CN109026436A - It is counter to push away acting device and turbojet nacelle - Google Patents
It is counter to push away acting device and turbojet nacelle Download PDFInfo
- Publication number
- CN109026436A CN109026436A CN201810961715.1A CN201810961715A CN109026436A CN 109026436 A CN109026436 A CN 109026436A CN 201810961715 A CN201810961715 A CN 201810961715A CN 109026436 A CN109026436 A CN 109026436A
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- Prior art keywords
- motor
- torque
- ball
- counter
- acting device
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/54—Nozzles having means for reversing jet thrust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/54—Nozzles having means for reversing jet thrust
- F02K1/76—Control or regulation of thrust reversers
- F02K1/763—Control or regulation of thrust reversers with actuating systems or actuating devices; Arrangement of actuators for thrust reversers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Anti- acting device and turbojet nacelle are pushed away the invention discloses a kind of.It is of the invention it is counter push away acting device and include one counter push away cover, one motor and several ball-screw actuator, the nut of ball-screw actuator is respectively fixedly connected with to the anti-several interconnecting pieces pushed away on the inside of cover, lead screw is connected to the output shaft of motor via mechanical flexible axle respectively or each group ball-screw actuator passes through a mechanical flexible axle series connection respectively and mechanical flexible axle is connected to motor output shaft, the torque of the exportable forward and reverse of motor, mechanical flexible axle is configured to the torque transfer of motor output to lead screw to drive nut to move synchronously in same direction, the direction of motion of nut is perpendicular to the anti-circumferencial direction for pushing away cover.It is of the invention it is counter push away acting device and turbojet nacelle, can effectively solve the problems, such as counter two pushed away in actuating system the motor of electricity in the prior art and two controllers control respectively caused by movement it is asynchronous, and structure is simpler, weight saving.
Description
Technical field
Actuating system is pushed away the present invention relates to aircraft is counter, more particularly to a kind of counter pushes away acting device and turbojet is short
Cabin.
Background technique
Thrust reverser is the important deceleration device of civil aircraft, is mounted on turbojet nacelle, by anti-
Pushing away the movement that actuating system drives integral inverted to push away cover deflects associated components, so that engine exhaust direction of turning back, subtracts for aircraft
Speed.
Civil aircraft thrust reverser is all equipped with a set of hydraulic actuation system substantially, provides high pressure liquid by plane hydraulic system
Potential source, the anti-hydraulic control valve pushed away in actuating system provide the functions such as hydraulic isolation, direction controlling, the anti-liquid pushed away in actuating system
Pressure pressurized strut pushes integral inverted to push away cover movement.Hydraulic pressure reverse pushing actuating system technology maturation, but when environment temperature is lower than -15 DEG C,
The viscosity of hydraulic oil increases the service performance that will affect hydraulic actuation thrust reverser, causes hydraulic actuation thrust reverser actuation
Slowly, it is elongated to be unfolded/pack up the time, while there are oil leak hidden danger for hydraulic pressure reverse pushing actuating system, increase the anti-actuating system that pushes away and safeguard
Workload.
For this purpose, such as patent of invention ZL200310102789.3 " turbojet with the displacement of SERVO CONTROL door
Electromechanical thrust reverser " and " the turbojet machine with sync-lock equipment of patent of invention ZL 200310102790.6
Electric thrust reverser " discloses electromechanical thrust reverser, can also realize without using hydraulic system and counter push away actuation.It is this kind of counter to push away
Power device includes two fan doors, and every fan door can be by an at least respective control brake at one of the thrust reverser
It is shifted between open position and a closed position, further includes two motors, every motor is that the driving of every fan door is above-mentioned at least
One control brake, every motor are controlled with an electronic control unit for being connected to Full Authority Digital engine controller, and
Two Servocontrol devices, they be used to control according to the function of determining reference by location value in above-mentioned door those of corresponding
The displacement of door.Above-mentioned Servocontrol device can make those described above door according to any variation for the power for being applied to the thrust reverser
Function and according to this two fan door between any power difference function and be synchronized to shift.
