CN106286486B - A kind of Multifunctional navigation Hydraulic service car - Google Patents
A kind of Multifunctional navigation Hydraulic service car Download PDFInfo
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- CN106286486B CN106286486B CN201610963293.2A CN201610963293A CN106286486B CN 106286486 B CN106286486 B CN 106286486B CN 201610963293 A CN201610963293 A CN 201610963293A CN 106286486 B CN106286486 B CN 106286486B
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- voltage supply
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- oiling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of Multifunctional navigation Hydraulic service car, belongs to aircraft floor maintenance technology field.The present invention devises a kind of supermatic Multifunctional navigation Hydraulic service car, meets the requirements at the higher level that type aircraft hydraulic system proposes to its ability of maintenance on the basis of analyzing the design feature of a variety of existing equipments and carrying out perfect in shape and function to it.The maintenance cart collection is multi-functional for all over the body, it is proposed that the solution of oil, detection voltage supply and cleaning function integration will be added, hydraulic oil liquid actively purifies simultaneously, mobility strong, it is proposed hydraulic pressure, power, control and auxiliary body being arranged on towed car body, reach compact-sized, the mobile flexible, effect of simple operation.And control reliably, realize maintenance work real time on-line monitoring, it is ensured that control process is accurate, efficient.
Description
Technical field
The invention belongs to aircraft floor maintenance technology field, and in particular to a kind of Multifunctional navigation Hydraulic service car.
Background technology
Hydraulic air maintenance cart be ensure Flight Safety and hydraulic oil liquid supply primary ground installation, airplane hydraulic pressure
System manipulates executing agency for it and provides operating power source, directly affects the safety and reliability of aircraft work.Due to structure
Complicated hydraulic system is in closed space, once flight failure occurs, positioning and maintenance are very difficult, therefore its work
Reliability largely all rely on ground maintenance.Aircraft floor maintenance work mainly includes three aspects：(1) system is being manipulated
Power source is provided in system performance detection and debugging process；(2) it is airplane hydraulic pressure fuel tank repairing；(3) plane hydraulic system cleans.
At present, the ground maintenance of plane hydraulic system is typically by the use of hydrant cart as power source, then is equipped with tank service truck and is
Airplane hydraulic pressure fuel tank fills fluid, although overcoming fluid underfed, during work the problems such as high oil temperature, still suffer from
Lower problem：(1) function is single, very flexible, can only realize to hydraulic system voltage supply, add part work(in fluid or cleaning
Can, need multi-section equipment to operate successively during full maintenance, in large scale, cumbersome, transition ability；(2) passive filter core is net
Change, the pollutant gone using oil filter in degreasing fluid, passively can only intercept and adsorb the solid pollutant in fluid, it is impossible to remove
Water and gas pollutant in fluid, it is impossible to fluid is thoroughly purified, while only passively maintains contamination level of oil liquid not exceeded by oily filter,
Filter core needs frequent clean and replacing, not only increases cost, and is easily caused environmental contaminants and is mixed into hydraulic system, and filter core
Contamination capacity is limited, can only increase pollutant holding capability by increasing filter core volume；(3) automaticity is low, most of ground maintenance dress
Put and lack online dustiness detection function, attendant can not grasp oil contamination situation in real time, full-vehicle control flexibility, accurate
Property is poor.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of Multifunctional navigation Hydraulic service car, by hydraulic pressure
Programme of work designs the requirement for reaching the expected design described in background technology with two aspects of vehicle Module Division.Realize design
It is required that key be hydraulic loop, applicant have found the design of hydraulic scheme by largely groping and testing
Thinking：(1) bicycle multifunction：First separately design and add oil, voltage supply and the fluid pressure line for cleaning Three models, then to each loop
Integrated, obtain multi-functional maintenance cart fluid pressure line；(2) active lube purification：Liquid is realized using the method for being centrifuged at a high speed
Liquid is pressed oil actively to purify；(3) vehicle Module Division：Using the modular design method commonly used in Machine Design, its functional module
The mode of Combination Design is advantageous to maintenance cart global design.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of Multifunctional navigation Hydraulic service car, described maintenance cart include control system, and control system connects liquid respectively
Pressure system, dynamical system and auxiliary body；Control system is internally provided with pressure control module, flow-control module, temperature control
Molding block, on-line monitoring module and purification control module；Control system gathers signal, the control journey through single-chip microcomputer by sensor
Sequence sends instruction, and maintenance parameters are controlled and adjusted using hydraulic control components such as overflow valve, a variety of reversing solenoid valves and (such as are flowed
The fluid such as amount, temperature, pressure, liquid level performance parameter), it can be achieved to switch between a variety of maintenance work patterns, it is ensured that whole maintenance workers
Make accurate, reliable.Control system includes the host computer and slave computer by PROFIBUS connections, and slave computer passes through each interface point
Do not connected with corresponding electrical equipment；When control work starts, host computer obtains user's input by manipulating interface, then by this
A little instructions are sent to the next machine controller, and these instructions are construed to corresponding time sequence signal and are transmitted directly to maintenance cart by slave computer
The control objects such as motor driving, error protection, realize logic control of the host computer to executive component.In maintenance process, slave computer
Device status data is read in timing, is converted into data signal and is fed back to host computer, realizes user to the long-range real-time of the scene of safeguarding
Monitoring.
