CN108394551A - Can self-locking parking double lead-screw Mechanical type airplane brake control system and method - Google Patents
Can self-locking parking double lead-screw Mechanical type airplane brake control system and method Download PDFInfo
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- CN108394551A CN108394551A CN201810301069.6A CN201810301069A CN108394551A CN 108394551 A CN108394551 A CN 108394551A CN 201810301069 A CN201810301069 A CN 201810301069A CN 108394551 A CN108394551 A CN 108394551A
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- brake
- parking
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- leading screw
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/42—Arrangement or adaptation of brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE 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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/42—Arrangement or adaptation of brakes
- B64C25/44—Actuating mechanisms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Braking Systems And Boosters (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses it is a kind of can self-locking parking double lead-screw Mechanical type airplane brake control system and method, wherein system includes：Bidirectional brake motor generates brake weight；Intergrade deceleration mechanism is driven by bidirectional brake motor and is rotated, and to amplify brake weight by deceleration torque, and amplified brake weight is passed to for braking and the leading screw of parking；Can not self-locking brake grade leadscrew-nut mechanism be used to convert amplified brake weight to brake thrust；Can self-locking parking grade leadscrew-nut mechanism with can not self-locking brake the direction of motion of brake grade leading screw of grade leadscrew-nut mechanism it is opposite；Controller for control bidirectional brake motor rotate forward with complete target brake task, or control bidirectional brake motor reversal with drive can self-locking parking grade leadscrew-nut mechanism parking grade leading screw advance so that after cutting off self-lock complete parking task.The system can effectively improve the reliability of aircraft brake parking control, at low cost, simple easily to realize.
Description
Technical field
The present invention relates to ground brake, the brake of full Electromechanical, aircraft electronic control technology fields, more particularly to one kind can self-locking
The double lead-screw Mechanical type airplane brake control system and method for parking.
Background technology
Since the aircraft accident more than half is all happened at landing phases, aircraft floor brake system pacifies aircraft
It is complete particularly significant, while mechanical electrical brake is the main direction of development of airplane brake system.However due to brake process
In requirement for antiskid function, main braking mechanism must be unable to self-locking, be led to avoid mechanism self-locking when system catastrophic failure
Cause wheel lock up.
On the other hand, parking function is required when aircraft is shut down.And under power blackout situation, it is aforementioned can not self-locking it is main
Braking mechanism cannot be satisfied the function of power-off parking, therefore current all-electric braking system is often used and installed additional in brake motor
Normal-close clutch device, brake mode meet system cut-off self-locking function.And since the system is in inside motor, this
Reliability, the substitutability of kind solution are poor, and design requirement and cost are all higher.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, an object of the present invention is to provide it is a kind of can self-locking parking double lead-screw Mechanical type airplane brake control
System, which can effectively improve the reliability of aircraft brake parking control, at low cost, simple easily to realize.
It is another object of the present invention to propose it is a kind of can self-locking parking double lead-screw Mechanical type airplane brake controlling party
Method.
In order to achieve the above objectives, one aspect of the present invention propose it is a kind of can self-locking parking double lead-screw Mechanical type airplane brake
Control system, including：Bidirectional brake motor for forward direction or rotates backward, to generate brake weight；Intergrade deceleration mechanism,
Intergrade deceleration mechanism is connected with the bidirectional brake motor, and intergrade deceleration mechanism is by the bidirectional brake motor
Drive rotation, to amplify the brake weight by deceleration torque, and the amplified brake weight passed to for braking and
The leading screw of parking；Can not self-locking brake grade leadscrew-nut mechanism, it is described can not self-locking brake grade leadscrew-nut mechanism with it is described in
Intercaste deceleration mechanism is connected, for converting the amplified brake weight to brake thrust；It can self-locking parking grade leading screw
Nut body, it is described can self-locking parking grade leadscrew-nut mechanism with it is described can not self-locking brake grade leadscrew-nut mechanism be connected, use
In with it is described can not self-locking brake the direction of motion of brake grade leading screw of grade leadscrew-nut mechanism it is opposite；Controller, the control
Device is connected with the bidirectional brake motor, and the controller is used for when aircraft enters brake operating mode or parking operating mode, control
The bidirectional brake motor is rotated forward to be braked task with completing target, or the control bidirectional brake motor reversal is described to drive
Can self-locking parking grade leadscrew-nut mechanism parking grade leading screw advance so that after cutting off self-lock complete parking task.
