CN106741878A - A kind of electro-hydraulic ground taxi of monowheel chassis promote with from energy regenerative brake combined device - Google Patents

A kind of electro-hydraulic ground taxi of monowheel chassis promote with from energy regenerative brake combined device Download PDF

Info

Publication number
CN106741878A
CN106741878A CN201611198147.1A CN201611198147A CN106741878A CN 106741878 A CN106741878 A CN 106741878A CN 201611198147 A CN201611198147 A CN 201611198147A CN 106741878 A CN106741878 A CN 106741878A
Authority
CN
China
Prior art keywords
wheel
hydraulic
energy
electro
regenerative brake
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611198147.1A
Other languages
Chinese (zh)
Other versions
CN106741878B (en
Inventor
尚耀星
柯树翰
焦宗夏
刘晓超
李兴鲁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beihang University
Original Assignee
Beihang University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beihang University filed Critical Beihang University
Priority to CN201611198147.1A priority Critical patent/CN106741878B/en
Publication of CN106741878A publication Critical patent/CN106741878A/en
Application granted granted Critical
Publication of CN106741878B publication Critical patent/CN106741878B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • B64C25/44Actuating mechanisms

Abstract

The invention provides a kind of electro-hydraulic promotion of single-wheel with from energy regenerative brake combined device, on single airplane wheel, for driving wheel or braking wheel, the electro-hydraulic promotion of single-wheel includes with from energy regenerative brake combined device:Electro-hydraulic promotion subsystem, including electric-motor pump energy bag and wheel drive module, when sliding into appointed place with normal speed on the ground under the operation of pilot for aircraft, the electric energy that aircraft electrical power system is provided is converted into hydraulic energy by the electric-motor pump energy bag, to be supplied to the wheel drive module, it is used to drive the wheel;And from energy regenerative braking subsystem, for after aircraft landing lands, the kinetic energy of the wheel of high speed rotation being converted into hydraulic energy, so that the wheel is braked.

