CN109050887B - Aircraft undercarriage with reserve braced system - Google Patents
Aircraft undercarriage with reserve braced system Download PDFInfo
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- CN109050887B CN109050887B CN201810963292.7A CN201810963292A CN109050887B CN 109050887 B CN109050887 B CN 109050887B CN 201810963292 A CN201810963292 A CN 201810963292A CN 109050887 B CN109050887 B CN 109050887B
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- support frame
- connecting rod
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Jib Cranes (AREA)
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Abstract
The invention relates to an aircraft landing gear with a standby support system, which can realize the contraction and extension of the landing gear in the taking-off and landing process of an aircraft through a main support frame, a main support wheel, an elastic buffer device, a standby support frame, a standby support wheel and other devices.
Description
Technical Field
The invention relates to an aircraft landing gear, in particular to an aircraft landing gear with a standby support system.
Background
In recent years, with the improvement of the living standard and the requirement of the living quality and the continuous progress of the development of the social science and technology, more and more intelligent vehicles enter the visual field of people, such as: high-speed railway, light rail, barricade, high-speed maglev train, unmanned aerial vehicle, single round intelligence car of riding instead of walk etc. under the prerequisite of guaranteeing people's trip safety, high-efficient comfortable stability is the universal pursuit of passenger, and this also becomes the main objective that research and development personnel improved, developed the innovative traffic tool of going on a journey at present stage.
The airplane as a common vehicle also pays more and more attention to the improvement and perfect optimization of traditional equipment and parts at present, the airplane landing gear is especially the same, the traditional airplane landing gear adopts a single set of supporting system mode in consideration of the self quality of the airplane and other reasons, once the airplane landing gear has an accident, the life and property of the airplane personnel are seriously threatened, and the consequence is unreasonable.
Disclosure of Invention
In view of the above-mentioned deficiencies, the present invention provides an aircraft landing gear with a backup support system.
The invention is realized by the following technical scheme: an aircraft landing gear with a standby supporting system comprises a fuselage, a standby supporting frame, a standby wheel supporting device, a standby supporting wheel, a main supporting wheel connecting rod, a main supporting frame auxiliary supporting rod, a main supporting frame, a main threaded rod end socket, a main sliding head, threads, a main threaded rod, a lug I, a rotary shaft I, a main supporting frame auxiliary supporting rod connecting rod, a rotary shaft II, a main supporting frame lower connecting rod, a main supporting frame elastic adjusting device, a main supporting frame upper connecting rod, a lug II, a rotary shaft III, a rotary shaft IV, a standby supporting frame auxiliary supporting rod connecting rod, a rotary shaft V, a lug III, a standby threaded rod, a standby sliding head, a standby threaded rod end socket, a rotary shaft VI, a standby supporting frame upper connecting rod, a standby supporting frame elastic adjusting device, a standby supporting frame lower connecting rod, a supporting wheel shaft, a lug IV, an upper mounting platform, a fastening bolt I, elastic buffer device I, mount table down, main tributary support movable connecting rod, lower shrouding, reserve support frame elasticity adjusting device wall, elastic buffer device II, reserve support frame elasticity adjusting device shrouding, ka tai II, reserve support movable connecting rod, fastening bolt II, ka tai III.
The aircraft landing gear with the standby support system is characterized in that the upper end of a main support frame is connected with a fuselage, the middle part of the main support frame is connected with the fuselage through an auxiliary support rod of the main support frame, and the lower end of the main support frame is connected with a main support wheel connecting rod; both ends of the main supporting wheel connecting rod are connected with the main supporting wheel; the machine body is connected to reserve support frame upper end, and the lower extreme passes through reserve wheel strutting arrangement and connects reserve supporting wheel.
