CN102536173A - Lever system for oil pumping machine - Google Patents
Lever system for oil pumping machine Download PDFInfo
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- CN102536173A CN102536173A CN2012100474102A CN201210047410A CN102536173A CN 102536173 A CN102536173 A CN 102536173A CN 2012100474102 A CN2012100474102 A CN 2012100474102A CN 201210047410 A CN201210047410 A CN 201210047410A CN 102536173 A CN102536173 A CN 102536173A
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- chain
- lever system
- pull bar
- walking beam
- oil pumper
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- 238000005086 pumping Methods 0.000 title abstract description 7
- 241001023788 Cyttus traversi Species 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims description 44
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000001939 inductive effect Effects 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 30
- 230000000694 effects Effects 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
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Abstract
The invention discloses a lever system for an oil pumping machine. The lever system comprises a main bracket, a walking beam, a horse head, a pull rod, a first driving device, a detecting device, a rail, a sliding base, a counterweight and a second driving device, wherein the detecting device is arranged on a machine frame and is used for detecting the upward or downward moving state of the pull rod; the rail is formed on the pull rod side of the walking beam; the sliding base is matched with the rail and is formed into a rail pair; the counterweight is arranged on the sliding base; the second driving device is used for keeping the balance of the system according to the state of the pull rod detected by the detecting device; and the horse head and the pull rod are both located on the same side of the main bracket. In the lever system provided by the invention, the horse head and the pull rod are arranged on the same side of a hinge supporter point of the main bracket and the walking beam, so that the force endured by a hinge supporter during an oil extracting process is efficiently reduced, the abrasion of a hinge supporter rotating shaft is reduced and the service life of the walking beam is efficiently prolonged. The frequent exchanging of the walking beam and the hinge supporter of the main bracket is avoided, and the efficiency of extracting raw oil is ensured.
Description
Technical field
The present invention relates to a kind of oil pumper lever system.
Background technology
Present widely used oil pumper is a beam pumping unit; Its agent structure is a leverage, is called the walking beam system in the industry, and an end of lever is the horse head that is connected with sucker rod; The other end is a drive end; Link to each other with a crank through pull bar, the end of crank is provided with the bigger counterweight of a weight ratio, utilizes the characteristic of direction and the appearance not of uniform size of active force in the crank 360 degree scopes to realize the driving of lever.The oil pumper of this structure, each cycle outputting power that crank rotates is constant basically, is in higher power output state all the time, is in the highly energy-consuming state in other words, and highly energy-consuming also is the more insoluble problem of such oil pumper.
For this reason; China CN101408099A discloses a kind of Weight dropper machine control lever type petroleum oil pumping machine, and referring to Figure of description 1, its basic structure is that it comprises support 7, the hinged walking beam 8 on this support 7 in middle part; And the horse head 9 that is used to connect sucker rod 10 that is packed in walking beam one end; The other end of walking beam then is fixed with a weight 6, and this oil pumper also contains a pulley system, this pulley system contain one be installed in said weight bottom movable pulley 4; Solve drive unit through the combination of pulley and the control of rope stretching, such as the excessive problem of hoist engine power output.Though this oil pumper scheme can realize the excessive problem of former dynamic component power through the combination of movable pulley; But because pulley is to reduce the firmly size on each root wire rope through rope stretching control; But whole motion path is elongated, and power consumption has no reduction.And because the moment of horse head end must can make sucker rod descending greater than the weight end, wire rope is in tensioning state all the time, and the labor-saving effect neither be clearly.
It is by oil production equipment that Chinese CN201047273Y then discloses a kind of, referring to Figure of description 2, also comprises a walking beam 8, is called the oil pumping lever in the literary composition; And be provided with hinged cylinder device at said walking beam middle part, an end hinge of walking beam connect with a fixed support 13 on, the other end is for connecting the horse head of sucker rod, in fact its basic structure is that a hinge parts of leverage have become power part; Obviously, this structure labor-saving effect is inevitable very poor, a hinge, and the piston 14 of cylinder device is wanted nearly all weight of support lever system in other words; Also to support the weight of sucker rod, and sucker rod hundreds of rice easily, even go up km; Gross weight has several tons of weights, and the middle part is supported and will be held in the weight that doubles the horse head end, and not only power consumption is big; And load is very big, to hydraulic system require highly, lack necessary realization and be worth.
