The heat - treatment technology with medium frequency induction heating for driving wheel of crawler tractor is analyzed , and proved being feasible through technical test , data analyzing and trial installation 摘要本文分析了履带拖拉机驱动轮中频感应加热的热处理工艺，从工艺试验、数据分析和装机试验几个方面验证了该工艺的可行性。
Abstract : the design methodology and structure of hydraulic booster test stand are presented on the basis of analysis of the operation principle and parameters of the hydraulic booster used in the steering system of dfh1002 / 1202 crawler tractor 文摘:在对东方红1002 / 1202履带拖拉机转向用液压助力器的工作原理和技术参数分析的基础上，阐述了该液压助力器试验台的设计方法和基本构成。
The contract stress on supporting roller and crawler board surface of three models of dong fang hong crawler tractor under three working conditions is gained by finte element analysis , as well as the stress distribution law and maximum stress which provide valuable referentce datum for resolving the problems of plastic deformation and friction wear between the supporting roller and crawler board 摘要对3种机型拖拉机的支重轮与履带板之间的接触应力分别在3种工况下进行了有限元分析，得出接触应力分布的规律及其最大值，为解决支重轮和履带板的塑性变形问题及摩擦磨损行为分析提供了有价值的参考数据。
