CN108248835A - A kind of unmanned plane folds landing gear - Google Patents
A kind of unmanned plane folds landing gear Download PDFInfo
- Publication number
- CN108248835A CN108248835A CN201810038072.3A CN201810038072A CN108248835A CN 108248835 A CN108248835 A CN 108248835A CN 201810038072 A CN201810038072 A CN 201810038072A CN 108248835 A CN108248835 A CN 108248835A
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- China
- Prior art keywords
- connecting rod
- sliding block
- rod
- hinged
- unmanned plane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/18—Operating mechanisms
- B64C25/20—Operating mechanisms mechanical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of unmanned planes to fold landing gear, including connecting seat, left landing frame mechanism and right landing frame mechanism, the connecting seat upper end is equipped with upper junction plate, it is connected among the fuselage bottom of the upper junction plate and unmanned plane, both sides are arranged with cross wall plate among the connecting seat, two sliding slots one are arranged on the connecting seat, the left landing frame mechanism is by the first electric pushrod, sliding block one, connecting rod one, connecting rod two, connecting rod three and foot frame rod one form, the right landing frame mechanism is by the second electric pushrod, sliding block three, connecting rod four, connecting rod five, connecting rod six and foot frame rod two form, realize the folding of unmanned plane landing gear, reduce the front face area of flight, the occurrence of avoiding flight unstability caused by high-altitude is interfered by beam wind.
Description
Technical field
The invention belongs to unmanned air vehicle technique field, specifically, the present invention relates to a kind of unmanned planes to fold landing gear.
Background technology
Present multi-rotor unmanned aerial vehicle is designed with foot stool in order to facilitate landing, fuselage lower end, fuselage and ground when avoiding landing
Face contacts, and most of foot stool is all the pipe frame structure of hollow out, but whether being which type of engraved structure, in unmanned plane during flying
In the process, it can all increase the front face area of unmanned plane, increase flight windage；It flies in the environment of height has beam wind in vain simultaneously, because
Front face area for foot stool surrounding is different, unmanned plane is caused to swing, flight stability receives interference.
Patent No.：201621426414.1 a kind of unmanned plane foot stool of Chinese patent, including foot stool, fold mechanism and confession
Gas system, wherein the foot stool per side is made of two side arm bars, upper weld has singletree, lower part between two side arm bars
Bottom supporting rod is welded with, in addition the first free bearing and third free bearing is welded on every side arm bar, two is welded on the downside of bottom supporting rod
A second free bearing, fold mechanism are hinged respectively with the first free bearing, the second free bearing and third free bearing, and air supply system is connect with foot stool,
Fold mechanism is made of cylinder, connecting rod one, connecting rod two, connecting rod three and wheel, and cylinder is hinged with the first free bearing, the piston rod of cylinder
It is hinged with one end of connecting rod one, the other end of connecting rod one is hinged with the second free bearing, the piston rod hinge of two one end of connecting rod and cylinder
It connecing, other end is hinged with wheel subcenter, and hinged among three one end of connecting rod and connecting rod two, other end is hinged with third free bearing,
Air supply system is made of gas nozzle and flexible tracheae, for avoiding the abrasion of unmanned slide landing foot stool.
The patent is to realize the folding of undercarriage idler wheel mechanism, does not realize the folding of entire undercarriage, still
It can influence flight resistance and flight stability.
Invention content
The present invention provides a kind of unmanned plane and folds landing gear, realizes the folding of unmanned plane landing gear, reduces meeting for flight
Wind area, the occurrence of avoiding flight unstability caused by high-altitude is interfered by beam wind.
To achieve these goals, the technical solution taken of the present invention is：A kind of unmanned plane folds landing gear, including connection
Seat, left landing frame mechanism and right landing frame mechanism, the connecting seat upper end are equipped with upper junction plate, the upper junction plate and unmanned plane
Fuselage bottom among connect, both sides are arranged with cross wall plate among the connecting seat, and two are arranged on the connecting seat
Sliding slot one, the left landing frame mechanism is by one group of the first electric pushrod, sliding block one, connecting rod one, connecting rod two, connecting rod three and foot frame rod
Into, the cross wall plate of first electric pushrod and side is bolted to connection, the output terminal of first electric pushrod with
Sliding block one connects, and the sliding block one is slidably connected with sliding slot one, and one upper end of connecting rod is hinged with sliding block one, and lower end is hinged
Equipped with sliding block two, two upper end of connecting rod is with hinged in the middle part of connecting seat, and lower end is hinged with one middle and upper part of connecting rod, on the connecting rod three
End is hinged with two upper end coaxial line of connecting rod, and middle and lower part is equipped with sliding slot two, and sliding block two is slidably connected with sliding slot two, the connecting rod three
Lower end be equipped with casing one, the foot frame rod one wear in casing one, it is described it is right landing frame mechanism by the second electric pushrod, sliding block
3rd, connecting rod four, connecting rod five, connecting rod six and foot frame rod two form, and the cross wall plate of second electric pushrod and other side passes through
Bolt is fixedly connected, and the output terminal of second electric pushrod is connect with sliding block three, and the sliding block three is slidably connected with sliding slot one,
Four upper end of connecting rod is hinged with sliding block three, and lower end is hingedly equipped with sliding block four, five upper end of connecting rod and connecting seat middle part
Hinged, lower end is hinged with four middle and upper part of connecting rod, and six upper end of connecting rod is hinged with five upper end coaxial line of connecting rod, and middle and lower part, which is equipped with, to be slided
Slot three, and sliding block four is slidably connected with sliding slot three, six lower end of connecting rod is equipped with casing two, and the foot frame rod two is worn and casing two
In.
