WO2013140976A1 - 軌条車両構体 - Google Patents

軌条車両構体 Download PDF

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Publication number
WO2013140976A1
WO2013140976A1 PCT/JP2013/055342 JP2013055342W WO2013140976A1 WO 2013140976 A1 WO2013140976 A1 WO 2013140976A1 JP 2013055342 W JP2013055342 W JP 2013055342W WO 2013140976 A1 WO2013140976 A1 WO 2013140976A1
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WO
WIPO (PCT)
Prior art keywords
rail vehicle
vehicle
extruded shape
shape member
hollow
Prior art date
Application number
PCT/JP2013/055342
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English (en)
French (fr)
Japanese (ja)
Inventor
中村　英之
久寿 山本
Original Assignee
株式会社 日立製作所
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 株式会社 日立製作所 filed Critical 株式会社 日立製作所
Priority to GB1415886.9A priority Critical patent/GB2513817B/en
Priority to IN7780DEN2014 priority patent/IN2014DN07780A/en
Priority to JP2014506109A priority patent/JP5986190B2/ja
Publication of WO2013140976A1 publication Critical patent/WO2013140976A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/08—Sides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/12—Roofs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Definitions

  • the present invention relates to weight reduction of a rail vehicle structure.
  • a rail vehicle is a generic term for vehicles operating along a laid track, and is a vehicle used for monorail vehicles, railway vehicles, trams, new transportation systems, and the like.
  • a rail vehicle is composed of a roof structure that constitutes the upper surface, a side structure that constitutes the side surface, and a frame that constitutes the lower surface, and an entrance / exit opening for passengers to get on and off the side surface.
  • a window opening for viewing and daylighting and an interior member having a function of improving heat insulation, sound insulation, and design are provided.
  • the roof structure, side structure, and underframe are made of aluminum alloy hollow extruded members composed of two facing face plates and a plurality of ribs connecting the face plates. Etc., and the method of assembling into a rail vehicle structure is becoming widespread.
  • a predetermined number of hollow extruded shapes extruded into a predetermined shape are arranged on the upper surface of the gantry along the extruding direction, and then the joint ends of the hollow extruded shapes are pushed together. Join along the combined joining line.
  • a joining method friction stir welding or welding is often used.
  • the roof structure, side structure, underframe, etc. are manufactured in the above manner.
  • Openings such as entrance / exit openings and window openings are provided at predetermined positions in the state of a hollow extruded shape or in a state before construction of a hexahedron such as a roof structure, a side structure, and a frame.
  • the wife structure is erected at both ends in the longitudinal direction of the frame
  • the side structure is erected at both ends in the width direction of the frame, and the lower end of the wife structure and the side structure and the end of the frame
  • the joint in the height direction between the joint structure and the end structure and the side structure is joined by friction stir welding, welding, mechanical fastening means, or the like.
  • the roof structure is placed on the upper end of the wife structure and the side structure, and the joint between the upper end of the wife structure and the side structure and the end of the roof structure is friction stir welded, welded, mechanical fastening means, etc.
  • Patent Document 1 The structure of the rail vehicle structure manufactured in this way is shown in Patent Document 1, for example.
  • the rigidity and strength required for the rail vehicle structure can be secured without complicated arrangement of beam members and reinforcement, thus simplifying the production as described above.
  • the receiver for attaching the device and the interior member integrally with the hollow extruded shape constituting the rail vehicle structure, it is not necessary to provide a separate receiver for the attachment portion of the device and the interior member, It brings further simplification of production.
  • life cycle energy which is the total amount of energy in each stage of procurement, production, use (operation), and reuse. Since the weight reduction of the rail vehicle structure contributes to resource saving and energy saving during operation, it is possible to reduce the use and the energy related to procurement that occupy most of the life cycle energy. Furthermore, the improvement of manufacturability such as the reduction of the joint line length can reduce the energy involved in the production.
