CN202926293U - Fully-automatic hydraulic oil pumping machine - Google Patents

Fully-automatic hydraulic oil pumping machine Download PDF

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Publication number
CN202926293U
CN202926293U CN 201220461917 CN201220461917U CN202926293U CN 202926293 U CN202926293 U CN 202926293U CN 201220461917 CN201220461917 CN 201220461917 CN 201220461917 U CN201220461917 U CN 201220461917U CN 202926293 U CN202926293 U CN 202926293U
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CN
China
Prior art keywords
oil
pulley
hydraulic
pump
pipeline
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Expired - Fee Related
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CN 201220461917
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Chinese (zh)
Inventor
杜殿起
何辉
王天利
韩忠浩
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ANSHAN HONGTUO STEEL ROLLING CO LTD
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ANSHAN HONGTUO STEEL ROLLING CO LTD
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Priority to CN 201220461917 priority Critical patent/CN202926293U/en
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Publication of CN202926293U publication Critical patent/CN202926293U/en
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Abstract

The utility model relates to a fully-automatic hydraulic oil pumping machine. The fully-automatic hydraulic oil pumping machine is characterized by being composed of a hydraulic transmission system and a mechanical structure. A rough filter of the hydraulic transmission system is connected with an oil suction port of a constant-power variable pump through an oil pipe. An oil outlet of the constant-power variable pump is in series connection with a one-way valve and an adjustable throttling valve through an oil pipe, and then in parallel connection with an energy accumulator and a safety valve. An oil outlet pipe is connected with an upper cavity of a hydraulic oil 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 oil cylinder, and 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 fully-automatic hydraulic oil pumping machine, pressure of the constant-power variable pump, namely, a flow characteristic, is reasonably combined with a load characteristic of an oil-well pump; the problems of large transmission mechanisms, large weight, high energy consumption, low efficiency and the like of oil field oil extraction equipment are solved; full automation of the oil pumping machine is achieved; and maximum generative capacity of drilling liquid can be automatically found, oil can be automatically pumped, and a dynamic balance of flow of the oil-well pump and the maximum generative capacity of the drilling liquid is maintained.

Description

A kind of automatic hydraulic beam-pumping unit
Technical field
The utility model belongs to a kind of oil field oil and adopts the equipment of drawing, particularly a kind of automatic hydraulic beam-pumping unit.
Background technology
Oil pumper is the capital equipment of oil extraction in 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 of 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, and main manifestations is: 1, energy consumption is high, and efficient is low, and overall efficiency only can reach 25% left and right, 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 large, and during upper and lower stop, the waste of transmission system kinetic energy is many.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 safety of pumping unit operation, must patrol well every day, detect dynamic oil level, shut down in case of necessity " transferring ginseng ", cause waste of human resource, also to a certain degree affect output.6, because of structural limitations, be difficult to realize automatically control and an oil modern management.
Summary of the invention
The utility model is for crank rocker beam pumping unit six point defects, its objective is as solving the problems such as the oil field equipment energy consumption is high, efficient is low, and a kind of automatic hydraulic beam-pumping unit is provided.
The utility model automatic hydraulic beam-pumping unit content Description:
the utility model automatic hydraulic beam-pumping unit is characterized in that: automatic hydraulic beam-pumping unit is comprised of Hydraulic Power Transmission System and frame for movement two parts, and Hydraulic Power Transmission System is by fuel tank, coarse filter, the variable displacement with constant power 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, the pipeline I, the pipeline II, upper stroke switch, guide rail, lower stroke switch, hydraulic jack and fine filter form, and fuel tank is a rectangular box, and coarse filter is connected with variable displacement with constant power pump inlet port by oil pipe, and motor is connected by shaft coupling and variable displacement with constant power are coaxial, and variable displacement with constant power pumps hydraulic fluid port by oil pipe and one way valve, adjustable throttling is connected in series, more respectively with accumulator, safety valve is connected in parallel, and flowline is through unidirectional two position four-way valves, two two position four-way valves, the pipeline I is connected with the hydraulic jack epicoele, and pipeline II one end is connected with hydraulic cylinder lower cavity oil, the other end and two-way two position four-way valves, unidirectional two position four-way valves, oil return pipe connects, and oil return pipe stretches in fuel tank, consists of oil return circuit, is provided with fine filter in the oil return pipe end.
