CN102808602A - Automatic speed-changing wide-swing-angle oil pumping machine - Google Patents

Automatic speed-changing wide-swing-angle oil pumping machine Download PDF

Info

Publication number
CN102808602A
CN102808602A CN2012103021871A CN201210302187A CN102808602A CN 102808602 A CN102808602 A CN 102808602A CN 2012103021871 A CN2012103021871 A CN 2012103021871A CN 201210302187 A CN201210302187 A CN 201210302187A CN 102808602 A CN102808602 A CN 102808602A
Authority
CN
China
Prior art keywords
crank wheel
rocking arm
gear
gearbox
connector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012103021871A
Other languages
Chinese (zh)
Other versions
CN102808602B (en
Inventor
李兆胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deyang Zhenhua mechanical equipment manufacturing Co., Ltd.
Original Assignee
李兆胜
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 李兆胜 filed Critical 李兆胜
Priority to CN201210302187.1A priority Critical patent/CN102808602B/en
Publication of CN102808602A publication Critical patent/CN102808602A/en
Application granted granted Critical
Publication of CN102808602B publication Critical patent/CN102808602B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention relates to the technical field of oil extraction machinery, in particular to an automatic speed-changing wide-swing-angle oil pumping machine. The automatic speed-changing wide-swing-angle oil pumping machine comprises an electric motor, a speed changing mechanism, a swing arm support, a swing arm arranged on the swing arm support, a support provided with a fixed pulley and a wellhead oil pumping device, wherein the speed changing mechanism is connected with a driving crankshaft wheel, the driving crankshaft wheel is meshed with a driven crankshaft wheel, the driving crankshaft wheel is connected with a connecting piece through a bearing, one end of the connecting piece is connected with the driven crankshaft wheel, the other end of the connecting piece is connected with the swing arm through a connecting rod, a sliding chute is arranged on the connecting piece of which one end is connected with the driven crankshaft wheel, and a bearing on the driven crankshaft wheel is sleeved in the sliding chute. The automatic speed-changing wide-swing-angle oil pumping machine disclosed by the invention has the advantages that when the two crankshaft wheels are in rotation, since the position of the bearing of a driven pulley is changed, the position of the connecting piece can be also correspondingly changed, a motion trail of the connecting rod is affected by the motion of the connecting piece, the speed of the wellhead oil pumping device in the up-stroke is higher than that in the down-stroke, the oil leakage problem existing in an oil pumping process is avoided, and the oil pumping efficiency is increased.

