CN107336838A - Oil tank for unmanned aerial vehicle - Google Patents
Oil tank for unmanned aerial vehicle Download PDFInfo
- Publication number
- CN107336838A CN107336838A CN201710704363.7A CN201710704363A CN107336838A CN 107336838 A CN107336838 A CN 107336838A CN 201710704363 A CN201710704363 A CN 201710704363A CN 107336838 A CN107336838 A CN 107336838A
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- Prior art keywords
- fuel tank
- oil
- fuel
- unmanned plane
- shells
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- 239000002828 fuel tank Substances 0.000 claims abstract description 170
- 239000003921 oil Substances 0.000 claims abstract description 142
- 239000000446 fuel Substances 0.000 claims abstract description 44
- 239000010763 heavy fuel oil Substances 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims description 34
- 229910000838 Al alloy Inorganic materials 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 16
- 238000005755 formation reaction Methods 0.000 claims description 16
- 239000000295 fuel oil Substances 0.000 claims description 14
- 229920001971 elastomer Polymers 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000003208 petroleum Substances 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 6
- 239000010705 motor oil Substances 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 4
- 239000000346 nonvolatile oil Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000575 pesticide Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 208000020442 loss of weight Diseases 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 229920003225 polyurethane elastomer Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000016261 weight loss Diseases 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 1
- 230000003698 anagen phase Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000034303 cell budding Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D37/00—Arrangements in connection with fuel supply for power plant
- B64D37/02—Tanks
- B64D37/06—Constructional adaptations thereof
- B64D37/08—Internal partitioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D37/00—Arrangements in connection with fuel supply for power plant
- B64D37/005—Accessories not provided for in the groups B64D37/02 - B64D37/28
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D37/00—Arrangements in connection with fuel supply for power plant
- B64D37/02—Tanks
- B64D37/14—Filling or emptying
- B64D37/16—Filling systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D37/00—Arrangements in connection with fuel supply for power plant
- B64D37/02—Tanks
- B64D37/14—Filling or emptying
- B64D37/20—Emptying systems
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention relates to an oil tank for an unmanned aerial vehicle, wherein an oil filling port is positioned at the upper left part of the oil tank; the vent hole is positioned at the top of the oil tank and communicated with the atmosphere through the vent pipe and the three-way adapter piece; the oil delivery port is positioned at the bottom of the oil tank and is communicated with each oil tank through an oil delivery pipe; the fuel supply port is positioned at the bottom of the fuel tank and supplies fuel to the engine through the fuel filter and the fuel pump; the oil return port is positioned at the rear upper part of the oil tank and used for recovering the residual fuel oil of the engine; the oil mass measuring port is positioned at the middle upper part of the oil tank; the oil drain is positioned at the middle lower part of the oil tank and used for installing an oil drain switch; the lug is located the oil tank all around, and it is obvious that this application subtracts heavy effect, and this will make unmanned aerial vehicle that engine power is the same have bigger payload, and this is and important to unmanned aerial vehicle's usability, and battle type unmanned aerial vehicle can carry more weapons or fuel, and unmanned aerial vehicle can carry more pesticides or seeds for the agricultural, and aerial photography survey and drawing unmanned aerial vehicle can carry more fuel etc..
Description
Technical field
The present invention relates to field of aerospace technology, is a kind of unmanned plane fuel tank specifically.
Background technology
Since the 1930s, the development and use of unmanned plane have had more than the history of 90 years.It experienced for 20th century
Very long budding period and after fermenting the phase, unmanned plane welcomes the fast growth phase at the beginning of 21 century, and is progressively extended from military domain
Civil area is arrived.Nowadays, civilian unmanned plane emergency management and rescue, environment measuring, power-line patrolling, mapping of taking photo by plane, parcel send with charge free,
The multiple fields such as agricultural plant protection are used widely.World's second largest market survey consulting firm Marketsand Markets recognize
For the year two thousand twenty whole world SUAV market scale is up to 1,900,000,000 dollars；Market research agency ABI Research are predicted, are arrived
2019, the SUAV market scale of commercial use was up to 5,100,000,000 dollars；Lux Research point out, commercialization in 2025
Unmanned plane market scale is up to 1,700,000,000 dollars.
