CN109204808A - A kind of locking structure of unmanned plane propeller - Google Patents
A kind of locking structure of unmanned plane propeller Download PDFInfo
- Publication number
- CN109204808A CN109204808A CN201811003303.3A CN201811003303A CN109204808A CN 109204808 A CN109204808 A CN 109204808A CN 201811003303 A CN201811003303 A CN 201811003303A CN 109204808 A CN109204808 A CN 109204808A
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- Prior art keywords
- blade
- locking
- shaft
- locking structure
- fixing seat
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- 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.)
- Pending
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- 230000013011 mating Effects 0.000 claims abstract description 7
- 230000001050 lubricating effect Effects 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/19—Propulsion using electrically powered motors
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Toys (AREA)
- Screw Conveyors (AREA)
Abstract
A kind of locking structure of unmanned plane propeller, belongs to vehicle technology field.The locking structure of this unmanned plane propeller, including blade and motor, locking structure fixing seat is fixedly connected by locking structure fixed screw with motor, blade tabletting is fixedly connected by blade rotary fixing screw silk and blade rotary fixing screw mother with locking structure fixing seat, two blades are placed between blade tabletting and locking structure fixing seat, locking spinner is screwed into shaft thread hole by locking spinner housing pin and is fixedly connected with locking shaft, axle bed boss is evenly equipped with 4 shaft flutings, locking shaft top is equipped with 2 shaft planes and 2 shaft cylindrical surfaces, shaft cylindrical surface and blade locking shaft mating surface cooperate, locking shaft jacking block is equipped between locking shaft and motor；Position-limit mechanism passes through the hole for being provided with axle bed boss corresponding position being arranged in locking structure fixing seat.The locking structure has blade locking function, it is ensured that flight is reliable and blade is compact.
Description
Technical field
The present invention relates to a kind of locking structures of unmanned plane propeller, belong to vehicle technology field.
Background technique
With the rapid development of global unmanned plane industry, unmanned air vehicle technique development is more and more mature, and unmanned plane applies model
It encloses also more and more extensive.At the same time, people are to the stability of unmanned plane during flying, safety and the convenience used it is also proposed that more
High requirement.Power device of the propeller as unmanned plane, fortune of the stability and reliability run for entire unmanned plane
Row is particularly important.The connection structure of existing unmanned plane propeller is threadedly coupled often by simple by two panels blade pressure
Tightly on motor rotor casing.When motor works, rotor starts to rotate, and due to centrifugal principle, two panels blade can also be rotated with it.
It is slightly larger especially for size and weight since blade weight is non-equally distributed, the connection structure of this motor and blade
Blade, the moment rotated in electric motor starting can be made, blade root and blade tip form asynchronous rotation, lead to machine shaft and two panels
The shaft of blade is not overlapped, therefore reduces the pneumatic efficiency of propeller, while increasing the unstability and risk of flight.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the pneumatic efficiency of propeller is improved, peace when unmanned plane during flying is improved
Full property and stability, the present invention provides a kind of locking structures of unmanned plane propeller.There is the locking structure blade to lock function
It can, it is ensured that flight is reliable and blade is compact.
The technical solution adopted by the present invention is that: a kind of locking structure of unmanned plane propeller, including blade and motor, locking
Structure fixing seat is fixedly connected by locking structure fixed screw with motor, and blade tabletting passes through blade rotary fixing screw silk and paddle
Leaf rotary fixing screw mother is fixedly connected with locking structure fixing seat, two blades be placed in blade tabletting and locking structure fixing seat it
Between, blade rotary fixing screw silk passes through blade；Blade profit is additionally provided between blade and blade tabletting and locking structure fixing seat
Sliding mechanism；Locking shaft is the cylindrical body that bottom has shaft boss, and top center is equipped with shaft thread hole, and locking spinner passes through
Locking spinner housing pin is screwed into shaft thread hole and is fixedly connected with locking shaft, and axle bed boss is evenly equipped with 4 shaft flutings, lock
Rotation stop axis top is equipped with 2 shaft planes and 2 shaft cylindrical surfaces, and shaft plane is staggered with shaft cylindrical surface in 90 °, and 2
A shaft plane is arranged in parallel and symmetrical, shaft cylindrical surface and the cooperation of blade locking shaft mating surface, in locking shaft and motor
Between be equipped with locking shaft jacking block；Position-limit mechanism includes stop screw, limit spring, steel ball, and stop screw left part center is equipped with blind
Hole, limit spring are placed in the blind hole, and blind bore end is equipped with steel ball, and stop screw, which passes through, to be arranged in locking structure fixing seat
On the hole for being provided with axle bed boss corresponding position.
