The modified roller is suitable for machinery, metallurgy, mining, port wharf, chemical medicine, cement building materials, iron and steel, coal mine and other fields. It is the driving device of various mobile belt conveyors and can also be used for some fixed belt conveyors.

 1. operation power is small, energy consumption is small, economy is good;

 2. feed is large and stable;

 3. dynamic adjustment, stepless speed regulation, easy adjustment;

 4. smooth operation, low noise, environmental protection;

 5. wear small, maintenance small, long service life;

 6. parts universal, easy to install and maintain;

 7. replace existing other types of feede