CN113830123A - Wheel set for rail vehicle variable-gauge bogie and bogie - Google Patents
Wheel set for rail vehicle variable-gauge bogie and bogie Download PDFInfo
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- CN113830123A CN113830123A CN202111333638.3A CN202111333638A CN113830123A CN 113830123 A CN113830123 A CN 113830123A CN 202111333638 A CN202111333638 A CN 202111333638A CN 113830123 A CN113830123 A CN 113830123A
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- locking
- bearing
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- track
- bogie
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F7/00—Rail vehicles equipped for use on tracks of different width
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B17/00—Wheels characterised by rail-engaging elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
- B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
- B61C9/50—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F15/00—Axle-boxes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides a wheel set for a track-variable bogie of a railway vehicle and the bogie, wherein the wheel set for the track-variable bogie comprises wheels arranged on an axle and a track-variable device arranged on the wheels; the rail transfer device comprises a bearing sleeve, a bearing assembly and at least two locking units; the bearing sleeves are arranged in the axle boxes at two ends of the axle, and can axially move along the inner walls of the axle boxes; the bearing assembly comprises a first bearing and a second bearing, an inner ring of the first bearing is fixedly connected to the periphery of the connecting sleeve, and an outer ring of the first bearing is arranged on the inner side of the bearing sleeve; the inner ring of the second bearing is fixedly connected to the axle, and the outer ring of the second bearing is arranged on the end cover; the locking units are axially arranged on the shaft box body at intervals, and the bearing sleeve has at least two locking states. The invention adopts a simple and reliable variable-track-pitch bogie which can meet the meter gauge limit condition so as to realize interconnection and intercommunication between the standard track and the meter gauge of the railway vehicle.
Description
Technical Field
The invention belongs to the technical field of railway vehicles, and particularly relates to a wheel pair for a track gauge-variable bogie of a railway vehicle and the bogie.
Background
Systematic studies of the variable track pitch technology dates back to the last 60 s. Most typically, the Talgo distance-changing system in Spain has a history of more than 50 years, and is mature in technology and rich in operation experience. Then, other countries in europe develop researches on track-distance changing technologies, such as the polish SUW2000 track-distance changing wheel pair, the germany DB AG Rafil Type V track-distance changing wheel pair, and the BRAVA track-distance changing bogie developed by spanish CAF corporation. In the past 90 s of japan, a "variable gauge train" plan was made, aiming at solving the problem of the inter-transportation between the standard rail and the existing narrow-gauge line of the new trunk line, and a variable gauge train of 3 s has been developed so far. Other track-variable technologies mainly include a swiss EV09 track-variable bogie, a korean KGCW track-variable wheel pair, a spanish OGI track-variable axle system, a russian boctk-3 anaA type tank truck track-variable bogie, a bulgarian track-variable wheel pair, and the like.
The track gauge difference between the standard track gauge and the wide track is smaller than 85mm, wheel set track change and locking mechanisms are easy to realize, vehicle clearance is easy to meet, and the track change bogie is easy to realize technically.
And the track gauge difference between the standard track gauge and the narrow gauge meter gauge is larger than 435mm, the traditional wheel set track change and locking mechanism is difficult to realize, the vehicle limit is difficult to meet, the motor and the basic braking device are difficult to arrange, and the technical difficulty of the track change bogie is larger.
