JP2016043808A - Body structure window frame bone and rain gutter structure of railroad vehicle operation cab - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve reduction of the number of man-hour for operation and improvement of a dimensional accuracy for installation of a rain gutter of a railroad vehicle operation cab.SOLUTION: A body structure window frame bone 12 of a railroad vehicle operation cab in which a rain gutter 16 is configured from an open-web member 14 which rises from a position along an upper limb of a sliding window opening 12c and an outer wall of the body structure window frame bone 12. Since the open-web member 14 is formed integrally with the outer wall of the body structure window frame bone 12, a desired positional accuracy of a rain gutter 16 with respect to the sliding window opening 12c can be assured. Further, since the body structure window frame bone 12 and the open-web member 14 are integrally formed, study for shapes, engineering and manufacture of both can be integrally performed, and an operation for fixing both becomes useless. In addition, necessity for studying and assuring a strength of attachment of the open-web member 14 to the body structure window frame bone 12 can be eliminated.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a structure window frame bone and a gutter structure of a railway vehicle cab.

  Rain gutters are installed on both sides of the roof of the railway vehicle in the width direction to prevent rainwater from passing through the side of the car body and obstructing the view of the window and entering the car from the side opening (for example, patent Reference 1). In some limited express railcars, a driver's cab is arranged at a high position, and a crew window is installed for a crew member to check the front-rear direction from the side of the vehicle body. Also in this case, in order to prevent raindrops from flowing into the room when the sliding window is opened, a rain gutter is installed at a position along the upper side of the sliding window opening.

JP 2013-82278 A

  By the way, the rain gutter of the above-mentioned sliding window opening is conventionally installed by welding a gutter member to the outer wall of the structure window frame bone constituting the driver's cab. The shape of the heel member is being studied, designed and manufactured. Further, it is necessary to perform an operation of fixing the gutter member to the outer wall of the structure window frame bone by welding or the like. At this time, it is necessary to sufficiently secure the attachment strength to the structure window frame bone. In addition, the outer wall of the structure window frame bone may be deformed due to welding distortion when the window frame member is welded. Furthermore, in order to secure the water tightness between the outer wall of the frame frame and the gutter member, it is necessary to seal the bottom of the gutter groove, and maintenance work due to deterioration of the sealing material is also necessary. It was.

  The present invention has been made in view of the above problems, and an object of the present invention is to reduce work man-hours and improve dimensional accuracy due to installation of rain gutters on railway vehicle cabs.

(Aspect of the Invention)
The following aspects of the present invention exemplify the configuration of the present invention, and will be described separately for easy understanding of various configurations of the present invention. Each section does not limit the technical scope of the present invention, and some of the components of each section are replaced, deleted, or further while referring to the best mode for carrying out the invention. Those to which the above components are added can also be included in the technical scope of the present invention.

(1) A railway vehicle cab that is a structure window frame bone of a railway vehicle cab, and includes a sliding window opening, and a strip member that rises from a position along the upper side of the sliding window opening is integrally formed with the outer wall. The structure window frame bone (claim 1).
The structure window frame bone of the railway vehicle cab described in this section is configured such that a gutter is constituted by a strip plate member rising from a position along the upper side of the sliding window opening and an outer wall of the structure window frame bone. . And the desired position accuracy of the rain gutter with respect to a sliding window opening part is ensured by the band board member being integrally formed with the outer wall of the structure window frame bone. In addition, since the structure window frame bone and the band plate member are integrally formed, the shape examination, design, and production of both are integrally performed, and the work of fixing both becomes unnecessary, and the band plate member for the structure window frame bone is unnecessary. There is no need to study and secure the mounting strength of the. The band plate member rises from the position along the upper side of the sliding window opening portion in the horizontal direction or upward, so that it has a V-shaped cross section opened upward between the outer wall of the structure window frame bone. A groove is formed, and this groove functions as a rain gutter for guiding rainwater to a position off the sliding window opening. Then, by adopting a mode in which the strip member rises upward, it is most effectively prevented that rainwater flowing along the rain gutter spills into the sliding window opening.

(2) In the above item (1), the structure window frame bone is composed of a plurality of structure parts cut out from a metal block material by machining, and the frame opening is formed among the plurality of structure parts. A structure window frame bone of a railway vehicle cab in which the band plate member is cut out from the metal block material integrally with the structure part formed (Claim 2).
The steel window frame bone of the railway vehicle cab described in this section is obtained by cutting both the structural parts and the strip plate members constituting the structural window frame bone from a single metal block material by a series of machining operations. It is what For this reason, the accuracy of the position of the strip member in the structural part is guaranteed within the range of the processing accuracy of the machine tool performing the machining. Further, by setting the shape of the connecting portion between the structure part and the band plate member, the necessary attachment strength of the band plate member to the structure part is ensured. In addition, the continuity between the outer wall of the structure window frame bone and the band plate member is maintained without change from the state of the original metal block material, so that the watertightness of both is ensured.

