CN208500213U - A kind of aircraft jack high-precise synchronization lift control system - Google Patents
A kind of aircraft jack high-precise synchronization lift control system Download PDFInfo
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- CN208500213U CN208500213U CN201821100289.4U CN201821100289U CN208500213U CN 208500213 U CN208500213 U CN 208500213U CN 201821100289 U CN201821100289 U CN 201821100289U CN 208500213 U CN208500213 U CN 208500213U
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Abstract
The utility model discloses a kind of aircraft jack high-precise synchronization lift control systems, further include the control device being electrically connected with each hydraulic jack including at least three hydraulic jack；The hydraulic jack is made of the rear main jack (2) of at least one, at least two preceding main jack (3), is all equipped with the displacement of detection the jacked up branch fastener (5) of hydraulic jack on hydraulic actuator (4) thereon, is jacked up the measuring device (6) of speed；Servo valve is all equipped with after described in the electric hydraulic pump of main jack (2), preceding main jack (3)；The control device is electrical cabinet (1), which is provided with the touch screen (11) of operation display interface, input lifting parameter, interior to be equipped with memory module (12), processing module (13).The control system of the utility model is greatly reduced that the synchronous shift during aircraft synchronization lifting is poor, and overall process displacement difference is no more than 5mm, improves the safety of equipment.
Description
Technical field
The utility model relates to jack control technology field more particularly to a kind of aircraft jack high-precise synchronization liters
Control system drops.
Background technique
Currently, the control system mainly taken when main jack synchronization lifting large-tonnage aircraft both domestic and external are as follows: synchronous to rise
Using the highest main jack of absolute displacement as tracking object when drop, this main jack of other two main jack pair is tracked
Control.In practical applications, this technical solution can be such that three main jack alternately rise, and alternately be in extreme higher position, this
Also have led to that each main jack speed is sometimes fast and sometimes slow, and final synchronous shift difference can only achieve 10mm or so, and aircraft
It will appear shaking phenomenon.In this case, it is often necessary to which several flight crews pay close attention to the posture of aircraft, increase engineering
The burden of personnel, native land, inside and outside one kind of urgently developing can make main jack have higher synchronization accuracy synchronous with stability
Lift control system.
And a kind of aircraft provided by the utility model jack high-precise synchronization lift control system, it is intended to solve above-mentioned
Defect existing in the prior art.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of aircraft jack high-precise synchronization elevating control system
System.
A kind of aircraft provided by the utility model jack high-precise synchronization lift control system is using following technology
Scheme:
A kind of aircraft is also wrapped with jack high-precise synchronization lift control system including at least three hydraulic jack
Include the control device being electrically connected with each hydraulic jack；The hydraulic jack is by least one rear main jack 2, at least
Two preceding main jack 3 form, and the rear main jack 2 is consistent with preceding main 3 structure of jack, thereon in hydraulic actuator 4
On all be equipped with detection the jacked up branch fastener 5 of hydraulic jack displacement, jack-up speed measuring device 6；Master is very heavy after described
It pushes up and is all equipped with servo valve in the electric hydraulic pump of 2, preceding main jack 3.
The control device is electrical cabinet 1, which is provided with the touch screen 11 of operation display interface, input lifting parameter,
It is interior to be equipped with memory module 12, processing module 13, the processing module 13 and touch screen 11, memory module 12, each measuring device 6,
Each servo valve electrical connection, processing module 13 can increase or decrease hydraulic jack by controlling the valve opening of each servo valve
Jack up speed.
The displacement of the branch fastener 5 that processing module 13 in real time detects measuring device 6, branch fastener 5 jack-up speed with
After detection time point is bound, generate in historical record deposit memory module 12, maintenance personal can be from when a failure occurs it
It is consulted in memory module 12, where facilitating inspection problem, analyzes reason.