Wherein, described hydraulic system actively purifies pipeline and Trinity multifunction hydraulic pipeline, fluid including fluid
Actively purifying pipeline can realize that comprehensive removal is solid, water, gas three-phase pollutant, and is lost without filter material, and contamination capacity is big, effectively prolongs
Maintenance period is grown.Trinity multifunction hydraulic pipeline includes passing through the oiling benefit for separately designing and integrating and simplify repeat element
Oil pipe line, voltage supply pipeline and detergent line, realize bicycle multifunction.Hydraulic system is similar to plane hydraulic system effect,
Suitable hydraulic power supply mainly is provided for aircraft in ground maintenance, it is auxiliary by Hydraulic power units, control valve class and hydraulic pressure
Element is helped to form.Dynamical element is made up of main pump, gasoline pump, slippage pump, and certain flow and pressure are provided for hydraulic system.
The choke valve of diversified forms, the check valve of diversified forms, the reversing solenoid valve etc. of diversified forms are set on maintenance cart fluid pressure line
Hydraulic control component, control fluid flow, pressure and flow direction.Auxiliary element includes fuel tank, sealing device, pressure gauge, storage
Energy device etc., ensure that hydraulic system effectively transmits power and motion.Fuel tank is divided into absolute oil case and sump oil case two parts, to prevent air
It is mixed into, using seal form；Accumulator is installed at main pump outlet, the pressure unnecessary for storing hydraulic system, kept whole
Individual system stable working, extend the service life of pipeline and annex.During work, the hydraulic system of maintenance cart and aircraft forms closure
Loop；According to plane hydraulic system needs, hydraulic system is in corresponding working condition, there is provided the maintenance of different working modes.
Wherein, described dynamical system is made up of the part such as variable-frequency motor, yielding coupling, damping device and bearing, is used
Fluid is done work in driving hydraulic pump, there is provided safeguard required high-voltage oil liquid.To reduce Hydraulic service car running noises, the design
Use Jing Yin variable-frequency motor to provide power for main pump, by frequency converter adjust main pump motor rotating speed, make motor power output and
Power matches needed for oil pump, and the change with output flow under two kinds of operating modes of voltage supply is being cleaned to adapt to main pump.Further, since
Benefit, gasoline pump working speed are low, have selected two low-power machines drivings.When safeguarding, machine that hydraulic pump exports dynamical system
Tool can be converted to the pressure energy of hydraulic fluid, ensure that maintenance cart fluid has enough flows and pressure.
Wherein, described auxiliary body includes Fuel tank supercharging device, pressure-detecting device, temperature-detecting device, radiating dress
Put with online dustiness detection means, be advantageous to improve Support ability.The panel radiator for having strong cooling capacity is connected
Radiating is realized in maintenance cart oil return and voltage supply pipeline；It is ground fuel-tank pressurization from high-pressure nitrogen bottle, oil pressure size passes through tune
Pressure valve is adjusted, and is kept system fuel tank suitable with airplane hydraulic pressure fuel tank pressure, is prevented ground fuel tank suck-back airplane hydraulic pressure fluid.By dirt
Dye degree on-line measuring device is connected with the sampling joint on ground hydraulic pipeline and fuel tank, realizes the online prison of the dustiness of fluid
Survey.Maintenance cart car body can use self-propelled and towed, and from the point of view of simple in construction and economical, the design uses towed
Car body so that compact-sized, operation is flexibly convenient.
Preferably, described host computer is computer, and described slave computer is the S7-400PLC of Siemens Company's production,
Slave computer is control system " heart ", is mainly used to driving equipment and the closed-loop control to maintenance work, is completed existing to controlling
The real-time control of field.The type and concrete model of slave computer are needed according to the functional requirement of use environment and control object come really
It is fixed.
Preferably, it is described in order that obtaining the maintenance cart reaches preferable using effect, while according to maintenance cart running parameter
Computer concrete configuration parameter be CPU module：Pentium 4/M, hard disk 3.67GB (include driver), internal memory：1GB,
Display：The pixels of 1024x 768, operating system：Windows XP SP3(32-bit).
