JPS646379Y2 - - Google Patents
Info
- Publication number
- JPS646379Y2 JPS646379Y2 JP1981151984U JP15198481U JPS646379Y2 JP S646379 Y2 JPS646379 Y2 JP S646379Y2 JP 1981151984 U JP1981151984 U JP 1981151984U JP 15198481 U JP15198481 U JP 15198481U JP S646379 Y2 JPS646379 Y2 JP S646379Y2
- Authority
- JP
- Japan
- Prior art keywords
- underframe
- pillow
- pillow beam
- vehicle
- recess
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000012779 reinforcing material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
- Laminated Bodies (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） この考案は鉄道車両台枠に関するものである。[Detailed description of the invention] (Industrial application field) This invention relates to railway vehicle underframes.
（従来の技術）
一般に、鉄道車両は、台枠の前後車端寄りに２
個の枕はりが設けられ、これら両枕はりによつて
鉄道車両の車体重量が受け止められている。(Prior art) Generally, a railway vehicle has two parts near the front and rear ends of the underframe.
Two pillow beams are provided, and the weight of the railway vehicle is supported by these pillow beams.
ところで、上記台枠内には、多数の電線管およ
び空気管（以下電線管等と略記する）が車両の長
さ方向（前後方向）に延びて配設されており、こ
れらの電線管等は上記枕はり内にも配設されるこ
ととなる。 By the way, inside the above-mentioned underframe, there are a large number of electrical conduits and air pipes (hereinafter abbreviated as electrical conduits, etc.) extending in the longitudinal direction of the vehicle (front-rear direction), and these electrical conduits, etc. It will also be placed inside the pillow beam.
この場合、上記枕はりは、その左右両端部が空
気ばねなどにより支持されているため、上記電線
管等は、上記空気ばねなどの左右取付部分を除
く、枕はりの前後の垂直壁に設けられた複数個の
貫通孔を介して、車両の前後方向に配設されてい
た。 In this case, since the left and right ends of the pillow beam are supported by air springs, etc., the electrical conduits, etc. are installed on the front and rear vertical walls of the pillow beam, excluding the left and right mounting parts of the air springs, etc. They were arranged in the longitudinal direction of the vehicle through a plurality of through holes.
（考案が解決しようとする課題）
しかしながら、鉄道車両の自重は約40tであり、
よつて乗客の重量も含めると、鉄道車両１台の総
重量は約60tにもなるところ、このような構造の
枕はりでは、上記貫通孔の設けられる位置が、枕
はりの中央部垂直壁に限定されていることから、
隣接する貫通孔の配設間隔も必然的に狭く、これ
がため、枕はりの車体重量の保持強度が弱くなる
欠点があつた。(Problem that the invention aims to solve) However, the dead weight of a railway vehicle is approximately 40 tons,
Therefore, including the weight of passengers, the total weight of one railway vehicle is approximately 60 tons.In a pillow beam with such a structure, the position where the above-mentioned through hole is provided is in the central vertical wall of the pillow beam. Since it is limited,
The spacing between adjacent through holes is also necessarily narrow, which has the drawback of weakening the strength of the pillow beam to hold the weight of the vehicle.
しかも、近年車両に自動運転装置が装備され、
それだけ電線管等の配設される本数が増加するよ
うになると、これに伴つて、上記枕はりの垂直壁
に設けられる貫通孔の開口面積も増加し、上記隣
接する貫通孔の配設間隔はさらに減少する。この
結果、上記枕はりの強度はさらに弱くある傾向が
あつた。 Moreover, in recent years, vehicles have been equipped with automatic driving devices,
As the number of electrical conduits, etc. increases, the opening area of the through holes provided in the vertical wall of the pillow beam also increases, and the spacing between the adjacent through holes increases. Further decrease. As a result, the strength of the pillow beams tended to be even weaker.
さらに、近時、身体障害者用の車イスがプラツ
トホームから鉄道車両内に容易に乗れるようにす
るため、鉄道車両の床面を約50mmほど低くするこ
とが要求されている。 Furthermore, recently there has been a demand for lowering the floor surface of a railway vehicle by approximately 50 mm in order to allow wheelchairs for physically disabled people to easily enter the railway vehicle from the platform.
