CN201786333U - Energy-saving pumping unit - Google Patents

Abstract

The utility model belongs to cluster well racking tube pump oil extraction equipment, and particularly relates to an energy-saving pumping unit, wherein two energy-saving pumping units can be simultaneously driven by a set of power source. The energy-saving pumping unit comprises a hydraulic system (1), a valve (1-1), a pipeline (1-2), a welding joint (21), a pipe joint cap (20) and the like, a base packing box (3) penetrates through a piston rod (2) and is hermetically connected with the piston rod (2) through a shaft seal (27), the lower end of a connecting barrel (4) is connected with the base packing box (3) via threads, a packing gland (5) is respectively fixed at the upper end of the base packing box (3) and the lower end of a lower cylinder cap (6) via hexagon-headed bolts II (28), a dust ring (26) is arranged in the packing gland (5), the upper end of the connecting barrel (4) is connected with the lower end of the lower cylinder cap (6) via threads, a guide band (25) is disposed in the lower cylinder cap (6), and a side hole of the lower cylinder cap (6) is connected with the welding joint (21) via threads. The energy-saving pumping unit is small in volume of a host, light in weight, simple in structure, few in consumed materials and low in price and one-step investment of equipment.

Description

Energy-saving beam pumping unit

Technical field

The utility model belongs to cluster well calandria pump oil production equipment, and particularly a kind of cover power drives two energy-saving beam pumping unit simultaneously.

Background technology

At present, the home and abroad oil-field oil pumper is of a great variety, but great majority all are the types that build is big, highly energy-consuming involves great expense, and all oil pumper are had certain improvement at each elephant aspect the energy-conservation produce oil in recent years, but for power consumption is nondecreasing, and its infusion of financial resources is also many.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned technical deficiency, provide a kind of energy-conservation, volume is little, in light weight, cost is low, easy to maintenance, can directly be contained in the energy-saving beam pumping unit on the well head.

The technical scheme that the utility model technical solution problem adopts is: energy-saving beam pumping unit comprises hydraulic system, valve, pipeline, welding point, the union pressure cap, the abnormity welding point, universal welded stub connection, combination sealing pad one, two, be characterized in that the base packing box passes piston rod and is tightly connected with this special envelope by axle, the connecting cylinder lower end is threaded with the base packing box, packing gland is fixing with hexagon-headed bolt two in base packing box upper end and following cylinder cap lower end respectively, the konisphere of setting up defences in the packing gland, the upper end of connecting cylinder is threaded with following cylinder cap lower end, establish guidance tape in the following cylinder cap, following cylinder cap side opening is threaded with welding point, the cylinder sleeve lower end is threaded with following cylinder cap upper end, abnormity welding point lower end is fixed on down upper end one side of cylinder cap with hexagon-headed bolt one, weld with the universal joint body, union is threaded with special-shaped welding point lower end side opening, following cylinder cap is connected with cylinder sleeve, the upper cylinder half cap thread connects suspension ring, bearing pin interts on suspension ring and baffle plate, upper cylinder half cap side opening connects universal welded stub connection, universal joint body and function hex nut is fixed on the universal welded stub connection, piston rod top equipment cap is also fixing with holding screw two, be followed successively by downwards and set upright plug, piston, buffering is set upright plug and is contained in the annular space of cylinder sleeve and piston rod, seals with Glais ring and sealing ring two with the hole on the piston.

The beneficial effects of the utility model are: compare energy-conservation more than 30% with beam pumping unit; The main frame volume is little, and is in light weight, is directly installed on the well head, reduced floor space; Simple in structure, few with material, price is low, and the equipment one-time investment is few; Electrical equipment and hydraulic system concentrate in the skid-mounted type casing, and be on-the-spot easy for installation; Adopt digital integrated control system, regulated oil pumping throw of pump and jig frequency conveniently accurately; Control system has automatically and the manual switch function, is convenient to Installation and Debugging; Control system has 3 kinds of duty translation functions, i.e. twin-well duty, but another mouthful well ordinary production during the workover treatment of a bite well; The main frame top is provided with hoisting ring, and special-purpose wire line hitch is attached thereto.Hook and decoupling device are all finished on ground during lifting; Be connected with pipeline between Hydraulic Station and oil pumper, the distance during therefore on-the-spot the installation between two oil pumpers is unrestricted.Only need the adjustable pipe line length to get final product.

Description of drawings

Specify with embodiment below in conjunction with accompanying drawing.

Fig. 1 is an energy-saving beam pumping unit structure sectional view.

Fig. 2 is the A-A sectional view of Fig. 1.

Among the figure, the 1-hydraulic system; The 1-1-valve; The 1-2-pipeline; The 1-3-union; The 2-piston rod; 3-base packing box; The 4-connecting cylinder; The 5-packing gland; Cylinder cap under the 6-; The 7-cylinder sleeve; The 8-buffering is set upright plug; The 9-piston; 10-sets upright plug; 11-is equipped with cap; 12-upper cylinder half cap; The 13-suspension ring; The 14-bearing pin; The 15-baffle plate; The universal welded stub connection of 16-; The 17-hex nut; 18-universal joint body; 19-abnormity welding point; 20-union pressure cap; The 21-welding point; 22-hexagon-headed bolt one; 23-combination sealing pad one; 24-combination sealing pad two; The 25-guidance tape; The 26-dust ring; The 27-axle seals with this spy; 28-hexagon-headed bolt two; 29-sealing ring one; 30-holding screw one; 31-hole Glais ring; 32-sealing ring two; 33-holding screw two; 34-sealing ring three.

