drawing customized me model gantry crane with double trolley

Beam crane 

1, Including single girder bridge crane and double beam bridge crane

2. The main girder of single girder bridge crane bridge is used more h type steel or steel section and steel plate combination. Lifting trolley is often chain hoist, electric hoist, or used as lifting mechanism parts assembled.

3.Electric single-beam bridge crane working speed, high productivity, the manual, the weight is bigger as well.

Bridge crane , overhead crane 

1.Bridge crane is widely used in indoor and outdoor warehouses, factories, docks and outdoor storage yard, etc. Bridge crane can be divided into general bridge crane, simple beam bridge crane and metallurgical special bridge crane 3 kinds.

2.Bridge crane is a bridge in high orbit a bridge type crane, also known as the crown. Bridge crane bridge along the laid on on both sides of the elevated rail longitudinal operation, lifting trolley along the bridge is laid on the orbits of the horizontal run, constitute a rectangular scope of work, can make full use of bridge the space below the lifting materials, from the ground equipment obstacles.

Gantry crane 

1. Including gantry crane , Semi-portal crane ,double cantilever gantry crane, single cantilever gantry crane. 

2. Single cantilever girder gantry crane structure is simple, convenient installation, its quality is small, box girder are partial rail frame structure. Compared with the double girder gantry crane, less overall stiffness.

Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 20-30 days . It is according to quantity and size.  

Q: How can I get accurate quotation. 

A: Please tell us the crane's Span, working condition , temperature, Load capacity , Lifting height, meterial and so on.  The  more detailed the better.   

Q: What is your terms of payment ?

A: 30% T/T in advance ,balance before shippment or L/C at sight.