Brake power testing method of large kinetic energy brake device

Abstract

The invention relates to a brake power testing method of a large kinetic energy brake device. At present, the once brake absorbing kinetic energy of a carbon brake device of a large aircraft can reach up to 85MJ, 105MJ and 125MJ, and the output energy of an existing inertia platform cannot completely meet the requirements of a testing schedule. The invention aims to provide the brake power testing method of the large kinetic energy brake device. According to the method provided by the invention, a carbon brake disk is arranged in the middle of the brake device in a national multi-disk type brake device, and a plurality of static discs (4) and moving discs (3) are arranged alternately, and the requirement that the kinetic energy of the AS inertia platform can be absorbed by a primary brake device of either a machine wheel or a main wheel can be reduced by reducing the method of a new technology of reasonably reducing the amount of friction surfaces under the condition of keeping the QF (Quality Factor) of the kinetic energy absorbed by a unit friction surface constant; furthermore, a method of testing the brake power of the brake device of a national airplane with large kinetic energy can be realized, and the phenomenon of locking either airplane wheels or a main wheel can be prevented in the test.

Description

1. Technical field: [0001] The invention relates to a test method for an aircraft carbon brake device in a bench test when the energy provided by a brake power test bench cannot meet the energy requirements of a test program, and specifically refers to a brake power test method for a large kinetic energy aircraft brake device. 2. Background technology [0002] At present, the aircraft used by China's civil aviation are mainly imported Airbus A320, A319, A321 and Boeing B757, B767 and other models. In recent years, many large-scale A330, A340 and so on have been imported. In recent years, my country has made considerable progress in the localization of civil aircraft carbon discs, and progress has been made in the localization of all carbon brake discs for aircraft to replace imported ones. During the development process, the dynamic test of the brake device is the main identification before the test flight. means of performance. With the rapid development of my country's air...

AI Technical Summary

Problems solved by technology

The domestically produced large civil aircraft carbon brake disc is used to make the test proceed smoothly through energy simulation and obtain Satisfactory results, solved the problem that the domestic super energy could not be tested in the past, and at the same time solved the problem that the test of the large civil aircraft carbon brake disc produced in China often caused the wheel lock to stop the test.

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