What are brief introduction on front and rear support legs of HZP1600 bridge erection equipment?

roller gearbox

Front and rear support legs are among key parts of HZP1600 bridge erection equipment. Main function: support and jack the bridge erection equipment, drive it to move forward to cross piers and move laterally, and automatic moving forward and backward.

Front and rear support legs from top to bottom part are made up of sliding cross girder, roller gearbox, support cross girder, transverse moving mechanism, cushion block for adjustment, longitudinal moving mechanism, jacking device and vertical column.

Sliding cross girder is connected with main frame whose bottom rail track is directly set on the roller gearbox on the sliding cross girder, for the convenience casino spiele of longitudinal sliding of main frame.

Roller gearboxes are installed at two sides of sliding cross girder, centre distance between roller wheels treads is 1900mm. a pair of roller wheels include 4 pieces of steel wheels among which two are installed in one small gear box separately, then small gearbox is installed in a big gearbox supported on the support base, so the roller gearbox as a bridge type support can ensure equal stress on each wheels. At outside of roller gearbox are equipped with two groups of pins and hanging wheel guide sleeve for support leg moving, for the support leg moving to expected position.