| 摘要 |
<p>The present invention relates to a series connection type multistage submersible motor pump comprising: a motor (10) with a hollow shaft (11) having a flow path (11a); an impeller (20) which is fixed to an inlet of the hollow shaft (11) and sucks a fluid; a housing (30) surrounding the impeller (20) by being connected to the inlet of the hollow shaft (11) by a bearing (B1); a connection pipe (40) connected to the outlet of the hollow shaft (11) by a bearing (B2); and hoses (50) connected to the inlet of the housing (30) and the outlet of the connection pipe (40), respectively. The series connection type multistage submersible motor pump according to the present invention allows firefighting water to be quickly supplied to the spot of a forest fire that it is difficult for a vehicle to approach, has a simple structure, and is capable of being simply and easily manufactured and assembled.</p> |
