail freight transport, it is common practice to use wagons with a flat surface to support road trailers or containers. These wagons typically have a central longitudinal section with a coupling platform at each end, and mounting brackets positioned opposite each other on either side of the central longitudinal section. These brackets are distributed along the length of the central longitudinal section between the coupling platforms, the upper surfaces of the coupling platforms, the central longitudinal section, and the mounting brackets, thus defining the flat surface. These wagons also have two bogies on which the structure rests at the coupling platforms.
• articulated wagons are commonly used. These wagons have a flat area to support the trailers or containers and a central articulation to facilitate movement. They consist of two structures, each conventionally composed of a central longitudinal section with a coupling platform and an articulation platform at its ends, and mounting brackets positioned opposite each other on either side of the central longitudinal section. These brackets are distributed along the length of the central longitudinal section between the coupling and articulation platforms, with the upper surfaces of the coupling and articulation platforms, the central longitudinal section, and the mounting brackets defining the flat area. These articulated wagons also have three bogies on which the structures rest at the coupling and articulation platforms.
• the aim of the present invention is therefore to overcome the aforementioned drawbacks and to offer an alternative to known freight wagons.
• This alternative has a structure comprising fewer parts and is less rigid, simpler, and lighter, thus allowing for easier, faster, and more economical manufacturing and implementation. Furthermore, this alternative also enables standardized manufacturing regardless of the wagon's type and length.
• each of the first and second coupling platforms includes a cross member in the general shape of a tube consisting of at least two parallel vertical webs, arranged transversely between the upper and lower walls, and connecting the latter to each other.
• the longitudinal central beam is articulated and comprises two boxes arranged in line with each other and connected by an articulation platform arranged to receive a bogie in order to be able to run on railway tracks, said articulation platform being divided into two parts, a male part and a female part connected by articulation means.
• each of the male and female parts of the articulation platform advantageously includes a cross member in the general shape of a tube consisting of at least two parallel vertical webs arranged transversely between the upper and lower walls, and connecting the latter to each other.
• Each of said male and female parts is also formed by the end of the associated box opposite the first or second coupling platform, said end being such that the upper and lower wings of said box each include a horizontally extending protrusion shaped to be fixed respectively at the end and in the continuation of the upper and lower walls of the corresponding end of said male and female parts, the vertical webs of the box then extending to the end of said protrusions.
• said protrusions are closed at least in part at the periphery by two angle brackets so that the whole protrusions - angle brackets form a box.
• the present invention relates to a freight car structure for transporting goods such as, for example, containers, tanks, coils (a coil of sheet metal produced by hot rolling), hoppers, or logs. Furthermore, depending on the length of the car, the structure will be articulated or not. Thus, for cars of approximately 60 feet or less in length, the structure will be non-articulated, and for cars of greater length, the structure will be articulated.
• a structure 1 of a non-articulated freight wagon has been represented, the structure 1 being intended, on the one hand, to support the goods and, on the other hand, to receive two bogies configured to run on railway tracks, the said bogies and goods not being represented on the figures, in order not to overload them.
• box refers to an element or part of an element comprising two substantially horizontal walls connected by two substantially vertical walls so as to have a cross-section in the general shape of a quadrilateral.
• the upper and lower wings 7, 8 and the webs 12 can be formed from several pieces assembled conventionally by welding and can be perforated without going out of the scope of the present invention.
• the box girder formed by the upper and lower flanges 7, 8 and the two webs 12 allows for the possible passage of electrical cables and/or hydraulic and pneumatic circuits. Furthermore, this type of box girder 2 is significantly more flexible than a truss structure. In addition, with this configuration, the height of the central girder 2 is greatest at the midwall 9 of its lower flange 8 and greatest at the endwalls 10 of its lower flange 8. This configuration This specific design allows for limiting the weight of the central beam 2 while ensuring its high mechanical strength, in order to comply with the functional requirements of freight transport standards (definition of a maximum deflection for a given load case). Thus, thanks to its flexibility and lightness, the box-section configuration of the central beam 2 improves the rail-friendliness of a wagon equipped with the structure 1 according to the invention and reduces axle tread wear and noise emissions.
