Marine lamp holder convenient to mount

The utility model discloses a portable installation type marine lamp holder which comprises four self-locking universal wheels, the upper ends of the four self-locking universal wheels are fixedly connected with a supporting mechanism, the opposite side of the supporting mechanism is rotationally connected with a positioning mechanism, the opposite sides of the supporting mechanism are jointly and fixedly connected with a telescopic mechanism, and the telescopic mechanism is fixedly connected with a lamp holder. The lamp fixing device has the advantages that the two L-shaped rods can be conveniently rotated out of the two containing grooves through the two rotating shafts, so that the four universal wheels are limited through the positioning plate, a lamp can be conveniently fixed, and the lamp fixing device is convenient to use and high in practicability. Sliding grooves and sliding blocks are arranged to drive sliding plates to retract into mounting grooves, so that the two side plates can be recycled, thre