Oil pumping unit with fixed ring rack

A ring-shaped rack and pumping unit technology, applied in mechanical equipment, belts/chains/gears, and production fluids, etc., can solve the problem of not having long-stroke and large-load pumping units, and achieve a simplified and reasonable structure design. , the effect of simple structure

Inactive Publication Date: 2012-07-25
胜利油田盛运机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the beam pumping unit is a model with relatively mature manufacturing experience and is the main force of existing rod pumping equipment, it does not meet the requirements of long-stroke and heavy-duty pumping units.

Method used

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  • Oil pumping unit with fixed ring rack
  • Oil pumping unit with fixed ring rack
  • Oil pumping unit with fixed ring rack

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0011] Such as figure 1 and figure 2 As shown, the fixed ring rack pumping unit includes a base 15, a frame 14 is installed on the base 15, an operating mechanism fixed on the frame 14, a balance reciprocating mechanism connected with a suspension system at one end, and the balance reciprocating The mechanism is equipped with a drive reversing mechanism, wherein: the suspension system includes a drum 13 and a suspension belt 11, and one end of the suspension belt 11 is connected with a rope suspension 12; the operating mechanism is fixed on the frame 14 The ring rack 10; the balance reciprocating mechanism includes a balance box 5 with one end connected to the suspension belt 11; 1. The pinion 9 and the guide wheel 8 installed on the output shaft of the reducer 2, the pinion 9 meshes with the ring rack 10, and the reversing track 7 installed transversely on the balance box 5 is connected with the reducer 2 and passed through A plurality of rollers 4 limit the reversing disc...

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PUM

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Abstract

The invention discloses an oil pumping unit with a fixed ring rack, which comprises a base, a frame, an operating mechanism and a balanced reciprocating mechanism. The frame is mounted on the base, the operating mechanism is fixed onto the frame, one end of the balanced reciprocating mechanism is connected with a suspension system, a drive reversing mechanism is arranged on the balanced reciprocating mechanism, the suspension system comprises a roller and a hanging load belt, a beam hanger is connected to one end of the hanging load belt, the operating mechanism is the ring rack fixed onto the frame, the balanced reciprocating mechanism is a balance box with one end connected with the hanging load belt, the drive reversing mechanism comprises a speed reducer, a motor, a pinion and a guide wheel, the speed reducer is arranged in the balance body, the pinion is mounted on an output shaft of the speed reducer and engaged with the ring rack, a reversing rail is horizontally mounted on the balance box, and a reversing disk is connected with the speed reducer. The stroke length can be optionally designed according to use requirements, the requirement of the oil pumping unit on long stroke can be met, stroke frequency can be flexibly adjusted, a belt pulley does not need to be replaced, and the structural design of a lubricating system is simplified.

Description

technical field [0001] The invention relates to the technical field of oil drilling equipment, in particular to a fixed ring rack oil pumping unit. Background technique [0002] At present, most oilfields in my country have entered the middle and late stages of water injection development, and the depth and difficulty of development are increasing day by day, and the liquid supply capacity of oilfields is obviously insufficient. In order to improve the output of heavy oil wells and the recovery efficiency of oil reservoirs, it is necessary to adopt "small pump exploration pumping" and "big pump liquid extraction" oil production technology, which requires oil production equipment to have the characteristics of long stroke and large load. At present, the types of domestic pumping units are mainly divided into beam pumping units and beamless pumping units. Although the beam pumping unit is a model with relatively mature manufacturing experience and is the main force of existin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/00F16H19/04
Inventor 刘永海张丙忠李新赵吉会衣龙宇孔帆倪昕
Owner 胜利油田盛运机械制造有限公司
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