Abstract: A method and a system for controlling battery swapping of a vehicle and a vehicle are provided. The method includes: receiving, by a vehicle control unit (VCU), a battery swapping instruction, and transmitting the battery swapping instruction to a battery manager when the vehicle is in a high-voltage power-on state; transmitting, by the battery manager, an enable instruction to a direct current (DC) charger assembly in response to the received battery swapping instruction; and performing, by the DC charger assembly, a starting operation in response to the enable instruction, so as to provide a power supply voltage to a vehicle load after an electrical connection between a power battery pack and a high-voltage circuit of the vehicle is cut off during battery swapping of the vehicle.

Abstract: A method for controlling battery swapping of a vehicle is provided. The vehicle induces a vehicle control unit (VCU), a bidirectional DC-DC converter assembly, a vehicle load, a battery controller, a power battery pack, and a storage battery. The method includes: receiving, by the VCU, a battery swapping instruction when the vehicle is in the high-voltage power-on state; transmitting, by the VCU, a switching instruction to the bidirectional DC-DC converter assembly in response to the battery swapping instruction; and disabling, by the bidirectional DC-DC converter assembly, the buck mode in response to the switching instruction to cut off electrical connection between the power battery pack and a high-voltage circuit of the vehicle by a battery controller, and enabling the boost mode in response to the switching instruction to supply power to the vehicle load by the storage battery through the bidirectional DC-DC converter assembly.

Abstract: A method for controlling automatic battery swapping of a rail vehicle, includes: receiving vehicle information sent by the rail vehicle; determining whether the rail vehicle has a battery swapping need based on the vehicle information of the rail vehicle; in response to determining that the rail vehicle has the battery swapping need, determining a target battery swapping station according to the battery swapping need; and sending a battery swapping notification signal and a vehicle control signal to the rail vehicle, and sending a battery swapping request signal to the target battery swapping station, where the battery swapping notification signal includes position information of the target battery swapping station, the vehicle control signal controls the rail vehicle to travel to the target battery swapping station, and the battery swapping request signal includes identification information of the rail vehicle and requests the target battery swapping station to swap a battery pack for the rail vehicle.

Abstract: A method for controlling vehicle parking, includes: obtaining, by a processor, a current vehicle speed and a current vehicle control level of a vehicle; obtaining, by the processor, a target vehicle speed of the vehicle, and obtaining a target vehicle control level of the vehicle according to the current vehicle control level; obtaining, by the processor, a first vehicle control level according to the current vehicle speed, the target vehicle speed, the current vehicle control level, and the target vehicle control level; and controlling, by the processor, the vehicle to run according to the first vehicle control level.

Abstract: A rail vehicle and a guide device and a guide wheel mounting base used for the rail vehicle are provided. The guide wheel mounting base includes a mounting bracket and a wheel shaft fixing shaft. A through guide hole is provided on the mounting bracket. An outer end of the wheel shaft fixing shaft is connected with a guide wheel. An inner end of the wheel shaft fixing shaft extends through the guide hole. The wheel shaft fixing shaft is movable along an extending direction of the guide hole.

Abstract: A railway vehicle charging control method includes the following steps: receiving vehicle information of the railway vehicle and a charging request transmitted by a signal system; establishing wireless communication connection with a vehicle control unit of the railway vehicle according to the vehicle information of the railway vehicle; determining a pantograph charger corresponding to the railway vehicle; controlling the pantograph charger corresponding to the railway vehicle to descend; and controlling, according to the charging request, to start charging the railway vehicle. The method is combined with the signal system of the railway vehicle, establishes communication connection with the corresponding railway vehicle according to the charging request and the vehicle information of the railway vehicle transmitted by the signal system, and controls the pantograph charger corresponding to the railway vehicle to descend, to charge the railway vehicle.

