CN105056543A - Five-link nose landing gear - Google Patents
Five-link nose landing gear Download PDFInfo
- Publication number
- CN105056543A CN105056543A CN201510466598.8A CN201510466598A CN105056543A CN 105056543 A CN105056543 A CN 105056543A CN 201510466598 A CN201510466598 A CN 201510466598A CN 105056543 A CN105056543 A CN 105056543A
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- wheel
- connecting rod
- steering
- leg
- hatch door
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Abstract
The invention provides a five-link nose landing gear, which comprises a five-link mechanism, a main supporting leg mechanism, a steering mechanism and a kneeing wheel mechanism. The nose landing gear designed by the invention is simple in structure, original and unique; by virtue of five-rod linkage, main supporting legs are folded and unfolded, and a dead center position is arranged to guarantee sufficient stress strength. The main supporting legs are subject to sectional design, so that a damping effect is good. The steering mechanism, which is original and unique in design, can guarantee the independence of steering, and can simultaneously eliminate a gap error so as to avoid interference with the folding/unfolding of the landing gear. By virtue of kneeing wheels, the damping effect is further enhanced and image truth is guaranteed to the greatest extent. The whole set of the mechanism is simple and reliable, and is original and unique.
Description
Technical field
The invention provides a kind of five connecting rod nose-gears, belong to model plane undercarriage technical field.
Background technology
Model plane have more and more been come in the life of people now, in model plane field, large-scale whirlpool spray/duct more and more receives an acclaim as prototype, with the profile that it is true to nature, high-tech technology application enjoys high praise, and Landing Gear Design is one piece of important content always, according to statistics, most aircraft bombings is exactly unreasonable because of Landing Gear Design, and bearing capacity is unreasonable to be caused.And the popular undercarriage price in present market is general partially expensive and the life-span is shorter, brings irrational loss requirement to user.
Summary of the invention
For the problems referred to above, the invention provides a kind of five connecting rod main landing gears, its profile is true to nature, reasonable in design, and bearing capacity is outstanding, can effectively eliminate the stagger brought in gap, and manufacture simultaneously, maintenance cost is cheap, be applicable to promoting.
The technical solution adopted in the present invention is: a kind of five connecting rod nose-gears, comprising: steering wheel, steering wheel mount pad, first connecting rod, connect bearing pin, second connecting rod, fixed pin shaft, cabin is installed, third connecting rod, Hinge mechanism, hatch door, double leval jib, headlight, snap ring, installation shaft, steering wheel connecting axle, hatch door draw-bar seat, ball is buckled (17), hatch door pull bar, active pull rod seat, hatch door slide bar, upper supporting leg, steering-engine, steering-engine fixed frame, steering linkage, turn to swing arm, steering driving shaft, intermediate supports leg, kneel wheel snap ring, hold-down nut, wheel axle, wheel, lower support leg, kneel wheel bearing pin, kneel wheel first connecting rod, kneel wheel second connecting rod, kneel wheel and connect bearing pin, anti-twist pin axle, it is characterized in that: described steering wheel is fixedly mounted in steering wheel mount pad, steering wheel connecting axle is fixedly connected on the axle head of steering wheel, wheel axle is installed on kneels wheel first connecting rod, keep two ends impartial, two wheels roll and are arranged on wheel axle, and it is locked with hold-down nut, kneeling wheel first connecting rod is fixedly mounted in the installing hole of lower support leg by kneeling wheel bearing pin, the other end kneeling wheel first connecting rod connects bearing pin with kneeling and takes turns second connecting rod small end by kneeling wheel and be rotationally connected, lower support leg is sleeved in the interior pipe of intermediate supports leg, steering driving shaft is installed in the locating hole of lower support leg, ensure that steering driving shaft is cut in the horizontal U-lag of intermediate supports leg simultaneously, guarantee lower support leg and the accurate positioning of intermediate supports leg, to kneel wheel snap ring is fixedly mounted on lower support leg, on the upside of keeping kneeling wheel snap ring, end face abuts against on the lower surface of intermediate supports leg, by kneel wheel second connecting rod large end by kneel wheel connect bearing pin be rotatably installed in kneel wheel snap ring