JP4266024B2 - Rail vehicle, manufacturing method thereof, and hollow shape material used therefor - Google Patents

Rail vehicle, manufacturing method thereof, and hollow shape material used therefor Download PDF

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JP4266024B2
JP4266024B2 JP2006086987A JP2006086987A JP4266024B2 JP 4266024 B2 JP4266024 B2 JP 4266024B2 JP 2006086987 A JP2006086987 A JP 2006086987A JP 2006086987 A JP2006086987 A JP 2006086987A JP 4266024 B2 JP4266024 B2 JP 4266024B2
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vehicle
rib
roof structure
low roof
plate
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JP2007261345A (en
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英之 中村
敏彦 用田
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Hitachi Ltd
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Hitachi Ltd
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Priority to JP2006086987A priority Critical patent/JP4266024B2/en
Priority to AT06253529T priority patent/ATE523405T1/en
Priority to EP06253529A priority patent/EP1839989B1/en
Priority to KR1020060063564A priority patent/KR100792721B1/en
Priority to US11/481,864 priority patent/US20070227396A1/en
Priority to CNB2006101055134A priority patent/CN100455465C/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/041—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures with bodies characterised by use of light metal, e.g. aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/043—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures connections between superstructure sub-units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/08—Sides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/12—Roofs

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

A rail vehicle capable of preventing reduction in strength and noise occurrence in a connecting portion of a low roof construction body to a roof construction or a side construction body, and facilitating mounting of the low roof construction body to the roof construction body or the side construction body, its manufacturing method and a hollow shape member used for the same are provided. In joining a hollow shape member (120) constructing a side construction body and a hollow shape member (210) constructing a low roof construction body (20), an uppermost portion above a spot to be a joint portion of the hollow shape member (120) to the low roof construction body (20) is cut, and a first protruded rib (124) and a second protruded rib (125) are left at an upper end portion (128) of the hollow shape member (120) toward the low roof construction body (20). Next, the low roof construction body (20) is lowered from above the side construction body (12), the first engaging rib (214) and the second engaging rib (215) of the low roof construction body (20) are mounted on the first protruded rib (124) and the second protruded rib (125), and butted portions (220 and 221) are welded from a vehicle outer side or a vehicle inner side. Occurrence of a level difference of the welding spot which becomes a noise generation source can be prevented, and manufacture of the vehicle body can be facilitated.

Description

本発明は、鉄道車両やモノレール軌道を走行する車両、即ち、軌条車両、その製作方法、及びそれに用いる中空形材に関する。   The present invention relates to a railway vehicle or a vehicle that travels on a monorail track, that is, a rail vehicle, a method for manufacturing the rail vehicle, and a hollow shape member used therefor.

軌条車両は、一般に、車体の上面を構成する屋根構体と、側面を構成する側構体と、下面を構成する台枠と、端面を構成する妻構体とを備えた軌条車両構体から構成されている。近年では、軽量化や製作性向上を主な目的として、軌条車両構体を構成する屋根構体、側構体及び台枠の各構体は、二枚の面板と該面板同士を接続する複数の接続リブから成るアルミニウム合金製の中空押出形材を接合して形成されている。また、妻構体には、アルミニウム合金製のリブ付き押出形材が使用されるようになっている。こうした各構体の構造は、例えば、特許文献１に示されている。
特許第２６０４２２６号公報 A rail vehicle is generally composed of a rail vehicle structure including a roof structure that forms the upper surface of the vehicle body, a side structure that forms the side surface, a base frame that forms the lower surface, and a wife structure that forms the end surface. . In recent years, with the main purpose of reducing weight and improving manufacturability, each structure of the roof structure, side structure and underframe constituting the rail vehicle structure is composed of two face plates and a plurality of connecting ribs connecting the face plates. It is formed by joining hollow extruded profiles made of aluminum alloy. In addition, an extruded shape with ribs made of aluminum alloy is used for the wife structure. Such a structure of each structure is shown in Patent Document 1, for example.
Japanese Patent No. 2604226

軌条車両においては、動力や快適性の確保を目的に、屋根構体の上面に、集電装置（パンタグラフ）や空調装置（エアコン）が設置される。このような装置のための屋根構体の設置箇所は、パンタグラフの集電部分を除き、装置と架線との接触を避けるため、車両構体の他の部位（以下、「一般構体」と呼ぶ。）と比較して低い屋根構造（以下、「低屋根構体」と呼ぶ。）を有している。   In a rail vehicle, a current collector (pantograph) and an air conditioner (air conditioner) are installed on the upper surface of a roof structure for the purpose of ensuring power and comfort. The installation location of the roof structure for such a device is the other part of the vehicle structure (hereinafter referred to as “general structure”) in order to avoid contact between the device and the overhead line, except for the current collecting portion of the pantograph. It has a relatively low roof structure (hereinafter referred to as “low roof structure”).

通常、低屋根構体は、一般構体とは別に製作され、屋根構体又は側構体を構成する中空押出形材を切除することにより上面に大きな開口を設けた一般構体に対して、当該開口部に嵌め込む態様で接合される。低屋根構体は、要求される強度や質量などの条件に応じて、板材や中空押出形材から構成される。ここでは、理解を容易にするため、板材から構成される低屋根構体の一般構体への接合方法について説明する。   Usually, the low roof structure is manufactured separately from the general structure, and is fitted into the opening with respect to the general structure having a large opening on the upper surface by cutting out the hollow extruded shape member constituting the roof structure or the side structure. Are joined together. A low roof structure is comprised from a board | plate material and a hollow extruded shape according to conditions, such as a required intensity | strength and mass. Here, in order to facilitate understanding, a method of joining a low roof structure made of a plate material to a general structure will be described.

