CN105667763A - Folding wing type unmanned aerial vehicle for municipal garden landscaping - Google Patents
Folding wing type unmanned aerial vehicle for municipal garden landscaping Download PDFInfo
- Publication number
- CN105667763A CN105667763A CN201610191765.7A CN201610191765A CN105667763A CN 105667763 A CN105667763 A CN 105667763A CN 201610191765 A CN201610191765 A CN 201610191765A CN 105667763 A CN105667763 A CN 105667763A
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- CN
- China
- Prior art keywords
- motor
- wing
- hole
- base plate
- gear
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C3/00—Wings
- B64C3/38—Adjustment of complete wings or parts thereof
- B64C3/56—Folding or collapsing to reduce overall dimensions of aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C3/00—Wings
- B64C3/38—Adjustment of complete wings or parts thereof
- B64C3/40—Varying angle of sweep
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/25—Fixed-wing aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U30/00—Means for producing lift; Empennages; Arrangements thereof
- B64U30/10—Wings
- B64U30/12—Variable or detachable wings, e.g. wings with adjustable sweep
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/11—Propulsion using internal combustion piston engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/13—Propulsion using external fans or propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
Abstract
The invention discloses a folding wing type unmanned aerial vehicle for municipal garden landscaping. The folding wing type unmanned aerial vehicle for municipal garden landscaping comprises a vehicle body and wings, wherein the vehicle body is provided with an inner cavity; the left side and the right side of the inner cavity are communicated; a first motor is arranged on a front plate of the inner cavity; a screw rod arranged in a direction same as that of the vehicle body is connected on the first motor; gears are symmetrically meshed at two sides of the screw rod; the center of the gear is connected on the vehicle body by a center shaft; a rotating plate is connected on the side wall of each gear; a supporting plate is vertically connected at the outer end part of the rotating plate; a first air cylinder is connected at the front end of the supporting plate; a second motor is connected at the front end of the first air cylinder; a first threaded rod is connected with the output shaft of the second motor; a first nut screwed with the first threaded rod is also arranged on the front plate of the inner cavity; and a second air cylinder is arranged on the side wall of the same side of the supporting plate and the rotating plate. According to the folding wing type unmanned aerial vehicle for municipal garden landscaping, the wings can be conveniently folded, storage is convenient and the practicability is achieved.
Description
Technical field
The present invention relates to municipal administration unmanned air vehicle technique field, gardens, particularly relate to a kind of municipal administration afforestation folding wings unmanned plane.
Background technology
Existing fixed-wing unmanned plane, owing to wing is fixing, so one of becoming the parts of most rapid wear, and owing to wing and empennage are fixing, flight efficiency is less desirable.
Being fixing additionally, due to wing, it is impossible to folding, storage space is too big, in-convenience in use.
Summary of the invention
The technical problem to be solved is to provide a kind of municipal administration afforestation folding wings unmanned plane, the technical problem that the wing to solve the unmanned plane of prior art is easily damaged and storage space is big and flight efficiency is undesirable.
For solving above-mentioned technical problem, embodiments of the invention provide a kind of municipal administration afforestation folding wings unmanned plane, including fuselage, wing and empennage, described fuselage is provided with inner chamber, the described inner chamber left and right sides connects, the header board of described inner chamber is provided with the first motor, described first motor connects a screw mandrel arranged in the same direction with fuselage, it is engaged with a gear to the lateral symmetry of described screw mandrel, described gear be connected on fuselage centrally through axis, the sidewall of described gear is connected to rotor plate, the outer end of described rotor plate is vertically connected with gripper shoe, the front end of described gripper shoe is connected to the first cylinder, the front end of described first cylinder is connected to the second motor, the output shaft of described second motor is connected to the first threaded rod, the header board of described inner chamber is additionally provided with the first nut for being screwed with described first threaded rod, the sidewall of described gripper shoe and rotor plate homonymy is provided with the second cylinder, the end of described second cylinder is connected to the 3rd motor, the output shaft of described 3rd motor is connected to the second threaded rod, the header board of described inner chamber is additionally provided with the second nut for being screwed with described second threaded rod, described second nut is connected on header board by the 3rd cylinder, the opposite side of described gripper shoe is provided with described wing,
Described empennage includes the 4th motor being located in back body portion and the connection ring extending back body, it is connected to rotating shaft by bearing in described connection ring, described rotating shaft horizontally set, described rotating shaft is fixedly connected with travelling gear, described 4th motor drives described travelling gear by driving gear, the two ends place of described rotating shaft is respectively provided with one the 5th motor, and the output shaft of described 5th motor is connected to propeller.
