JP5050237B2 - Railway vehicle blowing structure - Google Patents

Description

  The present invention relates to a railcar blowing structure provided with a continuous window structure in which a plurality of window portions are continuous along the longitudinal direction of the vehicle.

Conventionally, as a railway vehicle having a continuous window structure, for example, there is a railway vehicle structure described in Patent Document 1. In this railway vehicle structure, in the hollow extruded mold material constituting the side structure, concave portions having different directions are formed according to the position of the window portion and the position of the blowing portion.
JP-A-9-249124

  In recent years, there is a railway vehicle that employs a configuration in which an air conditioner is provided under the floor in order to lower the center of gravity of the vehicle. In such a railcar blowing structure, conditioned air sent from the air conditioner is introduced into the vehicle interior from the ceiling or the upper part of the window via an airway member joined to the blowing column.

  However, in a railway vehicle having a continuous window structure, the blowing column is arranged in an offset state on the inner side of the vehicle so that the window surface and the outer surface of the vehicle are flush with each other. For this reason, there is a problem in that the space for the airway member protrudes to the inside of the vehicle and the cabin space is compressed. On the other hand, in securing vehicle compartment space, avoiding an increase in vehicle weight and a decrease in strength has been a technical problem to be solved.

  The present invention has been made to solve the above-described problems, and an object thereof is to provide a railcar blowing structure that can sufficiently secure a passenger compartment space while avoiding an increase in vehicle weight and a decrease in strength. To do.

  In order to solve the above problems, a railcar blowing structure according to the present invention is a railcar blowing structure provided with a continuous window structure in which a plurality of window portions are continuous along the longitudinal direction of the vehicle. A blowing column disposed inside the window portion along the boundary portion between the portions, and an air passage member fixed to the blowing column, and is open to the inside of the vehicle in the longitudinal direction of the blowing column The recessed part to be extended is extended, At least one part of the airway member is located in a recessed part, It is characterized by the above-mentioned.

  In this blowing structure of a railway vehicle, a blowing column is provided inside the window portion along the boundary portion between the window portions. In the longitudinal direction of the blowing column, a recess that opens to the inside of the passenger compartment extends, and at least a part of the air passage member that introduces the conditioned air from the air conditioner into the vehicle is in the recess. Is located. According to such a configuration, since the arrangement space for the airway member is formed inside the blowing column, it is possible to prevent the airway member from projecting to the inside of the vehicle and sufficiently secure the cabin space. can do. Further, the blowing pillar has a channel structure by forming a recess. Therefore, it is possible to efficiently transmit the load and stress due to the bending force and torsional force of the railway vehicle, and it is possible to maintain sufficient rigidity and strength without increasing the weight.

  Further, the recess may be formed by a body part joined to a boundary part of the window part and a side structure located above and below the window part, and a pair of projecting pieces projecting from the body part to the inside of the vehicle. preferable. In this case, the blowing column has a channel structure having a substantially C-shaped cross section due to the recess. Thereby, rigidity and strength can be maintained more reliably.

  Moreover, it is preferable that the projecting piece has a first projecting portion that projects in the vertical direction of the vehicle from the main body and is joined to the side structure. The joint portion between the side structure and the blowing column is a portion where load and stress are likely to concentrate. Then, the load and stress of a blowing column can be efficiently transmitted to a side structure by joining the 1st overhang | projection part which protrudes in the up-down direction of a vehicle rather than a main-body part to a side structure. Thereby, the intensity | strength of the blowing structure of a railway vehicle is further securable.

  Moreover, it is preferable that the main-body part has the 2nd overhang | projection part joined to the side structure while projecting to the up-and-down edge part of a window part. The joint portion between the side structure and the blowing column is a portion where load and stress are likely to concentrate. Then, the load and stress of a blowing pillar can be efficiently transmitted to a side structure by joining the 2nd overhang | projection part which protrudes to the edge of a window part to a side structure. Thereby, the intensity | strength of the blowing structure of a railway vehicle is further securable.