The unit that China is engaged in unmanned plane industry has family more than 300, and wherein scale, which compares large enterprises, 160 or so, is formed
Comprehensive research and development, manufacture, sale and service system.At present grind and unmanned type up to hundreds of, it is small-sized
Unmanned air vehicle technique is progressively ripe, and strategic unmanned plane has been taken a flight test, and also many successes have fired air-to-ground guided missile for adjustment to attack unmanned plane.With nothing
Man-machine development, the high speed development of especially civilian unmanned plane, people will focus more on cost, lead time and the property of unmanned plane
It can wait, only cost-effective product can just win more clients, and the only short lead time can just get caught up in entering for technology
Step.In unmanned plane, fuel oil is one of necessary and important part, its weight, sealing, cost and manufacturing cycle etc. all to nothing
Man-machine important.
And in existing unmanned sump, either integral tank or split fuel tank can not all take into account weight and sealing,
The problem of cost and lead time.Although integral tank serves loss of weight and acted on, but poor sealing performance, easily reveals,
Leak source position difficulty is detected, it is serious to restrict using and repairing for unmanned plane；Split fuel tank weight is big, hard oil case especially therein
So that unmanned plane weight is significantly increased, although traditional soft tank serves certain loss of weight effect, its manufacturing cycle compared with
Long, the fixed complexity of installation, weight loss effect are general.
Based on this, present application is made.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of unmanned plane fuel tank.It is existing in order to overcome
Drawbacks described above present in fuel tank, the present invention provide a kind of in light weight, good seal, the fixed nothing simple, the lead time is short of installation
It is man-machine to use polyurethane elastomer rubber fuel tank.Compared with traditional unmanned plane integral tank, sealing property is greatly improved, repaired
Change simple and convenient；Compared with traditional unmanned plane is with split fuel tank, weight is lighter, cost is lower, the lead time is shorter, installation
Fixation is simpler.
The purpose of the present invention is achieved through the following technical solutions：
A kind of unmanned plane fuel tank, it includes fuel tank shell, oil filler, blow vent, breather pipe, threeway adaptor, oil transportation
Mouth, petroleum pipeline, oil-feed port, oil return opening, oil measurement mouth, fuel outlet and hanger；
Oil filler is located at fuel tank upper left quarter, and suitable for gravity oiling, outfield can use nozzle (six points of rifles, one-inch rifle
With the rifle of one-inch half) refueled；Blow vent is located at top of oil-tank, through breather pipe and threeway adaptor and atmosphere；Oil transportation mouth
Positioned at tank bottoms, each fuel tank is connected through petroleum pipeline；Oil-feed port is located at tank bottoms, by fuel filter and fuel pump by fuel oil
Supply engine；Oil return opening is located at fuel tank upper back, for reclaiming engine residual fuel oil；On oil measurement mouth is located in fuel tank
Portion, for installing fuel-quantity transducer, measure remaining fuel of fuel tank；Fuel outlet is located at fuel tank middle and lower part, for installing oil drain cock,
Fuel Remained and precipitation can be discharged；Hanger is located at fuel tank surrounding, for installing fixed oil tank.
Further, as preferred：
Described fuel tank shell is divided into 1# fuel tank shells, 2# fuel tank shells, 3# fuel tank shells, 4# fuel tank shells, by fuel tank
Housing is split, and is separated by by housing construction between fuel tank housing parts, and housing construction can be as the outside wallboard of fuel tank shell, can be with
Fuel tank shell is set to meet intensity requirement, moreover it is possible to reduce the surge phenomenon of fuel oil.It is more highly preferred to, on described 4# fuel tank shells point
Lower two parts, bottom can be used as consumption fuel tank, by oil transportation mouth consumption fuel tank can be made to be communicated with other fuel tank housing parts, by putting
Hydraulic fluid port can discharge fuel oil with precipitation, be engine oil by oil-feed port, can so reduce in fuel tank not using combustion
Oil, improve fuel utilization ratio.
Described oil filler and 1# fuel tank shell global formations, simplify connection, are advantageous to seal.It is more highly preferred to, refuels
The embedded aluminium alloy oil filler insert with rolling slope, improves the bonding strength and sealing property of oil filler, is easy to refuel in mouthful
Shi Jinhang is grounded；Clamped on the outside of oil filler with stainless steel cassette tape, further strengthen sealing；Oil filler position is to the left, shortens and refuels
Distance, personnel are facilitated to refuel.