Description

From the wide pivot angle oil pumper of speed change
Technical field
The present invention relates to the oil recovery machiner technical field, is a kind of from the wide pivot angle oil pumper of speed change specifically.
Background technology
Traditional beam pumping unit is after once slowing down through motor; Connect linkage, make the crank up campaign again, do upper and lower reciprocating motion thereby drive sucker rod; Realize the oil pumping function; The upstroke of oil pumping this moment is identical with the speed of down stroke, and stroking distance is from identical, and the time that is consumed is also identical.But in the work of reality; The situation of edge abrasion can appear in the oil rig that is arranged in underground passage after use a period of time, oil rig after the wearing and tearing and underground passage can produce the gap, if this moment, upstroke was consistent with the time that down stroke is consumed; The oil of up taking out then can be a large amount of from the gap toward dirty; If under the prerequisite that guarantees pumping efficiency, shorten the upstroke time of oil rig, then can effectively avoid the dirty problem of oil pumping.
Existing oil pumper also has pair improvement that the up-down stroke time is regulated; Like number of patent application is 200420084646.4; The day for announcing is 2005-9-14, and name is called the Chinese utility model patent of " from the variable speed energy conservation oil pumper ", and concrete technical scheme is following: a kind of from the variable speed energy conservation oil pumper; Comprise reduction box and sucker rod in the transmission mechanism, the power shaft of reduction box is rotationally connected through belt pulley and motor; It is characterized in that going up an installation director circle eccentric gear (6) at the output shaft (5) of said reduction box (2), pitch curve gear intermeshing with it (7) is installed on the deceleration box; It is that the curve of sealing of symmetry is formed that the girth of said pitch curve gear (7) is connected into the center of rotation by the plurality of sections curve, and its pitch curve equation R2 is in the formula: A is the center of rotation R2 and the R1 sum of pitch curve gear (7) and director circle eccentric gear (6); (6) rotary motion trace equation; D=A/r is relative center to center distance; ε=e/r is eccentricity; The girth of said pitch curve gear (7) equates with the circumference of said director circle eccentric gear (6); The crank-link mechanism (3) of the output shaft of said pitch curve gear (7) and oil pumper is rotationally connected.
Above-mentioned oil pumper is to realize fluid drive through being provided with intermeshing eccentric gear, realizes the effect that upstroke is slow, down stroke is fast.But this eccentric speed changing structure that is provided with, it is bigger to wear and tear, and in real work, because rotating speed is very fast, this speed changing structure was changed with regard to the problem of being prone in use in about 1 year,
Number of patent application is 201120146696.0 for another example; The day for announcing is 2011-11-16; Name is called the Chinese utility model patent of " pulley augmenting process beam pumping unit "; Its technical scheme is following: a kind of pulley augmenting process beam pumping unit is characterized in that comprising frame, walking beam, horse head, last movable pulley, following movable pulley, crossbeam connecting rod, load load-bearing band, sling device, motor, reducer and crank; Between the power output shaft of motor and the power input shaft of reducer transmission device is installed; On the power output shaft of reducer, crank is installed, the middle part of the walking beam that can swing up and down is hinged on the top of frame, and the upper end of crossbeam connecting rod is hinged on the right part of walking beam; The lower end of crossbeam connecting rod is hinged on the crank; Left end at walking beam is installed with horse head, movable pulley on the upper end of horse head installed inside has, and installed inside has following movable pulley at the middle part of horse head; The outside at horse head is equipped with leading block from top to bottom; On the frame below the horse head, be fixed with fixator, an end of load load-bearing band is fixed on the fixator, is fixed together with the sling device after the other end of load load-bearing band passes down movable pulley, last movable pulley and leading block successively; At crank or/and the right-hand member of walking beam is installed with counter weight device.
Comprehensive above patent; It adopts is that the reciprocating motion that traditional reducer and crank structure are realized horse head realizes oil pumping; But its reducer can only carry out bulk velocity adjustment to the rotating speed of crank, and crank structure is to have problem such as potential safety hazard in electric energy, the rotary course with regard to potential energy converting and energy not only occurring in real work, and existing speed changing structure all is to adopt gearbox or eccentric structure; Must refuel to increase lubricity to main shaft in the running; But after refueling, gearbox just is prone to the phenomenon of leakage of oil, can bring potential safety hazard.
Summary of the invention
In order to overcome in real work, the wear and tear problem of bigger and easy leakage of oil of upstroke overlong time that existing oil pumper exists and existing speed changing structure, a kind of speed changing structure abrasion resistance properties of special now proposition by force, need not add lubrication oil from the wide pivot angle oil pumper of speed change.