このため、考案者等は、枕はりの垂直壁の左右
両端部、すなわち、空気ばねを保持する受座の上
方位置に相当する部分に貫通孔をあけて、ここに
電線管等を通すことについて検討した。 For this reason, the inventors decided to make a through hole in both the left and right ends of the vertical wall of the pillow beam, that is, in the part above the catch that holds the air spring, and to pass the electric conduit etc. through this hole. investigated.
しかし、受座の上方位置に相当する部分に貫通
孔をあけると、この貫通孔が、垂直壁の上縁寄り
に偏つた位置に開孔されることとなるため、応力
集中等により、この貫通孔から上縁に向けて亀裂
が入るおそれがあることが判明した。 However, if a through hole is drilled in a portion corresponding to the upper position of the strike plate, this through hole will be opened in a position biased towards the upper edge of the vertical wall, and stress concentration etc. will cause the through hole to It was found that there was a risk of cracking from the hole toward the upper edge.
この亀裂を防止するには、上記貫通孔の周囲に
補強板を当てて溶接すればよいのであるが、、溶
接を施した場合、溶接のための熱によるひずみ等
の影響が考えられ、好ましくない。 In order to prevent this cracking, it is possible to weld a reinforcing plate around the through hole, but if welding is performed, it is not desirable because it may cause distortion due to the heat of welding. .
（課題を解決するための手段）
本考案は、上記従来の問題点に鑑みてなされた
ものであつて、総重量約60tにもなる鉄道車両の
枕はりに多数本の電線管等を通すことを可能と
し、しかも、大重量を受けるのに十分な台枠の強
度を維持できる構造を有する鉄道車両用の台枠を
提供することを目的とする。(Means for Solving the Problems) The present invention was made in view of the above-mentioned conventional problems. It is an object of the present invention to provide an underframe for a railway vehicle having a structure capable of maintaining sufficient strength of the underframe to bear a large weight.
かかる目的を達成するため、本考案の鉄道車両
台枠は、台枠の前後車端寄りに枕はりがそれぞれ
設けられ、該枕はりの左右両端部の下面に、車輪
上に車体を空気ばね等を介して保持するための凹
状の受座が形成されるとともに、枕はりの前後の
各垂直壁に電線管等を挿通する孔が形成されてな
るものにおいて、前記枕はりの上面板における前
記受座の上方部分に、平底形の凹部が前記台枠の
前後方向に延びて設けられ、該凹部の上面に、前
記台枠内に配設される電線管等が載置され、前記
孔が、前記凹部のいずれとも重合しない位置に形
成されていることを特徴とする。 In order to achieve this purpose, the railway vehicle underframe of the present invention is provided with pillow beams near the front and rear ends of the underframe, and air springs or the like are installed on the lower surfaces of both left and right ends of the pillow beams to support the vehicle body on the wheels. In the pillow beam, a concave seat is formed for holding the pillow beam, and a hole is formed in each of the front and rear vertical walls of the pillow beam, through which a conduit or the like is inserted. A flat-bottomed recess is provided in the upper part of the seat and extends in the front-rear direction of the underframe, and a conduit or the like disposed within the underframe is placed on the upper surface of the recess, and the hole is It is characterized in that it is formed at a position that does not overlap with any of the recesses.
また、好ましくは、前記凹部の上面に、車両の
床を支持するための支持材が車両の前後方向に延
びて設けられ、該支持材は、前記凹部に載置され
る電線管等を区分して所定位置に保持する、位置
決め部材を兼ねるように構成される。 Preferably, a support material for supporting the floor of the vehicle is provided on the upper surface of the recess and extends in the front-rear direction of the vehicle, and the support material separates electrical conduits and the like placed in the recess. It is configured to also serve as a positioning member that is held in a predetermined position by hand.
（実施例）
以下、本考案の実施例を図面に基いて説明す
る。(Example) Hereinafter, an example of the present invention will be described based on the drawings.
本考案に係る鉄道車両台枠を第１図に示し、１
は台枠、２は枕はりであり、該枕はり２は台枠１
の前後車端寄りにそれぞれ設けられ、これら両枕
はり２，２によつて鉄道車両の車体重量が受け止
められている。 The railway vehicle underframe according to the present invention is shown in Fig. 1.
is the underframe, 2 is the pillow beam, and the pillow beam 2 is the underframe 1.
