CN208673121U - A kind of main jack accuracy-control system of aircraft synchronization of jacking up - Google Patents
A kind of main jack accuracy-control system of aircraft synchronization of jacking up Download PDFInfo
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- CN208673121U CN208673121U CN201821100330.8U CN201821100330U CN208673121U CN 208673121 U CN208673121 U CN 208673121U CN 201821100330 U CN201821100330 U CN 201821100330U CN 208673121 U CN208673121 U CN 208673121U
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Abstract
The utility model discloses a kind of main jack accuracy-control systems of aircraft synchronization of jacking up, further include the PLC controller being electrically connected with each main jack, the control terminal being electrically connected with PLC controller including at least three main jack；Servo-driver is installed on each main jack, the servo-driver is electrically connected with the servo motor of main jack, it is additionally provided with proportioning valve, solenoid valve on the pipeline that servo motor is connected to main jack pressurized strut, is also connected with stay wire sensor between the fastener and pressurized strut of main jack pressurized strut；The servo-driver, proportioning valve, solenoid valve, stay wire sensor are all electrically connected with PLC controller.The utility model greatly alleviates flight crew's labor intensity, shortens Military Aircraft Maintenance and prepare for war the time, improve the economic benefit of civil aircraft using full machine synchronization of jacking up form is automated.
Description
Technical field
The utility model relates to aircraft synchronous maintenance equipment technical field more particularly to a kind of aircraft synchronization of jacking up masters
Jack accuracy-control system.
Background technique
With the flourishing of aircraft industry, airplane ground support equipment type is higher and higher, function and property to equipment
Higher and higher, domestic aircraft can be required to be no longer satisfied requirement with the main jack of synchronization of jacking up.It is existing at present same
Step jacks the problem of main jack electric control system is primarily present several aspects:
A) synchronization accuracy is poor；
B) function having cannot be satisfied with actual needs；
C) poor reliability, tolerance are poor；
D) complicated for operation, poor user experience；
Native land, it is inside and outside urgently develop a kind of high-precision, high reliability, it is easy to operate, can be applied to a variety of use work
The main jack of the synchronization of jacking up of condition.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of aircraft and is accurately controlled with the main jack of synchronization of jacking up is
System.
A kind of main jack accuracy-control system of aircraft synchronization of jacking up of the utility model, adopts the following technical scheme that
A kind of main jack accuracy-control system of aircraft synchronization of jacking up further includes including at least three main jack 1
The PLC controller 2 being electrically connected with each main jack 1, the control terminal 3 being electrically connected with PLC controller 2；Pacify on each main jack 1
Equipped with servo-driver 11, the servo-driver 11 is electrically connected with the servo motor of main jack, in servo motor and main thousand
It is additionally provided with proportioning valve 12, solenoid valve 13 on the pipeline of jin top 1 pressurized strut connection, fastener and actuation in main 1 pressurized strut of jack
Stay wire sensor 14 is also connected between cylinder；The servo-driver 11, proportioning valve 12, solenoid valve 13, stay wire sensor 14 are all
It is electrically connected with PLC controller 2.
It is additionally provided with hand-operated direction valve 15 on the pipeline that servo motor is connected to main 1 pressurized strut of jack, it is described to change manually
It is electrically connected to valve 15 with PLC controller 2.
Be additionally provided with speed governing valve 16 on the pipeline that servo motor is connected to main 1 pressurized strut of jack, the speed governing valve 16 with
PLC controller 2 is electrically connected.
Further, pressure sensor 4 is additionally provided in pressurized strut, the pressure sensor 4 is electrically connected with PLC controller 2
It connects.
Temperature sensor 5, the temperature sensing are additionally provided on the pipeline that servo motor is connected to main 1 pressurized strut of jack
Device 5 is electrically connected with PLC controller 2.
Further, alarm device 6 is additionally provided in control terminal 3, the alarm device 6 is electrically connected with PLC controller 2.
System includes main jack 17 before three main jack 1: the first, main jack 18 before second, rear main jack 19.
The control terminal 3 can be touch screen, hand held controller, laptop, PC etc..
