CN107435530A - Single driven wheel swing arm pumping unit - Google Patents
Single driven wheel swing arm pumping unit Download PDFInfo
- Publication number
- CN107435530A CN107435530A CN201710868341.4A CN201710868341A CN107435530A CN 107435530 A CN107435530 A CN 107435530A CN 201710868341 A CN201710868341 A CN 201710868341A CN 107435530 A CN107435530 A CN 107435530A
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- arm
- stroke
- driving wheel
- column
- fixed pulley
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- 238000005086 pumping Methods 0.000 title claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000008450 motivation Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 63
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241001023788 Cyttus traversi Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of single driven wheel swing arm pumping unit, including base, column, arm, driving wheel, stroke arm, pull bar, lifting rope and drive mechanism, column, driving wheel, stroke arm and drive mechanism are arranged on base, arm is fixed on column, drive mechanism is connected with driving wheel, the lower end of stroke arm is movably connected on base, one end of pull bar is movably connected in the upper end of stroke arm, the other end be flexibly connected on the drive wheel, driving wheel by pull bar with dynamic stroke arm the reciprocally swinging between the fixed pulley and driving wheel of column；Fixed pulley is provided with arm, column and stroke arm, around wellhead oil pumping device is connected after the fixed pulley on arm, the other end is fixed on base after bypassing the fixed pulley being arranged on column and stroke beam for one end of lifting rope.The present invention can make power directly act on wellhead oil pumping device on the premise of Pumping Unit is simplified, and reaching reduces energy consumption, the purpose of lifting oil pumping dependable with function.
Description
Technical field
The present invention relates to a kind of petroleum drilling and mining technical field, relates in particular to a kind of single driven wheel swing arm pumping unit.
Background technology
In oil exploitation, mainly oil is extracted out from oil well using beam pumping unit.At present, conventional beam type
Oil pumper is typically by polished rod eye, horse head, walking beam, frame, connecting rod, decelerator, crank, bascule, base, frame and motor etc.
Composition, but the beam machine of this structure is there is the shortcomings that stroke is short, discharge capacity is small, volume is big, weight is heavy, high energy consumption, it is main
Also in the presence of causing power network to distort because of self power generation the problem of.
In order to solve the above problems, following patented technology is proposed in the prior art：
Chinese patent notification number disclosed a kind of multi-functional double for the prior art of " CN103061720A " on April 24th, 2013
Arm interaction single driven wheel is from variable-speed well pumping unit, including boom assembly, lifting rope, wellhead oil pumping device, driving wheel, toggle, first
Power arm and the second power arm, driving wheel are connected with gear, and toggle is fixed on the drive wheel, one end of the first power arm
It is flexibly connected with toggle, the other end is provided with fixed pulley and lifting rope fixing hole；Lived with the first power arm second power arm one end
Dynamic connection, the other end are provided with fixed pulley, basic point are provided with the second power arm, and the second power arm is reciprocating along basic point；
One end of lifting rope is fixedly connected by the fixed pulley on boom assembly with wellhead oil pumping device, and the other end passes through the second power respectively
It is fixed on after fixed pulley on arm and the first power arm in the lifting rope fixing hole on the first power arm.The patent can be adjusted easily
The jig frequency of whole oil pumper, the upstroke speed of oil pumper is improved, not only increases pumping efficiency, additionally it is possible to extracted out more out of oil well
More oil.But the patent remains following defect in actual use：First, driving wheel passes through the first power arm and
Two power arms, which drive to coordinate, realizes oil pumping, and power caused by driving wheel can only be made indirectly by the first power arm and the second power arm
For wellhead oil pumping device, equivalent to by power decomposition caused by driving wheel, into three sections, its stress point is respectively in the first power
The both ends of arm and the second power arm；Ability stretchy wellhead oil pumping device after being decomposed three times due to power caused by driving wheel, and
The decomposition each time of power, can lose power, therefore more there is power loss and the defects of energy consumption is larger.2nd, due to
Connected between first power arm and the second power arm using bearing, connected, caused using bearing between the second power arm and base
Bearing dosage is more；And bearing junction is at stress, bearing is caused to be easily damaged；Thus there is maintenance complexity and maintenance
The high defect of cost.Further, because power transmission structure is complex, it is higher not only result in manufacturing cost, also results in oil pumping
The bulk strength of machine is relatively low.3rd, the second power arm is v-shaped structure, and it is provided with one end of fixed pulley and rushed on work is moved down
When Cheng Yundong pumps, limited by its attachment structure, easily produce phenomenon of shaking, and then easily cause oil pumping to be rocked.
