CN106741877B - A kind of electro-hydraulic ground taxi of multi-wheeled bogie push with from energy regenerative brake combined device - Google Patents

A kind of electro-hydraulic ground taxi of multi-wheeled bogie push with from energy regenerative brake combined device Download PDF

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Publication number
CN106741877B
CN106741877B CN201611197697.1A CN201611197697A CN106741877B CN 106741877 B CN106741877 B CN 106741877B CN 201611197697 A CN201611197697 A CN 201611197697A CN 106741877 B CN106741877 B CN 106741877B
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wheel
hydraulic
energy
electro
energy regenerative
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CN106741877A (en
Inventor
尚耀星
柯树翰
焦宗夏
刘晓超
李兴鲁
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Beihang University
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Beihang University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C25/00Alighting gear
    • B64C25/32Alighting gear characterised by the ground or like engaging elements
    • B64C25/42Arrangements or adaptations of brakes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/10Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels by utilising wheel movement for accumulating energy, e.g. driving air compressors

Abstract

The present invention provides one kind take turns more electro-hydraulic promotion with from energy regenerative brake combined device, it is mounted on each of multiple airplane wheels wheel, for driving wheel or braking wheel, the electro-hydraulic promotion of more wheel with from energy regenerative brake combined device include: electro-hydraulic promotion subsystem, including motor-pump energy packet and wheel drive module, when sliding into designated place on the ground under the operation of pilot for aircraft with normal speed, the electric energy that the motor-pump energy packet provides aircraft electrical power system is converted into hydraulic energy, to be supplied to the wheel drive module, to drive the wheel;And from energy regenerative braking subsystem, for converting hydraulic energy for the kinetic energy of high-speed rotating wheel after aircraft landing landing, so that the wheel is braked.

