JPH08310393A - Rolling stock shaft box supporting device - Google Patents
Rolling stock shaft box supporting deviceInfo
- Publication number
- JPH08310393A JPH08310393A JP14832695A JP14832695A JPH08310393A JP H08310393 A JPH08310393 A JP H08310393A JP 14832695 A JP14832695 A JP 14832695A JP 14832695 A JP14832695 A JP 14832695A JP H08310393 A JPH08310393 A JP H08310393A
- Authority
- JP
- Japan
- Prior art keywords
- axle
- axle box
- support beam
- wheel
- supporting device
- 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.)
- Pending
Links
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、曲線路通過時の横圧の
低減と自己操舵性を有する鉄道車両用軸箱支持装置に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an axle box support device for a railway vehicle which has a lateral pressure reduction and a self-steering property when passing through a curved road.
【０００２】[0002]
【従来の技術】鉄道車両用台車における輪軸の両端を支
持する軸受を納めた軸箱は、前後方向の動きを押え、左
右方向には横圧を緩和する余裕を持たせ、上下方向には
緩衝作用を作動させるように仕組まれた軸箱支持装置に
より支持されている。この軸箱支持装置には円筒ゴム方
式、軸ばり方式、板ばね方式、リンクアーム方式及び円
錐ゴム方式等種々のものがある。2. Description of the Related Art An axle box containing bearings for supporting both ends of an axle of a bogie for a railroad vehicle is provided to hold forward and backward movements, to allow a lateral pressure to be relaxed in the left and right directions, and to be cushioned in the up and down directions. It is supported by an axle box support device that is designed to actuate the action. There are various types of axle box supporting devices such as a cylindrical rubber type, an axial beam type, a leaf spring type, a link arm type and a conical rubber type.
【０００３】例えば、前記板ばね方式の中で、片板ばね
方式の軸箱支持装置は、図５に示すように、台車枠３の
中央寄りに形成した板ばね取付け座９aと、台車枠３の
端に軸ばね６により支持された軸箱１の板ばね取付け座
９bとの間に、上下２枚の平行する板ばね１１を置き、
板ばね１１と板ばね取付け座９a、９bを貫通した締結ボ
ルト１３により固定してなる。なお、板ばね取付け座９
bは弾性体１２を介して上下板ばね１１の端間を支持す
るように設けられている。For example, in the leaf spring system, the axle box support device of single leaf spring system, as shown in FIG. 5, and the leaf spring mounting seats 9 a formed near the center of the bogie frame 3, the bogie frame between the plate spring mounting seat 9 b of the axle box 1 supported by a shaft spring 6 to 3 end, place the plate spring 11 to the upper and lower two parallel,
Formed of a fixed leaf spring 11 and the leaf spring mounting seats 9 a, 9 fastening bolts 13 b has a through. The leaf spring mounting seat 9
b is provided so as to support the ends of the upper and lower leaf springs 11 via the elastic body 12.
【０００４】また、円筒ゴム方式の一例を図６に示す。
このものは、軸箱１の下端を前後方向に張り出してばね
座とし、台車枠との間にばね１４とゴムを剪断方向にば
ね作用させる弾性体１５からなる一対の軸ばねを設けて
なる。FIG. 6 shows an example of a cylindrical rubber system.
In this device, the lower end of the axle box 1 is extended in the front-rear direction to form a spring seat, and a pair of axle springs composed of a spring 14 and an elastic body 15 for causing the rubber to act in the shearing direction are provided between the axle frame and the bogie frame.
【０００５】更に、円錐ゴム方式の一例を図７に示す。
このものは、軸箱１の下端を前後方向に張り出してばね
座とし、台車枠との間にゴムと鋼板を交互に積層接着し
下方が開いた山形状に形成した弾性体１６からなる一対
の軸ばねを設けてなる。FIG. 7 shows an example of the conical rubber system.
This is a pair of elastic bodies 16 formed by protruding the lower end of the axle box 1 in the front-rear direction to form a spring seat, and alternately laminating and adhering rubber and steel plates to the bogie frame and forming a mountain shape with an open bottom. A shaft spring is provided.