The Chinese invention patent ZL201810732522.9 discloses a wheel pair for a track gauge-variable bogie of a railway vehicle and the bogie, which comprises wheels, axles and a locking assembly; a connecting sleeve extends outwards from the outer side of a wheel hub of the wheel, an inner spline is arranged on the inner periphery of the wheel hub of the wheel and/or the inner periphery of the connecting sleeve, outer splines matched with the inner splines are respectively arranged at two ends of an axle, and the wheel and the axle are connected through the inner splines and the outer splines. The locking assembly is respectively pressed and installed on the periphery of a connecting sleeve of a wheel and is positioned in a shaft box body at two ends of an axle, the locking assembly comprises a group of bearing assemblies, a bearing outer sleeve and a locking rod, the inner periphery of the bearing outer sleeve is provided with an annular positioning boss, and the annular positioning boss divides the inner peripheral surface of the bearing outer sleeve into a pressing working surface and a locking working surface. The inner ring of the bearing assembly is pressed on the periphery of the connecting sleeve, the outer ring of the bearing assembly is pressed on the press-fitting working surface of the bearing outer sleeve, and the bearing outer sleeve is in clearance fit with the shaft box body. The locking working surface is provided with a plurality of inner ring grooves at intervals along the axial direction, and is provided with a sliding groove which axially penetrates through the inner ring grooves, and the bottom of the shaft box body is provided with a matching hole corresponding to the sliding groove. Its check lock pole includes locking head and unblock head, and locking head is arranged in the card to be gone into locking wheel and axle box body in the inner ring groove, and the unblock head extends sliding tray and mating holes to can make locking head switch between a plurality of inner ring grooves under the exogenic action, in order to realize the wheel transform gauge. However, the rail-changing structure cannot adapt to rail changing with large displacement, such as rail changing from a standard gauge to a meter gauge, with one set of bearings and one locking mechanism for each axle box.
Disclosure of Invention
The invention aims to provide a wheel pair for a track gauge-variable bogie of a railway vehicle and the bogie, so as to solve the technical problem of interconnection and intercommunication between standard rails and meter rails of the railway vehicle.
In order to solve the technical problems, the specific technical scheme of the invention is as follows:
a wheel pair for a track-variable bogie comprises wheels mounted on an axle, axle boxes arranged at two ends of the axle and a track-changing device; the wheel hub of the wheel is positioned outside the wheel and extends outwards to form a connecting sleeve, the rail transfer device is arranged on the periphery of the connecting sleeve and is positioned in the axle box, and the axle box comprises an axle box body and an end cover arranged on the axle box body;
the rail transfer device comprises a bearing sleeve, a bearing assembly and at least two locking units; the bearing sleeve is arranged in the axle box and can axially move along the inner wall of the axle box;
the bearing assembly comprises a first bearing and a second bearing, an inner ring of the first bearing is fixedly connected to the periphery of the connecting sleeve, and an outer ring of the first bearing is arranged on the inner side of the bearing sleeve; the inner ring of the second bearing is fixedly connected to the axle, and the outer ring of the second bearing is arranged on the end cover;
the locking unit axial interval sets up on the axle box body, the bearing housing has two at least locking states, when the bearing housing cooperates spacingly with first locking unit, be first locking state, when the bearing housing cooperates spacingly with second locking unit, be second locking state.
Therefore, the wheel set axle box rail transfer device with the double locking units and the double bearings is adopted, and the large-range axial movement of wheels relative to the axle box body and the axle can be realized, so that the rail transfer purpose is achieved. Two locking unit axial interval sets up on the axle box for the device of becoming rail possesses two kinds of locking states: and the meter gauge state and the standard gauge state are used for realizing interconnection and intercommunication between the standard gauge and the meter gauge of the locomotive or the motor train unit.
Specifically, be equipped with first locking unit and second locking unit on the axle box body, the bearing housing has two locking state: a meter-gauge state and a gauge-gauge state;
the axle box body is provided with a first locking unit and a second locking unit, and the first locking unit is clamped into the limiting groove of the bearing sleeve when the wheels are in a meter-gauge state;
and when the wheel is in a standard rail state, the second locking unit is clamped into the limiting groove of the bearing sleeve.
Further, be equipped with a plurality of mounting holes on the axle box body, locking unit set up in the mounting hole, locking unit includes elastic component, fitting pin and locking gland, locking gland set up in the outer wall of axle box body, the fitting pin sets up locking gland is last and to extend in the axle box body, the fitting pin is in be equipped with the locking dish in the mounting hole, be equipped with the elastic component between locking dish and the locking gland.
