CN110407151A - The air-refueling device of high security - Google Patents

The air-refueling device of high security Download PDF

Info

Publication number
CN110407151A
CN110407151A CN201910736801.7A CN201910736801A CN110407151A CN 110407151 A CN110407151 A CN 110407151A CN 201910736801 A CN201910736801 A CN 201910736801A CN 110407151 A CN110407151 A CN 110407151A
Authority
CN
China
Prior art keywords
filling pipe
oil
oil filling
air
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910736801.7A
Other languages
Chinese (zh)
Other versions
CN110407151B (en
Inventor
丁乃祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201910736801.7A priority Critical patent/CN110407151B/en
Publication of CN110407151A publication Critical patent/CN110407151A/en
Application granted granted Critical
Publication of CN110407151B publication Critical patent/CN110407151B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/04Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06Details or accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06Details or accessories
    • B67D7/38Arrangements of hoses, e.g. operative connection with pump motor
    • B67D7/40Suspending, reeling or storing devices
    • B67D7/406Suspending, reeling or storing devices the hose carrier comprising a pivoting unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Abstract

The present invention relates to a kind of air-refueling devices of high security, belong to aerospace field, including oil filling pipe, pipe device is put in the setting of oil filling pipe upper end, oil filler is arranged in oiling pipe end, and air flow regulator is arranged in oil filling pipe tail portion, and oil-receiving device is arranged on the empennage top of refueled aircraft.Oil filler is located at the fuel charger back lower place, the accident that knocks into the back and scratch is less likely to occur, and wing plate is provided on oil filling pipe, wing plate can be adjusted according to airflow direction and size, so that oil filling pipe is stablized, oiling tube end can also be made to pull open the vertical range with fuel charger as far as possible on the lower by adjusting wing plate simultaneously.

