CN216833669U - Bogie provided with eddy current brake mechanism - Google Patents
Bogie provided with eddy current brake mechanism Download PDFInfo
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- CN216833669U CN216833669U CN202220158274.3U CN202220158274U CN216833669U CN 216833669 U CN216833669 U CN 216833669U CN 202220158274 U CN202220158274 U CN 202220158274U CN 216833669 U CN216833669 U CN 216833669U
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- eddy current
- brake mechanism
- axle box
- current brake
- rectangular bracket
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Abstract
The utility model provides an installation eddy current brake mechanism's bogie relates to rail vehicle bogie technical field, and it includes the framework, is used for supporting eddy current brake mechanism's axle box device, eddy current brake mechanism and wheel pair, and the axle box 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 steering yoke hoop of the bogie axle box 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 the 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.
Description
Technical Field
The utility model relates to a rail vehicle bogie technical field, concretely relates to installation vortex arrestment mechanism's bogie.
Background
The bogie is an important part of the railway vehicle as a running gear of the railway vehicle, and the high-speed motor train unit has high running speed and long braking distance. If the eddy current braking mechanism is applied to the high-speed motor train unit, N/S levels of electromagnets of the eddy current braking mechanism are alternately arranged and keep a certain air gap with the steel rail; when the train runs, the steel rail cuts magnetic lines, the surface generates induction eddy current and the main magnetic field distorts, and the magnetic lines of force deflect to generate tangential component force, namely braking force; the non-adhesive braking force is generated through the eddy current effect, the emergency braking and the service braking functions are achieved, and the braking distance of the high-speed motor train unit can be effectively reduced by being applied in cooperation with other braking modes on the high-speed motor train unit.
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.
SUMMERY OF THE UTILITY MODEL
In order to solve traditional bogie and receive vehicle limit and the restriction of structural space, can't satisfy the bearing scheme of vortex brake mechanism hanging mode in axle box device below, can only assemble the undersized device that bears, can't satisfy structural strength's needs, influence the technical problem that train operation is safe, the utility model provides an installation vortex brake mechanism's bogie.
The utility model provides a technical scheme as follows that technical problem took:
a bogie for mounting an eddy current brake mechanism comprises a framework, an axle box device for supporting the eddy current brake mechanism, wheel pairs and the like, wherein the eddy current brake mechanism is mounted at the lower part of the framework and positioned between the two wheel pairs; 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 framework 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 a rotating arm hoop of the axle box through a bolt, and a bearing is installed in the rotating arm of the axle box; 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 utility model has the advantages that: the axle box device of the bogie 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 utility model discloses axle box device of bogie has satisfied axle box and eddy current brake's function and structural strength requirement, has realized bearing to eddy current brake mechanism under compact space.
Drawings
Fig. 1 is a schematic perspective view of a bogie with an eddy current braking mechanism according to the present invention.
Fig. 2 is a schematic side view of a bogie with an eddy current brake mechanism according to the present invention.
Fig. 3 is a schematic diagram of a partial explosion structure of a bogie provided with an eddy current braking mechanism according to the present invention.
Fig. 4 is a schematic view showing an assembly relationship of the frame, the eddy current brake mechanism, and the axle box assembly according to the present invention.
Fig. 5 is a schematic view showing an assembly relationship between the eddy current brake mechanism and the axle box device according to the present invention.
Fig. 6 is a schematic structural view of an axle box device according to the present invention.
Fig. 7 is a schematic structural view of the axle box assembly at another angle of view according to the present invention.
Fig. 8 is a schematic view of an exploded structure of the axle box device according to the present invention.
Fig. 9 is a schematic side view of the axle box device according to the present invention.
Fig. 10 is a schematic view of the gasket structure of the present invention.
Fig. 11 is a schematic view of the cross-sectional structure a-a in fig. 10.
Fig. 12 is a partially enlarged structural view of a portion I in fig. 11.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 12, a bogie with an eddy current brake mechanism according to the present invention includes: the vortex braking device comprises a framework 1, an axle box device 2 for supporting a vortex braking mechanism, the vortex braking mechanism 3 and wheel pairs 4, wherein the vortex braking mechanism 3 is arranged at the lower part of the framework 1 and is positioned between the two wheel pairs 4, and the axle box device 2 comprises an axle box rotating arm 2-1, an axle box rotating arm hoop 2-2, a corrugated pipe 2-3, a sealing gasket 2-4, an end cover 2-5, a lower backing plate 2-6 and a side backing plate 2-7; a rotating arm rubber node 2-1-1 at one end of an axle box rotating arm 2-1 is fixedly connected to a side beam rotating arm positioning seat 1-1 of a framework 1 through a rotating arm rubber node fixing seat 2-1-2, the bottom of the other end of the axle box rotating arm 2-1 is fixedly connected with the top of an axle box rotating arm hoop 2-2 through a bolt 2-8, and a bearing is installed in the axle box rotating arm 2-1. Four axle box devices 2 of the bogie, and each axle box device 2 is a two-body structure formed by an axle box rotating arm 2-1 and an axle box rotating arm hoop 2-2, so that the disassembly is convenient, and the wheel set 4 can be quickly replaced.
