CN210793185U - Rail vehicle - Google Patents

Abstract

The utility model provides a rail vehicle, including an at least section list marshalling train, list marshalling train includes automobile body and power bogie, power bogie includes power assembly and axle main part, power assembly includes motor and gearbox, the output shaft of motor passes through the gearbox and is connected with the transmission of axle main part, power bogie is two, and be first power bogie and second power bogie respectively, first power bogie and second power bogie set up in the automobile body bottom along the front and back interval, through setting up two power bogies, improve rail vehicle's operation reliability and travelling comfort.

Description

Rail vehicle

Technical Field

The utility model belongs to the rail transit field especially relates to a rail vehicle.

Background

In the related art, the power assembly is easy to break down, so that the whole vehicle stays on the rail, operation accidents are caused, and meanwhile, when the rail vehicle is started and braked, the phenomena of head nodding and head pushing are obvious, so that the comfort level of passengers is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a rail vehicle is through setting up the higher power bogie of two integrated levels to improve rail vehicle's operation reliability and travelling comfort.

According to the utility model discloses rail vehicle, including an at least section list marshalling train, list marshalling train includes: a vehicle body; the power bogie comprises a power assembly and an axle main body, wherein the power assembly comprises a motor and a gearbox, and an output shaft of the motor is in transmission connection with the axle main body through the gearbox; the power bogie is two and is first power bogie and second power bogie respectively, first power bogie with second power bogie sets up along fore-and-aft direction interval bottom half.

According to the utility model discloses rail vehicle sets up two power bogie through following the fore-and-aft direction interval to when a power bogie's power assembly became invalid, rail vehicle can also rely on another power bogie's power assembly to continue to travel, and can not stop on the track, influences other vehicles's traveling, with this reliability that improves rail vehicle, reduces the operation accident.

The power assembly comprises a motor and a gearbox, an output shaft of the motor is in transmission connection with the axle main body through the gearbox, namely the motor, the gearbox and the axle main body are highly integrated, therefore, a transmission shaft with large volume and large mass in the related technology is eliminated, a large amount of space is saved, and the weight of the power bogie is reduced.

Through the first power bogie and the second power bogie which are arranged at intervals in the front-rear direction, when the railway vehicle is started and braked, the motors of the first power bogie and the second power bogie can drive and brake the railway vehicle, namely, the driving force and the braking force are more uniform along the running direction of the railway vehicle, so that the phenomena of nodding and head pushing of the railway vehicle during starting and braking are weakened, and the comfort of passengers is improved.

In addition, the rail vehicle according to the above embodiment of the present invention may further have the following additional technical features:

according to some embodiments of the invention, the power train of the first power bogie is disposed on a side remote from the second power bogie, the power train of the second power bogie is disposed on a side remote from the first power bogie;

or:

the power assembly of the first power bogie is arranged at one side close to the second power bogie, and the power assembly of the second power bogie is arranged at one side close to the first power bogie.

According to some embodiments of the present invention, the axle body comprises an axle,

the power assembly of the first power bogie is integrally arranged inside the axle of the first power bogie;

and the power assembly of the second power bogie is integrally arranged inside the axle of the second power bogie.

According to some embodiments of the invention, the motor of the first power bogie and the gearbox of the first power bogie are arranged along an axial direction of the axle body of the first power bogie; and the motor of the second power bogie and the gearbox of the second power bogie are arranged along the axial direction of the axle main body of the second power bogie.

According to some embodiments of the invention, the motor of the first power bogie is arranged on the left side of the gearbox of the first power bogie, and the motor of the second power bogie is arranged on the left side of the gearbox of the second power bogie;

or:

the motor of the first power bogie is arranged on the right side of the gearbox of the first power bogie, and the motor of the second power bogie is arranged on the right side of the gearbox of the second power bogie.

According to some embodiments of the invention, the motor of the first power bogie is arranged on the left side of the gearbox of the first power bogie and the motor of the second power bogie is arranged on the right side of the gearbox of the second power bogie;

or:

the motor of the first power bogie is arranged on the right side of the gearbox of the first power bogie, and the motor of the second power bogie is arranged on the left side of the gearbox of the second power bogie.

According to some embodiments of the invention, the first power bogie is structurally identical to the second power bogie.

According to some embodiments of the invention, the output shaft axis of the motor of the first power bogie is arranged parallel to the axis of the axle body of the first power bogie, and the input axis of the gearbox of the first power bogie is arranged parallel to the axis of the axle body of the first power bogie;

the axis of an output shaft of a motor of the second power bogie is parallel to the axis of an axle main body of the second power bogie, and the axis of an input shaft of a gearbox of the second power bogie is parallel to the axis of the axle main body of the second power bogie.