The embodiment of the present invention can self-locking parking double lead-screw Mechanical type airplane brake control system, pass through controller tune
Section, brake motor rotating forward is controlled when aircraft enters braking state, and brake motor reversion is controlled when aircraft enters parked state,
According to the different operating mode of aircraft carry out brake and parking control and regulation, and parking grade leading screw can self-locking, can be completed after power-off
Parking task, it is at low cost to effectively improve the reliability of aircraft brake parking control, it is simple easily to realize.
In addition, it is according to the above embodiment of the present invention can self-locking parking double lead-screw Mechanical type airplane brake control system also
There can be following additional technical characteristic：
Further, in one embodiment of the invention, above system further includes：At least one brake stage pressure sensing
Device, at least one brake stage pressure sensor with it is described can not self-locking brake grade leadscrew-nut mechanism be connected, with detect brake
The pressure signal of vehicle；At least one parking stage pressure sensor, at least one parking stage pressure sensor can oneself with described
It locks parking grade leadscrew-nut mechanism to be connected, to detect the pressure signal of parking.
Further, in one embodiment of the invention, the controller is further used for the pressure according to the brake
Force signal and the pressure signal of the parking generate control instruction, to control positive or reversed turn of the bidirectional brake motor
It is dynamic.
Further, in one embodiment of the invention, in the aircraft freedom of entry state, the controller root
The bidirectional brake motor respective direction rotation is controlled according to the pressure signal of the parking of the pressure signal of the brake, until
Pressure sensor is zeroed, and the brake grade leading screw and the parking grade leading screw be not to wheel active force.
Further, in one embodiment of the invention, the movement of brake the grade leading screw and the parking grade leading screw
Direction is opposite always.
Further, in one embodiment of the invention, the brake grade leading screw and the parking grade leading screw and wheel
Relative position between brake disc meets preset condition, wherein the preset condition includes：There are brake motor Shaft angle,
So that the brake grade leading screw and the parking grade leading screw at the same not with the wheel brake disc, and the brake grade leading screw
The distance between described wheel brake disc meets preset requirement of the airplane antiskid braking for hardware system；In any state
Under, the case where the brake grade leading screw and the parking grade leading screw is all not present while being in contact with the wheel brake disc；
Under the brake operating mode, the brake grade leading screw above pushes away and when the parking grade leading screw is withdrawn, if any lead screw reach its to
Upper or downward displacement limits, then the brake weight meet aircraft brake maximum, force；Under the parking operating mode, the parking grade silk
It is pushed away on thick stick and brake grade leading screw when withdrawing, it is described if any leading screw reaches its displacement limits upward or downward
Parking power meets aircraft parking maximum, force.
In order to achieve the above objectives, another aspect of the present invention embodiment propose it is a kind of can self-locking parking double lead-screw it is mechanical
Aircraft brake control method, includes the following steps：Judge operating mode residing for aircraft, wherein the operating mode include brake operating mode or
Parking operating mode；When aircraft is in brake operating mode, control motor, which rotates forward, generates brake weight to complete target brake task；In aircraft
When in parking operating mode, control motor reversal with drive can self-locking parking grade leadscrew-nut mechanism parking grade leading screw advance, make
Parking task is completed after must cutting off self-lock.
The embodiment of the present invention can self-locking parking double lead-screw Mechanical type airplane brake control method, pass through controller tune
Section, brake motor rotating forward is controlled when aircraft enters braking state, and brake motor reversion is controlled when aircraft enters parked state,
According to the different operating mode of aircraft carry out brake and parking control and regulation, and parking grade leading screw can self-locking, can be completed after power-off
Parking task, it is at low cost to effectively improve the reliability of aircraft brake parking control, it is simple easily to realize.
In addition, it is according to the above embodiment of the present invention can self-locking parking double lead-screw Mechanical type airplane brake control method also
There can be following additional technical characteristic：
Further, in one embodiment of the invention, the above method further includes：It detects the pressure signal of brake and stays
The pressure signal of vehicle；Control instruction is generated according to the pressure signal of the brake and the pressure signal of the parking, it is double to control
To brake motor forward direction or rotate backward.
Further, in one embodiment of the invention, in the aircraft freedom of entry state, according to the brake
Pressure signal and the pressure signal of the parking control bidirectional brake motor respective direction rotation, until pressure sensor
It is zeroed, the brake grade leading screw and the parking grade leading screw be not to wheel active force.