The blade lubricating structure is the annular copper alloy part that section is double L shapes, the cylindrical outer side of blade lubricating structure
Rotary shaft aperture with blade be close-fitting and, the inside of blade lubricating structure and blade rotary fixing screw silk are clearance fit；Paddle
The ring segment of leaf lubricating structure cylinder bottom side, and is arranged and the matched slot of the ring segment and locking structure in blade tabletting
Being arranged in fixing seat is clearance fit with the matched slot of the ring segment.
The beneficial effects of the present invention are: the locking structure of this unmanned plane propeller, including blade and motor, locking structure
Fixing seat is fixedly connected by locking structure fixed screw with motor, and blade tabletting is revolved by blade rotary fixing screw silk and blade
Turning fixture nut to be fixedly connected with locking structure fixing seat, two blades are placed between blade tabletting and locking structure fixing seat,
Blade rotary fixing screw silk passes through blade；Blade lubricating machine is additionally provided between blade and blade tabletting and locking structure fixing seat
Structure；Locking spinner is screwed into shaft thread hole by locking spinner housing pin and is fixedly connected with locking shaft, and axle bed boss is uniformly distributed
There are 4 shaft flutings, locking shaft top is equipped with 2 shaft planes and 2 shaft cylindrical surfaces, shaft cylindrical surface and blade locking
The cooperation of shaft mating surface, is equipped with locking shaft jacking block between locking shaft and motor；Position-limit mechanism includes stop screw, limit bullet
Spring, steel ball, stop screw pass through the hole for being provided with axle bed boss corresponding position being arranged in locking structure fixing seat.The locking
Structure has blade locking function, it is ensured that flight is reliable and blade is compact.
It is compared with the prior art, the beneficial effects of the present invention are:
1. having blade locking function, it is ensured that flight is reliable and blade is compact: by the configuration design of locking structure and blade, making
Can be by can be manually rotated locking spinner, the mode realizing blade locking and opening, folding when preservation to realize blade
With locking when flight；
2. having the knob design for meeting ergonomics, it is ensured that preferable power and torque can be provided when hand contacts knob when twisting,
So that without especially laborious when knob rotates；
3. metal lubrication designs, the obstruction for opening and closing blade is effectively prevented；
4. structure is easy to disassemble, the connecting screw of entire fixed locking structure and motor, have can be mounted directly from top and
The design of disassembly realizes being rapidly assembled and disassembled for locking structure and motor.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of the locking structure of unmanned plane propeller.
Fig. 2 be I in Fig. 1 at enlarged view.
Fig. 3 is a kind of top view of the locking structure of unmanned plane propeller.
Fig. 4 is A-A cross-sectional view in Fig. 3.
Fig. 5 be II in Fig. 4 at enlarged view.
Fig. 6 is the structural schematic diagram of locking shaft.
Fig. 7 is the structural schematic diagram of position-limit mechanism.
The structural schematic diagram of the blade of Fig. 8.
In figure: 1, locking shaft jacking block, 2, locking structure fixing seat, 3, locking structure fixed screw, 4, locking shaft, 4a,
Shaft thread hole, 4b, shaft plane, 4c, shaft cylindrical surface, 4d, shaft boss, 4e, shaft fluting, 5, position-limit mechanism, 5a, limit
Position screw, 5b, limit spring, 5c, steel ball, 6, blade lubricating structure, 7, blade tabletting, 8, blade rotary fixing screw silk, 9, paddle
Leaf rotary fixing screw is female, 10, locking spinner, 11, locking spinner housing pin, 12, blade, 12a, blade rotary shaft aperture,
12b, locking shaft mating surface, 13, motor.
Specific embodiment
Fig. 1-5 shows a kind of structural schematic diagram of the locking structure of unmanned plane propeller.
Fig. 6-8 respectively illustrate locking shaft, position-limit mechanism, blade structural schematic diagram.