The anti-actuating system that pushes away of above-mentioned existing electricity needs two motors and two Servocontrol devices to respectively drive two fan doors
On control driver, and be to guarantee that the movement of two fan doors is synchronous, two motor controllers need complicated difference arithmetics
Guarantee the power output on two fan doors.Therefore, have the following deficiencies: that 1, two motor and two the counter of controllers composition push away actuation
System needs to coordinate two motors and the movement of two controllers is synchronous, and configuration is complicated, weight is larger；2, two fan doors are by two electricity
Machine and the control brake of two controllers driving move, although take more complicated algorithm to guarantee the fortune of two fan doors
It is dynamic to synchronize, but there are still move nonsynchronous risk caused by two motor power outputs differences.
To sum up, need that a kind of new electricity is counter to push away actuating system.
Summary of the invention
The technical problem to be solved by the present invention is to there is the anti-fortune for pushing away actuation to overcome existing electricity is counter to push away actuating system
The defect that dynamic synchronism is unable to get guarantee and system configuration is excessively complicated proposes that one kind is counter and pushes away acting device and turbojet hair
Motivation nacelle.
The present invention is to solve above-mentioned technical problem by following technical proposals:
The present invention provides it is a kind of it is counter push away acting device, it is characterized in that comprising one substantially cylindrical counter to push away
Cover, a motor and several ball-screw actuator, the ball-screw actuator includes nut and lead screw, wherein the nut
It is respectively fixedly connected with to the anti-several interconnecting pieces pushed away on the inside of cover, the lead screw of the ball-screw actuator is respectively via machinery
Flexible axle be connected to the output shaft of the motor or the ball-screw actuator include two groups of ball-screw actuator, it is wherein every
The lead screw of one group of ball-screw actuator passes through a mechanical flexible axle series connection respectively and one end of the mechanical flexible axle is connected to institute
The output shaft of motor, the torque of the exportable forward and reverse of motor are stated, the machinery flexible axle is configured to the motor is defeated
Torque transfer out drives the nut to move synchronously in same direction to the lead screw, the direction of motion of the nut
Perpendicular to the anti-circumferencial direction for pushing away cover.
Preferably, the anti-acting device that pushes away further includes a controller, the controller is configured to according to control instruction
Closed-loop control is carried out to the output of the motor.
Preferably, the motor is provided with torque sensor, the torque sensor is used to measure the motor output
Torque and by the torque feedback measured to the controller, the controller is configured to reach preset first in the torque of feedback
The motor is controlled when torque threshold stops actuation.
Preferably, the motor is provided with torque sensor, the torque sensor is used to measure the motor output
Torque and by the torque feedback measured to the controller, the controller is configured to reach preset first in the torque of feedback
The motor pause actuation is controlled when torque threshold；Then the controller controls motor actuation again, feedback torque again
It is secondary to control the motor when reaching preset first torque threshold and stop actuation.
Preferably, the anti-acting device that pushes away further includes AC power source, the AC power source is institute via the controller
Motor power supply is stated, the controller controls the motor by way of disconnecting power supply circuit and stops actuation or pause actuation.
Preferably, the ball-screw actuator and the interconnecting piece are uniformly distributed along the anti-circumferencial direction for pushing away cover.
Preferably, the ball-screw actuator and the quantity of the interconnecting piece are even number.
Preferably, the ball-screw actuator and the quantity of the interconnecting piece are 4.
The present invention also provides a kind of turbojet nacelles of aircraft comprising counter as described above to push away actuation dress
It sets.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that:
It is of the invention it is counter push away acting device and turbojet nacelle, can effectively solve that electricity in the prior art is counter to be pushed away
Two motors and two controllers in actuating system control the caused asynchronous problem of movement respectively, and counter push away actuation dress
The configuration set is simpler, weight saving.
Detailed description of the invention
Fig. 1 is a preferred embodiment of the present invention the anti-schematic diagram for pushing away acting device.
Specific embodiment
With reference to the accompanying drawings of the specification, further the preferred embodiment of the present invention is described in detail, description below
To be illustrative, not limitation of the present invention, any other similar situation are still fallen among protection scope of the present invention.
In specific descriptions below, the term of directionality, such as "left", "right", "upper", "lower", "front", "rear", etc.,
The direction with reference to described in attached drawing uses.The component of the embodiment of the present invention can be placed in a variety of different directions, directionality
Term is for illustrative purposes and not restrictive.
