CN102828729A - Fully-automatic hydraulic pumping unit - Google Patents
Fully-automatic hydraulic pumping unit Download PDFInfo
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- CN102828729A CN102828729A CN2012103350370A CN201210335037A CN102828729A CN 102828729 A CN102828729 A CN 102828729A CN 2012103350370 A CN2012103350370 A CN 2012103350370A CN 201210335037 A CN201210335037 A CN 201210335037A CN 102828729 A CN102828729 A CN 102828729A
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Abstract
The invention relates to a fully-automatic hydraulic pumping unit which is characterized by comprising a hydraulic transmission system and a mechanical structure, wherein a rough filter of the hydraulic transmission system is connected with an oil suction hole of a constant-power variable displacement pump through an oil pipe, an oil discharging hole of the constant-power variable displacement pump is serially connected with a one-way valve and an adjustable throttling valve through an oil pipe, and is connected in parallel with an energy accumulator and a safety valve, an oil outlet pipe is connected with an upper cavity of a hydraulic cylinder through a unidirectional two-position four-way valve, a bidirectional two-position four-way valve and a pipeline I, one end of a pipeline II is connected with a lower cavity of the hydraulic cylinder, the other end of the pipeline II is connected with the bidirectional two-position four-way valve, the unidirectional two-position four-way valve and an oil return pipe to form an oil return path. According to the invention, pressure of the constant-power variable displacement pump, namely, a flow characteristic, is reasonably combined with a load characteristic of the pumping unit, thus the problems of large structure, large weight, high energy consumption, low efficiency and the like of a transmission mechanism of oil extraction equipment in an oil field are solved, full automation of the pumping unit is realized, maximum generative capacity of drilling liquid can be automatically found, oil is pumped, and dynamic balance of flow of an oil well pump and the maximum generative capacity of the drilling liquid is maintained.
Description
Technical field
The invention belongs to a kind of oil field oil and adopt the equipment of drawing, particularly a kind of fully automatic hydraulic oil pumping machine.
Background technology
Oil pumper is the capital equipment that recovers the oil in the oil field, and there are nearly 100,000 mouthfuls of oil wells in the whole nation, and 85% oil well wherein adopts the beam pumping unit of crank and rocker mechanism.This oil pumper designs in 19th-century, so far the history in existing more than 100 year.Based on industrial technology level at that time, people's design concept, it seems that now its structure is very backward, mainly shows as: 1, energy consumption is high, and efficient is low, and overall efficiency only can reach about 25%, has become the focal issue of each oil field " energy-conservation, consumption reduction ".2, hanging because of the structural limitations well can't complete equipilibrium with counterweight, in each stroke, all causes well to hang the gravitional force waste, has also increased the input motor capacity simultaneously.3, structural limitations, crank and rocker mechanism is huge, and quality is big, and the waste of transmission system kinetic energy is many during upper and lower stop.4, structural limitations, transmission, reducing gear are huge, and link is many, and raw materials consumption is high, and transmission efficiency is low, and stroke is little.5, because of structural limitations, for guaranteeing to recover the oil to greatest extent and the oil pumper safe operation, must patrol well every day, detect dynamic oil level, shut down " transferring ginseng " in case of necessity, cause waste of human resource, also to a certain degree influence output.6,, be difficult to realize a control automatically and an oil modern management because of structural limitations.
Summary of the invention
The present invention be directed to crank rocker beam pumping unit six point defects, its objective is, a kind of fully automatic hydraulic oil pumping machine is provided to solving problems such as the oil field equipment energy consumption is high, efficient is low.
