CN214648293U - Bogie axle box with overload self-adjusting structure for high-speed train - Google Patents
Bogie axle box with overload self-adjusting structure for high-speed train Download PDFInfo
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- CN214648293U CN214648293U CN202121059727.9U CN202121059727U CN214648293U CN 214648293 U CN214648293 U CN 214648293U CN 202121059727 U CN202121059727 U CN 202121059727U CN 214648293 U CN214648293 U CN 214648293U
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Abstract
The utility model discloses a high-speed train is with bogie axle box with overload self-adjusting structure, including bogie casing, axle box casing, variable track pitch mechanism, still include: an air spring located at a gap between the bogie housing and the axle box housing; the support piece is arranged at one end of the axle box shell, which is contacted with the axle box support rail; a first groove opened outside the axle box housing; and the detection piece is acted on the first groove and the sinking track of the track changing device and can inform a driver of the track gauge changing state. The utility model discloses in, when accomplishing the variable gauge, the adjustment wheel is to the distance after accomplishing, under the elastic action of first spring and second spring, realizes the separation of second connecting rod and pressure switch to open circuit reminds the operating personnel spacer pin in the control room to lock again, can effectively inform the real-time status of the variable gauge operation of operating personnel in the control room.
Description
Technical Field
The utility model relates to a high-speed train becomes gauge technical field, especially relates to a bogie axle box for high-speed train with overload self-adjusting structure.
Background
With the rapid development of global economy integration, the transnational passenger and cargo transportation is rapidly increased in recent years, but due to different rail gauges of railways of different countries, the transnational railway transportation is seriously hindered. In order to solve the problem that different track gauges of railways of various countries obstruct transnational railway transportation, a variable-gauge train is proposed, namely, when the train runs to railways of other countries, the track gauge of the railways of other countries is adapted by changing the distance between wheels on the wheel pair of the train.
In order to realize automatic track gauge changing of the train, the bogie and a ground device are required to be perfectly matched, and the process is divided into five steps in total: firstly, wheels are driven into a sinking track of a ground track transfer device, so that axle boxes which are originally suspended outside the wheels are dropped on axle boxes and dropped on support tracks, the axle boxes start to contact the support tracks and support the weight of a train, the weight of the train is transferred to the axle boxes from the wheels, the wheels are suspended at the moment, and the train can still go ahead due to the fact that other carriages with power still run and the axle boxes and the support tracks are in sliding friction; secondly, opening a lock pin for keeping the distance between the wheel pairs through an unlocking guide rail of the ground track transfer device; thirdly, applying an outward and inward force to the wheels through the guide rails to expand or reduce the distance between the wheels; fourthly, inserting a lock pin into a new position through a guide rail of the ground track transfer device to determine the position relation between a new wheel and an axle; and fifthly, enabling the wheels to be in contact with the track again, and transferring the weight of the train back to the wheels from the axle boxes. However, in the whole rail transferring process, the axle box and the axle box support rail need to be subjected to sliding friction, and lubricant needs to be continuously sprayed onto the rail, so that the rail transferring process can play a role in supporting and is beneficial to keeping a vehicle moving forward, but the mode is high in maintenance cost, and meanwhile, the friction force is large, so that the abrasion of the axle box support rail is serious, Chinese midrange vehicles change a flat axle box support rail into hundreds of rollers, the sliding friction is changed into rolling friction, the friction force is reduced, the lubricant does not need to be used, but the construction cost of the rollers arranged on the vertical direction and the transverse direction of the axle box support rail is high, along with long-term use, the inevitable friction between the rollers and the axle box causes the detection inaccuracy of a distance sensor between the detection rollers and the axle box, so that a driver in a cab cannot accurately judge whether the rail transferring operation is completed, and the use defect is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the above problems, a bogie axle box for a high-speed train having an overload self-adjusting structure has been proposed.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bogie axle box with an overload self-adjusting structure for a high-speed train comprises a bogie shell, an axle box shell and a track pitch changing mechanism, and further comprises:
an air spring located at a gap between the bogie housing and the axle box housing;
the support piece is arranged at one end of the axle box shell, which is contacted with the axle box support rail;
a first groove opened outside the axle box housing;
and the detection piece is acted on the first groove and the sinking track of the track changing device and can inform a driver of the track gauge changing state.
As a further description of the above technical solution:
the support member includes a support arm fixed to a bottom end of the axle housing and a first rotating wheel rotatably connected to the support arm by a pin.
As a further description of the above technical solution:
the detection piece comprises a first connecting rod penetrating through the axle box shell, a connecting platform is arranged at one end, close to the sinking track, of the first connecting rod, a limiting rod located in a limiting guide rail guide groove is arranged at one end, far away from the axle box supporting rail, of the connecting platform, a moving platform is arranged at one end, far away from the sinking track, of the first connecting rod, and a transmission piece matched with the moving platform for transmission is arranged in the axle box shell.