Still further, the fitting pin includes locking head and tapered end, locking head card is gone into the spacing inslot of bearing housing will the bearing housing locking, the tapered end of separating extends locking gland, the tapered end of separating will under the exogenic action locking head with the spacing groove separation, specifically, because locking gland is fixed on the axle box body, consequently locking dish upward movement under the effect of elastic component elasticity drives locking head card is gone into the spacing inslot of bearing housing. Under the action of external force, the unlocking head drives the locking disc to move downwards to compress the elastic piece, and meanwhile, the locking head is separated from the limiting groove to complete unlocking.
In addition, the end of the axle is provided with a speed measuring fluted disc.
Based on the same conception, the invention also provides a track-variable bogie for the railway vehicle, which comprises a framework and a primary suspension device arranged on the framework, wherein the framework is provided with the wheel set for the track-variable bogie through the primary suspension device, and the wheel set is driven through a motor driving device.
Further, the motor driving device comprises a traction motor, a disc brake and a gear box, wherein one end of the gear box is arranged on an axle, and the other end of the gear box is connected with the traction motor through a coupler; the disc brake comprises an input shaft disc brake device and an output shaft disc brake device, the input shaft disc brake device is arranged on the non-motor side of the input shaft end of the gear box, and the output shaft disc brake device is arranged on the axle.
Furthermore, two groups of motor driving devices are arranged on the framework, and each group of motor driving devices comprises a one-position wheel pair motor drive and a two-position wheel pair motor drive;
the arrangement mode of the two-position wheel pair motor drive is consistent with the arrangement mode of the one-position wheel pair motor drive after being mirrored relative to the longitudinal center line of the bogie, so that the uniform distribution of loads of the left wheel and the right wheel is ensured; or
The one-position wheel pair motor drive and the two-position wheel pair motor drive are oppositely arranged.
Still further, the gearbox is suspended from the cross beams and/or end beams of the frame by means of hangers.
Further, one side of the traction motor is mounted on a cross beam and/or an end beam of the frame and arranged outside the wheels in both the longitudinal and transverse directions of the bogie.
Furthermore, the input shaft unit brake and the output shaft unit brake are mounted obliquely on the cross beam and/or end beam of the frame.
The wheel pair for the track gauge-variable bogie of the railway vehicle and the bogie have the following advantages: the simple and reliable track-distance-variable bogie capable of meeting meter gauge limit conditions is realized through the arrangement of wheel set motor drive, a track-changing mechanism and two sets of locking mechanisms integrated by an axle box, wheels and an axle, so that the interconnection and intercommunication between the standard rail and the meter rail of a locomotive or a motor train unit are realized.
Drawings
FIG. 1 is a top plan view of the truck of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1 (rail state);
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a cross-sectional view A-A of FIG. 1 (meter gauge state);
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is a wheel-to-motor drive arrangement of the present invention;
FIG. 7 is a front view of the truck of the present invention;
FIG. 8 is a motor mounting diagram of the present invention;
FIG. 9 is a gear box installation view of the present invention;
FIG. 10 is a foundation brake layout of the present invention.
The notation in the figure is: 1. a frame; 2. a single-wheel motor drive; 3. two-position wheel pair motor drive; 4. primary suspension; 5. a secondary steel spring; 6. a middle single draw bar; 7. a transverse damper; 8. a vertical shock absorber; 9. an output shaft unit brake; 10. an input shaft unit brake; 21. an axle box; 22. a wheel; 23. an input shaft disc brake device; 24. a gear case; 25. a coupling; 26. an axle; 27. an output shaft disc brake device; 28. a traction motor; 101. a front end beam; 102. a cross beam; 103. a rear end beam; 211. a shaft box body; 212. a bearing housing; 213. a first bearing; 214. a second bearing; 215. an end cap; 217. locking the gland; 218. a locking disc; 219. an elastic member; 220. a hub; 221. a limiting groove; 222. connecting sleeves; 223. a locking pin; 224. a first locking unit; 225. a second locking unit; 240. a gear housing; 241. a driven gear; 242. an intermediate wheel; 243. a driving gear; 244. and (4) hanging.