A kind of control method of the main jack accuracy-control system of aircraft synchronization of jacking up, includes the following steps:
(1) by the bulb of the ball-and-socket alignment aircraft on the branch fastener of each main jack 1:
Alignment function is opened in control in control terminal 3, and control terminal 3 sends instructions to PLC controller 2, and PLC controller 2 is controlled
Making the servo controller 11 installed on each main jack 1 drives the servo motor of main jack 1 to operate, to drive the hydraulic pump to be
System provides power source, while PLC controller 2 acquires 4 signal of pressure sensor in pressurized strut, when pressure reaches 1.5MPa simultaneously
3s is kept, then enters position success, PLC controller 2 manipulates the servo motor stopping that servo-driver 11 controls main jack 1；
(2) synchronization of jacking up or decline aircraft:
Synchronization of jacking up or decline function are opened in control in control terminal 3, and the speed of jacking or decline, control terminal is arranged
3 send instructions to PLC controller 2, and the servo-driver 11 of main jack 19 controls servo motor fortune after PLC controller 2 controls
Turn, solenoid valve 13 is opened, to drive hydraulic pump to provide power source for system, after then passing through in the pressurized strut of main jack 19
Stay wire sensor 14 detect after main jack 19 real-time displacement, real-time displacement is fed back into PLC controller 2, is controlled by PLC
The real-time speed of main jack 19 after the resolving of device 2 processed obtains；Then, the speed being arranged on real-time speed and control terminal 3 is carried out
Comparison, 12 aperture of proportioning valve of main jack 19 after reducing if real-time speed is greater than setting speed, otherwise main thousand after increasing
12 aperture of proportioning valve on jin top 19, finally, the jacking of main jack 19 or decrease speed are maintained at the speed of setting after making；
Main jack 19 is used as reference after then, first when being started with synchronization lifting before it is main before main jack 17, second
The absolute displacement of jack 18 and rear main jack 19 is used as synchronous zero point, by leading thousand before main jack 17, second before first
The stay wire displacement sensor 14 installed on jin top 18 acquires the synchronous shift difference of its displacement and rear main jack 19 in real time and feeds back
To PLC controller 2, if the synchronous shift of main jack 18 main jack 19 after being greater than before main jack 17 or the second before preceding first
Proportioning valve 12 of the synchronous shift before then the control of PLC controller 2 reduces first before main jack 17 or the second in main jack 18
Aperture, the proportioning valve 12 before the control of on the contrary then PLC controller 2 increases first before main jack 17 or the second in main jack 18 are opened
Degree, until main jack 19 after the jacking of main jack 18 or decrease speed are maintained at before main jack 17, second before first
Speed；If the displacement difference of the first preceding main preceding main jack 18 of jack 17 or the second and rear main jack 19 is greater than 10mm, PLC
Controller 2 controls alarm device 6 and alarms；
(3) system is finely adjusted:
The main jack of target is set to rise the height of 2mm before fine adjustment function starts for synchronous decline or in other situations, if
Main jack 1 keeps jacking up for a long time the state of aircraft, will appear sedimentation slightly, so as to cause there is lock nut clamping stagnation
Phenomenon, operator is by extremely difficult rotation lock nut, at this point, using fine adjustment function, that is, quick releasable lock nut；
Control terminal 3 sends instructions to PLC controller 2, and PLC controller 2 controls the servo-drive installed in each main jack 1
The servo motor operating of the main jack 1 of target single after driving of device 11, so that hydraulic pump is driven to provide power source for system, then
The real-time displacement of each main jack 1 is detected by the stay wire displacement sensor 14 installed on the main jack 1 of target, and is fed back to
PLC controller 2, PLC controller 2 obtain the real-time speed of the main jack 1 of target by resolving, then, by real-time speed and control
The speed being arranged on end 3 processed compares, and the control of PLC controller 2 reduces target master thousand if real-time speed is greater than setting speed
12 aperture of proportioning valve in jin top 1, the control of on the contrary then PLC controller 2 increase 12 aperture of proportioning valve in the main jack 1 of target,
Finally, the jacking of the main jack 1 of target or decrease speed is made to be maintained at the speed of setting, when the target that PLC controller 2 detects
The top lifting height of main jack 1 is then shut down more than 2mm；
(4) the main jack 1 of separate unit is gone up and down
When needing to carry out main 1 descending operation of jack of separate unit, control opens main 1 liter of jack of separate unit in control terminal 3