The lower part of the axle box rotating arm hoop 2-2 is provided with a rectangular bracket 2-2-1 for accommodating the bearing arm 3-1 of the eddy current brake mechanism 3, the opening direction of the rectangular bracket 2-2-1 is vertical to the direction of a central shaft of an inner bearing of the axle box rotating arm 2-1, a lower backing plate 2-6 is fixedly connected to the bottom of the inner side of the rectangular bracket 2-2-1, and two side backing plates 2-7 are symmetrically fixedly connected to the two inner side walls of the rectangular bracket 2-2-1. The rectangular bracket 2-2-1 is integrated with the axle box swivel arm hoop 2-2, so that the structure is compact in a limited space. The supporting seat 3-2 of the eddy current brake mechanism 3 is connected with the suspension mounting seat on the longitudinal beam of the framework 1 through a bolt, when in a relieving state, the air bag 3-4 of the suspension unit 3-3 of the eddy current brake mechanism 3 is inflated, the eddy current brake mechanism 3 is elastically supported on the framework 1 through the suspension unit 3-3, and the bearing arm 3-1 is suspended in the rectangular bracket 2-2-1. The outer side wall of the rectangular bracket 2-2-1 is fixedly connected with a triangular rib plate 2-9, so that the structural strength requirement can be met. In order to relieve the vertical impact of the bearing arm 3-1 and limit the transverse displacement of the eddy current brake mechanism 3, a lower backing plate 2-6 and two side backing plates 2-7 are arranged on the bottom surface and two side vertical surfaces of the inner cavity of the rectangular bracket 2-2-1 for buffering and limiting. The lower backing plates 2-6 and the side backing plates 2-7 are made of non-metal materials and have the functions of buffering and abrasion resistance. The lower cushion plate 2-6 and the side cushion plate 2-7 can be mounted on the three surfaces by means of bolt connection or can be mounted on the three surfaces by means of bonding. When the eddy current brake mechanism 3 is in a working state, the air bag 3-4 on the eddy current brake mechanism 3 exhausts air, the eddy current brake mechanism 3 descends to a lower height, the bearing arm 3-1 moves downwards to be in contact with the lower backing plate 2-6 in the rectangular bracket 2-2-1, so that the self weight of the eddy current brake mechanism 3 and the suction force between the eddy current brake mechanism and a steel rail are vertically borne by the rectangular bracket 2-2-1 through the bearing arm 3-1, and meanwhile, the transverse movement can be buffered and limited through the side backing plates 2-7.
One end of the corrugated pipe 2-3 is fixedly connected with the end part of one side opening of the rectangular bracket 2-2-1, and the other end of the corrugated pipe 2-3 is fixedly connected with the end part of one side of the carrying arm 3-1 of the eddy current brake mechanism 3; the end cover 2-5 is fixedly connected with the end part of the other side opening of the rectangular bracket 2-2-1 through a bolt, and the sealing gasket 2-4 is positioned between the rectangular bracket 2-2-1 and the end cover 2-5. The sealing gasket 2-4 is a rubber gasket, in order to prevent the rubber of the sealing gasket 2-4 from being compressed and deformed for a long time to influence the connection performance of the sealing gasket, a rigid metal gasket 2-4-1-1 is embedded at the joint of each bolt through hole 2-4-1 on the periphery of the sealing gasket 2-4, the rigid metal gasket is vulcanized on the rubber in a metal step gasket combination mode, and the sealing effect on the bearing arm 3-1 can be met through the corrugated pipe 2-3, the sealing gasket 2-4 and the end cover 2-5.
