FIELD: machine building.
SUBSTANCE: invention relates to hoisting-and-transport machine building, in particular, to mobile railway and car cranes. Method of load lifting consists in the fact that at loss of stability there created is retaining moment by means of platform drive activation at its side and / or end part lifting, which are located from boom side and perform the function of tilting rib supports.
EFFECT: considerable weight reduction of lifting machine, dimensions and cost.
1 cl
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Authors
Dates
2019-10-15—Published
2019-02-18—Filed