| 摘要 |
<p>The present invention relates to an easily maintained and managed underground motor pump and an inspection device capable of easily and conveniently inspecting a presence of a defect in parts such as a stator, and a rotor disposed inside housing of a motor unit by an inspection unit in short time, preventing, for example, a defect occurred in the rotor from being spread to the stator to considerably save costs required for maintaining and repairing an underground motor pump, and controlling a vertical position of the inspection unit, a vertical position of an upper fixing unit, or a vertical position of a lower fixing unit in accordance to volume of the underground motor pump to be compatible with various underground motor pumps of different volumes.</p> |
