Supporting frame body of large cantilever structure

The utility model discloses a large cantilever structure support frame body, which relates to the technical field of large cantilever support, and comprises a first support steel body, a hydraulic cylinder base is arranged at one end of the first support steel body, a hydraulic cylinder barrel is fixed on the hydraulic cylinder base, a hydraulic support rod is inserted in the hydraulic cylinder barrel, and the hydraulic support rod is fixed on the first support steel body. A second supporting steel body is arranged at the top of the hydraulic supporting rod, a base plate is arranged at the top end of the second supporting steel body, a concrete beam is arranged above the base plate, a top floor slab is arranged at the top end of the concrete beam, a chain block lifting hook is embedded in the bottom end of the concrete beam, and a steel groove is formed in the other end of the first supporting steel body. Through the arrangement of the first supporting steel body, the second supporting steel body and the thir