An aircraft landing gear with a standby support system, wherein a main support frame comprises a main support frame lower connecting rod, a main support frame elastic adjusting device and a main support frame upper connecting rod; the upper end of the upper connecting rod of the main support frame is connected with the machine body through a rotating shaft III, the lower end of the upper connecting rod of the main support frame is connected with the lower connecting rod of the main support frame through an elastic adjusting device of the main support frame, and one side of the upper connecting rod of the main support frame is connected with a lug II; the lower end of the lower connecting rod of the main support frame is connected with a main supporting wheel connecting rod.
The aircraft landing gear with the standby support system comprises a main support frame auxiliary support rod, a main support frame auxiliary support rod connecting rod, a rotating shaft I and a main support frame auxiliary support rod connecting rod, wherein the main support frame auxiliary support rod connecting rod is connected with the main support frame auxiliary support rod connecting rod through a rotating shaft II; one end of the main support frame auxiliary support rod connecting rod is connected with the lug II through the rotary shaft II, and the other end of the main support frame auxiliary support rod connecting rod is connected with the lug I through the rotary shaft I; the upper end of the lug I is connected with a main sliding head; the main sliding head is connected to the main threaded rod through threads; the tail end of the main threaded rod is connected with a main threaded rod seal head.
An aircraft landing gear with a standby support system comprises a standby support frame upper connecting rod, a standby support frame elastic adjusting device and a standby support frame lower connecting rod; the upper end of the upper connecting rod of the standby support frame is connected with the left end of the lug III through a rotating shaft VI, the lower end of the upper connecting rod of the standby support frame is connected with the lower connecting rod of the standby support frame through an elastic adjusting device of the standby support frame, and one side of the upper connecting rod of the standby support frame is connected with the lug IV; the lower end of the lower connecting rod of the standby support frame is connected with a standby airplane wheel supporting device; the spare airplane wheel supporting device is connected with a spare supporting wheel through a supporting wheel shaft; the lower end of the auxiliary support rod connecting rod of the standby support frame is connected with a lug IV through a rotary shaft V, and the upper end of the auxiliary support rod connecting rod is connected with the machine body through a rotary shaft IV; the right end of the lug III is connected with a standby sliding head; the standby sliding head is connected to the standby threaded rod through threads; the tail end of the standby threaded rod is connected with a standby threaded rod seal head.
An aircraft landing gear with a standby supporting system is disclosed, wherein an elastic adjusting device of a main support frame comprises an upper mounting platform, a fastening bolt I, a clamping platform I, an upper sealing plate, a boss, an elastic buffering device I, a lower mounting platform, a main support movable connecting rod and a lower sealing plate; the upper end of the elastic buffer device I is connected with the upper mounting table through a boss, and the lower end of the elastic buffer device I is also connected with the lower mounting table through a boss; two ends of the main support movable connecting rod are connected with the clamping table I; the clamping table I is packaged in a cavity formed by an upper sealing plate, an upper mounting table, a lower sealing plate and a lower mounting table; the upper sealing plate and the lower sealing plate are respectively connected with the lower end of the upper mounting platform and the upper end of the lower mounting platform through fastening bolts I; the upper end of the upper mounting table is connected with an upper connecting rod of the main support frame; the lower end of the lower mounting platform is connected with a lower connecting rod of the main support frame; the elastic buffer devices I are respectively arranged at two sides of the main support movable connecting rod.
An aircraft landing gear with a standby support system is disclosed, wherein an elastic adjusting device of a standby support frame comprises an elastic adjusting device wall of the standby support frame, an elastic buffering device II, an elastic adjusting device sealing plate of the standby support frame, a clamping table II, a standby support movable connecting rod, a fastening bolt II and a clamping table III; the upper end of the standby support movable connecting rod is connected with a clamping table III, the middle part of the standby support movable connecting rod is connected with a clamping table II, and the lower end of the standby support movable connecting rod is connected with a standby support frame lower connecting rod; the clamping table III is connected with the wall of the elastic adjusting device of the standby support frame through an elastic buffer device II; the clamping table II is connected with a standby support movable connecting rod, two sides of the standby support movable connecting rod are respectively connected with an elastic buffer device II and a standby support frame lower connecting rod, and the other end of the elastic buffer device II is connected with the wall of an elastic adjusting device of the standby support frame; the clamping table II is packaged in the wall of the elastic adjusting device of the standby support frame through a sealing plate of the elastic adjusting device of the standby support frame through a fastening bolt II; the wall of the standby support frame elastic adjusting device is connected with a connecting rod on the standby support frame.
