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The invention discloses a solospun device of a ring spinner in the textile industry, which comprises a fixation clamp which is buckled on a front leather roll shaft of the ring spinner by a hook, and a partition wheel which is arranged at both sides of the fixation clamp and connected with a swing bearing. A shaft of the swing bearing is sheathed with a spring used for adjusting the tensile force of the swing bearing and the partition wheel closely fits to a front roller of the ring spinner and rotates with the rotation of the front roller by the action of a friction force. The fixation clamp is also fixed above a jaw of the front leather roll shaft by a locating screw and fixedly held on the front leather roll shaft by a holding screw to form a three-point fix. The surface of the partition wheel is provided with a partition groove with deep and shallow sections as well as wide and narrow sections which are alternated with each other and a transition section vertical to the partition groove while the transition section is a groove of which the bottom is flush to the bottom of the deep section of the partition groove. The solospun device has the advantages that the fixation clamp of the solospun device has stable rigidity, no frictional loss occurs between the fixation clamp and machine parts of the ring spinner, the partition wheel has reliable operation and the fiber can be prevented from accidental damages.