Crawler-type pushing system

• Main Authors: WAN YUFAN, CUI FENG, ZHENG SHUAI, ZHAO QIUHONG, ZHANG GUANGQIAO, RONG JIE, WANG PEIGUANG, YANG RONGQUAN, LIN ZHANSHENG, RAN HAIYING
• Format: Patent
• Language: Chinese; English
• Published: 19.10.2021
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

According to a crawler-type pushing system provided by the invention, a steel box girder does not need to be lifted for working condition conversion in the pushing process without additionally adding a pushing sliding plate and reinforcing the standard section of the steel box girder, and the stable pushing of the steel box girder is realized. The crawler-type pushing system comprises a sliding way base, a sliding plate mechanism and a pushing mechanism, the sliding plate mechanism comprises a plurality of tooth block sets which are connected into a chain type structure through pin shafts, and a plurality of groove bodies are formed in the surface at intervals; the pushing mechanism comprises a sliding block, a ratchet block and a pushing oil cylinder, the pushing oil cylinder is arranged on the sliding way base, the sliding block is arranged at the cylinder rod end of the pushing oil cylinder, the ratchet block is arranged on the sliding block, and the pushing oil cylinder pushes the sliding block to move so