Described blow vent can be divided into three, respectively with 1# fuel tank shells, 2# fuel tank shells and 3# fuel tank shells integral into
Type, three blow vents are connected by more breather pipes and two threeway adaptors with the air inlet on body covering, maintain fuel tank
Internal pressure.Be more highly preferred to, ventilation open height not less than 36mm, (can be according to the unmanned plane maximum angle of pitch in the aircraft plane of symmetry
Degree calculates), prevent unmanned plane fuel oil under various flight attitudes from being flowed out from blow vent.
Described breather pipe and petroleum pipeline are managed using the PU or TPU of standard specification, can be shortened the manufacturing cycle, be reduced cost
With reduction weight.
Described threeway adaptor uses standard component of the material for brass, can shorten the manufacturing cycle, reduce cost and subtract
Few weight.
Described oil transportation mouth and fuel tank shell global formation, are respectively arranged in the front, rear, left and right of fuel tank bottom, so have
Beneficial to unmanned plane to consume fuel tank oil transportation under various flight attitudes, when preventing extreme flight attitude, consumption fuel tank lacks fuel oil,
Can not supply engine, cause to be difficult to the loss retrieved.
Described oil-feed port and consumption fuel tank global formation, divide left and right two, are advantageous to unmanned plane in various flight attitudes
It is engine oil down.
Described oil return opening and 3# fuel tank global formations, positioned at fuel tank back upper place, close to engine, shorten oil return distance.
Described blow vent, oil transportation mouth, oil-feed port and oil return opening, can interior band in order to strengthen connection and sealing effect
The aluminium alloy adaptor on slope is rolled, outside is clamped with clip.
Described oil measurement mouth and fuel outlet, fuel-quantity transducer and oil drain cock pass through the corresponding position inside fuel tank shell
The aluminium alloy installation base of placement, rubber seal are connected with fuel tank shell.It is more highly preferred to, described fuel-quantity transducer, puts
The outside wallboard (part for housing construction) of fuel tank shell can be placed between oil circuit breaker and fuel tank shell, further strengthens oil
Quantity sensor and oil drain cock are connected.
Described hanger and fuel tank shell global formation, are connected with housing construction by tied rope, play support fixation.
It is more highly preferred to, when unmanned plane load is small, when motor-driven few, can be consolidated fuel tank shell and body instead of hanger using VELCRO
It is fixed.
The present invention operation principle be：Fuel tank is connected by the hanger of fuel tank shell surrounding with body, by fuel tank shell outside
The panel support fuel tank of side, during UAV Maneuver flight, power is transmitted to fuel tank shell by the fluid rocked, is then transmitted to again by housing
Wallboard, power is finally distributed to body by wallboard.When unmanned plane refuels, operating personnel first connect the aluminium alloy insert of oil filler
Ground, refueled using oil gun or oil pipe through oil filler toward fuel tank the inside.During unmanned plane during flying, air enters fuel tank through blow vent, dimension
It is stable to hold fuel tank internal pressure；The fuel oil of each fuel tank is transported to consumption fuel tank by oil transportation mouth；Fuel pump extracts fuel oil from oil-feed port out,
Fuel oil is set to provide power through fuel filter, oil pump, fuel feed pump to engine for unmanned plane during flying；Oil return opening is by engine residual
Fuel oil is recovered in fuel tank, saving fuel oil；Fuel-quantity transducer and should calculate remaining fuel of fuel tank by oil measurement mouthfeel, by number
According to airborne computer is transmitted to, after airborne computer processing data, signal is transmitted to by earth station by antenna, calculated for earth station surplus
Remaining flight time etc., prevent oil-free accident from occurring.When unmanned plane is drained the oil, operating personnel by Fuel Remained and are sunk by oil drain cock
Form sediment discharge fuel tank.
Compared with prior art, the positive effect of the present invention is：
(1) the application weight loss effect is obvious.Compared to hard oil case (aluminium alloy) loss of weight more than 80%, compared to soft tank loss of weight
More than 40%, this will cause engine power identical unmanned plane to have bigger payload, this usability for unmanned plane
It is and its important that combat unmanned plane can carry more weapons or fuel oil, agricultural unmanned plane can carry more agricultural chemicals
Or seed, mapping unmanned plane of taking photo by plane can carry more multiple fuel etc.
