在伟大的领袖和导师毛主席“开发矿业”的指示下,喷锚支护得到日益广泛的应用,为适应这项新技术飞速发展的需要,常德机械厂和常德建筑机械研究所根据湖南省机械局下达的任务,于1975年到1976年完成了HPZ-30B型“U”形孔道转子式混凝土喷射机(见图1)的研制、工业试验和鉴定。 HPZ-30B型喷射机通过风压将物料喷射 Under the instruction of “Leading Mining” by the great leader and mentors Chairman Mao, spray anchor support has been increasingly used. In order to meet the needs of the rapid development of this new technology, Changde Machinery Factory and Changde Construction Machinery Research Institute are based on Hunan Machinery. From 1975 to 1976, the task assigned by the Bureau completed the development, industrial testing, and identification of the HPZ-30B U-shaped orifice rotor concrete sprayer (see Figure 1). Model HPZ-30B sprays material through wind pressure