Preferably, described fluid, which actively purifies pipeline, includes centrifugal oil clearner, and centrifugal oil clearner is provided with oil inlet, net
Oil export and gas vent, described oil inlet connect sump oil case by pipeline；Described absolute oil outlet is connected net by pipeline
Fuel tank；Described gas vent connects sump oil case by blow-off line, and blowdown check valve and blowdown are provided with blow-off line certainly
Sucking pump；A pipeline loop and a pressure gauge are provided with described sump oil case and absolute oil case, along fluid flow direction, often
Loop check valve, loop self priming pump and draining box are disposed with individual pipeline loop.
Preferably, described centrifugal oil clearner is internally provided with some groups of separator disk being parallel to each other groups, centrifugal oil clearner
Left and right ends are provided with discharge outlet.
Preferably, described oiling repairing pipeline includes repairing pipeline and filling conduit；Described repairing pipeline one end connects
Absolute oil case, repairing pipeline other end connection repairing reversing solenoid valve are connect, the input of repairing reversing solenoid valve connects standard respectively
Exported with oil drum and absolute oil, along the fluid flow direction of repairing pipeline, slippage pump, repairing list are disposed with repairing pipeline
To valve and repairing oily filter；Described filling conduit one end connection absolute oil case, along fluid flow direction, sets gradually on filling conduit
There are oiling check valve, gasoline pump, oiling oily filter, oiling stop valve and oiling valve joint；In oiling oily filter and oiling stop valve
Between filling conduit on grafting oiling overflow pipe and be connected to absolute oil case, oiling overflow valve is provided with oiling overflow pipe.
Preferably, along fluid flow direction, the first voltage supply valve joint, first are disposed with described voltage supply pipeline
Voltage supply choke valve, the first voltage supply check valve, the first voltage supply oily filter, voltage supply reversing solenoid valve, main pump, the second voltage supply oily filter, second
Voltage supply check valve, the second voltage supply choke valve and the second voltage supply valve joint；The second described voltage supply oily filter and the second voltage supply are unidirectional
Grafting voltage supply overflow pipe and absolute oil case is connected on voltage supply pipeline between valve, voltage supply overflow valve is provided with voltage supply overflow pipe.
Preferably, described detergent line is included into oil pipe and flowline；The described oil pipe that enters is included into oil commutation electromagnetism
Valve, enter oily reversing solenoid valve input and absolute oil case is connected by oil pipe, enter oily reversing solenoid valve output end connection voltage supply commutation electricity
On voltage supply pipeline between magnet valve and main pump；Described flowline includes oil outlet one-way valve, and the connection of oil outlet one-way valve input supplies
The output end of reversing solenoid valve is pressed, oil outlet one-way valve output end connects closed sump oil case.
In order that obtaining the maintenance cart reaches preferable using effect, while according to maintenance cart running parameter, to maintenance cart pair
Maintenance cart carries out Component selection, and described main pump is BOSCH-REXROTH 45DFR1/31R-PPA12N00 plate variable plunger pumps, described
Gasoline pump be SV10-1P6P-1C vane pumps, described slippage pump is YBN-60 vane pumps, and described repairing oily filter, refuel oil
Filter, model PLF-H160 × 3P, a diameter of 50mm of described voltage supply pipeline of the first voltage supply oily filter, the second voltage supply oily filter,
A diameter of 40mm of described oiling repairing pipeline, the main pump motor model Y280S-2 that described main pump uses, described adds
The gasoline pump motor model that oil pump uses is Y90L-2, and the slippage pump motor model that described slippage pump uses is Y132S1-2,
Described frequency converter is FRN075P7-4 type frequency converters.
It is an advantage of the invention that：The present invention realizes four needs of expected design：(1) bicycle multifunction.It is in control
Under system effect, fluid trend is changed by the reversing solenoid valve in multifunction hydraulic loop, realizes and adds oil, detection voltage supply and clear
Wash between Three models and switch.(2) fluid actively purifies.Using high speed centrifugation absolute oil technology, solid, water, gas in degreasing fluid are removed in real time
Three-phase pollutant, avoids the loss of the filter material in passive purification process and fluid exports caused pollution repeatedly.(3) mobility
By force.Hydraulic pressure, power, control and auxiliary body are all installed concentratedly on towed car body, and operation is flexibly convenient.(4) control is reliable.
Ensure that control process is stable, effectively, realize real-time, multi-task parallel control.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is control system architecture figure of the present invention；
Fig. 3 is Trinity multifunction hydraulic pipeline structure schematic diagram of the present invention；
Fig. 4 is that fluid of the present invention actively purifies pipeline structure schematic diagram；
Fig. 5 is the structural representation of centrifugal oil clearner of the present invention；
Fig. 6 is human-computer interaction interface of the present invention.
