论文部分内容阅读
(一)吊装设备为适应拱圈从桥中线向上下游两侧同时进行安装的特点,采用索道吊装方法。沿桥跨平行并列两组索道,每组索道随着砌筑进度分别作横向移动,以适应安装位置。索道架设在桥台后的二个塔式木支架上(如图1)。起重小车用铁夹板和滑输制成。小车内设行走滑输二个,起重导向滑输一个,下方装一自动挂钩,在进行水平运输时,用自动挂钩挂住起重滑输,以确保施工安全(如图2)。
(A) lifting equipment In order to meet the arch ring from the bridge up and down the middle of the line at the same time to install the characteristics of the use of cable hoisting method. Parallel to the bridge along the bridge two parallel cableway, each cableway with the progress of masonry for lateral movement, in order to adapt to the installation location. Tramway erected in the two towers after the tower wooden stand (Figure 1). Lifting car with iron splint and slip made. The carriage is equipped with two sliding sleds, one for crane-guided sliding and one for automatic hooking. When horizontal carriage is carried out, the ropes are lifted and lowered by automatic hooks to ensure the construction safety (see Figure 2).