WO2019144615A1 - Hydraulic support system for magnetic levitation train and magnetic levitation train - Google Patents

Hydraulic support system for magnetic levitation train and magnetic levitation train Download PDF

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Publication number
WO2019144615A1
WO2019144615A1 PCT/CN2018/102844 CN2018102844W WO2019144615A1 WO 2019144615 A1 WO2019144615 A1 WO 2019144615A1 CN 2018102844 W CN2018102844 W CN 2018102844W WO 2019144615 A1 WO2019144615 A1 WO 2019144615A1
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WIPO (PCT)
Prior art keywords
oil
hydraulic
hydraulic support
tank
oil pipe
Prior art date
Application number
PCT/CN2018/102844
Other languages
French (fr)
Chinese (zh)
Inventor
杜慧杰
李巍
曹科宇
刘政
张兴旺
吴瑞梅
李童生
孙会智
焦东明
梁建全
Original Assignee
中车唐山机车车辆有限公司
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Application filed by 中车唐山机车车辆有限公司 filed Critical 中车唐山机车车辆有限公司
Publication of WO2019144615A1 publication Critical patent/WO2019144615A1/en

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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
    • B61F5/50—Other details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
    • F15B2013/0448—Actuation by solenoid and permanent magnet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20507—Type of prime mover
    • F15B2211/20515—Electric motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6336—Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration

Definitions

  • the present application relates to the field of rail transit, and in particular to a magnetic suspension train hydraulic production system and a magnetic levitation train.
  • the magnetic levitation vehicle is a new type of rail vehicle that suspends the vehicle through the electromagnetic levitation control system and maintains a certain gap with the track to pull the vehicle forward/backward through the linear motor. Since it is not in contact with the track like a conventional train, the safety performance of the magnetic levitation vehicle is extremely high, and a means for ensuring the safe operation of the magnetic levitation vehicle in the event of a malfunction of the electromagnetic levitation control system of the magnetic levitation vehicle is required.
  • the present application provides a magnetic suspension train hydraulic support system, the system comprising a hydraulic support device, a control panel and a hydraulic station fixed to the vehicle bottom, the bogie of the magnetic levitation train Hydraulically supported devices are provided on each of the four corners, and the control panel controls the relative position between the hydraulic support device and the track plane by the hydraulic station, which feeds back the positional state of the hydraulic support device to the control panel.
  • control panel includes a lifting selection knob and a pumping button, and the lifting selection knob and the pumping button are both connected to the hydraulic station;
  • the pump button is used to control the start and stop state of the hydraulic station
  • the lift selection knob is used to control the hydraulic station to thereby adjust the relative position between the hydraulic support device and the track plane.
  • control panel further includes an in-position indicator light, the in-position indicator light is coupled to the hydraulic station for receiving an indication of the in-position indication signal sent by the hydraulic station.
  • the hydraulic station includes a fuel tank, an oil pump motor, a two-position two-way solenoid valve, and a two-position three-way solenoid valve;
  • the oil pump motor is connected to the control panel and the oil tank for starting when receiving the pumping signal sent by the pump button or the rising signal sent by the lifting selector knob, and sending the pumping signal sent by the pumping button or the lifting of the lifting selector knob Stop when signalling;
  • the oil tank is used for storing hydraulic oil and is connected to the hydraulic support device through the oil pipe;
  • the two-position two-way solenoid valve and the two-position three-way solenoid valve are disposed on a pipeline of the oil pipe;
  • the two-position two-way solenoid valve is connected to the start pump button of the control panel for receiving electricity when receiving the pumping signal sent by the pump button, and turning on the oil pipe between the fuel tank and the hydraulic support device to make the hydraulic pressure in the oil pipe The oil pushes the hydraulic support device closer to the plane of the track;
  • the two-position three-way solenoid valve is connected to the lifting and selecting knob of the control panel for powering when receiving the falling signal sent by the lifting selector knob, cutting off the connection between the hydraulic station and the hydraulic supporting device, and causing the hydraulic pressure in the oil pipe The oil is returned to the tank.
  • the hydraulic station further includes a first pressure relay disposed on a pipeline of the oil pipe between the fuel tank and the hydraulic support device for detecting real-time oil pressure in the oil pipe And sending a position indication signal to the control panel when the real-time oil pressure reaches the preset oil pressure, and sending a pressure maintaining signal to the two-position three-way solenoid valve, so that the two-position three-way solenoid valve blocks the between the fuel tank and the hydraulic support device.
  • a first pressure relay disposed on a pipeline of the oil pipe between the fuel tank and the hydraulic support device for detecting real-time oil pressure in the oil pipe And sending a position indication signal to the control panel when the real-time oil pressure reaches the preset oil pressure, and sending a pressure maintaining signal to the two-position three-way solenoid valve, so that the two-position three-way solenoid valve blocks the between the fuel tank and the hydraulic support device.
  • a first pressure relay disposed on a pipeline of the oil pipe between the fuel tank and the hydraulic support device for detecting real-time oil
  • the hydraulic station further includes a second pressure relay disposed on a pipeline of the oil pipe between the oil tank and the hydraulic support device for detecting real-time oil pressure in the oil pipe And send a stop signal to the pump motor when the real-time oil pressure exceeds the preset oil pressure.
  • the hydraulic station further includes a manual unloading valve, the manual unloading valve is disposed on a pipeline of the oil pipe between the oil tank and the hydraulic support device, and the working state of the manual unloading valve Including open state and closed state;
  • the open state is used to turn on the oil pipe between the oil tank and the hydraulic support device, so that the hydraulic oil in the oil pipe is returned to the oil tank;
  • the closed state is for blocking the oil pipe between the fuel tank and the hydraulic support device when the real-time oil pressure in the oil pipe reaches the preset oil pressure.
  • the oil tank includes an oil absorption bunker and a return oil bunker, a baffle is disposed between the oil absorption bunker and the oil return bunker, and the oil absorption bunker is provided with an oil suction port, and the oil absorption port
  • the port is connected to the oil suction pipe, and the hydraulic oil pumped by the oil pump through the oil pump motor flows through the oil suction port and the oil suction pipe to the hydraulic support device;
  • the oil return port is provided with a oil return port, and the oil return port is connected to the oil oil pipe
  • the hydraulic oil flowing back in the hydraulic station flows through the oil suction pipe and the oil suction port into the oil tank.
  • the fuel tank is provided with a liquid level display for displaying the amount of hydraulic oil in the fuel tank in real time.
  • a filter is disposed in the fuel tank and the oil pipe for filtering impurities in the hydraulic oil in the oil tank and the oil pipe.
  • the hydraulic station further includes a relief valve disposed in the oil pipe for detecting a real-time oil pressure in the oil pipe, and the real-time oil pressure in the oil pipe exceeds the When the rated oil pressure of the relief valve is reached, the connection between the hydraulic station and the hydraulic support device is cut off, so that the hydraulic oil in the oil pipe is returned to the oil tank.
  • system further includes a housing that is mounted in the housing and secured to the underbody by the housing.
  • the hydraulic support device includes a mounting member, a hydraulic support cylinder, and a hydraulic support cylinder.
  • the hydraulic support cylinder is mounted on the bogie of the maglev train through a mounting member and connected to the fuel tank through the oil pipe.
  • the hydraulic support wheel is fixed to the bottom of the hydraulic support cylinder for rolling on the plane of the track when the hydraulic support wheel is in contact with the plane of the track.
  • the hydraulic support cylinder includes a housing, a spring, and a piston rod, the housing being mounted on a bogie of a maglev train, the spring and the piston rod being disposed in the housing, One end of the piston rod is connected to the oil tank through a oil pipe, the other end of the piston rod is fixedly connected with the hydraulic support wheel, the spring is sleeved on the outside of the piston rod, and both ends of the spring and the outer casing The inner wall is fixedly connected.
  • the present application provides a magnetic levitation train including at least one train, each of which is provided with a bogie, and the four vertices of the bogie are disposed There is a hydraulic support device as described above.
  • the hydraulic support devices disposed on the four corners of the bogie are connected to the same hydraulic station, and the hydraulic station divides the oil pipe into two paths through the pipe joint, respectively controlling the left and right Hydraulic support on the side.
  • the hydraulic support system described in the present application can provide a backup system for the electromagnetic suspension control system of the magnetic suspension vehicle.
  • the electromagnetic suspension control system of the magnetic suspension vehicle fails, it provides control and power for the car bogie to rise or fall, and is under pressure. In the state, it can cooperate with the vehicle to walk.
  • FIG. 1 is a schematic view showing the installation position of the hydraulic support device 1 according to the embodiment
  • FIG. 2 is a schematic structural view of a hydraulic station according to the embodiment
  • FIG. 3 is a schematic view showing the installation position of the two-position three-way solenoid valve 5, the first pressure relay 6, and the second pressure relay 7 according to the embodiment;
  • FIG. 4 is a schematic view showing the installation position of the two-position two-way solenoid valve 4 and the manual unloading valve 8 according to the embodiment;
  • Figure 5 is a schematic view showing the structure of a valve of a hydraulic station according to the embodiment.
