CN201296383Y - Aircraft brake wheel - Google Patents
Aircraft brake wheel Download PDFInfo
- Publication number
- CN201296383Y CN201296383Y CNU2008200793728U CN200820079372U CN201296383Y CN 201296383 Y CN201296383 Y CN 201296383Y CN U2008200793728 U CNU2008200793728 U CN U2008200793728U CN 200820079372 U CN200820079372 U CN 200820079372U CN 201296383 Y CN201296383 Y CN 201296383Y
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- charcoal
- wheel
- brake
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- carbon
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Abstract
The utility model relates to an aircraft takeoff and landing system, in particular to an aircraft brake wheel which can meet the aircraft braking requirements and improve the braking efficiency. The aircraft brake wheel comprises a wheel component and a braking device; wherein, the braking device is arranged in the wheel component; the wheel component comprises a wheel hub, hot-melted plugs, a movable rim, a retainer ring, an oil retainer, a gear, a protecting cover, heat displays, an adjusting lining, a single row of conical roller bearings, an inflating valve component, guide rails, leather cups and a fan component; and the braking device comprises a cylinder block component, a brake shell, a carbon/carbon holddown plate, a holddown plate, a carbon/carbon bearing plate, a carbon/carbon double-surfaced static plate, a carbon/carbon dynamic plate component, an anti-skid transmission device, a steel bearing plate component and a limit block. The design of the brake wheel enhances the structural strength, facilitates inspection and maintenance, shortens the maintenance time, and has the advantages of convenient and safe use, high practicality, broad prospects of promotion and application and obvious military and economic benefits after being popularized.
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 brake wheel and tire, the brake wheel comprises wheel assembly and brake gear again, the brake wheel of aircraft and the function of tire be guarantee aircraft in ground taxi, turning, normal landing, landings of taking off, overload, end to take off and the drag when ground stop and engine test.
Summary of the invention
The purpose of this utility model is to provide a kind of braking operating needs that can satisfy aircraft, improves the aircraft braking wheel of braking efficiency.
The utility model is achieved through the following technical solutions:
In order to realize Qian tenth one BS type aircraft brake function, a kind of aircraft braking wheel of the present utility model and the supporting use of 1030 * 350-500mm tubeless tires, be installed on the Qian tenth one BS 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.
A kind of aircraft braking wheel of the present utility model, comprise wheel assembly and brake gear, wherein: brake gear is positioned at the wheel component internal, the wheel assembly is made up of wheel hub, hot melt plug, movable wheel rim, snap ring, oil seal washer, gear, protecting cover, hot telltale, adjusting lining, single-row tapered roller bearing, valve assembly, guide rail, leather cup, fan component, and brake gear is by cylinder seat assembly, brake housing unit, charcoal/charcoal compression plate, charcoal/charcoal bearing disc, the two-sided quiet dish of charcoal/charcoal, charcoal/charcoal dynamic disk component, anti-skidding driving device, steel bearing disc assembly, limiting stopper.
Aircraft braking wheel described in the utility model, wherein: described wheel hub is a meridosternous formula structure, and guide rail and well-distributed hot melt plug are housed on the described wheel hub inwall, described guide rail is used for matching with the Moving plate keyway of brake gear.Uniform 3 hot melt plugs are equipped with valve assembly on the wheel hub on the wheel rim wall of wheel hub.
Aircraft braking wheel described in the utility model, wherein: described movable wheel rim is connected with wheel hub by snap ring and tire is carried out spacing and fixing, the seal ring of sealing inner tube free wheel is housed in the seal groove of described wheel hub, described snap ring links together by screw and connecting strap, and fixes with wire fuse.
Aircraft braking wheel described in the utility model, wherein: described gear is installed on the end face of wheel hub internal boss by screw and the anti-skidding driving device on the brake gear assembly is meshed.
Aircraft braking wheel described in the utility model, wherein: tapered roller bearing is installed in the two ends at wheel hub center, with the axial restraint in hub bearing hole apart from the location, leather cup is contained in the outside of two tapered roller bearings on the wheel hub respectively, and, regulate lining and be installed between wheel hub two tapered roller bearings respectively with preventing that the back-up ring that the tapered roller bearing grease overflows from fixing.
Aircraft braking wheel described in the utility model, wherein: the hot telltale that shows degree of superheat is along the circumferential direction installed in the fixed flange outside at described wheel hub.
Aircraft braking wheel described in the utility model, wherein: in the wheel hub disc outside fan component and protecting cover are housed, described fan component is contained in the wheel hub disc outside, and protecting cover is contained in the fan component outside, and fixes with screw and wheel hub.
Aircraft braking wheel described in the utility model, wherein: 8 piston components are installed on the cylinder seat assembly, are the hydraulic piston assembly that uses hydraulic oil to drive, 3 limiting stoppers are installed between brake gear and the cylinder seat,
Aircraft braking wheel described in the utility model, wherein: described steel bearing disc and 15 pressure-bearing cups are riveted together, and form steel bearing disc assembly, and are installed on the brake housing end face away from the cylinder seat assembly by bolt.
Aircraft braking wheel described in the utility model, wherein: described charcoal/charcoal compression plate, charcoal/charcoal bearing disc, the two-sided quiet dish of charcoal/charcoal, charcoal/charcoal dynamic disk component are installed on the brake housing, by brake housing bond angle to the location, and by steel bearing disc assembly axial location, in the brake housing, be provided with anti-skidding driving device, with screw retention the brake housing on, and with the wheel assembly on gear mesh.
The wheel principle of work: the wheel assembly is loaded on the aircraft main landing gear together with the brake gear assembly, during the aircraft grounding, can be used for supporting aircraft; During aircraft taxi, wheel is in ground surface, brake gear Moving plate with the wheel synchronous rolling has relative motion with the quiet dish of brake that is contained on the brake housing, when aircraft brake, produce friction between Moving plate and the quiet dish, thereby between wheel tire and ground, produce rolling resistance, aircraft is turned or braking.
The utlity model has following remarkable advantage: brake wheel design of the present utility model has strengthened structural strength, convenient to check and maintenance, shorten maintenance time, easy to use, safe, practical, popularizing application prospect is very wide, military affairs and economic benefit after popularizing are fairly obvious.
Description of drawings:
Fig. 1 is the sectional side view of a kind of aircraft braking wheel integral installation of the utility model distribution structure.
Fig. 2 is the wheel components side section-drawing of a kind of aircraft braking wheel of the utility model.
Fig. 3 is the brake gear sectional side view of a kind of aircraft braking wheel of the utility model.
Fig. 4 is the brake gear front view of a kind of aircraft braking wheel of the utility model.
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.
As shown in Figure 2, described wheel assembly comprises 3,9 heat screens 4 of 9 guide rails, wheel hub 5, movable wheel rim 6,7,3 hot melt plugs 8 of snap ring, gear 9,10,2 leather cups 11,17 of oil seal washer, seal ring 12, valve assembly 13,14,2 tapered roller bearings 15 of pressure ring, regulates lining 16 and 3 hot telltales 18, fan component 30 and protecting covers 31.
Described wheel hub 5 is formed by the manufacturing of high strength aluminum alloy 2A50 (LD5) swage forging blank, belong to meridosternous formula structure, be evenly equipped with 9 boss on the wheel hub 5 brake cavity volume inwalls, 3 hot melt plugs 8 of 9 guide rails 3 and well-distributed are housed, 9 heat screens 4 are housed between 9 guide rails 3, and guide rail 3 is used for cooperating with the keyway of the dynamic disk component 19 of brake gear 2.1 valve assembly 13 is housed on the wheel hub 5 and 3 uniform hot telltales 18 are housed at the fixed flange place, protecting cover 31 and fan component 30 are equipped with in the wheel hub disc outside of wheel hub 5, described fan component 30 is contained in the wheel hub disc outside, protecting cover 31 is contained in fan component 30 outsides, and fixes with screw and wheel hub.
Tapered roller bearing 15 is installed in the two ends at wheel hub 5 centers, plays and being connected and supporting role of boss rod.
Regulate lining 16 and be installed between two tapered roller bearings 15, play the location and regulate gap between the tapered roller bearing 15.
Fan component 30 is contained in the wheel hub disc outside, plays the effect that reduces the wheel hub temperature.
Protecting cover 31 is contained in fan component 30 outsides, and fixes with screw and wheel hub, in order to the protection fan component.
Shown in Fig. 3,4, brake gear 2 comprises charcoal/charcoal dynamic disk component 19, pressure-bearing cup 20, steel bearing disc 21, cylinder seat 22, brake housing 23, charcoal/charcoal bearing disc 24, the two-sided quiet dish 25 of charcoal/charcoal, charcoal/charcoal compression plate 26, limiting stopper 27, anti-skidding driving device 28, piston component 29.
8 piston components 29 are housed on the cylinder seat 22, and piston component 29 uses hydraulic-driven, and the hydraulic pressure that brake system can be provided changes into the brake disc thrust.The brake disc wearing and tearing indicator stem that is contained on charcoal/charcoal compression plate 26 matches the indication wear pattern with the wearing and tearing indicator stem hole (not shown) of cylinder seat.
Charcoal/charcoal compression plate 26, charcoal/charcoal dynamic disk component 19, the two-sided quiet dish 25 of charcoal/charcoal, charcoal/charcoal bearing disc 24 are installed on the brake housing 23, with 15 keyway location on the brake housing 23. Steel bearing disc 21 and 15 pressure-bearing cups 20 are riveted together.
Limiting stopper 27 is installed in the dowel hole of brake housing 23 and cylinder seat 22, and is fixed together with cylinder seat 22 with the half snap ring (not shown) housing 23 that will brake, with the fixing axial angular position that reaches between the two.
The working process of aircraft braking wheel is: during aircraft taxi, aircraft braking wheel is in ground surface, charcoal/charcoal dynamic disk component 19 wheel assembly 1 at random rotates together, is contained in charcoal/charcoal compression plate 26, the charcoal/charcoal quiet dish 25 of brake on the housing 23, charcoal/charcoal bearing disc 24 is static does not relatively change; During brake, piston component 29 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 the sound 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, will bear the corresponding legal liability that get.
Claims (1)
1. aircraft braking wheel, comprise wheel assembly and brake gear, it is characterized in that: brake gear is positioned at the wheel component internal, the wheel assembly is by wheel hub, the hot melt plug, movable wheel rim, snap ring, oil seal washer, gear, protecting cover, hot telltale, regulate lining, single-row tapered roller bearing, valve assembly, guide rail, leather cup, fan component is formed, brake gear is by the cylinder seat assembly, the brake housing, charcoal/charcoal compression plate, charcoal/charcoal bearing disc, the two-sided quiet dish of charcoal/charcoal, charcoal/charcoal dynamic disk component, anti-skidding driving device, steel bearing disc assembly, limiting stopper, described gear is installed on the end face of wheel hub internal boss by screw, be meshed with the anti-skidding driving device on the brake gear assembly, described anti-skidding driving device is installed in the brake housing, with screw retention the brake housing on, described charcoal/charcoal compression plate, charcoal/charcoal bearing disc, the two-sided quiet dish of charcoal/charcoal, charcoal/charcoal dynamic disk component is installed on the brake housing, by brake housing bond angle to the location, and by steel bearing disc assembly axial location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200793728U CN201296383Y (en) | 2008-03-13 | 2008-03-13 | Aircraft brake wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200793728U CN201296383Y (en) | 2008-03-13 | 2008-03-13 | Aircraft brake wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201296383Y true CN201296383Y (en) | 2009-08-26 |
Family
ID=41042351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200793728U Expired - Lifetime CN201296383Y (en) | 2008-03-13 | 2008-03-13 | Aircraft brake wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201296383Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303471A (en) * | 2012-03-12 | 2013-09-18 | 霍尼韦尔国际公司 | Movable bushing interface and taxi drive system |
| CN104691747A (en) * | 2015-02-05 | 2015-06-10 | 南京航空航天大学 | Air vehicle full-electric braking device and method thereof |
| CN112693600A (en) * | 2021-01-15 | 2021-04-23 | 林春 | Small unmanned aerial vehicle wheel brake mechanism |
-
2008
- 2008-03-13 CN CNU2008200793728U patent/CN201296383Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303471A (en) * | 2012-03-12 | 2013-09-18 | 霍尼韦尔国际公司 | Movable bushing interface and taxi drive system |
| CN104691747A (en) * | 2015-02-05 | 2015-06-10 | 南京航空航天大学 | Air vehicle full-electric braking device and method thereof |
| CN104691747B (en) * | 2015-02-05 | 2016-08-24 | 南京航空航天大学 | Aircraft electric braking device and method |
| CN112693600A (en) * | 2021-01-15 | 2021-04-23 | 林春 | Small unmanned aerial vehicle wheel brake mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 Shahe Changping District Shahe Industrial Zone, Beijing, North Korea hi tech friction materials Co., Ltd. Patentee before: Beijing Bei Mo Gao Ke Friction Material Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090826 |