CN103527153A - Non-circular gear up-down stroke automatic reversing pumping unit - Google Patents

Non-circular gear up-down stroke automatic reversing pumping unit Download PDF

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Publication number
CN103527153A
CN103527153A CN201310514552.XA CN201310514552A CN103527153A CN 103527153 A CN103527153 A CN 103527153A CN 201310514552 A CN201310514552 A CN 201310514552A CN 103527153 A CN103527153 A CN 103527153A
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circular
gear
circular gear
planetary gear
down stroke
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CN201310514552.XA
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CN103527153B (en
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陈国强
窦爱民
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Xuzhou Feiyuan Machinery Co Ltd Science & Technology
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Xuzhou Feiyuan Machinery Co Ltd Science & Technology
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Abstract

The invention discloses a non-circular gear up-down stroke automatic reversing pumping unit and belongs to pumping units for petroleum exploitation. The pumping unit comprises a motor, a transmission and a rotary drum. The transmission and the motor are mounted on the base. The motor is connected with a reducer through a transmission mechanism. The reducer is connected with the rotary drum through an up-down stroke automatic reversing mechanism. The up-down automatic reversing mechanism is a non-circular gear box. One end of the non-circular gear box is connected with the reducer through a coupler, and the other end thereof is connected with the rotary drum through a coupler. During operation of the pumping unit, the motor rotates continuously in the single direction, and motion is transmitted to the non-circular gear box through a belt and the transmission; the non-circular gear box periodically outputs forward and backward motion to drive the rotary drum to move forwardly and backwardly; forward and backward motion of the rotary drum drives a steel wire rope to move up and down to achieve oil pumping. The non-circular gear up-down stroke automatic reversing pumping unit has the advantages that service life of related equipment is prolonged, load and wire loss of a power grid and a transformer are relieved, and reactive loss is reduced greatly.

