JP3808713B2 - Rail car axle box support device - Google Patents
Rail car axle box support device Download PDFInfo
- Publication number
- JP3808713B2 JP3808713B2 JP2001052140A JP2001052140A JP3808713B2 JP 3808713 B2 JP3808713 B2 JP 3808713B2 JP 2001052140 A JP2001052140 A JP 2001052140A JP 2001052140 A JP2001052140 A JP 2001052140A JP 3808713 B2 JP3808713 B2 JP 3808713B2
- Authority
- JP
- Japan
- Prior art keywords
- axle box
- support device
- shaft
- spring seat
- box support
- 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 - Lifetime
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- Springs (AREA)
Description
【0001】
【発明の属する技術分野】
本発明は、鉄道車両用の軸箱支持装置に係り、台車上に車体を載せた在姿状態でも台車枠の高さ調整が容易に行え、かつ、安価に製作することができる鉄道車両の軸箱支持装置に関するものである。
【0002】
【従来の技術】
従来、軸箱上に軸ばねを配置した軸ばね装置においては、軸箱と台車枠の間にスペーサを挿入した後、台車枠の上方から、軸箱上に配置した下部軸ばね座に設けたねじ孔にボルトを締め込むことで、下部軸ばね座を軸箱より引き上げて軸箱と下部軸ばね座の間に間隙を設け、この間隙にライナーを挿入したり、挿入してあったライナーを抜き出すことで、台車枠の高さを調整していた。
【0003】
しかしながら、このような方法で台車枠の高さ調整を行う場合、台車上に車体を載せた在姿状態では、作業スペースが狭いのみならず、大きなトルクでボルトを締め込む必要があるので、作業性が悪く、長い作業時間が必要であった。
【0004】
そこで、この作業性の悪さを改善するために、下部軸ばね座と軸箱でシリンダ装置を構成し、このシリンダ装置を駆動することによって、下部軸ばね座を軸箱より引き上げて軸箱と下部軸ばね座の間に間隙を設けることが提案された。
【0005】
【発明が解決しようとする課題】
下部軸ばね座と軸箱でシリンダ装置を構成したものでは、ボルトの締め込みによる従来構造の作業性の悪さを改善することができるものの、下部軸ばね座と軸箱で構成したシリンダ装置に油圧等の圧縮性流体を密封する機能を持たせる必要があるので、下部軸ばね座と軸箱部分の製作費用が非常に高価となる。
【0006】
本発明は、上記した問題点に鑑みてなされたものであり、台車上に車体を載せた在姿状態であっても台車枠の高さ調整が容易に行え、かつ、安価に製作することができる鉄道車両の軸箱支持装置を提供することを目的としている。
【0007】
【課題を解決するための手段】
上記した目的を達成するために、本発明における鉄道車両の軸箱支持装置は、輪軸の両端に軸受けを介して取付けられた軸箱の上端部における軸ばね載置位置に、上面及び外側側面が開口し、下面が塞がった切り欠き部を設け、台車枠の高さを調整する時に前記切り欠き部にシリンダ装置を設置することにより、台車上に車体を載せた在姿状態でも台車枠の高さ調整を可能としたこととしている。そして、このようにすることで、台車枠の高さ調整時には、切り欠き部にシリンダ装置を設置し、ピストンロッドを突出方向に移動させて下部軸ばね座を持ち上げれば、ライナーの挿入や抜き出しにより台車枠の高さ調整が行える。
【0008】
【発明の実施の形態】
本発明における鉄道車両の軸箱支持装置は、輪軸の両端に軸受けを介して取付けられた軸箱と、この軸箱と台車枠の相対的な上下動を許容しつつ軸箱を台車枠に結合する軸箱支持機構と、軸箱と台車枠間に介設されて台車枠を支持する軸ばねとからなる軸箱支持装置において、前記軸箱の上端部における軸ばね載置位置に、上面及び外側側面が開口し、下面が塞がった切り欠き部を設け、台車枠の高さを調整する時に前記切り欠き部にシリンダ装置を設置することにより、台車上に車体を載せた在姿状態でも台車枠の高さ調整を可能としたものである。
【0009】
本発明における鉄道車両の軸箱支持装置は、上記したように構成したので、台車枠の高さを調整する時には、切り欠き部にシリンダ装置を設置し、ピストンロッドを突出方向に移動させて下部軸ばね座を軸箱より持ち上げた後、設定すべき高さになるように、ライナーを挿入したり、また、ライナーを抜き出したりする。
【0010】
すなわち、本発明における鉄道車両の軸箱支持装置では、台車枠の高さ調整時における下部軸ばね座の持ち上げをシリンダ装置により行うので、良好な作業性を有する。また、常時はシリンダ装置は設置していないので、下部軸ばね座や軸箱に油圧等の圧縮性流体を密封する機能を持たせる必要がなく、下部軸ばね座と軸箱部分の製作費用が安価となる。
