Construction trolley car of bow member among tunnel and underground works

The utility model discloses a construction trolley car of bow member among tunnel and underground works, including bottom bearing structure, middle level bearing structure and upper jacking structure, upper strata jacking structure includes base, an elevation structure and third supporting bench, and the pedestal mounting is in horizontal guiding is structural, and elevation structure installs on the base, the third supporting bench fix on elevation structure, a third supporting bench's upper surface is provided with block fixed knot to be constructed, and block fixed knot constructs including the draw -in groove, and the cell body width of draw -in groove corresponds the setting with the width of treating the jacking bow member, makes the draw -in groove and treats jacking bow member interference fit, first supporting bench, a second supporting bench and a third supporting bench's width reduces in proper order for to treat jacking bow member fixed back that finishes on the construction trolley car, two relat