車体の製作簡易化を目的として、低屋根構体を上方から取り付ける場合を想定する。この場合、低屋根構体を構成する板材の端部は、屋根構体又は側構体を構成する中空押出形材の車外側の面板の表面に隅肉溶接される。このため、溶接部に段差を生じ、車体の強度低下の原因になる、あるいは段差部からの騒音発生を引き起こすことがある。   Assume that a low roof structure is attached from above for the purpose of simplifying the production of the car body. In this case, the edge part of the board | plate material which comprises a low roof structure is fillet-welded to the surface of the face plate of the vehicle outer side of the hollow extruded section which comprises a roof structure or a side structure. For this reason, a level | step difference will be produced in a welding part and it may cause the strength reduction of a vehicle body, or may cause the noise generation | occurrence | production from a level | step-difference part.

一方、これらの問題を避けるため、低屋根構体を下方から取り付ける場合を想定する。この場合、低屋根構体を構成する板材の端部に屋根構体又は側構体を構成する中空押出形材の車外側の面板の板厚と同等の高さの段差を設けることにより、一般構体と低屋根構体を突き合わせ接合が可能となる。しかし、低屋根構体の下方からの取り付けには、低屋根構体を一般構体の内側から取り付けることが強いられ、車体の製作を困難にする。   On the other hand, in order to avoid these problems, a case where a low roof structure is attached from below is assumed. In this case, by providing a step having a height equivalent to the thickness of the face plate on the vehicle exterior side of the hollow extruded profile constituting the roof structure or the side structure at the end of the plate material constituting the low roof structure, the low structure is reduced. The roof structure can be butt-joined. However, it is compelling to attach the low roof structure from the inside of the general structure to attach the low roof structure from below, making it difficult to manufacture the vehicle body.

本発明の目的は、低屋根構体の屋根構体又は側構体への結合部における強度低下や騒音発生を防止し、かつ、低屋根構体の屋根構体又は側構体への取り付けを容易にすることである。   An object of the present invention is to prevent a decrease in strength and noise generation at a joint portion of a low roof structure to a roof structure or a side structure, and to facilitate attachment of the low roof structure to the roof structure or the side structure. .

上記目的を達成するため、この発明による軌条車両の製作方法は、車体の上面を構成する屋根構体と前記車体の側面を構成する側構体とが二枚の面板と該面板同士を結合する複数の接続リブから成る中空形材により構成される軌条車両構体の製作方法であり、車外側面板と車内側面板と両面板を接続する前記接続リブとから成り前記側構体を構成する中空形材のうち、前記車両に搭載すべき屋根上機器に対応した上端部を前記屋根構体と共に切除することにより、現れた切除部において載置部を露出させ、前記屋根上機器を搭載する低屋根構体を上方から下降させて、その車幅方向両端部に形成されている係止部を前記側構体の前記切除部に現れた前記載置部に載せることにより、前記低屋根構体を前記側構体の前記上端部に接合させ、更に、前記側構体を構成する第１中空形材の車外側面板と車内側面板とをそれぞれ前記低屋根構体を構成する第２中空形材の車外側面板と車内側面板とに溶接すること、を特徴としている。 In order to achieve the above object, a rail vehicle manufacturing method according to the present invention includes a roof structure that constitutes an upper surface of a vehicle body and a side structure that constitutes a side surface of the vehicle body, wherein a plurality of face plates are joined to each other. A method of manufacturing a rail vehicle structure constituted by a hollow shape member comprising a connecting rib, comprising: a hollow outer shape member comprising the connection rib for connecting a vehicle outer side plate, a vehicle inner side plate and a double-sided plate, and constituting the side structure. The upper end portion corresponding to the roof equipment to be mounted on the vehicle is cut out together with the roof structure to expose the placement portion in the cut portion that appears, and the low roof structure on which the roof equipment is mounted is viewed from above. Lowering the lower roof structure to the upper end portion of the side structure by lowering and placing the locking portions formed at both ends in the vehicle width direction on the mounting portion appearing in the cut portion of the side structure And then join Characterized in that welding the first exterior side surface plate of the hollow shape member and the vehicle inner face plate constituting the side structure to each of the second outer face of the hollow profile plate constituting the low roof construction body and the interior side plates It is said.

また、この発明による中空形材は、２枚の面板と、該両面板を接続する複数の接続リブと、から成る中空形材であり、一方の前記面板と前記接続リブとの接合個所から前記２枚の面板と前記複数の接続リブとで囲まれた該中空形材の中空部に向けて突出する第１突出リブが形成されており、他方の前記面板と前記接続リブとの接合個所から外方に向けて突出する第２突出リブが形成されていること、を特徴としている。 Further, the hollow shape members according to the present invention, the two face plates, and a plurality of connecting ribs connecting the double-sided plate, a hollow profile consisting of, from said junction point between the connecting rib with one of the face plate A first projecting rib projecting toward a hollow portion of the hollow shape member surrounded by two face plates and the plurality of connection ribs is formed, and from a joint portion between the other face plate and the connection rib A second projecting rib projecting outward is formed.

この発明である軌条車両の製作方法によれば、軌条車両の軌条車両構体は、車体の上面を構成する屋根構体と前記車体の側面を構成する側構体とが二枚の面板と該面板同士を結合する複数の接続リブから成る中空形材によって構成されている。屋根上機器を搭載する低屋根構体を上方から下降させることで、低屋根構体の車幅方向両端部に形成される係止部が側構体の上端部に形成されている載置部に載せられ、これにより低屋根構体は側構体上に載置される。側構体と低屋根構体とは、係止部が載置部に載せられた接合部において溶接される。したがって、両者の取り付けに格別の複雑な作業を要せず、得られた接合状態において車外側及び車内側のいずれも車外側面板と車内側面板に対して表面側から溶接することで、側構体と低屋根構体とを固定することができる。 According to manufacturing method of the railway vehicle both a the present invention, railway vehicle structure of the railway vehicle comprises a side structure constituting the roof structure constituting the upper surface of the body side of the vehicle body are two face plates and said surface plates are It is comprised by the hollow shape which consists of a some connection rib which couple | bonds. By lowering the low roof construction body loaded with the roof on the device from above, placed on the placing portion the engaging portion formed in the vehicle width direction end portions of the low roof construction body is formed at an end portion on the side structure Thus, the low roof structure is placed on the side structure. The side structure and the low roof structure are welded at the joint where the locking portion is placed on the placement portion. Therefore, no special complicated work is required for the attachment of both, and in the obtained joined state, both the vehicle outer side and the vehicle inner side are welded from the surface side to the vehicle outer side plate and the vehicle inner side plate, so that the side structure And the low roof structure can be fixed.