  • FIG. 6 is a schematic structural diagram of a control panel according to the embodiment.
  • Figure 7 is a schematic structural view of the hydraulic support device 1 according to the embodiment.
  • FIG. 8 is a schematic view showing the installation structure of the hydraulic support cylinder 13 and the hydraulic support wheel 14 according to the embodiment
  • FIG. 9 is a schematic structural view of the hydraulic support cylinder 13 according to the embodiment.
  • the embodiment provides a magnetic suspension train hydraulic support system, which comprises a hydraulic support device 1, a control panel and a hydraulic station, the hydraulic station is fixed on the bottom of the vehicle, and the four corners of the bogie of the maglev train are set.
  • a hydraulic support device 1 as shown in Fig. 1, which controls the relative position between the hydraulic support device 1 and the track plane by a hydraulic station that feeds back the positional state of the hydraulic support device 1 to the control panel.
  • the hydraulic station is hoisted at the bottom of the maglev train.
  • the casing 11 may be disposed outside the hydraulic station and fixed to the bottom of the maglev train through the casing 11.
  • the hydraulic station mainly uses the oil pump motor 3 to pump the hydraulic oil in the oil tank 2 to hydraulically control the hydraulic control device. That is, when the oil pump motor 3 pumps the hydraulic oil to the hydraulic control device, the hydraulic control device moves toward the rail surface; when the hydraulic control device reaches a certain height from the rail surface, the hydraulic station enters the pressure holding state, that is, the hydraulic station is kept hydraulically controlled.
  • the oil pressure pumped by the device when the oil pump motor 3 stops working, the hydraulic control device automatically retracts according to the weight of the bogie and the train itself, and the hydraulic control device moves away from the rail surface, thereby causing the bogie to be lowered.
  • control panel can be placed on the operating electrical cabinet of the train.
  • the control panel is provided with a button operation instruction for controlling the working state of the hydraulic station, as shown in FIG. 6, which includes a lifting selection knob, a pumping button and an in-position indicator.
  • the lifting selection knob, the pumping button and the in-position indicator are all connected to a hydraulic station, and the pumping button is used for controlling the starting and stopping state of the oil pump motor 3 in the hydraulic station; the lifting selection knob is used for controlling the hydraulic station to adjust the hydraulic support
  • the relative position between the device 1 and the plane of the track, the lift selection knob includes three gear positions: ascending, descending and closing, the upshift position is to raise the bogie by controlling the hydraulic support device 1, and the downshift position is controlled by the hydraulic pressure
  • the support device 1 lowers the bogie, and the gear position is not required to control the position of the bogie; the in-position indicator light is used to receive and indicate the in-position indication signal sent by the hydraulic station.
  • the oil pump motor 3 is connected to the control panel and the oil tank 2, and a gear pump 19 is connected between the oil pump motor 3 and the oil tank 2 for receiving the pumping signal sent by the pump button or the rising signal sent by the lifting selector knob.
  • the startup is stopped when receiving the pump stop signal sent by the start pump button or the falling signal sent by the lifting selector knob; the oil tank 2 is used for storing the hydraulic oil, and the exhaust hole 20 is opened, and is connected to the hydraulic support device 1 through the oil pipe.
  • the hydraulic station of the present embodiment includes a two-position two-way solenoid valve 4 and a two-position three-way solenoid valve 5 in addition to the basic components of the oil pump motor 3 and the oil tank 2 described above.
  • the two-position two-way solenoid valve 4 and the two-position three-way solenoid valve 5 are disposed on the pipeline of the oil pipe.
  • the two-position two-way solenoid valve 4 is connected to the start pump button of the control panel for receiving electricity when receiving the pumping signal sent by the pump button, and turning on the oil pipe between the oil tank 2 and the hydraulic support device 1 to make the oil pipe
  • the hydraulic oil in the middle pushes the hydraulic support device 1 closer to the track plane
  • the two-position three-way solenoid valve 5 is connected to the lifting and selecting knob of the control panel for powering when receiving the falling signal sent by the lifting selector knob, cutting off the hydraulic pressure
  • the connection between the station and the hydraulic support device 1 causes the hydraulic oil in the oil pipe to flow back into the oil tank 2.
  • the hydraulic station described in this embodiment further includes a first pressure relay 6 and a second pressure relay 7, both of which are disposed between the oil tank 2 and the hydraulic support device 1.
  • the first pressure relay 6 is configured to detect the real-time oil pressure in the oil pipe, and send a position indication signal to the control panel when the real-time oil pressure reaches the preset oil pressure, and to the two-position three-way solenoid valve 5 The pressure maintaining signal is transmitted so that the two-position three-way solenoid valve 5 blocks the oil pipe between the oil tank 2 and the hydraulic support device 1.
  • the second pressure relay 7 is for detecting a real-time oil pressure in the oil pipe, and sends a stop signal to the oil pump motor 3 when the real-time oil pressure exceeds the preset oil pressure.
  • the hydraulic support device 1 includes a mounting member 12, a hydraulic support cylinder 13 and a hydraulic support wheel 14, and the hydraulic support cylinder 13 is mounted on the steering of the maglev train through the mounting member 12.
  • the frame is connected to the oil tank 2 via a fuel pipe, and the hydraulic support wheel 14 is fixed to the bottom of the hydraulic support cylinder 13 for rolling on the track plane when the hydraulic support wheel 14 comes into contact with the plane of the track.
  • the hydraulic support cylinder 13 includes a housing 15, a spring 16, and a piston rod 17, which are mounted on a bogie of a maglev train, and the spring 16 and the piston rod 17 are both disposed.
  • the outer casing 15 one end of the piston rod 17 is connected to the oil tank 2 through an oil pipe, the other end of the piston rod 17 is fixedly connected to the hydraulic support wheel 14, and the spring 16 is sleeved on the piston rod
  • the outside of the outer portion 17 and the ends of the spring 16 are fixedly coupled to the inner wall of the outer casing 15.
  • the oil pump motor 3 When the bogie needs to be raised, the oil pump motor 3 is activated by operating the start pump button on the control panel of the electrical cabinet, and the two-position two-way solenoid valve 4 is energized, and the hydraulic oil is transmitted to the hydraulic support cylinder 13 through the oil pipe, and the hydraulic support The cylinder 13 starts to move downward, the bogie starts to rise, and when the first pressure relay 6 reaches the set pressure value, the bogie is raised to the position. At this point, the in-position indicator on the control panel lights up.
  • the gap between the bogie and the rail surface is approximately 8 mm to 10 mm.
  • the hydraulic station When the bogie is raised, the hydraulic station needs to be in a pressure-holding state to cooperate with the vehicle. At this time, the hydraulic support wheel 14 rolls on the track plane, and the whole system does not need to start any equipment under the pressure holding state. The vehicle is allowed to run to a destination at a low speed. The problem of congestion of the entire line due to the failure of the vehicle is avoided.
  • the oil pump motor 3 does not need to be activated, the lifting and selecting knob of the control panel is adjusted to the downshift position, the two-position three-way solenoid valve 5 is energized, the hydraulic station is unloaded, and the hydraulic support cylinder 13 drives the hydraulic support wheel 14 Relying on the bogie and the weight of the vehicle itself, moving away from the rail surface.
  • the hydraulic station according to the embodiment further includes a manual unloading valve 8, and the manual unloading valve 8 is disposed on the tube of the oil pipe between the oil tank 2 and the hydraulic support device 1.
  • the working state of the manual unloading valve 8 includes an open state and a closed state;
  • the open state is used to turn on the oil pipe between the oil tank 2 and the hydraulic support device 1 to return the hydraulic oil in the oil pipe to the oil tank 2;
  • the closed state is for blocking the oil pipe between the oil tank 2 and the hydraulic support device 1 when the real-time oil pressure in the oil pipe reaches the preset oil pressure.
  • the manual unloading valve 8 described in this embodiment can be directly relieved in the absence of power and electromagnetic valve failure, and the hydraulic oil directly flows back into the oil tank 2.
  • the hydraulic station of the embodiment further includes a relief valve 10, the relief valve 10 is disposed in the oil pipe for detecting the real-time oil pressure in the oil pipe, and the real-time oil pressure in the oil pipe exceeds the When the rated oil pressure of the relief valve 10 is reached, the connection between the hydraulic station and the hydraulic support device 1 is cut off, and the hydraulic oil in the oil pipe is returned to the oil tank 2.
  • the oil tank 2 of the embodiment includes an oil absorption bin and a return oil tank, a partition plate is disposed between the oil absorption bunker and the oil return bunker, and the oil absorption bunker is provided with an oil suction port, and the oil absorption port
  • the port is connected to the oil suction pipe, and the hydraulic oil pumped by the oil pump 2 through the oil pump motor 3 flows through the oil suction port and the oil suction pipe to the hydraulic support device 1;
  • the oil return port is provided with a oil return port, and the oil return port is connected Returning the oil pipe, the hydraulic oil flowing back in the hydraulic station flows through the oil suction pipe and the oil suction port into the oil tank 2, thereby separating the air bubbles and foreign matter brought back by the oil.