Processing module 13 is according to the lifting parameter inputted on touch screen 11, main jack 2 after control, preceding main jack 3
The servo valve opening of electric hydraulic pump is to change the jack-up speed of branch fastener 5, so that the displacement of each hydraulic jack top support head 5
Amount, jack-up speed are consistent, to realize high-precise synchronization elevating control.
The measuring device 6 is stay wire sensor.
Further, alarm device 14 is additionally provided in electrical cabinet 1.
The alarm device 14 is electrically connected with processing module 13, memory module 12.
A kind of aircraft jack high-precise synchronization lift control method, it is characterised in that the following steps are included:
Step 1: the jack-up speed of user's input hydraulic pressure jack on the touch screen 11 of electrical cabinet 1, and start and be
System, the electric hydaulic pump startup of main jack 2, starts to jack up after processing module 13 controls；
Step 2: the measuring device 6 of rear main jack 2 is by the jack-up velocity feedback of the branch fastener 5 measured in real time to processing
Module 13, the jack-up speed of branch fastener 5 is sent to touch screen 11 and shown by processing module 13, while being sent to memory module
12；Jack-up normal speed of the processing module 13 according to the branch fastener 5 inputted on touch screen 11, the electricity of main jack 2 after control
The valve opening of servo valve in hydrodynamic press pump increases or decreases the jack-up speed of branch fastener 5, makes itself and the branch fastener 5 that measures
It is consistent to jack up normal speed；
Step 3: later main jack 2 is used as reference, when being started with synchronization lifting before main jack 3 and rear main jack 2
Absolute displacement as synchronous zero point, its branch fastener 5 is acquired by the measuring device 6 installed on each preceding main jack 3 in real time
Displacement and the servo valve in the electric hydraulic pump of each preceding main jack 3 after the synchronous shift difference control of rear main jack 2
Valve opening increases or decreases jack-up speed, until consistent with the displacement of the jack-up of rear main jack 2, speed；
Step 4: when after the displacement of each branch fastener 5 that measures of main jack 2, the measuring device 6 on preceding main jack 3
When maxima and minima differs by more than certain value, processing module 13 controls alarm device 14 and issues alarm.
In step 1, the electric hydaulic pump startup of main jack 2 starts to jack up after processing module 13 controls, initial to jack up speed
Main 2 electric hydraulic pump of jack after degree increases for 1/2, the 15s post-processing module 13 of the jack-up normal speed of the branch fastener 5 of setting
The valve opening of interior servo valve keeps it consistent with the jack-up normal speed of branch fastener 5 of setting.
In step 2, the method for the jack-up speed of the branch fastener 5 of 6 amount of measuring device of rear main jack 2 is: by rear master
Main jack 2 displacement difference whithin a period of time after the measuring device 6 installed on jack 2 detects, by resolve obtain after main thousand
The branch fastener 5 on jin top 2 jacks up speed in real time.
In step 4, when after the displacement of each branch fastener 5 that measures of main jack 2, the measuring device 6 on preceding main jack 3
When amount maxima and minima differs by more than 10mm, processing module 13 controls alarm device 14 and issues alarm.
Compared with the relevant technologies, the utility model is had the following technical effect that
(1) it is poor to be greatly reduced the synchronous shift during aircraft synchronization lifting for the control system of the utility model, entirely
Process displacement difference is no more than 5mm, improves the safety of equipment.
(2) control system of the utility model improves the stability of aircraft synchronization lifting process, avoids aircraft appearance
Obvious the phenomenon that shaking.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of main jack 2 after 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, a kind of aircraft of the utility model jack high-precise synchronization lift control system, including at least
Three hydraulic jacks further include the control device being electrically connected with each hydraulic jack；The hydraulic jack is by least
The preceding main jack 3 of one rear main jack 2, at least two forms, and it is hydraulic to be all equipped with detection on hydraulic actuator 4 thereon
The displacement of the jacked up branch fastener 5 of jack, the measuring device 6 for jacking up speed；Main jack 2, preceding main jack 3 after described
Servo valve is all equipped in electric hydraulic pump.