The patent No. is that CN201120059343.7, denomination of invention are in the utility model patent file of " oil pumper lever system "; A kind of oil pumper lever is specifically disclosed; Wherein horse head and pull bar lay respectively at the both sides of main support; In horse head rose the process transport crude oil, the downward pulling force of counterweight rotary device, walking beam, horse head, crude oil and motor had all acted on the hinged of walking beam and main support and has gone out; Advance operation after a while, this place hinged very easily takes place tired and damages, and not only repairs very inconvenience, but also can have a strong impact on production.
Summary of the invention
In view of this, output requires than higher defective to power in order to overcome the big and ubiquity of present oil pumper power consumption in the present invention, provide a kind of not only consume energy little, and power output part power output also smaller oil pumper lever system relatively.
The present invention adopts following technical scheme:
This invention oil pumper lever system comprises:
Main support;
Walking beam, the middle part is through the hinged said main support top that is installed in;
Horse head is arranged at an end of said walking beam;
Pull bar, this pull bar upper end is hinged on the walking beam;
First drive unit, the output link of this drive unit links to each other with said pull bar, and drives said pull bar and move up and down;
Checkout gear is arranged on and is used to detect the up or descending state of said pull bar on the frame;
Track, this track is fixed on the other end of walking beam;
Slide cooperates the formation track secondary with said track;
Counterweight is arranged on the said slide;
Second drive unit according to the pull bar state that said checkout gear detects, drives said slide operation, keeps system balancing;
Its special feature is:
The pin joint of said pull bar and walking beam is between horse head and main support.
Adopted the mode of the counterweight of moving about according to the oil pumper lever system of technical scheme of the present invention, when horse head is descending, when just counterweight should be up; Counterweight moves to hinged; This side force square reduces, and has reduced the energy consumption of first drive unit, and has reduced the driving moment of first drive unit; Correspondingly, when horse head was up, when just counterweight should be descending, counterweight was away from hinged, and the moment of this side increases, and has also reduced the energy consumption of first drive unit, and has reduced the driving moment of first drive unit.Thereby; Counterweight is the balancing weight that fixedly installs no longer just here, but the ingredient that can adjust according to the running status of horse head moves on the direction that operates in basic horizontal of counterweight; It is little that self-position moves needed energy consumption; Can significantly cut down the consumption of energy on the whole, simultaneously, for the also corresponding reduction of power output requirement of first drive unit.Meanwhile, in the descending process of horse head, the effect that counter weight device, walking beam, pull bar and horse head are made a concerted effort is born at the hinged place of main support and walking beam, and this is less with joint efforts, can not cause damage to hinged; In the process of the up output oil of horse head, the weight that the power that bear at hinged place equals counter weight device, walking beam, pull bar and crude oil deducts the driving force of pull bar.This compares with the walking beam structure that pull bar and horse head lay respectively at the main support both sides, and hinged holding capacity reduces greatly, has reduced the wearing and tearing to hinged rotating shaft, has effectively increased the application life of walking beam.
Above-mentioned oil pumper lever system; Said first drive unit comprises second chain-drive mechanism and the driving device that drives this second chain-drive mechanism of vertical setting; The line of centres of wherein said second chain-drive mechanism is vertical, and its cuff link bearing pin be provided with one be used to connect said pull bar the bearing pin that drags.
Above-mentioned oil pumper lever system, said second chain-drive mechanism contain parallel plane two the identical chain-drive mechanisms of chain ring, and drive sprocket is all in bottom, and the said bearing pin that drags is on corresponding a pair of cuff link bearing pin between two chain-drive mechanisms.
Above-mentioned oil pumper lever system, two drive sprockets of said second chain-drive mechanism are coaxially set, and link to each other through lazy-tongs.
Above-mentioned oil pumper lever system, said checkout gear are photoelectric sensor, and correspondingly, an inductive means flatly extends in the vertical connecting rod lower end in institute, and the track of this inductive means is through said photoelectric sensor induction region.
Above-mentioned oil pumper lever system, said checkout gear be positioned at said pull bar lower end operation top dead centre and lower dead center near switch.
