| 摘要 |
FIELD: transport. ^ SUBSTANCE: proposed crane comprises mobile platform with lifting bifurcated columns, frame mounted on trusses, mobile cargo buggies mounted on said frame, and crossbar. The latter is used to lay rail-and-sleeper sets. Working members are driven by hydraulic means. Working fluid is transferred via telescopic pipelines in lifting bifurcated columns to mobile frame in operating and transportation positions. ^ EFFECT: hydraulic drive, higher safety. ^ 2 cl, 4 dwg |