Detailed Description
For a better understanding of the objects, structure and function of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.
As shown in fig. 1 and 7, the track-variable bogie for railway vehicles of the present invention comprises a frame 1, a primary suspension 4, a secondary steel spring 5, an intermediate single traction rod 6, a motor driving device, a vertical damper 8, a transverse damper 7, an output shaft unit brake 9 and an input shaft unit brake 10; the primary suspension 4 comprises a steel spring and a single-axle box pull rod, the framework is provided with a wheel set for a variable-gauge bogie through the primary suspension device 4, and the wheel set is driven by the motor driving device.
As shown in fig. 4 and 5, the wheel pair includes wheels 22, axles 26 and a track transfer device; the hub 220 of the wheel 22 is located outside the wheel 22 and extends outwards to form a connecting sleeve 222, in order to ensure sufficient strength, the connecting sleeve 222 and the hub 220 of the wheel 22 are preferably integrally formed to form a lengthened hub, the wheel 22 is driven to move or be locked by directly utilizing a rail transfer device, the operation is simple, the adjustment is convenient, and the improvement on the wheel 22 is small; the inner periphery of the hub of the wheel 22 and/or the inner periphery of the connecting sleeve 222 are/is provided with an internal spline, two ends of the axle 26 are respectively provided with an external spline matched with the internal spline, the wheel 22 and the axle 26 are connected with the external spline through the internal spline, the track changing device is installed on the outer periphery of the connecting sleeve 222 and is positioned in the axle boxes 21 at two ends of the axle 26, and each axle box 21 comprises an axle box body 211 and an end cover 215 installed on the axle box body 211; a speed measuring fluted disc 216 is arranged at the end part of the axle 26; the above mechanism can realize the axial movement of the wheel 22 relative to the axle box body 211 and the axle 26, thereby achieving the purpose of rail change.
As shown in fig. 3 and 4, the rail transferring device includes a bearing housing 212, a bearing assembly and at least two locking units; the bearing housing 212 is disposed in the axle box 21, and the bearing housing 212 is axially movable along an inner wall of the axle box 21; the bearing assembly comprises a first bearing 213 and a second bearing 214, wherein the inner ring of the first bearing 213 is fixedly connected with the periphery of the connecting sleeve 222, and the outer ring of the first bearing 213 is arranged at the inner side of the bearing sleeve 212; the inner ring of the second bearing 214 is fixedly connected to the axle 26, and the outer ring of the second bearing 214 is mounted on the end cover 215; as shown in fig. 2 and 4, the locking units are axially arranged on the shaft box 211 at intervals, the bearing sleeve 212 has at least two locking states, the bearing sleeve 212 is matched and limited with a first locking unit when moving to a first locking state, and the bearing sleeve 212 is matched and limited with a second locking unit when moving to a second locking state.
As shown in fig. 3, a plurality of mounting holes are formed in the shaft box body 211, the locking unit is disposed in the mounting holes, the locking unit includes an elastic member 219, a locking pin 223 and a locking gland 217, the locking gland 217 is disposed on an outer wall surface of the shaft box body 211, the locking pin 223 is disposed on the locking gland 217 and extends into the shaft box body 211, the locking pin 223 is disposed in the mounting hole and has a locking disc 218, and the elastic member 219 is disposed between the locking disc 218 and the locking gland 217; the locking pin 223 includes locking head and release head, the locking head card is gone into will in the spacing groove 221 of bearing housing 212 the bearing housing 212 is locked, the release head extends locking gland 217, the release head will under the exogenic action locking head with spacing groove 221 separation.
As shown in fig. 2 and 4, as a preferred embodiment of the present invention, the shaft housing 211 is provided with a first locking unit 224 and a second locking unit 225, and the bearing housing 212 has two locking states: a standard rail state and a meter rail state; the axle box body 211 is provided with a first locking unit 224 and a second locking unit (225), as shown in fig. 2, when the wheel is in a standard rail state, the second locking unit 225 is clamped in the limiting groove 221 of the bearing sleeve 212; as shown in fig. 4, when the wheel is in a meter-gauge state, the first locking unit 224 is clamped in the limiting groove 221 of the bearing housing 212.