Description

The air-refueling device of high security
Technical field
The present invention relates to a kind of air-refueling devices of high security, belong to aerospace field.
Background technique
Air refuelling technology is awing to supplement the technology of fuel to other aircrafts or helicopter by fuel charger, can be with The cruising ability for significantly improving fighter plane has extremely important support effect in strategic or tactical air unit fights. Modern wireless air fuel charger and its air refuelling technology have become the important measures of enhancing air arm's maneuverability and striking capabilities, by To the great attention of countries in the world.
Tanker refuelling system divides one conical tube type of hose (referred to as soft) and telescoping tube type (referred to as rigid) two major classes, hard pipe type Occupied space is big, and length is small, inconvenient to use also dangerous, so generally using hose type now.But hose type The problem of oiling mode maximum is that hose can be swung with air-flow, causes fighter plane docking difficult, while due also to air-flow influence, The oil filler of hose can be swung at fuel charger rear, and for fighter plane when catering to oil filler, fighter plane is with fuel charger almost same It on straight line, therefore is easy to happen and knocks into the back and scratch accident, cause great security risk.
Summary of the invention
According to the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is providing a kind of high security Air-refueling device, oil filler are located at the fuel charger back lower place, it is not easy to knock into the back and scratch accident, and be arranged on oil filling pipe There is wing plate, wing plate can be adjusted according to airflow direction and size, so that oil filling pipe is stablized, while can also be by adjusting wing plate So that oiling tube end as far as possible on the lower, pulls open the vertical range with fuel charger.
Pipe device is put in the air-refueling device of high security of the present invention, including oil filling pipe, the setting of oil filling pipe upper end, Oil filler is arranged in oiling pipe end, and air flow regulator is arranged in oil filling pipe tail portion, is arranged on the empennage top of refueled aircraft and is filled by oil It sets.
Putting pipe device includes pipe crimping, and oil filling pipe upper end is connected to pipe crimping, and oil filling pipe is connect by sealing with oil pump;Including from Moving gear A, driven gear A are mounted on the bottom opening edge of fuel charger, fix expansion plate on driven gear A, driven gear A with Driving gear A engagement, driving gear A are coaxially fixed in motor A shaft, and motor is fixed on fuel charger, and telescopic rod end is solid Determine Y shape crotch.
The course of work and effect for putting pipe device are: starting motor A, motor A drive driving gear A rotation, driving gear A Driven gear A rotation is driven, driven gear A drives expansion plate rotation, the expansion plate of oil filler is opened, oil filling pipe is facilitated to put Pipe, then oil filling pipe is put down in pipe crimping rotation, and fuel oil is by carrying out refueling operation after pipe crimping and oil filling pipe;Expansion plate elongation, simultaneously Oil filling pipe is stuck at fork folder, and fork folder fixes oil filling pipe position, and simultaneous retractable plate pushes oil filling pipe as far as possible, in addition the tune of wing plate Section effect, increases the vertical range between fuel charger and refueled aircraft, reduces the probability for knocking into the back and scratching;After oiling, pipe crimping Oil filling pipe is rolled storage by rotation, and expansion plate is withdrawn, and motor A is rotated backward so that the sheet reset that stretches, by fuel charger bottom opening It blocks.
Air flow regulator includes shell, and shell is fixed on oil filling pipe tail end, rotating block, rotating block tail portion is arranged in shell To be arc-shaped, tooth is arranged in edge, and rotating block is hinged in shell, and hinged place is the center of circle of arc-shaped rotating block tail portion, rotation Gear B, the tooth engagement of gear B and rotating block tail portion is arranged in block tail portion, and gear B is coaxially fixed in the shaft of longitudinal motor B, turns Rotating bar is set in motion block, tooth is set in rotating bar, tooth is arranged in the shaft of cross motor B in rotating block built-in transverse motor B, The shaft of cross motor B is engaged with rotating bar, rotates boom end fixed-wing plate, longitudinal motor B and cross motor B and control system Connection.
The course of work and effect of air flow regulator are: longitudinal motor A drives gear B rotation, and gear B drives rotating block It longitudinally rotates, and then adjusts longitudinally rotating for wing plate;Cross motor B rotation drives wing plate rotation.Longitudinal motor B and cross motor B is controlled by control system, and the rotational angle of wing plate is adjusted according to air-flow, so that oil filling pipe is held down surely as far as possible It is fixed, be conducive to refueled aircraft and docked with oil filler.
Air flow regulator is two, is symmetrically distributed in oil filling pipe tail end two sides, two wing plates are adjusted simultaneously, so that wind pressure Uniformly, oil filling pipe is more stable.
Oil-receiving device includes extension sleeve, and extension sleeve includes inner barrel and outer barrel, and inner cylinder lower edge turns up, outer cylinder top edge Varus, forms a confined space between inner cylinder flanging and outer cylinder in-flanges, be arranged through-hole on the barrel of outer cylinder top, through-hole with Oil pump connection, inner cylinder is interior to be arranged hose, and hose upper end is connected by hydraulic fluid port.
By hydraulic fluid port in horn-like, it is arranged forward by hydraulic fluid port, it is convenient to be docked with oil filler.
Inner cylinder top edge is turned up, and plays restriction effect to outer cylinder, inner barrel and outer barrel is prevented to be detached from.
The course of work and effect of oil-receiving device are: oil-receiving device is arranged on the empennage of refueled aircraft, empennage position itself Relatively high, which further increases the vertical heights of refueled aircraft and fuel charger.Pump start will be between inner cylinder and outer cylinder Oil liquid in confined space is taken out, and such inner cylinder drives hose to rise, and then drives and risen by hydraulic fluid port, and will be by oil by hydraulic cylinder Mouth forward, further increases the vertical height of refueled aircraft and fuel charger.After oiling, hydraulic cylinder will be resetted by hydraulic fluid port, oil Oil liquid is pumped into the confined space of inner cylinder and outer cylinder by pump, and oil liquid supports confined space greatly, so that inner cylinder decline retraction resets.
Compared with the prior art, the invention has the beneficial effects that:
The air-refueling device of high security of the present invention, expansion plate are opened and are extended, while oil filling pipe is stuck in fork At folder, fork folder fixes oil filling pipe position, and simultaneous retractable plate pushes oil filling pipe as far as possible, increases between fuel charger and refueled aircraft Vertical range reduces the probability for knocking into the back and scratching.Longitudinal motor B and cross motor B is controlled by control system, the rotation of wing plate Angle is adjusted according to air-flow, keeps stablizing so that oil filling pipe pushes, is conducive to refueled aircraft and docks with oil filler.Refueled aircraft Pump start extracts the oil liquid in the confined space between inner cylinder and outer cylinder out, and such inner cylinder drives hose to rise, and then drives Risen by hydraulic fluid port, further increases the vertical height of refueled aircraft and fuel charger.
Detailed description of the invention
Fig. 1 is schematic diagram of the embodiment of the present invention;
Fig. 2 is embodiment illustrated in fig. 1 C portion partial enlarged view;
Fig. 3 is embodiment illustrated in fig. 1 part B partial enlarged view;
Fig. 4 is embodiment illustrated in fig. 1 part A partial enlarged view.
In figure: 1, fuel charger;2, refueled aircraft;3, oil filling pipe;4, by hydraulic fluid port;5, inner cylinder;6, outer cylinder;7, hose;8, oil pump; 9, shell;10, rotating block;11, wing plate;12, driving gear A;13, motor A;14, expansion plate;15, crotch;16, pipe crimping;17, Driven gear A;18, gear B;19, longitudinal motor B;20, cross motor B;21, rotating bar.
Specific embodiment
The embodiment of the present invention is described further with reference to the accompanying drawing:
As Figure 1-Figure 4, the air-refueling device of high security of the present invention, including oil filling pipe 3, oil filling pipe 3 Pipe device is put in upper end setting, and oil filler is arranged in 3 end of oil filling pipe, and air flow regulator is arranged in 3 tail portion of oil filling pipe, in refueled aircraft 2 Empennage top be arranged oil-receiving device.
Putting pipe device includes pipe crimping 16, and 3 upper end of oil filling pipe is connected to pipe crimping 16, and oil filling pipe 3 passes through sealing bearing and oil pump 8 Connection;Including driven gear A17, driven gear A17 is mounted on the bottom opening edge of fuel charger 1, fixes on driven gear A17 Expansion plate 14, driven gear A17 are engaged with driving gear A12, and driving gear A12 is coaxially fixed in motor A13 shaft, motor It is fixed on fuel charger 1, the fixed Y shape crotch 15 of telescopic rod end.
The course of work and effect for putting pipe device are: starting motor A13, motor A13 drives driving gear A12 rotation, main Moving gear A12 drives driven gear A17 rotation, and driven gear A17 drives expansion plate 14 to rotate, facilitates oil filling pipe 3 to put pipe, then Oil filling pipe 3 is put down in the rotation of pipe crimping 16, and fuel oil is by carrying out refueling operation after pipe crimping 16 and oil filling pipe 3;Expansion plate 14 extends, simultaneously Oil filling pipe 3 is stuck at fork folder, and fork folder fixes 3 position of oil filling pipe, and simultaneous retractable plate 14 pushes oil filling pipe 3 as far as possible, in addition the wing The adjustment effect of plate 11 increases the vertical range between fuel charger 1 and refueled aircraft 2, reduces the probability for knocking into the back and scratching;Refuel knot Oil filling pipe 3 is rolled storage by Shu Hou, the rotation of pipe crimping 16, and expansion plate 14 is withdrawn, and motor A13 is rotated backward so that expansion plate 14 is multiple Position blocks 1 bottom opening of fuel charger.
Air flow regulator includes shell 9, and shell 9 is fixed on 3 tail end of oil filling pipe, rotating block 10, rotation are arranged in shell 9 10 tail portion of block be it is arc-shaped, tooth is arranged in edge, and rotating block 10 is hinged in shell 9, and hinged place is arc-shaped 10 tail of rotating block The center of circle in portion, 10 tail portion of rotating block setting gear B 18, the tooth engagement of gear B 18 and 10 tail portion of rotating block, gear B 18 are coaxially solid It is scheduled in the shaft of longitudinal motor B19, rotating bar 21 is set in rotating block 10, tooth is set in rotating bar 21, built in rotating block 10 Tooth is arranged in the shaft of cross motor B20 in cross motor B20, and the shaft of cross motor B20 is engaged with rotating bar 21, rotating bar Wing plate 11 is fixed in 21 ends, and longitudinal motor B19 and cross motor B20 are connect with control system.
The course of work and effect of air flow regulator are: longitudinal motor A13 drives gear B 18 to rotate, and gear B 18 drives Rotating block 10 longitudinally rotates, and then adjusts longitudinally rotating for wing plate 11;Cross motor B20 rotation drives 11 rotation of wing plate.It is longitudinal Motor B19 and cross motor B20 is controlled by control system, and the rotational angle of wing plate 11 is adjusted according to air-flow, so that Oil filling pipe 3 keeps stablizing as far as possible, is conducive to refueled aircraft 2 and docks with oil filler.
Air flow regulator is two, is symmetrically distributed in 3 two sides of oil filling pipe, two wing plates 11 are adjusted simultaneously, so that wind pressure Uniformly, oil filling pipe 3 is more stable.
Oil-receiving device includes extension sleeve, and extension sleeve includes inner cylinder 5 and outer cylinder 6, and 5 lower edge of inner cylinder turns up, on outer cylinder 6 Edge varus forms a confined space between 6 in-flanges of 5 flanging of inner cylinder and outer cylinder, and setting is logical on 6 top barrel of outer cylinder Hole, through-hole are connect with oil pump 8, and hose 7 is arranged in inner cylinder 5, and 7 upper end of hose is connected by hydraulic fluid port 4.
By hydraulic fluid port 4 in horn-like, it is arranged forward by hydraulic fluid port 4, it is convenient to be docked with oil filler.
5 top edge of inner cylinder is turned up, and plays restriction effect to outer cylinder 6, and inner cylinder 5 and outer cylinder 6 is prevented to be detached from.
The course of work and effect of oil-receiving device are: oil-receiving device is arranged on the empennage of refueled aircraft 2, empennage position itself Relatively high, which further increases the vertical heights of refueled aircraft 2 and fuel charger 1.The starting of oil pump 8 by inner cylinder 5 and outer cylinder 6 it Between confined space in oil liquid take out, such inner cylinder 5 drives hose 7 to rise, and then drives and risen by hydraulic fluid port 4, and by hydraulic Cylinder will further increase the vertical height of refueled aircraft 2 Yu fuel charger 1 by hydraulic fluid port 4 forward.After oiling, hydraulic cylinder will be by Hydraulic fluid port 4 resets, and oil liquid is pumped into the confined space of inner cylinder 5 Yu outer cylinder 6 by oil pump 8, and oil liquid supports confined space greatly, so that interior 5 decline retraction of cylinder resets.

