CN104234670B - A kind of tower linear oil pumping machine - Google Patents

A kind of tower linear oil pumping machine Download PDF

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Publication number
CN104234670B
CN104234670B CN201410474694.2A CN201410474694A CN104234670B CN 104234670 B CN104234670 B CN 104234670B CN 201410474694 A CN201410474694 A CN 201410474694A CN 104234670 B CN104234670 B CN 104234670B
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China
Prior art keywords
guide wheel
ballast box
polished rod
chain
torsionspring
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CN201410474694.2A
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CN104234670A (en
Inventor
王安生
沈军
孙友彬
刘庚
焦林
刘颖利
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AECC Aviation Power Co Ltd
AVIC Aviation Engine Corp PLC
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Xian Aviation Power Co Ltd
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Abstract

The present invention proposes a kind of tower linear oil pumping machine, including base and pylon, driving mechanism, drive mechanism, well workover shift unit, oil well polished rod;Drive mechanism includes drive sprocket, driven sprocket, chain, crank throw, comes and goes frame, ballast box, load belt and polished rod eye;Drive sprocket is connected by chain with driven sprocket, and crank throw is fixed on chain, come and go frame and crank throw fix be connected, ballast box is fixedly connected on round frame upper end;Load belt one end is connected to ballast box upper end, and walks around the well workover shift unit on pylon top, and the other end is connected on polished rod eye;Polished rod eye connects oil well polished rod.The present invention can overcome the problem that existing well workover without beam pumping unit displacement is wasted time and energy, impact shock is big when commutating.

