This dissertation has made a detailed analysis to the work device of the tractor-haulage scraper, built an appropriate mathematics model, and optimized the original digits with genetic algorithm, the result of increasing the ground clearance is achieved.

• 摘要对施式铲运机工作装置作了认真分析，建立了恰当的优化数学模型，利用遗传算法对原始数据进行了优化，提高了离地间隙。