A multifunctional longitudinal movement driving device for a bridge girder erection machine comprises a driving module arranged on a crown block of the bridge girder erection machine, driving chains on main beams of the bridge girder erection machine and a support rod mechanism between the crown block of the bridge girder erection machine and a main landing leg. Longitudinal movement of the crown block of the bridge girder erection machine and via holes of the main beams can be achieved by one drive mechanism; the problems of insufficient driving power, operation skid, difficult mechanism layout and the like of the bridge girder erection machine during long-span, large-tonnage and heavy-grade bridge construction can be solved; and the device has the characteristics of safety, stability, low cost, compact mechanism layout and the like.
Multifunctional longitudinal movement driving device for bridge girder erection machine
15.04.2015
Patent
Elektronische Ressource
Englisch
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