小麦是我国种植面积大、产量高的主要农作物之一。机收作业在近年来得到了迅猛的发展,收割机行业已从快速增长逐渐进入稳定成熟期。小麦机收的迅猛发展,主要是部分农机专业户先购买机械后,在当地及跨区作业中取得了显著的经济效益,吸引了大批农民购买,同时刺激了收割机生产厂家的发展,以至于近年来涌现出大量的收割机厂家,形成了激烈的市场竞争态势。其中,自走式-2型 Wheat is one of the major crops with large area and high yield in China. The machine harvesting operation has been rapidly developed in recent years, and the harvester industry has gradually entered a stable and mature period from rapid growth. The rapid development of wheat harvesting is mainly due to the fact that some farm machinery specialists have obtained significant economic benefits in local and cross-regional operations after purchasing machinery first, which has attracted a large number of farmers to purchase and stimulated the development of harvester manufacturers, resulting in recent years The emergence of a large number of harvester manufacturers, formed a fierce market competition. Among them, self-propelled type-2