EQUIPMENT DESCRIPTION (Contd)
PALLET EQUIPMENT FEATURES (Contd)
SUPPORT TUBES The two square tubes welded perpendicular to launch
beam that support and permit bridge quarters to slide outward to roadway
width and inward to transport width.
LAUNCH BEAM The center support structure of a bridge half.
BEAM A hat-shaped steel support that contains roller contact surfaces and
drive pins that interface with pallet launcher. A key-way is provided at the
coupling end and a lifting eye at the ramp end.
DRIVE PINS There is a channel bolted to bottom of each launch beam
containing 84 round pins and 9 grooves that function to engage with pallet
pin wheel drive gears to move bridge on pallet during launch and retrieval.
RAIL TRACK There is a hardened steel rail track bolted to ramp end of
launch beam that functions to engage bridge with pallet pin wheel drive gears
to move bridge onto pallet at retrieval.
LAUNCH BEAM, BOTTOM VIEW
END OF WORK PACKAGE