Remotely-controlled energy-saving hydraulic pumping unit

Abstract

The utility model relates to the technical field of hydraulic pumping units, and discloses a remotely-controlled energy-saving hydraulic pumping unit which comprises a bottom plate, a third fixed pulley is arranged in a connecting plate, a second movable pulley is arranged between a first fixed pulley and the third fixed pulley, a first movable pulley is arranged between the third fixed pulley and the second fixed pulley, and a second movable pulley is arranged between the third fixed pulley and the second fixed pulley. A first weight is arranged below the first movable pulley, a sucker rod is arranged on the right side of the surface of one end of the supporting frame, a suspension rope is arranged above the sucker rod and sequentially winds the first fixed pulley, the second movable pulley, the third fixed pulley, the first movable pulley and the second fixed pulley, and one end of the suspension rope is connected with a weight box. According to the utility model, through the arrangement of the first movable pulley, the second movable pulley and the first weight, the tension degree of the suspension rope can be flexibly adjusted, and the operation stability is ensured, so that the energy loss can be reduced, and the energy-saving effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic oil pumping units, in particular to a remote-controlled energy-saving hydraulic oil pumping unit. Background Art

[0002] Hydraulic pumping unit is a device that uses hydraulic principle and hydraulic system to realize oil well pumping, fracturing and other operations. Hydraulic pumping unit is mainly composed of hydraulic system, power system, working mechanism and control system. Hydraulic pumping unit is widely used in oil extraction, mining, water conservancy and other fields, providing important help for automated and efficient operations.

[0003] In the existing hydraulic pumping unit, a suspension rope is arranged on the sucker rod, and the suspension rope is connected to a counterweight box after being wound around a fixed pulley. When transmitting energy, the suspension rope connected to the sucker rod and the counterweight box will produce unnecessary swing and vibration, which will waste some energy. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a remote-controlled energy-saving hydraulic pumping unit, which aims to improve the problem that when transmitting energy, the suspension rope connected to the sucker rod and the counterweight box will produce unnecessary swing and vibration, thereby wasting some energy.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a remote-controlled energy-saving hydraulic pumping unit, comprising a base plate, a support frame fixedly connected to a support frame on the left side of one end surface of the base plate, a first fixed plate fixedly connected to a support frame on one end surface of the support frame, a first fixed pulley is arranged inside the first fixed plate, a second fixed pulley is fixedly connected to a second fixed plate on the right side of one end surface of the support frame, a second fixed pulley is arranged inside the second fixed plate, an inner outer wall of the support frame is fixedly connected to a connecting plate, a third fixed pulley is arranged inside the connecting plate, a second movable pulley is arranged between the first fixed pulley and the third fixed pulley, a second weight is arranged below the second movable pulley, a first movable pulley is arranged between the third fixed pulley and the second fixed pulley, a first weight is arranged below the first movable pulley, a sucker rod is arranged on the right side of one end surface of the support frame, a suspension rope is arranged above the sucker rod, the suspension rope is sequentially wound around the first fixed pulley, the second movable pulley, the third fixed pulley, the first movable pulley and the second fixed pulley, one end of the suspension rope is connected to a counterweight box, a mounting plate is arranged below the base plate, and a lifting assembly is arranged on the surface of one end of the mounting plate.

[0006] Preferably, the lifting assembly includes a motor, a first bevel gear and a threaded rod, two cylinders are fixedly connected to the edges on both sides of the middle part of one end surface of the mounting plate, one side outer wall of the cylinder is fixedly connected to the third fixing plate, one end surface of the third fixing plate is fixedly connected to the motor, the output end of the motor is fixedly connected to the rotating shaft, the outer wall of the rotating shaft is fixedly connected to the second bevel gear, one side outer wall of the second bevel gear is meshedly connected to the first bevel gear, the interior of the first bevel gear is connected to the threaded rod by threads, the top end of the threaded rod is fixedly connected to the connecting column, the outer walls on both sides of the connecting column are fixedly connected to the first connecting rod, one end surface of the first connecting rod is fixedly connected to the upper outer wall of the telescopic rod, and the top end of the telescopic rod is fixedly connected to the lower end surface of the base plate.

[0007] Preferably, a hydraulic cylinder is fixedly connected to the middle portion of one end surface of the base plate, and an output end of the hydraulic cylinder is fixedly connected to the lower end surface of the counterweight box.

