Bridge Girder Launching Erection Gantry Crane
2020-12-11u2002·u2002Bridge girder launcher erection crane mainly consisted of main beam, cantilever, under guide beam, front and rear legs, auxiliary outrigger, hanging beam crane, cantilever crane and elecrto-hydraulic system. Applies to three different span single-span simply supported beam erection, with high operating efficiency.
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