Semi-automatic horizontal folding arm lifting device

The utility model provides a semi-automatic horizontal folding arm lifting device, relating to the technical field of lifting devices, particularly relating to the lifting device for loading and unloading cargos of compartments and solving the technical deficiencies that the cargos of the compartments are inconvenient to load and unload, and the cost is high. The semi-automatic horizontal folding arm lifting device comprises a horizontal sliding bracket, wherein a group of sliding rails for the horizontal sliding bracket to horizontally slide back and forth is arranged on each of the left and right sides of the horizontal sliding bracket; a horizontal folding arm is hinged to the horizontal sliding bracket, and a fork frame is hung at the front end of the horizontal folding arm through a chain block; the horizontal folding arm comprises a left horizontal folding arm and a right horizontal folding arm, the left horizontal folding arm is hinged with the left side of the horizontal sliding bracket, and the right