Rope blocking device of arm end pulley and crane

The utility model relates to the technical field of cranes, and discloses an arm end pulley rope blocking device and a crane, the arm end pulley rope blocking device comprises a second supporting plate and a rope blocking frame, the second supporting plate is of a fan-shaped structure, the center of the second supporting plate is connected with a second arm end pulley frame, and the second supporting plate is provided with a first hole and a connecting column which are used for being connected with the rope blocking frame; the rope blocking frame comprises a first pipe and second pipes, the second pipes are cage-shaped pipes matched with the arcs of the second supporting plate, the number of the second pipes is two, one ends of the second pipes are connected with a pipe body of the first pipe, and connecting plates are symmetrically arranged at the other ends of the second pipes in a back-to-back mode; the first pipe is connected with the second supporting plate through a first shaft, the first shaft is in sh