CN211397545U

CN211397545U - Tower type twin-well pumping unit

Info

Publication number: CN211397545U
Application number: CN202020002744.8U
Authority: CN
Inventors: 李志安; 李剑锋; 杨海增; 史秋刚; 张永强
Original assignee: Beijing Anjunjia Technology Co ltd
Current assignee: Beijing Anjunjia Technology Co ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-09-01
Anticipated expiration: 2030-01-02

Abstract

The utility model provides a tower twin-well beam-pumping unit, it comprises base, pylon, motor, speed reducer, control box, cylinder, laser lateral distance appearance, wire rope, movable pulley. Fixed wheels are welded at two top corners above the rack, telescopic support arms are welded outside the two fixed wheels respectively, rollers are welded at the top ends of the support arms respectively, and a laser range finder is arranged below each roller. The rack is fixed above the base through bolts, a weight box is installed in the rack, and a motor, a speed reducer and a control box are installed at the upper end of the weight box. The two movable pulleys are connected to oil rods outside two oil wells through bolts, the middle part of the steel wire rope is connected with the two rollers and the speed reducer, the lower ends of the two sides of the steel wire rope are connected with the two movable pulleys, after the motor is decelerated through the speed reducer, output power is transmitted to the two rollers through the steel wire rope, and the two rollers move up and down relatively on the tower support arm so as to drive the two oil rods to move and realize oil extraction work. The tower-type double-well pumping unit can be used for simultaneously extracting oil from two oil wells, so that the working efficiency is greatly improved.

Description

Tower type twin-well pumping unit

Technical Field

The utility model relates to an oil field oil well operation well head outer oil pumping device technical field, in particular to tower twin-well beam-pumping unit.

Background

The mechanical oil extraction method is the most important oil extraction method at present, while the beam pumping unit is the most used and popular pumping unit at the earliest time, and the working principle is that after a motor is decelerated by a V-belt reduction gearbox, the rotating motion of an output shaft of the reduction gearbox is converted into the forward motion of a beam donkey head by a crank rocker mechanism

The reciprocating motion drives the polish rod and the sucker rod to do reciprocating linear motion up and down, and the motion is transmitted to the plunger of the down-hole oil pump through the sucker rod, so that the oil pump works to pump oil.

Problems in the operation of beam pumping units: the transmission efficiency is low, and the average efficiency is only 12-30%. The pumping unit has high power and the problem that a trolley is pulled by a large horse, reduces the power factor of a power grid and the efficiency of a motor, increases reactive loss and causes serious energy waste. When the stroke frequency is adjusted, the belt pulley or the reduction gearbox needs to be replaced, the process is complicated, the risk is high, and the workload is large.

Disclosure of Invention

The utility model aims to solve the problems, and provides a novel double-well pumping unit adopting a tower structure, in particular to a novel energy-saving pumping unit adopting a motor, a base and a tower. The tower-type double-well pumping unit can be used for simultaneously extracting oil from two oil wells, so that the working efficiency is greatly improved. In addition, when one of the oil wells fails, the normal production of the other oil well is not influenced, and the failed oil well can be operated and overhauled while the normal production is carried out.

A tower type twin-well pumping unit comprises a base (1), a tower frame, a motor (17), a speed reducer (14), a control box (16), a roller, a laser range finder, a steel wire rope and a movable pulley, wherein the tower frame comprises a frame (2) with a cuboid support structure, rotatable fixed wheels are respectively welded at two vertex angles above the front surface of the frame (2), two telescopic support arms in a Y shape along the two vertex angles above the frame are welded at the outer sides of the two fixed wheels, the frame (2) is fixed above the base (1) through bolts, a weight box (3) is installed inside the frame (2), the motor (17), the speed reducer (14) and the control box (16) are installed at the upper end of the frame (2), the roller is welded at the top end of the telescopic Y-shaped support arm on the tower frame, the laser range finder is installed below each roller, and the two movable pulleys are connected to, the middle part of the steel wire rope is arranged in the clamping grooves at the outer ends of the two rollers and the speed reducer, the lower ends of the two sides of the steel wire rope are connected with the two movable pulleys, after the motor is decelerated by the speed reducer, the output power is transmitted to the two rollers through the steel wire rope, and the two rollers move up and down relatively on the tower support arm so as to drive the two oil rods to move vertically in the oil well, thereby realizing the simultaneous oil extraction of the two oil wells.

