Tower crane(CE) 1.Rotation frequency conversion 2.A jib-trolley radius-changing mechanism 3.A hydraulic self-raising mechanis  Shandong  Hongda Tower Crane(QTZ31.5~315)    This series of tower cranes, ranging from QTZ31.5 to QTZ315 has a horizontal jib frame, a jib-trolley radius-changing mechanism and a hydraulic self-raising mechanism. It is original in design, reliable in operation and satisfactory in shape. Equipped with all necessary safety devices, these cranes show a good speed-control capacity, satisfactory operating stability and high work efficiency. They can be widely used for the construction of high-rise hotels, residential buildings, high-rise industrial buildings, large-span factory buildings and tower-like buildings like tall chimneys.1."#" Beam Without Ballast;2.Pre-embedded Four Outriggers Type;3.Cross Beam Inclined Stay Bar With Ballast;4.Cross Beam Inclined Stay Bar Without Ballast;5.Traveling Type (Mobile) Tower cranes;6.Inside Climbing.Tower crane model:

Model	QTZ315(7035)	QTZ300(7031)	QTZ200(7020)	QTZ160(6516)	QTZ125A(6015)(5518)	QTZ100A(5515)	QTZ80A(6010)(5512)	QTZ63B(5610)(5013)	QTZ63C(5211)	QTZ40(4708)(4510)	QTZ40A(4708)	QTZ31.5(3883)(4075)(4264)
Amplitude(m)	70	70	70	65	60/55	55	60/55	56/50	52	47/45	47	38/40/42
Independent height(m)	53	50	50	50	46	45	46	41	40	29	29	27
Max.height(m)	301	221	200	190	200	180	200	141	140	100	120	100
Max lifting capacity(t)	16	12	12	10	8	8	8	6	6	4	4	3
Wall-attached Frame	11	8	7	6	6	6	8	6	6	4	6	5
Main material	140×140×16Angle steel welding			135×135×12Square steel tube				135×135×10Square steel tube	160×160×14Angle steel160×160×16Reinforcingmast section	160×160×12Angle steel	140×140×12Angle steel	125×125×10Angle steel
Standard Mast Section Dimension	2.083×2.083×3			1.935×1.935×2.8	1.835×1.835×2.5			1.835×1.835×2.5	1.615×1.615×2.5	1.5×1.5×2.5	1.5×1.5×2.2	1.5×1.5×2.4

    For further information, please check the detailed parameter of different model in the product tabulation.   

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