The content of the invention
It is an object of the invention to solve the above-mentioned problems in the prior art, there is provided a kind of single driven wheel swing arm is taken out
Oil machine, the present invention are the further improvement to above-mentioned prior art, on the premise of Pumping Unit is simplified power can be made direct
Wellhead oil pumping device is acted on, energy consumption, the purpose of lifting oil pumping dependable with function are reduced so as to reach.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of single driven wheel swing arm pumping unit, including base, column, arm, driving wheel, stroke arm, pull bar, lifting rope and driving
Mechanism, the column, driving wheel, stroke arm and drive mechanism are arranged on base, and arm is fixed on column, drive mechanism
It is connected with driving wheel, the lower end of stroke arm is movably connected on the base between column and driving wheel, and one end activity of pull bar is even
The upper end of stroke arm is connected on, the other end is flexibly connected on the drive wheel, and driving wheel is determined by pull bar with dynamic stroke arm in column
Reciprocally swinging between pulley and driving wheel；Fixed pulley is provided with the arm, column and stroke arm, one end of lifting rope bypasses
Connect wellhead oil pumping device after fixed pulley on arm, the other end is fixed after the fixed pulley on column and stroke beam around being arranged on
On base.
The stroke arm is vertically inclined on base.
The quantity at least two of fixed pulley on the column, the quantity of fixed pulley is at least one on the stroke arm,
One end of lifting rope around connecting wellhead oil pumping device after the fixed pulley on arm, the other end successively alternately around be arranged on column and
It is fixed on after fixed pulley on stroke beam on base.
Support frame is fixedly installed on the base, driving wheel is movably connected on support frame by bearing.
Bracing wire is fixedly connected between the arm and support frame.
Grease-box is fixedly installed on the base, the bottom of driving wheel is located in grease-box.
Containment vessel is fixedly installed on the grease-box, driving wheel is located in containment vessel.
The upper end of the stroke arm is fixedly connected with arc convex, and pull bar is movably connected on arc convex by rotating shaft.
The pedestal for being flexibly connected with stroke arm is fixedly installed on the base.
Fix bar is tiltedly installed between the column and base.
Through hole is offered on the arm and column.
The rotary shaft both ends of the driving wheel are fixedly installed the toggle for being flexibly connected with pull bar respectively.
The lifting rope is steel cable or chain.
The drive mechanism includes motor, clutch, gearbox, power transmission shaft and the Ya Bao assemblies being sequentially connected, and tooth bag is total
It is connected into driving wheel, brake block is provided with tooth bag assembly.
Described oil pumper also includes balance weight assembly, and the balance weight assembly includes support, balancing weight, counterweight fixed pulley and matched somebody with somebody
Restrict again, support is fixed on base, and counterweight fixed pulley is arranged on support, and one end of counterweight rope is fixed on stroke arm, another
End is fixedly connected after bypassing counterweight fixed pulley with balancing weight.