Description

A kind of tower linear oil pumping machine
Technical field
The present invention relates to oil pumper technical field, be specially the tower linear oil pumping machine that the jig frequency in a kind of oil field ground mechanical oil recovery field can regulate.
Background technology
Oil pumper is the oil production equipment that oil field is important, what current oil field used has gas balance chain machine, wide belt chain making machine etc. without beam pumping unit, the advantage that the oil pumper of these chains commutation has big stroke, low jig frequency, but mechanical commutation system complex, well workover shift mechanism is wasted time and energy, manufacture, maintenance cost height, during commutation, impact shock is big.Most importantly jig frequency is non-adjustable or regulate pretty troublesome.
And the oil pumper of chain commutation is when commutation, in pylon, ballast box and H steel have bigger impact shock, the serious normal operation affecting oil pumper, and time serious, bearing outside comes off, and H steel is knocked deformation, and even oil pumper is knocked down.Existing tower-type pumping unit vibration absorber adopts deep groove ball bearing, and ballast box is hard contact with H steel, and bearing capacity is little, and impact resistance is poor, and guide wheel bearing is easily damaged, and during oil pumper normal operation, complete machine oscillation is big.
In addition existing chain belt oil pumping machine well workover shift unit depends on the auxiliary of the equipment such as crane, jack, trailer, and for being located in wilderness, ungetable oil field, workover treatment carries out relatively difficult.
Summary of the invention
The invention aims to overcome the weak point of above-mentioned oil pumper, it is provided that a kind of drive mechanism is simpler, and performance is better, adjust ginseng convenient, cost is low, long stroke that jig frequency can regulate within the specific limits, the tower linear oil pumping machine of low jig frequency twin-roll.
The technical scheme is that
The tower linear oil pumping machine of described one, it is characterised in that: include base and pylon, driving mechanism, drive mechanism, well workover shift unit, oil well polished rod;Driving mechanism is fixedly mounted on base, and driving mechanism drive transmission device operates;Drive mechanism includes drive sprocket, driven sprocket, chain, crank throw, comes and goes frame, ballast box, load belt and polished rod eye;Drive sprocket is connected by chain with driven sprocket, and crank throw is fixed on chain, come and go frame and crank throw fix be connected, ballast box is fixedly connected on round frame upper end;Load belt one end is connected to ballast box upper end, and walks around the well workover shift unit on pylon top, and the other end is connected on polished rod eye;Polished rod eye connects oil well polished rod;
Described well workover shift unit is made up of bracing frame and operating platform, cylinder mechanism, shift mechanism and displacement driving mechanism;Bracing frame and operating platform are fixed on pylon top;Shift mechanism includes the many groups of guide rails being parallel to each other, and guide rail is fixed on bracing frame upper surface;Cylinder mechanism includes the front roll and the back roll that are parallel to each other, and front roll is arranged on the slide block of guide rail by front roll support plate, and back roll is fixed on bracing frame by back roll support plate, and load belt walks around front roll and back roll;Displacement driving mechanism includes driving handle, drive sprocket, two groups of motions, and often group motion includes leading screw, shaft coupling, minor sprocket and displacement chain;Leading screw and guide rail parallel, leading screw one end coordinates with the feed screw nut being fixed on front roll support plate, the leading screw other end and the bearing fit being fixed on rear roller support plate, and connects minor sprocket by shaft coupling, minor sprocket connects drive sprocket, drive sprocket handle drives driven by shifting chain.
Further preferred version, the tower linear oil pumping machine of described one, it is characterised in that: there is lock pin to retrain between front roll support plate and bracing frame.
Further preferred version, the tower linear oil pumping machine of described one, it is characterized in that: a ballast box vibration absorber is respectively installed in ballast box corner, and described ballast box vibration absorber includes wheel stand, torsionspring axle, torsionspring, guide wheel support arm, guide wheel shaft, guide wheel;Wheel stand is fixed on ballast box, and torsionspring axle is fixed on wheel stand, and two torsionsprings are enclosed within torsionspring axle, and one end of torsionspring is fixedly connected on wheel stand, and the other end is fixedly connected on guide wheel support arm;Two pieces of guide wheel support arms are arranged on the two ends of torsionspring axle, and guide wheel support arm one end and torsionspring axle are rotatably assorted, and the other end is fixing with one end of guide wheel shaft to be connected;Guide wheel shaft is parallel with torsionspring axle;Guide wheel is arranged on guide wheel shaft by bearing, and under torsionspring twisting force, guide wheel contacts with pylon H steel.
Further preferred version, the tower linear oil pumping machine of described one, it is characterised in that: oil pumper is also equipped with photographic head and transmitter, the jig frequency of record oil pumper and liquid outlet quantity data, and long-distance transmissions is to doing building site point.
Beneficial effect
The present invention has techniques below advantage compared with existing blue elephant:
1, the ballast box of the present invention is positioned at pylon body, is positioned at the top of round frame and links together with round frame, moving with the motion of chain in body.Ballast box assembly adopts the centralizing system being made up of 12 righting directive wheels, and stable movement can be made flexible.Indoor design at ballast box has the space placing balancing weight for placing balancing weight.Balancing weight is cast iron or steel plate material, can vary in size according to oil well load and select.Balancing weight adopts the fritter counterweight of every piece of weight 15kg, it is possible to accurately adjust balance weight, makes system run more steady, and the power of consumption is less.
