500 Triplex Mud Pump Sets mainly used for the light Down-hole Remedial operation for oil wells which are less then 3000m and heavy down-hole repair for the oil wells which are above 2000m depth and ST-Horizontal Well operations. Currently on the market there are many types of single pump units, but lots of limitation for those pump units exist, such as using too many replacement parts, poor in duration work capacity, complicate installation and adjustment procedure, poor maneuverability;complicate operations,control element being often damaged and other shortcomings,thus leading to frequent in the course of Triplex Mud Pump Sets failure. Poor a-daptability to environment,in particular,can not work in a desert environment. To improve the capacity of the pump unit, a mechanical power clutch is used to replace the traditional air tube clutch;Cardan-shaft is used for direct drive, instead of the traditional belt or chain drive; and diesel (used in desert) and accessories and other measures were adapted to enhance the power of JBZ500 Triplex Mud Pump Sets. Two-shift-gearbox was specially designed for easy-control of output of pump units to meet the requirement of complex conditions.%500型单机泵组主要用于3000 m以下油井的小修作业及2000m以下大修井和侧钻水平井作业.目前市场上有多种形式的单机泵组,普遍存在易损件多、泵的持续工作能力弱、安装调节复杂、机动性差、操作控制繁琐、控制元件易损坏、不能适应沙漠环境等缺点.采用机械盘式摩擦离合器取代传统的气胎离合器,用万向轴直接驱动泥浆泵替代传统的皮带传动或链条传动,选用沙漠型柴油机等,增强了JBZ500型单机泵组的适应能力.自行设计了2挡手动变速箱,可以简便地控制泵的排量,满足复杂工况的需求.
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