Fully automatic hydraulic oil pumping machine content Description of the present invention:
Fully automatic hydraulic oil pumping machine of the present invention; It is characterized in that: fully automatic hydraulic oil pumping machine is made up of Hydraulic Power Transmission System and frame for movement two parts; Hydraulic Power Transmission System by: fuel tank, coarse filter, permanent power and variable pump, motor, one way valve, adjustable throttling, accumulator, safety valve, oil return pipe, flowline, unidirectional two position four-way valves, two-way two four energy thresholds, pipeline I, pipeline II, upper stroke switch, guide rail, lower stroke switch, hydraulic jack and fine filter are formed; Fuel tank is a rectangular box, and coarse filter is connected with permanent power and variable pump inlet port through oil pipe, and motor is connected with permanent power and variable is coaxial through shaft coupling; Permanent power and variable pumps hydraulic fluid port and is connected in series through oil pipe and one way valve, adjustable throttling; Be connected in parallel with accumulator, safety valve respectively, flowline is connected with the hydraulic jack epicoele through unidirectional two position four-way valves, two two position four-way valves, pipeline I again, and pipeline II one end is connected with the hydraulic jack cavity of resorption; The other end is connected with two-way two position four-way valves, unidirectional two position four-way valves, oil return pipe; Oil return pipe stretches in the fuel tank, constitutes oil return circuit, does not hold at oil return pipe to be provided with fine filter.
Fully automatic hydraulic oil pumping machine frame for movement part by: underdrive pulley, drive pulley, counter weight device, back driven pulley, go up driven pulley, preceding driven pulley, wire rope I, wire rope II, connector, petroleum pipeline, oil pipe, polished rod, beam hanger, anchor, plunger, standing valve, travelling valve, pump barrel, sleeve, elasticity accumulator I and elasticity accumulator II and form; Hydraulic jack is a power source; Be fixed on the bottom of frame; Wheel carrier is fixedly connected under hydraulic cylinder piston rod top and the drive pulley; Two groups of three drive pulley are arranged on the same axis, and the axle two ends are fixedly mounted in the middle of upper and lower two drive pulley wheel carriers; Wire rope I one end is fixed on the frame top board; Its trend is: walk around from three second circumference of drive pulley middle pulley; On extend driven pulley, and go up driven pulley intermediate pulley right side and walk around quarter turn left from same axis is installed, level is stretched to the back driven pulley; And in the back driven pulley upside is walked around quarter turn downwards, vertical stretches and is fixedly connected with counter weight device; The wire rope II is two isometric wire rope, and an end is fixed on the frame dividing plate, and its trend is: they are walked around from two pulley upper semicircumferences of three drive pulley both sides respectively; Under extend the underdrive pulley, pass second circumference of pulley and walk around from the same axis twice are installed respectively, extend driven pulley; And walk around quarter turn to the right from the pulley of last driven pulley both sides left side, and the level driven pulley that reaches out, the driven pulley upside is walked around quarter turn downwards in the past; Vertical stretches; And be fixedly connected with polished rod through coupling, polished rod is fixedly connected with beam hanger, and beam hanger is fixedly connected with oil pump plunger piston.
Oil well pump is made up of pump barrel, plunger, travelling valve and standing valve, and oil well pump is fixedly connected with oil pipe and well head tightness, and oil well pump is fixed on the bottom of sleeve with anchor.
Fully automatic hydraulic oil pumping machine of the present invention, to crank rocker beam pumping unit six point defects, the structure that breaks traditions constraint; Adopt the vertical derrick of trussed construction, speedup assembly pulley, the flexible transmission of wire rope; Perpetual motion rate variable pump and the quantitatively volume deceleration of hydraulic jack composition, and load feedback governing system, well is hung gravity complete equipilibrium counterweight and 1/3 load counterweight; On, lower dead center is provided with the elasticity accumulator.With same model, compare with the discharge capacity beam pumping unit, reduce input motor capacity 53%, raise the efficiency 100%; And need not patrol well, detect dynamic oil level and shutdown and " transfer ginseng ", realize automatically " transferring ginseng ", recover the oil from motion tracking well liquid generative capacity; In case fault, overload is reported to the police automatically; Autostop is similar to non-maintainingly, has decided the basis for an oil modern management pad simultaneously.
