CN111706300A - Beam-pumping equipment and energy-saving method thereof - Google Patents
Beam-pumping equipment and energy-saving method thereof Download PDFInfo
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- CN111706300A CN111706300A CN202010632066.8A CN202010632066A CN111706300A CN 111706300 A CN111706300 A CN 111706300A CN 202010632066 A CN202010632066 A CN 202010632066A CN 111706300 A CN111706300 A CN 111706300A
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- 238000005086 pumping Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 14
- 241001023788 Cyttus traversi Species 0.000 claims description 21
- 230000005484 gravity Effects 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 18
- 230000009471 action Effects 0.000 claims description 13
- 238000000605 extraction Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 40
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 244000309464 bull Species 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 241001331845 Equus asinus x caballus Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H35/00—Gearings or mechanisms with other special functional features
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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Abstract
The invention discloses a beam-pumping device and an energy-saving method thereof, relating to the technical field of oil extraction devices; the problem of energy waste is caused for the continuous output of the motor; a beam-pumping unit comprises a base and a beam, wherein a proximity sensor is fixed on the outer wall of the top of the base through threads; an energy-saving method of beam-pumping equipment comprises the following steps: and the proximity sensor detects the distance between the third balancing block and the base in real time. According to the invention, the motor is started through the structures of the proximity sensor, the third balancing block and the like, the large gear is driven to rotate through the small gear so as to provide power support for equipment, the rotation speed is convenient to adjust through the gearbox, the proximity sensor detects the distance between the third balancing block and the base in real time, and the control module is electrically connected with the gearbox and the motor to adjust and control frequency along with the fact that the third balancing block gets closer to the proximity sensor, so that unnecessary energy loss is avoided.
Description
Technical Field
The invention relates to the technical field of oil extraction equipment, in particular to beam-pumping equipment and an energy-saving method thereof.
Background
The walking beam type vertical shaft pumping unit is widely applied to crude oil exploitation equipment of an oil field, and structurally comprises a base, a support, a walking beam, a crank connecting rod driving mechanism of the walking beam, a horse head and a rope hanger of the horse head, wherein the walking beam type pumping unit is used as main exploitation equipment of the oil field and is also an oil field power consumption consumer, the power consumption of the walking beam type pumping unit reaches 40% of the total power consumption of the oil field, the average load rate of a driving motor of the walking beam type pumping unit is only 20-30%, the load rate of part of motors is lower, in the working process of the walking beam type pumping unit, due to the reduction of the load in the descending process of a crank, the energy produced by the dragging of the motor cannot be absorbed by the load, the motor is in a power generation working state, the redundant energy is fed back to the power grid, the impact is produced on the whole power grid, the risks of, therefore, the technical problems of low production efficiency, high maintenance amount and large enterprise cost loss exist.
Through retrieval, a Chinese patent with the application number of CN201610726367.0 discloses a control method of a beam-pumping unit in an oil field, wherein an energy consumption function of a motor is found out according to geometric parameters of the beam-pumping unit in the oil field and the pressure of an oil layer in the oil field, and a functional relation between the instantaneous rotating speed and the crank angle of the motor in one movement cycle of a sucker rod of the beam-pumping unit in the oil field is found out when the energy consumption function achieves the minimum energy consumption under the premise of determining the daily oil extraction amount; a positioning sensor is arranged on a crank of the beam pumping unit, the position is taken as a starting point, one period of a system energy function is divided into a plurality of equal parts, and the theoretical instantaneous rotating speed of the motor at each equal division point is calculated according to the function between the instantaneous rotating speed and the position of the motor; and supplying power to a motor of the beam pumping unit through the frequency converter, and controlling the real-time output frequency of the frequency converter according to the calculated theoretical instantaneous rotating speed of the motor. The control method of the beam-pumping unit in the patent has the following defects: when the beam pumping unit works, the load is reduced in the process of descending the crank of the beam pumping unit, and the motor is always started to generate redundant energy, so that energy waste is caused and the motor is damaged.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides beam-pumping equipment and an energy-saving method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a beam-pumping unit comprises a base and a beam, wherein a proximity sensor is fixed on the outer wall of the top of the base through threads, and the signal output end of the proximity sensor is electrically connected with a control module; the bottom outer wall of walking beam is provided with the connecting rod, and one side outer wall of connecting rod is provided with the arm of cranking, and one side outer wall of cranking arm is provided with square groove, and the bottom inner wall in square groove is provided with tooth, and the outer wall of tooth is provided with the bearing, and the one end of bearing is provided with the gear wheel, and the opposite side outer wall of cranking arm is provided with the third balancing piece.