Description

A kind of electro-hydraulic ground taxi of multi-wheeled bogie push with from energy regenerative brake combined device
Technical field
The present invention relates to aircraft control fields, and in particular to the electro-hydraulic promotion for multiple airplane wheels is braked with from energy regenerative Combination unit.
Background technique
Airplane wheel is the important airborne equipment of aircraft, and takeoff and landing normal for aircraft has vital work With.For airplane wheel, more main two problems are that aircraft brake and aircraft floor dragging, the two are directed to fly The energy management of machine.
Aircraft self-energy is limited, most valuable, and can dissipate a large amount of kinetic energy during aircraft landing, this portion of energy is usual It is dissipated in the form of generating heat aircraft brake system.
In addition, aircraft mostly uses greatly ground plane tractor to drag in ground run, or lean on aircraft itself engine It pushes and moves forward or back, on the one hand can waste aircraft fuel, pollute environment;On the other hand, airport ground vehicle is various also results in Airport ground is disorder, is not easy to manage.
Summary of the invention
In view of problem above, the present invention provides one kind to take turns electro-hydraulic promotion with from energy regenerative brake combined device more, is based on The new concept of " more electricity aircrafts " proposes, using aircraft electrical power system as the energy, substitutes the heavy hydraulic system of original complexity;And And recovery section aircraft kinetic energy is used to energize for aircraft brake actuator, brake system structure and reliability is improved, to will fly Machine brake and aircraft floor traveling are pushed and are combined, and can greatly be improved aircraft takeoffs and landings holder function, be promoted aeroplane performance.
According to an aspect of the present invention, more wheels are electro-hydraulic pushes and is mounted on multiple aircrafts from energy regenerative brake combined device On each of wheel wheel, for driving wheel or braking wheel, more electro-hydraulic promotions of wheel with from energy regenerative brake group It attaches together to set and includes:
Electro-hydraulic promotion subsystem, including motor-pump energy packet and wheel drive module, for aircraft pilot operation Under when sliding into designated place on the ground with normal speed, electricity that the motor-pump energy packet provides aircraft electrical power system It can be converted into hydraulic energy, to be supplied to the wheel drive module, to drive the wheel;And
From energy regenerative braking subsystem, for converting liquid for the kinetic energy of high-speed rotating wheel after aircraft landing landing Pressure energy, so that the wheel is braked.
According to embodiment, the motor-pump energy packet includes:
Variable speed machine, for driving hydraulic pump;
Hydraulic pump is connect, for exporting high pressure oil with the variable speed machine;And
Solenoid directional control valve is connect via check valve with the hydraulic pump, is driven for the high pressure oil to be accessed the wheel Dynamic model block.
According to embodiment, the wheel drive module includes:
Accumulator, it is in parallel with the solenoid directional control valve, for storing the hydraulic energy of the high pressure oil;
Hydraulic motor is connect, for the pressure energy of the high pressure oil is defeated with the wheel via retarder and clutch It is out torque, to drive the wheel.
According to embodiment, the motor-pump energy packet include via the check valve it is in parallel with the hydraulic pump first Safety valve, for stablizing the outlet pressure of the hydraulic pump and preventing oil liquid from flowing backwards;And the wheel drive module include with Second safety valve of the hydraulic motor parallel connection works as pressure for keeping the outlet pressure of the hydraulic motor and the accumulator Oil inlet and oil return opening are connected when power is excessively high, discharges excess pressure.
According to embodiment, wherein the revolving speed of the variable speed machine and the hydraulic motor is controlled by on-board controller, And the port position of the solenoid directional control valve is controlled by on-board controller, is turned to changing the hydraulic motor, thus just To or be driven in the reverse direction the wheel.
It is described to include: from energy regenerative braking subsystem according to embodiment
Hydraulic motor is connect via retarder and clutch with the wheel, for by the high-speed rotating wheel Kinetic energy is converted into hydraulic energy, to export high pressure oil;And
Switch valve is connected between the hydraulic motor and braking action device, for aircraft under the operation of pilot The connection between the hydraulic motor and the braking action device is disconnected when ground taxi, and after aircraft landing landing, is connect Lead to the connection between the hydraulic motor and the braking action device, so that the wheel is braked.
It is described from energy regenerative braking subsystem according to embodiment further include:
Accumulator, for utilizing stored hydraulic energy to assist the wheel braking;And
Safety valve, it is in parallel with the hydraulic motor, for keeping the oil inlet and outlet pressure difference of the hydraulic motor.
According to embodiment, the revolving speed of the hydraulic motor is controlled by on-board controller, and the port of the switch valve Position is controlled by on-board controller, with the connection being switched on or switched off between the hydraulic motor and the braking action device.
