Truck-mounted lifting device for trunk line optical cable tray

The utility model discloses a truck-mounted lifting device for a trunk line optical cable tray. The truck-mounted lifting device for the trunk line optical cable tray solves the problem that when the trunk line optical cable tray is loaded and unloaded at a limited place, labor intensity is high. The truck-mounted lifting device comprises a truck compartment (1) and the optical cable tray (11), a sleeve (2) is fixedly arranged at the rear end of the truck compartment (1), the lower end of a column (3) is movably inserted in the sleeve (2), the upper end of the column (3) is movably sleeved with a shaft sleeve (4) which is fixedly connected with a cantilever (5), a fixed pulley (6) is arranged at the end of the cantilever (5), a cross arm (10) is arranged in a center hole of the optical cable tray (11), the two ends of the cross arm (11) are connected with a lifting rope (9) which is provided with a lifting hook (8), and a lifting chain (7) is arranged between the lifting hook (8) and the fixed pulley (6). The truck-mounted lifting device can be moved to a construction site along with an optical cable transportation truck and is easy and convenient to assemble and disassemble and particularly suitable for the construction site.