Luffing Tower Crane with Factory Price 4 Ton 12 M

Luffing Tower Crane With Factory Price 4 Ton 12 mBrief introduction     QTZ40(TC4808) tower crane is a new kind of horizontal, trolley, top swiveling and  self-erecting tower crane,Its free standing height is 30m.The max.Height is 120m,attached height can be adjusted by the height of the building.It is widely used in building, factory, houses and other high-rise building.Its max.Work jib length is 48m, max.Load moment is400KNm, max.Load is 4t.Wide work rang,high efficient,stable processing.1.QTZ 40 tower crane is the horizontal arm frame,trolley,rotary hydraulic lifting crane.2.Max.Radius is 46.8m,max load moment is 438kN·m, free standing height is 30m,and attached height is 120m(double rate).3.This crane adopt Advanced specification, reliable performance,good looks, reasonable price and advanced safety features, also is the ideal construction machinery of Small and medium-sized construction enterprise.Feature of tower crane1.Suitable for all kinds of construction project and can work under all kinds of work condition. 2.It has high working speed, good speed-adjusting performance, steady operation and high  efficiency. 3.The crane has complete set of safety devices, which can guarantee the safe and high efficient  operation of the equipment. 4.Three-speed motor and mono-speed ratio decelerator are applied in the lifting structure, which  enables heavy load low speed and light load high speed. 5.Planet gear decelerator is applied in the circumcise rating structure, together with moment-limiting  hydraulic couple, which can realize high load capacity, steady starting and reliable operation. Advantage of Tower Crane1.Robot automatic welding system;2.Automatic impeller blasting and spraying assembly line;3.CNC plasma cutting machine;4.Precision machine tools;5. France Schneider contactor;6.Jiangte motor;7.Equipped with complete set of safety devicesBasic Parameters  ItemUnitMultiplying powerΑ=2Α=4Rated lifting torqueKN.M400Max lifting weightT24Working rangeM3 - 46.8(40.8)Lifting weight at max rangeT0.79Range of max lifting weightT20.9710.96Lifting heightStationaryM30.1Attached12060Whole machineShapeSizechassisM6.0×6.0Whole machine's heightStationary38.98Attached128.92End of lifting arm to slewing center48(42)Tail of balance arm to slewing center12.816Whole machine dead weightStationaryT19.195AttachedT40.461Balance weightT7(6.5)ElseMotor total powerKw21.7Max installation height working wind scaleForce≤4Safety featuresFull set of safety protection equipment:weight limit,moment limit,height limit, and slewing limit,emergency brake, labor protective devices like rest platform and guardrail.1.weight limit: If the material is over the capacity, the crane will give a sharp warning for   protection itself.2.moment limiter:Real-time monitoring and detection of crane working conditions, with its own diagnostic function, rapid dangerous status alarm and safety control.3.height limit:Control the lowest and highest extreme position of lifting hook.4.slewing limit: Control the extreme turns number of turn left and right.5.Emergency brake: If the operation staff  encounter some emergency situation, we could start the emergency brake system to protection the related treasure.Control mechanismHoisting mechanism is driven by three-speed electromotor with high working speed and good speed-adjusting capability and high efficiency; Derrick mechanism using worm-wheel reducer can meet operating needs. Slewing mechanism that is driven by two-speed electromotor; Make operation more stable and reliable.Our services1.We can design the customerized tower crane as per your requirement.2.The most suitable model will be recommended to you once we know about your requirement.3.Shipment can be arranged from our port to your destination port.4.Operational video can be sent to you if needed.5.The seller can send professional technicians to the site of buyer to  guide the erecting work.6.12(twelve)months (except for wire rope and AC contactor) after the equipment be well erected and we will offer spare parts whole year long.7.Lifelong time freely provide technical support .Packing&DeliveryPacking in 40HC container.Steel structure naked or packed by bubble. Electric part and easily demand parts packed by high quality plywood boxOur companyShandong Mingdao Heavy Industry Machinery Co., Ltd. Is located in Taian City,Shandong Province, China , it is near the China famous Mountain Taish, and also near Kongzi Temple.In the past 10 years, we are aiming at China domestic market and become a leading manufacturer in China. Also, with the help of China trading companies we have exported our products to many countries such as Vietnam, Philippines, Sri Lanka, Bangladesh, France, Dubai, Kazakhstan, Russia, Tanzania,Peru , New Zealand ,etc countries . We got 99% good feedback from the overseas customers. Now we are not only aiming at China domestic market growth ,but also to expand the international market with our quality and price advantages. Integrity, quali