These pillow beams 2, 2 are provided near the front and rear car ends, respectively, and the weight of the railway vehicle is supported by these two pillow beams 2, 2.
左右一対の側はり３，３が車体の長さ方向（前
後方向）に延びるとともに、該両側はり３，３に
は、多数の横はり４が、適当な間隔をもつて、側
はり３，３と直角な方向（幅方向）に延びて配設
されている。また、隣接する横はり４，４の間隔
の広い部分には、車両の床補強材５が適宜取付け
られている。 A pair of left and right side beams 3, 3 extend in the length direction (front and rear direction) of the vehicle body, and a large number of side beams 4 are attached to the side beams 3, 3 at appropriate intervals on both side beams 3, 3. It is arranged to extend in a direction perpendicular to (width direction). In addition, a vehicle floor reinforcing material 5 is appropriately attached to a portion where the distance between the adjacent crossbeams 4, 4 is wide.
枕はり２は、下面板６、上面板８、前後垂直壁
１０，１０および枕はり補強部材１２などからな
る。 The pillow beam 2 includes a lower plate 6, an upper plate 8, front and rear vertical walls 10, 10, a pillow beam reinforcing member 12, and the like.
上記下面板６の幅方向両端部には、第２図およ
び第３図に示すように、受座７，７がそれぞれ設
けられ、これに車体を保持する空気ばね（図示省
略）が着座して、乗客の乗心地を良くするように
されている。 As shown in FIGS. 2 and 3, catch seats 7, 7 are provided at both ends of the lower plate 6 in the width direction, and an air spring (not shown) for holding the vehicle body is seated on this seat. , designed to improve passenger comfort.
また、上記上面板８の両端部には、第３図に示
すように、凹部９，９が上記受座７，７と一部重
合して設けられている。該凹部９は、底面が平面
とされた平底形状とされ、若干枕はり２の幅方向
中央寄りに拡がるとともに、上記台枠１の前後方
向に延びて形成される。 Furthermore, as shown in FIG. 3, recesses 9, 9 are provided at both ends of the top plate 8, partially overlapping with the seats 7, 7. The recess 9 has a flat bottom shape, and is formed to expand slightly toward the center in the width direction of the pillow beam 2 and extend in the front-rear direction of the underframe 1.
上記凹部９，９の上面には、車両の床の支持材
１４…が車両の前後方向に延びて設けられてお
り、該支持材１４…は、枕はり２の凹部９に載置
される電線管等１５を区分して所定位置に保持す
る位置決め機能も兼備している。 On the upper surface of the recesses 9, 9, support members 14 for the floor of the vehicle are provided extending in the front-rear direction of the vehicle, and the support members 14 support the electric wires placed in the recesses 9 of the pillow beam 2. It also has a positioning function for dividing the pipes etc. 15 and holding them at predetermined positions.
上記前後垂直壁１０，１０には、孔１１，１１
がそれぞれ設けられており、これら両孔１１，１
１は、上記上面板８と下面板６との間に設けられ
た貫通孔１３の入口を形成している。該貫通孔１
３は、台枠１内に配設される電線管等を挿通する
もので、枕はり補強部材１２，１２の間に、台枠
１の前後方向に形成されている。なお、該枕はり
補強部材１２，１２は、溶接等の手段により、上
記上面板８と下面板６との間に所定間隔をもつて
固着されている。 The front and rear vertical walls 10, 10 have holes 11, 11.
are provided respectively, and these holes 11, 1
1 forms an entrance of a through hole 13 provided between the upper surface plate 8 and the lower surface plate 6. As shown in FIG. The through hole 1
Reference numeral 3 is for inserting an electric conduit or the like arranged inside the underframe 1, and is formed between the pillow beam reinforcing members 12, 12 in the front-rear direction of the underframe 1. The pillow beam reinforcing members 12, 12 are fixed at a predetermined distance between the upper plate 8 and the lower plate 6 by means such as welding.