installing hole in, guarantee is kneeled wheel first connecting rod with kneeling and is taken turns second connecting rod side and parallel, steering-engine is mounted on the section of intermediate supports leg, fix with steering-engine fixed frame simultaneously, swing arm is turned to be fixedly mounted on the axle head of steering-engine, two steering linkage symmetries are arranged in the installation aperture at the two ends turning to swing arm, the upper-lower position of adjustment steering-engine, guarantee turns to swing arm, the respective mid-plane of steering linkage and steering driving shaft is coplanar, the other end of two steering linkages symmetry is installed on the two ends of steering driving shaft, ensure steering driving shaft, two steering linkages and turn to the central axis of swing arm four coplanar, form a parallelogram simultaneously, upper supporting leg is installed on the other end of intermediate supports leg, anti-twist pin axle is installed in the installing hole of upper supporting leg, ensure that the face of cylinder of anti-twist pin axle is cut in the vertical U-lag of intermediate supports leg simultaneously, guarantee can only slide up and down between intermediate supports leg and upper supporting leg, the other end of upper supporting leg is rotatably installed in installation shaft, headlight is fixedly mounted on the leading flank of intermediate supports leg, ensures that light is to front irradiation, one end of first connecting rod is fixedly mounted on steering wheel connecting axle, guarantees the two synchronous axial system, and the first connecting rod other end is rotatably installed on the small end of third connecting rod by connecting bearing pin, and second connecting rod one end is rotatably installed on fixed pin shaft, snap ring is fixedly mounted on supporting leg, and the large end of double leval jib is rotatably installed on the bearing pin of snap ring, the small end of the other end of second connecting rod, the large end of third connecting rod, double leval jib, three rotates installation by connecting bearing pin, guarantee that the lateral surface of first connecting rod, second connecting rod, third connecting rod, double leval jib is parallel to each other simultaneously, guarantee mutually link smoothly between all connecting rods, hatch door is rotatably installed in by Hinge mechanism to be installed on cabin, hatch door draw-bar seat is fixedly mounted in the rotating shaft of supporting leg, the central axis of the center line of hatch door draw-bar seat length direction and upper supporting leg must be ensured in angle of 45 degrees simultaneously, hatch door pull bar one end is buckled by ball and is connected with hatch door draw-bar seat, the other end is buckled by ball and is connected with active pull rod seat, active pull rod seat is slidably mounted on the traveller of hatch door slide bar, and hatch door slide bar is fixedly mounted on hatch door.
Further, between intermediate supports leg and upper supporting leg, damping spring is installed.
Further, described steering wheel (1) is 90 degree of large torsion metal steering wheels.
Further, described a whole set of undercarriage is a module, sets up separately.
The present invention adopts above technology path, rational in infrastructure, acts freely, and simultaneously with dead point locking position, can ensure that reasonable stress is even, protection steering wheel, turning function is independent, eliminates play error.
Accompanying drawing explanation
Fig. 1 be of the present invention gear down time structural representation.
Structural representation when Fig. 2 is gear up of the present invention.
Fig. 3 is another view of the present invention.
Drawing reference numeral: 1-steering wheel; 2-steering wheel mount pad; 3-first connecting rod; 4-connects bearing pin; 5-second connecting rod; 6-fixed pin shaft; 7-installs cabin; 8-third connecting rod; 9-Hinge mechanism; 10-hatch door; 11-double leval jib; 12-headlight; 13-snap ring; 14-installation shaft; 15-steering wheel connecting axle; 16-hatch door draw-bar seat; 17-ball is buckled; 18-hatch door pull bar; 19-active pull rod seat; 20-hatch door slide bar; The upper supporting leg of 21-; 22-steering-engine; 23-steering-engine fixed frame; 24-steering linkage; 25-turns to swing arm; 26-steering driving shaft; 27-intermediate supports leg; 28-kneels wheel snap ring; 29-hold-down nut; 30-wheel axle; 31-wheel; 32-lower support leg; 33-kneels wheel bearing pin; 34-kneels wheel first connecting rod; 35-kneels wheel second connecting rod; 36-kneels wheel and connects bearing pin; The anti-twist pin axle of 37-.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, is used for explaining the present invention in this illustrative examples of inventing and explanation, but not as a limitation of the invention.