According to embodiment, the retarder is used to increase the output torque of the hydraulic motor;And the clutch is used In controlling the electro-hydraulic promotion subsystem or the action time section from energy regenerative braking subsystem and the wheel, so that in institute When stating the speed of wheel and being more than system tolerance degree, the throw-out-of clutch is to protect system parts, and in the wheel Speed when dropping to allowed band, the clutch is closed so that system and the wheel form one, executes driving function.
Detailed description of the invention
Fig. 1 is the electro-hydraulic promotion of more wheels according to the embodiment of the present invention and the structural schematic diagram from energy regenerative brake combined device.
Fig. 2 is the electro-hydraulic promotion of more wheels according to the embodiment of the present invention and the electro-hydraulic promotion subsystem from energy regenerative brake combined device The structural schematic diagram of system.
Fig. 3 is in more electro-hydraulic promotions of wheel according to an embodiment of the present invention and the electro-hydraulic promotor site from energy regenerative brake combined device The oil liquid flow graph that wheel rotates forward under the action of system.
Fig. 4 is in more electro-hydraulic promotions of wheel according to an embodiment of the present invention and the electro-hydraulic promotor site from energy regenerative brake combined device The counter-rotational oil liquid flow graph of wheel under the action of system.
Fig. 5 is sub for the electro-hydraulic promotion of more wheels according to the embodiment of the present invention and from braking from energy regenerative for energy regenerative brake combined device The structural schematic diagram of system.
Fig. 6 is in more electro-hydraulic promotions of wheel according to an embodiment of the present invention and braking from energy regenerative from energy regenerative brake combined device Wheel oil liquid flow graph under the action of subsystem.
Specific embodiment
Describe referring to the drawings the electro-hydraulic promotion of more wheel according to an embodiment of the present invention with from energy regenerative brake combined device.
Fig. 1 shows the electro-hydraulic promotion of more wheels according to an embodiment of the present invention and the structure from energy regenerative brake combined device.Such as Fig. 1 Shown, more wheels of the present embodiment are electro-hydraulic to be pushed and is mounted on multiple airplane wheels, such as two machines from energy regenerative brake combined device On each of wheel wheel, for driving wheel or braking wheel.In structure, takes turns electro-hydraulic promotion more and brake with from energy regenerative Combination unit includes variable speed machine 1, hydraulic pump 2, check valve 3, solenoid directional control valve 4, accumulator 5, hydraulic motor 6, switch valve 7, safety valve 9,10, hydraulic motor 6 are connect with wheel 8 by elements such as retarder, clutches, are powered by airborne power supply, and By on-board controller control variable speed machine 1, solenoid directional control valve 4, hydraulic motor 6 and switch valve 7, to drive or brake wheel 8。
Functionally, it takes turns electro-hydraulic promotion more and includes electro-hydraulic promotion subsystem from energy regenerative brake combined device and stop from energy regenerative Cart subsystem is used wherein electro-hydraulic promotion subsystem includes motor-pump energy packet 1,2,4,10 and wheel drive module 5,6,9 When aircraft slides into designated place on the ground under the operation of pilot with normal speed, motor-pump energy packet will for example The electric energy that the aircraft electrical power system of airborne power supply provides is converted into hydraulic energy, to be supplied to wheel drive module, to driving machine Wheel 8.It is used for after aircraft landing landing from energy regenerative braking subsystem 5,6,7,9, converts the kinetic energy of high-speed rotating wheel 8 to Hydraulic energy, so that wheel 8 is braked.
The electro-hydraulic specific structure for pushing subsystem is described in detail referring to Fig. 2.
As shown in Fig. 2, the electro-hydraulic promotion subsystem of the present embodiment includes that motor-pump energy packet 1,2,4,10 and wheel drive Dynamic model block 5,6,9, wherein motor-pump energy packet includes variable speed machine 1, hydraulic pump 2, solenoid directional control valve 4 and safety valve 10, wherein variable speed machine 1, for driving hydraulic pump 2;Hydraulic pump 2 is connect with variable speed machine 1, for exporting high pressure oil;Peace Full valve 10 is in parallel with hydraulic pump 2 via check valve 3, for stabilizing solution press pump 2 outlet pressure and prevent oil liquid from flowing backwards;And electricity Magnetic reversal valve 4 is connect via check valve 3 with hydraulic pump 2, for high pressure oil to be accessed wheel drive module.
As shown in Figure 2, wheel drive module includes accumulator 5, hydraulic motor 6 and safety valve 9, wherein accumulator 5 with Solenoid directional control valve 4 is in parallel, for storing the hydraulic energy of high pressure oil;Safety valve 9 is in parallel with hydraulic motor 6, for keeping hydraulic horse Up to 6 and the outlet pressure of accumulator 5, oil inlet and oil return opening are connected when hypertonia, discharges excess pressure;And hydraulic horse It is connect up to 6 via retarder and clutch with wheel 8, for exporting the pressure energy of high pressure oil for torque, to drive wheel 8 just To or rotate backward.
Referring to the explanation of Fig. 3 and 4 oil liquid stream that wheel rotates forward or backwards under the action of electro-hydraulic promotion subsystem Xiang Tu.