Description

A kind of electro-hydraulic ground taxi of monowheel chassis promote with from energy regenerative brake combined device
Technical field
The present invention relates to aircraft control field, and in particular to the electro-hydraulic promotion for single airplane wheel is braked with from energy regenerative Combination unit.
Background technology
Airplane wheel is the important airborne equipment of aircraft, has vital work for the normal takeoff and landing of aircraft With.For airplane wheel, two more main problems are aircraft brake and aircraft floor dragging, and both 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, and this portion of energy is usual Dissipated in the form of generating heat by aircraft brake system.
Additionally, aircraft is dragged using ground plane tractor mostly in ground run, or by aircraft itself engine Promote and advance or retreat, 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 management.
The content of the invention
In view of problem above, the invention provides a kind of electro-hydraulic promotion of single-wheel with from energy regenerative brake combined device, it is based on The new ideas proposition of " more electric aircraft ", by the use of 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 be aircraft brake actuator energy supply, improves brake system structure and reliability, so as to will fly Machine is braked and aircraft floor traveling is promoted and combined, and can greatly improve aircraft takeoffs and landings holder function, lifts aeroplane performance.
According to an aspect of the present invention, the electro-hydraulic promotion of the single-wheel flies with from energy regenerative brake combined device installed in single On machine wheel, for driving wheel or braking wheel, the electro-hydraulic promotion of single-wheel includes with from energy regenerative brake combined device:
Electro-hydraulic promotion subsystem, including motor-pump energy bag and wheel drive module, for aircraft pilot operation Under when sliding into appointed place with normal speed on the ground, the electricity that the motor-pump energy bag provides aircraft electrical power system Hydraulic energy can be converted into, to be supplied to the wheel drive module, be used to drive the wheel;And
From energy regenerative braking subsystem, for after aircraft landing lands, the kinetic energy of the wheel of high speed rotation being converted into liquid Pressure energy, so that the wheel is braked.
According to embodiment, the motor-pump energy bag includes:
Variable speed machine, for driving hydraulic pump;
Hydraulic pump, is connected, with the variable speed machine for exporting hydraulic oil;And
Solenoid directional control valve, is connected via check valve with the hydraulic pump, is driven for the hydraulic oil to be accessed into the wheel Dynamic model block.
According to embodiment, the wheel drive module includes:
Accumulator, hydraulic energy for store the hydraulic oil in parallel with the solenoid directional control valve;
Hydraulic motor, is connected via decelerator and clutch with the wheel, for the pressure energy of the hydraulic oil is defeated It is moment of torsion to go out, to drive the wheel.
According to embodiment, the motor-pump energy bag is included via the check valve and the first of the hydraulic pressure parallel connection of pumps Safety valve, for stablizing the outlet pressure of the hydraulic pump and preventing fluid from flowing backwards;And the wheel drive module include with The hydraulic motor the second safety valve in parallel, the outlet pressure for keeping the hydraulic motor and the accumulator works as pressure Oil inlet and oil return opening are turned on when power is too high, excess pressure is discharged.
According to embodiment, the rotating speed of the variable speed machine and the hydraulic motor by on-board controller control, and The port position of the solenoid directional control valve is turned to by on-board controller control with changing the hydraulic motor, thus it is positive or Wheel described in reverse drive.
It is described to include from energy regenerative braking subsystem according to embodiment:
Hydraulic motor, be connected via decelerator and clutch with the wheel, for will rotation at a high speed the wheel Kinetic energy is converted into hydraulic energy, to export hydraulic 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 during ground taxi, and after aircraft landing landing, is connect Logical connection between the hydraulic motor and the braking action device, so that the wheel is braked.
It is described also to include from energy regenerative braking subsystem according to embodiment:
Accumulator, for utilizing stored hydraulic energy to aid in the wheel to brake;And
Safety valve, oil inlet and outlet pressure differential for keep the hydraulic motor in parallel with the hydraulic motor.
According to embodiment, the rotating speed of the hydraulic motor by on-board controller control, and the switch valve port Position by on-board controller control, with the connection being switched on or switched off between the hydraulic motor and the braking action device.
