Strip tension adjusting device

The utility model provides a strip tension adjusting device, relate to tension adjusting device, including the elastic wheel assembly, the slider, fixing base and ejector pin, the elastic wheel assembly is connected as an organic wholely with the slider, the slider slides to set up in the inside spout of fixing base and can drive the elastic wheel assembly and removes, the spring has been placed to one side of the inherent slider of spout, ejector pin one end stretches into the interior one end of its end connection's roof top at the spring of passing through of spout, its other end was to leaning on so that the strip of tensioning on the elastic wheel assembly has an initial tension on the slider after the spring received the compression, stretch into the length of spout through adjusting ejector rod and come the initial position of adjust the slider in the spout and then the initial tension size of adjusting the strip, be equipped with induction system on the fixing base, detect the moving direction of slid