由长沙建筑机械研究所、建筑科学研究院机械化研究所、沈阳振动器厂联合设计,由沈阳振动器厂试制的B—HB20汽车臂架混凝土泵车,于1984年9月通过部级鉴定。该机可借助臂架或敷设管路,将混凝土连续输送到施工现场。使用这种机械施工,具有进度快、成本低、确保工程质量、减轻劳动强度等优点。可广泛用于矿山、城建、水电、交通等各项混凝土施工工程 The B-HB20 truck arm concrete pump truck was designed by the Changsha Institute of Construction Machinery, the Institute of Building Research, and Shenyang Vibrator Factory. The B-HB20 truck arm concrete pump truck manufactured by the Shenyang Vibrator Factory was approved by the ministerial level in September 1984. The machine can continuously transport concrete to the construction site by means of a boom or laying pipe. The use of this type of mechanical construction has the advantages of rapid progress, low cost, guaranteed project quality, and reduced labor intensity. Can be widely used in mining, urban construction, hydropower, transportation and other concrete construction projects