2, when the present invention works, after motor is slowed down by belt transmission, reduction box, drive sprocket is driven to rotate.Drive sprocket drives chain to move between drive sprocket and driven sprocket, and chain is by crank throw, drives and comes and goes frame, comes and goes frame and drives ballast box to move up and down.Walk around cylinder in the upper end of ballast box by load belt and be connected to the polished rod eye of polished rod.Thus the upper and lower vertical back and forth movement of round frame is passed to polished rod and the corresponding income upstroke of oil pumper and down stroke, it is achieved the purpose of oil pumping.
3, the present invention has well workover shift unit, during well workover, operator climbs to operating platform along the staircase of pylon body side, opens lock pin, turning handle, drive drive sprocket rotates, drive sprocket drives left and right two axles, makes left and right leading screw rotate simultaneously, pulls front roll support plate slide unit to move, thus conceding the space before pylon, install and use for workover rig.During return, handle orientations rotates.During normal pumping operation, cylinder support plate lock pin locks.
4, the present invention respectively installs a torsion spring vibration absorber up and down in the left and right sides of ballast box so that ballast box and H steel are flexible contact, it is possible to the vibration that when effectively preventing from commutating, impulsive force causes greatly, and protection guide wheel bearing is not easy damaged.
5, the jig frequency of the well site oil pumper in the present invention and the data of liquid outlet quantity can be transferred at a distance done building site point by photographic head and transmitter, make staff can obtain line data on the other hand fast and easily.Achieve intelligent data acquisition, it is possible to the relation between adjusting stroke frequency and liquid outlet quantity efficiently and effectively, the increase jig frequency suitable when liquid outlet quantity is many, the minimizing jig frequency suitable when liquid outlet quantity is few.Effectively raise the work efficiency of oil pumper.Lay the first stone for digitized oil field.
6, adopting planetary reducer in driving device of the present invention, transmission efficiency is high, and single-stage reaches 96 99;Gear range is big, and transmission power is from 12KW to 50000KW;Bearing capacity is big;Stable working;Much less than common gear reducer of volume and weight.
Accompanying drawing explanation
Fig. 1: the structural representation of the present invention.
The side view of Fig. 2: Fig. 1.
Wherein: 1 motor, 2 decelerators, 3 crank throws, 4 well workover shift units, 5 load belts, 6 polished rod eyes, 7 oil well polished rods, 8 bases, 9 ballast boxes, 10 come and go frame, 11 driven sprockets, 12 chains, 13 drive sprockets.
Fig. 3: well workover shift unit schematic diagram.
The top view of Fig. 4: Fig. 3.
Wherein: 14. bracing frames, 15. lock pin, 16. bearing block, 17. front roll, 18. load belt, 19. back roll, 20. operation handle, 21. pylon main body, 22. staircase, 23. front roll support plate, 24. the first guide rail, 25. the first leading screw, 26. the first shaft coupling, 27. the first driven sprocket, 28. the first chain, 29. the first drive sprocket, 30. operating platform, 31. the second guide rail, 32. the second leading screw, 33. the second shaft coupling, 34. back roll support plate, 35. the second drive sprocket, 36. the second driven sprocket, 37. the second chain, 38. the first feed screw nut, 39. the second feed screw nut, 40. slide block.
Fig. 5: ballast box vibration absorber schematic diagram.
The top view of Fig. 6: Fig. 5.
Fig. 7: ballast box vibration absorber is applied in ballast box schematic diagram.
Wherein: 41 pylon H steel, 42 guide wheel shafts, 43 torsionsprings, 44 guide wheels, 45 bearings, 46 ballast boxes, 47 wheel stands, 48 guide wheel support arms, 49 torsionspring axles, 50 first guide wheels, 51 second guide wheels, 52 the 3rd guide wheels, 53 four guide idlers.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described:
With reference to accompanying drawing 1 and accompanying drawing 2, the tower linear oil pumping machine in the present embodiment includes base 8 and pylon 21, driving mechanism, drive mechanism, well workover shift unit 4, oil well polished rod 7.
Base 8 is positioned at the directly contact face, bottom of complete machine.Driving mechanism is made up of motor 1 and decelerator 2, and driving mechanism bolt is fixedly mounted on base, and the outfan of motor 1 input by driving belt connection reducer 2, motor 1 is on the right of decelerator 2.The outfan of decelerator 2 connects the drive sprocket 13 of drive mechanism.
Drive mechanism includes drive sprocket 13, driven sprocket 11, chain 12, crank throw 3, comes and goes frame 10, ballast box 9, load belt 5 and polished rod eye 6.Drive sprocket 13 and driven sprocket 11 is connected by chain 12, and crank throw 3 is fixed on chain 12, come and go frame 10 fix with crank throw 3 be connected, ballast box 9 is weldingly fixed on round frame 10 upper end;Load belt 5 one end is connected to ballast box upper end, and the other end walks around the well workover shift unit on pylon top, is connected on polished rod eye 6;Polished rod eye 6 connects oil well polished rod 7.
After during the work of tower linear oil pumping machine, motor 1 is slowed down by belt transmission reduction box 2, driving drive sprocket 13 to rotate, drive sprocket drives chain 12 to move between drive sprocket and driven sprocket, and chain passes through crank throw, drive and come and go frame, come and go frame and drive ballast box to move up and down.Walk around well workover shift unit in the upper end of ballast box, round frame by load belt and be connected to the polished rod eye 6 hanging polished rod 7.The upper and lower vertical back and forth movement of round frame 10 is passed to polished rod 7 and sucker rod correspondingly carries out upstroke and down stroke, it is achieved the purpose of oil pumping.
