Patent ID: 11969915
Assignee: CHINA RAILWAY GUANGZHOU ENGINEERING GROUP CO., LTD.
Field: Other special machines (Mechanical engineering)
Classification: CPC B  E | IPC B  E

Claim 8:
9. The double production line of a segmental beam according to claim 8, wherein the middle movable internal mold assembly comprises a concave inner plate, a top internal formwork, a bottom internal formwork and two side internal formworks, the inner plate is snap connected with the supporting frame slidably, a middle driving member is provided in the inner plate and configured to drive the top internal formwork, the bottom internal formwork and the two side internal formworks to gather together or depart from each other; and, when the top internal formwork, the bottom internal formwork and the two side internal formworks depart from each other, the top internal formwork, the bottom internal formwork and the two side internal formworks are spliced with each other to form a middle internal mold.