论文部分内容阅读
简述了一种新型截割部伸缩装置,介绍了其主要结构形式,该伸缩装置针对传统的截割部伸缩装置的不足和缺陷进行了技术改进,主要包括圆锥滚子轴承的选用、内喷雾水路的简化以及联接螺栓不再承受伸缩油缸产生的掘进力等方面的技术改进。
A new type of extension and contraction device for cutting part is introduced. The main structure of the device is introduced. The improvement of the device for the shortage and defect of the traditional extension device of the cutting part includes the selection of tapered roller bearings, The simplification of the waterway and the improvement of the connection bolt no longer withstand the excavation force produced by the telescopic cylinder.