JPWO2014045363A1 - Vehicle structure - Google Patents

Abstract

In the vehicle structure (1) having a roof structure (10), a side structure (20), and a frame (40), and having a pillow beam that couples a traveling device to the lower surface of the frame (40), the through pipe is abolished. Realize modularization of wiring and piping to reduce the number of manufacturing steps of the car body. Near the end of the frame (40) in the longitudinal direction (120), the central pillow beam (47) is on the central side in the width direction (110), and the end pillow beams (48, 48) are on both ends. These are constituted by a hollow extruded section formed by hollow extrusion molding of two opposing face plates and a plurality of ribs connecting the face plates. The central pillow beam (47) is arranged in such a manner that the extrusion direction thereof coincides with the width direction (110), and the end pillow beams (48, 48) are arranged so that the extrusion direction thereof coincides with the longitudinal direction (120). . It becomes possible to pass modularized wiring and piping between a plurality of ribs along the longitudinal direction formed inside the end pillow beams (48, 48). The production man-hours can be reduced.

Description

  The present invention has a roof structure that forms an upper surface, a side structure that forms a side surface, a frame that forms a lower surface, and a monorail vehicle, a railcar, and the like that includes a pillow beam that couples a traveling device to the lower surface of the frame. This relates to the vehicle structure.

In recent years, for the purpose of reducing weight, increasing rigidity, and improving manufacturability, hollow extrusion molding is used to form a highly rigid aluminum alloy consisting of two opposing face plates and a plurality of ribs connecting these face plates. A manufacturing method for assembling a vehicle structure, which is a structure of a monorail vehicle or a railway vehicle, by manufacturing extruded shape members and using them for each structure constituting the vehicle structure is becoming widespread.
A vehicle structure generally includes a roof structure that forms an upper surface, a side structure that forms a side surface, a frame that forms a lower surface, and a wife structure that forms an end surface in the longitudinal direction. Among these, the end frame that forms the lower surface of the lower surface of the underframe close to the longitudinal end portion is provided with a middle beam provided with a coupler for connecting vehicles to each other, and the weight of the vehicle body as a traveling device (hereinafter referred to as a dolly). .) Pillow beams are provided for support.

  In general, a structure having a strength capable of bearing a heavy load acting on a vehicle structure via a coupler or a carriage is adopted by combining the intermediate beam and the pillow beam so as to cross each other. An aluminum alloy extruded profile is required for the intermediate beam, and a pillow beam requires a corresponding area to support the load acting through the carriage with high rigidity. Extruded profile is applied.

Many devices such as power supply systems, control systems, and high-pressure air systems that make up driving devices and braking devices need to be installed in a limited space on the underside of the frame reinforced with intermediate beams and pillow beams. It is necessary to arrange wiring and piping connecting these devices.
However, it is necessary to form the center pin receiver of the cart at the center and the suspension air spring receiver on both sides of the pillow beam, which occupies most of the width direction of the underframe. For this reason, the space for the above-mentioned wiring and piping cannot be secured sufficiently.

Therefore, in FIGS. 14 and 15 of Patent Document 1 below, in order to secure a space for wiring and piping, a through pipe is provided in the pillow beam located above the carriage, and wiring and piping are performed through this through pipe. It has been shown.
However, since the number of manufacturing steps of the vehicle body increases with the installation of the through pipe, in Patent Document 1, the space in the middle beam is utilized for wiring and piping, so that the number of manufacturing steps of the vehicle body accompanying the installation of the through pipe is reduced. A vehicle structure that prevents the increase is proposed.

On the other hand, as a method for suppressing an increase in the number of manufacturing steps of the vehicle body due to the installation of wiring / piping, it is conceivable that a modularized wiring / piping is manufactured out-of-work and attached to the vehicle body.
However, in the structure shown in FIGS. 1 and 2 of Patent Document 1, it is difficult to provide the intermediate beam with a sufficient space for passing modularized wiring and piping. In addition, since it is necessary to bend the modularized wiring and piping before and after the pillow beam in accordance with the space in the middle beam, the number of manufacturing steps of the vehicle body may increase.