Abstract: An apparatus includes a suspension system, a bogie frame with the same, and a rail vehicle. The suspension system includes a vehicle body connecting seat, an elastic component, a transverse damper and a vertical damper. The vehicle body connecting seat is positioned above the elastic component and is connected to the elastic component, and the transverse damper and the vertical damper are respectively hinged to the vehicle body connecting seat and are perpendicular to each other.

Abstract: A traction mechanism, a bogie assembly and a straddle-type monorail vehicle are disclosed. The traction mechanism comprises: a traction component, comprising a traction connecting rod, a first crank and a transmission shaft, the traction connecting rod being suitable to be hinged to a bogie frame, a first end of the first crank being hinged to the traction connecting rod, a second end of the first crank being fixedly connected to the transmission shaft, and the transmission shaft being suitable to be rotatably connected to a vehicle body; and a traction crank, both ends of the traction crank being suitable to be respectively hinged to the bogie frame and the vehicle body, wherein the first end of the first crank is away from the traction crank. The traction mechanism of the present disclosure has a simple and compact structure, and a transmission path of a traction force is short.

Abstract: The disclosure discloses a coupler assembly and a straddle type rail train with the same. The coupler assembly includes a mounting base, a buffering mechanism, a folding mechanism, and a coupler head, one end of the buffering mechanism is interconnected movably with the mounting base, the other end of the buffering mechanism is provided with a pull rod, the pull rod is provided with a limiting portion, one end of the folding mechanism is interconnected movably with the pull rod, the folding mechanism is provided with a locking part, the locking part movably cooperates with the limiting portion to lock or release the pull rod, and the pull rod is fixed at a stretching position when the limiting portion is locked by the locking part, and is movable between a folding position and the stretching position when the limiting portion is released by the locking part; and one end of the coupler head is interconnected with the other end of the folding mechanism.

Abstract: A traction mechanism, a bogie assembly and a straddle-type monorail vehicle are disclosed. The traction mechanism comprises: a traction component, comprising a traction connecting rod, a first crank and a transmission shaft, the traction connecting rod being suitable to be hinged to a bogie frame, a first end of the first crank being hinged to the traction connecting rod, a second end of the first crank being fixedly connected to the transmission shaft, and the transmission shaft being suitable to be rotatably connected to a vehicle body; and a traction crank, both ends of the traction crank being suitable to be respectively hinged to the bogie frame and the vehicle body, wherein the first end of the first crank is away from the traction crank. The traction mechanism of the present disclosure has a simple and compact structure, and a transmission path of a traction force is short.

Abstract: The present disclosure provides a bogie assembly and a straddle-type monorail vehicle with the same. The bogie assembly comprises: a bogie frame; an electric assembly which is mounted on the bogie frame and comprises a traction motor, a gear reducer and a planetary wheel-side reducer, wherein the traction motor is connected with an input shaft of the gear reducer, and an output shaft of the gear reducer is connected with an input end of the planetary wheel-side reducer; and a running wheel which is mounted on the bogie frame, wherein an output end of the planetary wheel-side reducer is connected with a hub of the running wheel.

Abstract: A traction mechanism, a bogie assembly and a straddle-type monorail vehicle are disclosed. The traction mechanism comprises: a traction component, comprising a transmission shaft and a traction connecting rod, the transmission shaft and the traction connecting rod being connected, the transmission shaft being suitable to be rotatably connected to a vehicle body, and the traction connecting rod being suitable to be hinged to a bogie frame; and a traction crank, both ends of the traction crank being suitable to be respectively hinged to the bogie frame and the vehicle body. The traction mechanism of the present disclosure has a simple and compact structure, and a transmission path of a traction force is short. The traction mechanism is convenient to assemble and disassemble, occupies a small space, is wide in usage range, can be used for low-floor and high-floor vehicles, and is also applicable to a single-axle bogie, a double-axle bogie and a multi-axle bogie.

