Energy-saving transformer convenient to disassemble

The invention belongs to the technical field of energy-saving transformers, and particularly relates to an energy-saving transformer convenient to disassemble, a main box body is arranged in the energy-saving transformer, two groups of slide rails in bilateral symmetry are fixedly arranged on the left and right end faces of the main box body, a cover capable of moving back and forth is arranged in the slide rails, and limiting racks in bilateral symmetry are fixedly arranged on the left and right end faces of the main box body; two sets of threaded racks which are in bilateral symmetry are fixedly arranged on the end faces of the left side and the right side of the cover, threaded cavities connected with the outside are formed in the threaded racks, threaded sliding blocks capable of moving front and back are arranged in the threaded cavities, a pushing rack is arranged on the lower side of the limiting rack, and a swing cavity with a downward opening is formed in the pushing rack; therefore, it is ensured th