JP 2010-173628 A

  Therefore, an object of the present invention is to provide a vehicle structure including a roof structure that constitutes an upper surface, a side structure that constitutes a side surface, and a frame that constitutes a lower surface, and a pillow beam that couples a traveling device to the lower surface of the frame. The goal is to reduce the number of man-hours for the production of the car body by both eliminating the penetration pipe and modularizing the wiring and piping.

In order to solve the above problems, a vehicle structure according to the present invention is a vehicle structure that includes a roof structure, a side structure, and a frame, and includes a pillow beam for connecting a traveling device to a lower surface of the frame, the pillow structure. Is positioned at the center in the width direction of the underframe and is positioned at the end of the underframe in the width direction of the first pillow beam having a center pin coupled to the travel device, and abuts the air spring of the travel device It is comprised by the 2nd pillow beam.
And the 1st pillow beam and the 2nd pillow beam are comprised by the hollow extrusion shape material which formed two or more face plates which oppose, and several rib which connects this face plate by hollow extrusion molding, 1st The extrusion direction of the hollow extrusion member constituting the pillow beam is along the width direction of the underframe, and the extrusion direction of the hollow extrusion member constituting the second pillow beam is along the longitudinal direction of the underframe. .

  According to this vehicle structure, even if no through pipe is installed, the extrusion direction is along the longitudinal direction of the underframe, and the second pillow beam in which a plurality of ribs are formed in this direction is modularized. Wiring and piping can be passed, reducing the number of manufacturing steps for the car body. In addition, since the first pillow beam has an extrusion direction along the width direction of the frame and a plurality of ribs are formed in this direction, the second pillow beam is formed along the longitudinal direction of the frame. High rigidity is obtained over the entire pillow beam in cooperation with the ribs, so that the load acting from the cart and coupler can be borne by the entire pillow beam, and the weight of the end stand frame can be reduced.

FIG. 1 is a bottom perspective view showing an embodiment of a vehicle structure according to the present invention. FIG. 2 is a cross-sectional view of the vehicle structure shown in FIG. FIG. 3 is a cross-sectional view of the vehicle structure shown in FIG. 4 is a cross-sectional view of the vehicle structure shown in FIG. FIG. 5 is a DD cross-sectional view of the vehicle structure shown in FIG.

Hereinafter, an example of a vehicle structure according to the present invention will be described with reference to the drawings.
FIG. 1 is a bottom perspective view (a perspective view of a vehicle body viewed from a cart side) showing an embodiment of a vehicle structure according to the present invention. In each figure, the vertical direction of the vehicle structure 1 is the height direction 100, the width direction of the vehicle structure 1 perpendicular to the vehicle direction 1 is the width direction 110, the height direction 100, and the longitudinal direction of the vehicle structure 1 perpendicular to the width direction 110. Is the longitudinal direction 120.

  In the vehicle structure shown in FIG. 1, the vehicle structure 1 includes a frame 40, side structures 20 and 20 (only one is shown) erected on both ends of the frame 40 in the width direction 110, and the length of the frame 40. It is composed of end structures 30 and 30 (only one is shown) erected at both ends of the direction 120, side structures 20 and 20, and a roof structure 10 placed on the upper ends of the end structures 30 and 30. Side beams 41, 41 that extend in the longitudinal direction 120 and are connected to the side structures 20, 20 are joined to both ends in the width direction 110 of the underframe 40, and both ends in the longitudinal direction 120 of the underframe 40 are joined. The end beams 42, 42 that extend in the width direction 110 and are coupled to the end structures 30, 30 are joined to the part.

  Both end portions of the side beams 41 and 41 are joined to end portions of the end beams 42 and 42. The side structures 20 and 20 have window openings 21, 21, 21, 21, 21, 21 (only one shown) for passengers to see the scenery outside the vehicle and daylight, and an entrance opening for passengers to get on and off. 22, 22, 22, 22 (only one shown). The wife structures 30 and 30 are provided with through-passage openings 31 and 31 (only one is shown) for passengers to move to the front and rear vehicles.

  The roof structure 10, the side structure 20, and the underframe 40 are arranged with a plurality of hollow extruded profiles made of aluminum alloy along the longitudinal direction 120, and the ends of adjacent hollow extruded profiles in the width direction 110 are joined to each other. It is constituted by. However, the end portion in the longitudinal direction 120 of the frame 40 may be configured by joining a plate-like extruded shape member made of an aluminum alloy according to the space on the lower surface of the frame 40.