(3) In the railway vehicle cab provided with the sliding window opening, a lower end is disposed at a position along the upper side of the sliding window opening on the outer wall, and a band plate member rising from the outer wall is formed integrally with the outer wall, A rain gutter structure for a railway vehicle cab comprising a groove having a V-shaped cross section opened upward, in which a strip member and the outer wall are continuously formed (Claim 3).
The rain gutter structure of the railway vehicle cab described in this section includes a strip member that has a lower end disposed at a position along the upper side of the sliding window opening on the outer wall of the railway vehicle cab, and rises from the outer wall. A gutter is constituted by the outer wall of the table. And since the strip member is integrally formed with the outer wall, the desired position accuracy of the rain gutter with respect to the sliding window opening is ensured. In addition, since the outer wall and the band plate member are integrally formed, the shape examination, design, and production of both are integrally performed, and the work of fixing both is unnecessary, and the attachment strength of the band plate member to the structure window frame bone Is no longer needed. In addition, the present gutter has a groove with a V-shaped cross section that is formed by continuously forming a belt plate member and an outer wall, so that the bottom of the gutter groove is not sealed. The watertightness between the band plate member and the outer wall is ensured by themselves. The band plate member rises from the position along the upper side of the sliding window opening in the horizontal direction or upward, and thus has a V-shaped cross section opened upward from the outer wall of the railway vehicle cab. A groove is formed, and this groove functions as a rain gutter for guiding rainwater to a position off the sliding window opening. Then, by adopting a mode in which the strip member rises upward, it is most effectively prevented that rainwater flowing along the rain gutter spills into the sliding window opening.

(4) In the above item (3), the structure window frame bone constituting the railcar cab is composed of a plurality of structure parts machined from a metal block material, and among the plurality of structure parts A rain gutter structure for a railway vehicle cab in which the strip plate member is cut out from the metal block material integrally with a structural part in which the frame opening is formed (Claim 4).
The rain gutter structure of a railway vehicle cab described in this section is a structure in which both the structural parts and the strip members constituting the structural window frame bone are integrally cut out from a single metal block material by a series of machining processes. It is. For this reason, the accuracy of the position of the strip member in the structural part is guaranteed within the range of the processing accuracy of the machine tool performing the machining. Further, by setting the shape of the connecting portion between the structure part and the band plate member, the necessary attachment strength of the band plate member to the structure part is ensured. In addition, the continuity between the outer wall of the structure window frame bone and the band plate member is maintained without change from the state of the original metal block material, so that the watertightness of both is ensured.

  Since this invention was comprised in this way, it becomes possible to aim at reduction of an operation man-hour and improvement of a dimensional accuracy resulting from installation of the rain gutter of a railway vehicle cab.

(A) is a side view which shows the cab periphery part of the railway vehicle which has the rain gutter structure which concerns on embodiment of this invention, (b) is the A section enlarged view of (a), (c) FIG. 8 is a view B of FIG. It is a perspective view which shows the external appearance shape of the structure window frame bone | frame shown by FIG. It is a single-piece | unit perspective view of the structure component provided with the rain gutter shown by FIG.

  The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. Here, parts that are the same as or correspond to those in the prior art are denoted by the same reference numerals, and detailed description thereof is omitted.

  The railway vehicle cab 10 according to the embodiment of the present invention relates to an express railway vehicle as shown in FIG. 1A, and a sliding window 11 is provided on a side surface of the cab. Further, the external shape of the railway vehicle cab 10 is constituted by a structure window frame bone 12 shown in FIG. The structure window frame bone 12 is formed with a sliding window opening 12 c for mounting the sliding window 11. Further, as shown in FIGS. 1B and 1C, a strip member 14 rising upward is integrally formed with the outer wall at a position along the upper side of the sliding window opening 12c. A rain gutter 16 is constituted by the strip plate member 14 and the outer wall of the structure window frame bone 12.

  The structure window frame bone 12 is configured by combining a plurality of structure parts 12A, 12B, 12C, 12D, 12E, and 12F machined from a metal block material and fixing them together by welding. In the illustrated example, the sliding window opening 12c and the strip member 14 are formed in the structural parts 12E and 12F. In the illustrated structure window frame bone 12, an opening 12a to which the front window shield is fixed is formed in the structure part 12A, and an opening 12b to which the front side window shield is fixed is formed in the structure parts 12B and 12C. Yes.

  In the present embodiment, the structure parts 12E and 12F including the band plate member 14 are cut out from the same metal block material 120 by a series of machining steps as shown in FIG. The strip-shaped component 14 is also cut out integrally with the structural components 12E and 12F. In addition, the structure parts 12E and 12F make a symmetrical shape in a state assembled as the structure window frame bone 12. The other structural parts 12A, 12B, 12C, and 12D are also cut out from a metal block material suitable for cutting out the shape of each part, but the illustration is omitted.