Description of drawings
Fig. 1 is a fully automatic hydraulic oil pumping machine Hydraulic Power Transmission System schematic diagram;
Fig. 2 is a fully automatic hydraulic oil pumping machine frame for movement sketch map;
Fig. 3 is a fully automatic hydraulic oil pumping machine frame for movement lateral view;
Among the figure: the 1st, fuel tank; The 2nd, coarse filter; The 3rd, permanent power and variable pump; The 4th, motor; The 5th, one way valve; The 6th, adjustable throttling; The 7th, accumulator; The 8th, safety valve; The 9th, oil return pipe; The 10th, oil-discharging device; The 11st, unidirectional two position four-way valves; The 12nd, two-way two position four-way valves; The 13rd, the pipeline I; The 14th, the pipeline II; The 15th, upper stroke switch; The 16th, guide rail; The 17th, lower stroke switch; The 18th, hydraulic jack; The 19th, fine filter; The 20th, the underdrive pulley; The 21st, drive pulley; The 22nd, counter weight device; The 23rd, back driven pulley; The 24th, last driven pulley; The 25th, preceding driven pulley; The 26th, the wire rope I; The 27th, the wire rope II; The 28th, connector; The 29th, petroleum pipeline; The 30th, oil pipe; The 31st, polished rod; The 32nd, beam hanger; The 33rd, anchor; The 34th, plunger; The 35th, standing valve; The 36th, travelling valve; The 37th, pump barrel; The 38th, sleeve; The 39th, elasticity accumulator I; The 40th, elasticity accumulator II.
The specific embodiment
Fully automatic hydraulic oil pumping machine of the present invention is made up of Hydraulic Power Transmission System and frame for movement two parts; See Fig. 1; Hydraulic Power Transmission System is made up of: fuel tank 1, coarse filter 2, permanent power and variable pump 3, motor 4, one way valve 5, adjustable throttling 6, accumulator 7, safety valve 8, oil return pipe 9, flowline 10, unidirectional two position four-way valves 11, two-way two four energy thresholds 12, pipeline I 13, pipeline II 14, upper stroke switch 15, guide rail 16, lower stroke switch 17, hydraulic jack 18 and fine filter 19; Fuel tank 1 is a rectangular box; Coarse filter 2 is connected with permanent power and variable pump 3 inlet ports through oil pipe; Motor 4 is through shaft coupling and permanent 3 coaxial connections of power and variable, and permanent power and variable pump 3 oil-outs are connected in series through oil pipe and one way valve 5, adjustable throttling 6, are connected in parallel with accumulator 7, safety valve 8 respectively again; Flowline 10 is connected with hydraulic jack 18 epicoeles through unidirectional two position four-way valves 11, two two position four-way valves 12, pipeline I 13; Pipeline II 14 1 ends are connected with hydraulic jack 18 cavity of resorptions, and the other end and two-way two position four-way valves 12, unidirectional two position four-way valves 11, oil return pipe 9 are connected, and oil return pipe 9 stretches in the fuel tank; Constitute oil return circuit, do not hold at oil return pipe to be provided with fine filter 19.
See Fig. 2, Fig. 3; Fully automatic hydraulic oil pumping machine frame for movement part by: underdrive pulley 20, drive pulley 21, counter weight device 22, back driven pulley 23, go up driven pulley 24, preceding driven pulley 25, wire rope I 26, wire rope II 27, connector 28, petroleum pipeline 29, oil pipe 30, polished rod 31, beam hanger 32, anchor 33, plunger 34, standing valve 35, travelling valve 36, pump barrel 37, sleeve 38, elasticity accumulator I 39 and elasticity accumulator II 40 and form; Hydraulic jack 18 is power sources; Be fixed on the bottom of frame; The 21 times wheel carriers in hydraulic jack 18 piston rod tops and drive pulley are fixedly connected; Two groups of three drive pulley 20 are arranged on the same axis, and the axle two ends are fixedly mounted in the middle of upper and lower two drive pulley wheel carriers; Wire rope I 26 1 ends are fixed on the frame top board; Its trend is: walk around from three second circumference of drive pulley middle pulley; On extend driven pulley 24, and go up driven pulley 24 intermediate pulley right sides and walk around quarter turn left from same axis is installed, level is stretched to back driven pulley 23; And in the back driven pulley 23 upsides are walked around quarter turn downwards, vertical stretches and is fixedly connected with counter weight device 22; Wire rope II 27 is two isometric wire rope, and an end is fixed on the frame dividing plate, and its trend is: they are walked around from two pulley upper semicircumferences of three drive pulley 21 both sides respectively; Under extend underdrive pulley 20, pass pulley 20 second circumference and walk around from the same axis twice are installed respectively, extend driven pulley 24; And walk around quarter turn to the right from the pulley of last driven pulley 24 both sides left side, and the level driven pulley 25 that reaches out, driven pulley 25 upsides are walked around quarter turn downwards in the past; Vertical stretches; And be fixedly connected with polished rod 31 through coupling 28, polished rod 31 is fixedly connected with beam hanger 32, and beam hanger 32 is fixedly connected with oil pump plunger piston 34.