The landing gear with the standby support system has the beneficial effects that the main support frame, the main support wheels, the elastic buffer device, the standby support frame, the standby support wheels and other devices can realize the contraction and extension of the landing gear in the taking-off and landing processes of an airplane, and the standby support frame and the standby support wheels are started when the main support frame and the main support wheels break down, so that the standby device replaces the main device to play the role of the main device, thereby avoiding the airplane safety accident caused by the failure of the landing gear of the airplane to a great extent, having an important role in ensuring the landing safety of the airplane and having important influence on the production life of people.
Drawings
FIG. 1 is a schematic view of the main support frame and the spare support frame of the present invention when they fall down simultaneously;
FIG. 2 is a schematic view of the overall structure of the main support frame of the present invention;
FIG. 3 is a schematic view of the overall structure of the stand-by support of the present invention;
FIG. 4 is a schematic view of the overall structure of the main support frame of the present invention when it is dropped and the spare support frame is retracted;
FIG. 5 is a front view of the overall structure of the standby support frame of the present invention when it is lowered and the main support frame is retracted;
FIG. 6 is a bottom view of the overall structure of the standby support frame of the present invention when it is lowered and the main support frame is retracted;
FIG. 7 is a schematic view of the overall structure of the main support frame elasticity adjusting device of the present invention;
fig. 8 is a schematic view of the overall structure of the elastic adjustment device of the standby support frame according to the present invention.
In the figure, 1, a machine body, 2, a standby support frame, 3, a standby machine wheel support device, 4, a standby support wheel, 5, a main support wheel, 6, a main support wheel connecting rod, 7, a main support frame auxiliary support rod, 8, a main support frame, 9, a main threaded rod end socket, 10, a main sliding head, 11, threads, 12, a main threaded rod, 13, a lug I, 14, a rotating shaft I, 15, a main support frame auxiliary support rod connecting rod, 16, a rotating shaft II, 17, a main support frame lower connecting rod, 18, a main support frame elastic adjusting device, 19, a main support frame upper connecting rod, 20, a lug II, 21, a rotating shaft III, 22, a rotating shaft IV, 23, a standby support frame auxiliary support rod connecting rod, 24, a rotating shaft V, 25, a lug III, 26, a standby threaded rod, 27, a standby sliding head, 28, a standby threaded rod end socket, 29, a rotating shaft VI, 30, a standby support frame upper connecting rod, 31, a standby, 32. spare support frame lower connecting rod, 33, supporting wheel axle, 34, lug IV, 35, go up the mount table, 36, fastening bolt I, 37, ka tai I, 38, go up the shrouding, 39, boss, 40, elastic buffer device I, 41, lower mount table, 42, main tributary props movable connecting rod, 43, lower shrouding, 44, spare support frame elasticity adjusting device wall, 45, elastic buffer device II, 46, spare support frame elasticity adjusting device shrouding, 47, ka tai II, 48, spare support movable connecting rod, 49, fastening bolt II, 50, ka tai III.