また、この発明による中空形材によれば、側構体として適用した場合には、側構体の上端部となる個所を突出リブが形成されている個所に合わせておき、その個所で中空形材を切除することにより、一方の面板と接続リブとの接合個所から２枚の面板と複数の接続リブとで囲まれた中空形材の中空部に向けて突出していた第１突出リブを表に露出させることができる。第１突出リブと、他方の面板と接続リブとの接合個所から外方に向けて突出する第２突出リブとに対して低屋根構体の各係止部を載置することによって、低屋根構体を側構体の上端部に接合させることができる。 Further, according to the hollow profile according to the present invention, when applied as a side structure, the location which becomes the upper end portion of the side structure is matched with the location where the protruding rib is formed, and the hollow profile at the location. By cutting, the first projecting rib that protrudes from the joint between one face plate and the connecting rib toward the hollow portion of the hollow member surrounded by the two face plates and the plurality of connecting ribs is exposed to the surface. Can be made. By mounting each locking portion of the low roof structure on the first protruding rib and the second protruding rib protruding outward from the joint between the other face plate and the connecting rib, the low roof structure Can be joined to the upper end of the side structure.

本発明の一実施例を図１〜図５により説明する。図１はこの発明による軌条車両の一実施例を示す斜視図である。図１に示すように、軌条車両構体１は、一般構体１０及び機器を搭載するための低屋根構体２０から成っている。一般構体１０は、上面を構成する屋根構体１１、側面を構成する二枚の側構体１２，１２、下面を構成する台枠１３、端面を構成する二枚の妻構体１４，１４から成る。屋根構体１１、側構体１２，１２、台枠１３、妻構体１４，１４及び低屋根構体２０は、それぞれ複数の押出形材を接合して構成されている。   An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view showing an embodiment of a rail vehicle according to the present invention. As shown in FIG. 1, the rail vehicle structure 1 includes a general structure 10 and a low roof structure 20 for mounting equipment. The general structure 10 includes a roof structure 11 that constitutes an upper surface, two side structures 12 and 12 that constitute side surfaces, a base frame 13 that constitutes a lower surface, and two wife structures 14 and 14 that constitute end surfaces. The roof structure 11, the side structures 12, 12, the underframe 13, the end structures 14, 14, and the low roof structure 20 are each formed by joining a plurality of extruded shapes.

屋根構体１１、側構体１２，１２、台枠１３及び低屋根構体２０を構成する押出形材は、アルミニウム合金製の中空形材であり、押出方向は軌条車両構体１の長手方向に一致されている。長手方向は、車両の前後方向であり、車両の走行方向である。妻構体１４，１４を構成する押出形材は、アルミニウム合金製のリブ付き形材であり、押出方向を軌条車両構体１の上下方向にしている。   The extruded members constituting the roof structure 11, the side structures 12 and 12, the underframe 13, and the low roof structure 20 are aluminum alloy hollow shapes, and the extrusion direction coincides with the longitudinal direction of the rail vehicle structure 1. Yes. The longitudinal direction is the front-rear direction of the vehicle and is the traveling direction of the vehicle. The extruded shape members constituting the end structures 14 and 14 are aluminum alloy ribbed shapes, and the extrusion direction is the vertical direction of the rail vehicle structure 1.

図２は図１に示す軌条車両のＩＩ−ＩＩ断面の一部を示す図である。図２に示すように、側構体１２の最上部１２９は溶接部３０にて屋根構体１１と溶接されている。側構体１２の最上部１２９は、屋根構体１１に対して滑らかに連続して接続するように平坦となっている。屋根構体１１と側構体１２とは、車外側及び車内側の面板同士が突き合せられ、その突き合せ部において、屋根構体１１と側構体１２との面板同士の表面が面一になるように、屋根構体１１の上下（車両の内外）の面板と側構体１２の車両内外の面板（車外側面板１２１と車内側面板１２２）とが溶接され、溶接部３０として接合されている。溶接部３０は溶接で形成されるとしたが、他の接合手段、例えば、摩擦攪拌接合による接合であってもよい。図２において、側構体１２の最上部１２９以外の構造は、後述する低屋根構体２０との接合のために予め備わるものであり、屋根構体１１との接合には用いられない。 FIG. 2 is a diagram showing a part of a section II-II of the rail vehicle shown in FIG. As shown in FIG. 2, the uppermost portion 129 of the side structure 12 is welded to the roof structure 11 at the welded portion 30. The uppermost part 129 of the side structure 12 is flat so as to connect smoothly and continuously to the roof structure 11. The roof structure 11 and the side structure 12 are face-to-face and face-to-face face-to-face, and the surfaces of the face structure of the roof structure 11 and the side structure 12 are flush with each other at the abutting portion. The top and bottom (inside and outside of the vehicle) face plates of the roof structure 11 and the inside and outside face plates of the side structure 12 (the vehicle side surface plate 121 and the vehicle side surface plate 122) are welded and joined as a welded portion 30. Although the welded portion 30 is formed by welding, it may be joined by other joining means, for example, friction stir welding. In FIG. 2, the structure other than the uppermost portion 129 of the side structure 12 is provided in advance for joining with the low roof structure 20 described later, and is not used for joining with the roof structure 11.

屋根構体１１、側構体１２は、それぞれ複数の中空押し出し形材を溶接、又は摩擦攪拌接合によって一つに接合されている。   The roof structure 11 and the side structure 12 are joined together by welding or friction stir welding of a plurality of hollow extruded shapes.