Above-mentioned oil pumper lever system, said driving device comprise the tape handler and first chain-drive mechanism of first motor and transmission successively, and wherein the follower of first chain biography transmission mechanism is coaxial with the driving wheel of said second chain-drive mechanism.
Above-mentioned oil pumper lever system, said track are provided with the stroke protective device excessively of said slide.
Above-mentioned oil pumper lever system, said track is provided with the tooth bar on the slide block traffic direction, and the output shaft of said second drive unit then is provided with the gear that cooperates with said tooth bar.
Above-mentioned oil pumper lever system, said main support and said first drive unit have common base.
The invention has the beneficial effects as follows: the present invention is logical to be arranged at the same side of main support and the hinged point of walking beam with horse head and pull bar, has reduced in the oil recovery process hinged stressedly effectively, has reduced the wearing and tearing of hinged rotating shaft, has prolonged the application life of walking beam effectively.Avoid the hinged frequent change of walking beam and main support, guaranteed oil extraction efficient.
Description of drawings
Below in conjunction with Figure of description technical scheme of the present invention is detailed, wherein:
Fig. 1 is a kind of structure principle chart of existing oil pumper.
Fig. 2 is the structure principle chart of another kind of existing oil pumper.
Fig. 3 is the structure principle chart according to a kind of oil pumper lever system of technical scheme of the present invention.
Fig. 4 is the fit structure sketch map of the pull bar and second chain-drive mechanism.
Among the figure: 1, hoist engine, 2, angle pulley, 3, wire rope, 4, movable pulley, 5, fixed pulley, 6, weight; 7, support, 8, walking beam, 9, horse head, 10, sucker rod, 11, hydraulic cylinder, 12, hydraulic pump; 13, fixed support, 14, piston, 15, breeding, 16, second motor, 17, slide, 18, track; 19, hinged, 20, polished rod eye, 21, base, 22, main support, 23, first motor; 24, tape handler, 25, first chain-drive mechanism, 26, second chain-drive mechanism, 27, drag bearing pin, 28, pull bar.
The specific embodiment
According to the present invention, with reference to Figure of description 3, it shows a kind of oil pumper lever system, comprising:
Horse head 9 is arranged at an end of said walking beam, is the sucker rod side, connects sucker rods through polished rod eye 20, and sucker rod is installed on the flow tee of well head through well head packing seat;
First drive unit, the output link of this drive unit links to each other with said pull bar, and drives said pull bar and move up and down; Based on the basic principle of leverage, move up and down as long as can produce, just can form driving to leverage; Obviously, the device that satisfies this requirement mechanically is very general, such as straight-line pinion and rack, screw screw mechanism; The crank that rotates also has component motion up and down, and original beam pumping unit is exactly moving up and down of realizing of this structure of usefulness, and rotation is changeed straight-line mechanism and also can be used; Pinion and rack is a kind of at last, and cam mechanism also can use;
Checkout gear is arranged on and is used to detect the up or descending state of said pull bar on the frame, and frame is a member motionless in the mechanism; Sometimes also can be taken as body, perhaps 3 kinds of parts that are analogous to support of accompanying drawing mainly are with respect to pull bar; Pull bar moves, and is inactive as the member of frame, in view of the above; Those skilled in the art is provided with checkout gear for ease, is very easy to select said frame;
Second drive unit according to the pull bar state that said checkout gear detects, keeps walking beam in the process that rises and descend, to be in equilibrium state all the time.
Obviously based on said structure, a lot of structures of existing beam pumping unit can be applied on this programme, and its applicability still is more intense.
Preferably; Said first drive unit comprises second chain-drive mechanism 26 and the driving device that drives this second chain-drive mechanism of vertical setting; The line of centres of wherein said second chain-drive mechanism is vertical, and its cuff link bearing pin be provided with one be used to connect said pull bar drag bearing pin 27.Chain-drive mechanism has reasonable impact resistance, and noise is also little than gear drive, and safeguards more conveniently, and the repairing that need not continue is lubricated.Use drags the bearing pin servo-actuated in chain ring, and the preferred construction that realization moves up and down is simple in structure, also satisfies heavy load transmission simultaneously.