automatic hydraulic beam-pumping unit frame for movement part is by the underdrive pulley, drive pulley, counter weight device, rear driven pulley, the upper driving pulley, the driving front pulley, the wire rope I, the wire rope II, connector, petroleum pipeline, oil pipe, polished rod, beam hanger, anchor, plunger, standing valve, travelling valve, pump barrel, sleeve, spring energy storage device I and spring energy storage device II form, hydraulic jack is power source, be fixed on the bottom of frame, the hydraulic cylinder piston rod top is fixedly connected with wheel carrier under drive pulley, two groups of three drive pulley are arranged on same axis, the axle two ends are fixedly mounted on, in the middle of lower two drive pulley wheel carriers, wire rope I one end is fixed on the frame top board, its trend is: walk around from middle second circumference of that pulley of three drive pulley, on extend the upper driving pulley, and from being installed on same axis, upper driving pulley intermediate pulley right side walks around quarter turn left, level is stretched to rear driven pulley, and walk around quarter turn downwards at rear driven pulley upside, vertical stretches and is fixedly connected with counter weight device, the wire rope II is two isometric wire rope, one end is fixed on the frame dividing plate, 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 same axis twice are installed respectively, extend the upper driving pulley, and walk around quarter turn to the right on the left of the pulley of upper driving pulley both sides, 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 by coupling, polished rod is fixedly connected with beam hanger, beam hanger is fixedly connected with oil pump plunger piston.
Oil well pump is comprised 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.
The utility model automatic hydraulic beam-pumping unit, for crank rocker beam pumping unit six point defects, the structure that breaks traditions constraint is adopted the trussed construction vertical derrick, the speedup assembly pulley, the steel cable flexible transmission, the volume that perpetual motion rate variable pump and quantitative hydraulic oil cylinder form slows down, and load feedback governing system, and well is hung gravity complete equipilibrium counterweight and 1/3 load counterweight, on, lower dead center arranges the spring energy storage device.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; automatic alarm; autostop is similar to non-maintainingly, has decided the basis for an oil modern management pad simultaneously.
Description of drawings
Fig. 1 is automatic hydraulic beam-pumping unit Hydraulic Power Transmission System schematic diagram;
Fig. 2 is automatic hydraulic beam-pumping unit frame for movement schematic diagram;
Fig. 3 is the structural representation of automatic hydraulic beam-pumping unit spring energy storage device I;
Fig. 4 is the structural representation of automatic hydraulic beam-pumping unit spring energy storage device II;
in figure: the 1st, fuel tank, the 2nd, coarse filter, the 3rd, the variable displacement with constant power 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, rear driven pulley, the 24th, the upper driving pulley, the 25th, the driving front 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, spring energy storage device I, the 40th, spring energy storage device II.
The specific embodiment
the utility model automatic hydraulic beam-pumping unit is comprised of Hydraulic Power Transmission System and frame for movement two parts, see Fig. 1, and Hydraulic Power Transmission System is by fuel tank 1, coarse filter 2, variable displacement with constant power 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 form, fuel tank 1 is a rectangular box, coarse filter 2 is connected with variable displacement with constant power pump 3 inlet ports by oil pipe, and motor 4 is connected with variable displacement with constant power 3 is coaxial by shaft coupling, and variable displacement with constant power pump 3 oil-outs are by oil pipe and one way valve 5, adjustable throttling 6 is connected in series, more respectively with accumulator 7, safety valve 8 is connected in parallel, and flowline 10 is through unidirectional two position four-way valves 11, two two position four-way valves 12, pipeline I 13 is connected with hydraulic jack 18 epicoeles, and 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 connects, and oil return pipe 9 stretches in fuel tank, consists of oil return circuit, is provided with fine filter 19 in the oil return pipe end.