次に、側構体１２と低屋根構体２０との接合について説明する。図３は図１に示す軌条車両のＩＩＩ−ＩＩＩ断面の一部を示す図である。図４は図３のＩＶで示す部分の拡大図である。図３に示すように、低屋根構体２０は、複数の中空押し出し形材を溶接、又は摩擦攪拌接合によって一つに接合されている。 Next, the joining of the side structure 12 and the low roof structure 20 will be described. FIG. 3 is a view showing a part of a section taken along the line III-III of the rail vehicle shown in FIG. FIG. 4 is an enlarged view of a portion indicated by IV in FIG. As shown in FIG. 3, the low roof structure 20 is joined together by welding a plurality of hollow extruded shape members, or friction stir welding.

低屋根構体２０は、平坦部２１と、その幅方向両側で、側構体１２に接合するために立ち上がった立ち上がり部２２と、立ち上がり部２２から側構体１２との接合部に向けて平に突出した突出部２３とから成る。突出部２３は、車幅方向端部となっており、側構体１２の上端部１２８に突き合わせ接合されている。   The low roof structure 20 protrudes flatly on the flat part 21, the rising part 22 that rises to join the side structure 12 on both sides in the width direction, and the joining part of the side structure 12 from the rising part 22. And a protrusion 23. The protruding portion 23 is an end portion in the vehicle width direction, and is butt-joined to the upper end portion 128 of the side structure 12.

側構体１２と低屋根構体２０との接合部を詳細に説明すると、図２との比較で理解できるように、側構体１２の押し出し形材を低屋根構体２０と接合すべき部分で切断して、それよりも上端側の最上部１２９が取り除かれる。切除によって上端部１２８に露出した個所に、低屋根構体２０の突出部２３が接合されて接合部となり、最終的には詳細を後述するように接合部が溶接によって結合される。   If the joint part of the side structure 12 and the low roof structure 20 is demonstrated in detail, the extrusion shape material of the side structure 12 will be cut | disconnected in the part which should be joined with the low roof structure 20, so that it can understand by comparison with FIG. The uppermost part 129 on the upper end side is removed. The projecting portion 23 of the low roof structure 20 is joined to the portion exposed to the upper end portion 128 by the excision to become a joined portion, and finally the joined portion is joined by welding as will be described in detail later.

図２〜図４に示すように、側構体１２を構成するために用意される中空形材１２０において、最上部１２９の切除前では、低屋根構体２０の突出部２３との接合予定個所に第１突出リブ１２４と第２突出リブ１２５が形成されている。第１突出リブ１２４は、車外側面板１２１と、車外側面板１２１及び車内側面板１２２を接続する接続リブ１２３との接合個所の近傍から、中空形材１２０内の中空部１２６に向けて突出して形成されている。第１突出リブ１２４の突出方向は、中空形材１２０を側構体１２として立設させた状態で水平方向となる方向である。接続リブ１２３は、中空形材１２０の中空部１２６内に形成されている。中空部１２６に向けて突出するとは、車体を構成するため側構体１２の最上部１２９を切除して表に露出させるとき、水平方向に突出することを言う。 As shown in FIG. 2 to FIG. 4, in the hollow shape member 120 prepared for constituting the side structure 12, the first portion 129 is cut before the portion to be joined with the projecting portion 23 of the low roof structure 20. A first protruding rib 124 and a second protruding rib 125 are formed. The first projecting rib 124, the exterior side surface plate 121, from the vicinity of the junction point where the connecting rib 123 for connecting the exterior side face plate 121 and the interior side plates 122, and projects toward the hollow portion 126 of the hollow shape member 120 Is formed. The protruding direction of the first protruding rib 124 is a direction that becomes a horizontal direction in a state where the hollow shape member 120 is erected as the side structure 12. The connection rib 123 is formed in the hollow portion 126 of the hollow shape member 120. Protruding toward the hollow portion 126 means projecting in the horizontal direction when the uppermost portion 129 of the side structure 12 is cut out and exposed to the front so as to constitute the vehicle body.

第２突出リブ１２５は、側構体１２の車内側面板１２２と接続リブ１２３との接合個所から車室内に向けて突出して形成されている。第２突出リブ１２５の突出方向も、第１突出リブ１２４の場合と同じ意味で水平方向である。第２突出リブ１２５が中空部１２６内ではなく車室内側に突出するのは、中空形材１２０の該部分が円弧状であることに因る。側構体１２の第１及び第２の突出リブ１２４，１２５は、屋根構体１１と接合する際には何らの役目も果たさない。第１及び第２の突出リブ１２４，１２５は、側構体１２を低屋根構体２０と接合させる際にのみ載置部として機能する。側構体１２に低屋根構体２０を接合させる場合には、側構体１２を構成する中空形材１２０の上端部１２８において、車外側面板１２１及び車内側面板１２２を、両突出リブ１２４，１２５のところで切削して除く。残りの中空形材１２０は、側構体１２として一体に接合されている。 The second projecting rib 125 is formed so as to project from the joint portion between the vehicle interior side surface plate 122 and the connection rib 123 of the side structure 12 toward the vehicle interior. The protruding direction of the second protruding rib 125 is also the horizontal direction in the same meaning as in the case of the first protruding rib 124. The second protruding rib 125 projects into the passenger compartment side rather than in the hollow portion 126 is due to the partial hollow shape member 120 is arc-shaped. The first and second protruding ribs 124 and 125 of the side structure 12 do not play any role when joined to the roof structure 11. The first and second protruding ribs 124 and 125 function as a mounting portion only when the side structure 12 is joined to the low roof structure 20. When the low roof structure 20 is joined to the side structure 12, the vehicle outer side surface plate 121 and the vehicle interior side surface plate 122 are placed at both protruding ribs 124 and 125 at the upper end portion 128 of the hollow shape member 120 constituting the side structure 12. Remove by cutting. The remaining hollow members 120 are integrally joined as the side structure 12.

