CN114312895A - Axle box device for supporting eddy current brake mechanism for railway vehicle - Google Patents
Axle box device for supporting eddy current brake mechanism for railway vehicle Download PDFInfo
- Publication number
- CN114312895A CN114312895A CN202210064516.7A CN202210064516A CN114312895A CN 114312895 A CN114312895 A CN 114312895A CN 202210064516 A CN202210064516 A CN 202210064516A CN 114312895 A CN114312895 A CN 114312895A
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- Prior art keywords
- axle box
- eddy current
- brake mechanism
- rotating arm
- rectangular bracket
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- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 229910052755 nonmetal Inorganic materials 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model provides a rail vehicle is with axle box device that supports eddy current brake mechanism relates to rail vehicle bogie axle box device technical field, and the device includes axle box rocking arm, axle box rocking arm hoop, bellows, sealed pad, end cover, lower bolster and side bolster. The rectangular bracket at the lower part of the axle box rotating arm hoop has enough space to support and position the bearing arm of the eddy current brake mechanism so as to solve the vertical bearing problem of the eddy current brake mechanism in a working state; meanwhile, the bottom surface and the side vertical surface of the inner cavity of the rectangular bracket are buffered and limited by adopting the non-metal abrasion base plates, so that the vertical impact of a bearing arm of the eddy current braking mechanism is relieved, and the transverse displacement of the eddy current braking mechanism is limited; two ends of the rectangular bracket are respectively sealed in the form of a corrugated pipe and a sealing gasket, so that the sealing effect on the bearing arm of the eddy current braking mechanism is realized; the outer wall of the rectangular bracket is fixedly connected with the triangular rib plate, so that the structural strength requirement of the axle box device is met.
Description
Technical Field
The invention relates to the technical field of axle box devices of railway vehicle bogies, in particular to an axle box device for supporting an eddy current brake mechanism for a railway vehicle.
Background
The axle box device of the railway vehicle bogie is a component which is sleeved on a journal and connected with a wheel set and the bogie, and a bearing is pressed in the axle box device, so that the weight of a vehicle body can be loaded and transferred to the wheel set, and sliding friction is changed into rolling so as to realize the translation of the loaded vehicle body. However, after the eddy current braking system is introduced into a high-speed motor train unit with the speed of more than 300km/h, the eddy current braking mechanism is large in size, and in a working state, the bearing arm extending outwards from the eddy current braking mechanism needs to be supported, the traditional bogie axle box device is limited by vehicle limitations and structural space, cannot meet a bearing scheme of a hanging mode below the bearing arm, and only a bearing device with an excessively small size can be assembled. Under the severe working conditions of the high-speed motor train unit and under the condition that large suction force is generated between the eddy current brake mechanism and the steel rail under emergency braking, the small-size bearing device below the axle box device cannot meet the requirement on structural strength, and the running safety of a train is influenced.
Disclosure of Invention
The invention provides an axle box device for supporting an eddy current brake mechanism for a railway vehicle, and aims to solve the technical problems that the traditional axle box device for a bogie is limited by vehicle limitations and structural space, cannot meet the bearing scheme of a hanging mode below the axle box device, can only be assembled with a bearing device with an excessively small size, cannot meet the requirement of structural strength and influences the running safety of a train.
The technical scheme adopted by the invention for solving the technical problem is as follows:
an axle box device for supporting an eddy current brake mechanism for a rail vehicle is characterized by comprising an axle box rotating arm, an axle box rotating arm hoop, a corrugated pipe, a sealing gasket, an end cover, a lower backing plate and a side backing plate; a rotating arm rubber node at one end of a rotating arm of the axle box is fixedly connected to a side beam rotating arm positioning seat of the rail vehicle through a rotating arm rubber node fixing seat, the bottom of the other end of the rotating arm of the axle box is fixedly connected with the top of an axle box rotating arm hoop through a bolt, and a bearing is installed in the axle box rotating arm; the lower part of the axle box rotating arm hoop is provided with a rectangular bracket used for accommodating openings at two ends of a bearing arm of the eddy current brake mechanism, the opening direction of the rectangular bracket is vertical to the direction of a central shaft of a bearing in the axle box rotating arm, the lower backing plate is fixedly connected to the bottom of the inner side of the rectangular bracket, and the two side backing plates are symmetrically and fixedly connected to the two inner side walls of the rectangular bracket; one end of the corrugated pipe is fixedly connected with the end part of one side opening of the rectangular bracket, and the other end of the corrugated pipe is fixedly connected with the end part of one side of the carrying arm of the eddy current braking mechanism; the end cover is fixedly connected with the end part of the other side opening of the rectangular bracket through a bolt, and the sealing gasket is positioned between the rectangular bracket and the end cover.
