OVM walking type deck erection crane mainly consists of primary steel truss structure, specialized lifting appliance, vertical moving mechanism, lifting mechanism, anchor support mechanism, positioning system, electric and hydraulic system, etc.
Main steel structure mainly consists of stressed rod pieces such as suspension arm, front rod, column, rear rod, foundation as well as other auxiliary lateral bracing rod pieces. Running mechanism is composed of walking cylinder, slide seat, slideway and hydraulic system. Its lifting appliance can be used for connecting lifting points of sections and adjusting longitudinal slope of sections. LSD hydraulic lifting system is adopted as lifting system. Several safety devices including overflow valve and safety valve in hydraulic pump station, limit switch and emergency stop, are set with the system.
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