CN108528680A - A kind of undercarriage using clamp button of the spring - Google Patents
A kind of undercarriage using clamp button of the spring Download PDFInfo
- Publication number
- CN108528680A CN108528680A CN201810572467.1A CN201810572467A CN108528680A CN 108528680 A CN108528680 A CN 108528680A CN 201810572467 A CN201810572467 A CN 201810572467A CN 108528680 A CN108528680 A CN 108528680A
- Authority
- CN
- China
- Prior art keywords
- undercarriage
- rotation axis
- hydraulic stem
- fixed
- spring
- 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.)
- Granted
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Classifications
-
- 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
- B64C25/34—Alighting gear characterised by elements which contact the ground or similar surface wheeled type, e.g. multi-wheeled bogies
-
- 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
-
- 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
-
- 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
- B64C25/34—Alighting gear characterised by elements which contact the ground or similar surface wheeled type, e.g. multi-wheeled bogies
- B64C2025/345—Multi-wheel bogies having one or more steering axes
Abstract
A kind of undercarriage using clamp button of the spring belongs to air equipment field.It is by undercarriage fixing device, spring supporting bar I, gear support bar, hydraulic stem I, undercarriage telecontrol equipment, hydraulic stem II and with rotation axis connecting rod composition, spring supporting bar I is mounted in undercarriage fixing device, gear support bar one end is fixed on the front end of hydraulic stem III, the other end of gear support bar is fixed in the rotation axis with rotation axis connecting rod, rotation axis with rotation axis connecting rod is fixed in undercarriage fixing device, II one end of rotation axis is fixed in the rotation axis with rotation axis connecting rod, II other end of rotation axis is fixed on the spring supporting bar II on undercarriage telecontrol equipment, II one end of hydraulic stem is connect with rotation axis connecting rod, the other end is fixed on gear support bar, usefulness is：The stretching speed that hydraulic stem is controlled using clamp button of the spring enhances its stability.
Description
Technical field
The present invention relates to a kind of undercarriages using clamp button of the spring, and the aircraft of clamp button of the spring is specifically utilized
Undercarriage belongs to air equipment field.
Background technology
Undercarriage is aircraft lower part for taking off landing or support aircraft and being used for ground (water when ground (water surface) slides
Face) mobile accessories apparatus.Undercarriage is a kind of component of unique support whole airplane, therefore it is aircraft inseparable scarce one
Partly；Without it, aircraft just cannot be in ground moving.After taking off, undercarriage can be withdrawn depending on flying quality.It rises and falls
Rack device is the important component with load and maneuverability of aircraft, is responsible for during aircraft security landing extremely heavy
The mission wanted.Undercarriage is to take off, land, sliding race, ground moving and park necessary support system, is the master of aircraft
Want one of component, what the quality of performance was directly related to aircraft is used in safety.Lever or trailing arm type undercarriage have
It is connected to the main accessory and a trailing arm for being pivotally attached to main accessory of the fuselage of aircraft.Undercarriage extension and retraction system is general
Using hydraulic pressure as normal folding and unfolding power source, using cold air, electric power as back-up power source.Machine before general nose-gear is taken in forward
Body, and the nose-gear of certain heavy transports is laterally packed up.Main landing gear folding and unfolding form is broadly divided into along span side
To two kinds of folding and unfolding and chordwise folding and unfolding.Stored position lock, which is used for undercarriage to be locked in, receives upper and extended position, to have prevented
It falls when frame awing puts down and hit automatically and packs up automatically.For extension and retraction system, generally there are position instruction and warning
System.When aircraft landing, generally can there are one oleo-pneumatic shock absorbers to provide effective damping, but they generally by oil or
The influence of gas needs regularly to safeguard, it would therefore be desirable to a kind of equipment that can substitute oleo-pneumatic shock absorber.
Invention content
In view of the above-mentioned deficiencies, the present invention provides a kind of undercarriages using clamp button of the spring.
The present invention is achieved by the following technical solutions：A kind of undercarriage using clamp button of the spring is by rising and falling
Frame fixing device, spring supporting bar I, gear support bar, hydraulic stem I, undercarriage telecontrol equipment, hydraulic stem II and with rotation
Axis connection bar composition, it is made of undercarriage fixed plate, hydraulic stem III and rotation axis I in the undercarriage fixing device
, the undercarriage telecontrol equipment is made of chassis, lifting/lowering support wheel, rotation axis II, spring supporting bar II and connecting shaft,
It is characterized in that：Spring supporting bar I is mounted in undercarriage fixing device, and hydraulic stem III is mounted in undercarriage fixing device, is risen
The front end that frame supporting rod one end is fixed on hydraulic stem III is fallen, gear support bar midpoint is fixed on the upper end of spring supporting bar I, rises
The other end for falling frame supporting rod is fixed in the rotation axis with rotation axis connecting rod, and the rotation axis with rotation axis connecting rod is solid
It is scheduled in undercarriage fixing device, II one end of rotation axis on undercarriage telecontrol equipment is fixed on to be turned with rotation axis connecting rod
On moving axis, II other end of rotation axis on undercarriage telecontrol equipment is fixed on the spring supporting bar II on undercarriage telecontrol equipment
On, II one end of hydraulic stem is connect with rotation axis connecting rod, and the other end is fixed on gear support bar, I one end of hydraulic stem
It is fixed on undercarriage telecontrol equipment, the other end is fixed on gear support bar, and one end of connecting shaft is fixed on to be connected with rotation axis
In the rotation axis of extension bar, the other end of connecting shaft is fixed on the spring supporting bar II on undercarriage telecontrol equipment, and lifting/lowering support wheel is solid
It is scheduled on domain.
When the hydraulic stem I is retracted to most quarter butt, hydraulic stem II also will shrink to most quarter butt.
When the rotation axis I is that the hydraulic stem III is shunk, spring supporting bar I is shunk, when hydraulic stem III extends, bullet
Spring supporting rod extends.
The spring supporting bar I can stretch, and shortest length is shorter than the length of hydraulic stem III.
The rotation axis with rotation axis connecting rod is rotated with the contraction and elongation of hydraulic stem I and hydraulic stem II
, when hydraulic stem I and the contraction of hydraulic stem II, rotation axis I rotates clockwise, when hydraulic stem I and the elongation of hydraulic stem II, rotation
Axis I rotates counterclockwise.
The usefulness of the invention is：Undercarriage can be with mechanical spring to replace oleo-pneumatic shock absorber equipment, subtract
The influence of few oil gas, increases its stability；The stretching speed that hydraulic stem is controlled using clamp button of the spring makes its contraction speed
Slowly, elongation speed is fast；Aircraft utilizes spring supporting bar, it is possible to reduce the resistance of undercarriage extension and retraction system makes in landing
Rate when must extend is fast, and stretching, extension is fast；Aircraft can reduce undercarriage extension and retraction system when rising using spring supporting bar
Resistance so that rate when contraction is slow, and stability is high；It can make undercarriage using the undercarriage of clamp button of the spring
The pressure that can bear bigger increases its stability；Undercarriage, as power source, increases aircraft takeoffs and landings using three hydraulic stems
The stability of the extension and retraction system of frame；During movement, spring bracing is travelled on the road to jolt and pressure is continuous
During variation, has the effect of damping, stablize during traveling.
Description of the drawings
Accompanying drawing 1 is the structural representation of the present invention；
Attached drawing 2 is the structural schematic diagram of undercarriage fixing device；
Attached drawing 3 is the structural schematic diagram of undercarriage telecontrol equipment；
Attached drawing 4 is the left view of the present invention；
Attached drawing 5 is the vertical view of the present invention.
In figure, 1, undercarriage fixing device, 101, undercarriage fixed plate, 102, hydraulic stem III, 103, rotation axis I, 2, bullet
Spring supporting rod I, 3, gear support bar, 4, hydraulic stem I, 5, undercarriage telecontrol equipment, 501, chassis, 502, lifting/lowering support wheel, 503,
Rotation axis II, 504, spring supporting bar II, 505, connecting shaft, 6, hydraulic stem II, 7, carry rotation axis connecting rod.
Specific implementation mode
A kind of undercarriage using clamp button of the spring is by undercarriage fixing device 1, spring supporting bar I 2, undercarriage
It supporting rod 3, hydraulic stem I 4, undercarriage telecontrol equipment 5, hydraulic stem II 6 and is formed with rotation axis connecting rod 7, it is described rise
It falls in frame fixing device 1 and is made of undercarriage fixed plate 101, hydraulic stem III 102 and rotation axis I 103, the undercarriage
Telecontrol equipment 5 is made of chassis 501, lifting/lowering support wheel 502, rotation axis II 503, spring supporting bar II 504 and connecting shaft 505,
It is characterized in that：Spring supporting bar I 2 is mounted in undercarriage fixing device 1, and hydraulic stem III 102 is mounted on undercarriage and fixes dress
It sets on 1,3 one end of gear support bar is fixed on the front end of hydraulic stem III 102, and 3 midpoint of gear support bar is fixed on spring branch
The other end of the upper end of strut I 2, gear support bar 3 is fixed in the rotation axis with rotation axis connecting rod 7, with rotation
The rotation axis of axis connection bar 7 is fixed in undercarriage fixing device 1, and 5 II one end of rotation axis is fixed on undercarriage telecontrol equipment
5 II 503 other end of rotation axis, which is fixed on, in the rotation axis with rotation axis connecting rod 7, on undercarriage telecontrol equipment rises and falls
On spring supporting bar II 504 on frame telecontrol equipment 5, II 6 one end of hydraulic stem is connect with rotation axis connecting rod 7, the other end
It is fixed on gear support bar 3, I 4 one end of hydraulic stem is fixed on undercarriage telecontrol equipment 5, and the other end is fixed on undercarriage branch
One end of strut 3, connecting shaft 505 is fixed in the rotation axis 7 with rotation axis connecting rod, and the other end of connecting shaft 505 is fixed
On spring supporting bar II 504 on undercarriage telecontrol equipment 5, lifting/lowering support wheel 502 is fixed on 501 on domain.
When the hydraulic stem I 4 is retracted to most quarter butt, hydraulic stem II 6 also will shrink to most quarter butt.
When the rotation axis I 103 is that the hydraulic stem III 102 is shunk, spring supporting bar I 2 is shunk, hydraulic stem III
When 102 elongation, spring supporting bar I 2 extends.
The spring supporting bar I 2 can stretch, and shortest length is shorter than the length of hydraulic stem III 102.
The rotation axis with rotation axis connecting rod 7 with the contraction and elongation of hydraulic stem I 4 and hydraulic stem II 6 and
Rotation, when hydraulic stem I 4 and the contraction of hydraulic stem II 6, rotation axis I 103 rotates clockwise, when hydraulic stem I 4 and hydraulic stem II 6
When elongation, rotation axis I rotates counterclockwise.
When not working, the hydraulic stem III 102 in undercarriage fixing device 1 is shunk the device, drives splinter bar I 2
It shrinks, hydraulic stem I 4 and hydraulic stem II 6 are shunk, and so that undercarriage is retracted in cabin, spring supporting bar I 2 is compacted at this time
It with elastic potential energy, the more can shrink the more slow during contraction so that extension and retraction system tends towards stability；The device at work,
Hydraulic stem III 102 in undercarriage fixing device 1 extends, and drives splinter bar I 2 to extend, hydraulic stem I 4 and hydraulic stem II 6 are stretched
Long, the elastic potential energy of spring supporting bar I 2 is released, and hydraulic stem III 102 is made rate stabilization and aircraft to be made to rise during elongation
Frame is fallen to stretch out out of cabin during movement, since spring bracing II 504 is on undercarriage telecontrol equipment 5,
So during movement, spring bracing II 504 during traveling and pressure are continually changing on the road to jolt,
Have the effect of damping, stablizes during traveling.
For the ordinary skill in the art, introduction according to the present invention, do not depart from the principle of the present invention with
In the case of spirit, changes, modifications, replacement and modification that embodiment is carried out still fall within protection scope of the present invention it
It is interior.
Claims (5)
1. a kind of undercarriage using clamp button of the spring is by undercarriage fixing device, spring supporting bar I, gear support
Bar, hydraulic stem I, undercarriage telecontrol equipment, hydraulic stem II and with rotation axis connecting rod composition, the undercarriage fixes dress
Set and be made of undercarriage fixed plate, hydraulic stem III and rotation axis I, the undercarriage telecontrol equipment be by chassis,
Fall wheel, rotation axis II, spring supporting bar II and connecting shaft composition, it is characterised in that：Spring supporting bar I is solid mounted on undercarriage
To determine on device, hydraulic stem III is mounted in undercarriage fixing device, and gear support bar one end is fixed on the front end of hydraulic stem III,
Gear support bar midpoint is fixed on the upper end of spring supporting bar I, and the other end of gear support bar is fixed on rotation axis
In the rotation axis of connecting rod, the rotation axis with rotation axis connecting rod is fixed in undercarriage fixing device, undercarriage sportswear
II one end of rotation axis set is fixed in the rotation axis with rotation axis connecting rod, the rotation axis II on undercarriage telecontrol equipment
The other end is fixed on the spring supporting bar II on undercarriage telecontrol equipment, and II one end of hydraulic stem connects with rotation axis connecting rod
It connects, the other end is fixed on gear support bar, and I one end of hydraulic stem is fixed on undercarriage telecontrol equipment, and the other end has been fixed on
Frame supporting rod is fallen, one end of connecting shaft is fixed in the rotation axis with rotation axis connecting rod, and the other end of connecting shaft is fixed on
On spring supporting bar II on undercarriage telecontrol equipment, lifting/lowering support wheel is fixed on domain.
2. a kind of undercarriage using clamp button of the spring as described in claim 1, it is characterised in that：The hydraulic stem I
When being retracted to most quarter butt, hydraulic stem II also will shrink to most quarter butt.
3. a kind of undercarriage using clamp button of the spring as described in claim 1, it is characterised in that：The rotation axis I
When being that the hydraulic stem III is shunk, spring supporting bar I is shunk, when hydraulic stem III extends, spring supporting bar elongation.
4. a kind of undercarriage using clamp button of the spring as described in claim 1, it is characterised in that：Described carries rotation
The rotation axis of axis connection bar is rotated with the contraction and elongation of hydraulic stem I and hydraulic stem II, when hydraulic stem I and hydraulic stem II
When contraction, rotation axis I rotates clockwise, and when hydraulic stem I and the elongation of hydraulic stem II, rotation axis I rotates counterclockwise.
5. a kind of undercarriage using clamp button of the spring as described in claim 1, it is characterised in that：The spring supporting
Bar I can stretch, and shortest length is shorter than the length of hydraulic stem III.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810572467.1A CN108528680B (en) | 2018-06-06 | 2018-06-06 | A kind of undercarriage using clamp button of the spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810572467.1A CN108528680B (en) | 2018-06-06 | 2018-06-06 | A kind of undercarriage using clamp button of the spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108528680A true CN108528680A (en) | 2018-09-14 |
| CN108528680B CN108528680B (en) | 2019-05-21 |
Family
ID=63470390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810572467.1A Active CN108528680B (en) | 2018-06-06 | 2018-06-06 | A kind of undercarriage using clamp button of the spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108528680B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2811326A (en) * | 1954-02-05 | 1957-10-29 | Fairchild Engine & Airplane | Retractable aircraft landing gear |
| US2930552A (en) * | 1955-12-27 | 1960-03-29 | Cleveland Pneumatic Ind Inc | Tandem landing gear |
| US4402477A (en) * | 1981-04-08 | 1983-09-06 | Messier-Hispano-Bugatti (Sa) | Tandem type landing gear |
| CN102202968A (en) * | 2008-06-30 | 2011-09-28 | 埃姆普里萨有限公司 | Landing gear mechanism for aircraft |
| CN206374971U (en) * | 2017-01-09 | 2017-08-04 | 宿迁市飞鹰模具开发科技有限公司 | A kind of fixed-wing unmanned plane rear leg retracting device |
-
2018
- 2018-06-06 CN CN201810572467.1A patent/CN108528680B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2811326A (en) * | 1954-02-05 | 1957-10-29 | Fairchild Engine & Airplane | Retractable aircraft landing gear |
| US2930552A (en) * | 1955-12-27 | 1960-03-29 | Cleveland Pneumatic Ind Inc | Tandem landing gear |
| US4402477A (en) * | 1981-04-08 | 1983-09-06 | Messier-Hispano-Bugatti (Sa) | Tandem type landing gear |
| CN102202968A (en) * | 2008-06-30 | 2011-09-28 | 埃姆普里萨有限公司 | Landing gear mechanism for aircraft |
| CN206374971U (en) * | 2017-01-09 | 2017-08-04 | 宿迁市飞鹰模具开发科技有限公司 | A kind of fixed-wing unmanned plane rear leg retracting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108528680B (en) | 2019-05-21 |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20211108 Address after: 314500 -15, 678, Xinmin Road, Wutong street, Tongxiang, Jiaxing, Zhejiang Patentee after: Tongxiang Levi new materials Co.,Ltd. Address before: No. 101 and 102, 1st floor, unit 4, building 10, Mingquan community, Mingquan Road, duodaoshi street, Duodao District, Jingmen City, Hubei Province 448100 Patentee before: JINGMEN CHANGXIANG GUANGNIAN ELECTROMECHANICAL TECHNOLOGY SERVICE Co.,Ltd. |
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| TR01 | Transfer of patent right |