According to embodiment, the decelerator is used to increase the output torque of the hydraulic motor;And the clutch is used In controlling described electro-hydraulic to promote subsystem or the action time section from energy regenerative braking subsystem and the wheel so that in institute When the speed for stating wheel exceedes system tolerance degree, the throw-out-of clutch with protection system parts, and in the wheel Speed when dropping to allowed band, the clutch is closed so that system and the wheel form one, performs driving function.
Brief description of the drawings
Fig. 1 is the electro-hydraulic promotion of single-wheel according to the embodiment of the present invention and the structural representation from energy regenerative brake combined device.
Fig. 2 is the electro-hydraulic promotion of single-wheel according to the embodiment of the present invention and the electro-hydraulic promotion subsystem from energy regenerative brake combined device The structural representation of system.
Fig. 3 is in the electro-hydraulic promotion of single-wheel according to embodiments of the present invention and the electro-hydraulic promotor site from energy regenerative brake combined device The fluid flow graph that wheel is rotated forward in the presence of system.
Fig. 4 is in the electro-hydraulic promotion of single-wheel according to embodiments of the present invention and the electro-hydraulic promotor site from energy regenerative brake combined device The counter-rotational fluid flow graph of wheel in the presence of system.
Fig. 5 is sub from energy regenerative brake with from energy regenerative brake combined device according to the electro-hydraulic promotion of single-wheel of the embodiment of the present invention The structural representation of system.
Fig. 6 is to be braked from energy regenerative with from energy regenerative brake combined device in the electro-hydraulic promotion of single-wheel according to embodiments of the present invention Wheel fluid flow graph in the presence of subsystem.
Specific embodiment
Describe referring to the drawings the electro-hydraulic promotion of single-wheel according to embodiments of the present invention with from energy regenerative brake combined device.
Fig. 1 shows the electro-hydraulic promotion of single-wheel according to embodiments of the present invention and the structure from energy regenerative brake combined device.Such as Fig. 1 Shown, the electro-hydraulic promotion of single-wheel of the present embodiment is arranged on single airplane wheel with from energy regenerative brake combined device, for driving Wheel brakes wheel.In structure, the electro-hydraulic promotion of single-wheel includes variable speed machine 1, liquid with from energy regenerative brake combined device Press 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 passes through The elements such as decelerator, clutch are connected with wheel 8, are powered by airborne power supply, and control variable speed machine by on-board controller 1st, solenoid directional control valve 4, hydraulic motor 6 and switch valve 7, are used to drive or brake wheel 8.
Functionally, the electro-hydraulic promotion of single-wheel is stopped with from energy regenerative brake combined device including electro-hydraulic promotion subsystem and from energy regenerative Cart subsystem, wherein electro-hydraulic promotion subsystem includes motor-pump energy bag 1,2,4,10 and wheel drive module 5,6,9, uses When aircraft slides into appointed place with normal speed on the ground under the operation of pilot, motor-pump energy bag will for example The electric energy that the aircraft electrical power system of airborne power supply is provided 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, the kinetic energy of the wheel 8 of high speed rotation is converted into Hydraulic energy, so that wheel 8 is braked.
Describe the concrete structure of electro-hydraulic promotion subsystem 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 bag 1,2,4,10 and wheel drive Dynamic model block 5,6,9, wherein, motor-pump energy bag 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 connected with variable speed machine 1, for exporting hydraulic oil;Peace Full valve 10 is in parallel with hydraulic pump 2 via check valve 3, and the outlet pressure for stabilizing solution press pump 2 simultaneously prevents fluid from flowing backwards;And electricity Magnetic reversal valve 4 is connected via check valve 3 with hydraulic pump 2, for hydraulic oil to be accessed into 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, the hydraulic energy for storing hydraulic oil;Safety valve 9 is in parallel with hydraulic motor 6, for keeping hydraulic pressure horse Up to 6 and the outlet pressure of accumulator 5, oil inlet and oil return opening are turned on when hypertonia, discharge excess pressure;And hydraulic pressure horse It is connected with wheel 8 via decelerator and clutch up to 6, for the pressure energy of hydraulic oil to be output as into moment of torsion, to drive wheel 8 just To or rotate backward.
Referring to the explanations of Fig. 3 and 4 fluid stream that wheel is rotated forward or backwards in the presence of electro-hydraulic promotion subsystem Xiang Tu.
Fig. 3 shows the fluid flow graph that wheel is rotated forward in the presence of electro-hydraulic promotion subsystem.Fig. 4 shows The counter-rotational fluid flow graph of wheel in the presence of electro-hydraulic promotion subsystem.As shown in Figures 3 and 4, when aircraft is pilot's Under operation, when sliding into appointed place with normal speed on the ground, at the electro-hydraulic promotion subsystem on each wheel 8 In working condition, and switch valve 7 disconnects electro-hydraulic promotion subsystem and the connection of braking action device by on-board controller control, makes Braking action device does not work.