Oil well pump is made up of pump barrel 37, plunger 34, travelling valve 36 and standing valve 35, and oil well pump is fixedly connected with oil pipe 30 and well head tightness, and oil well pump is fixed on the bottom of sleeve 38 with anchor 33.
Embodiment
See Fig. 1; Fully automatic hydraulic oil pumping machine Hydraulic Power Transmission System fundamental diagram; Fuel tank 1 is used for splendid attire, deposition, cooling hydraulic oil, and it is a rectangular box, on cover and be provided with pressure inductor, temperature inductor, oil level inductor and oil pressure gauge, oil temperature gauge, oil level indicator.Obtain oil pressure, oil temperature, oil level information by these sensing elements; Handle through automaton; Inform a control room of recovering the oil through wireless communication device, in case the oil pumper of automaton control simultaneously battery main switch is superpressure, overtemperature, ultra oil level; Automaton is cut off the electricity supply automatically, guarantees the oil pumper safe operation.Coarse filter 2 usefulness oil pipes are connected with permanent power and variable pump 3 inlet ports, and bury in fuel tank fluid, filter big impurity in the fluid during operation, guarantee to get into fluid cleaning in the Hydraulic Power Transmission System, motor 4 usefulness shaft couplings and permanent 3 coaxial connections of power and variable pump.Drive 3 work of permanent power and variable pump, permanent power and variable pump 3 oil-outs are through oil pipe and one way valve 5, adjustable throttling 6 coupled in series, more respectively with accumulator 7, safety valve 8 parallel connections; One way valve 5 guarantees unidirectional operation, and adjustable throttling 6 is used for installing, and reduces flow during adjustment; Reduce hydraulic jack 18 speeds of service, place's full-gear during operate as normal, accumulator 7 is used for steady permanent power and variable pump 3 pressure fluctuations; Safety valve 8 is used the restriction system maximum pressure, in case reach safety valve setting pressure, it opens unloading; Pressure oil returns fuel tank through safety, guarantees the moving row of oil pumper safety.Flowline 10 is connected with hydraulic jack 18 epicoeles through unidirectional two position four-way valves 11, two two position four-way valves 12, pipeline I 13 then; Fluid through permanent power and variable pump 3 pressurizations enters into hydraulic jack 18 epicoeles; Under the hydraulic fluid pressure effect, promote hydraulic jack 18 pistons, piston rod moves downwards.Pipeline II 14 1 ends are connected with hydraulic jack 18 cavity of resorptions; The other end and two-way two position four-way valves 12, unidirectional two position four-way valves 11, oil return pipe 9 are connected; Oil return pipe 9 stretches in the fuel tank, constitutes oil return circuit, does not hold at oil return pipe to be provided with fine filter 19; Filter out the above impurity of 15 μ m in the hydraulic oil of work, guarantee cleanliness of hydraulic oil.