As Fig. 1, Fig. 2, shown in Fig. 3, a kind of five connecting rod nose-gears, a kind of five connecting rod nose-gears, comprising: steering wheel 1, steering wheel mount pad 2, first connecting rod 3, connect bearing pin 4, second connecting rod 5, fixed pin shaft 6, cabin 7 is installed, third connecting rod 8, Hinge mechanism 9, hatch door 10, double leval jib 11, headlight 12, snap ring 13, installation shaft 14, steering wheel connecting axle 15, hatch door draw-bar seat 16, ball buckles 17, hatch door pull bar 18, active pull rod seat 19, hatch door slide bar 20, upper supporting leg 21, steering-engine 22, steering-engine fixed frame 23, steering linkage 24, turn to swing arm 25, steering driving shaft 26, intermediate supports leg 27, kneel wheel snap ring 28, hold-down nut 29, wheel axle 30, wheel 31, lower support leg 32, kneel wheel bearing pin 33, kneel wheel first connecting rod 34, kneel wheel second connecting rod 35, kneel wheel and connect bearing pin 36, anti-twist pin axle 37, steering wheel 1 is fixedly mounted in steering wheel mount pad 2, steering wheel connecting axle 15 is fixedly connected on the axle head of steering wheel 1, wheel axle 30 is installed on kneels wheel first connecting rod 34, keep two ends impartial, two wheels 31 roll and are arranged on wheel axle 30, and it is locked with hold-down nut 29, kneeling wheel first connecting rod 34 is fixedly mounted in the installing hole of lower support leg 32 by kneeling wheel bearing pin 33, the other end kneeling wheel first connecting rod 34 connects bearing pin 36 with kneeling and takes turns second connecting rod 35 small end by kneeling wheel and be rotationally connected, lower support leg 32 is sleeved in the interior pipe of intermediate supports leg 27, steering driving shaft 26 is installed in the locating hole of lower support leg 32, ensure that steering driving shaft 26 is cut in the horizontal U-lag of intermediate supports leg 27 simultaneously, guarantee lower support leg 32 and intermediate supports leg 27 accurate positioning, to kneel wheel snap ring 28 is fixedly mounted on lower support leg 32, on the upside of keeping kneeling wheel snap ring 28, end face abuts against on the lower surface of intermediate supports leg 27, by kneel wheel second connecting rod 35 large end by kneel wheel connect bearing pin 36 be rotatably installed in kneel wheel snap ring 28 installing hole in, guarantee is kneeled wheel first connecting rod 34 with kneeling and is taken turns second connecting rod 35 side and parallel, steering-engine 22 is mounted on the section of intermediate supports leg 27, fix with steering-engine fixed frame 23 simultaneously, swing arm 25 is turned to be fixedly mounted on the axle head of steering-engine 22, two steering linkage 24 symmetries are arranged in the installation aperture at the two ends turning to swing arm 25, the upper-lower position of adjustment steering-engine 22, guarantee turns to swing arm 25, the respective mid-plane of steering linkage 24 and steering driving shaft 26 is coplanar, the other end of two steering linkages 24 symmetry is installed on the two ends of steering driving shaft 26, ensure steering driving shaft 26, two steering linkages 24 and turn to the central axis of swing arm 25 4 coplanar, form a parallelogram simultaneously, upper supporting leg 21 is installed on the other end of intermediate supports leg 27, anti-twist pin axle 37 is installed in the installing hole of upper supporting leg 21, ensure that the face of cylinder of anti-twist pin axle 37 is cut in the vertical U-lag of intermediate supports leg 27 simultaneously, guarantee can only slide up and down between intermediate supports leg 27 and upper supporting leg 21, the other end of upper supporting leg 21 is rotatably installed in installation shaft 14, headlight 12 is fixedly mounted on the leading flank of intermediate supports leg 27, ensures that light is to front irradiation, one end of first connecting rod 3 is fixedly mounted on steering wheel connecting axle 15, guarantees the two synchronous axial system, and first connecting rod 3 other end is rotatably installed on the small end of third connecting rod 8 by connecting bearing pin 4, and second connecting rod 5 one end is rotatably installed on fixed pin shaft 6, snap ring 13 is fixedly mounted on supporting leg 21, and the large end of double leval jib 11 is rotatably installed on the bearing pin of snap ring 13, the small end of the other end of second connecting rod 8, the large end of third connecting rod 8, double leval jib 11, three rotates installation by connecting bearing pin 4, guarantee that the lateral surface of first connecting rod 3, second connecting rod 5, third connecting rod 8, double leval jib 11 is parallel to each other simultaneously, guarantee mutually link smoothly between all connecting rods, hatch door 10 is rotatably installed in by Hinge mechanism 9 to be installed on cabin 7, hatch door draw-bar seat 16 is fixedly mounted in the rotating shaft of supporting leg 21, the central axis of the center line of hatch door draw-bar seat 16 length direction and upper supporting leg 21 must be ensured in angle of 45 degrees simultaneously, hatch door pull bar 18 one end is buckled 17 by ball and is connected with hatch door draw-bar seat 16, the other end is buckled 17 by ball and is connected with active pull rod seat 19, active pull rod seat 19 is slidably mounted on the traveller of hatch door slide bar 20, and hatch door slide bar 20 is fixedly mounted on hatch door 10.
