Support frame for shield tunnel

The utility model provides a supporting frame for a shield tunnel, and relates to the technical field of engineering construction supporting. The supporting frame comprises a first supporting rod, a connecting plate is arranged on the first supporting rod, a first buffering device is arranged on the connecting plate, a protection part is arranged on the first buffering device, a base is further arranged on the first supporting rod, a second supporting rod connected with the connecting plate is obliquely arranged on the base, and a first connecting rod is arranged on the second supporting rod. The first connecting rod is hinged to the connecting plate, and a second buffering device is arranged between the second supporting rod and the first connecting rod. According to the utility model, the comprehensive safety protection of constructors in the shield tunnel can be achieved, and the serious harm of the support frame to the constructors due to the breakage of the tower can be reduced. 本实用新型提出了一种盾构隧道用支撑架，涉及工程施工