  • the hollow extruded shape has a structure with two face plates and a plurality of ribs, and the thickness of the face plates and ribs of each part to be extruded is close to the limit of the extrusion capability of the material. This is because it is difficult to reduce the size and thickness. Also, from the viewpoint of manufacturability, since the hollow extruded shape member needs to join two face plates, there is a limit to the reduction of the joining line length.
  • the present invention aims to realize a rail vehicle structure that can achieve both weight reduction and manufacturability without increasing life cycle energy.
  • the rail vehicle structure of the present invention is configured by joining hollow extruded shapes with respect to the underframe and a plate-like structure having T-shaped ribs with respect to the side structure.
  • the extruded shape member and the hollow extruded shape member are joined to each other, and the entrance / exit opening portion and the window opening portion or the interior member of the side structure are connected to the entrance / exit opening portion and the upper and lower sides of the window opening portion or the
  • the mounting position of the mounting portion is formed so as to be arranged at the position of the hollow extruded shape member.
  • the roof structure may be formed by joining a plate-like extruded shape member having a T-shaped rib and a hollow extruded shape member.
  • the opening and the installation part of equipment and interior members that need to ensure rigidity and strength are made of hollow extruded shapes, and the other parts are made of extruded shapes with ribs.
  • the rigidity and strength required for the rail vehicle structure since it is not necessary to arrange the beam member and the reinforcement in a complicated manner, the manufacturability is not deteriorated as compared with the conventional case. Therefore, it is possible to realize a rail vehicle structure that can achieve both weight reduction and manufacturability without increasing life cycle energy.
  • FIG. 1 is a perspective view of a rail vehicle structure according to the first embodiment.
  • 2 is a cross-sectional view taken along the line AA of the rail vehicle structure shown in FIG.
  • FIG. 3 is an enlarged view of a portion B shown in FIG.
  • FIG. 4 is a perspective view of the rail vehicle structure of the second embodiment.
  • FIG. 5 is a cross-sectional view taken along line AA of the rail vehicle structure shown in FIG.
  • FIG. 6 is a perspective view of the rail vehicle structure of the third embodiment.
  • FIG. 7 is a cross-sectional view taken along the line AA of the railway vehicle structure shown in FIG.
  • FIG. 8 is a cross-sectional view of a rail vehicle structure of a comparative example.
  • FIG. 1 is a perspective view showing the entire railway vehicle structure used in the railway vehicle of this embodiment.
  • the railcar structure 1 shown in FIG. 1 includes side structures 20 that are erected at both ends in the width direction 110 of the frame 10, and wife structures 40 that are erected at both ends in the longitudinal direction 120 of the frame 10.
  • the roof structure 30 is placed on the upper ends of the side structure 20 and the wife structure 40.
  • Side beams 11 for coupling to the side structure 20 are provided at both ends in the width direction 110 of the frame 10. At both ends of the roof structure 30 in the width direction 110, shoulder portions 31 for coupling to the side structure 20 are provided.
  • the height direction, the width direction, and the length direction (longitudinal direction) of the entire structure are directions indicated by arrows 100, 110, and 120 in FIG.
  • the side structure 20 that forms the side surface of the railway vehicle structure 1 has an entrance / exit opening 21 for passengers to get on and off and a window opening 22 for daylighting to cut a part of the side structure 20 and the frame 10.
  • the entrance / exit upper side 23 that forms the upper side of the entrance / exit opening 21, the window upper side 25 that forms the upper side of the window opening 22, and the window lower side 26 that forms the lower side thereof are disposed on the side structure 20.
  • the side beam 11 forming the frame 10 is provided with an entrance lower side 24 that forms the lower side of the entrance opening 21.
  • An air conditioner 80 for managing the temperature and humidity inside the vehicle is provided at the center of the roof structure 30 in the longitudinal direction of the vehicle body.
  • the roof structure 30 in which the air conditioner 80 is disposed is provided with an air conditioning opening 81 that takes in air in the vehicle into the air conditioner 80 or supplies conditioned air into the vehicle.
  • FIG. 2 is a cross-sectional view taken along the line AA in the railway vehicle structure 1 shown in FIG. 1, and FIG. 3 is an enlarged view of a portion B in FIG.