The wife structure 30 is configured by joining a plate-like extruded shape member made of an aluminum alloy and a beam-like extruded shape member.
The side beams 41 and end beams 42 are hollow extruded shapes made of aluminum alloy. The side beam 41 and the side structure 20, the side structure 20 and the roof structure 10, the end beam 42 and the end structure 30, the end structure 30 and the side structure 20, and the connection between the end structure 30 and the roof structure 10 are welding, friction stir welding, or the like. Joining or mechanical fastening means such as bolts or rivets is used.

Hereinafter, a detailed configuration of the end stand frame will be described. Since the configuration of the end stand frame is the same before and after the longitudinal direction 120, one configuration will be described.
In the end frame, near the center in the width direction 110, the middle beams 43 and 43 are joined to the lower surface of the frame 40 in a manner parallel to the side beams 41 and 41. In the end frame, the central side beam 44 as the first horizontal beam and the end side beam 45 as the second horizontal beam are parallel to the end beam 42 near the center and the end in the longitudinal direction 120. In an aspect, it is joined to the lower surface of the underframe 40. Both end portions of the middle beams 43 and 43 are joined to the side surfaces of the end beam 42 and the central cross beam 44.

  Both ends of the central cross beam 44 are joined to the side surfaces of the side beams 41 and 41. The ends of the end horizontal beams 45 divided by the middle beams 43 and 43 are joined to the side beams 41 and 41 or the side surfaces of the middle beams 43 and 43. Between the end beam 42 and the end cross beam 45, a connector receiver 46 for connecting a connector (not shown) for connecting the vehicle structure 1 and the front and rear vehicle structures is provided and joined to the intermediate beams 43 and 43. Is done.

  Between the central cross beam 44 and the end horizontal beam 45, a central pillow beam 47 is provided as a first pillow beam near the central portion in the width direction 110, and the second pillow beam near both ends in the width direction 110. As the pillow beams, end pillow beams 48 and 48 are provided. The central pillow beam 47 is coupled to the side surfaces of the middle beams 43, 43, and includes a center pin receiver 49 for coupling a center pin (not shown) of the carriage to the lower surface.

  The end pillow beams 48, 48 are joined to the side beams 41, 41 and the side surfaces of the middle beams 43, 43 and the lower surface of the underframe 40, and an air spring for connecting a bogie air spring (not shown) to the lower surface. 50 and 50 are provided. When applied to a vehicle structure for a monorail vehicle, the range surrounded by the middle beams 43, 43, the central cross beam 44, the end horizontal beam 45, and the central pillow beam 47 becomes wheel chambers 51, 51 into which wheels are inserted. A box-like member (not shown) protruding above the frame 40 is joined to the middle beams 43, 43, the central side beam 44, and the end side beam 45 by bonding or mechanical fastening means. In order to prevent interference with the wheels and to secure a contact area with the air spring, the length of the central pillow beam 47 in the longitudinal direction 120 is smaller than the length of the end pillow beam 48 in the longitudinal direction 120.

  FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1 when the internal structure of the central pillow beam 47 in the vehicle structure 1 is viewed from the width direction 110. The central pillow beam 47 is composed of one hollow extruded member made of an aluminum alloy including an upper plate 61, a lower plate 62, an oblique rib 63, and a vertical rib 64, and a flat plate 65. The central pillow beam 47 is arranged in such a manner that the extrusion direction of the hollow extruded profile coincides with the width direction 110 and the oblique ribs 63 and the longitudinal ribs 64 extend in this direction, and the upper surface plate 61, the lower surface plate 62, and the longitudinal ribs 64. Are joined to the side surfaces of the middle beam 43 (see FIG. 1) at both ends in the width direction 110 of FIG. A thick plate 65 for supporting the central pin of the carriage with high rigidity is joined to the lower surface of the lower surface plate 62 at a joint portion 66. A central pin insertion port 67 for inserting a central pin is provided at the center of the central pillow beam 47, and a bolt for coupling the central pin to the lower surface of the thick plate 65 (see FIG. A screw seat insertion port 69 is provided for inserting a screw seat 68 that stops (not shown).