次に、上端側の面板１２１，１２２を切削した中空形材１２０に、低屋根構体２０を接合する。この接合の際には、低屋根構体２０を構成する複数の中空形材は接合されて既に一体の中空形材２１０となっている。低屋根構体２０の突出部２３の車幅方向端部には、低屋根構体２０への接合状態で第１中空形材１２０の上端部１２８に向かって水平となる方向に突出する係止部が形成されている。係止部は、載置部である第１及び第２の突出リブ１２４，１２５に対応してそれぞれ形成された係止リブ２１４，２１５である。接合部は、車両内外側に隔置された２組の接合部として設けられている。即ち、係止リブ２１４と突出リブ１２４とは車両外側の組の接合部を構成しており、係止リブ２１５と突出リブ１２５とは車両内側の組の接合部を構成している。   Next, the low roof structure 20 is joined to the hollow shape member 120 obtained by cutting the face plates 121 and 122 on the upper end side. At the time of this joining, a plurality of hollow members constituting the low roof structure 20 are joined to form an integral hollow member 210. At the vehicle width direction end portion of the projecting portion 23 of the low roof structure 20, there is a locking portion that projects in a horizontal direction toward the upper end portion 128 of the first hollow shape member 120 in a joined state to the low roof structure 20. Is formed. The locking portions are locking ribs 214 and 215 respectively formed corresponding to the first and second protruding ribs 124 and 125 that are the mounting portions. The joint portions are provided as two sets of joint portions spaced on the inside and outside of the vehicle. That is, the locking ribs 214 and the protruding ribs 124 constitute a joint portion on the vehicle outer side, and the locking ribs 215 and the protruding ribs 125 constitute a joint portion on the inner side of the vehicle.

車両外側の組の接合部は、車両内側の組の接合部よりも車幅方向の外側に配置されている。即ち、第１突出リブ１２４は第２突出リブ１２５よりも車幅方向外側にあり、第１突出リブ１２４は第２係止リブ２１５よりも車幅方向外側にある。また、第１係止リブ２１４は、第２係止リブ２１５よりも車幅方向外側にある。このような配置により、低屋根構体２０を下降させる際に、車両内外側の組の接合部で干渉することはない。 The joint portion of the vehicle outer set is arranged on the outer side in the vehicle width direction than the joint portion of the vehicle inner set. That is, the first projecting rib 124 located in the vehicle width direction Kosoto side of the second projecting ribs 125, the first projecting rib 124 in the vehicle width direction outer side than the second engaging rib 215. The first engaging rib 214 is in the vehicle width direction Kosoto side of the second engaging rib 215. With such an arrangement, when the low roof structure 20 is lowered, there is no interference at the joint portion between the inside and outside of the vehicle.

低屋根構体２０を上方から下降させると、低屋根構体２０の第１係止リブ２１４と第２係止リブ２１５とは、それぞれ、側構体１２を構成する中空形材１２０の第１突出リブ１２４の上面と、第２突出リブ１２５の上面とに重ねて載置される。第１突出リブ１２４と第２係止リブ２１５とは、接続リブ１２３及び２１３とともに、接合部に形成される中空部１２７を定める。   When the low roof structure 20 is lowered from above, the first locking ribs 214 and the second locking ribs 215 of the low roof structure 20 are respectively the first protruding ribs 124 of the hollow shape member 120 constituting the side structure 12. And the upper surface of the second protruding rib 125 are stacked. The first protruding rib 124 and the second locking rib 215 define a hollow portion 127 formed in the joint portion together with the connecting ribs 123 and 213.

第１突出リブ１２４は、第１中空形材１２０の車外側面板１２１の表面から所定の深さだけ沈んだ位置において突出して形成されている。所定の深さは、具体的には、第１係止リブ２１４の厚さに相当した寸法である。したがって、第１突出リブ１２４は、第１中空形材１２０の車外側面板１２１の表面から、第１係止リブ２１４の厚さに相当する分だけ沈んだ位置から突出している。また、第２係止リブ２１５は、第２中空形材２１０の車内側表面から所定の高さだけ昇った位置において突出して形成されている。所定の高さは、具体的には、第２突出リブ１２５の厚さに相当した寸法である。したがって、第２係止リブ２１５は、第２中空形材２１０の車内側面板２１２の表面から、第２突出リブ１２５の厚さに相当する分だけ昇った位置において突出して形成されている。 The first projecting rib 124 is formed to project at a position submerged by a predetermined depth from the surface of the vehicle outer side surface plate 121 of the first hollow shape member 120. Specifically, the predetermined depth is a dimension corresponding to the thickness of the first locking rib 214. Accordingly, the first protruding rib 124 protrudes from the surface of the vehicle outer side face plate 121 of the first hollow shape member 120 from a position sinking by an amount corresponding to the thickness of the first locking rib 214. Further, the second locking rib 215 is formed so as to protrude at a position raised from the inner surface of the second hollow shape member 210 by a predetermined height. Specifically, the predetermined height is a dimension corresponding to the thickness of the second protruding rib 125. Therefore, the second engaging rib 215, from the surface of the inner face plate 212 of the second hollow shape member 210 is formed to protrude at positions Tsu only the amount corresponding to the thickness of the temperature of the second projecting rib 125 .

車両内外側の各組の接合部において上記寸法に設定することにより、接合部での車両内外での表面が滑らかとなり、段差の発生を回避することができる。低屋根構体２０を側構体１２の中空形材１２０に重ねたとき、車外側では、面板１２１、第１係止リブ２１４及び面板２１１の表面は段差が形成されず連続となる。また、車内側でも、面板１２２、第２突出リブ１２５及び面板２１２の表面は段差が形成されず連続となる。ここの説明において、このように段差を生じない連続面のことを同一平面という。   By setting the above dimensions at each set of joints on the inside and outside of the vehicle, the surface of the joint at the inside and outside of the vehicle becomes smooth, and generation of a step can be avoided. When the low roof structure 20 is overlapped with the hollow shape member 120 of the side structure 12, the surfaces of the face plate 121, the first locking ribs 214, and the face plate 211 are continuous with no step formed on the vehicle exterior side. Further, even on the inner side of the vehicle, the surface of the face plate 122, the second protruding rib 125, and the face plate 212 is continuous with no step formed. In this description, continuous surfaces that do not cause a step are referred to as the same plane.

