30 Ton slewing jib portal crane for shipyards Working in the Open-air,portal crane has been widely used in port,yard, station, stack and soon. In order to quicken the turnover of the vehicle,the operation of loading and unloading, transshipment of goods on the shipping and car needs high efficiency.With the advantage of advanced capability,high working efficiency,compact frame, calm movement, comfortable operation, safety and reliability, convenience maintenance, nice appearance and so on. It can make good use of the limited space of the port,yard and other places,and is available for empty and full loaded work of shipping and requirement of surface car transportation. And especially, for general using port,it is a kind of hoisting machine with small investment and swiftness benefit for loading and unloading front apron container, sundries and bulk cargo.

• Optimizated electrical room's decoration, and spacious access channel embodies the designer's pursuit of ergonomics. Engineers can simply conveniently maintenance for motor, reducer, cable drum facilities.
• Rotating disc with waterproof rope design, has a unique structure of the double disc waterproof rope mechanism, can effectively stop the rain into the machine room, avoid rust on inside the motor, electric cabinet, etc.
• Slewing mechanism running stable and reliable, with electric interlocking rotation anchor device between rotating parts and door frame. Mast anchor pins installed inside the cylinder of the door frame, anchor detection device can automatically detect berth.
• Two-wire centralized lubrication system, lubrication points with lubrication tee can be automatic refueling, or manually. At the time of reducing maintenance time, avoids the failure lubrication that failure of lubrication points led to a wide range of lubrication condition.