  • the underframe 10 is configured by joining, in the width direction (a direction intersecting the longitudinal direction of the profile), an aluminum alloy hollow extruded profile 50 made of two face plates and ribs connecting the face plates. .
  • the hollow extruded shape 50 is an extruded shape having a so-called double skin structure, and the direction of extrusion is along the longitudinal direction 120 of the railway vehicle assembly 1.
  • the side structure 20 basically includes an extruded shape member 60 having an aluminum alloy T-rib having a single face plate and a T-shaped rib integrally formed on one side of the face plate, and two face plates. Is formed by combining and joining the hollow extruded shape members 50 connected by ribs in the width direction of the shape members (the height direction 100 of the side structure 20).
  • the T-ribbed extruded profile 60 is an extruded profile for a single skin structure
  • the hollow extruded profile 50 is an extruded profile for a double skin structure. Therefore, it can be said that the side structure 20 of the present embodiment has a hybrid structure of a single skin structure and a double skin structure.
  • the side structure 20 is manufactured by joining the end portion of the extruded shape member 60 with the T rib and the plate portion at the end portion in the width direction of the hollow shape member 50 at the joining portion 29.
  • the position of the joint portion 29 is the position of the entrance / exit upper side 23, the entrance / exit lower side 24, the window upper side 25, the window lower side 26, the interior receiver 28, and the limit of the extrusion width when extruding the extruded shape constituting the side structure 20. Determined by taking the value into consideration.
  • friction stir welding or welding is performed from the inside of the vehicle, and the outside of the vehicle is ground as necessary to form a smooth surface. Depending on the joining method, a smooth appearance can be obtained without grinding the outside of the joint 29.
  • the extrusion direction of the hollow extruded shape member 50 and the extruded shape member 60 with the T rib is along the longitudinal direction 120 of the railway vehicle assembly 1.
  • one of the two face plates constitutes a face plate on the outside of the vehicle, and the other constitutes a face plate on the inside of the vehicle.
  • one of the two face plates is referred to as a vehicle outer face plate or a car inner side face plate without particular notice.
  • the extruded shape member 60 with T-ribs is arranged in such a manner that the T-shaped ribs face the vehicle interior side, and the surface of the side structure 20 on the vehicle exterior side has a smooth appearance.
  • the entrance / exit opening 21 and the window opening 22 are formed in such an arrangement that the upper side or the lower side of each opening is located at the location of the double skin structure of the side structure. That is, the part where the entrance / exit upper side 23, the window upper side 25, and the window lower side 26 are located is constituted by the hollow extruded member 50, and the intermediate portion in the height direction between the window upper side 25 and the window lower side 26 of the window opening. And between the window lower side 26 and the upper part of the side beam 11 which makes the frame 10, it is comprised by the extruded shape member 60 (single skin structure) with a T rib.
  • the hybrid structure promotes weight reduction by arranging the T-ribbed extruded profile 60 with a single skin structure in a portion where no large stress is generated, while high stress is generated.
  • the sides of the entrance / exit opening 21 and the window opening 22 are made of a hollow extruded shape member 50 having a strong double skin structure with high strength and rigidity.
  • the part where the entrance / exit lower side 24 included in the side beam 11 is also configured by the hollow extruded shape member 50 having a double skin structure. Therefore, it is possible to realize a railway vehicle structure that can achieve both weight reduction and rigidity / strength.
  • the entrance / exit opening 21 and the window opening 22 are formed so that the upper sides of each other have substantially the same height (usually, the entrance / exit upper side 23 is located above the window upper side 25. ).
  • the entrance / exit upper side 23 and the window upper side 25 belong to a common hollow extruded shape member 50 disposed along the longitudinal direction of the railway vehicle structure 1.
  • variety of the hollow extruded shape 50 of the position corresponded to the height of the entrance / exit upper side 23 and the window upper side 25 is made narrow compared with the case where the height position of the entrance / exit upper side 23 and the window upper side 25 is not adjacent. Can do.
  • the entire side structure 20 thus, the weight of the railway vehicle structure 1 can be further reduced.
  • the side pillar 27 (refer FIG. 1) which reinforces the side structure 20 is provided in the vehicle inside of the side structure 20 of a present Example.
  • the side pillars 27 are provided along the vertical sides (sides along the height direction 100) of the entrance / exit opening 21 and the window opening 22, and play a role of compensating for a decrease in rigidity of the entrance / exit opening 21 and the window opening 22.
  • the surface of the inner side plate of the hollow extruded member 50 and the surface of the T rib of the extruded member 60 with the T rib are substantially on the same plane, and the side columns 27 are joined to these surfaces.
  • a cross-sectional shape such as a C shape or an L shape is selected according to the required strength.
  • the side pillars 27 reinforce the sides (portions along the vertical sides of the openings) of the entrance / exit opening 21 and the window opening 22 to increase the rigidity, so that displacement due to the vertical load is also suppressed and high stress is applied. Is suppressed, and the rigidity and strength of the railway vehicle structure 1 can be further strengthened.
  • an interior receiver 28 for attaching an interior member is extruded integrally with the hollow extruded shape member 50 on the side surface on the inner side of the railway vehicle structure 1.
  • These interior members are a stool, a load shelf, etc., and are attached to the interior receiver 28 by fastening members such as bolts. Since the interior receiver 28 is a location for receiving the interior member, a large load is applied. Accordingly, all the portions where the attachment portions of the interior members are located are constituted by the hollow skin-shaped profile 50 having a double skin structure having high strength and rigidity. As a result, it is possible to realize a railway vehicle structure capable of ensuring rigidity and strength against a load while enjoying weight reduction due to hybridization.
  • the interior receiver 28 is extruded integrally with the hollow extruded shape member 50, it is not necessary to separately provide a receiver for attaching the interior member.
  • the underframe 10 is also composed of the hollow extruded shape member 50, and the attachment portion for the underfloor equipment and the interior member is extruded integrally with the hollow extruded shape member 50. Therefore, it is not necessary to separately provide a receipt for the frame 10.
  • the roof structure 30 is configured by combining an extruded shape member 60 with an aluminum alloy T-rib and a hollow extruded shape member 50 in the width direction 110 of the roof structure 30 in the same manner as the side structure 20. Therefore, in the rail vehicle structure 1 of this embodiment, the roof structure 30 in addition to the side structure 20 has a hybrid structure of a double skin structure and a single skin structure. Further, like the side structure 20, the extrusion direction of each extruded shape member constituting the roof structure 30 is along the longitudinal direction 120 of the railway vehicle structure 1.
  • the air conditioning opening 81 is formed such that the side of the opening along the longitudinal direction of the vehicle body belongs to the position of the hollow extruded shape member 50.
  • FIG. 2 shows a state in which the end of the air conditioning opening 81 indicated by the alternate long and short dash line is located at the location where the hollow extruded shape member 50 is disposed. Thereby, it becomes possible to receive the stress and load which are easy to concentrate on an opening edge part with a hollow extrusion section provided with high intensity and rigidity.
  • a reinforcing material (not shown) is provided on the side of the air conditioning opening 81 along the vehicle body width direction 110 as necessary.
  • FIG. 3 the cross-sectional shape of the hollow extrusion shape member 50 (refer the B section of FIG. 2) currently used for the window opening part 22 lower part of the side structure 20 of a present Example is shown.
  • the cross-sectional shape of the hollow extruded shape member 50 of this embodiment is such that the width direction length of the vehicle outer side plate 70 is longer than the width direction length of the vehicle inner side plate 71, and the vehicle outer side plate 70 extends from both ends of the vehicle inner side plate 71.
  • the vehicle exterior side plate 70 and the vehicle interior side plate 71 are connected to each other by a first rib 72 and a second rib 73 that extend outward toward the vehicle.
  • a range surrounded by the vehicle outer side plate 70, the vehicle inner side plate 71, the first rib 72 and the second rib 73 is referred to as a hollow portion 74, and the other region is referred to as a plate portion 75.
  • Both ends of the vehicle outer side face plate 70 are abutting portions with the face plate of the extruded shape member 60 with the T-rib arranged adjacent to each other, and form a joint with the extruded shape 60 with the T-rib at the time of joining. Therefore, in the hybrid structure of this embodiment, a single skin structure joint is employed at the joint between the double skin structure and the single skin structure.
  • a double skin structure joint is employed, both the end portion on the outer side face plate 70 and the end portion on the inner side face plate 71 become joints, and both must be joined. Therefore, in the case of the hybrid structure of the present embodiment, the joint line length can be almost halved as compared with the case where the double skin joint is employed.
  • the plate portion 75 from the end of the hollow portion 74 is a region where the structure of the extruded shape member changes from a double skin structure to a single skin structure, such as a vertical load due to the weight of electrical equipment mounted on passengers and railway vehicles, etc.
  • the face plate is an area where the out-of-plane deformation is likely to occur.
  • the vehicle outer side plate 70 and the vehicle inner side plate 71 are obliquely connected by the first rib 72 and the second rib 73 so that the rigidity from the double skin structure to the single skin structure continuously changes. . If the first rib 72 or the second rib 73 is a vertical plate, the rigidity of the hollow extruded shape 50 is abruptly changed suddenly and stress concentration tends to occur. Absent.
  • a pair of oblique ribs 76 constituting the truss structure are disposed on the upper side of the hollow portion 74 (upper portion of the alternate long and short dash line in the drawing) below the hollow portion 74 (lower portion of the alternate long and short dashed line in the drawing) are provided with a pair of vertical ribs 77 (third ribs) constituted by vertical plates, and these oblique ribs 76 and the vertical ribs 77 restrain the vehicle outer side plate 70 or the vehicle inner side plate 71 and double-sided plates. Therefore, high stress associated with out-of-plane deformation of the double-sided plate is not generated.
  • the lower side of the window opening 22 is formed at the position of the dashed line in FIG. That is, at the position of the window opening 22, the upper part is removed from the one-dot chain line in FIG.
  • a window member (glass plate, acrylic plate or the like) is attached to the window opening 22 so that the clearance between the edge of the window opening 22 and the peripheral edge of the window member can be easily sealed.
  • a vertical rib 77 (third rib) which is a substantially horizontal plane is provided below the alternate long and short dash line.
  • vertical ribs 77 (third ribs) are provided above the position of the upper side of the window opening 22. That is, the positions of the pair of oblique ribs 76 and the pair of vertical ribs 77 are symmetrically switched in the hollow extruded shape member 50 on the upper side and the hollow extruded shape member 50 on the lower side.
  • the longitudinal end of the opening is formed at substantially the same position as the one-dot chain line.
  • the air conditioning opening 81 is formed so that the end of the opening is disposed at the position, the gap between the vehicle outer side plate 70 and the vehicle inner side plate 71 is blocked by the vertical ribs 77. This is because it is difficult for dust to collect in the depression formed by the ribs and the ribs, and therefore the fall of the dust into the cabin is suppressed.
  • the rail vehicle of the present embodiment it is possible to provide a rail vehicle that can realize weight reduction and improve manufacturability and reduce life cycle energy.
  • FIG. 4 is a perspective view of the rail vehicle according to the present embodiment
  • FIG. 5 is a cross-sectional view taken along the line AA in the railway vehicle structure 1 shown in FIG.
  • the doorway lower side 24 is included in the side beam 11, but in the present embodiment shown in FIGS. 4 and 5, it is included in the side structure 20.
  • the air conditioner described in the railway vehicle structure of the first embodiment is omitted.
  • the rest of the configuration of the railway vehicle structure 1 is the same as the configuration described in the first embodiment, and therefore the description of the same configuration as that of the first embodiment is omitted in the following description.
  • the side structure 20 and the roof structure 30 are configured by joining the T-ribbed extruded shape member 60 and the hollow extruded shape member 50 in the same manner as in the first embodiment in combination in the width direction of the shape member. That is, the side structure 20 and the roof structure 30 have a hybrid structure as in the first embodiment.