According to some embodiments of the invention, the motor of the first power bogie and the axle of the first power bogie are coaxially arranged; and the motor of the second power bogie and the axle of the second power bogie are coaxially arranged.

According to some embodiments of the present invention, the first power bogie and the second power bogie all include a differential mechanism, the differential mechanism of the first power bogie integrated set up in the inside of the axle main body of the first power bogie, the differential mechanism of the second power bogie integrated set up in the inside of the axle main body of the second power bogie.

According to the utility model discloses a some embodiments, power bogie still includes back lid assembly, back lid assembly is installed in the axle main part, be equipped with on the back lid assembly and be used for the oil plug screw that adds of axle main part filling gear lubricating oil, be equipped with on the diapire of axle main part and be used for discharging the oil drain plug screw of gear lubricating oil.

According to some embodiments of the invention, the power bogie further comprises:

the power assembly is in transmission connection with the walking wheels so as to drive the walking wheels to rotate;

a guide frame rotatably mounted on the bridge main body in a horizontal direction with respect to the bridge main body;

the horizontal wheel is arranged on the guide frame and is suitable for being matched with the side wall of the track beam;

the connecting rod assembly comprises a first transverse pull rod and a second transverse pull rod, the first transverse pull rod is pivotally arranged on the guide frame, the second transverse pull rod is respectively in transmission connection with the first transverse pull rod and the walking wheels,

when the rail vehicle turns left, the horizontal wheels drive the guide frame to swing through the cooperation with the rail beam and drive the first transverse pull rod to move together, and the second transverse pull rod drives the walking wheels to swing left under the driving of the first transverse pull rod;

when the rail vehicle turns right, the horizontal wheels drive the guide frame to swing through the cooperation with the rail beam and drive the first transverse pull rod to move together, and the second transverse pull rod drives the traveling wheels to swing right under the driving of the first transverse pull rod.

According to the utility model discloses a some embodiments, the horizontal wheel includes preceding horizontal wheel and back horizontal wheel, preceding horizontal wheel with back horizontal wheel sets up along preceding back direction interval on the guide frame.

According to some embodiments of the present invention, the power bogie further comprises a V-shaped push rod assembly, the V-shaped push rod assembly comprising:

a V-push mounting seat mounted on the bridge main body;

the first ends of the two V-shaped push rod cylinders are connected with the V-shaped push mounting seat, and the second ends of the two V-shaped push rod cylinders are far away from each other;

the two V push rod heads are respectively in threaded fit in the two V push rod barrels;

two V push rod head mount pads, two the V push rod head is respectively through two the V push rod head mount pad with the automobile body links to each other.

According to some embodiments of the present invention, the power bogie further comprises two straight push rod assemblies, each of the straight push rod assemblies comprising:

two straight putter heads, one of which is mounted on the bridge body;

the other one of the two straight push rod heads is arranged on the vehicle body through the straight push rod head mounting seat;

the two straight push rod heads are respectively matched in two ends of the straight push rod barrel;

the locking device comprises a straight push rod barrel, two locking bushings, a locking bushing sleeve and a locking bolt, wherein the two locking bushings are used for locking the joint of the straight push rod barrel and the straight push rod head, and the two locking bushings are sleeved outside the straight push rod barrel and are respectively arranged at the two ends of the straight push rod barrel.

According to some embodiments of the present invention, the power bogie further comprises a stabilizer bar assembly, the stabilizer bar assembly comprising:

two stabilizer bar sleeves;

two stabilizer bar heads mounted on the bridge body,

two stabilizer bar connecting rods, wherein two ends of each stabilizer bar connecting rod are respectively in threaded fit with the stabilizer bar rod head and the stabilizer bar sleeve;

the first end of each swing rod is pivotally connected with the stabilizer rod sleeve, and the second end of each swing rod is provided with a through hole;

the two ends of the stabilizer bar body respectively penetrate through the two through holes;

two stabilizer bar installing supports, the both ends of the stabilizer bar body of rod are installed through two stabilizer bar installing supports respectively on the automobile body.

According to some embodiments of the present invention, the power bogie further comprises a damper assembly, the damper assembly respectively with the axle main body with the vehicle body links to each other.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a rail vehicle provided by an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a rail vehicle according to another embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a rail vehicle according to another embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a rail vehicle according to another embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a rail vehicle according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram 1 of a first power bogie of a railway vehicle according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram 2 of a first power bogie of a railway vehicle according to an embodiment of the present invention.