Fig. 3 shows the oil liquid flow graph that wheel rotates forward under the action of electro-hydraulic promotion subsystem.Fig. 4 is shown The counter-rotational oil liquid flow graph of wheel under the action of electro-hydraulic promotion subsystem.As shown in Figures 3 and 4, when aircraft is pilot's Under operation, when sliding into designated place on the ground with normal speed, it is mounted at the electro-hydraulic promotion subsystem on each wheel 8 In working condition, and switch valve 7 is controlled by on-board controller, is disconnected the electro-hydraulic connection for pushing subsystem and braking action device, is made Braking action device does not work.
Variable speed machine 1 drives hydraulic pump 2 to export high pressure oil, by solenoid directional control valve 4 access in parallel accumulator 5 and Hydraulic motor 6;High pressure oil is 5 punching press energy storage of accumulator, while hydraulic motor 6 being driven to rotate output torque, using retarder Wheel 8 itself, driving wheel movement are connected to clutch.On-board controller controls turn of variable speed machine 1 and hydraulic motor 6 Speed;And 4 port position of solenoid directional control valve is controlled, to change the steering of hydraulic motor 6, so that wheel 8 be made to rotate forward or backwards.
Wherein, retarder is used to increase the output torque of hydraulic motor 6, reduces system energy consumption;Clutch is whole for controlling The action time of a system and wheel 8 section, when 8 speed of airplane wheel is more than system tolerance degree, throw-out-of clutch is to protect System unit, when 8 speed of wheel drops to allowed band, clutch closure executes to make system and wheel 8 form one Driving function.
Fig. 5 shows the electro-hydraulic promotion of more wheels according to an embodiment of the present invention and stopping from energy regenerative from energy regenerative brake combined device The structure of cart subsystem.From the rotary motion that energy regenerative braking subsystem is using wheel itself, wheel rotation function is collected, by it It is converted into hydraulic energy driving brake actuator, is braked in turn to wheel.Since wheel self-energy is collected in turn Wheel braking is acted on, so being known as braking from energy regenerative.
As shown in figure 5, including hydraulic motor 6 and switch valve 7 from energy regenerative braking subsystem in the present embodiment.
Wherein, hydraulic motor 6 is connect via retarder and clutch with wheel 8, for moving high-speed rotating wheel 8 It can be converted into hydraulic energy, to export high pressure oil;Switch valve 7 is connected between hydraulic motor 6 and braking action device, in aircraft landing After landing, by the port position of on-board controller control switch valve 7, to connect between hydraulic motor 6 and braking action device Connection, so that wheel 8 be made to brake.
As shown in figure 5, further including accumulator 5 and safety valve 9 from energy regenerative braking subsystem, wherein accumulator 5 is for utilizing The hydraulic energy auxiliary wheel braking stored;And safety valve 9 is in parallel with hydraulic motor 6, for keeping the disengaging of hydraulic motor Hydraulic fluid port pressure difference.
Also, the revolving speed of hydraulic motor 6 is controlled by on-board controller, and as described above, and retarder is for increasing The output torque of hydraulic motor 6;And clutch is used to control from the action time of energy regenerative braking subsystem and wheel 8 section, makes When the speed of wheel 8 is more than system tolerance degree, throw-out-of clutch is to protect system unit, and in the speed of wheel 8 When dropping to allowed band, clutch is closed so that system and wheel 8 form one, execution driving function.
Fig. 6 shows the electro-hydraulic promotion of more wheels according to an embodiment of the present invention and stopping from energy regenerative from energy regenerative brake combined device Wheel oil liquid flow graph under the action of cart subsystem.
As shown in fig. 6, air speed is very fast, and wheel 8 is in high speed rotation state, electricity when aircraft is after landing landing Liquid pushes the solenoid directional control valve 4 of subsystem to be in an off state under the control of on-board controller, cutting and motor-pump energy packet Connection, therefore only from energy regenerative braking subsystem work.High-speed rotating wheel 8 drives hydraulic motor 6 in turn, to export height Pressure oil and the port position of switch valve 7 are being connected between hydraulic motor 6 and braking action device under the control of on-board controller Connection, makes to execute brake function on braking action device.The energy being stored in accumulator 5 simultaneously is also used for supplement brake.
As described above, the present invention provides a kind of electro-hydraulic promotion subsystem and from the group of energy regenerative braking subsystem time-sharing multiplex It attaches together and sets, that is, when electro-hydraulic promotion subsystem work, be in idle from energy regenerative braking subsystem, vice versa;To reduce The burden of plane hydraulic system saves plane hydraulic system energy, improves aircraft capacity usage ratio, while greatly enhancing aircraft certainly Main motion ability and integrated degree height.
Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to of the invention The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description Its various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair The obvious changes or variations that bright spirit is extended out are still in the protection scope of this invention.