The tight pulley be two cyclic annular wheels of concentric structure, inboard cyclic annular wheel is fixed on frame (2) apex angle, outside cyclic annular wheel welding two outer support arms that are the Y font support arm, outside cyclic annular wheel can be rotary motion around inboard cyclic annular wheel, thereby it freely expandes and closed motion to drive both sides support arm, two support arms that are the Y font are become by interior support arm and outer support arm respectively, the outer support arm that has cup jointed of inner support arm, interior outer support arm can stretch out and draw back, the length of two support arms has been adjusted according to the interval of oil well, afterwards through many fixing bolt with interior, outer support arm is fixed, two cylinders weld respectively in the inner support arm outside on two support arm tops, the position of cylinder is adjusted through the flexible of the different rotation angles of tight pulley and inside and outside support arm.

The roller A (13) and the roller B (15) are of cylindrical barrel-shaped structures and are composed of an inner side fixing bearing and an outer side concentric roller, the top ends of two inner supporting arms are welded on the inner side fixing bearing, the outer side roller can freely rotate, in addition, the outer side roller is provided with a circle of smooth clamping groove structures along the circumferential direction and is used for installing a steel wire rope with two ends connected with an oil rod, the lower ends of the inner side fixing bearings of the two rollers are respectively provided with a laser range finder A (28) and a laser range finder B (29), the laser range finder is used for measuring the lowest point and the highest point of an interval when the two rollers move up and down on the supporting arms, when an interval set value is reached, the two laser range finders send signals and transmit the signals to a controller in a control box (16), and therefore forward and.

The oil-well pump is characterized in that the motor (17) is fixed at the upper end part of the rack (2) through a bolt, the motor (17) is connected with the speed reducer (14) through a coupler (18), the power output by the motor (17) is converted and transmitted to low rotation speed and large torque through the speed reducer (14), so that oil rods on two oil wells are controlled to move up and down, the control box (16) is installed at one side of the motor (17) and fixed on the rack (2) through screws, a circuit breaker, a contactor, a controller, a braking unit, an electric meter and the like are installed inside the control box (16), the motor (17) is connected with the control box (16) through a cable (27), and meanwhile, a round of smooth clamping groove structure is also arranged at the outer end part of one side of the speed reducer.

The oil pumping unit is applicable to oil wells with the distance of 5-10 meters, and the distance between the oil well A (4) and the oil well B (6) can adapt to different distances between two oil wells by stretching of the inner support arm and the outer support arm and adjusting of the angle of the fixed wheel.

According to the distance between the two oil wells and the different stroke ranges of the two oil wells, the diameters of the roller A (13) and the roller B (15) and the angles of the fixed wheel A (21) and the fixed wheel B (22) are adjusted, so that the oil well device is suitable for different strokes of the two oil wells.

The different times of stroke of the two oil wells can be realized by adjusting the rotating speed of the motor (17) and the height and the diameter of the roller.

When one oil well B (6) breaks down, the movable pulley (9) connected with the oil rod (7) is detached and connected with a bolt, the detached movable pulley (9) is fixed inside the rack (2), the direction of the fixed pulley B (22) is adjusted to enable the inner and outer support arms and the roller to be fixed right above the rack, and the original steel wire rope connected between the roller and the movable pulley is connected to the weight box instead, so that normal oil extraction of a single well is realized.

The utility model has the advantages that: through designing a tower formula twin-well beam-pumping unit, by two oil wells simultaneous workings of a motor control, avoid setting up a large amount of ground facilities in oil field well head department, can effectively solve the restriction that ground facility construction cost is high and do not receive another oil well maintenance when oil well oil recovery on one side, improved work efficiency.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the tower top structure of the present invention;

fig. 3 is the external structure front view of the utility model discloses control unilateral oil well work.

In the figure: the device comprises a base 1, a rack 2, a weight box 3, an oil well A4, an oil rod 5, an oil well B6, an oil rod 7, a movable pulley 8, a movable pulley 9, a steel wire rope 10, a steel wire rope 11, a steel wire rope 12, a roller A13, a speed reducer 14, a roller B15, a control box 16, a motor 17, a coupling 18, an outer support arm 19, an inner support arm 20, a fixed wheel A21, a fixed wheel B22, an inner support arm 23, an outer support arm 24, a fixed bolt 25, a fixed bolt 26, a cable 27, a laser range finder A28 and a laser range finder B29.