Preferably: the top outer wall of base is provided with the backup pad, and one side outer wall of backup pad is provided with the pinion, and the outer wall of pinion sets up with the outer wall of gear wheel mutually, and the top outer wall of base is provided with the motor, and the on-off control end and the control module electric connection of motor, the output of motor rotate through the connecting axle and are connected with the gearbox, the on-off control end and the control module electric connection of gearbox, and the output of gearbox is connected with the input of pinion through the shaft coupling.
Preferably: the top outer wall of base is provided with the supporting seat, and the relative one side inner wall of supporting seat is provided with rotates the post, rotates the circumference outer wall of post and rotates and be connected with two first connecting blocks, rotates the circumference outer wall that the post is close to two first connecting blocks and rotates and be connected with the second connecting block, and the outer wall of second connecting block is provided with the lead wire groove, and the bottom outer wall of walking beam is connected with the top face of two first connecting blocks and second connecting block through the bolt.
Preferably: one side outer wall of walking beam is provided with the horse head, one side outer wall of horse head is provided with the fixing base, the bottom outer wall of fixing base is provided with the beam hanger, the bottom outer wall of beam hanger is provided with the balance box, the bottom outer wall that the fixing base is close to the beam hanger is provided with load cell, load cell's signal output part and control module electric connection, one side outer wall of supporting seat is provided with the display screen, the signal input part of display screen and load cell's signal output part electric connection.
Preferably: the inner wall of one side of balance box is provided with two pulleys, and the bottom outer wall of balance box is provided with the circular recess, and it has first rope to peg graft in the circular recess, and the one end of first rope is provided with the oil pumping subassembly, and one side outer wall of balance box is provided with the wire casing, and the relative one side inner wall of wire casing is provided with two first protection rollers, and first rope outer wall is pegged graft between two first protection rollers.
Preferably: the bottom outer wall of walking beam is provided with three and connects and draws the seat, and three one side outer wall that connects and draws the seat all is provided with the protection pad, and three one side inner wall that connects and draws the seat is provided with two second protection rollers, and the bottom outer wall of walking beam is provided with the recess, and the top outer wall of walking beam is provided with two fixed plates, and the relative one side outer wall of two fixed plates is provided with the line roller, and first rope twines in the circumference outer wall of line roller.
Preferably: the top outer wall of walking beam is provided with the sliding tray, and the inner wall of sliding tray is provided with first balancing piece, and the other end of first rope sets up in one side outer wall of first balancing piece, and the top outer wall of walking beam is provided with the wire groove, and the opposite side outer wall of first balancing piece is provided with the second rope, and the other end of second rope is provided with the second balancing piece.
Preferably: two the outer wall of first connecting block all is provided with two supplementary support arms, and the outer wall of four supplementary support arms all sets up in the bottom outer wall of walking beam.
An energy-saving method of beam-pumping equipment comprises the following steps:
s1: the proximity sensor detects the distance between the third balancing block and the base in real time, and the control module is electrically connected with the gearbox and the motor to adjust and control the frequency as the third balancing block gets closer to the proximity sensor;
s2: the load sensor detects the load condition below the oil rod in real time, when the load is lower than a set value and is not loaded at the moment, a signal is transmitted to the control module, and the control module is electrically connected with the gearbox and the motor to be closed;
s3: under the action of the two pulleys, the downward gravity of the oil pumping assembly is reversed when the oil pumping assembly is loaded, and the reversed gravity is equal to the downward gravity of the oil rod, so that the average load reduction amplitude of the horsehead reaches over 50 percent, and the stroke of the horsehead is half of that of the oil pumping assembly;
s4: when the connecting rod descends, the second balance weight descends along with the centrifugal force, and the first balance weight is dragged to move backwards under the action of the second rope.