When piston moves to lower dead center downwards; Touch the lower stroke switch 17 that is fixed on the guide rail 16 with the rigidly connected drive pulley 21 in piston rod upper end, lower stroke switch 17 sends instruction, makes 12 switching-overs of two-way two position four-way valves; Make flowline 10; Pipeline II 14 is connected with hydraulic jack 18 cavity of resorptions, makes oil return pipe 9 simultaneously, and pipeline I 13 is connected with hydraulic jack 18 epicoeles.Hydraulic oil gets into hydraulic jack 18 cavity of resorptions, promotes piston, piston rod and upwards operation of drive pulley 21, and hydraulic jack epicoele hydraulic oil is I 13 by the road, two-way two position four-way valves 12, unidirectional two position four-way valves 11, oil return pipe 9, fine filter 19 return fuel tank.When moving to top dead centre, drive pulley 21 touching upper stroke switch 15, upper stroke switch 15 sends instruction; Make two-way two position four-way valves 12 switching-over to positions shown in Figure 1, make flowline 10 I 13 and the connection of hydraulic jack 18 epicoeles by the road, make hydraulic jack 18 cavity of resorptions II 14 by the road; Oil return pipe 9 is connected with fuel tank, under the hydraulic fluid pressure effect, and hydraulic jack 18 pistons; Piston rod and drive pulley 21 are moved downwards, and cavity of resorption hydraulic oil is 14 two two position four-way valves of II 12,11 by the road, and oil return pipe 9 returns fuel tank 1; When hydraulic cylinder piston moves to lower dead center, accomplish an operation cycle.Oil pressure is worked as in unidirectional two position four-way valves 11 normal operation place Fig. 1 positions, during oily temperature superelevation, shuts down and place's commutation position during starting, and the hydraulic oil that permanent power and variable pump 3 is pumped directly returns fuel tank 1, makes motor 4 place's Light Conditions.
See Fig. 2, Fig. 3, be fully automatic hydraulic oil pumping machine frame for movement sketch map; Hydraulic jack 18 is power sources; Its fixed frame bottom; The 21 times wheel carriers in hydraulic jack 18 piston rod tops and drive pulley are fixedly connected, and two groups of three drive pulley 21 are installed on the same axis, and the axle two ends are fixedly mounted in the middle of upper and lower two drive pulley wheel carriers.Wire rope I 26 1 ends are fixed on the frame top board; Its trend is: walk around from three second circumference of drive pulley middle pulley; On extend driven pulley 24, and go up driven pulley 24 intermediate pulley right sides and walk around quarter turn left from same axis is installed, level is stretched to back driven pulley 23; And in the back driven pulley 23 upsides are walked around quarter turn downwards, vertical stretches and is fixedly connected with counter weight device 22.Wire rope II 27 is two isometric wire rope, and its end is fixed on the frame dividing plate, and its trend is: they are walked around from two pulley upper semicircumferences of three drive pulley 21 both sides respectively; Under extend underdrive pulley 20, walk around from two underdrive pulleys, 20 second circumference of installing on the same axis respectively, extend driven pulley 24; And walk around quarter turn to the right from the pulley of last driven pulley 24 both sides left side, and the level driven pulley 25 that reaches out, driven pulley 25 upsides are walked around quarter turn downwards in the past; Vertical stretches; And be fixedly connected with polished rod 31 through coupling 28, polished rod 31 is fixedly connected with beam hanger 32, and beam hanger 32 is fixedly connected with oil pump plunger piston 34.
Can find out by Fig. 2; What fully automatic hydraulic oil pumping machine adopted is the speedup assembly pulley; When one meter of drive pulley stroke, well is hung two meters of (being polished rod 31, beam hanger 32 and the plunger 34 of oil well pump) and counter weight device 22 strokes, adopts the speedup assembly pulley to shorten the stroke of hydraulic jack 18; Reduce the Hydraulic Elements capacity, enlarged the oil pumper stroke simultaneously.
After a bite oil well was drilled to, at first lower sleeve 38, prevented the landslide of borehole wall silt; Sleeve 38 bottoms are covered with round sieve, and twine with filter screen, promptly are beneficial to well liquid and immerse in the sleeve 38; Prevent the silt intrusion again, guarantee well liquid cleaning in the sleeve, descend oil well pump, oil pipe 30 then.Oil well pump comprises: pump barrel 37, travelling valve 36, standing valve 35 and plunger 34; Oil well pump is fixedly connected with oil pipe 30 and well head tightness; Only stay 29 1 passages of petroleum pipeline, oil well pump is fixed on the bottom of sleeve 38 with anchor 33, reserves enough oil depot volumes; Promptly be beneficial to and store well liquid, also be convenient to the well liquid precipitate simultaneously and purify.
