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A method for adjusting the balance of ground-adjusted balance equipment

A technology of balance and equipment, which is applied in earthwork drilling, mechanical equipment, machines/engines, etc., to achieve the effects of simple operation, reduction of work risk and saving of operation cost

Inactive Publication Date: 2021-03-30
孙志勇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is still a lack of a method that can realize the crank in the vertical state and manually adjust the balance weight

Method used

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  • A method for adjusting the balance of ground-adjusted balance equipment
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  • A method for adjusting the balance of ground-adjusted balance equipment

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Embodiment Construction

[0044] A specific embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

[0045] like Figure 1-Figure 7 As shown, the present invention provides a method for adjusting the balance of ground-based balance equipment, comprising the following steps:

[0046] Step 1: Calculate the adjustment direction and distance of the balance weight 9 according to the input power of the motor 16 of the beam pumping unit, and determine the balance position;

[0047] Step 2: By controlling the motor 16, the crank 10 of the beam pumping unit is placed in a near-vertical position, the brake of the beam pumping unit is braked, and the power system of the beam pumping unit is powered off. The balance position is marked on the crank 10; when the crank is in a nearly vertical position, the angle between the crank and t...

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PUM

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Abstract

The invention discloses a balance adjusting method of a ground balance adjusting apparatus. The balance adjusting method is characterized by comprising the following steps: 1, working out the adjusting direction and distance of a counterbalance according to the input power of the motor of a beam pumping unit to determine the balance position; 2, controlling the motor to enable the crank of the beam pumping unit to be at a suberect position, braking the beam pumping unit, turning off the electric power system of the beam pumping unit, and marking the balance position on the crank; 3, mounting aperpendicular balance adjusting tool; 4, adjusting the position of the counterbalance on the crank; 5, demounting the perpendicular balance adjusting tool; and 6, turning on the electric power systemof the beam pumping unit, loosening the brake of the beam pumping unit, and checking the adjusting effect. The invention relates to the field of petroleum equipment, in particular to the balance adjusting method of the ground balance adjusting apparatus. The balance adjusting method can conveniently adjust the position of the counterbalance when the crank of the beam pumping unit is in the vertical state.

Description

technical field [0001] The invention relates to the field of petroleum equipment, in particular to a balancing method for a ground balancing device. Background technique [0002] The beam pumping unit not only has the advantages of simple structure, safety and reliability, long service life, and convenient maintenance, but also has good motion characteristics, smooth speed change, small maximum acceleration of the suspension point, and small inertial load impact on the sucker rod. It can improve the service life of the pumping rod and reduce the number of workover operations. Therefore, it is widely used in the harsh conditions of field operations and continuous operation in oil fields. However, the beam pumping unit has the problem of difficult balance adjustment, and Crank balance is a common way to balance the wellhead load and reduce the driving moment. By moving the balance weight back and forth along the two sides of the crank, the size of the balance moment can be adj...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B47/14E21B43/00
CPCE21B43/121F04B47/14
Inventor 孙志勇武振海康海峰高树芹李建庭魏勇王滨刘冬雷文强翟翔
Owner 孙志勇