CN-117657235-B - Magnetic levitation traction bogie and magnetic levitation tractor

CN117657235BCN 117657235 BCN117657235 BCN 117657235BCN-117657235-B

Abstract

The application provides a magnetic levitation traction bogie and a magnetic levitation tractor, wherein the magnetic levitation traction bogie comprises a plurality of bogie units which are connected end to end, the bogie units comprise a frame on which two drawbars are mounted, the drawbars being used for connecting drawbars on adjacent bogie units or for connecting couplers. The magnetic levitation traction bogie can be formed by connecting a plurality of bogie units end to end according to the required traction force, so that the waste of traction force is avoided, meanwhile, the weight of a single bogie unit is lighter, the problem that the whole vehicle of the magnetic levitation traction bogie is heavy is solved, the impact force on a track when the magnetic levitation traction bogie operates is reduced, the running stability and reliability are improved, and the requirements on parts of the magnetic levitation traction bogie are reduced.

Inventors

ZHANG YAXIONG
WU HUICHAO
ZONG BIN
ZHANG HAITAO
WANG LIBING
LU QUAN
LU JIANWEI
LIU FURUI
ZHAO JIANXI

Assignees

中国铁建重工集团股份有限公司

Dates

Publication Date: 20260505
Application Date: 20230815

Claims (7)

1. The magnetic levitation traction bogie is characterized by comprising a plurality of bogie units which are connected end to end, wherein each bogie unit comprises a framework, two traction rods are arranged on the framework, and the traction rods are used for connecting the traction rods on the adjacent bogie units or used for connecting a coupler; The traction rod comprises a connecting section, an adjusting section and a mounting section, wherein the adjusting section is arranged between the connecting section and the mounting section, and the adjusting section can adjust the distance between the connecting section and the mounting section; The two ends of the adjusting section are provided with reverse external threads, one end of the connecting section, which faces the adjusting section, and one end of the mounting section, which faces the adjusting section, are provided with internal threads, and the adjusting section is in threaded connection with the connecting section and the mounting section; The connecting section is provided with a connecting flange at one end deviating from the adjusting section, the traction rod is rotatably arranged on the framework, the framework is provided with a center pin, one end of the mounting section deviating from the adjusting section is provided with a shaft sleeve, and the shaft sleeves of the two traction rods are sleeved on the center pin.
2. The magnetic levitation traction bogie according to claim 1, wherein the framework comprises two oppositely arranged cross beams and longitudinal beams, grooves recessed towards one sides of the longitudinal beams are formed in the middle of the cross beams, two ends of the longitudinal beams are respectively connected to the two grooves, power wheel pairs are connected to the lower portions of the two cross beams, guiding devices are connected to the two ends of the cross beams, batteries are arranged on two sides of the longitudinal beams, and a motor controller and an electrical interface are further arranged on the framework.
3. The magnetic levitation traction bogie of claim 2, wherein the power wheel pair comprises an axle, both ends of the axle are connected with running wheels, a brake is further arranged on the axle, the brake is arranged close to the running wheels, a driving device is arranged in the middle of the axle and connected with the axle, a series of mounting interfaces are further arranged on the axle between the driving device and the brake, a series of suspensions are connected in the series of mounting interfaces, and the axle is connected with the cross beam through the series of suspensions.
4. The magnetically levitated traction truck of claim 3 wherein the primary suspension includes a primary swivel arm, a primary rubber spring mounted at a first end of the primary swivel arm, a rubber joint mounted at a second end of the primary swivel arm, and a stop mounted in a middle portion of the primary swivel arm; A series of rubber spring mounting openings, a stop seat mounting plate and a rubber joint connecting plate are arranged below the cross beam, one end of the series of rubber springs, which is away from the series of rotating arms, is mounted in the series of rubber spring mounting openings, one end of the stop seat, which is away from the series of rotating arms, is fixedly connected with the stop seat mounting plate, and the rubber joint is fixedly connected with the rubber joint connecting plate; the U-shaped bolt fastening piece is sleeved on the primary rotating arm, is positioned on two sides of the primary rubber spring, and is fixedly connected with the primary mounting interface.
5. The magnetically levitated traction truck of claim 2, wherein a support beam is further disposed between two of the cross beams, the battery being mounted on the support beam; the cross beam is connected with the supporting beam through a connecting beam, two opposite battery fixing plates are arranged on the connecting beam, and the battery is arranged between the two battery fixing plates.
6. The magnetic levitation traction bogie according to claim 2, wherein the guiding device comprises an upper support and a lower support, the upper support and the lower support are hinged, a pressure adjusting device is further arranged between the upper support and the lower support, the pressure adjusting device comprises a spring and a guiding rod, one end of the guiding rod is hinged with the upper support, the other end of the guiding rod is arranged in the lower support in a penetrating manner, and the spring is sleeved on the outer side of the guiding rod and is abutted to the lower support; Guide wheels are arranged on two sides of the lower support, and a safety wheel is further arranged at one end, away from the upper support, of the lower support; the upper support deviates from one end of the lower support is provided with a guide connecting plate, the cross beam is provided with a guide fixing plate corresponding to the guide connecting plate, and the guide device is connected with the guide fixing plate on the cross beam through the guide connecting plate.
7. A magnetic levitation traction vehicle characterized by comprising a vehicle body, wherein the magnetic levitation traction bogie as claimed in any of claims 1-6 is arranged below the vehicle body.