Further, in one embodiment of the invention, wherein there are brake motor Shaft angles so that the brake
Grade leading screw and the parking grade leading screw simultaneously not with the wheel brake disc, and the brake grade leading screw and the wheel system
The distance between Moving plate meets preset requirement of the airplane antiskid braking for hardware system；Under any state, institute is all not present
The case where stating brake grade leading screw and the parking grade leading screw while being in contact with the wheel brake disc；In the brake operating mode
Under, the brake grade leading screw above pushes away and when the parking grade leading screw is withdrawn, if any lead screw reaches its displacement upward or downward
The limit, then the brake weight meet aircraft brake maximum, force；Under the parking operating mode, the parking grade leading screw above pushes away and described
When brake grade leading screw is withdrawn, if any leading screw reaches its displacement limits upward or downward, the parking power, which meets, to fly
Machine parking maximum, force.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein：
Fig. 1 be according to one embodiment of the invention can self-locking parking double lead-screw Mechanical type airplane brake control system
Structural schematic diagram；
Fig. 2 be according to one specific embodiment of the present invention can self-locking parking double lead-screw Mechanical type airplane brake control system
The structural schematic diagram of system；
Fig. 3 be according to one embodiment of the invention can self-locking parking double lead-screw Mechanical type airplane brake control system
Principle flow chart；
Fig. 4 be according to one embodiment of the invention can self-locking parking double lead-screw Mechanical type airplane brake control method
Flow chart.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Describe to propose according to embodiments of the present invention with reference to the accompanying drawings can the double lead-screw Mechanical type airplane of self-locking parking stop
Vehicle control and method, describe to propose according to embodiments of the present invention first with reference to the accompanying drawings can self-locking parking double lead-screw machine
Tool formula aircraft brake control system.
Fig. 1 be one embodiment of the invention can self-locking parking double lead-screw Mechanical type airplane brake control system structure
Schematic diagram.
As shown in Figure 1, this can the double lead-screw Mechanical type airplane brake control system 10 of self-locking parking include：Bidirectional brake electricity
Machine 100, intergrade deceleration mechanism 200, can not self-locking brake grade leadscrew-nut mechanism 300, can self-locking parking grade feed screw nut machine
Structure 400 and controller 500.
Wherein, bidirectional brake motor 100 for forward direction or rotates backward, to generate brake weight.Intergrade deceleration mechanism
200 are connected with bidirectional brake motor 100, and intergrade deceleration mechanism 200 is driven by bidirectional brake motor 100 and rotated, with by subtracting
Fast torque amplifies brake weight, and amplified brake weight is passed to for braking and the leading screw of parking.It can not self-locking brake grade
Leadscrew-nut mechanism 300 is connected with intergrade deceleration mechanism 200, for converting amplified brake weight to brake thrust.It can
Self-locking parking grade leadscrew-nut mechanism 400 with can not self-locking brake grade leadscrew-nut mechanism 300 be connected, for can not self-locking brake
The direction of motion of the brake grade leading screw of vehicle grade leadscrew-nut mechanism 300 is opposite.Controller 500 is connected with bidirectional brake motor 100,
Controller 500 is used for when aircraft enters brake operating mode or parking operating mode, and control bidirectional brake motor is rotated forward to complete target
Brake task, or control bidirectional brake motor reversal with drive can self-locking parking grade leadscrew-nut mechanism 400 parking grade silk
Thick stick advances so that parking task is completed after cutting off self-lock.The system 10 of the embodiment of the present invention can be in brake work according to aircraft
Condition or parking operating mode carry out brake and parking control and regulation, and parking grade leading screw can self-locking, can be completed after power-off parking appoint
Business, it is at low cost to effectively improve the reliability of aircraft brake parking control, it is simple easily to realize.
It is understood that bidirectional brake motor 100 is brake weight generating source, by the control of controller 500 and being capable of basis
It needs to carry out positive and rotate backward, and deceleration mechanism is driven to rotate.Intergrade deceleration mechanism 200 is by aforementioned bidirectional brake motor
100 drive, and are amplified by the power that deceleration torque generates motor, and transmit the force to for braking and the leading screw of parking.It can not
Self-locking brake grade leadscrew-nut mechanism 300 converts the power that deceleration mechanism transmits to brake thrust, can not latching characteristics satisfaction
The requirement of airplane antiskid braking.Can self-locking parking grade leadscrew-nut mechanism 400 driven by higher level's force transfer mechanism, in the course of work
The direction of motion with can not self-locking brake grade leading screw it is opposite.Controller 500 is used for including aforementioned pressure sensor signal
Various signals are handled, and control instruction is transmitted to brake motor and is acted with completing brake and parking.