• the upper wing 7, the middle wall 9, the end walls 10, the inclined walls 11, and the webs 12 are advantageously flat. However, it goes without saying that they may also be non-flat without departing from the scope of the present invention.
• the upper wing 7 comprises a plurality of longitudinal flanges 14 arranged opposite each other along each of its vertical longitudinal faces 15, each longitudinal flange 14 being able to receive at least a part of one of the longitudinal supports 5.
• Each longitudinal flange 14 advantageously has a fillet 16 at the junction of each of its vertical lateral faces 17 with the corresponding vertical longitudinal face 15 of the upper wing 7, in order to avoid having a sharp angle and to reduce the concentrations of mechanical stresses.
• said structure 1 also includes first and second hitching platforms 3, 4 each fixed to one of the longitudinal ends of said central beam 2.
• each of the first and second coupling platforms 3, 4 also includes a cross member 24 in the general shape of a tube consisting of at least two parallel vertical webs 25 arranged transversely between the upper and lower walls 19, 22, and connecting the latter to each other, said cross member 24 being arranged to allow the fixing of a bogie under the first coupling platform 3 or the second coupling platform 4 and to take up the associated mechanical forces, but also to allow the possible passage of electrical cables and/or the hydraulic and pneumatic circuit.
• the upper and lower walls 19, 22 can be formed from several pieces assembled conventionally by welding and can be perforated without going out of the scope of the present invention.
• each of the first and second hitching platforms 3, 4 is relatively low and equal to the minimum height of the central beam 2, that is, the height at the longitudinal ends of its box girder 6 at the level of the end walls 10 of its lower wing 8.
• This configuration is advantageous because it optimizes the structure 1 according to the invention by significantly reducing its weight.
• each of the first and second hitching platforms 3, 4 is assembled onto the central beam 2, with its upper and lower walls 19, 22 fixed respectively to and in line with the upper wing 7 and one of the two end walls 10 of the lower wing 8 of said central beam 2.
• each of the first and second coupling platforms 3, 4" here refers to the overall dimension between their upper wall 19 and their lower wall 22.
• Each of the first and second hitching platforms 3, 4 further comprises a housing 26 arranged on its lateral face located on the side opposite the central beam 2 of the structure 1, said recess 26 being arranged to receive a part of a coupling allowing said structure 1 according to the invention to be coupled to a structure 1 of an adjacent wagon or to a locomotive.
• the horizontal portion 20 of the upper wall 19 of each of the first and second hitching platforms 3, 4 comprises a horizontal lateral flange 27 extending from its inner lateral face 28, that is, its lateral face located on the side of the central beam 2 of the structure 1, and in the direction of said central beam 2, said lateral flange 27 being adapted to allow the attachment of at least a portion of said central beam 2, in particular the attachment of one of the longitudinal ends of the upper flange 7 thereof.
• Each lateral flange 27 advantageously has a fillet 29 at the junction of each of its vertical lateral faces 30 with the inner lateral face 28 of the horizontal portion 20, so as to avoid sharp angles and reduce the concentrations of mechanical stresses.
• the lower wall 22 of each of the first and second hitching platforms 3, 4 has a horizontal lateral flange 31 extending from its inner lateral face, that is, its lateral face located on the side of the central beam 2 of the structure 1, and in the direction of said central beam 2.
• This lateral flange 31 is adapted to allow the attachment of at least a portion of said central beam 2, in particular the attachment of one of the two end walls 10 of the lower wing 8 thereof.
• Each lateral flange 31 advantageously has a fillet at the junction of each of its vertical lateral faces with the inner lateral face of the lower wall 22, so as to avoid sharp angles and reduce the concentrations of mechanical stresses.
• Each of the first and second coupling platforms 3, 4 further comprises a plurality of reinforcements 35 fixed to the horizontal portion 20 of its upper wall 19 opposite each other along the longitudinal edges of said horizontal portion 20, each reinforcement 35 receiving one or more retractable pegs 36 arranged to cooperate or not with the goods loaded onto the structure 1, the number of reinforcements 35 and pegs 36 varying according to the desired loading configurations.
• said structure 1 finally comprises a plurality of longitudinal supports 5 fixed opposite each other on either side of said central beam 2 and distributed along the latter between said first and second hitching platforms 3, 4.