(2) sealing effectiveness of the application is excellent, is easy to fixed, maintenance and changes.The various interfaces of the application and fuel tank shell
Body global formation, enjoyable cooperation is realized by embedded metal adaptor and clip between interface and pipeline, sealing property is much
Better than integral tank and the split fuel tank of welding；The application is connected by hanger with body, is easy to fixed, maintenance and dismounting more
Change.
(3) cost of the application is low, the lead time is short.Oil tank material is cheap, makes simply, and the duration is of short duration, can batch
Production, can also make Special fuel tank using such material, meet the requirement of all kinds of aircraft.
The application is the fuel tank made of polyurethane elastomer rubber, attractive in appearance, in light weight, good seal performance, be easy to it is fixed,
Maintenance and replacing, cost is low, and the lead time is short, can do Special fuel tank, can meet airtight, pressure and strength test.
Brief description of the drawings
Fig. 1 is the shaft side figure of the application；
Fig. 2 is the upward view of the application；
Fig. 3 is the oil filler partial view of the application；
Fig. 4 is the blow vent sectional view of the application (oil transportation mouth, oil-feed port and oil return opening are similar)；
Fig. 5 is the oil measurement mouth profile of the application (oil drain cock mounting means is similar).
Label in figure：
Fig. 1 and Fig. 2 labels are as follows：1# fuel tank shells；2.2# fuel tank shell；3.3# fuel tank shell；4.4# fuel tank shell；5.
Oil filler；6. blow vent；7. threeway adaptor；8. oil measurement mouth；9. breather pipe；10. oil return opening；11. hanger；12. oil transportation
Pipe；13. oil transportation mouth；14. fuel outlet；15. oil-feed port.
Fig. 3 labels are as follows：5-1. fuel door；Aluminium alloy oil filler inserts of the 5-2. with rolling slope；5-3. oil fillers are (with 1#
Fuel tank shell global formation)；5-4. stainless steel cassette tapes.
Fig. 4 labels are as follows：Aluminium alloy adaptors of the 6-1. with rolling slope；(three blow vents are respectively at 1# oil for 6-2. blow vents
Tank shell, 2# fuel tank shells, 3# fuel tank shells global formation)；6-3. stainless steel lathe dog.
Fig. 5 labels are as follows：8-1. hex bolts；8-2. spring washer；8-3. fuel-quantity transducers (outsourcing finished product)；8-4. rubber
Glue sealing ring；8-5.2# wallboard on the outside of fuel tank shell；At the top of 8-6.2# fuel tank shells；8-7. aluminium alloy installation bases.
Embodiment
A kind of embodiment of unmanned plane fuel tank of the present invention presented below.
Embodiment 1
Refer to accompanying drawing, a kind of unmanned plane fuel tank, with reference to shown in Fig. 1 and Fig. 2, by 1# fuel tank shells 1,2# fuel tank shells
2nd, 3# fuel tank shells 3,4# fuel tank shells 4, oil filler 5, blow vent 6, threeway adaptor 7, oil measurement mouth 8, breather pipe 9, return
Hydraulic fluid port 10, hanger 11, petroleum pipeline 12, oil transportation mouth 13, fuel outlet 14 and oil-feed port 15 are formed.Oil filler 5 is located at fuel tank upper left quarter,
With the global formation of 1# fuel tank shells 1, oil gun or oil pipe can be used to refuel；Blow vent 6 is located at top of oil-tank, respectively with 1# fuel tanks
Housing 1,2# fuel tank shells 2, the global formation of 3# fuel tank shells 3, through threeway adaptor 7 and breather pipe 9 and atmosphere；Oil transportation mouth
13 are located at tank bottoms, respectively with the fuel tank shell global formation being each connected, connect each fuel tank shell through petroleum pipeline 12, most
Consumption fuel tank (bottom of 4# fuel tank shells 4) oil transportation is given eventually；Oil-feed port 15 is located at tank bottoms, and the global formation of 4# fuel tank shells 4,
The fuel delivery engine that will be consumed by fuel filter and fuel pump in fuel tank；Oil return opening 10 is located at the upper back of 3# fuel tank shells 3,
With the global formation of 3# fuel tank shells 3, for reclaiming engine residual fuel oil；On oil measurement mouth 8 is located in 2# fuel tank shells 2
Portion, for installing fuel-quantity transducer, measure remaining fuel of fuel tank；Fuel outlet 14 is located at the middle and lower part of 4# fuel tank shells 4, for installing
Oil drain cock, Fuel Remained and precipitation can be discharged；Hanger 11 is located at fuel tank surrounding, whole with the fuel tank shell being each connected respectively
Body formed, fuel tank shell passes through tied rope, hanger 11 and 1# fuel tank shells 1,2# fuel tank shells 2,3# fuel tank shells 3 and 4# fuel tank shells
The wallboard (part for housing construction) in the outside of body 4 is connected, for installing fixed oil tank.
