Energy-saving parking lot lighting device convenient to disassemble and assemble and assembling method thereof

The invention discloses an energy-saving parking lot lighting device convenient to disassemble and assemble and an assembling method thereof, relates to the technical field of energy-saving parking lot lighting devices, and aims to solve the problems that an existing energy-saving parking lot lighting device is extremely inconvenient to disassemble and assemble, a worker needs to use a climbing tool to take off a lighting lamp and replace the lighting lamp during later maintenance, and the working efficiency is high. The safety is low, and safety accidents are easily caused. A connecting shaft is installed at the upper end of the illuminating lamp support, a connecting support is installed at the upper end of the outer portion of the connecting shaft, clamping claws are installed on the two sides of the lower end of the connecting support, the clamping claws are rotationally connected with the connecting support, an adsorption magnet is installed in the connecting shaft, and the adsorption magnet is fixedly c