Further, bidirectional brake motor 100 its rotate and reverse the power that can be brought respectively needed for brake and parking.Its
In, brake either-rotation motor 100 its rotate and reverse the power that can be brought respectively needed for brake and parking.
Further, intergrade deceleration mechanism 200 may be used multistage spur gear and slow down, by the spur gear band of motor shaft end
It is dynamic, by deceleration force amplifier, drive can not self-locking brake grade leadscrew-nut mechanism 300 nut rotation, and then drive can self-locking stay
The nut of vehicle grade leadscrew-nut mechanism 400 rotates.
Further, in one embodiment of the invention, brake grade leading screw and parking grade leading screw the direction of motion always
On the contrary.
Specifically, can not self-locking brake grade leadscrew-nut mechanism 300 using can not self-locking ball-screw, and can self-locking
Parking grade feed screw nut 400 using can self-locking common feed screw nut.Brake grade leading screw and parking grade guide screw movement direction are always
On the contrary, when bidirectional brake motor drives brake grade leading screw above to push away, parking grade leading screw is accordingly withdrawn；Conversely, brake grade leading screw returns
It removes, then parking grade leading screw accordingly above pushes away.
Wherein, the nut gear that can be in self-locking parking grade leadscrew-nut mechanism 400 of the embodiment of the present invention can by with
Can not the nut gear of self-locking brake grade leadscrew-nut mechanism 300 be briefly described drive and above push away or withdraw.It should be noted that of the invention
Embodiment can also directly be driven by being engaged by other stress contact with intergrade deceleration mechanism 200, this field skill
Art personnel can be specifically arranged according to actual conditions, be not specifically limited herein.
Further, in one embodiment of the invention, as shown in Figure 1, the system 10 of the embodiment of the present invention further includes：
At least one brake stage pressure sensor 600 and at least one parking stage pressure sensor 700.
Wherein, at least one brake stage pressure sensor 600 with can not self-locking brake grade leadscrew-nut mechanism 300 be connected,
With the pressure signal of detection brake；At least one parking stage pressure sensor 700 with can self-locking parking grade leadscrew-nut mechanism 400
It is connected, to detect the pressure signal of parking.
It is understood that brake stage pressure sensor 600 can not self-locking leadscrew-nut mechanism 300 for measuring brake grade
The brake pressure size provided.Parking stage pressure sensor 700 is used for measuring parking grade can 400 institute of self-locking leadscrew-nut mechanism
The parking pressure size of offer.
Specifically, brake stage pressure sensor 600 and parking stage pressure sensor 700 respectively at can not self-locking brake grade
Leadscrew-nut mechanism 300 and can 400 structure of self-locking parking grade feed screw nut machine be arranged together, be respectively used in real time measure both institute
The propulsive thrust of brake or parking that the machine wheel born is come.
Further, in one embodiment of the invention, controller 500 is further used for the pressure signal according to brake
Control instruction is generated with the pressure signal of parking, to control 100 forward direction of bidirectional brake motor or rotate backward.
It is understood that controller 500 is for processing pressure sensor signal, brake instruction signal etc., and pass through by
Control instruction is transmitted to brake motor to complete the actions such as brake and parking.Controller 500 judges to need in brake and parking process
In how to control that motor relies primarily on brake stage pressure sensor 600 and 700 signal of parking stage pressure sensor is judged.It needs
It is noted that the controller 500 of the embodiment of the present invention is not necessarily an individual controller, upper layer can also be incorporated into
In the systems such as controller, those skilled in the art can be configured according to actual conditions, be not specifically limited herein.
Further, in one embodiment of the invention, brake grade leading screw and parking grade leading screw and wheel brake disc it
Between relative position meet preset condition, wherein preset condition includes：There are brake motor Shaft angles so that brake grade silk
Thick stick and parking grade leading screw simultaneously not with wheel brake disc, and brake the distance between grade leading screw and wheel brake disc meet it is winged
Preset requirement of the machine antiskid brake for hardware system；Under any state, brake grade leading screw and parking grade leading screw is all not present
The case where being in contact simultaneously with wheel brake disc；Under operating mode of braking, brake grade leading screw above pushes away and parking grade leading screw when withdrawing, such as
Any lead screw of fruit reaches its displacement limits upward or downward, then brake weight meets aircraft brake maximum, force；Under parking operating mode, stay
Vehicle grade leading screw above pushes away and when grade leading screw that brakes is withdrawn, if any leading screw reaches its displacement limits upward or downward, parking power
Meet aircraft parking maximum, force.