For realizing above-mentioned technique effect, technical scheme of the present invention is following:
A kind of from the wide pivot angle oil pumper of speed change; Comprise motor, gear, rocking arm pillar, be arranged on the rocking arm on the rocking arm pillar, the support that is provided with fixed pulley and well head oil rig; Said motor links to each other with gear, and the terminal lifting rope that is provided with of rocking arm connects the well head oil rig through fixed pulley on the support, it is characterized in that: said gear is connected with initiatively crank wheel; Initiatively crank wheel is engaged with driven crank wheel; Initiatively be connected with connector through bearing on the crank wheel, connector one end links to each other with driven crank wheel, and the connector other end links to each other with rocking arm through connecting rod; The link to each other connector of an end of said and driven crank wheel is provided with sliding tray, and the bearing holder (housing, cover) on the driven crank wheel is connected in the sliding tray.
Connector one end that said and driven crank wheel is connected is provided with arc bending, and the connector other end and connecting rod are for being fixedly connected.
The center of circle of said arc bending part place circle overlaps with the center of circle of driven crank wheel.
Said active crank wheel and driven crank wheel respectively are two; Each active crank wheel is symmetrical set with respect to gear; Each driven crank wheel is symmetrical set with respect to gear, and two initiatively connect through fixed mount between the crank wheel, also connect through fixed mount between the two driven crank wheels; Corresponding connector and connecting rod also respectively are provided with two, and two connecting rods all link to each other with rocking arm.
Said gear comprises bracing frame, the gearbox that links to each other with bracing frame, drives the initiatively double reduction gear box of crank wheel rotation; Said gearbox links to each other through the cross connecting axle with double reduction gear box; Said double reduction gear box is through gear and the initiatively outer engagement of crank wheel, and said motor links to each other with gearbox through belt pulley.
Said gearbox be slewing range at 1:1---5 grades of gearboxes of 7:1; Said double reduction gear box rotating ratio is 7:1; Be provided with the presser type clutch in the said gearbox; Be provided with brake gear between gearbox and the cross connecting axle, said reduction gearing is 10:1 with the rotating ratio of active crank wheel.
Said rocking arm and rocking arm pillar flexibly connect through rotating cylinder, and rocking arm is terminal for being obliquely installed, and is aligned in sequence with a plurality of connecting holes that are used for fixing lifting rope along the inclined plane; Said connecting rod links to each other with rocking arm through bearing.
Said fixed mount, support and rocking arm pillar all are arranged on the base; Be respectively arranged with the fixed bar of support fixation effect on said rocking arm pillar and the support; The said fixed bar other end is all fixed with base, is provided with crossbeam in the support upper end, and crossbeam is provided with fixed pulley; Crossbeam one end also is provided with the balance rope, and the balance rope other end is connected with base.
The invention has the advantages that:
1, between active crank wheel and driven crank wheel, be provided with connector, because connector one end is socketed on the driven crank wheel, the connector other end is fixedly connected connecting rod; So at two crank wheels in rotating process; Because the position of bearings of follow-up pulley changes, the position of connector also can correspondingly change, and the movement locus of connecting rod is influenced by the motion of connector; Thereby caused connecting rod slower than the speed that moves downward in the distance that moves upward; This has just caused the well head oil rig faster than the speed of down stroke in upstroke, upstroke speed sooner with regard to having avoided problem in oil pumping process, the problem includes: the leakage of oil problem, improved the efficient of oil pumping.
2, because connector one end is provided with sliding tray; So the bearing on the driven crank wheel can be when rotating; Utilize itself and the position of sliding tray relation to influence the movement locus of connector; Promptly changed the speed of service of the upper and lower stroke of well head oil rig through simple structure, avoided the use gearbox and added lubrication oil.
3, the present invention is provided with initiatively crank wheel and driven crank wheel, and driven crank wheel is except the effect of the movement locus that plays control link, because it is to be meshed with the active crank wheel, so can also play the initiatively effect of crank wheel of balance.Because initiatively crank wheel is in rotation process, the connecting rod that connects above that can move reciprocatingly, if there are not other counterweigh structures, initiatively crank wheel is easy to produce shakiness and run-off the straight.
4, the connector tail end is provided with the arc bending part; The arc bending part can make driven crank wheel when rotating a week; Bearing on it is because the cause of its movement locus; Can in chute, slide smoothly, and can not blocked and stop operating, guarantee two kinds of crank wheel smooth operation by chute.
