JP5787610B2 - Railcar ceiling structure - Google Patents

Description

  The present invention relates to a railcar ceiling structure provided with a blowout outlet cover and a suspension receiver, and more particularly, the blowout cover relates to a railroad vehicle ceiling structure in which a suspension receiver is attached in advance.

  As a conventional ceiling structure of a railway vehicle, for example, there is one described in Patent Document 1 below. In the ceiling structure described in Patent Document 1 below, as shown in FIG. 7, an air conditioning duct 140, which is a conduit for carrying cold air or hot air, is attached to the roof structure 110, and the outlet cover 150 is an air conditioning duct 140. Covers the outlet 140d. The suspension receiver 160 is attached to the support bone 113 of the roof structure 110 on the outside of the air conditioning duct 140 in the sleeper direction (right side in FIG. 7), and the lamp 170 is attached to the roof structure 110 on the outside of the sleeper direction from the suspension receiver 160. It is attached to the support bone 113 and the inner bone 111.

JP 2009-23370 A

  By the way, in the ceiling structure described in the above-mentioned patent document 1, the installation operator attaches the outlet cover 150 while adjusting the attachment position of the outlet cover 150 in the upward work in the current vehicle, and also uses the suspension handle 160. The suspension receiver 160 is attached while adjusting the attachment position of the. That is, in order to install the outlet cover 150 and the suspension receiver 160, the installation operator has adjusted the installation position and performed the installation work twice while continuing to look upward in the current vehicle. For this reason, the burden on the installation worker and the installation work in the current vehicle are large, and it is difficult to attach the outlet cover 150 and the suspension receiver 160 with high accuracy.

  In order to solve the above-mentioned problems, the present invention can reduce the burden on the installation worker and the installation work in the current vehicle when installing the outlet cover and the suspension receiver. An object of the present invention is to provide a railcar ceiling structure capable of attaching a handle with high accuracy.

(1) A ceiling structure of a railway vehicle according to the present invention includes an air conditioning duct that is a pipe line that is attached to a roof structure and carries cold air or hot air, an air outlet cover that covers the air outlet of the air conditioning duct, and the air conditioning duct. A suspension receiver and a lamp that are arranged on the outer side of the sleeper and are attached to the support bones of the roof structure, wherein the outlet cover has a rigid and flat surface that is rigid and planar. Before being attached to the air conditioning duct, the suspension receiver is a blowout unit pre-attached to the rigid flat portion, and the blowout unit is attached to the support bone of the roof structure at the rigid flat portion. it, sleepers inward portion of the rigid planar portion is mounted over the sleepers outward portions of middle ceiling plate arranged on the lower side of the air-conditioning duct, sleepers direction of the rigid plane portion Site side, it attached over the sleepers inward portions of the side top plate attached to the supporting bone of the roof structure, characterized by.
Here, the rigid body means an object that is not deformed by an external force acting during normal times, unlike an elastic body.

(2) In the railcar ceiling structure described in (1), the outlet unit has an attachment hole for attaching the lamp to the rigid flat surface portion.

(1) According to the ceiling structure of a railway vehicle according to the present invention, the outlet cover is an outlet unit in which a suspension receiver is attached in advance to the rigid flat portion before being attached to the air conditioning duct. And this blower outlet unit is attached to the support bone | frame of a roof structure in the rigid body plane part in the present vehicle. For this reason, as in the prior art, the installation worker installs the outlet cover while adjusting the attachment position of the outlet cover and adjusts the attachment position of the suspension receiver while the upward movement of the current vehicle is performed. There is no need to install. That is, the outlet cover and the suspension receiver can be attached by adjusting the attachment position of the outlet unit and performing the mounting operation once. Accordingly, when installing the outlet cover and the suspension receiver, it is possible to reduce the burden on the installation worker and the installation work in the current vehicle.
Further, the rigid flat surface portion of the outlet unit attached to the support bone of the roof structure is rigid and planar. For this reason, the outlet unit is sufficiently high in rigidity, and when installing the outlet unit, it should be flattened so as to extend accurately with respect to the target sleeper direction and rail direction in the rigid flat part. Is easy. Therefore, the outlet unit, that is, the outlet cover and the suspension receiver can be attached with high accuracy.