Preferably, one upper surface of sliding slot and lower face are equipped with guide groove.
Preferably, the guide groove can be rectangular channel or " V " type groove.
Preferably, the left landing frame mechanism and right landing frame mechanism are opposite arranged symmetrically in 180 ° with cross wall plate.
Preferably, the connecting rod one, connecting rod two, connecting rod three, casing one, foot frame rod one, connecting rod four, connecting rod five, connecting rod six,
Casing two and foot frame rod two all use carbon fiber pipe material.
It is using the advantageous effect of above technical scheme：The unmanned plane folds landing gear, after unmanned plane takes off, opens simultaneously
Dynamic first electric pushrod and the second electric pushrod, the push rod of the first electric pushrod is shunk turns right fortune with sliding block one along sliding slot one
Dynamic, at the same time, connecting rod one is rotated clockwise around with one hinged place of sliding block, while connecting rod two in the middle part of connecting seat around with being hinged
Place rotates clockwise, because one lower end of connecting rod is hingedly equipped with sliding block two, three middle and lower part of connecting rod is equipped with sliding slot two, and sliding block two
Be slidably connected with sliding slot two, so sliding block two is moved with connecting rod one, make connecting rod three with foot frame rod one around in connecting seat
Portion hinged place rotates clockwise, and realizes the folding of left landing frame mechanism；The push rod of second electric pushrod is shunk with sliding block three
Along sliding slot one toward left movement, at the same time, connecting rod four is rotated counterclockwise around with three hinged place of sliding block, at the same connecting rod five around
It is rotated counterclockwise with hinged place in the middle part of connecting seat, because four lower end of connecting rod is hingedly equipped with sliding block four, six middle and lower part of connecting rod is set
There is sliding slot three, and sliding block four is slidably connected with sliding slot three, so sliding block four is moved with connecting rod four, make connecting rod six with foot frame rod
Two rotate counterclockwise around with hinged place in the middle part of connecting seat, realize the folding of right landing frame mechanism；Realize unmanned plane landing gear
Folding, the occurrence of reducing the front face area of flight, avoid flight unstability caused by high-altitude is interfered by beam wind.
When unmanned plane needs landing, while start the first electric pushrod and the second electric pushrod, the first electric pushrod
Push rod is overhanging, and the push rod of the second electric pushrod is overhanging, realizes the expansion of left landing frame mechanism and right landing frame mechanism.
One upper surface of sliding slot and lower face are equipped with guide groove, and the guide groove can be rectangular channel or " V " type groove, protect
The stability that sliding block one and sliding block three are oriented to along guide groove is demonstrate,proved；The connecting rod one, connecting rod two, connecting rod three, casing one, foot stool
Bar one, connecting rod four, connecting rod five, connecting rod six, casing two and foot frame rod two all using carbon fiber pipe material, realize unmanned plane landing
The lightweight of frame.
Description of the drawings
Fig. 1 is that the unmanned plane folds landing gear overall structure diagram；
Fig. 2 is connecting seat side view；
Fig. 3 is A-A sectional views；
Wherein：
1st, connecting seat；2nd, left landing frame mechanism；3rd, right landing frame mechanism；10th, upper junction plate；11st, cross wall plate；12nd, sliding slot
One；12-1, guide groove；20th, the first electric pushrod；21st, sliding block one；22nd, connecting rod one；22-1, sliding block two；23rd, connecting rod two；24、
Connecting rod three；24-1, sliding slot two；24-2, casing one；25th, foot frame rod one；30th, the second electric pushrod；31st, sliding block three；32nd, connecting rod
Four；32-1, sliding block four；33rd, connecting rod five；34th, connecting rod six；34-1, sliding slot three；34-2, casing two；35th, foot frame rod two.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to the specific embodiment of the present invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to design of the invention, technical solution
Solution, and contribute to its implementation.