Abstract: The present disclosure provides a bogie frame, a bogie assembly and a rail vehicle. The bogie frame includes a bogie body, the bogie body being substantially rectangular and including a first connecting beam, a second connecting beam, a third connecting beam and a fourth connecting beam which are sequentially connected end to end, where the first connecting beam is opposite to the third connecting beam, the second connecting beam is opposite to the fourth connecting beam, an electric assembly mounting groove is formed in the fourth connecting beam, the thickness of the fourth connecting beam is greater than the thickness of the second connecting beam, and the top wall of the first connecting beam and the top wall of the third connecting beam are connected between the top wall of the second connecting beam and the top wall of the fourth connecting beam in an arc shape.

Abstract: The present disclosure provides a suspension system, a bogie assembly with the same, and a rail vehicle. The suspension system includes a vehicle body connecting seat, an elastic component, a transverse damper and a vertical damper. The vehicle body connecting seat is positioned above the elastic component and is connected to the elastic component, and the transverse damper and the vertical damper are respectively hinged to the vehicle body connecting seat and are perpendicular to each other.

Abstract: The disclosure discloses a coupler assembly and a straddle type rail train with the same. The coupler assembly includes a mounting base, a buffering mechanism, a folding mechanism, and a coupler head, one end of the buffering mechanism is interconnected movably with the mounting base, the other end of the buffering mechanism is provided with a pull rod, the pull rod is provided with a limiting portion, one end of the folding mechanism is interconnected movably with the pull rod, the folding mechanism is provided with a locking part, the locking part movably cooperates with the limiting portion to lock or release the pull rod, and the pull rod is fixed at a stretching position when the limiting portion is locked by the locking part, and is movable between a folding position and the stretching position when the limiting portion is released by the locking part; and one end of the coupler head is interconnected with the other end of the folding mechanism.

Abstract: A traction mechanism, a bogie assembly and a straddle-type monorail vehicle are disclosed. The traction mechanism comprises: a traction component, comprising a transmission shaft and a traction connecting rod, the transmission shaft and the traction connecting rod being connected, the transmission shaft being suitable to be rotatably connected to a vehicle body, and the traction connecting rod being suitable to be hinged to a bogie frame; and a traction crank, both ends of the traction crank being suitable to be respectively hinged to the bogie frame and the vehicle body. The traction mechanism of the present disclosure has a simple and compact structure, and a transmission path of a traction force is short. The traction mechanism is convenient to assemble and disassemble, occupies a small space, is wide in usage range, can be used for low-floor and high-floor vehicles, and is also applicable to a single-axle bogie, a double-axle bogie and a multi-axle bogie.

Abstract: The present disclosure provides a bogie frame, a bogie assembly and a rail vehicle. The bogie frame includes a bogie body, the bogie body being substantially rectangular and including a first connecting beam, a second connecting beam, a third connecting beam and a fourth connecting beam which are sequentially connected end to end, where the first connecting beam is opposite to the third connecting beam, the second connecting beam is opposite to the fourth connecting beam, an electric assembly mounting groove is formed in the fourth connecting beam, the thickness of the fourth connecting beam is greater than the thickness of the second connecting beam, and the top wall of the first connecting beam and the top wall of the third connecting beam are connected between the top wall of the second connecting beam and the top wall of the fourth connecting beam in an arc shape.

Abstract: The present disclosure provides a vehicle body connecting seat and a suspension system. The vehicle body connecting seat includes an upper plate, suitable for being connected to the vehicle body; a web plate, positioned below the upper plate and connected to the upper plate; a lower plate, positioned below the web plate and connected to the web plate, where the surface of the upper plate facing the vehicle body is provided with a buffer cushion.

Abstract: The present disclosure provides a bogie assembly and a straddle-type monorail vehicle with the same. The bogie assembly comprises: a bogie frame; an electric assembly which is mounted on the bogie frame and comprises a traction motor, a gear reducer and a planetary wheel-side reducer, wherein the traction motor is connected with an input shaft of the gear reducer, and an output shaft of the gear reducer is connected with an input end of the planetary wheel-side reducer; and a running wheel which is mounted on the bogie frame, wherein an output end of the planetary wheel-side reducer is connected with a hub of the running wheel.