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河北省公路工程局在沙陈公路永定河大桥的施工中,自行设计、制造了一台 JQJ-80型组合式架桥机,解决了吊装大梁的问题。该架桥机通过整个工程的使用,证明性能良好,基本上达到了设计要求。JQJ-80型架桥机(见图1)由纵梁、横梁和支腿组成。前、中、后三对支腿支撑机
Hebei Highway Engineering Bureau in the Chen-Chen highway Yongding River Bridge construction, to design and manufacture a JQJ-80-type modular erecting machine to solve the problem of lifting the girder. The bridge machine through the use of the entire project to prove good performance, basically reached the design requirements. JQJ-80 erecting machine (see Figure 1) consists of stringers, beams and legs. Front, middle and back three pairs of leg support machine