see Fig. 2, Fig. 3, Fig. 4, automatic hydraulic beam-pumping unit frame for movement part is by underdrive pulley 20, drive pulley 21, counter weight device 22, rear driven pulley 23, upper driving pulley 24, driving front 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, spring energy storage device I 39 and spring energy storage device II 40 form, hydraulic jack 18 is power sources, be fixed on the bottom of frame, hydraulic jack 18 piston rod tops are fixedly connected with 21 times wheel carriers of drive pulley, two groups of three drive pulley 20 are arranged on same axis, the axle two ends are fixedly mounted on, in the middle of 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 middle second circumference of that pulley of three drive pulley, on extend upper driving pulley 24, and from being installed on same axis, upper driving pulley 24 intermediate pulley right sides walk around quarter turn left, level is stretched to rear driven pulley 23, and walk around quarter turn downwards at rear driven pulley 23 upsides, vertical stretches and is fixedly connected with counter weight device 22, wire rope II 27 is two isometric wire rope, one end is fixed on the frame dividing plate, 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 same axis twice are installed respectively, extend upper driving pulley 24, and walk around quarter turn to the right on the left of the pulley of upper driving pulley 24 both sides, 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 by coupling 28, polished rod 31 is fixedly connected with beam hanger 32, beam hanger 32 is fixedly connected with oil pump plunger piston 34.
Oil well pump is comprised 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.
[0012]Embodiment
See Fig. 1, automatic hydraulic beam-pumping unit Hydraulic Power Transmission System fundamental diagram, fuel tank 1 is used for splendid attire, precipitation, cooling fluid force feed, 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, process through automaton, inform through wireless communication device a control room of recovering the oil, automaton is controlled the oil pumper battery main switch simultaneously, in case superpressure, overtemperature, super oil level, the automaton automatic cut-off power is guaranteed the safety of pumping unit operation.Coarse filter 2 use oil pipes are connected with variable displacement with constant power pump 3 inlet ports, and bury in fuel tank fluid, filter larger impurity in fluid during operation, guarantee to enter fluid cleaning in Hydraulic Power Transmission System, and motor 4 use shaft couplings are connected with variable displacement with constant power pump 3 is coaxial.drive 3 work of variable displacement with constant power pump, variable displacement with constant power pump 3 oil-outs are by oil pipe and one way valve 5, adjustable throttling 6 coupled in series, again respectively with accumulator 7, safety valve 8 parallel connections, one way valve 5 guarantees unidirectional operation, adjustable throttling 6 is used for installing, reduce flow during adjustment, reduce hydraulic jack 18 speeds of service, place's full-gear during normal operation, accumulator 7 is used for steady variable displacement with constant power pump 3 pressure fluctuations, safety valve 8 restriction system maximum pressure, in case reach safety valve setting pressure, it opens unloading, pressure oil returns to fuel tank through safety, guarantee the moving row of safety of pumping unit.Then 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, fluid through 3 pressurizations of variable displacement with constant power pump 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 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 fuel tank, consist of oil return circuit, be provided with fine filter 19 in the oil return pipe end, filter out the 15 above impurity of μ m in the hydraulic oil of work, guarantee cleanliness of hydraulic oil.
When piston moves to lower dead center downwards, touch with the rigidly connected drive pulley 21 in piston rod upper end the lower stroke switch 17 that is fixed on guide rail 16, lower stroke switch 17 sends instruction, make two-way two position four-way valve 12 commutations, make flowline 10, pipeline II 14 is connected with hydraulic jack 18 cavity of resorptions, makes simultaneously oil return pipe 9, and pipeline I 13 is connected with hydraulic jack 18 epicoeles.Hydraulic oil enters hydraulic jack 18 cavity of resorptions, pushing piston, and piston rod and upwards operation of drive pulley 21, 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 to 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 valve 12 commutations to position shown in Figure 1, make flowline 10 I 13 and hydraulic jack 18 epicoeles connections 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, hydraulic jack 18 pistons, piston rod and drive pulley 21 are moved downwards, cavity of resorption hydraulic oil is 14 two two position four-way valves 12 of II by the road, 11, oil return pipe 9 returns to fuel tank 1, when hydraulic cylinder piston moves to lower dead center, complete an operation cycle.Oil pressure is worked as in the unidirectional two normal operation place Fig. 1 of position four-way valve 11 positions, during the oil temperature superelevation, shuts down and place's commutation position during starting, makes the hydraulic oil that variable displacement with constant power pump 3 pumps directly return to fuel tank 1, makes motor 4 place's Light Conditions.
