Ｄ、限位器D，limitingdevice限位器为一个底部带限位板和流通通道的短节，接在定子的尾部，其作用是施工作业时给转子限位以防止下入过头而失去作用和杆柱脱落时防止杆柱掉入井底。Thelimitingdeviceisashortsectionwithbottomlimitplateanddistributionchannel，whichisconnectedtothetailofthestator.Itsfunctionistolimittherotortotherotorduringctruction1，soastopreventitfromfallingintotheoverheadandloseitsfunctionandpreventtherodfromfallingintothebottomwhentherodstringfallsoff.Ｆ、抽油杆F，suckerrod所使用的抽油杆是常用的普通抽油杆、空心抽油杆和连续抽油杆，可根据油井确定。Thesuckerrodusediscommonlyusedasacommon1suckerrod，莫诺螺杆泵配件，hollowsuckerrodandcontinuoussuckerrod，whichcanbedeterminedaccordingtotheoilwell.Ｇ、定子扶正器G，statorcentralizer定子扶正器为有一定弹性的笼形装罩，每一对由两半构成，中间大、两端小。作用是使定子居中和减小定子的摆动。Thestatorcentralizerisacageshapedcoverwithacertainelasticity.Eachpairismadeupoftwohalves，largeinthemiddleandsmallatbothends.Thefunctionistomakethestatormiddleandreducethestatorwobble.Ｈ、锚定装置H，anchoringdevice对于没有封隔器的井和泵挂深度浅的井，用于固定定子、消除摆动和防止定子脱扣。采用普通的锚定装置即可。Forwellswithoutpackersandshallowwellswithdeeppumps，itisusedtofixthestator，eliminatetheswingingandpreventthetrippingofthestator.Acommonanchoringdevicecanbeused.Ｂ、转子B，rotors转子的结构也非常简单，主体是钢制杆件，一般外涂耐磨耐蚀的铬合金材料。其作用是传递动力和写定子形成密封腔。Thestructureoftherotorisalsoverysimple，themainbodyissteelrod，generallycoatedwithabrasionresistantandcorrosionresistantchromiumalloymaterial.Itsfunctionistotransferpowerandwritethestatortoformasealcavity.Ｃ、回转筒C，rotarybarrel回转筒也就是一根内径较大的油管或空心定子筒，接在定子的上部以给转子和抽油杆杆柱以较大的回旋空间，防止转子和抽油杆因偏心运动磨擦磨损油管。Arotarycylinderisalsoanoiltubeorhollowstatorbarrelwithlargerinnerdiameter.Itisconnectedtotheupperpartofthestatortoprovidelargerswirlspacefortherotorandsuckerrodstring，soastopreventtherotorandsuckerrodfromattritionwearduetoeccentricwear.莫诺螺杆泵配件-螺耐斯(推荐商家)由武汉螺耐斯环保设备有限公司提供。武汉螺耐斯环保设备有限公司为客户提供“螺杆泵,单螺杆泵,螺杆阀,污泥切割机,污泥破碎机,微型螺杆泵”等业务，公司拥有“螺耐斯”等品牌，专注于污水处理设备等行业。，在湖北省武汉市蔡甸区奓山街工业园的名声不错。欢迎来电垂询，联系人：尤经理。)