According to the bridge approach is divided into bearing type and suspension type two kinds

According to the bridge approach is divided into bearing type and suspension type two kinds. The former bridge along the car on the beam of crane orbit; The bridge along the hanging in the workshop crane orbit under the roof. Single girder overhead gantry crane crane, electric two break up. Manual single-beam bridge crane institutions working speed is low, the weight is small, but its quality is small, easy to organize production, low cost, suitable for no power after carrying amount is not big, requirements for speed eot craneproductivity is not high. Manual single-beam bridge crane using manual monorailey troll as a running car, with the hand chain hoist as lifting mechanism, the bridge is made up of main girder and end beam. Main girder with single beams, beam with steel or bending molding steel plate welded.