东风7135型筒式柴油打桩机,在交通部、大桥局党委的关怀下,由大桥局桥机厂、设计处、桥梁研究所及第三、四铁路设计院等单位组成的设计小组设计,并经有关兄弟单位大力协助,已由我厂试制成功。经过在厂区打桩试验和在某桥工地打桩试验表明,本机在结构、性能以及安全等方面都 Dongfeng 7135 tubular diesel pile driver, under the care of the Ministry of Communications and the Party Committee of the Bridge Administration, is designed by the design team composed of the Bridge Bureau of Bridge Bureau, Design Office, Bridge Research Institute and the Third and Fourth Railway Design Institute and other units Brothers unit by the vigorous assistance, trial production by our plant has been successful. After piling test in the factory and piling test in a bridge site show that the machine in terms of structure, performance and safety are