The locking structure of this unmanned plane propeller, including blade 12 and motor 13, locking structure fixing seat 2 pass through locking
Structure fixed screw 3 is fixedly connected with motor 13, and blade tabletting 7 passes through blade rotary fixing screw silk 8 and blade rotary fixing screw
Mother 9 is fixedly connected with locking structure fixing seat 2, and two blades 12 are placed between blade tabletting 7 and locking structure fixing seat 2, paddle
Leaf rotary fixing screw silk 8 passes through blade 12；Blade is additionally provided between blade 12 and blade tabletting 7 and locking structure fixing seat 2
Lubricating structure 6；Locking shaft 4 is the cylindrical body that bottom has shaft boss 4d, and top center is equipped with shaft thread hole 4a, locking
Spinner 10 is screwed into shaft thread hole 4a by locking spinner housing pin 11 and is fixedly connected with locking shaft 4, and axle bed boss 4d is equal
4 shaft fluting 4e are furnished with, 4 top of locking shaft is equipped with 2 shaft plane 4b and 2 shaft cylindrical surface 4c, shaft plane 4b
It is staggered with shaft cylindrical surface 4c in 90 °, 2 shaft plane 4b are arranged in parallel and symmetrical, shaft cylindrical surface 4c and blade 12
Locking shaft mating surface 12b cooperation, is equipped with locking shaft jacking block 1 between locking shaft 4 and motor 13；Position-limit mechanism 5 includes limit
Position screw 5a, limit spring 5b, steel ball 5c, stop screw 5a left part center are equipped with blind hole, and limit spring 5b is placed in described blind
Kong Zhong, blind bore end are equipped with steel ball 5c, and stop screw 5a, which passes through to be arranged in locking structure fixing seat 2, is provided with axle bed boss
The hole of the corresponding position 4d.
The blade lubricating structure 6 is the annular copper alloy part that section is double L shapes, outside the cylinder of blade lubricating structure 6
The rotary shaft aperture 12a of side and blade 12 be close-fitting and, between the inside of blade lubricating structure 6 and blade rotary fixing screw silk 8 are
Gap cooperation；The ring segment of 6 cylinder bottom side of blade lubricating structure, and is arranged and the matched slot of the ring segment in blade tabletting 7
And what is be arranged in locking structure fixing seat 2 is clearance fit with the matched slot of the ring segment.
Using above-mentioned technical solution, entire locking structure is connected using firm banking locking structure fixed screw and motor
Connect, the installation to realize locking structure is fixed and motor to blade transmission.In this locking structure, connection at the top of locking shaft
There is locking spinner, and is equipped with fluting in locking shaft bottom.By can be manually rotated locking spinner, the progress of locking shaft can be manipulated
Rotation matches with the specific locking position-limit mechanism with Extendible spacing ball, the locking and unlocking of blade may be implemented.?
The propeller shank of propeller, the configuration design with fixed screw mounting hole and with locking shaft close-fitting, to realize consolidating for blade
It is fixed.Meanwhile the position between propeller and fixing seat, blade tabletting, blade rotary fixing screw silk, it is double that design, which has section,
The cylindricality copper alloy part of L shape plays the lubricating action of blade up-down structure associated with it as lubrication system above and below blade.
The following are a specific embodiments:
A kind of locking structure and blade applied to unmanned plane propeller, including locking shaft jacking block 1, locking structure fixing seat 2, lock
Only structure fixed screw 3, locking shaft 4, position-limit mechanism 5, blade lubricating structure 6, blade tabletting 7, blade rotary fixing screw silk
8, blade rotary fixing screw mother 9, locking spinner 10, locking spinner housing pin 11, blade 12 and motor 13.
The locking structure fixing seat 2 is the pedestal that this locking structure is connect with motor 13, is connected by locking structure fixed screw 3
It connects, realizes that the connection between locking structure and motor 13 is installed；
The locking shaft jacking block 1 can play the role of longitudinal bracing locking shaft 4.
The blade 12 has 8 mounting hole of blade rotary fixing screw silk and the configuration design with 4 close-fitting of locking shaft.Blade
There is blade tabletting 7 above root, also there is through-hole in corresponding position on 7 length direction central axis of blade tabletting, so as to blade rotation
Turn fixed screw 8 to pass through, two panels blade is compressed.
4 top of locking shaft is connect with locking spinner 10 by locking spinner housing pin 11, and in locking shaft 4
Bottom is divided into 90 ° of fluting between having specifically.Can be manually rotated locking spinner 10 rotates locking shaft 4 correspondingly.Pass through locking
90 ° of rotations of shaft 4, realize the locking and unlocking of blade.
