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  • JLF Series Hoisting Mechanism
  • JLF Series Hoisting Mechanism

JLF Series Hoisting Mechanism

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National patented products: Patent I: ZL 2009 2 0243653.7, Hoisting Mechanism of Tower Crane Patent II: ZL 2010 20226428.5, Combined-type Winding Drum Used in Winch JLF series products adopt the structural style of variable frequency motor S-NGW reducer winding drum.


1.S-NGW reducer is employed for the first time in China with the precision of all gears (through grinding processing) up to over 6 level and features of less noise, compact structure, light weight and convenient maintenance.


2.Winding drum of major diameter and Lebus grooves is adopted with good rope-arranging performance to increase wire rope's service life.


3.Due to stepless speed regulation and steady operation, it reduces the impact on the components and mechanisms of the tower crane and achieves the slow position with toward zero speed which is convenient to precise hoisting. It can simultaneously meet the requirement of higher hoisting and lower falling speed. Frequency converter, with sound protective functions, can realize stable, safe and reliable operation. Due to very low starting current and low energy consumption, it's applicable to building construction, precise hoisting and other construction sites.

Model
    型号
45JLF25A45JLF2545JLF25D55JLF3055JLF3075JLF40
75JLF45
Rated Single Rope Tension kN
    单绳额定拉力
25252530304045
Magnification
    倍率
444444
Rated Power of the Motor Kw
    电机额定功率
454545555575
Working Frequency (Hz)
    工作频率
6-50-1006-50-1006-50-1006-50-1006-50-1006-50-100
Hoisting Speed m/min
    起升速度
2.4-20-402.7-22-452.8-23-462.7-22-452.4-20-402.7-22-45
Hoisting Capacity t
    起重量
10-10-510-10-510-10-512-12-612-12-616-16-8
Rope Capacity m
    容绳量
500   (5 layers)
615   (6 layers)
550 (5 layers)800   (6 layers)500   (5 layers)
630   (6 layers)
1140   (6 layers)550   (5 layers)
804   (7 layers)
Nominal Diameter of Wirerope mm
    钢丝绳公称直径
φ14φ14φ14φ18φ16φ20



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