【０００６】前記各方式の軸箱支持装置は、必要な機能
として台車枠と輪軸の間をがたつきなく接続するため、
ボルト等により固定する方法がとられている。また、軸
箱支持装置は台車の前後方向及び左右方向に適度のばね
剛性を有し、車両の乗り心地を確保する必要があるが、
これについては軸箱側の板ばね取付け座に介在した弾性
体または軸箱に設けた軸ばね用の弾性体の剛性値を選定
している。The axle box support device of each of the above-mentioned methods has a necessary function to connect the bogie frame and the wheel axle without rattling.
A method of fixing with bolts or the like is adopted. Further, the axle box supporting device has appropriate spring rigidity in the front-rear direction and the left-right direction of the bogie, and it is necessary to secure the riding comfort of the vehicle.
For this, the rigidity value of the elastic body interposed in the leaf spring mounting seat on the shaft box side or the elastic body for the shaft spring provided in the shaft box is selected.
【０００７】[0007]
【発明が解決しようとする課題】前記のごとく、従来の
軸箱支持装置には多種形式のものがあるが、車両が曲線
区間を走行する際に台車が受ける横圧を低減するために
は、軸箱支持装置の前後方向及び左右方向の剛性の適値
を見極めるために、理論解析と試作試験により選定して
いる。その剛性の適値は、弾性体の剛性値を選定するこ
とにより得られている。As described above, there are various types of conventional axle box supporting devices, but in order to reduce the lateral pressure received by the bogie when the vehicle travels in a curved section, In order to determine the appropriate values for the rigidity of the axle box support device in the front-rear direction and the left-right direction, it was selected by theoretical analysis and trial production test. The appropriate value of the rigidity is obtained by selecting the rigidity value of the elastic body.
【０００８】本発明は、ＦＲＰ素材を利用して軸箱支持
装置を構成することにより、従来の軸箱支持装置なみの
剛性値が得られると共に、曲線路通過時の横圧の低減と
自己操舵性を有する軸箱支持装置を提供するものであ
る。According to the present invention, by constructing the axle box supporting device by using the FRP material, the rigidity value similar to that of the conventional axle box supporting device can be obtained, and the lateral pressure when passing through the curved road and the self-steering are reduced. The present invention provides an axle box supporting device having flexibility.
【０００９】[0009]
【課題を解決するための手段】本発明者らは、前記目的
を達成するため種々研究の結果、下記のとおり発明を完
成するに至った。 （１） 鉄道車両用台車において、前後輪軸の左右それ
ぞれの軸箱間をＦＲＰ材にて構成した輪軸支持はりで接
続し、輪軸支持はりの中央部分を台車枠に締結ボルトを
介して固定してなり、曲線路上で横圧の低減と自己操舵
性を有することを特徴とする鉄道車両用軸箱支持装置。Means for Solving the Problems The present inventors have completed the invention as described below as a result of various studies for achieving the above object. (1) In a bogie for railway vehicles, the left and right axle boxes of the front and rear wheel axles are connected to each other by a wheel axle support beam made of FRP material, and the central portion of the wheel axle support beam is fixed to a bogie frame via fastening bolts. In addition, a rail car axle box support device having lateral pressure reduction and self-steering property on a curved road.
【００１０】（２） 鉄道車両用台車において、前後輪
軸の各軸箱と台車枠中央寄りとの間をＦＲＰ材にて構成
した輪軸支持はりで接続し、曲線路上で横圧の低減と自
己操舵性を有することを特徴とする鉄道車両用軸箱支持
装置。(2) In a bogie for a railway vehicle, the axle boxes of the front and rear wheel axles and a portion near the center of the bogie frame are connected by a wheel axle support beam made of FRP material to reduce lateral pressure and self-steer on a curved road. An axle box support device for a railway vehicle, which is characterized by having a property.
【００１１】（３） 軸箱と輪軸支持はりとの間を合成
ゴムなどの弾性体を介して接続したことを特徴とする前
記（１）または（２）記載の鉄道車両用軸箱支持装置。(3) The axle box support device for a railway vehicle according to (1) or (2), wherein the axle box and the wheel axle support beam are connected via an elastic body such as synthetic rubber.
