JP3960371B2 - How to install the outer hood for railway vehicles - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an outer hood for a railway vehicle and its mounting method, and more specifically covers the entire circumference of the space between the front and rear vehicles to reduce the transmission of wind noise of the vehicle and noise in the vehicle deck to the interior of the vehicle. In addition, the present invention relates to an outer hood for a railway vehicle that is capable of following a large deformation on a track with a small radius of curvature at a yard and a method for attaching the same.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a vehicle hood that covers a space between high-speed railway vehicles is composed of an inner hood that covers the entire inner periphery between vehicles and an outer hood that covers only the left and right side surfaces of the vehicle outside the vehicle.
[0003]
An inner hood provided in the vehicle connecting portion is formed in a bellows structure and serves to protect the inside of the vehicle from wind and snow, dust, etc., and the outer hood is a rubber having a U-shaped cross section attached to the side surfaces of the front and rear vehicles. It consists of a plate and has an aesthetic appearance of the vehicle connection part, and has also played a role in preventing passengers from falling from the platform of the station to the track in the space between the vehicles.
[0004]
[Problems to be solved by the invention]
However, the above-mentioned vehicle hood has been considered to be sealed in order to prevent intrusion of wind and snow, dust, etc., but no sufficient measures have been taken against noise. Because it is not arranged all around the connecting part of the vehicle, wind noise, friction noise between wheels and rails, tapping noise at rail joints, wheel rolling noise, pantograph rubbing noise, resonance when passing through an iron bridge There was a problem that sound, etc. entered the vehicle directly through the inner hood.
[0005]
Also, when traveling on a track with a small radius of curvature at the yard, there is a problem that the outer hood provided on the left and right side surfaces of the vehicle cannot flexibly respond, and the outer hoods come into contact with each other to shorten the service life.
[0006]
SUMMARY OF THE INVENTION An object of the present invention is to provide an outer hood having excellent durability, an outer hood for railway vehicles having excellent productivity and workability, and a method for mounting the same, while reducing noise from outside the vehicle transmitted to the inside of the vehicle. .
[0007]
[Means for Solving the Problems]
To achieve the above Symbol purposes, attachment method for a railway vehicle outside hood of the invention, a flexible film of a substantially U-shape so as to cover the entire circumference of the space of the vehicle at the junction of the front and rear vehicle An annular outer hood is attached to the rear end portion of the front vehicle and the front end portion of the rear vehicle so as to face each other, and the annular outer hood is attached to the space portion of the vehicle. It is composed of a plurality of linear members covering up, down, left and right, and corner members connected to the linear members and arranged at the four corners. As the plurality of linear members, the vicinity of the center in the width direction is thin, and at both ends. A flexible film body having thick flange portions projecting in opposite directions from each other is formed in advance, and the corner member is formed in a substantially U-shaped cross section with a predetermined curvature. And both ends in the width direction on the U-shaped open side When the flexible film body previously formed as the linear member is mounted around the space between the vehicles, a flange portion protruding toward the inner peripheral side of the corner is provided in advance. The flange portion is attached to the outer peripheral side of the straight, vertical, left and right portions of the vehicle so that the end of the flange portion faces the inside of the vehicle, and then the flexible film body with the one flange portion attached to the vehicle is cross-sectioned. Is bent to the inside of the vehicle so as to be U-shaped, and the other flange portion is attached to the inner peripheral side of the linear portion of the vehicle to form a linear member of the outer hood, and then the pre-formed corner member is The gist is to form a ring-shaped outer hood by attaching it to the vehicle with a flange portion that protrudes toward the inner peripheral side of the corner superimposed on the longitudinal end of the linear member attached to the vehicle so that the cross section is U-shaped. Things to do A.
[0008]
Here, it is also possible to form a through hole in a wall surface having a substantially U-shaped cross section of the corner member .
[0009]
In addition, a reinforcing layer can be embedded in the flexible membrane forming the linear member .
[0010]
In this way, an annular outer hood having a cavity inside is divided into upper, lower, left and right linear members and corner members connecting them, and each is manufactured in order to increase productivity of the annular outer hood. In addition, the workability required for installation has been improved .
[0011]
In addition, the outer hood attached in this way allows wind noise, wheel and rail friction noise, rattling noise at the rail joints, wheel rolling noise, pantograph rubbing noise, resonance noise when passing the iron bridge, etc. from outside the vehicle. The noise transmitted to the vehicle through the inner hood can be reduced .
[0012]
Further, in the case of traveling on a track of small radius of curvature for the outer hood having a cavity therein is largely deformed, it can be improved durability without damage by the outer hood each other are in contact.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
[0014]
In each figure, the same constituent elements are denoted by the same reference numerals, and redundant description is omitted.
[0015]
1, the outer hood this invention showing a portion oblique view diagram for explaining one embodiment of a state of being attached to a vehicle, an annular cover the entire circumference of the space between the vehicles at the junction of the vehicle 1 The outer hood 2 is composed of a straight member 3 on the top, bottom, left and right and a corner member 4 connecting the four corners. In the figure, reference numeral 5 denotes a passage in the vehicle 1.
[0016]
FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1, and the linear member 3 of the outer hood 2 is composed of a flexible film body 6 having a substantially U-shaped cross section, and EPDM, CR, General-purpose rubbers such as IR, NBR, BR, SBR and NR are suitable, and these rubbers are coated on a woven fabric made of nylon, aramid, PET or other fibers as a reinforcing layer to increase rigidity and resilience as necessary. To use.
[0017]
In FIG. 2, the outer shapes of the connected vehicle and the outer hood attached to the vehicle are shown by dotted lines in order to show the relative positional relationship between the front and rear vehicles. That is, the outer hood 2 of the present invention is constituted by a flexible membrane body 6 having a substantially U-shaped cross section that is attached to face the rear end portion of the front vehicle 1 and the front end portion of the rear vehicle 1.
[0018]
Figure 3 is a partial oblique view diagram for explaining the shape after molding of the flexible membrane body 6 constituting the linear member 3 of the outer hood 2, the flexible film member 6 near the center in the width direction 7 2 is thin and gradually thickens toward both ends, and thick flange portions 8 for attachment to the vehicle 1 are formed at both ends, and this flexible film body 6 is formed on the vehicle as shown in FIG. 1 and a thick-walled flange portion 8 at a portion attached to 1 and a thin-walled U-shaped film body portion at a portion facing the front and rear vehicle 1.
[0019]
FIG. 3 shows the case where the flange portions 8 formed at both ends of the flexible film body 6 have shapes projecting in opposite directions. This is the case where the flexible film body 6 is attached to the vehicle 1. Therefore, even if the protruding directions of the flange portions 8 formed at both ends of the flexible film body 6 are the same, there is no problem.
[0020]
As shown in FIG. 4, the flexible film body 6 is attached by attaching one flange portion 8 to the outer peripheral side of the upper, lower, left and right linear portions of the vehicle 1 so that the end portion is directed toward the inside of the vehicle 1. Thereafter, the other end side is bent in the direction indicated by the arrow in the drawing, and the flexible film body 6 is bent so that the cross section of the flexible film body 6 is U-shaped. The installation of the linear member 3 of the outer hood 2 is completed.
[0021]
Further, as shown in FIG. 5, a plurality of corner members 4 formed with a predetermined curvature and having a substantially U-shaped cross section and having a flange portion having an L-shaped cross section inward in the width direction end portion are linear members. 3 is completed separately and the end of the corner member 4 in the longitudinal direction is overlapped with the end of the linear member 3 and attached to the vehicle 1 to complete the attachment of the annular outer hood 2 according to the present invention. It is.
[0022]
In the figure, reference numeral 9 denotes a through hole formed in the wall surface of the corner member 4. In order to facilitate mutual deformation when the outer hoods 2 attached to the front and rear vehicles come into contact with each other during traveling, The through-hole 9 is not always necessary, but may be formed in the flexible film body 6 of the linear member 3 as necessary.
[0023]
6 and 7 correspond to Figure 2 for illustrating the movement of the outer hood 2 when the vehicle 1 fitted with the outer hood 2 Ri by the present invention travels on a low trajectory radius of curvature in the operation field and the like FIG. 6 shows the movement of the outer hood 2 on the outer periphery side of the track, and FIG. 7 shows the movement of the outer hood 2 on the inner periphery side of the track.
[0024]
As shown in FIG. 7, the outer hood 2 attached according to the present invention has a hollow inner cross section, so that the outer hoods 2 attached to the front and rear vehicles are in contact with each other by traveling on a track with a small radius of curvature. In this case, the outer hoods 2 attached to the front and rear vehicles are freely deformed so that the outer hood 2 is not damaged, and the durability as an outer hood is excellent.
[0025]
【The invention's effect】
As described above, the present invention covers the entire circumference of the space between the vehicles with the annular outer hood, and the outer hood once blocks the noise from the outside of the vehicle, so that the outside noise is directly transmitted to the inside of the vehicle through the inner hood. It is effective in preventing and reducing noise in the car.
[0026]
In addition, when attaching an annular outer hood with a space inside to the vehicle, the outer hood was divided into a straight member on the top, bottom, left and right and a corner member connecting the four corners, and each was molded and attached in sequence. Excellent in workability and installation workability.
[0027]
Furthermore, when traveling on a track with a small radius of curvature, such as in an operation field, the outer hoods attached to the front and rear vehicles are deformed with each other, so there is no damage due to contact between the outer hoods, and durability is excellent.
[Brief description of the drawings]
1 is a partial oblique view diagram for explaining one embodiment of a status of attaching the outer hood of the vehicle by the present invention.
FIG. 2 is a cross-sectional view taken along the line AA in FIG.
3 is a partial oblique view diagram for explaining one embodiment of a shape of the flexible membrane body constituting the linear portion of the outer hood used in the present invention.
FIG. 4 is an explanatory view of a method for attaching a flexible film body constituting the straight portion of the outer hood according to the present invention.
FIG. 5 is an explanatory diagram for explaining a method of attaching the annular outer hood according to the present invention.
6 is a cross-sectional view corresponding to FIG. 2 for explaining the movement of the outer hood when a vehicle equipped with the outer hood according to the present invention travels on a track with a small radius of curvature; Showing movement.
7 is a cross-sectional view corresponding to FIG. 2 for explaining the movement of the outer hood when a vehicle equipped with the outer hood according to the present invention travels on a track with a small radius of curvature, and is an outer hood on the inner peripheral side of the track. Shows the movement.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Vehicle 2 Outer hood 3 Straight member 4 Corner member 5 Passage 6 Flexible film body 7 Center vicinity 8 Flange part 9 Through-hole

Claims (3)

An annular outer hood made of a flexible film body having a substantially U-shaped cross section is provided at the rear end portion of the front vehicle and the front end portion of the rear vehicle so as to cover the entire circumference of the space portion of the vehicle at the connecting portion of the front and rear vehicles. A method of attaching a railcar outer hood to be mounted opposite to each other, wherein the annular outer hood is arranged at four corners connected to the linear members and a plurality of linear members covering the upper, lower, left and right sides of the space of the vehicle. It is composed of a corner member which is, Examples plurality of linear members, in thin wall near the center in the width direction, and gradually becomes thicker toward the opposite ends, the thick projecting in opposite directions at both ends thereof A flexible film body having a flange portion is formed in advance, the corner member is formed in a substantially U-shaped cross section with a predetermined curvature, and the corner inner peripheral side is formed at both end portions in the width direction which are U-shaped open sides. Pre-formed with a flange part protruding toward When the flexible film body previously formed as the linear member is mounted around the space between the vehicles, one flange portion is placed so that the end of the flange portion faces the inside of the vehicle. Attached to the outer peripheral side of the straight, vertical, left and right parts of the vehicle , and then the other flange part is bent to the inside of the vehicle so that the cross section of the flexible film body attached to the vehicle is U-shaped. The longitudinal direction of the linear member in which the portion is attached to the inner peripheral side of the linear portion of the vehicle to form the linear member of the outer hood, and then the pre-formed corner member is attached to the vehicle so that the cross section is U-shaped. method of mounting outside awning for rail vehicles which form attached to the vehicle in the flange portion by overlapping the end portion projecting toward the corner inner circumference side to an annular outer hood. The method for mounting an outer hood for a railway vehicle according to claim 1, wherein the corner member has a through hole in a wall surface having a substantially U-shaped cross section . The method for mounting an outer hood for a railway vehicle according to claim 1 or 2, wherein the flexible film forming the linear member has a reinforcing layer embedded therein .

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