Wherein, described wing includes the base plate, wing-body and the slide plate that are connected with described gripper shoe; Described base plate is provided with chute, is provided with guide pillar in described chute, and described guide pillar is provided with the first spring, and the medium position on described base plate is provided with a screwed hole, and described base plate is evenly equipped with multiple shallow slot centered by screwed hole;
Described slide plate top is respectively provided on two sides with a runner, described slide plate two bottom sides is respectively equipped with a slide block, described slide block is provided with a through hole, and described skid is installed in described chute, and the through hole of described slide block is arranged on described guide pillar so that described slide block one sidewall is resisted against described first spring;
On described wing-body, the side near fuselage is provided with a connecting hole, described connecting hole is coaxially disposed with the screwed hole on described base plate, one screw is screwed together on described screwed hole and makes the relatively described base plate of described wing-body freely rotatable after described connecting hole, described wing-body two side is provided with concave-arc part, runner on described slide plate is embedded in described concave-arc part, centered by described connecting hole, multiple blind hole it is evenly equipped with on bottom described wing-body, the plurality of blind hole and the plurality of shallow slot one_to_one corresponding are also coaxially disposed, one second spring it is provided with in each blind hole, the bottom contact of described second spring has a spheroid, described spherical part is placed in described shallow slot.
Having the beneficial effect that of the technique scheme of the present invention:
In such scheme, the present invention can realize the different auto-changing wing sweep angle along with flight speed, and when flight speed height, the sweep angle of wing becomes big, thus reducing flight resistance, promoting flight efficiency, and can effectively protect when colliding wing not damaged; Secondly as have folder function, folding wing can be facilitated, it is simple to deposit, there is practicality; The empennage of the present invention converts the rotational angle of propeller by rotating shaft, it may be achieved slows down, accelerate, assisted degradation effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the wing deployed condition of the present invention.
Fig. 2 is the schematic diagram of the wing folding state of the present invention.
Fig. 3 is the schematic diagram of the empennage of the present invention.
Fig. 4 is the schematic diagram of the outline of the present invention.
Fig. 5 is the sectional view in A-A direction in Fig. 4.
Fig. 6 is the schematic diagram of the base plate of the present invention.
Fig. 7 is the schematic diagram of the slide plate of the present invention.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, it is described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As depicted in figs. 1 and 2, the embodiment of the present invention provides a kind of municipal administration afforestation folding wings unmanned plane, and including fuselage 1, wing and empennage 50, unmanned plane can drive it to fly by the electromotor being placed in below fuselage 1 head or wing, described fuselage 1 is provided with inner chamber, the described inner chamber left and right sides connects, the header board 2 of described inner chamber is provided with the first motor 3, described first motor 3 connects a screw mandrel 4 arranged in the same direction with fuselage 1, it is engaged with a gear 5 to the lateral symmetry of described screw mandrel 4, described gear 5 be connected on fuselage 1 centrally through axis 6, the sidewall of described gear 5 is connected to rotor plate 7, the outer end of described rotor plate 7 is vertically connected with gripper shoe 8, the front end of described gripper shoe 8 is connected to the first cylinder 9, the front end of described first cylinder 9 is connected to the second motor 10, the output shaft of described second motor 10 is connected to the first threaded rod 11, the header board 2 of described inner chamber is additionally provided with the first nut 12 for being screwed with described first threaded rod 11, the sidewall of described gripper shoe 8 and rotor plate homonymy is provided with the second cylinder 13, the end of described second cylinder 13 is connected to the 3rd motor 14, the output shaft of described 3rd motor 14 is connected to the second threaded rod 15, the header board 2 of described inner chamber is additionally provided with the second nut 16 for being screwed with described second threaded rod 15, described second nut 16 is connected on header board 2 by the 3rd cylinder 17, the opposite side of described gripper shoe 8 is provided with described wing.
As shown in Figure 3, described empennage 50 includes the 4th motor 51 being located in fuselage 1 rearward end and the connection ring 54 extending fuselage 1 rear end, it is connected to rotating shaft 55 by bearing in described connection ring 54, described rotating shaft 55 horizontally set, described rotating shaft 55 is fixedly connected with travelling gear 53, described 4th motor 51 drives described travelling gear 53 by driving gear 52, the two ends place of described rotating shaft 55 is respectively provided with one the 5th motor 57, and the output shaft of described 5th motor 57 is connected to propeller 56. 4th motor 51 drives travelling gear 53 to rotate by driving gear 52, and travelling gear 53 is rotated axle 55 and rotates in connection ring 54, the therefore rotational angle of scalable propeller.