【0011】
【実施例】
以下、本発明における鉄道車両の軸箱支持装置を図1〜図6に示す実施例に基づいて説明する。
図1は本発明における鉄道車両の軸箱支持装置の第1実施例を断面して示す図、図2(a)は図1の要部拡大断面図、(b)は(a)のB−B断面図、図3は図2(a)においてシリンダ装置を設置し、下部軸ばね座を持ち上げた状態を示す図、図4は本発明における鉄道車両の軸箱支持装置の第2実施例を断面して示す図、図5は本発明における鉄道車両の軸箱支持装置の第3実施例を断面して示す図、図6(a)は本発明における鉄道車両の軸箱支持装置の第4実施例を断面して示す図、(b)は(a)のB−B断面図である。
【0012】
図1〜図5は頂上ばね式軸箱支持装置の一例を示したもので、この図1〜図5において、1は輪軸の両端に軸受けを介して取付けられる軸箱、2aはこの軸箱1上に載置状に取付けられる下部軸ばね座、3はこの下部軸ばね座2a上に載置されるコイルスプリングであり、台車枠4はこのコイルスプリング3を介して軸箱1に支持されている。なお、2bはコイルスプリング3と台車枠4間に介設される上部軸ばね座である。
【0013】
5は軸箱1と台車枠4の相対的な上下動を許容しつつ軸箱1を台車枠4に結合する軸箱支持機構で、図1に示す実施例では、2枚の支持板5aの夫々の端部を軸箱1と台車枠4にボルト5b止めすることで、弾性結合するものを示している。
【0014】
また、図4に示す実施例では、前後方向の支持は、両端に球面ブッシュ5dを取付けた支持リンク5cにより行い、左右方向の支持は、ボス部2baを垂下させた上部軸ばね座2bと、ボス軸部2aaを立ち上げた下部軸ばね座2a間に介設した支持ゴム5eによって行うものを示している。
【0015】
また、図5に示す実施例では、軸箱1から腕1aを延ばし、この腕1aの先端を台車枠4に取付けることで、弾性結合するものを示している。
【0016】
図6はウィング式軸箱支持装置の一例を示したもので、このウィング式軸箱支持装置では、輪軸に対して台車枠4の前後方向に軸箱1を延ばした腕部1c上にそれぞれ1個ずつ、計2個のコイルスプリング3を載置し、これらのコイルスプリング3で台車枠4を支持するものである。
【0017】
この図6に示す実施例では、軸箱の支持は、ボス軸部2bbを垂下させた上部軸ばね座2bと、軸箱1に設けた嵌入孔1b間に介設した支持ゴム5fによって行うものを示している。
【0018】
本発明における鉄道車両の軸箱支持装置は、上記した軸箱1の上端部におけるコイルスプリング3の載置位置に、在姿状態でのシリンダ装置の設置が可能な、上面が開口した切り欠き部1dを、コイルスプリング3が1個について例えば2箇所設けたものである。この切り欠き部1dの大きさは、台車上に車体を載せた在姿状態で下部軸ばね座2aを持ち上げることができる能力のシリンダ装置を設置できる大きさである。なお、図6に示す実施例では、2個のコイルスプリング3の載置位置に、それぞれ切り欠き部1dを設けることは言うまでもない。
【0019】
本発明における鉄道車両の軸箱支持装置は、上記したような構成であり、台車枠4の高さを調整する時には、図3に示したように、切り欠き部1dにシリンダ装置6を設置し、そのピストンロッドを突出方向に移動させて下部軸ばね座2aを持ち上げ、軸箱1の上面と下部軸ばね座2aの下面の間に、例えばsの間隔を設けるのである。
【0020】
その後、台車枠4の高さが設定すべき高さになるように、軸箱1の上面と下部軸ばね座2aの下面の間に、ライナー7を挿入したり、また、ライナーを抜き出したりする。すなわち、本発明における鉄道車両の軸箱支持装置では、台車枠4の高さを調整する時にのみシリンダ装置を設置し、常時はシリンダ装置は設置しない。
【0021】
【発明の効果】
以上説明したように、本発明における鉄道車両の軸箱支持装置は、常時はシリンダ装置を設置していないので、下部軸ばね座や軸箱に油圧等の圧縮性流体を密封する機能を持たせる必要がなく、下部軸ばね座と軸箱部分の製作費用が安価となる。また、台車枠の高さ調整時における下部軸ばね座の持ち上げをシリンダ装置により行うので、良好な作業性を有する。
【図面の簡単な説明】
【図1】本発明における鉄道車両の軸箱支持装置の第1実施例を断面して示す図である。
【図2】(a)は図1の要部拡大断面図、(b)は(a)のB−B断面図である。
【図3】図2(a)においてシリンダ装置を設置し、下部軸ばね座を持ち上げた状態を示す図である。
【図4】本発明における鉄道車両の軸箱支持装置の第2実施例を断面して示す図である。
【図5】本発明における鉄道車両の軸箱支持装置の第3実施例を断面して示す図である。
【図6】(a)は本発明における鉄道車両の軸箱支持装置の第4実施例を断面して示す図、(b)は(a)のB−B断面図である。
【符号の説明】
1 軸箱
1d 切り欠き
2a 下部軸ばね座
3 コイルスプリング
4 台車枠
5 軸箱支持機構
6 シリンダ装置