Oil well pump is made up of pump barrel 37, plunger 34, travelling valve 36 and standing valve 35, and when hydraulic jack 18 piston stroking upwards, drive pulley 21 is up; Wire rope I 26 is put back to, and counter weight device 22 verticals are descending, and wire rope II 27 is by drive pulley 21 retraction that arches upward; The plunger 34 of pulling polished rod 31, beam hanger 32 and oil well pump is up, and at this moment travelling valve 36 cuts out, and plunger 34 is top to pump barrel 37; Fluid column pressurization in the oil pipe 30, when pressure equal, during greater than hydrostatic pressure, hydrodynamic pressure and well head pressure, just with the fluid column lifting in the oil pipe 30; Make well liquid flow out in fact to go out to recover the oil along petroleum pipeline, this moment, standing valve 35 was opened, and well liquid gets into pump barrel 37 cavity of resorptions.
See Fig. 3,, offset with elasticity accumulator I 39 contacts when drive pulley 21 tops during apart from top dead centre 150mm; 39 pairs of drive pulley 21 of elasticity accumulator I; Hydraulic jack 18 is executed and is carried, and system pressure raises, and kinematic system kinetic energy, hydraulic pressure can be converted into elastic force potential energy; Motion is impacted and compression shock when reducing stop, realizes soft switching-over.After switching-over, hydraulic jack 18 pistons begin when descending, and elasticity accumulator I 39 release stored energy together make kinematic system accelerate to design speed with hydraulic jack 18 and move downwards.When drive pulley 21 bottoms apart from lower dead center 300mm, elasticity accumulator II 40 contacts of drive pulley 21 bottom surfaces and two symmetric arrangement offset, elasticity accumulator II 40 is identical with elasticity accumulator I 39 functions.Because of hydraulic jack 18 downstream rates are 2 times of speed uplink, dynamic load also is 2 times, Gu the stroke of elasticity accumulator II 40 is designed to 300mm..When hydraulic jack 18 pistons begin when descending, 26 withdrawals of wire rope I, pulling counter weight device 22 is up; 1/3 load counterweight is executed to hydraulic system and is carried, and keeps hydraulic jack 18 uplink and downlink stroke pressure balances, and wire rope II 27 is loosened pulls out; Well is hung descending; At this moment standing valve 35 cuts out, and travelling valve 36 is opened, the well liquid below the plunger 34 through travelling valve 36 get into plungers 34 above.When up stroke began, standing valve 35 was opened, and travelling valve 36 cuts out, and 1/3 load counterweight gravitional force assisting hydraulic pressure oil cylinder 18 overcomes oil pumper oil pump load, alleviated oil pumping stroke hydraulic system load, and it is stable to keep hydraulic system pressure.
1, fully automatic hydraulic oil pumping machine of the present invention, to crank rocker beam pumping unit six point defects, the structure that breaks traditions constraint is adopted the vertical derrick of trussed construction, the speedup assembly pulley; The flexible transmission of wire rope, permanent power and variable pump, hydraulic jack drive, and with same model, compare with the discharge capacity beam pumping unit; Reduce input motor capacity 53%, raise the efficiency 100%, and need not patrol well, detect dynamic oil level and shutdown and " transfer ginseng "; Realize " transferring ginseng " automatically, recover the oil in ability from the life of motion tracking well liquid, in case fault, overload; Automatically report to the police, autostop is similar to non-maintainingly, has decided the basis for an oil modern management pad simultaneously.
2, permanent power and variable pump and the quantitatively open type volume deceleration of hydraulic jack composition are adopted in (1), and the compensator pressure transmission system realizes load (being Hydraulic Power Transmission System pressure) feedback regulation variable pump flow; And then regulator solution compressing cylinder speed and suspension point speed; Realize fully automatic hydraulic oil pumping machine " accent ginseng " automatically, and only this Hydraulic Power Transmission System can reduce input motor capacity 53%; Improve transmission efficiency 100%, energy-conservation nearly 50%.