Description

Non-circular gear up-down stroke automatic reversing cooking fume remover
Technical field
The present invention relates to a kind of oil exploitation oil pumper, specifically a kind of non-circular gear automatic reversing cooking fume remover.Belong to petroleum machinery technical field.
Background technology
Oil pumper is a kind of machinery equipment of recover petroleum, and from oil production method, can be divided into has bar class oil production equipment and without bar class oil production equipment, and they are all that way by pressurization makes oil go out well.This wherein take again the reciprocating oil pumper of sucker rod as main.
The reciprocating oil pumper of sucker rod roughly can be divided into two classes, and the one, beam pumping unit, the one, without beam pumping unit, as tower shelf type oil pumping machine.
Beam pumping unit, " machine of kowtowing " being namely commonly called as, is generally directly dragged by cylinder gear speed reducer by ordinary ac asynchronous motor, and its crank band drives sucker rod with balance, drive downhole pump the pumping of cycle that fix, the oil of down-hole is delivered to ground.
The advantage of this oil pumper is simple in structure, durable; But it is changeless that weak point is mainly manifested in speed, the frequency of the upper and lower stroke of this oil pumper, is relatively applicable to shallow-layer oil field.But the oil field that China is current, through the exploitations of decades, the OW that China drops into produce oil in early days has entered high water-cut stage, and find newly developed generally had deeply buried reservoir, hyposmosis, well deliverability is poor and produce oil is low feature in recent years.Obviously, the beam pumping unit that adopts simple cylinder gear speed reducer is to be difficult to tackle above-mentioned different complex situations, causes pumping efficiency low, energy waste.
For above-mentioned situation, developed in the industry without beam pumping unit, as tower shelf type oil pumping machine.Comparing with beam pumping unit, is fairly obvious without the advantage of beam pumping unit, such as the stroke without beam pumping unit is large, the frequency is low, is applicable to dark oil well operation; The speed of its upper and lower stroke and the frequency can be according to the situation adjustment of oil well, and efficiency is high, and energy consumption is low.
Thereby be as frequency converter, digital control system, variable-frequency motor, servomotor etc. change motor rotation direction, to realize moving up and down of sucker rod by electrical equipment without beam pumping unit.Thisly seem hang-up that reasonable and simple up-down stroke reversing mode has but become puzzlement oil circle.Reason is that electric executive component is difficult to adapt to the severe operating mode in oil pumper field, can not work long hours.Therefore by the shortcoming without beam pumping unit that this electric elements are realized stroke commutation, be: cost is high, fault is many, maintenance is difficult.This also just determined this have vitality without beam pumping unit, be difficult to penetration and promotion.
In view of the foregoing, develop the oil pumper of a kind of mechanical structure, applicable field bad working environments, long service life, just seem extremely important.
Summary of the invention
Consider beam pumping unit have efficiency low, consume energy high and without beam pumping unit, have that cost is high, core components and parts are difficult to adapt to the severe natural environment in field, short drawback of life-span, in conjunction with the feature of non-circular gear, the invention provides a kind of non-circular gear up-down stroke automatic reversing cooking fume remover.Adopt non-circular gear case to realize the automatic reverse of up-down stroke, simple, reliable, durable; Can also by adjusting the pitch curve shape of non-circular gear, set the rate curve of the upper and lower stroke of oil pumper according to the state of oil well or oil reservoir, to improve the coefficient of fullness of pump, reduce pump leakage, obtain larger oil pump capacity.The energy-saving effect with highly significant.
The present invention realizes with following technical scheme: a kind of non-circular gear up-down stroke automatic reversing cooking fume remover, comprises pylon, is arranged on 2 crown sheavies, ballast box, belt, motor, base, sucker rod, cylinder, speed changer on pylon; Pylon, cylinder, speed changer and motor are arranged on base; The wire rope of after-combustion in the other direction on cylinder is connected with sucker rod and ballast box respectively by crown sheave; Motor is connected with reducer by transmission mechanism, reducer is connected with cylinder by up-down stroke automatic reversing mechanism, described up-down stroke automatic reversing mechanism is non-circular gear case, and non-circular gear case one end is connected with reducer by shaft coupling, and the other end is connected with cylinder by another shaft coupling.
Described non-circular gear case comprises power shaft, the first duplex non-circular gear, crown sheave, the first non-circular planetary gear, the second non-circular planetary gear, the 3rd non-circular planetary gear, the 4th non-circular planetary gear, planet carrier, the first duplex non-circular gear, the second duplex non-circular gear and bearing; The first described non-circular planetary gear, the second non-circular planetary gear, the 3rd non-circular planetary gear and the 4th non-circular planetary gear are arranged on planet carrier; The first described non-circular planetary gear and the 4th non-circular planetary gear and the engagement of the first duplex non-circular gear, the second described non-circular planetary gear and the 3rd non-circular planetary gear and the engagement of the second duplex non-circular gear; The first described duplex non-circular gear is fixed on bearing; The second described duplex non-circular gear is connected with crown sheave; When mechanism works, input power imports into by power shaft, and through in-house non-circular gear gear motion, by crown sheave, exports; When input is unidirectional motion, be output as the rotating campaign of same period,, when the every rotation of power shaft is in the time of one week, output shaft completes once and rotates and reverse.。