Fig. 8 is a schematic partial structural view of an axle main body of a first power bogie of a railway vehicle according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a rear cover assembly of a rail vehicle according to an embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a V-shaped push rod assembly of a railway vehicle according to an embodiment of the present invention.

Fig. 11 is a schematic structural diagram of a straight push rod assembly of a railway vehicle according to an embodiment of the present invention.

Fig. 12 is an exploded view of a push rod assembly of a rail vehicle according to an embodiment of the present invention.

Fig. 13 is a schematic structural diagram of a stabilizer bar assembly of a rail vehicle according to an embodiment of the present invention.

Fig. 14 is a partial schematic structural view of a first power bogie of a railway vehicle according to an embodiment of the present invention.

Reference numerals:

100: a rail vehicle;

10: a first power bogie; 11: a power assembly of a first power bogie; 111: a motor of the first power bogie; 112: a gearbox of a first power truck; 12: an axle body of a first power truck; 121: an axle of a first power truck; 13: a differential of the first power bogie;

20: a second power bogie; 21: a power assembly of a second power bogie; 211: a motor of the second power bogie; 212: a gearbox of a second power bogie; 22: an axle body of a second power bogie; 221: an axle of a second power truck; 23: a differential of a second power bogie;

30: a vehicle body;

14: a rear cover assembly; 141: a refueling plug screw; 142: an oil drain plug screw;

15: a running wheel;

16: a guide frame;

17: a horizontal wheel; 171: a front horizontal wheel; 172: a rear horizontal wheel;

18: a connecting rod assembly; 181: a first tie rod; 182: a second tie rod;

19: a V-shaped push rod assembly; 191: v pushing the mounting seat; 192: v, a push rod cylinder; 193: v push rod head; 194: v push rod head mount pad;

24: a straight push rod assembly; 241: a straight push rod head; 242: a straight push rod head mounting base; 243: a straight push rod cylinder; 244: locking the bushing;

25: a stabilizer bar assembly; 251: a stabilizer bar sleeve; 252: a stabilizer bar head; 253: a stabilizer bar connecting rod; 254: a swing rod; 255: a stabilizer bar body; 256: a stabilizer bar mounting support; 257: a swing rod shaft sleeve; 258: a support shaft sleeve;

26: a damper assembly; 27: a spring assembly;

200: a track beam.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

A rail vehicle 100 according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 14.

As shown in fig. 1, the railway vehicle 100 includes at least one single-consist train, the single-consist train includes a vehicle body 30 and a power bogie, the power bogie includes a power assembly and an axle body, the power assembly includes a motor and a gearbox, and an output shaft of the motor is in transmission connection with the axle body through the gearbox.

In other words, the output shaft of motor is direct to be connected with the gearbox transmission, the gearbox is connected with the transmission of axle main part, thereby the transmission shaft that bulky among the correlation technique, the quality is big has been saved, motor, gearbox and axle main part height integration, most space in a large amount of automobile body 30 bottoms has been saved, in order to avoid arranging of other equipment of whole car to receive the influence, thereby influence the performance of other equipment, and then influence whole rail vehicle 100's performance, in addition, the weight of power bogie has been reduced by a wide margin, thereby rail vehicle 100's weight has been reduced, make rail vehicle 100 more energy-conserving.

The number of the power bogies is two, the two power bogies are respectively a first power bogie 10 and a second power bogie 20, and the first power bogie 10 and the second power bogie 20 are arranged at the bottom of the vehicle body 30 at intervals along the front-rear direction.

Two power bogies are arranged at intervals along the front and rear directions, so that when the power assembly of one power bogie fails, the rail vehicle 100 can continuously run to a station to be overhauled by means of the power assembly of the other power bogie, the rail vehicle is prevented from stopping on the rail, the running of other vehicles is not influenced, the reliability of the rail vehicle 100 is improved, and operation accidents are reduced.

It is understood that reliability is a primary consideration of public transportation, and therefore, by providing two power trucks, the reliability of the railway vehicle 100 of the embodiment of the present invention can be effectively improved.

Another related art employs an arrangement of a combination of power and non-power trucks, such as a front and rear non-power truck arrangement, or a front and rear non-power truck arrangement, and is described herein in terms of a front and rear non-power truck arrangement.

When the rail vehicle 100 is started, the head pushing phenomenon is easily generated due to the fact that only the motor of the rear power bogie is driven, and the motor 111 of the first power bogie and the motor 211 of the second power bogie are driven simultaneously, namely the motor of the front power bogie and the motor of the rear power bogie are driven simultaneously, so that the driving force of the rail vehicle 100 is more balanced, and the head pushing phenomenon when the rail vehicle 100 is started is greatly weakened; when rail vehicle 100 brakes, the motor braking of back power bogie, preceding non-power bogie only rely on mechanical braking, and then the brake force is inhomogeneous, produces the phenomenon of nodding easily, and the utility model discloses in the equal brakeable of motor 111 of first power bogie and the motor 211 of second power bogie, then rail vehicle 100's brake force is more balanced, weakens the phenomenon of nodding when rail vehicle 100 brakes from this greatly, has reduced the loss of the mechanical braking device in the preceding power bogie simultaneously.