7 ライナー[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an axle box support device for a railway vehicle, and it is possible to easily adjust the height of the bogie frame even in a state where the vehicle body is mounted on the bogie, and to be manufactured at a low cost. The present invention relates to a box support device.
[0002]
[Prior art]
Conventionally, in a shaft spring device in which a shaft spring is disposed on a shaft box, a spacer is inserted between the shaft box and the bogie frame, and then provided on the lower shaft spring seat disposed on the shaft box from above the bogie frame. By tightening the bolt into the screw hole, the lower shaft spring seat is lifted from the shaft box to provide a gap between the shaft box and the lower shaft spring seat, and a liner is inserted into this gap or the inserted liner is removed. The height of the bogie frame was adjusted by extracting.
[0003]
However, when adjusting the height of the bogie frame in such a way, the work space is not only narrow in the state where the vehicle body is placed on the bogie, but it is necessary to tighten the bolt with a large torque. It was not good and required a long working time.
[0004]
Therefore, in order to improve this poor workability, a cylinder device is constituted by a lower shaft spring seat and a shaft box, and by driving this cylinder device, the lower shaft spring seat is lifted from the shaft box and the shaft box and the lower portion are driven. It has been proposed to provide a gap between the shaft spring seats.
[0005]
[Problems to be solved by the invention]
In the case where the cylinder device is composed of the lower shaft spring seat and the shaft box, the workability of the conventional structure due to tightening of the bolt can be improved, but the cylinder device composed of the lower shaft spring seat and the shaft box is hydraulically operated. Since it is necessary to provide a function of sealing a compressive fluid such as the lower shaft spring seat and the shaft box portion, the manufacturing cost becomes very expensive.
[0006]
The present invention has been made in view of the above-mentioned problems, and the height of the bogie frame can be easily adjusted even in the state where the vehicle body is placed on the bogie, and can be manufactured at low cost. It is an object of the present invention to provide a railway car axle box support device.