As a further description of the above technical solution:
the driving medium is including seting up the third recess on locating notch on the mobile station and seting up on axle box shell, the third recess rigid coupling has pressure switch and fixed plate respectively, sliding connection has the second connecting rod on the fixed plate, second connecting rod tip fixedly connected with and the transmission piece of locating notch looks adaptation, the transmission piece passes through second spring and fixed plate elastic connection.
As a further description of the above technical solution:
and a first spring which can reset the mobile station is arranged between the mobile station and the inner surface wall of the bottom end of the first groove.
As a further description of the above technical solution:
limiting plates are arranged on two sides of the mobile station, and limiting grooves matched with the limiting plates are formed in the inner surface walls of the two sides of the first groove.
As a further description of the above technical solution:
a second groove is formed in the axle box shell, a fixed rod is arranged in the second groove, and a limiting wheel is rotatably connected to the fixed rod.
As a further description of the above technical solution:
the first rotating wheel is provided with a conical tread.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. in the utility model, when the axle box shell slides on the axle box supporting rail, the first connecting rod rises, the first connecting rod drives the mobile station to move, the movement of the mobile station in the vertical direction is converted into the movement of the transmission block and the second connecting rod in the horizontal direction, the transmission block is elastically connected with the fixed plate through the second spring, when the second connecting rod is abutted against the pressure switch, the pressure switch can conduct a circuit, sends a signal and feeds back the signal to the state change switch of the train control room to remind the operator in the control room that the spacing pin is successfully unlocked, when the track gauge change is completed, after the distance of the wheel pair is adjusted, under the elastic action of the first spring and the second spring, the separation of the second connecting rod and the pressure switch is realized, therefore, the circuit is disconnected, the operator in the control room is reminded that the limiting pin is locked again, and the real-time state of the variable-gauge operation of the operator in the control room can be effectively informed.
2. The utility model discloses in, through the setting of first rotating wheel, reduced and reformed transform axle box support rail and for the cost of roller, turned into normal running fit with sliding fit equally, can reduce axle box shell and axle box support rail frictional force, reduce wearing and tearing to reduce the change track pitch time, improved efficiency.
3. The utility model discloses in, the device of becoming rail need not to carry out special heat preservation and handles, and the application maintenance cost is lower, when the train passes through the ground device with the speed of every hour 15/km, just can accomplish a bogie becomes the rail in 10s, then can accomplish the change rail of whole train in the three minutes, has reduced the latency of passing different gauges greatly.
Drawings
Fig. 1 is a schematic side view of a bogie axle box for a high-speed train having an overload self-adjusting structure according to the present invention;
fig. 2 is a schematic view of a partially enlarged structure a of fig. 1 of a bogie axle box for a high-speed train having an overload self-adjusting structure according to the present invention;
fig. 3 is a schematic front view of a bogie axle box with an overload self-adjusting structure for a high-speed train according to the present invention;
fig. 4 is a schematic diagram of a partial enlarged structure B in fig. 3 of the bogie axle box for a high-speed train with an overload self-adjusting structure according to the present invention;
fig. 5 is a schematic cross-sectional view of an axle box housing of a bogie axle box for a high-speed train having an overload self-adjusting structure according to the present invention;
fig. 6 is a schematic diagram of a partial enlarged structure C in fig. 5 of a bogie axle box for a high-speed train having an overload self-adjusting structure according to the present invention.
