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

Claim 7:
8. A double production line of a segmental beam, comprising two production machines and a track system provided on a construction ground; the production machine comprises a fixed end mold, two side molds, a bottom mold trolley, a middle internal mold trolley and two side internal mold trolley; the two side molds are positioned on two sides of the fixed end mold respectively, the fixed end mold and the two side molds together define a pouring position with an end opening, and the end openings of two pouring positions are arranged facing each other; the track system comprises a transverse track and a longitudinal track communicated with each other, both of the two pouring positions are positioned in an extension path of the transverse track, and the longitudinal track is positioned between two pouring positions; the bottom mold trolley is slidable in the track system; a middle groove and two side grooves run though the fixed end mold horizontally, the middle internal mold trolley penetrates through the middle groove and is inserted into the pouring position, the side internal mold trolley penetrates through the side groove and is inserted into the pouring position, and the end opening of the pouring position is closed via an end formwork; and, in either of the production machines, the fixed end mold, the two side molds, the bottom mold trolley, the middle internal mold trolley and the two side internal mold trolleys together define a pouring cavity in the pouring position;
wherein the middle internal mold trolley comprises a middle trolley, a supporting frame provided on a top end of the middle trolley, a middle movable internal mold assembly and a middle fixed internal mold assembly; a gap is provided at the pouring position between the middle movable internal mold assembly and the middle fixed internal mold assembly, and configured to form a reinforcing rib in a middle chamber of the segmental beam when pouring the segmental beam.