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阐述了国内伸缩机尾的发展概况及使用伸缩机尾的必要性,根据国内井下工作的工况和产品的使用情况,对伸缩机尾架进行改进设计,提高机尾架的使用寿命,增加可靠性。
The development of telescopic tail in China and the necessity of using telescopic tail are described. According to the working conditions and the use of products in domestic, the design of telescopic tailstock is improved to increase the service life of tailstock and increase the reliability Sex.