Symbol description in figure：1st, control system；11st, pressure control module；12nd, flow-control module；13rd, temperature control mould
Block；14th, on-line monitoring module；15th, control module is purified；2nd, hydraulic system；21st, oiling repairing pipeline；22nd, voltage supply pipeline；23、
Detergent line；24th, fluid actively purifies pipeline；211st, centrifugal oil clearner；212nd, separator disk group；213rd, discharge outlet；214th, oil-feed
Mouthful；215th, absolute oil exports；216th, gas vent；218th, blowdown check valve；219th, blowdown self priming pump；220th, loop check valve；
221st, loop self priming pump；222nd, draining box；223rd, repairing reversing solenoid valve；224th, standard oil drum；226th, slippage pump；227、
Repairing check valve；228th, repairing oily filter；229th, oiling check valve；230th, gasoline pump；231st, oiling oily filter；232nd, refuel and end
Valve；233rd, oiling valve joint；234th, oiling overflow valve；235th, the first voltage supply valve joint；236th, the first voltage supply choke valve；
237th, the first voltage supply check valve；238th, the first voltage supply oily filter；239th, voltage supply reversing solenoid valve；240th, main pump；241st, the second voltage supply
Oily filter；242nd, the second voltage supply check valve；243rd, the second voltage supply choke valve；244th, the second voltage supply valve joint；245th, voltage supply overflow
Valve；246th, oily reversing solenoid valve is entered；247th, oil outlet one-way valve；3rd, dynamical system；4th, auxiliary body；41st, Fuel tank supercharging device；
42nd, pressure-detecting device；43rd, temperature-detecting device；44th, heat abstractor；45th, online dustiness detection means.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated：
As shown in figure 1, be overall structure diagram of the present invention, including control system, control system 1 connect hydraulic pressure system respectively
System 2, dynamical system 3 and auxiliary body 4；Control system 1 is internally provided with pressure control module 11, flow-control module 12, temperature
Spend control module 13, on-line monitoring module 14 and purification control module 15；Control system 1 includes passing through the upper of PROFIBUS connections
Position machine and slave computer, slave computer are connected with corresponding electrical equipment respectively by each interface.
As shown in Fig. 2 it is the structure chart of control system 1 of the present invention.The major function of control system 1 is to realize each mode of operation
Start and stop conversion and maintenance process needed for running parameter regulation and control and system self detection.Design for control system 1,
Mainly follow following two principles：(1) ensure that control process is stable, reliably, effectively；(2) real-time, multi-task parallel control is realized
System.Based on two above design criteria, the present invention uses modular design method, is carried out respectively in terms of hardware, software come two
Design.Hardware system is divided into two parts of host computer and slave computer；Software is controlled simultaneously by upper and lower machine, and it, which is designed, includes using
Family operational platform design and PLC control program write two parts.
As shown in fig. 6, it is human-computer interaction interface of the present invention.Safeguarding the Software for Design of vehicle control 1 includes two parts：
(1) control program is write.Hardware configuration based on PLC, require, to write PLC control program, to realize control work(according to control
Energy；(2) foundation of man-machine interface (Human Machine Interface hereinafter referred to as HMI).
For PLC control program, the design uses S7-CFC language, and is entered with STEP 7 BASIS V5.4SP5 versions
Row programming.Major sub programs include：Fluid performance parameter collection subprogram, upper machine communication subprogram, the sub- journey of inverter communication
When sequence, rotational speed PID regulation subprogram, temperature adjustment subprogram, pressure regulation subprogram, Flow-rate adjustment subprogram and operation
Between count subprogram.
It is in the present system, man-machine and HMI is that information is exchanged between operating personnel and control system 1, realizes the window of dialogue
Interface needs to realize following functions：1) system initial setting up：Operator inputs different running parameters to adapt to not by interface
Same work requirements；2) display of regime：Display system current operation mode, main working parameters.3) storage of logging, tune
With：User can be convenient subsequently to transfer, check by interface saving logging.4) graphic interface controls：Operator passes through directly perceived
Graphical interfaces can complete adjustment to systematic parameter.
Safeguard that the man-machine interface of vehicle control 1 is divided into system setup menu, manipulates menu, data storage menu, exits
The function such as menu, four Menu realizations data acquisition of maintenance process, storage, processing, management and display.
System setup menu is such as in Fig. 6 shown in (a), and system setup menu is also default menu, and display should during system standby
Interface, before carrying out maintenance work, user carries out system initial setting up by the interface.
Manipulate in menu such as Fig. 6 shown in (b), user can be selected by manipulating interface, switch service mode, observed, deposited
Store up and review the working parameters such as flow in maintenance process, temperature, pressure.
(c) is shown in data storage menu such as Fig. 6, it is contemplated that the performance that user needs to analyze, extract in maintenance process is joined
Count, data storage menu is additionally arranged in the design, facilitate user's storage, call.
Exit in menu such as Fig. 6 shown in (d), after the completion of items are safeguarded, user enters menu, clicks exit button and terminates
Maintenance work.
