JPH11245811A - Ground device for railway rolling stock - Google Patents
Ground device for railway rolling stockInfo
- Publication number
- JPH11245811A JPH11245811A JP10053663A JP5366398A JPH11245811A JP H11245811 A JPH11245811 A JP H11245811A JP 10053663 A JP10053663 A JP 10053663A JP 5366398 A JP5366398 A JP 5366398A JP H11245811 A JPH11245811 A JP H11245811A
- Authority
- JP
- Japan
- Prior art keywords
- axle
- slip ring
- bearing
- hole
- ground brush
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
- F16C19/383—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
- F16C19/385—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
- F16C19/386—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings in O-arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/10—Railway vehicles
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、鉄道車両の接地装
置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a railway vehicle grounding device.
【０００２】[0002]
【従来の技術】近年の鉄道車両では、車軸の軸受に信頼
性が高く、かつ、メンテナンス性の良好な密封軸受を採
用するものが増えている。この密封軸受は、車軸端部を
覆う軸箱前蓋で軸受の内レースを車軸に固定している。
また、走行レールを帰線として利用する電気鉄道車両で
は、台車に設けた接地装置から軸受を経由して車軸、車
輪を介して走行レールへ電流を流している。2. Description of the Related Art In recent years, railway vehicles have increasingly adopted sealed bearings having high reliability and good maintainability as axle bearings. In this sealed bearing, the inner race of the bearing is fixed to the axle with a front axle box cover that covers the end of the axle.
In an electric railway vehicle that uses a traveling rail as a return line, a current flows from the grounding device provided on the bogie to the traveling rail via the axles and wheels via bearings.
【０００３】[0003]
【発明が解決しようとする課題】ところが、軸受を経由
して車軸に電流を流すと、大容量の電流を流した場合に
は、軸受の転動面、転動部材の保持部等に電食の発生す
る虞がある。また、接地装置が車輪の内側に設けられて
いるのでメンテナンス性が良くなかった。However, when a current flows through the axle via the bearing, when a large amount of current flows, the electrolytic corrosion occurs on the rolling surface of the bearing, the holding portion of the rolling member, and the like. May occur. Further, since the grounding device is provided inside the wheel, the maintenance property is not good.
【０００４】そこで本発明は、大容量の電流を流しても
軸受に電食の発生する虞がなく、かつ、メンテナンス性
の良好な鉄道車両の接地装置を提供することを目的とし
ている。SUMMARY OF THE INVENTION It is an object of the present invention to provide a railway vehicle grounding device which does not cause electrolytic corrosion on bearings even when a large amount of current flows, and which has good maintenance.
【０００５】[0005]
【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、本発明は、車軸端部を覆う軸箱前蓋で軸受の内レ
ースを車軸に固定する鉄道車両において、前記軸箱前蓋
に貫通孔を形成し、該貫通孔に、前記車軸端面に接触す
るスリップリングを装着し、該スリップリングの外端面
に接地ブラシを摺接させたことを特徴としている。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a railway vehicle in which an inner race of a bearing is fixed to an axle with an axle box front cover covering an axle end. A through-hole is formed, and a slip ring that comes into contact with the axle end face is attached to the through-hole, and a ground brush is slid on the outer end face of the slip ring.
【０００６】[0006]
【発明の実施の形態】以下、本発明を、図面に示す実施
形態例に基づいて、さらに詳細に説明する。車輪１の車
軸２は、台車３に設けられた軸箱４に軸受５を介して回
転可能に支持されており、車軸２の端部には、車軸２の
端部を覆って軸受５の内レース５ａを車軸２に固定する
軸箱前蓋６が３本のボルト７により固設されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail based on embodiments shown in the drawings. The axle 2 of the wheel 1 is rotatably supported via a bearing 5 on an axle box 4 provided on a bogie 3. An axle box front cover 6 for fixing the race 5 a to the axle 2 is fixedly provided by three bolts 7.
