General Use Gantry Crane

General Use Gantry Crane

General use gantry crane is a bridge type crane whose bridge is supported on a ground rail by two side legs. It is structurally composed of a gantry frame, a cart running mechanism, a lifting trolley and an electric part. Some gantry cranes have legs on one side and the other side on the plant...

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General use gantry crane is a bridge type crane whose bridge is supported on a ground rail by two side legs. It is structurally composed of a gantry frame, a cart running mechanism, a lifting trolley and an electric part. Some gantry cranes have legs on one side and the other side on the plant or trestle, called a half-gantry crane.

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The general use Gantry crane have following features:

01. Expanding the scope of crane operations

In order to expand the working range of the crane, the main beam can extend beyond the legs to one side or both sides to form a cantilever. A lifting trolley with a boom can also be used to expand the crane's working range by tilting and rotating the boom.

02. Safe and reliable protection device

The company's gantry cranes are equipped with reliable wind-proof devices and rain-proof devices to resist the strong winds and protect the safe operation of electrical equipment.

03. Good stability double beam structure

When the lifting weight is large, the double-girder gantry crane is often used. When the span of the whole machine is less than or equal to 30m, the rigid legs are often used for the legs on both sides, and the legs are combined with the rigid-squatting legs for the long span. To bear the additional load, set the correcting device at the same time.

04. Economical application of single main beam structure

When the lifting capacity is not more than 50t, the box-type single main beam structure is usually adopted, and the reverse roller structure capable of supporting the overturning moment is adopted to realize material handling, and the structure is simple and economical.

05. The structural form is customized as needed

Under normal circumstances, the lifting weight is below 50t and the span is within 35m. There is no special use requirement, and single main beam type should be used. If the door leg width is required, the working speed is high, or the heavy parts and long pieces are often lifted, the double-beam gantry crane should be selected.

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Technical data of general use gantry crane: 

Capacityt3~500t 
Spanm5-40
Cantileverm1/3 of Span
Lifting heightkg6-40
Lifting speedm/min405~740
Crane speedm/min5-50
Trolley speedm/min4-40
Working duty
A5-A7
Power Source
380V/50HZ or As demands
Control Method
Cabine control or Remote

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