The oil pumping tail walking beam of rectangular steel pipe
Technical field
The utility model relates to a kind of beam pumping unit tail walking beam, especially relates to a kind of oil pumping tail walking beam of rectangular steel pipe.
Background technology
Beam pumping unit is oil recovery production application Surface power drive drive apparatus the most widely, beam pumping unit is made up of engine, gear reduction unit, crank, balance weight, connecting rod, walking beam, support and horse head etc., by reducer, crank connecting link, the rotary motion of engine is become the reciprocating motion of sucker rod and oil well pump, realize oil suction and the oil extraction process of oil well pump.In oil extraction in oil field is produced, due to the continuous change of oil reservoir situation, beam pumping unit needs often to adjust balance, even to ensure the load of the upper and lower stroke of oil pumper, extension device application life and energy-saving and cost-reducing, therefore counterbalance effect is directly connected to the usefulness of oil pumper.
Chinese utility model patent disclosed in 13 days November in 2013 " automatic adjusting balance beam pumping unit tail walking beam " (publication number CN203285401U), in order to the poor safety performance, the balance weight moving range that overcome the beam pumping unit existence of existing autonomic balance mode are little, can not reduce the deficiencies such as oil pumper energy consumption to greatest extent, the utility model is longitudinally installed with 2 tooth bars be parallel to each other along tail walking beam; Tail walking beam is provided with balance vernier assembly; The main body of balance vernier assembly is frame construction, and tail walking beam is positioned at main body frame; Balance vernier assembly moves along the tooth bar of tail walking beam; The cross section of tail walking beam is "door" type, and 2, the upper cross plate lower end outboard end of tail walking beam is vertically installed with side plate, and side plate lower end is installed with tooth bar fixed head; 2 tooth bars be parallel to each other are fixedly mounted on the tooth bar fixed head lower end of tail walking beam; The outer end of upper cross plate upper surface is track.This tail walking beam can improve balance of well pumping unit adjustable range; Complete machine modular construction is compact, is conducive to reducing energy consumption.But cross section is that the tail walking beam intensity of "door" type is low, can not bear the balancing weight of large quality; Its main body is overall structure, is not easy to dismounting, can not adjust counterweight according to load, cannot meet the need of production that oil pumper load change is large.
Utility model content
In order to overcome existing cross section be "door" type tail walking beam exist intensity low, the balancing weight of large quality can not be born; Its main body is overall structure, is not easy to dismounting, can not adjust counterweight according to load, and cannot meet the large need of production of oil pumper load change not enough, the utility model provides a kind of oil pumping tail walking beam of rectangular steel pipe.
The utility model solves the technical scheme that its technical problem adopts: the oil pumping tail walking beam of rectangular steel pipe comprises tail walking beam body, balance vernier assembly, motor, reducer, is longitudinally installed with 2 tooth bars be parallel to each other along tail walking beam body; The main body of balance vernier assembly is frame construction, and tail walking beam body is positioned at main body frame; Balance vernier assembly moves along the tooth bar of tail walking beam body, and the lower end inside of tail walking beam body is installed with motor, reducer, and the output shaft two ends of reducer are provided with the gear be meshed with tooth bar; Balance vernier assembly moves along the tooth bar of tail walking beam, and the cross section of tail walking beam body is rectangular tubular; The upper end of tail walking beam body is longitudinally installed with 2 tracks be parallel to each other; The lower end of tail walking beam body is longitudinally installed with 2 the tooth bar links be parallel to each other.Track is angle steel; Tooth bar link is angle steel.The rectangular steel pipe of tail walking beam body is welded by 4 block plates.Tooth bar is fixedly mounted on the below of tooth bar link.
The main body of balance vernier assembly comprises upper body and lower body, and upper body is inverted " U " shape, and lower body is " U " shape, and the lower end of upper body and the upper end of lower body are composed of a fixed connection frame construction; Lower body is installed with motor, reducer.Upper body is made up of 1 horizontal ballast box and 2 ballast boxes, and 2 ballast boxes are fixedly mounted on the both sides of horizontal ballast box lower end.Horizontal ballast box rear and front end is respectively provided with 2 castor installing racks, is arranged on the rail moving of the castor on castor installing rack along tail walking beam body upper end.
The lower end of ballast box is installed with upper body junction plate, and two upper ends of lower body are installed with lower body junction plate respectively, and upper body junction plate and described lower body junction plate are bolted to connection.The side of upper body is provided with cell panel; Lower body is provided with balance Venier controller.
The beneficial effects of the utility model are, reasonable in design, and the tail walking beam body of rectangular steel pipe makes counterweight space large, and complete machine modular construction is compact, easy accessibility; Counterweight can be adjusted according to load, improve balance of well pumping unit adjustable range, be conducive to reducing energy consumption, improve usefulness.