(2) In this case, the lamp is mounted in the mounting hole of the rigid flat portion that is rigid and flat. For this reason, it is easy to adjust the mounting position of the lamp, and the burden on the mounting operator can be reduced. Furthermore, it is possible to prevent a gap from being generated between the lamp and the rigid flat portion, and to improve the appearance.

(3) In this case, since the portion on the inner side of the sleeper direction of the rigid flat surface portion is attached from above the portion of the center ceiling plate on the outer side of the sleeper, a gap is generated at the end portion of the center ceiling plate on the outer side of the sleeper. However, this gap is hidden from the passenger compartment. For this reason, when attaching a center ceiling board, it can attach roughly in a sleeper direction, and can reduce the effort which adjusts the length of a sleeper direction.
Moreover, the site | part of the sleeper direction outer side of the rigid plane part is attached from the upper part of the sleeper direction inner side of the side ceiling board. For this reason, even if a gap is generated at the end portion of the side ceiling board on the sleeper direction, the gap is hidden from the passenger compartment. For this reason, when attaching a side ceiling board, it can be attached to the direction of a sleeper roughly, and the effort which adjusts the length of a sleeper direction can be reduced.

It is a front view when the ceiling structure of this embodiment is seen from the rail direction. It is a perspective view of a blower outlet cover and a suspension receiver shown in FIG. It is an expanded sectional view of the X part shown in FIG. It is a figure for demonstrating the attachment operation | work of a blower outlet unit and a lamp. (A) It is an enlarged view of the Y part shown in FIG. (B) It is an enlarged view of Z section shown in FIG. (A) It is explanatory drawing when the state in which the lamp is attached conventionally is seen from the sleeper direction. (B) It is explanatory drawing when the state in which the lamp is attached in this embodiment is seen from a sleeper direction. It is a front view when the conventional ceiling structure is seen from a rail direction.

  The ceiling structure of a railway vehicle according to the present invention will be described below with reference to the drawings. The body of a railway vehicle is composed of a hexahedron of a underframe, a side structure, a roof structure, and a wife structure. FIG. 1 is a front view of a ceiling structure TN applied to the upper parts of the roof structure 10 and the side structure 20 when viewed from the rail direction (vehicle longitudinal direction). In FIG. 1, a ceiling structure TN on one side is shown. However, since the ceiling structure TN on one side and the ceiling structure on the other side have the same configuration, only the ceiling structure TN on one side will be described, and description of the ceiling structure on the other side will be omitted. As shown in FIG. 1, the ceiling structure TN includes a cross flow fan 30 as a blower, a C channel fitting 31 as an air conditioner support member, an air conditioning duct 40, an outlet cover 50, a suspension receiver 60, And a lamp (fluorescent lamp) 70.

  As shown in FIG. 1, a first inner bone 11 having a hat-shaped cross section is fixed to the inside of the vehicle of the roof structure 10. The first inner bone 11 is for supporting the C channel fitting 31. The first inner bone 11 is disposed at the center of the vehicle in the sleeper direction (vehicle width direction), and supports a portion of the C channel fitting 31 on the outer side in the sleeper direction via a liner 81.

  Further, as shown in FIG. 1, a second inner bone 12 having a substantially L-shaped cross section is fixed to the vehicle inner side of the roof structure 10. The second inner bone 12 is for supporting the air conditioning duct 40. The second inner bone 12 is disposed on the outer side in the sleeper direction than the first inner bone 11, and supports a portion on the outer side in the sleeper direction of the air conditioning duct 40 via the liner 82. The liners 81 and 82 adjust the degree of horizontality (flatness) of the C channel fitting 31 and the air conditioning duct 40 so that the C channel fitting 31 and the air conditioning duct 40 accurately extend in the sleeper direction and the rail direction. It is for adjusting the height.