Illustration of the drawings:
1. a bogie housing; 2. an axle housing shell; 3. a track pitch changing mechanism; 4. an air spring; 5. a first groove; 6. a support arm; 7. a first rotating wheel; 8. a second groove; 9. a limiting wheel; 10. fixing the rod; 11. a first connecting rod; 12. a connecting table; 13. a limiting rod; 14. a limiting groove; 15. a limiting plate; 16. a mobile station; 17. a first spring; 18. a positioning notch; 19. a transmission block; 20. a third groove; 21. a fixing plate; 22. a pressure switch; 23. a second connecting rod; 24. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a high-speed train is with bogie axle box with overload self-adjusting structure, includes bogie housing 1, axle box housing 2, becomes gauge mechanism 3, and axle box support rail is prior art with the track that sinks, and axle box support rail can support train weight, shifts the weight of vehicle to the axle box by the wheel, and the track that sinks makes the wheel outside originally unsettled axle box fall on the axle box falls on supporting rail, still includes:
the air spring 4 is positioned at the gap between the bogie housing 1 and the axle box housing 2, the air spring 4 can play a role in shock absorption, and the bogie housing 1 and the axle box housing 2 are elastically connected through the air spring 4;
the supporting piece is arranged at one end, in contact with the axle box supporting rail, of the axle box shell 2 and comprises a supporting arm 6 fixed at the bottom end of the axle box shell 2 and a first rotating wheel 7 rotatably connected with the supporting arm 6 through a pin shaft, the first rotating wheel 7 is abutted to the axle box supporting rail, a tapered tread is arranged on the first rotating wheel 7, the axle box supporting rail is provided with a bearing surface matched with the tapered tread, the walking distance of wheels can be adjusted through the tapered tread, the cost for transforming the axle box supporting rail into a roller is reduced through the arrangement of the first rotating wheel 7, sliding fit is converted into rotating fit, the friction force between the axle box shell 2 and the axle box supporting rail can be reduced, abrasion is reduced, the time for changing the rail distance is reduced, and the efficiency is improved;
the first groove 5 is formed in the axle box shell 2, and the first groove 5 penetrates through the axle box shell 2;
the detection part acts on a sinking track of the first groove 5 and the track-changing device and can inform a driver of a track-changing state, the detection part comprises a first connecting rod 11 penetrating through the axle box shell 2, one end, close to the sinking track, of the first connecting rod 11 is fixedly provided with a connecting table 12, one end, far away from the axle box support track, of the connecting table 12 is provided with a limiting rod 13 located in a limiting guide rail guide groove, the limiting guide rail is fixed on the ground, the limiting guide rail guide groove is obliquely arranged, the limiting guide rail is matched with the limiting rod 13 and can prevent a train from deviating, the top end of the first connecting rod 11 is fixedly connected with a movable table 16, a first spring 17 capable of enabling the movable table 16 to reset is arranged between the movable table 16 and the inner surface wall at the bottom end of the first groove 5, the movable table 16 is elastically connected with the inner surface wall of the first groove 5 through the first spring 17, and a transmission part which is matched with the movable table 16 is arranged in the axle box shell 2.
Specifically, as shown in fig. 4 and 6, the transmission member includes a positioning slot 18 formed on the moving stage 16, the cross section of the positioning slot 18 is triangular, and a third groove 20 formed on the axle box housing 2, the third groove 20 is respectively and fixedly connected with a pressure switch 22 and a fixing plate 21, the pressure switch 22 is fixedly connected with the end of the third groove 20, the fixing plate 21 is slidably connected with a second connecting rod 23, the end of the second connecting rod 23 is fixedly connected with a transmission block 19 adapted to the positioning slot 18, the transmission block 19 of the moving stage 16 is slidably fitted, when the axle box housing 2 slides on the axle box support rail, the first connecting rod 11 is lifted, the first connecting rod 11 drives the moving stage 16 to move, the movement of the moving stage 16 in the vertical direction is converted into the movement of the transmission block 19 and the second connecting rod 23 in the horizontal direction, the transmission block 19 is elastically connected to the fixing plate 21 through a second spring 24, when the second connecting rod 23 is abutted to the pressure switch 22, the pressure switch 22 can be conducted to send a signal to the state change switch of the train control room, the situation that the limiting pin of an operator in the control room is unlocked successfully is reminded, when the track gauge is changed, after the distance of the wheel pair is adjusted, the second connecting rod 23 is separated from the pressure switch 22 under the elastic action of the first spring 17 and the second spring 24, the circuit is disconnected, and the situation that the limiting pin of the operator in the control room is relocked is reminded.
Specifically, as shown in fig. 1 and 4, the outer surface wall of the mobile station 16 and the two ends of the first groove 5 corresponding to the inner surface wall are fixedly connected with limit plates 15, the limit grooves 14 matched with the limit plates 15 are formed in the inner surface walls of the two sides of the first groove 5, and the limit plates 15 and the limit grooves 14 are matched to prevent the mobile station 16 from deviating in the moving process.
Specifically, as shown in fig. 1 and 2, a second groove 8 is formed in the axle box housing 2, a fixing rod 10 is disposed in the second groove 8, a limiting wheel 9 is rotatably connected to the fixing rod 10, and the limiting wheel 9 abuts against the side surface of the guide rail, so that the sliding effect can be further improved.
The working principle is as follows: when the axle box shell 2 slides on the axle box supporting rail, the first connecting rod 11 is lifted, the first connecting rod 11 drives the moving platform 16 to move, the movement of the moving platform 16 in the vertical direction is converted into the movement of the transmission block 19 and the second connecting rod 23 in the horizontal direction, the transmission block 19 is elastically connected with the fixed plate 21 through the second spring 24, when the second connecting rod 23 is abutted against the pressure switch 22, the pressure switch 22 can conduct a circuit and send a signal to the state change switch of the train control room to remind an operator in the control room that the limit pin is successfully unlocked, when the track changing is completed and the wheel pair distance is adjusted, the second connecting rod 23 is separated from the pressure switch 22 under the elastic action of the first spring 17 and the second spring 24, so that the circuit is disconnected to remind the operator in the control room that the limit pin is relocked, and the real-time state of the track changing operation of the operator in the control room can be effectively informed, through the setting of first change wheel 7, the cost of reforming transform axle box support rail for the roller has been reduced, turn into normal running fit with sliding fit equally, can reduce axle box housing 2 and axle box support rail frictional force, reduce wearing and tearing, thereby reduce the track transfer time, the efficiency is improved, and the track transfer device need not to carry out special heat preservation and handles, the application maintenance cost is lower, when the train passes through ground device with the speed of every hour 15/km, just can accomplish a bogie change rail in 10s, then can accomplish the change rail of whole train in the three minutes, the latency of passing different track gauges has been reduced greatly.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a high-speed train is with bogie axle box of overload self-adjusting structure, includes bogie housing (1), axlebox housing (2), roll-over mechanism (3), its characterized in that still includes:
an air spring (4), the air spring (4) being located at a gap between the bogie housing (1) and the axle box housing (2);
the support piece is used for reducing the friction force between the axle box shell (2) and the axle box support rail and is arranged at one end of the axle box shell (2) which is contacted with the axle box support rail;
a first groove (5), said first groove (5) opening out outside the axle box housing (2);
and a detecting member which acts on the first groove (5) and the sinking track of the track changing device and can inform a driver of the track gauge changing state.
2. A bogie axle box with self-aligning overload structure for high-speed trains according to claim 1, characterized in that the support comprises a support arm (6) fixed to the bottom end of the axle box housing (2) and a first turning wheel (7) pivotally connected to the support arm (6) by a pin.
3. The bogie axle box with the overload self-adjusting structure for the high-speed train according to claim 1, wherein the detecting member comprises a first connecting rod (11) penetrating through an axle box housing (2), a connecting platform (12) is arranged at one end of the first connecting rod (11) close to the sinking rail, a limiting rod (13) positioned in a limiting guide rail guide groove is arranged at one end of the connecting platform (12) far away from the axle box support rail, a moving platform (16) is arranged at one end of the first connecting rod (11) far away from the sinking rail, and a transmission member matched with the moving platform (16) for transmission is arranged in the axle box housing (2).
4. The bogie axle box with the overload self-adjusting structure for the high-speed train according to claim 3, wherein the transmission member comprises a positioning notch (18) formed on the moving platform (16) and a third groove (20) formed on the axle box housing (2), the third groove (20) is respectively and fixedly connected with a pressure switch (22) and a fixed plate (21), the fixed plate (21) is slidably connected with a second connecting rod (23), the end of the second connecting rod (23) is fixedly connected with a transmission block (19) matched with the positioning notch (18), and the transmission block (19) is elastically connected with the fixed plate (21) through a second spring (24).
5. A bogie axle box with self-aligning overload structure for high-speed trains according to claim 3, characterized in that a first spring (17) is provided between the mobile station (16) and the inner surface wall of the bottom end of the first recess (5) to return the mobile station (16).
6. The bogie axle box with the overload self-adjusting structure for the high-speed train according to claim 3, wherein limiting plates (15) are arranged on both sides of the moving platform (16), and limiting grooves (14) matched with the limiting plates (15) are formed in the inner surface walls of both sides of the first groove (5).
7. The bogie axle box with overload self-adjusting structure for high-speed train according to claim 1, wherein the axle box housing (2) is provided with a second groove (8), a fixing rod (10) is arranged in the second groove (8), and a limiting wheel (9) is rotatably connected to the fixing rod (10).
8. The axle box of a bogie for high speed train with self-adjusting structure for overload according to claim 2, characterized in that the first turning wheel (7) is provided with a tapered tread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121059727.9U CN214648293U (en) | 2021-05-18 | 2021-05-18 | Bogie axle box with overload self-adjusting structure for high-speed train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121059727.9U CN214648293U (en) | 2021-05-18 | 2021-05-18 | Bogie axle box with overload self-adjusting structure for high-speed train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214648293U true CN214648293U (en) | 2021-11-09 |
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ID=78484731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121059727.9U Active CN214648293U (en) | 2021-05-18 | 2021-05-18 | Bogie axle box with overload self-adjusting structure for high-speed train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214648293U (en) |
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2021
- 2021-05-18 CN CN202121059727.9U patent/CN214648293U/en active Active
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