It is understood that as shown in Fig. 2, brake grade leading screw and parking grade leading screw and airplane wheel brake frictional disk 800
Between relative position and respective extreme displacement be arranged to have the characteristics that：There are a certain brake motor Shaft angle,
So that brake grade leading screw and parking grade leading screw and brake between grade leading screw and brake disc at this time simultaneously not with wheel brake disc
Distance meet basic demand of the airplane antiskid braking for hardware system, i.e. 2-3mm.Under any state, all it is not present and stops
The case where vehicle grade leading screw and parking grade leading screw are in contact with wheel brake disc simultaneously.Under operating mode of braking, motor rotation drives brake
Grade leading screw above push away and during parking grade leading screw is withdrawn, if any of the above-described lead screw reaches its displacement limits upward or downward,
Brake weight disclosure satisfy that the requirement of aircraft brake maximum, force at this time.Under parking operating mode, motor rotation drives parking grade leading screw above to push away
And during the grade leading screw that brakes is withdrawn, if any of the above-described leading screw reaches its displacement limits upward or downward, parking power at this time
It disclosure satisfy that the requirement of aircraft parking maximum, force.
If in addition, venting thrust in brake process, brake grade leading screw can be sprung back under the drive of brake disc.It is controlled during this
Device 500 processed needs to monitor 700 signal of parking stage pressure sensor, is more than certain limit to prevent brake grade leading screw rebound displacement, from
And parking grade leading screw is driven to generate excessive pressure to brake disc.
Further, in one embodiment of the invention, in aircraft freedom of entry state, controller is according to brake
The pressure signal control bidirectional brake motor respective direction rotation of the parking of pressure signal is stopped until pressure sensor is zeroed
Vehicle grade leading screw and parking grade leading screw be not to wheel active force.
In one particular embodiment of the present invention, the principle of system of the embodiment of the present invention 10 includes：
(1) controller 500 is instructed according to upper layer signal, and judgement is needed into braking state or parked state, and according to
History controls data and brake grade, parking stage pressure sensor signal judge brake system status, and then completes corresponding
Control operation.
(2) during aircraft landing, wheel original state is free, therefore two-stage pressure sensor signal above-mentioned is
Zero.When upper layer signal instruction controller needs to enter braking state, controller controls brake motor and rotates forward, and drives brake grade silk
Thick stick accordingly completes brake, while parking grade leading screw is accordingly withdrawn.Meanwhile it being fed back according to brake stage pressure sensor 600, control
System reaches requirement brake pressure.
(3) when airplane motion state stops, and upper layer signal indicates that controller 500 needs to enter power-off parked state, then
Controller controls brake motor reversion, drives parking grade leading screw accordingly to complete parking action, while grade leading screw that brakes is withdrawn.Together
When, it is fed back according to parking stage pressure sensor 700, after reaching requirement parking pressure, by system cut-off, at this time due to can self-locking
400 self-locking of parking grade leadscrew-nut mechanism, parking are completed.
(4) electricity needs after moving aboard, and upper layer signal indicates that controller 500 enters tire free state, then controls
Device 500 controls brake motor and rotates forward so that above-mentioned two-stage leading screw reach simultaneously not with the standard clearance position of brake disc.
Specifically, as shown in figure 3, it includes three levels that the embodiment of the present invention, which carries out aircraft brake control mainly,：
(1) according to various types of signal, controller judges which kind of state entered；
(2) under different conditions, controller control bidirectional brake motor is moved to respective direction；
(3) it is fed back according to signal, controls brake weight or parking power is met the requirements.
Further, under any operation circulation, control process initially enters the S101 links in Fig. 3.
Controller 500 acquires upper layer signal instruction, acquisition brake stage pressure sensor 600 and parking stage pressure sensor
700 signal, and history control data are integrated, to judge to need which kind of state of a control in which kind of S102 entered.
By in S101 links, control process enters the S102 links in Fig. 3.
If in S101 links, controller 500 judges that aircraft is in descent, then enters S102-1 links.At this point,
Since wheel original state is free, two-stage pressure sensor signal above-mentioned is zero.Controller 500 controls bidirectional brake electricity
Machine 100 rotates forward, and drives brake grade leading screw accordingly to complete brake, while parking grade leading screw is accordingly withdrawn.Enter S103- simultaneously
1 link, controller 500 are fed back according to the signal of brake stage pressure sensor 600 and parking stage pressure sensor 700, and control is stopped
Vehicle power reaches requirement brake pressure.In aforementioned brake process, if since airplane antiskid braking requires to need venting thrust, brake
Grade leading screw can be sprung back under the drive of airplane wheel brake frictional disk 800.Controller 500 needs to monitor parking grade pressure during this
700 signal of force snesor is more than certain limit to prevent brake grade leading screw rebound displacement, to drive parking grade leading screw to frictional disk
Generate excessive pressure.