The control device is electrical cabinet 1, which is provided with the touch screen 11 of operation display interface, input lifting parameter,
It is interior to be equipped with memory module 12, processing module 13, the processing module 13 and touch screen 11, memory module 12, each measuring device 6,
Each servo valve electrical connection, processing module 13 can increase or decrease hydraulic jack by controlling the valve opening of each servo valve
Jack up speed.Electrical cabinet 1 is also electrically connected to a power source.
As shown in Fig. 2, the displacement for the branch fastener 5 that processing module 13 in real time detects measuring device 6, branch fastener 5
After jack-up speed and detection time point are bound, generates in historical record deposit memory module 12, repair when a failure occurs it
Personnel can consult from memory module 12, where facilitating inspection problem, analyze reason.
Processing module 13 is according to the lifting parameter inputted on touch screen 11, main jack 2 after control, preceding main jack 3
The servo valve opening of electric hydraulic pump is to change the jack-up speed of branch fastener 5, so that the displacement of each hydraulic jack top support head 5
Amount, jack-up speed are consistent, to realize high-precise synchronization elevating control.
Embodiment 1
In the present embodiment, the measuring device 6 is stay wire sensor.
The utility model realize aircraft jack high-precise synchronization lift control method the following steps are included:
Step 1: the jack-up speed and activation system of user's input hydraulic pressure jack on the touch screen 11 of electrical cabinet 1,
The electric hydaulic pump startup of main jack 2, starts to jack up after processing module 13 controls.
The electric hydaulic pump startup of main jack 2 starts to jack up after processing module 13 controls, and the initial speed that jacks up is setting
Branch fastener 5 jack-up normal speed 1/2,15s post-processing module 13 increase after servo in main 2 electric hydraulic pump of jack
The valve opening of valve keeps it consistent with the jack-up normal speed of branch fastener 5 of setting.Master thousand after control system stage by stage extends
The regulating time on jin top 2, but speed can be avoided to the reaction time of slower other hydraulic jacks abundance of adjustment speed
The inconsistent hydraulic jack synchronous shift difference continuous enlargement of speed.By on probation with docking for aircraft, discovery is using stage by stage
Control system, maximum synchronous shift difference is down to 3mm by 5mm when starting.
Step 2: the measuring device 6 of rear main jack 2 is by the jack-up velocity feedback of the branch fastener 5 measured in real time to processing
Module 13, the jack-up speed of branch fastener 5 is sent to touch screen 11 and shown by processing module 13, while being sent to memory module
12；Jack-up normal speed of the processing module 13 according to the branch fastener 5 inputted on touch screen 11, the electricity of main jack 2 after control
The valve opening of servo valve in hydrodynamic press pump increases or decreases the jack-up speed of branch fastener 5, makes itself and the branch fastener 5 that measures
It is consistent to jack up normal speed.
The method of the jack-up speed of the branch fastener 5 of 6 amount of measuring device of main jack 2 is afterwards: by rear main jack 2
Main jack 2 displacement difference whithin a period of time after the measuring device 6 of installation detects, by resolve obtain after main jack 2 branch
Fastener 5 jacks up speed in real time.
Step 3: later main jack 2 is used as reference, when being started with synchronization lifting before main jack 3 and rear main jack 2
Absolute displacement as synchronous zero point, its branch fastener 5 is acquired by the measuring device 6 installed on each preceding main jack 3 in real time
Displacement and the servo valve in the electric hydraulic pump of each preceding main jack 3 after the synchronous shift difference control of rear main jack 2
Valve opening increases or decreases jack-up speed, until consistent with the displacement of the jack-up of rear main jack 2, speed.
Embodiment 2
As the preferred embodiment of above-described embodiment, the measuring device 6 is stay wire sensor in the present embodiment.
Further, alarm device 14 is additionally provided in electrical cabinet 1.
The alarm device 14 is electrically connected with processing module 13, memory module 12.