上記実施例においては、枕はり２の凹部９は、
幅方向両端部にそれぞれ１個ずつ設けられるとと
もに、垂直壁１０に設けられる孔１１は１個の場
合が示されているが、凹部９はそれぞれ同数また
は異なる個数の凹部に分割してもよく、また、上
記孔１１の個数は、台枠１内に配設される電線管
等の本数が多いときには適宜増加される、しか
し、この場合、枕はり２の車体保持強度の低下を
少なくする上から、上記孔１１は、上面板８に形
成される凹部９のいずれとも重合しない位置に設
けられる。 In the above embodiment, the recess 9 of the pillow beam 2 is
Although one hole 11 is provided at each end in the width direction and one hole 11 is provided in the vertical wall 10, each recess 9 may be divided into the same or different number of recesses. Further, the number of the holes 11 is appropriately increased when the number of electrical conduits etc. arranged in the underframe 1 is large. , the hole 11 is provided at a position that does not overlap with any of the recesses 9 formed in the top plate 8.
また、図示しないが、台枠１の各横はり４およ
び床補強材５にも、上記枕はり２の凹部９および
孔１１と対応するかそれに近い位置に、これらに
連続する凹部または孔がそれぞれ設けられる。 Although not shown, each side beam 4 of the underframe 1 and the floor reinforcing material 5 also have recesses or holes that are continuous with or correspond to the recesses 9 and holes 11 of the pillow beam 2, respectively. provided.
この考案は上記構成を有するから、台枠１の横
はり４と床補強材５の凹部または孔（図示省略）
の部分を通して配設される多数の電線管等１５
は、枕はり２の上面板８に形成された凹部９の部
分に載置することができ、枕はり２の垂直壁１０
に設けられる孔１１の個数を最少限に抑えること
ができるとともに、該孔１１の開口面積も、最小
限に抑えることができる。これにより、枕はり２
の垂直壁１０，１０の断面二次モーメントを可及
的に大きくして、枕はり２の車体保持強度を大幅
に向上することができる。換言すれば、枕はり２
の車体保持強度を十分確保しつつ、その高さ寸法
を可及的に小さくすることができる。 Since this invention has the above configuration, the recesses or holes (not shown) in the crossbeam 4 of the underframe 1 and the floor reinforcing material 5
A large number of conduit pipes, etc. installed through the section 15
can be placed in the recess 9 formed in the top plate 8 of the pillow beam 2, and can be placed on the vertical wall 10 of the pillow beam 2.
The number of holes 11 provided in the hole 11 can be minimized, and the opening area of the holes 11 can also be minimized. As a result, the pillow beam 2
By increasing the moment of inertia of the vertical walls 10, 10 as much as possible, the vehicle body holding strength of the pillow beam 2 can be greatly improved. In other words, Pillow Hari 2
The height dimension can be made as small as possible while ensuring sufficient strength to hold the vehicle body.
また、上記凹部９が枕はり２の上面板８に形成
されているため、その加工が容易であるだけでな
く、電線管等１５の配設を能率よく行うことがで
きる。しかも、垂直壁１０に孔１１を設けるとき
にも、従来該孔１１に電線管等１５を通すため
に、その開口面積を必要以上に大きくしなければ
ならなかつた欠点をも解消することができる。こ
の結果、車両に自動運転装置が装備され、電線管
等１５の配設される本数が増加するような場合に
も、車体保持強度をほとんど低下させることなく
適用できることになる。 Moreover, since the recessed portion 9 is formed in the upper surface plate 8 of the pillow beam 2, it is not only easy to process the recessed portion 9, but also to efficiently arrange the electric conduit 15. Furthermore, even when the hole 11 is provided in the vertical wall 10, the disadvantage of conventionally having to make the opening area larger than necessary in order to pass the electrical conduit 15 through the hole 11 can also be solved. . As a result, even when a vehicle is equipped with an automatic driving device and the number of electrical conduits 15 increases, the present invention can be applied without substantially reducing the vehicle body holding strength.
さらに、身体障害者用の車イスがプラツトホー
ムから鉄道車両内に容易に乗れるようにするため
などの理由で、鉄道車両の床面を可及的に低くす
るという近時のニーズにも、容易に対応すること
が可能である。 Furthermore, it easily meets the recent need to lower the floor surface of a railway vehicle as much as possible, in order to allow wheelchairs for the physically disabled to easily enter the railway vehicle from the platform. It is possible to respond.