  FIG. 3 is a cross-sectional view taken along the line B-B in FIG. 1 when the internal structure of the end pillow 48 in the vehicle structure 1 is viewed from the longitudinal direction 120. The end pillows 48 are formed of two aluminum alloys made of a hollow extruded profile whose longitudinal direction 120 coincides with the longitudinal direction 120 and which is composed of horizontal upper and lower plates 71 and 72 and oblique ribs 73 extending in the extrusion direction. It is constituted by a hollow extruded shape member and a flat closing plate 74. The end portion closer to the center portion in the width direction 110 of the end pillow beam 48 in the upper surface plate 71 is wider than the end portion closer to the center portion in the width direction 110 of the end pillow beam 48 in the lower surface plate 72. It protrudes closer to the center of 110. The end pillow beams 48 are inverted in the height direction 100, and the end portions closer to the center of the width direction 110 of the end pillow beams 48 in the upper surface plate 71 are installed from the closing plate 74 side in a state where the closing plate 74 is not installed. After joining at the joining portion 75, a closing plate 74 is installed between the two hollow extruded profiles, and the end portion near the center of the width direction 110 of the end pillow beam 48 in the lower surface plate 72 and the width direction in the closing plate 74. The ends of 110 are joined at the joint 76.

  The surface of the joint 76 that contacts the air spring is finished to be smooth together with the surface of the lower plate 72. As shown in FIG. 1, the end pillow beams 48 are joined to the side surfaces of the side beams 41 and the middle beams 43 at both ends of the upper surface plate 71 and the lower surface plate 72 in the width direction 110. In the center of the end pillow beam 48, an intake seat mounting surface 77 for mounting an intake seat of an air spring and an intake seat insertion port 78 for inserting the intake seat are provided.

  FIG. 4 is a cross-sectional view taken along the line CC in FIG. 1 when the internal structure of the intermediate beam 43 in the vehicle structure 1 is viewed from the longitudinal direction 120. The intermediate beam 43 is made of an extruded shape made of an aluminum alloy including an upper horizontal rib 81, a lower horizontal rib 82, a vertical rib 83, and a box receiver 84. The central pillow beam 47 (see FIG. 1) is joined to the side surface (right side in FIG. 4) closer to the central portion in the width direction 110 of the vertical rib 83. The end pillow beam 48 (see FIG. 1) is joined to the end portion of the upper horizontal rib 81 in the width direction 110 and the side surface of the vertical rib 83 in the width direction 110 (left side in FIG. 4). The position of the upper horizontal rib 81 in the height direction 100 is the position of the upper surface plate 61 of the central pillow beam 47 shown in FIG. 2 and the position of the upper surface plate 71 of the end pillow beam 48 shown in FIG. It is equivalent.

4, the position of the lower horizontal rib 82 in the height direction 100 is the height of the lower surface plate 62 of the central pillow beam 47 shown in FIG. 2 and the lower surface plate 72 of the end pillow beam 48 shown in FIG. It is equivalent to the position in the vertical direction 100.
That is, the lower horizontal rib 82 is notched in the range where the end pillow beams 48 are joined. A box receiver 84 that protrudes above the upper horizontal rib 81 is provided on an extension line of the vertical rib 83 in the height direction 100. A box-like member that protrudes above the underframe 40 constituting the wheel chamber 51 is coupled to the box receiver 84.

FIG. 5 is a cross-sectional view taken along the line DD in FIG. 1 as viewed from the width direction 110 of the internal structure of the central cross beam 44 in the vehicle structure 1. The central cross beam 44 is formed of an extruded shape made of an aluminum alloy including an upper horizontal rib 91, a lower horizontal rib 92, a vertical rib 93, and a box receiver 94. The end cross beam 45 shown in FIG. 1 has the same configuration.
Further, in FIG. 5, the middle beam 43 of FIG. 4 is joined to the side surface (right side of FIG. 5) near the end of the longitudinal rib 93 in the longitudinal direction 120. The position in the height direction 100 of the upper horizontal rib 91 is equivalent to the position in the height direction 100 of the upper horizontal rib 81 of the middle beam 43 shown in FIG. The position of the lower horizontal rib 92 in the height direction 100 is equivalent to the position of the lower surface plate 82 of the middle beam 43 shown in FIG. 4 in the height direction 100. A box receiver 94 that protrudes above the upper horizontal rib 91 is provided on the extension line of the vertical rib 93 in the height direction 100. A box-like member that protrudes above the underframe 40 constituting the wheel chamber 51 is coupled to the box receiver 94.