As shown in figure 3, described hydraulic system actively purifies pipeline 24 and Trinity multifunctional solution pressure pipe including fluid
Road, Trinity multifunction hydraulic pipeline include by separately design and integrate simplify repeat element oiling repairing pipeline 21,
Voltage supply pipeline 22 and detergent line 23.
Wherein, described dynamical system 3 is made up of the part such as variable-frequency motor, yielding coupling, damping device and bearing, is used
Fluid is done work in driving hydraulic pump, there is provided safeguard required high-voltage oil liquid.To reduce Hydraulic service car running noises, the present invention
Use Jing Yin variable-frequency motor to provide power for main pump, by frequency converter adjust main pump motor rotating speed, make motor power output and
Power matches needed for oil pump, and the change with output flow under two kinds of operating modes of voltage supply is being cleaned to adapt to main pump.Further, since
Benefit, gasoline pump working speed are low, have selected two low-power machines drivings.
Wherein, described auxiliary body 4 include Fuel tank supercharging device 41, pressure-detecting device 42, temperature-detecting device 43,
Heat abstractor 44 and online dustiness detection means 45, be advantageous to improve Support ability.There to be the board-like of strong cooling capacity
Radiator tandem realizes radiating in maintenance cart oil return and voltage supply pipeline 22；It is ground fuel-tank pressurization from high-pressure nitrogen bottle, oil
Size is pressed to keep system fuel tank suitable with airplane hydraulic pressure fuel tank pressure by pressure regulation valve regulation, prevent ground fuel tank suck-back aircraft
Hydraulic oil liquid.Dustiness on-line measuring device is connected with the sampling joint on ground hydraulic pipeline and fuel tank, realizes fluid
The on-line monitoring of dustiness.
Car body of the present invention uses towed car body, is mainly made up of chassis, housing, damping spring, tire, dragging vehicle frame,
To ensure that car body can freely turn to body one universal wheel of anterior installation.It is simple in construction, it is simple in construction, fault rate is low, flexibility is strong.
Wherein, chassis portion is welded using square steel, ensures enough support strengths.Housing parts are used to protect the liquid being arranged on car body
Pressure, control, dynamical system etc. are all to safeguard component, and rubber shock-absorbing piece is installed at its internal edge and safeguards that component operation is made an uproar to absorb
Sound.
Wherein, described host computer is computer, and concrete configuration parameter is CPU module：Pentium 4/M, hard disk
3.67GB (includes driver), internal memory：1GB, display：The pixels of 1024x 768, operating system：Windows XP SP3
(32-bit)。
Wherein, described slave computer is the S7-400PLC of Siemens Company's production.
Wherein, described fluid, which actively purifies pipeline 24, includes centrifugal oil clearner 211, and the inside of centrifugal oil clearner 211 is set
There are some groups of separator disk being parallel to each other groups 212, the left and right ends of centrifugal oil clearner 211 are provided with discharge outlet 213, centrifugal oil clearner
211 bottoms are provided with oil inlet 214 and absolute oil outlet 215, and the upper end of centrifugal oil clearner 211 is provided with gas vent 216；Described
Oil inlet 214 connects sump oil case by pipeline；Described absolute oil outlet 215 connects absolute oil case by pipeline；Described gas goes out
Mouth 216 connects sump oil case by blow-off line, and blowdown check valve 218 and blowdown self priming pump 219 are provided with blow-off line；It is described
Sump oil case and absolute oil case on be provided with a pipeline loop and a pressure gauge, along fluid flow direction, each back of pipeline
Loop check valve 220, loop self priming pump 221 and draining box 222 are disposed with road.
Sump oil case is connected with the oil inlet 214 of centrifugal oil purifier 211, booster action of the fluid in blowdown self priming pump 219
Concentrator bowl is full of down, and now the larger solid pollutant of density and free water are deposited on barrel, are discharged outside machine, fluid density
It is smaller then to be moved to body centre, realize separation.Because high speed rotates, the gas that saturation solubility is exceeded in fluid is precipitated,
Sucked through blowdown self priming pump 219 (automatically controlling the vacuum of outlet, oil-feed is closed when negative pressure disappears) by negative pressure sump oil case, then
By loop self priming pump 221, it is drawn onto in draining box 222, is finally completed solid, water, gas comprehensive decontamination work.Due to being additionally arranged actively
Purification function, this maintenance cart is without separately with Special Equipment purification aircraft hydraulic oil, avoiding fluid from exporting the pollution brought repeatedly, carrying
High maintenance efficiency.
