摘要
介绍一种能在２５型拖拉机动力输出轴上直接测定发动机功率和耗油率的检测仪器，该仪器结构简单，操作方便。对比试验表明，其检测精度能满足拖拉机野外检测的要求。
This paper introduced the structure characteristics and design principle of the brake dynamometer of type 25 tractor,which used the method of measuring power from power output axis of a tractor Comparing test showed that the dynamometer has good precision and can be easi-ly applied in tractor in use.
基金
农业部资助课题