5, initiatively crank wheel and driven crank wheel respectively are provided with two; And be symmetrical set in twos; Make crank wheel balance more in the process of motion like this; Two active crank wheels link to each other with rocking arm through two connecting rods respectively, have reduced the torsional forces fluctuation, the unstable problem of crank wheel of having avoided single crank wheel in motion process, to cause.
6, the gearbox of setting of the present invention is the one-level speed changing structure; Reduction box is the two stage speed change structure; Driving the crank wheel rotation by the reduction gearing in the reduction box is the three-step gear shift structure, adopts the three-step gear shift structure, has overcome the power output shaft leakage of oil problem on the reducer in the beam pumping unit; Also can adjust the jig frequency of oil pumper at any time easily according to on-site actual situations, the application life of having improved equipment; Adopt reduction gearing to drive crank wheel and rotate, the impact force that produces in the oil pumping process is all concentrated on the reduction gearing, guaranteed that crank wheel is stressed even in oil pumping process, be not easy to damage; Long service life, and in service in the upstroke and the down stroke of oil pumping, potential energy is the same; Can not produce pulse current, overcome the device damage problem that causes because of " rolling " phenomenon, and only need less torsional forces just can drive crank wheel rotation completion oil pumping process; Therefore use the motor of smaller power just can realize, when the diameter of reduction gearing be crank wheel diameter 1/10 the time, torsional forces can strengthen more than 10 times at least; Compare with beam pumping unit, the electric weight of consumption is few, and it is big that torsional forces strengthens figure place; Not only saves energy has also improved the oil pumping amount, has reduced cost of production; Flexibly connect through two connecting rods and rocking arm respectively and two crank wheels are set, then guaranteed the rocking arm stress balance, reduced the torsional forces fluctuation, safety is higher; Because the upper end of connecting rod and rocking arm flexibly connect, can regulate stroke through the link position that changes connecting rod and rocking arm, simple in structure, easy to operate.
7, among the present invention, said gearbox is the 5 gear gearboxes of slewing range at 1:1-7:1, and gearbox is provided with the action bars and the clutch of control gear, and action bars and clutch engagement are regulated the rotating speed of gearbox; Adopt the 5 gear gearboxes of slewing range at 1:1-7:1, when 1 gear, the power input shaft of gearbox changes 7 circles; Its power input shaft changes 1 circle, and when 5 gears, the power input shaft of motor changes 1 circle; Its power output shaft changes 1 circle, and this is the one-level speed changing structure, between 1 gear to 5 gear; Use action bars to cooperate speed change, can adjust the jig frequency of the rotating speed and the change oil pumper of crank wheel convenient as car gear shifting in the prior art, simply, compare with beam pumping unit with clutch; Reduce the plant machinery fault, improved the application life of equipment, can also improve the oil pump capacity of each extraction.The rotating ratio of said gearbox and reduction box is 7:1; This structure is the two stage speed change structure, and promptly the power input shaft of reduction box changes 7 circles, and its power output shaft changes 1 circle; This set-up mode is further adjusted the crank wheel rotating speed; It is more stable that oil pumper is moved in oil pumping process, and each oil mass that extracts is more, has significantly improved production efficiency.The rotating ratio of said reduction gearing and crank wheel is 10:1, and this structure is the three-step gear shift structure, i.e. the running of reduction gearing in the reduction box 10 circles; Crank wheel running 1 circle; This set-up mode concentrates on the reduction gearing stress point of oil pumper, and each point is stressed evenly on the crank wheel, and only needs the motor of smaller power just can make reduction gearing drive the crank wheel running; The electric weight that not only consumes is few, and torsional forces also can strengthen more than 10 times.
8, the end of rocking arm is a bending structure, and when rocking arm was being done circular arc and moved back and forth, its bending structure can effectively shorten the radius of circular arc, occupation space when reducing the rocking arm motion.
9, the present invention does not use traditional horse head and crank structure, but has adopted crank wheel, and the crank wheel structure is in rotation process; The potential energy converting and energy of having avoided in the past occurring is an electric energy; And then impacting the problem that electrical network produces the electrical network distortion, this is that the variation of height does not take place its overall positions because wheeled construction is when rotating; So the potential energy of each point totally is in equilibrium state, having avoided potential energy converting and energy is the situation of electric energy.
10, since double reduction gear box be through gear with mesh with the outer of active crank wheel; Can realize driving the initiatively purpose of crank wheel rotation with less torsion; Through the radius ratio row of change-speed gearing and active crank wheel are set, can realize the deceleration effect of 10:1 for the third time once more, and owing to be that gear driven initiatively directly rotates the crank wheel outer; So do not use the main shaft drives structure yet, avoided using the trouble of lubrication oil.
11, fixed pulley can change the direction of motion of lifting rope, about direction of motion change 180 degree with lifting rope, has played good guide.