Claims (8)

1. a kind of electro-hydraulic promotion of more wheels is mounted on each of multiple airplane wheels wheel with from energy regenerative brake combined device On, for driving wheel or braking wheel, more electro-hydraulic promotions of wheel include: with from energy regenerative brake combined device
Electro-hydraulic promotion subsystem, including motor-pump energy packet and wheel drive module, for aircraft under the operation of pilot When sliding into designated place on ground with normal speed, the electric energy that the motor-pump energy packet provides aircraft electrical power system turns Hydraulic energy is turned to, to be supplied to the wheel drive module, to drive the wheel;And
From energy regenerative braking subsystem, for converting hydraulic energy for the kinetic energy of high-speed rotating wheel after aircraft landing landing, So that the wheel braking;
Wherein, the motor-pump energy packet includes:
Variable speed machine, for driving hydraulic pump;
Hydraulic pump is connect, for exporting high pressure oil with the variable speed machine;And
Solenoid directional control valve is connect via check valve with the hydraulic pump, drives mould for the high pressure oil to be accessed the wheel Block.
2. the electro-hydraulic promotion of wheel much more as described in claim 1 with from energy regenerative brake combined device, wherein the wheel drive module Include:
Accumulator, it is in parallel with the solenoid directional control valve, for storing the hydraulic energy of the high pressure oil;
Hydraulic motor is connect via retarder and clutch with the wheel, for being by the pressure energy output of the high pressure oil Torque, to drive the wheel.
3. the electro-hydraulic promotion of wheel much more as claimed in claim 2 with from energy regenerative brake combined device, wherein the motor-pump energy Packet includes first safety valve in parallel with the hydraulic pump via the check valve, for stablizing the outlet pressure of the hydraulic pump And prevent oil liquid from flowing backwards;And the wheel drive module includes second safety valve in parallel with the hydraulic motor, for protecting Oil inlet and oil return opening are connected when hypertonia for the outlet pressure for holding the hydraulic motor and the accumulator, and it is extra to discharge Pressure.
4. as claimed in claim 2 or claim 3 the electro-hydraulic promotion of more wheel with from energy regenerative brake combined device, wherein the variable-ratio electricity The revolving speed of machine and the hydraulic motor is controlled by on-board controller, and the port position of the solenoid directional control valve is by airborne Controller control is turned to changing the hydraulic motor, to drive the wheel forward or backwards.
5. the electro-hydraulic promotion of wheel much more as described in claim 1 with from energy regenerative brake combined device, wherein it is described to brake son from energy regenerative System includes:
Hydraulic motor is connect via retarder and clutch with the wheel, for by the kinetic energy of the high-speed rotating wheel It is converted into hydraulic energy, to export high pressure oil;And
Switch valve is connected between the hydraulic motor and braking action device, for aircraft on ground under the operation of pilot The connection between the hydraulic motor and the braking action device is disconnected when sliding, and after aircraft landing landing, connects institute The connection between hydraulic motor and the braking action device is stated, so that the wheel is braked.
6. the electro-hydraulic promotion of wheel much more as claimed in claim 5 with from energy regenerative brake combined device, wherein it is described to brake son from energy regenerative System further include:
Accumulator, for utilizing stored hydraulic energy to assist the wheel braking;And
Safety valve, it is in parallel with the hydraulic motor, for keeping the oil inlet and outlet pressure difference of the hydraulic motor.
7. as more electro-hydraulic promotions of wheel described in claim 5 or 6 with from energy regenerative brake combined device, wherein the hydraulic motor Revolving speed by on-board controller control, and the port position of the switch valve by on-board controller control, with connection or Disconnect the connection between the hydraulic motor and the braking action device.
8. the electro-hydraulic promotion of more wheels as described in claim 2 or 5 with from energy regenerative brake combined device, wherein the retarder is used In the output torque for increasing the hydraulic motor;And the clutch for control electro-hydraulic the promotions subsystem or it is described oneself The action time of energy regenerative braking subsystem and wheel section, so that when the speed of the wheel is more than system tolerance degree, The throw-out-of clutch is to protect system parts, and when the speed of the wheel drops to allowed band, the clutch Device is closed so that system and the wheel form one, execution driving function.
CN201611197697.1A 2016-12-22 2016-12-22 A kind of electro-hydraulic ground taxi of multi-wheeled bogie push with from energy regenerative brake combined device Active CN106741877B (en)

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US10744985B2 (en) 2018-04-19 2020-08-18 Goodrich Corporation Electro-hydrostatic brake control
GB2601359A (en) 2020-11-27 2022-06-01 Airbus Operations Ltd Aircraft power system

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Publication number Priority date Publication date Assignee Title
CN101367437A (en) * 2002-10-22 2009-02-18 波音公司 Electric-based secondary power system architectures for aircraft
CN101797978A (en) * 2009-12-23 2010-08-11 中国航空工业集团公司第六三一研究所 Brake integrated controller of unmanned plane
CN102092472A (en) * 2011-01-20 2011-06-15 北京航空航天大学 Self-energy feeding type brake device for airplanes
CN102991491A (en) * 2012-11-19 2013-03-27 西安航空制动科技有限公司 Electromechanical brake system of unmanned plane

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101367437A (en) * 2002-10-22 2009-02-18 波音公司 Electric-based secondary power system architectures for aircraft
CN101797978A (en) * 2009-12-23 2010-08-11 中国航空工业集团公司第六三一研究所 Brake integrated controller of unmanned plane
CN102092472A (en) * 2011-01-20 2011-06-15 北京航空航天大学 Self-energy feeding type brake device for airplanes
CN102991491A (en) * 2012-11-19 2013-03-27 西安航空制动科技有限公司 Electromechanical brake system of unmanned plane

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