With reference to accompanying drawing 3 and accompanying drawing 4, well workover shift unit is made up of bracing frame and operating platform, cylinder mechanism, shift mechanism and displacement driving mechanism.
Bracing frame is weldingly fixed on the top of pylon main body, and operating platform is welded and fixed the periphery of bracing frame, and staircase is welded in the right side of pylon main body and is parallel to pylon main body, for operator's down operation platform.
Shift mechanism includes two groups of guide rails being parallel to each other, the first guide rail and the second guide rail and is securedly mounted to bracing frame upper surface with bolt respectively.
Cylinder mechanism includes the front roll and the back roll that are parallel to each other, and front roll support plate is anchored on bolt on four slide blocks of the first guide rail and the second guide rail left end respectively, and back roll support plate bolt is fastened on bracing frame.Front roll and back roll bearing block are fastened respectively to front roll support plate and the middle part of back roll support plate, and load belt walks around front roll and back roll.Lock pin is arranged on the lower-left end of front roll support plate, forms lock pin constraint with bracing frame.
Displacement driving mechanism includes operation handle, drive sprocket, two groups of motions.Often group motion includes leading screw, shaft coupling, displacement driven sprocket and chain.First leading screw is parallel to the first guide rail, and the left end of the first leading screw is anchored on front roll support plate with the first feed screw nut, and the right-hand member bearing block of the first leading screw is anchored on back roll support plate.Second leading screw is parallel to the second guide rail, and the left end of the second leading screw is anchored on front roll support plate with the second feed screw nut, and the right-hand member bearing block of the second leading screw is anchored on back roll support plate.The right-hand member of the first leading screw and the second leading screw is connected to the first shaft coupling and the second shaft coupling on the sprocket shaft of the first displacement driven sprocket and the second displacement driven sprocket respectively;First displacement chain connects the first displacement driven sprocket and the first drive sprocket, and the second displacement chain connects the second drive sprocket and the second displacement driven sprocket.First drive sprocket and the second drive sprocket are coaxial, and operation handle is connected to the right-hand member of the sprocket shaft of the first drive sprocket and the second drive sprocket.
During operation, operator climbs to operating platform along the staircase of pylon body side, open lock pin, rotating operation handle, the first drive sprocket and the second drive sprocket is driven to rotate, shift chain by second and the first displacement chain-driving second shifts driven sprocket and the first displacement driven sprocket rotates, drive the second leading screw and the first leading screw to rotate by the second shaft coupling and the first shaft coupling simultaneously, pull front roll support plate along the second guide rail and the first guide rail movement, thus conceding the space before pylon, install and use for workover rig.During return, rotate backward operation handle.During normal operation, front roll support plate lock pin locks.
With reference to accompanying drawing 7, a ballast box vibration absorber is respectively installed in ballast box corner, and with reference to accompanying drawing 5 and accompanying drawing 6, ballast box vibration absorber includes wheel stand, torsionspring axle, torsionspring, guide wheel support arm, guide wheel shaft, guide wheel.
Wheel stand is weldingly fixed on the ballast box of tower linear oil pumping machine.Torsionspring axle is fixed on wheel stand, and two torsionsprings are enclosed within torsionspring axle, and one end of torsionspring is fixedly connected on wheel stand, and the other end is fixedly connected on guide wheel support arm.Two pieces of guide wheel support arms are arranged on the two ends of torsionspring axle, and guide wheel support arm one end and torsionspring axle are rotatably assorted, and the other end is fixing with one end of guide wheel shaft to be connected.Guide wheel shaft is parallel with torsionspring axle.Guide wheel is arranged on guide wheel shaft by bearing, and under torsionspring twisting force, guide wheel contacts with the pylon H steel of tower linear oil pumping machine.
Do upstroke during tower linear oil pumping machine normal operation and motion that down stroke circulates continuously, upstroke motion with down stroke motion alternately time, ballast box can produce inertia force to the left and to the right.When tower-type pumping unit moves in upstroke, ballast box under inertia force effect to the left to left movement, now guide wheel 50 stress in the ballast box lower left corner is maximum, guide wheel 53 stress in the upper left corner is taken second place, two guide wheels 51 and guide wheel 52 stress on the right are minimum, guide wheel 50 and 53 ballast boxes of guide wheel cushioned to H steel impulsive force to the left;When tower-type pumping unit moves in down stroke, ballast box moves right under inertia force effect to the right, now guide wheel 52 stress in the ballast box lower right corner is maximum, guide wheel 51 stress is taken second place, two guide wheels 53 on the left side and guide wheel 50 stress are minimum, guide wheel 52 and 51 ballast boxes of guide wheel cushioned to H steel impulsive force to the right;The continuous shuttling movement of such up-down stroke, has been cushioned ballast box to get off to the impulsive force of from left to right to H steel by the guide wheel of the right and left respectively, and ballast box has reached effectiveness in vibration suppression significantly.When tower-type pumping unit does not work, four guide wheels are in stress balance state.

