JP2014213702A - Railroad vehicle structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a railroad vehicle structure capable of easily arranging a housing, at least a part of a wall surface of which serves as an interior surface of the railroad vehicle, in a normal position.SOLUTION: A railroad vehicle structure includes a foundation 3 fixed to a vehicle body, and a housing 4 fixed to the foundation 3 in a state that it is placed on the foundation 3, at least a part of a wall surface (a front face 41 and a right side face 42, for example) of which serves as an interior surface of the railroad vehicle. The position of the housing 4 with respect to the foundation 3 is determined beforehand. According to this configuration, if the position of the foundation 3 with respect to the vehicle body is adjusted when the foundation 3 is fixed to the vehicle body, the position of the housing 4 is also adjusted. That is, by a simple operation of moving the foundation 3 whose weight is smaller than the housing 4, the housing 4 can be arranged in a normal position.

Description

  The present invention relates to a railway vehicle structure including a casing that is at least partially exposed in a passage, an equipment room, and the like.

  For example, Patent Document 1 discloses a multipurpose box installed near the entrance of a railway vehicle. The inside of this multi-purpose box is partitioned up and down by a partition shelf, the lower part of the multi-purpose box is used as a trash can, and equipment such as a switchboard is accommodated in the upper part.

  The multipurpose box is arranged so that the front surface and one side surface face the passage. That is, the front surface and one side surface of the multipurpose box also serve as the interior surface of the railway vehicle. The multipurpose box is fixed to the frame by bolting.

JP 2001-171519 A

  By the way, in the multipurpose box where some wall surfaces also serve as the interior surface of the railway vehicle, it is necessary to adjust the position of the multipurpose box so that the distance from the reference position of the vehicle body to the interior surface has a correct dimension that matches the design value. . However, since the multipurpose box is heavy, such position adjustment is difficult.

  Therefore, an object of the present invention is to provide a railway vehicle structure in which at least a part of a wall surface can be easily disposed at a regular position with a casing that also serves as an interior surface of the railway vehicle.

  In order to solve the above problems, the railcar structure of the present invention is a base fixed to a vehicle body, and a housing having a predetermined position with respect to the base, and is mounted on the base in the state described above. A housing that is fixed to the base and at least a part of the wall surface also serves as an interior surface of the railway vehicle.

  According to said structure, when fixing the base to a vehicle body, if the position of the base with respect to a vehicle body is adjusted, the position of a housing | casing will also be adjusted. That is, the housing can be arranged at a regular position by a simple operation of moving a base that is lighter than the housing.

  ADVANTAGE OF THE INVENTION According to this invention, the rail vehicle structure which can arrange | position the housing | casing in which at least one part wall surface serves as the interior surface of a rail vehicle easily in a regular position can be provided.

(A) And (b) is a plane sectional view and a side view, respectively, of a railway vehicle in which the railway vehicle structure according to one embodiment is adopted. It is an enlarged view of the principal part of Fig.1 (a). It is a perspective view which shows the state before mounting a housing | casing on a base. (A) is sectional drawing along the IVA-IVA line of FIG. 2, (b) It is sectional drawing along the IVB-IVB line of FIG. It is an enlarged view of the A section of FIG.4 (b). It is a perspective view of the case and base of a modification.

  1 (a) and 1 (b) show a railway vehicle 1 that employs a railway vehicle structure according to an embodiment. In the present embodiment, the railway vehicle 1 is an intermediate vehicle, but the railway vehicle 1 may be a leading vehicle.

  The vehicle body 2 of the railway vehicle 1 includes a frame 2A, a side structure 2B, and a roof structure 2C. A cabin 14 is formed in the center of the vehicle body 2, and a passage 12 that connects the entrance 11, the communication port 13, and the cabin 14 is formed on both sides thereof. In the present embodiment, the housing 4 is installed so that a part of the housing 4 is exposed in the one passage 12.

  More specifically, the housing 4 is incorporated in one of the four closed compartments separated by the cross-shaped passage 12 so as to form a corner of the closed compartment. As shown in FIG. 2, the housing 4 has a substantially rectangular parallelepiped shape with a horizontal cross-sectional shape extending in the vehicle width direction.

  In the following description, for convenience of explanation, one in the vehicle longitudinal direction (right side in FIG. 2) is referred to as the front, the other (left side in FIG. 2) is referred to as the rear, and one in the vehicle width direction (upper side in FIG. 2) is the right. The other side (the lower side in FIG. 2) is called the left side. In other words, the closed section in which the housing 4 is incorporated is a left rear closed section with respect to the passage 12.

  As shown in FIG. 2, the housing 4 has, as four wall surfaces, a front surface 41 and a right side surface 42 facing the passage 12, and a rear surface 43 and a left side surface 44 facing the inside of the closed section. That is, the front surface 41 and the right side surface 42 also serve as the interior surface of the railway vehicle 1. The closed section in which the housing 4 is incorporated is partitioned from the passage 12 by the cover 15 between the front surface 41 and the entrance / exit 11 of the housing 4, and is separated from the passage 12 by the cover 16 behind the right side surface 42 of the housing 4. It is partitioned. The cover 15 also covers the left end portion of the front surface 41.

  The corner between the front surface 41 and the right side surface 42 of the housing 4 is formed, for example, in a curved shape so that the front surface 41 and the right side surface 42 are smoothly connected. Note that the corner is not limited to a curved surface, and may have an angular shape so that the front surface 41 and the right surface 42 are orthogonal to each other. Further, the front surface 41 and the right side surface 42 are provided with hinged doors 45 having a substantially L-shaped cross section.

  In the present embodiment, the housing 4 has a ceiling surface, but does not have a bottom surface, and has a box shape that opens downward. As shown in FIG. 3, the housing 4 is attached to a floor structure 20 to be described later via a base 3. That is, the base 3 is fixed to the floor structure 20, and the housing 4 is fixed to the base 3 while being placed on the base 3.

  The base 3 has a frame shape similar to the cross-sectional shape of the housing 4. For this reason, the internal space of the housing | casing 4 is connected to the underfloor space which is the space below the floor board 24 mentioned later through the window which is the center opening of the base 3. FIG.

  In the present embodiment, the housing 4 is a distribution box that houses boards 6 such as a distribution board and a relay board. A wiring processing member 5 to which wiring drawn into the housing 4 is fixed is disposed behind the housing 4, and wiring fixed to the wiring processing member 5 is provided on the rear surface 43 of the housing 4. Holes (not shown) for passing through the body 4 are provided in place. The left side surface 44 may be formed with a large opening at the center so as to leave a slight periphery. Further, the wiring processing member 5 may be arranged on the left side of the housing 4.

  The wiring processing member 5 is a long member, and is attached to the vehicle body 2 so as to extend in the vertical direction along the housing 4. In the present embodiment, the wiring processing member 5 has a U shape that opens toward the housing 4 in plan view. For example, the wiring processing member 5 may be a ladder-like member in which a plurality of horizontal rails are arranged between a pair of left and right L-shaped vertical rails, or a bent plate in which a large number of punched holes are formed. May be.

  Various components such as the board 6 and the door 45 housed in the housing 4 may be attached in advance before the housing 4 is fixed to the base 3, or the various components and the base before being fixed. It is preferable to adjust the position of 3 and the housing 4 in advance. Thereby, it is not necessary to perform drilling or tapping for attaching various parts to the housing 4 during and after the attachment to the vehicle body 2, and it is possible to prevent generation of chips.

  Next, with reference to FIG. 4 (a) and (b), the base 3 and the structure around it are demonstrated in detail.

  In this embodiment, the base 3 is fixed to the floor structure 20 by bolting. However, the base 3 may be fixed to the floor structure 20 by welding, or may be directly fixed to the frame 2A by bolting or welding. The housing 4 is also fixed to the base 3 by bolting. Specifically, the housing 4 has a lower frame 46 that is bolted to the base 3.