The invention has the beneficial effects that: the axle box device is mainly a two-body axle box structure consisting of an axle box rotating arm and an axle box rotating arm hoop, and a rectangular bracket at the lower part of the axle box rotating arm hoop has enough space to support and position a bearing arm of the eddy current braking mechanism so as to solve the vertical bearing problem of the eddy current braking mechanism in a working state. Meanwhile, the bottom surface and the side vertical surface of the inner cavity of the rectangular bracket are buffered and limited by the non-metal abrasion base plates, so that the vertical impact of the bearing arm of the eddy current braking mechanism is relieved, and the transverse displacement of the eddy current braking mechanism is limited. Two ends of the rectangular bracket are respectively sealed in the form of a corrugated pipe and a sealing gasket, so that the sealing effect on the bearing arm of the eddy current braking mechanism is realized. The outer wall of the rectangular bracket is fixedly connected with the triangular rib plate, so that the structural strength requirement of the axle box device is met.
The axle box device meets the requirements of axle boxes and eddy current brake functions and structural strength, and realizes the bearing of an eddy current brake mechanism in a compact space.
Drawings
Fig. 1 is a schematic perspective view of an axle box assembly for supporting an eddy current brake mechanism for a railway vehicle according to the present invention.
Fig. 2 is a schematic perspective view of an axle box assembly for supporting an eddy current brake mechanism for a railway vehicle according to another aspect of the present invention.
Fig. 3 is a schematic view of a partially exploded structure of an axle box assembly for supporting a vortex brake mechanism for a railway vehicle according to the present invention.
Fig. 4 is a side view schematically showing the construction of the axle box assembly for supporting the eddy current brake mechanism for a railway vehicle according to the present invention.
Fig. 5 is a schematic view of the structure of the gasket of the present invention.
Fig. 6 is a schematic view of the AA cross-sectional structure of fig. 5.
Fig. 7 is a partially enlarged structural view of a portion I in fig. 6.
Fig. 8 is a schematic view of an application of the axle box apparatus for supporting the eddy current brake mechanism for a railway vehicle according to the present invention.
Fig. 9 is a schematic view of the partially exploded structure of fig. 8 with the rail vehicle frame removed.
Fig. 10 is a schematic view of another application of the axle box assembly for supporting the eddy current brake mechanism for a railway vehicle according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 10, the axle box apparatus for supporting an eddy current brake mechanism for a railway vehicle according to the present invention includes: the device comprises an axle box rotating arm 1, an axle box rotating arm hoop 2, a corrugated pipe 3, a sealing gasket 4, an end cover 5, a lower cushion plate 6 and a side cushion plate 7; a rotating arm rubber node 1-1 at one end of an axle box rotating arm 1 is fixedly connected to a side beam rotating arm positioning seat 11-1 of a side beam 11 of a rail vehicle through a rotating arm rubber node fixing seat 1-2, the bottom of the other end of the axle box rotating arm 1 is fixedly connected with the top of an axle box rotating arm hoop 2 through a bolt 8, and a bearing is installed in the axle box rotating arm 1. The two-body structure formed by the axle box rotating arm 1 and the axle box rotating arm hoop 2 is convenient to disassemble and disassemble, and the wheel set assembly 13 can be replaced quickly.
