CN207346079U - A kind of retractable landing gear - Google Patents
A kind of retractable landing gear Download PDFInfo
- Publication number
- CN207346079U CN207346079U CN201721273074.8U CN201721273074U CN207346079U CN 207346079 U CN207346079 U CN 207346079U CN 201721273074 U CN201721273074 U CN 201721273074U CN 207346079 U CN207346079 U CN 207346079U
- Authority
- CN
- China
- Prior art keywords
- contiguous block
- wheel
- damping
- main support
- undercarriage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of retractable landing gear, including wheel contiguous block and undercarriage main support, the top inner side of the wheel contiguous block is provided with wheel contiguous block groove, the wheel contiguous block groove is provided with the surface of wheel contiguous block is connected mounting hole, the side of the undercarriage main support, which is located above wheel contiguous block, is provided with folding shaft, what the top of the flexible shaft coupling was located at damping contiguous block is internally provided with bottom transverse slat, and the side of the flexible shaft coupling and telescopic shaft is provided with folding fixed frame；The damping spring set inside the damping contiguous block designed in the utility model can carry out damping work in aircraft landing, it is so that more steady during aircraft landing, take also more comfortable, the telescopic shaft designed in the utility model can be shunk while undercarriage recycles, shorten the length of undercarriage, save the space of place position so that space availability ratio is improved.
Description
Technical field
The utility model belongs to undercarriage technical field, and in particular to a kind of retractable landing gear.
Background technology
Undercarriage be aircraft lower part be used for take off landing or ground taxi when support aircraft and for ground moving annex
Device.Undercarriage is a kind of unique component for supporting whole airplane, therefore it is the inseparable scarce some of aircraft；Without it,
Aircraft just cannot be in ground moving.After taking off, undercarriage can be withdrawn depending on flying quality
Existing undercarriage still has some shortcomings when in use：
1. undercarriage when landing, bears larger jolt, it is necessary to effectively be subtracted to existing undercarriage when in use
Shake, damping effect carries out damping to existing undercarriage mainly by damper when in use, and other parts cannot carry out damping, effect
It is not reaching to optimal.
2. existing undercarriage when in use existing undercarriage take off withdraw place position in when, due to the length of undercarriage
Degree is partially long, and larger space is taken in terms of storage so that space availability ratio reduces.
3. the installation of existing undercarriage undercarriage when in use is relatively complicated, it is necessary to accurate installation, right up and down
Need the instrument of specialty that installation is fixed, it is necessary to spend more time and efforts when neat, it is more difficult.
Utility model content
The purpose of this utility model is to provide a kind of retractable landing gear, to solve proposed in the above background technology
Fall frame when landing, bear it is larger jolt, it is necessary to carry out effective damping, existing undercarriage damping effect master when in use
Damper is leaned on to carry out damping, other parts cannot carry out damping, and effect is not reaching to most preferably, and existing undercarriage is in receipts of taking off
When returning in place position, since the length of undercarriage is partially long, larger space is taken in terms of storage so that space availability ratio reduces
It is relatively complicated with the installation of undercarriage, it is necessary to accurate installation, need the instrument of specialty that peace is fixed in consistency from top to bottom
Dress, it is necessary to spend more time and efforts, it is more difficult the problem of.
To achieve the above object, the utility model provides following technical solution：A kind of retractable landing gear, including wheel connect
Block and undercarriage main support are connect, the top inner side of the wheel contiguous block is provided with wheel contiguous block groove, the wheel connection
Block groove is provided with the surface of wheel contiguous block and is connected mounting hole, and the side of the undercarriage main support is located at wheel contiguous block
Top be provided with folding shaft, the end set of the folding shaft has lower lock spring, and the side of the undercarriage main support is located at
It is provided with the upper pressurized strut of receipts above the side of folding shaft, it is convex that the bottom of the undercarriage main support is provided with undercarriage main support
Groove, the undercarriage main support are installed on the top of wheel contiguous block, and the bottom of the wheel contiguous block is provided with damping connection
Block, the damping contiguous block are internally provided with top transverse slat, and the bottom of the top transverse slat is provided with damping spring, described to subtract
The bottom of shake contiguous block is provided with flexible shaft coupling, and the top of the flexible shaft coupling is located at being internally provided with for damping contiguous block
Bottom transverse slat, the bottom of the flexible shaft coupling are provided with telescopic shaft, and the bottom of the telescopic shaft is provided with wheel, described flexible
The side of shaft coupling and telescopic shaft is provided with folding fixed frame.