【０００７】軸箱前蓋６は、各ボルト７の間にそれぞれ
貫通孔８を形成し、該軸箱前蓋６の外側には、スリップ
リング９がボルト１０により取付けられている。このス
リップリング９は、導電性の高い材質で形成され、各貫
通孔８に装着されて先端を車軸２の端面に接触する脚部
９ａを有している。The axle box front cover 6 has a through hole 8 formed between each bolt 7, and a slip ring 9 is attached to the outside of the axle box front cover 6 by bolts 10. The slip ring 9 is formed of a material having high conductivity, and has legs 9 a which are attached to the respective through holes 8 and whose end contacts the end surface of the axle 2.
【０００８】該スリップリング９の外端面９ｂには、接
地ブラシ１１が摺接している。この接地ブラシ１１は、
軸箱４に設けられて車軸２の端部を覆うケース１２に取
付けられ、ケース１２の外側に設けられた端子１３に各
種電気機器の配線１４が接続されている。The ground brush 11 is in sliding contact with the outer end surface 9b of the slip ring 9. This ground brush 11
Attached to a case 12 provided on the axle box 4 and covering an end of the axle 2, and wires 14 of various electric devices are connected to terminals 13 provided outside the case 12.
【０００９】このように、車軸２の端部に設けられるス
リップリング９と、車軸２の端部を覆うケース１２に取
付けられる接地ブラシ１１とで接地装置１５を構成する
ことにより、各種電気機器からの電流は、接地ブラシ１
１、スリップリング９を経由して車軸２に導かれ、車輪
１を介して帰線である走行レール１６へ流れる。As described above, by configuring the grounding device 15 with the slip ring 9 provided at the end of the axle 2 and the grounding brush 11 mounted on the case 12 covering the end of the axle 2, various electrical devices can be provided. Current of the ground brush 1
1. It is guided to the axle 2 via the slip ring 9 and flows to the traveling rail 16 which is the return line via the wheel 1.
【００１０】したがって、電流が軸受５を経由すること
なく直接車軸２に導かれるから、大容量の電流を流して
も軸受５に電食の発生する虞がなく、かつ、接地装置１
５が台車３の外側に設けられるから、メンテナンス性も
良好である。Therefore, since the current is guided directly to the axle 2 without passing through the bearing 5, there is no danger that electrolytic corrosion will occur in the bearing 5 even when a large amount of current flows, and the grounding device 1
Since 5 is provided on the outside of the trolley 3, the maintenance property is also good.
【００１１】[0011]
【発明の効果】以上説明したように、本発明の鉄道車両
の接地装置は、軸受の内レースを車軸に固定する軸箱前
蓋に貫通孔を形成し、該貫通孔に、前記車軸端面に接触
するスリップリングを装着し、該スリップリングの外端
面に接地ブラシを接触させたので、電流が軸受を経由す
ることなく直接車軸に導かれるから、大容量の電流を流
しても軸受に電食の発生する虞がなく、かつ、接地装置
が台車外側の車軸端部に設けられるから、メンテナンス
性も良好である。As described above, the grounding device for a railway vehicle according to the present invention has a through-hole formed in the axle box front cover for fixing the inner race of the bearing to the axle, and the through-hole is formed in the end surface of the axle. The slip ring that comes in contact was installed, and the ground brush was brought into contact with the outer end surface of the slip ring, so the current was guided directly to the axle without passing through the bearing. There is no danger of occurrence of the grounding, and the grounding device is provided at the end of the axle outside the bogie.
【図１】 本発明の一実施形態例を示す接地装置の断面
図である。FIG. 1 is a cross-sectional view of a grounding device showing an embodiment of the present invention.
【図２】 図１のＩＩ−ＩＩ断面図である。FIG. 2 is a sectional view taken along line II-II of FIG.
【図３】 台車の一部拡大側面図である。FIG. 3 is a partially enlarged side view of the cart.