For realizing the buffering to load, between intermediate supports leg 27 and upper supporting leg 21, damping spring is installed.For ensureing the reasonable folding and unfolding of main landing gear, can not interfere, described steering wheel 1 is 90 degree of large torsion metal steering wheels.For ensureing that a whole set of undercarriage is easy for installation aboard, be convenient to dismounting, maintenance, described a whole set of undercarriage is a module, sets up separately.
Operation principle of the present invention is: after taking off, control sends instruction, pack up undercarriage, steering wheel 1 accepts instruction number and starts action, steering wheel connecting axle 15 is driven to rotate clockwise, first connecting rod 3 is driven to rotate clockwise, first connecting rod 3 drives third connecting rod 8 to move by connecting bearing pin 4, third connecting rod 8 drives second connecting rod 5 and double leval jib 11 to swing by connecting bearing pin 4 again, double leval jib 11 is driven by snap ring 13 and goes up supporting leg 21 and upwards swing, simultaneously hatch door draw-bar seat 16 is buckled 17 by ball and is driven hatch door pull bar 18 to move, finally by active pull rod seat 19, hatch door slide bar 20 drives hatch door 10 to close together, when steering wheel 1 turns over 90 degree, action completes, and now wheel 31 is stowed in peace completely and turns in cabin 7, and hatch door 10 is completely closed.When gear down, equally by steering wheel 1 rotates counterclockwise, what complete is the negative actuation of wheel 31 when packing up, and stop when steering wheel 1 turns over 90 degree counterclockwise, wheel 31 puts down action and completes, and hatch door 10 now is also in full open position.Second connecting rod 5 and double leval jib 11 are in straight line simultaneously, form dead point locked, and guarantee that upper supporting leg 21 is enough by force intensity, spring is guaranteed to cushion reasonable benefit/risk simultaneously, guarantees to land successfully.When needs turn to, steering-engine 22 rotates, and drives simultaneously and turns to swing arm 25 to rotate, after turning to swing arm 25 to swing, side drives steering linkage 24 to move backward, and side drives steering linkage 24 to travel forward, thus promotion steering driving shaft 26 rotates, steering driving shaft 26 can drive lower support leg 32 to swing, and then drives two wheels 31 to rotate, and final realization turns to, the operation of jack can not be disturbed in steering procedure simultaneously, installed by pretension, can effectively eliminate play error, reliable and stable.
Claims (4)
1. five connecting rod nose-gears, comprise steering wheel (1), steering wheel mount pad (2), first connecting rod (3), connect bearing pin (4), second connecting rod (5), fixed pin shaft (6), cabin (7) is installed, third connecting rod (8), Hinge mechanism (9), hatch door (10), double leval jib (11), headlight (12), snap ring (13), installation shaft (14), steering wheel connecting axle (15), hatch door draw-bar seat (16), ball is buckled (17), hatch door pull bar (18), active pull rod seat (19), hatch door slide bar (20), upper supporting leg (21), steering-engine (22), steering-engine fixed frame (23), steering linkage (24), turn to swing arm (25), steering driving shaft (26), intermediate supports leg (27), kneel wheel snap ring (28), hold-down nut (29), wheel axle (30), wheel (31), lower support leg (32), kneel wheel bearing pin (33), kneel wheel first connecting rod (34), kneel wheel second connecting rod (35), kneel wheel and connect bearing pin (36), anti-twist pin axle (37), it is characterized in that: described steering wheel (1) is fixedly mounted in steering wheel mount pad (2), steering wheel connecting axle (15) is fixedly connected on the axle head of steering wheel (1), wheel axle (30) is installed on kneels wheel first connecting rod (34), keep two ends impartial, two wheel (31) rollings are arranged on wheel axle (30), and it is locked with hold-down nut (29), kneeling wheel first connecting rod (34) is fixedly mounted in the installing hole of lower support leg (32) by kneeling wheel bearing pin (33), the other end kneeling wheel first connecting rod (34) connects bearing pin (36) with kneeling and takes turns second connecting rod (35) small end by kneeling wheel and be