As shown in Figure 1 to Figure 3, the present invention is that a kind of unmanned plane folds landing gear, realizes the folding of unmanned plane landing gear, drop
The front face area of low flight, the occurrence of avoiding flight unstability caused by high-altitude is interfered by beam wind.
Specifically, as shown in Figure 1 to Figure 3, including connecting seat 1, left landing frame mechanism 2 and right landing frame mechanism 3, such as scheme
1st, shown in Fig. 2, Fig. 3,1 upper end of connecting seat is equipped with upper junction plate 10, the fuselage bottom of the upper junction plate 10 and unmanned plane
Centre connection, the 1 intermediate both sides of connecting seat are arranged with cross wall plate 11, two sliding slots one are arranged on the connecting seat 1
12, the left landing frame mechanism 2 is by the first electric pushrod 20, sliding block 1, connecting rod 1, connecting rod 2 23, connecting rod 3 24 and foot
Hack lever 1 forms, and first electric pushrod 20 and the cross wall plate 11 of side are bolted to connection, and described first is electronic
The output terminal of push rod 20 is connect with sliding block 1, and the sliding block 1 is slidably connected with sliding slot 1, one 22 upper end of connecting rod
Hinged with sliding block 1, lower end is hingedly equipped with two 22-1 of sliding block, and 2 23 upper end of connecting rod and 1 middle part of connecting seat are hinged,
Lower end is hinged with one 22 middle and upper part of connecting rod, and 3 24 upper end of connecting rod is hinged with 2 23 upper end coaxial line of connecting rod, and middle and lower part is equipped with
Two 24-1 of sliding slot, and two 22-1 of sliding block and two 24-1 of sliding slot is slidably connected, 3 24 lower end of connecting rod is equipped with one 24-2 of casing, institute
State foot frame rod 1 wear in one 24-2 of casing, it is described it is right landing frame mechanism 3 by the second electric pushrod 30, sliding block 3 31, connecting rod
4 32, connecting rod 5 33, connecting rod 6 34 and foot frame rod 2 35 form, second electric pushrod 30 and the cross wall plate 11 of other side
It is bolted to connection, the output terminal of second electric pushrod 30 is connect with sliding block 3 31, the sliding block 3 31 and sliding slot
One 12 are slidably connected, and 4 32 upper end of connecting rod is hinged with sliding block 3 31, and lower end is hingedly equipped with four 32-1 of sliding block, the company
5 33 upper end of bar and 1 middle part of connecting seat are hinged, and lower end is hinged with 4 32 middle and upper part of connecting rod, 6 34 upper end of connecting rod and connecting rod five
33 upper end coaxial lines are hinged, and middle and lower part is equipped with three 34-1 of sliding slot, and four 32-1 of sliding block and three 34-1 of sliding slot is slidably connected, the company
6 34 lower end of bar be equipped with two 34-2 of casing, the foot frame rod 2 35 wear in two 34-2 of casing.
As shown in figure 3, one 12 upper surface of sliding slot and lower face are equipped with guide groove 12-1.
The guide groove 12-1 can be rectangular channel or " V " type groove.
The left landing frame mechanism 2 and right landing frame mechanism 3 are opposite arranged symmetrically in 180 ° with cross wall plate 11.
The connecting rod 1, connecting rod 2 23, connecting rod 3 24, one 24-2 of casing, foot frame rod 1, connecting rod 4 32, connecting rod five
33rd, connecting rod 6 34, two 34-2 of casing and foot frame rod 2 35 all use carbon fiber pipe material.Below with specific embodiment to specific work
It is illustrated as mode：
The unmanned plane folds landing gear, after unmanned plane takes off, while starts the first electric pushrod 20 and second and electronic pushes away
Bar 30, the push rod contraction of the first electric pushrod 20 is turned right with sliding block 1 along sliding slot 1 to be moved, at the same time, connecting rod one
22 rotate clockwise around with one 21 hinged place of sliding block, while connecting rod 2 23 revolves clockwise around with 1 middle part hinged place of connecting seat
Turn, because one 22 lower end of connecting rod is hingedly equipped with two 22-1 of sliding block, 3 24 middle and lower part of connecting rod is equipped with two 24-1 of sliding slot, and sliding block
Two 22-1 are slidably connected with two 24-1 of sliding slot, so two 22-1 of sliding block is moved with connecting rod 1, make connecting rod 3 24 with foot stool
Bar 1 is rotated clockwise around with 1 middle part hinged place of connecting seat, realizes the folding of left landing frame mechanism 2；Second electronic pushes away
The push rod of bar 30 is shunk with sliding block 3 31 along sliding slot 1 toward left movement, at the same time, connecting rod 4 32 around with sliding block three
31 hinged places rotate counterclockwise, while connecting rod 5 33 rotates counterclockwise around with 1 middle part hinged place of connecting seat, because of connecting rod 4 32
Lower end is hingedly equipped with four 32-1 of sliding block, and 6 34 middle and lower part of connecting rod is equipped with three 34-1 of sliding slot, and four 32-1 of sliding block and sliding slot three
34-1 is slidably connected, so four 32-1 of sliding block is moved with connecting rod 4 32, makes connecting rod 6 34 with foot frame rod 2 35 around with connecting
1 middle part hinged place of joint chair rotates counterclockwise, realizes the folding of right landing frame mechanism 3；Realize the folding of unmanned plane landing gear, drop
The front face area of low flight, the occurrence of avoiding flight unstability caused by high-altitude is interfered by beam wind.
When unmanned plane needs landing, while start the first electric pushrod 20 and the second electric pushrod 30, first electronic pushes away
The push rod of bar 20 is overhanging, the push rod of the second electric pushrod 30 is overhanging, realizes left landing frame mechanism 2 and right landing frame mechanism 3
Expansion.
One 12 upper surface of sliding slot and lower face be equipped with guide groove 12-1, the guide groove 12-1 can be rectangular channel or
" V " type groove ensure that the stability that sliding block 1 and sliding block 3 31 are oriented to along guide groove 12-1；The connecting rod 1, connecting rod
2 23, connecting rod 3 24, one 24-2 of casing, foot frame rod 1, connecting rod 4 32, connecting rod 5 33, connecting rod 6 34, two 34-2 of casing and foot
Hack lever 2 35 all using carbon fiber pipe material, realizes the lightweight of unmanned plane landing gear.
The present invention is exemplarily described above in association with attached drawing, it is clear that present invention specific implementation is not by above-mentioned side
The limitation of formula, as long as employ the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress；Or not
It is improved, the above-mentioned design of the present invention and technical solution are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (5)
1. a kind of unmanned plane folds landing gear, it is characterised in that：Including connecting seat (1), left landing frame mechanism (2) and right landing gear
Mechanism (3), connecting seat (1) upper end are equipped with upper junction plate (10), the upper junction plate (10) and the fuselage bottom of unmanned plane
Centre connection, the intermediate both sides of the connecting seat (1) are arranged with cross wall plate (11), two are arranged on the connecting seat (1)
Sliding slot one (12), the left landing frame mechanism (2) is by the first electric pushrod (20), sliding block one (21), connecting rod one (22), connecting rod two
(23), connecting rod three (24) and foot frame rod one (25) composition, first electric pushrod (20) and the cross wall plate (11) of side pass through
Bolt is fixedly connected, and the output terminal of first electric pushrod (20) is connect with sliding block one (21), and the sliding block one (21) is with sliding
Slot one (12) is slidably connected, and described one (22) upper end of connecting rod is hinged with sliding block one (21), and lower end is hingedly equipped with sliding block two
(22-1), with hinged in the middle part of connecting seat (1), lower end and connecting rod one (22) middle and upper part are hinged, described for described two (23) upper end of connecting rod
Connecting rod three (24) upper end is hinged with connecting rod two (23) upper end coaxial line, and middle and lower part is equipped with sliding slot two (24-1), and two (22- of sliding block
1) it is slidably connected with sliding slot two (24-1), described three (24) lower end of connecting rod is equipped with casing one (24-2), the foot frame rod one (25)
Wear in casing one (24-2), it is described it is right landing frame mechanism (3) by the second electric pushrod (30), sliding block three (31), connecting rod four
(32), connecting rod five (33), connecting rod six (34) and foot frame rod two (35) composition, second electric pushrod (30) and other side
Cross wall plate (11) is bolted to connection, and the output terminal of second electric pushrod (30) is connect with sliding block three (31), described
Sliding block three (31) is slidably connected with sliding slot one (12), and described four (32) upper end of connecting rod is hinged with sliding block three (31), lower end hinge
Be equipped with sliding block four (32-1), described five (33) upper end of connecting rod with hinged in the middle part of connecting seat (1), lower end in connecting rod four (32) on
Portion is hinged, and described six (34) upper end of connecting rod is hinged with connecting rod five (33) upper end coaxial line, and middle and lower part is equipped with sliding slot three (34-1), and
Sliding block four (32-1) is slidably connected with sliding slot three (34-1), and described six (34) lower end of connecting rod is equipped with casing two (34-2), the foot
Hack lever two (35) wear in casing two (34-2).