１…車輪、２…車軸、３…台車、４…軸箱、５…軸受、
５ａ…軸受５の内レース、６…軸箱前蓋、８…貫通孔、
９…スリップリング、９ａ…スリップリング９の脚部、
９ｂ…スリップリング９の外端面、１１…接地ブラシ、
１２…ケース、１３…端子、１４…配線、１５…接地装
置、１６…走行レールDESCRIPTION OF SYMBOLS 1 ... Wheel 2 ... Axle 3 ... Dolly 4 ... Axle box 5 ... Bearing
5a: inner race of bearing 5, 6: front cover of axle box, 8: through hole,
9: slip ring, 9a: leg of slip ring 9,
9b: outer end face of the slip ring 9, 11: ground brush,
12 ... case, 13 ... terminal, 14 ... wiring, 15 ... grounding device, 16 ... running rail
フロントページの続き (72)発明者 加藤 達名 愛知県名古屋市熱田区三本松町１番１号 日本車輌製造株式会社内Continued on the front page (72) Inventor Tatsuna Kato 1-1, Sanbonmatsucho, Atsuta-ku, Nagoya-shi, Aichi Japan Vehicle Manufacturing Co., Ltd.
Claims (1)
スを車軸に固定する鉄道車両において、前記軸箱前蓋に
貫通孔を形成し、該貫通孔に、前記車軸端面に接触する
スリップリングを装着し、該スリップリングの外端面に
接地ブラシを摺接させたことを特徴とする鉄道車両の接
地装置。1. A railway vehicle in which an inner race of a bearing is fixed to an axle with an axle box front cover covering an axle end portion, a through hole is formed in the axle box front cover, and the through hole contacts the axle end face. A grounding device for a railway vehicle, wherein a slip ring to be mounted is mounted, and a ground brush is slid on the outer end surface of the slip ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10053663A JPH11245811A (en) | 1998-03-05 | 1998-03-05 | Ground device for railway rolling stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10053663A JPH11245811A (en) | 1998-03-05 | 1998-03-05 | Ground device for railway rolling stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11245811A true JPH11245811A (en) | 1999-09-14 |
Family
ID=12949103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10053663A Pending JPH11245811A (en) | 1998-03-05 | 1998-03-05 | Ground device for railway rolling stock |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11245811A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009117386A (en) * | 2009-02-23 | 2009-05-28 | Railway Technical Res Inst | Conductive structure |
| CN103889812A (en) * | 2011-08-26 | 2014-06-25 | Skf公司 | Assembly with rotating parts with conductive fluid for earth return |
| CN107792111A (en) * | 2017-11-03 | 2018-03-13 | 中车株洲电力机车有限公司 | A kind of axle Biodge device of charged insulating bearing |
| CN111775993A (en) * | 2020-06-30 | 2020-10-16 | 中车青岛四方机车车辆股份有限公司 | Axle head earthing device, wheel pair and rail vehicle |
| CN113904188A (en) * | 2021-09-09 | 2022-01-07 | 中车太原机车车辆有限公司 | Railway freight car bearing earthing device |
-
1998
- 1998-03-05 JP JP10053663A patent/JPH11245811A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009117386A (en) * | 2009-02-23 | 2009-05-28 | Railway Technical Res Inst | Conductive structure |
| CN103889812A (en) * | 2011-08-26 | 2014-06-25 | Skf公司 | Assembly with rotating parts with conductive fluid for earth return |
| CN107792111A (en) * | 2017-11-03 | 2018-03-13 | 中车株洲电力机车有限公司 | A kind of axle Biodge device of charged insulating bearing |
| CN111775993A (en) * | 2020-06-30 | 2020-10-16 | 中车青岛四方机车车辆股份有限公司 | Axle head earthing device, wheel pair and rail vehicle |
| CN111775993B (en) * | 2020-06-30 | 2021-09-10 | 中车青岛四方机车车辆股份有限公司 | Axle head earthing device, wheel pair and rail vehicle |
| CN113904188A (en) * | 2021-09-09 | 2022-01-07 | 中车太原机车车辆有限公司 | Railway freight car bearing earthing device |
| CN113904188B (en) * | 2021-09-09 | 2024-01-19 | 中车太原机车车辆有限公司 | Railway wagon bearing grounding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040526 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20070528 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070605 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20071016 |