QD type general double girder overhead crane is composed of box-shaped bridge frame, cart operating mechanism, trolley and electrical equipment. It is usually used indoors, and is equipped with a rainproof structure when used in the open air.
QD type overhead crane is a series of bridge crane products manufactured by international advanced standards. The general bridge crane has novel structure, beautiful appearance, good craftsmanship, flexible and stable operation, safety and reliability.

• 1.Double girder, welding box beam, camber meet national standard,
• 2.The trolley is consisted with motor, reducer, brake, coupling, the wheel, drum,
• 3.Main welding submerged are welded automaticly, nondestructive flaw detection,
• 4.Adopt high quality carbon steel, Q235B or Q345B, (similar as Fe37 or Fe52),
• 5.No asbestos brake pad or brake block, insert the card installed, safe and reliable,
• 6.End girder is matched with rail buffer and rail clearance device,
• 7.The speed reducer has hard-toothed surface, compact structure, durable,
• 8.Crane protection grade is IP54 or IP44, F Class insulation
• 9.Brake effectively, and long service life.

flagcrane Factory Overview

• 1Light- Self weight, Small Space Occupy
• 2Use variable-frequency technology, run with heavy load at low speedand light load at high speed, comprehensive anti-sway technology, can achieve high-precision positioning of lifting items
• 3It has a number of protection measures such as limit protection and over-load protection to ensure the safe and reliable operation of the crane.
• 4Low operating and Maintenance costs

QD type double girder overhead crane is used in warehousing and logistics, precision machining, metal manufacturing, wind power, automobile manufacturing, rail transit, and construction machinery.

Please note: Above specification just for your reference,our crane can be customized design based on your requirements.