CN220645911U

CN220645911U - Energy-saving dragging device of oil pumping unit

Info

Publication number: CN220645911U
Application number: CN202322320231.8U
Authority: CN
Inventors: 齐春辉; 张少辉; 孙继学
Original assignee: Daqing Tengfei Petroleum Machinery Co ltd
Current assignee: Daqing Tengfei Petroleum Machinery Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-03-22
Anticipated expiration: 2033-08-29

Abstract

The utility model belongs to the technical field of oil pumping equipment, in particular to an energy-saving dragging device of an oil pumping machine, aiming at the fact that the rotation speeds after transmission are consistent, the workload of a reduction gearbox is increased, surplus energy is consumed, the vertical position of a swinging hammer cannot be adjusted, the power waste of a driving motor is easily caused, and the service life of the driving motor and the oil pumping machine is shortened. When the utility model is used, the reduction of the rotation speed of the reduction gearbox required to be buffered is facilitated, the unnecessary energy loss is reduced, the adjustment of the installation position of the balance weight is facilitated, the operation of the pumping unit under the balance condition is facilitated, the waste of the power of the driving motor is prevented, the efficiency of the driving motor is improved, and the service life of equipment is prolonged.

Description

Energy-saving dragging device of oil pumping unit

Technical Field

The utility model relates to the technical field of oil pumping equipment, in particular to an energy-saving dragging device of an oil pumping unit.

Background

Beam-pumping unit, also called beam-pumping unit, beam-balanced pumping unit, refers to pumping unit comprising beam, balanced by reversing and crank weights, commonly called kowtow. The beam pumping unit is one of the types mainly used in oil field, and consists of four parts, including horsehead, beam, connecting rod, crank mechanism and auxiliary equipment. When the oil well is in operation, the rotation of the motor is changed into the up-and-down motion of the horsehead through the gearbox and the crank connecting rod mechanism, and the horsehead drives the underground oil well to do up-and-down motion through the polished rod, so that the crude oil in the well is continuously pumped out.

Through retrieving, the patent of publication number CN208971326U discloses a beam-pumping unit permanent magnetism energy-saving dragging device, including the bottom plate, the left end of bottom plate top surface has the support column, the top fixed mounting of support column has the backup pad, the top surface fixed mounting of backup pad has driving motor, driving motor's output shaft fixed sleeve has driven flywheel, the right-hand member fixed mounting of bottom plate top surface has the brace table.

The energy-saving dragging device drives the flywheel to be consistent with the driven flywheel in size, when the driving motor drives the driving flywheel to rotate, the driven flywheel is consistent with the number of turns of the driving flywheel, so that the rotation speed after transmission is consistent, the workload of a reduction gear box is increased, surplus energy consumption is caused, the swinging arm is fixedly connected with the swinging hammer, the vertical position of the swinging hammer cannot be adjusted, the swinging balance cannot be adjusted according to the power of the driving motor, the driving motor is easy to bear extremely large load during upstroke, the pumping unit is driven by the driving motor during downstroke, the power of the driving motor is wasted, the efficiency of the driving motor is reduced, and the service lives of the driving motor and the pumping unit are shortened.

Aiming at the problems, the utility model provides an energy-saving dragging device of an oil pumping unit.

Disclosure of Invention

The utility model provides an energy-saving dragging device of an oil pumping machine, which solves the problems that in the prior art, the rotation speed after transmission is consistent, the workload of a reduction gear box is increased, excessive energy is consumed, the vertical position of a swinging hammer cannot be adjusted, a driving motor is easy to bear extremely large load during the upstroke, and the oil pumping machine drives the driving motor to operate during the downstroke, so that the power of the driving motor is wasted, the efficiency of the driving motor is reduced, and the service lives of the driving motor and the oil pumping machine are shortened.

The utility model provides the following technical scheme:

energy-conserving draw gear of beam-pumping unit includes:

the device comprises a base, wherein one end of the top of the base is fixedly connected with a supporting block, the top of the supporting block is fixedly provided with a reduction gearbox, two sides of the reduction gearbox are respectively provided with a crank, two sides of each crank are respectively provided with a balance block, the side walls of each crank are rotatably provided with a connecting rod, the tops of the two connecting rods are fixedly connected with the same cross beam, the upper part of the base is provided with a walking beam, and one end of the walking beam is fixedly connected with a horse head;

the driving assembly is arranged on the supporting block and used for driving the crank to rotate;

and the adjusting component is arranged on the crank and used for adjusting the mounting positions of the balance weights at two sides of the crank.

