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20 0 3年 1月 2 0日 ,三一重工第一台ＤＧＱ4 0全液压吊管机成功下线 ,它标志着三一重工成为国内首家采用全液压推土机底盘结构 ,开发出全液压吊管机的企业。三一吊管机的技术先进性主要体现在底盘选型、变幅机构的设计、定滑轮组的结构设计及起升钢丝绳的布置等方面。底盘行走
On January 20, 2003, the first DGQ40 hydraulic pipelayer at SANY successfully got off the assembly line, marking that SANY was the first one to adopt full-hydraulic bulldozer chassis structure in China and developed a full-hydraulic pipelayer Machine business. Sanyi pipe machine’s advanced technology is mainly reflected in the chassis selection, luffing mechanism design, the design of the pulley block structure and lifting wire rope layout and so on. Chassis walking