By changing the shape of non-circular gear pitch curve, adjust respectively speed and the acceleration of oil pumper up-down stroke, to adapt to the needs of different oil fields or oil reservoir.
During oil pumper work, motor one direction is rotated continuously, through belt and speed changer, passes motion to non-circular gear case; Non-circular gear case is exported periodic rotating campaign, drives cylinder rotating; Cylinder rotating, drives wire rope and wire rope to move up and down, and realizes oil pumping.
Owing to having adopted technique scheme, this oil pumper tool has the following advantages:
1, because the present invention has adopted the non-circular gear case with automatic reverse function, when input is unidirectional motion, be output as the rotating campaign of same period,, when the every rotation of power shaft is in the time of one week, output shaft completes once and rotates and reverse.
When 2, oil pumper is worked, motor is all the time in the continuous running status of one direction, and do not need the frequent starting of motor to commutate, while having avoided starting, be equivalent to rated current and the electric energy loss of 3~7 times, reduced the impact to motor, gearbox, oil pumper etc., extend the application life of relevant device, also alleviated burden and the line loss of electrical network and transformer simultaneously, reduced in a large number reactive loss.
3, by changing the shape of non-circular gear pitch curve, can adjust respectively speed and the acceleration of oil pumper up-down stroke, to adapt to the needs of different oil fields or oil reservoir.
4, non-circular gear case is a kind of fully mechanical mechanism, be adapted at working long hours under the rugged environment of field, and also simple in structure, cost is low, is convenient to safeguard.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is non-circular gear box structure schematic diagram.
In figure: 1, automatic reversing mechanism, 2, pylon, 3, wire rope, 4, crown sheave, 6, ballast box, 7, belt, 8, motor, 9, base, 10, sucker rod, 11, cylinder, 12, speed changer; 1.1, power shaft, the 1.2, first duplex non-circular gear, 1.3, crown sheave, the 1.4, first non-circular planetary gear, 1.5, the second non-circular planetary gear, the 1.6, the 3rd non-circular planetary gear, the 1.7, the 4th non-circular planetary gear, 1.8, planet carrier, the 1.9, second duplex non-circular gear, 1.10 bearings.
The specific embodiment
As depicted in figs. 1 and 2, non-circular gear up-down stroke automatic reversing cooking fume remover comprises pylon 2, is arranged on 2 crown sheavies 4, ballast box 6, belt 7, motor 8, base 9, sucker rod 10, cylinder 11, speed changer 12 on pylon; Pylon 2, cylinder 11, speed changer 12 and motor 8 are arranged on base 9; The wire rope of after-combustion in the other direction on cylinder 11 is connected with sucker rod 10 and ballast box 6 respectively by crown sheave 4; Motor 8 is connected with reducer 12 by belt 7, reducer 12 is connected with cylinder 11 by up-down stroke automatic reversing mechanism 1, described up-down stroke automatic reversing mechanism 1 is non-circular gear case, power shaft 1.1 one end of non-circular gear case are connected with reducer 12 by shaft coupling, and the other end is connected with cylinder 11 by another shaft coupling.
As shown in Figure 3, described non-circular gear case comprises power shaft 1.1, the first duplex non-circular gear 1.2, crown sheave 1.3, the first non-circular planetary gear 1.4, the second non-circular planetary gear 1.5, the 3rd non-circular planetary gear 1.6, the 4th non-circular planetary gear 1.7, planet carrier 1.8, the first duplex non-circular gear 1.2, the second duplex non-circular gear 1.9 and bearing 1.10; Described the first non-circular planetary gear 1.4, the second non-circular planetary gear 1.5, the 3rd non-circular planetary gear 1.6 and the 4th non-circular planetary gear 1.7 are arranged on planet carrier 1.8; The first described non-circular planetary gear 1.4 and the 4th non-circular planetary gear 1.7 and the first duplex non-circular gear 1.2 engagements, the second described non-circular planetary gear 1.5 and the 3rd non-circular planetary gear 1.6 and the second duplex non-circular gear 1.9 engagements; The first described duplex non-circular gear 1.2 is fixed on bearing 1.10; The second described duplex non-circular gear 1.9 is connected with crown sheave 1.3; When mechanism works, input power imports into by power shaft 1.1, and through in-house non-circular gear gear motion, by crown sheave 1.3, exports; When input is unidirectional motion, be output as the rotating campaign of same period,, when the every rotation of power shaft is in the time of one week, output shaft completes once and rotates and reverse.
By changing the shape of non-circular gear pitch curve, adjust respectively speed and the acceleration of oil pumper up-down stroke, to adapt to the needs of different oil fields or oil reservoir.
This non-circular gear case, when input is unidirectional motion, is output as the rotating campaign of same period, and, when the every rotation of power shaft is in the time of one week, output shaft completes once and rotates and reverse.
In oil pumper when work,, motor is all the time in the continuous running status of one direction, and do not need periodically to change speed and traffic direction.