As shown in figure 3, oil filler (with 1# fuel tank shells global formation) 5-3 positions are to the left, shorten oiling distance, facilitate people
Member refuels, aluminium alloy oil filler insert 5-2 of the inner side insertion with rolling slope, improves the bonding strength and sealing property of oil filler,
It is easy to be grounded when refueling；Outside is clamped with stainless steel cassette tape 5-4, further strengthens sealing；After filling it up with oil, by fuel door 5-
1 is screwed into in the aluminium alloy oil filler insert 5-2 with rolling slope, sealing.
Blow vent, oil transportation mouth, oil-feed port and oil return opening, in order to strengthen connection and sealing effect, can in band rolling slope
Aluminium alloy adaptor, outside are clamped with clip.Typical case's connection is as shown in figure 4, embedded with the aluminium alloy for rolling slope on the inside of blow vent 6-2
Adaptor 6-1, outside are clamped with stainless steel lathe dog 6-3.
Typical case's connection of fuel-quantity transducer and oil drain cock is as shown in Figure 5, be followed successively by from top to bottom fuel-quantity transducer 8-3,
8-6, rubber seal 8-4 and aluminium alloy are pacified at the top of wallboard 8-5,2# fuel tank shells on the outside of rubber seal 8-4,2# fuel tank shell
Boss 8-7 is filled, by hex bolts 8-1, spring washer 8-2 and aluminium alloy installation base 8-7 blind threaded connection, is strengthened
The sealing being connected with oil measurement mouth of fuel-quantity transducer.
The process and method that it designs and prepared are as follows：
1# fuel tank shells 1,2# fuel tank shells 2,3# oil are determined according to the load of fuel tank, the space of housing construction and fuel load
The wall thickness and size of tank shell 3 and 4# fuel tank shells 4；The size of oil filler 5 is determined according to the size of oil gun, oil pipe, according to people
The spatiality and convenience of member's operation determine the position of oil filler 5；The position of blow vent 6, oil transportation mouth 13 is determined according to flight attitude
Put；The position of oil-feed port 15 on fuel tank, oil return opening 10 is determined according to the position of flight attitude, engine oil inlet mouth and oil return opening,
Length of pipe should be made minimum on the premise of ensureing to fly；The size of oil return opening 10 is determined according to the recirculating oil quantity of engine；According to
Engine determines the size of oil-feed port 15 and oil transportation mouth 13 to the demand of fuel oil；According to flying speed and fuel pump to oil pressure
Demand, and the size of reference oil-feed port 15 determines the size of blow vent 6 (the section flow of the two should be roughly the same)；According to oil mass
Sensor, the size of oil drain cock and operation principle determine oil measurement mouth 8, the size of fuel outlet 14 and position respectively；Pass through
Blow vent 6, the size and number of oil transportation mouth 13 determine breather pipe 9, petroleum pipeline 12, the size and number of threeway adaptor 7；According to
Wallboard on the outside of fuel tank load, fuel tank shell determines the position of hanger 11, size and number.
Fuel door 5-1, aluminium alloy oil filler insert 5-2, stainless steel card with rolling slope are determined according to the size of oil filler 5
Size with 5-4；Determined according to the size of oil filler 5, blow vent 6, oil return opening 10, oil transportation mouth 13 and oil-feed port 15 corresponding
The size of aluminium alloy adaptor (such as 6-1) and stainless steel lathe dog (such as 6-3) with rolling slope.According to fuel-quantity transducer and oil drain cock
Size, load determine hex bolts (such as 8-1), spring washer (such as 8-2), rubber seal (such as 8-4), aluminium alloy installation it is convex
The size or specification of platform (such as 8-7).
1# fuel tank shells 1,2# fuel tank shells 2,3# fuel tank shells 3,4# fuel tank shells 4, oil filler 5, blow vent 6, oil mass
Measure mouth 8, oil return opening 10, hanger 11, oil transportation mouth 13, fuel outlet 14 and oil-feed port 15 using elastic polyurethane body rubber integral into
Type, is welded using the thermoplasticity of elastic polyurethane body rubber, is needed for installing fuel-quantity transducer and draining the oil before welding
The aluminium alloy installation base (such as 8-7) of switch is placed in advance in inside fuel tank shell；After welding, heated and softened with heat gun various
Hydraulic fluid port and blow vent, the aluminium alloy oil filler insert 5-2 with rolling slope, the aluminium alloy adaptor (such as 6-1) with rolling slope are screwed into
Corresponding hydraulic fluid port and blow vent, then outside stainless steel cassette tape 5-4, stainless steel lathe dog (such as 6-3) clamp, strengthen sealing and
Connection.When fuel-quantity transducer is installed, fuel-quantity transducer 8-3, rubber seal 8-4,2# are sequentially placed by order from top to bottom
Wallboard 8-5,2# fuel tank shells top 8-6, rubber seal 8-4 and aluminium alloy installation base 8-7, Ran Houtong on the outside of fuel tank shell
Cross hex bolts 8-1, spring washer 8-2 and aluminium alloy installation base 8-7 blind threaded connection.The connected mode of oil drain cock
It is similar.The band that finally breather pipe 9, petroleum pipeline 12 are connected in corresponding blow vent 6, oil transportation mouth 13 using heat gun rolls slope
On aluminium alloy adaptor (such as 6-1).
Aluminium alloy installation base (such as 8-7) is that homemade 7050-T7451 aluminium alloys add part；Threeway adaptor 7 can be selected
The standard component of brass material；Breather pipe 9, petroleum pipeline 12 cut into the length of demand using the PU pipes of standard specification；Refuel
Cover 5-1, aluminium alloy oil filler insert 5-2, stainless steel cassette tape 5-4, aluminium alloy adaptor (such as 6-1), stainless steel with rolling slope
Corresponding rule can be selected in clip (such as 6-3), hex bolts (such as 8-1), spring washer (such as 8-2) and rubber seal (such as 8-4)
The standard component or finished parts of lattice.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, without departing from the inventive concept of the premise, can also make some improvements and modifications, these improvements and modifications also should be regarded as
In protection scope of the present invention.
Claims (10)
1. a kind of unmanned plane fuel tank, it is characterised in that it includes fuel tank shell, oil filler, blow vent, breather pipe, threeway turn
Fitting, oil transportation mouth, petroleum pipeline, oil-feed port, oil return opening, oil measurement mouth, fuel outlet and hanger；
Oil filler is located at fuel tank upper left quarter；Blow vent is located at top of oil-tank, through breather pipe and threeway adaptor and atmosphere；It is defeated
Hydraulic fluid port is located at tank bottoms, and each fuel tank is connected through petroleum pipeline；Oil-feed port is located at tank bottoms, will by fuel filter and fuel pump
Fuel delivery engine；Oil return opening is located at fuel tank upper back, for reclaiming engine residual fuel oil；Oil measurement mouth is located at fuel tank
Middle and upper part, for installing fuel-quantity transducer, measure remaining fuel of fuel tank；Fuel outlet is located at fuel tank middle and lower part, is drained the oil for installing
Switch；Hanger is located at fuel tank surrounding, for installing fixed oil tank.
2. a kind of unmanned plane fuel tank as claimed in claim 1, it is characterised in that the fuel tank shell stated is divided into 1# fuel tank shells
Body, 2# fuel tank shells, 3# fuel tank shells, 4# fuel tank shells, fuel tank shell is split, and passes through housing construction between fuel tank housing parts
It is separated by, outside wallboard of the housing construction as fuel tank shell.