If in S101 links, controller 500 judges that airplane motion state stops, and upper layer signal indicates controller 500
When needing to enter power-off parked state, into S102-2 links.It is inverted at this point, controller 500 controls bidirectional brake motor 100,
Parking grade leading screw is driven accordingly to complete parking action, while grade leading screw that brakes is withdrawn.Enter S103-2 links, controller simultaneously
500 feed back according to parking stage pressure sensor 700, after reaching requirement parking pressure, by system cut-off, at this time due to parking grade
400 self-locking of leadscrew-nut mechanism, parking are completed.
If in S101 links, controller 500 judges that entering aircraft powers on the state for needing to move, and upper layer signal indicates
Controller 500 enters tire free state.Controller 500 controls bidirectional brake motor 100 and rotates forward at this time, and target is so that above-mentioned
Two-stage leading screw reaches the standard clearance position not contacted simultaneously with airplane wheel brake frictional disk 800.Enter S103-3 rings simultaneously
Section, controller 500 are fed back according to the signal of brake stage pressure sensor 600 and parking stage pressure sensor 700, control aforementioned two
Grade leading screw arrival requires position.
It is proposed according to embodiments of the present invention can self-locking parking double lead-screw Mechanical type airplane brake control system, pass through control
Device processed is adjusted, and brake motor is controlled when aircraft enters braking state and is rotated forward, the control brake electricity when aircraft enters parked state
Machine invert, according to the different operating mode of aircraft carry out brake and parking control and regulation, and parking grade leading screw can self-locking, after power-off i.e.
Parking task can be completed, it is at low cost to effectively improve the reliability of aircraft brake parking control, it is simple easily to realize.
Referring next to attached drawing description propose according to embodiments of the present invention can self-locking parking double lead-screw Mechanical type airplane stop
Vehicle control method.
Fig. 4 be one embodiment of the invention can self-locking parking double lead-screw Mechanical type airplane brake control method flow
Figure.
As shown in figure 4, this can the double lead-screw Mechanical type airplane brake control method of self-locking parking include the following steps：
In step S401, operating mode residing for aircraft is judged, wherein operating mode includes brake operating mode or parking operating mode.
In step S402, when aircraft is in brake operating mode, control motor, which rotates forward, generates brake weight to complete target brake
Vehicle task.
In step S403, when aircraft is in parking operating mode, control motor reversal can self-locking parking grade leading screw to drive
The parking grade leading screw of nut body advances so that parking task is completed after cutting off self-lock.
Further, in one embodiment of the invention, the above method further includes：It detects the pressure signal of brake and stays
The pressure signal of vehicle；Control instruction is generated according to the pressure signal of brake and the pressure signal of parking, to control bidirectional brake electricity
Machine is positive or rotates backward.
Further, in one embodiment of the invention, in aircraft freedom of entry state, believed according to the pressure of brake
Number and parking pressure signal control bidirectional brake motor respective direction rotation, until pressure sensor is zeroed, brake grade silk
Thick stick and parking grade leading screw be not to wheel active force.
Further, in one embodiment of the invention, wherein there are brake motor Shaft angles so that brake grade silk
Thick stick and parking grade leading screw simultaneously not with wheel brake disc, and brake the distance between grade leading screw and wheel brake disc meet it is winged
Preset requirement of the machine antiskid brake for hardware system；Under any state, brake grade leading screw and parking grade leading screw is all not present
The case where being in contact simultaneously with wheel brake disc；Under operating mode of braking, brake grade leading screw above pushes away and parking grade leading screw when withdrawing, such as
Any lead screw of fruit reaches its displacement limits upward or downward, then brake weight meets aircraft brake maximum, force；Under parking operating mode, stay
Vehicle grade leading screw above pushes away and when grade leading screw that brakes is withdrawn, if any leading screw reaches its displacement limits upward or downward, parking power
Meet aircraft parking maximum, force.
It should be noted that aforementioned pair can self-locking parking double lead-screw Mechanical type airplane brake control system embodiment solution
Release explanation be also applied for the embodiment can self-locking parking double lead-screw Mechanical type airplane brake control method, it is no longer superfluous herein
It states.