As shown in figure 5, the centrifugal oil clearner 211 can realize the comprehensive decontamination of solid particle, moisture and air.Its is main
Feature has：1) low viscosity pollution degree of hydraulic oil grade can be reduced to by primary purification by NAS1638V levels, the higher oil of viscosity
Liquid can also reach IV levels after purifying several times, efficiency high and avoid, because filtering repeatedly, destroying the anti-shear ability of fluid, really
Protect fluid service behaviour；2) use automatic exhaust technique, improve the suction capacity of centrifuge, solve thick oil water,
Gas removes the problem of difficult, realizes solid-comprehensive purification of water-gas；3) lube purification is realized using centrifugal principle, is filtered without consuming
Material, use cost is low, beneficial to environmental protection；4) can be to kinematic viscosity in 1~1000mm2/ s fluid is purified, and is had a wide range of application,
Precision height is purified, the different demands of online and offline purification can be met simultaneously, effectively extends the service life of fluid.Centrifugation
Oil purifier and traditional oils filtration filter comparing result are as shown in table 1.
The centrifugal oil clearner of table 1 and the contrast of traditional filter screen oil conditioner
As shown in Table 1, the clean-up effect of centrifugal oil clearner 211, security and cost are better than traditional filter screen absolute oil comprehensively
Machine, it can effectively control oil contamination, extend fluid service life, realize that hydraulic system normally and efficiently works, and ensure to fly
Row safety.
Wherein, described oiling repairing pipeline 21 includes repairing pipeline and filling conduit；Described repairing pipeline one end connects
Absolute oil case is connect, repairing pipeline other end connection repairing reversing solenoid valve 223, the input of repairing reversing solenoid valve 223 connects respectively
Standard oil drum 224 and absolute oil outlet 215 are connect, along the fluid flow direction of repairing pipeline, is disposed with repairing pipeline
Slippage pump 226, repairing check valve 227 and repairing oily filter 228；Described filling conduit one end connection absolute oil case, flows along fluid
Direction, oiling check valve 229, gasoline pump 230, oiling oily filter 231, the and of oiling stop valve 232 are disposed with filling conduit
Oiling valve joint 233；Grafting oiling overflow pipe is simultaneously on filling conduit between oiling oily filter 231 and oiling stop valve 232
Absolute oil case is connected to, oiling overflow valve 234 is provided with oiling overflow pipe.
During oiling, oiling stop valve 232 is opened, starts gasoline pump 230 and absolute oil is delivered in filling conduit, fluid edge adds
Oil pipe line is delivered to through oiling check valve 229, gasoline pump 230, oiling oily filter 231, oiling stop valve 232, oiling valve joint 233
Plane hydraulic system.Taken when fuel tanker oil mass reaches, unnecessary fluid flows back to ground absolute oil case through oiling overflow valve 234.
During repairing, repairing joint is connected with external standard with oil drum 224 or absolute oil outlet 215.Pass through benefit during repairing
Oily reversing solenoid valve 223 selects oil sources, and now repairing pipeline connects with ground absolute oil case.Start slippage pump 226 by fluid through mending
Repairing check valve 227, repairing oily filter 228 inject absolute oil case in oil pipe line, complete oil replenishing process.
Wherein, the first voltage supply valve joint 235, the first voltage supply choke valve are disposed with described voltage supply pipeline 22
236th, the first voltage supply check valve 237, the first voltage supply oily filter 238, voltage supply reversing solenoid valve 239, main pump 240, the second voltage supply oily filter
241st, the second voltage supply check valve 242, the second voltage supply choke valve 243 and the second voltage supply valve joint 244；Described the second voltage supply oil
Grafting voltage supply overflow pipe and absolute oil case is connected on the 241 and second voltage supply pipeline 22 between voltage supply check valve 242 of filter, voltage supply is overflow
Voltage supply overflow valve 245 is provided with flow tube.
Before work, voltage supply reversing solenoid valve 239 is in the connection of left position, enters oily reversing solenoid valve 246 and is in the cut-off of right position, this
When oil return connected with voltage supply pipeline 22.Maintenance cart fluid pressure line and plane hydraulic system oil pressure are too high during to prevent voltage supply, by master
The rotating speed of pump 240 is turned down.During work, start main pump 240, the fluid on aircraft is along voltage supply pipeline 22 through oiling valve joint 233, the
One voltage supply choke valve 236, the first voltage supply check valve 237, the first voltage supply oily filter 238, voltage supply reversing solenoid valve 239 flow into main pump
240, main pump 240 exports high-voltage oil liquid, along voltage supply pipeline 22 through the second voltage supply oily filter 241, the second voltage supply check valve 242, second
The voltage supply valve joint 244 of voltage supply choke valve 243 and second enters plane hydraulic system.During plane hydraulic system hypertonia, supply
Voltage supply overflow valve 245 on pressure pipe road 22 is opened, and unnecessary fluid flows back to sump oil case through voltage supply overflow valve 245.