It is to be understood that a single consist railway vehicle is a single consist railway vehicle when rail vehicle 100 has only one single consist train and a multi-consist railway vehicle when rail vehicle 100 includes multiple single consist trains, and the description herein will be primarily directed to single consist railway vehicles.

In some embodiments of the present invention, as shown in fig. 1-3, the powertrain 11 of the first power truck is disposed on a side away from the second power truck 20, and the powertrain 21 of the second power truck is disposed on a side away from the first power truck 10; or the power train 11 of the first power bogie is disposed on the side adjacent to the second power bogie 20 and the power train 21 of the second power bogie is disposed on the side adjacent to the first power bogie 10.

In other words, the power train 11 of the first power bogie is disposed on the front side of the axle body 12 of the first power bogie, and the power train 21 of the second power bogie is disposed on the rear side of the axle body 22 of the second power bogie; or the power train 11 of the first power bogie is disposed at the rear side of the axle body 12 of the first power bogie and the power train 21 of the second power bogie is disposed at the front side of the axle body 22 of the second power bogie.

In the power bogie of the railway vehicle 100, the mass of the power assembly is large, and by adopting the arrangement mode, the mass of the power bogie in the whole vehicle can be arranged in a balanced manner, so that the running stability of the whole vehicle is improved.

In some embodiments of the present invention, as shown in fig. 4, the axle body includes an axle, and the power assembly 11 of the first power bogie is integrally disposed inside the axle 121 of the first power bogie; the drive train 21 of the second power bogie is arranged integrally inside the axle 221 of the second power bogie.

It will be appreciated that, with reference to figures 4 and 7, the integration of the power pack within the axle of the axle body further saves space at the bottom of the vehicle body 30 while substantially reducing the sprung mass of the spring assembly 27.

In some embodiments of the present invention, as shown in fig. 1 to 4, the motor 111 of the first power bogie and the transmission case 112 of the first power bogie are arranged along the axial direction of the axle main body 12 of the first power bogie; the motor 211 of the second power bogie and the transmission case 212 of the second power bogie are arranged in the axial direction of the axle main body 22 of the second power bogie.

It can be understood that the axle body 12 of the first power bogie and the axle body 22 of the second power bogie are both in the left and right directions in the drawing, the motor and the gearbox are arranged along the axle body in the axis direction, namely in the left and right directions, the transmission structure is more reasonable and simple, and meanwhile, the widths of the first power bogie 10 and the second power bogie 20 in the front and back directions can be reduced, so that the arrangement of other equipment of the whole vehicle is facilitated.

In some embodiments of the present invention, as shown in fig. 1, the motor 111 of the first power bogie is disposed on the left side of the gearbox 112 of the first power bogie, and the motor 211 of the second power bogie is disposed on the left side of the gearbox 212 of the second power bogie; or the motor 111 of the first power bogie is arranged to the right of the gearbox 112 of the first power bogie and the motor 211 of the second power bogie is arranged to the right of the gearbox 212 of the second power bogie.

In other words, the motor 111 of the first power bogie and the motor 211 of the second power bogie are both disposed on the left or right side of the entire vehicle, and accordingly, the transmission case 112 of the first power bogie and the transmission case 212 of the second power bogie are both disposed on the right or left side of the entire vehicle. Thus, the arrangement of cables and the like is facilitated.

In some embodiments of the present invention, as shown in fig. 5, the motor 111 of the first power bogie is disposed on the left side of the gearbox 112 of the first power bogie, and the motor 211 of the second power bogie is disposed on the right side of the gearbox 212 of the second power bogie; or the motor 111 of the first power bogie is arranged on the right side of the gearbox 112 of the first power bogie and the motor 211 of the second power bogie is arranged on the left side of the gearbox 212 of the second power bogie, as shown in fig. 3.

It can be understood that, with this arrangement, a motor and a transmission are provided on both the left and right sides of the rail vehicle 100, so that the mass of the entire vehicle is further uniformly arranged, and there is a great gain in the stability of the operation of the entire vehicle.

In some embodiments of the present invention, as shown in fig. 3 and 5, the first power bogie 10 and the second power bogie 20 are identical in structure.