12, the present invention is not only applicable to the mining operations of general oil, also is fit to the mining operations of centering low viscosity and high water-content crude oil.
13, overall weight of the present invention is about 9 tons, and is in light weight, and the beam pumping unit overall weight of similar stroke reaches more than 20 ton, compares with the beam pumping unit of similar stroke, and power saving is practiced thrift 2-4 times of steel more than 50%.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the distance speed sketch map of well head oil rig.
Motor 1, rocking arm pillar 2, rocking arm 3, fixed pulley 4, support 5, well head oil rig 6; Lifting rope 7, active crank wheel 8, driven crank wheel 9, bearing 10, connector 11, sliding tray 12; Arc bending 13, connecting rod 14, bracing frame 15, gearbox 16, reduction gear box 17, cross connecting axle 18, gear 19, rotating cylinder 20; Connecting hole 21, base 22, fixed bar 23, crossbeam 24, balance rope 25.
The specific embodiment
Referring to Fig. 1; Comprise motor 1, gear, rocking arm pillar 2, be arranged on the rocking arm 3 on the rocking arm pillar 2, the support 5 that is provided with fixed pulley 4 and well head oil rig 6 from the wide pivot angle oil pumper of speed change; Said motor 1 links to each other with gear; the terminal lifting ropes that are provided with 7 of rocking arm 3 connect well head oil rigs 6 through fixed pulley on the support 54, and the well head oil rig 6 here can be oil well pump or other existing pumping units, and said gear is connected with initiatively crank wheel 8; initiatively crank wheel 8 is engaged with driven crank wheel 9; initiatively be connected with connector 11 through bearing 10 on the crank wheel 8, connector 11 1 ends link to each other with driven crank wheel 9, and connector 11 other ends pass through connecting rod 14 and link to each other with rocking arm 3; the link to each other connector 11 of an end of said and driven crank wheel 9 is provided with sliding tray 12, and the bearing 10 on the driven crank wheel 9 is socketed in the sliding tray 12.Connector 11 is the sub-bearing of bipyramid with active crank wheel 8 and driven crank wheel 9 connecting places use.
Connector 11 1 ends that are connected with driven crank wheel 9 are provided with arc bending 13; The center of circle that arc bends 13 parts place circle overlaps with the center of circle of driven crank wheel 9; Like this when driven crank wheel 9 is rotating; Can be smoothly in connector 11 arcs bend the sliding tray 12 of 13 parts, slide, the problem that causes driven crank wheel 9 to stop operating because the sub-bearing of bipyramid is blocked by sliding tray 12 can not take place.Connector 11 other ends and connecting rod 14 are for being fixedly connected.Fixed connection can be welding or other existing known fixed connection modes.
Initiatively crank wheel 8 respectively is two with driven crank wheel 9; Each initiatively crank wheel 8 be symmetrical set with respect to gear; Each driven crank wheel 9 is symmetrical set with respect to gear, in actual production, for the not concrete restriction of quantity of active crank wheel 8 and driven crank wheel 9; Can be provided with three or a plurality of, but the quantity of active crank wheel 8 and driven crank wheel 9 must be consistent.Two initiatively connect through fixed mount between the crank wheel 8, also connect through fixed mount between the two driven crank wheels 9, and corresponding connector 11 also respectively is provided with two with connecting rod 14, and two connecting rods 14 all link to each other with rocking arm 3.The concrete structure of the fixed mount here comprises: the cross bar that the center of the cross bar that the central axis of the active crank wheel 8 that will be arranged side by side connects, the driven crank wheel 9 that will be arranged side by side connects and be connected with cross bar; The support body that plays fixation that is frame-like; Whole fixed mount can be placed on the base 22, also can directly be positioned over ground.
Said gear comprises bracing frame 15, the gearbox 16 that links to each other with bracing frame 15, drives the initiatively double reduction gear box 17 of crank wheel 8 rotations; Said gearbox 16 links to each other through cross connecting axle 18 with double reduction gear box 17; Said double reduction gear box 17 is through gear 19 and the initiatively outer engagement of crank wheel 8, and said motor 1 links to each other with gearbox 16 through belt pulley.
Gearbox 16 is the 5 gear gearboxes 16 of slewing range at 1:1-7:1, and gearbox 16 is provided with the action bars and the clutch of control gear, and action bars and clutch engagement are regulated the rotating speed of gearbox 16; Promptly when 1 gear, the power input shaft of gearbox 16 rotates 7 circles, and its power input shaft rotates 1 circle; When 5 gears, the power input shaft of motor 1 rotates 1 circle, and its power output shaft rotates 1 circle; This structure is the one-level speed changing structure; Can adjust the jig frequency and the stroke speed of oil pumper simply and easily, thereby change the jig frequency of oil pumper and each oil pumping amount, action bars can adopt the action bars mode of control gear in the prior art; The preferred presser type clutch of clutch, but be not limited to above-mentioned set-up mode.