Said second chain-drive mechanism contains parallel plane two the identical chain-drive mechanisms of chain ring, and drive sprocket is all in bottom, and the said bearing pin that drags is on corresponding a pair of cuff link bearing pin between two chain-drive mechanisms; Can guarantee powerdriven stationarity; Mainly be that single chain drive also can be used, receive bigger torque reaction, be easy to generate distortion but the cuff link bearing pin that drags bearing pin is installed; Cuff link was lost efficacy in advance; Might produce in addition and take off chain, use two same chain transmission mechanisms to be used then so and can eliminate semi girder, guarantee reliability of structure.
Synchronous in order to guarantee, two drive sprockets of said second chain-drive mechanism are coaxially set, and link to each other through lazy-tongs; Simple a kind of method is the individual coaxial driven gears that are provided with of two drive sprockets; Then below establish one and correspondingly be provided with two gear shafts with the driving gear of driven gear engagement, avoid dragging bearing pin and get final product, other lazy-tongs structure is understood complicacy a bit; Establish two synchronous output shafts such as gear-box; Perhaps adopt chain-drive mechanism, two coaxial drive sprockets also can be realized by movable sprocket being provided with accordingly on second chain-drive mechanism.
About said checkout gear, a kind of preferable selection is that said checkout gear is a photoelectric sensor; Correspondingly, an inductive means flatly extends in the vertical connecting rod lower end in institute, and the track of this inductive means is through said photoelectric sensor induction region; Certainly, also one group of photoelectric sensor can only be set, be arranged on the middle part of second chain-drive mechanism; Effect is poor slightly, also can use.
About checkout gear another kind of preferable selection be said checkout gear be positioned at the operation of said pull bar lower end top dead centre and lower dead center near switch, this structure is more typical, antijamming capability is stronger.
Certainly, can also use intelligent element to be configured according to the cycle of operation of second chain-drive mechanism.
Said driving device comprises the tape handler 24 and first chain-drive mechanism 25 of first motor 23 and transmission successively; Wherein the follower of first chain biography transmission mechanism is coaxial with the driving wheel of said second chain-drive mechanism; Can satisfy the design on the transmission wall, reduce the noise of gear drive.
For the safety that guarantees to move, said track is provided with the stroke protective device excessively of said slide.What also need further specify here is that counterweight can be moved fast and put in place, with energy efficient; Nearly hinged stop and two positions of former hinged stop are thought in the position that puts in place here, if be set at T to the cycle of second chain-drive mechanism, putting in place fast so here preferably is controlled in 1/16 T; Certainly; Can not be too fast, not so can produce bigger impact, be preferably in 0.06T ~ 0.1T.
A kind of preferable selection is that said track is provided with the tooth bar on the slide block traffic direction, and the output shaft of said second drive unit then is provided with the gear that cooperates with said tooth bar, and transmission performance is good, does not have sliding friction, and controllability is good.
In order to improve whole stationarity, said main support and said first drive unit have common base 21, make load equally loaded as much as possible.
A kind of preferable scheme is that said first drive unit is an electric driver; And the drive circuit of this first drive unit is provided with the sensor of detection size of current to obtain the load condition of first drive unit; And then control said second drive unit through the control circuit that said sensor connected; Move on the direction that cooperates said checkout gear that slide is moved and put in place so that the load of first drive unit is in equilibrium state; What make counterweight is not only the change on the simple direction, and can control accurately from amount, makes the whole stroke of pull bar be in a kind of state stably basically; Thereby, can make second drive unit be in a kind of duty stably basically.The collection of circuital current is to be relatively easy to, and such as the current sensor that adopts induction type, disposes also very conveniently, according to said structure, have and more control effect, and energy-saving effect is better.
Claims (10)
1. oil pumper lever system comprises:
Main support (22);
Walking beam (8), the middle part is through hinged said main support (22) top that is installed in;
Horse head (9) is arranged at an end of said walking beam;
Pull bar (28), this pull bar upper end is hinged on the walking beam;
First drive unit, the output link of this drive unit links to each other with said pull bar, and drives said pull bar and move up and down;
Checkout gear is arranged on and is used to detect the up or descending state of said pull bar on the frame;
Track (18), this track is fixedly installed on the other end of walking beam;
Slide (17) cooperates the formation track secondary with said track;
Counterweight (15) is arranged on the said slide;
Second drive unit according to the pull bar state that said checkout gear detects, drives said slide operation, keeps system balancing;
It is characterized in that:
The pin joint of said pull bar and walking beam is between horse head and main support.
