Accurate positioning device for stage suspender

The utility model discloses an accurate positioning device for a stage suspender, which comprises a fixing frame, a mooring rope and a rope winder, and further comprises a rotary length measuring wheel, the rotary length measuring wheel is positioned on one side of the fixing frame, an encoder is mounted in the rotary length measuring wheel, and an alignment groove matched with the mooring rope isformed in the outer side wall of the rotary length measuring wheel; the auxiliary limiting mechanism is located on the front surface of the fixing frame and located on the other side, opposite to therotary length measuring wheel, of the mooring rope; the length measuring wheel is independently mounted; the encoder is installed on the length measuring wheel to calculate the take-up and pay-off length of the cable, so that accumulated errors caused by winding and overlapping of the cable of the cable winder can be effectively avoided; the telescopic height of the suspender can be accurately calculated by the system, so