论文部分内容阅读
全苏矿山机械科学研究所研制了一种井筒技术维修用的吊盘(见图)。这种吊盘的装置包括带底板和侧板的工作平台和提升钢绳。 图a所示的是装置的外形图,图δ所示的是与支承管铰接的平行四边形的固定件。
All Su Institute of Mining Machinery Science and Technology developed a wellbore technology maintenance hanging plate (see photo). This type of pallet installation consists of a working platform with floor and side panels and hoisting ropes. Figure a shows the outline of the device, and Figure δ shows a parallelogram mounting fixture hinged to the support tube.