Mining start -stop sensor

The utility model discloses a mining start -stop sensor, which comprises a housin, casing one side is provided with power communication line entry, the casing top is provided with the mounting bracket, the casing bottom is provided with mobilizer, mobilizer includes the shell, the inside adjustment tank that is provided with of shell, the inside fixed plate that is provided with of adjustment tank, the fixed plate both sides all are provided with the telescopic link, first spring has been cup jointed on the telescopic link surface. The utility model discloses a set up mobilizer, if need the movable shell body when using, can go into the shell with the adjustment tank card in, the inside first spring of adjustment tank promotes the telescopic link, the telescopic link promotes the fly leafof its one side, makes the ball card go into the shell, the card can promote the casing and move in going into the ejector pad of push rod one side, the device can make this sensor be convenient for move, be adapted to multip