Variable speed machine 1 drive hydraulic pump 2 output hydraulic oil, by solenoid directional control valve 4 access parallel connection accumulator 5 and Hydraulic motor 6;Hydraulic oil is the punching press energy storage of accumulator 5, while the rotation output torque of hydraulic motor 6 is driven, then by decelerator Wheel 8 itself is connected to clutch, wheel motion is driven.On-board controller controls turning for variable speed machine 1 and hydraulic motor 6 Speed;And the port position of solenoid directional control valve 4 is controlled, is turned to changing hydraulic motor 6, so that wheel 8 is rotated forward or backwards.
Wherein, decelerator is used to increase the output torque of hydraulic motor 6, reduces system energy consumption;Clutch is whole for controlling The action time section of individual system and wheel 8, when the speed of airplane wheel 8 exceedes system tolerance degree, throw-out-of clutch is protecting System unit, when the speed of wheel 8 drops to allowed band, clutch closure is so that system forms one, execution with wheel 8 Driving function.
Fig. 5 shows the electro-hydraulic promotion of single-wheel according to embodiments of the present invention and being stopped from energy regenerative from energy regenerative brake combined device The structure of cart subsystem.It is, using the rotary motion of wheel itself, wheel rotation function to be collected, by it from energy regenerative braking subsystem Hydraulic energy driving brake actuator is converted into, wheel is braked in turn.Because wheel self-energy is collected in turn Wheel braking is acted on, so being referred to as from energy regenerative brake.
As shown in figure 5, in the present embodiment, hydraulic motor 6 and switch valve 7 are included from energy regenerative braking subsystem.
Wherein, hydraulic motor 6 is connected via decelerator and clutch with wheel 8, for moving the wheel 8 of high speed rotation Hydraulic energy can be converted into, to export hydraulic 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 controlling switch valve 7, to connect between hydraulic motor 6 and braking action device Connection, so that wheel 8 is braked.
As shown in figure 5, also including accumulator 5 and safety valve 9 from energy regenerative braking subsystem, wherein accumulator 5 is used to utilize The hydraulic energy auxiliary wheel braking for being stored;And safety valve 9 is in parallel with hydraulic motor 6, the turnover for keeping hydraulic motor Hydraulic fluid port pressure differential.
Also, the rotating speed of hydraulic motor 6 is by on-board controller control, and as described above, decelerator is used to increase The output torque of hydraulic motor 6;And clutch is used to control the action time section from energy regenerative braking subsystem and wheel 8, makes When the speed of wheel 8 exceedes system tolerance degree, throw-out-of clutch with protection system part, and in the speed of wheel 8 When dropping to allowed band, clutch is closed so that system forms one, execution driving function with wheel 8.
Fig. 6 shows the electro-hydraulic promotion of single-wheel according to embodiments of the present invention and being stopped from energy regenerative from energy regenerative brake combined device Wheel fluid flow graph in the presence of cart subsystem.
As shown in fig. 6, when aircraft is after landing is landed, air speed is very fast, and wheel 8 is in high speed rotation status, electricity Liquid promotes the solenoid directional control valve 4 of subsystem to be off under the control of on-board controller, cuts off and motor-pump energy bag Connection, therefore only from energy regenerative braking subsystem work.The wheel 8 of rotation drives hydraulic motor 6 in turn at a high speed, to export height Press oil and the port position of switch valve 7 is connected between hydraulic motor 6 and braking action device under the control of on-board controller Connection, makes to perform brake function on braking action device.Energy of the storage in accumulator 5 is also used for supplement brake simultaneously.
As described above, the invention provides a kind of electro-hydraulic promotion subsystem and the group from energy regenerative braking subsystem time-sharing multiplex Attach together and put, i.e. when electro-hydraulic promotion subsystem work, be in from energy regenerative braking subsystem and left unused, vice versa;So as to reduce The burden of plane hydraulic system, saves plane hydraulic system energy, improves aircraft capacity usage ratio, while greatly strengthening aircraft certainly Main motion ability and integrated degree is high.
Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and is not to of the invention The restriction of implementation method.For those of ordinary skill in the field, it can also be made on the basis of the above description The change or variation of its multi-form.There is no need and unable to be exhaustive to all of implementation method.And these belong to this hair Obvious change that bright spirit is extended out or among changing still in protection scope of the present invention.

