Self-moving tunnel support canopy

A self-moving tunnel support canopy, comprising a front arch frame, a rear arch frame, a forward jack, and a support jack;

• wherein:
• the front arch frame comprises more than three front longitudinal beams and more than three front arch beams, all the front longitudinal beams being longitudinally disposed along arch upper surfaces of the front arch beams, each of the front longitudinal beams being coupled to all the front arch beams, the support jack being disposed at a lower part of the front arch frame;
• the rear arch frame comprises more than three rear longitudinal beams and more than three rear arch beams, all the rear longitudinal beams being longitudinally disposed along arch upper surfaces of the rear arch beams, each of the rear longitudinal beams being coupled to all the rear arch beams, the support jack being disposed at a lower part of the rear arch frame, the front longitudinal beams and the rear longitudinal beams being disposed alternately, and a spacing being configured between the front arch beam and a front-adjacent rear arch beam;
• and one end of the forward jack is coupled to the front arch frame, and the other end of the forward jack is coupled to the rear arch frame, the front arch beam and the rear arch beam being both arch-shaped beams.