See that Fig. 2 is automatic hydraulic beam-pumping unit frame for movement schematic diagram, hydraulic jack 18 is power sources, its fixed frame bottom, hydraulic jack 18 piston rod tops are fixedly connected with 21 times wheel carriers of drive pulley, two groups of three drive pulley 21 are arranged on same axis, and 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 middle second circumference of that pulley of three drive pulley, on extend upper driving pulley 24, and from being installed on same axis, upper driving pulley 24 intermediate pulley right sides walk around quarter turn left, level is stretched to rear driven pulley 23, and walk around quarter turn downwards at rear driven pulley 23 upsides, vertical stretches and is fixedly connected with counter weight device 22.wire rope II 27 is two isometric wire rope, its end is fixed on the frame dividing plate, 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 same axis respectively, extend upper driving pulley 24, and walk around quarter turn to the right on the left of the pulley of upper driving pulley 24 both sides, 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 by coupling 28, polished rod 31 is fixedly connected with beam hanger 32, beam hanger 32 is fixedly connected with oil pump plunger piston 34.
As seen from Figure 2, what automatic hydraulic beam-pumping unit adopted is the speedup assembly pulley, when one meter of drive pulley stroke, two meters of well extension (being the plunger 34 of polished rod 31, beam hanger 32 and oil well pump) and counter weight device 22 strokes, adopt the speedup assembly pulley to shorten the stroke of hydraulic jack 18, reduce the Hydraulic Elements capacity, enlarged simultaneously the oil pumper stroke.
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 are wound around with filter screen, namely are beneficial to well liquid and immerse in sleeve 38, prevent again the silt intrusion, guarantee well liquid cleaning in sleeve, then descend oil well pump, oil pipe 30.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, reserve enough oil depot volumes, namely be beneficial to and store well liquid, also be convenient to the well liquid precipitate simultaneously and purify.
oil well pump is by pump barrel 37, plunger 34, travelling valve 36 and standing valve 35 form, when hydraulic jack 18 piston stroking upward, drive pulley 21 is up, wire rope I 26 is put back to, counter weight device 22 verticals are descending, the driven pulley 21 of wire rope II 27 retraction that arches upward, pull polished rod 31, the plunger 34 of beam hanger 32 and oil well pump is up, at this moment travelling valve 36 cuts out, plunger 34 is top to pump barrel 37, fluid column pressurization in oil pipe 30, when pressure equals, greater than hydrostatic pressure, when hydrodynamic pressure and well head pressure, just with the fluid column lifting in 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, well liquid enters pump barrel 37 cavity of resorptions.
See Fig. 3, Fig. 4, when drive pulley 21 tops during apart from top dead centre 150mm, offset with spring energy storage device I 39 contacts, 39 pairs of drive pulley 21 of spring energy storage device I, hydraulic jack 18 is executed and is carried, and system pressure raises, and kinematic system kinetic energy, hydraulic energy transfer are elastic force potential energy, elliptical gear and compression shock when reducing stop are realized soft commutation.After commutation, hydraulic jack 18 pistons begin when descending, and spring energy storage device I 39 discharges the energy that stores, and together makes kinematic system accelerate to design speed with hydraulic jack 18 and moves downwards.Apart from lower dead center 300mm, drive pulley 21 bottom surfaces and two spring energy storage device II 40 contacts that are arranged symmetrically with offset when drive pulley 21 bottoms, and spring energy storage device II 40 is identical with spring energy storage device I 39 functions.Are 2 times of speed uplink because of hydraulic jack 18 downstream rates, dynamic load is also 2 times, Gu the stroke of spring energy storage device II 40 is designed to 300mm..When hydraulic jack 18 pistons begin when descending, wire rope I 26 is retracted, pull counter weight device 22 up, 1/3 load counterweight is executed to hydraulic system and is carried, maintenance medium compressing cylinder 18 uplink and downlink stroke pressure balances, and wire rope II 27 is relaxed pulls out, well is hung descending, at this moment standing valve 35 cuts out, and travelling valve 36 is opened, the well liquid below plunger 34 by travelling valve 36 enter plunger 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, maintenance medium pressing system pressure stability.