In one possible design, the driving assembly comprises a mounting plate fixedly connected to one side of the supporting block, a driving motor is fixedly mounted at the top of the mounting plate, a small belt pulley is fixedly connected to an output shaft of the driving motor, a large belt pulley is fixedly connected to an input shaft of the reduction gearbox, the small belt pulley and the large belt pulley are in transmission connection with the same belt, and two ends of an output shaft of the reduction gearbox are respectively fixedly connected with one side of a crank which is close to the two ends of the output shaft of the reduction gearbox.

In one possible design, the adjusting component comprises two rows of threaded holes symmetrically arranged on the side wall of the crank, each row of threaded holes are all equidistantly arranged, a notch is formed in the top of the balance weight, a bolt matched with the threaded holes is movably connected in the notch, and one end of the bolt penetrates through the balance weight and is in threaded connection with one of the threaded holes.

In one possible design, the middle part fixedly connected with axis of walking beam bottom, the top fixedly connected with cat ladder type support of base, the other end and the lateral wall fixed connection of supporting shoe of cat ladder type support bottom, the axis is articulated with the top of cat ladder type support, the afterbody fixedly connected with tail axle of walking beam bottom, the tail axle is articulated with the top of crossbeam.

In one possible design, the crank has a first stroke opening and the counterweight has a second stroke opening.

In one possible design, the base is made of channel steel, and a plurality of rectangular holes are formed in the base at equal intervals.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

According to the utility model, through the cooperation of the reduction gearbox, the driving motor, the small belt pulley and the large belt pulley, the driving motor drives the small belt pulley to rotate and drives the large belt pulley to rotate through belt transmission, so that the number of turns generated by the excessively fast rotating speed of the small belt pulley is converted into the fewer rotating turns of the large belt pulley, the rotating speed of the reduction gearbox required to be buffered is reduced, and unnecessary energy loss is reduced.

The utility model is convenient to adjust the installation position of the balance weight by arranging the adjusting component, promotes the driving motor to do positive work and equal work in the up-and-down stroke, stores the energy in the down stroke, and utilizes the stored energy to help the driving motor to do work in the up-stroke, thereby being beneficial to ensuring the pumping unit to operate under the balance condition, preventing the power waste of the driving motor, improving the efficiency of the driving motor and prolonging the service life of equipment.

According to the utility model, the first stroke hole and the second stroke hole are arranged, so that the stroke adjustment is facilitated, and the balanced operation of the pumping unit is promoted; by arranging the rectangular holes, the forklift or crane mobile equipment can be conveniently utilized; through setting up cat ladder formula support, the staff of being convenient for scrambles and overhauls equipment eminence.

The utility model is beneficial to reducing the rotation speed of the reduction gearbox required to be buffered, reducing unnecessary energy loss, facilitating the adjustment of the installation position of the balance weight, ensuring the operation of the pumping unit under the balance condition, preventing the waste of the power of the driving motor, improving the efficiency of the driving motor and prolonging the service life of equipment.

Drawings

Fig. 1 is a schematic perspective view of an energy-saving dragging device of an oil pumping unit according to an embodiment of the present utility model;

fig. 2 is a schematic view of another view angle structure of the energy-saving dragging device of the pumping unit according to the embodiment of the utility model;

fig. 3 is a schematic diagram of a connection structure between a crank and a balance weight of an energy-saving dragging device of an oil pumping unit according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of a disassembling structure of a crank and a balance weight of an energy-saving dragging device of an oil pumping unit according to an embodiment of the present utility model.

Reference numerals: 1. a base; 2. a rectangular hole; 3. a support block; 4. a reduction gearbox; 5. a mounting plate; 6. a driving motor; 7. a small pulley; 8. a large pulley; 9. a crank; 10. a balance weight; 11. a notch; 12. a threaded hole; 13. a bolt; 14. a first stroke hole; 15. a second stroke hole; 16. a connecting rod; 17. a cross beam; 18. a walking beam; 19. horsehead; 20. a center shaft; 21. a tail shaft; 22. ladder-type support.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.