Description

Magnetic levitation traction bogie and magnetic levitation tractor Technical Field The application relates to a railway vehicle manufacturing technology, in particular to a magnetic levitation traction bogie and a magnetic levitation traction vehicle. Background The magnetic levitation traction vehicle belongs to a kind of magnetic levitation engineering vehicle and is mainly used for traction in a section of a train and emergency rescue traction of the train. Because the gradient of the magnetic levitation line is large, great traction force is required to be provided when the train is in emergency rescue. The traction force of the magnetic levitation traction vehicle is equal to the weight of the whole vehicle multiplied by the adhesion coefficient of the driving wheel and the track surface, and generally the adhesion coefficient of the driving wheel and the track is basically fixed, so that the weight of the whole vehicle must be increased in order to provide enough traction force. However, the bearing capacity of the track is limited, so that the magnetic levitation traction bogie in the related technology often adopts a multi-axle bogie, the whole weight of the magnetic levitation traction bogie is quite large, the vibration impact on the track is quite large during operation, the stability and the reliability are quite low, and the requirements on parts of the magnetic levitation traction bogie are quite high. Disclosure of Invention In order to overcome the defects in the related art, the application aims to provide the magnetic levitation traction bogie and the magnetic levitation tractor, wherein the magnetic levitation traction bogie can be formed by connecting a plurality of bogie units end to end, the weight of a single bogie unit is lighter, the problem that the whole vehicle of the magnetic levitation tractor is heavy is solved, the impact force on a track when the magnetic levitation tractor operates is reduced, the running stability and reliability are improved, and the requirements on parts of the magnetic levitation tractor are reduced. In one aspect, the application provides a magnetically levitated traction truck comprising a plurality of end-to-end truck units, the truck units comprising a frame on which two drawbars are mounted, the drawbars being used for connecting the drawbars on adjacent truck units or for connecting couplers. In one possible implementation, the traction rod includes a connection section, an adjustment section, and a mounting section, the adjustment section being disposed between the connection section and the mounting section, the adjustment section being adjustable in distance between the connection section and the mounting section. In one possible implementation manner, the two ends of the adjusting section are provided with reverse external threads, the connecting section faces one end of the adjusting section and the mounting section faces one end of the adjusting section and is provided with internal threads, and the adjusting section is in threaded connection with the connecting section and the mounting section. In one possible implementation manner, one end of the connecting section, which is away from the adjusting section, is provided with a connecting flange, the traction rod is rotatably installed on the framework, the framework is provided with a center pin, one end of the installing section, which is away from the adjusting section, is provided with a shaft sleeve, and the shaft sleeves of the two traction rods are sleeved on the center pin. In one possible implementation mode, the framework comprises two oppositely arranged cross beams and longitudinal beams, grooves which are sunken towards one sides of the longitudinal beams are formed in the middle of the cross beams, two ends of the longitudinal beams are respectively connected to the two grooves, power wheel pairs are connected below the two cross beams, guide devices are connected to the two ends of the cross beams, batteries are arranged on the two sides of the longitudinal beams, and a motor controller and an electric interface are further arranged on the framework. In one possible implementation manner, the power wheel set comprises an axle, two ends of the axle are connected with running wheels, a brake is further arranged on the axle, the brake is close to the running wheels, a driving device is arranged in the middle of the axle and connected with the axle, a series of mounting interfaces are further arranged on the axle between the driving device and the brake, a series of suspensions are connected in the series of mounting interfaces, and the axle is connected with the cross beam through the series of suspensions. In one possible implementation, the primary suspension includes a primary rocker arm, a primary rubber spring mounted at a first end of the primary rocker arm, a rubber joint mounted at a second end of the primary rocker arm, and a stop mounted in a middle portion of the prima