Detailed Description
The invention is realized by the following technical scheme:
an aircraft landing gear with a standby supporting system comprises a fuselage 1, a standby supporting frame 2, a standby wheel supporting device 3, a standby supporting wheel 4, a main supporting wheel 5, a main supporting wheel connecting rod 6, a main supporting frame auxiliary supporting rod 7, a main supporting frame 8, a main threaded rod end socket 9, a main sliding head 10, threads 11, a main threaded rod 12, a lug I13, a rotary shaft I14, a main supporting frame auxiliary supporting rod connecting rod 15, a rotary shaft II 16, a main supporting frame lower connecting rod 17, a main supporting frame elastic adjusting device 18, a main supporting frame upper connecting rod 19, a lug II 20, a rotary shaft III 21, a rotary shaft IV 22, a standby supporting frame auxiliary supporting rod connecting rod 23, a rotary shaft V24, a lug III 25, a standby threaded rod 26, a standby sliding head 27, a standby threaded rod end socket 28, a rotary shaft VI 29, a standby supporting frame upper connecting rod 30, a standby supporting frame elastic adjusting device 31 and a standby supporting frame, the support wheel shaft 33, the lug IV 34, the upper mounting platform 35, the fastening bolt I36, the clamping platform I37, the upper sealing plate 38, the boss 39, the elastic buffer device I40, the lower mounting platform 41, the main support movable connecting rod 42, the lower sealing plate 43, the standby support elastic adjusting device wall 44, the elastic buffer device II 45, the standby support elastic adjusting device sealing plate 46, the clamping platform II 47, the standby support movable connecting rod 48, the fastening bolt II 49 and the clamping platform III 50.
The landing gear of the airplane with the standby support system, the upper end of a main support frame 8 is connected with a fuselage 1, the middle part of the main support frame is connected with the fuselage 1 through an auxiliary support rod 7 of the main support frame, and the lower end of the main support frame is connected with a main support wheel connecting rod 6; the two ends of the main supporting wheel connecting rod 6 are connected with the main supporting wheel 5; the machine body 1 is connected to reserve support frame 2 upper end, and the lower extreme passes through reserve wheel strutting arrangement 3 and connects reserve supporting wheel 4.
An aircraft landing gear with a spare support system, wherein a main support frame 8 comprises a main support frame lower connecting rod 17, a main support frame elasticity adjusting device 18 and a main support frame upper connecting rod 19; the upper end of the main support frame upper connecting rod 19 is connected with the machine body 1 through a rotating shaft III 21, the lower end of the main support frame upper connecting rod is connected with the main support frame lower connecting rod 17 through a main support frame elastic adjusting device 18, and one side of the main support frame upper connecting rod is connected with a lug II 20; the lower end of the main support frame lower connecting rod 17 is connected with the main supporting wheel connecting rod 6.
An aircraft landing gear with a standby support system is characterized in that a main support frame auxiliary support rod 7 comprises a lug I13, a rotary shaft I14, a main support frame auxiliary support rod connecting rod 15, a rotary shaft II 16 and a lug II 20; one end of the main support frame auxiliary support rod connecting rod 15 is connected with the lug II 20 through a rotating shaft II 16, and the other end of the main support frame auxiliary support rod connecting rod is connected with the lug I13 through a rotating shaft I14; the upper end of the lug I13 is connected with the main sliding head 10; the main sliding head 10 is connected to a main threaded rod 12 through a thread 11; the tail end of the main threaded rod 12 is connected with a main threaded rod seal head 9.
An aircraft landing gear with a standby support system, wherein a standby support frame 2 comprises a standby support frame upper connecting rod 30, a standby support frame elastic adjusting device 31 and a standby support frame lower connecting rod 32; the upper end of the spare support frame upper connecting rod 30 is connected with the left end of the lug III 25 through a rotating shaft VI 29, the lower end of the spare support frame upper connecting rod is connected with a spare support frame lower connecting rod 32 through a spare support frame elastic adjusting device 31, and one side of the spare support frame upper connecting rod is connected with the lug IV 34; the lower end of the lower connecting rod 32 of the standby support frame is connected with the standby airplane wheel supporting device 3; the spare wheel supporting device 3 is connected with a spare supporting wheel 4 through a supporting wheel shaft 33; the lower end of the auxiliary support rod connecting rod 23 of the standby support frame is connected with a lug IV 34 through a rotary shaft V24, and the upper end of the auxiliary support rod connecting rod is connected with the machine body 1 through a rotary shaft IV 22; the right end of the lug III 25 is connected with a spare sliding head 27; the spare sliding head 27 is connected to the spare threaded rod 26 through the thread 11; the tail end of the standby threaded rod 26 is connected with a standby threaded rod sealing head 28.