Using the advantage of the invention is that：
1st, in oil pumper of the invention, stroke arm one end is movably connected on base, and the other end is connected by pull bar with driving wheel,
During oil pumping, by pull bar, directly with dynamic stroke arm, reciprocally swinging can be achieved driving wheel between the fixed pulley and driving wheel of column
Oil pumping.Compared with existing oil pumper, power caused by driving wheel, can be significantly equivalent to directly acting on wellhead oil pumping device
Power loss and energy loss are reduced, and then advantageously reduces oil pumping cost.Also, stroke arm one end is movably connected in base
On, structure that the other end is connected by pull bar with driving wheel, not only cause the upstroke motion of stroke arm to be more prone to, additionally it is possible to
It will not also produce and rock when pull bar further being reduced into oil pumping energy consumption as counterweight, while being pumped.Additionally, it is well known that, take out
Oil machine weight weight, and used in the more severe field of environment, therefore, oil pumper must possess simple in construction and highly reliable
Property, the stable use of oil pumper is just can guarantee that, and reduce maintenance.And compared with existing oil pumper, the present invention is led to using driving wheel
The structure that oil pumping directly can be achieved in pull bar with dynamic stroke arm is crossed, the usage quantity of bearing is greatly reduced, overall structure is more
Simply, it is not easy to break down, not only greatly improve the dependable with function of oil pumping, also extend oil pumper uses the longevity
Order and reduce maintenance times.
2nd, stroke arm is vertically inclined at structure on base by the present invention, can by the use of stroke arm deadweight as taking out
The power of oil machine upstroke motion, so as to reach the purpose for reducing drive mechanism power.
3rd, the quantity of fixed pulley on column is set at least to two by the present invention, by the quantity of fixed pulley on stroke arm at least
One is arranged to, and lifting rope is fixed on base after using the fixed pulley for alternately bypassing be arranged on column and stroke beam successively
On.The structure allows people to pass through the quantity of fixed pulley on adjusting post and stroke arm to reach regulation oil pumper stroke
Purpose, can be applied to different oil fields, and the scope of application is wider.
4th, the present invention installs driving wheel by support frame, is advantageous to make driving wheel be stably placed on base, improves
Stability of the driving wheel in oil pumping.
5th, the bracing wire of the invention by being fixedly installed between arm and support frame, the entirety of oil pumper can be greatly improved
Steadiness.
6th, the present invention can be made by the grease-box being arranged on base to driving wheel and drive mechanism lubrication
With so as to reach the purpose of extension device service life.
7th, the containment vessel of the invention by being fixedly connected on grease-box top, ensure that driving wheel is not done by extraneous dust storm
Disturb so that the operating of driving wheel is more agile.
8th, the structure of the invention by setting arc convex to be flexibly connected with pull bar in stroke arm upper end so that stroke arm
Center of gravity is downward always, and under gravity, driving of the driving wheel to pull bar is more prone to, and then can further reduce energy
Consumption.
9th, the present invention is advantageous to the flexible swing of stroke arm by the pedestal being fixedly installed on base.
10th, the fix bar of the invention by being inclined between column and base, the monolithic stability of oil pumper is improved
Property.
11st, the present invention offers through hole on arm and column, and the wind of whole oil pumper is advantageously reduced by through hole
Resistance and the weight for reducing oil pumper, had both avoided oil pumper from being produced because of strong wind and had rocked, and reduced the production cost of oil pumper again.
12nd, the structure that driving wheel is connected by two toggles with pull bar in the present invention, the bearing of driving wheel is improved
And stability.
13rd, the present invention can use steel cable or chain as lifting rope, wherein, production cost can be reduced using steel cable, using chain
Bar can increase the service life, and be easy to user to be selected according to different demands.
14th, drive mechanism includes motor, clutch, gearbox, power transmission shaft and the Ya Bao assemblies being sequentially connected in the present invention,
Tooth bag assembly is connected with driving wheel, and brake block is provided with tooth bag assembly, and the structure can brake in time when needed, make driving
Wheel stops operating, and ensures the security of oil pumping.
15th, the present invention has increased balance weight assembly newly on base, and newly-increased balance weight assembly, which is advantageous to further to reduce the energy, to disappear
Consumption, the specific energy resource consumption than the oil pumper reduction by 20% or so for not increasing balance weight assembly.
Brief description of the drawings
Fig. 1 is located at structural representation during minimum point for wellhead oil pumping device in the present invention.
Fig. 2 is located at structural representation during peak for wellhead oil pumping device in the present invention.
