Catching device for broken rope

The utility model discloses a catching device for a broken rope and belongs to the technical field of overhead man car auxiliary devices under a coal mine. In order to solve the technical problem, the device can clamp the broken rope within very short time period when rope breaking happens. According to the technical scheme, an upper wedge block shaft is installed on the upper portion of a box body, a reaction arm shaft is installed on the lower portion of the box body, and a first rope supporting wheel and a second rope supporting wheel are installed at the bottom of the box body at an interval, wherein the installing height is larger than that of the reaction arm shaft. A limiting arm is installed on one side, where the first rope supporting wheel is installed, of the box body and located over a reaction arm, and a protecting cover is arranged at the end of the limiting arm. An upper wedge block is installed on the upper wedge block shaft, the reaction arm is in key connection with the reaction arm shaft through a supporting lug, a lower wedge block is installed at one end, located in the box body, of the reaction arm, a clamping groove is formed in one end outside the box body and used for clamping the steel rope, the lower end of a lever linkage mechanism is connected with the reaction arm shaft, and the upper end of the lever linkage mechanism is connected with the upper wedge block shaft. The catching device is applied to overhead man cars under the coal mine.