DGY系列履带式吊管机DGY-20型、DGY-40型、DGY-40B/VP72Gs2型、DGY-40G型、DGY-70型、DGY-90型设计采用CAXA技术建立三维几何模型,应用运动学和动力学仿真技术,优化了设计,布局合理,结构紧凑,重心低,适合狭窄地带作业;液控系统微动性能好,确保作业精度;配重机构自动锁紧,有效消除晃动现象;操纵系统操作方便,动作灵敏可靠; DGY-Crawler Pipelayer DGY-20, DGY-40, DGY-40B / VP72Gs2, DGY-40G, DGY-70 and DGY-90 are designed with CAXA technology to establish three-dimensional geometric model. And dynamic simulation technology, the design is optimized, the layout is reasonable, the structure is compact, the center of gravity is low, and the operation is suitable for the narrow zone; the fine control performance of the liquid control system is good and the working precision is ensured; the weight mechanism is automatically locked to effectively eliminate the shaking phenomenon; Easy to operate, action sensitive and reliable;