The position-limit mechanism 5 can limit locking shaft 4 in certain torque and rotate.Blade locking structure installs
Bi Hou can drive locking shaft 4 to rotate in the round hole of fixing seat by can be manually rotated locking spinner 10；Due to limit
The Extendible spacing ball that compressed spring is had in mechanism 5, can form cooperation with 4 bottom interval of locking shaft, 90 degree of fluting,
It is often rotated by 90 °, under the thrust of compressed spring, spacing ball and fluting form cooperation, to become open shape by lockup state
State, or lockup state is become by opening state.And under the action of certain knob power, the spacing ball and spring are compressed, from slot
In walk out, along 4 bottom cylindrical column of locking shaft roll or slide, ensure that using spinner switch during use it is suitable
Freely.Further, in order to locking mechanism be rotated by 90 ° locked and opened when, enable stainless steel ball preferably edge
Spring direction it is flexible, be designed with fillet on the outside of " ten " word structure bracket groove, make the stainless steel ball of band elasticity and have steel ball ruler
Metal lubrication is realized between " ten " font rigid structure of very little mating groove；In addition, during the installation process, control band bullet can be passed through
Property stainless steel ball fold fixing seat in the depth, come so that the operation that need to be locked and open becomes smooth.
The blade lubricating structure 6 is located at blade shaft position, and the lubrication for playing blade up-down structure associated with it is made
With.The mechanism is present in propeller and locking structure fixing seat 2, blade tabletting 7, the position between blade rotary fixing screw silk 8.
Blade is in folding process, due to foring pressure between locking structure fixing seat 2, blade tabletting 7, blade rotary fixing screw silk 8
The fixation of compact form, the lubrication system between blade and these three structures are designed as the cylindricality copper alloy part that section is double L shapes, should
The cylindrical outer side of structure and the aperture of blade rotary shaft form close-fitting, and blade and two metalworks form a component, the group
It is formed and is lubricated with optical axis fixed screw on the inside of part；The ring segment of the structure cylinder bottom side, with machined and annular on the upside of component
The blade tabletting of the matched slot of piece, and done the lubrication that the fixing seat of similarly matched processing is formed.
The blade rotary fixing screw silk 8 is that middle part has optical axis, and the threaded special screw in bottom is played blade pressure
The effect that lubrication system 6, blade and root 12, the connection of locking structure fixing seat 2 compress up and down of piece 7, blade.
When blade is installed, blade is compressed for the cylindricality copper alloy part of L shape by clamping with two sections first
It is fixed, so that propeller shank and about two annular copper faces are horizontal.Then the component is put into blade tabletting 7 and locking structure is consolidated
Between reservation 2 so that the concyclic heart of their aperture, with blade rotary fixing screw silk 8 through its through-hole circle, and with the structural base
Fixed formed of blade rotary fixing screw mother 9 blade is compressed.
Claims (2)
1. a kind of locking structure of unmanned plane propeller, including blade (12) and motor (13), it is characterised in that: locking structure is solid
Reservation (2) is fixedly connected by locking structure fixed screw (3) with motor (13), and blade tabletting (7) is rotated by blade to be fixed
Screw (8) and blade rotary fixing screw female (9) are fixedly connected with locking structure fixing seat (2), and two blades (12) are placed in blade
Between tabletting (7) and locking structure fixing seat (2), blade rotary fixing screw silk (8) passes through blade (12)；In blade (12) and paddle
Blade lubricating structure (6) are additionally provided between leaf tabletting (7) and locking structure fixing seat (2)；Locking shaft (4) has for bottom to be turned
The cylindrical body of crown of roll platform (4d), top center are equipped with shaft thread hole (4a), and locking spinner (10) compresses spiral shell by locking spinner
Silk (11) is screwed into shaft thread hole (4a) and is fixedly connected with locking shaft (4), and axle bed boss (4d) is evenly equipped with 4 shaft flutings
(4e), locking shaft (4) top are equipped with 2 shaft planes (4b) and 2 shaft cylindrical surfaces (4c), shaft plane (4b) and shaft
Cylindrical surface (4c) is staggered in 90 °, and 2 shaft planes (4b) are arranged in parallel and symmetrical, shaft cylindrical surface (4c) and blade
(12) locking shaft mating surface (12b) cooperates, and is equipped with locking shaft jacking block (1) between locking shaft (4) and motor (13)；Limit
Mechanism (5) includes stop screw (5a), limit spring (5b), steel ball (5c), and stop screw (5a) left part center is equipped with blind hole, limit
Position spring (5b) is placed in the blind hole, and blind bore end is equipped with steel ball (5c), and stop screw (5a), which passes through, to be arranged in locking knot
The hole for being provided with the corresponding position axle bed boss (4d) in structure fixing seat (2).