The specific embodiment

Embodiment, with reference to accompanying drawing 1,2, energy-saving pumping unit base packing box 3 passes piston rod 2 and is tightly connected with this special envelope 27 by axle, and connecting cylinder 4 lower ends are threaded with base packing box 3; Packing gland 5 is fixing by hexagon-headed bolt 2 28 in base packing box 3 upper ends and following cylinder cap 6 lower ends respectively, has dust ring 26, axle to seal 27 with this spy in the packing gland 5; Connecting cylinder 4 upper ends are threaded with following cylinder cap 6 lower ends, are guidance tape 25 in the following cylinder cap 6, and following cylinder cap 6 side openings are threaded with welding point 21, and combination sealing pad 2 24 is arranged in the junction.Welding point 21 right-hand member pipeline 1-2 connect valve 1-1, connect with pipeline 1-2 between the two valve 1-1, and valve 1-1 right-hand member connects hydraulic system 1.Cylinder sleeve 7 lower ends are threaded with following cylinder cap 6 upper ends and seal with sealing ring 1, following cylinder cap 6 upper end side openings are fixing with cylinder sleeve 7 with holding screw 1, simultaneously special-shaped welding point 19 lower ends are fixed on down upper end one side of cylinder cap 6 by hexagon-headed bolt 1, and are welded to connect with universal joint body 18; Union 1-3 is connected with valve 1-1 with union pressure cap 20, and is threaded with special-shaped welding point 19 lower end side openings, and union 1-3 thread root is a combination sealing pad 1.Upper cylinder half cap 12 is connected with cylinder sleeve 7, the upper cylinder half cap 12 tops suspension ring 13 that are threaded, and bearing pin 14 interts on the baffle plate 15 of suspension ring 13.Upper cylinder half cap 12 side openings connect universal welded stub connection 16, and universal joint body 18 is fixed on the universal welded stub connection 16 by hex nut 17, and the junction seals with sealing ring 3 34.Piston rod 2 top equipment caps 11 also use holding screw 2 33 to fix, and are followed successively by downwards and set upright plug 10, piston 9, cushion and set upright plug 8, and these single-pieces are contained in the annular space of cylinder sleeve 7 and piston rod 2, and porose Glais ring 31 and the sealing ring 2 32 used seals on the piston 9.

Energy-saving beam pumping unit is to reach purpose of energy saving with two oil pumpers of a cover power drive (omitting hydraulic system 1 right side oil pumper among Fig. 1).The oil pumper main frame of two mouthfuls of wells selects same model, satisfies two mouthfuls of wells simultaneously and requires to be as the criterion.Behind selected good oil well pump and the oil pumper, at first oil well pump is gone into the well, again sucker rod is gone into the well, mix up dead space, prepare sucker rod length.Install well head, packing box is enclosed within on the oil pumper main frame piston rod 2, lifting oil pumper main frame is connected piston rod 2 with rod string, transfer main frame, to connecting base disk root box 3, fixes the main frame base.Primer fluid system 1 carries out the individual well examination respectively and takes out, and gas in the emptying pipeline mixes up stroke.Be transformed into the twin-well duty and try automatically to take out, set up circulation timei, adjust hydraulic system 1 discharge capacity itself and circulation timei are complementary, can normally move oil recovery at last.

When the need workover treatment, be transformed into manual state earlier, close corresponding pipeline valve, turn hydraulic system 1 discharge capacity down, be transformed into the individual well duty and carry out individual well production.Another mouthful well can carry out workover treatment.

Claims (1)

1. energy-saving beam pumping unit, comprise hydraulic system (1), valve (1-1), pipeline (1-2), welding point (21), union pressure cap (20), abnormity welding point (19), universal welded stub connection (16), combination sealing pad one, two (23,24), it is characterized in that base packing box (3) passes piston rod (2) and is tightly connected with this special envelope (27) by axle, connecting cylinder (4) lower end is threaded with base packing box (3), packing gland (5) is fixing with hexagon-headed bolt two (28) in base packing box (3) upper end and following cylinder cap (6) lower end respectively, the konisphere (26) of setting up defences in the packing gland (5), the upper end of connecting cylinder (4) is threaded with following cylinder cap (6) lower end, establish guidance tape (25) in the following cylinder cap (6), following cylinder cap (6) side opening is threaded with welding point (21), cylinder sleeve (7) lower end is threaded with following cylinder cap (6) upper end, abnormity welding point (19) lower end is fixed on down upper end one side of cylinder cap (6) with hexagon-headed bolt one (22), weld with universal joint body (18), union (1-3) is threaded with special-shaped welding point (19) lower end side opening, following cylinder cap (6) is connected with cylinder sleeve (7), upper cylinder half cap (12) suspension ring (13) that are threaded, bearing pin (14) interts on suspension ring (13) and baffle plate (15), upper cylinder half cap (12) side opening connects universal welded stub connection (16), universal joint body (18) is fixed on the universal welded stub connection (16) with hex nut (17), piston rod (2) top equipment cap (11) is also fixing with holding screw two (33), be followed successively by downwards and set upright plug (10), piston (9), buffering is set upright in the annular space that plug (8) is contained in cylinder sleeve (7) and piston rod (2), and piston (9) is gone up with the hole and sealed with Glais ring (31) and sealing ring two (32).

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