Gearless elevator traction machine

The utility model discloses a gearless elevator traction machine, and belongs to the technical field of traction machines. The traction device mainly comprises a traction wheel. At least two containing holes are formed in the edge of the traction wheel, the two ends of the traction wheel are communicated through the containing holes, threaded sleeves are detachably and fixedly installed in the containing holes, threads are arranged in the threaded sleeves, the positions of the threads in the threaded sleeves are of various types, and at least two types are that the threads are located at the two ends in the threaded sleeves respectively. In the using process, the thread sleeve with the thread located on the outer side is installed in the containing hole, the thread is located on the side, close to the outer side, of the traction wheel, and the reinforcing device or the gear ring or the baffle can be fixedly installed on the traction wheel through a bolt conveniently; during maintenance, the thread sleeve with