In figure mark for：1st, base, 2, column, 3, driving wheel, 4, arm, 5, stroke arm, 6, pedestal, 7, lifting rope, 8,
Wellhead oil pumping device, 9, toggle, 10, pull bar, 11, fixed pulley, 12, support frame, 13, bracing wire, 14, grease-box, 15, protection
Shell, 16, arc convex, 17, through hole, 18, motor, 19, brake block, 20, tooth bag assembly, 21, counterweight rope, 22, support, 23, match somebody with somebody
Pouring weight, 24, counterweight fixed pulley, 25, fix bar.
Embodiment
Embodiment 1
A kind of single driven wheel swing arm pumping unit, including base 1, column 2, arm 4, driving wheel 3, stroke arm 5, pull bar 10, hang
Rope 7 and drive mechanism, the column 2, driving wheel 3, stroke arm 5 and drive mechanism are arranged on base 1, and arm 4 is fixed on
On column 2, the rotary shaft both ends of driving wheel 3 are fixedly installed toggle 9 respectively, and drive mechanism is connected with driving wheel 3, stroke arm
5 lower end is movably connected on the base 1 between column 2 and driving wheel 3, and one end of pull bar 10 is movably connected in stroke arm 5
Upper end, the other end are movably connected on two toggles 9, and driving wheel 3 is by toggle 9 and pull bar 10 with dynamic stroke arm 5 vertical
Reciprocally swinging between the fixed pulley 11 and driving wheel 3 of post 2；Fixed pulley is provided with the arm 4, column 2 and stroke arm 5
11, around wellhead oil pumping device 8 is connected after the fixed pulley 11 on arm 4, the other end bypasses and is arranged on column 2 for one end of lifting rope 7
It is fixed on after the fixed pulley 11 on stroke beam on base 1.
In the present invention, the quantity at least two of fixed pulley 11 on the column 2, fixed pulley 11 on the stroke arm 5
Quantity is at least one, and one end of lifting rope 7 after the fixed pulley 11 on arm 4 around wellhead oil pumping device 8 is connected, and the other end is successively
It is fixed on after alternately bypassing the fixed pulley 11 on the fixed pulley 11 and stroke beam being arranged on column 2 on base 1.Wherein, pass through
The quantity of fixed pulley 11 on adjusting post 2, the position of fixed pulley 11 can on the quantity of fixed pulley 11 and stroke arm 5 on stroke arm 5
Reach the purpose of regulation stroke.Specifically, by regulation present invention can be suitably applied to 4 meters of strokes, 6 meters of strokes, 8 meters of strokes and
The stroke of 10 meters of strokes.
In the present invention, support frame 12 and pedestal 6 are fixedly installed on the base 1, driving wheel 3 is connected by bearing activity
It is connected on support frame 12.Stroke arm 5 is flexibly connected on pedestal 6, and stroke arm 5 is fulcrum with pedestal 6.Further,
Bracing wire 13 is provided between arm 4 and support frame 12, the both ends of bracing wire 13 are separately fixed on arm 4 with support frame 12, used
In stablizing oil pumper.
In the present invention, the upper end of the stroke arm 5 is fixedly connected with arc convex 16, the preferred one of the arc convex 16 into
On stroke arm 5, pull bar 10 is movably connected on arc convex 16 type by rotating shaft.
In the present invention, fix bar 25 is tiltedly installed between the column 2 and base 1, on the arm 4 and column 2
Through hole 17 is offered, through hole 17 is used for the windage for reducing oil pumper, while reduces the weight of oil pumper.
In the present invention, the lifting rope 7 can use steel cable or chain.
In the present invention, the drive mechanism include be sequentially connected motor 18, clutch, shift handle, gearbox, transmission
Axle and Ya Bao assemblies 20, tooth bag assembly 20 are connected with driving wheel 3, and brake block 19 is provided with tooth bag assembly 20, and brake block 19 wraps
Parking brake piece and service brake piece are included, oil pumper stop motion can quickly and easily be made by parking brake piece and service brake piece.Wherein, tooth bag is total
It is existing conventional techniques into 20, such as the backteeth bag assembly 20 used in automobile can be used.