  • the fuel tank 2 of the embodiment is further provided with a liquid level display 9 for displaying the amount of hydraulic oil in the fuel tank 2 in real time, so that the relevant staff can replenish the hydraulic oil in time.
  • a filter 18 is disposed in the oil tank 2 and the oil pipe of the present embodiment for filtering impurities in the hydraulic oil in the oil tank 2 and the oil pipe.
  • the embodiment also provides a magnetic levitation train, the magnetic levitation train includes at least one train, and the at least one train is provided with a bogie, and the four corners of the bogie are provided with a hydraulic support device 1
  • the hydraulic support device 1 disposed on the four corners of the bogie is connected to the same hydraulic station, and the hydraulic station divides the oil pipe into two paths through a pipe joint to respectively control the hydraulic support devices 1 on the left and right sides.
  • the hydraulic support device 1 includes a mounting member 12, a hydraulic support cylinder 13 and a hydraulic support wheel 14, and the hydraulic support cylinder 13 is mounted on the bogie of the maglev train through the mounting member 12 and connected to the oil tank 2 through the oil pipe.
  • the hydraulic support wheel 14 is fixed to the bottom of the hydraulic support cylinder 13 for rolling on the track plane when the hydraulic support wheel 14 is in contact with the track plane.
  • the hydraulic support cylinder 13 includes a housing 15, a spring 16 and a piston rod 17, and the housing 15 is mounted on a bogie of a maglev train, and the spring 16 and the piston rod 17 are both disposed in the housing 15.
  • One end of the piston rod 17 is connected to the oil tank 2 through an oil pipe, and the other end of the piston rod 17 is fixedly connected to the hydraulic support wheel 14, and the spring 16 is sleeved on the outside of the piston rod 17, and Both ends of the spring 16 are fixedly coupled to the inner wall of the outer casing 15.
  • each car is provided with a bogie, and hydraulic support devices 1 are arranged at four corners of the bogie, each hydraulic support device 1 includes two hydraulic support cylinders 13 and The hydraulic support wheels 14 are connected, and then all of the hydraulic support wheels 14 are connected in series by the oil pipe. Then, by operating the switches and buttons on the control panel, the components inside the hydraulic station are powered, and the lifting control of the bogie is realized.
  • the specific working principle is as follows:
  • control panel described in this embodiment is not limited to the elevation selection knob, the start pump button, and the in-position indicator, but also a button for controlling the power supply, or a button for displaying whether the motor has failed or the like.

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Abstract

A hydraulic support system for a magnetic levitation train and the magnetic levitation train, the system comprising hydraulic support devices (1), a control panel and a hydraulic station, wherein the hydraulic station is fixed to the bottom of the train, and each of four corners of a bogie of the magnetic levitation train is provided thereon with a hydraulic support device (1); the control panel controls the relative position between the hydraulic support devices (1) and a track plane by means of the hydraulic station, and the hydraulic station feeds back the positional state of the hydraulic support devices (1) to the control panel. The described magnetic levitation train comprises at least one train car, the at least one train car is provided with a bogie, and each of the four corners of the bogie is provided thereon with the described hydraulic support device (1).

Description

一种磁悬浮列车液压支撑***及磁悬浮列车Magnetic suspension train hydraulic support system and maglev train 技术领域Technical field
本申请涉及轨道交通领域，尤其涉及一种磁悬浮列车液压制成***及磁悬浮列车。The present application relates to the field of rail transit, and in particular to a magnetic suspension train hydraulic production system and a magnetic levitation train.
背景技术Background technique
磁悬浮车辆是通过电磁悬浮控制***使车辆悬浮起来，并与轨道保持一定的间隙，通过直线电机牵引车辆向前/后运动的新型轨道车辆。由于其并不是如常规列车一样与轨道接触的，因此，对于磁悬浮车辆的安全性能要求极高，也就需要一种能够在磁悬浮车辆电磁悬浮控制***发生故障时保证磁悬浮车辆安全运行的手段。The magnetic levitation vehicle is a new type of rail vehicle that suspends the vehicle through the electromagnetic levitation control system and maintains a certain gap with the track to pull the vehicle forward/backward through the linear motor. Since it is not in contact with the track like a conventional train, the safety performance of the magnetic levitation vehicle is extremely high, and a means for ensuring the safe operation of the magnetic levitation vehicle in the event of a malfunction of the electromagnetic levitation control system of the magnetic levitation vehicle is required.
发明内容Summary of the invention
为解决上述技术问题之一，本申请提供了一种磁悬浮列车液压支撑***，所述***包括液压支撑装置、控制面板和液压站，所述液压站固定在车底，所述磁悬浮列车的转向架的四个顶角上均设置有液压支撑装置，所述控制面板通过液压站控制液压支撑装置与轨道平面之间的相对位置，所述液压站将液压支撑装置的位置状态反馈至控制面板。To solve one of the above technical problems, the present application provides a magnetic suspension train hydraulic support system, the system comprising a hydraulic support device, a control panel and a hydraulic station fixed to the vehicle bottom, the bogie of the magnetic levitation train Hydraulically supported devices are provided on each of the four corners, and the control panel controls the relative position between the hydraulic support device and the track plane by the hydraulic station, which feeds back the positional state of the hydraulic support device to the control panel.
在一些可选的实现方式中，所述控制面板包括升降选择旋钮和启泵按钮，所述升降选择旋钮和启泵按钮均连接液压站；In some optional implementations, the control panel includes a lifting selection knob and a pumping button, and the lifting selection knob and the pumping button are both connected to the hydraulic station;
所述启泵按钮用于控制液压站的启停状态；The pump button is used to control the start and stop state of the hydraulic station;
所述升降选择旋钮用于控制液压站进而调节液压支撑装置与轨道平面之间的相对位置。The lift selection knob is used to control the hydraulic station to thereby adjust the relative position between the hydraulic support device and the track plane.
在一些可选的实现方式中，所述控制面板还包括到位指示灯，所述到位指示灯与液压站连接，用于接收液压站发送的到位指示信号并进行指示。In some optional implementations, the control panel further includes an in-position indicator light, the in-position indicator light is coupled to the hydraulic station for receiving an indication of the in-position indication signal sent by the hydraulic station.
在一些可选的实现方式中，所述液压站包括油箱、油泵电机、两位两通电磁阀和两位三通电磁阀；In some optional implementations, the hydraulic station includes a fuel tank, an oil pump motor, a two-position two-way solenoid valve, and a two-position three-way solenoid valve;
所述油泵电机连接控制面板和油箱，用于在接收启泵按钮发送的启泵信号或升降选择旋钮发送的上升信号时启动，在接收启泵按钮发送的停泵信号或升降选择旋钮发送的下降信号时停止；The oil pump motor is connected to the control panel and the oil tank for starting when receiving the pumping signal sent by the pump button or the rising signal sent by the lifting selector knob, and sending the pumping signal sent by the pumping button or the lifting of the lifting selector knob Stop when signalling;
所述油箱用于存放液压油，并通过油管与液压支撑装置连接；The oil tank is used for storing hydraulic oil and is connected to the hydraulic support device through the oil pipe;
所述两位两通电磁阀与所述两位三通电磁阀设置在所述油管的管路上；The two-position two-way solenoid valve and the two-position three-way solenoid valve are disposed on a pipeline of the oil pipe;
所述两位两通电磁阀连接控制面板的启泵按钮，用于在接收启泵按钮发送的启泵信号时得电，并导通油箱与液压支撑装置之间的油管，使油管中的液压油推动液压支撑装置向轨道平面靠近；The two-position two-way solenoid valve is connected to the start pump button of the control panel for receiving electricity when receiving the pumping signal sent by the pump button, and turning on the oil pipe between the fuel tank and the hydraulic support device to make the hydraulic pressure in the oil pipe The oil pushes the hydraulic support device closer to the plane of the track;
所述两位三通电磁阀连接控制面板的升降选择旋钮，用于在接收升降选择旋钮发送的下降信号时得电，切断所述液压站与液压支撑装置之间的连接，使油管中的液压油回流至油箱中。The two-position three-way solenoid valve is connected to the lifting and selecting knob of the control panel for powering when receiving the falling signal sent by the lifting selector knob, cutting off the connection between the hydraulic station and the hydraulic supporting device, and causing the hydraulic pressure in the oil pipe The oil is returned to the tank.
在一些可选的实现方式中，所述液压站还包括第一压力继电器，所述第一压力继电器设置在油箱与液压支撑装置之间的油管的管路上，用于检测油管内的实时油压，并在实时油压达到预设油压时向控制面板发送到位指示信号，以及向两位三通电磁阀发送保压信号，使两位三通电磁阀阻断油箱与液压支撑装置之间的油管。In some optional implementations, the hydraulic station further includes a first pressure relay disposed on a pipeline of the oil pipe between the fuel tank and the hydraulic support device for detecting real-time oil pressure in the oil pipe And sending a position indication signal to the control panel when the real-time oil pressure reaches the preset oil pressure, and sending a pressure maintaining signal to the two-position three-way solenoid valve, so that the two-position three-way solenoid valve blocks the between the fuel tank and the hydraulic support device. Tubing.