It is proposed according to embodiments of the present invention can self-locking parking double lead-screw Mechanical type airplane brake control method, pass through control
Device processed is adjusted, and brake motor is controlled when aircraft enters braking state and is rotated forward, the control brake electricity when aircraft enters parked state
Machine invert, according to the different operating mode of aircraft carry out brake and parking control and regulation, and parking grade leading screw can self-locking, after power-off i.e.
Parking task can be completed, it is at low cost to effectively improve the reliability of aircraft brake parking control, it is simple easily to realize.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated system or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. it is a kind of can self-locking parking double lead-screw Mechanical type airplane brake control system, which is characterized in that including：
Bidirectional brake motor for forward direction or rotates backward, to generate brake weight；
Intergrade deceleration mechanism, intergrade deceleration mechanism are connected with the bidirectional brake motor, the intergrade speed reducer
Structure is driven by the bidirectional brake motor and is rotated, to amplify the brake weight by deceleration torque, and by the amplified brake
Vehicle power is passed to for braking and the leading screw of parking；
Can not self-locking brake grade leadscrew-nut mechanism, it is described can not self-locking brake grade leadscrew-nut mechanism and the intergrade slow down
Mechanism is connected, for converting the amplified brake weight to brake thrust；
Can self-locking parking grade leadscrew-nut mechanism, it is described can self-locking parking grade leadscrew-nut mechanism with it is described can not self-locking brake grade
Leadscrew-nut mechanism be connected, for it is described can not self-locking brake grade leadscrew-nut mechanism brake grade leading screw direction of motion phase
Instead；
Controller, the controller are connected with the bidirectional brake motor, and the controller is used to enter brake operating mode in aircraft
Or when parking operating mode, controls the bidirectional brake motor and rotate forward to complete target brake task, or the control two-way brake
Vehicle motor reversion with drive it is described can the parking grade leading screw of self-locking parking grade leadscrew-nut mechanism advance so that it is complete after cutting off self-lock
At parking task.
2. it is according to claim 1 can self-locking parking double lead-screw Mechanical type airplane brake control system, which is characterized in that
Further include：
At least one brake stage pressure sensor, at least one brake stage pressure sensor with it is described can not self-locking brake grade
Leadscrew-nut mechanism is connected, with the pressure signal of detection brake；
At least one parking stage pressure sensor, at least one parking stage pressure sensor with it is described can self-locking parking grade silk
Thick stick nut body is connected, to detect the pressure signal of parking.
3. it is according to claim 2 can self-locking parking double lead-screw Mechanical type airplane brake control system, which is characterized in that
The controller is further used for generating control instruction according to the pressure signal of the brake and the pressure signal of the parking, with
It controls the bidirectional brake motor forward direction or rotates backward.
4. it is according to claim 2 can self-locking parking double lead-screw Mechanical type airplane brake control system, which is characterized in that
In the aircraft freedom of entry state, the controller is according to the pressure signal of the parking of the pressure signal of the brake
Bidirectional brake motor respective direction rotation is controlled, until pressure sensor is zeroed, the brake grade leading screw and described is stayed
Vehicle grade leading screw is not to wheel active force.
5. it is according to claim 1 can self-locking parking double lead-screw Mechanical type airplane brake control system, which is characterized in that
The direction of motion of the brake grade leading screw and the parking grade leading screw is opposite always.
6. according to claim 1 or 5 can self-locking parking double lead-screw Mechanical type airplane brake control system, feature exists
In, the relative position between grade leading screw and the parking grade leading screw and wheel brake disc of braking meets preset condition,
In, the preset condition includes：
There are brake motor Shaft angles so that the brake grade leading screw and the parking grade leading screw are not braked simultaneously with the wheel
Disk contacts, and the distance between the brake grade leading screw and the wheel brake disc meet airplane antiskid braking for hardware system
Preset requirement；
Under any state, be all not present the brake grade leading screw and the parking grade leading screw and meanwhile with the wheel brake disc phase
The case where contact；
Under the brake operating mode, the brake grade leading screw above pushes away and when the parking grade leading screw is withdrawn, if any lead screw arrives
Up to its displacement limits upward or downward, then the brake weight meets aircraft brake maximum, force；
Under the parking operating mode, the parking grade leading screw above pushes away and when the brake grade leading screw is withdrawn, if any silk
Thick stick reaches its displacement limits upward or downward, then the parking power meets aircraft parking maximum, force.