  The underframe 2 </ b> A includes a pair of side burrs 21 and a horizontal barb (not shown) that joins the side burrs 21. The floor structure 20 is disposed on the underframe 2A. Specifically, the floor structure 20 includes a support plate 22 disposed on the upper surfaces of the side and lateral burrs, a support table 23 disposed on the support plate 22, a floor plate 24 supported by the support table 23, including. The floor plate 24 is formed in a shape in which the passage 12 is slightly enlarged. That is, the end of the floor plate 24 enters the closed compartment. Then, two sides (front side and right side) adjacent to the passage 12 in the base 3 are placed on the floor plate 24. Note that the support plate 22 is exposed in the closed space. In the present embodiment, the floor structure 20 includes a support plate 22 and a floor plate 24, and is a double floor in which a space is formed between the support plate 22 and the floor plate 24. However, without providing the space. A floor structure in which the support plate 22 and the floor plate 24 are integrated may be used.

  Further, the floor structure 20 includes a support member 26 disposed on the support plate 22 and extending in the vehicle longitudinal direction at a position corresponding to the left side of the base 3. The left side of the base 3 is placed on the support member 26. Note that the rear side of the base 3 floats in the air.

  However, even if the floor plate 24 protrudes below the housing 4, an opening having the same size as the window of the base 3 is formed in the floor plate 24, and all sides of the base 3 are placed on the floor plate 24. Good.

  All the sides of the base 3 have a U-shaped cross section that opens to the inside. However, the configuration of the base 3 is not limited to this. For example, all sides of the base 3 may have a U-shaped cross section that opens to the outside, a square pipe, or a cross section L when the base 3 and the floor plate 24 are welded together. It may be a letter shape.

  More specifically, as shown in FIG. 5, the base 3 includes a substantially rectangular cylindrical peripheral wall 31, an upper flange 32 that protrudes inward from the upper end of the peripheral wall 31, and a lower flange 33 that protrudes inward from the lower end of the peripheral wall 31. And including. In other words, the peripheral wall 31 connects the upper flange 32 and the lower flange 33. The lower flange 33 is in contact with the floor plate 24 and the support member 26, and the upper flange 32 is in contact with the lower frame 46 of the housing 4 via a liner 81 described later.

  The floor plate 24 and the support member 26 are provided with first through holes 24 a (only the through holes of the floor plate 24 are shown in FIG. 5) inserted through the bolts 71 for fixing the base 3. The first through hole 24 a has a diameter slightly larger than the diameter of the shaft portion of the bolt 71.

  On the other hand, the lower flange 33 of the base 3 is provided with an opening 34 larger than the first through hole 24a. The opening 34 is, for example, a hole having a diameter of about 1.5 to 2 times the diameter of the shaft portion of the bolt 71. The opening 34 may be a notch. On the lower flange 33, a closing plate 75 penetrating the bolt 71 in a state of closing the opening 34 is disposed. In contrast to the present embodiment, the first through hole 24 a may be provided in the lower flange 33, and the opening 34 may be provided in the floor plate 24.

  A nut member 72 is disposed below the floor plate 24 and the support member 26. The bolt 71 is inserted into the opening 34 of the lower flange 33 and the first through hole 24a of the floor plate 24 and the support member 26, and the tip thereof is screwed into the nut member 72, whereby the lower flange 33, the floor plate 24 and the support are supported. The member 26 is fastened.

  When the base 3 is fixed to the floor structure 20, the position of the base 3 can be adjusted by the margin of the opening 34 with respect to the shaft portion of the bolt 71. Accordingly, the base 3 is disposed at a position where the distance from the reference position of the vehicle body 2 to the base 3 has a correct dimension, and is fixed to the floor structure 20 in this state.

