Electric motor direct-drive dead-weight balanced type beam-pumping unit
A motor, balanced technology, applied in wellbore/well components, production fluids, earthwork drilling and other directions, can solve the problems of poor work stability, high maintenance costs, complex structures, etc., to achieve stable work performance, reduce maintenance costs, The effect of simplifying the transmission mechanism
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[0014] The motor direct-drive self-weight balanced walking beam pumping unit consists of rope suspension 1, donkey head 2, walking beam 3, balance weight 4, brake disc 5, brake device 6, motor 7, crank 8, connecting rod 9, and rear bracket 10. The brake link 11, the brake lever 12, the power distribution box 13, the hinge 14, the base 15, and the front bracket 16. The rope suspension 1 of the self-weight balanced walking beam pumping unit directly driven by the electric motor is suspended on the donkey head 2. The front end of the walking beam 3 is connected with the donkey head 2, and the front end of the base 15 is provided with a front bracket 16, which is connected to the head The middle part of the beam 3 is connected by a middle bearing. The bottom surface of the rear part of the beam 3 is provided with an electric motor 7, and the shaft of the electric motor 7 is equipped with a crank 8. The crank 8 is connected to the connecting rod 9 through a crank pin assembly, and t...
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