車両内外側の各組の接合部において、重ねられた第１突出リブ１２４と第１係止リブ２１４、第２突出リブ１２５と第２係止リブ２１５との突き合わせ部を、溶接又は摩擦攪拌接合によって接合する。車両外側の組に生じる突き合わせ部２２０は、第１中空形材１２０の車外側面板１２１と接続リブ１２３との接続部分と、第２中空形材２１０側の第１係止リブ２１４の先端部分との間に形成される。また、車両内側の組に生じる突き合わせ部２２１は、第１中空形材１２０側の第２突出リブ１２５の先端部分と、第２中空形材２１０側の車内側面板２１２と接続リブ２１３との接続部分との間に形成される。 At each joint portion on the inner and outer sides of the vehicle, the butted portions of the first protruding rib 124 and the first locking rib 214 and the second protruding rib 125 and the second locking rib 215 that are overlapped are welded or friction stir bonded. Join by. The abutting portion 220 generated in the vehicle outer group includes a connection portion between the vehicle outer side face plate 121 of the first hollow shape member 120 and the connection rib 123, and a tip portion of the first locking rib 214 on the second hollow shape member 210 side. Formed between. In addition, the abutting portion 221 generated in the set on the vehicle inner side is a connection between the tip end portion of the second protruding rib 125 on the first hollow shape member 120 side, the vehicle interior side plate 212 on the second hollow shape member 210 side, and the connection rib 213. Formed between the parts.

車外側の突き合わせ部２２０の溶接は車外側から行うことができる。突き合わせ部２２０には開先がある。この開先は溶接ビード２２２で埋められる。溶接ビード２２２は面板２１１よりも若干上方に突出してもよい。車内側の突き合わせ部２２１の溶接は車内側から行うことができる。突き合わせ部２２１に存在する開先は溶接ビード２２３で埋められる。溶接ビード２２３は、面板２１２或いは第２突出リブ１２５から突出してもよい。   The welding of the abutting portion 220 on the outside of the vehicle can be performed from the outside of the vehicle. The butting portion 220 has a groove. This groove is filled with a weld bead 222. The weld bead 222 may protrude slightly above the face plate 211. The welding of the abutting portion 221 on the vehicle inner side can be performed from the vehicle inner side. A groove existing in the butt portion 221 is filled with a weld bead 223. The weld bead 223 may protrude from the face plate 212 or the second protruding rib 125.

第１突出リブ１２４及び第２係止リブ２１５は、それぞれ、突き合わせ部２２０、２２１における溶接の際の裏当てとなる。 The first protruding ribs 124 and the second locking ribs 215 serve as backings for welding at the butted portions 220 and 221, respectively.

突き合わせ部２２０，２２１の溶接については、突き合わせ部の開先が大きいときは、第１突出リブ１２４及び第２突出リブ１２５との隅肉溶接になってもよい。   The welding of the butted portions 220 and 221 may be fillet welded with the first projecting rib 124 and the second projecting rib 125 when the groove of the butted portion is large.

図４において、低屋根構体２０を構成する中空形材２１０の第１係止リブ２１４は、他の個所の面板２１１よりも厚肉である。第１係止リブ２１４は、突出部２３の車外側端部であるが、車外側面板２１１そのものではないので、リブといえる。第１係止リブ２１４は、面板２１１と面板２１２とを接続する接続リブ２１３とから突出している。 4, the first engaging rib 214 of the hollow shape member 210 constituting the low roof structure 20 is thicker than the face plate 211 of the other places. The first locking rib 214 is an end portion on the vehicle outer side of the protruding portion 23, but can be said to be a rib because it is not the vehicle outer surface plate 211 itself. The first locking rib 214 protrudes from the connection rib 213 that connects the face plate 211 and the face plate 212.

側構体１２を構成する中空形材１２０において、突出リブ１２４，１２５は接続リブ１２３と面板１２１，１２２との接続の交点の近傍から突出しているといえる。中空形材２１０において、係止リブ２１４，２１５も、面板２１１，２１２と接続リブ２１３との接続部の交点の近傍から突出しているといえる。   In the hollow shape member 120 constituting the side structure 12, it can be said that the protruding ribs 124 and 125 protrude from the vicinity of the intersection of the connection rib 123 and the face plates 121 and 122. In the hollow profile 210, it can be said that the locking ribs 214 and 215 also protrude from the vicinity of the intersection of the connecting portions of the face plates 211 and 212 and the connecting rib 213.

これによれば、上方から低屋根構体２０を下方に挿入すれば、低屋根構体２０は側構体１２で支えられるので、その取り付け作業を簡単に行うことができる。   According to this, if the low roof structure 20 is inserted downward from above, the low roof structure 20 is supported by the side structure 12, so that the attaching operation can be easily performed.

また、溶接ビード２２２，２２３は、中空形材２１０において、面板２１１，２１２と実質的に同一面にあるので、騒音の発生源にならない。   Further, since the weld beads 222 and 223 are substantially in the same plane as the face plates 211 and 212 in the hollow profile 210, they do not become a noise generation source.