The lower part of the axle box rotating arm hoop 2 is provided with a rectangular bracket 2-1 which is used for accommodating the bearing arm 10-1 of the eddy current brake mechanism 10 and has two open ends, the opening direction of the rectangular bracket 2-1 is vertical to the direction of a central shaft of a bearing in the axle box rotating arm 1, a lower backing plate 6 is fixedly connected to the bottom of the inner side of the rectangular bracket 2-1, and two side backing plates 7 are symmetrically fixedly connected to the two inner side walls of the rectangular bracket 2-1. The rectangular bracket 2-1 is integrated with the axle box swivel arm hoop 2, so that the structure is compact in a limited space. When the eddy current brake mechanism is not in operation, the eddy current brake mechanism 10 is suspended below the frame 12, and the carrying arm 10-1 is suspended in the rectangular bracket 2-1. The outer side wall of the rectangular bracket 2-1 is fixedly connected with a triangular rib plate 9, so that the requirement on structural strength can be met. In order to relieve the vertical impact of the bearing arm 10-1 and limit the transverse displacement of the eddy current brake mechanism 10, a lower backing plate 6 and two side backing plates 7 are arranged on the bottom surface and two side vertical surfaces of the inner cavity of the rectangular bracket 2-1 for buffering and limiting. The lower backing plate 6 and the side backing plates 7 are made of non-metal materials and have the functions of buffering and abrasion resistance. The lower pad 6 and the side pads 7 may be attached to the three surfaces by bolting, or may be attached to the three surfaces by bonding. When the vehicle is pneumatically controlled to enable the eddy current brake mechanism 10 to descend to a working position, the bearing arm 10-1 moves downwards to fall on the lower backing plate 6, and meanwhile, the transverse movement can be buffered and limited through the side backing plate 7.
One end of the corrugated pipe 3 is fixedly connected with the end part of one side opening of the rectangular bracket 2-1, and the other end of the corrugated pipe 3 is fixedly connected with the end part of one side of the carrying arm 10-1 of the eddy current brake mechanism 10; the end cover 5 is fixedly connected with the end part of the other side opening of the rectangular bracket 2-1 through bolts, and the sealing gasket 4 is fixedly connected between the rectangular bracket 2-1 and the end cover 5 through peripheral bolts. The sealing gasket 4 is a rubber gasket, in order to prevent the rubber of the sealing gasket 4 from being compressed and deformed for a long time to influence the connection performance of the sealing gasket, a rigid metal gasket 4-1-1 is embedded at the joint of each bolt through hole 4-1 on the periphery of the sealing gasket 4, the rigid metal gasket 4-1 is vulcanized on the rubber in a metal step gasket combination mode, and the sealing effect on the bearing arm 10-1 can be met through the corrugated pipe 3, the sealing gasket 4 and the end cover 5.
Claims (6)
1. An axle box device for supporting an eddy current brake mechanism for a rail vehicle is characterized by comprising an axle box rotating arm (1), an axle box rotating arm hoop (2), a corrugated pipe (3), a sealing gasket (4), an end cover (5), a lower cushion plate (6) and a side cushion plate (7);
a rotating arm rubber node (1-1) at one end of an axle box rotating arm (1) is fixedly connected to a side beam rotating arm positioning seat of a railway vehicle through a rotating arm rubber node fixing seat (1-2), the bottom of the other end of the axle box rotating arm (1) is fixedly connected with the top of an axle box rotating arm hoop (2) through a bolt (8), and a bearing is installed in the axle box rotating arm (1); the lower part of the axle box rotating arm hoop (2) is provided with a rectangular bracket (2-1) which is used for accommodating the bearing arm (10-1) of the eddy current brake mechanism (10) and has openings at two ends, the opening direction of the rectangular bracket (2-1) is vertical to the direction of a central shaft of a bearing in the axle box rotating arm (1), a lower backing plate (6) is fixedly connected to the bottom of the inner side of the rectangular bracket (2-1), and two side backing plates (7) are symmetrically fixedly connected to two inner side walls of the rectangular bracket (2-1);
one end of the corrugated pipe (3) is fixedly connected with the end part of one side opening of the rectangular bracket (2-1), and the other end of the corrugated pipe (3) is fixedly connected with the end part of one side of the carrying arm (10-1) of the eddy current brake mechanism (10);
the end cover (5) is fixedly connected with the end part of the other side opening of the rectangular bracket (2-1) through a bolt, and the sealing gasket (4) is positioned between the rectangular bracket (2-1) and the end cover (5).
