Pumping unit

A technology of pumping units and hollow sucker rods, which is applied in the fields of exploitation fluid, wellbore/well parts, earthwork drilling and production, etc., can solve the problems of low load rate, high energy consumption, low efficiency, etc., and achieves strong practicability and structural simple effect

Inactive Publication Date: 2014-01-22
SHAANXI HI TECH ENERGY DEV
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AI-Extracted Technical Summary

Problems solved by technology

In order to solve the problems of high energy consumption and low efficiency in oil pumping operations, two methods are commonly used: improving the motor and developing...
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Abstract

The invention relates to a pumping unit which comprises a base. A motor is arranged on the base and connected with a gearbox through a belt wheel, a chain wheel seat is further arranged on the gearbox and the base and provided with an upper chain wheel and a lower chain wheel, the upper chain wheel is connected with the lower chain wheel through a chain, the connecting line between the midpoint of the upper chain wheel and the midpoint of the lower chain wheel is perpendicular to the horizontal plane, the chain is connected with a reverser, the base is provided with a chain wheel and a belt wheel, the upper end of the reverser is connected with a solid sucker rod through a steel wire rope of the chain wheel, and the lower end of the reverser is connected with a hollow sucker rod through the belt wheel. The pumping unit is simple in structure and strong in practicability.

Application Domain

Fluid removal

Technology Topic

Agricultural engineeringSucker rod

Image

  • Pumping unit

Examples

  • Experimental program(1)

Example Embodiment

[0009] An oil pumping unit of the present invention includes a frame 1, a motor 2 is arranged on the frame 1, and the motor 2 is connected to a gearbox 3 and a gearbox 3 through a belt pulley. The frame 1 is also provided with a sprocket seat 4 and a sprocket seat 4 are respectively provided with an upper sprocket 5 and a lower sprocket 6, the upper and lower sprocket 6 are connected by a chain, and the connection between the midpoints of the upper and lower sprocket 6 is perpendicular to the horizontal plane, the chain is connected to the commutator 7 , The frame 1 is respectively provided with a chain wheel and a pulley, the upper end of the commutator 7 is connected with a solid sucker rod through the wire rope of the chain wheel, and the lower end of the commutator 7 is connected with a hollow sucker rod through a pulley; the upper pulley 8 has two, The line between the midpoints of the two upper pulleys 8 is parallel to the horizontal plane, and provides reciprocating power for the wire rope to change direction. The lower pulley 10 is located at the lower right of the base 1, and the upper pulley 9 is located at the upper right of the base 1 and below the upper pulley to provide reciprocating movement for the belt.
[0010] In the pumping unit of the present invention, the motor 2 transmits power to the gearbox 3 through a belt, the gearbox 3 drives the lower sprocket 6 to rotate, the lower sprocket 6 and the upper sprocket 5 transmit power to each other through the chain, and the chain drives Commutator 7. When the lower sprocket 6 rotates under the drive of the gearbox 3, the chain and the upper sprocket 5 act together. At this time, the commutator 7 installed on the chain reciprocates up and down on the guide rail under the drive of the chain, the commutator 7 The upper end is fixedly connected with the steel wire rope, the steel wire rope goes around the two upper pulleys on the top of the fuselage and changes the direction by 90, and the other end is connected with a solid sucker rod. The lower end of the commutator 7 is fixedly connected with the belt, the belt goes around the upper pulley 9 and the lower pulley 10 each reverses 180, and the other end is connected with a hollow sucker rod. When the commutator 7 moves upward, one end of the steel wire rope installed at the upper end stretches, and the other end of the lower belt is stretched; when the commutator 7 moves downward, one end of the steel wire rope at the upper end stretches and is installed on the other end of the lower belt. elongation. In this way, through the upper pulley, chain, commutator 7, two upper pulleys 7, upper pulley 8 and lower pulley 9, the reversal of the rotary motion of the motor 2 is converted into the synchronous reciprocating linear motion of a solid sucker rod and a hollow sucker rod. At the same time, it provides the required synchronous reciprocating linear motion for 2 sets of downhole pumps.

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