Refering to what is shown in Fig. 1, the anti-acting device that pushes away of better embodiment according to the present invention includes one substantially in cylinder
The counter of shape pushes away 1, motor 2 of cover and four ball-screw actuator 3, the nut (not shown) difference of ball-screw actuator 3
Counter four interconnecting pieces 11 for pushing away 1 inside of cover are fixedly attached to (it should be understood that being only to illustrate in figure, interconnecting piece 11 can actually be located completely
1 inside of cover is pushed away in counter, thus invisible from outside).Ball-screw actuator 3 includes two groups (i.e. two groups of left and right in Fig. 1), each
The lead screw of two ball-screw actuator 3 of group passes through a mechanical flexible axle 4 respectively and connects, and two mechanical flexible axles 4 are distinguished
There is one end to be connected to the output shaft of motor 2., the torque of the exportable forward and reverse of motor 2, mechanical flexible axle 4 is configured to motor 2
The torque transfer of output drives nut to move synchronously in same direction to lead screw, and the direction of motion of nut is pushed away perpendicular to counter
The circumferencial direction of cover 1.As shown, ball-screw actuator 3 and interconnecting piece 11 are uniformly distributed along the anti-circumferencial direction for pushing away cover 1.
Motor 2 provides the power source of movement for the entire anti-acting device that pushes away.Make since mechanical flexible axle 4 is connected on ball-screw
Between dynamic device 3 and the output shaft of motor 2, the driving force of motor 2 is passed into ball-screw actuator 3, passes through mechanical flexible axle
The movement for being driven to guarantee the removable side of each ball-screw actuator 3 is synchronous, that is, counter 11 quilt of interconnecting piece for pushing away 1 inside of cover
The length direction with essentially identical speed along ball-screw actuator 3 is driven to move, to be able to smoothly drive very much anti-
It is mobile from open position to closed position to push away cover 1, or moves in turn.Along the ball wire of the anti-circumferential directions for pushing away cover 1
Thick stick actuator 3 and interconnecting piece 11 then make it is counter push away that 1 stress of cover is more balanced, thus the stability moved is further ensured.
Meanwhile this Synchronous motion control mode, the entire anti-configuration for pushing away acting device is also simplified, its weight is alleviated.
It should be understood that the quantity of ball-screw actuator 3 and interconnecting piece 11 in above embodiment is only to lift
Example explanation can also use the configuration mode of other quantity completely in carrying out the present invention, but in view of the anti-stress for pushing away cover 1 is equal
Weighing apparatus, the ball-screw actuator 3 being arranged to pair, that is, the quantity and position of two groups of ball-screw actuator 3 are symmetrical,
It is preferable.
Different from above-mentioned better embodiment of the invention, the counter of other better embodiments according to the present invention pushes away work
Dynamic device, the lead screw of each ball-screw actuator 3 are connected to the output of the motor 2 via corresponding mechanical flexible axle 4 respectively
Axis, and no longer by the multiple ball-screw actuator 3 of single mechanical flexible axle series connection.As a result, to the drive of each ball-screw actuator 3
It is dynamic to carry out independently of each other, and the movement that the removable side of each ball-screw actuator 3 is completely secured is synchronous, that is, it is counter to push away
The interconnecting piece 11 of 1 inside of cover is actuated to identical speed and moves along the length direction of ball-screw actuator 3.Also,
If single ball-screw actuator 3 breaks down, the normal operation of other ball-screw actuator 3 will not be generated completely
Any adverse effect.
Some preferred embodiments according to the present invention, the anti-acting device that pushes away further includes a controller 5, and controller 5 is matched
It is set to the output to motor 2 and carries out closed-loop control.
Controller 5 can receive the three-phase alternating current from aircraft, (counter to push away open instructions according to the control instruction from aircraft
Instruction is packed up with counter push away) closed-loop control is carried out to the movement of motor 2, that is, it can be according to the operating parameters or output that motor 2 is fed back
Level of torque provides different control instructions.
Some preferred embodiments according to the present invention, motor 2 are provided with torque sensor, and torque sensor is for measuring
Motor 2 export torque and by the torque feedback measured to controller 5, controller 5 is configured to reach default in the torque of feedback
The first torque threshold when control motor 2 stop actuation.In alternative some embodiments, controller 5 be can be configured to
Control motor 2 suspends actuation when the torque of feedback reaches preset first torque threshold.Here, " pause actuation " is it is meant that horse
It is only to stop actuation within a bit of time such as several seconds up to 2, just restores to run well or restore pause later again
Preceding operating condition.