7. it is a kind of can self-locking parking double lead-screw Mechanical type airplane brake control method, which is characterized in that include the following steps：
Judge operating mode residing for aircraft, wherein the operating mode includes brake operating mode or parking operating mode；
When aircraft is in brake operating mode, control motor, which rotates forward, generates brake weight to complete target brake task；
When aircraft is in parking operating mode, control motor reversal with drive can self-locking parking grade leadscrew-nut mechanism parking grade silk
Thick stick advances so that parking task is completed after cutting off self-lock.
8. it is according to claim 7 can self-locking parking double lead-screw Mechanical type airplane brake control method, which is characterized in that
Further include：
Detect the pressure signal of the pressure signal and parking of brake；
Control instruction is generated according to the pressure signal of the brake and the pressure signal of the parking, to control bidirectional brake motor
Forward direction rotates backward.
9. it is according to claim 7 can self-locking parking double lead-screw Mechanical type airplane brake control method, which is characterized in that
It is described double according to the pressure signal of the brake and the control of the pressure signal of the parking in the aircraft freedom of entry state
It is rotated to brake motor respective direction, until pressure sensor is zeroed, the brake grade leading screw and the parking grade leading screw are equal
Not to wheel active force.
10. it is according to claim 7 can self-locking parking double lead-screw Mechanical type airplane brake control method, feature exists
In, wherein
There are brake motor Shaft angles so that the brake grade leading screw and the parking grade leading screw are not braked simultaneously with the wheel
Disk contacts, and the distance between the brake grade leading screw and the wheel brake disc meet airplane antiskid braking for hardware system
Preset requirement；
Under any state, be all not present the brake grade leading screw and the parking grade leading screw and meanwhile with the wheel brake disc phase
The case where contact；
Under the brake operating mode, the brake grade leading screw above pushes away and when the parking grade leading screw is withdrawn, if any lead screw arrives
Up to its displacement limits upward or downward, then the brake weight meets aircraft brake maximum, force；
Under the parking operating mode, the parking grade leading screw above pushes away and when the brake grade leading screw is withdrawn, if any silk
Thick stick reaches its displacement limits upward or downward, then the parking power meets aircraft parking maximum, force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810301069.6A CN108394551B (en) | 2018-04-04 | 2018-04-04 | Self-locking parking double-screw mechanical aircraft brake control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810301069.6A CN108394551B (en) | 2018-04-04 | 2018-04-04 | Self-locking parking double-screw mechanical aircraft brake control system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108394551A true CN108394551A (en) | 2018-08-14 |
| CN108394551B CN108394551B (en) | 2023-09-12 |
Family
ID=63099648
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810301069.6A Active CN108394551B (en) | 2018-04-04 | 2018-04-04 | Self-locking parking double-screw mechanical aircraft brake control system and method |
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| Country | Link |
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| CN (1) | CN108394551B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2784266Y (en) * | 2004-08-06 | 2006-05-31 | 沈阳合普铁道科技有限公司 | Anti-glide means for stoppage of railway vehicle |
| US20140166413A1 (en) * | 2011-05-31 | 2014-06-19 | Lucas Automotive Gmbh | Electromechanically Actuable Motor Vehicle Brake with Selective Self-Locking |
| CN104670482A (en) * | 2015-02-05 | 2015-06-03 | 南京航空航天大学 | Electric worm-gear airplane braking system and method for operating braking system |
| CN205632471U (en) * | 2016-04-22 | 2016-10-12 | 宁波格陆博科技有限公司 | Electronic parking braking system with double -piston calliper |
| CN208134603U (en) * | 2018-04-04 | 2018-11-23 | 清华大学 | Can self-locking parking double lead-screw Mechanical type airplane brake control system |
-
2018
- 2018-04-04 CN CN201810301069.6A patent/CN108394551B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2784266Y (en) * | 2004-08-06 | 2006-05-31 | 沈阳合普铁道科技有限公司 | Anti-glide means for stoppage of railway vehicle |
| US20140166413A1 (en) * | 2011-05-31 | 2014-06-19 | Lucas Automotive Gmbh | Electromechanically Actuable Motor Vehicle Brake with Selective Self-Locking |
| CN104670482A (en) * | 2015-02-05 | 2015-06-03 | 南京航空航天大学 | Electric worm-gear airplane braking system and method for operating braking system |
| CN205632471U (en) * | 2016-04-22 | 2016-10-12 | 宁波格陆博科技有限公司 | Electronic parking braking system with double -piston calliper |
| CN208134603U (en) * | 2018-04-04 | 2018-11-23 | 清华大学 | Can self-locking parking double lead-screw Mechanical type airplane brake control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108394551B (en) | 2023-09-12 |
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