JP2544378Y2 - Axle box support device for bogies for railway vehicles - Google Patents
Axle box support device for bogies for railway vehiclesInfo
- Publication number
- JP2544378Y2 JP2544378Y2 JP1990128316U JP12831690U JP2544378Y2 JP 2544378 Y2 JP2544378 Y2 JP 2544378Y2 JP 1990128316 U JP1990128316 U JP 1990128316U JP 12831690 U JP12831690 U JP 12831690U JP 2544378 Y2 JP2544378 Y2 JP 2544378Y2
- Authority
- JP
- Japan
- Prior art keywords
- spring
- axle box
- piston
- air
- axle
- 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
Links
Description
【考案の詳細な説明】 産業上の利用分野 この考案は、鉄道車両用台車における軸箱支持装置に
改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in an axle box support device for a bogie for a railway vehicle.
従来の技術 従来の鉄道車両用台車における軸箱支持装置は、前後
方向の支持剛性が一定であり、通常の直線高速走行に適
した剛性のみが与えられていた。そのため、直線路にお
いて高速走行時蛇行動を起こすことなく安全走行が確保
されるが、曲率半径の小さい曲線路を安定して通過する
には他に適当な操舵機構または前後支持剛性を減少せし
める何らかの手段が必要である。2. Description of the Related Art A conventional axle box support device for a bogie for a railway vehicle has a fixed support rigidity in the front-rear direction, and is given only a rigidity suitable for normal straight-line high-speed traveling. For this reason, safe running is ensured without causing snake behavior during high-speed running on a straight road.However, in order to pass a curved road with a small radius of curvature stably, other suitable steering mechanisms or some other means for reducing the front and rear support rigidity are required. Means are needed.
そのため、従来より軸箱支持剛性を可変にして輪軸の
操舵を行なう機構が種々工夫されてきた。例えば、板ば
ね方式では、第３図に示すように、軸箱（20）の片側と
台車枠（18）の中央寄りとを上下２枚の板ばね（21）で
橋渡しした軸箱支持装置において、台車枠側に設けた案
内支持金具（23）にばね取付座（22）を、車両の前後方
向には摺動自在にして取り付け、台車枠（18）に下向き
に取り付けた油圧シリンダー（24）のピストンロッド先
端に設けた拘束金物（26）をばね取付座（22）に貫通し
て着脱自在に設け、通常の走行時にはもどしばね（25）
の復元力でピストンを引きもどし拘束金物（26）でばね
取付座（22）を拘束し、曲線通過の際はピストンを押し
出してばね取付座（22）から拘束金物（26）を外してな
る。Therefore, conventionally, various mechanisms have been devised for steering the wheel axle by changing the axle box support rigidity. For example, in a leaf spring system, as shown in FIG. 3, in a shaft box supporting device in which one side of an axle box (20) and a center portion of a bogie frame (18) are bridged by two upper and lower leaf springs (21). A hydraulic cylinder (24) is mounted on a guide support bracket (23) provided on the bogie frame side, with a spring mounting seat (22) slidably mounted in the front-rear direction of the vehicle, and mounted downward on the bogie frame (18). The fitting (26) provided at the end of the piston rod is detachably provided through the spring mounting seat (22), and the return spring (25) is used during normal running.
The spring is seated back by the restoring force, and the spring mounting seat (22) is restrained by the restraining hardware (26). When the vehicle passes through a curve, the piston is pushed out to remove the restraining hardware (26) from the spring mounting seat (22).
軸箱守方式では、第４図〜第５図に示すように、軸ば
ねを挟んで軸箱守（28）内に置かれた軸箱（30）の前後
面と軸箱守（28）との間に、内部に圧油を充填した緩衝
ゴム（31）と該緩衝ゴム側面を常時押圧し、かつ曲線通
過時に押圧を解除できる増圧装置（32）を組込んでな
る。この増圧装置（32）は、片側にピストンロッド（3
3）を突設したピストン（38）を有するシリンダ（42）
のピストンロッドのある室を圧油室（39）とし、他方の
室（40）にコイルばね（41）を設けた油圧シリンダから
なる。In the axle box guard system, as shown in FIGS. 4 and 5, between the front and rear surfaces of the axle box (30) placed in the axle box guard (28) with the axle spring interposed therebetween and the axle box guard (28). A buffer rubber (31) filled with pressurized oil therein and a pressure-intensifying device (32) capable of constantly pressing the side surface of the buffer rubber and releasing the pressure when passing through a curve are incorporated. This pressure intensifier (32) has a piston rod (3
Cylinder (42) with piston (38) projecting from 3)
A chamber having a piston rod is a hydraulic oil chamber (39), and the other chamber (40) comprises a hydraulic cylinder provided with a coil spring (41).