  Moreover, it is preferable that the 2nd overhang | projection part has a curved surface which becomes convex toward the corner part of a window part. In this case, the stress applied to the second projecting portion can be quickly transmitted to the side structure by the curved surface. Thereby, the intensity | strength of the blowing structure of a railway vehicle is further securable.

  The side structure has a truss structure in which a corrugated rib member is sandwiched between two face plates, and the first overhanging portion extends to a joint position between the rib member and the inner face plate. In addition, it is preferable that the upper and lower surfaces of the first projecting portion are inclined surfaces so that the joining position is at the tip. The joint portion between the first overhang portion and the side structure is a portion where load and stress are likely to concentrate. Therefore, by making the upper and lower surfaces of the first overhanging portion inclined so that the joining position is at the tip, it becomes possible to efficiently transmit load and stress to the rib member of the side structure having the truss structure. . Thereby, the intensity | strength of the blowing structure of a railway vehicle is further securable.

  In the face plate, it is preferable that the thickness from the edge of the window portion to a predetermined distance is larger than the thickness of other portions. The portion where the first overhang portion is joined is a portion where load and stress are easily transmitted intensively. Then, the intensity | strength of the blowing structure of a railway vehicle is further securable by making the thickness from the edge of a window part to a predetermined distance larger than the thickness of another part.

  Moreover, it is preferable that the heat insulating material is arrange | positioned in the recessed part. By disposing the heat insulating material in the internal space between the blowing column and the airway member, the heat insulating property of the blowing structure of the railway vehicle can be improved.

  According to the railcar blowing structure according to the present invention, it is possible to sufficiently secure a passenger compartment space while avoiding an increase in weight or a decrease in strength of the vehicle.

  DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of a railcar blowing structure according to the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a perspective view showing a railway vehicle structure 1 manufactured by applying a railcar blowing structure according to an embodiment of the present invention. As shown in FIG. 1, the railway vehicle structure 1 includes a frame 2, a side structure 3, a roof structure 4, and a wife structure 5, and these structures are joined to each other, thereby It has a box shape with a space to accommodate it inside.

  The underframe 2 is disposed at the bottom of the railway vehicle structure 1 as a structure that forms the floor of the vehicle. An air conditioner (not shown) for adjusting the temperature inside the vehicle is provided below the underframe 2. The conditioned air sent from the air conditioner is introduced into the passenger compartment from the ceiling of the passenger compartment or the upper part of the window via an air passage member described later. The side structure 3 and the wife structure 5 are erected so as to surround the left and right edges and the front and rear edges of the frame 2 as structures constituting the side part of the vehicle. The side structure 3 is provided with, for example, two door portions 6 for passengers / occupants to get on and off. Window portions 7 and 8 are provided between the door portions 6 and both end portions of the side structure 3. A plurality of windows (four in this embodiment) are continuously arranged along the longitudinal direction of the vehicle, and constitute a continuous window 9.

  The wife structure 5 is provided with an entrance / exit 10 for passengers / occupants to move between vehicles. The roof structure 4 is arranged at the upper part of the structure of the railway vehicle as a structure constituting the roof portion of the vehicle. A pantograph (not shown) or the like is provided on the roof structure 4 of the vehicle.

  Next, the structure of the blowing structure of the side structure 3 applied to the above-described continuous window 9 will be described in detail.

  FIG. 2 is a perspective view showing the blowing structure formed on the side structure 3 from the inside of the railway vehicle structure 1. 3 is a cross-sectional view taken along line III-III in FIG. As shown in FIGS. 2 and 3, the blowing structure K of the side structure 3 is configured by the above-described continuous window 9, the frame member 11, the blowing pillar 12, and the airway member 13. In FIG. 2, for convenience of explanation, an inner window and an airway member 13 described later are omitted.