[0007]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the axle box support device for a railway vehicle according to the present invention has an upper surface and an outer side surface at the shaft spring placement position at the upper end portion of the axle box attached to both ends of the wheel shaft via bearings. A notch with an opening and a closed bottom surface is provided, and when adjusting the height of the bogie frame , a cylinder device is installed in the notch, so that the height of the bogie frame can be increased even when the vehicle body is placed on the bogie. Adjustment is possible. By doing this, when adjusting the height of the bogie frame, installing a cylinder device in the notch, moving the piston rod in the protruding direction and lifting the lower shaft spring seat, insert and withdraw the liner Can adjust the height of the bogie frame.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
A railway car axle box support device according to the present invention includes an axle box attached to both ends of a wheel shaft via bearings, and the axle box is coupled to the carriage frame while allowing the axle box and the carriage frame to move up and down relatively. and axle box support mechanism for, in axle box support device comprising a shaft spring is interposed between the axle box and the bogie frame for supporting the bogie frame, the axial spring loading position at the upper end of the journal box, an upper surface and Even if the vehicle body is placed on the carriage , the carriage is installed on the carriage by installing a notch with an opening on the outer side and a notch with the bottom covered, and adjusting the height of the carriage frame. The height of the frame can be adjusted.
[0009]
Since the axle box supporting device for a railway vehicle in the present invention is configured as described above, when adjusting the height of the bogie frame, a cylinder device is installed in the notch, and the piston rod is moved in the protruding direction to move the lower part After lifting the shaft spring seat from the shaft box, the liner is inserted and the liner is pulled out so that the height to be set is reached.
[0010]
That is, the rail car axle box support device according to the present invention has good workability because the lower shaft spring seat is lifted by the cylinder device when the height of the carriage frame is adjusted. In addition, since the cylinder device is not always installed, it is not necessary to provide the lower shaft spring seat or the shaft box with a function of sealing a compressible fluid such as hydraulic pressure, and the manufacturing cost of the lower shaft spring seat and the shaft box portion is reduced. It will be cheap.
[0011]
【Example】
Hereinafter, a rail car axle box supporting device according to the present invention will be described based on the embodiments shown in FIGS.
FIG. 1 is a cross-sectional view showing a first embodiment of a rail car axle box support device according to the present invention, FIG. 2 (a) is an enlarged cross-sectional view of the main part of FIG. 1, and FIG. B sectional view, FIG. 3 is a view showing a state in which the cylinder device is installed in FIG. 2A and the lower shaft spring seat is lifted, and FIG. 4 is a second embodiment of the axle box supporting device for a railway vehicle in the present invention. FIG. 5 is a cross-sectional view, FIG. 5 is a cross-sectional view of a third embodiment of a rail car axle box support device according to the present invention, and FIG. The figure which cuts and shows an Example, (b) is BB sectional drawing of (a).
[0012]
FIGS. 1 to 5 show an example of a top spring type axle box support device. In FIGS. 1 to 5,
[0013]
[0014]
Further, in the embodiment shown in FIG. 4, the longitudinal support is performed by the
[0015]
In the embodiment shown in FIG. 5, the arm 1 a is extended from the
[0016]
FIG. 6 shows an example of a wing-type axle box support device. In this wing-type axle box support device, 1 is respectively provided on an arm portion 1c that extends the
[0017]
In the embodiment shown in FIG. 6, the shaft box is supported by an upper
[0018]
The axle box support device for a railway vehicle according to the present invention is a notch portion having an open top surface, in which the cylinder device can be installed in a state where the
[0019]
The axle box support device for a railway vehicle according to the present invention has the above-described configuration. When the height of the
[0020]
Thereafter, the
[0021]
【The invention's effect】
As described above, the axle box supporting device for a railway vehicle according to the present invention does not always have a cylinder device installed, so that the lower axle spring seat and the axle box have a function of sealing a compressible fluid such as hydraulic pressure. This is unnecessary, and the manufacturing cost of the lower shaft spring seat and the shaft box portion is low. Further, since the lower shaft spring seat is lifted by the cylinder device at the time of adjusting the height of the carriage frame, it has good workability.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a first embodiment of a railway car axle box support device according to the present invention.
