CN205801502U - A kind of main airplane wheel - Google Patents
A kind of main airplane wheel Download PDFInfo
- Publication number
- CN205801502U CN205801502U CN201620680149.3U CN201620680149U CN205801502U CN 205801502 U CN205801502 U CN 205801502U CN 201620680149 U CN201620680149 U CN 201620680149U CN 205801502 U CN205801502 U CN 205801502U
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- wheel
- brake
- moving plate
- wheel hub
- quiet dish
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Abstract
This utility model belongs to takes off landing system, particularly relates to a kind of main airplane wheel.Described main airplane wheel includes that wheel assemblies and brake gear, described wheel assemblies include wheel hub, wheel rim, half snap ring, guide rail, taper roll bearing, regulation lining, oil scraper ring, heat screen, valve assembly and Hot melt plug；Described brake gear includes cylinder seat assembly, piston component, brake shell, brake disc and thermal insulation board.Described wheel hub is meridosternous structure, it is simple to tire dismantling, and provides a cavity volume filling described brake gear the biggest；Described wheel hub uses aluminium alloy to have the advantages such as big, the length in service life of bearing capacity；Described brake shell has the advantages such as lightweight, intensity is high, high temperature resistant, simple in construction, working service are convenient；Described brake gear uses water brake and pneumatic brake two to overlap the piston of independent role, makes, in the case of any element lost efficacy or lost arbitrary brake energy, to remain to grounding machine of stopping.
Description
Technical field
This utility model belongs to takes off landing system, particularly relates to a kind of main airplane wheel.
Background technology
Main airplane wheel, is loaded on aircraft main landing gear, parks for aircraft floor, slides, lands and absorb energy.
Main airplane wheel includes that wheel assemblies and brake gear, tire supporting with it are used in conjunction with, for taking off,
Land, slide, brake and ground is parked.
Wheel assemblies is made up of wheel hub, wheel rim, guide rail, bearing etc.；Brake gear by cylinder seat assembly, piston component, stop
Car housing, brake disc etc. form.
Utility model Authorization Notice No. provides a kind of front airplane wheel of airplane for CN 201971153 U, before the near front wheel and the right side
Wheel, put opposite opened structure in being, all include interior half wheel hub, outer half wheel hub, to connecting bolt, dividing bush assembly, taper roller
Bearing, retainer, sealing ring, oil scraper ring, sealing cup, self-locking nut, valve assembly, wherein off-front wheel also includes support group
Part, travelling gear；The riveting of outer face, outer half wheel hub hub portion has direction board, warning sign and label.Wheel before described in this utility model
For taking off, land, draw, sliding, ground roll-out, turning and ground shut down, described in this utility model before wheel shortcoming
It is to lack brake gear.
Utility model content
This utility model provides a kind of main airplane wheel, is made up of wheel assemblies and brake gear.
Described wheel assemblies include wheel hub, wheel rim, half snap ring, guide rail, taper roll bearing, regulation lining, oil scraper ring, every
Heat shielding, valve assembly and Hot melt plug.
Described brake gear includes cylinder seat assembly, piston component, brake shell, brake disc, thermal insulation board and locating snap ring.
Described brake disc includes bearing disc, Moving plate, quiet dish, compression plate.
Described wheel hub is meridosternous structure, described hub inner lumen circumferential surface several guide rails of uniform installation, described wheel rim
Being fixed with wheel hub by half snap ring, equipped with sealing ring in the seal groove of wheel hub, wheel hub and wheel rim seal by sealing ring.
Two taper roll bearings are installed at the center of described wheel hub, and regulation lining is installed between described taper roll bearing,
For regulating the axial gap between bearing.
Described oil scraper ring is separately mounted to, outside two described taper roll bearings, prevent bearing grease from overflowing, and prevent
Only foreign material enter inner chamber and the taper roll bearing that weares and teares.
Several Hot melt plug of uniform installation on wheel hub hub flange wall, are used for preventing that wheel is overheated causes tyre explosion, make to fly
The safe land of machine；Valve assembly is arranged on wheel hub, for the inflation/deflation of tire；Heat screen be installed on wheel hub and brake disc it
Between；End-cap assembly is installed at the bearing of described wheel hub outer face, and on it, trundle coordinates with aircraft wheel speed sensors.
Described cylinder seat assembly is that air-liquid presses channel structure, equipped with by hydraulic pressure, the separately-driven piston component of air pressure,
Piston component uses automatic gap adjusting to return power structure, and described brake shell uses shade structure, described brake shell and cylinder seat group
Part is connected by locating snap ring, and thermal insulation board is placed between brake disc and piston component.
The non-frictional surface of described bearing disc and compression plate scribbles inoxidzable coating.
Having outside keyway, outside keyway to coordinate with the guide rail on wheel hub on described Moving plate, outside keyway is equipped with rustless steel steel clamp, externally
Keyway shields.
Internal keyway, internal keyway is all had to coordinate with the convex key of brake shell on described quiet dish, compression plate and bearing disc, internal keyway
Equipped with rustless steel steel clamp, internal keyway is shielded.
Described Moving plate includes that the first Moving plate, the second Moving plate, the 3rd Moving plate and the 4th Moving plate, described quiet dish include that first is quiet
Dish, the second quiet dish and the 3rd quiet dish, described bearing disc, the first Moving plate, the first quiet dish, the second Moving plate, the second quiet dish, the 3rd move
Dish, the 3rd quiet dish, the 4th Moving plate and compression plate laminate successively.
Described brake shell includes that pressure-bearing cup, described pressure-bearing cup are distributed in described brake shell edge.
Described brake shell uses titanium alloy die forging part processing and manufacturing.
Further, described tread ring diameter is φ 483mm, and tread ring width is 240mm.
Further, described cylinder seat assembly installs 7 hydraulic piston assemblies and 7 pneumaticpiston assemblies.
Compared with the prior art, the beneficial effects of the utility model are:
1, described wheel hub is meridosternous structure, is not only convenient for tire dismantling, and provide one the biggest fill described in stop
The cavity volume of car device.
2, described wheel hub uses aluminium alloy to have the advantages such as big, the length in service life of bearing capacity.
3, described brake shell has the advantages such as lightweight, intensity is high, high temperature resistant, simple in construction, working service are convenient.
4, described brake gear uses water brake and pneumatic brake two to overlap the piston of independent role, loses efficacy at any element
Or in the case of losing arbitrary brake energy, remain to grounding machine of stopping.
5, described thermal insulation board prevents high temperature from making the hydraulic oil oxidation deterioration in cylinder seat assembly.
Accompanying drawing explanation
Fig. 1 is wheel assemblies sectional view described in the utility model；
Fig. 2 is wheel assemblies left view described in the utility model；
Fig. 3 is brake gear sectional view described in the utility model；
Fig. 4 is brake gear left view described in the utility model.
Shown in figure: 1-wheel hub, 101-the first cavity volume, 2-wheel rim, 3-half snap ring, 4-sealing ring, 5-end-cap assembly, 501-
Trundle, 6-oil scraper ring, 7-taper roll bearing, 8-regulates lining, 9-valve assembly, 10-Hot melt plug, 11-guide rail, 12-
Heat screen, 13-bearing disc, 14-Moving plate, 1401-the first Moving plate, 1402-the second Moving plate, 1403-the 3rd Moving plate, 1404-the 4th
Moving plate, 1405-outside keyway, the quiet dish of 15-, the quiet dish of 1501-first, the quiet dish of 1502-second, the quiet dish of 1503-the 3rd, 1504-internal key
Groove, 16-compression plate, 17-thermal insulation board, 18-cylinder seat assembly, 19-hydraulic piston assembly, 20-pneumaticpiston assembly, 21-brakes
Housing, the convex key of 2101-, 2102-keyway, 22-locating snap ring, 23-key, 24-pressure-bearing cup.
Detailed description of the invention
Below in conjunction with the accompanying drawings and be embodied as this utility model is described further, but not as to of the present utility model
Limit.
Main airplane wheel described in the utility model is made up of wheel assemblies and brake gear, is arranged on aircraft main landing gear axle
On, brake gear is positioned at wheel assemblies the first cavity volume 101, and during aircraft taxi, brake gear is motionless, and wheel assemblies is around undercarriage
Axle rolling.
As depicted in figs. 1 and 2, wheel assemblies includes: wheel hub 1, wheel rim 2, half snap ring 3, sealing ring 4, end-cap assembly 5, gear
Oil ring 6, taper roll bearing 7, regulation lining 8, valve assembly 9, Hot melt plug 10, guide rail 11, heat screen 12.
Wheel hub 1 is fabricated by by high-strength aluminum alloy forging, for meridosternous formula structure, inwall is evenly equipped with 9 boss (figure
In do not show), corresponding fasten equipped with 9 guide rails 11 and with screw, be also uniformly distributed 3 Hot melt plug 10, fill between two guide rails 11
There is heat screen 12, equipped with 1 valve assembly 9 on wheel hub 1, tire is carried out inflation/deflation.
Described tread ring diameter is φ 483mm, and tread ring width is 240mm.
Wheel rim 2 carries out spacing and fixing with half snap ring 3, and is sealed by the sealing ring 4 being arranged in seal groove.
Two taper roll bearings 7 are arranged on the two ends at wheel hub 1 center, and taper roll bearing 7 internal ring is arranged on main rising and falling
On frame axle, it is used for transmitting load and supporting use.
Described regulation lining 8 is arranged between two taper roll bearings 7, for regulating between taper roll bearing 7
Axial gap.
Described oil scraper ring 6 is contained in the outside of taper roll bearing 7, prevents bearing grease from overflowing, and prevents foreign material from entering
Inner chamber and the taper roll bearing 7 that weares and teares.
3 Hot melt plug 10 are distributed on wheel hub 1 hub flange wall, are used for preventing that wheel is overheated causes tyre explosion, make aircraft pacify
Full land.
Heat screen 12 is arranged on inside wheel hub 1, between wheel hub 1 and brake disc；Stop that brake heat is to wheel hub 1 spoke
Penetrate, prevent wheel hub 1 temperature too high.
Valve assembly 9 is arranged on wheel hub 1, for the inflation/deflation of tire.
End-cap assembly 5 is installed on taper roll bearing 7 end face outside wheel hub 1, and on it, trundle 501 passes with the wheel speed of aircraft
Sensor coordinates.
As shown in Figure 3 and Figure 4, brake gear includes: bearing disc 13, Moving plate 14, quiet dish 15, compression plate 16, thermal insulation board 17,
Cylinder seat assembly 18, hydraulic piston assembly 19, pneumaticpiston assembly 20, brake shell 21, locating snap ring 22, key 23, pressure-bearing cup 24.
Cylinder seat assembly 18 is manufactured by high-strength aluminum alloy forging.7 hydraulic piston groups are installed on cylinder seat assembly 18
Part 19 and 7 pneumaticpiston assemblies 20, can change into brake disc thrust by brake system pressure.When braking, piston stretches out
Compressing brake disc, the friction between brake disc forms brake torque；When getting off the brakes, piston is multiple under return spring elastic force effect
Position, brake disc departs from releasing brake.
Described brake shell 21 includes that pressure-bearing cup 24, described pressure-bearing cup 24 are distributed in described brake shell 21 edge.Brake
Housing 21 uses titanium alloy die forging part processing and manufacturing, is important load part, by 3 keyways 2102 and aircraft main landing gear
Axle coordinates to be installed.Uniform 15 the convex keys 2101 of brake shell 21 cylindrical, with bearing disc 13, quiet dish 15 and the internal keyway of compression plate 16
1504 coordinate, and quiet dish 15 internal keyway determines the angular position of cylinder seat assembly 18 equipped with steel clamp, brake shell 21 by key 23, and
By locating snap ring 22 fixed cylinder holder assembly 18.
Brake disc includes 1 bearing disc 13, Moving plate 14,15,1 compression plate 16 of quiet dish, and described Moving plate 14 includes that first moves
Dish the 1401, second Moving plate the 1402, the 3rd Moving plate 1403 and the 4th Moving plate 1404, described quiet dish includes the first quiet dish 1501, second
Quiet dish 1502 and the 3rd quiet dish 1503, described bearing disc the 13, first Moving plate 1401, first quiet dish the 1501, second Moving plate 1402,
Two quiet dish the 1503, the 4th Moving plates 1404 of quiet dish the 1502, the 3rd Moving plate the 1403, the 3rd and compression plate 16 laminate successively.
Bearing disc 13 and compression plate 16 use as the quiet dish of one side.Described bearing disc 13 and the non-frictional surface of compression plate 16
Scribble inoxidzable coating.The internal keyway 1504 of quiet dish 15 is enclosed within the convex key 2101 of brake shell 21, and restriction rotates in a circumferential direction, can axle
To movement.The outside keyway 1405 of Moving plate 14 is stuck on the guide rail 11 of wheel hub 1, and Moving plate 14 rotates with wheel hub 1, is axially movable.Stop
Che Shi, hydraulic piston assembly 19 or and air pressure piston component 20 apply axial compressive force to thermal insulation board 17, brake disc friction generation is stopped
Car moment, is delivered to wheel, makes wheel brake.
The outside keyway 1405 of Moving plate 14 coordinates with the guide rail 11 on wheel hub 1, and outside keyway 1405 is equipped with rustless steel steel clamp (in figure
Do not show), outside keyway 1405 is shielded.Internal keyway 1504 is all had on described quiet dish 15, compression plate 16 and bearing disc 13, interior
Keyway 1504 coordinates with the convex key 2101 of brake shell 21, and internal keyway 1504 is equipped with rustless steel steel clamp (not shown), to internal key
Groove 1504 shields.
Thermal insulation board 17 inner ring keyway, with internal keyway 1504 at same position, coordinates with the convex key 2101 in brake shell 21,
Its function reduces brake heat and transmits to cylinder seat assembly 18, reduce cylinder seat assembly 18 and hydraulic piston assembly 19 or gentle
The temperature of pressure piston component 20.Described cylinder seat assembly installs 7 hydraulic piston assemblies 19 and 7 pneumaticpiston assemblies 20.
The brake work process of main airplane wheel: during aircraft taxi, wheel takes turns rotation at random at ground surface, Moving plate 14,
Quiet dish 15, bearing disc 13, compression plate 16 be relative, and Moving plate 14 is static does not turns.During brake, hydraulic piston assembly 19 Huo and pneumaticpiston
Brake pressure is converted into axial force and compresses brake disc by assembly 20, produces moment of friction thus brakes wheel.When getting off the brakes, stop
Car pressure discharges, and hydraulic piston assembly 19 Huo and air pressure piston component 20 are return, and brake disc departs from, and releases brake.
Particular instance of the present utility model content to utility model has done close explanation.To this area general technology people
For Yuan, any obvious change on the premise of without departing substantially from this utility model spirit, it made, all constitute this
The infringement of utility model patent, will undertake corresponding legal responsibility.
Claims (8)
1. a main airplane wheel, is made up of wheel assemblies and brake gear, it is characterised in that
Described wheel assemblies includes wheel hub, wheel rim, half snap ring, guide rail, taper roll bearing, regulation lining, oil scraper ring, heat insulation
Screen, valve assembly and Hot melt plug；
Described brake gear includes cylinder seat assembly, piston component, brake shell, brake disc and thermal insulation board；
Described brake disc includes bearing disc, Moving plate, quiet dish, compression plate；
Described wheel hub is meridosternous structure, and described hub inner lumen circumferential surface several guide rails of uniform installation, in described wheel hub
Feeling at ease and fill two taper roll bearings, described regulation lining is installed between described taper roll bearing, and described oil scraper ring is pacified respectively
It is contained in outside two described taper roll bearings, several Hot melt plug of uniform installation on described wheel hub hub flange wall, described valve
Nozzle assembly is arranged on wheel hub, and equipped with sealing ring in the seal groove of described wheel hub, described wheel rim is solid with wheel hub by half snap ring
Fixed, described heat screen is installed between described wheel hub and described brake disc, and end-cap assembly is installed on taper roller axle outside wheel hub
Holding place, described cylinder seat assembly is that air-liquid presses channel structure, equipped with by hydraulic pressure, the separately-driven piston component of air pressure, described
Piston component uses automatic gap adjusting to return power structure, and described brake shell uses shade structure, described brake shell and described cylinder
Holder assembly is connected by locating snap ring, and described thermal insulation board is placed between described brake disc and piston component.
Main airplane wheel the most according to claim 1, it is characterised in that: described bearing disc and the non-frictional surface of compression plate
Scribble inoxidzable coating.
Main airplane wheel the most according to claim 1, it is characterised in that: there are outside keyway, outside keyway and wheel on described Moving plate
Guide rail on hub coordinates, and outside keyway is equipped with rustless steel steel clamp.
Main airplane wheel the most according to claim 1, it is characterised in that: all have on described quiet dish, compression plate and bearing disc
Internal keyway, internal keyway coordinates with the convex key of brake shell, and internal keyway is equipped with rustless steel steel clamp.
Main airplane wheel the most according to claim 1, it is characterised in that: described Moving plate include the first Moving plate, the second Moving plate,
3rd Moving plate and the 4th Moving plate, described quiet dish includes the first quiet dish, the second quiet dish and the 3rd quiet dish, described bearing disc, first moves
Dish, the first quiet dish, the second Moving plate, the second quiet dish, the 3rd Moving plate, the 3rd quiet dish, the 4th Moving plate and compression plate laminate successively.
Main airplane wheel the most according to claim 1, it is characterised in that: described brake shell includes pressure-bearing cup, described in hold
Compression cup is uniform is fixed in described brake shell edge.
Main airplane wheel the most according to claim 1, it is characterised in that: 7 hydraulic pistons installed by described cylinder seat assembly
Assembly and 7 pneumaticpiston assemblies.
Main airplane wheel the most according to claim 1, it is characterised in that: described end-cap assembly is provided with and passes with aircraft wheel speed
The trundle that sensor coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620680149.3U CN205801502U (en) | 2016-06-30 | 2016-06-30 | A kind of main airplane wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620680149.3U CN205801502U (en) | 2016-06-30 | 2016-06-30 | A kind of main airplane wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205801502U true CN205801502U (en) | 2016-12-14 |
Family
ID=57513063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620680149.3U Active CN205801502U (en) | 2016-06-30 | 2016-06-30 | A kind of main airplane wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205801502U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114827A (en) * | 2016-06-30 | 2016-11-16 | 北京北摩高科摩擦材料有限责任公司 | A kind of main airplane wheel |
| CN109305147A (en) * | 2018-10-24 | 2019-02-05 | 西安航空制动科技有限公司 | Airborne brake air cooling system and its control method with automatic control function |
| CN109896044A (en) * | 2019-04-04 | 2019-06-18 | 西安航空制动科技有限公司 | A kind of piston reset device for aircraft brake wheel |
-
2016
- 2016-06-30 CN CN201620680149.3U patent/CN205801502U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114827A (en) * | 2016-06-30 | 2016-11-16 | 北京北摩高科摩擦材料有限责任公司 | A kind of main airplane wheel |
| CN109305147A (en) * | 2018-10-24 | 2019-02-05 | 西安航空制动科技有限公司 | Airborne brake air cooling system and its control method with automatic control function |
| CN109896044A (en) * | 2019-04-04 | 2019-06-18 | 西安航空制动科技有限公司 | A kind of piston reset device for aircraft brake wheel |
| CN109896044B (en) * | 2019-04-04 | 2024-03-29 | 西安航空制动科技有限公司 | Piston resetting device for aviation brake wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 102206 Beijing Changping District Science Park Road No. 13 room 317 floating white Patentee after: Beijing North High Tech friction materials Limited by Share Ltd Address before: 102206 Beijing City, Shahe Town, Shahe Industrial Zone, North Korea Hi Tech Co., Ltd., Patentee before: Beijing Bei Mo Gao Ke Friction Material Co., Ltd. |