  As shown in FIG. 2, the side structure 3 is a double skin mold material having a truss structure in which a corrugated rib member 14 is sandwiched between an outer plate (face plate) 15 and an inner plate (face plate) 16. The thickness of the side structure 3 is about 40 mm. The outer plate 15 and the inner plate 16 are face plates having a thickness of about 3 mm, for example. In the side structure 3, a portion corresponding to the continuous window 9 is provided with a substantially rectangular continuous window opening 17 extending in the longitudinal direction of the vehicle.

  In the outer plate 15, the portion from the joint position P <b> 1 between the rib member 14 a and the outer plate 15 to the edge portions 18 a and 18 b of the side structure 3 facing the upper and lower ends of the window portion 8 is about twice as large as the other portions. It has become. The inner plate 16 faces the upper and lower ends of the window portion 8 from the joint position P2 between the rib member 14 and the inner plate 16 closest to the edge portions 18a and 18b of the side structure 3 facing the upper and lower ends of the window portion 8. The portions reaching the edge portions 18a and 18b of the structure 3 are approximately twice as large as the other portions. Furthermore, the part which comprises the end surface of the edge parts 18a and 18b of the side structure 3 which faces the upper and lower ends of the window part 8 is about twice as large as another part.

  As shown in FIG. 3, the window portion 8 constituting the continuous window 9 includes an outer window 8 a disposed outside the vehicle and an inner window 8 b disposed inside the blowing column 12. Yes. The outer surface of the outer window 8 a is disposed so as to be flush with the outer surface of the side structure 3. As shown in FIG. 3, the boundary portion B between the outer windows 8a is filled with, for example, a sealing material S1 to ensure airtightness and watertightness. Further, the inner window 8b is disposed in a region excluding the boundary portion B between the outer windows 8a and 8a. Between the outer window 8a and the inner window 8b, an air layer AR is formed by the interposition of the spacer 19, and heat insulation and soundproofing are ensured.

  Further, the frame member 11 is a member that couples the window portion 8 and the blowing column 12. The frame member 11 extends in the height direction of the vehicle along the boundary portion B between the outer windows 8a and 8a. Moreover, the frame member 11, the outer window 8a, and the inner window 8b are joined by the sealing material S2.

  The blowing column 12 extends in the height direction of the vehicle along the boundary portion B of the outer windows 8a and 8a. The blowing column 12 has a main body portion 20 and a pair of protruding pieces 21 and 21.

  The main body 20 has a plate shape with a thickness of about 5 mm, for example. The upper and lower ends of the main body portion 20 are joined to the edge portions 18a and 18b of the side structure 3 facing the upper and lower ends of the window portion 8 (see FIG. 2).

  The protruding pieces 21 and 21 have a plate shape thicker than the main body portion 20 and protrude from both sides of the main body portion 20 to the inside of the vehicle.

  Due to the main body 20 and the protruding pieces 21 and 21, the blowing column 12 has a channel structure having a substantially C-shaped cross section when viewed from the height direction. Due to this channel structure, the blowing pillar 12 has a recess 25 that opens in the vehicle extending in the height direction.

  The airway member 13 is a member that introduces conditioned air from the air conditioner provided in the lower part of the underframe 2 into the vehicle. The airway member 13 is formed by two hat-shaped members 26 and 27.

  The airway member 13 is a hollow member having a hollow portion H having a substantially rectangular cross section by disposing the flange portions 26a, 26b of the hat-shaped member 26 and the flange portions 27a, 27b of the hat-shaped member 27 so as to face each other. . And the airway member 13 makes the flange parts 26a and 26b and the flange parts 27a and 27b of the protruding pieces 21 and 21 in the blowing column 12 by screws N1 and N2 provided at predetermined intervals along the height direction. By fixing to the front end surface, the hat-shaped member 26 is fixed to the blowing column 12 in a state of being located in the recess 25 of the blowing column 12. In the recess 25, the space between the hat-shaped member 26 and the main body 20 is filled with a heat insulating material I.