In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Example 1

Referring to fig. 1-4, the energy-saving dragging device of the pumping unit includes:

the device comprises a base 1, wherein one end of the top of the base 1 is fixedly connected with a supporting block 3, the top of the supporting block 3 is fixedly provided with a reduction gearbox 4, two sides of the reduction gearbox 4 are respectively provided with a crank 9, two sides of each crank 9 are respectively provided with a balance weight 10, the side walls of each crank 9 are rotatably provided with a connecting rod 16, the tops of the two connecting rods 16 are fixedly connected with the same cross beam 17, the upper part of the base 1 is provided with a walking beam 18, and one end of the walking beam 18 is fixedly connected with a horse head 19;

the driving assembly is arranged on the supporting block 3 and is used for driving the crank 9 to rotate;

the adjusting component is arranged on the crank 9 and is used for adjusting the installation positions of the balance weights 10 on two sides of the crank 9.

According to the technical scheme, the driving assembly is arranged, so that the rotation speed of the reduction gearbox 4 required to be buffered is reduced, and unnecessary energy loss is reduced; through setting up adjusting part, be convenient for carry out the adjustment of balancing piece 10 mounted position, be favorable to guaranteeing the beam-pumping unit and move under balanced condition, improve equipment life.

Referring to fig. 1-2, the driving assembly includes a mounting plate 5 fixedly connected to one side of the supporting block 3, a driving motor 6 is fixedly mounted at the top of the mounting plate 5, a small belt pulley 7 is fixedly connected to an output shaft of the driving motor 6, a large belt pulley 8 is fixedly connected to an input shaft of the reduction gearbox 4, the small belt pulley 7 and the large belt pulley 8 are in transmission connection with the same belt, and two ends of an output shaft of the reduction gearbox 4 are respectively fixedly connected to one side of a crank 9 which is close to the small belt pulley 7.

The technical scheme can achieve the purposes that the driving motor 6 drives the small belt pulley 7 to rotate and drives the large belt pulley 8 to rotate through belt transmission, so that the number of turns generated by the excessively fast rotating speed of the small belt pulley 7 is converted into the smaller number of rotating turns of the large belt pulley 8, the rotating speed of the reduction gearbox 4 which is required to be buffered is reduced, and unnecessary energy loss is reduced.

Referring to fig. 2-4, the adjusting assembly includes two rows of screw holes 12 symmetrically disposed on the side wall of the crank 9, each row of screw holes 12 are disposed at equal intervals, a gap 11 is formed at the top of the balance weight 10, a bolt 13 adapted to the screw hole 12 is movably connected in the gap 11, and one end of the bolt 13 penetrates through the balance weight 10 and is in threaded connection with one of the screw holes 12.

According to the technical scheme, when the installation position of the balance weight 10 can be adjusted, the corresponding bolt 13 is unscrewed, the balance weight 10 is moved up to the proper threaded hole 12 and is fixed again by the bolt 13, adjustment of the installation position of the balance weight 10 is facilitated, the driving motor 6 is enabled to do positive work and do equal work in the up-down stroke, the energy is stored in the down-stroke, the stored energy is utilized to assist the driving motor 6 in doing work in the up-stroke, the pumping unit is guaranteed to operate under the balance condition, waste of power of the driving motor 6 is prevented, and efficiency of the driving motor 6 and service life of equipment are improved.

Referring to fig. 1-2, a middle shaft 20 is fixedly connected to the middle of the bottom of the walking beam 18, a ladder type support 22 is fixedly connected to the top of the base 1, the other end of the bottom of the ladder type support 22 is fixedly connected to the side wall of the supporting block 3, the middle shaft 20 is hinged to the top of the ladder type support 22, a tail shaft 21 is fixedly connected to the tail of the bottom of the walking beam 18, and the tail shaft 21 is hinged to the top of the cross beam 17.

According to the technical scheme, the middle shaft 20 and the tail shaft 21 are arranged, so that the smoothness of the up-and-down swing of the walking beam 18 is improved, and the resistance in the swing process is reduced; through setting up cat ladder formula support 22, the staff of being convenient for scrambles and overhauls equipment eminence.

Example 2

Example 2 further includes, on the basis of example 1:

referring to fig. 3-4, the crank 9 is provided with a first stroke hole 14, and the balance weight 10 is provided with a second stroke hole 15.

According to the technical scheme, the first stroke hole 14 and the second stroke hole 15 are arranged, so that stroke adjustment is facilitated, and balanced operation of the pumping unit is promoted.

Referring to fig. 1, a base 1 is made of channel steel, and a plurality of rectangular holes 2 are formed in the base 1 at equal intervals.

Above-mentioned technical scheme is favorable to improving the bearing capacity to whole equipment through setting up base 1 of channel-section steel material, and rectangular hole 2's setting is convenient for utilize fork truck or loop wheel machine mobile device.