It is understood that, here, the first power bogie 10 and the second power bogie 20 are identical in structure, which means that the parts of the first power bogie 10 and the second power bogie 20 are identical, the positions are identical, and the connection relationship is identical, in other words, the first power bogie 10 and the second power bogie 20 are identical and can be interchanged, thereby reducing the number of types of the whole vehicle bogie and facilitating later maintenance and after-sales spare parts.

It is understood that the first power bogie 10 and the second power bogie 20 are identical in structure, and the first power bogie 10 and the second power bogie 20 constitute a central symmetrical structure. Therefore, the quality of the whole vehicle is uniformly distributed to the maximum extent, the running stability of the whole vehicle is further enhanced, and the operation reliability of the rail vehicle 100 is improved.

In some embodiments of the present invention, as shown in fig. 5 and 6, the output shaft axis of the motor 111 of the first power bogie is disposed in parallel with the axis of the axle main body 12 of the first power bogie, and the input shaft axis of the transmission case 112 of the first power bogie is disposed in parallel with the axis of the axle main body 12 of the first power bogie; the output shaft axis of the motor 211 of the second power bogie is arranged in parallel with the axis of the axle main body 22 of the second power bogie, and the input shaft axis of the transmission 212 of the second power bogie is arranged in parallel with the axis of the axle main body 22 of the second power bogie.

It can be understood that the axis of the output shaft of the motor 111 of the first power bogie is in the left-right direction, the axis of the axle body 12 of the first power bogie is in the left-right direction, the input axis of the gearbox 112 of the first power bogie is in the left-right direction, the axis of the output shaft of the motor 211 of the second power bogie is in the left-right direction, the axis of the axle body 22 of the second power bogie is in the left-right direction, and the input axis of the gearbox 212 of the second power bogie is in the left-right direction, and the axis of the output shaft of the motor is parallel to the axis of the axle body, so that a transmission shaft in the related technology can be conveniently omitted, the transmission is more efficient, and the effects of saving space and reducing mass are achieved.

In some embodiments of the present invention, as shown in fig. 4, the motor 111 of the first power bogie and the axle 121 of the first power bogie are coaxially disposed; the motor 211 of the second power bogie and the axle 221 of the second power bogie are coaxially disposed.

It can be understood that, when the power assembly 11 of the first power bogie is integrally arranged inside the axle 121 of the first power bogie, and the power assembly 21 of the second power bogie is integrally arranged inside the axle 221 of the second power bogie, the motor 111 of the first power bogie and the axle 121 of the first power bogie can be coaxially arranged, and the axis is in the left-right direction at the moment, so that the structure of the power bogie is more reasonable, the stability is better, and the transmission is smoother.

In some embodiments of the present invention, as shown in fig. 1-4, the first power truck 10 and the second power truck 20 each include a differential, the differential 13 of the first power truck is integrally disposed inside the axle body 12 of the first power truck, and the differential 23 of the second power truck is integrally disposed inside the axle body 22 of the second power truck.

By integrally disposing the differential inside the axle main body, space at the bottom of the vehicle body 30 is further saved. It will be appreciated that the electric machine is connected to the differential via a gearbox, which then transmits power to the running wheels.

In some embodiments of the present invention, as shown in fig. 7-9, the power bogie further includes a rear cover assembly 14, the rear cover assembly 14 is installed on the axle main body, as shown in fig. 9, the rear cover assembly 14 is provided with a filling plug screw 141 for filling the axle main body with gear lubricating oil, as shown in fig. 8, and a drain plug screw 142 for draining the gear lubricating oil is provided on the bottom wall of the axle main body. Therefore, the friction of the power bogie during working is reduced, and the lubricating performance of the power bogie is improved.

In some embodiments of the present invention, as shown in fig. 7, the power bogie further includes: the walking wheels 15 can rotate along the axial direction of the walking wheels 15 and can be arranged on the axle main body in a left-right swinging mode, the walking wheels 15 are supported on a track beam 200 for the running of the railway vehicle 100, and the power assembly is in transmission connection with the walking wheels 15 so as to drive the walking wheels 15 to rotate; a guide frame 16, the guide frame 16 being rotatably mounted on the bridge main body in a horizontal direction with respect to the bridge main body; the horizontal wheel 17 is arranged on the guide frame 16, and the horizontal wheel 17 is suitable for being matched with the side wall of the track beam 200; the connecting rod assembly 18, the connecting rod assembly 18 includes the first tie rod 181 and the second tie rod 182, the first tie rod 181 is pivotably mounted on the guide frame 16, the second tie rod 182 is connected with the first tie rod 181 and the running wheel 15 in a transmission way; when the railway vehicle 100 turns left, the horizontal wheels 17 drive the guide frame 16 to swing through the cooperation with the track beam 200, and drive the first tie rod 181 to move together, and the second tie rod 182 drives the traveling wheels 15 to swing left under the drive of the first tie rod 181; when the rail vehicle 100 turns right, the horizontal wheels 17 drive the guide frame 16 to swing through cooperation with the rail beam 200, and drive the first tie rod 181 to move together, and the second tie rod 182 drives the traveling wheels 15 to swing right under the drive of the first tie rod 181.