rotationally connected, lower support leg (32) is sleeved in the interior pipe of intermediate supports leg (27), steering driving shaft (26) is installed in the locating hole of lower support leg (32), ensure that steering driving shaft (26) is cut in the horizontal U-lag of intermediate supports leg (27) simultaneously, guarantee lower support leg (32) and intermediate supports leg (27) accurate positioning, to kneel wheel snap ring (28) is fixedly mounted on lower support leg (32), keeping kneeling wheel snap ring (28) upside end face abuts against on the lower surface of intermediate supports leg (27), by kneel wheel second connecting rod (35) large end by kneel wheel connect bearing pin (36) be rotatably installed in kneel wheel snap ring (28) installing hole in, guarantee is kneeled wheel first connecting rod (35) with kneeling and is taken turns second connecting rod (34) side and parallel, steering-engine (22) is mounted on the section of intermediate supports leg (27), use steering-engine fixed frame (23) to fix simultaneously, swing arm (25) is turned to be fixedly mounted on the axle head of steering-engine (22), two steering linkage (24) symmetries are arranged in the installation aperture at the two ends turning to swing arm (25), the upper-lower position of adjustment steering-engine (22), guarantee turns to swing arm (25), the respective mid-plane of steering linkage (24) and steering driving shaft (26) is coplanar, the other end symmetry of two steering linkages (24) is installed on the two ends of steering driving shaft (26), ensure steering driving shaft (26), two steering linkages (24) and turn to the central axis of swing arm (25) four coplanar, form a parallelogram simultaneously, upper supporting leg (21) is installed on the other end of intermediate supports leg (27), anti-twist pin axle (37) is installed in the installing hole of upper supporting leg (21), ensure that the face of cylinder of anti-twist pin axle (37) is cut in the vertical U-lag of intermediate supports leg (27) simultaneously, guarantee can only slide up and down between intermediate supports leg (27) and upper supporting leg (21), the other end of upper supporting leg (21) is rotatably installed in installation shaft (14), headlight (12) is fixedly mounted on the leading flank of intermediate supports leg (27), ensures that light is to front irradiation, one end of first connecting rod (3) is fixedly mounted on steering wheel connecting axle (15), guarantee the two synchronous axial system, first connecting rod (3) other end is rotatably installed on the small end of third connecting rod (8) by connecting bearing pin (4), and second connecting rod (5) one end is rotatably installed on fixed pin shaft (6), snap ring (13) is fixedly mounted on supporting leg (21), and the large end of double leval jib (11) is rotatably installed on the bearing pin of snap ring (13), the other end of second connecting rod (5), the large end of third connecting rod (8), the small end of double leval jib (11), three rotates installation by connecting bearing pin (4), guarantee that the lateral surface of first connecting rod (3), second connecting rod (5), third connecting rod (8), double leval jib (11) is parallel to each other simultaneously, guarantee mutually link smoothly between all connecting rods, hatch door (11) is rotatably installed in by Hinge mechanism (9) to be installed on cabin (7), hatch door draw-bar seat (16) is fixedly mounted in the rotating shaft of supporting leg (21), the central axis of the center line of hatch door draw-bar seat (16) length direction and upper supporting leg (21) must be ensured in angle of 45 degrees simultaneously, hatch door pull bar (18) one end is buckled (17) by ball and is connected with hatch door draw-bar seat (16), the other end is buckled (17) by ball and is connected with active pull rod seat (19), active pull rod seat (19) is slidably mounted on the traveller of hatch door slide bar (20), and hatch door slide bar (20) is fixedly mounted on hatch door (10).
2. a kind of five connecting rod nose-gears as claimed in claim 1, is characterized in that: be provided with damping spring between intermediate supports leg (27) and upper supporting leg (21).
3. a kind of five connecting rod nose-gears as claimed in claim 1, is characterized in that: described steering wheel (1) is 90 degree of large torsion metal steering wheels.