2. a kind of locking structure of unmanned plane propeller according to claim 1, it is characterised in that: the blade lubricating machine
Structure (6) is the annular copper alloy part that section is double L shapes, the cylindrical outer side of blade lubricating structure (6) and the rotation of blade (12)
Axis aperture (12a) be close-fitting and, the inside of blade lubricating structure (6) and blade rotary fixing screw silk (8) are clearance fit；Blade
The ring segment of lubricating structure (6) cylinder bottom side, and is arranged on blade tabletting (7) and the matched slot of the ring segment and locking
Being arranged in structure fixing seat (2) is clearance fit with the matched slot of the ring segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003303.3A CN109204808A (en) | 2018-08-30 | 2018-08-30 | A kind of locking structure of unmanned plane propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003303.3A CN109204808A (en) | 2018-08-30 | 2018-08-30 | A kind of locking structure of unmanned plane propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109204808A true CN109204808A (en) | 2019-01-15 |
Family
ID=64986312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811003303.3A Pending CN109204808A (en) | 2018-08-30 | 2018-08-30 | A kind of locking structure of unmanned plane propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109204808A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693781A (en) * | 2019-01-28 | 2019-04-30 | 北京云影飞扬科技有限公司 | A kind of folding paddle of with locking mechanism |
| CN113844649A (en) * | 2021-09-15 | 2021-12-28 | 中国空气动力研究与发展中心空天技术研究所 | Composite wing unmanned aerial vehicle propeller positioning and locking device and method |
| CN114030639A (en) * | 2021-11-19 | 2022-02-11 | 中国直升机设计研究所 | Helicopter blade clamping and locking device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6398497B1 (en) * | 2001-02-20 | 2002-06-04 | Sikorsky Aircraft Corporation | Blade lock system for variable diameter rotor systems |
| CN107108003A (en) * | 2016-08-31 | 2017-08-29 | 深圳市大疆创新科技有限公司 | Drive device, propeller and dynamical system |
| CN206664924U (en) * | 2016-12-14 | 2017-11-24 | 深圳市道通智能航空技术有限公司 | Aircraft and its propeller device for quickly disassembling, propeller, propeller mount component |
| CN207242017U (en) * | 2017-09-08 | 2018-04-17 | 亿航智能设备（广州）有限公司 | A kind of propeller external member of fast assembling-disassembling |
| CN207242034U (en) * | 2017-09-08 | 2018-04-17 | 亿航智能设备（广州）有限公司 | A kind of propeller component with quick lock in |
| CN209209029U (en) * | 2018-08-30 | 2019-08-06 | 中宇航通企业管理(北京)有限公司 | A kind of locking structure of unmanned plane propeller |
-
2018
- 2018-08-30 CN CN201811003303.3A patent/CN109204808A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6398497B1 (en) * | 2001-02-20 | 2002-06-04 | Sikorsky Aircraft Corporation | Blade lock system for variable diameter rotor systems |
| CN107108003A (en) * | 2016-08-31 | 2017-08-29 | 深圳市大疆创新科技有限公司 | Drive device, propeller and dynamical system |
| CN206664924U (en) * | 2016-12-14 | 2017-11-24 | 深圳市道通智能航空技术有限公司 | Aircraft and its propeller device for quickly disassembling, propeller, propeller mount component |
| CN207242017U (en) * | 2017-09-08 | 2018-04-17 | 亿航智能设备（广州）有限公司 | A kind of propeller external member of fast assembling-disassembling |
| CN207242034U (en) * | 2017-09-08 | 2018-04-17 | 亿航智能设备（广州）有限公司 | A kind of propeller component with quick lock in |
| CN209209029U (en) * | 2018-08-30 | 2019-08-06 | 中宇航通企业管理(北京)有限公司 | A kind of locking structure of unmanned plane propeller |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693781A (en) * | 2019-01-28 | 2019-04-30 | 北京云影飞扬科技有限公司 | A kind of folding paddle of with locking mechanism |
| CN113844649A (en) * | 2021-09-15 | 2021-12-28 | 中国空气动力研究与发展中心空天技术研究所 | Composite wing unmanned aerial vehicle propeller positioning and locking device and method |
| CN114030639A (en) * | 2021-11-19 | 2022-02-11 | 中国直升机设计研究所 | Helicopter blade clamping and locking device |
| CN114030639B (en) * | 2021-11-19 | 2023-09-01 | 中国直升机设计研究所 | Helicopter blade clamping and locking device |
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Effective date of registration: 20190705 Address after: 101200 Block 1-2, E15, Mafang Industrial Park, Pinggu District, Beijing Applicant after: China Aerospace Enterprise Management (Beijing) Co.,Ltd. Address before: 100097 Beijing Pinggu District Zhongguancun Science and Technology Park Pinggu Garden Mafang Industrial Park Area 1 469 Applicant before: ZHONGYU HANGTONG (BEIJING) TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190115 |