  • the joint at the joint is also a single skin joint as in the first embodiment.
  • the entrance / exit opening 21 and the window opening 22 are formed such that the entrance / exit upper side 23, the entrance / exit lower side 24, the window upper side 25, and the window lower side 26 are positioned at the location where the hollow extruded shape member 50 is disposed.
  • T-rib extruded profile 60 (single skin). Structure).
  • Side columns 27 that reinforce the side structure 20 are provided on the sides (vertical sides) of the door opening 21 and the window opening 22 of the side structure 20.
  • all the entrance upper side 23 and the window upper side 25 belong to the same hollow extruded profile 50, that is, belong to the common hollow extruded profile 50.
  • all the lower entrance sides 24 belong to another common hollow extruded shape member 50.
  • the entire side structure 20 thus, the weight of the railway vehicle structure 1 can be further reduced.
  • the entrance lower side 24 is located above the lower end of the side structure 20. Therefore, in the state where the structural members constituting the side structure 20 are joined, there is a member, not a state where there is no lower part of the entrance / exit lower side 24.
  • the entrance / exit lower side 24 is located below the lower end of the side structure 20, and the panel is joined to the side. In the state in which the structure 20 is formed, the lower end of the entrance / exit opening 21 is in an open state with nothing.
  • the railway vehicle structure of the present embodiment is a structure that takes advantage of the feature of using a shape material of a double skin structure having high rigidity and strength as a formation portion of the entrance / exit lower side 24 as compared with the railway vehicle structure of the first embodiment. It can be said that. That is, since the side structure 20 joined in the form of an integral panel is configured to include the lower side of the entrance / exit opening 21, the side structure 20 is not provided with a temporary reinforcing member in the vicinity of the lower side of the entrance / exit opening 21. Can be transported or flipped. For this reason, the manufacturability when the formed side structure 20 is erected and a hexahedral rail vehicle structure is manufactured is also improved.
  • FIG. 6 is a perspective view of the rail vehicle according to the present embodiment
  • FIG. 7 is a cross-sectional view taken along the line AA in the railway vehicle structure 1 shown in FIG. Since the configuration of the railway vehicle structure 1 other than the portion where the entrance / exit upper side 23 exists is the same as that of the embodiment shown in FIG. 1, the description of the same portion will be simplified.
  • the entrance / exit upper side 23 exists in the side structure 20, but in the present embodiment, it exists in the shoulder 31 provided at the end of the roof structure 30 in the width direction 110. Yes.
  • the roof structure 30 is constituted only by the hollow extruded shape member 50.
  • the roof structure 30 of the present embodiment it is preferable to employ the roof structure 30 of the present embodiment.
  • the side structure 20 has a hybrid structure similar to the first and second embodiments, and is configured by joining the extruded shape member 60 with a T rib and the hollow extruded shape member 50 in combination in the width direction of the shape member.
  • the joint portion 29 is a joint obtained by abutting single skin structures as in the first embodiment.
  • the window upper side 25 and the window lower side 26 of the window opening 22 are formed so as to be positioned at the location of the hollow extruded shape member 50 of the side structure 20, and in particular, the window upper side 25 is positioned in the vicinity of the upper end of the side structure 20. Thereby, the portion of the hollow extruded shape member 50 corresponding to the height position of the window upper side 25 can be made narrower (smaller) than when the window upper side 25 is not positioned near the upper end portion of the side structure 20. .
  • the entire side structure 20 thus, the weight of the railway vehicle structure 1 can be further reduced.
  • the shoulder 31 and the side beam 11 are configured only by the hollow extruded shape member 50, and therefore the entrance / exit upper side 23.
  • part in which the shoulder part 31 is located is comprised with the hollow extruded shape material 50, respectively.
  • part in which the shoulder part 31 is located is comprised with the hollow extruded shape material 50, respectively.
  • a side column 27 that reinforces the side structure 20 is provided on the side of the window opening 22.