As shown in fig. 1 and 6, the motor driving device comprises a traction motor 28, a disc brake and gear box 24, as shown in fig. 9, the gear box comprises a driving gear 243, an intermediate gear 242, a driven gear 241 and a gear box body 240, and the gear box 24 is suspended on the cross beam 102 and/or the end beam of the framework 1 through a hanger 244. One end of the gear box 24 is mounted on an axle 26, the other end of the gear box 24 is connected with the traction motor 28 through a coupler 25, and traction force and braking force are transmitted between the traction motor 28 and the axle 26 through the coupler 25 and the gear box 24 with the intermediate wheel; the traction motor 28 is fixedly connected to the cross beam 102 or the rear end beam 103 of the frame 1 at one side through bolts, and is arranged outside the wheels in the longitudinal direction and the transverse direction of the bogie, so that the requirement on the size of the installation space of the traction motor with larger power and the gear box is met. The disc brake comprises an input shaft disc brake device 23 and an output shaft disc brake device 27, the input shaft disc brake device 23 is arranged on the non-motor side of the input shaft end of the gear box 24, and the output shaft disc brake device 27 is arranged on the axle 26; as shown in fig. 1, two sets of the motor driving devices are arranged on the framework 1, and the two sets of the motor driving devices comprise a one-position wheel pair motor drive 2 and a two-position wheel pair motor drive 3; the arrangement mode of the two-position wheel pair motor drive 3 is consistent with the arrangement mode of the one-position wheel pair motor drive 2 after being mirrored relative to the longitudinal center line of the bogie, so that the uniform distribution of loads of the left wheel and the right wheel is ensured; as another preferable aspect of the present invention, the one-position wheel is disposed opposite to the motor drive 2 and the two-position wheel is disposed opposite to the motor drive 3.
As shown in fig. 8, the traction motor 28 is mounted on one side on the cross beam 102 and/or end beam of the frame 1 and is arranged outside the wheels in both the truck longitudinal and transverse directions.
As shown in fig. 10, the input shaft unit stopper 10 and the output shaft unit stopper 9 are installed to be inclined on the cross member 102 and/or the end member of the frame 1.
As shown in fig. 1, the bogie of the present invention is further provided with a secondary vertical shock absorber 8, wherein the secondary vertical shock absorber 8 is arranged inside the side beam of the frame 1, and a secondary transverse shock absorber 7 with anti-snaking damping characteristic is mounted on the front end beam 101 or the rear end beam 103 of the frame to meet the limit requirement of the meter gauge vehicle.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A wheel set for a track-variable bogie comprises wheels (22) mounted on an axle (26), axle boxes (21) arranged at two ends of the axle (26), and a track-changing device; a hub (220) of the wheel (22) is positioned outside the wheel (22) and extends outwards to form a connecting sleeve (222), the rail changing device is installed on the periphery of the connecting sleeve (222) and is positioned in the axle box (21), and the axle box (21) comprises an axle box body (211) and an end cover (215) installed on the axle box body (211); the method is characterized in that:
the rail transfer device comprises a bearing sleeve (212), a bearing assembly and at least two locking units; the bearing sleeve (212) is arranged in the axle box (21), and the bearing sleeve (212) can move axially along the inner wall of the axle box (21);
the bearing assembly comprises a first bearing (213) and a second bearing (214), the inner ring of the first bearing (213) is fixedly connected to the periphery of the connecting sleeve (222), and the outer ring of the first bearing (213) is arranged on the inner side of the bearing sleeve (212); the inner ring of the second bearing (214) is fixedly connected to an axle (26), and the outer ring of the second bearing (214) is arranged on the end cover (215);
the locking unit axial interval sets up on axle box body (211), bearing housing (212) have two at least locking states, bearing housing (212) are first locking state when spacing with first locking unit cooperation, bearing housing (212) are second locking state when spacing with second locking unit cooperation.
