1.The brief introductions of QTZ-3D portable electric soil drilling rig QTZ-3D portable electric soil drilling rig is an electric version of the QTZ-3 (gasoline engine) produced by Shandong Master Machinery Group Co., Ltd. The improvement of QTZ-3D electric soil drilling rig is mainly engine system. While QTZ-3 is equipped with gasoline engine, QTZ-3D is powered by electric. The QTZ-3D soil drilling rig selects pure copper winding two phase electric motor as a power source. The advantage of using the electric engine as the power source is its stability, and it can continuously improve the working efficiency with a certain kind of power operation equipment. It greatly improves the feed speed. In addition, QTZ-3D electric soil drilling rig is easy to operate, safe and stable, and can greatly reduce the labor force during the drilling operations.