Embodiment 2
A kind of single driven wheel swing arm pumping unit, including base 1, column 2, arm 4, driving wheel 3, stroke arm 5, pull bar 10, hang
Rope 7 and drive mechanism, the column 2, driving wheel 3 and drive mechanism are arranged on base 1, and stroke arm 5 is vertically obliquely installed
On base 1, arm 4 is fixed on column 2, and the rotary shaft both ends of driving wheel 3 have been respectively fixedly connected with toggle 9, driving machine
Structure is connected with driving wheel 3, and the lower end of stroke arm 5 is movably connected on the base 1 between column 2 and driving wheel 3, and the one of pull bar 10
End is movably connected in the upper end of stroke arm 5, and the other end is movably connected on two toggles 9, and driving wheel 3 passes through the He of toggle 9
The reciprocally swinging between the fixed pulley 11 and driving wheel 3 of column 2 with dynamic stroke arm 5 of pull bar 10；The arm 4, column 2 and stroke
Fixed pulley 11 is provided with arm 5, one end of lifting rope 7 after the fixed pulley 11 on arm 4 around wellhead oil pumping device 8 is connected, separately
One end is fixed on base 1 after bypassing the fixed pulley 11 being arranged on column 2 and stroke beam.
Embodiment 3
A kind of single driven wheel swing arm pumping unit, including base 1, column 2, arm 4, driving wheel 3, stroke arm 5, pull bar 10, hang
Rope 7 and drive mechanism, the column 2, driving wheel 3, stroke arm 5 and drive mechanism are arranged on base 1, and stroke arm 5 is vertical
It is inclined on base 1, arm 4 is fixed on column 2, and the rotary shaft both ends of driving wheel 3 have been respectively fixedly connected with toggle
9, drive mechanism is connected with driving wheel 3, and the lower end of stroke arm 5 is movably connected on the base 1 between column 2 and driving wheel 3, is drawn
One end of bar 10 is movably connected in the upper end of stroke arm 5, and the other end is movably connected on two toggles 9, and driving wheel 3 passes through torsion
The arm of force 9 and pull bar 10 reciprocally swinging between the fixed pulley 11 and driving wheel 3 of column 2 with dynamic stroke arm 5；The arm 4, column
2 and stroke arm 5 on be provided with fixed pulley 11, one end of lifting rope 7 is around connecting well head oil pumping dress after the fixed pulley 11 on arm 4
8 are put, the other end is fixed on base 1 after bypassing the fixed pulley 11 being arranged on column 2 and stroke beam.
In the present invention, the grease-box 14 for being provided with good airproof performance is bolted on the base 1, driving wheel 3
Bottom is located in grease-box 14.Further, also it is bolted on grease-box 14 and is provided with containment vessel 15, lubricating oil
Sealing strip is provided between case 14 and holding shell, whole driving wheel 3 is fully located in containment vessel 15, to prevent dust storm enters from influenceing
The normal rotation of driving wheel 3.
Embodiment 4
A kind of single driven wheel swing arm pumping unit, including base 1, column 2, arm 4, driving wheel 3, stroke arm 5, pull bar 10, hang
Rope 7 and drive mechanism, the column 2, driving wheel 3 and drive mechanism are arranged on base 1, and stroke arm 5 is vertically obliquely installed
On base 1, arm 4 is fixed on column 2, and the rotary shaft both ends of driving wheel 3 have been respectively fixedly connected with toggle 9, driving machine
Structure is connected with driving wheel 3, and the lower end of stroke arm 5 is movably connected on the base 1 between column 2 and driving wheel 3, and the one of pull bar 10
End is movably connected in the upper end of stroke arm 5, and the other end is movably connected on two toggles 9, and driving wheel 3 passes through the He of toggle 9
The reciprocally swinging between the fixed pulley 11 and driving wheel 3 of column 2 with dynamic stroke arm 5 of pull bar 10；The arm 4, column 2 and stroke
Fixed pulley 11 is provided with arm 5, one end of lifting rope 7 after the fixed pulley 11 on arm 4 around wellhead oil pumping device 8 is connected, separately
One end is fixed on base 1 after bypassing the fixed pulley 11 being arranged on column 2 and stroke beam.
