SPJ900/32 bridge erecting machine is the patented product jointly developed for China Railway 17th Bureau Group Co., Ltd., and Shijiazhuang Tiedao University, and it can achieve U-turn or long-distance range turn field using transporting girder vehicle with two made-to-measure Shoulder pole beams whole piggy back. Combined with the actual site, through structural analysis and mechanics checking calculation, a complete set of SPJ900/32 bridge erecting machine U-turn technique was summed up, compared with the traditional bridge erecting machine U-turn method, it simplifies the cumbersome steps, and has simple and quick, safe and reliable characteristics of less labor and low cost.% SPJ900/32架桥机，是中铁十七局集团有限公司与石家庄铁道大学联合研制的专利产品，可利用运梁车借助两个特制扁担梁整体驮运的方式实现调头或长距离区间转场。结合现场实际通过结构分析及力学验算，总结出了一套完整的SPJ900/32架桥机调头技术，与传统架桥机该调头方法相比，简化了繁琐步骤，具有简单快捷，安全可靠、用工少、成本低的特点。
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