1, the utility model automatic hydraulic beam-pumping unit, for crank rocker beam pumping unit six point defects, the structure that breaks traditions constraint, adopt the trussed construction vertical derrick, the speedup assembly pulley, the steel cable flexible transmission, the variable displacement with constant power pump, hydraulic jack drives, 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 in ability from the life of motion tracking well liquid, in case fault, overload, automatic alarm, autostop, be similar to non-maintaining, decided the basis for an oil modern management pad simultaneously.
2, (1) adopts the open type volume deceleration that variable displacement with constant power pump and quantitative hydraulic oil cylinder form, the compensator pressure transmission system, realize load (being Hydraulic Power Transmission System pressure) feedback regulation variable pump flow, and then regulator solution compressing cylinder speed and suspension point speed, realize automatic hydraulic beam-pumping unit " 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 trussed construction vertical derrick, the two guide rail guiding of speedup pulley block mechanism and drive pulley and constraint, realization reduces the hydraulic jack stroke, the Hydraulic Elements capacity, enlarged simultaneously the oil pumper stroke, the utility model automatic hydraulic beam-pumping unit stroke is 8m, if need, can also strengthen stroke.
(3) adopt well to hang weight complete equipilibrium counterweight and 1/3 load counterweight, realize the upper and lower stroke pressure balance of hydraulic system and eliminate well and hang gravitional force loss and waste.
(4) adopt the spring energy storage device, absorb and store transmission system stop place kinetic energy, and discharge when backward stroke starts, eliminate transmission system stop kinetic energy and waste, and reduce hydraulic shock.
(5) adopt pressure, automatic temperature control system and wireless communication device, realize automatic alarm, autostop and Long-distance Control are for an oil modern management lays the first stone.
3, automatic hydraulic beam-pumping unit is compared with the discharge capacity beam pumping unit with same model:
(1) reduce motor capacity 53%, and current constant, without feedback and impact, can realize energy-conservation nearly 50% to electrical network.
(2) need not to patrol well, survey producing fluid level and " transferring ginseng ", can save manpower and increase the production time, enhance productivity.
(3) realize automatic alarm, autostop reaches the long-range control of shaking, for an oil modern management lays the first stone.
the design concept of the utility model automatic hydraulic beam-pumping unit, with variable displacement with constant power 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, tubing diameter, the pump barrel diameter, well liquid is heavy, viscosity, during well head pressure, just can go out by hydrostatics and hydrokinetics calculation the pressure limit of this well, and adjust variable displacement with constant power pump pressure-rating curve by this, make two characteristic curves reasonable combination in pressure limit, just realized full-automatic in pressure limit of oil pumper.In addition, full-automatic oil pumper is when oil well pump capacity and well liquid growing amount coupling, but the maximum generative capacity of its Automatic-searching well liquid, and press the maximum generative capacity oil pumping of well liquid, keep the dynamic equilibrium of the maximum generative capacity of oil well pump flow and well liquid.