In the present embodiment, realize that aircraft is unlike the embodiments above with jack high-precise synchronization lift control method
It is:
When after the displacement maximum value of each branch fastener 5 that measures of main jack 2, the measuring device 6 on preceding main jack 3 with
When minimum value differs by more than certain value, processing module 13 controls alarm device 14 and issues alarm.
When after the displacement maximum value of each branch fastener 5 that measures of main jack 2, the measuring device 6 on preceding main jack 3 with
When minimum value differs by more than 10mm, processing module 13 controls alarm device 14 and issues alarm.Maintenance personal can be by searching for storage
Data analysis trouble reason in module 12, guilty culprit, after debugging, system can restart synchronization lifting.
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 (4)
1. a kind of aircraft jack high-precise synchronization lift control system, including at least three hydraulic jack, feature
It is: further includes the control device being electrically connected with each hydraulic jack；The hydraulic jack is by least one rear master thousand
Jin pushes up preceding main jack (3) composition of (2), at least two, is all equipped with detection hydraulic jack on hydraulic actuator (4) thereon
The displacement of jacked up branch fastener (5), the measuring device (6) for jacking up speed；Main jack (2), preceding main jack (3) after described
Electric hydraulic pump in all be equipped with servo valve；
The control device is electrical cabinet (1), which is provided with the touch screen (11) of operation display interface, input lifting parameter,
It is interior to be equipped with memory module (12), processing module (13), it is the processing module (13) and touch screen (11), memory module (12), each
Measuring device (6), the electrical connection of each servo valve；
The displacement for the branch fastener (5) that processing module (13) in real time detects measuring device (6), the jack-up of branch fastener (5) are fast
After degree is bound with detection time point, generate in historical record deposit memory module (12)；
Processing module (13) is according to the lifting parameter inputted on touch screen (11), main jack (2), preceding main jack after control
(3) the servo valve opening of electric hydraulic pump is to change the jack-up speed of branch fastener (5), so that each hydraulic jack top support head
(5) displacement, jack-up speed are consistent.
2. a kind of aircraft jack high-precise synchronization lift control system as described in claim 1, it is characterised in that: described
Measuring device (6) is stay wire sensor.
3. a kind of aircraft as described in claim 1 or 2 is any jack high-precise synchronization lift control system, feature exist
In: alarm device (14) are additionally provided in electrical cabinet (1).
4. a kind of aircraft jack high-precise synchronization lift control system as claimed in claim 3, it is characterised in that: described
Alarm device (14) is electrically connected with processing module (13), memory module (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100289.4U CN208500213U (en) | 2018-07-12 | 2018-07-12 | A kind of aircraft jack high-precise synchronization lift control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100289.4U CN208500213U (en) | 2018-07-12 | 2018-07-12 | A kind of aircraft jack high-precise synchronization lift control system |
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| Publication Number | Publication Date |
|---|---|
| CN208500213U true CN208500213U (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821100289.4U Active CN208500213U (en) | 2018-07-12 | 2018-07-12 | A kind of aircraft jack high-precise synchronization lift control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108726420A (en) * | 2018-07-12 | 2018-11-02 | 西安飞豹科技有限公司 | A kind of aircraft jack high-precise synchronization lift control system and control method |
| CN112518690A (en) * | 2020-11-30 | 2021-03-19 | 重庆电子工程职业学院 | Automobile chassis maintenance workbench |
-
2018
- 2018-07-12 CN CN201821100289.4U patent/CN208500213U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108726420A (en) * | 2018-07-12 | 2018-11-02 | 西安飞豹科技有限公司 | A kind of aircraft jack high-precise synchronization lift control system and control method |
| CN112518690A (en) * | 2020-11-30 | 2021-03-19 | 重庆电子工程职业学院 | Automobile chassis maintenance workbench |
| CN112518690B (en) * | 2020-11-30 | 2022-01-04 | 重庆电子工程职业学院 | Automobile chassis maintenance workbench |
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