【００１２】[0012]
【作用】ＦＲＰ材にて構成された台車枠のシュミレイシ
ョン実験により得られた現象を図４に示す。図４（Ａ）
はＦＲＰ材にて構成された台車枠の平面図であり、輪軸
１７の両側端は軸受部でがたつきなく固定されている。
そして、横圧現象を再現させるため、図４（Ｂ）に示す
ように、側はり１９側の輪軸を固定し、他方の側はり１
８の輪軸端より横圧相当の荷重Ｗ1、Ｗ2を加えた。その
結果、固定側の前後輪軸間の軸離Ｌ0に対し、加圧側の
前後輪軸間の軸離Ｌ1は伸びてＬ1＞Ｌ0の関係にある。
これは、輪軸１７とＦＲＰ材の側はりは直角にがたつき
なく固定されているため、荷重が加わった場合、図４
（Ｃ）に示すように、矢印のとおり側はり１９側には縮
みが、側はり１８には伸びが働き、ＦＲＰ材の繊維が伸
縮して軸離差（Ｌ1−Ｌ0）が生じるものと考えられる。FUNCTION FIG. 4 shows a phenomenon obtained by a simulation experiment of a bogie frame made of FRP material. FIG. 4 (A)
FIG. 4 is a plan view of a bogie frame made of FRP material, and both side ends of the wheel shaft 17 are fixed by bearing portions without rattling.
Then, in order to reproduce the lateral pressure phenomenon, as shown in FIG. 4 (B), the axle on the side beam 19 side is fixed, and the other side beam 1
Loads W 1 and W 2 corresponding to lateral pressure were applied from the wheel axle end of No. 8. As a result, the axial separation L 1 between the front and rear wheel shafts on the pressure side extends and the relationship L 1 > L 0 with respect to the axial separation L 0 between the front and rear wheel shafts on the fixed side.
This is because the wheel shaft 17 and the side beam of the FRP material are fixed at a right angle without rattling, and therefore, when a load is applied, as shown in FIG.
As shown in (C), as shown by the arrow, the side beam 19 side contracts, and the side beam 18 expands, and the fiber of the FRP material expands and contracts to cause axial separation (L 1 -L 0 ). it is conceivable that.
【００１３】前記のごとく、ＦＲＰ材の特性（ヤング率
が鋼の約１／４）を利用してばね剛性の適値を選定する
ことにより、ＦＲＰ材で鉄道車両用軸箱支持装置を構成
することができる。その結果、従来の軸箱支持装置に比
べ装置の構成が簡素化され、しかも同等の作用効果が得
られる。しかも、車両の安全走行に重要な横圧を低減
し、曲線路で自己操舵性を有するため、急曲線路区間に
おける車両の高速化に対処できる。As described above, the axle box support device for a railway vehicle is made of the FRP material by selecting an appropriate value for the spring rigidity by utilizing the characteristics of the FRP material (Young's modulus is about 1/4 of steel). be able to. As a result, the structure of the device is simplified as compared with the conventional axle box supporting device, and the same operational effect is obtained. Moreover, the lateral pressure, which is important for safe driving of the vehicle, is reduced and the vehicle has self-steering property on a curved road, so that it is possible to cope with speeding up of the vehicle on a sharply curved road section.
【００１４】[0014]
実施例１ 請求項１の発明に対応する実施例を図１（Ａ）、（Ｂ）
について説明する。前後輪軸１０の左右軸首を軸支した
軸箱１の前後軸箱間をＦＲＰ材で形成した輪軸支持はり
２により接合する。この場合、両者間の接合は、軸箱の
側面に設けた嵌合凹部に輪軸支持はり２の端を嵌め締結
ボルト４を貫設してがたつきなく固定する。そして、輪
軸支持はり２の中央部分を台車枠３の下面に当て、台車
枠との間に締結ボルト４を貫設して取り付ける。図中の
５は空気ばね、６は軸ばねである。Embodiment 1 An embodiment corresponding to the invention of claim 1 is shown in FIGS.
Will be described. The front and rear axle boxes of the axle box 1 that supports the left and right axles of the front and rear axles 10 are joined by the axle support beam 2 formed of FRP material. In this case, the connection between the two is performed by fitting the end of the wheel support beam 2 into a fitting recess provided on the side surface of the axle box and inserting the fastening bolt 4 therethrough to fix it without rattling. Then, the center portion of the wheel axle support beam 2 is applied to the lower surface of the bogie frame 3, and the fastening bolt 4 is provided so as to penetrate the bogie frame. In the figure, 5 is an air spring, and 6 is a shaft spring.