Gearbox 16 is 7:1 with the rotating ratio of reduction box, and promptly the power input shaft of reduction box rotates 7 circles, and its power output shaft rotates 1 circle; Therefore, when gearbox 16 was 1 gear, gearbox 16 rotated 49 circles; Reduction gearing 19 in the reduction box is rotated 1 circle, and when gearbox 16 was 5 gears, gearbox 16 rotated 7 circles; Reduction gearing 19 in the reduction box is rotated 1 circle, and this structure is the two stage speed change structure, matches with the one-level slowing-down structure; Further adjust the jig frequency and the stroke speed of oil pumper, guaranteed the stability and the reliability of oil pumper, above-mentioned set-up mode is preferred; But be not limited to above-mentioned set-up mode, for example reduction box also can adopt the set-up mode of prior art reduction box.
Reduction gearing 19 is 10:1 with the rotating ratio of crank wheel, and promptly the diameter of reduction gearing 19 is 1/10 of crank wheel diameters, when reduction gearing 19 is rotated 10 circles; Crank wheel just rotates 1 circle; Therefore, when gearbox 16 was 1 gear, gearbox 16 rotated 490 circles; Reduction gearing 19 in the reduction box is rotated 10 circles, and crank wheel just rotates 1 circle; When gearbox 16 was 5 gears, gearbox 16 rotated 70 circles, and the reduction gearing 19 in the reduction box is rotated 10 circles, and crank wheel just rotates 1 circle; When crank wheel rotates a circle, just accomplish oil pumping process one time, this structure is the three-step gear shift structure; Make the torsional forces of oil pumper strengthen 10 times; Also can change the diameter ratio of reduction gearing 19 and crank wheel, the torsional forces of oil pumper is increased more than 10 times, above-mentioned set-up mode is preferred; But be not limited to above-mentioned set-up mode, for example reduction gearing 19 also can be provided with according to the oil field actual conditions with the rotating ratio of crank wheel.
Be provided with the presser type clutch in the gearbox 16, be provided with brake gear between gearbox 16 and the cross connecting axle 18.
Rocking arm 3 flexibly connects through rotating cylinder 20 with rocking arm pillar 2, and rocking arm 3 is installed on the rotating cylinder 20, and rotating cylinder 20 can be with respect to 2 rotations of rocking arm pillar; rocking arm 3 is terminal for being obliquely installed, and the purpose that is obliquely installed is to shorten rocking arm 3 radius when moving reciprocatingly, conserve space; be aligned in sequence with a plurality of connecting holes 21 that are used for fixing lifting rope 7 along the inclined plane; when needs adjust upper and lower stroke apart from the time, can lifting rope 7 be changed different connecting holes 21 and connect, realization increases journey.Said connecting rod 14 links to each other with rocking arm 3 through bearing 10.Above-mentioned bearing 10 can be arranged on the optional position of rocking arm 3; According to demand,, can the junction of connecting rod 14 and rocking arm 3 be moved toward rocking arm pillar 2 directions when needs increase journey more for a long time; When needs increase journey more after a little while, then can be with the junction of connecting rod 14 and rocking arm 3 toward moving than end direction.
Fixed mount, support 5 and rocking arm pillar 2 all are arranged on the base 22; Also can be directly arranged on the ground; be respectively arranged with the fixed bar 23 of support fixation effect on rocking arm pillar 2 and the support 5; said fixed bar 23 other ends are all fixing with base 22, and fixed bar 23 other ends in like manner also can directly be provided with on the ground.Fixed bar 23 mainly is to play to prevent that fixed mount and support 5 from rocking in the motion process generation.
Be provided with crossbeam 24 in support 5 upper ends, crossbeam 24 is provided with fixed pulley 4, and crossbeam 24 1 ends also are provided with balance rope 25, and balance 25 other ends of restricting are connected with base 22.The quantity of fixed pulley 4 is at least one, according to actual conditions two or more can be set, and its main purpose is the direction of motion that changes lifting rope 7, can realize the upper and lower motion of well head oil rig 6 through the lifting rope 7 of fixed pulley 4.The position of fixed pulley 4 on crossbeam 24 be restriction not, as long as can satisfy job requirement.
Operating principle of the present invention is: motor 1 drives speed changer work through motor 1 belt pulley, after speed changer realizes that one-level is slowed down, drives double reduction gear box 17 motions through cross connecting axle 18; Double reduction gear box 17 drives two active crank wheels 8 respectively through two gears 19 and synchronously rotates; Because driven crank wheel 9 and initiatively crank wheel 8 engagements, thus driven crank wheel 9 also begin to rotate since connector 11 and crank wheel 8 initiatively for bearing 10 flexibly connect, with driven crank wheel 9 are sockets; So two-wheeled is when rotating; Connector 11 is a setting in motion, because connector 11 other ends are to link to each other with connecting rod 14, do upper and lower reciprocating motion so connecting rod 14 can drive rocking arms 3; rocking arm 3 ends are connected with lifting rope 7; lifting rope 7 is walked around support 5 through fixed pulley 4 and driven the import oil rigs and do upper and lower motion, because connecting rod 14 is not to do regular circular motion, but the speed when moving downward is fast; the speed when moving downward is slow, so just cause well head oil rig 6 upward speed faster than the speed that moves downward.
Can know that referring to Fig. 2 CB representes the oil pumping track of well head oil rig 6 upstrokes among the figure, BDC is the oil pumping track of well head oil rig 6 down strokes, and is represented under the situation of same distance among the figure, and the time that the time ratio down stroke that upstroke consumed is consumed is short.