Claims (7)
1. A bogie for mounting an eddy current brake mechanism comprises a framework (1), an axle box device (2) for supporting the eddy current brake mechanism, the eddy current brake mechanism (3) and wheel pairs (4), wherein the eddy current brake mechanism (3) is mounted at the lower part of the framework (1) and positioned between the two wheel pairs (4), and the bogie is characterized in that the axle box device (2) comprises an axle box rotating arm (2-1), an axle box rotating arm hoop (2-2), a corrugated pipe (2-3), a sealing gasket (2-4), an end cover (2-5), a lower base plate (2-6) and side base plates (2-7);
a rotating arm rubber node (2-1-1) at one end of an axle box rotating arm (2-1) is fixedly connected to a side beam rotating arm positioning seat (1-1) of a framework (1) through a rotating arm rubber node fixing seat (2-1-2), the bottom of the other end of the axle box rotating arm (2-1) is fixedly connected with the top of an axle box rotating arm hoop (2-2) through a bolt (2-8), and a bearing is installed in the axle box rotating arm (2-1); the lower part of the axle box rotating arm hoop (2-2) is provided with a rectangular bracket (2-2-1) which is used for accommodating the opening at the two ends of a bearing arm (3-1) of the eddy current brake mechanism (3), the opening direction of the rectangular bracket (2-2-1) is vertical to the direction of a central shaft of a bearing in the axle box rotating arm (2-1), a lower backing plate (2-6) is fixedly connected to the bottom of the inner side of the rectangular bracket (2-2-1), and two side backing plates (2-7) are symmetrically fixedly connected to the two inner side walls of the rectangular bracket (2-2-1);
one end of the corrugated pipe (2-3) is fixedly connected with the opening end part at one side of the rectangular bracket (2-2-1), and the other end of the corrugated pipe (2-3) is fixedly connected with the end part at one side of the bearing arm (3-1) of the eddy current brake mechanism (3);
the end cover (2-5) is fixedly connected with the end part of the other side opening of the rectangular bracket (2-2-1) through a bolt, and the sealing gasket (2-4) is positioned between the rectangular bracket (2-2-1) and the end cover (2-5).
2. The bogie for installing the eddy current brake mechanism according to claim 1, wherein the outer side wall of the rectangular bracket (2-2-1) is fixedly connected with a triangular rib (2-9).
3. A bogie incorporating eddy current brake mechanism according to claim 1 where the lower bolster plates (2-6) and the side bolster plates (2-7) are non-metallic.
4. A bogie incorporating eddy current brake mechanism according to claim 1 characterized in that the lower bolster (2-6) and the side bolsters (2-7) are attached inside the rectangular bracket (2-2-1) by means of bolts or gluing.
5. A bogie incorporating an eddy current brake mechanism according to claim 1 where the gaskets (2-4) are rubber gaskets.
6. A bogie incorporating an eddy current brake mechanism according to claim 5, characterised in that the gasket (2-4) is provided with a ring of bolt through holes (2-4-1), the gasket (2-4) is connected to the end cap (2-5) through the bolt through holes (2-4-1), and the periphery of each bolt through hole (2-4-1) is vulcanized to the rubber pad in a manner of metal step pad bonding.
7. A bogie with an eddy current brake mechanism according to claim 1, characterized in that the support base (3-2) of the eddy current brake mechanism (3) is connected with the suspension mounting base on the longitudinal beam of the frame (1) by bolts, and in the relieving state, the air bag (3-4) of the suspension unit (3-3) of the eddy current brake mechanism (3) is inflated, and the eddy current brake mechanism (3) is elastically supported on the frame (1) by the suspension unit (3-3); when the vortex brake mechanism (3) works, the air bag (3-4) on the vortex brake mechanism (3) exhausts air, the vortex brake mechanism (3) descends to a high degree, and the bearing arm (3-1) is in contact with the lower cushion plate (2-6) in the rectangular bracket (2-2-1), so that the vortex brake mechanism (3) is supported on the axle box device (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220158274.3U CN216833669U (en) | 2022-01-20 | 2022-01-20 | Bogie provided with eddy current brake mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220158274.3U CN216833669U (en) | 2022-01-20 | 2022-01-20 | Bogie provided with eddy current brake mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN216833669U true CN216833669U (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220158274.3U Active CN216833669U (en) | 2022-01-20 | 2022-01-20 | Bogie provided with eddy current brake mechanism |
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| Country | Link |
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| CN (1) | CN216833669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228771A (en) * | 2022-01-20 | 2022-03-25 | 中车长春轨道客车股份有限公司 | Bogie provided with eddy current brake mechanism |
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2022
- 2022-01-20 CN CN202220158274.3U patent/CN216833669U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228771A (en) * | 2022-01-20 | 2022-03-25 | 中车长春轨道客车股份有限公司 | Bogie provided with eddy current brake mechanism |
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