JQ 900 Series Bridge Girder Erection Machine
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The equipment is one of large complete set of special equipment, researched and manufactured for the construction of passenger dedicated lines (PDL) and hige speed railways.
- This equipment mainly mainly applied to the erecting construction of 900 tons of precast concrete box girder with single span.
- It is gantry structure with double girders and three legs and crosses a simply supported beam when in construction, and a girder carrier can leave soon after feeding girder from the tail part.
- Close hydraulic transmission and hydraulic suspension support are adopted for a walking system to even the load for each tire set.
- A middle leg and a back leg drive the walking system ,so the longitudinal movement of the whole machine and transference between different bridges are all very convenient and flexible.
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