An aircraft landing gear with a standby supporting system is characterized in that an elastic adjusting device 18 of a main supporting frame comprises an upper mounting platform 35, a fastening bolt I36, a clamping platform I37, an upper sealing plate 38, a boss 39, an elastic buffering device I40, a lower mounting platform 41, a main supporting movable connecting rod 42 and a lower sealing plate 43; the upper end of the elastic buffer device I40 is connected with the upper mounting table 35 through a boss 39, and the lower end of the elastic buffer device I is also connected with the lower mounting table 41 through the boss 39; two ends of the main support movable connecting rod 42 are connected with the clamping table I37; the clamping table I37 is packaged in a cavity formed by an upper sealing plate 38, an upper mounting table 35, a lower sealing plate 43 and a lower mounting table 41; the upper sealing plate 38 and the lower sealing plate 43 are respectively connected with the lower end of the upper mounting platform 35 and the upper end of the lower mounting platform 41 through fastening bolts I36; the upper end of the upper mounting platform 35 is connected with an upper connecting rod 19 of the main support frame; the lower end of the lower mounting table 41 is connected with a lower connecting rod 17 of the main support frame; the elastic buffer devices I40 are respectively arranged at two sides of the main support movable connecting rod 42.
An aircraft landing gear with a standby support system is characterized in that an elastic adjusting device 31 of a standby support frame comprises a standby support frame elastic adjusting device wall 44, an elastic buffer device II 45, a standby support frame elastic adjusting device sealing plate 46, a clamping platform II 47, a standby support movable connecting rod 48, a fastening bolt II 49 and a clamping platform III 50; the upper end of the standby support movable connecting rod 48 is connected with a clamping table III 50, the middle part of the standby support movable connecting rod is connected with a clamping table II 47, and the lower end of the standby support movable connecting rod is connected with a standby support frame lower connecting rod 32; the clamping table III 50 is connected with the wall 44 of the elastic adjusting device of the standby support frame through an elastic buffer device II 45; the clamping table II 47 is connected with a standby support movable connecting rod 48, two sides of the standby support movable connecting rod 48 are respectively connected with an elastic buffer device II 45 and a standby support frame lower connecting rod 32, and the other end of the elastic buffer device II 45 is connected with a standby support frame elastic adjusting device wall 44; the clamping table II 47 is packaged in the wall 44 of the elastic adjusting device of the standby support frame through a fastening bolt II 49 by a sealing plate 46 of the elastic adjusting device of the standby support frame; the upper side of the wall 44 of the spare support frame elastic adjusting device is connected with the upper connecting rod 30 of the spare support frame.
The working principle is as follows: when the airplane is in a normal landing state, the landing gear is in a state shown in fig. 4, namely, a main support frame 8 drives a main support wheel 5 to be in an extending state through a main support wheel connecting rod 6, a standby support frame 2 drives a standby support wheel 4 to be in a contracting state through a standby airplane wheel supporting device 3, at the moment, a main sliding head 10 moves to one end close to a main threaded rod end socket 9 along a main threaded rod 12 through the rotation of the main threaded rod 12, the main sliding head 10 drives a lug II 20 connected to a main support frame upper connecting rod 19 through a lug I13, a rotary shaft I14, a main support frame auxiliary support rod connecting rod 15 and a rotary shaft II 16 to extend the main support frame 8; the standby sliding head 27 is positioned at one end close to the standby threaded rod seal head 28 under the rotation action of the standby threaded rod 26, and at the moment, the standby supporting wheel 4 is in a contraction state under the driving of the standby wheel supporting device 3, the lug III 25, the rotating shaft VI 29, the standby supporting frame upper connecting rod 30, the standby supporting frame elastic adjusting device 31 and the standby supporting frame lower connecting rod 32; when the airplane lands, the clamping platforms I37 at two ends of the main support movable connecting rod 42 can slide in the cavity formed by the upper mounting platform 35, the upper closing plate 38 and the lower mounting platform 41 and the lower closing plate 43, and the elastic buffer device I40 in the main support frame elastic adjusting device 18 is in an elastic compression state, so that the elastic buffer effect is achieved.