According to above embodiment, when ball-screw actuator 3 is in the case where synchronous actuation, if one of ball
Lead screw actuator 3 occur jamming failure when, the output torque of motor 2 will because the ball-screw actuator 3 card resistance due to can not be just
It often moves and becomes larger.Therefore, by presetting the first torque threshold appropriate, then reaching the first torque when measuring output torque
It indicates that output torque is excessive when threshold value, illustrates have ball-screw actuator 3 that jamming failure occurs.Under this situation, control
Device 5 processed controls motor 2 and stops actuation, and ball-screw actuator 3 itself has anti-reverse lock function, will not carry because of outside
The variation of lotus and cause integral inverted to push away cover 1 and undesirable movement occur.Motor 2 can be avoided when jamming failure occurs as a result,
Still the ball-screw actuator 3 of driving malfunction by force, and damage.Optionally, after suspending several seconds, controller 5 is controllable
The actuation again of motor 2 processed, the jamming failure of ball-screw actuator 3 is possible to be released at this time.
Follower model is voluntarily converted in acting device in actuator card resistance compared to traditional counter push away, of the invention is upper
The control model for stating preferred embodiment can better solve that movement between actuator is asynchronous and power dispute problem, it is ensured that anti-
Thrust device still is able to more be smoothly moved.In addition, the anti-shape for pushing away cover 1 is basically cylindrical, but it is used for admittedly because having
Dingan County is filled to the mounting portion 12 of the dependency structure on aircraft, thus its shape do not constitute it is entirely cylindrical or cylindric.
Some further preferred embodiments according to the present invention reach the first torque threshold when measuring output torque
Situation recur in a short time twice perhaps repeatedly when the anti-acting device that pushes away can also be by alarm device or display
Alarm is issued, to remind aircraft crew member to pay attention to.
Some further preferred embodiments according to the present invention, the anti-acting device that pushes away further includes AC power source, exchange
Power supply is the power supply of motor 2 via controller 5, and controller 5 controls motor 2 by way of disconnecting power supply circuit and stops actuation or temporary
Stop actuation.
Some embodiments of the present invention, which additionally provide, is disposed with the anti-turbojet for pushing away acting device as above
Nacelle.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (9)
1. anti-acting device is pushed away a kind of, which is characterized in that it includes one and counter pushes away cover (1), a motor (2) and several ball wires
Thick stick actuator (3), the ball-screw actuator (3) includes nut and lead screw, wherein the nut is respectively fixedly connected with to institute
The anti-several interconnecting pieces (11) pushed away on the inside of cover (1) are stated, the lead screw of the ball-screw actuator (3) is respectively via mechanical flexible axle
(4) output shaft or the ball-screw actuator (3) for being connected to the motor (2) include two groups of ball-screw actuator
(3), wherein the lead screw of each group of ball-screw actuator (3) passes through mechanical flexible axle (4) series connection respectively and the machinery is soft
One end of axis (4) is connected to the output shaft of the motor (2), the torque of the exportable forward and reverse of the motor (2), the machine
Tool flexible axle (4) is configured to the torque transfer of the motor (2) output to the lead screw to drive the nut along identical
Direction moves synchronously, and the direction of motion of the nut is perpendicular to the anti-circumferencial direction for pushing away cover (1).
2. counter as described in claim 1 push away acting device, which is characterized in that the anti-acting device that pushes away further includes a control
Device (5), the controller (5) are configured to carry out closed-loop control to the output of the motor (2) according to control instruction.
3. counter as claimed in claim 2 push away acting device, which is characterized in that the motor (2) is provided with torque sensor, institute
Torque sensor is stated for measuring the torque of the motor (2) output and by the torque feedback measured to the controller (5), institute
Controller (5) is stated to be configured to control the motor (2) stopping actuation when the torque of feedback reaches preset first torque threshold.
4. counter as claimed in claim 2 push away acting device, which is characterized in that the motor (2) is provided with torque sensor, institute
Torque sensor is stated for measuring the torque of the motor (2) output and by the torque feedback measured to the controller (5), institute
Controller (5) is stated to be configured to control the motor (2) pause actuation when the torque of feedback reaches preset first torque threshold；
Then the controller (5) controls motor actuation again, reaches preset first torque threshold time control again in the torque of feedback
It makes the motor and stops actuation.
