Cable-free balance long-stroke oil pumping unit
A pumping unit and long-stroke technology, which is applied in the direction of mechanical equipment, production fluid, wellbore/well components, etc., can solve the problems of potential safety hazards in the operation of equipment, achieve efficient and stable pumping work, simple and easy variable parameters, The effect of simple structure
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[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0021] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.
[0022] Figure 4 The structure of the cableless balanced long-stroke pumping unit provided by the embodiment of the present invention is shown, and only the parts related to the embodiment of the present invention are shown for convenience of description.
[0023] The cable-free balanced long-stroke pumping unit provided in this embodiment includes a sucker rod 2, a bracket 11, a motor assembly 10, a connecting rod 8, and a crank 9 installed on the output shaft of the m...
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Abstract
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