4. a kind of five connecting rod nose-gears as claimed in claim 1, is characterized in that: described a whole set of undercarriage is a module, sets up separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510466598.8A CN105056543B (en) | 2015-08-03 | 2015-08-03 | A kind of five connecting rod nose-gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510466598.8A CN105056543B (en) | 2015-08-03 | 2015-08-03 | A kind of five connecting rod nose-gears |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105056543A true CN105056543A (en) | 2015-11-18 |
| CN105056543B CN105056543B (en) | 2017-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510466598.8A Expired - Fee Related CN105056543B (en) | 2015-08-03 | 2015-08-03 | A kind of five connecting rod nose-gears |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143881A (en) * | 2016-07-29 | 2016-11-23 | 江西核工业测绘院 | A kind of unmanned plane deceleration damping undercarriage |
| CN106218866A (en) * | 2016-08-19 | 2016-12-14 | 中航飞机起落架有限责任公司 | A kind of backplate follower of undercarriage |
| CN107985562A (en) * | 2017-12-07 | 2018-05-04 | 清华大学 | A kind of lightweight compact formula undercarriage |
| CN110973793A (en) * | 2019-12-20 | 2020-04-10 | 南通大学 | Intelligent luggage case |
| CN111470034A (en) * | 2020-04-29 | 2020-07-31 | 江苏工程职业技术学院 | Linkage mechanism of follow-up switch of landing gear cabin door of airplane |
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| JP2008104599A (en) * | 2006-10-25 | 2008-05-08 | Epf Hobby Co Ltd | Landing gear system and toy airplane with the same |
| CN201500456U (en) * | 2009-09-09 | 2010-06-09 | 王领军 | Landing gear receive-and-release device used for model airplane |
| CN204093040U (en) * | 2014-09-17 | 2015-01-14 | 安徽工程大学 | A kind of operation of landing gear and there are its model plane |
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2015
- 2015-08-03 CN CN201510466598.8A patent/CN105056543B/en not_active Expired - Fee Related
Patent Citations (6)
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| US2551788A (en) * | 1945-01-09 | 1951-05-08 | Cameron Donald William | Flight timer and retractable landing gear for model airplanes |
| JPS5047725A (en) * | 1973-04-06 | 1975-04-28 | ||
| CN101161321A (en) * | 2006-10-13 | 2008-04-16 | 伊比虎模型有限公司 | Wheel-receiving device of model airplane |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143881A (en) * | 2016-07-29 | 2016-11-23 | 江西核工业测绘院 | A kind of unmanned plane deceleration damping undercarriage |
| CN106143881B (en) * | 2016-07-29 | 2018-09-14 | 江西核工业测绘院 | A kind of unmanned plane deceleration damping undercarriage |
| CN106218866A (en) * | 2016-08-19 | 2016-12-14 | 中航飞机起落架有限责任公司 | A kind of backplate follower of undercarriage |
| CN106218866B (en) * | 2016-08-19 | 2018-07-27 | 中航飞机起落架有限责任公司 | A kind of backplate follower of undercarriage |
| CN107985562A (en) * | 2017-12-07 | 2018-05-04 | 清华大学 | A kind of lightweight compact formula undercarriage |
| CN110973793A (en) * | 2019-12-20 | 2020-04-10 | 南通大学 | Intelligent luggage case |
| CN111470034A (en) * | 2020-04-29 | 2020-07-31 | 江苏工程职业技术学院 | Linkage mechanism of follow-up switch of landing gear cabin door of airplane |
| CN111470034B (en) * | 2020-04-29 | 2021-09-07 | 江苏工程职业技术学院 | Linkage mechanism of follow-up switch of landing gear cabin door of airplane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105056543B (en) | 2017-07-28 |
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Inventor after: Xiang Mingbo Inventor before: Jin Jian |
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Effective date of registration: 20170703 Address after: City Economic and Technological Development Zone, Zhejiang province Wenzhou 325100 Center Street Street No. 111 Applicant after: Xiang Mingbo Address before: 325016, 190, Sha Xi Street, Qu Town, Ouhai District, Zhejiang, Wenzhou Applicant before: Jin Jian |
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Effective date of registration: 20180412 Address after: 519085 Guangdong Zhuhai high tech Zone, Tangjia Bay, Kwun Tong Industrial Zone, 2 floor second, fourth floor. Patentee after: Zhuhai Detian Aircraft Model Co.,Ltd. Address before: City Economic and Technological Development Zone, Zhejiang province Wenzhou 325100 Center Street Street No. 111 Patentee before: Xiang Mingbo |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20210803 |