[0008] Preferably, the second movable pulley is arranged on the left side inside the support frame, and the first movable pulley is arranged on the right side of the support frame.

[0009] Preferably, one end surface of the third fixing plate is fixedly connected to two fourth fixing plates, and the second bevel gear is rotatably connected to one end surface of the fourth fixing plate.

[0010] Preferably, one end surface of the mounting plate is fixedly connected to four telescopic rods, and one end surface of every two telescopic rods is fixedly connected to the second connecting rod.

[0011] Preferably, the threaded rod is slidably connected to the inner and outer walls of the cylinder.

[0012] Preferably, the counterweight box is slidably connected to one end surface of the support frame.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, by setting the first movable pulley, the second movable pulley and the first weight, the first weight provided under the first movable pulley and the second weight under the second movable pulley can flexibly adjust the tension of the suspension rope, reduce unnecessary swing and vibration of the suspension rope, ensure the stability of operation, thereby reducing energy loss and having an energy-saving effect.

[0015] 2. In the utility model, through the setting of the lifting assembly, the motor can indirectly control the rotation of the first bevel gear to make the threaded rod realize lifting and lowering, and the telescopic rod can drive the bottom plate to lift and lower, so as to change the height of the bottom plate, so that the oil pump can work in wells of different depths. The position of the oil pump can be adjusted according to the actual situation to maintain the best working state and improve the oil pumping efficiency and output. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural diagram of a remote-controlled energy-saving hydraulic oil pumping unit proposed by the utility model;

[0017] Figure 2 This is a structural schematic diagram of a first fixed pulley, a second movable pulley and a suspension rope of a remote-controlled energy-saving hydraulic oil pumping unit proposed by the utility model;

[0018] Figure 3 The utility model is a schematic structural diagram of a lifting assembly of a remote-controlled energy-saving hydraulic oil pumping unit.

[0019] Legend:

[0020] 1. Bottom plate; 2. Support frame; 3. Pumping rod; 4. Suspension rope; 5. First fixed plate; 6. First fixed pulley; 7. Second fixed pulley; 8. Second fixed plate; 9. Counterweight box; 10. Hydraulic cylinder; 11. First movable pulley; 12. First weight; 13. Second weight; 14. Second movable pulley; 15. Third fixed pulley; 16. Connecting plate; 17. Mounting plate; 18. Telescopic rod; 19. First bevel gear; 20. Third fixed plate; 21. Second bevel gear; 22. Rotating shaft; 23. Cylinder; 24. Threaded rod; 25. Connecting column; 26. First connecting rod; 27. Second connecting rod; 28. Fourth fixed plate; 29. ​​Motor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings of the specification of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1 — Figure 3The utility model provides an embodiment: a remote-controlled energy-saving hydraulic pumping unit, comprising a bottom plate 1, one end surface of the bottom plate 1 is fixedly connected to a support frame 2 on the left side, one end surface of the support frame 2 is fixedly connected to a first fixed plate 5, a first fixed pulley 6 is arranged inside the first fixed plate 5, one end surface of the support frame 2 is fixedly connected to a second fixed plate 8 on the right side, a second fixed pulley 7 is arranged inside the second fixed plate 8, an inner outer wall of the support frame 2 is fixedly connected to a connecting plate 16, a third fixed pulley 15 is arranged inside the connecting plate 16, and a second movable pulley is arranged between the first fixed pulley 6 and the third fixed pulley 15 Pulley 14, a second weight 13 is provided below the second movable pulley 14, a first movable pulley 11 is provided between the third fixed pulley 15 and the second fixed pulley 7, a first weight 12 is provided below the first movable pulley 11, a sucker rod 3 is provided on the right side of one end surface of the support frame 2, a suspension rope 4 is provided above the sucker rod 3, the suspension rope 4 is wound around the first fixed pulley 6, the second movable pulley 14, the third fixed pulley 15, the first movable pulley 11 and the second fixed pulley 7 in sequence, one end of the suspension rope 4 is connected to the counterweight box 9, a mounting plate 17 is provided below the bottom plate 1, and a lifting assembly is provided on the surface of one end of the mounting plate 17.