  Regarding the joint structure between the blowing column 12 and the side structure 3, the protruding pieces 21 and 21 of the blowing column 12 protrude from the main body 20 in the vehicle height direction (first protruding portion). 28. Further, the body portion 20 of the blowing column 12 has an overhanging portion (second overhanging portion) 29 that protrudes along the edge portions 18 a and 18 b of the side structure 3 facing the upper and lower ends of the window portion 8. is doing.

  As shown in FIG. 2, the overhanging portion 28 protrudes in the vehicle height direction from the upper and lower ends of the window portion 8 and is joined to the inner plate 16 of the side structure 3. More specifically, the overhanging portion 28 extends to the joining position P2, as shown in FIG. The upper and lower surfaces of the overhanging portion 28 are inclined surfaces 30 so that the joining position P2 is the tip. The inclined surface 30 is inclined in the same direction as the rib member 14a. The distance from the joining position P2 to the edge portions 18a and 18b of the side structure 3 facing the upper and lower ends of the window portion 8 is, for example, 50 mm.

On the other hand, the overhanging portion 29 protrudes toward the window portion 8 along the edge portions 18 a and 18 b of the side structure 3 facing the upper and lower ends of the window portion 8. Ends on the upper and lower edge portions 18 a and 18 b side of the overhang portion 29 are joined to the upper and lower edge portions 18 a and 18 b of the side structure 3 facing the window portion 8. As shown in FIGS. 2 and 5, the overhang portion 29 has an R-shaped curved surface R that is convex toward the corner of the window portion 8. The R-shaped curved surface R is formed by cutting, for example. Incidentally, the projecting portion 2 9 has a thickness equal and the body portion 20.

  As described above, in the railcar blowing structure K, the blowing pillar 12 extends in the vehicle height direction along the boundary portion B of the outer windows 8a, 8a. A recess 25 that opens to the inside of the passenger compartment extends in the longitudinal direction of the blowing column 12, and a hat-shaped member 26 that constitutes the air passage member 13 that introduces conditioned air from the air conditioner into the vehicle. Is located in the recess 25. According to such a structure, since the arrangement space of the airway member 13 is formed inside the blowing pillar 12, it can suppress that the airway member 13 protrudes inside a vehicle, and vehicle interior space is reduced. It can be secured sufficiently. Further, the blowing column 12 has a channel structure having a substantially C-shaped cross section by forming a recess 25 by the main body 20 and the protruding pieces 21 and 21. Therefore, it is possible to efficiently transmit the load and stress due to the bending force and torsional force of the railway vehicle, and it is possible to maintain sufficient rigidity and strength without increasing the weight.

  Further, the protruding pieces 21 and 21 of the blowing column 12 have a protruding portion 28. The overhanging portion 28 extends to the joining position P <b> 2 between the rib member 14 and the inner plate 16. The upper and lower surfaces of the projecting portion 28 form an inclined surface 30 that is the tip at the joining position P2, and are joined to the inner plate 16 of the side structure 3 having a truss structure. With such a configuration, the load and stress of the blowing column 12 can be efficiently transmitted to the side structure 3. Thereby, the intensity | strength of the blowing structure of a railway vehicle is further securable. Moreover, since sufficient intensity | strength can be ensured with the said structure, the main-body part 20 and the protrusion pieces 21 and 21 can be formed thinly, and the weight reduction of the blowing structure of a railway vehicle can be achieved.

  Further, the main body portion 20 of the blowing column 12 has an overhang portion 29. The overhanging portion 29 has an R-shaped curved surface R and protrudes toward the window portion 8 side along the edge portions 18 a and 18 b of the side structure 3 facing the upper and lower ends of the window portion 8. Ends on the upper and lower edge portions 18 a and 18 b side of the overhang portion 29 are joined to the edge portions 18 a and 18 b of the side structure 3 facing the upper and lower ends of the window portion 8. With such a configuration, the load and stress of the blowing column 12 can be efficiently transmitted to the side structure 3. Thereby, the intensity | strength of the blowing structure of a railway vehicle is further securable. Moreover, since sufficient intensity | strength can be ensured with the said structure, the main-body part 20 and the protrusion pieces 21 and 21 can be formed thinly, and the weight reduction of the blowing structure of a railway vehicle can be achieved.

