Up to 320 ton overhead travelling crane for sale

 Overhead travelling crane is a common lifting machine in the daily operation, and it is widely applied in different kinds of working occasions. Almost all Dongqi overhead travelling crane company takes I-beam structure in the main beam, besides, the crane can be customized into different types.

Main designes of  overhead travelling cranes

As an overhead travelling crane manufacturer, Dongqi offers  types of custom overhead travelling cranes designs for material handling market. In the following are the main products for for your reference. (Please click the picture for detailed information.)

Our travelling overhead travelling crane mainly include different types and usages of single girder overhead travelling crane＆double girder overhead travelling crane, such as explosion proof overhead travelling crane, bucket crane, free standing overhead travelling crane, underhung overhead travelling crane＆top running overhead travelling crane, electric hoist crane, foundry crane, etc.

Types of overhead travelling cranes designs

The main overhead travelling crane designs are as single girder overhead travelling crane, double girder overhead travelling crane, overhead travelling underhung cranes, European overhead travelling cranes, etc. Custom overhead travelling crane designs are also available from Dongqi Hoist and Crane.

Single girder overhead travelling crane designs

A single girder bridge crane is usually designed for the lifts under 20 tons, span less than 31.5m, or the requirement for crane services classification is under A7 and A8.

Single girder overhead travelling crane - overhead travelling crane types of Dongqi

The single girder overhead travelling crane  consists of one girder beam supported on each side by an end truck. The electric trolley and hoist commonly run on the bottom flange of the bridge, often called single girder underhung overhead travelling crane. The single girder underhung crane is less expensive because of the following reasons:

• Only one beam girder is needed to move the trolley and hoist
• Lower cost in freight.
• Easy installation
• Hoist and trolley design is easier than those of double girder overhead travelling crane.