20 Ton U Type Double Girder Gantry Crane
Product Description:
U type double girder gantry crane mainly made up of bridge, trolley, crane traveling mechanism and electric system. The control method could be ground control, remote control, cabin control or both, in the cab there are adjustable seat, insulating mat on the floor, toughened glass for the window, fire extinguisher, electric fan and auxiliary equipment such as air condition, acoustic alarm and interphone which can be furnished as required by users. Applies to the open warehouse or rail along for general handling and lifting work. Also can equipped with many lifting device for special work. Prohibited for lifting high temperature solution, flammable, explosive, corrosion, overloading, dust and other dangerous operations.
U type double girder gantry crane is applied to general materials handing service in outdoor freight yard and along railway line , such as loading,unloading ,lifting and transferring work .As there is more space under legs of gantry crane , it’s fit for conveying larger products ,saddle support isn’t needed for U type gantry crane , So overall height of crane is reduced given certain lift height .
The U type double main girder hook gantry crane has two U-shaped outriggers.The crane is suitable for railway freight yards, ports, open-air warehouses, container transfer stations, etc. with large spans and frequent loading and unloading operations. The crane adopts a U-shaped gantry, and its over-leg clearance is large (nearly 7m), which is suitable for loading and unloading of long and heavy goods and containers. Due to the structural characteristics of the U-shaped door crane, the saddle frame is omitted, and the height of the whole machine is reduced under the condition of a certain lifting height.
U-shaped double main girder hook gantry crane has a rated lifting capacity of 5~500 tons; both sides of the crane can be equipped with cantilevers; large workload A5~A7 (ISO); special industry hooks can be grab buckets, magnets, lifting beams; environment Working temperature -40~50 degrees.
Selection Guide:
Lifting Weight | 10 | 16 | 20/10 | 32/10 | 36/16 | 50/10 | |||||||
Span | (m) | 18/22/26/30/35 | 18/22 | 30 | 18/22/26/30/35 | 22/26 | 22/26/30/35 | 32 | |||||
Lifting Height | Primary | 11.5 | 10.5 | 12 | 10.5 | 11.5 | 11.5 | 12 | |||||
Secondary | 11 | 12 | 12 | 13 | |||||||||
Working Duty | A5 | A5~A6 | A5 | A5~A6 | A5~A6 | ||||||||
Speed | Lift | Primary | (m/min) | 18.4 | 12.3 | 9.2 | 10.4 | 10.4 | 6 | ||||
Secondary | 13.2 | 13.2 | 12.3 | 18 | |||||||||
Travel | Handcart | 43.8 | 44.5 | 44.5 | 41.9 | 51 | 38.13 | ||||||
Cart | 54.6 | 48.4 | 51.2 | 49.1 | 51.2 | 48 | 51.2 | 51.2 | 51.2 | 43.8 | |||
Steel Track (Kg/m) | 43 | 50 |