Claims (7)

1. a kind of air-refueling device of high security, it is characterised in that: including oil filling pipe (3), the setting of oil filling pipe (3) upper end is put Oil filler is arranged in pipe device, oil filling pipe (3) end, and air flow regulator, the tail in refueled aircraft (2) is arranged in oil filling pipe (3) tail portion Oil-receiving device is arranged in wing top.
2. the air-refueling device of high security according to claim 1, it is characterised in that: putting pipe device includes pipe crimping (16), oil filling pipe (3) upper end is connected to pipe crimping (16), and oil filling pipe (3) is connect by sealing bearing with oil pump (8);Including driven Gear A (17), driven gear A (17) are mounted on the bottom opening edge of fuel charger (1), fix on driven gear A (17) flexible Plate (14), driven gear A (17) are engaged with driving gear A (12), and driving gear A (12) is coaxially fixed on motor A (13) shaft On, motor is fixed on fuel charger (1), and telescopic rod end is fixed Y shape crotch (15).
3. the air-refueling device of high security according to claim 1, it is characterised in that: air flow regulator includes shell Body (9), shell (9) are fixed on oil filling pipe (3) tail end, rotating block (10) are arranged in shell (9), and rotating block (10) tail portion is circular arc Tooth is arranged in shape, edge, and rotating block (10) is hinged in shell (9), and hinged place is the center of circle of arc-shaped rotating block (10) tail portion, Gear B (18) are arranged in rotating block (10) tail portion, the tooth engagement of gear B (18) and rotating block (10) tail portion, and gear B (18) is coaxially solid It is scheduled in the shaft of (19) longitudinal motor B, rotating bar (21) is set in rotating block (10), tooth is arranged on (21) in rotating bar, rotates Tooth, the shaft and rotation of cross motor B (20) is arranged in the shaft of cross motor B (20) in block (10) built-in transverse motor B (20) Bar (21) engagement, rotating bar (21) end fixation wing plate (11), longitudinal motor B (19) and cross motor B (20) and control system Connection.
4. the air-refueling device of high security according to claim 3, it is characterised in that: air flow regulator two It is a, oil filling pipe (3) two sides are symmetrically distributed in, two wing plates (11) are adjusted simultaneously, so that wind pressure is uniform, oil filling pipe (3) is more stable.
5. the air-refueling device of high security according to claim 1, it is characterised in that: oil-receiving device includes telescopic Cylinder, extension sleeve includes inner cylinder (5) and outer cylinder (6), and inner cylinder (5) lower edge turns up, and outer cylinder (6) top edge varus, inner cylinder (5) is outside A confined space is formed between flange and outer cylinder (6) in-flanges, and through-hole, through-hole and oil pump are set on the barrel of outer cylinder (6) top (8) it connects, hose (7) is set in inner cylinder (5), hose (7) upper end is connected by hydraulic fluid port (4).
6. the air-refueling device of high security according to claim 5, it is characterised in that: by hydraulic fluid port (4) in horn-like, It is arranged forward by hydraulic fluid port (4), it is convenient to be docked with oil filler.
7. the air-refueling device of high security according to claim 5, it is characterised in that: inner cylinder (5) top edge is turned up, Restriction effect is played to outer cylinder (6), inner cylinder (5) and outer cylinder (6) is prevented to be detached from.
CN201910736801.7A 2019-08-10 2019-08-10 Aerial refueling device with high safety Active CN110407151B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910736801.7A CN110407151B (en) 2019-08-10 2019-08-10 Aerial refueling device with high safety

