Drilling fluid sand pump for oil exploitation and using method thereof
A technology for oil extraction and drilling fluid, applied in the direction of pumps, pump devices, pump components, etc., can solve the problems of increasing the load of bearings and seals, uneven force of the main shaft 7, speeding up bearing loss, etc., so as to reduce the bearing load and improve the operation. Efficiency, the effect of reducing the probability of failure
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[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0026] see Figure 1-5 , a drilling fluid sand pump for oil production, comprising an underframe 1, a sealing assembly 10 and an external motor, the top of the underframe 1 is fixedly equipped with a movable chamber 2, and the left side of the back of the movable chamber 2 is provided with a low-pressure inlet 3, and the movable chamber 2 There is a high-pressure outlet 4 in the middle part of the right side of the motor, the middle part of the inner cavity of...
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