  In such a configuration, wiring and piping can be passed in the longitudinal direction 120 using a wide triangular space extending in the longitudinal direction 120 within the end pillow beam 48, so that there is no need to install a through pipe. Modular wiring and piping can be easily passed, reducing the number of manufacturing steps for the car body.

  Further, as shown in FIG. 2, the oblique rib 63 in the central pillow beam 47 extends in the width direction 110, and as shown in FIG. 3, the oblique rib 73 in the end pillow beam 48 extends in the longitudinal direction 120. By extending, it effectively bears the shear load acting from the carriage via the air spring. Moreover, the central pillow beam 47 to which the load from the carriage directly acts is joined to the rigid middle beam 43 and the thick plate 65 is joined to the lower surface, so that the central portion with a small dimension is used. Sufficient strength can be ensured also by a combination of the end pillow beam 48 in which only the pillow beam 47, the upper surface plate 71, and the lower surface plate 72 are joined to the side beam 41 and the middle beam 43. With this configuration, even if the dimension in the longitudinal direction 120 of the central pillow beam 47 is smaller than the dimension in the longitudinal direction 120 of the end side beam 48 so as not to interfere with the wheel, the required strength can be obtained. In addition, since the end pillow beam 48 can be joined by work from one side (the lower surface plate 72 side), it is possible to further reduce the number of manufacturing steps of the vehicle body.

  Further, the end frame (the lower surface near the end of the longitudinal direction 120 of the frame 40) is composed of the side beam 41, the end beam 42, and the central side beam 44 at the outer edge, and one side beam 41. The end pillow beam 48, the middle beam 43, the central pillow beam 47, the middle beam 43, and the end pillow beam 48 are joined together in order along the width direction 110 from the other side beam 41 to the other side beam 41. Constitutes a pillow beam. Moreover, both ends of the longitudinal direction 120 of the middle beam 43 are joined to the end beam 42 and the central side beam 44, respectively, so that the side beam 41, the end beam 42, the middle beam 43, the central side beam 44, and the end side beam 44 are joined. 45, the connector receiver 46, the central pillow beam 47, and the end pillow beam 48 constitute an integrated structure that is firmly connected by bonding. For this reason, the load which acts from a trolley | bogie or a coupler can be borne by the whole end stand frame, and the weight reduction of an end stand frame is also attained. Further, the middle beam 43, the center side beam 44, and the end side beam 45 constituting the wheel chamber 51 are box receivers 84 (see FIG. 4) and 94 (FIG. 5) for connecting box-like members protruding above the frame 40. As a result, it is not necessary to provide a separate box holder, and it is possible to further reduce the number of manufacturing steps of the vehicle body.

  The technical scope of the present invention is determined based on the description of each claim of the claims or the description of the means for solving the problems, but also extends to a range easily replaceable by those skilled in the art. It is.

DESCRIPTION OF SYMBOLS 1 ... Vehicle structure 10 ... Roof structure 20 ... Side structure 21 ... Window opening 22 ... Entrance / exit opening 30 ... Wife structure 31 ... Through-passage opening 40 ... Underframe 41 ... Side beam 42 ... End beam 43 ... Medium beam 44 ... Central beam 45 ... End beam 46 ... Connector receiver 47 ... Center pillow beam 48 ... End pillows 49 ... Center pin holder 50 ... Air spring holder 51 ... Wheel chamber 61 ... Upper plate 62 ... Lower plate 63 ... Diagonal rib 64 ... Vertical rib 65 .... Thick plate 66 ... Joint 67 ... Center pin insertion port 68 ... Screw seat 69 ... Screw seat insertion port 71 ... Top plate 72 ... Bottom plate 73 ... Diagonal rib 74: Closing plates 75, 76 ... Joint 77 ... Intake seat mounting surface 78 ... Intake seat insertion port 81 ... Upper horizontal rib 82 ... Lower horizontal rib 83 ... Vertical ribs 84 ... Box receiver 91 ... Upper horizontal rib 92 ... Lower horizontal rib 93 ... Vertical rib 94 ... Box receiver 100 .. Height direction of vehicle structure 1 110 ..Width direction 120 of the vehicle structure 1 ..Longitudinal direction of the vehicle structure 1

