Oil -pipeline small sliding pulley relates to the auxiliary device's of well workover tripping operation petroleum string in -process design technical field. The utility model discloses a frame, set up in the gyro wheel of frame bottom both sides, frame both sides upper end respectively the level set up the flank board, set up the backup pad between flank board lower surface and frame, be equipped with arc dress oil pipe recess through the connecting axle in the frame, be equipped with the draining hole on arc dress oil pipe recess, it prevents falling to right the piece to be equipped with bottom the frame. The utility model discloses increased the flank board on both sides, made things convenient for oil pipe directly to roll and send to in the oil -pipeline small sliding pulley recess to reduce the manpower, increased arc dress oil pipe recess, the reduction jigger has improved the atress condition that push away or draw of oil pipe to the jigger to the wearing and tearing of oil pipe screw thread, increased and prevented falling to right the piece, installed during the use in the jigger bottom, prevented that the jigger is smooth to falling from oil pipe at dress, oil feed pipe's in -process atress. The utility model has the advantages of simple and reasonable structure, convenient to use safety reduces the manpower.