CN102031948B - Wheel type pumping unit of guide stroke extender - Google Patents

Wheel type pumping unit of guide stroke extender Download PDF

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Publication number
CN102031948B
CN102031948B CN201010561536.2A CN201010561536A CN102031948B CN 102031948 B CN102031948 B CN 102031948B CN 201010561536 A CN201010561536 A CN 201010561536A CN 102031948 B CN102031948 B CN 102031948B
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pulley
crank
distance increasing
contained
driver
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CN102031948A (en
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邹庆笙
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邹庆笙
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Abstract

The invention discloses a wheel type pumping unit of a guide stroke extender, which belongs to petroleum extraction equipment. A large pulley and a driving component of the pumping unit are coaxially arranged on the upper part of a stander; a crank is connected with the large pulley by a connecting rod; the crank and a boosting guide stroke extender are arranged on output shafts of the driving component respectively; a boosted guide stroke extender is correspondingly arranged on the large pulley; traction ropes are arranged or continuously wound on the large pulley and a rope hanger and a balance weight on the two sides of the large pulley along the directions of the traction ropes respectively; and a motor with a stop is connected with the driving component. The invention has the advantages that: the large pulley can continuously rotate in the same direction when rotating to a lower dead point under the action of the guide stroke extender, so the stroke is doubled; symmetric balance is adopted; and static balance accuracy is high. Compared with the conventional pumping unit, the wheel type pumping unit of the guide stroke extender has the advantages of simple structure, firmness, durability and high efficiency, saves energy, is safe and reliable, and is not required to be repaired for a long time but only needs to be maintained periodically.

Description

Wheel-type pumping unit for guiding stroke-increasing device
Technical field
The invention belongs to oil exploration equipment, be specifically related to a kind of wheel-type pumping unit for guiding stroke-increasing device.
Background technology
The oil pumper major part of field use is beam pumping unit at present.But the shortcomings such as energy transfer efficiency is low, motor power utilization rate is low, stroke can not increase substantially that this oil pumper exists.Also has a kind of linear oil pump unit, though can raise the efficiency and increase stroke, its complex structure, manufacture difficulty of processing is large, and difficulty is installed, and especially chain extends and produces vibration and swing because of wearing and tearing, make part easily damaged, reliability is low, and maintenance is inconvenient uneconomical.Therefore, need to there be a kind of simple in structure, substitute products that efficiency is high.
Summary of the invention
Object of the present invention, is to overcome the above-mentioned defect of existing oil pumper, proposes a kind of wheel-type pumping unit for guiding stroke-increasing device.
The object of the invention is to be achieved through the following technical solutions.
Wheel-type pumping unit for guiding stroke-increasing device, comprises frame, large pulley, crank, connecting rod, guiding distance increasing unit, driver part, idle automatic lubrication facility, pull rope, sucker rod, counterweight, motor, electrical control cubicles, well workover shift unit; Described large pulley and driver part are arranged on upper rack coaxially, connecting rod connecting crank and large pulley; On the output shaft separately that is contained in respectively driver part of crank and boosting guiding distance increasing unit, being subject to derive is contained on large pulley accordingly to distance increasing unit; Pull rope is contained in by direction separately respectively or connects polished rod eye and the counterweight around large pulley and large pulley both sides, polished rod eye connecting with pumping rod; Band stop motor connects driver part; The gear of well workover shift unit is contained in large pulley main shaft both sides, and the tooth bar matching is contained in frame.
Advantage of the present invention is: under the effect of guiding distance increasing unit, can continue to do rotating Vortex when large pulley rotates to bottom dead centre, stroke doubles like this, adopts symmetrical expression balance, and static balancing precision is high.With existing oil pumper comparison, it is simple in structure, durable that the present invention has advantages of, the present invention is energy-efficient, safe and reliable, and need not keep in repair for a long time, only need do time-based maintenance.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is that guiding of the present invention increases the structural representation of growing up to be a useful person.
In figure: 1 frame, 2 large pulleys, 3 cranks, 4 connecting rods, 5 boosting guiding distance increasing units, 6 are subject to derive to distance increasing unit, 7 rear output shafts, 8 front output shafts, 9 pull ropes, 10 pull ropes, 11 driver parts, 12 motors, 13 counterweights, 14 idle automatic lubrication facilities, 15 left gears, 16 left tooth bars, 17 sucker rods, 18 polished rod eyes, 19 gear wheels, 20 electrical control cubicles, 21 belt pulleys, 22 main shafts, 23 right gears, 24 right tooth bars.Detailed description of the invention
With reference to Fig. 1, Fig. 2, shown in Fig. 3, large pulley 2 and coaxial frame 1 top that is arranged on of driver part 11; Connecting rod 4 connecting cranks 3 and large pulley 2, driver part 11 comprises: belt pulley 21, gear wheel 19, rear output shaft 7, front output shaft 8, idle automatic lubrication facility 14; Described guiding distance increasing unit is formed by two halves are corresponding, and half is boosting guiding distance increasing unit 5, is contained on the output shaft of driver part 11; Second half is derived to distance increasing unit 6 for being subject to, and is contained on large pulley 2.Crank 3 and boosting guiding distance increasing unit 5 is contained in respectively on the rear output shaft 7 and front output shaft 8 that driver part 11 exports, be subject to derive and to distance increasing unit 6 be and corresponding being contained on large pulley 2 of boosting guiding distance increasing unit 5 being contained on rear output shaft 8, pull rope 9 and 10 is contained in by direction separately respectively or connects polished rod eye 18 and the counterweight 13 around large pulley 2 and large pulley 2 both sides, polished rod eye 18 connecting with pumping rods 17, according to the radical of oil pumper size decision pull rope.Idle automatic lubrication facility 14 is arranged on the gear wheel 19 in driver part 11.Motor 12 is contained in frame 1 top, is controlled by electrical control cubicles 20; Motor 12 connects the belt pulley 21 of driver part 11 and rotates boosting guiding distance increasing unit 5 and crank 3, drives large pulley 2 to rotate by connecting rod 4.In crank 3 and large pulley 2 both diameters not under the effect of equal difference, when rotating to top dead-centre, crank 3 transmission large pulleys 2 do automatic reverse, and boosting guiding distance increasing unit 5 and be subject to derive corresponding in the time that large pulley 2 rotates to bottom dead centre to distance increasing unit 6 two halves, it is that large pulley 2 continues to rotate in the same way that boosting guiding distance increasing unit 5 promotes to be subject to derive to distance increasing unit 6.The left gear 15 of well workover shift unit and right gear 23 are contained in main shaft 22 both sides of large pulley 2, and the left tooth bar 16 matching and right tooth bar 24 are contained in frame 1, when well workover, by the gear matching and tooth bar engagement, when normal operation, throw off.
In addition, the gear drive in driver part 11 also can be used chain gear transmission instead; The structure of guiding distance increasing unit also can realize by other form of structure: crank 3 also can use gear wheel instead or larger wheels forms.
Finally it should be noted that: obviously, above-described embodiment is only for clearly demonstrating example of the present invention, and the not restriction to embodiment, for a person skilled in the art, can also do on the basis of the above description other multi-form variation or variations, here without also giving exhaustive to all embodiments.And the apparent variation of being extended out thus or variation are still among protection scope of the present invention.