在一些可选的实现方式中，所述液压站还包括第二压力继电器，所述第二压力继电器设置在油箱与液压支撑装置之间的油管的管路上，用于检测油管内的实时油压，并在实时油压超过预设油压时向油泵电机发送停止信号。In some optional implementations, the hydraulic station further includes a second pressure relay disposed on a pipeline of the oil pipe between the oil tank and the hydraulic support device for detecting real-time oil pressure in the oil pipe And send a stop signal to the pump motor when the real-time oil pressure exceeds the preset oil pressure.
在一些可选的实现方式中，所述液压站还包括手动卸荷阀，所述手动卸荷阀设置在油箱与液压支撑装置之间的油管的管路上，所述手动卸荷阀的工作状态包括开启状态和关闭状态；In some optional implementations, the hydraulic station further includes a manual unloading valve, the manual unloading valve is disposed on a pipeline of the oil pipe between the oil tank and the hydraulic support device, and the working state of the manual unloading valve Including open state and closed state;
所述开启状态用于导通油箱与液压支撑装置之间的油管，使油管中的液压油回流至油箱中；The open state is used to turn on the oil pipe between the oil tank and the hydraulic support device, so that the hydraulic oil in the oil pipe is returned to the oil tank;
所述关闭状态用于在油管内的实时油压达到预设油压时，阻断油箱与液压支撑装置之间的油管。The closed state is for blocking the oil pipe between the fuel tank and the hydraulic support device when the real-time oil pressure in the oil pipe reaches the preset oil pressure.
在一些可选的实现方式中，所述油箱包括吸油仓和回油仓，所述吸油仓与所述回油仓之间设置有隔板，所述吸油仓上设置有吸油口，所述吸油口连接吸油油管，所述油箱通过油泵电机泵出的液压油通过所述吸油口和吸油油管流向液压支撑装置；所述回油仓上设置有回油口，所述回油口连接回油油管，所述液压站中回流的液压油流经所述吸油油管和吸油口流入油箱。In some optional implementations, the oil tank includes an oil absorption bunker and a return oil bunker, a baffle is disposed between the oil absorption bunker and the oil return bunker, and the oil absorption bunker is provided with an oil suction port, and the oil absorption port The port is connected to the oil suction pipe, and the hydraulic oil pumped by the oil pump through the oil pump motor flows through the oil suction port and the oil suction pipe to the hydraulic support device; the oil return port is provided with a oil return port, and the oil return port is connected to the oil oil pipe The hydraulic oil flowing back in the hydraulic station flows through the oil suction pipe and the oil suction port into the oil tank.
在一些可选的实现方式中，所述油箱上设置有液位显示器，用于实时显示油箱中的液压油的油量。In some optional implementations, the fuel tank is provided with a liquid level display for displaying the amount of hydraulic oil in the fuel tank in real time.
在一些可选的实现方式中，所述油箱和油管中均设置有过滤器，用于过滤油箱和油管中的液压油中的杂质。In some optional implementations, a filter is disposed in the fuel tank and the oil pipe for filtering impurities in the hydraulic oil in the oil tank and the oil pipe.
在一些可选的实现方式中，所述液压站还包括溢流阀，所述溢流阀设置在油管中，用于检测油管中的实时油压，并在油管中的实时油压超过所述溢流阀的额定油压时，切断所述液压站与液压支撑装置之间的连接，使油管中的液压油回流至油箱中。In some optional implementations, the hydraulic station further includes a relief valve disposed in the oil pipe for detecting a real-time oil pressure in the oil pipe, and the real-time oil pressure in the oil pipe exceeds the When the rated oil pressure of the relief valve is reached, the connection between the hydraulic station and the hydraulic support device is cut off, so that the hydraulic oil in the oil pipe is returned to the oil tank.
在一些可选的实现方式中，所述***还包括壳体，所述液压站安装在所述壳体中，并通过壳体固定在车底。In some optional implementations, the system further includes a housing that is mounted in the housing and secured to the underbody by the housing.
在一些可选的实现方式中，所述液压支撑装置包括安装件、液压支撑油缸和液压支撑轮，所述液压支撑油缸通过安装件安装在磁悬浮列车的转向架上并通过油管与油箱连接，所述液压支撑轮固定在所述液压支撑油缸的底部，用于当液压支撑轮与轨道平面接触时在轨道平面上滚动。In some optional implementations, the hydraulic support device includes a mounting member, a hydraulic support cylinder, and a hydraulic support cylinder. The hydraulic support cylinder is mounted on the bogie of the maglev train through a mounting member and connected to the fuel tank through the oil pipe. The hydraulic support wheel is fixed to the bottom of the hydraulic support cylinder for rolling on the plane of the track when the hydraulic support wheel is in contact with the plane of the track.
在一些可选的实现方式中，所述液压支撑油缸包括外壳、弹簧和活塞杆，所述外壳通过安装在磁悬浮列车的转向架上，所述弹簧和活塞杆均设置在所述外壳中，所述活塞杆的一端通过油管与油箱连接，所述活塞杆的另一端与所述液压支撑轮固定连接，所述弹簧套设在所述活塞杆的外部，且所述弹簧的两端与外壳的内壁固定连接。In some optional implementations, the hydraulic support cylinder includes a housing, a spring, and a piston rod, the housing being mounted on a bogie of a maglev train, the spring and the piston rod being disposed in the housing, One end of the piston rod is connected to the oil tank through a oil pipe, the other end of the piston rod is fixedly connected with the hydraulic support wheel, the spring is sleeved on the outside of the piston rod, and both ends of the spring and the outer casing The inner wall is fixedly connected.
为解决上述技术问题之一，本申请提供了一种磁悬浮列车，所述磁悬浮列车包括至少一列车厢，所述至少一列车厢上均设置有转向架，所述转向架的四个顶角上均设置有如上所述的液压支撑装置。In order to solve the above technical problem, the present application provides a magnetic levitation train including at least one train, each of which is provided with a bogie, and the four vertices of the bogie are disposed There is a hydraulic support device as described above.
在一些可选的实现方式中，所述转向架的四个顶角上所设置的液压支撑装置连接同一个液压站，所述液压站通过管路接头将油管分为两路，分别控制左右两侧的液压支撑装置。In some optional implementations, the hydraulic support devices disposed on the four corners of the bogie are connected to the same hydraulic station, and the hydraulic station divides the oil pipe into two paths through the pipe joint, respectively controlling the left and right Hydraulic support on the side.
本申请的有益效果如下：The beneficial effects of the application are as follows:
本申请所述的液压支撑***能够为磁悬浮车辆电磁悬浮控制***提供备用***，当磁悬浮车辆电磁悬浮控制***发生故障时，为车体转向架升起或降落提供控制及动力，并在处于保压状态下能够配合车辆行走。The hydraulic support system described in the present application can provide a backup system for the electromagnetic suspension control system of the magnetic suspension vehicle. When the electromagnetic suspension control system of the magnetic suspension vehicle fails, it provides control and power for the car bogie to rise or fall, and is under pressure. In the state, it can cooperate with the vehicle to walk.
附图说明DRAWINGS
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：The drawings described herein are intended to provide a further understanding of the present application, and are intended to be a part of this application. In the drawing:
图1为本实施例所述的液压支撑装置1的安装位置示意图；1 is a schematic view showing the installation position of the hydraulic support device 1 according to the embodiment;
图2为本实施例所述的液压站的结构示意图；2 is a schematic structural view of a hydraulic station according to the embodiment;
图3为本实施例所述的两位三通电磁阀5、第一压力继电器6和第二压力继电器7的安装位置示意图；3 is a schematic view showing the installation position of the two-position three-way solenoid valve 5, the first pressure relay 6, and the second pressure relay 7 according to the embodiment;
图4为本实施例所述的两位两通电磁阀4和手动卸荷阀8的安装位置示意图；4 is a schematic view showing the installation position of the two-position two-way solenoid valve 4 and the manual unloading valve 8 according to the embodiment;
图5为本实施例所述的液压站的阀路结构示意图；Figure 5 is a schematic view showing the structure of a valve of a hydraulic station according to the embodiment;
图6为本实施例所述的控制面板的结构示意图；6 is a schematic structural diagram of a control panel according to the embodiment;
图7为本实施例所述的液压支撑装置1的结构示意图；Figure 7 is a schematic structural view of the hydraulic support device 1 according to the embodiment;
图8为本实施例所述的液压支撑油缸13和液压支撑轮14的安装结构示意图；FIG. 8 is a schematic view showing the installation structure of the hydraulic support cylinder 13 and the hydraulic support wheel 14 according to the embodiment;
图9为本实施例所述的液压支撑油缸13的结构示意图。FIG. 9 is a schematic structural view of the hydraulic support cylinder 13 according to the embodiment.