Accompanying drawing explanation
Fig. 1 is the oil pumping tail girder construction of swimming schematic diagram of the utility model rectangular steel pipe.
In figure: 3. tail walking beam body, 8. bolt, 9. tooth bar, 13. lower bodies, 14. castors, 15. balance vernier assemblies, 17. bolts, 20. balance Venier controllers, 21. gears, 23. reducers, 25. cell panels, 27. castor installing racks, 28. tracks, 29. ballast boxes, 30. upper bodies, 31. horizontal ballast boxes, 32. bolts, 34. tooth bar links, 36. upper body junction plates, 37. lower body junction plates.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.But those skilled in the art should know, the invention is not restricted to listed detailed description of the invention, as long as spirit according to the invention, all should be included in protection scope of the present invention.
See accompanying drawing 1.The oil pumping tail walking beam of the utility model rectangular steel pipe, comprise tail walking beam body 3, balance vernier assembly 15, the main body of balance vernier assembly 15 is frame construction, and tail walking beam body 3 is positioned at main body frame.
The cross section of tail walking beam body 3 is rectangular tubular, can be rectangular steel pipe, also can be welded by 4 block plates.Preferred rectangular steel pipe tail walking beam body 3 is welded by 4 block plates, and supporting capacity is good.The upper end of tail walking beam body 3 is longitudinally installed with 2 tracks 28 be parallel to each other, and angle steel selected by usual track 28, and is buckled in inside the right angle of angle steel on the right angle of tail walking beam body 3 upper end, and is fixedly connected with by welding manner.The lower end of tail walking beam body 3 is longitudinally installed with 2 the tooth bar links 34 be parallel to each other, and usual tooth bar link 34 selects angle steel, and 1 outer side edges of angle steel and the outside of tail walking beam body 3 lower end are fixedly connected by welding.The below of tooth bar link 34 is installed with tooth bar 9, and tooth bar link 34 can be fixedly connected with by bolt 8 with tooth bar 9.
The main body of balance vernier assembly 15 comprises upper body 30 and lower body 13.Upper body 30 is inverted " U " shape, and lower body 13 is " U " shape, and the lower end of upper body 30 and the upper end of lower body 13 are composed of a fixed connection frame construction.
Inversion " U " shape of the upper body 30 of balance vernier assembly 15 main body is made up of 1 horizontal ballast box 31 and 2 ballast boxes 29.2 ballast boxes 29 are fixedly mounted on the both sides of horizontal ballast box 31 lower end, and horizontal ballast box 31 and/or ballast box 29 can casings, also can entity.When horizontal ballast box 31 and/or 29 is casing, according to the workload needs of oil pumper, the mass of suitable weight can be filled in casing, improve balance of well pumping unit adjustable range, be conducive to reducing energy consumption, improve usefulness.The material that mass adopts under normal circumstances is cast iron, barite, concrete, iron ore, iron sand, iron block etc.Horizontal ballast box 31 rear and front end is respectively provided with 2 castor installing racks 27, is arranged on the castor 14 on castor installing rack 27 and moves along the track 28 of tail walking beam body 3 upper end.The side of upper body 13 is provided with cell panel (25).
" U " shape lower body 13 of balance vernier assembly 15 main body can be connected to form by 1 base and 2 pieces of side plate Interal fixation.Base is installed with motor, reducer 23, and reducer 23 is fixedly connected with base by bolt 32, and the output shaft two ends of reducer are provided with the gear 21 be meshed with tooth bar 9; Balance vernier assembly 15 moves along the tooth bar 9 being fixedly mounted on tail walking beam body 3.The side plate of lower body 13 is provided with balance Venier controller 20.
Be installed with upper body junction plate 36 in the lower end of 30 two ballast boxes 29 in upper body of balance vernier assembly 15 main body, the general welding manner that adopts is fixedly connected with; Be installed with lower body junction plate 37 respectively in lower body 13 two upper ends of balance vernier assembly 15 main body, the general welding manner that adopts is fixedly connected with; After upper body junction plate 36 is fixedly connected with by bolt 17 with lower body junction plate 37, balance vernier assembly 15 can vertically move along tail walking beam body 3.The main body of the balance vernier assembly 15 formed is bolted to connection, easy disassembly by upper body 30 and lower body 13.
Tail walking beam main body of the present utility model adopts concrete filled rectangular steel tube members, its both sides, top and inside have larger space, balance vernier assembly inside can be made to have larger counterweight space, be convenient to the structure design of balance vernier assembly and increase weight material to increase balance vernier weight, improving balance of well pumping unit adjustable range.
It should be noted that above-described embodiment is example and unrestricted the present invention, those skilled in the art can design a lot of alternate embodiment and not depart from the right of this patent.