さらに、第６図に示すウイングばね形式で軸ばねにロ
ールゴムを使用した場合には、軸ばね（44）の上側ばね
座上に前後方向に柔らかいばね性を有する積層ゴム（4
5）が置かれ、側ばりに取着されたシリンダ（47）のピ
ストンロッド（46）の先端テーパー部が上記積層ゴムの
内孔を貫き、軸ばね（44）の上側ばね座に設けたテーパ
ー孔（48）に出入自在にはめてなる。Further, when a roll rubber is used for the shaft spring in the wing spring type shown in FIG. 6, the laminated rubber (4) having a soft spring property in the front-rear direction is placed on the upper spring seat of the shaft spring (44).
5) is placed, the tapered end of the piston rod (46) of the cylinder (47) attached to the side beam passes through the inner hole of the laminated rubber, and the taper provided on the upper spring seat of the shaft spring (44) It fits freely into the hole (48).
上記各形式の軸箱支持装置は、曲線路通過時に軸ばね
の前後方向剛性を小さくし輪軸の自己操舵力により輪軸
のステアリングを行なうことができる。The axle box support device of each of the above types can reduce the rigidity of the axle spring in the front-rear direction when passing through a curved road and perform steering of the axle by the self-steering force of the axle.
しかし、いずれも空気シリンダまたは油圧シリンダを
使用しているため、がたの発生が原因してシリンダのピ
ストンとシリンダ壁の間、シリンダとピストンロッドと
の間に油漏れまたは空気漏れが発生しやすい。However, since both use an air cylinder or a hydraulic cylinder, oil leakage or air leakage easily occurs between the piston and the cylinder wall of the cylinder and between the cylinder and the piston rod due to rattling. .
考案が解決しようとする課題 第６図に示す形式の軸箱支持装置において油漏れ、ま
たは空気漏れが生じた場合、テーパー孔にはまったピス
トンの先端テーパー部の抜き出しが十分に行なわれず、
その結果曲線路通過に必要な操舵性能が得られなくな
る。Problems to be Solved by the Invention When oil leakage or air leakage occurs in the axle box support device of the type shown in FIG. 6, the tip end portion of the piston that is stuck in the tapered hole is not sufficiently extracted.
As a result, the steering performance required for traveling on a curved road cannot be obtained.
この考案は、かかる欠点を除くため、第６図に示す形
式の軸箱支持装置を油漏れ、または空気漏れによる性能
の低下が見られないよう改良した軸箱支持装置を提供す
るものである。This invention provides an improved axle box support device of the type shown in FIG. 6 so as to eliminate the drawbacks, so that performance is not reduced by oil leakage or air leakage.
課題を解決するための手段 上記目的を達成するため、この考案の鉄道車両用の軸
箱支持装置は、軸箱の前後に設けたばね座と側ばりとの
間に軸ばねを設けた軸箱支持装置において、軸ばねの上
側ばね座上に前後方向に柔らかいばね性を有する積層ゴ
ム環を取着し、該積層ゴム環の内孔を貫いて上側ばね座
に設けたテーパー孔にピストンの先端テーパー部がまる
ように設け、コイルばねの復元力によりピストンの先端
テーパー部がテーパー孔にすきまなくはまり、コイルば
ねに付設した空気ばねに空気が充満したときピストンが
移動しテーパー孔とピストンの先端テーパー部との間に
すきまが生じるように構成する。そして、万一空気ばね
の空気漏れ等のトラブルが生じた場合においてもコイル
ばねの復元力によりフェールセーフ機能を持たせてな
る。Means for Solving the Problems In order to achieve the above object, an axle box support device for a railway vehicle according to the present invention is provided with an axle box support provided with an axle spring between a spring seat provided on the front and back of the axle box and a side beam. In the device, a laminated rubber ring having a soft spring property in the front-rear direction is mounted on an upper spring seat of a shaft spring, and a taper hole of a piston is formed in a tapered hole provided in the upper spring seat through an inner hole of the laminated rubber ring. The piston taper fits into the tapered hole due to the restoring force of the coil spring, and the piston moves when the air spring attached to the coil spring is filled with air, causing the piston to move and the taper hole and the piston taper It is configured so that there is a gap between the parts. Even if a trouble such as air leakage of the air spring occurs, the fail-safe function is provided by the restoring force of the coil spring.