In the present invention, the quantity at least two of fixed pulley 11 on the column 2, fixed pulley 11 on the stroke arm 5
Quantity is at least one, and one end of lifting rope 7 after the fixed pulley 11 on arm 4 around wellhead oil pumping device 8 is connected, and the other end is successively
It is fixed on after alternately bypassing the fixed pulley 11 on the fixed pulley 11 and stroke beam being arranged on column 2 on base 1.Wherein, pass through
The quantity of fixed pulley 11 on adjusting post 2, the position of fixed pulley 11 can on the quantity of fixed pulley 11 and stroke arm 5 on stroke arm 5
Reach the purpose of regulation stroke.Specifically, by regulation present invention can be suitably applied to 4 meters of strokes, 6 meters of strokes, 8 meters of strokes and
The stroke of 10 meters of strokes.
In the present invention, the grease-box 14 for being provided with good airproof performance is bolted on the base 1, driving wheel 3
Bottom is located in grease-box 14.Further, also it is bolted on grease-box 14 and is provided with containment vessel 15, lubricating oil
Sealing strip is provided between case 14 and holding shell, whole driving wheel 3 is fully located in containment vessel 15, to prevent dust storm enters from influenceing
The normal rotation of driving wheel 3.
In the present invention, described oil pumper also includes balance weight assembly, the balance weight assembly include support 22, balancing weight 23,
Counterweight fixed pulley 24 and counterweight rope 21, support 22 are fixed on the other end on the base 1 relative with column 2, counterweight fixed pulley 24
Be arranged on support 22, one end of counterweight rope 21 is fixed on stroke arm 5, the other end bypass counterweight fixed pulley 24 after with balancing weight
23 are fixedly connected.Further, in order to improve the stability of oil pumper, fixed company is additionally provided between support 22 and support frame 12
Fitting.
The present invention is mainly suitable for the stroke of 4 meters of strokes, 6 meters of strokes, 8 meters of strokes and 10 meters of strokes, with prior art phase
Than the present invention can produce bigger power using the motor of smaller power, be specially：
4 meters of strokes, draw 6-10KN, it is only necessary to which the motor of 18-22kw power can drive.
6 meters of strokes, draw 10-12 KN, it is only necessary to which the motor of 22-37kw power can drive.
8 meters of strokes, draw 12-14 KN, it is only necessary to which the motor of 37-45kw power can drive.
10 meters of strokes, draw 14-16 KN, it is only necessary to which the motor of 45-55kw power can drive.
The present invention operation principle be：Start drive mechanism, drive mechanism drives driving wheel 3 to circle, driving wheel 3
By toggle 9 and pull bar 10 with dynamic stroke arm 5 reciprocally swinging between the fixed pulley 11 and driving wheel 3 of column 2, work as driving wheel
When 3 drive pull bars 10 move from peak to minimum point, pull bar 10 moves downward with dynamic stroke arm 5, and oil pumper makees upstroke fortune
It is dynamic；When driving wheel 3 drives pull bar 10 to be moved from minimum point to peak, pull bar 10 moves upwards with dynamic stroke arm 5, oil pumper
Make down stroke motion.In addition, when oil pumper needs to shut down, can rapidly be shut down by brake block 19.
Claims (10)
- A kind of 1. single driven wheel swing arm pumping unit, it is characterised in that：Including base（1）, column（2）, arm（4）, driving wheel （3）, stroke arm（5）, pull bar（10）, lifting rope（7）And drive mechanism, the column（2）, driving wheel（3）, stroke arm（5）And drive Motivation structure is arranged at base（1）On, arm（4）It is fixed on column（2）On, drive mechanism and driving wheel（3）Connection, stroke arm （5）Lower end be movably connected in column（2）With driving wheel（3）Between base（1）On, pull bar（10）One end be movably connected in Stroke arm（5）Upper end, the other end is movably connected in driving wheel（3）On, driving wheel（3）Pass through pull bar（10）Band dynamic stroke arm （5）In column（2）Fixed pulley（11）With driving wheel（3）Between reciprocally swinging；The arm（4）, column（2）With stroke arm （5）On be provided with fixed pulley（11）, lifting rope（7）One end bypass arm（4）On fixed pulley（11）Well head oil pumping is connected afterwards Device（8）, the other end is around being arranged on column（2）With the fixed pulley on stroke beam（11）After be fixed on base（1）On.
- 2. single driven wheel swing arm pumping unit as claimed in claim 1, it is characterised in that：The stroke arm（5）It is vertical to tilt It is arranged on base（1）On.
- 3. single driven wheel swing arm pumping unit as claimed in claim 1, it is characterised in that：The column（2）Upper fixed pulley （11）Quantity at least two, the stroke arm（5）Upper fixed pulley（11）Quantity be at least one, lifting rope（7）One end Around arm（4）On fixed pulley（11）After connect wellhead oil pumping device（8）, the other end, which replaces to bypass successively, is arranged on column （2）With the fixed pulley on stroke beam（11）After be fixed on base（1）On.
- 4. the single driven wheel swing arm pumping unit as any one of claim 1-3, it is characterised in that：The base（1） On be fixedly installed grease-box（14）, driving wheel（3）Bottom be located at grease-box（14）It is interior.
- 5. single driven wheel swing arm pumping unit as claimed in claim 4, it is characterised in that：The grease-box（14）Upper fixation It is provided with containment vessel（15）, driving wheel（3）Positioned at containment vessel（15）It is interior.
- 6. single driven wheel swing arm pumping unit as claimed in claim 1, it is characterised in that：The stroke arm（5）Upper end consolidate Surely it is connected with arc convex（16）, pull bar（10）Arc convex is movably connected in by rotating shaft（16）On.
- 7. single driven wheel swing arm pumping unit as claimed in claim 1, it is characterised in that：The base（1）Upper fixed setting Have and be used for and stroke arm（5）The pedestal of flexible connection（6）.
- 8. single driven wheel swing arm pumping unit as claimed in claim 1, it is characterised in that：The column（2）With base（1）It Between be tiltedly installed with fix bar（25）.
- 9. single driven wheel swing arm pumping unit as claimed in claim 1, it is characterised in that：The drive mechanism includes connecting successively The motor connect（18）, clutch, gearbox, power transmission shaft and Ya Bao assemblies（20）, tooth bag assembly（20）With driving wheel（3）Connection, Tooth bag assembly（20）On be provided with brake block（19）.
- 10. such as the single driven wheel swing arm pumping unit any one of claim 1,2,3,5,6,7,8 or 9, its feature exists In：Described oil pumper also includes balance weight assembly, and the balance weight assembly includes support（22）, balancing weight（23）, counterweight fixed pulley （24）With counterweight rope（21）, support（22）It is fixed on base（1）On, counterweight fixed pulley（24）It is arranged on support（22）On, counterweight Rope（21）One end be fixed on stroke arm（5）On, the other end bypasses counterweight fixed pulley（24）Afterwards with balancing weight（23）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710868341.4A CN107435530A (en) | 2017-09-22 | 2017-09-22 | Single driven wheel swing arm pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710868341.4A CN107435530A (en) | 2017-09-22 | 2017-09-22 | Single driven wheel swing arm pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107435530A true CN107435530A (en) | 2017-12-05 |
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| CN201710868341.4A Pending CN107435530A (en) | 2017-09-22 | 2017-09-22 | Single driven wheel swing arm pumping unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899038A (en) * | 2019-04-04 | 2019-06-18 | 李兆胜 | Pivot angle pumping unit afterwards |
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Application publication date: 20171205 |