Claims (3)

1. automatic hydraulic beam-pumping unit, it is characterized in that: automatic hydraulic beam-pumping unit is comprised of Hydraulic Power Transmission System and frame for movement two parts, and Hydraulic Power Transmission System is by fuel tank (1), coarse filter (2), variable displacement with constant power 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) form, fuel tank (1) is a rectangular box, coarse filter (2) is connected with variable displacement with constant power pump (3) inlet port by oil pipe, motor (4) is by shaft coupling and coaxial connection of variable displacement with constant power (3), and variable displacement with constant power pump (3) oil-out is by oil pipe and one way valve (5), adjustable throttling (6) is connected in series, more respectively with accumulator (7), safety valve (8) is connected in parallel, and flowline (10) is through unidirectional two position four-way valves (11), two two position four-way valves (12), pipeline I (13) is connected with hydraulic jack (18) epicoele, and pipeline II (14) one ends are connected with hydraulic jack (18) cavity of resorption, the other end and two-way two position four-way valves (12), unidirectional two position four-way valves (11), oil return pipe (9) connects, and oil return pipe (9) stretches in fuel tank, consists of oil return circuit, is provided with fine filter (19) in the oil return pipe end.
2. automatic hydraulic beam-pumping unit according to claim 1, it is characterized in that: automatic hydraulic beam-pumping unit frame for movement part is by underdrive pulley (20), drive pulley (21), counter weight device (22), rear driven pulley (23), upper driving pulley (24), driving front 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), spring energy storage device I (39) and spring energy storage device II (40) form, hydraulic jack (18) is power source, be fixed on the bottom of frame, hydraulic jack (18) piston rod top is fixedly connected with the lower wheel carrier of drive pulley (21), two groups three drive pulley (20) are arranged on same axis, the axle two ends are fixedly mounted on, in the middle of 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 middle second circumference of that pulley of three drive pulley, on extend upper driving pulley (24), and from being installed on same axis, upper driving pulley (24) intermediate pulley right side walks around quarter turn left, level is stretched to rear driven pulley (23), and walk around quarter turn downwards at rear driven pulley (23) upside, vertical stretches and is fixedly connected with counter weight device (22), wire rope II (27) is two isometric wire rope, one end is fixed on the frame dividing plate, 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 second circumference of pulley (20) and walk around from same axis twice are installed respectively, extend upper driving pulley (24), and walk around quarter turn to the right on the left of the pulley of upper driving 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, vertical stretches, and be fixedly connected with polished rod (31) by coupling (28), polished rod (31) is fixedly connected with beam hanger (32), beam hanger (32) is fixedly connected with oil pump plunger piston (34).
3. automatic hydraulic beam-pumping unit according to claim 1, it is characterized in that: oil well pump is comprised 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).
CN 201220461917 2012-09-12 2012-09-12 Fully-automatic hydraulic oil pumping machine Expired - Fee Related CN202926293U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
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CN102828729A (en) * 2012-09-12 2012-12-19 鞍山红拖轧钢有限公司 Fully-automatic hydraulic pumping unit
CN104790919A (en) * 2015-05-12 2015-07-22 天津市仕杰达能源技术开发有限公司 Automatic reversing hydraulic pumping unit long in stroke
CN105909217A (en) * 2016-06-22 2016-08-31 杜殿起 Fully automatic hydraulic oil pumping unit with double cylinders connected in parallel
CN106014342A (en) * 2016-05-11 2016-10-12 中国石油天然气股份有限公司 Oil pumping device
CN107435529A (en) * 2016-05-27 2017-12-05 胜利油田高原石油装备有限责任公司 Using can reverse variable pump times journey hydraulic pumping unit

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102828729A (en) * 2012-09-12 2012-12-19 鞍山红拖轧钢有限公司 Fully-automatic hydraulic pumping unit
CN104790919A (en) * 2015-05-12 2015-07-22 天津市仕杰达能源技术开发有限公司 Automatic reversing hydraulic pumping unit long in stroke
CN106014342A (en) * 2016-05-11 2016-10-12 中国石油天然气股份有限公司 Oil pumping device
CN107435529A (en) * 2016-05-27 2017-12-05 胜利油田高原石油装备有限责任公司 Using can reverse variable pump times journey hydraulic pumping unit
CN107435529B (en) * 2016-05-27 2020-02-11 胜利油田高原石油装备有限责任公司 Double-stroke hydraulic pumping unit adopting reversible variable pump
CN105909217A (en) * 2016-06-22 2016-08-31 杜殿起 Fully automatic hydraulic oil pumping unit with double cylinders connected in parallel

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