2. oil pumper lever system according to claim 1; It is characterized in that: said first drive unit comprises second chain-drive mechanism (26) of vertical setting and drives the driving device of this second chain-drive mechanism; The line of centres of wherein said second chain-drive mechanism is vertical, and its cuff link bearing pin be provided with one be used to connect said pull bar drag bearing pin (27).
3. oil pumper lever system according to claim 2; It is characterized in that: said second chain-drive mechanism contains parallel plane two the identical chain-drive mechanisms of chain ring; And drive sprocket is all in bottom, and the said bearing pin that drags is on corresponding a pair of cuff link bearing pin between two chain-drive mechanisms.
4. oil pumper lever system according to claim 3 is characterized in that: two drive sprockets of said second chain-drive mechanism are coaxially set, and link to each other through lazy-tongs.
5. according to the arbitrary described oil pumper lever system of claim 1 to 4; It is characterized in that: said checkout gear is a photoelectric sensor; Correspondingly, an inductive means flatly extends in the vertical connecting rod lower end in institute, and the track of this inductive means is through said photoelectric sensor induction region.
6. according to the arbitrary described oil pumper lever system of claim 1 to 4, it is characterized in that: said checkout gear be positioned at said pull bar lower end operation top dead centre and lower dead center near switch.
7. according to the arbitrary described oil pumper lever system of claim 2 to 4; It is characterized in that: said driving device comprises the tape handler (24) and first chain-drive mechanism (25) of first motor (23) and transmission successively, and wherein the follower of first chain biography transmission mechanism is coaxial with the driving wheel of said second chain-drive mechanism.
8. oil pumper lever system according to claim 1 is characterized in that: said track is provided with the stroke protective device excessively of said slide.
9. according to claim 1 or 8 described oil pumper lever systems, it is characterized in that: said track is provided with the tooth bar on the slide block traffic direction, and the output shaft of said second drive unit then is provided with the gear that cooperates with said tooth bar.
10. oil pumper lever system according to claim 1; It is characterized in that: said first drive unit is an electric driver; And the drive circuit of this first drive unit is provided with the sensor of detection size of current to obtain the load condition of first drive unit; And then control said second drive unit through the control circuit that said sensor connected, cooperate said checkout gear to make to move on the direction of slide operation to put in place so that the load of first drive unit is in equilibrium state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100474102A CN102536173A (en) | 2012-02-28 | 2012-02-28 | Lever system for oil pumping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100474102A CN102536173A (en) | 2012-02-28 | 2012-02-28 | Lever system for oil pumping machine |
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| CN102536173A true CN102536173A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100474102A Pending CN102536173A (en) | 2012-02-28 | 2012-02-28 | Lever system for oil pumping machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6254490B1 (en) * | 2000-03-31 | 2001-07-03 | Sydney William Lawson | Automated swinging device |
| CN2553109Y (en) * | 2002-04-24 | 2003-05-28 | 汪朴澄 | Floor type balance box beam-pumping unit |
| CN201013314Y (en) * | 2006-07-24 | 2008-01-30 | 汪朴澄 | Enclosed storied building type balance box beam-pumping unit |
| CN102155186A (en) * | 2011-03-09 | 2011-08-17 | 吕传庆 | Lever system for pumping unit |
| CN202718662U (en) * | 2012-02-28 | 2013-02-06 | 吕传庆 | Lever system for oil pumping unit |
-
2012
- 2012-02-28 CN CN2012100474102A patent/CN102536173A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6254490B1 (en) * | 2000-03-31 | 2001-07-03 | Sydney William Lawson | Automated swinging device |
| CN2553109Y (en) * | 2002-04-24 | 2003-05-28 | 汪朴澄 | Floor type balance box beam-pumping unit |
| CN201013314Y (en) * | 2006-07-24 | 2008-01-30 | 汪朴澄 | Enclosed storied building type balance box beam-pumping unit |
| CN102155186A (en) * | 2011-03-09 | 2011-08-17 | 吕传庆 | Lever system for pumping unit |
| CN202718662U (en) * | 2012-02-28 | 2013-02-06 | 吕传庆 | Lever system for oil pumping unit |
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Application publication date: 20120704 |