Claims (8)

1. one kind from the wide pivot angle oil pumper of speed change; Comprise motor (1), gear, rocking arm pillar (2), be arranged on the rocking arm (3) on the rocking arm pillar (2), the support (5) that is provided with fixed pulley (4) and well head oil rig (6); Said motor (1) links to each other with gear; the terminal lifting rope (7) that is provided with of rocking arm (3) is gone up fixed pulley (4) through support (5) and connected well head oil rig (6); it is characterized in that: said gear is connected with initiatively crank wheel (8), and initiatively crank wheel (8) is engaged with driven crank wheel (9), and initiatively crank wheel (8) is gone up and is connected with connector (11) through bearing (10); connector (11) one ends link to each other with driven crank wheel (9); connector (11) other end passes through connecting rod (14) and links to each other with rocking arm (3), and the link to each other connector (11) of an end of said and driven crank wheel (9) is provided with sliding tray (12), and the bearing (10) on the driven crank wheel (9) is socketed in the sliding tray (12).
2. according to claim 1 from the wide pivot angle oil pumper of speed change, it is characterized in that: connector (11) one ends that said and driven crank wheel (9) is connected are provided with arc bending (13), and connector (11) other end and connecting rod (14) are for being fixedly connected.
3. according to claim 2 from the wide pivot angle oil pumper of speed change, it is characterized in that: the center of circle of said arc bending (13) part place circle overlaps with the center of circle of driven crank wheel (9).
4. according to claim 3 from the wide pivot angle oil pumper of speed change; It is characterized in that: said active crank wheel (8) and driven crank wheel (9) respectively are two; Each active crank wheel (8) is symmetrical set with respect to gear; Each driven crank wheel (9) is symmetrical set with respect to gear, and two initiatively connect through fixed mount between the crank wheel (8), also connect through fixed mount between the two driven crank wheels (9); Corresponding connector (11) and connecting rod (14) also respectively are provided with two, and two connecting rods (14) all link to each other with rocking arm (3).
According to claim 1-4 any one described from the wide pivot angle oil pumper of speed change; It is characterized in that: said gear comprises bracing frame (15), the gearbox (16) that links to each other with bracing frame (15), drives the initiatively double reduction gear box (17) of crank wheel (8) rotation; Said gearbox (16) links to each other through cross connecting axle (18) with double reduction gear box (17); Said double reduction gear box (17) is through gear (19) and the initiatively outer engagement of crank wheel (8), and said motor (1) links to each other with gearbox (16) through belt pulley.
6. according to claim 5 from the wide pivot angle oil pumper of speed change; It is characterized in that: said gearbox (16) for slewing range at 1:1---5 grades of gearboxes (16) of 7:1; Said double reduction gear box (17) rotating ratio is 7:1; Said gearbox is provided with the presser type clutch in (16), is provided with brake gear between gearbox (16) and the cross connecting axle (18), and the gear (19) of said reduction gear box (17) is 10:1 with the rotating ratio of active crank wheel (8).
7. according to claim 6 from the wide pivot angle oil pumper of speed change; It is characterized in that: said rocking arm (3) and rocking arm pillar (2) flexibly connect through rotating cylinder (20); rocking arm (3) is terminal for being obliquely installed, and is aligned in sequence with a plurality of connecting holes (21) that are used for fixing lifting rope (7) along the inclined plane; Said connecting rod (14) links to each other with rocking arm (3) through bearing (10).
8. according to claim 7 from the wide pivot angle oil pumper of speed change; It is characterized in that: said fixed mount, support (5) and rocking arm pillar (2) all are arranged on the base (22); Be respectively arranged with the fixed bar (23) of support fixation effect on said rocking arm pillar (2) and the support (5); Said fixed bar (23) other end is all fixing with base (22), is provided with crossbeam (24) in support (5) upper end, and crossbeam (24) is provided with fixed pulley (4); Crossbeam (24) one ends also are provided with balance rope (25), and balance rope (25) other end is connected with base (22).
CN201210302187.1A 2012-08-23 2012-08-23 Automatic speed-changing wide-swing-angle oil pumping machine Expired - Fee Related CN102808602B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210302187.1A CN102808602B (en) 2012-08-23 2012-08-23 Automatic speed-changing wide-swing-angle oil pumping machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210302187.1A CN102808602B (en) 2012-08-23 2012-08-23 Automatic speed-changing wide-swing-angle oil pumping machine

Publications (2)

Publication Number Publication Date
CN102808602A true CN102808602A (en) 2012-12-05
CN102808602B CN102808602B (en) 2014-12-10

Family

ID=47232453

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210302187.1A Expired - Fee Related CN102808602B (en) 2012-08-23 2012-08-23 Automatic speed-changing wide-swing-angle oil pumping machine

Country Status (1)

Country Link
CN (1) CN102808602B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103061719A (en) * 2013-01-10 2013-04-24 李兆胜 Multifunctional double arm interaction double-drive-wheel self-speed-changing pumping unit
CN103061720A (en) * 2013-01-10 2013-04-24 李兆胜 Multifunctional double arm interaction single-drive-wheel self-speed-changing pumping unit
CN106837255A (en) * 2017-03-06 2017-06-13 于会萍 Reciprocating extracting device of oil
CN107401396A (en) * 2017-09-22 2017-11-28 李兆胜 Dual drive wheel swing angle type oil pumper
CN107435530A (en) * 2017-09-22 2017-12-05 李兆胜 Single driven wheel swing arm pumping unit

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121471A (en) * 1977-07-05 1978-10-24 Chancellor Forrest E Rotating horsehead for oilfield pumping unit
US4492126A (en) * 1982-05-17 1985-01-08 Davis C Arthur Variable leverage oil field pump jack
CN2615334Y (en) * 2003-03-12 2004-05-12 张兴盛 Auxiliary donkey head balance connecting rod beam-pumping unit
CN101196107A (en) * 2007-12-21 2008-06-11 张秀芳 Pumping unit with rapid lowering, slow lifting sucker rod
CN101307684A (en) * 2008-05-21 2008-11-19 张保国 Hanging pendulum type beam balancing energy-saving oil pumping machine
US20100170353A1 (en) * 2008-07-07 2010-07-08 New River Equipment Corp. Pumping unit
CN202866760U (en) * 2012-08-23 2013-04-10 李兆胜 Automatic-speed-change wide-tilt-angle oil sucking machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121471A (en) * 1977-07-05 1978-10-24 Chancellor Forrest E Rotating horsehead for oilfield pumping unit
US4492126A (en) * 1982-05-17 1985-01-08 Davis C Arthur Variable leverage oil field pump jack
CN2615334Y (en) * 2003-03-12 2004-05-12 张兴盛 Auxiliary donkey head balance connecting rod beam-pumping unit
CN101196107A (en) * 2007-12-21 2008-06-11 张秀芳 Pumping unit with rapid lowering, slow lifting sucker rod
CN101307684A (en) * 2008-05-21 2008-11-19 张保国 Hanging pendulum type beam balancing energy-saving oil pumping machine
US20100170353A1 (en) * 2008-07-07 2010-07-08 New River Equipment Corp. Pumping unit
CN202866760U (en) * 2012-08-23 2013-04-10 李兆胜 Automatic-speed-change wide-tilt-angle oil sucking machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
孙晓斌 等: "新型异形旋转驴头增程式抽油机", 《石油机械》 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103061719A (en) * 2013-01-10 2013-04-24 李兆胜 Multifunctional double arm interaction double-drive-wheel self-speed-changing pumping unit
CN103061720A (en) * 2013-01-10 2013-04-24 李兆胜 Multifunctional double arm interaction single-drive-wheel self-speed-changing pumping unit
CN103061720B (en) * 2013-01-10 2015-05-20 李兆胜 Multifunctional double arm interaction single-drive-wheel self-speed-changing pumping unit
CN103061719B (en) * 2013-01-10 2015-06-24 李兆胜 Multifunctional double arm interaction double-drive-wheel self-speed-changing pumping unit
CN106837255A (en) * 2017-03-06 2017-06-13 于会萍 Reciprocating extracting device of oil
CN106837255B (en) * 2017-03-06 2018-10-26 于会萍 Reciprocating extracting device of oil
CN107401396A (en) * 2017-09-22 2017-11-28 李兆胜 Dual drive wheel swing angle type oil pumper
CN107435530A (en) * 2017-09-22 2017-12-05 李兆胜 Single driven wheel swing arm pumping unit
CN107401396B (en) * 2017-09-22 2023-07-14 李兆胜 Double driving wheel swing angle type oil pumping machine

Also Published As

Publication number Publication date
CN102808602B (en) 2014-12-10

Similar Documents

Publication Publication Date Title
CN102808602B (en) Automatic speed-changing wide-swing-angle oil pumping machine
CN103216216B (en) Novel vertical mechanical reversing energy-saving pumping unit
CN104895532A (en) Chain transmission reversing and short support double long-stroke oil pumping machine and using method thereof
RU2488023C1 (en) Downhole rod pump drive
CN203257387U (en) Novel vertical mechanical reversing energy-saving pumping unit
CN202690012U (en) Non-commutative chain oil pumping unit for oil extraction of oilfield
CN101845937A (en) All-hydraulic power head
CN202866760U (en) Automatic-speed-change wide-tilt-angle oil sucking machine
CN102777153B (en) Pumping unit with wide swing angle
CN201963272U (en) Energy-saving fully-balanced pumping unit
CN208203237U (en) Long stroke pumping unit
CN203161183U (en) Long-stroke chain-type oil pumping unit
CN102644450A (en) Weighted girder-less type strong-efficiency energy-saving oil pumping unit
CN108457624A (en) Long stroke pumping unit
CN202325429U (en) Long-stroke dual-well oil pumping unit
CN203603853U (en) Pulley block stroke increasing type pumping unit with balance weight
CN204591235U (en) A kind of chain drive commutates short support times journey long stroke pumping unit
CN202745827U (en) Wide pivot angle pumping unit
CN2900775Y (en) Box wheel type oil pumping machine
CN203187848U (en) Power transmission device of jacquard loom
CN202955196U (en) Chain transmission reversing device of beam-pumping unit
CN201934074U (en) Heavy-hammer beamless type strong-efficiency energy-saving pumping unit
CN2760221Y (en) Head sheave type long-stroke oil pumping unit
CN201321845Y (en) Balancing energy-saving box-type walking beam well pumping unit
CN103061720B (en) Multifunctional double arm interaction single-drive-wheel self-speed-changing pumping unit

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SICHUAN CHANGHEXING OIL EXTRACTION EQUIPMENT CO.,

Free format text: FORMER OWNER: LI ZHAOSHENG

Effective date: 20150908

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20150908

Address after: 618000 Deyang Zhujiang Road, Sichuan, No. 99

Patentee after: Sichuan long Xing oil production equipment Co., Ltd.

Address before: 618000 Deyang province Sichuan City Jingyang District Second Heavy Machinery Factory Yi An Xiao Qu Yi Graceland 4 unit 1 floor No. 1

Patentee before: Li Zhaosheng

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20161020

Address after: 618000 No. three, section 69, Tianshan Road, Deyang, Sichuan

Patentee after: Deyang Zhenhua mechanical equipment manufacturing Co., Ltd.

Address before: 618000 Deyang Zhujiang Road, Sichuan, No. 99

Patentee before: Sichuan long Xing oil production equipment Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141210

Termination date: 20200823

CF01 Termination of patent right due to non-payment of annual fee