The utility model discloses a polished rod eye, including upper bearing plate and lower bearing plate, install a pair of sleeve between upper bearing plate and the lower bearing plate, be provided with first jack among the lower bearing plate, sleeve and first jack threaded connection, upper bearing plate is located sleeve position department and is provided with first through -hole, the inside ofevery sleeve lower extreme all is provided with and presss from both sides the cover subassembly, every presss from both sides the cover subassembly and includes that two press from both sides the cover monomer, form the passageway that can supply the rope to pass between two clamp cover monomers, be provided with the taper surface on the inside wall of sleeve lower extreme, upper bearing plate'smiddle part and lower bearing plate's middle part are provided with second through -hole and third through -hole respectively, the external fixation that is located the polished rod of upper bearingplate top has the fixing clip, in pull rope when cable, pressing from both sides the cover subassembly and can press from both sides tightly the rope in the sleeve, so, when beam -pumping unit pull rope is all alone, the rope can be voluntarily and polished rod eye lock to can bring the convenience for the staff.