起重滑车是一种产量大,用途广的轻小型起重工具,本文介绍该产品在我国的发展概况,HQ、HY系列起重滑车的更新设计依据,与H系列滑车的不同点,以及更新系列滑车的主参数、结构特点和产品水平。HQ、HY系列起重滑车积极采用了国际标准和国家标准,防止了以往设计生产中的基本参数混乱现象,为提高我国滑车产品质量,赶超国际先进水平,增强国际市场竞争能力创造了条件。 Lifting tackle is a kind of light and small lifting tool with large output and wide use. This article introduces the development overview of this product in our country, the renewal design basis of HQ and HY series lifting tackle, the difference with H series tackle, The main parameters of the series trolley, structural characteristics and product level. HQ, HY series lifting block actively adopted the international standards and national standards, to prevent the previous design and production of the basic parameters of confusion in order to improve China’s pulley product quality, catch up with the international advanced level and enhance the competitiveness of the international market to create the conditions.