作用 軸ばねの上側ばね座のテーパー孔にはまるピストンの
先端テーパー部は、通常はピストンがコイルばねの復元
力により、すきまなくはまっており、通常の直線高速走
行に適した支持剛性が与えられているため、直線路にお
いて高速走行時蛇行動を起こすことなく、安全走行が確
保される。The tapered end of the piston, which fits into the tapered hole in the upper spring seat of the shaft spring, usually has a tight fit with the piston due to the restoring force of the coil spring. Therefore, safe driving is ensured without causing snake behavior during high-speed driving on a straight road.
そして、コイルばねに付設されている空気ばねに圧力
空気を充満して昇圧すれば、ピストンの先端テーパー部
はテーパー孔から移動し、すきまが生じ前後方向支持剛
性が減少し曲率半径の小さい曲線路を安定して通過でき
る操舵性が与えられる。If the air spring attached to the coil spring is filled with pressurized air and pressurized, the tapered portion of the piston moves from the tapered hole, creating a clearance, reducing the rigidity in the front-rear direction and reducing the radius of curvature on a curved road. Steering that can stably pass through.
実施例 実施例１ ピストンを押付けたとき通常の直線高速走行に必要な
支持剛性が得られる形式の実施例を第１図について説明
する。Embodiment 1 An embodiment of a type in which a support rigidity necessary for normal linear high-speed running when a piston is pressed is obtained will be described with reference to FIG.
軸箱（１）の前後に設けたばね座（２）に軸ばね
（３）をはめ、その軸ばねの上側ばね座（４）にテーパ
ー孔（５）を設ける。さらに、そのテーパー孔（５）の
周囲に積層ゴム環（６）を設置する。そして、積層ゴム
環（６）の上面は、台車の側ばり（７）に設けた支持枠
（８）の下面に当接する。A shaft spring (3) is fitted in a spring seat (2) provided before and after the axle box (1), and a tapered hole (5) is provided in an upper spring seat (4) of the shaft spring. Further, a laminated rubber ring (6) is provided around the tapered hole (5). The upper surface of the laminated rubber ring (6) contacts the lower surface of the support frame (8) provided on the side beam (7) of the truck.
上記支持枠（８）には上部にピストン（９）の上端部
を摺動自在に支持する案内筒（10）が設けられ、ピスト
ン（９）の下側先端にテーパー部が形成され、上記テー
パー孔（５）にはめられる。そして、ピストン（９）の
中央部にフランジ状の支持部材（12）が設けられてお
り、その支持部材（12）上に設けたばね受座（13）と案
内筒（10）の上面との間にコイルばね（14）を設け、か
つ支持枠（８）の下側面とピストンの支持部材（12）と
の間に空気ばね（15）を介在する。The support frame (8) is provided with a guide cylinder (10) slidably supporting the upper end of the piston (9) at the upper part, and a tapered portion is formed at the lower end of the piston (9). Fitted in hole (5). A flange-shaped support member (12) is provided at the center of the piston (9). A spring seat (13) provided on the support member (12) and an upper surface of the guide cylinder (10) are provided. A coil spring (14), and an air spring (15) is interposed between the lower surface of the support frame (8) and the support member (12) of the piston.
この空気ばね（15）は通常は圧力空気が抜き取られ、
コイルばね（14）の復元力によりピストンの先端テーパ
ー部（11）はテーパー孔（５）にすきまなくはまり、通
常の直線高速走行に必要な支持剛性が与えられている。This air spring (15) usually draws compressed air,
Due to the restoring force of the coil spring (14), the tapered end (11) of the piston fits into the tapered hole (5) without gaps, and the support rigidity required for normal linear high-speed running is provided.
そして、前後方向の剛性を減少して曲線路通過に必要
な操舵性を得る際は、空気ばね（15）に圧力空気を充填
してコイルばね（14）の復元力に抗してピストン（９）
を押し上げ、テーパー孔（５）とピストンのテーパー部
（11）との間にすきまを生じさせる。In order to reduce the rigidity in the front-rear direction and obtain the steering ability required for passing through a curved road, the air spring (15) is filled with pressurized air and the piston (9) is pressed against the restoring force of the coil spring (14). )
To create a clearance between the tapered hole (5) and the tapered portion (11) of the piston.
実施例２ ピストンを引上げた状態で通常の直線高速走行に必要
な剛性が得られる形式の実施例を第２図について説明す
る。Embodiment 2 An embodiment of a type in which the rigidity required for normal straight-line high-speed running with the piston pulled up will be described with reference to FIG.