(2) adopt the vertical derrick of trussed construction, two guide rail guiding of speedup assembly pulley mechanism and drive pulley and constraint realize reducing the hydraulic jack stroke; The Hydraulic Elements capacity has enlarged the oil pumper stroke simultaneously, and fully automatic hydraulic oil pumping machine stroke of the present invention is 8m; If need, can also strengthen stroke.
(3) adopt well to hang weight complete equipilibrium counterweight and 1/3 load counterweight, the upper and lower stroke pressure balance of realization hydraulic system is hung the gravitional force loss with the elimination well and is wasted.
(4) adopt the elasticity accumulator, absorb storage transmission system stop place kinetic energy, and when backward stroke starts, discharge, eliminate the waste of transmission system stop kinetic energy, and reduce hydraulic shock.
(5) adopt pressure, automatic temperature control system and wireless communication device, realize reporting to the police automatically, autostop and Long-distance Control are for an oil modern management lays the first stone.
3, fully automatic hydraulic oil pumping machine is compared with the discharge capacity beam pumping unit with same model:
(1) reduce motor capacity 53%, and current constant, electrical network there are not feedback and impact, can realize energy-conservation nearly 50%.
(2) need not to patrol well, survey producing fluid level and " transferring ginseng ", can practice thrift manpower and increase the production time, enhance productivity.
(3) realize reporting to the police automatically, autostop reaches the long-range control of shaking, for an oil modern management lays the first stone.
The design concept of fully automatic hydraulic oil pumping machine of the present invention; Be with permanent power and variable pump pressure-discharge characteristic and oil well pump load character reasonable combination; Oil well pump load is the linear function of dynamic oil level H, when knowing well depth, average dynamic oil level, when tubing diameter, pump barrel diameter, well liquid weight, viscosity, well head pressure; Just can go out the pressure limit of this well by hydrostatics and hydrokinetics calculation; And adjust permanent power and variable pump pressure-rating curve by this, and make two characteristic curves reasonable combination in pressure limit, just realized oil pumper full-automatic in pressure limit.In addition, full-automatic oil pumper is when oil well pump capacity and well liquid growing amount coupling, and it can seek the maximum generative capacity of well liquid automatically, and presses the maximum generative capacity oil pumping of well liquid, keeps the dynamic equilibrium of the maximum generative capacity of oil well pump flow and well liquid.
Claims (3)
1. fully automatic hydraulic oil pumping machine; It is characterized in that: fully automatic hydraulic oil pumping machine is made up of Hydraulic Power Transmission System and frame for movement two parts; Hydraulic Power Transmission System by: fuel tank (1), coarse filter (2), permanent power and variable pump (3), motor (4), one way valve (5), adjustable throttling (6), accumulator (7), safety valve (8), oil return pipe (9), flowline (10), unidirectional two position four-way valves (11), two-way two four energy thresholds (12), pipeline I (13), pipeline II (14), upper stroke switch (15), guide rail (16), lower stroke switch (17), hydraulic jack (18) and fine filter (19) are formed; Fuel tank (1) is a rectangular box; Coarse filter (2) is connected with permanent power and variable pump (3) inlet port through oil pipe; Motor (4) is through shaft coupling and coaxial connection of permanent power and variable (3); Permanent power and variable pump (3) oil-out is connected in series through oil pipe and one way valve (5), adjustable throttling (6); Be connected in parallel with accumulator (7), safety valve (8) respectively, flowline (10) is connected with hydraulic jack (18) epicoele through unidirectional two position four-way valves (11), two two position four-way valves (12), pipeline I (13) again, and pipeline II (14) one ends are connected with hydraulic jack (18) cavity of resorption; The other end is connected with two-way two position four-way valves (12), unidirectional two position four-way valves (11), oil return pipe (9); Oil return pipe (9) stretches in the fuel tank, constitutes oil return circuit, does not hold at oil return pipe to be provided with fine filter (19).