The invention has the beneficial effects that:
1. through being provided with proximity sensor and third balancing piece isotructure, the starter motor drives the gear wheel rotation through the pinion and provides power support for equipment, is convenient for adjust slew velocity through the gearbox, and proximity sensor real-time detection third balancing piece is close to proximity sensor more apart from the base, and along with third balancing piece is close to proximity sensor more, the control module electric connection control gearbox and the carrying out of motor adjust the control frequency, avoid unnecessary energy loss.
2. Through being provided with load sensor and display screen isotructure, the load sensor real-time detection oil pole below load condition to the transmission signal gives the display screen, and the people of being convenient for know and look over, when the load is less than the setting value, and the load is not loaded this moment, and the transmission signal gives control module, and control module electric connection control gearbox and motor are closed, prevent the energy and last the output, and effectively avoid high-pressure impact to damage the motor.
3. Through being provided with first rope and pulley isotructure, first rope passes the top and the bottom of two pulleys respectively, then wear out between two first protective rollers, under two pulley effects, downward gravity is reverse during oil pumping subassembly load, gravity after the reversal equals with the decurrent gravity of beam hanger, make horse head average load deloading range reach more than 50%, the stroke of horse head is half of the oil pumping subassembly stroke, consequently, the horse head load has effectively been reduced, the motor output energy is saved to the side, through receiving and releasing first rope, make oil pumping subassembly directly go up and down.
4. Through being provided with first balancing piece and second balancing piece isotructure, when the connecting rod goes up and down, first balancing piece removes about in the sliding tray to roll up first rope, when the connecting rod descends, the second balancing piece descends thereupon by the centrifugal force effect, simultaneously under the effect of second rope, drag first balancing piece and move backward, further save the motor output energy, two supplementary support arms play the effect of auxiliary stay walking beam, further stabilize being connected between walking beam and the supporting seat.
5. Through being provided with protection pad and first protection roller isotructure, drive the bearing when gear wheel is rotatory and remove on the tooth for control about the crank arm, and the connecting rod drives the skew of third balancing piece along with crank arm and reciprocates, thereby drives the walking beam both ends and carries out the height and adjust, and protection pad and first protection roller, second protection roller play the guard action to first rope, prolong the life of first rope.
Drawings
FIG. 1 is a schematic front view of a beam pumping unit according to the present invention;
FIG. 2 is a schematic diagram of a right-side view of a beam pumping unit according to the present invention;
FIG. 3 is a schematic structural diagram of a back view cross section of a beam pumping unit according to the present invention;
FIG. 4 is a schematic top view of a beam-pumping unit according to the present invention;
FIG. 5 is a schematic left-view structural diagram of a beam-pumping unit according to the present invention
Fig. 6 is a schematic circuit flow diagram of a beam pumping unit according to the present invention.
In the figure: the device comprises a base 1, a proximity sensor 2, a support base 3, a display screen 4, a first rope 5, a wire groove 6, an oil pumping assembly 7, a balance box 8, an oil rod 9, a load sensor 10, a horse head 11, a guide seat 12, a walking beam 13, a fixing plate 14, a first balance block 15, a second rope 16, a second balance block 17, a connecting rod 18, a crank arm 19, a third balance block 20, a first connecting block 21, a second connecting block 22, a wire roller 23, a pulley 24, an auxiliary support arm 25, a bull gear 26, a pinion 27, a gearbox 28, a motor 29, a sliding groove 30, a first protective roller 31, a second protective roller 32 and a protective cushion 33.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
A beam-pumping unit, as shown in fig. 1-6, comprises a base 1 and a beam 13, wherein a proximity sensor 2 is fixed on the outer wall of the top of the base 1 through a thread, the type of the proximity sensor 2 is E2K-L13MC1, and the signal output end of the proximity sensor 2 is electrically connected with a control module; the outer wall of the bottom of the walking beam 13 is fixedly provided with a connecting rod 18 through a bolt, the outer wall of one side of the connecting rod 18 is rotatably connected with a crank arm 19 through a rotating shaft, the outer wall of one side of the crank arm 19 is provided with a square groove, the inner wall of the bottom of the square groove is fixedly provided with teeth through bolts, the outer wall of the teeth is meshed with a bearing, one end of the bearing is fixedly provided with a big gear 26 through a bolt, the outer wall of the other side of the crank arm 19 is fixedly provided with a third balancing block 20 through a bolt, the big gear 26 drives the bearing to move on the teeth when rotating so as to enable the, and the connecting rod 18 drives the third balance block 20 to move up and down along with the offset of the crank arm 19, thereby driving the two ends of the walking beam 13 to adjust the height, during the up and down movement of the crank arm 19, the proximity sensor 2 detects the distance between the third balance block 20 and the base 1 in real time, and transmits a signal to the control module in real time, so as to facilitate the next operation.
The rotation speed of the output end is convenient to adjust; as shown in fig. 1, 3, 5 and 6, a supporting plate is fixed on the outer wall of the top of the base 1 through a bolt, a pinion 27 is rotatably connected on the outer wall of one side of the supporting plate through a rotating shaft, the outer wall of the pinion 27 is meshed with the outer wall of the bull gear 26, a motor 29 is fixed on the outer wall of the top of the base 1 through a bolt, a switch control end of the motor 29 is electrically connected with a control module, an output end of the motor 29 is rotatably connected with a gearbox 28 through a connecting shaft, the switch control end of the gearbox 28 is electrically connected with the control module, an output end of the gearbox 28 is connected with an input end of the pinion 27 through a coupling, the motor 29 is started, the bull gear 26 is driven to rotate through the pinion 27 so as to provide power support for the equipment, the rotating speed is conveniently adjusted through the gearbox 28, the control module is electrically connected with and controls the, avoiding unnecessary energy loss.
In order to connect the walking beam 13 with the support base 3; as shown in fig. 2, the top outer wall of base 1 is fixed with supporting seat 3 through the bolt, the relative one side inner wall of supporting seat 3 is fixed with the rotation post through the bolt, the circumference outer wall of rotation post rotates and is connected with two first connecting blocks 21, the circumference outer wall that the rotation post is close to two first connecting blocks 21 rotates and is connected with second connecting block 22, the wire guide groove has been seted up to the outer wall of second connecting block 22, the bottom outer wall of walking beam 13 is connected with the top face of two first connecting blocks 21 and second connecting block 22 through the bolt, make walking beam 13 be connected with supporting seat 3 through first connecting block 21 and second connecting block 22.
To prevent the energy from being continuously output; as shown in fig. 1, 2 and 6, a horse head 11 is fixed on the outer wall of one side of a walking beam 13 through a bolt, a fixed seat is fixed on the outer wall of one side of the horse head 11 through a bolt, an oil rod 9 is fixed on the outer wall of the bottom of the fixed seat through a bolt, a balance box 8 is fixed on the outer wall of the bottom of the oil rod 9 through a bolt, a load sensor 10 is fixed on the outer wall of the bottom of the fixed seat close to the oil rod 9 through a bolt, the model number KM1-LC-500KFH of the load sensor 10 is provided, the signal output end of the load sensor 10 is electrically connected with a control module, a display screen 4 is fixed on the outer wall of one side of the supporting seat 3 through a bolt, the signal input end of the display screen 4 is electrically connected with the signal output end of the load sensor 10, the load sensor 10 detects the load condition below the oil rod, at this moment, no load is applied, a signal is transmitted to the control module, the control module is electrically connected with the gearbox 28 and the motor 29 to control the gearbox 28 and the motor 29 to be closed, energy output is prevented, and high-voltage impact is effectively prevented from damaging the motor 29.
To reduce the horse head 11 load; as shown in fig. 3 and 5, two pulleys 24 are fixed on the inner wall of one side of the balance box 8 through bolts, a circular groove is formed on the outer wall of the bottom of the balance box 8, a first rope 5 is inserted in the circular groove, an oil pumping assembly 7 is tied at one end of the first rope 5, a wire casing 6 is formed on the outer wall of one side of the balance box 8, two first protective rollers 31 are rotatably connected on the inner wall of the opposite side of the wire casing 6 through a rotating shaft, the outer wall of the first rope 5 is inserted between the two first protective rollers 31, the first rope 5 respectively passes through the top and the bottom of the two pulleys 24 and then passes through the space between the two first protective rollers 31, under the action of the two pulleys 24, the downward gravity of the oil pumping assembly 7 is reversed when the oil pumping assembly is loaded, the backward gravity is equal to the downward gravity of the oil rod 9, so that the average load reduction amplitude of the mule head 11 is more than 50%, and, therefore, the load of the horse head 11 is effectively reduced, the output energy of the motor 29 is saved on the side surface, and the oil pumping assembly 7 is directly lifted by winding and unwinding the first rope 5.
To facilitate the winding of the rope; as shown in fig. 1-5, the bottom outer wall of the walking beam 13 is fixed with three lead-in seats 12 through bolts, the outer wall of one side of each of the three lead-in seats 12 is fixed with a protective pad 33 through bolts, the inner wall of one side of each of the three lead-in seats 12 is rotatably connected with two second protective rollers 32 through a rotating shaft, the bottom outer wall of the walking beam 13 is provided with a groove, the top outer wall of the walking beam 13 is fixed with two fixing plates 14 through bolts, the outer wall of the opposite side of each of the two fixing plates 14 is rotatably connected with a wire roller 23 through a rotating shaft, a first rope 5 is wound on the circumferential outer wall of the wire roller 23, the first rope 5 passes through the space between the second protective rollers 32 in the, then the rope passes through the inner wall of the lead groove, is transmitted out from the groove and is wound on the wire roller 23, the rope can be conveniently wound, the protective pad 33, the first protective roller 31 and the second protective roller 32 play a protective role on the first rope 5, and the service life of the first rope 5 is prolonged.
In order to further save the output energy of the motor 29; as shown in fig. 1-5, a sliding groove 30 is formed in an outer wall of a top portion of the walking beam 13, an inner wall of the sliding groove 30 is connected with a first weight 15 in a sliding manner through a slider, the other end of the first rope 5 is tied to an outer wall of one side of the first weight 15, an outlet groove is formed in an outer wall of the top portion of the walking beam 13, a second rope 16 is tied to an outer wall of the other side of the first weight 15, and a second weight 17 is tied to the other end of the second rope 16, when the connecting rod 18 is lifted, the first weight 15 moves left and right in the sliding groove 30 to wind the first rope 5, when the connecting rod 18 is lifted, the second weight 17 descends under the action of centrifugal force, and simultaneously, the first weight 15 is dragged backwards under the action of the second rope 16, so that energy output by the motor 29 is further saved.
In order to stabilize the connection between the walking beam 13 and the support base 3; as shown in fig. 2 and 3, two outer walls of the first connecting block 21 are all fixed with two auxiliary support arms 25 through bolts, the outer walls of the four auxiliary support arms 25 are all connected to the outer wall of the bottom of the walking beam 13 through rotating shafts, and the two auxiliary support arms 25 play a role in auxiliary supporting of the walking beam 13, so that the connection between the walking beam 13 and the supporting seat 3 is further stabilized.
An energy-saving method of beam-pumping equipment comprises the following steps:
s1: the proximity sensor 2 detects the distance between the third balancing mass 20 and the base 1 in real time, and the control module is electrically connected with the gearbox 28 and the motor 29 to adjust and control the frequency as the third balancing mass 20 gets closer to the proximity sensor 2;
s2: the load sensor 10 detects the load condition below the oil rod 9 in real time, when the load is lower than a set value, no load is generated, a signal is transmitted to the control module, and the control module is electrically connected with the control gearbox 28 and the motor 29 to be closed;
s3: under the action of the two pulleys 24, the downward gravity of the oil pumping assembly 7 is reversed when the load is loaded, and the reversed gravity is equal to the downward gravity of the oil rod 9, so that the average load relief amplitude of the horsehead 11 is more than 50%, and the stroke of the horsehead 11 is half of that of the oil pumping assembly 7;
s4: when the connecting rod 18 descends, the second weight 17 descends along with the centrifugal force, and meanwhile, the first weight 15 is dragged to move backwards under the action of the second rope 16.
