① 　螺旋输送机作为砼搅拌站、搅拌楼等设备输送粉料的配套产品 ,其性能好坏直接影响整个搅拌设备功能的发挥。我公司针对原产ＬＳＪ2 0、ＬＳＪ4 0系列螺旋输送机生产率不稳定、局部结构欠佳等缺点进行了相应改进 ,改进后的产品结构如图 1所示。图 1　螺旋输送机结构示意图1- ① screw conveyor as a concrete mixing plant, mixing plant and other equipment conveying powder supporting products, the performance of a direct impact on the performance of the entire mixing equipment. My company for the original LSJ2 0, LSJ4 0 series screw conveyor productivity instability, the partial structure of the shortcomings of the corresponding improvements, the improved product structure shown in Figure 1. Figure 1 screw conveyor structure diagram 1-