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北京市第一建筑工程公司机械队机修车间二班广大工人以敢想敢干的革命精神和实事求是的科学态度,试制成功一台适于建筑工地小型沟槽土方作业的 BJ-250液压单斗挖土机。BJ-250挖土机机体分底盘、虾米节式伸缩臂杆、迴转机构、行走机构及操纵系统。本机钢结构均采取焊接,具有较好的刚度。本机全长5.3米,宽2.4米,折叠高度3.3米,
The first batch of workers in the mechanical repair workshop of Beijing No.1 Construction Engineering Company’s mechanics team took the revolutionary spirit of dare to think and dare to work and the scientific attitude of seeking truth from facts, successfully piloted a BJ-250 hydraulic single bucket dig suitable for small trench earthworks at the construction site. Earth machine. The BJ-250 excavator body is divided into a chassis, a shrimp section telescopic boom, a slewing mechanism, a traveling mechanism and an operating system. The machine steel structure is welded and has good rigidity. The machine has a total length of 5.3 meters, a width of 2.4 meters and a folding height of 3.3 meters.