Wherein, described detergent line 23 is included into oil pipe and flowline；The described oil pipe that enters is included into oil commutation electromagnetism
Valve 246, enter the oily input of reversing solenoid valve 246 and absolute oil case is connected by oil pipe, enter the oily output end of reversing solenoid valve 246 connection and supply
Press on the voltage supply pipeline 22 between reversing solenoid valve 239 and main pump 240；Described flowline includes oil outlet one-way valve 247, fuel-displaced
The output end of the input of check valve 247 connection voltage supply reversing solenoid valve 239, the output end of oil outlet one-way valve 247 connect closed dirt
Fuel tank.
Before work, voltage supply reversing solenoid valve 239 be placed in right position, enter oily reversing solenoid valve 246 be in left position connection, now supply
Pressure pipe road 22 connects with ground fuel tank.During work, start main pump 240, by absolute oil case hydraulic oil through entering the oily pump of reversing solenoid valve 246
Voltage supply pipeline 22 is delivered to, fluid is along voltage supply pipeline 22 through the second voltage supply oily filter 241, the second voltage supply check valve 242, the second voltage supply section
Stream valve 243, the second voltage supply valve joint 244 enter plane hydraulic system；Oil return on aircraft is lived by the oiling on maintenance cart
Door joint 233 is through the first voltage supply choke valve 236, the first voltage supply check valve 237, the first voltage supply oily filter 238, voltage supply reversing solenoid valve
239th, oil outlet one-way valve 247 flows into sump oil case, realizes the clear of displacement to fluid in plane hydraulic system and pipeline and annex
Wash.The main pump of maintenance cart voltage supply pipeline 22 takes full flow to export, and voltage supply overflow valve 245 is in normally opened operating mode, aircraft liquid in pipeline
Pressure system is in delivery cleaning state.
Wherein, according to maintenance cart condition of work safeguard the design of vehicle hydraulic system 2, dynamical system 3 and auxiliary body 4
Type selecting, maintenance cart condition of work determine according to mainstream model now and national standard, mainly include plane hydraulic system and work
Pressure, working solution model, contamination level of oil liquid requirement, required oil pressure and flow velocity etc..Specific works parameter is shown in Table 2.
The maintenance cart running parameter of table 2
According to maintenance cart running parameter, Component selection and structure design are carried out to maintenance cart to maintenance cart.Mainly include liquid
Pressure system 2 and the Selection and Design of dynamical system 3, described main pump 240 are the inclined disc type variables of BOSCH-REXROTH 45DFR1/31R-PPA12N00
Plunger pump, described gasoline pump 230 are SV10-1P6P-1C vane pumps, and described slippage pump 226 is YBN-60 vane pumps, described
Repairing oily filter 228, oiling oily filter 231, the first voltage supply oily filter 238, the second voltage supply oily filter 241 model PLF-H160 ×
3P, a diameter of 50mm of described voltage supply pipeline 22, a diameter of 40mm of described oiling repairing pipeline 21, described main pump
The 240 main pump motor model Y280S-2 used, the gasoline pump motor model that described gasoline pump 230 uses are Y90L-2, institute
The slippage pump motor model that the slippage pump 226 stated uses is Y132S1-2, and described frequency converter is FRN075P7-4 type frequency converters.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and simultaneously
The non-restriction to embodiment.For those of ordinary skill in the field, can also do on the basis of the above description
Go out other various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.And thus drawn
Among the obvious changes or variations that Shen goes out is still in protection scope of the present invention.
Claims (6)
1. a kind of Multifunctional navigation Hydraulic service car, it is characterised in that described maintenance cart includes control system, control system point
Lian Jie not hydraulic system, dynamical system and auxiliary body；Control system is internally provided with pressure control module, flow control mould
Block, temperature control modules, on-line monitoring module and purification control module；Control system includes passing through the upper of PROFIBUS connections
Machine and slave computer, slave computer are connected with corresponding electrical equipment respectively by each interface；Described hydraulic system includes fluid
Pipeline and Trinity multifunction hydraulic pipeline are actively purified, Trinity multifunction hydraulic pipeline is included by separately designing simultaneously
Integrate oiling repairing pipeline, voltage supply pipeline and the detergent line for simplifying repeat element；Described dynamical system includes variable-frequency motor
And frequency converter；Described auxiliary body include Fuel tank supercharging device, pressure-detecting device, temperature-detecting device, heat abstractor and
Online dustiness detection means；
Described host computer is computer, and described slave computer is the S7-400PLC of Siemens Company's production；
Described computer concrete configuration parameter is CPU module：Pentium 4/M, the hard disk 3.67GB comprising driver, it is interior
Deposit：1GB, display：The pixels of 1024x 768,32-bit operating system：Windows XP SP3；
Described fluid, which actively purifies pipeline, includes centrifugal oil clearner, and it is gentle that centrifugal oil clearner is provided with oil inlet, absolute oil outlet
Body exports, and described oil inlet connects sump oil case by pipeline；Described absolute oil outlet connects absolute oil case by pipeline；Described
Gas vent connects sump oil case by blow-off line, and blowdown check valve and blowdown self priming pump are provided with blow-off line；Described
A pipeline loop and a pressure gauge, along fluid flow direction, each pipeline loop are provided with sump oil case and absolute oil case
On be disposed with loop check valve, loop self priming pump and draining box.
