A stop device

The utility model discloses a stop device, wherein, include: a guide block, fixed connection in guide block and the robot, guide block are the loop configuration, and the upside of the side of guide block has one and goes up the arc arch, and the downside of the side of guide block has arc arch, goes up the both sides that the protruding and lower arc arch of arc is located the guide block respectively, a sensor support, sensor support and robot base or ground fixed connection, two sensors are fixed with two sensors on the support, the probe of two sensors contacts with the protruding and lower arc arch of last arc respectively. The utility model discloses a sensor locating device, the feedback information when the robot is qualified for the next round of competitions at the material loading station or has the station of other equipment, can in time be received in the position at effectual discernment machine people place, in time stops the robot and moves. This invention has improvedthe security of whole equ