2A is an enlarged cross-sectional view of a main part of FIG. 1, and FIG. 2B is a cross-sectional view taken along line BB of FIG.
FIG. 3 is a view showing a state where a cylinder device is installed in FIG. 2A and a lower shaft spring seat is lifted.
FIG. 4 is a cross-sectional view showing a second embodiment of the axle box supporting device for a railway vehicle according to the present invention.
FIG. 5 is a cross-sectional view showing a third embodiment of a rail car axle box support device according to the present invention.
6A is a sectional view showing a fourth embodiment of a rail car axle box supporting apparatus according to the present invention, and FIG. 6B is a sectional view taken along line BB in FIG.
[Explanation of symbols]
1
Claims (1)
前記軸箱の上端部における軸ばね載置位置に、上面及び外側側面が開口し、下面が塞がった切り欠き部を設け、
台車枠の高さを調整する時に前記切り欠き部にシリンダ装置を設置することにより、台車上に車体を載せた在姿状態でも台車枠の高さ調整を可能としたことを特徴とする鉄道車両の軸箱支持装置。An axle box attached to both ends of the wheel shaft via bearings, an axle box support mechanism for coupling the axle box to the carriage frame while allowing relative vertical movement of the axle box and the carriage frame, and the axle box and the carriage frame In the axle box support device comprising an axle spring interposed between and supporting the carriage frame,
In the shaft spring placement position at the upper end portion of the axle box, a cutout portion in which the upper surface and the outer side surface are opened and the lower surface is closed is provided,
A railcar characterized in that the height of the bogie frame can be adjusted even when the vehicle body is mounted on the bogie by installing a cylinder device at the notch when adjusting the height of the bogie frame. Shaft box support device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001052140A JP3808713B2 (en) | 2001-02-27 | 2001-02-27 | Rail car axle box support device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001052140A JP3808713B2 (en) | 2001-02-27 | 2001-02-27 | Rail car axle box support device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002249045A JP2002249045A (en) | 2002-09-03 |
JP3808713B2 true JP3808713B2 (en) | 2006-08-16 |
Family
ID=18912816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001052140A Expired - Lifetime JP3808713B2 (en) | 2001-02-27 | 2001-02-27 | Rail car axle box support device |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3951635B2 (en) * | 2001-05-25 | 2007-08-01 | 住友金属工業株式会社 | Railway vehicle air spring device, air spring height adjusting method, and railway vehicle carriage |
JP4924255B2 (en) * | 2007-07-13 | 2012-04-25 | 住友金属工業株式会社 | Railcar air spring, air spring height adjusting method, and railcar carriage |
JP5052436B2 (en) * | 2008-07-11 | 2012-10-17 | 日本車輌製造株式会社 | Axle spring height adjustment device for railcar bogie |
JP5126904B2 (en) * | 2009-08-07 | 2013-01-23 | 新日鐵住金株式会社 | Rail car axle box support device |
KR101144944B1 (en) | 2010-06-08 | 2012-05-11 | 현대로템 주식회사 | Suspension system and load per axle adjusting method using thereof |
JP5724711B2 (en) * | 2011-07-21 | 2015-05-27 | 新日鐵住金株式会社 | Railcar steering wheel |
JP5902965B2 (en) * | 2012-03-06 | 2016-04-13 | 川崎重工業株式会社 | Railcar bogie and air spring height adjustment system |
JP6557596B2 (en) * | 2015-12-25 | 2019-08-07 | 川崎重工業株式会社 | Railway vehicle carriage, wheel load adjusting method thereof, and wheel load adjusting system |
-
2001
- 2001-02-27 JP JP2001052140A patent/JP3808713B2/en not_active Expired - Lifetime
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JP2002249045A (en) | 2002-09-03 |
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