Function is dropped, and lifting speed, adjustable height are set, control terminal 3 sends instructions to PLC controller 2, and PLC controller 2 controls target
The servo-driver 11 of main jack 1 controls servo motor operating, and solenoid valve 13 is opened, so that hydraulic pump be driven to provide for system
Power source then detects the real-time displacement of main jack 1 by the stay wire sensor 14 in the pressurized strut of main jack 1, will be real
When Displacement Feedback to PLC controller 2, the real-time speed of main jack 1 is obtained by the resolving of PLC controller 2；It then, will be real-time
The speed being arranged in speed and control terminal 3 compares, and reduces the ratio of main jack 1 if real-time speed is greater than setting speed
12 aperture of valve, 12 aperture of proportioning valve that is on the contrary then increasing main jack 1 finally protect the jacking of main jack 1 or decrease speed
Hold the speed in setting；Meanwhile PLC controller 2, the real-time displacement for the main jack 1 that will test and the setting in control terminal 3
Height compares, and when real-time displacement reaches setting height, then the servo-driver 11 that PLC controller 2 controls main jack 1 is controlled
Servo motor stalling processed；
(5) main jack 1 is manually operated to go up and down
When the failure of stay wire displacement sensor 14, manual operation function can star；
Control, which is opened, in control terminal 3 is manually operated main 1 elevating function of jack, and control terminal 3 sends instructions to PLC control
Device 2, the servo-driver 11 of main jack 19 controls servo motor operating after PLC controller 2 controls, and solenoid valve 13 is opened, from
And hydraulic pump is driven to provide power source for system, it then operates hand-operated direction valve 15 and speed governing valve 16, main jack 1 is begun to ramp up
Or decline, when main jack 1 reaches suitable height, user controls in control terminal 3, and PLC controller 2 controls main jack
1 servo-driver 11 controls servo motor stalling, system-down；
(2) fault alarm
When the numerical value that PLC controller 2 monitors that temperature sensor 5, pressure sensor 4, stay wire sensor 14 are fed back exceeds
The nominal threshold value of setting, control alarm device 6 issue alarm.
Compared with the relevant technologies, the utility model is had the following technical effect that
(1) using full machine synchronization of jacking up form is automated, flight crew's labor intensity is greatly alleviated, is shortened military
The time is prepared for war in aircraft maintenance, improves the economic benefit of civil aircraft；
(2) synchronous control accuracy is lower than 5mm, and the synchronous jack-up of full machine of aircraft has been effectively ensured, has avoided because of each vertex not
It synchronizes and aircraft is caused to jack up inclination and interior of aircraft generation internal stress；
(3) there are multiple functions, cover all applying working conditions of jack；
(4) have superpressure, transfinite, be overproof, oil temperature is high, low with the liquid level warning function of overload, system safety with higher
Property；
(5) there are two types of powering modes for tool, can be used the civilian electricity of 220V can in the power free situation in outfield in hangar
Directly using the 28V direct current on supply vehicle；
(6) redundance designs, and can jack up aircraft under various faults, has relatively high fault-tolerance and reliability.
Detailed description of the invention
Fig. 1 is the system block diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the alignment function flow diagram of the utility model；
Fig. 4 is the synchronization of jacking up functional sequence schematic diagram of the utility model；
Fig. 5 is the fine adjustment function flow diagram of the utility model；
Fig. 6 is the separate unit jack elevating function flow diagram of the utility model；
Fig. 7 is the manual operation jack elevating function flow diagram of the utility model；
Specific embodiment
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
As shown in Figure 1, 2, the main jack accuracy-control system of a kind of aircraft synchronization of jacking up of the utility model, including extremely
Few three main jack 1, further include the PLC controller 2 being electrically connected with each main jack 1, are electrically connected with PLC controller 2
Control terminal 3；Servo-driver 11, the servo electricity of the servo-driver 11 and main jack are installed on each main jack 1
Mechatronics are additionally provided with proportioning valve 12, solenoid valve 13 on the pipeline that servo motor is connected to main 1 pressurized strut of jack, in master
Stay wire sensor 14 is also connected between the fastener and pressurized strut of 1 pressurized strut of jack；The servo-driver 11, proportioning valve
12, solenoid valve 13, stay wire sensor 14 are all electrically connected with PLC controller 2.