  • the interior side plate 28 of the roof structure 30 and the shoulder 31 and the side surface plate 71 of the side structure 20 are provided with an interior receiver 28 similar to that of the first embodiment. Extruded together.
  • the entrance / exit upper side 23 is located above the end of the side structure 20 and the entrance / exit lower side 24 is located below the lower end of the side structure 20.
  • the side structure 20 has a hybrid structure, that is, a structure in which the extruded shape member 60 with the T rib and the hollow extruded shape member 50 are combined in the width direction of the shape member and joined. Then, it is comprised only by the extruded shape member 60 with a T rib, ie, a single skin structure.
  • FIG. 8 is a cross-sectional view of the railcar structure of this comparative example, and has a structure in which the side structure of the cross section of the railcar structure shown in FIG. 7 is replaced from a hybrid structure to a single skin structure.
  • the perspective view of the railway vehicle structure is the same as FIG.
  • the side structure 20 is configured by joining extruded profiles 60 with T ribs.
  • a side column 27 that reinforces the side structure 20 is provided on the side of the window opening 22.
  • a portion of the shoulder 31 where the entrance / exit upper side 23 is located is constituted by a hollow extruded shape member 50.
  • the part where the window upper side 25 and the window lower side 26 located in the side structure 20 are located is constituted by an extruded shape member 60 with a T-rib.
  • the part where the entrance / exit lower side 24 located in the side beam 11 is located is constituted by a hollow extruded shape member 50.
  • the underframe 10 and the roof structure 30 are constituted by a hollow extruded shape member 50.
  • the roof structure 30 is a combination of an extruded profile 60 with a T rib and a hollow extruded profile 50 (hybrid structure) or only an extruded profile 60 with a T rib (single skin structure), and the underframe 10 is hybridized. It is also possible to configure with a structure.
  • This comparative example is the lightest in comparison with the other examples described above, but the four corners of the window opening 22 where high stress occurs are the positions of the extruded shape member 60 with T-ribs. More beam members and reinforcement may be required compared to other embodiments. Moreover, since it is necessary to attach the interior member attached to the side surface of the railway vehicle structure 1 to the underframe 10 and the roof structure 30, the configuration may be complicated.
  • the frame 10 in addition to the need for the frame 10 to have a strong structure capable of withstanding a large load from the coupler, a heavy equipment is attached, so that the range to be configured by the hollow extruded shape member 50 tends to be widened. There is. For this reason, when providing the extruded shape member 60 with the T-rib to the frame 10, there is a possibility that a complicated beam member or reinforcement arrangement may be forced, compared with the case where the configuration is applied to the side structure 20. It is assumed that the life cycle energy reduction effect is small.
  • the technical scope of the present invention is determined based on the description of each claim of the claims or the description of the means for solving the problems, but also extends to a range easily replaceable by those skilled in the art. It is. Further, in the first to third embodiments described above, the description has been given by taking the railway vehicle as an example. However, the present invention is a rail vehicle other than the railway vehicle structure, that is, a monorail vehicle, a railway vehicle, a tram, a new transportation system, and the like. Needless to say, this is applicable.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
PCT/JP2013/055342 2012-03-22 2013-02-28 軌条車両構体 WO2013140976A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1415886.9A GB2513817B (en) 2012-03-22 2013-02-28 Rail vehicle body structure
IN7780DEN2014 IN2014DN07780A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 2012-03-22 2013-02-28
JP2014506109A JP5986190B2 (ja) 2012-03-22 2013-02-28 軌条車両構体

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012064882 2012-03-22
JP2012-064882 2012-03-22

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WO2013140976A1 true WO2013140976A1 (ja) 2013-09-26

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TWI687332B (zh) * 2017-09-26 2020-03-11 日商川崎重工業股份有限公司 鐵道車輛構造體
CN118907161A (zh) * 2024-07-29 2024-11-08 中车青岛四方机车车辆股份有限公司 车顶结构、车体及车辆

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TWI687332B (zh) * 2017-09-26 2020-03-11 日商川崎重工業股份有限公司 鐵道車輛構造體
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GB2513817B (en) 2017-10-11
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