Detailed Description

As shown in figure 1, the utility model discloses a tower twin-well beam-pumping unit, mainly by base 1, pylon, motor 17, speed reducer 14, control box 16, cylinder, wire rope, movable pulley and laser range finder constitute. The pylon including the frame 2 that is cuboid supporting structure, the fixed pulley has respectively been welded at two apex angles punishment in 2 upper portions of frame, has two support arms that are the Y style of calligraphy that can move about from top to bottom through the fixed pulley welding. The frame 2 is fixed above the base 1 through bolts, the motor 17, the speed reducer 14 and the control box 16 are installed at the upper end of the frame 2, the rollers are welded at the top ends of the Y-shaped support arms at two vertex angles of the frame 2, the steel wire ropes are installed on the two rollers and the middle speed reducer, the lower ends of the steel wire ropes at two sides are connected with the movable pulleys, and the movable pulleys are connected to oil rods outside two oil wells through bolts. The steel wire rope moves up and down on the two rollers and the speed reducer to drive the oil rod to move, so that oil extraction is realized.

The frame 2 is of a cuboid frame structure, a plurality of sections of transverse and crossed reinforcing beams are welded on the rectangular frame body on each side, and the lower end of the frame 2 is fixed on the base 1 on the ground in the middle of two oil wells through bolts. The frame 2 keeps parallel with the oil rods on the two oil wells, and the distances between the two ends of the frame and the two oil wells are basically the same, so that the working stability of the two oil rods during oil extraction is ensured. The middle of the frame 2 is provided with the weight box 3, the weight box 3 is suspended in the frame 2 through a steel wire rope 12 connected above the frame 2, and the effect of stabilizing and balancing the frame 2 is achieved. Fixed wheels A21 and B22 are welded at two top corners above the frame 2. The fixed wheel is two concentric ring-shaped wheels, the inner side ring-shaped wheel is fixed on the top angle of the frame, the outer side ring-shaped wheel is welded with two Y-shaped support arms, and the outer side ring-shaped wheel can rotate around the inner side ring-shaped wheel so as to drive the support arms at two sides to move and unfold to form a Y-shaped structure.

The two Y-shaped support arms are respectively composed of an inner support arm and an outer support arm, the outer support arm is sleeved outside the inner support arm, and the inner support arm and the outer support arm can be stretched and contracted to adapt to oil wells with different intervals. The lengths of the two support arms are adjusted according to the distance between the oil wells, and then the inner support arm and the outer support arm are fixed through a plurality of fixing bolts. A roller A13 is fixed on the outer side of the inner support arm 20 at one end in a welding way, the inner support arm 20 is fixed inside the outer support arm 19 through a plurality of fixing bolts 25, one end of the outer support arm 19 is fixed on a fixing wheel A21 in a welding way, and a laser range finder A28 is arranged at the lower part of the roller A13. A roller B15 is fixed on the outer side of the inner support arm 23 at the other end through welding, the inner support arm 23 is fixed inside the outer support arm 24 through a plurality of fixing bolts 26, one end of the outer support arm 24 is fixed on a fixing wheel B22 through welding, and a laser range finder B29 is arranged at the lower part of the roller B15. The two support arms can freely open and close through two fixed wheels on the frame 2.

The roller A13 and the roller B15 are cylindrical barrel-shaped structures and are composed of an inner side fixed bearing and an outer side concentric roller, the top ends of the two support arms are welded on the inner side fixed bearing, and the outer side roller can freely rotate. In addition, the outer side roller is provided with a circle of smooth clamping groove structures along the circumferential direction and is used for installing steel wire ropes with two ends connected with oil rods. The lower ends of the fixed bearings on the inner sides of the two rollers are respectively provided with a laser range finder A28 and a laser range finder B29, the laser range finders are used for measuring the lowest point and the highest point of an interval when the two rollers move up and down on the supporting arm, when the rollers on the two sides move relatively, one side reaches the set value of the highest point and the other side reaches the set value of the lowest point, the two laser range finders send signals and transmit the signals to a controller in the control box 16, so that the forward and reverse rotation of the motor is realized, and the oil extraction process of the dual-motor oil pumping unit.

As shown in fig. 1 and 2, the motor 17 is fixed at the upper end of the frame 2 by bolts, the motor 17 is connected with the reducer 14 by a coupling 18, and the power output by the motor 17 is converted and transmitted by the reducer 14 to obtain the power with low rotation speed and high torque, so as to control the oil rods on the two oil wells to move up and down. The control box 16 is installed on one side of the motor 17 and fixed on the frame 2 through screws, a circuit breaker, a contactor, a controller, a brake unit, an electric meter and the like are installed inside the control box 16, and the motor 17 is connected with the control box 16 through a cable 27. Meanwhile, the outer end part of one side of the speed reducer is also provided with a circle of smooth clamping groove structures for connecting the steel wire rope.