When the main landing gear of the airplane breaks down, the main supporting wheel 5 can not work normally, the standby supporting system can be started, the state at the moment is shown in fig. 5, the standby threaded rod 26 rotates rapidly, the standby sliding head 27 moves towards one end far away from the standby threaded rod seal head 28 rapidly along the standby threaded rod 26, the lug III 25 is driven to pull the standby supporting frame upper connecting rod 30 to move downwards through the rotating shaft VI 29, under the pulling of the standby supporting frame upper connecting rod 30, the standby supporting frame elastic adjusting device 31 and the standby supporting frame lower connecting rod 32 drive the standby supporting wheel 4 to fall through the standby airplane wheel supporting device 3, and finally the standby supporting frame auxiliary supporting rod 23 extends completely to complete the falling operation of the standby landing gear, when the airplane contacts the ground, the standby supporting movable connecting rod 48 with the clamping platform II 47 and the clamping platform III 50 can be under the elastic acting force of the elastic buffer device II 45, and the cavity formed by the standby supporting frame elastic adjusting device wall 44 and the standby And the inner slide is adopted, so that the buffer effect is realized.
It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.
Claims (1)
1. The utility model provides an aircraft undercarriage with reserve braced system, which comprises a fuselage, reserve support frame, reserve wheel strutting arrangement, reserve supporting wheel, main supporting wheel connecting rod, main support frame auxiliary stay pole, the main support frame, main threaded rod head, main slippery felloe, the screw thread, main threaded rod, spiral axis III, spiral axis IV, reserve support frame auxiliary stay pole connecting rod, spiral axis V, lug III, reserve threaded rod, reserve slippery felloe, reserve threaded rod head, spiral axis VI, the supporting wheel axle, lug IV, wherein: the main support frame comprises a main support frame lower connecting rod, a main support frame elastic adjusting device and a main support frame upper connecting rod; the auxiliary support rod of the main support frame comprises a lug I, a rotating shaft I, an auxiliary support rod connecting rod of the main support frame, a rotating shaft II and a lug II; the standby support frame comprises a standby support frame upper connecting rod, a standby support frame elastic adjusting device and a standby support frame lower connecting rod; the main support frame elastic adjusting device comprises an upper mounting platform, a fastening bolt I, a clamping platform I, an upper sealing plate, a boss, an elastic buffer device I, a lower mounting platform, a main support movable connecting rod and a lower sealing plate; the elastic adjusting device of the standby support frame comprises a wall of the elastic adjusting device of the standby support frame, an elastic buffer device II, a sealing plate of the elastic adjusting device of the standby support frame, a clamping table II, a standby support movable connecting rod, a fastening bolt II and a clamping table III; the upper end of the standby support movable connecting rod is connected with a clamping table III, the middle part of the standby support movable connecting rod is connected with a clamping table II, and the lower end of the standby support movable connecting rod is connected with a standby support frame lower connecting rod; the method is characterized in that: the upper end of the main support frame is connected with the machine body, the middle part of the main support frame is connected with the machine body through the auxiliary support rod of the main support frame, and the lower end of the main support frame is connected with the main support wheel connecting rod; both ends of the main supporting wheel connecting rod are connected with the main supporting wheel; the upper end of the standby support frame is connected with the machine body, and the lower end of the standby support frame is connected with the standby support wheel through the standby machine wheel support device; the upper end of the upper connecting rod of the main support frame is connected with the machine body through a rotating shaft III, the lower end of the upper connecting rod of the main support frame is connected with the lower connecting rod of the main support frame through an elastic adjusting device of the main support frame, and one side of the upper connecting rod of the main support frame is connected with a lug II; the lower end of the lower connecting rod of the main support frame is connected with a main supporting wheel connecting rod; one end of the main support frame auxiliary support rod connecting rod is connected with the lug II through the rotary shaft