自制框架式摇臂扒杆吊装设备及应用王守法，彭风清（山东省水利工程局）１９９３年我局承担了由德州地区公路局建设、设计的前乔大桥工程施工任务。前乔大桥为孔跨２０ｍ的预应力空心板桥，位于庆云县前乔村，跨越马颊河，河槽水深４～６ｍ，桥址处河槽１４０ｍ，是国道２... Self-made frame type rocker boom strut hoisting equipment and application Wang Shoufa, Peng Fengqing (Shandong Provincial Bureau of Water Conservancy Engineering) In 1993, our bureau undertook the construction task of the former Joe Bridge constructed and designed by the Texas Highway Bureau. The former Qiaoqiao Bridge is a prestressed hollow slab bridge with a hole span of 20m and is located in Qiaocun Village, Qingyun County, across the Majiahe River. The depth of the river channel is 4 ~ 6m, and the river channel at the bridge site is 140m.