上記実施例では、突出リブ１２４，１２５は側構体１２を構成する第１中空形材１２０に予め設けられ、面板１２１，１２２を削除させることで露出させているので、第１中空形材１２０が重量大になる。これを防止するためには、側構体１２において、低屋根構体２０を接続しない位置の第１中空形材１２０には突出リブを設けず、低屋根構体２０を接続する位置の中空形材１２０にのみ突出リブ１２４，１２５を設けておくのがよい。突出リブ１２４，１２５がある第１中空形材１２０と、突状リブ１２４，１２５がない中空形材１２０とは、その長手方向の端部の突き合わせ部で溶接する。突き合わせ部を溶接するので、溶接ビートが突出し、騒音発生の要因となる。それを防止するには溶接ビードを切削して除く。 In the above embodiment, the protruding ribs 124 and 125 are provided in advance in the first hollow shape member 120 constituting the side structure 12 and are exposed by deleting the face plates 121 and 122. Becomes heavy. To prevent this, the side construction body 12, lower in the first hollow shape member 120 of the not connected positions roof structure 20 is not provided with the rib out collision, the position of the hollow shape member for connecting the low roof construction body 20 120 good idea to provide a butt out of ribs 124 and 125 only. A first hollow shape member 120 there is a collision out ribs 124 and 125, the projecting ribs 124 and 125 hollow shape member 120 is no, welded at the butt portion of the end portion in the longitudinal direction. Since the butt portion is welded, the welding beat protrudes, causing noise generation. To prevent this, the weld bead is cut off.

次に、低屋根構体２０と屋根構体１１との長手方向の接続について、図５に基づき説明する。両者の間には空間が生じるので、この空間を接続板４０で接続する。接続板４０は中空形材で構成されている。接続板４０の中空形材の端部は、屋根構体１１及び低屋根構体２０の長手方向の端部と突き合わせ溶接されている。接続板４０の長手方向の端部（上端）は屋根構体１１の幅方向の形状に沿っている。接続板４０の長手方向の他方の端部（下端）は低屋根構体２０の長手方向の端部の形状に沿っている。接続板４０の上端は、屋根構体１１の中空形材１４０の車外側面板１４１に直交している。車内側面板１４２及びリブは取り除かれている。また、接続板４０の低屋根構体２０側の面と車外側面板１４１とはリブ４８に隅肉溶接されている。   Next, connection in the longitudinal direction between the low roof structure 20 and the roof structure 11 will be described with reference to FIG. Since there is a space between the two, this space is connected by the connection plate 40. The connection plate 40 is made of a hollow material. The ends of the hollow members of the connection plate 40 are butt welded to the ends of the roof structure 11 and the low roof structure 20 in the longitudinal direction. The end (upper end) of the connecting plate 40 in the longitudinal direction is along the shape of the roof structure 11 in the width direction. The other end portion (lower end) in the longitudinal direction of the connection plate 40 is along the shape of the end portion in the longitudinal direction of the low roof structure 20. The upper end of the connection plate 40 is orthogonal to the vehicle outer side surface plate 141 of the hollow shape member 140 of the roof structure 11. The vehicle interior side plate 142 and the rib are removed. Further, the surface on the low roof structure 20 side of the connection plate 40 and the vehicle outer side surface plate 141 are fillet welded to the rib 48.

接続板４０と低屋根構体２０の中空形材２１０との接続も同様である。ただし、接続板４０は低屋根構体２０の車内側面板２１２に接続している。車内側面板２１２と接続板４０との間にはリブ４９を溶接している。図５において、接続板４０は中空形材で構成されているが、そのリブを図示していない。 The connection between the connection plate 40 and the hollow shape member 210 of the low roof structure 20 is the same. However, the connection plate 40 is connected to the interior side plate 212 of the low roof structure 20. A rib 49 is welded between the inboard side plate 212 and the connection plate 40. In FIG. 5, the connection plate 40 is formed of a hollow shape, but the ribs are not shown.

以上の実施例において、低屋根構体２０は中空形材２１０であるとして説明したが、中空形材２１０ではなく、平板で構成してもよい。   In the above embodiment, the low roof structure 20 has been described as being the hollow shape member 210, but it may be constituted by a flat plate instead of the hollow shape member 210.

本発明による軌条車両の一実施例である鉄道車両構体の斜視図。The perspective view of the railway vehicle structure which is one Example of the rail vehicle by this invention. 図１に示す軌条車両のＩＩ−ＩＩ断面の一部を示す図である。It is a figure which shows a part of II-II cross section of the rail vehicle shown in FIG. 図１に示す軌条車両のＩＩＩ−ＩＩＩ断面の一部を示す図である。It is a figure which shows a part of III-III cross section of the rail vehicle shown in FIG. 図１におけるＩＶの部分の拡大断面図である。It is an expanded sectional view of the IV part in FIG. 図１に示す軌条車両の低屋根構体と屋根構体との長手方向の接続の一例を示す図である。It is a figure which shows an example of the connection of the longitudinal direction of the low roof structure of a rail vehicle shown in FIG. 1, and a roof structure.

符号の説明Explanation of symbols

１：軌条車両構体
１０：一般構体 １１：屋根構体
１２：側構体 １３ 台枠
１４ 妻構体
２０ 低屋根構体 ２１：平坦部
２２：立ち上がり部 ２３：突出部
３０：溶接部
４０：接続板
４８：リブ ４９：リブ
１２０：中空形材 １２１：車外側面板
１２２：車内側面板 １２３：接続リブ
１２４：第１突出リブ １２５：第２突出リブ
１２６：中空部 １２８：上端部
１２９：最上部
１４０：中空形材 １４１：車外側面板
１４２：車内側面板 １４３：リブ
２１０：中空形材 ２１１：車外側面板
２１２：車内側面板 ２１３：接続リブ
２１４：第１係止リブ ２１５：第２係止リブ
２２０，２２１：突き合わせ部 ２２２，２２３：溶接ビード 1: Rail vehicle structure 10: General structure 11: Roof structure 12: Side structure 13 Underframe 14 Wife structure 20 Low roof structure 21: Flat part 22: Standing part 23: Protruding part 30: Welded part 40: Connection plate 48: Rib 49: Rib 120: Hollow profile 121: Outer side plate 122: In-vehicle side plate 123: Connection rib 124: First protruding rib 125: Second protruding rib 126: Hollow portion 128: Upper end portion 129: Top portion 140: Hollow shape Material 141: Vehicle outer side plate 142: Vehicle inner side plate 143: Rib 210: Hollow shape material 211: Vehicle outer side plate 212: Vehicle inner side plate 213: Connection rib 214: First locking rib 215: Second locking rib 220, 221 : Butt portion 222, 223: Weld bead