Claims (9)

1. a kind of single-wheel is electro-hydraulic promotes and from energy regenerative brake combined device, on single airplane wheel, for driving wheel Or wheel is braked, the electro-hydraulic promotion of single-wheel includes with from energy regenerative brake combined device:
Electro-hydraulic promotion subsystem, including motor-pump energy bag and wheel drive module, for aircraft under the operation of pilot When sliding into appointed place with normal speed on ground, the electric energy that the motor-pump energy bag provides aircraft electrical power system turns Hydraulic energy is turned to, to be supplied to the wheel drive module, is used to drive the wheel;And
From energy regenerative braking subsystem, for after aircraft landing lands, the kinetic energy of the wheel of high speed rotation being converted into hydraulic energy, So that the wheel braking.
2. single-wheel as claimed in claim 1 is electro-hydraulic promotes and from energy regenerative brake combined device, wherein, the motor-pump energy Bag includes:
Variable speed machine, for driving hydraulic pump;
Hydraulic pump, is connected, with the variable speed machine for exporting hydraulic oil;And
Solenoid directional control valve, is connected via check valve with the hydraulic pump, and mould is driven for the hydraulic oil to be accessed into the wheel Block.
3. single-wheel as claimed in claim 2 is electro-hydraulic promotes and from energy regenerative brake combined device, wherein, the wheel drive module Including:
Accumulator, hydraulic energy for store the hydraulic oil in parallel with the solenoid directional control valve;
Hydraulic motor, is connected via decelerator and clutch with the wheel, for the pressure energy of the hydraulic oil to be output as Moment of torsion, to drive the wheel.
4. single-wheel as claimed in claim 3 is electro-hydraulic promotes and from energy regenerative brake combined device, wherein, the motor-pump energy Bag includes the first safety valve with the hydraulic pressure parallel connection of pumps, the outlet pressure for stablizing the hydraulic pump via the check valve And prevent fluid from flowing backwards;And the wheel drive module includes second safety valve in parallel with the hydraulic motor, for protecting The outlet pressure of the hydraulic motor and the accumulator is held, oil inlet and oil return opening are turned on when hypertonia, it is unnecessary to discharge Pressure.
5. the electro-hydraulic promotion of single-wheel as described in claim 3 or 4 with from energy regenerative brake combined device, wherein, the variable-ratio electricity The rotating speed of machine and the hydraulic motor is by on-board controller control, and the port position of the solenoid directional control valve passes through airborne Controller is controlled, and is turned to changing the hydraulic motor, so as to drive the wheel forward or backwards.
6. single-wheel as claimed in claim 1 is electro-hydraulic promotes and from energy regenerative brake combined device, wherein, it is described from energy regenerative brake System includes:
Hydraulic motor, is connected via decelerator and clutch with the wheel, the kinetic energy of the wheel for high speed to be rotated Hydraulic energy is converted into, to export hydraulic oil;And
Switch valve, is connected between the hydraulic motor and braking action device, for aircraft under the operation of pilot on ground 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.
7. single-wheel as claimed in claim 6 is electro-hydraulic promotes and from energy regenerative brake combined device, wherein, it is described from energy regenerative brake System also includes:
Accumulator, for utilizing stored hydraulic energy to aid in the wheel to brake;And
Safety valve, oil inlet and outlet pressure differential for keep the hydraulic motor in parallel with the hydraulic motor.
8. the electro-hydraulic promotion of single-wheel as claimed in claims 6 or 7 with from energy regenerative brake combined device, wherein, the hydraulic motor Rotating speed by on-board controller control, and the switch valve port position by on-board controller control, connecting or Disconnect the connection between the hydraulic motor and the braking action device.
9. the electro-hydraulic promotion of single-wheel as described in claim 3 or 6 with from energy regenerative brake combined device, wherein, the decelerator is used In the output torque for increasing the hydraulic motor;And the clutch be used for control it is described it is electro-hydraulic promotion subsystem or it is described from The action time section of energy regenerative braking subsystem and the wheel so that when the speed of the wheel exceedes system tolerance degree, The throw-out-of clutch with protection system parts, and when the speed of the wheel drops to allowed band, the clutch Device is closed so that system forms one, execution driving function with the wheel.
CN201611198147.1A 2016-12-22 2016-12-22 A kind of electro-hydraulic ground taxi of monowheel chassis push with from energy regenerative brake combined device Active CN106741878B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611198147.1A CN106741878B (en) 2016-12-22 2016-12-22 A kind of electro-hydraulic ground taxi of monowheel chassis push with from energy regenerative brake combined device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611198147.1A CN106741878B (en) 2016-12-22 2016-12-22 A kind of electro-hydraulic ground taxi of monowheel chassis push with from energy regenerative brake combined device

Publications (2)

Publication Number Publication Date
CN106741878A true CN106741878A (en) 2017-05-31
CN106741878B CN106741878B (en) 2019-08-20

Family

ID=58897273

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611198147.1A Active CN106741878B (en) 2016-12-22 2016-12-22 A kind of electro-hydraulic ground taxi of monowheel chassis push with from energy regenerative brake combined device

Country Status (1)