It is understood that "the running wheels 15 are swung to the left" means that the front ends of the running wheels 15 on the rail vehicle 100 are swung to the left with respect to the rear ends, and that "the running wheels 15 are swung to the right" means that the front ends of the running wheels 15 on the rail vehicle 100 are swung to the right with respect to the rear ends.

It should be understood that the phrase "the second tie rod 182 is drivingly connected to the first tie rod 181 and the running wheels 15" is to be interpreted broadly, and includes the second tie rod 182 being directly connected to the first tie rod 181 and the running wheels 15, and also includes the second tie rod 182 being indirectly connected to the first tie rod 181 and the running wheels 15 through other driving structures.

When the railway vehicle 100 runs, the horizontal wheels 17 run along the inner side of the track beam 200, when steering is needed, the horizontal wheels 17 are under the action of the track beam 200, the horizontal wheels 17 drive the guide frame 16 to rotate and drive the first tie rod 181, the second tie rod 182 drives the walking wheels 15 to swing under the driving of the first tie rod 181, so that the walking wheels 15 are matched with the turning direction of the track beam 200, and the steering of the railway vehicle 100 is facilitated.

By arranging the guide frame 16 and the connecting rod assembly 18, the resistance of the rail vehicle 100 during steering can be reduced, the turning radius of the rail vehicle 100 can be reduced conveniently, smooth running of the rail vehicle 100 on the rail beam 200 can be ensured, high-speed guide turning of the rail vehicle 100 can be realized, the running speed of the rail vehicle 100 can be improved conveniently, and the working performance of the rail vehicle 100 can be improved.

In addition, through setting up guide frame 16 and link assembly 18, guide frame 16 and link assembly 18 can give different spare parts with the dispersion of steering force, can avoid single spare part atress too big and fracture, improve the reliability and the stability that rail vehicle 100 traveles, can guarantee rail vehicle 100's safety of traveling.

In some embodiments of the present invention, as shown in fig. 14, the horizontal wheels 17 include a front horizontal wheel 171 and a rear horizontal wheel 172, and the front horizontal wheel 171 and the rear horizontal wheel 172 are disposed on the guide frame 16 at a front-rear interval. This facilitates guiding the vehicle by the front horizontal wheels 171 and the rear horizontal wheels 172, and facilitates smooth steering of the vehicle.

Specifically, the running wheels 15 are two and mounted on both sides of the axle main body, respectively. This makes the stress on the running wheels 15 more uniform, facilitating the improvement of the structural stability of the rail vehicle 100.

In some embodiments of the present invention, as shown in fig. 10, the power bogie further includes a V-shaped push rod assembly 19, and the V-shaped push rod assembly 19 includes: the V-shaped push mounting seat 191 is mounted on the bridge main body, and the V-shaped push mounting seat 191 is mounted on the bridge main body; two V-shaped push rod cylinders 192, wherein first ends of the two V-shaped push rod cylinders 192 are connected with the V-shaped push mounting seat 191, and second ends thereof are far away from each other; two V push rod heads 193, wherein the two V push rod heads 193 are respectively matched in the two V push rod barrels 192 through threads; two V push rod head mount pads 194, two V push rod head mount pads 194 are connected with body 30. Therefore, the V-shaped push rod assembly 19 is convenient to transmit power, the V-shaped push rod assembly 19 is compact in structure, interference with the stabilizer bar assembly 25 can be avoided, and meanwhile the length of the V-shaped push rod assembly 19 can be conveniently adjusted.

In some embodiments of the present invention, as shown in fig. 11 and 12, the power bogie further includes two straight push rod assemblies 24, each straight push rod assembly 24 includes two straight push rod heads 241, a straight push rod head mounting seat 242, a straight push rod barrel 243 and a locking bush 244, one of the two straight push rod heads 241 is installed on the axle main body, and the other of the two straight push rod heads 241 is installed on the vehicle body 30 through the straight push rod head mounting seat 242. Two straight putter heads 241 are fitted into both ends of the straight putter cylinder 243, respectively. The two locking bushings 244 are used for locking the joint of the straight push rod barrel 243 and the straight push rod head 241, and the two locking bushings 244 are sleeved on the straight push rod barrel 243 and are respectively arranged at two ends of the straight push rod barrel 243. Specifically, the lock bushing 244 is tightened with a bolt after the distance between the straight blade head 241 and the straight blade cylinder 243 is adjusted, and the mount of the straight blade head 241 is connected to the vehicle body 30. This facilitates the positioning of the straight push rod assembly 24 and the fixing of the length of the straight push rod assembly 24.

In some embodiments of the present invention, as shown in fig. 13, the power bogie further includes a stabilizer bar assembly 25, and the stabilizer bar assembly 25 includes two stabilizer bar sleeves 251, two stabilizer bar heads 252, two stabilizer bar connecting rods 253, two swing rods 254, a stabilizer bar body 255, and two stabilizer bar mounting supports 256. The stabilizer bar head 252 is mounted on the bridge body. Both ends of each stabilizer link connecting rod 253 are screw-fitted in the stabilizer rod head 252 and the stabilizer rod bushing 251, respectively. A first end of each swing link 254 is pivotably connected to the stabilizer link sleeve 251 and a second end is provided with a via hole. The two ends of the stabilizer bar body 255 respectively pass through the two via holes. The stabilizer bar body 255 has both ends mounted to the vehicle body 30 via two stabilizer bar mounting brackets 256, respectively. This facilitates improving the structural stability of the power bogie and the operational reliability of the railway vehicle 100.

The stabilizer bar assembly 25 further includes a swing bar shaft sleeve 257 and a support shaft sleeve 258, the external threads of the stabilizer bar connecting rod 253 are connected with the internal threads of the stabilizer bar head 252 and the stabilizer bar sleeve 251 to adjust the length, and the stabilizer bar body 255 is connected with the swing bar 254 through the swing bar shaft sleeve 257 and then is bolted and locked to the vehicle body 30 through the stabilizer bar mounting support 256 and the support shaft sleeve 258. This facilitates the setting of the stabilizer bar assembly 25, and facilitates the adjustment of the length of the stabilizer bar assembly 25.

In some embodiments of the present invention, as shown in fig. 7, the power bogie further includes a shock absorber assembly 26, and the shock absorber assembly 26 is connected to the axle main body and the vehicle body 30 of the railway vehicle 100, respectively, to improve the shock absorbing performance of the railway vehicle 100.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the terms "embodiment," "specific embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (17)

1. A rail vehicle comprising at least one single consist train, characterized in that the single consist train comprises:

a vehicle body;

the power bogie comprises a power assembly and an axle main body, wherein the power assembly comprises a motor and a gearbox, and an output shaft of the motor is in transmission connection with the axle main body through the gearbox;

the power bogie is two and is first power bogie and second power bogie respectively, first power bogie with second power bogie sets up along fore-and-aft direction interval bottom half.

2. The rail vehicle of claim 1,

the power assembly of the first power bogie is arranged on one side far away from the second power bogie, and the power assembly of the second power bogie is arranged on one side far away from the first power bogie;

or:

the power assembly of the first power bogie is arranged at one side close to the second power bogie, and the power assembly of the second power bogie is arranged at one side close to the first power bogie.

3. The rail vehicle of claim 1, wherein the axle body includes an axle,

the power assembly of the first power bogie is integrally arranged inside the axle of the first power bogie;

and the power assembly of the second power bogie is integrally arranged inside the axle of the second power bogie.

4. The railway vehicle according to claim 2 or 3, wherein the motor of the first power bogie and the transmission case of the first power bogie are arranged in an axial direction of the axle body of the first power bogie; and the motor of the second power bogie and the gearbox of the second power bogie are arranged along the axial direction of the axle main body of the second power bogie.

5. The railway vehicle as claimed in claim 4, wherein the motor of the first power bogie is disposed on the left side of the gearbox of the first power bogie and the motor of the second power bogie is disposed on the left side of the gearbox of the second power bogie;

or:

the motor of the first power bogie is arranged on the right side of the gearbox of the first power bogie, and the motor of the second power bogie is arranged on the right side of the gearbox of the second power bogie.

6. The rail vehicle of claim 4,

the motor of the first power bogie is arranged on the left side of the gearbox of the first power bogie, and the motor of the second power bogie is arranged on the right side of the gearbox of the second power bogie;

or:

the motor of the first power bogie is arranged on the right side of the gearbox of the first power bogie, and the motor of the second power bogie is arranged on the left side of the gearbox of the second power bogie.