Claims (10)

A vehicle structure having a roof structure, a side structure, and a frame, and having a pillow beam for connecting a traveling device to the lower surface of the frame,
The pillow beam is positioned at the widthwise center of the underframe and has a first pin that includes a center pin coupled to the travel device, and at the end of the underframe in the width direction of the travel device. Consisting of a second pillow beam against the air spring,
The first pillow beam and the second pillow beam are configured by a hollow extruded shape formed by hollow extrusion molding a plurality of facing face plates and a plurality of ribs connecting the face plates.
The extrusion direction of the hollow extruded profile constituting the first pillow beam is along the width direction of the underframe, and the extrusion direction of the hollow extrusion profile constituting the second pillow beam is the underframe. Along the longitudinal direction of the
A vehicle structure characterized by. The vehicle structure according to claim 1,
At least one of the ribs is inclined from a normal direction of the face plate;
A vehicle structure characterized by. The vehicle structure according to claim 1,
The longitudinal length of the underframe in the first pillow beam is smaller than the longitudinal length of the underframe in the second pillow beam;
A vehicle structure characterized by. The vehicle structure according to claim 1,
The first pillow beam is composed of one hollow extruded shape and a flat plate-like thick plate joined to the lower surface thereof,
A vehicle structure characterized by. The vehicle structure according to claim 1,
The second pillow beam is composed of two hollow extruded profiles and a flat plate-shaped closing plate joined between the two hollow extruded profiles,
The width direction center part side edge part of the said 2nd pillow beam in one said face plate which comprises the said hollow extruded profile is the said 2nd pillow beam in the other said face plate which comprises the said hollow extruded profile. Projecting closer to the center in the width direction of the second pillow beam
The end portions of the one face plate near the center in the width direction of the second pillow beam are joined together, and the width direction center side end portion of the second pillow beam in the other face plate is between the other face plates. Being joined via the closing plate located,
A vehicle structure characterized by. The vehicle structure according to claim 1,
The width direction both ends of the underframe in the first pillow beam, and the width direction center portion side end portion of the underframe in the second pillow beam are the first pillow beam and the second pillow beam. And is joined to a middle beam extending in the longitudinal direction of the underframe,
The width direction end side end portions of the underframe in the second pillow beam are joined to side beams extending in the longitudinal direction of the underframe located at both ends in the width direction of the underframe,
A vehicle structure characterized by. In the vehicle structure according to claim 6,
Both end portions in the longitudinal direction of the side beams are joined to end beams extending in the width direction of the underframe located at both ends in the longitudinal direction of the underframe,
Both ends in the longitudinal direction of the intermediate beam are joined to the end beam and a first lateral beam extending closer to the longitudinal direction of the frame than the pillow beam and extending in the width direction of the frame,
Both longitudinal ends of the first transverse beam are joined to the side beam,
The end of the second transverse beam located between the end beam and the pillow beam and extending in the width direction of the underframe is joined to the side beam and the middle beam,
A coupler receiver located between the end beam and the second transverse beam and supporting a load acting from a coupler is joined to the middle beam;
A vehicle structure characterized by. In the vehicle structure according to claim 7,
The intermediate beam, the first horizontal beam, and the second horizontal beam are made of an extruded profile having two horizontally extending ribs having a certain distance in the height direction of the underframe,
The position of the frame in the height direction of the ribs constituting the middle beam, the first transverse beam, and the second transverse beam is the two pieces constituting the first pillow beam and the second pillow beam. Is equivalent to the position of the base frame in the height direction of the face plate,
A vehicle structure characterized by. In the vehicle structure according to claim 7,
The range surrounded by the first pillow beam, the middle beam, the first horizontal beam, and the second horizontal beam is a wheel chamber into which the wheel of the traveling device is inserted,
A vehicle structure characterized by. In the vehicle structure according to claim 9,
The intermediate beam, the first horizontal beam, and the second horizontal beam are formed of an extruded shape member that protrudes above the underframe and extrudes a box support that joins a box-shaped member that constitutes the wheel chamber. Being
A vehicle structure characterized by.

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