Claims (3)

1. a non-circular gear up-down stroke automatic reversing cooking fume remover, comprises pylon (2), is arranged on 2 crown sheavies (4,5), ballast box (6), belt (7), motor (8), base (9), sucker rod (10), cylinder (11), speed changer 12 on pylon; Pylon 2, cylinder (11), speed changer (12) and motor (8) are arranged on base (9); The wire rope 3 of after-combustion in the other direction on cylinder (11) is connected with sucker rod (10) and ballast box (6) respectively by crown sheave (4); Motor (8) is connected with reducer (12) by transmission mechanism, it is characterized in that, reducer (12) is connected with cylinder (11) by up-down stroke automatic reversing mechanism (1), described up-down stroke automatic reversing mechanism (1) is non-circular gear case, non-circular gear case one end is connected with reducer (12) by shaft coupling, and the other end is connected with cylinder (11) by another shaft coupling.
2. non-circular gear up-down stroke automatic reversing cooking fume remover according to claim 1, it is characterized in that, described non-circular gear case comprises power shaft (1.1), the first duplex non-circular gear (1.2), crown sheave (1.3), the first non-circular planetary gear (1.4), the second non-circular planetary gear (1.5), the 3rd non-circular planetary gear (1.6), the 4th non-circular planetary gear (1.7), planet carrier (1.8), the first duplex non-circular gear (1.2), the second duplex non-circular gear (1.9) and bearing (1.10); Described the first non-circular planetary gear (1.4), the second non-circular planetary gear (1.5), the 3rd non-circular planetary gear (1.6) and the 4th non-circular planetary gear (1.7) are arranged on planet carrier (1.8); Described the first non-circular planetary gear (1.4) and the 4th non-circular planetary gear (1.7) and the first duplex non-circular gear (1.2) engagement, described the second non-circular planetary gear (1.5) and the 3rd non-circular planetary gear (1.6) and the second duplex non-circular gear (1.9) engagement; The first described duplex non-circular gear (1.2) is fixed on bearing (1.10); The second described duplex non-circular gear (1.9) is connected with crown sheave (1.3); When mechanism works, input power imports into by power shaft (1.1), and through in-house non-circular gear gear motion, by crown sheave (1.3), exports; When input is unidirectional motion, be output as the rotating campaign of same period,, when the every rotation of power shaft is in the time of one week, output shaft completes once and rotates and reverse.
3. non-circular gear up-down stroke automatic reversing cooking fume remover according to claim 2, is characterized in that: by changing the shape of non-circular gear pitch curve, adjust respectively speed and the acceleration of oil pumper up-down stroke, to adapt to the needs of different oil fields or oil reservoir.
CN201310514552.XA 2013-10-25 2013-10-25 Non-circular gear up-down stroke automatic reversing cooking fume remover Active CN103527153B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104016255A (en) * 2014-06-16 2014-09-03 福建省意科电气科技有限公司 Double-direction turning and lifting device
WO2015135400A1 (en) * 2014-03-14 2015-09-17 董剑 A switching reciprocating incomplete non-circular gear transmission box and a transmission mechanism thereof
CN111305800A (en) * 2020-03-31 2020-06-19 胡勇 Interactive balance device of beam-pumping unit and operation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678766A (en) * 1970-09-30 1972-07-25 Ind Products Inc Drive for in-slot winding machine
GB1542106A (en) * 1975-02-18 1979-03-14 Ker Train Systems Mechanical square wave generators
CN1431411A (en) * 2002-01-08 2003-07-23 李精华 Annular teeth type positive and negative rotational mechanism
CN201794562U (en) * 2010-07-18 2011-04-13 李精华 Oil pumping machine capable of mechanically changing speed and direction
CN203594416U (en) * 2013-10-25 2014-05-14 徐州非圆机械科技有限公司 Pumping unit with automatic reversing function of vertical stroke through non-circular gears

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678766A (en) * 1970-09-30 1972-07-25 Ind Products Inc Drive for in-slot winding machine
GB1542106A (en) * 1975-02-18 1979-03-14 Ker Train Systems Mechanical square wave generators
CN1431411A (en) * 2002-01-08 2003-07-23 李精华 Annular teeth type positive and negative rotational mechanism
CN201794562U (en) * 2010-07-18 2011-04-13 李精华 Oil pumping machine capable of mechanically changing speed and direction
CN203594416U (en) * 2013-10-25 2014-05-14 徐州非圆机械科技有限公司 Pumping unit with automatic reversing function of vertical stroke through non-circular gears

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015135400A1 (en) * 2014-03-14 2015-09-17 董剑 A switching reciprocating incomplete non-circular gear transmission box and a transmission mechanism thereof
CN104016255A (en) * 2014-06-16 2014-09-03 福建省意科电气科技有限公司 Double-direction turning and lifting device
CN111305800A (en) * 2020-03-31 2020-06-19 胡勇 Interactive balance device of beam-pumping unit and operation method thereof

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