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910736801.7A CN110407151B (en) 2019-08-10 2019-08-10 Aerial refueling device with high safety

Publications (2)

Publication Number Publication Date
CN110407151A true CN110407151A (en) 2019-11-05
CN110407151B CN110407151B (en) 2020-11-20

Family

ID=68366893

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910736801.7A Active CN110407151B (en) 2019-08-10 2019-08-10 Aerial refueling device with high safety

Country Status (1)

Country Link
CN (1) CN110407151B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116080915A (en) * 2023-03-06 2023-05-09 中国航空工业集团公司西安飞机设计研究所 Fully-buried oil filling pipe retraction device and retraction method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101898641A (en) * 2010-03-15 2010-12-01 王雪松 Air oil-receiving device
CN204210738U (en) * 2014-11-17 2015-03-18 河南师范大学 A kind of Aircraft Air oiling auxiliary device
CN105083571A (en) * 2015-09-08 2015-11-25 天津市天舞科技有限公司 Rotatable fly-by-wire boom type helicopter air-refueling device
CN206241942U (en) * 2016-10-25 2017-06-13 南昌工程学院 A kind of driver-extractor of soil monitoring device
CN108536132A (en) * 2018-03-20 2018-09-14 南京航空航天大学 A kind of fixed-wing unmanned plane air refuelling platform and its oiling method
CN108674675A (en) * 2018-05-13 2018-10-19 雷子墨 A kind of mother and sons' tanker aircraft
US20190092487A1 (en) * 2015-02-11 2019-03-28 Konstantinos Margetis System and apparatus for refueling aircraft from a watercraft

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101898641A (en) * 2010-03-15 2010-12-01 王雪松 Air oil-receiving device
CN204210738U (en) * 2014-11-17 2015-03-18 河南师范大学 A kind of Aircraft Air oiling auxiliary device
US20190092487A1 (en) * 2015-02-11 2019-03-28 Konstantinos Margetis System and apparatus for refueling aircraft from a watercraft
CN105083571A (en) * 2015-09-08 2015-11-25 天津市天舞科技有限公司 Rotatable fly-by-wire boom type helicopter air-refueling device
CN206241942U (en) * 2016-10-25 2017-06-13 南昌工程学院 A kind of driver-extractor of soil monitoring device
CN108536132A (en) * 2018-03-20 2018-09-14 南京航空航天大学 A kind of fixed-wing unmanned plane air refuelling platform and its oiling method
CN108674675A (en) * 2018-05-13 2018-10-19 雷子墨 A kind of mother and sons' tanker aircraft

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116080915A (en) * 2023-03-06 2023-05-09 中国航空工业集团公司西安飞机设计研究所 Fully-buried oil filling pipe retraction device and retraction method

Also Published As

Publication number Publication date
CN110407151B (en) 2020-11-20

Similar Documents

Publication Publication Date Title
CN205469772U (en) It is preceding to little volume unmanned aerial vehicle of folded form
US10577119B2 (en) System and apparatus for refueling aircraft from a watercraft
CN110407151A (en) The air-refueling device of high security
US20100178176A1 (en) Retractable Pump System
RU2017128719A (en) DEVICE FOR WATER INTAKE BY AIRCRAFT, NOT AMPHIBIAN, FOR EXTINGUISHING FOREST FIRES
GB2536352A (en) System and apparatus for refueling aircraft from a watercraft
WO2017107493A1 (en) Aircraft support leg, aircraft and control method
CN101898640A (en) Air refueling device of helicopter
CN208530830U (en) Unmanned plane based on bionical devil ray
CN105083571A (en) Rotatable fly-by-wire boom type helicopter air-refueling device
RU94031002A (en) Tanker aeroplane
CN103318408A (en) Helicopter with main propeller leaning forward
CN208290983U (en) A kind of vehicle-mounted head-up display
CN106347655A (en) Duct power device and aircraft
CN211308516U (en) Front guide supporting device
CN206374936U (en) A kind of T-shaped power platform of new multifunction hydraulic
CN208699041U (en) A kind of unmanned plane wing that can be folded
CN209382247U (en) A kind of ship stretches crankshaft holder
CN218931714U (en) Pipette adjustment mechanism that can pinpoint
CN208181398U (en) A kind of folding side wing mechanism
CN209398506U (en) A kind of parallel inlet central body of aircraft
CN208993924U (en) Deformable rotor flapping wing fixed-wing one aircraft
CN214493353U (en) Unmanned aerial vehicle air refueling hose
CN206841332U (en) A kind of vehicular radar meter
CN112158767A (en) Auxiliary butt joint control system for wings

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant