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一台QY16A型徐工产汽车起重机在竖井安装工地执行吊卸任务,当其吊起一块重约6t井架的连接臂时,在主臂旋转的过程中造成该机向右侧倾倒。主臂触地轻微变形;右侧前后支腿支撑垫破碎,支腿缸活塞杆严重弯曲变形,前后支腿伸缩臂变形断裂;左侧前后支腿缸离地;车架发动机支撑吊耳断裂;蓄电池破碎。幸好驾驶员及时跳离驾驶室,吊装现场人员及时撤离,未造成人员伤亡,但起重机修复费用化了1万元。
A QY16A XCMG truck crane was used to perform the hoisting task at the shaft installation site. When it lifted a connecting arm of about 6t derrick, it caused the machine to dump to the right during the rotation of the main boom. The main arm touch the ground slightly deformed; the right front and rear leg support pad broken leg cylinder rod serious bending deformation of the front and rear leg telescopic deformation fracture; left and right before and after the leg cylinder off the ground; frame engine support lug fracture; Broken battery. Fortunately, the driver promptly left the cab, hoisting site personnel promptly evacuated, did not cause casualties, but the crane repair costs 10,000 yuan.