2. a kind of unmanned plane according to claim 1 folds landing gear, it is characterised in that：Described one (12) upper surface of sliding slot
Guide groove (12-1) is equipped with lower face.
3. a kind of unmanned plane according to claim 2 folds landing gear, it is characterised in that：The guide groove (12-1) can be
Rectangular channel or " V " type groove.
4. a kind of unmanned plane according to claim 1 folds landing gear, it is characterised in that：The left landing frame mechanism (2)
It is opposite with right landing frame mechanism (3) to be symmetrical arranged with cross wall plate (11) in 180 °.
5. a kind of unmanned plane according to claim 1 folds landing gear, it is characterised in that：The connecting rod one (22), connecting rod
Two (23), connecting rod three (24), casing one (24-2), foot frame rod one (25), connecting rod four (32), connecting rod five (33), connecting rod six (34),
Casing two (34-2) and foot frame rod two (35) all use carbon fiber pipe material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810038072.3A CN108248835A (en) | 2018-01-16 | 2018-01-16 | A kind of unmanned plane folds landing gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810038072.3A CN108248835A (en) | 2018-01-16 | 2018-01-16 | A kind of unmanned plane folds landing gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108248835A true CN108248835A (en) | 2018-07-06 |
Family
ID=62741143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810038072.3A Pending CN108248835A (en) | 2018-01-16 | 2018-01-16 | A kind of unmanned plane folds landing gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108248835A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319782A (en) * | 2020-10-13 | 2021-02-05 | 盐城骏拔汽车零部件有限公司 | Self-balancing unmanned aerial vehicle foot stand and balancing method thereof |
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| US20070144846A1 (en) * | 2005-12-23 | 2007-06-28 | Messier-Bugatti | Telescopic actuator with a main rod and an auxiliary rod, and a method making use thereof |
| CN101920781A (en) * | 2009-06-11 | 2010-12-22 | 梅西耶-布加蒂公司 | Power operation actuator with hydraulic damping |
| CN105383685A (en) * | 2014-08-22 | 2016-03-09 | 空中客车营运有限公司 | Landing gear assembly |
| CN105517894A (en) * | 2014-11-26 | 2016-04-20 | 深圳市大疆创新科技有限公司 | Undercarriage and aircraft using same |
| CN205668639U (en) * | 2016-06-12 | 2016-11-02 | 广州市司派克航空器材有限公司 | Full-automatic alighting carriage spring Mechanical course let-down system |
| CN106494524A (en) * | 2016-10-13 | 2017-03-15 | 黄河交通学院 | A kind of half flight formula medicinal sprayer |
| US20170327207A1 (en) * | 2016-05-13 | 2017-11-16 | Luis Sierra | Retractable wheel assembly |
| CN207389538U (en) * | 2018-01-16 | 2018-05-22 | 安徽翼讯飞行安全技术有限公司 | A folding landing frame for UAV |
-
2018
- 2018-01-16 CN CN201810038072.3A patent/CN108248835A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070144846A1 (en) * | 2005-12-23 | 2007-06-28 | Messier-Bugatti | Telescopic actuator with a main rod and an auxiliary rod, and a method making use thereof |
| CN101920781A (en) * | 2009-06-11 | 2010-12-22 | 梅西耶-布加蒂公司 | Power operation actuator with hydraulic damping |
| CN105383685A (en) * | 2014-08-22 | 2016-03-09 | 空中客车营运有限公司 | Landing gear assembly |
| CN105517894A (en) * | 2014-11-26 | 2016-04-20 | 深圳市大疆创新科技有限公司 | Undercarriage and aircraft using same |
| US20170327207A1 (en) * | 2016-05-13 | 2017-11-16 | Luis Sierra | Retractable wheel assembly |
| CN205668639U (en) * | 2016-06-12 | 2016-11-02 | 广州市司派克航空器材有限公司 | Full-automatic alighting carriage spring Mechanical course let-down system |
| CN106494524A (en) * | 2016-10-13 | 2017-03-15 | 黄河交通学院 | A kind of half flight formula medicinal sprayer |
| CN207389538U (en) * | 2018-01-16 | 2018-05-22 | 安徽翼讯飞行安全技术有限公司 | A folding landing frame for UAV |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319782A (en) * | 2020-10-13 | 2021-02-05 | 盐城骏拔汽车零部件有限公司 | Self-balancing unmanned aerial vehicle foot stand and balancing method thereof |
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Effective date of abandoning: 20240202 |