An automatic balance beam pumping unit and its method

Abstract

The invention discloses an automatic balancing beam pumping unit and a method thereof. An automatic balancing device is arranged on the crank of the pumping unit, and the automatic balancing device includes a fixed balancing block, a left moving balancing block, a right moving balancing block, and a balancing motor. , right-angle reducer, the fixed balance weight is connected with the crank through bolts, and the fixed balance weight can slide on the crank along the length direction of the crank, the right-angle reducer is connected with the balance motor, and the right-angle reducer is installed on the fixed balance weight, the right-angle Both sides of the reducer have output shafts with opposite directions of rotation, and the left moving balance weight and the right moving balance weight are installed on the output shafts on the two sides of the right-angle reducer respectively. The invention starts the balance motor, the balance motor transmits power to the right-angle reducer, and the right-angle reducer drives the left and right moving balance blocks to rotate, and adjusts the balance of the beam pumping unit by changing the center of gravity of the left and right moving balance blocks.

Description

technical field [0001] The invention relates to the technology of a beam pumping unit, in particular to an automatic balancing beam pumping unit and a method thereof. Background technique [0002] At present, the rod pump pumping equipment commonly used in the oil field is the beam pumping unit. In order to reduce the force on the driving parts of the pumping unit and reduce the torque of the reducer and the power of the motor, it is necessary to add a balance block on the crank or beam to Balance well load. Because the oil well load changes frequently, the balance block needs to be adjusted in time. The existing beam pumping unit is basically adjusted manually, which has problems such as untimely adjustment, long adjustment time, and heavy adjustment workload. Contents of the invention [0003] The purpose of the present invention is to provide an automatic balance beam pumping unit and method, which can realize the automatic balance adjustment of the pumping unit, which...

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