Circular pipe culvert reinforcement cage machining device

The utility model relates to the technical field of civil engineering equipment, in particular to a circular pipe culvert reinforcement cage machining device which comprises a machine frame and two positioning devices symmetrically arranged at the two ends of the machine frame, and each positioning device comprises a positioning circular ring and a supporting ring. The outer circle of the supporting ring is connected to the inner circle face of the positioning circular ring in a contact mode, the inner circle face of the supporting ring is connected with an inner diameter adjusting mechanism,the inner diameter adjusting mechanism is connected with the rack in a rotating mode, and a plurality of positioning holes are formed in the positioning circular ring. The problems that a reinforcement cage is low in manual machining speed and poor in construction quality can be solved. 本实用新型涉及土建工程设备技术领域，具体涉及一种圆管涵钢筋笼加工装置，包括机架和定位装置，所述定位装置有两个，对称设置在所述机架的两端，所述定位装置包括定位圆环和支撑环，所述支撑环外圆接触连接在所述定位圆环的内圆面上，所述支撑环的内圆面连接有内径调节机构，所述内径调节机构与