（考案の効果）
以上詳述したように、本考案によれば、以下に
列挙するような種々のすぐれた効果が得られ、多
数本の電線管等を通すことを可能とし、しかも、
大荷重を受けるのに十分な台枠の強度を維持でき
る構造を有する実用上きわせて有用な鉄道車両台
枠を提供することができた。(Effects of the invention) As detailed above, according to the invention, various excellent effects as listed below can be obtained, and it is possible to pass a large number of electrical conduits, etc.
It has been possible to provide a railway vehicle underframe that is extremely useful in practice and has a structure that can maintain sufficient strength of the underframe to receive a large load.
(1) 枕はりの上面板の両端部でかつ左右の受座の
上方に、平底形の凹部が台枠の前後方向に延び
て設けられ、該凹部の上面に、上記台枠内に配
設される電線管等が載置されるようにされてい
るから、枕はりの垂直壁における孔の配設数が
減少するとともに、該孔の開口面積も可及的に
小さくすることができ、これにより、枕はりの
垂直壁の断面二次モーメントを可及的に大きく
して、枕はりの車体保持強度を十分に保つこと
ができた。(1) A flat-bottomed recess is provided at both ends of the top plate of the pillow beam and above the left and right seats, extending in the front-rear direction of the underframe, and a flat-bottomed recess is provided on the upper surface of the recess within the underframe. Since the electric conduit pipes, etc. that are connected to the pillow beam are placed thereon, the number of holes provided in the vertical wall of the pillow beam can be reduced, and the opening area of the holes can also be made as small as possible. This made it possible to increase the moment of inertia of the vertical wall of the pillow beam as much as possible, and to maintain sufficient strength of the pillow beam to hold the vehicle body.
(2) 上記垂直壁に設けられる孔が、上記凹部のい
ずれとも重合しない位置に形成されているか
ら、これら孔と凹部が相互に強度的に干渉し合
うこともなく、この点でも枕はりの強度を向上
することができる。(2) Since the holes provided in the vertical wall are formed in positions that do not overlap with any of the recesses, the holes and recesses do not interfere with each other in terms of strength, and in this respect, the pillow beam is Strength can be improved.
(3) そして、枕はりの車体保持強度を十分に維持
しつつ、電線管等の本数が増加する自動運転装
置の車両への装備をも容易にすることができ、
しかも、同一の車体保持強度を有する従来の枕
はりに比較して、枕はりの高さ寸法を大幅に小
さくすることができた。これにより、身体障害
者用の車イスがプラツトホームから鉄道車両内
に容易に乗れるようにするためなどの理由で、
鉄道車両の床面を可及的に低くするという近時
のニーズにも、きわめて好適に対応することが
できる。(3) While maintaining the sufficient strength of the pillow beam to hold the vehicle body, it is possible to easily equip vehicles with automatic driving equipment that increases the number of electrical conduits, etc.
Furthermore, the height of the pillow beam can be significantly reduced compared to conventional pillow beams that have the same vehicle body retention strength. This allows wheelchairs for people with disabilities to easily access the train from the platform, etc.
It is also possible to meet the recent need to lower the floor surface of a railway vehicle as much as possible.
(4) 上記凹部が枕はりの上面板に形成されている
ため、その加工が容易であるだけでなく、電線
管等の配設を能率よく行うことができ、しか
も、垂直壁に孔を設けるときにも、、従来該孔
に電線管等を通すために、その開口面積を必要
以上に大きくしなければならなかつた欠点も解
消することができる。よつて、この点でも、十
分な枕はりの車体保持強度を確保することがで
きる。(4) Since the recess is formed on the top plate of the pillow beam, it is not only easy to process, but also enables efficient installation of electrical conduits, etc., and it is also possible to provide holes in the vertical wall. In some cases, it is also possible to eliminate the drawback that conventionally, in order to pass a conduit or the like through the hole, the opening area had to be made larger than necessary. Therefore, in this respect as well, sufficient strength of the pillow beam to hold the vehicle body can be ensured.
第１図はこの考案の一実施例を示す鉄道車両台
枠の平面図、第２図は枕はりの一実施例の詳細を
示す一部切欠き平面図、第３図は第２図の−
線による一部断面正面図である。
１……台枠、２……枕はり、８……（枕はり
の）上面板、９……凹部、１０……垂直壁、１１
……孔、１５……電線管等。
Fig. 1 is a plan view of a railway vehicle underframe showing an embodiment of this invention, Fig. 2 is a partially cutaway plan view showing details of an embodiment of a pillow beam, and Fig. 3 is a plan view of a railway vehicle underframe showing an embodiment of this invention.
