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Fault Diagnosis and Elimination of Pipe Jacking Machine
A Φ1 800 mm muddy water pressurized pipe jacking machine (expandable to 2000mm), the total length of the rotary excavator system is 4705 mm, the cutterhead torque is 354 kN m, the cutterhead speed is 2.3r/min, and the driving power is 30× 3 kW. The stroke of the correcting hydraulic cylinder is 85 mm, and the thrust of the correcting hydraulic cylinder is 980 kN×the total mass of the main engine (t). When the pipe jacking machine jacked 200 m of pipes, the deviation correction system failed, and the deviation correction action could not be produced, so that the construction could not be carried out.
More than ten years of experience in the design and manufacturing of pipe jacking machines