As shown in fig. 1, an oil well a4 is provided with an oil rod 5 therein, a movable pulley 8 is fixed to the upper part of the oil rod 5 by a bolt, and a wire rope 10 is provided between the movable pulley 8, a roller a13 and a speed reducer 14. Similarly, an oil rod 7 is arranged in the oil well B6, a movable pulley 9 is fixed on the upper portion of the oil rod 7 through a bolt, a steel wire rope 11 is arranged among the movable pulley 9, the roller B15 and the speed reducer 14, the steel wire rope 10 and the steel wire rope 11 are the same steel wire rope in the use process, the middle portion of the steel wire rope is arranged in clamping grooves outside the roller and the speed reducer on two sides, and the oil rods on two sides are driven to move up and down by the movable pulleys connected with the oil rods on two sides.

The oil pumping unit is applicable to oil wells with the distance of 5-10 meters, and in the installation process, the distance between the oil well A4 and the oil well B6 can be adjusted by the expansion of the inner and outer support arms and different rotating angles of the fixed wheels to realize the proper distance between the two oil wells.

Before installation, the distance between two oil wells and the stroke range of the two oil wells are measured, and the diameter of the roller A13 and the roller B15 and the angles of the fixed wheel A21 and the fixed wheel B22 are adjusted in advance, so that the oil well is suitable for different strokes of the two oil wells.

Before installation, the rotating speed of the motor, the height of the roller and the diameter of the roller are adjusted to realize different times of stroke of the two oil wells.

In the installation process, the length of the two support arms and the angle of the fixed wheel are adjusted according to the distance, the stroke and the frequency of stroke of the two oil wells, so that the positions of the two rollers are controlled, the rotating speed of the motor is set, the through steel wire rope is installed in the two rollers and the clamping grooves in the outer sides of the middle speed reducer, the same length is reserved at the two end parts of the steel wire rope, then the whole tower type pumping unit is fixedly installed in the base, the lower ends of the two movable pulleys are respectively installed and fixed above oil rods in the two oil wells, and the upper ends of the two movable pulleys are connected with the. The positions of the two fixed wheels and the support arm are adjusted to enable the heights of the two rollers and the speed reducer to be in balance positions, and the position of the weight box 3 in the rack 2 is adjusted to enable the whole structure of the tower type pumping unit to be stable and balanced.

As shown in fig. 1, during operation, the motor 17 is turned on by a power switch in the control box 16, the motor power is converted and transmitted by the speed reducer 14 to obtain a power with low rotation speed and large torque, and the rotational acting force of the speed reducer 14 is transmitted to the roller a13 and the roller B15 through the steel wire ropes, so as to drive the roller a13 and the roller B15 to move up and down relatively and drive the steel wire ropes on both sides to move up and down vertically through the two oil rods connected by the movable pulleys. When the roller A13 reaches the set highest point, the roller B15 just reaches the set lowest point, and the distance signals collected by the laser range finder A28 and the laser range finder B29 are transmitted to the controller in the control box 16, so that the command is given to realize the forward and reverse rotation of the motor, and the oil extraction operation of the twin-well oil extractor is realized.

As shown in figure 3, twin-well beam-pumping unit in operation, when one of them oil well B6 trouble, the movable pulley 9 of connecting the beam hanger 7 is demolishd bolted connection, fixes the movable pulley 9 who demolishs in the inside of frame 2, adjusts tight pulley B22 direction and makes inside and outside support arm and cylinder fix directly over the frame, and original wire rope of connecting between cylinder, the movable pulley changes to be connected to and realizes the normal oil recovery operation of single-well on the weight box.