FIG. 3 is a partially sectional front view taken along lines. 1... Underframe, 2... Pillow beam, 8... Top plate (of pillow beam), 9... Recess, 10... Vertical wall, 11
...hole, 15 ... electrical conduit, etc.
Claims (1)
られ、該枕はりの左右両端部の下面に、車輪上
に車両を空気ばねを介して保持するための凹状
の受座が形成されるとともに、枕はりの前後の
各垂直壁に電線管等を挿通する孔が形成されて
なるものにおいて、 前記枕はりの上面板における前記受座の上方
部分に、平底形の凹部が前記台枠の前後方向に
延びて設けられ、 該凹部の上面に、前記台枠内に配設される電
線管等が載置され、 前記孔が、前記凹部のいずれとも重合しない
位置に形成されていることを特徴とする鉄道車
両台枠。 (2) 前記凹部の上面に、車両の床を支持するため
の支持材が車両の前後方向に延びて設けられ、 該支持材は、前記凹部に載置される電線管等
を区分して所定位置に保持する、位置決め部材
を兼ねている実用新案登録請求の範囲第１項記
載の鉄道車両台枠。[Scope of Claim for Utility Model Registration] (1) Pillow beams are provided near the front and rear ends of the underframe, and the vehicle is held on the wheels via air springs on the lower surface of both left and right ends of the pillow beams. A concave seat is formed in the pillow beam, and holes are formed in each of the front and rear vertical walls of the pillow beam for passing electrical conduit, etc., in the upper part of the seat on the top plate of the pillow beam, A flat-bottomed recess is provided extending in the front-rear direction of the underframe, a conduit or the like disposed within the underframe is placed on the upper surface of the recess, and the hole overlaps with any of the recesses. A railway vehicle underframe characterized by being formed in a position where no (2) A support member for supporting the floor of the vehicle is provided on the upper surface of the recess and extends in the front-rear direction of the vehicle, and the support member divides the electrical conduit, etc. placed in the recess into a predetermined area. The railway vehicle underframe according to claim 1, which also serves as a positioning member for holding in position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15198481U JPS5854974U (en) | 1981-10-12 | 1981-10-12 | railway vehicle underframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15198481U JPS5854974U (en) | 1981-10-12 | 1981-10-12 | railway vehicle underframe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5854974U JPS5854974U (en) | 1983-04-14 |
| JPS646379Y2 true JPS646379Y2 (en) | 1989-02-17 |
Family
ID=29944651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15198481U Granted JPS5854974U (en) | 1981-10-12 | 1981-10-12 | railway vehicle underframe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5854974U (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60119671U (en) * | 1983-10-07 | 1985-08-13 | 川崎重工業株式会社 | Pillow beams for underframes made of hollow material |
| CN102556099A (en) * | 2010-12-10 | 2012-07-11 | 南车青岛四方机车车辆股份有限公司 | Light-weight bolster for urban rail trains |
| JP5710376B2 (en) * | 2011-05-19 | 2015-04-30 | 日本車輌製造株式会社 | Railway vehicle |
| JP5685494B2 (en) * | 2011-06-14 | 2015-03-18 | 株式会社日立製作所 | Railway vehicle body structure with wiring and piping modules |
| CN103085832B (en) * | 2011-10-30 | 2016-04-20 | 南车青岛四方机车车辆股份有限公司 | Rail car body bolster and job operation thereof |
| JP6356342B2 (en) * | 2015-05-01 | 2018-07-11 | 株式会社日立製作所 | Rail vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5132953U (en) * | 1974-09-03 | 1976-03-11 | ||
| JPS5514592U (en) * | 1978-07-18 | 1980-01-30 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52158398U (en) * | 1976-05-26 | 1977-12-01 |
-
1981
- 1981-10-12 JP JP15198481U patent/JPS5854974U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5132953U (en) * | 1974-09-03 | 1976-03-11 | ||
| JPS5514592U (en) * | 1978-07-18 | 1980-01-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5854974U (en) | 1983-04-14 |
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