  As shown in FIG. 1C, the lower end of the band plate member 14 is disposed at a position along the upper side of the sliding window opening 12c on the outer wall of the structural part 12E (the same applies to the structural part 12F). The outer wall of the structural part 12E is formed integrally with the outer wall of the structural part 12E so as to rise upward while being separated from the outer wall of the structural part 12E. And the rain gutter 16 is provided with the groove | channel of the cross-section V character shape which the strip | belt board member 14 and the outer wall of the structure component 12E continued, and was open | released upwards. Further, in order to secure the bonding strength between the band-shaped component 14 and the structural body component 12E, a connecting portion 14a having a wedge-shaped cross-sectional shape is formed along the lower end of the band plate member 14 as necessary. In addition, this connection part 14a is equivalent to the site | part with which the sealing material was filled in the conventional structure which fixes the gutter member separate from the structure window frame bone 12 to the structure window frame bone 12 by welding. Is.

According to the embodiment of the present invention having the above configuration, the following operational effects can be obtained.
That is, the structure window frame bone 12 of the railway vehicle cab according to the embodiment of the present invention includes the band plate member 14 that rises upward from the position along the upper side of the sliding window opening 12c, and the structure window frame bone 12. The outer gutter 16 constitutes the gutter 16. And the desired position accuracy of the rain gutter 16 with respect to the sliding window opening part 12c is ensured by the band board member 14 being integrally formed with the outer wall of the structure window frame bone | frame 12. FIG. In addition, since the structure window frame bone 12 and the band plate member 14 are integrally formed, the shape examination, design, and production of both are integrally performed, and the work of fixing the both becomes useless. There is no need to examine and secure the attachment strength of the band plate member 14.

  The band plate member 14 rises from a position along the upper side of the sliding window opening 12c to form a groove having a V-shaped cross section opened upward with the outer wall of the structure window frame bone 12, This groove functions as a rain gutter for guiding rain water to a position off the sliding window opening 12c. Then, as shown in FIG. 1 (c), it is most effectively prevented that rainwater flowing along the rain gutter falls down to the sliding window opening 12c by vertically rising upward. To be. However, any aspect that rises from the outer wall of the structure window frame bone 12 in the horizontal direction (indicated by a dotted line and reference numeral 14 ') or upward (not necessarily vertical) will function as a rain gutter. .

  In the embodiment of the present invention, both the structural parts 12E and 12F constituting the structural window frame bone 12 and the strip plate member 14 are integrally cut out from a single metal block material 120 by a series of machining operations. Is. For this reason, the accuracy of the position of the strip plate member 14 in the structural parts 12E and 12F is guaranteed within the range of the machining accuracy of the machine tool that performs machining. Moreover, the necessary attachment strength of the band plate member 14 to the structure parts 12E and 12F is obtained by performing appropriate shape setting such as providing a connection portion 14a at the connection part between the structure parts 12E and 12F and the band plate member 14. Is secured.

  Further, the continuity between the outer walls of the structural parts 12E and 12F and the strip plate member 14 is maintained without change from the state of the metal block material 120 which is the raw material. The rain gutter 16 has a wall surface of a groove having a V-shaped cross section opened upward, in which the strip plate member 14 and the outer wall of the structural parts 12E and 12F are continuously formed. Without sealing the bottom of the groove, the water tightness between the strip plate member 14 and the outer wall of the structural parts 12E and 12F is ensured by themselves, and maintenance work due to deterioration of the sealing material is unnecessary. It is.

  10: Driver's cab, 11: Sliding window, 12: Structure window frame bone, 12c: Sliding window opening, 12E, 12F: Structure part, 14: Strip plate member, 14a: Connecting part, 16: Rain gutter

Claims (4)

A railway vehicle frame of a railway vehicle cab, comprising a sliding window opening, and a strip member rising from a position along the upper side of the sliding window opening is formed integrally with the outer wall. The frame of the cab body frame. The structure window frame bone is composed of a plurality of structure parts machined from a metal block material by machining,
2. The railway vehicle operation according to claim 1, wherein the strip plate member is cut out of the metal block material integrally with the structure part in which the frame opening is formed among the plurality of structure parts. Stand frame frame bone. A strip plate member having a lower end disposed at a position along the upper side of the sliding window opening portion of the outer wall of the railway vehicle cab provided with the sliding window opening portion and rising from the outer wall is formed integrally with the outer wall, and the strip plate member A rain gutter structure for a railway vehicle cab comprising a groove having a V-shaped cross section, which is continuously formed from the outer wall and the outer wall. The structure window frame bone constituting the railway vehicle cab is composed of a plurality of structure parts machined from a metal block material by machining,
4. The railway vehicle operation according to claim 3, wherein the strip plate member is cut out of the metal block material integrally with the structure part in which the frame opening is formed among the plurality of structure parts. Stand gutter structure.

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