Movable pulley block of elevator

The utility model discloses a movable pulley block of an elevator, and particularly relates to the technical field of movable pulley blocks, the movable pulley block comprises a plurality of roller carriers, a guide roller is rotatably arranged in the middle of each roller carrier, every two adjacent roller carriers are connected through a splicing mechanism, and each splicing mechanism comprises two fixing pieces located on the side edge of the connecting position of the two roller carriers. Two sets of limiting pieces are symmetrically and fixedly arranged on one side of each fixing piece, each set of limiting pieces is composed of two clamping pieces, each set of limiting pieces is connected with the edge of the corresponding roller carrier in an inserted mode, an installation hole is formed in the middle of each fixing piece, a fixing bolt is inserted into the two installation holes, and one end of the fixing bolt is in threaded connection with a fixing nut. According to the movable pulley block, the inde