Country Link
CN (1) CN106741878B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110296120A (en) * 2019-06-14 2019-10-01 庆安集团有限公司 A kind of hatch door transient state acting device of low-power requirements
US10744985B2 (en) 2018-04-19 2020-08-18 Goodrich Corporation Electro-hydrostatic brake control
CN112849424A (en) * 2021-02-03 2021-05-28 北京航空航天大学 Aircraft dragging device based on digital hydraulic motor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102092472A (en) * 2011-01-20 2011-06-15 北京航空航天大学 Self-energy feeding type brake device for airplanes
CN102328750A (en) * 2010-06-10 2012-01-25 梅西耶-布加蒂公司 Be fitted with the aircraft of individual drive device
US20120138734A1 (en) * 2010-12-03 2012-06-07 Bae Systems Controls, Inc. Hydraulic ground propulsion system
CN103803063A (en) * 2014-01-26 2014-05-21 北京航空航天大学 Self-energy feedback type brake apparatus-based airplane braking system and control method thereof
US20150266567A1 (en) * 2014-03-24 2015-09-24 Mohammed Bouzmane Electric hydraulic motor system for aircraft
CN105691601A (en) * 2016-01-28 2016-06-22 北京航空航天大学 Aircraft propelling device based on hydraulic motor and propelling control system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102328750A (en) * 2010-06-10 2012-01-25 梅西耶-布加蒂公司 Be fitted with the aircraft of individual drive device
US20120138734A1 (en) * 2010-12-03 2012-06-07 Bae Systems Controls, Inc. Hydraulic ground propulsion system
CN102092472A (en) * 2011-01-20 2011-06-15 北京航空航天大学 Self-energy feeding type brake device for airplanes
CN103803063A (en) * 2014-01-26 2014-05-21 北京航空航天大学 Self-energy feedback type brake apparatus-based airplane braking system and control method thereof
US20150266567A1 (en) * 2014-03-24 2015-09-24 Mohammed Bouzmane Electric hydraulic motor system for aircraft
CN105691601A (en) * 2016-01-28 2016-06-22 北京航空航天大学 Aircraft propelling device based on hydraulic motor and propelling control system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10744985B2 (en) 2018-04-19 2020-08-18 Goodrich Corporation Electro-hydrostatic brake control
CN110296120A (en) * 2019-06-14 2019-10-01 庆安集团有限公司 A kind of hatch door transient state acting device of low-power requirements
CN112849424A (en) * 2021-02-03 2021-05-28 北京航空航天大学 Aircraft dragging device based on digital hydraulic motor

Also Published As

Publication number Publication date
CN106741878B (en) 2019-08-20

Similar Documents

Publication Publication Date Title
CN106741878A (en) A kind of electro-hydraulic ground taxi of monowheel chassis promote with from energy regenerative brake combined device
CN102582425B (en) Walking hydraulic control system and self-walking type engineering machinery utilizing same
CN104859626B (en) A kind of electric hydrostatic braking action device of aircraft
EP2570381A1 (en) Traveling hydraulic handling machine of energy-saving type
CN102092472B (en) Self-energy feeding type brake device for airplanes
CN102658869A (en) Hydraulic ground propulsion system
CN103738154B (en) The electric-hydraulic combined four-wheel-drive hybrid power system of oil and control method
CN205478612U (en) Engineering machine tool hydraulic braking system
CN106741877B (en) A kind of electro-hydraulic ground taxi of multi-wheeled bogie push with from energy regenerative brake combined device
CN103508321B (en) Hydraulic control device for monorail locomotive
CN202378697U (en) Travel hydraulic control system and self-propelled engineering machinery applying such control system
CN105366040A (en) Double-switch-valve-based self-powdering brake apparatus and system
CN105008749B (en) A kind of method and clutch operating hydraulic disk clutch in AWD vehicles
CN201023524Y (en) Hydraulic hybrid power bus auxiliary power steering unit
CN103569352B (en) For producing the method for hydraulic power, the application of hybrid power control unit and drive system in aircraft
CN105691601A (en) Aircraft propelling device based on hydraulic motor and propelling control system
CN107140189B (en) A kind of power-by-wire remaining is from energy regenerative brake gear
CN101722828A (en) Driving system of wheel-drive type hydrostatic transmission hybrid vehicle
CN103419630A (en) Vehicular self-drive hydraulic control system with function of inertial energy accumulation
CN205906937U (en) Single track loop wheel machine car hydraulic drive system
CN210949317U (en) Self-speed-limiting hydraulic system for road roller under vibration working condition
CN105329228A (en) Self energy feeding type brake device and system based on switch valve
CN205858817U (en) Hoistable platform and fluid power system thereof
CN206306839U (en) A kind of aerial work platform four-wheel-driven control system
CN107891971A (en) Front-wheel drive simultaneously realizes the aircraft propulsion device and method that differential driving turns to

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant