CN2889898Y - Braking wheel for airplane - Google Patents
Braking wheel for airplane Download PDFInfo
- Publication number
- CN2889898Y CN2889898Y CN 200620018952 CN200620018952U CN2889898Y CN 2889898 Y CN2889898 Y CN 2889898Y CN 200620018952 CN200620018952 CN 200620018952 CN 200620018952 U CN200620018952 U CN 200620018952U CN 2889898 Y CN2889898 Y CN 2889898Y
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- CN
- China
- Prior art keywords
- wheel
- assembly
- brake
- ring
- wheel hub
- 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 - Lifetime
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Abstract
The utility model discloses a braking wheel for airplane, which comprises a wheel component and a braking device, wherein, the wheel component includes a wheel hub, a heat fuse plug, an active wheel flange, a semi-snap ring, an oil deflector ring, an end cap, an uniserial tapered roller bearing, a regulating lining, an inflating valve component and a guide track; the braking device contains a brake casing, a cylinder seat component, a regular piston component, an emergency piston component, a steel clamp ring, a single-surface static disc, a double-surface static disc, an active disc component, a steel bearing disc component, a regulating ring, a stop key, a protective cover and a limit ring. The utility model realizes braking function for J-10 single-seat type plane.
Description
Technical field
The utility model relates to a kind of landing system of taking off, and relates in particular to a kind of aircraft braking wheel.
Background technology
Airplane brake system generally includes wheel and tire, and wheel comprises wheel assembly and brake gear again.The wheel assembly is made up of parts such as wheel hub, wheel rim, guide rail, bearings; Brake gear is made up of parts such as cylinder seat assembly, brake housings, and parts such as piston, hot melt plug are housed on the cylinder seat.
Qian tenth single seat type aircraft is the aircraft that China's independent development is produced, 14.57 meters of this captains; 8.78 meters of the spanes; Maximum speed surpasses two Mach of (velocities of sound: 340 meters of per seconds); 10,000 8000 meters of maximum ceilings; 1100 kilometers of combat radiuses; 2500 kilometers of maximum ranges.
The Qian tenth aircraft has adopted a large amount of composite materials, and opportunities of combat such as its weight ratio F-16 are slightly light, and the power of driving engine is but suitable substantially, and this accounts for its thrust ratio and has great advantage, thereby has outstanding air battle ability.
Summary of the invention
In order to realize Qian tenth single seat type aircraft brake function, the utility model provides a kind of aircraft braking wheel, this brake main frame wheel and the supporting use of 730 * 210-381 tubeless tires, be installed on the Qian tenth type aircraft main landing gear, the supporting quantity of unit: 2 covers, run, slide, turn, brake and support aircraft utilization for taking off, land, sliding.
The utility model is achieved through the following technical solutions:
Aircraft braking wheel is made up of wheel assembly and brake gear, and brake gear is positioned at the wheel component internal.
Wherein the wheel assembly comprises wheel hub, hot melt plug, movable wheel rim, half snap ring, oil seal washer, end cap, single-row tapered roller bearing, adjusting lining, valve assembly, guide rail.
Guide rail and well-distributed hot melt plug are housed on the wheel hub inwall, and guide rail is used for matching with the Moving plate keyway of brake gear.Valve assembly is housed on the wheel hub.
Movable wheel cause two and half snap rings are connected with wheel hub, tire are carried out spacing and fixing.
Half snap ring is two semicircle parts, and two ends indicate identical numbering.In order to prevent that flat tire and when transportation movable wheel rim from coming off from wheel hub, links together with half snap ring of connection sheet with two identical numberings with screw, and fix with wire fuse.
Oil seal washer is contained in respectively on the wheel hub, and the outside of wheel bearing prevents that bearing grease from overflowing, and avoids exotic to enter bearing cavity and run out bearing.
End cap is screwed on wheel hub, and the shift fork of the anti-skidding sensor that the trundle on the end cap is interior with being contained in alighting gear wheel axis hole cooperates, and the rotor of sensor and wheel hub are rotated synchronously.
Single-row tapered roller bearing is installed in the hub bearing hole, with wheel hub and adjusting lining location.
Regulate lining and be installed in the wheel hub between two single-row tapered roller bearings, bearing is played location and adjusting play.
Brake gear comprises brake housing, cylinder seat assembly, normal piston component, emergency piston assembly, steel hold-down ring, the quiet dish of single face, two-sided quiet dish, dynamic disk component, steel bearing disc assembly, regulating ring, locking key, protecting cover, locating ring.
The brake housing is the important load part of main frame wheel brake braking, and the one end connects with steel bearing disc assembly, and the other end has two square key holes, hinders the biconvex key with undercarriage wheel axle and is connected, and transmits braking torque.
The cylinder seat assembly is contained on the brake housing; normal piston component and emergency piston assembly are installed on the cylinder seat assembly; normal piston component uses hydraulic-driven, and the emergency piston assembly uses air pressure to drive, and the hydraulic pressure or the atmospheric pressure that brake system can be provided change into the brake disc thrust.The cylinder seat assembly is contained in the angular position of brake housing to be determined by keyway, and axial location is cooperated by locating ring and protecting cover to be determined.The brake disc wearing and tearing indicator stem that is contained on the hold-down ring matches the indication wear pattern with the wearing and tearing indicator stem hole on the cylinder seat assembly.
Steel hold-down ring, the quiet dish of single face, two-sided quiet dish, dynamic disk component are installed on the brake housing, with keyway location on the brake housing.
Steel bearing disc assembly is installed on the brake housing, is close to two-sided quiet dish, away from the cylinder seat assembly.
Regulating ring, locating ring, locking key are installed between brake gear and the cylinder seat assembly, play location and the effect of brake disc wear adjustment.
Protecting cover is positioned at brake gear top, and its effect is not allow dust enter in the brake gear.
The working process of aircraft braking wheel is: during aircraft taxi, aircraft braking wheel is in ground surface, and 3 dynamic disk components wheel assembly at random rotate together, is contained in the quiet dish assembly of 2 single faces on the brake housing, 2 two-sided quiet dish assemblies are static does not relatively change; During brake, normal piston component moves forward under the effect of brake pressure, compresses dynamic and static dish, makes to produce friction force between it, makes the wheel braking; When releasing of brake, brake pressure discharges, and piston is return, and dynamic and static dish unclamps, and makes wheel remove brake.
Description of drawings
Fig. 1 is a section-drawing of the present utility model.
Fig. 2 is a wheel assembly section-drawing of the present utility model.
Fig. 3 is a wheel assembly right elevation of the present utility model.
Fig. 4 is a brake gear section-drawing of the present utility model.
Fig. 5 is a brake gear left view of the present utility model.
Wherein
1-wheel assembly
The 2-brake gear
The 11-wheel hub
12-hot melt plug
The movable wheel rim of 13-
14-half snap ring
The 15-oil seal washer
The 16-back-up ring
The 17-end cap
The 18-single-row tapered roller bearing
19-regulates lining
The 20-valve assembly
The 22-oil seal washer
The 23-guide rail
The 25-trundle
The 26-boss
The 51-housing that brakes
52-cylinder seat assembly
The normal piston component of 53-
54-emergency piston assembly
55-steel hold-down ring
The quiet dish of 56-single face
The two-sided quiet dish of 57-
The 58-dynamic disk component
59-steel bearing disc assembly
The 60-regulating ring
The 61-locking key
The 62-protecting cover
The 63-locating ring
66-square key hole
The protruding key of 67-
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described further, but not as to qualification of the present utility model.
As shown in Figure 1, aircraft braking wheel is made up of wheel assembly 1 and brake gear 2, and brake gear 2 is positioned at wheel assembly 1 inside.
Shown in Fig. 2,3, wheel assembly 1 comprises 11,3 hot melt plugs 12 of wheel hub, 13,2 half snap rings 14 of movable wheel rim, oil seal washer 15, back-up ring 16,17,2 single-row tapered roller bearings 18 of end cap, regulates lining 19, valve assembly 20, oil seal washer 22 and 9 guide rails 23.
Movable wheel rim 13 is to be formed by the manufacturing of high strength aluminum alloy LD10 loose tooling forging blank, be connected with wheel hub 11 with two and half snap rings 14, the tire (not shown) is carried out spacing and fixing, in order to prevent that movable wheel rim 13 and wheel hub 11 from throwing off, wheel rim 11 is connected with wire fuse with connection sheet on two and half snap rings 14 during transportation.
Half snap ring 14 is two semicircle parts making with Alclad LY11 material, and two ends indicate identical numbering.In order to prevent that flat tire and when transportation movable wheel rim 13 from coming off from wheel hub 11, links together with half snap ring 14 of connection sheet with two identical numberings with screw, and fix with wire fuse.
Oil seal washer 15 is made the elastomeric material sulfuration on metallic framework, two oil seal washers 15 are contained in the outside of 1 two single-row tapered roller bearings 18 of wheel assembly respectively, prevent that bearing grease from overflowing, and avoid exotic to enter bearing cavity and run out bearing.Oil seal washer 15 is pressed on its applying on the single-row tapered roller bearing 18 interior ring end faces by brake housing 51 when installation; Oil seal washer 22 is contained on the wheel hub 11.
End cap 17 is screwed on wheel hub 11, and the shift fork (not shown) of the anti-skidding sensor that the trundle 25 on the end cap 17 is interior with being contained in alighting gear wheel axis hole cooperates, and the rotor (not shown) of sensor and wheel hub 11 are rotated synchronously.
Single-row tapered roller bearing 18 is installed in the bearing hole of wheel hub 11, with wheel hub 11 and adjusting lining 19 location.
Regulate the middle part that lining 19 is installed in wheel hub 11 center protrusion part, play location and adjust a bearing gap.
As Fig. 4,5, brake gear 2 comprises brake housing 51,53,5 emergency piston assemblies 54 of 52,5 normal piston components of cylinder seat assembly, 57,3 dynamic disk components 58 of 56,2 two-sided quiet dishes of the quiet dish of 55,2 single faces of steel hold-down ring, steel bearing disc assembly 59, regulating ring 60, locking key 61, protecting cover 62, locating ring 63.
Brake housing 51 is important load parts of main frame wheel brake braking; make by high strength alloy steel 30CrMnSiA die forging; be coated with one deck high-temperature anticorrosion erosion lacquer after piece surface is handled and do protective cover; its front end face has two square key holes 66 of matching with alighting gear wheel crown of roll key (not shown), and aft end face connects with steel bearing disc assembly 59.Be evenly equipped with 10 protruding keys 67 on 51 faces of brake housing.On the brake housing 51 1 keyway that 10mm is wide is arranged, cooperate with corresponding keyway on the cylinder seat assembly 52, determine the angular position of cylinder seat assembly 52 assemblings by locking key 61.
Steel hold-down ring 55, the quiet dish 56 of single face, two-sided quiet dish 57, dynamic disk component 58 are installed on the brake housing 51, with keyway 65 location on the brake housing 51.
Steel bearing disc assembly 59 is installed on the brake housing 51, and the quiet dish 57 of next-door neighbour's single face is away from cylinder seat assembly 52.
Regulating ring 60, locating ring 63, locking key 61 are installed between brake gear 2 and the cylinder seat assembly 52, play the role of positioning.
Protecting cover 62 is positioned at brake gear 2 tops, and its effect is not allow dust enter in the brake gear 2.
The working process of aircraft braking wheel is: during aircraft taxi, aircraft braking wheel is in ground surface, 3 dynamic disk components 58 wheel assembly 1 at random rotate together, are contained in that 56,2 two-sided quiet dish assemblies 57 of the quiet dish assembly of 2 single faces on the brake housing 51 are static relatively not to be changeed; During brake, normal piston component 53 moves forward under the effect of brake pressure, compresses dynamic and static dish, makes to produce friction force between it, makes the wheel braking; When releasing of brake, brake pressure discharges, and piston is return, and dynamic and static dish unclamps, and makes wheel remove brake.
Specific embodiment of the present utility model elaborates content of the present utility model.For persons skilled in the art, any conspicuous change of under the prerequisite that does not deviate from the utility model spirit it being done all constitutes the infringement to the utility model patent, with corresponding legal responsibilities.
Claims (9)
1. an aircraft braking wheel comprises wheel assembly and brake gear, and wherein the wheel assembly comprises wheel hub, wheel rim, guide rail; Brake gear comprises brake housing, cylinder seat assembly, it is characterized in that:
The wheel assembly also comprises hot melt plug, half snap ring, oil seal washer, end cap, single-row tapered roller bearing, adjusting lining, valve assembly; Guide rail and hot melt plug are housed on the wheel hub inwall; Valve assembly is housed on the wheel hub; Movable wheel cause two and half snap rings are connected with wheel hub, tire are carried out spacing and fixing; Oil seal washer is contained in respectively on the wheel hub, the outside of wheel bearing; End cap is screwed on wheel hub; Single-row tapered roller bearing is installed in the hub bearing hole, with wheel hub and adjusting lining location; Regulate lining and be installed between two single-row tapered roller bearings of wheel hub the adjust a bearing gap;
Brake gear also comprises normal piston component, emergency piston assembly, steel hold-down ring, the quiet dish of single face, two-sided quiet dish, dynamic disk component, steel bearing disc assembly, regulating ring, locking key, protecting cover, locating ring; Brake housing one end connects with steel bearing disc assembly, and the other end has square key hole and alighting gear to be connected; The cylinder seat assembly is contained on the brake housing, and normal piston component and emergency piston assembly are installed on the cylinder seat assembly; Steel hold-down ring, the quiet dish of single face, two-sided quiet dish, dynamic disk component are installed on the brake housing, with keyway location on the brake housing; Steel bearing disc assembly is installed on the brake housing, is close to two-sided quiet dish, away from the cylinder seat assembly; Regulating ring, locating ring, locking key are installed between brake gear and the cylinder seat assembly; Protecting cover is positioned at brake gear top.
2. aircraft braking wheel according to claim 1 is characterized in that: 9 guide rails are housed on the wheel hub.
3. aircraft braking wheel according to claim 1 is characterized in that: 3 hot melt plugs are housed on the wheel hub.
4. aircraft braking wheel according to claim 1 is characterized in that: half snap ring is 2.
5. aircraft braking wheel according to claim 1 is characterized in that: single-row tapered roller bearing is 2.
6. aircraft braking wheel according to claim 1 is characterized in that: dynamic disk component is 3.
7. aircraft braking wheel according to claim 1 is characterized in that: the quiet dish of single face is 2.
8. aircraft braking wheel according to claim 1 is characterized in that: two-sided quiet dish is 2.
9. aircraft braking wheel according to claim 1 is characterized in that: on the brake housing two square key holes are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620018952 CN2889898Y (en) | 2006-04-04 | 2006-04-04 | Braking wheel for airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620018952 CN2889898Y (en) | 2006-04-04 | 2006-04-04 | Braking wheel for airplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2889898Y true CN2889898Y (en) | 2007-04-18 |
Family
ID=38020550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620018952 Expired - Lifetime CN2889898Y (en) | 2006-04-04 | 2006-04-04 | Braking wheel for airplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2889898Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101410A (en) * | 2013-01-29 | 2013-05-15 | 中国航天空气动力技术研究院 | Tire dismounting device and tire dismounting method for aircraft tire |
| CN105150764A (en) * | 2015-09-29 | 2015-12-16 | 西安航空制动科技有限公司 | Airplane wheel assembly |
| CN107757249A (en) * | 2017-11-21 | 2018-03-06 | 西安航空制动科技有限公司 | A kind of encapsulated snap ring and preparation method thereof |
| CN110758725A (en) * | 2019-11-12 | 2020-02-07 | 中航飞机起落架有限责任公司 | Airplane wheel shaft end fixing and connecting structure and assembling method thereof |
-
2006
- 2006-04-04 CN CN 200620018952 patent/CN2889898Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101410A (en) * | 2013-01-29 | 2013-05-15 | 中国航天空气动力技术研究院 | Tire dismounting device and tire dismounting method for aircraft tire |
| CN105150764A (en) * | 2015-09-29 | 2015-12-16 | 西安航空制动科技有限公司 | Airplane wheel assembly |
| CN107757249A (en) * | 2017-11-21 | 2018-03-06 | 西安航空制动科技有限公司 | A kind of encapsulated snap ring and preparation method thereof |
| CN110758725A (en) * | 2019-11-12 | 2020-02-07 | 中航飞机起落架有限责任公司 | Airplane wheel shaft end fixing and connecting structure and assembling method thereof |
| CN110758725B (en) * | 2019-11-12 | 2021-01-01 | 中航飞机起落架有限责任公司 | Airplane wheel shaft end fixing and connecting structure and assembling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090220 Address after: Shahe Industrial Zone, Shahe Town, Beijing, Changping District, China: 102206 Patentee after: Beijing Bei Mo Gao Ke Friction Material Co., Ltd. Address before: Beijing city science and Technology Park Road No. 13, room 317, white floating, zip code: 100084 Patentee before: Wang Shumin |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING BEI MO GAO KE FRICTION MATERIAL CO.,LTD. Free format text: FORMER OWNER: WANG SHUMIN Effective date: 20090220 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070418 |
|
| EXPY | Termination of patent right or utility model |