軸ばね（３）と積層ゴム環（６−１）との構成は実施
例１と同様で、軸箱の前後に設けたばね座（２）と側ば
り（７−１）に設けた支持枠（８−１）の下面との間に
設置する。The configuration of the shaft spring (3) and the laminated rubber ring (6-1) is the same as that of the first embodiment, and the spring seat (2) provided before and after the shaft box and the support frame ( 8-1) It is installed between the lower surface.
そして、テーパー孔（５−１）は、逆テーパーからな
り、これにはまるピストン（９−１）も逆テーパーから
なる。The tapered hole (5-1) has an inverse taper, and the piston (9-1) that fits therein also has an inverse taper.
また、空気ばね（15−１）の下側空気ばね金具（16）
と支持枠（８−１）の上面との間にコイルばね（14）を
設け、ピストン（９−１）は上端を下側空気ばね金具
（16）に支持するとともに、上側空気ばね金具（17）に
設けた案内筒（10−１）にピストン（９−１）の上端部
を摺動自在にはめてなる。Also, the lower air spring bracket (16) of the air spring (15-1)
A coil spring (14) is provided between the upper air spring fitting (17) and a coil spring (14) between the upper air spring fitting (17) and the upper end of the piston (9-1). )), The upper end of the piston (9-1) is slidably fitted in the guide cylinder (10-1) provided in (1).
この空気ばね（15−１）は通常圧力空気が抜き取ら
れ、コイルばね（14）の復元力によりピストン（９−
１）は押し上げられ、テーパー部（11−１）はテーパー
孔（５−１）にすきまなくはまり、通常の直線高速走行
に必要な剛性が与えられている。This air spring (15-1) normally draws out compressed air, and the piston (9-
1) is pushed up, and the tapered portion (11-1) fits tightly in the tapered hole (5-1) to provide the rigidity required for normal linear high-speed running.
そして、前後方向の剛性を減少して曲線路通過に必要
な操舵性を得る際は、空気ばね（15−１）に圧力空気を
充填し、コイルばね（14）の復元力に抗してピストン
（９−１）を押し下げ、テーパー孔（５−１）とピスト
ンのテーパー部（11−１）との間にすきまを生じさせ
る。In order to reduce the rigidity in the front-rear direction and obtain the steering ability required for passing through a curved road, the air spring (15-1) is filled with pressurized air, and the piston is pressed against the restoring force of the coil spring (14). (9-1) is depressed to create a clearance between the tapered hole (5-1) and the tapered portion (11-1) of the piston.
なお、第１図および第２図に示す軸ばね（３）はロー
ルゴムであるが、円錐ゴム、円筒ゴムおよびコイルばね
等を使用しても同等の効果が得られる。Although the shaft spring (3) shown in FIGS. 1 and 2 is made of roll rubber, the same effect can be obtained by using conical rubber, cylindrical rubber, a coil spring, or the like.
考案の効果 この考案は、軸箱支持装置の前後方向支持剛性を変化
させるために、剛性を増加させる際の操作をコイルばね
で行ない、剛性を減少させる際の操作を空気ばねで行な
う。空気漏れや油漏れを生じるような部材がないため、
操舵性付与時の操作が常に確実にできる。According to the present invention, in order to change the support rigidity of the axle box support device in the front-rear direction, the operation for increasing the rigidity is performed by a coil spring, and the operation for decreasing the rigidity is performed by an air spring. Since there are no members that cause air leakage or oil leakage,
The operation at the time of imparting steering characteristics can always be performed reliably.
第１図はこの考案の一実施例における軸箱支持装置の一
部を示す断面図、第２図はこの考案の他の実施例におけ
る軸箱支持装置の一部を示す断面図、第３図〜第６図は
従来の支持剛性可変形式の軸箱支持装置の一例を示す説
明図で、第３図は板ばね方式、第４図および第５図は軸
箱守方式、第６図はウイングばね形式の場合である。 １…軸箱、２…ばね座 ３…軸ばね、４、４−１…ばね座 ５、５−１…テーパー孔、６、６−１…積層ゴム環 ７、７−１…側ばり、８、８−１…支持枠 ９、９−１…ピストン、10、10−１…案内筒 11、11−１…テーパー部、12…支持部材 13…ばね受座、14…コイルばね 15、15−１…空気ばね、16…下側空気ばね金具 17…上側空気ばね金具FIG. 1 is a sectional view showing a part of an axle box supporting device in one embodiment of the present invention, FIG. 2 is a sectional view showing a part of an axle box supporting device in another embodiment of the present invention, and FIG. 6 to 6 are explanatory views showing an example of a conventional axle box supporting device of a variable supporting rigidity type. FIG. 3 is a plate spring system, FIGS. 4 and 5 are axle box guard systems, and FIG. 6 is a wing spring. This is the case for the format. DESCRIPTION OF SYMBOLS 1 ... Axle box, 2 ... Spring seat 3 ... Shaft spring, 4-1, 4-1 ... Spring seat 5, 5-1 ... Taper hole, 6, 6-1 ... Laminated rubber ring 7, 7-1 ... Side beam, 8 , 8-1: Support frame 9, 9-1: Piston, 10, 10-1: Guide cylinder 11, 11-1: Tapered portion, 12: Support member 13: Spring seat, 14: Coil spring 15, 15- 1: Air spring, 16: Lower air spring bracket 17: Upper air spring bracket
───────────────────────────────────────────────────── フロントページの続き (72)考案者 森 加久見 愛知県名古屋市中村区名駅１丁目１番４ 号 東海旅客鉄道株式会社内 (72)考案者 宮内 栄二 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製鋼所内 (56)参考文献 特開 昭62−247965（ＪＰ，Ａ) 特開 平２−225172（ＪＰ，Ａ) 実公 昭44−29927（ＪＰ，Ｙ２) ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Mika Kumi 1-1-4, Meieki, Nakamura-ku, Nagoya-shi, Aichi Prefecture Tokai Railway Company (72) Inventor Eiji Miyauchi 5-chome, Shimaya, Konohana-ku, Osaka-shi, Osaka No. 1 109 Sumitomo Metal Industries, Ltd. Steel Works (56) References JP-A-62-247965 (JP, A) JP-A-2-225172 (JP, A)
Claims (1)
に軸ばねを設けた軸箱支持装置において、軸ばねの上側
ばね座上に前後方向に柔らかいばね性を有する積層ゴム
環を取着し、該積層ゴム環の内孔を通して上側ばね座上
に設けたテーパー孔にピストンの先端テーパー部が側ば
り側に設けたコイルばねの復元力によりすきまなくはま
るように設け、コイルばねに付設した空気ばねに圧力空
気を充満したときピストンが移動してテーパー孔と先端
テーパー部との間にすきまが生じ、前後方向支持剛性が
変えうるように設けた鉄道車両用台車の軸箱支持装置。An axle box support device in which an axle spring is provided between a side seat and a spring seat provided in front and rear of an axle box, a laminated rubber ring having a soft spring property in a front-rear direction on an upper spring seat of the axle spring. And a tapered hole provided on the upper spring seat through the inner hole of the laminated rubber ring so that the tapered end of the piston fits in the clearance by the restoring force of the coil spring provided on the side beam side. The axle box support of a bogie for a railway vehicle provided so that the piston moves when a pressure air is filled in an air spring attached to the air spring and a clearance is generated between the tapered hole and the tapered portion at the front end, so that the longitudinal rigidity can be changed. apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990128316U JP2544378Y2 (en) | 1990-11-29 | 1990-11-29 | Axle box support device for bogies for railway vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990128316U JP2544378Y2 (en) | 1990-11-29 | 1990-11-29 | Axle box support device for bogies for railway vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0483874U JPH0483874U (en) | 1992-07-21 |
| JP2544378Y2 true JP2544378Y2 (en) | 1997-08-20 |
Family
ID=31875782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990128316U Expired - Lifetime JP2544378Y2 (en) | 1990-11-29 | 1990-11-29 | Axle box support device for bogies for railway vehicles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2544378Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5165487B2 (en) * | 2008-07-23 | 2013-03-21 | 日本車輌製造株式会社 | Railway vehicle |
| JP6339928B2 (en) * | 2014-12-09 | 2018-06-06 | 株式会社日立製作所 | Railcar bogie |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4429927Y1 (en) * | 1965-07-22 | 1969-12-10 | ||
| DE3606325A1 (en) * | 1986-02-27 | 1987-09-03 | Talbot Waggonfab | UNDERCARRIAGE SUSPENSION FOR RAIL VEHICLES |
| JPH02225172A (en) * | 1989-02-23 | 1990-09-07 | Bridgestone Corp | Bearing box support device for railway vehicle |
-
1990
- 1990-11-29 JP JP1990128316U patent/JP2544378Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0483874U (en) | 1992-07-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |