• This seal device has the advantages such as anticorrosion avoiding eccentric abrasion and rod broken good seal performance.

    密封装置具有抗腐蚀、、防、密封性能特点

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  • When the eccentric disc rotates in the positive direction, the support rod is driven to rotate upwards so as to lift weight.

    偏心作反方向偏心旋转支撑随偏心盘作向下方向旋转使重器下降复位

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  • The invention relates to an eccentric support, which comprises support incline rod (1) arranged with energy consumer (2).

    发明公开一种偏心支撑包括支撑(1),在所偏心支撑斜杆(1)上设置耗能器(2)。

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  • The connecting rod carries the power thrusts from the piston to the crankpin. At the same time, the rod is in eccentric motion.

    连杆作用是将活塞承受压力传给连杆轴颈同时连杆偏心运动

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  • The problem of eccentric wear of tubing and rod strings in rod pumped Wells is very severity in recent years, and led to service frequently, pump inspection period shorten and service cost enhanced.

    近年抽油机之间问题十分突出,导致作业频繁,检周期,作业成本增加。

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  • The problem of eccentric wear of tubing and rod strings in rod pumped Wells is very severity in recent years, and led to service frequently, pump inspection period shorten and service cost enhanced.

    近年抽油机之间问题十分突出,导致作业频繁,检周期,作业成本增加。

    youdao

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