Expanding excavation support trolley for steep long circular inclined shaft

The utility model discloses a steep long circular inclined shaft expanding excavation support trolley which comprises an installation guide rail, a moving mechanism is installed on the upper side of the installation guide rail, a trolley body is installed at the upper end of the moving mechanism, and a positioning mechanism is arranged at the upper end of the trolley body. The limiting plate is mounted on the right side of the trolley body, and the moving mechanism comprises a mounting plate, a driving rod, a connecting wheel, a moving wheel, a mounting rod and a limiting spring; the mounting plate is mounted on the outer side of the trolley body through bolts; the driving rod is mounted on the inner side of the mounting plate; the connecting wheel is arranged on the lower side of the driving rod and mounted in the mounting plate; the moving wheel is mounted at the inner end of the connecting wheel; the mounting rods are arranged on the upper sides of the moving wheels and fixed to the inner side of the mount