• each longitudinal support 5 is generally V-shaped so that the end of each of its branches 43 is fixed on and in the extension of the upper wing 7 of the box 6 of the central beam 2 and, where appropriate, on and in the extension of one of the longitudinal edges 14 of said central beam 2.
• Each longitudinal support 5 further includes one or more reinforcements 44 fixed to the horizontal portion 38 of its upper wall 37, each reinforcement 44 receiving one or more retractable pegs 45 arranged to cooperate or not with the merchandise loaded onto the structure 1, the number of reinforcements 44 and pegs 45 varying according to the desired loading configurations.
• FIG. 10 to 12 A variant embodiment of the structure according to the invention has been shown, namely a structure 51 intended for wagons of length greater than approximately 60 feet, said structure 51 being similar to structure 1 previously described.
• the first and second coupling platforms 53, 54 and the longitudinal supports 55 are advantageously identical to the first and second coupling platforms 3, 4 and the longitudinal supports 5 previously described.
• structure 51 differs from structure 1 previously described in that its central beam 52 is hinged.
• these two boxes 56 are identical to the box 6 previously described and arranged in line with each other and are connected to each other by an articulation platform 63.
• this articulation platform 63 is divided into 2 parts, a male part 64 and a female part 65, the latter being connected to each other by articulation means 66, for example of the "Talbot" type.
• each of the male 64 and female 65 parts of the articulation platform 62 also includes a cross member 74, 75 in the general form of a tube made up of at least two parallel vertical webs 76, 77 arranged transversely between the upper and lower walls 68, 69; 70, 71, and connecting the latter to each other, said cross member 74, 75 being arranged to allow the fixing of a bogie under the male 64 and female 65 parts of the articulation platform 63 and to take up the associated mechanical forces, but also to allow the possible passage of electrical cables and/or the hydraulic and pneumatic circuit.
• each of the male 64 and female 65 parts of the articulation platform 63 is relatively low and equal to the minimum height of the central beam 52, that is, the height at the longitudinal ends of its box 56 corresponding to the level of the end walls 60 of its lower wing 58.
• This configuration is advantageous because it optimizes the structure 51 according to the invention by significantly reducing its weight.
• each of the male 64 and female 65 parts of the articulation platform 63 is assembled onto the corresponding box 67 of the central beam 52 by fixing their upper and lower walls 68, 69; 70, 71 respectively onto and in line with the upper wing 57 and one of the two end walls 60 of the lower wing 58 of said corresponding box 67.
• each of the male parts 64 and female parts 65 of the articulation platform 63 refers here to the overall dimension between their upper wall 68, 69 and their lower wall 70, 71.
• the structure 1, 51 according to the invention advantageously comprises protective tubes 79 against the risk of personal injury, these tubes 79 extending longitudinally between the free ends of the supports 5, 55 and between the first and second coupling platforms 3, 4; 53, 54 and said free ends of supports 5, 55 (Cf. Figure 10 ).
• the invention also relates to a second embodiment of a structure 1 of an articulated or non-articulated freight wagon, this second embodiment making it possible to further reduce the number of parts and to manufacture and implement more easily, quickly and economically.
• a structure 101 of a non-articulated freight wagon has been represented, the structure 101 being intended, on the one hand, to support the goods and, on the other hand, to receive two bogies configured to run on railway tracks, the said bogies and goods not being represented on the figures, in order not to overload them.
• box refers to an element or part of an element comprising two substantially horizontal walls connected by two substantially vertical walls so as to have a cross-section in the general shape of a quadrilateral.
• the upper and lower wings 107, 108 and the webs 12 can be formed from several parts conventionally assembled by welding and can be perforated without departing from the scope of the present invention. However, advantageously, the upper wing 107 will be obtained by laser cutting.
• the box 106 which is formed by the upper and lower wings 107, 108 and the two webs 112, allows the possible passage of electrical cables and/or the hydraulic and pneumatic circuit, and that this type of central beam 102 in variable height box is significantly more flexible than a truss structure and makes it possible to limit the weight of said central beam 102 while guaranteeing a high mechanical resistance of the latter, which has the effect of improving the rail friendliness of a wagon equipped with the structure 101 according to the invention and reducing the wear of the tread of the axles and the noise emissions.