  Further, the inner plate 16 has a portion extending from the joining position P2 to the edges 18a and 18b of the side structure 3 facing the upper and lower ends of the window portion 8, that is, a portion where the projecting portion 28 is joined is approximately 2 than the other portion. About twice as large. Further, the outer plate 15 has a portion extending from the joining position P1 between the rib member 14a and the outer plate 15 to the edge portions 18a and 18b of the side structure 3 facing the upper and lower ends of the window portion 8 approximately twice as much as the other portions. It is getting bigger. Furthermore, the part which comprises the end surface of the edge parts 18a and 18b of the side structure 3 which faces the upper and lower ends of the window part 8 is about twice as large as another part. With such a configuration, it is possible to efficiently transmit loads and stresses that tend to concentrate on the portion to which the overhanging portion 28 is joined to the side structure 3, and to further ensure the strength of the blowing structure of the railway vehicle.

  The present invention is not limited to the above embodiment. In the said embodiment, although the window part 8 of the double window structure which has the outer window 8a and the inner window 8b was illustrated, the single window structure which does not have the inner window 8b may be sufficient. Further, the outer window 8a may be laminated glass.

  Moreover, in the said embodiment, although the blowing pillar 12 and the window part 8 are connected via the frame member 11, even if the blowing pillar 12 and the window part 8 are connected not via the frame member 11, they are connected. Good.

1 is a perspective view showing a railway vehicle structure manufactured by applying a railcar blowing structure according to an embodiment of the present invention. It is the perspective view which showed the blowing structure formed in the side structure from the inner side of a railway vehicle structure. It is the III-III sectional view taken on the line in FIG. It is the IV-IV sectional view taken on the line in FIG. It is the figure which showed the blowing structure shown in FIG. 2 from the inner side of a railway vehicle structure.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 3 ... Side structure, 8 (8a, 8b) ... Window part, 12 ... Blowing pillar, 13 ... Airway member, 14 (14a) ... Rib member, 15 ... Outer plate, 18a, 18b ... Edge part, 20 ... Main body , 21 ... projecting piece, 25 ... recessed part, 28 ... overhang part (first overhang part), 29 ... overhang part (second overhang part), 30 ... inclined surface, K ... blowing structure, B: boundary portion, R: curved surface, P2: bonding position, I: heat insulating material.

Claims (6)

A blowing structure of a railway vehicle provided with a continuous window structure in which a plurality of windows continue along the longitudinal direction of the vehicle,
A blowing column arranged inside the window along the boundary between the windows,
An airway member fixed to the blowing column,
In the longitudinal direction of the blowing column, a recess opening inside the vehicle extends, and at least a part of the airway member is located in the recess ,
The concave portion is formed by a main body portion joined to the boundary portion of the window portion and a side structure located above and below the window portion, and a pair of protruding pieces protruding from the main body portion to the inside of the vehicle. And
The projecting piece projects in the vertical direction of the vehicle from the main body, and has a first projecting portion joined to the side structure. The body, together with the overhang and below the edge of the window, blowing a railway vehicle according to claim 1, characterized in that it has a second projecting portion which is joined to the side structure Structure. The second projecting portion is吹寄structure of a railway vehicle according to claim 2, characterized in that it has a curved surface that is convex toward the corner of the window. The side structure has a truss structure configured by sandwiching a corrugated rib member between two face plates,
The first overhanging portion extends to the joining position between the rib member and the inner face plate, and the upper and lower surfaces of the first overhanging portion are inclined surfaces so that the joining position is the tip. The blowing structure for a railway vehicle according to claim 2 . 5. The railcar blowing structure according to claim 4 , wherein in the face plate, a thickness of the window portion from the edge portion to a predetermined distance is larger than thicknesses of other portions. The blowing structure for a railway vehicle according to any one of claims 1 to 5 , wherein a heat insulating material is disposed in the recess.

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