7. The rail vehicle of claim 6, wherein the first power truck is identical in construction to the second power truck.

8. The rail vehicle of claim 4,

the axis of an output shaft of a motor of the first power bogie is parallel to the axis of an axle main body of the first power bogie, and the input axis of a gearbox of the first power bogie is parallel to the axis of the axle main body of the first power bogie;

the axis of an output shaft of a motor of the second power bogie is parallel to the axis of an axle main body of the second power bogie, and the axis of an input shaft of a gearbox of the second power bogie is parallel to the axis of the axle main body of the second power bogie.

9. The railway vehicle as claimed in claim 3, characterized in that the motor of the first power bogie and the axle of the first power bogie are arranged coaxially; and the motor of the second power bogie and the axle of the second power bogie are coaxially arranged.

10. The railway vehicle as claimed in claim 1, wherein the first power bogie and the second power bogie each comprise a differential, the differential of the first power bogie being integrally disposed within the axle body of the first power bogie, the differential of the second power bogie being integrally disposed within the axle body of the second power bogie.

11. The railway vehicle as claimed in claim 10, wherein the power bogie further comprises a rear cover assembly mounted on the axle body, the rear cover assembly being provided with a filling screw for filling the axle body with gear lubricant, and the axle body being provided at a bottom wall thereof with an oil drain screw for draining the gear lubricant.

12. The rail vehicle of claim 1, wherein the power truck further comprises:

the power assembly is in transmission connection with the walking wheels so as to drive the walking wheels to rotate;

a guide frame rotatably mounted on the bridge main body in a horizontal direction with respect to the bridge main body;

the horizontal wheel is arranged on the guide frame and is suitable for being matched with the side wall of the track beam;

the connecting rod assembly comprises a first transverse pull rod and a second transverse pull rod, the first transverse pull rod is pivotally arranged on the guide frame, the second transverse pull rod is respectively in transmission connection with the first transverse pull rod and the walking wheels,

when the rail vehicle turns left, the horizontal wheels drive the guide frame to swing through the cooperation with the rail beam and drive the first transverse pull rod to move together, and the second transverse pull rod drives the walking wheels to swing left under the driving of the first transverse pull rod;

when the rail vehicle turns right, the horizontal wheels drive the guide frame to swing through the cooperation with the rail beam and drive the first transverse pull rod to move together, and the second transverse pull rod drives the traveling wheels to swing right under the driving of the first transverse pull rod.

13. The rail vehicle of claim 12, wherein: the horizontal wheels comprise a front horizontal wheel and a rear horizontal wheel, and the front horizontal wheel and the rear horizontal wheel are arranged on the guide frame at intervals along the front-rear direction.

14. The rail vehicle of claim 1, wherein: the power bogie still includes V type push rod subassembly, V type push rod subassembly includes:

a V-push mounting seat mounted on the bridge main body;

the first ends of the two V-shaped push rod cylinders are connected with the V-shaped push mounting seat, and the second ends of the two V-shaped push rod cylinders are far away from each other;

the two V push rod heads are respectively in threaded fit in the two V push rod barrels;

two V push rod head mount pads, two the V push rod head is respectively through two the V push rod head mount pad with the automobile body links to each other.

15. The rail vehicle of claim 1, wherein: the power bogie still includes two straight push rod assemblies, every straight push rod assembly includes:

two straight putter heads, one of which is mounted on the bridge body;

the other one of the two straight push rod heads is arranged on the vehicle body through the straight push rod head mounting seat;

the two straight push rod heads are respectively matched in two ends of the straight push rod barrel;

the locking device comprises a straight push rod barrel, two locking bushings, a locking bushing sleeve and a locking bolt, wherein the two locking bushings are used for locking the joint of the straight push rod barrel and the straight push rod head, and the two locking bushings are sleeved outside the straight push rod barrel and are respectively arranged at the two ends of the straight push rod barrel.

16. The rail vehicle of claim 1, wherein the power truck further includes a stabilizer bar assembly, the stabilizer bar assembly including:

two stabilizer bar sleeves;

two stabilizer bar heads mounted on the bridge body,

two stabilizer bar connecting rods, wherein two ends of each stabilizer bar connecting rod are respectively in threaded fit with the stabilizer bar rod head and the stabilizer bar sleeve;

the first end of each swing rod is pivotally connected with the stabilizer rod sleeve, and the second end of each swing rod is provided with a through hole;

the two ends of the stabilizer bar body respectively penetrate through the two through holes;

two stabilizer bar installing supports, the both ends of the stabilizer bar body of rod are installed through two stabilizer bar installing supports respectively on the automobile body.

17. The railway vehicle as claimed in claim 1, wherein the power bogie further comprises a shock absorber assembly, the shock absorber assembly being connected to the axle body and the vehicle body, respectively.

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