Claims (2)

1. wheel-type pumping unit for guiding stroke-increasing device, comprises frame, large pulley, crank, connecting rod, guiding distance increasing unit, driver part, idle automatic lubrication facility, pull rope, sucker rod, counterweight, motor, electrical control cubicles and well workover shift unit; It is characterized in that: described large pulley and driver part are arranged on upper rack coaxially; Connecting rod connecting crank and large pulley; Described guiding distance increasing unit is formed by two halves are corresponding, and half is boosting guiding distance increasing unit, is contained on the front output shaft of driver part; Second half is derived to distance increasing unit for being subject to, and is contained on large pulley, and crank is contained on the rear output shaft of driver part, and pull rope is contained in by direction separately respectively or connects polished rod eye and the counterweight around large pulley and large pulley both sides, polished rod eye connecting with pumping rod; Described idle automatic lubrication facility is arranged on the gear wheel in driver part; Motor is contained in upper rack, by electrical control cubicles control; Motor connects the belt pulley of driver part and rotates boosting guiding distance increasing unit and crank, drives large pulley rotation by connecting rod; In crank and large pulley diameter not under the effect of equal difference, when rotating to top dead-centre, crank gearing large pulley does automatic reverse, and boosting guiding distance increasing unit and be subject to derive corresponding in the time that large pulley rotates to bottom dead centre to distance increasing unit two halves, boosting guiding distance increasing unit promotes to be subject to derive to distance increasing unit to do to continue in the same way to rotate; The left gear of well workover shift unit and right gear are contained in the main shaft both sides of large pulley, and the left tooth bar and the right tooth bar that match are contained in frame, when well workover, by the gear matching and tooth bar engagement, when normal operation, throw off.
2. wheel-type pumping unit for guiding stroke-increasing device according to claim 1, is characterized in that: chain gear transmission is used in the gear drive in described driver part instead; Crank uses gear wheel instead or larger wheels forms.
CN201010561536.2A 2010-11-29 2010-11-29 Wheel type pumping unit of guide stroke extender Active CN102031948B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010561536.2A CN102031948B (en) 2010-11-29 2010-11-29 Wheel type pumping unit of guide stroke extender

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010561536.2A CN102031948B (en) 2010-11-29 2010-11-29 Wheel type pumping unit of guide stroke extender

Publications (2)

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CN102031948A CN102031948A (en) 2011-04-27
CN102031948B true CN102031948B (en) 2014-06-18

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4505162A (en) * 1982-07-22 1985-03-19 Advanced Pumping Systems, Inc. Oil well pumping apparatus and method
CN1313451A (en) * 2001-05-09 2001-09-19 隋海东 Chain-rope pumping unit
CN2525275Y (en) * 2001-08-24 2002-12-11 南阳市石油物资技术开发中心 Pendulum wheel type distance increasing oil pumping unit
CN2760222Y (en) * 2004-10-10 2006-02-22 陈宗武 Head sheave type long-stroke oil pumping unit
CN201865643U (en) * 2010-11-29 2011-06-15 邹庆笙 Wheel-type pumping unit for guiding stroke-increasing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4505162A (en) * 1982-07-22 1985-03-19 Advanced Pumping Systems, Inc. Oil well pumping apparatus and method
CN1313451A (en) * 2001-05-09 2001-09-19 隋海东 Chain-rope pumping unit
CN2525275Y (en) * 2001-08-24 2002-12-11 南阳市石油物资技术开发中心 Pendulum wheel type distance increasing oil pumping unit
CN2760222Y (en) * 2004-10-10 2006-02-22 陈宗武 Head sheave type long-stroke oil pumping unit
CN201865643U (en) * 2010-11-29 2011-06-15 邹庆笙 Wheel-type pumping unit for guiding stroke-increasing device

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