BMG Model double girder semi-gantry cranes are used together with hoist trolley and QD trolley. This double girder semi-gantry cranes only have one side support leg, while the other side is mostly supported by walls of workshop/warehouse.
Double girder semi-gantry cranes have the features of big lifting capacity, big span, good overall stability, various types, but the self-weight is larger than the other single girder gantry crane with the same lifting capacity.
- Overload limiter;
- Polyurethane rubber buffer, long service life and impact resistance;
- Crane travelling limit switch;
- Loss pressure protection, fault phase protection;
- Emergency stop system;
- Lifting height limiter;
Bogie groups--Crane Traveling Mechanism
QD Trolley--Lifting mechanism