QLY25B轮Crane

QLY25B harbor crane is the product that is technology comes from IHI construction machinery ltd.of japan,and manufactured under the license of IHI.it is a 25t heavy duty mobile crane with fully hydraulic power drive,lattice boom and continuous 360°full circle swing,specially designed for harbor working conditions. The crane equipped with a one-man cab mounted on the superstructure,and designed for high performance of crane operation,convenient controls,studyand durable ,the lattice boom is modified according to heavy duty operation and has a high stability and travel performance.all of the main components are imported,including engine,pumps,motors.valves,clutch,brakes and components of air circuit and electrical system. QLY25B Max Rated Lifting Capacity 25000kgBoom9-24mMax Lifting HeightmMax Line Speed105m/min(unload)Slewing SpeedMax.unloaded 3.8r/minWorking speed With outtriggers≤2.0r/minWithout outtriggers≤1.8r/minOutline DimensionL×H×W6.6×3.2×3.64mGVW30900kgEngine Model6BTA5.9-CMax Engine Power197PS/2100rpmMax Engine Radius)814Nm/1500rpmMin Turning Radius9mMax GradeabilityHigh speed3° Low speed14°Max Travelling Speed18km/hOutrigger extension distance6.0m×6.0mHoist winch Driven by fixed displacement axial piston motor through planetary gear box with power fall and free fall control Wire diameter20mmDerricking system11s (9m boom , unloaded, from 40°to 60°) 12s(radius 9m to 3.6m) Wire diameter 16mmBoom supportwire 28mmHydraulic systemPiloy control valve for combined hoisting ,derricking and swing movement Large hydraulic tank with oil cooling system OutriggersH-type controlled in the crane cabspeedFull extension 58s Full retraction 40sLongitudinal span 6m Extended width 6mOptional equipmentAircondition, auxiliary winch,emergency steering, boom section for 27m and 30boomEngineModel 6BTA5.9-C Rated output 197Psat 2100 rpm Max.torque 814Nm at 1500rpm Manufacturer Cummins UK Hydraulic pumpTow variable displacement pumps in tandem and three gear pumpsMax.ground pressureWith outtriggers 240kN*(at outrigger pad) Withoutoutriggers 163kN(at dual-tyre) Braking distance≤5.4m(18km/h)Min.turning radius9m(at central line of front outside steering wheel)Axle base3.6mWheel span2.4mSafety devicesHydraulic system:Pressure relieve valves,counter balance valves, check valves, reducing valves, sequence valves Braking system:Air presure regulator Electric system:Fuses Derricking: Boom overwinding cutout,boom back stops,safety latch Hoist winch:Hoist overwinding cutout, safety latch Automatic moment limiterMain unit in crane cab gives audible and visual warning of approach to overload. Automatically cuts out crane motions before overload. With working range(load radius and/or boom angle and /or tip height) limit function. Digital liquid crystal dispayed: Load moment in % Actual hook load Permissible laod Boom angle Actual working radius Boom length