• the upper wing 107, the middle wall 109, the end walls 110, the inclined walls 111, and the webs 112 are advantageously flat. However, it goes without saying that they may also be non-flat without departing from the scope of the present invention.
• the upper wing 7 of the box 106 comprises a plurality of longitudinal flanges 114 arranged opposite each other along each of its vertical longitudinal faces 115, each longitudinal flange 114 being capable of forming at least part of one of the longitudinal supports 105.
• each longitudinal flange 114 has a general trapezoidal shape and presents a fillet 116 at the junction of each of the vertical lateral faces 117 of said longitudinal flange 114 with the corresponding vertical longitudinal face 115 of the upper wing 107, so as not to have a sharp angle and to reduce the concentrations of mechanical stresses.
• each longitudinal edge 114 is advantageously perforated in order to limit the weight of the upper wing 7 of the box 106.
• the longitudinal ends of the box 106 namely those of the upper wing 107 and the two end walls 110 of the lower wing 108, flare outwards towards the outside of the box 6.
• said structure 101 also includes first and second hitching platforms 103, 104 each fixed to one of the longitudinal ends of said central beam 102.
• each of the first and second coupling platforms 103, 104 also includes a cross member 124 in the general form of a tube made up of at least two parallel vertical webs 125 arranged transversely between the upper and lower walls 119, 122, and connecting the latter to each other, said cross member 124 being arranged to allow the fixing of a bogie under the first coupling platform 103 or the second coupling platform 104 and to take up the associated mechanical forces, but also to allow the possible passage of electrical cables and/or the hydraulic and pneumatic circuit.
• the upper and lower walls 119, 122 can be formed from several pieces assembled conventionally by welding and can be perforated without going out of the scope of the present invention.
• each of the first and second hitching platforms 103, 104 is relatively low and equal to the minimum height of the central beam 102, that is, the height at the longitudinal ends of its box girder 106 at the level of the end walls 110 of its lower wing 108.
• This configuration is advantageous because it optimizes the structure 101 according to the invention by significantly reducing its weight.
• each of the first and second hitching platforms 103, 104 is assembled onto the central beam 102, with its upper and lower walls 119, 122 fixed respectively to and in line with the upper wing 17 and one of the two end walls 110 of the lower wing 108 of said central beam 102.
• each of the first and second coupling platforms 103, 104" here refers to the overall dimension between their upper wall 119 and their lower wall 122.
• each of the first and second coupling platforms 103, 104 further includes a housing 126 arranged on its lateral face located on the opposite side to the central beam 102 of the structure 101, said recess 126 being arranged to receive part of a coupling allowing said structure 101 according to the invention to be coupled to a structure 101 of an adjacent wagon or to a locomotive.
• the horizontal portion 120 of the upper wall 119 of each of the first and second hitching platforms 103, 104 comprises a horizontal lateral edge 127 extending from its inner lateral face 128, that is, its lateral face located on the side of the central beam 102 of the structure 101, and in the direction of said central beam 102, said lateral edge 127 being adapted to allow the attachment of at least a portion of said central beam 102, in particular the attachment of one of the longitudinal ends of the upper flange 107 thereof.
• Each lateral edge 127 advantageously has a fillet 129 at the junction of each of its vertical lateral faces 130 with the inner lateral face 128 of the horizontal portion 120, so as to avoid sharp angles and reduce the concentrations of mechanical stresses.
• the lower wall 122 of each of the first and second hitching platforms 103, 104 has a horizontal lateral edge 131 extending from its inner lateral face, that is, its lateral face located on the side of the central beam 102 of the structure 101, and in the direction of said central beam 102.
• This lateral edge 131 is adapted to allow the attachment of at least a portion of said central beam 102, in particular the attachment of one of the two end walls 110 of the lower wing 108 of the latter.
• Each lateral edge 131 advantageously has a fillet at the junction of each of its vertical lateral faces with the inner lateral face of the lower wall 122, so as to avoid sharp angles and reduce the concentration of mechanical stresses.
• Each of the first and second coupling platforms 103, 104 further comprises a plurality of reinforcements 132 fixed to the horizontal portion 120 of its upper wall 119 opposite each other along the longitudinal edges of said horizontal portion 120, each reinforcement 132 receiving one or more retractable pegs 133 arranged to cooperate or not with the goods loaded onto the structure 101, the number of reinforcements 132 and pegs 133 varying according to the desired loading configurations.
