现代农业是以农机化为物质基础的农业。农业机械是现代农民的主要生产和劳作的工具。其中中耕机械是指在作物生长过程中进行农事作业的农用机械。一般的中耕机的构造都大致相同。一、中耕机的骨架它有双梁和单梁两种形式。双梁机架在中耕作业时带施肥的装置。由前梁、后梁、纵梁和上、下悬挂板焊合而成。单梁式机架是 Modern agriculture is agriculture based on agriculture. Agricultural machinery is the main production and laboring tool for modern peasants. Among them, cultivating machinery refers to agricultural machinery for performing agricultural work in the process of crop growth. The general structure of cultivator are roughly the same. First, the frame of cultivator It has double beam and single beam two forms. Double girder racks with fertilizers when working in tillage. By the front beam, beam, stringers and the upper and lower suspension plate welded together. Single beam rack is