Preferably, the undercarriage main support tongue and wheel contiguous block top that the undercarriage main support bottom end surface is set
The wheel contiguous block groove that inner side is set passes through card slot card and connection.
Preferably, the damping spring is provided with three, and three damping springs are equidistant is installed on damping contiguous block
Inside.
Preferably, the flexible shaft coupling circle of position column construction.
Preferably, the undercarriage main support tongue is fixed with wheel contiguous block groove by being connected mounting hole.
Compared with prior art, the beneficial effects of the utility model are：
(1) damping spring set inside the damping contiguous block designed in the utility model can be carried out in aircraft landing
Damping works, so that it is more steady during aircraft landing, take also more comfortable.
(2) telescopic shaft designed in the utility model can be shunk while undercarriage recycles, and be effectively shortened
The length of undercarriage, saves the space of place position so that space availability ratio is improved.
(3) the undercarriage main support groove and wheel contiguous block groove designed in the utility model can cause when mounted
The installation tool professional without other is operated, and is installed also more easy and efficient.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model undercarriage；
Fig. 2 is the internal structure schematic diagram of the utility model damping contiguous block；
Fig. 3 is the connection diagram of the utility model undercarriage main support；
In figure：1- folding shafts, 2- stretch shaft coupling, 3- telescopic shafts, 4- wheels, 5- fold fixed frame, 6- dampings contiguous block,
7- wheels contiguous block, 8- undercarriages main support, locked under pressurized strut, 10- in 9- receipts spring, 11- damping springs, 12- tops transverse slat,
13- bottoms transverse slat, 14- undercarriage main supports tongue, 15- wheel contiguous blocks groove, 16- connection mounting holes.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1, Fig. 2 and Fig. 3, the utility model provide a kind of technical solution：A kind of retractable landing gear, including machine
Contiguous block 7 and undercarriage main support 8 are taken turns, the top inner side of wheel contiguous block 7 is provided with wheel contiguous block groove 15, wheel connection
Block groove 15 is provided with the surface of wheel contiguous block 7 is connected mounting hole 16, and the side of undercarriage main support 8 is located at wheel connection
The top of block 7 is provided with folding shaft 1, and the end set of folding shaft 1 has lower lock spring 10, and the side of undercarriage main support 8 is located at
The upper pressurized strut 9 of receipts is provided with above the side of folding shaft 1, the bottom of undercarriage main support 8 is provided with undercarriage main support tongue
14, undercarriage main support 8 is installed on the top of wheel contiguous block 7, and the bottom of wheel contiguous block 7 is provided with damping contiguous block 6, subtracts
Shake contiguous block 6 is internally provided with top transverse slat 12, and the bottom of top transverse slat 12 is provided with damping spring 11, damping contiguous block 6
Bottom be provided with flexible shaft coupling 2, what the top of flexible shaft coupling 2 was located at damping contiguous block 6 is internally provided with bottom transverse slat
13, the bottom of flexible shaft coupling 2 is provided with telescopic shaft 3, and the bottom of telescopic shaft 3 is provided with wheel 4, and the shaft coupling 2 that stretches is with stretching
The side of axis 3, which is provided with, folds fixed frame 5.
In order to which undercarriage main support 8 is connected with wheel contiguous block 7, in the present embodiment, it is preferred that 8 bottom of undercarriage main support
The wheel contiguous block groove 15 that the undercarriage main support tongue 14 that end surfaces are set is set with 7 top inner side of wheel contiguous block passes through
Card slot card and connection.
For undercarriage effective damping when declining, in the present embodiment, it is preferred that damping spring 11 is provided with three,
And three damping springs 11 are equidistant installed in the inside of damping contiguous block 6.
In order to preferably fix telescopic rod 3, in the present embodiment, it is preferred that 2 circle of position column construction of flexible shaft coupling.
For fixed landing gear main support tongue 14 and wheel contiguous block groove 15, in the present embodiment, it is preferred that undercarriage
Main support tongue 14 is fixed with wheel contiguous block groove 15 by being connected mounting hole 16.