In the embodiment, when the device is used, the first rope 5 respectively passes through the top and the bottom of the two pulleys 24 and then passes through between the two first protection rollers 31, the first rope 5 passes through between the second protection rollers 32 in the three lead-in seats 12 and then passes through the inner wall of the lead groove, is transmitted out of the groove and wound on the wire roller 23, the other end of the first rope is tied on the first balancing block 15, the protection pad 33, the first protection rollers 31 and the second protection rollers 32 play a protection role on the first rope 5 to reduce friction, when the device is used, the motor 29 is started, the large gear 26 is driven to rotate through the small gear 27 so as to provide power support for the device, the rotating speed is controlled through the gearbox 28, the large gear 26 drives the bearing to move on teeth when rotating, so that the curved arm 19 moves left and right, and the connecting rod 18 drives the third balancing block 20 to move up and down along with the offset of the curved arm 19, so as to drive the two ends of, during the up-and-down movement of the crank arm 19, the proximity sensor 2 detects the distance between the third balancing mass 20 and the base 1 in real time and transmits a signal to the control module in real time, as the third balancing mass 20 gets closer to the proximity sensor 2, the control module is electrically connected with and controls the gearbox 28 and the motor 29 to adjust the control frequency, the load sensor 10 detects the load condition below the oil rod 9 in real time and transmits a signal to the display screen 4, so that people can know and check the load condition, when the load is lower than a set value, the load is not loaded, the control module transmits a signal to the control module, the control module is electrically connected with and controls the gearbox 28 and the motor 29 to be closed, the energy output is prevented, under the action of the two pulleys 24, the downward gravity of the oil pumping assembly 7 is reversed when the load is loaded, the gravity after the reversal is equal to the downward gravity of the oil rod 9, so that the average load reduction amplitude of the mule head, therefore, the load of the horse head 11 is effectively reduced, the output energy of the motor 29 is saved on the side surface, the oil pumping assembly 7 is directly lifted through winding and unwinding the first rope 5, when the connecting rod 18 is lifted, the first balance weight 15 moves left and right in the sliding groove 30, so that the first rope 5 is wound, when the connecting rod 18 is lowered, the second balance weight 17 is lowered along with the centrifugal force, and meanwhile, under the action of the second rope 16, the first balance weight 15 is dragged to move backwards, so that the output energy of the motor 29 is further saved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A beam-pumping unit comprises a base (1) and a beam (13), and is characterized in that a proximity sensor (2) is fixed on the outer wall of the top of the base (1) through a thread, and the signal output end of the proximity sensor (2) is electrically connected with a control module; the walking beam is characterized in that a connecting rod (18) is arranged on the outer wall of the bottom of the walking beam (13), a crank arm (19) is arranged on the outer wall of one side of the connecting rod (18), a square groove is formed in the outer wall of one side of the crank arm (19), teeth are arranged on the inner wall of the bottom of the square groove, a bearing is arranged on the outer wall of each tooth, a large gear (26) is arranged at one end of the bearing, and a third balancing block (20) is arranged on the outer wall of the other side.
2. The beam-pumping unit as claimed in claim 1, characterized in that a supporting plate is arranged on the outer wall of the top of the base (1), a small gear (27) is arranged on the outer wall of one side of the supporting plate, the outer wall of the small gear (27) is arranged opposite to the outer wall of the large gear (26), a motor (29) is arranged on the outer wall of the top of the base (1), the on-off control end of the motor (29) is electrically connected with the control module, the output end of the motor (29) is rotatably connected with a gearbox (28) through a connecting shaft, the on-off control end of the gearbox (28) is electrically connected with the control module, and the output end of the gearbox (28) is connected with the input end.
3. The beam-pumping unit as claimed in claim 2, characterized in that the top outer wall of the base (1) is provided with a support base (3), the inner wall of the opposite side of the support base (3) is provided with a rotating column, the circumferential outer wall of the rotating column is rotatably connected with two first connecting blocks (21), the circumferential outer wall of the rotating column close to the two first connecting blocks (21) is rotatably connected with a second connecting block (22), the outer wall of the second connecting block (22) is provided with a lead groove, and the bottom outer wall of the walking beam (13) is connected with the top surfaces of the two first connecting blocks (21) and the second connecting block (22) through bolts.