Embodiment 1
As shown in Figure 1, in the present embodiment, be additionally provided with pressure sensor 4 in pressurized strut, the pressure sensor 4 with
PLC controller 2 is electrically connected；Temperature sensor 5, institute are additionally provided on the pipeline that servo motor is connected to main 1 pressurized strut of jack
Temperature sensor 5 is stated to be electrically connected with PLC controller 2.
The control terminal 3 can be touch screen, hand held controller, laptop, PC etc..
Alarm device 6 is additionally provided in control terminal 3, the alarm device 6 is electrically connected with PLC controller 2.
The system of the utility model includes main jack 17 before three main jack 1: the first, main jack 18 before second,
Main jack 19 afterwards.
The system of the present embodiment has the function of as follows:
(1) alignment function of the ball-and-socket on the branch fastener of each main jack 1 and quasi- aircraft bulb:
As shown in figure 3, alignment function is opened in control in control terminal 3, control terminal 3 sends instructions to PLC controller 2, PLC
Controller 2 controls the servo controller 11 installed on each main jack 1 and the servo motor of main jack 1 is driven to operate, to drive
Hydrodynamic press pump provides power source for system, while PLC controller 2 acquires 4 signal of pressure sensor in pressurized strut, when pressure reaches
To 1.5MPa and 3s is kept, then enters position success, PLC controller 2 manipulates the servo motor that servo-driver 11 controls main jack 1
Stop；
(2) synchronization of jacking up or decline function:
As shown in figure 4, synchronization of jacking up or decline function are opened in control in control terminal 3, and jacking or decline are set
Speed, control terminal 3 send instructions to PLC controller 2, and the servo-driver 11 of main jack 19 controls after PLC controller 2 controls
Servo motor operating, solenoid valve 13 is opened, so that hydraulic pump is driven to provide power source for system, main jack 19 after then passing through
Pressurized strut on stay wire sensor 14 detect after main jack 19 real-time displacement, real-time displacement is fed back into PLC controller
2, the real-time speed of main jack 19 after obtaining is resolved by PLC controller 2；Then, will be arranged on real-time speed and control terminal 3
Speed compare, if real-time speed be greater than setting speed if reduce after main jack 19 12 aperture of proportioning valve, otherwise
12 aperture of proportioning valve of main jack 19 after increase, finally, the jacking of main jack 19 or decrease speed are maintained at setting after making
Speed；
Main jack 19 is used as reference after then, first when being started with synchronization lifting before it is main before main jack 17, second
The absolute displacement of jack 18 and rear main jack 19 is used as synchronous zero point, by leading thousand before main jack 17, second before first
The stay wire displacement sensor 14 installed on jin top 18 acquires the synchronous shift difference of its displacement and rear main jack 19 in real time and feeds back
To PLC controller 2, if the synchronous shift of main jack 18 main jack 19 after being greater than before main jack 17 or the second before preceding first
Proportioning valve 12 of the synchronous shift before then the control of PLC controller 2 reduces first before main jack 17 or the second in main jack 18
Aperture, the proportioning valve 12 before the control of on the contrary then PLC controller 2 increases first before main jack 17 or the second in main jack 18 are opened
Degree, until main jack 19 after the jacking of main jack 18 or decrease speed are maintained at before main jack 17, second before first
Speed；If the displacement difference of the first preceding main preceding main jack 18 of jack 17 or the second and rear main jack 19 is greater than 10mm, PLC
Controller 2 controls alarm device 6 and alarms；
(3) fine adjustment function:
As shown in figure 5, making the main jack of target rise 2mm before fine adjustment function starts for synchronous decline or in other situations
Height, if main jack 1 for a long time keep jack up aircraft state, will appear sedimentation slightly, so as to cause insuring