2. The wheel pair for the track-variable bogie according to claim 1, wherein a plurality of mounting holes are formed in the axle box body (211), the locking unit is arranged in the mounting holes and comprises an elastic piece (219), a locking pin (223) and a locking gland (217), the locking gland (217) is arranged on the outer wall surface of the axle box body (211), the locking pin (223) is arranged on the locking gland (217) and extends into the axle box body (211), the locking pin (223) is provided with a locking disc (218) in the mounting holes, and the elastic piece (219) is arranged between the locking disc (218) and the locking gland (217).
3. The wheel pair for the track-variable bogie according to claim 2, wherein the locking pin (223) comprises a locking head and an unlocking head, the locking head is clamped into the limiting groove (221) of the bearing sleeve (212) to lock the bearing sleeve (212), the unlocking head extends out of the locking gland (217), and the locking head is separated from the limiting groove (221) under the action of external force.
4. Wheel set for a bogie with variable track pitch according to any of claims 1 to 3, characterised in that the end of the axle (26) is equipped with a speed sprocket (216).
5. A track-variable bogie for railway vehicles, comprising a frame (1) and a primary suspension device (4) arranged on the frame (1), characterized in that the frame is provided with a wheel set for a track-variable bogie according to any one of claims 1 to 4 via the primary suspension device (4), the wheel set being driven by means of an electric motor drive.
6. A railway vehicle track-changing bogie according to claim 5, characterized in that the motor drive comprises a traction motor (28), a disc brake and a gearbox (24), one end of the gearbox (24) being mounted on the axle (26) and the other end of the gearbox (24) being connected to the traction motor (28) by a coupling (25); the disc brake comprises an input shaft disc brake device (23) and an output shaft disc brake device (27), the input shaft disc brake device (23) is arranged on the non-motor side of the input shaft end of the gear box (24), and the output shaft disc brake device (27) is arranged on an axle (26).
7. The railway vehicle track-variable bogie according to claim 5 or 6, characterized in that two sets of said motor drives are arranged on said frame (1), said two sets of said motor drives comprising a one-wheel pair motor drive (2) and a two-wheel pair motor drive (3);
the arrangement mode of the two-position wheel pair motor drive (3) is consistent with the arrangement mode of the one-position wheel pair motor drive (2) after being mirrored relative to the longitudinal center line of the bogie; or
The one-position wheel pair motor drive (2) and the two-position wheel pair motor drive (3) are arranged oppositely.
8. Railway vehicle track-variable bogie according to claim 7, characterized in that the gearbox (24) is suspended from the cross beam (102) and/or end beam of the frame (1) by means of hangers (244).
9. Railway vehicle track-variable bogie according to claim 7, characterized in that the traction motor (28) is mounted on one side on the cross beam (102) and/or end beam of the frame (1) and arranged outside the wheels in both bogie longitudinal and transverse direction.
