The utility model relates to a novel robot is retrieved to traffic awl specifically divide into following step: utilize travelling car platform and vision capturing and processing module to accomplishtracking and discernment work, collocation DC servo motor and frame type electro -magnet utilize the huge magnetic reactance sensor that hinders as traffic awl position survey of fire hole component,adopt the design of single degree of freedom revoliving arm, cooperation wedge linear motion and the transmission design that the lever motion of hand claw arm combined together accomplish receivingand releasing of traffic awl. The utility model discloses utilize simple lever principle and wedge mechanism to simplify the project organization greatly, utilize the switching value control that theelectro -magnet is simple to reduce the control degree of difficulty for it can adapt to most operational environment, has strengthened its practicality, has simple, practical, high -efficient, low -cost characteristics.