The structure of model ZPG-2 and V bogie concrete injection machine and their properties are studied in the paper. On the basis of this,the improvement design was made and model TP5.5 concrete ejector was produced.

• 对ZPG - 2型和转V型喷射机的结构、性能等关键性问题进行了分析研究 ,在此基础上进行改进设计 ,并生产出TP5 5型混凝土喷射机。