  Further, as shown in FIG. 1, a support bone 13 is fixed to the inside of the vehicle of the roof structure 10. The support bone 13 is for supporting the side ceiling board 91 and the like. The support bone 13 is disposed on the outer side of the second inner bone 12 in the sleeper direction, and the cross-section suspended from the roof structure 10 is fixed to the hat-shaped main body portion 13a and the portion of the main body portion 13a on the outer side of the sleeper direction. The mounting section 13b has a substantially L-shaped cross section. The height dimension of the main body portion 13 a is approximately the same as the height dimension of the air conditioning duct 40. The attachment portion 13 b supports a portion of the side ceiling plate 91 on the inner side in the sleeper direction via the liner 85.

  As shown in FIG. 1, the third inner bone 21 is fixed to the vehicle inner side (inner sleeper direction inner side) of the upper part of the side structure 20. The third inner bone 21 is for supporting the side ceiling plate 91 and the side curtain plate 92. The third inner bone 21 supports a portion of the side ceiling plate 91 on the outer side in the sleeper direction via a liner and supports the upper end of the side curtain plate 92.

  The cross flow fan 30 is for agitating cold air or hot air generated by an air conditioner (air conditioner) (not shown) and feeding the cold air or hot air to every corner of the passenger compartment. The cross flow fan 30 has a flange portion, and this flange portion is supported by the tip portion of the C-channel metal fitting 31. The C-channel metal fitting 31 is disposed at the center of the vehicle in the direction of the sleepers and supports the cross flow fan 30. An air conditioning plate 32 is disposed below the cross flow fan 30.

  The air conditioning duct 40 is a pipe line that carries cold air or hot air generated by an air conditioner (not shown). The air-conditioning duct 40 has a substantially rectangular cross section made of a plurality of metal plates, and has a main duct 40a on the inner side of the sleeper direction and a sub-duct 40b on the outer side of the sleeper direction. The air-conditioning duct 40 has a communication port 40c that allows the main duct 40a and the sub-duct 40b to communicate with each other, and a blow-out port 40d for sending cool air or warm air into the vehicle compartment is formed on the lower surface of the sub-duct 40b. .

  A central ceiling plate 93 is disposed below the main duct 40 a of the air conditioning duct 40. Specifically, the central ceiling plate 93 is a sheet-like decorative sheet, and is directly bonded to the lower surface of the main duct 40a. The central ceiling plate 93 is a decorative panel (high-pressure melamine decorative plate) and may be attached to the main duct 40a with a bolt (not shown).

  The air outlet cover 50 covers the air outlet 40 d of the air conditioning duct 40. The outlet cover 50 is disposed below the sub duct 40 b of the air conditioning duct 40 and the support bone 13. Here, FIG. 2 is a perspective view of the outlet cover 50 and the suspension receiver 60 shown in FIG. As shown in FIGS. 1 and 2, the outlet cover 50 includes a flat rigid plane portion 51 and a bulging portion 52 that bulges upward from the rigid plane portion 51.

  As shown in FIG. 2, the rigid flat portion 51 is formed in a plate shape extending in the rail direction, and is a rigid body made of, for example, aluminum alloy or FRP (fiber reinforced plastic). Here, the rigid body means an object that is not deformed by an external force acting during normal times, unlike an elastic body made of rubber, resin, or the like. For this reason, the rigid flat portion 51 is hard enough not to be deformed during normal times.