Claims (5)

車体の上面を構成する屋根構体と前記車体の側面を構成する側構体とが二枚の面板と該面板同士を結合する複数の接続リブから成る中空形材により構成される軌条車両構体の製作方法において、
車外側の前記面板と車内側の前記面板と当該両面板を接続する前記接続リブとから成り前記側構体を構成する前記中空形材のうち、前記車両に搭載すべき屋根上機器に対応した上端部を前記屋根構体と共に切除することにより、現れた切除部において載置部を露出させ、
前記屋根上機器を搭載する低屋根構体を上方から下降させて、その車幅方向両端部に形成されている係止部を前記側構体の前記切除部に現れた前記載置部に載せることにより、前記低屋根構体を前記側構体の前記上端部に接合させ、
更に、前記接合は前記係止部が前記載置部に載置された状態で溶接されること、
を特徴とする軌条車両の製作方法。 A manufacturing method of a rail vehicle structure in which a roof structure constituting an upper surface of a vehicle body and a side structure constituting a side surface of the vehicle body are formed of a hollow member formed of two face plates and a plurality of connecting ribs connecting the face plates. In
The upper end corresponding to the on-roof equipment to be mounted on the vehicle, out of the hollow shape members, which are composed of the face plate on the outside of the vehicle, the face plate on the inside of the vehicle, and the connection rib that connects the double-sided plate to form the side structure. By excising the part together with the roof structure, the placement part is exposed in the appearing excision part,
By lowering the low roof structure on which the rooftop equipment is mounted from above, and placing the locking portions formed at both ends in the vehicle width direction on the mounting portion appearing in the cut portion of the side structure. , Joining the low roof structure to the upper end of the side structure,
Further, the joining is welded in a state where the locking portion is placed on the placement portion,
A production method of a rail vehicle characterized by 請求項１に記載の軌条車両の製作方法において、
前記載置部は、前記接続リブと車外側の前記面板との交点の近傍から水平方向に突出する第１突出リブと、車内側の前記面板と前記接続リブとの交点から水平方向に突出する第２突出リブであり、
前記係止部は、前記低屋根構体の車外側の前記面板からその延長として形成され且つ前記第１突出リブ上に載置可能な第１係止リブと、前記低屋根構体の車内側表面から前記側構体の車内側の前記面板の厚さに相当する高さだけ昇った位置において形成され且つ前記第２突出リブ上に載置可能な第２係止リブであること、
を特徴とする軌条車両の製作方法。 In the manufacturing method of the rail vehicle of Claim 1,
The mounting portion projects in a horizontal direction from a first projecting rib projecting in the horizontal direction from the vicinity of the intersection between the connection rib and the face plate on the outside of the vehicle, and from an intersection of the face plate on the vehicle inside and the connection rib. A second protruding rib,
The locking portion is formed as an extension of the face plate on the vehicle exterior side of the low roof structure, and can be placed on the first projecting rib, and from the vehicle interior surface of the low roof structure. A second locking rib formed at a position corresponding to a thickness corresponding to the thickness of the face plate inside the side structure and mounted on the second protruding rib;
A production method of a rail vehicle characterized by 請求項２に記載の軌条車両の製作方法において、
前記低屋根構体を前記側構体の前記上端部に接合させた接合部において、前記側構体の車外側の前記面板と前記低屋根構体の前記第１係止リブとが車外側から溶接され、
前記側構体の前記第２突出リブと前記低屋根構体の車内側の前記面板とが車内側から溶接されること、
を特徴とする軌条車両の製作方法。 In the manufacturing method of the rail vehicle of Claim 2 ,
In the joint portion where the low roof structure is joined to the upper end portion of the side structure, the face plate on the vehicle exterior side of the side structure and the first locking rib of the low roof structure are welded from the vehicle exterior side,
The second projecting rib of the side structure and the face plate inside the vehicle of the low roof structure are welded from the inside of the vehicle;
A production method of a rail vehicle characterized by 請求項１記載の軌条車両の製作方法において、
前記屋根構体の長手方向端部と前記低屋根構体とは接続板を介して接続させ、
前記接続板は、前記屋根構体を構成する前記中空形材の車外側の前記面板と、前記低屋根構体を構成する車内側の面板とに隅肉溶接されること、
を特徴とする軌条車両の製作方法。 In the manufacturing method of the rail vehicle of Claim 1,
Wherein the longitudinal end of the roof structure and the low roof construction body is connected via the connection plate,
The connecting plate, the said surface plate of the exterior of the hollow shape member constituting the roof structure, said to be fillet welded to the vehicle inner face plate that make up the low roof construction body,
A production method of a rail vehicle characterized by ２枚の面板と、該両面板を接続する複数の接続リブと、から成る中空形材において、
一方の前記面板と前記接続リブとの接合個所から前記２枚の面板と前記複数の接続リブとで囲まれた該中空形材の中空部に向けて突出する第１突出リブが形成されており、
他方の前記面板と前記接続リブとの接合個所から外方に向けて突出する第２突出リブが形成されていること、
を特徴とする中空形材。 In a hollow shape member composed of two face plates and a plurality of connecting ribs connecting the double face plates,
A first projecting rib is formed to project from a joint portion between the one face plate and the connecting rib toward the hollow portion of the hollow member surrounded by the two face plates and the plurality of connecting ribs. ,
A second projecting rib projecting outward from a joint between the other face plate and the connecting rib is formed;
Hollow profile characterized by
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KR1020060063564A KR100792721B1 (en) 2006-03-28 2006-07-06 Rail vehicle, manufacturing method thereof, and hollow member in use therefor
US11/481,864 US20070227396A1 (en) 2006-03-28 2006-07-07 Rail vehicle, manufacturing method thereof, and hollow shape member user for the same
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