本文分析了国内保有量、年产量最大的东风—12型手扶拖拉机带传动应用方面的情况,综述了国外日益普及的窄型三角胶带的特点和发展趋势,对其在手扶拖拉机新、老产品上的应用作了技术先进性和经济可行性论证,提出加紧试制相应规格的窄型三角胶带,并在拖拉拉行业内试验推广的建议。 This paper analyzes the situation of the application of Dongfeng-12 type walking tractor belt drive with the largest amount of domestic ownership and annual output. It also summarizes the characteristics and development trend of the narrower triangular tape that is increasingly popular in foreign countries. The application of the product has made technological advancement and economic feasibility demonstration, put forward to step up the trial production of the corresponding specifications of the narrow triangular tape, and in the drag and pull industry test promotion recommendations.