RTG, rubber tire gantry, one type of crane, is widely used for handling containers in ports. RTG moves normally with rubber tires.
Gantry traveling mechanism of RTG has two models, 8 wheels and 16 wheels in common. It consists of driving device, steering device, carriage, slewing bearing, equalizer beam and tubeless tires. The gantry usually working along the yard in straight line, and also the gantry can turn 90° to transfer the stacking yard. As an option, RTG can rotate around the vertical center line as the arbitrary angle 0-360 °(pivot function), to change orientation of operator cab.
8 wheels traveling mechanism include 8 tubeless tires. Each of the two tires together with the frame, slewing bearings, hydraulic or electric steering device, equalizer beam form four sets of bogies (driving and driven), below the four legs.
The equalizer beam connects the sill beam by equalizer pin. Two sets of bogies on the diagonal side of gantry frame are the drive bogie. Outside of the tire is drive wheel, equipped with independent driving mechanism. It consists of motor, reducer, sprockets and double strand bush roller chain.
SUR-SAF has been providing equalizer pins, rims and tires for several local and international RTG maker and our delivery is also updating according to the RTG products upgrading.
