The drill of ZLD series is a special construction equipment working on SMW(Soil Mixing Wall) . Its exploited by our corpration associated with Beijing Institute of Construction Mechanization which absorbs the most advanced technique overseas.It can be widely applied in the constructing of leakage-prevented wall of the high buildings basements and subway station and dykes on the rivers.The three-axis continuous wall drilling machine produced by our company has the following features,Website:http://www.zzpiling.com, compared with other equivalent products:the power head equipped with patented constant power double-speed motor which is specially used for drilling machine, can provide high and low rotating speeds, according to different strata; meanwhile, the motor has high starting torque, big output torque, strong overload capacity and high insulation level; the maximum motor torque multiple and stalling torque can both reach up to 3 times or more as much as the rating, and the motor has excellent drilling power performance.Technical ParameterSpecifications forunitZLD110ZLD150ZLD180ZLD220ZLD225ZLD270ZLD180(650-3)(650-3)(850-3)(850-3)(850-3)(1000-3)(650-5)Moter powerKW55×275×290×2110×275×390×390×2Rated revolutiomrpm202016.617.5201616.5speed(outer)Rated revolutiomrpm18.918.914.915.716.71616.5speed(middle)Output torqueKN.m53.673.08107.7127114.9162100Diameter of boreholemm650×3650×3850×3850×3850×31000×3650×5Center distance of dirll stemmm450×450450×450600×600600×600600×600750×750450×450×450×450Maximum boring depthm30303030/33303024Center distance of guide axismm600600600600600600600Distance from guide axis to drill stem centermm935935975975975975655Distance from guide axis to sling centermm920/780920/780920/780920/780920/780920/780920/780Max.extraction forceKN600600700700700700700Weightkg720085001150011800110001380012000Packaging & ShippingDelivery it without package and some parts should be packaged in wooden case.ZLD250 power head works with the JZB240 pile driver frameZLD180 power head works with the JZB240 pile driver frameZLD220 power head works with the JZB240 pile driver frame