  Six communication holes 51 a communicating with the air outlet 40 d of the air conditioning duct 40 are formed in the sleeper direction inner side of the rigid flat surface portion 51. Each communication hole 51a extends in the rail direction, and two communication holes 51a are arranged in parallel at a predetermined distance in the rail direction. An attachment hole 51b for attaching the lamp 70 is formed on the outer side of the rigid flat portion 51 in the sleeper direction. The two attachment holes 51b extend in the rail direction and are separated by a predetermined amount in the rail direction. The bulging portion 52 is formed in a hat shape, and is joined to a portion on the inner side in the sleeper direction of the rigid flat surface portion 51 by a flange portion. The bulging portion 52 is provided at a position where the communication hole 51a is not blocked, that is, a position where the flow of cold air or warm air through the communication hole 51a is not obstructed in a state where the outlet cover 50 is attached.

  As shown in FIG. 1, the outlet cover 50 is attached to the lower surface of the sub duct 40b of the air conditioning duct 40 at the channel portion of the bulging portion 52 using a liner 83 and a bolt (not shown). Further, the outlet cover 50 is attached to the channel portion of the main body portion 13a of the support bone 13 by using the liner 84 and the bolt BT at the central portion of the rigid flat surface portion 51 in the sleeper direction. Further, the blowout port cover 50 is attached to the lower end of the attachment portion 13b of the support bone 13 using a liner 85 and a bolt (not shown) at a portion on the outer side of the rigid flat portion 51 in the sleeper direction. The liners 83, 84, and 85 adjust the level of the rigid flat surface portion 51 (flatness) and adjust the indoor height so that the rigid flat surface portion 51 extends accurately in the sleeper direction and the rail direction. Is for.

  By the way, in this embodiment, before the outlet cover 50 is attached to the air-conditioning duct 40, the main body part 13a and the attachment part 13b of the support bone 13, as shown in FIG. The outlet unit FU is attached to the unit 51 in advance. That is, the outlet cover 50 and the handle receiver 60 are a unit that is integrally joined before being attached to the air conditioning duct 40 or the support bone 13. This is to reduce the burden on the installation worker and the installation work when attaching the outlet cover 50 and the suspension receiver 60 in the current vehicle.

The suspension receiver 60 is disposed on the outer side of the air-conditioning duct 40 in the sleeper direction, and as shown in FIG. 2, as shown in FIG. 2, a connecting portion 61 having a square plate shape, and a supporting portion 62 extending downward from the connecting portion 61. have. The connecting portion 61 is a portion connected to the rigid flat surface portion 51 of the outlet cover 50. The support part 62 is a part that supports the suspension bar TA. Here, FIG. 3 is an enlarged cross-sectional view of a portion X shown in FIG. As shown in FIG. 3, the suspension receiver 60 is attached to the outlet cover 50 when the bolt BA penetrates the connecting portion 61 and the rigid flat portion 51 from below. The tip end of the bolt BA slightly protrudes upward from the rigid flat surface portion 51. For this reason, the liner 84 is preliminarily formed with an escape hole 84a through which the tip of the bolt BA is released.

  Next, a procedure for attaching the outlet unit FU and the lamp 70 will be described with reference to FIG. FIG. 4 is a view for explaining the mounting operation of the outlet unit FU and the lamp 70. As shown in FIG. 4, before the outlet unit FU is attached, the cross-flow fan 30 is attached to the C channel fitting 31, the air conditioning duct 40 is attached to the second inner bone 12, and the side ceiling plate 91 is the supporting bone. 13, the side curtain plate 92 is attached to the third inner bone 21.

  In this state, the mounting operator attaches the bulging portion 52 to the lower surface of the sub duct 40b of the air conditioning duct 40 while lifting the outlet unit FU as shown by the black arrow in FIG. The central part of the flat part 51 in the sleeper direction is attached to the channel part of the main body part 13 a of the support bone 13, and the part of the rigid flat part 51 outside the sleeper direction is attached to the lower end of the attachment part 13 b of the support bone 13. As shown in FIG. 3, the central portion of the rigid plane portion 51 in the sleeper direction is such that the bolt BT is connected to the connecting portion 61 of the suspension receiver 60, the rigid plane portion 51, the liner 84, and the main body portion 13 a of the support bone 13. It is attached by penetrating from below.

  Thus, after the outlet unit FU is mounted, the mounting operator lifts the lamp 70 and lifts the head 71, which is a substantially rectangular parallelepiped shape of the lamp 70, on the rigid plane as shown by the white arrows in FIG. It fits in the attachment hole 51b of the part 51, and the collar part 72 of the lamp 70 is attached to the rigid body flat part 51 using the bolt which is not shown in figure. Since the ceiling structure TN is always attached from the vehicle interior side, electrical wiring is connected in advance to the head 71 of the lamp 70, and then the head 71 of the lamp 70 to which the electrical wiring is connected is rigid. It will be fitted into the mounting hole 51 b of the flat surface portion 51. Further, as shown in FIG. 2, a suspension bar TA on which a suspension TB is suspended is attached to the support portion 62 of the suspension receiver 60.

  Here, FIG. 5A is an enlarged view of a Y portion shown in FIG. As shown in FIG. 5A, the portion 51 </ b> Y inside the sleeper direction of the rigid flat portion 51 is attached from above the portion 93 </ b> Y outside the sleeper direction of the central ceiling plate 93. For this reason, even if the gap S1 occurs at the end portion of the central ceiling plate 93 on the outer side of the sleeper, the gap S1 is hidden from the passenger compartment. For this reason, when attaching the center ceiling board 93, it can be attached to the direction of a sleeper roughly, and the effort which adjusts the length of a sleeper direction can be reduced. In other words, the central ceiling plate 93 may have a low dimensional accuracy in the sleeper direction, and can be roughly built when the central ceiling plate 93 is manufactured.

  FIG. 5B is an enlarged view of the Z portion shown in FIG. As shown in FIG. 5B, the portion 51 </ b> Z outside the sleeper direction of the rigid flat surface portion 51 is attached from above the portion 91 </ b> Z inside the sleeper direction of the side ceiling plate 91. For this reason, even if the gap S2 is generated at the end portion of the side ceiling board 91 on the sleeper direction, the gap S2 is hidden from the passenger compartment. For this reason, when attaching the side ceiling board 91, it can attach roughly to a sleeper direction, and can reduce the effort which adjusts the length of a sleeper direction. In other words, the side ceiling board 91 may have a low dimensional accuracy in the sleeper direction, and rough manufacturing is possible when the side ceiling board 91 is manufactured.

The effect of the ceiling structure TN in this embodiment is demonstrated.
According to the ceiling structure TN, the outlet cover 50 is an outlet unit FU in which the suspension receiver 60 is attached in advance to the rigid flat surface portion 51 before being attached to the sub duct 40b of the air conditioning duct 40. And this blower outlet unit FU is attached to the support bone 13 of the roof structure 10 by the rigid plane part 51 in the present vehicle. For this reason, as in the prior art, the installation worker is working upward in the current vehicle, while installing the outlet cover 50 while adjusting the attachment position of the outlet cover 50 and while adjusting the attachment position of the suspension receiver 60. There is no need to attach the suspension receiver 60. That is, the outlet cover 50 and the suspension receiver 60 can be attached by adjusting the attachment position of the outlet unit FU and performing the mounting operation once. Therefore, when attaching the outlet cover 50 and the suspension receiver 60, it is possible to reduce the burden on the installation worker and the installation work in the current vehicle.

  Further, the rigid flat surface portion 51 of the outlet unit FU attached to the support bone 13 of the roof structure 10 is rigid and planar. For this reason, the outlet unit FU is sufficiently high in rigidity, and when the outlet unit FU is mounted, the rigid unit flat portion 51 is flat so that it extends accurately with respect to the target sleeper direction and rail direction. It is easy to do. Accordingly, the outlet unit FU, that is, the outlet cover 50 and the suspension receiver 60 can be attached with high accuracy.

Further, according to the ceiling structure TN, the outlet unit FU has the mounting hole 51b for mounting the lamp 70 on the rigid flat surface portion 51. Therefore, the lamp 70 is a rigid and flat rigid flat surface portion 51. It can be mounted on. For this reason, it is easy to adjust the mounting position of the lamp 70 , and the burden on the mounting operator can be reduced. This effect will be described in detail with reference to FIG. FIG. 6A is an explanatory diagram when a state in which a lamp 270 is conventionally attached is viewed from the direction of a sleeper. On the other hand, FIG. 6 (B) is explanatory drawing when the state in which the lamp 70 is attached in this embodiment is seen from the sleeper direction.

  As shown in FIG. 6A, in the related art, a lamp 270 is attached on a ceiling panel 290. Here, the ceiling panel 290 is attached to the inner bone of a roof structure (not shown), and the inner bone is often thermally strained by welding. For this reason, as shown to FIG. 6 (A), the ceiling panel 290 will be in the distorted state instead of planar shape by attaching to the inner bone in which the thermal distortion has arisen. Thus, when the lamp 270 is mounted on the ceiling panel 290, it is difficult to adjust the mounting position, and the burden on the mounting worker in the upward work is large. Furthermore, a large gap S3 is generated between the flange 272 of the lamp 270 and the ceiling panel 290, and the appearance is poor. In FIG. 6A, the gap S3 is exaggerated.

  On the other hand, as shown in FIG. 6B, in the present embodiment, the rigid flat portion 51 to which the lamp 70 is attached is a rigid body and has a flat shape, so there is almost no distortion. For this reason, when the lamp 70 is mounted on the rigid flat surface portion 51, the mounting position can be easily adjusted, and the burden on the mounting worker in the upward work can be reduced. Furthermore, it can prevent that a clearance gap produces between the collar part 72 and the rigid body plane part 51 of the lamp 70, and can improve appearance.

The railcar ceiling structure TN according to the present invention has been described above, but the present invention is not limited to this, and various modifications can be made without departing from the spirit of the present invention.
For example, the outlet unit FU has the attachment hole 51b for attaching the lamp 70 to the rigid flat surface portion 51, but may not have the attachment hole 51b. That is, the length of the rigid flat surface portion 51 in the sleeper direction is from the outer portion of the central ceiling plate 93 in the sleeper direction to the lower end of the attachment portion 13b of the support bone 13, as shown in FIG. From the site | part of the direction of sleeper 93 to the right end part of the main-body part 13a of the support bone 13 may be sufficient.

TN Ceiling structure 10 Roof structure 13 Supporting bone 30 Cross-flow fan 40 Air conditioning duct 40d Air outlet 50 Air outlet cover 51 Rigid flat portion 51b Mounting hole 60 Lifting receiver 70 Lamp 91 Side ceiling board 93 Central ceiling board FU Air outlet unit

Claims (2)

An air conditioning duct, which is a pipe line that is attached to the roof structure and carries cold air or hot air;
An air outlet cover that covers the air outlet of the air conditioning duct;
In the ceiling structure of a railway vehicle comprising a suspension receiver and a lamp that are arranged on the outer side of the air-conditioning duct and are attached to the support bone of the roof structure,
The outlet cover has a rigid and flat rigid plane portion, and is a outlet unit in which the suspension receiver is attached in advance to the rigid plane portion before being attached to the air conditioning duct.
The outlet unit is attached to a support bone of the roof structure at the rigid plane portion ;
The portion on the sleeper direction inner side of the rigid plane portion is attached to cover the portion on the outer side of the sleeper direction of the central ceiling plate disposed below the air conditioning duct,
The portion of the rigid plane portion outside the sleeper direction is attached so as to cover the portion inside the sleeper direction of the side ceiling board attached to the support bone of the roof structure,
A railcar ceiling structure characterized by The ceiling structure of a railway vehicle according to claim 1,
The blowout unit has a mounting hole for mounting the lamp on the rigid flat surface portion.

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