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Petroleum equipment

Beam rod pumping unit

Date:2021-10-10 View:32

When the rod pumping unit is running, the electric energy provided by the distribution box is converted into kinetic energy through the pulley and transmitted to the reduction box, driving the circumferential rotation of the crank, the crank is connected with the connecting rod, the connecting rod is connected with the beam, and the beam is connected with the traveling beam. So this series of operations is that the crank rotates to drive the walking beam and the donkey's head reciprocates up and down, which means that the crank makes a circular motion to convert the kinetic energy into the reciprocating motion of the donkey's head. When the donkey's head moves upward, it is called the upstroke, and when it goes down, it is called the downstroke.

The beam rod pumping unit is one of the main types of rod pumping units currently used in the oil field. It mainly consists of four parts: donkey head-beam-connecting rod-crank mechanism, reduction box, power equipment and auxiliary equipment.


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