【００１５】実施例２ 前後輪軸１０の軸箱１を個別に台車枠に取り付けた場合
を図２に示す。台車枠３の側はりの中央寄りに嵌合凹部
を有する取付け座９を設け、軸箱１に設けた嵌合凹部と
前記取付け座９の嵌合凹部にＦＲＰ材で形成した輪軸支
持はり８の両端を嵌合してそれぞれ締結ボルト４を貫設
してがたつきなく固定する。図中の６は軸ばねである。Embodiment 2 FIG. 2 shows a case where the axle boxes 1 of the front and rear wheel axles 10 are individually attached to a bogie frame. A mounting seat 9 having a fitting recess is provided near the center of the side frame of the bogie frame 3, and a fitting recess provided in the axle box 1 and a wheel axle support beam 8 formed of an FRP material in the fitting recess of the mounting seat 9. Both ends are fitted to each other and the fastening bolts 4 are provided so as to penetrate therethrough and fixed without rattling. Reference numeral 6 in the drawing is a shaft spring.
【００１６】実施例３ 前記実施例１、２は、いずれも軸箱１の嵌合凹部に輪軸
支持はり２、８の端を直接嵌合した場合であるが、図３
（Ａ）に示すように、実施例１において軸箱１の嵌合凹
部７aと輪軸支持はり２の間にゴム等の弾性体２０を介
在し、また図３（Ｂ）に示すように、実施例２において
軸箱１の嵌合凹部７bと輪軸支持はり８の間にゴム等の
弾性体２０を介在して、適度なばね剛性値を得ることが
できる。Embodiment 3 In Embodiments 1 and 2 above, the ends of the wheel shaft supporting beams 2 and 8 are directly fitted in the fitting recesses of the axle box 1, respectively.
As shown in (A), an elastic body 20 such as rubber is interposed between the fitting recess 7 a of the axle box 1 and the wheel axle support beam 2 in the first embodiment, and as shown in FIG. 3 (B). In the second embodiment, an appropriate spring rigidity value can be obtained by interposing the elastic body 20 such as rubber between the fitting recess 7 b of the axle box 1 and the wheel axle support beam 8.
【００１７】[0017]
【発明の効果】この発明は、前後輪軸の軸箱間または軸
箱と台車枠との間をＦＲＰ材で形成した輪軸支持はりで
接合することにより、曲線路で横圧が低減し、また自己
操舵性を有するため、曲線路での速度向上が図れる。According to the present invention, the lateral pressure is reduced in a curved road by connecting the front and rear wheel axles between the axle boxes or between the axle box and the bogie frame with wheel axle support beams formed of FRP material, and the self pressure is reduced. Due to the steerability, speed can be improved on a curved road.
【図１】請求項１記載の発明の実施例における軸箱支持
装置の説明図で、（Ａ）は平面図、（Ｂ）は正面図であ
る。1A and 1B are explanatory views of an axle box supporting device according to an embodiment of the present invention, wherein FIG. 1A is a plan view and FIG. 1B is a front view.
【図２】請求項２記載の発明の実施例を示す軸箱支持装
置の正面図である。FIG. 2 is a front view of an axle box supporting device showing an embodiment of the invention according to claim 2;
【図３】請求項３記載の発明の実施例における軸箱支持
装置の説明図で、（Ａ）は図１の軸箱と輪軸支持はりと
の嵌合の場合、（Ｂ）は図２の軸箱と輪軸支持はりとの
嵌合の場合である。3 is an explanatory view of an axle box supporting device according to an embodiment of the invention as set forth in claim 3, (A) shows the case where the axle box and the wheel axle support beam of FIG. 1 are fitted together, and (B) shows the state of FIG. This is the case where the axle box and the axle support beam are fitted together.
