The Research And Manufacture Of Motor Disc-Brake Property Test Rig Simulation System

The Brake is an important safety device on vehicle. Its better quality and excellence capability are the important safeguard in traveling. The Brake Test-Rig is the device that could test brake's performance and quality, is the test-rig that indispensability in brake manufacture factories.To ensure that the brake manufacture factories and some colleges could doing scene-teach and experimentation about brake test rig, exhibit expediently in exhibition, debug and install test-rig software expediently, this article combine with Brake Property Test Rig Simulation Equipment, that the item of Hang Zhou Junah Rub Material Ltd in Ze Jiang, research intothe motorcycle disc-brake testing theory and motorcycle brake property test-rig working theory and designed for the Brake Test-Rig simulation system.This Simulation Equipment has been applied for the state invention patent,the patent application mark is 200610124881.3.The article has researched some works as bellows:Researshed and designed for the main of the Brake Test-Rig simulation system and some key accessories at main system, realized how to consist of a multi-chip-combination flywheel, fixed on each flywheel's dimension. Choose electromotor and designed for a main spindle and check its rigidity, fixed on accessories install dimension on spindle, calculated bearing's longevity, checked bold and bond, designed for the joining- spindle organ.Researshed and designed for the gas-acting driving system, choose each gas-acting component, designed for the installing components of gas-acting components and fixed on simulate multiple. Designed for the micro-brake tray and micro-brake block which connected with main brake test-rig .Based on theory of measuring rotational speed, designed for the rotational speed sensor, rotate speed measurement circuits of magnifying, regulating, filter and frequency-voltage transformation. Designed for digital hardware circuits based on MCS-51 single chip microcomputer, using chip 8279 connected with LED to show rotate speed and brake time, using single chip microcomputer assembly language to program rotate speed signal disposal and time display program. Also designed for power supplying circuits of electro-magnetism clutchs and 2-place-3-open electro-magnetism valve, circuits of controlling relay act, PCB power supply circuits . According with the theory of measuring temperature, the author designed for the pellicle- thermocouple, temperature measure circuits of magnifying and equalizing.