10. Railway vehicle track-variable bogie according to claim 7, characterized in that the input shaft unit brake (10) and the output shaft unit brake (9) are mounted inclined on the cross beam (102) and/or end beam of the frame (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333638.3A CN113830123B (en) | 2021-11-11 | 2021-11-11 | Wheel set for track-variable bogie of railway vehicle and bogie |
| PCT/CN2022/103896 WO2023082671A1 (en) | 2021-11-11 | 2022-07-05 | Wheelset for gauge-changeable bogie for rail vehicle, and bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333638.3A CN113830123B (en) | 2021-11-11 | 2021-11-11 | Wheel set for track-variable bogie of railway vehicle and bogie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113830123A true CN113830123A (en) | 2021-12-24 |
| CN113830123B CN113830123B (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111333638.3A Active CN113830123B (en) | 2021-11-11 | 2021-11-11 | Wheel set for track-variable bogie of railway vehicle and bogie |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113830123B (en) |
| WO (1) | WO2023082671A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082671A1 (en) * | 2021-11-11 | 2023-05-19 | 中车株洲电力机车有限公司 | Wheelset for gauge-changeable bogie for rail vehicle, and bogie |
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| CN1143584A (en) * | 1995-06-06 | 1997-02-26 | 日本铁道建设公团 | Variable-wheel-gauge bogie for rolling stock |
| EP0873929A2 (en) * | 1997-04-22 | 1998-10-28 | Railway Technical Research Institute | Variable gauge bogie for rolling stock |
| JP2001270439A (en) * | 2000-03-28 | 2001-10-02 | Railway Technical Res Inst | Variable gage truck for railroad vehicle |
| ES2184538A1 (en) * | 1999-10-05 | 2003-04-01 | Construcciones Y Aux De Ferroc | Variable width cradle railway undercarriage |
| EP2390155A1 (en) * | 2010-05-28 | 2011-11-30 | Construcciones Y Auxiliar de Ferrocarriles, S.A. | Displaceable rolling bogie for railway vehicles |
| CN107600100A (en) * | 2017-09-01 | 2018-01-19 | 西南交通大学 | A kind of slide assemblies applied to gauge-changeable bogie |
| CN108909763A (en) * | 2018-07-05 | 2018-11-30 | 中车青岛四方机车车辆股份有限公司 | A kind of gauge-changeable wheelsets axle box and gauge-changeable bogie |
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| JPH08253147A (en) * | 1995-03-20 | 1996-10-01 | Fuji Heavy Ind Ltd | Variable gauge track of railway rolling stock |
| JP3335889B2 (en) * | 1997-09-18 | 2002-10-21 | 財団法人鉄道総合技術研究所 | Rail-to-rail variable bogie for railway vehicles |
| JP2017001443A (en) * | 2015-06-05 | 2017-01-05 | 大成建設株式会社 | Vehicle for maintenance and construction |
| CN107521519B (en) * | 2017-09-01 | 2023-07-11 | 西南交通大学 | Variable gauge bogie |
| CN108407840B (en) * | 2018-04-13 | 2020-01-10 | 中车青岛四方机车车辆股份有限公司 | Ground track-changing facility for track gauge-changing bogie |
| CN113830123B (en) * | 2021-11-11 | 2023-05-02 | 中车株洲电力机车有限公司 | Wheel set for track-variable bogie of railway vehicle and bogie |
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2021
- 2021-11-11 CN CN202111333638.3A patent/CN113830123B/en active Active
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- 2022-07-05 WO PCT/CN2022/103896 patent/WO2023082671A1/en unknown
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| CN1143584A (en) * | 1995-06-06 | 1997-02-26 | 日本铁道建设公团 | Variable-wheel-gauge bogie for rolling stock |
| EP0873929A2 (en) * | 1997-04-22 | 1998-10-28 | Railway Technical Research Institute | Variable gauge bogie for rolling stock |
| ES2184538A1 (en) * | 1999-10-05 | 2003-04-01 | Construcciones Y Aux De Ferroc | Variable width cradle railway undercarriage |
| JP2001270439A (en) * | 2000-03-28 | 2001-10-02 | Railway Technical Res Inst | Variable gage truck for railroad vehicle |
| EP2390155A1 (en) * | 2010-05-28 | 2011-11-30 | Construcciones Y Auxiliar de Ferrocarriles, S.A. | Displaceable rolling bogie for railway vehicles |
| CN107600100A (en) * | 2017-09-01 | 2018-01-19 | 西南交通大学 | A kind of slide assemblies applied to gauge-changeable bogie |
| CN108909763A (en) * | 2018-07-05 | 2018-11-30 | 中车青岛四方机车车辆股份有限公司 | A kind of gauge-changeable wheelsets axle box and gauge-changeable bogie |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082671A1 (en) * | 2021-11-11 | 2023-05-19 | 中车株洲电力机车有限公司 | Wheelset for gauge-changeable bogie for rail vehicle, and bogie |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023082671A1 (en) | 2023-05-19 |
| CN113830123B (en) | 2023-05-02 |
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