Recently, by stimulating investment in infrastructure policy of expanding domestic demand, local roads, railways, etc. is increasing, the urgent need to supply a large amount of sand and gravel. Meanwhile, construction of the continuous development and innovation, to further promote the rapid development of China’s sand and gravel industry, sand production line process to produce…

Tension device is one of the main part of the belt conveyor, mainly for the normal operation of belt conveyer belt provide a certain amount of tension force, ensure the conveyer belt tension minimum tension point, the permanent elongation compensation conveyor belt. Therefore, choosing the appropriate tension device is the key to the design of…