II, and the other end of the main support frame auxiliary support rod connecting rod is connected with the lug I through the rotary shaft I; the upper end of the lug I is connected with a main sliding head; the main sliding head is connected to the main threaded rod through threads; the tail end of the main threaded rod is connected with a main threaded rod seal head; the upper end of the upper connecting rod of the standby support frame is connected with the left end of the lug III through a rotating shaft VI, the lower end of the upper connecting rod of the standby support frame is connected with the lower connecting rod of the standby support frame through an elastic adjusting device of the standby support frame, and one side of the upper connecting rod of the standby support frame is connected with the lug IV; the lower end of the lower connecting rod of the standby support frame is connected with a standby airplane wheel supporting device; the spare airplane wheel supporting device is connected with a spare supporting wheel through a supporting wheel shaft; the lower end of the auxiliary support rod connecting rod of the standby support frame is connected with a lug IV through a rotary shaft V, and the upper end of the auxiliary support rod connecting rod is connected with the machine body through a rotary shaft IV; the right end of the lug III is connected with a standby sliding head; the standby sliding head is connected to the standby threaded rod through threads; the tail end of the standby threaded rod is connected with a standby threaded rod seal head; the upper end of the elastic buffer device I is connected with the upper mounting table through a boss, and the lower end of the elastic buffer device I is also connected with the lower mounting table through a boss; two ends of the main support movable connecting rod are connected with the clamping table I; the clamping table I is packaged in a cavity formed by an upper sealing plate, an upper mounting table, a lower sealing plate and a lower mounting table; the upper sealing plate and the lower sealing plate are respectively connected with the lower end of the upper mounting platform and the upper end of the lower mounting platform through fastening bolts I; the upper end of the upper mounting table is connected with an upper connecting rod of the main support frame; the lower end of the lower mounting platform is connected with a lower connecting rod of the main support frame; the elastic buffer devices I are respectively arranged at two sides of the main support movable connecting rod; the clamping table III is connected with the wall of the elastic adjusting device of the standby support frame through an elastic buffer device II; the clamping table II is connected with a standby support movable connecting rod, two sides of the standby support movable connecting rod are respectively connected with an elastic buffer device II and a standby support frame lower connecting rod, and the other end of the elastic buffer device II is connected with the wall of an elastic adjusting device of the standby support frame; the clamping table II is packaged in the wall of the elastic adjusting device of the standby support frame through a sealing plate of the elastic adjusting device of the standby support frame through a fastening bolt II; the upper side of the wall of the elastic adjusting device of the standby support frame is connected with an upper connecting rod of the standby support frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810963292.7A CN109050887B (en) | 2018-08-22 | 2018-08-22 | Aircraft undercarriage with reserve braced system |
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| CN201810963292.7A CN109050887B (en) | 2018-08-22 | 2018-08-22 | Aircraft undercarriage with reserve braced system |
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| CN109050887A CN109050887A (en) | 2018-12-21 |
| CN109050887B true CN109050887B (en) | 2020-04-03 |
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| CN110435609A (en) * | 2019-08-26 | 2019-11-12 | 艺威（天津）汽车科技有限公司 | A kind of novel four-wheel drive car |
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| CN108216587A (en) * | 2018-01-18 | 2018-06-29 | 晨龙飞机（荆门）有限公司 | A kind of undercarriage for being suitable for light-duty class aircraft and unmanned plane |
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| CN109050887A (en) | 2018-12-21 |
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Effective date of registration: 20210416 Address after: No.198, Jianghai West Road, Haian Town, Haian City, Nantong City, Jiangsu Province Patentee after: Hengcheng Aviation Technology (Nantong) Co.,Ltd. Address before: 448000 Jingmen province Hubei city Zhanghe District Aviation Industrial Park No. 1 love to fly Patentee before: ALOONG AIRCRAFT (JINGMEN) Co.,Ltd. |
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