The operation principle and process for using of the utility model：When the utility model is used, when aircraft will land, rise
Fall frame opening, folding shaft 1 carries out folding opening at this time, and when opening to a certain extent, lower lock spring 10 is locked, telescopic shaft 3
Start to be retractable to the length of needs, when wheel 4 touches ground, the vibrations uploaded from wheel 4 are transferred in damping contiguous block 6
Portion, at this time the damping spring 11 inside damping contiguous block 6 depressurized, vibrations are reduced, point are subtracted again on being transferred to
Pressure, when taking off, in receipts pressurized strut 9 be pulled up, folding shaft 1 starts folding undercarriage is contracted to place position at this time, at the same time
Telescopic shaft 3 stretches, and when being removed and installed, undercarriage main support tongue 14 is inserted into wheel contiguous block groove 15,
Screw fixation is being inserted into by connecting mounting hole 16.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of retractable landing gear, including wheel contiguous block (7) and undercarriage main support (8), it is characterised in that：The wheel
The top inner side of contiguous block (7) is provided with wheel contiguous block groove (15), and the wheel contiguous block groove (15) is connected with wheel
The surface of block (7) is provided with connection mounting hole (16), and the side of the undercarriage main support (8) is located at wheel contiguous block (7)
Top is provided with folding shaft (1), and the end set of the folding shaft (1) has lower lock spring (10), the undercarriage main support (8)
Side be located above the side of folding shaft (1) and be provided with the upper pressurized strut (9) of receipts, the bottom of the undercarriage main support (8) is set
Undercarriage main support tongue (14) is equipped with, the undercarriage main support (8) is installed on the top of wheel contiguous block (7), the machine
The bottom of wheel contiguous block (7) is provided with damping contiguous block (6), and the damping contiguous block (6) is internally provided with top transverse slat
(12), the bottom of the top transverse slat (12) is provided with damping spring (11), and the bottom of the damping contiguous block (6), which is provided with, stretches
Contracting shaft coupling (2), what the top of the flexible shaft coupling (2) was located at damping contiguous block (6) is internally provided with bottom transverse slat (13),
The bottom of the flexible shaft coupling (2) is provided with telescopic shaft (3), and the bottom of the telescopic shaft (3) is provided with wheel (4), described
The side of flexible shaft coupling (2) and telescopic shaft (3), which is provided with, folds fixed frame (5).
A kind of 2. retractable landing gear according to claim 1, it is characterised in that：Undercarriage main support (8) bottom
The wheel contiguous block groove (15) that the undercarriage main support tongue (14) that surface is set is set with wheel contiguous block (7) top inner side
Pass through card slot card and connection.
A kind of 3. retractable landing gear according to claim 1, it is characterised in that：The damping spring (11) is provided with three
It is a, and three damping springs (11) are equidistant installed in the inside of damping contiguous block (6).
A kind of 4. retractable landing gear according to claim 1, it is characterised in that：Flexible shaft coupling (2) the circle of position column
Shape structure.
A kind of 5. retractable landing gear according to claim 1, it is characterised in that：The undercarriage main support tongue (14)
It is fixed with wheel contiguous block groove (15) by being connected mounting hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721273074.8U CN207346079U (en) | 2017-09-30 | 2017-09-30 | A kind of retractable landing gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721273074.8U CN207346079U (en) | 2017-09-30 | 2017-09-30 | A kind of retractable landing gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207346079U true CN207346079U (en) | 2018-05-11 |
Family
ID=62358063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721273074.8U Expired - Fee Related CN207346079U (en) | 2017-09-30 | 2017-09-30 | A kind of retractable landing gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207346079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401335A (en) * | 2021-06-28 | 2021-09-17 | 深圳悟空飞行器有限公司 | Wing type undercarriage |
-
2017
- 2017-09-30 CN CN201721273074.8U patent/CN207346079U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401335A (en) * | 2021-06-28 | 2021-09-17 | 深圳悟空飞行器有限公司 | Wing type undercarriage |
| CN113401335B (en) * | 2021-06-28 | 2023-09-19 | 深圳悟空飞行器有限公司 | Wing landing gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20200930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |