Airplane wheel for integrated double-brake device

A braking device and dual-brake technology, applied in mechanical equipment, aircraft braking arrangement, axial brakes and other directions, can solve the problems of large amount of brake wear, insufficient service life of carbon brake discs, poor adaptability of taxiing brakes, etc. Achieve improved operating conditions, avoidance of unfavorable wear, increased service life and economic efficiency

Active Publication Date: 2016-12-14
XIAN AVIATION BRAKE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] In order to overcome the poor adaptability to taxiing brakes in the prior art, the large amount of brake wear and the service life of carbon brake discs cannot reach the design given life value under the low-speed and low-energy state of the aircraft taxiing on the ground, the present invention proposes One-piece wheel with double brake device

Method used

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  • Airplane wheel for integrated double-brake device

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Embodiment Construction

[0018] This embodiment is an aircraft single-wheel double-brake brake wheel with a single-spoke plate structure, including a wheel and a conjoined double brake device, and the conjoined double brake device is installed in the hub cavity of the wheel. The machine wheel includes a hub 1, a bearing 5, a movable rim 2 and a half snap ring 3, on the surface of the inner wall of the hub 1, axial guide rails 4 are evenly arranged along the circumference, and the key grooves of the moving disc 9 of the brake device Cooperate with. Described hub 1, bearing 5, movable rim 2 and half snap ring 3 all adopt prior art.

[0019] The one-piece double brake device includes a cylinder block 7 , two heat stores and a brake housing 6 . The two heat stores share a brake casing.

[0020] The brake housing 6 is a cylindrical member, and the two ends of the brake housing 6 are respectively equipped with cylinder blocks 7; one end of the brake housing 6 has a flange connected with the axle of the la...

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Abstract

The invention provides an airplane wheel for an integrated double-brake device. A braking unit of the braking wheel is the integrated double-brake device. The integrated double-brake device comprises two heat reservoirs which share a same brake shell; the inner surface of the drum of the brake shell is provided with a shared bearing disc which divides the heat reservoir of one disc brake into a large brake unit and a small brake unit, so the original single brake of the heat reservoir is changed into two brakes; during braking in taxiing, only the small brake unit runs, so operation conditions are improved while requirements on direction maintenance and turning during taxiing and deceleration of an airplane are met, which enables unfavorable wearing of a carbon disc to be avoided; and the two brake units both operate during braking in landing run or braking at the end of a take-off line, so requirements of a braking function of the airplane are met. According to the invention, the loading capability of a carbon disc is raised to a rated state, so operation conditions are improved, unfavorable wearing of the carbon disc is avoided, the inherent problem of great wearing of the carbon disc during braking in taxiing is overcome, the performance of a carbon-carbon composite friction product is given to full play, and the service life and economic benefits of the carbon disc are improved.

Description

technical field [0001] The invention relates to an aircraft landing gear, in particular to a wheel with connected double brake devices for a single-wheel main landing gear. Background technique [0002] Aircraft carbon brakes refer to the brake device that constitutes the heat storage of the disc brake wheel or the brake disc components of the friction element are completely made of carbon-carbon composite friction materials. Compared with steel brakes, it is light in weight, wear-resistant and relatively The advantages of high heat and high temperature non-bonding have significantly improved the aircraft's technical performance, reliability, safety and maintainability, so it has been widely used in modern aircraft. Carbon-carbon composite friction material brake discs for aircraft carbon brakes are usually referred to as carbon brake discs, or carbon discs. A set of carbon brake devices specifically includes a pressure disc and a pressure disc, several moving discs and stat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64C25/42F16D55/24
CPCF16D55/24B64C25/42
Inventor 何永乐张万顺张艺
Owner XIAN AVIATION BRAKE TECH
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