  A height adjusting liner 81 is inserted between the upper flange 32 and the lower frame 46. The upper flange 32 is provided with a second through hole 32 a that is inserted into a bolt 73 for fixing the housing 4. The liner 81 is also provided with a through hole that is inserted through the bolt 73. The second through hole 32 a has a diameter slightly larger than the diameter of the shaft portion of the bolt 73.

  On the other hand, the lower frame 46 of the housing 4 is provided with an opening 48 larger than the second through hole 32a. The opening 48 is, for example, a hole having a diameter of about 1.5 to 2 times the diameter of the shaft portion of the bolt 73. The opening 34 may be a notch. On the lower frame 46, a closing member 76 that is inserted into the bolt 73 while closing the opening 48 is disposed. Contrary to the present embodiment, the second through hole 32 a may be provided in the lower frame 46, and the opening 48 may be provided in the upper flange 32.

  The second through hole 32 a and the opening 48 determine a certain positional relationship between the base 3 and the housing 4. That is, the position of the housing 4 relative to the base 3 is determined in advance by the second through hole 32a and the opening 48.

  A nut member 74 is disposed below the upper flange 32. The bolt 73 is inserted into the opening 48 of the lower frame 46 and the second through hole 32a of the upper flange 32, and the tip of the bolt 73 is screwed into the nut member 74, whereby the lower frame 46 and the upper flange 32 are fastened. The The nut member 74 may be omitted, and the second through hole 32a of the upper flange 32 may be configured with a screw hole into which the bolt 73 is screwed.

  A floor covering 25 is disposed on the floor plate 24. The floor covering 25 has a main surface portion 25 a superimposed on the floor plate 24, and a rising portion 25 b that rises along the peripheral wall 31 of the base 3. On the other hand, the housing 4 is provided with a hanging wall 47 that hangs down from the lower frame 46 so as to cover the rising portion 25 b of the floor covering 25. The floor covering 25 is, for example, linoleum or vinyl chloride finishing material, but the material is not limited to this.

  A gap is formed between the rising portion 25b of the floor covering 25 and the hanging wall 47, and a seal member 82 such as a sponge is disposed in this gap.

  The wiring processing member 5 extends below the base 3 as shown in FIG. A lower portion of the wiring processing member 5 is fixed to the support plate 22 via a bracket 28. On the other hand, the upper portion of the wiring processing member 5 is fixed to another structure (not shown) disposed in a closed section in which the housing 4 is incorporated. The upper part of the wiring processing member 5 may be fixed to the roof structure 2C. Alternatively, the upper portion of the wiring processing member 5 may be fixed to the roof structure 2C by a bracket, and the lower portion of the wiring processing member 5 may be fixed to another structure disposed in the closed section.

  A tubular member 27 is attached to the support plate 22 for allowing the wiring laid below the support plate 22 to pass therethrough. In order to ensure airtightness and watertightness in the vehicle body 2, the tubular member 27 is filled with a sealing member such as a caulking agent after wiring is passed through the tubular member 27.

  As described above, the railcar structure of the present embodiment is configured such that the base 3 is fixed to the vehicle body 2 and the housing 4 is fixed to the base 3. For this reason, if the position of the base 3 with respect to the vehicle body 2 is adjusted when the base 3 is fixed to the vehicle body 2, the position of the housing 4 is also adjusted. That is, the housing 4 can be arranged at a regular position by a simple operation of moving the base 3 that is lighter in weight than the housing 4.

  In addition, the position adjustment between the base 3 and the housing 4 is performed before the mounting to the vehicle body 2, and at that time, drilling and tapping can be completed. Generation of chips can be prevented during the mounting operation.

  Furthermore, the railway vehicle structure of the present embodiment is provided with a wiring processing member 5 on the side of the housing 4. For this reason, the wiring processing member 5 along the housing 4 can be attached to the vehicle body 2 before the housing 4 serving as a distribution box is taken into the vehicle body 2. Thereby, the laying operation of the wiring from the under floor and the ceiling of the vehicle body 2 to the housing 4 can be performed at an early stage in the manufacturing process of the railway vehicle. In other words, it is not necessary to arrange the distribution box and the boards 6 accommodated therein at an early stage. After the housing 4 is taken into the vehicle body 2, the wiring laid using the wiring processing member 5 can be drawn into the housing 4 and connected to the boards 6.

