Flexible-transmission composite balanced oil sucking machine

A flexible transmission and pumping unit technology, applied in transmission devices, mechanical equipment, mining fluids, etc., can solve the problems of large amount of steel and cement, many energy transmission links, low system efficiency, etc., to reduce volume, improve efficiency, Smooth running effect

Inactive Publication Date: 2013-04-24
NORTHEAST GASOLINEEUM UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of many energy transmission links, low system efficiency, large volume, large energy consumption, large amount of steel and cement, high energy consumption and low effective load of the existing pumping unit, the present invention provides a flexible transmission composite balanced pumping unit , the pumping unit runs smoothly and has a simple structure. The flexible transmission replaces the four-bar linkage mechanism, which reduces the output power of the motor and the torque fluctuation of the reducer, and realizes that the power of the motor is always positive, high efficiency and energy saving

Method used

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  • Flexible-transmission composite balanced oil sucking machine
  • Flexible-transmission composite balanced oil sucking machine
  • Flexible-transmission composite balanced oil sucking machine

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with accompanying drawing:

[0031] Depend on figure 1 combine figure 2 As shown, the flexible transmission compound balanced pumping unit includes a frame base system, a power transmission system, a brake system, a balance system and a reversing system.

[0032] The frame base system includes a box body 1-1, a frame 1-2, a base 1-3 and a wellhead support 1-4; image 3 combine Figure 4 Shown: wellhead support 1-4, including support head 1-4-1 and upper and lower beams, wherein support head 1-4-1 and upper beam 1-4-2 are welded and fixed; lower beam 1-4-3 passes through The column is welded and fixed on the upper end of the box body 1-1; the lower beam 1-4-3 is also welded and fixed on the straight support beam 1-4-4 and the inclined support beam 1-4-5, and the straight and inclined support beams are welded with inverted U Shaped sleeve, the upper beam 1-4-2 passes through the inverted U-shaped s...

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Abstract

The invention relates to a flexible-transmission composite balanced oil sucking machine. A balanced system of the flexible-transmission composite balanced oil sucking machine realizes secondary balance by adopting a B balance block; an A balance block rotates for a half circle, the B balance block rotates for one circle; and a motor constantly does positive work when being positioned at 12 o'clock and 6 o'clock in such a way that the position of an A crank at the 12 o'clock and 6 o'clock is staggered with the position of a B crank at the 12 o'clock and 6 o'clock, therefore the problem that the motor of the traditional oil sucking machine does negative work is solved; and the flexible-transmission composite balanced oil sucking machine effectively balances the maximum value of output powerwithin the half circle for which the A crank rotates and reduces the output power of the motor and the impact of loads on a speed reducer and the motor and enables the motor to constantly do the positive work, thereby enhancing the system efficiency.

Description

technical field [0001] The invention relates to oil production equipment in an oil field, in particular to an oil pumping unit. Background technique [0002] Pumping units account for more than 90% of the production wells in my country's oilfields. At present, the main body of the beam pumping unit adopts a four-bar linkage mechanism, and the pumping unit and the pump are connected by sucker rods. The main problems are that the motor power curve has a negative value, the system efficiency is low, the energy consumption is large, and the amount of steel and cement is large. . The main reason is that the sucker rod reversely drags the crank to rotate during the downstroke of the pumping unit, the motor is in the state of power generation, there are many power transmission links, the output power of the motor and the torque of the reducer fluctuate greatly, and the size and self-weight are large, thus requiring a large Power motor with high energy consumption and low payload....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B43/00F16H37/12
Inventor 梁宏宝陈颖赵玲李冰孙旭东孟庆伟
Owner NORTHEAST GASOLINEEUM UNIV
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