An inverse T-shaped detachable boring frame of a raise-boring machine mainly solves the problems of boring frame disassembly and transportation, and is characterized in that box holes (8) are formed on two sides of a base (4); one end of a guide post (3) is placed into the box holes (8); and main push cylinder flanges are symmetrically formed on two sides of the box holes (8) on the base (4). The boring frame structure can ensure the overall rigidity and the structural strength of the boring machine, and the disassembly is convenient, thereby facilitating equipment transportation.