2. a kind of Multifunctional navigation Hydraulic service car as claimed in claim 1, it is characterised in that in described centrifugal oil clearner
Portion is provided with some groups of separator disk being parallel to each other groups, and centrifugal oil clearner left and right ends are provided with discharge outlet.
A kind of 3. Multifunctional navigation Hydraulic service car as claimed in claim 2, it is characterised in that described oiling repairing pipeline
Including repairing pipeline and filling conduit；Described repairing pipeline one end connection absolute oil case, the connection repairing of the repairing pipeline other end are changed
To magnetic valve, the input of repairing reversing solenoid valve connects standard and exported with oil drum and absolute oil respectively, along the oil of repairing pipeline
Liquid flow direction, slippage pump, repairing check valve and repairing oily filter are disposed with repairing pipeline；Described filling conduit one end
Absolute oil case is connected, along fluid flow direction, oiling check valve, gasoline pump, oiling oily filter, oiling are disposed with filling conduit
Stop valve and oiling valve joint；Grafting oiling overflow pipe and company on filling conduit between oiling oily filter and oiling stop valve
Absolute oil case is connected to, oiling overflow valve is provided with oiling overflow pipe.
4. a kind of Multifunctional navigation Hydraulic service car as claimed in claim 3, it is characterised in that along fluid flow direction, institute
The first voltage supply valve joint, the first voltage supply choke valve, the first voltage supply check valve, the first confession are disposed with the voltage supply pipeline stated
Press oil filter, voltage supply reversing solenoid valve, main pump, the second voltage supply oily filter, the second voltage supply check valve, the second voltage supply choke valve and the second confession
Press valve joint；Grafting voltage supply overflow pipe is simultaneously on voltage supply pipeline between the second described voltage supply oily filter and the second voltage supply check valve
Absolute oil case is connected to, voltage supply overflow valve is provided with voltage supply overflow pipe.
5. a kind of Multifunctional navigation Hydraulic service car as claimed in claim 4, it is characterised in that described detergent line includes
Enter oil pipe and flowline；The described oil pipe that enters is included into oily reversing solenoid valve, enters oily reversing solenoid valve input and is connected by oil pipe
Absolute oil case is connect, is entered on the voltage supply pipeline between oily reversing solenoid valve output end connection voltage supply reversing solenoid valve and main pump；Described
Flowline includes oil outlet one-way valve, and oil outlet one-way valve input connects the output end of voltage supply reversing solenoid valve, and oil outlet one-way valve is defeated
Go out end and connect closed sump oil case.
6. a kind of Multifunctional navigation Hydraulic service car as claimed in claim 5, it is characterised in that described main pump is BOSCH-REXROTH
45DFR1/31R-PPA12N00 plate variable plunger pumps, described gasoline pump are SV10-1P6P-1C vane pumps, described benefit
Oil pump is YBN-60 vane pumps, described repairing oily filter, oiling oily filter, the first voltage supply oily filter, the model of the second voltage supply oily filter
PLF-H160 × 3P, a diameter of 50mm of described voltage supply pipeline, a diameter of 40mm of described oiling repairing pipeline are described
The main pump motor model Y280S-2 that main pump uses, the gasoline pump motor model that described gasoline pump uses is Y90L-2, described
The slippage pump motor model that uses of slippage pump be Y132S1-2, described frequency converter is FRN075P7-4 type frequency converters.
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| CN201610963293.2A CN106286486B (en) | 2016-10-28 | 2016-10-28 | A kind of Multifunctional navigation Hydraulic service car |
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| CN106931004B (en) * | 2017-02-21 | 2018-08-14 | 合肥景昇信息科技有限公司 | Platform is cleared up for base level, Relay and Base Level hydraulic system |
| CN109911833B (en) * | 2018-11-12 | 2022-12-13 | 中航通飞研究院有限公司 | Exhaust method of passive brake system of airplane |
| CN111781887A (en) * | 2020-07-02 | 2020-10-16 | 南通航海机械集团有限公司 | Integrated guarantee module control system based on PLC |
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| CN201521510U (en) * | 2009-09-17 | 2010-07-07 | 成都成飞航空设备开发有限责任公司 | Hydraulic power source system |
| CN203681880U (en) * | 2013-12-03 | 2014-07-02 | 海丰通航科技有限公司 | Comprehensive aircraft ground service insurance system |
| CN205047584U (en) * | 2015-06-30 | 2016-02-24 | 常州福宇精密模具有限公司 | Aviation hydraulic fluid purifier |
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