Front-wheel system was changed from the manual tension V-belt to automatic tension V-ribbed belts , more smoother operation and higher reliability.
前端轮系从手动张紧的三角带传动改为自动张紧的多楔带传动，运转更平稳，可靠性高。
2
A steeply inclined downward running ribbedbelt conveyor is developed according to the funnel layout at Xieyi coal mine in Huainan to meet the demand in coal mining with inclined coal bed.