单吸式三螺杆泵的结构
三螺杆泵的关键零件为主动螺杆、从动螺杆和螺杆衬套。
主动螺杆和从动螺杆
主动螺杆又称转子。承接原动机传递给泵的旋转运动。主动螺杆的材料通常采用：碳素结构钢45、合金结构钢40Cr、16MnCrS5、38CrMoAl和不锈钢1Cr18Ni9Ti等。
螺杆泵损坏检修内容：
1、小修项目包括：
(1)检查轴封泄漏情况，调整压盖与轴的间隙，更换填料或修理机械密封；
(2)检查轴承；
(3)检查各部位螺栓紧固情况；
(4)检查联轴器及对中情况
(5)消除冷却水、封油和润滑系统在运行中出现的跑、冒、滴、漏等缺陷；
2、大修项目包括：
(1)包括以上小修项目内容
(2)检查衬套及螺杆直线度及磨损情况。
(3)检查泵体内表面磨损情况。
(4)解体检查各部件磨损情况，测量并调整各部件配合间隙。
(5)校验压力表、安全阀、滤网等。
HSNH系列三螺杆泵常规型号：
HSNH40-38 HSNH40-46 HSNH40-54 HSNH80-36 HSNH80-42
HSNH80-46 HSNH80-54 HSNH120-42 HSNH120-46 HSNH120-51
HSNH120-54 HSNH210-40 HSNH210-46 HSNH210-54 HSNH280-43
HSNH280-46 HSNH280-54 HSNH440-40 HSNH440-46 HSNH440-52
HSNH440-54 HSNH660-40 HSNH660-44 HSNH660-46 HSNH660-51
HSNH660-54 HSNH940-36 HSNH940-42 HSNH940-46 HSNH940-50
HSNH940-54 HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNH
HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNHnbsp;
HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNHnbsp;
HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNH
进出口反向安装型号：
HSNH40-38Z HSNH40-46Z HSNH40-54Z HSNH80-36Z HSNH80-42Z
HSNH80-46Z HSNH80-54Z HSNH120-42Z HSNH120-46Z HSNH120-51Z
HSNH120-54Z HSNH210-40Z HSNH210-46Z HSNH210-54Z HSNH280-43Z
HSNH280-46Z HSNH280-54Z HSNH440-40Z HSNH440-46Z HSNH440-52Z
HSNH440-54Z HSNH660-40Z HSNH660-44Z HSNH660-46Z HSNH660-51Z
HSNH660-54Z HSNH940-36Z HSNH940-42Z HSNH940-46Z HSNH940-50Z
HSNH940-54Z HSNHZ HSNHZ HSNHZ HSNHZ
HSNHZ HSNHZ HSNHZ HSNHZ HSNHZ
HSNHZ HSNHZ HSNHZ HSNHZ HSNHZ
HSNHZ HSNHZ HSNHZ HSNHZ
轴承内置型号：
HSNH40-38N HSNH40-46N HSNH40-54N HSNH80-36N HSNH80-42N
HSNH80-46N HSNH80-54N HSNH120-42N HSNH120-46N HSNH120-51N
HSNH120-54N HSNH210-40N HSNH210-46N HSNH210-54N HSNH280-43N
HSNH280-46N HSNH280-54N HSNH440-40N HSNH440-46N HSNH440-52N
HSNH440-54N HSNH660-40N HSNH660-44N HSNH660-46N HSNH660-51N
HSNH660-54N HSNH940-36N HSNH940-42N HSNH940-46N HSNH940-50N
HSNH940-54N HSNHN HSNHN HSNHN HSNHN
HSNHN HSNHN HSNHN HSNHN HSNHN
HSNHN HSNHN HSNHN HSNHN HSNHN
HSNHN HSNHN HSNHN HSNHN
轴承内置进出口反向安装型号：
HSNH40-38NZ HSNH40-46NZ HSNH40-54NZ HSNH80-36NZ HSNH80-42NZ
HSNH80-46NZ HSNH80-54NZ HSNH120-42NZ HSNH120-46NZ HSNH120-51NZ
HSNH120-54NZ HSNH210-40NZ HSNH210-46NZ HSNH210-54NZ HSNH280-43NZ
HSNH280-46NZ HSNH280-54NZ HSNH440-40NZ HSNH440-46NZ HSNH440-52NZ
HSNH440-54NZ HSNH660-40NZ HSNH660-44NZ HSNH660-46NZ HSNH660-51NZ
HSNH660-54NZ HSNH940-36NZ HSNH940-42NZ HSNH940-46NZ HSNH940-50NZ
HSNH940-54NZ HSNHNZ HSNHNZ HSNHNZ HSNHNZ
HSNHNZ HSNHNZ HSNHNZ HSNHNZ HSNHNZ
HSNHNZ HSNHNZ HSNHNZ HSNHNZ HSNHNZ
HSNHNZ HSNHNZ HSNHNZ HSNHNZ
