自上料搅拌车(混凝土搅拌车)分为1.2方自上料搅拌车,1.8方搅拌车,2.6方自上料搅拌车,3.5方自上料搅拌车,4方自上料搅拌车,5方,6.5方等等,双周兴滚筒拥有双螺旋型搅拌螺杆和中凸底部,重型球星鞍座上安装的反力架270°液压旋转,并且通过液压式制动器自动锁上。滚筒旋转通过齿轮泵和开路中的摆线液压马达实现,在操作室和搅拌机后补拥有手动电气阀。滚筒通过2个双作用千斤顶升至水平位置。卸载溜槽通过一个手动可调式手柄控制倾斜,可旋转90°。可拆卸溜槽可以保证直接通过料斗卸载。作为标准配置提供2个溜槽延长部件。
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