容桂水道特大桥下弦检查车 摘 要：介绍了容桂水道特大桥下弦检查车的主要参数、结构构造及工作原 理。该下弦检查车有下部升降平台， 实现在对变截面梁的的全面检查， 安全可靠、 行走平稳。 关键词：下弦检查车；变截面梁；升降平台 Abstract: This paper introduces the main parameters, Ronggui Shuidao bridge inspection vehicle bottom chord structure and working principle. The bottom chord inspection car with a lower lifting platform, implemented in an overall check of the variable cross-section beam, safe and reli