Automatic balance-adjusting beam-pumping unit and method
A pumping unit and automatic adjustment technology, which is applied in the direction of earthwork drilling, production fluid, wellbore/well parts, etc., can solve the problems of long adjustment time, untimely adjustment, and heavy adjustment workload, so as to improve production timeliness, The effect of prolonging the service life and reducing the labor intensity of workers
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[0015] The detailed description and technical content of the present invention are described below in conjunction with the accompanying drawings. However, the accompanying drawings are only provided for reference and description, and are not used to limit the present invention.
[0016] according to figure 1 , 2 As shown, an automatic balancing beam pumping unit includes a beam 2, a crank 9, a reducer assembly 5, and a main motor 6. The beam is hinged on the frame 3, and the main motor is connected to the speed reducer. The input end of the machine assembly 5 is connected, the rear end of the walking beam and the crank are hinged through a connecting rod 11, the other end of the crank is connected with the output end of the reducer assembly, the front end of the walking beam is installed with a donkey head 1, and the crank is provided with an automatic adjustment A balancing device, the automatic balancing device includes a fixed balance weight 7, a left moving balance weight 12, ...
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