Claims

1. The utility model provides a tower twin-well beam-pumping unit, includes base (1), pylon, motor (17), speed reducer (14), control box (16), cylinder, laser range finder, wire rope, movable pulley, its characterized in that: the tower comprises a frame (2) with a cuboid support structure, rotatable fixed wheels are respectively welded at two vertex angles above the front surface of the frame (2), two telescopic support arms in a Y shape along the two vertex angles above the frame are welded at the outer sides of the two fixed wheels, the frame (2) is fixed above a base (1) through bolts, a weight box (3) is installed inside the frame (2), a motor (17), a speed reducer (14) and a control box (16) are installed at the upper end of the frame (2), rollers are welded at the top ends of the telescopic Y-shaped support arms on the tower, a laser range finder is installed below each roller, two movable pulleys are connected to oil rods outside two oil wells through bolts, the middle parts of steel wire ropes are installed in clamping grooves at the outer ends of the two rollers and the speed reducer, the lower ends of the two sides of the steel wire ropes are connected with the two movable pulleys, the two rollers move up and down relatively on the tower support arm, so that the two oil rods are driven to move vertically in the oil well, and the two oil wells can simultaneously perform oil extraction.

2. The tower twin-well pumping unit of claim 1, wherein: the tight pulley be two cyclic annular wheels of concentric structure, inboard cyclic annular wheel is fixed on frame (2) apex angle, outside cyclic annular wheel welding two outer support arms that are the Y font support arm, outside cyclic annular wheel can be rotary motion around inboard cyclic annular wheel, thereby it freely expandes and closed motion to drive both sides support arm, two support arms that are the Y font are become by interior support arm and outer support arm respectively, the outer support arm that has cup jointed of inner support arm, interior outer support arm can stretch out and draw back, the length of two support arms has been adjusted according to the interval of oil well, afterwards through many fixing bolt with interior, outer support arm is fixed, two cylinders weld respectively in the inner support arm outside on two support arm tops, the position of cylinder is adjusted through the flexible of the different rotation angles of tight pulley and inside and outside support arm.

3. The tower twin-well pumping unit of claim 2, wherein: the roller A (13) and the roller B (15) are of cylindrical barrel-shaped structures and are composed of an inner side fixing bearing and an outer side concentric roller, the top ends of two inner supporting arms are welded on the inner side fixing bearing, the outer side roller can freely rotate, in addition, the outer side roller is provided with a circle of smooth clamping groove structures along the circumferential direction and is used for installing a steel wire rope with two ends connected with an oil rod, the lower ends of the inner side fixing bearings of the two rollers are respectively provided with a laser range finder A (28) and a laser range finder B (29), the laser range finder is used for measuring the lowest point and the highest point of an interval when the two rollers move up and down on the supporting arms, when an interval set value is reached, the two laser range finders send signals and transmit the signals to a controller in a control box (16), and therefore forward and.

4. The tower twin-well pumping unit of claim 1, wherein: the oil-well pump is characterized in that the motor (17) is fixed at the upper end part of the rack (2) through a bolt, the motor (17) is connected with the speed reducer (14) through a coupler (18), the power output by the motor (17) is converted and transmitted to the power with low rotating speed and large torque through the speed reducer (14), so that the oil rods on two oil wells are controlled to move up and down, the control box (16) is installed at one side of the motor (17) and fixed on the rack (2) through screws, a circuit breaker, a contactor, a controller, a braking unit and an electric meter are installed inside the control box (16), the motor (17) is connected with the control box (16) through a cable (27), and meanwhile, a round of smooth clamping groove structure is also arranged at the outer end part of one side of the.

5. The tower twin-well pumping unit of claim 2, wherein: the oil pumping unit is applicable to oil wells with the distance of 5-10 meters, and the distance between the oil well A (4) and the oil well B (6) can adapt to different distances between two oil wells by stretching of the inner support arm and the outer support arm and adjusting of the angle of the fixed wheel.

6. The tower twin-well pumping unit of claim 2, wherein: according to the distance between the two oil wells and the different stroke ranges of the two oil wells, the diameters of the roller A (13) and the roller B (15) and the angles of the fixed wheel A (21) and the fixed wheel B (22) are adjusted, so that the oil well device is suitable for different strokes of the two oil wells.

7. The tower twin-well pumping unit of claim 3, wherein: the different times of stroke of the two oil wells can be realized by adjusting the rotating speed of the motor (17) and the height and the diameter of the roller.

8. The tower twin-well pumping unit of claim 1, wherein: when one oil well B (6) breaks down, the movable pulley (9) connected with the oil rod (7) is detached and connected with a bolt, the detached movable pulley (9) is fixed inside the rack (2), the direction of the fixed pulley B (22) is adjusted to enable the inner and outer support arms and the roller to be fixed right above the rack, and the original steel wire rope connected between the roller and the movable pulley is connected to the weight box instead, so that normal oil extraction of a single well is realized.