As shown in Figures 4 to 7, described wing includes the base plate 18, wing-body 19 and the slide plate 20 that are connected with described gripper shoe 8; Described base plate 18 is provided with chute 21, is provided with guide pillar 22 in described chute 21, and described guide pillar 22 is provided with the first spring 23, and the medium position on described base plate 18 is provided with a screwed hole 24, and described base plate 18 is evenly equipped with multiple shallow slot 25 centered by screwed hole 24;
Described slide plate 20 top is respectively provided on two sides with a runner 26, described slide plate 20 two bottom sides is respectively equipped with a slide block 27, described slide block 27 is provided with a through hole 28, described slide block 27 is slidably mounted in described chute 21, and the through hole 28 of described slide block 27 is arranged on described guide pillar 22 so that described slide block 27 1 sidewall is resisted against described first spring 23;
On described wing-body 19, the side near fuselage 1 is provided with a connecting hole 28, described connecting hole 28 is coaxially disposed with the screwed hole 24 on described base plate 18, one screw 30 is screwed together on described screwed hole 24 and makes the relatively described base plate 18 of described wing-body 19 freely rotatable after described connecting hole 28, described wing-body 19 two side is provided with concave-arc part 29, runner 26 on described slide plate 20 is embedded in described concave-arc part 29, centered by described connecting hole 28, multiple blind hole 31 it is evenly equipped with on bottom described wing-body 19, the plurality of blind hole 31 and the plurality of shallow slot 25 one_to_one corresponding are also coaxially disposed, one second spring 32 it is provided with in each blind hole 31, the bottom contact of described second spring 32 has a spheroid 33, described spheroid 33 part is placed in described shallow slot 25. on described base plate 18, outer end is additionally provided with the baffle plate 34 slip for spacing described slide plate 20, it is prevented that slide plate 20 skids off chute 21.
Unmanned plane is in an initial condition, wing-body 19 is embedded on the first shallow slot 251 of base plate 18 by the spheroid 33 in blind hole 31, and wing-body 19 is positioned on base plate 18 by screw 30, therefore wing-body 19 and base plate 18 can keep relative static conditions, when its flight, wing-body 19 front can be subject to the counteracting force of air-flow, the outer end making wing-body 19 can have the trend towards the motion of afterbody direction, when this counteracting force makes spheroid 33 be sliding out the first shallow slot 251, the outer end of wing-body 19 rotates, now the concave-arc part 29 on wing-body 19 can promote runner 26, spheroid 33 on wing-body 19 can move towards the second shallow slot 252, at this moment slide plate 20 slides along chute 21, thus bestowing 23 1 thrusts of the first spring, the propulsive thrust of the first spring 23 offsets with the counteracting force of air-flow, at this moment the spheroid 33 on wing-body 19 can be embedded in the second shallow slot 252, when the flight speed of unmanned plane continues to increase, spheroid 33 on wing-body 19 can move towards the 3rd shallow slot 253, it is achieved thereby that can according to the function of flight speed auto-changing wing sweep angle.When wing-body 19 collides, wing-body 19 can transfer, with screw 30, the probability reducing damage for center of circle automatic rotary. When stopping flight, wing-body 19 can be returned to initial position by the propulsive thrust of the first spring 23, namely makes spheroid 33 be positioned on the first shallow slot 251.
When unmanned plane needs folding, start the second motor 10, first threaded rod 11 spins off from the first nut 12, start the first cylinder 9, first threaded rod 11 is recycled to original state, start the first motor 3, screw mandrel 4 rotation driven gear 6 rotates, rotor plate 7 is gone to longitudinal state by horizontal, the overall folding of now wing meeting is in the inner chamber of fuselage 1, then the second cylinder 13 and the 3rd cylinder 17 is started, make the second nut 16 mutually close with the second threaded rod 15, then the 3rd motor 14 is started, the second threaded rod 15 is made to be screwed together in the second nut 16, reach firm state foldedly. when the wing of unmanned plane needs to launch, start the 3rd motor 14, the second threaded rod 15 is made to depart from the second nut 16, then the second cylinder 13 and the 3rd cylinder 17 is started, the second nut 16 and the second threaded rod 15 is made to be retracted to original state respectively, then the first motor 3 is started, screw mandrel 4 rotation driven gear 6 rotates, rotor plate 7 is gone to horizontal state by longitudinal, then starts the first cylinder 9, is pushed out to by the first threaded rod 11 near the first nut 12 place, then start the second motor 10, make the first threaded rod 11 be screwed together in the first nut 12.
Unmanned plane, in municipal administration landscape engineering, can be monitored by the various equipment of carry, surveys and draws, the complementary operation such as construction.