附图标号：Reference number:
1、液压支撑装置，2、油箱，3、油泵电机，4、两位两通电磁阀，5、两位三通电磁阀，6、第一压力继电器，7、第二压力继电器，8、手动卸荷阀，9、液位显示器，10、溢流阀，11、壳体，12、安装件，13、液压支撑油缸，14、液压支撑轮，15、外壳，16、弹簧，17、活塞杆，18、过滤器，19、齿轮泵，20、排气孔1, hydraulic support device, 2, fuel tank, 3, oil pump motor, 4, two-way two-way solenoid valve, 5, two-way three-way solenoid valve, 6, first pressure relay, 7, second pressure relay, 8, manual Unloading valve, 9, liquid level display, 10, relief valve, 11, housing, 12, mounting parts, 13, hydraulic support cylinder, 14, hydraulic support wheel, 15, housing, 16, spring, 17, piston rod , 18, filter, 19, gear pump, 20, vent
具体实施方式Detailed ways
为了使本申请实施例中的技术方案及优点更加清楚明白，以下结合附图对本申请的示例性实施例进行进一步详细的说明，显然，所描述的实施例仅是本申请的一部分实施例，而不是所有实施例的穷举。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。The exemplary embodiments of the present application are further described in detail below with reference to the accompanying drawings. Not all embodiments are exhaustive. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.
本实施例提出一种磁悬浮列车液压支撑***，该***包括液压支撑装置1、控制面板和液压站，所述液压站固定在车底，所述磁悬浮列车的转向架的四个顶角上均设置有液压支撑装置1，如图1所示，所述控制面板通过液压站控制液压支撑装置1与轨道平面之间的相对位置，所述液压站将液压支撑装置1的位置状态反馈至控制面板。The embodiment provides a magnetic suspension train hydraulic support system, which comprises a hydraulic support device 1, a control panel and a hydraulic station, the hydraulic station is fixed on the bottom of the vehicle, and the four corners of the bogie of the maglev train are set. There is a hydraulic support device 1, as shown in Fig. 1, which controls the relative position between the hydraulic support device 1 and the track plane by a hydraulic station that feeds back the positional state of the hydraulic support device 1 to the control panel.
具体的，如图2所示，液压站吊装在磁悬浮列车的底部，为了便于拆卸和保护，可在液压站的外部设置壳体11，通过壳体11固定在磁悬浮列车的底部。所述液压站主要采用油泵电机3泵送油箱2中的液压油的方式对液压控制装置进行液压控制的。即当油泵电机3向液压控制装置泵送液压油时，液压控制装置向轨面方向移动；当液压控制装置到达距离轨面一定高度时，液压站进入保压状态，即保持液压站向液压控制装置泵送的油压；当油泵电机3停止工作时，液压控制装置依靠转向架及列车自身重量自动收回，液压控制装置向远离轨面的方向移动，从而使转向架下架。Specifically, as shown in FIG. 2, the hydraulic station is hoisted at the bottom of the maglev train. For ease of disassembly and protection, the casing 11 may be disposed outside the hydraulic station and fixed to the bottom of the maglev train through the casing 11. The hydraulic station mainly uses the oil pump motor 3 to pump the hydraulic oil in the oil tank 2 to hydraulically control the hydraulic control device. That is, when the oil pump motor 3 pumps the hydraulic oil to the hydraulic control device, the hydraulic control device moves toward the rail surface; when the hydraulic control device reaches a certain height from the rail surface, the hydraulic station enters the pressure holding state, that is, the hydraulic station is kept hydraulically controlled. The oil pressure pumped by the device; when the oil pump motor 3 stops working, the hydraulic control device automatically retracts according to the weight of the bogie and the train itself, and the hydraulic control device moves away from the rail surface, thereby causing the bogie to be lowered.
对应的，控制面板可放置在列车的操作电气柜上，控制面板上设置有控制液压站工作状态的按键操作指示，如图6所示，其中包括升降选择旋钮、启泵 按钮和到位指示灯，所述升降选择旋钮、启泵按钮和到位指示灯均连接液压站，所述启泵按钮用于控制液压站中油泵电机3的启停状态；所述升降选择旋钮用于控制液压站进而调节液压支撑装置1与轨道平面之间的相对位置，所述升降选择旋钮包括三个档位：上升、下降和关闭，上升档位即通过控制液压支撑装置1使转向架上升，下降档位即通过控制液压支撑装置1使转向架下降，而关闭档位即不需要控制转向架的位置；所述到位指示灯用于接收液压站发送的到位指示信号并进行指示。具体的，所述油泵电机3连接控制面板和油箱2，油泵电机3和油箱2之间连接有齿轮泵19，用于在接收启泵按钮发送的启泵信号或升降选择旋钮发送的上升信号时启动，在接收启泵按钮发送的停泵信号或升降选择旋钮发送的下降信号时停止；所述油箱2用于存放液压油，开设有排气孔20，并通过油管与液压支撑装置1连接。Correspondingly, the control panel can be placed on the operating electrical cabinet of the train. The control panel is provided with a button operation instruction for controlling the working state of the hydraulic station, as shown in FIG. 6, which includes a lifting selection knob, a pumping button and an in-position indicator. The lifting selection knob, the pumping button and the in-position indicator are all connected to a hydraulic station, and the pumping button is used for controlling the starting and stopping state of the oil pump motor 3 in the hydraulic station; the lifting selection knob is used for controlling the hydraulic station to adjust the hydraulic support The relative position between the device 1 and the plane of the track, the lift selection knob includes three gear positions: ascending, descending and closing, the upshift position is to raise the bogie by controlling the hydraulic support device 1, and the downshift position is controlled by the hydraulic pressure The support device 1 lowers the bogie, and the gear position is not required to control the position of the bogie; the in-position indicator light is used to receive and indicate the in-position indication signal sent by the hydraulic station. Specifically, the oil pump motor 3 is connected to the control panel and the oil tank 2, and a gear pump 19 is connected between the oil pump motor 3 and the oil tank 2 for receiving the pumping signal sent by the pump button or the rising signal sent by the lifting selector knob. The startup is stopped when receiving the pump stop signal sent by the start pump button or the falling signal sent by the lifting selector knob; the oil tank 2 is used for storing the hydraulic oil, and the exhaust hole 20 is opened, and is connected to the hydraulic support device 1 through the oil pipe.
进一步的，本实施例所述的液压站除上述所述的油泵电机3和油箱2的基本组成外，所述液压站还包括两位两通电磁阀4和两位三通电磁阀5。Further, the hydraulic station of the present embodiment includes a two-position two-way solenoid valve 4 and a two-position three-way solenoid valve 5 in addition to the basic components of the oil pump motor 3 and the oil tank 2 described above.
具体的，如图3-5所示，所述两位两通电磁阀4与所述两位三通电磁阀5设置在所述油管的管路上。所述两位两通电磁阀4连接控制面板的启泵按钮，用于在接收启泵按钮发送的启泵信号时得电，并导通油箱2与液压支撑装置1之间的油管，使油管中的液压油推动液压支撑装置1向轨道平面靠近；所述两位三通电磁阀5连接控制面板的升降选择旋钮，用于在接收升降选择旋钮发送的下降信号时得电，切断所述液压站与液压支撑装置1之间的连接，使油管中的液压油回流至油箱2中。Specifically, as shown in FIG. 3-5, the two-position two-way solenoid valve 4 and the two-position three-way solenoid valve 5 are disposed on the pipeline of the oil pipe. The two-position two-way solenoid valve 4 is connected to the start pump button of the control panel for receiving electricity when receiving the pumping signal sent by the pump button, and turning on the oil pipe between the oil tank 2 and the hydraulic support device 1 to make the oil pipe The hydraulic oil in the middle pushes the hydraulic support device 1 closer to the track plane; the two-position three-way solenoid valve 5 is connected to the lifting and selecting knob of the control panel for powering when receiving the falling signal sent by the lifting selector knob, cutting off the hydraulic pressure The connection between the station and the hydraulic support device 1 causes the hydraulic oil in the oil pipe to flow back into the oil tank 2.
此外，本实施例所述的液压站还包括第一压力继电器6和第二压力继电器7，所述第一压力继电器6和第二压力继电器7均设置在油箱2与液压支撑装置1之间的油管的管路上，所述第一压力继电器6用于检测油管内的实时油压，并在实时油压达到预设油压时向控制面板发送到位指示信号，以及向两位三通电磁阀5发送保压信号，使两位三通电磁阀5阻断油箱2与液压支撑装置1之间的油管。所述第二压力继电器7用于检测油管内的实时油压，并在实时油压 超过预设油压时向油泵电机3发送停止信号。In addition, the hydraulic station described in this embodiment further includes a first pressure relay 6 and a second pressure relay 7, both of which are disposed between the oil tank 2 and the hydraulic support device 1. The first pressure relay 6 is configured to detect the real-time oil pressure in the oil pipe, and send a position indication signal to the control panel when the real-time oil pressure reaches the preset oil pressure, and to the two-position three-way solenoid valve 5 The pressure maintaining signal is transmitted so that the two-position three-way solenoid valve 5 blocks the oil pipe between the oil tank 2 and the hydraulic support device 1. The second pressure relay 7 is for detecting a real-time oil pressure in the oil pipe, and sends a stop signal to the oil pump motor 3 when the real-time oil pressure exceeds the preset oil pressure.
更进一步的，如图7、图8所示，所述液压支撑装置1包括安装件12、液压支撑油缸13和液压支撑轮14，所述液压支撑油缸13通过安装件12安装在磁悬浮列车的转向架上并通过油管与油箱2连接，所述液压支撑轮14固定在所述液压支撑油缸13的底部，用于当液压支撑轮14与轨道平面接触时在轨道平面上滚动。Further, as shown in FIGS. 7 and 8, the hydraulic support device 1 includes a mounting member 12, a hydraulic support cylinder 13 and a hydraulic support wheel 14, and the hydraulic support cylinder 13 is mounted on the steering of the maglev train through the mounting member 12. The frame is connected to the oil tank 2 via a fuel pipe, and the hydraulic support wheel 14 is fixed to the bottom of the hydraulic support cylinder 13 for rolling on the track plane when the hydraulic support wheel 14 comes into contact with the plane of the track.
具体的，如图9所示，所述液压支撑油缸13包括外壳15、弹簧16和活塞杆17，所述外壳15通过安装在磁悬浮列车的转向架上，所述弹簧16和活塞杆17均设置在所述外壳15中，所述活塞杆17的一端通过油管与油箱2连接，所述活塞杆17的另一端与所述液压支撑轮14固定连接，所述弹簧16套设在所述活塞杆17的外部，且所述弹簧16的两端与外壳15的内壁固定连接。Specifically, as shown in FIG. 9, the hydraulic support cylinder 13 includes a housing 15, a spring 16, and a piston rod 17, which are mounted on a bogie of a maglev train, and the spring 16 and the piston rod 17 are both disposed. In the outer casing 15, one end of the piston rod 17 is connected to the oil tank 2 through an oil pipe, the other end of the piston rod 17 is fixedly connected to the hydraulic support wheel 14, and the spring 16 is sleeved on the piston rod The outside of the outer portion 17 and the ends of the spring 16 are fixedly coupled to the inner wall of the outer casing 15.
综上，结合表1说明本实施例所述的液压支撑***的工作原理如下：In summary, the working principle of the hydraulic support system described in this embodiment is as follows with reference to Table 1:
表1Table 1
Figure PCTCN2018102844-appb-000001
Figure PCTCN2018102844-appb-000001
当转向架需要升起支撑时，通过操作电器柜的控制面板上的启泵按钮，启动油泵电机3，两位两通电磁阀4得电，液压油通过油管传递到液压支撑油缸13，液压支撑油缸13开始向下运动，转向架开始上升，第一压力继电器6达到 设定压力值时，转向架升起到位。此时，控制面板上的到位指示灯点亮。转向架和轨面之间的间隙约为8mm至10mm。When the bogie needs to be raised, the oil pump motor 3 is activated by operating the start pump button on the control panel of the electrical cabinet, and the two-position two-way solenoid valve 4 is energized, and the hydraulic oil is transmitted to the hydraulic support cylinder 13 through the oil pipe, and the hydraulic support The cylinder 13 starts to move downward, the bogie starts to rise, and when the first pressure relay 6 reaches the set pressure value, the bogie is raised to the position. At this point, the in-position indicator on the control panel lights up. The gap between the bogie and the rail surface is approximately 8 mm to 10 mm.
当转向架升起完成后，需要液压站处于保压状态来配合车辆行走，此时，液压支撑轮14在轨道平面上滚动，整体***在保压状态下不需要启动任何设备。使得车辆在低速状态下运行至目的地。避免了车辆因故障导致整个线路运营拥堵的问题。When the bogie is raised, the hydraulic station needs to be in a pressure-holding state to cooperate with the vehicle. At this time, the hydraulic support wheel 14 rolls on the track plane, and the whole system does not need to start any equipment under the pressure holding state. The vehicle is allowed to run to a destination at a low speed. The problem of congestion of the entire line due to the failure of the vehicle is avoided.
当转向架需要下降时，油泵电机3不需要启动，将控制面板的升降选择旋钮调整至下降档位，两位三通电磁阀5得电，液压站卸载，液压支撑油缸13带动液压支撑轮14依靠转向架及车辆自身重量向远离轨面的方向移动。When the bogie needs to be lowered, the oil pump motor 3 does not need to be activated, the lifting and selecting knob of the control panel is adjusted to the downshift position, the two-position three-way solenoid valve 5 is energized, the hydraulic station is unloaded, and the hydraulic support cylinder 13 drives the hydraulic support wheel 14 Relying on the bogie and the weight of the vehicle itself, moving away from the rail surface.
进一步的，如图4、图5所示，本实施例所述的液压站还包括手动卸荷阀8，所述手动卸荷阀8设置在油箱2与液压支撑装置1之间的油管的管路上，所述手动卸荷阀8的工作状态包括开启状态和关闭状态；Further, as shown in FIG. 4 and FIG. 5, the hydraulic station according to the embodiment further includes a manual unloading valve 8, and the manual unloading valve 8 is disposed on the tube of the oil pipe between the oil tank 2 and the hydraulic support device 1. On the road, the working state of the manual unloading valve 8 includes an open state and a closed state;
所述开启状态用于导通油箱2与液压支撑装置1之间的油管，使油管中的液压油回流至油箱2中；The open state is used to turn on the oil pipe between the oil tank 2 and the hydraulic support device 1 to return the hydraulic oil in the oil pipe to the oil tank 2;
所述关闭状态用于在油管内的实时油压达到预设油压时，阻断油箱2与液压支撑装置1之间的油管。The closed state is for blocking the oil pipe between the oil tank 2 and the hydraulic support device 1 when the real-time oil pressure in the oil pipe reaches the preset oil pressure.
具体的，本实施例所述的手动卸荷阀8可在没电及电磁阀故障的情况下直接缓解，液压油直接流回油箱2中。Specifically, the manual unloading valve 8 described in this embodiment can be directly relieved in the absence of power and electromagnetic valve failure, and the hydraulic oil directly flows back into the oil tank 2.
更进一步的，本实施例所述液压站还包括溢流阀10，所述溢流阀10设置在油管中，用于检测油管中的实时油压，并在油管中的实时油压超过所述溢流阀10的额定油压时，切断所述液压站与液压支撑装置1之间的连接，使油管中的液压油回流至油箱2中。Further, the hydraulic station of the embodiment further includes a relief valve 10, the relief valve 10 is disposed in the oil pipe for detecting the real-time oil pressure in the oil pipe, and the real-time oil pressure in the oil pipe exceeds the When the rated oil pressure of the relief valve 10 is reached, the connection between the hydraulic station and the hydraulic support device 1 is cut off, and the hydraulic oil in the oil pipe is returned to the oil tank 2.
更进一步的，本实施例所述的油箱2包括吸油仓和回油仓，所述吸油仓与所述回油仓之间设置有隔板，所述吸油仓上设置有吸油口，所述吸油口连接吸油油管，所述油箱2通过油泵电机3泵出的液压油通过所述吸油口和吸油油管流向液压支撑装置1；所述回油仓上设置有回油口，所述回油口连接回油油管， 所述液压站中回流的液压油流经所述吸油油管和吸油口流入油箱2，从而分离回油来带的气泡和异物。Further, the oil tank 2 of the embodiment includes an oil absorption bin and a return oil tank, a partition plate is disposed between the oil absorption bunker and the oil return bunker, and the oil absorption bunker is provided with an oil suction port, and the oil absorption port The port is connected to the oil suction pipe, and the hydraulic oil pumped by the oil pump 2 through the oil pump motor 3 flows through the oil suction port and the oil suction pipe to the hydraulic support device 1; the oil return port is provided with a oil return port, and the oil return port is connected Returning the oil pipe, the hydraulic oil flowing back in the hydraulic station flows through the oil suction pipe and the oil suction port into the oil tank 2, thereby separating the air bubbles and foreign matter brought back by the oil.
另外，本实施例所述的油箱2上还设置有液位显示器9，用于实时显示油箱2中的液压油油量，使得相关工作人员能够及时对液压油进行补充。In addition, the fuel tank 2 of the embodiment is further provided with a liquid level display 9 for displaying the amount of hydraulic oil in the fuel tank 2 in real time, so that the relevant staff can replenish the hydraulic oil in time.
更进一步的，本实施例所述的油箱2和油管中均设置有过滤器18，用于过滤油箱2和油管中的液压油中的杂质。Further, a filter 18 is disposed in the oil tank 2 and the oil pipe of the present embodiment for filtering impurities in the hydraulic oil in the oil tank 2 and the oil pipe.