【図４】ＦＲＰ材で台車枠を構成した場合のシュミレイ
ション実験における説明図で、（Ａ）は無負荷の状態、
（Ｂ）は横圧相当の荷重を加えた状態、（Ｃ）は荷重に
よる変形の伸縮を示す説明図である。FIG. 4 is an explanatory view in a simulation experiment when a bogie frame is made of FRP material, (A) shows an unloaded state,
(B) is a state in which a load equivalent to lateral pressure is applied, and (C) is an explanatory diagram showing expansion and contraction of deformation due to load.
【図５】従来の板ばね式軸箱支持装置の一例を軸箱側取
付け座部分のみ破断して示す全体の正面図である。FIG. 5 is an overall front view showing an example of a conventional leaf spring type axle box supporting device with only the axle box side mounting seat portion broken away.
【図６】従来の軸箱守式軸箱支持装置の一例を支持装置
の片側半部を破断して示す全体の正面図である。FIG. 6 is an overall front view showing an example of a conventional axle box guard type axle box support device with one half of the support device cut away.
【図７】従来のゴム式軸箱支持装置の一例を支持装置の
片側半部を破断して示す全体の正面図である。FIG. 7 is an overall front view showing an example of a conventional rubber type axle box supporting device with one half portion of the supporting device cut away.
１ 軸箱 ２ 輪軸支持はり ３ 台車枠 ４ 締結ボルト ５ 空気ばね ６ 軸ばね ７a、７b 嵌合凹部 ８ 輪軸支持はり ９ 取付け座 １０ 輪軸 １１ 板ばね １２、１５、１６、２０ 弾性体 １３ 締結ボルト １７ 輪軸 １８、１９ 側はり1 axle box 2 wheel axle support beam 3 bogie frame 4 fastening bolt 5 air spring 6 axle spring 7 a , 7 b fitting recess 8 wheel axle support beam 9 mounting seat 10 wheel axle 11 leaf spring 12, 15, 16, 20 elastic body 13 fastening Bolt 17 Wheel axle 18, 19 Side beam
フロントページの続き (72)発明者 寺田 徳之 大阪府大阪市此花区島屋５丁目１番109号 住友金属工業株式会社関西製造所製鋼品 事業所内Front Page Continuation (72) Inventor Tokuyuki Terada 5-109 Shimaya, Konohana-ku, Osaka City, Osaka Prefecture Sumitomo Metal Industries, Ltd. Kansai Works Steel Products Office
Claims (3)
右それぞれの軸箱間をＦＲＰ材にて構成した輪軸支持は
りで接続し、輪軸支持はりの中央部分を台車枠に締結ボ
ルトを介して固定してなり、曲線路上で横圧の低減と自
己操舵性を有することを特徴とする鉄道車両用軸箱支持
装置。1. In a bogie for a railway vehicle, the left and right axle boxes of the front and rear wheel axles are connected by a wheel axle support beam made of FRP material, and the central portion of the wheel axle support beam is fixed to a bogie frame via fastening bolts. Thus, the axle box support device for a railway vehicle, which has a lateral pressure reduction and a self-steering property on a curved road.
軸箱と台車枠中央寄りとの間をＦＲＰ材にて構成した輪
軸支持はりで接続し、曲線路上で横圧の低減と自己操舵
性を有することを特徴とする鉄道車両用軸箱支持装置。2. In a bogie for a railroad vehicle, a wheel axle support beam made of FRP material connects between the axle boxes of the front and rear wheel axles and a portion near the center of the bogie frame to reduce lateral pressure and self-steer on curved roads. An axle box support device for a rail vehicle, comprising:
どの弾性体を介して接続したことを特徴とする請求項１
または請求項２記載の鉄道車両用軸箱支持装置。3. The axle box and the wheel axle support beam are connected via an elastic body such as synthetic rubber.
Alternatively, the axle box supporting device for a railway vehicle according to claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14832695A JPH08310393A (en) | 1995-05-22 | 1995-05-22 | Rolling stock shaft box supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14832695A JPH08310393A (en) | 1995-05-22 | 1995-05-22 | Rolling stock shaft box supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08310393A true JPH08310393A (en) | 1996-11-26 |
Family
ID=15450282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14832695A Pending JPH08310393A (en) | 1995-05-22 | 1995-05-22 | Rolling stock shaft box supporting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08310393A (en) |
-
1995
- 1995-05-22 JP JP14832695A patent/JPH08310393A/en active Pending
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