Having the beneficial effect that of the technique scheme of the present invention:
In such scheme, the present invention can realize the different auto-changing wing sweep angle along with flight speed, and when flight speed height, the sweep angle of wing becomes big, thus reducing flight resistance, promoting flight efficiency, and can effectively protect when colliding wing not damaged; Secondly as have folder function, folding wing can be facilitated, it is simple to deposit, there is practicality; The empennage of the present invention converts the rotational angle of propeller by rotating shaft, it may be achieved slows down, accelerate, assisted degradation effect.
The above is the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from principle of the present invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (2)
1. a municipal afforestation folding wings unmanned plane, including fuselage, wing and empennage, it is characterized in that, described fuselage is provided with inner chamber, the described inner chamber left and right sides connects, the header board of described inner chamber is provided with the first motor, described first motor connects a screw mandrel arranged in the same direction with fuselage, it is engaged with a gear to the lateral symmetry of described screw mandrel, described gear be connected on fuselage centrally through axis, the sidewall of described gear is connected to rotor plate, the outer end of described rotor plate is vertically connected with gripper shoe, the front end of described gripper shoe is connected to the first cylinder, the front end of described first cylinder is connected to the second motor, the output shaft of described second motor is connected to the first threaded rod, the header board of described inner chamber is additionally provided with the first nut for being screwed with described first threaded rod, the sidewall of described gripper shoe and rotor plate homonymy is provided with the second cylinder, the end of described second cylinder is connected to the 3rd motor, the output shaft of described 3rd motor is connected to the second threaded rod, the header board of described inner chamber is additionally provided with the second nut for being screwed with described second threaded rod, described second nut is connected on header board by the 3rd cylinder, the opposite side of described gripper shoe is provided with described wing,
Described empennage includes the 4th motor being located in back body portion and the connection ring extending back body, it is connected to rotating shaft by bearing in described connection ring, described rotating shaft horizontally set, described rotating shaft is fixedly connected with travelling gear, described 4th motor drives described travelling gear by driving gear, the two ends place of described rotating shaft is respectively provided with one the 5th motor, and the output shaft of described 5th motor is connected to propeller.
2. wing according to claim 1, it is characterised in that described wing includes the base plate, wing-body and the slide plate that are connected with described gripper shoe; Described base plate is provided with chute, is provided with guide pillar in described chute, and described guide pillar is provided with the first spring, and the medium position on described base plate is provided with a screwed hole, and described base plate is evenly equipped with multiple shallow slot centered by screwed hole;
Described slide plate top is respectively provided on two sides with a runner, described slide plate two bottom sides is respectively equipped with a slide block, described slide block is provided with a through hole, and described skid is installed in described chute, and the through hole of described slide block is arranged on described guide pillar so that described slide block one sidewall is resisted against described first spring;
On described wing-body, the side near fuselage is provided with a connecting hole, described connecting hole is coaxially disposed with the screwed hole on described base plate, one screw is screwed together on described screwed hole and makes the relatively described base plate of described wing-body freely rotatable after described connecting hole, described wing-body two side is provided with concave-arc part, runner on described slide plate is embedded in described concave-arc part, centered by described connecting hole, multiple blind hole it is evenly equipped with on bottom described wing-body, the plurality of blind hole and the plurality of shallow slot one_to_one corresponding are also coaxially disposed, one second spring it is provided with in each blind hole, the bottom contact of described second spring has a spheroid, described spherical part is placed in described shallow slot.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191765.7A CN105667763B (en) | 2016-03-30 | 2016-03-30 | A kind of municipal afforestation folding wings unmanned plane |