Claims (4)

1. a tower linear oil pumping machine, it is characterised in that: include base and pylon, driving mechanism, drive mechanism, well workover shift unit, oil well polished rod;Driving mechanism is fixedly mounted on base, and driving mechanism drive transmission device operates;Drive mechanism includes drive sprocket, driven sprocket, chain, crank throw, comes and goes frame, ballast box, load belt and polished rod eye;Drive sprocket is connected by chain with driven sprocket, and crank throw is fixed on chain, come and go frame and crank throw fix be connected, ballast box is fixedly connected on round frame upper end;Load belt one end is connected to ballast box upper end, and walks around the well workover shift unit on pylon top, and the other end is connected on polished rod eye;Polished rod eye connects oil well polished rod;
Described well workover shift unit is made up of bracing frame and operating platform, cylinder mechanism, shift mechanism and displacement driving mechanism;Bracing frame and operating platform are fixed on pylon top;Shift mechanism includes the many groups of guide rails being parallel to each other, and guide rail is fixed on bracing frame upper surface;Cylinder mechanism includes the front roll and the back roll that are parallel to each other, and front roll is arranged on the slide block of guide rail by front roll support plate, and back roll is fixed on bracing frame by back roll support plate, and load belt walks around front roll and back roll;Displacement driving mechanism includes driving handle, drive sprocket, two groups of motions, and often group motion includes leading screw, shaft coupling, minor sprocket and displacement chain;Leading screw and guide rail parallel, leading screw one end coordinates with the feed screw nut being fixed on front roll support plate, the leading screw other end and the bearing fit being fixed on back roll support plate, and connects minor sprocket by shaft coupling, minor sprocket connects drive sprocket, drive sprocket handle drives driven by shifting chain.
2. a kind of tower linear oil pumping machine according to claim 1, it is characterised in that: there is lock pin to retrain between front roll support plate and bracing frame.
3. a kind of tower linear oil pumping machine according to claim 2, it is characterized in that: a ballast box vibration absorber is respectively installed in ballast box corner, and described ballast box vibration absorber includes wheel stand, torsionspring axle, torsionspring, guide wheel support arm, guide wheel shaft, guide wheel;Wheel stand is fixed on ballast box, and torsionspring axle is fixed on wheel stand, and two torsionsprings are enclosed within torsionspring axle, and one end of torsionspring is fixedly connected on wheel stand, and the other end is fixedly connected on guide wheel support arm;Two pieces of guide wheel support arms are arranged on the two ends of torsionspring axle, and guide wheel support arm one end and torsionspring axle are rotatably assorted, and the other end is fixing with one end of guide wheel shaft to be connected;Guide wheel shaft is parallel with torsionspring axle;Guide wheel is arranged on guide wheel shaft by bearing, and under torsionspring twisting force, guide wheel contacts with pylon H steel.
4. a kind of tower linear oil pumping machine according to claim 3, it is characterised in that: oil pumper is also equipped with photographic head and transmitter, the jig frequency of record oil pumper and liquid outlet quantity data, and long-distance transmissions is to doing building site point.
CN201410474694.2A 2014-09-17 2014-09-17 A kind of tower linear oil pumping machine Active CN104234670B (en)

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Application Number Priority Date Filing Date Title
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CN104234670B true CN104234670B (en) 2016-07-20

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108533230B (en) * 2018-07-14 2024-02-13 克拉玛依市圣起钻采设备有限责任公司 Tower type chain drive oil pumping unit
CN109322642A (en) * 2018-12-09 2019-02-12 杭州中油智井装备科技有限公司 A kind of tower-type pumping unit suspension point X is to adjustment and well workover resigning mechanism

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2043283U (en) * 1989-02-22 1989-08-23 机电部兰州石油机械研究所 Wide-band type long-stroke oil extractor
RU2283969C1 (en) * 2005-05-13 2006-09-20 Открытое акционерное общество "Татнефть" им. В.Д. Шашина Sucker-rod pump drive
CN102838060A (en) * 2011-06-24 2012-12-26 濮阳市信宇石油机械化工有限公司 Tower type oil pumping unit relocation device
CN203559874U (en) * 2013-10-18 2014-04-23 西南石油大学 Novel gear-and-rack type oil pumping unit
CN203702102U (en) * 2014-02-21 2014-07-09 西安航空动力股份有限公司 Moving mechanism for well repair applicable to tower type oil pumping unit

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Address after: 710021 Xu Jia Bay, Xi'an, Shaanxi, Beijiao

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