Rapid and accurate leveling device for large-tonnage swivel spherical hinge base

• Main Authors: ZHANG SHIXI, LIU FENG, YANG JINBAO, ZHU GUOQIANG, ZHANG SHENGZHONG, HUANG RUITANG, ZONG WEIKAI, ZHAO YANG
• Format: Patent
• Language: Chinese; English
• Published: 21.12.2021
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The utility model discloses a quick and accurate leveling device for a large-tonnage swivel spherical hinge base, which is mounted on a lower bearing platform and comprises a plurality of embedded steel plates which are embedded in the lower bearing platform, the top surface elevation of the embedded steel plates is consistent with the concrete top surface elevation of the lower bearing platform, and the embedded steel plates are connected with a steel framework through a coarse adjustment device. The steel framework is connected with the spherical hinge base through a fine adjustment bolt; the coarse adjustment device comprises an adjustable bottom support, a steel plate and I-shaped steel which are sequentially arranged from bottom to top. The utility model has the advantages that the operation is simple, safe and practical, and the construction efficiency is high; the spherical hinge base can be quickly leveled in the mounting process, and the frequency and time of repeatedly adjusting the elevation in the