The utility model discloses a mining portable iphone belt holder device of preventing spilling coal, support device include that the level passes hydro -cylinder, base, lift cylinder, support skeleton, V -arrangement bearing roller support, for prior art once demolish a tightening band support, through the utility model discloses a support device, the work of cooperation elevating conveyor and belt conveyor, once the shut down can once demolish two to three tightening band support to make to reduce and shut down the frequency of dismantling the tightening band support, reduce the working influence to working face homes using TV and equipment greatly, improved to combine and adopted working face back production efficiency.