[0023] Specifically, since the first movable pulley 11 and the second movable pulley 14 are provided, and the first weight 12 is hung below the first movable pulley 11 and the second weight 13 is provided below the second movable pulley 14, the hydraulic cylinder 10 can be assisted in controlling the counterweight box 9, and the first movable pulley 11 and the second movable pulley 14 adjust the tension of the suspension rope 4 connecting the sucker rod 3 and the counterweight box 9 to ensure the stability of operation, reduce unnecessary swing and vibration of the suspension rope 4, avoid energy waste on unnecessary swinging, and thus achieve energy saving effect.

[0024] The lifting assembly includes a motor 29, a first bevel gear 19 and a threaded rod 24. Two cylinders 23 are fixedly connected to the edges on both sides of the middle part of one end surface of the mounting plate 17. One side outer wall of the cylinder 23 is fixedly connected to the third fixed plate 20. One end surface of the third fixed plate 20 is fixedly connected to the motor 29. The output end of the motor 29 is fixedly connected to the rotating shaft 22. The outer wall of the rotating shaft 22 is fixedly connected to the second bevel gear 21. One side outer wall of the second bevel gear 21 is meshed and connected to the first bevel gear 19. The interior of the first bevel gear 19 is connected to the threaded rod 24 by threads. The top of the threaded rod 24 is fixedly connected to the connecting column 25. The outer walls on both sides of the connecting column 25 are fixedly connected to the first connecting rod 26. One end surface of the first connecting rod 26 is fixedly connected to the upper outer wall of the telescopic rod 18. The top of the telescopic rod 18 is fixedly connected to the lower end surface of the base plate 1.

[0025] Specifically, the motor 29 realizes functions such as logic control, timing control, and switch control through the PLC, and then realizes remote control of the motor 29 through the wireless communication module. The motor 29 can control the rotation of the two second bevel gears 21, thereby rotating the two first bevel gears 19. Since the first bevel gear 19 is provided with a thread inside, and the first bevel gear 19 is fixed on the upper surface of the cylinder 23, the threaded rod 24 can move up and down, and then through the four first connecting rods 26, the four telescopic rods 18 are driven to be telescopic, which can drive the base plate 1 to rise or fall, so that the height of the oil pump can be flexibly adjusted to make it more suitable for oil wells in different positions, and the liquid level and oil pumping effect can be better controlled.

[0026] A hydraulic cylinder 10 is fixedly connected to the middle of one end surface of the base plate 1. A monitoring facility is set on one end surface of the base plate 1 to monitor the operating status of the hydraulic pumping unit. The output end of the hydraulic cylinder 10 is fixedly connected to the lower end surface of the counterweight box 9. The hydraulic cylinder 10 can be combined with the hydraulic system through electrical components such as solenoid valves, relays, etc. to achieve electric control of the hydraulic cylinder 10, and then achieve logical control through PLC, and achieve remote control of the hydraulic cylinder 10 through a wireless communication module.

[0027] Specifically, the hydraulic cylinder 10 acts on the piston through the pressure of the hydraulic oil to generate thrust, drive the working parts of the oil pump to move, and realize the oil extraction process.

[0028] The second movable pulley 14 is disposed on the left side inside the support frame 2 , and the first movable pulley 11 is disposed on the right side of the support frame 2 .

[0029] One end surface of the third fixing plate 20 is fixedly connected to two fourth fixing plates 28 , and the second bevel gear 21 is rotatably connected to one end surface of the fourth fixing plate 28 .

[0030] Specifically, the fourth fixing plate 28 provides a mounting position for the second bevel gear 21 .

[0031] Four telescopic rods 18 are fixedly connected to one end surface of the mounting plate 17 , and one end surface of every two telescopic rods 18 is fixedly connected to the second connecting rod 27 .

[0032] Specifically, the second connecting rod 27 can play a reinforcing role.

[0033] The threaded rod 24 is slidably connected to the inner and outer walls of the cylinder 23 .

[0034] Specifically, this arrangement is to make the threaded rod 24 move more smoothly.

[0035] The counterweight box 9 is slidably connected to one end surface of the support frame 2 .

[0036] Specifically, the counterweight box 9 can move straight up or straight down to avoid the counterweight box 9 from tilting during the movement, thereby reducing energy loss.