However, as well known to those skilled in the art, the working principle and wiring method of the driving motor 6 are common, which are all conventional means or common knowledge, and are not described herein in detail, and any choice can be made by those skilled in the art according to their needs or convenience.

The working principle and the using flow of the technical scheme are as follows: when the speed reducer is used, the driving motor 6 is used for driving the small belt pulley 7 to rotate and driving the large belt pulley 8 to rotate through belt transmission, so that the number of turns generated by the excessively fast rotating speed of the small belt pulley 7 is converted into the smaller number of rotating turns of the large belt pulley 8, the rotating speed of the speed reducer 4 required to be buffered is reduced, unnecessary energy loss is reduced, and then the output shaft of the speed reducer 4 drives the cranks 9 and the balance weights 10 on two sides to rotate, so that the walking beam 18 and the horsehead 19 are driven to move up and down through the transmission of the connecting rod 16 and the cross beam 17;

when the installation position of the balance weight 10 is adjusted, the corresponding bolt 13 is unscrewed, the balance weight 10 is moved up to the proper threaded hole 12 and is fixed again by using the bolt 13, so that the adjustment of the installation position of the balance weight 10 is facilitated, the driving motor 6 is driven to do positive work and do work equally in the up-down stroke, the energy is stored in the down stroke, the stored energy is utilized to assist the driving motor 6 in doing work in the up-stroke, the operation of the pumping unit under the balanced condition is guaranteed, the service life of the equipment is prolonged, the arrangement of the first stroke hole 14 and the second stroke hole 15 is beneficial to adjusting the stroke, and the balanced operation of the pumping unit is promoted.

The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The energy-conserving draw gear of beam-pumping unit, its characterized in that includes:

the novel walking device comprises a base (1), wherein one end of the top of the base (1) is fixedly connected with a supporting block (3), the top of the supporting block (3) is fixedly provided with a reduction gearbox (4), two sides of the reduction gearbox (4) are respectively provided with a crank (9), two sides of each crank (9) are respectively provided with a balance block (10), the side walls of each crank (9) are rotatably provided with a connecting rod (16), the tops of the two connecting rods (16) are fixedly connected with the same cross beam (17), the upper part of the base (1) is provided with a walking beam (18), and one end of each walking beam (18) is fixedly connected with a horsehead (19);

the driving assembly is arranged on the supporting block (3) and is used for driving the crank (9) to rotate;

the adjusting component is arranged on the crank (9) and is used for adjusting the installation positions of the balance weights (10) on two sides of the crank (9).

2. The energy-saving dragging device of the pumping unit according to claim 1, wherein the driving assembly comprises a mounting plate (5) fixedly connected to one side of a supporting block (3), a driving motor (6) is fixedly mounted at the top of the mounting plate (5), a small belt pulley (7) is fixedly connected to an output shaft of the driving motor (6), a large belt pulley (8) is fixedly connected to an input shaft of a reduction gearbox (4), the small belt pulley (7) and the large belt pulley (8) are in transmission connection with the same belt, and two ends of an output shaft of the reduction gearbox (4) are respectively fixedly connected with one side of a crank (9) which is close to the small belt pulley.

3. The energy-saving dragging device of the pumping unit according to claim 1, wherein the adjusting component comprises two rows of threaded holes (12) symmetrically arranged on the side wall of the crank (9), each row of threaded holes (12) are equidistantly arranged, a notch (11) is formed in the top of the balance weight (10), a bolt (13) matched with the threaded holes (12) is movably connected in the notch (11), and one end of the bolt (13) penetrates through the balance weight (10) and is in threaded connection with one of the threaded holes (12).

4. The energy-saving dragging device of the pumping unit according to claim 1, wherein a middle part of the bottom of the walking beam (18) is fixedly connected with a middle shaft (20), the top of the base (1) is fixedly connected with a ladder type support (22), the other end of the bottom of the ladder type support (22) is fixedly connected with the side wall of the supporting block (3), the middle shaft (20) is hinged with the top of the ladder type support (22), the tail part of the bottom of the walking beam (18) is fixedly connected with a tail shaft (21), and the tail shaft (21) is hinged with the top of the cross beam (17).

5. The energy-saving dragging device of the pumping unit according to claim 1, wherein a first stroke hole (14) is formed in the crank (9), and a second stroke hole (15) is formed in the balance block (10).

6. The energy-saving dragging device of the oil pumping unit according to claim 1, wherein the base (1) is made of channel steel, and a plurality of rectangular holes (2) are formed in the base (1) at equal intervals.