The speed boat comprises a boat body, a water channel and a propulsion pump, the water channel parallel to the axis of the boat body is arranged at the bottom of the boat body, and the propulsion pump is arranged on the inner path of the water channel. The propulsion pump comprises a seat ring, axial flow blades, a magnetic bearing, a stator and a rotor, an annular groove is formed in the water channel, the seat ring is installed in the groove through the magnetic bearing, the axis of the seat ring coincides with the axis of the water channel, the axial flow blades which are evenly distributed in the circumferential direction are installed on the inner ring of the seat ring, and the axial flow blades form a fan shape with the axis of the seat ring and extend towards the axis of the seat ring. All the axial flow blades extend to the axis of the seat ring and then are spot-welded together, the rotor is fixedly installed on the outer ring of the seat ring, the stator is fixed to the inner wall of the water channel and is opposite to the rotor, and the magnetic bearings are installed on the seat ring and the inner wall of the water channel in pairs respectively and are arranged in the axial direction and the radial direction of the axis of the water channel.
本发明公开了一种超高速巡航救援快艇,快艇包括船身、水道和推进泵,船身底部设置与其自身轴线相平行的水道,水道内部路径上设置推进泵。推进泵包括座环、轴流叶片、磁力轴承、定子和转子,水道内部设有环形槽,槽内通过磁力轴承装安座环,座环的轴线与水道轴线重合,座环的内圈安装有若干圆周均布的轴流叶片,轴流叶片以座环轴线成扇形并往座环轴线方向延伸,所有轴流叶片延伸至座环轴线上后点焊在一起,转子固定安装在座环的外圈,定子固定在水道内壁上且与转子面对面,磁力轴承分别成对的安装在座环和水道内壁上,磁力轴承沿水道轴线的轴向与径向均有设置。
Ultrahigh-speed cruise rescue yacht
超高速巡航救援快艇
2022-06-14
Patent
Electronic Resource
Chinese
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