Abstract: Improved design of winch for JP75-300 type winch sprinkler machine was carried out.A kind of bending line tube groove type winch which cooperated with row pipe mechanism was adopted.It made PE pipe array orderly layer by layer.Improved winch was more suitable for PE pipe multilayer winding，especially for 3 or more layers of winding.At the same time，this design could reduce damage and prolong service life of PE pipe.Its popularization and application prospect were wide.