本实施例还提出了一种磁悬浮列车，所述磁悬浮列车包括至少一列车厢，所述至少一列车厢上均设置有转向架，所述转向架的四个顶角上均设置有液压支撑装置1，所述转向架的四个顶角上所设置的液压支撑装置1连接同一个液压站，所述液压站通过管路接头将油管分为两路，分别控制左右两侧的液压支撑装置1。The embodiment also provides a magnetic levitation train, the magnetic levitation train includes at least one train, and the at least one train is provided with a bogie, and the four corners of the bogie are provided with a hydraulic support device 1 The hydraulic support device 1 disposed on the four corners of the bogie is connected to the same hydraulic station, and the hydraulic station divides the oil pipe into two paths through a pipe joint to respectively control the hydraulic support devices 1 on the left and right sides.
具体的，所述液压支撑装置1包括安装件12、液压支撑油缸13和液压支撑轮14，所述液压支撑油缸13通过安装件12安装在磁悬浮列车的转向架上并通过油管与油箱2连接，所述液压支撑轮14固定在所述液压支撑油缸13的底部，用于当液压支撑轮14与轨道平面接触时在轨道平面上滚动。Specifically, the hydraulic support device 1 includes a mounting member 12, a hydraulic support cylinder 13 and a hydraulic support wheel 14, and the hydraulic support cylinder 13 is mounted on the bogie of the maglev train through the mounting member 12 and connected to the oil tank 2 through the oil pipe. The hydraulic support wheel 14 is fixed to the bottom of the hydraulic support cylinder 13 for rolling on the track plane when the hydraulic support wheel 14 is in contact with the track plane.
进一步的，所述液压支撑油缸13包括外壳15、弹簧16和活塞杆17，所述外壳15通过安装在磁悬浮列车的转向架上，所述弹簧16和活塞杆17均设置在所述外壳15中，所述活塞杆17的一端通过油管与油箱2连接，所述活塞杆17的另一端与所述液压支撑轮14固定连接，所述弹簧16套设在所述活塞杆17的外部，且所述弹簧16的两端与外壳15的内壁固定连接。Further, the hydraulic support cylinder 13 includes a housing 15, a spring 16 and a piston rod 17, and the housing 15 is mounted on a bogie of a maglev train, and the spring 16 and the piston rod 17 are both disposed in the housing 15. One end of the piston rod 17 is connected to the oil tank 2 through an oil pipe, and the other end of the piston rod 17 is fixedly connected to the hydraulic support wheel 14, and the spring 16 is sleeved on the outside of the piston rod 17, and Both ends of the spring 16 are fixedly coupled to the inner wall of the outer casing 15.
以五节车厢的磁悬浮列车举例说明，每节车厢均设置有转向架，在转向架的四个顶角上设置液压支撑装置1，每个液压支撑装置1包括两个液压支撑油缸13和与其相连接的液压支撑轮14，然后通过油管将所有的液压支撑轮14串联在一起。然后通过操作控制面板上的开关和按钮，使得液压站内部的零部件得电，实现对转向架的升降控制。具体工作原理如下：Taking a maglev train of five cars as an example, each car is provided with a bogie, and hydraulic support devices 1 are arranged at four corners of the bogie, each hydraulic support device 1 includes two hydraulic support cylinders 13 and The hydraulic support wheels 14 are connected, and then all of the hydraulic support wheels 14 are connected in series by the oil pipe. Then, by operating the switches and buttons on the control panel, the components inside the hydraulic station are powered, and the lifting control of the bogie is realized. The specific working principle is as follows:
升起支撑：当转向架需要升起支撑时，启动油泵电机3，两位两通电磁阀4 得电后，转向架开始上升，第一压力继电器6达到设定压力值时，转向架升起到位；当***压力超过***正常工作压力时，第二压力继电器7得电，***卸载，油泵电机3停止工作。Raise the support: When the bogie needs to raise the support, start the oil pump motor 3, after the two-position two-way solenoid valve 4 is energized, the bogie starts to rise, and when the first pressure relay 6 reaches the set pressure value, the bogie rises. When the system pressure exceeds the normal working pressure of the system, the second pressure relay 7 is energized, the system is unloaded, and the oil pump motor 3 stops working.
***保压：当转向架升起完成后，需要***处于保压状态配合车辆行走，***保压状态下不需要启动任何设备只需要使手动卸荷阀8处于关闭状态即可保压；如果因液压油泄露、油管密封不良或者其他原因引起两位三通电磁阀5发生故障而无法保压时，此时可将两位两通电磁阀4得电形成二次保压回路，完成保压要求。System pressure: When the bogie is raised, the system needs to be in a pressure-holding state to cooperate with the vehicle. When the system is under pressure, it is not necessary to start any equipment. Only the manual unloading valve 8 needs to be closed to maintain pressure; When the hydraulic oil leaks, the tubing is poorly sealed, or the other two causes the three-way solenoid valve 5 to fail and cannot be held, the two-position two-way solenoid valve 4 can be electrically connected to form a secondary pressure maintaining circuit to complete the pressure holding requirement. .
下降收回：当转向架需要下降时，油泵电机3不需要启动，只需两位三通电磁阀5得电，或者打开手动卸荷阀8后，依靠转向架自身重量，使得液压支撑油缸13下降收回。Falling and retracting: When the bogie needs to be lowered, the oil pump motor 3 does not need to be started, only the two-position three-way solenoid valve 5 is energized, or after the manual unloading valve 8 is opened, the hydraulic support cylinder 13 is lowered by the weight of the bogie itself. Take back.
另外，本实施例所述的控制面板上不仅局限于升降选择旋钮、启泵按钮和到位指示灯，还可以设置控制电源的按钮，或者显示电机是否发生故障的按钮等等。In addition, the control panel described in this embodiment is not limited to the elevation selection knob, the start pump button, and the in-position indicator, but also a button for controlling the power supply, or a button for displaying whether the motor has failed or the like.
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。It will be apparent to those skilled in the art that various modifications and changes can be made in the present application without departing from the spirit and scope of the application. Thus, it is intended that the present invention cover the modifications and variations of the present invention.

Claims (16)

  1. 一种磁悬浮列车液压支撑***，其特征在于，所述***包括液压支撑装置、控制面板和液压站，所述液压站固定在车底，所述磁悬浮列车的转向架的四个顶角上均设置有液压支撑装置，所述控制面板通过液压站控制液压支撑装置与轨道平面之间的相对位置，所述液压站将液压支撑装置的位置状态反馈至控制面板。A magnetic suspension train hydraulic support system, characterized in that the system comprises a hydraulic support device, a control panel and a hydraulic station, the hydraulic station is fixed at the bottom of the vehicle, and the four corners of the bogie of the maglev train are arranged There is a hydraulic support device that controls the relative position between the hydraulic support device and the track plane by a hydraulic station that feeds back the positional state of the hydraulic support device to the control panel.
  2. 根据权利要求1所述的***，其特征在于，所述控制面板包括升降选择旋钮和启泵按钮，所述升降选择旋钮和启泵按钮均连接液压站；The system according to claim 1, wherein the control panel comprises a lifting selection knob and a pumping button, and the lifting selection knob and the pumping button are both connected to the hydraulic station;
    所述启泵按钮用于控制液压站的启停状态；The pump button is used to control the start and stop state of the hydraulic station;
    所述升降选择旋钮用于控制液压站进而调节液压支撑装置与轨道平面之间的相对位置。The lift selection knob is used to control the hydraulic station to thereby adjust the relative position between the hydraulic support device and the track plane.
  3. 根据权利要求2所述的***，其特征在于，所述控制面板还包括到位指示灯，所述到位指示灯与液压站连接，用于接收液压站发送的到位指示信号并进行指示。The system of claim 2 wherein said control panel further includes an in-position indicator light coupled to the hydraulic station for receiving an indication of the in-position indication signal transmitted by the hydraulic station.
