Remote-manipulation emergency braking system and design method thereof

An emergency braking and long-distance technology, applied in the field of emergency braking systems, can solve the problems of complex system maintenance difficulty, long hydraulic pipeline, heavy system weight, etc., and achieve the effect of simple maintenance, weight reduction, and remote control

Pending Publication Date: 2019-02-05
XIAN AVIATION BRAKE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the problems of long emergency brake hydraulic pipelines, heavy system weight, and difficult maintenance brought about by the complexity of the system in the prior art, the present invention proposes a remote-operated emergency brake system and its design method

Method used

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  • Remote-manipulation emergency braking system and design method thereof
  • Remote-manipulation emergency braking system and design method thereof
  • Remote-manipulation emergency braking system and design method thereof

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Embodiment Construction

[0040] This embodiment is a remote control emergency braking system, including a brake command sensor 7, an electromagnetic hydraulic lock 9, an electro-hydraulic pressure servo valve 8, a fuse 11, a brake command sensor 7, a power supply 12, and a landing gear position switch 10. Wherein: the working oil port of the electro-hydraulic pressure servo valve 8 is connected with the brake oil inlet of the brake wheel 4, and the oil outlet of the electro-hydraulic pressure servo valve is connected with the oil return line of the fuel tank 2; the electro-hydraulic pressure servo valve The oil inlet of 8 communicates with the oil outlet of the electromagnetic hydraulic lock 9; the control signal input end of the electro-hydraulic pressure servo valve 8 communicates with the control command output end of the electro-hydraulic pressure servo valve of the brake command sensor 7.

[0041] The electromagnetic hydraulic lock 9 has three hydraulic ports, namely an oil inlet, an oil return po...

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PUM

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Abstract

The invention discloses a remote-manipulation emergency braking system and a design method thereof. A braking instruction sensor mounted in a cockpit directly controls an electromagnetic hydraulic lock and an electro-hydraulic pressure servo valve which are mounted in a main gear compartment, and thus remote manipulation of the emergency braking system is achieved; the electromagnetic hydraulic lock and the electro-hydraulic pressure servo valve which are mounted in the main gear compartment are connected to a hydraulic source nearby; and a hydraulic pipeline of the braking system is arrangedin the main gear compartment in the mode of being close to a braking airplane wheel. The problem that the hydraulic pipeline must enter the cockpit is solved, thus the length of the hydraulic pipelineis decreased, the emergency braking system is easy to maintain, and the complexity and the maintenance difficulty of the emergency braking system are lowered.

Description

technical field [0001] The invention relates to the field of aircraft braking systems, in particular to a remotely controlled emergency braking system and a design method thereof. Background technique [0002] Existing aircraft braking system widely adopts digital fly-by-wire anti-skid braking system, and aircraft braking system is made up of normal braking system and emergency braking system. The normal braking system has an anti-skid function; the emergency braking system is composed of a brake decompression valve 1, a fuel tank 2, a hydraulic pressure source 3, and a foot pedal 5, and the emergency braking is realized by a hand brake without anti-skid function. see details figure 1 Schematic diagram of the prior art emergency braking system. [0003] The brake decompression valve 1 is hingedly connected with the foot pedal 5 and is installed in the main cockpit; since the emergency braking system adopts a mechanical brake decompression valve, the hydraulic pipeline of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64C25/44
CPCB64C25/44
Inventor 刘忠平韩亚国马建峰王钊
Owner XIAN AVIATION BRAKE TECH
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