2. fully automatic hydraulic oil pumping machine according to claim 1; It is characterized in that: fully automatic hydraulic oil pumping machine frame for movement part by: underdrive pulley (20), drive pulley (21), counter weight device (22), back driven pulley (23), go up driven pulley (24), preceding driven pulley (25), wire rope I (26), wire rope II (27), connector (28), petroleum pipeline (29), oil pipe (30), polished rod (31), beam hanger (32), anchor (33), plunger (34), standing valve (35), travelling valve (36), pump barrel (37), sleeve (38), elasticity accumulator I (39) and elasticity accumulator II (40) and form; Hydraulic jack (18) is a power source; Be fixed on the bottom of frame; Hydraulic jack (18) piston rod top is fixedly connected with the following wheel carrier of drive pulley (21); Two groups three drive pulley (20) are arranged on the same axis, and the axle two ends are fixedly mounted in the middle of upper and lower two drive pulley wheel carriers; Wire rope I (26) one ends are fixed on the frame top board; Its trend is: walk around from three second circumference of drive pulley middle pulley; On extend driven pulley (24), and go up driven pulley (24) intermediate pulley right side and walk around quarter turn left from same axis is installed, level is stretched to back driven pulley (23); And in the back driven pulley (23) upside is walked around quarter turn downwards, vertical stretches and is fixedly connected with counter weight device (22); Wire rope II (27) is two isometric wire rope, and an end is fixed on the frame dividing plate, and its trend is: they are walked around from two pulley upper semicircumferences of three drive pulley (21) both sides respectively; Under extend underdrive pulley (20); Walk around from twice second circumference of biography pulley (20) installing on the same axis respectively, extend driven pulley (24), and walk around quarter turn to the right from the pulley left side of last driven pulley (24) both sides; The level driven pulley (25) that reaches out; Driven pulley (25) upside is walked around quarter turn downwards in the past, and vertical stretches, and is fixedly connected with polished rod (31) through coupling (28); Polished rod (31) is fixedly connected with beam hanger (32), and beam hanger (32) is fixedly connected with oil pump plunger piston (34).
3. fully automatic hydraulic oil pumping machine according to claim 1; It is characterized in that: oil well pump is made up of pump barrel (37), plunger (34), travelling valve (36) and standing valve (35); Oil well pump is fixedly connected with oil pipe (30) and well head tightness, and oil well pump is fixed on the bottom of sleeve (38) with anchor (33).
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| CN105464627A (en) * | 2015-12-20 | 2016-04-06 | 靳宝才 | Scale type balance difference oil pumping unit |
| CN109899056A (en) * | 2017-12-07 | 2019-06-18 | 中国石油天然气股份有限公司 | Method and device for determining parameters of oil pumping unit and computer readable storage medium |
| CN110578499A (en) * | 2019-08-19 | 2019-12-17 | 青岛北海俊惠电子仪表有限公司 | Hydraulic suction machine |
| CN117211736A (en) * | 2023-09-21 | 2023-12-12 | 双弓高新装备(武汉)有限公司 | Hydraulic driving pumping unit capable of automatically adjusting pumping stroke and pumping speed |
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| CN105464627A (en) * | 2015-12-20 | 2016-04-06 | 靳宝才 | Scale type balance difference oil pumping unit |
| CN109899056A (en) * | 2017-12-07 | 2019-06-18 | 中国石油天然气股份有限公司 | Method and device for determining parameters of oil pumping unit and computer readable storage medium |
| CN109899056B (en) * | 2017-12-07 | 2021-11-30 | 中国石油天然气股份有限公司 | Method and device for determining parameters of oil pumping unit and computer readable storage medium |
| CN110578499A (en) * | 2019-08-19 | 2019-12-17 | 青岛北海俊惠电子仪表有限公司 | Hydraulic suction machine |
| CN117211736A (en) * | 2023-09-21 | 2023-12-12 | 双弓高新装备(武汉)有限公司 | Hydraulic driving pumping unit capable of automatically adjusting pumping stroke and pumping speed |
| CN117211736B (en) * | 2023-09-21 | 2024-04-30 | 双弓高新装备(武汉)有限公司 | Hydraulic driving pumping unit capable of automatically adjusting pumping stroke and pumping speed |
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Application publication date: 20121219 |