The phenomenon that nut clamping stagnation, operator is by extremely difficult rotation lock nut, at this point, insuring spiral shell using fine adjustment function, that is, quick releasable
It is female；
Control terminal 3 sends instructions to PLC controller 2, and PLC controller 2 controls the servo-drive installed in each main jack 1
The servo motor operating of the main jack 1 of target single after driving of device 11, so that hydraulic pump is driven to provide power source for system, then
The real-time displacement of each main jack 1 is detected by the stay wire displacement sensor 14 installed on the main jack 1 of target, and is fed back to
PLC controller 2, PLC controller 2 obtain the real-time speed of the main jack 1 of target by resolving, then, by real-time speed and control
The speed being arranged on end 3 processed compares, and the control of PLC controller 2 reduces target master thousand if real-time speed is greater than setting speed
12 aperture of proportioning valve in jin top 1, the control of on the contrary then PLC controller 2 increase 12 aperture of proportioning valve in the main jack 1 of target,
Finally, the jacking of the main jack 1 of target or decrease speed is made to be maintained at the speed of setting, when the target that PLC controller 2 detects
The top lifting height of main jack 1 is then shut down more than 2mm；
(4) main 1 elevating function of jack of separate unit:
As shown in fig. 6, separate unit master is opened in control in control terminal 3 when needing to carry out main 1 descending operation of jack of separate unit
1 elevating function of jack, and lifting speed, adjustable height are set, control terminal 3 sends instructions to PLC controller 2, PLC controller
The servo-driver 11 of the 2 control main jack 1 of target controls servo motor operating, and solenoid valve 13 is opened, to drive hydraulic pump
Power source is provided for system, the real-time of main jack 1 is then detected by the stay wire sensor 14 in the pressurized strut of main jack 1
Displacement, feeds back to PLC controller 2 for real-time displacement, obtains the real-time speed of main jack 1 by the resolving of PLC controller 2；So
Afterwards, the speed being arranged on real-time speed and control terminal 3 is compared, it is very heavy to reduce master if real-time speed is greater than setting speed
Top 1 12 aperture of proportioning valve, 12 aperture of proportioning valve that is on the contrary then increasing main jack 1, finally, make main jack 1 jacking or
Decrease speed is maintained at the speed of setting；Meanwhile PLC controller 2, the real-time displacement for the main jack 1 that will test and control
Setting height on end 3 compares, and when real-time displacement reaches setting height, then PLC controller 2 controls watching for main jack 1
It takes driver 11 and controls servo motor stalling；
(5) fault alarm function:
When the numerical value that PLC controller 2 monitors that temperature sensor 5, pressure sensor 4, stay wire sensor 14 are fed back exceeds
The nominal threshold value of setting, control alarm device 6 issue alarm.
Embodiment 2
As shown in Figure 1, the preferred embodiment as above-described embodiment, in the present embodiment, very heavy in servo motor and master
It pushes up and is additionally provided with hand-operated direction valve 15 on the pipeline of 1 pressurized strut connection, the hand-operated direction valve 15 is electrically connected with PLC controller 2.
The control terminal 3 can be touch screen, hand held controller, laptop, PC etc..
Be additionally provided with speed governing valve 16 on the pipeline that servo motor is connected to main 1 pressurized strut of jack, the speed governing valve 16 with
PLC controller 2 is electrically connected.
System includes main jack 17 before three main jack 1: the first, main jack 18 before second, rear main jack 19.
Pressure sensor 4 is additionally provided in pressurized strut, the pressure sensor 4 is electrically connected with PLC controller 2；In servo
Temperature sensor 5, the temperature sensor 5 and PLC controller are additionally provided on the pipeline that motor is connected to main 1 pressurized strut of jack
2 electrical connections；Alarm device 6 is additionally provided in control terminal 3, the alarm device 6 is electrically connected with PLC controller 2.