• said structure 101 finally includes a plurality of longitudinal supports 105 fixed opposite each other on either side of said central beam 102 and distributed along the latter between said first and second hitching platforms 103, 104, said longitudinal supports 105 differ in part from the longitudinal supports 5 of structure 1 previously described.
• Each longitudinal support 105 further includes one or more reinforcements 139 fixed to the associated longitudinal rim 114 of the upper wing 107 of the box 106 of the central beam 102, each reinforcement 139 receiving one or more retractable pegs 140 arranged to cooperate or not with the goods loaded onto the structure 1, the number of reinforcements 139 and pegs 140 varying according to the desired loading configurations.
• a variant of an articulated embodiment of the structure 101 according to the invention has been represented, namely a structure 151 intended for wagons of a length greater than about 60 feet, said structure 151 being similar to the structure 101 previously described.
• the first and second coupling platforms 153, 154 and the longitudinal supports 155 are advantageously identical to the first and second coupling platforms 103, 104 and the longitudinal supports 105 previously described.
• structure 151 differs from structure 101 previously described in that its central beam 152 is hinged.
• these two boxes 156 are similar to the box 106 described previously and are arranged in line with each other and are connected by a hinge platform 163. The differences between the two boxes 156 and the box 106 described previously will be explained later.
• this hinge platform 163 is divided into two parts, a male part 164 and a female part 165, the latter being connected by hinge means 166, for example of the "Talbot" type.
• each of the male 164 and female 165 parts of the articulation platform 162 also includes a cross member 174, 175 in the general shape of a tube made up of at least two parallel vertical webs 176, 177, arranged transversely between the upper and lower walls 168, 169; 170, 171, and connecting them together, said cross member 174, 175 being arranged to allow the attachment of a bogie under the parts male 164 and female 165 of the articulation platform 163 and take up the associated mechanical forces, but also to allow the possible passage of electrical cables and/or the hydraulic and pneumatic circuit.
• the upper and lower walls 168, 169; 170, 171 and the two vertical walls 172, 173 can also be perforated and linked together by a plurality of internal sails 178.
• each of the male 164 and female 165 parts of the articulation platform 163 is also formed by the end of the associated box 156.
• the end of each box 156 opposite the first or second coupling platform 153, 154 is such that the upper and lower wings 107, 108 of said box 156 each include an outgrowth 179, 180 extending horizontally and shaped to be fixed respectively at the end and in the continuation of the upper and lower walls 168, 169; 170, 171 of the corresponding end of the male 164 and female 165 parts of the articulation platform 163,
• the end of each of the said upper and lower wings 107, 108 of the said box 156 has a general T shape.
• the vertical webs 162 of the box 156 then extend to the end of the said protrusions 179, 180, the latter being moreover advantageously closed at least in part at the periphery by two angle brackets 181 so that the whole protrusions 179, 180 - angle brackets 181 forms a box.
• each of the male 164 and female 165 parts of the articulation platform 163 is relatively reduced and equal to the minimum height of the central beam 152, that is to say the height at the longitudinal ends of its box 156 corresponding to the level of the protrusions 179, 180.
• This configuration is interesting because it allows the structure 151 according to the invention to be optimized by significantly reducing its weight.
• each of the male parts 164 and female parts 165 of the articulation platform 163 refers here to the overall dimension between their upper wall 168, 169 and their lower wall 170, 171.
• the lower wing 108, 158 of the central beam 102, 152 of the structure 101, 151 has a plurality of notches 141, 142, 143 arranged on either side of the vertical webs 112, 162 (Cf. figure 14 ).
• the structure 1, 51; 101, 151 according to the invention improves rail friendliness thanks to its particular box-shaped configuration due to its flexibility and lightness, resulting in a reduction of wear on the tread of the bogie axles and noise emissions.
• the wagon structure 1, 51; 101, 151 finds particular application in the general field of freight transport on railway tracks. However, it is evident that the wagon structure 1, 51; 101, 151 can be adapted and used, for example, for passenger transport.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Transportation (AREA)
• Body Structure For Vehicles (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (3)

Family

ID=87551004

Family Applications (1)

Country Status (4)

Family Cites Families (6)

• 2023
  • 2023-08-03 HR HRP20260334TT patent/HRP20260334T1/hr unknown
  • 2023-08-03 PL PL23189537.6T patent/PL4316940T3/pl unknown
  • 2023-08-03 RS RS20260199A patent/RS67831B1/sr unknown
  • 2023-08-03 EP EP23189537.6A patent/EP4316940B1/fr active Active

Also Published As

Similar Documents

Legal Events