  4. 根据权利要求3所述的***，其特征在于，所述液压站包括油箱、油泵电机、两位两通电磁阀和两位三通电磁阀；The system according to claim 3, wherein said hydraulic station comprises a fuel tank, an oil pump motor, a two-position two-way solenoid valve, and a two-position three-way solenoid valve;
    所述油泵电机连接控制面板和油箱，用于在接收启泵按钮发送的启泵信号或升降选择旋钮发送的上升信号时启动，在接收启泵按钮发送的停泵信号或升降选择旋钮发送的下降信号时停止；The oil pump motor is connected to the control panel and the oil tank for starting when receiving the pumping signal sent by the pump button or the rising signal sent by the lifting selector knob, and sending the pumping signal sent by the pumping button or the lifting of the lifting selector knob Stop when signalling;
    所述油箱用于存放液压油，并通过油管与液压支撑装置连接；The oil tank is used for storing hydraulic oil and is connected to the hydraulic support device through the oil pipe;
    所述两位两通电磁阀与所述两位三通电磁阀设置在所述油管的管路上；The two-position two-way solenoid valve and the two-position three-way solenoid valve are disposed on a pipeline of the oil pipe;
    所述两位两通电磁阀连接控制面板的启泵按钮，用于在接收启泵按钮发送的启泵信号时得电，并导通油箱与液压支撑装置之间的油管，使油管中的液压油推动液压支撑装置向轨道平面靠近；The two-position two-way solenoid valve is connected to the start pump button of the control panel for receiving electricity when receiving the pumping signal sent by the pump button, and turning on the oil pipe between the fuel tank and the hydraulic support device to make the hydraulic pressure in the oil pipe The oil pushes the hydraulic support device closer to the plane of the track;
    所述两位三通电磁阀连接控制面板的升降选择旋钮，用于在接收升降选择旋钮发送的下降信号时得电，切断所述液压站与液压支撑装置之间的连接，使 油管中的液压油回流至油箱中。The two-position three-way solenoid valve is connected to the lifting and selecting knob of the control panel for powering when receiving the falling signal sent by the lifting selector knob, cutting off the connection between the hydraulic station and the hydraulic supporting device, and causing the hydraulic pressure in the oil pipe The oil is returned to the tank.
  5. 根据权利要求4所述的***，其特征在于，所述液压站还包括第一压力继电器，所述第一压力继电器设置在油箱与液压支撑装置之间的油管的管路上，用于检测油管内的实时油压，并在实时油压达到预设油压时向控制面板发送到位指示信号，以及向两位三通电磁阀发送保压信号，使两位三通电磁阀阻断油箱与液压支撑装置之间的油管。The system according to claim 4, wherein said hydraulic station further comprises a first pressure relay, said first pressure relay being disposed on a line of the oil pipe between the oil tank and the hydraulic support means for detecting the inside of the oil pipe Real-time oil pressure, and send the in-position indication signal to the control panel when the real-time oil pressure reaches the preset oil pressure, and send a pressure-holding signal to the two-position three-way solenoid valve, so that the two-position three-way solenoid valve blocks the fuel tank and the hydraulic support The tubing between the devices.
  6. 根据权利要求5所述的***，其特征在于，所述液压站还包括第二压力继电器，所述第二压力继电器设置在油箱与液压支撑装置之间的油管的管路上，用于检测油管内的实时油压，并在实时油压超过预设油压时向油泵电机发送停止信号。The system according to claim 5, wherein said hydraulic station further comprises a second pressure relay disposed on a line of the oil pipe between the oil tank and the hydraulic support device for detecting the inside of the oil pipe Real-time oil pressure and send a stop signal to the pump motor when the real-time oil pressure exceeds the preset oil pressure.
  7. 根据权利要求6所述的***，其特征在于，所述液压站还包括手动卸荷阀，所述手动卸荷阀设置在油箱与液压支撑装置之间的油管的管路上，所述手动卸荷阀的工作状态包括开启状态和关闭状态；The system of claim 6 wherein said hydraulic station further comprises a manual unloading valve disposed on a line of the oil pipe between the fuel tank and the hydraulic support device, said manual unloading The working state of the valve includes an open state and a closed state;
    所述开启状态用于导通油箱与液压支撑装置之间的油管，使油管中的液压油回流至油箱中；The open state is used to turn on the oil pipe between the oil tank and the hydraulic support device, so that the hydraulic oil in the oil pipe is returned to the oil tank;
    所述关闭状态用于在油管内的实时油压达到预设油压时，阻断油箱与液压支撑装置之间的油管。The closed state is for blocking the oil pipe between the fuel tank and the hydraulic support device when the real-time oil pressure in the oil pipe reaches the preset oil pressure.
  8. 根据权利要求4所述的***，其特征在于，所述油箱包括吸油仓和回油仓，所述吸油仓与所述回油仓之间设置有隔板，所述吸油仓上设置有吸油口，所述吸油口连接吸油油管，所述油箱通过油泵电机泵出的液压油通过所述吸油口和吸油油管流向液压支撑装置；所述回油仓上设置有回油口，所述回油口连接回油油管，所述液压站中回流的液压油流经所述吸油油管和吸油口流入油箱。The system according to claim 4, wherein the oil tank comprises a suction tank and a return oil tank, a partition is arranged between the oil suction tank and the oil return tank, and an oil suction port is arranged on the oil suction tank. The oil suction port is connected to the oil absorption oil pipe, and the hydraulic oil pumped by the oil tank through the oil pump motor flows through the oil suction port and the oil suction oil pipe to the hydraulic support device; the oil return port is provided with a oil return port, and the oil return port Connected back to the oil pipe, the hydraulic oil flowing back in the hydraulic station flows through the oil suction pipe and the oil suction port into the oil tank.
  9. 根据权利要求4所述的***，其特征在于，所述油箱上设置有液位显示器，用于实时显示油箱中的液压油的油量。The system according to claim 4, wherein said fuel tank is provided with a liquid level display for displaying the amount of oil of hydraulic oil in the fuel tank in real time.
  10. 根据权利要求4所述的***，其特征在于，所述油箱和油管中均设置有过滤器，用于过滤油箱和油管中的液压油中的杂质。The system according to claim 4, wherein a filter is provided in both the oil tank and the oil pipe for filtering impurities in the hydraulic oil in the oil tank and the oil pipe.
  11. 根据权利要求4所述的***，其特征在于，所述液压站还包括溢流阀，所述溢流阀设置在油管中，用于检测油管中的实时油压，并在油管中的实时油压超过所述溢流阀的额定油压时，切断所述液压站与液压支撑装置之间的连接，使油管中的液压油回流至油箱中。The system of claim 4 wherein said hydraulic station further comprises a relief valve disposed in the oil pipe for detecting real-time oil pressure in the oil pipe and real-time oil in the oil pipe When the pressure exceeds the rated oil pressure of the relief valve, the connection between the hydraulic station and the hydraulic support device is cut off, and the hydraulic oil in the oil pipe is returned to the oil tank.
  12. 根据权利要求4至11任一项所述的***，其特征在于，所述***还包括壳体，所述液压站安装在所述壳体中，并通过壳体固定在车底。A system according to any one of claims 4 to 11, wherein the system further comprises a housing mounted in the housing and secured to the underbody by the housing.
  13. 根据权利要求12所述的***，其特征在于，所述液压支撑装置包括安装件、液压支撑油缸和液压支撑轮，所述液压支撑油缸通过安装件安装在磁悬浮列车的转向架上并通过油管与油箱连接，所述液压支撑轮固定在所述液压支撑油缸的底部，用于当液压支撑轮与轨道平面接触时在轨道平面上滚动。The system according to claim 12, wherein said hydraulic support means comprises a mounting member, a hydraulic support cylinder and a hydraulic support cylinder, said hydraulic support cylinder being mounted on a bogie of the maglev train through a mounting member and passing through the tubing A fuel tank is coupled to the bottom of the hydraulic support cylinder for rolling on the track plane when the hydraulic support wheel is in contact with the plane of the track.
  14. 根据权利要求13所述的***，其特征在于，所述液压支撑油缸包括外壳、弹簧和活塞杆，所述外壳通过安装在磁悬浮列车的转向架上，所述弹簧和活塞杆均设置在所述外壳中，所述活塞杆的一端通过油管与油箱连接，所述活塞杆的另一端与所述液压支撑轮固定连接，所述弹簧套设在所述活塞杆的外部，且所述弹簧的两端与外壳的内壁固定连接。The system according to claim 13 wherein said hydraulic support cylinder comprises a housing, a spring and a piston rod, said housing being mounted on a bogie of a maglev train, said spring and piston rod being disposed in said In the outer casing, one end of the piston rod is connected to the oil tank through an oil pipe, and the other end of the piston rod is fixedly connected with the hydraulic support wheel, the spring is sleeved on the outside of the piston rod, and two of the springs The end is fixedly connected to the inner wall of the outer casing.
  15. 一种磁悬浮列车，其特征在于，所述磁悬浮列车包括至少一列车厢，所述至少一列车厢上均设置有转向架，所述转向架的四个顶角上均设置有如权利要求13或14所述的液压支撑装置。A magnetic levitation train, characterized in that the magnetic levitation train comprises at least one train, and the at least one train is provided with a bogie, and the four corners of the bogie are provided with the apparatus according to claim 13 or 14. Hydraulic support device.
  16. 根据权利要求15所述的磁悬浮列车，其特征在于，所述转向架的四个顶角上所设置的液压支撑装置连接同一个液压站，所述液压站通过管路接头将油管分为两路，分别控制左右两侧的液压支撑装置。The magnetic levitation train according to claim 15, wherein the hydraulic support means provided on the four corners of the bogie are connected to the same hydraulic station, and the hydraulic station divides the oil pipe into two paths through a pipe joint. , respectively, control the hydraulic support devices on the left and right sides.
PCT/CN2018/102844 2018-01-29 2018-08-29 Hydraulic support system for magnetic levitation train and magnetic levitation train WO2019144615A1 (en)

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