Unlike the embodiments above, the present embodiment also has following function:
Main 1 elevating function of jack is manually operated:
As shown in fig. 7, can star manual operation function when stay wire displacement sensor 14 breaks down；
Control, which is opened, in control terminal 3 is manually operated main 1 elevating function of jack, and control terminal 3 sends instructions to PLC control
Device 2, the servo-driver 11 of main jack 19 controls servo motor operating after PLC controller 2 controls, and solenoid valve 13 is opened, from
And hydraulic pump is driven to provide power source for system, it then operates hand-operated direction valve 15 and speed governing valve 16, main jack 1 is begun to ramp up
Or decline, when main jack 1 reaches suitable height, user controls in control terminal 3, and PLC controller 2 controls main jack
1 servo-driver 11 controls servo motor stalling, system-down.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of main jack accuracy-control system of aircraft synchronization of jacking up, including at least three main jack (1), feature
It is: further includes the PLC controller (2) being electrically connected with each main jack (1), the control terminal being electrically connected with PLC controller (2)
(3)；It is equipped with servo-driver (11) on each main jack (1), the servo of servo-driver (11) and main jack
Motor electrical connection, is additionally provided with proportioning valve (12), solenoid valve on the pipeline that servo motor is connected to main jack (1) pressurized strut
(13), it is also connected between the fastener and pressurized strut of main jack (1) pressurized strut stay wire sensor (14)；The servo-drive
Device (11), proportioning valve (12), solenoid valve (13), stay wire sensor (14) are all electrically connected with PLC controller (2).
2. a kind of main jack accuracy-control system of aircraft synchronization of jacking up as described in claim 1, it is characterised in that: watching
It takes and is additionally provided with hand-operated direction valve (15) on the pipeline that motor is connected to main jack (1) pressurized strut, the hand-operated direction valve (15)
It is electrically connected with PLC controller (2).
3. a kind of main jack accuracy-control system of aircraft synchronization of jacking up as described in claim 1, it is characterised in that: watching
It takes and is additionally provided with speed governing valve (16) on the pipeline that motor is connected to main jack (1) pressurized strut, the speed governing valve (16) and PLC are controlled
Device (2) electrical connection.
4. the main jack accuracy-control system of a kind of aircraft synchronization of jacking up a method according to any one of claims 1-3, feature exist
In: it is additionally provided in pressurized strut pressure sensor (4), the pressure sensor (4) is electrically connected with PLC controller (2).
5. a kind of main jack accuracy-control system of aircraft synchronization of jacking up as claimed in claim 4, it is characterised in that: watching
Take and be additionally provided with temperature sensor (5) on the pipeline that motor is connected to main jack (1) pressurized strut, the temperature sensor (5) with
PLC controller (2) electrical connection.
6. claim 1-3,5 it is any as described in a kind of main jack accuracy-control system of aircraft synchronization of jacking up, feature
It is: is additionally provided on control terminal (3) alarm device (6), the alarm device (6) is electrically connected with PLC controller (2).
7. a kind of main jack accuracy-control system of aircraft synchronization of jacking up as claimed in claim 6, it is characterised in that: system
Including three main jack (1): main jack (17) before first, main jack (18) before second, rear main jack (19).
8. a kind of main jack accuracy-control system of aircraft synchronization of jacking up as described in claim 1, it is characterised in that: described
Control terminal (3) can be touch screen, hand held controller, laptop, PC.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100330.8U CN208673121U (en) | 2018-07-12 | 2018-07-12 | A kind of main jack accuracy-control system of aircraft synchronization of jacking up |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100330.8U CN208673121U (en) | 2018-07-12 | 2018-07-12 | A kind of main jack accuracy-control system of aircraft synchronization of jacking up |
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| CN208673121U true CN208673121U (en) | 2019-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681306A (en) * | 2018-07-12 | 2018-10-19 | 西安飞豹科技有限公司 | A kind of main jack accuracy-control system of aircraft synchronization of jacking up and control method |
-
2018
- 2018-07-12 CN CN201821100330.8U patent/CN208673121U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681306A (en) * | 2018-07-12 | 2018-10-19 | 西安飞豹科技有限公司 | A kind of main jack accuracy-control system of aircraft synchronization of jacking up and control method |
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