[0037] Working principle: The first weight 12 and the second weight 13 arranged on the first movable pulley 11 and the second movable pulley 14 can flexibly adjust the tension of the suspension rope 4, reduce unnecessary swing of the suspension rope 4, and thus achieve energy-saving effect; and the lifting assembly can adjust the height of the hydraulic pumping unit, so that the oil production unit can adapt to oil wells of different depths.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A remote-controlled energy-saving hydraulic pumping unit, comprising a base plate (1), characterized in that: The left side of one end surface of the bottom plate (1) is fixedly connected to the support frame (2), the one end surface of the support frame (2) is fixedly connected to the first fixed plate (5), a first fixed pulley (6) is provided inside the first fixed plate (5), the right side of one end surface of the support frame (2) is fixedly connected to the second fixed plate (8), a second fixed pulley (7) is provided inside the second fixed plate (8), the inner outer wall of the support frame (2) is fixedly connected to the connecting plate (16), a third fixed pulley (15) is provided inside the connecting plate (16), a second movable pulley (14) is provided between the first fixed pulley (6) and the third fixed pulley (15), and a second weight ( 13), a first movable pulley (11) is provided between the third fixed pulley (15) and the second fixed pulley (7), a first weight (12) is provided below the first movable pulley (11), a sucker rod (3) is provided on the right side of one end surface of the support frame (2), a suspension rope (4) is provided above the sucker rod (3), the suspension rope (4) is wound around the first fixed pulley (6), the second movable pulley (14), the third fixed pulley (15), the first movable pulley (11) and the second fixed pulley (7) in sequence, one end of the suspension rope (4) is connected to the counterweight box (9), a mounting plate (17) is provided below the bottom plate (1), and a lifting assembly is provided on one end surface of the mounting plate (17).

2. A remote-controlled energy-saving hydraulic pumping unit according to claim 1, characterized in that: The lifting assembly comprises a motor (29), a first bevel gear (19) and a threaded rod (24); two cylinders (23) are fixedly connected to the edges of both sides of the middle portion of one end surface of the mounting plate (17); an outer wall of one side of the cylinder (23) is fixedly connected to a third fixing plate (20); an end surface of the third fixing plate (20) is fixedly connected to the motor (29); an output end of the motor (29) is fixedly connected to a rotating shaft (22); an outer wall of the rotating shaft (22) is fixedly connected to a second bevel gear (21); One side outer wall of the second bevel gear (21) is meshedly connected to the first bevel gear (19); the interior of the first bevel gear (19) is connected to a threaded rod (24) via a thread; the top end of the threaded rod (24) is fixedly connected to a connecting column (25); both side outer walls of the connecting column (25) are fixedly connected to a first connecting rod (26); one end surface of the first connecting rod (26) is fixedly connected to the upper outer wall of the telescopic rod (18); the top end of the telescopic rod (18) is fixedly connected to the lower end surface of the base plate (1).

3. A remote-controlled energy-saving hydraulic pumping unit according to claim 1, characterized in that: A hydraulic cylinder (10) is fixedly connected to the middle of one end surface of the base plate (1), and an output end of the hydraulic cylinder (10) is fixedly connected to the lower end surface of the counterweight box (9).

4. The remote-controlled energy-saving hydraulic pumping unit according to claim 1, characterized in that: The second movable pulley (14) is arranged on the left side inside the support frame (2), and the first movable pulley (11) is arranged on the right side of the support frame (2).

5. The remote-controlled energy-saving hydraulic pumping unit according to claim 2, characterized in that: One end surface of the third fixed plate (20) is fixedly connected to two fourth fixed plates (28), and the second bevel gear (21) is rotatably connected to one end surface of the fourth fixed plate (28).

6. A remote-controlled energy-saving hydraulic pumping unit according to claim 2, characterized in that: One end surface of the mounting plate (17) is fixedly connected to four telescopic rods (18), and one end surface of every two telescopic rods (18) is fixedly connected to a second connecting rod (27).

7. The remote-controlled energy-saving hydraulic pumping unit according to claim 2, characterized in that: The threaded rod (24) is slidably connected to the inner and outer walls of the cylinder (23).

8. The remote-controlled energy-saving hydraulic pumping unit according to claim 1, characterized in that: The counterweight box (9) is slidably connected to one end surface of the support frame (2).

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