NLH Double Girder Overhead Crane

NLH Double Girder Overhead Crane

This double girder overhead crane with electric hoist is for lifting 5t~50t stuff. It's very convenient to install in new or existing workshops. This crane is easy to operate with various functions. With the advantages of compact structure, light weight and high lifting height, double girder overhead crane with electric hoist is widely used in workshops, metallurgy, warehouses and assembly shops etc.

Advanced Manufacturing Technology of NLH Double Girder Overhead Crane:

1. Sandblast pretreatment on steel plates and the surface quality reaches Sa2.5;

2. CNC cutting machine cuts webs plate to insure the curved surface is smooth and accurate; 

3. Seams are soldered by automatic arc welding and detected by ultrasonic and X-ray ; 

4. The structure of girder and trolley is manufactured by floor-type boring lathe to insure flatness.

Safety of f NLH Double Girder Overhead Crane:

1. Safety supervision system is with an overload limiter and shows the load value on screen to warn operator to avoid overload; 

2. Before start up, the whole system will carry out self-checking includes: power supply voltage, default phase, validity of the safe protection device and the zero button;