| CN201711117477.8A CN107813922B (en) | 2016-03-30 | 2016-03-30 | Automatic transform wing grazing angle folding wing unmanned aerial vehicle for municipal garden afforestation |
| CN201711118104.2A CN107672807A (en) | 2016-03-30 | 2016-03-30 | A kind of auto-changing wing sweep angle municipal administration afforestation folding wings unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191765.7A CN105667763B (en) | 2016-03-30 | 2016-03-30 | A kind of municipal afforestation folding wings unmanned plane |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711118104.2A Division CN107672807A (en) | 2016-03-30 | 2016-03-30 | A kind of auto-changing wing sweep angle municipal administration afforestation folding wings unmanned plane |
| CN201711117477.8A Division CN107813922B (en) | 2016-03-30 | 2016-03-30 | Automatic transform wing grazing angle folding wing unmanned aerial vehicle for municipal garden afforestation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105667763A true CN105667763A (en) | 2016-06-15 |
| CN105667763B CN105667763B (en) | 2018-01-05 |
Family
ID=56225536
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711118104.2A Pending CN107672807A (en) | 2016-03-30 | 2016-03-30 | A kind of auto-changing wing sweep angle municipal administration afforestation folding wings unmanned plane |
| CN201711117477.8A Active CN107813922B (en) | 2016-03-30 | 2016-03-30 | Automatic transform wing grazing angle folding wing unmanned aerial vehicle for municipal garden afforestation |
| CN201610191765.7A Active CN105667763B (en) | 2016-03-30 | 2016-03-30 | A kind of municipal afforestation folding wings unmanned plane |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711118104.2A Pending CN107672807A (en) | 2016-03-30 | 2016-03-30 | A kind of auto-changing wing sweep angle municipal administration afforestation folding wings unmanned plane |
| CN201711117477.8A Active CN107813922B (en) | 2016-03-30 | 2016-03-30 | Automatic transform wing grazing angle folding wing unmanned aerial vehicle for municipal garden afforestation |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN107672807A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107672807A (en) * | 2016-03-30 | 2018-02-09 | 苏州巴涛信息科技有限公司 | A kind of auto-changing wing sweep angle municipal administration afforestation folding wings unmanned plane |
| CN109304041B (en) * | 2018-11-14 | 2019-08-27 | 郑岚心 | A kind of model plane power component for preventing from fractureing when collision |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4022403A (en) * | 1976-01-28 | 1977-05-10 | Louis Francois Chiquet | Convertible aircraft |
| US5150861A (en) * | 1990-01-26 | 1992-09-29 | The Boeing Company | Variable sweep side force generator and roll control device |
| CN200995782Y (en) * | 2007-01-17 | 2007-12-26 | 赵文志 | Airplane |
| CN202054140U (en) * | 2011-03-11 | 2011-11-30 | 江西洪都航空工业集团有限责任公司 | Wing sweepback-changing worm drive mechanism for unmanned aircraft |
| CN103832585A (en) * | 2012-11-22 | 2014-06-04 | 上海市浦东新区知识产权保护协会 | Cruise aircraft |
| CN104925247A (en) * | 2015-05-26 | 2015-09-23 | 李宏生 | Helicopter with multiple propellers inclining forwards |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1020393A (en) * | 1964-01-17 | 1966-02-16 | British Aircraft Corp Ltd | Improvements in variable sweep wing mechanism for aircraft |
| US4212441A (en) * | 1978-05-11 | 1980-07-15 | The United States Of America As Represented By The Secretary Of The Air Force | Wing pivot assembly for variable sweep wing aircraft |
| EP2475575B1 (en) * | 2009-09-09 | 2017-11-01 | AeroVironment, Inc. | UAV whith deployable wings and method of flight control |
| CN102849206B (en) * | 2012-10-30 | 2014-09-03 | 河北科技大学 | Wing folding-unfolding mechanism for small unmanned aerial vehicle with folding wings |
| CN107672807A (en) * | 2016-03-30 | 2018-02-09 | 苏州巴涛信息科技有限公司 | A kind of auto-changing wing sweep angle municipal administration afforestation folding wings unmanned plane |
| CN205707297U (en) * | 2016-04-19 | 2016-11-23 | 牛睿 | Fixed-wing unmanned plane |
-
2016
- 2016-03-30 CN CN201711118104.2A patent/CN107672807A/en active Pending
- 2016-03-30 CN CN201711117477.8A patent/CN107813922B/en active Active
- 2016-03-30 CN CN201610191765.7A patent/CN105667763B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4022403A (en) * | 1976-01-28 | 1977-05-10 | Louis Francois Chiquet | Convertible aircraft |
| US5150861A (en) * | 1990-01-26 | 1992-09-29 | The Boeing Company | Variable sweep side force generator and roll control device |
| CN200995782Y (en) * | 2007-01-17 | 2007-12-26 | 赵文志 | Airplane |
| CN202054140U (en) * | 2011-03-11 | 2011-11-30 | 江西洪都航空工业集团有限责任公司 | Wing sweepback-changing worm drive mechanism for unmanned aircraft |
| CN103832585A (en) * | 2012-11-22 | 2014-06-04 | 上海市浦东新区知识产权保护协会 | Cruise aircraft |
| CN104925247A (en) * | 2015-05-26 | 2015-09-23 | 李宏生 | Helicopter with multiple propellers inclining forwards |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107672807A (en) | 2018-02-09 |
| CN105667763B (en) | 2018-01-05 |
| CN107813922B (en) | 2021-02-09 |
| CN107813922A (en) | 2018-03-20 |
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