四川长江起重机厂,日前与解放军驻泸州地区军代室联合研制的QYJ40B型汽车吊正式通过鉴定,达到当代国际先进水平。这台自重37t的国内目前起重量最大的双钩伸缩臂汽车吊,采用先进电脑力矩限制器控制,配有全套安全装置,作业时荧光屏上随时显示吊车工作状态数值。当吊载超负荷或违反安全操作时,电脑限制器立即发出红色信号和警鸣声,同时自动截断、排除危险方向的运动, Sichuan Changjiang Crane Factory, recently with the People’s Liberation Army stationed in Luzhou military jointly developed by QYJ40B-type crane officially passed the appraisal, reached the contemporary international advanced level. This 37t weight domestic currently the largest weight of the double hook telescopic crane, the use of advanced computer torque limiter control, with a full set of safety devices, work at any time on the screen display crane working state values. When carrying overload or breach of security operations, the computer limiter immediately issued a red signal and alarm sounds, while automatically cut off to exclude the dangerous direction of movement,