A kind of 3. unmanned plane fuel tank as claimed in claim 2, it is characterised in that described 4# fuel tank shells point two up and down
Point, bottom makes consumption fuel tank be communicated with other fuel tank housing parts, is discharged and fired by fuel outlet as consumption fuel tank by oil transportation mouth
Oil and precipitation, be engine oil by oil-feed port, reduce in fuel tank not using fuel oil, raising fuel utilization ratio.
4. a kind of unmanned plane fuel tank as claimed in claim 1, it is characterised in that described oil filler and 1# fuel tank shells are whole
It is body formed, the embedded aluminium alloy oil filler insert with rolling slope in oil filler；Clamped, entered with stainless steel cassette tape on the outside of oil filler
One step strengthens sealing；Oil filler position is to the left.
A kind of 5. unmanned plane fuel tank as claimed in claim 1, it is characterised in that described blow vent can be divided into three, point
More breather pipes and two are not passed through with 1# fuel tank shells, 2# fuel tank shells and 3# fuel tank shell global formations, three blow vents
Threeway adaptor is connected with the air inlet on body covering, maintains fuel tank internal pressure.
6. a kind of unmanned plane fuel tank as claimed in claim 5, it is characterised in that ventilation open height is not less than 36mm and is located at
In the aircraft plane of symmetry, prevent unmanned plane fuel oil under various flight attitudes from being flowed out from blow vent.
7. a kind of unmanned plane fuel tank as claimed in claim 1, it is characterised in that described oil transportation mouth is overall with fuel tank shell
Shaping, is respectively arranged in the front, rear, left and right of fuel tank bottom.
8. a kind of unmanned plane fuel tank as claimed in claim 1, it is characterised in that described oil-feed port and consumption fuel tank are overall
Shaping, is divided to left and right two, it is engine oil under various flight attitudes to be advantageous to unmanned plane.
A kind of 9. unmanned plane fuel tank as claimed in claim 1, it is characterised in that described oil return opening and 3# fuel tanks integral into
Type, positioned at fuel tank back upper place, close to engine, shorten oil return distance.
A kind of 10. unmanned plane fuel tank as claimed in claim 1, it is characterised in that described oil measurement mouth and fuel outlet,
Fuel-quantity transducer and oil drain cock by corresponding position is placed inside fuel tank shell aluminium alloy installation base, rubber seal with
Fuel tank shell is connected；The outside wallboard of fuel tank shell is placed between fuel-quantity transducer, oil drain cock and fuel tank shell, is further added
Strong fuel-quantity transducer and oil drain cock are connected；
Described hanger and fuel tank shell global formation, are connected with housing construction by tied rope, play support fixation；More
Preferably, when unmanned plane load is small, when motor-driven few, fuel tank shell and body can be fixed instead of hanger using VELCRO.
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| CN201710704363.7A CN107336838B (en) | 2017-08-17 | 2017-08-17 | Unmanned aerial vehicle oil tank |
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| CN201710704363.7A CN107336838B (en) | 2017-08-17 | 2017-08-17 | Unmanned aerial vehicle oil tank |
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| CN107336838B CN107336838B (en) | 2023-11-14 |
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| CN110239725A (en) * | 2019-05-29 | 2019-09-17 | 陕西飞机工业（集团）有限公司 | A kind of aircraft detachable constant temperature anti-shake vibration oil tank |
| CN110525667A (en) * | 2019-08-14 | 2019-12-03 | 湖南航天宏图无人机系统有限公司 | A kind of unmanned plane fuel tank |
| CN110761900A (en) * | 2019-10-12 | 2020-02-07 | 中航通飞研究院有限公司 | Nacelle structural type lubricating oil tank |
| CN112455703A (en) * | 2021-01-06 | 2021-03-09 | 山东航空股份有限公司 | Device and method for mixing oil between airplanes |
| CN112537456A (en) * | 2020-11-24 | 2021-03-23 | 中电科芜湖通用航空产业技术研究院有限公司 | Modular aircraft tank subassembly and aircraft |
| CN113492998A (en) * | 2021-01-15 | 2021-10-12 | 西北工业大学 | Experimental device and experimental method for simulating projectile multi-angle impact of aircraft fuel tank |
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| CN113492998B (en) * | 2021-01-15 | 2023-09-01 | 西北工业大学 | Experimental device and experimental method for simulating multi-angle impact of projectile on fuel tank of aircraft |
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