Roller carrying trolley moving protection mechanism

The utility model relates to a roller carrying trolley moving protection mechanism which comprises a roller carrying trolley which is located on a ground sliding rail and conducts front-back reciprocating translation, the front end side and the rear end side of the roller carrying trolley are each provided with an emergency stop assembly, and each emergency stop assembly comprises a pull rope switch located on the left side and a fixed end located on the right side. Pull ropes extending leftwards and rightwards are arranged between the pull rope switches and the fixed ends in a pulling mode, and the sudden stop assemblies are connected with the roller carrying trolley through screw assemblies and used for adjusting the front-back position. The pull rope switches and the corresponding pull ropes are arranged on the front end side and the rear end side of the roller carrying trolley, and the pull rope switches are electrically connected to a power circuit of the roller carrying trolley. When a worker mistakenly