FIELD: transport.
SUBSTANCE: load-lifting device to support vehicle mixer (28) intended for hydraulic fracturing comprises a support frame with the lifting platform vertical carriages designed to allow the mixer to move, in fact, along the linear vertical trajectory between the lifted, transport and lowered working positions. The load-lifting device incorporates a drive system to move the mixer and platform between the working and transport positions. The said drive system is arranged to move along the support frame to minimise bending loads.
EFFECT: higher reliability.
5 cl, 14 dwg
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