4. The beam-pumping unit as claimed in claim 1, characterized in that a horse head (11) is arranged on an outer wall of one side of the walking beam (13), a fixed seat is arranged on an outer wall of one side of the horse head (11), an oil rod (9) is arranged on an outer wall of the bottom of the fixed seat, a balance box (8) is arranged on an outer wall of the bottom of the oil rod (9), a load sensor (10) is arranged on an outer wall of the bottom of the fixed seat close to the oil rod (9), a signal output end of the load sensor (10) is electrically connected with the control module, a display screen (4) is arranged on an outer wall of one side of the supporting seat (3), and a signal input end of the display screen (4) is electrically connected with.
5. The beam-pumping unit according to claim 4, characterized in that two pulleys (24) are arranged on the inner wall of one side of the balance box (8), a circular groove is arranged on the outer wall of the bottom of the balance box (8), a first rope (5) is inserted in the circular groove, the pumping unit (7) is arranged at one end of the first rope (5), a wire slot (6) is arranged on the outer wall of one side of the balance box (8), two first protective rollers (31) are arranged on the inner wall of the opposite side of the wire slot (6), and the outer wall of the first rope (5) is inserted between the two first protective rollers (31).
6. The beam-pumping unit as claimed in claim 5, characterized in that the bottom outer wall of the walking beam (13) is provided with three guide seats (12), one side outer wall of each of the three guide seats (12) is provided with a protective pad (33), one side inner wall of each of the three guide seats (12) is provided with two second protective rollers (32), the bottom outer wall of the walking beam (13) is provided with a groove, the top outer wall of the walking beam (13) is provided with two fixed plates (14), the opposite side outer walls of the two fixed plates (14) are provided with wire rollers (23), and the first rope (5) is wound on the circumferential outer wall of the wire rollers (23).
7. The beam-pumping unit as claimed in claim 6, characterized in that the outer wall of the top of the walking beam (13) is provided with a sliding groove (30), the inner wall of the sliding groove (30) is provided with a first weight (15), the other end of the first rope (5) is arranged on the outer wall of one side of the first weight (15), the outer wall of the top of the walking beam (13) is provided with an outlet groove, the outer wall of the other side of the first weight (15) is provided with a second rope (16), and the other end of the second rope (16) is provided with a second weight (17).
8. A beam-pumping unit according to claim 3, characterized in that the outer walls of the two first connecting blocks (21) are provided with two auxiliary arms (25), and the outer walls of the four auxiliary arms (25) are provided on the outer wall of the bottom of the walking beam (13).
9. An energy-saving method of beam-pumping equipment is characterized by comprising the following steps:
s1: the proximity sensor (2) detects the distance between the third balancing block (20) and the base (1) in real time, and the control module is electrically connected with the gearbox (28) and the motor (29) to adjust and control the frequency as the third balancing block (20) gets closer to the proximity sensor (2);
s2: the load sensor (10) detects the load condition below the oil rod (9) in real time, when the load is lower than a set value and is not loaded at the moment, a signal is transmitted to the control module, and the control module is electrically connected with the control gearbox (28) and the motor (29) to be closed;
s3: under the action of the two pulleys (24), the downward gravity of the oil pumping assembly (7) is reversed when the oil pumping assembly is loaded, and the reversed gravity is equal to the downward gravity of the oil rod (9), so that the average load relief amplitude of the horsehead (11) is more than 50%, and the stroke of the horsehead (11) is half of that of the oil pumping assembly (7);
s4: when the connecting rod (18) descends, the second balance weight (17) descends along with the action of centrifugal force, and meanwhile, the first balance weight (15) is dragged to move backwards under the action of the second rope (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010632066.8A CN111706300A (en) | 2020-07-04 | 2020-07-04 | Beam-pumping equipment and energy-saving method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010632066.8A CN111706300A (en) | 2020-07-04 | 2020-07-04 | Beam-pumping equipment and energy-saving method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111706300A true CN111706300A (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010632066.8A Pending CN111706300A (en) | 2020-07-04 | 2020-07-04 | Beam-pumping equipment and energy-saving method thereof |
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Application publication date: 20200925 |