5. as described in claim 3 or 4 counter pushes away acting device, which is characterized in that the anti-acting device that pushes away further includes exchange
Power supply, the AC power source are the motor (2) power supply via the controller (5), and the controller (5) is by disconnecting power supply
The mode of circuit controls the motor (2) and stops actuation or pause actuation.
6. counter as described in claim 1 push away acting device, which is characterized in that the ball-screw actuator (3) and the company
Socket part (11) is uniformly distributed along the anti-circumferencial direction for pushing away cover (1).
7. counter as claimed in claim 6 push away acting device, which is characterized in that the ball-screw actuator (3) and the company
The quantity of socket part (11) is even number.
8. counter as claimed in claim 6 push away acting device, which is characterized in that the ball-screw actuator (3) and the company
The quantity of socket part (11) is four.
9. a kind of turbojet nacelle of aircraft, which is characterized in that it includes such as any one of claim 1-8 institute
That states counter pushes away acting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961715.1A CN109026436A (en) | 2018-08-22 | 2018-08-22 | It is counter to push away acting device and turbojet nacelle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961715.1A CN109026436A (en) | 2018-08-22 | 2018-08-22 | It is counter to push away acting device and turbojet nacelle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109026436A true CN109026436A (en) | 2018-12-18 |
Family
ID=64627969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810961715.1A Pending CN109026436A (en) | 2018-08-22 | 2018-08-22 | It is counter to push away acting device and turbojet nacelle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109026436A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113602507A (en) * | 2021-08-26 | 2021-11-05 | 中国商用飞机有限责任公司 | Automatic reverse-thrust control system and method |
| CN114313302A (en) * | 2021-12-23 | 2022-04-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | High-reliability aero-engine power outer cover opening actuating system and method |
| CN114590396A (en) * | 2022-03-14 | 2022-06-07 | 中国商用飞机有限责任公司 | Actuation control method of reverse-thrust actuation device |
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| US20080229851A1 (en) * | 2007-03-20 | 2008-09-25 | Goodrich Actuation Systems Limited | Actuator Arrangement |
| CN101784781A (en) * | 2007-08-20 | 2010-07-21 | 埃尔塞乐公司 | Thrust reverser with a system for braking the actuators |
| CN102933828A (en) * | 2010-04-20 | 2013-02-13 | 埃尔塞乐公司 | Nacelle for an aircraft engine with variable cross-section nozzle |
| CN103492696A (en) * | 2011-04-14 | 2014-01-01 | 埃尔塞乐公司 | Thrust reverser for an aircraft jet engine |
| CN107076052A (en) * | 2014-11-06 | 2017-08-18 | 赛峰电子与防务公司 | The system of removable frame including the thrust reverser of this system and jet engine for the thrust reverser that activates aircraft |
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- 2018-08-22 CN CN201810961715.1A patent/CN109026436A/en active Pending
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|---|---|---|---|---|
| US20080229851A1 (en) * | 2007-03-20 | 2008-09-25 | Goodrich Actuation Systems Limited | Actuator Arrangement |
| CN101784781A (en) * | 2007-08-20 | 2010-07-21 | 埃尔塞乐公司 | Thrust reverser with a system for braking the actuators |
| CN102933828A (en) * | 2010-04-20 | 2013-02-13 | 埃尔塞乐公司 | Nacelle for an aircraft engine with variable cross-section nozzle |
| CN103492696A (en) * | 2011-04-14 | 2014-01-01 | 埃尔塞乐公司 | Thrust reverser for an aircraft jet engine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113602507A (en) * | 2021-08-26 | 2021-11-05 | 中国商用飞机有限责任公司 | Automatic reverse-thrust control system and method |
| CN113602507B (en) * | 2021-08-26 | 2022-08-02 | 中国商用飞机有限责任公司 | Automatic reverse control system and method |
| CN114313302A (en) * | 2021-12-23 | 2022-04-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | High-reliability aero-engine power outer cover opening actuating system and method |
| CN114313302B (en) * | 2021-12-23 | 2023-12-08 | 中国航空工业集团公司金城南京机电液压工程研究中心 | High-reliability aeroengine power housing opening actuation system and method |
| CN114590396A (en) * | 2022-03-14 | 2022-06-07 | 中国商用飞机有限责任公司 | Actuation control method of reverse-thrust actuation device |
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Application publication date: 20181218 |