2. The axle box assembly for supporting a vortex brake mechanism for a railway vehicle according to claim 1, wherein a triangular rib (9) is attached to an outer side wall of the rectangular bracket (2-1).
3. The axle box assembly for supporting an eddy current brake mechanism for a railway vehicle according to claim 1, wherein the lower pad (6) and the side pads (7) are non-metallic pads.
4. An axle box assembly for supporting eddy current brake mechanism for railway vehicles according to claim 1, characterized in that the lower bolster (6) and the side bolsters (7) are fixed inside the rectangular bracket (2-1) by means of bolts or adhesive.
5. An axle-box arrangement for supporting an eddy current brake mechanism for a rail vehicle according to claim 1, characterised in that the gasket (4) is a rubber pad.
6. An axle box assembly for supporting an eddy current brake mechanism for a railway vehicle according to claim 5, wherein the gasket (4) is provided with a ring of bolt through holes (4-1), the gasket (4) is connected to the end cap (5) through the bolt through holes (4-1), and the periphery of each bolt through hole (4-1) is vulcanized to the rubber pad in a manner of being combined with the metal step pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210064516.7A CN114312895A (en) | 2022-01-20 | 2022-01-20 | Axle box device for supporting eddy current brake mechanism for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210064516.7A CN114312895A (en) | 2022-01-20 | 2022-01-20 | Axle box device for supporting eddy current brake mechanism for railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114312895A true CN114312895A (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210064516.7A Pending CN114312895A (en) | 2022-01-20 | 2022-01-20 | Axle box device for supporting eddy current brake mechanism for railway vehicle |
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| CN (1) | CN114312895A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0646512A1 (en) * | 1993-10-05 | 1995-04-05 | Gec Alsthom Transport Sa | Supporting device for an eddy current brake and running gear for a railway vehicle with such a device |
| CN106800029A (en) * | 2017-01-23 | 2017-06-06 | 中车长江车辆有限公司 | Roller bearing adapter stabilizer bar axle-box positioning device |
| CN109747676A (en) * | 2019-02-27 | 2019-05-14 | 中车青岛四方车辆研究所有限公司 | Rail vehicle truck and rail vehicle with eddy current braking device |
| CN214356026U (en) * | 2020-12-07 | 2021-10-08 | 西南交通大学 | Axle box suspension device for railway vehicle bogie |
| CN216833670U (en) * | 2022-01-20 | 2022-06-28 | 中车长春轨道客车股份有限公司 | Axle box device for supporting eddy current brake mechanism for railway vehicle |
-
2022
- 2022-01-20 CN CN202210064516.7A patent/CN114312895A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0646512A1 (en) * | 1993-10-05 | 1995-04-05 | Gec Alsthom Transport Sa | Supporting device for an eddy current brake and running gear for a railway vehicle with such a device |
| CN106800029A (en) * | 2017-01-23 | 2017-06-06 | 中车长江车辆有限公司 | Roller bearing adapter stabilizer bar axle-box positioning device |
| CN109747676A (en) * | 2019-02-27 | 2019-05-14 | 中车青岛四方车辆研究所有限公司 | Rail vehicle truck and rail vehicle with eddy current braking device |
| CN214356026U (en) * | 2020-12-07 | 2021-10-08 | 西南交通大学 | Axle box suspension device for railway vehicle bogie |
| CN216833670U (en) * | 2022-01-20 | 2022-06-28 | 中车长春轨道客车股份有限公司 | Axle box device for supporting eddy current brake mechanism for railway vehicle |
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