  In the present embodiment, an opening 34 having a margin with respect to the bolt 71 is provided in the lower flange 33 of the base 3, and an opening 48 having a margin with respect to the bolt 73 is provided in the lower frame 46 of the housing 4. It has been. For this reason, the position of the base 3 can be adjusted flexibly. This eliminates the need for drilling at the site and prevents the generation of chips.

  Furthermore, in this embodiment, since the rising portion 25b of the floor covering 25 is covered and hidden by the hanging wall 47 of the housing 4, the housing 4 can be rationally used to improve the appearance of the floor surface of the vehicle body 2. Can do.

(Modification)
In the embodiment, a part of the housing 4 is exposed to the passage 12, but the housing 4 may be configured to be exposed to the passage 12. In other words, all the wall surfaces 41 to 44 of the housing 4 may also serve as the interior surface of the railway vehicle 1.

  Moreover, the housing | casing 4 does not necessarily need to be installed so that it may be exposed to the channel | path 12, for example, may be installed so that it may be exposed to an equipment room or a driver's cab.

  Furthermore, the housing 4 is not necessarily a distribution box. For example, as shown in FIG. 6, a trash box dedicated box in which a trash box (not shown) is arranged and a front surface 41 is provided with a door 45 and a trash input 49 may be used. In this case, the base 3 may have a U-shape that opens forward so that the trash can can be taken out from the inside of the housing 4 along the floor plate 24 (see FIG. 4A).

  Further, instead of the cover 16 in FIG. 2, a unit composed of the housing 4 and the base 3 shown in FIG. 6 may be arranged.

  The railway vehicle structure of the present invention is useful for various vehicles such as high-speed railway vehicles and suburban vehicles.

DESCRIPTION OF SYMBOLS 1 Railcar 2 Car body 20 Floor structure 24 Floor board 24a 1st through-hole 25 Floor covering 25a Main surface part 25b Rising part 3 Base 32 Upper flange 32a 2nd through-hole 33 Lower flange 34 Opening 4 Housing | casing 41-44 Wall surface 46 Lower frame 47 Hanging wall 48 Opening 5 Wiring processing member 6 Board 71, 73 Bolt

Claims (5)

A base fixed to the vehicle body,
A housing with a predetermined position relative to the base, the housing being fixed to the base in a state of being placed on the base, and a housing in which at least a part of the wall surface also serves as an interior surface of the railway vehicle;
A railway vehicle structure comprising: The housing is a distribution box that houses a distribution board,
The railway vehicle structure according to claim 1, further comprising: a wiring processing member that is attached to the vehicle body in a state of extending in the vertical direction along the casing and to which a wiring drawn into the casing is fixed. The base is bolted to the vehicle body,
The railway vehicle structure according to claim 1 or 2, wherein the casing is bolted to the base. A floor board on which the foundation is placed;
The housing includes a lower frame that is bolted to the base,
The base includes a lower flange that contacts the floor plate and an upper flange that contacts the lower frame,
One of the floor plate and the lower flange is provided with a first through hole inserted into a bolt for fixing the base, and the other is provided with an opening larger than the first through hole,
One of the upper flange and the lower frame is provided with a second through hole inserted into a bolt for fixing the housing, and the other is provided with an opening larger than the second through hole. Item 4. The railway vehicle structure according to Item 3. A floor board on which the foundation is placed;
A floor covering having a main surface portion superimposed on the floor plate and a rising portion that rises along the base; and
The housing includes a lower frame that is bolted to the base, and a hanging wall that hangs down from the lower frame so as to cover the rising portion of the floor covering.
The railway vehicle structure according to claim 3 or 4.

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