Oil pumping unit horse head structure for intelligent well repair receding

Abstract

According to the pumping unit horsehead structure for intelligent well repair receding, the rotating device and the pin pulling device are installed at the working horsehead end and the walking beam end respectively, the intelligent receding function is achieved, a stable and reliable mechanical mode is adopted, the layout is compact and reasonable, and the working efficiency is improved. The safety guarantee level of equipment in the workover operation process is remarkably improved, the maintenance cost is effectively reduced, operation is easy and convenient to implement, and operators do not need to have high professional technical knowledge. By means of the structure, automatic receding of the pumping unit horsehead is achieved, the whole pumping unit does not need to be moved, unsafe factors possibly generated when workers disassemble the horsehead at high altitude are effectively avoided, meanwhile, hoisting equipment does not need to be used, and related expenses are saved. An operator can complete one-key abdicating operation only through an instruction button, so that the preparatory work flow before workover treatment is optimized, the operation difficulty is reduced, the labor intensity of workers is practically relieved, and a solid foundation is laid for efficient development of the workover treatment.

Description

Technical Field

[0001] The utility model relates to the technical field of oil field production equipment, in particular to a donkey head structure of an oil pump used for intelligent well repair and making way. Background Art

[0002] In the oil field production process, lifting equipment is an indispensable and important link. At present, the most widely used lifting equipment in oil fields is the walking beam pumping unit. The walking beam pumping unit is widely used and plays an important role in oil field production operations because of its simple structure, durability, and convenient operation and maintenance.

[0003] Well repairing of oil pumping units is an essential part of production operations. However, in the prior art, well repairing of oil pumping units often requires moving the entire unit or manually disassembling the donkey head. These operations are not only complicated and cumbersome, but also pose great safety hazards and are inefficient, which seriously affects the continuity and efficiency of oil production operations.

[0004] Therefore, there is an urgent need for a pumping unit donkey head structure for intelligent well repair that can solve the above problems. Utility Model Content

[0005] The utility model aims to provide a pumping unit donkey head structure for intelligent well repair and making way, so as to solve the problems existing in the above-mentioned prior art.

[0006] To achieve the above purpose, the utility model provides the following solutions:

[0007] The utility model provides a pumping unit donkey head structure for intelligent well repair and making way, comprising a walking beam assembly and a working donkey head, the end of the walking beam assembly is provided with walking beam end fixing plates on both sides of the end of the working donkey head, the walking beam end fixing plates are matched with the donkey head fixing plates, and both are provided with mounting holes in relative positions, a rotating device is provided between the walking beam end fixing plate and the donkey head fixing plate on one side, the rotating device is used to drive the working donkey head to rotate, and a pin pulling device is provided between the walking beam end fixing plate and the donkey head fixing plate on the other side, the pin pulling device is used to lock or unlock the working donkey head with the walking beam assembly, and the rotating device and the pin pulling device are both electrically connected to an electric control box.

[0008] Preferably, the working donkey head includes a side plate, the outer side of the side plate is provided with an arc panel, the arc panel is provided with a load sensor and a rope rack, the working end wire rope is passed through the rope rack and is arranged on the action surface of the load sensor.

[0009] Preferably, a V-shaped groove or a U-shaped groove is provided in the middle of the curved panel.

[0010] Preferably, wear-resistant sleeves are provided in the mounting holes of the beam end fixing plate and the donkey head fixing plate, lubrication holes are provided in the wear-resistant sleeves, and graphite columns are installed in the lubrication holes.

[0011] Preferably, the rotating device includes a rotating device fixing seat, the rotating device fixing seat is arranged on the side of the walking beam assembly, a rotating device reducer is installed on the rotating device fixing seat, the input end of the rotating device reducer is transmission-connected to the rotating drive motor, a first pinion is fixed to the output end of the rotating device reducer, a transmission rod is provided on the side of the rotating device reducer, a second pinion is sleeved on the middle part of the transmission rod, the first pinion and the second pinion are located on the same horizontal line, and a synchronous belt is tensioned between the two, rotating device bearing seats are provided at both ends of the transmission rod, a third pinion is provided on the side of the rotating device bearing seat, the third pinion is meshed with a large gear, the large gear is fixed to the donkey head fixing plate on this side, and a pin shaft is passed through between the donkey head fixing plate on this side and the walking beam end fixing plate on this side.

[0012] Preferably, the pin pulling device includes a pin pulling device fixing seat, the pin pulling device fixing seat is arranged on the side of the working donkey head, the pin pulling device fixing seat is rotatably provided with a first bevel gear through a thrust bearing, the bottom of the first bevel gear is connected to the lead screw, the lead screw is matched with the lead screw nut, the lead screw nut is coaxially matched with the sleeve pin, the side of the sleeve pin is connected with a yield pin, the yield pin is inserted between the walking beam end fixing plate on this side and the donkey head fixing plate on this side, the first bevel gear is meshed with the second bevel gear, and the second bevel gear is connected to the pin pulling drive motor through the pin pulling device reducer.

[0013] Preferably, a side portion of the sleeve pin is provided with a clearance pin fixing seat mounted via an adjusting nut, and the clearance pin fixing seat is fixedly connected to the clearance pin.

[0014] Preferably, an adjusting rod is provided on the yield pin fixing seat.

[0015] Preferably, it also includes a limiting device, which is fixed to the upper part of the walking beam assembly and is used to limit the working donkey head.

[0016] Compared with the prior art, the utility model has achieved the following beneficial technical effects:

[0017] The utility model proposes a pumping unit head structure for intelligent well repair and giving way. The structure realizes the intelligent giving way function by installing a rotating device and a pin pulling device at the working head end and the walking beam end respectively. Its transmission structure adopts a stable and reliable mechanical method, and its layout is compact and reasonable. It not only significantly improves the safety level of the equipment during the well repair operation and effectively reduces the maintenance cost, but also is simple and easy to operate, and does not require the operator to have advanced professional technical knowledge.

[0018] This structure realizes the automatic giving way of the donkey head of the oil pumping unit without moving the whole machine, effectively avoiding the unsafe factors that may arise when personnel dismantle the donkey head at high altitude. At the same time, since there is no need to use lifting equipment, it saves related expenses. Operators can easily complete the one-key giving way operation by simply pressing the command button, which greatly optimizes the preparation workflow before the well repair operation, greatly reduces the difficulty of operation, effectively reduces the labor intensity of workers, and lays a solid foundation for the efficient implementation of well repair operations. In summary, the application of this structure can effectively reduce the investment of manpower, material resources, financial resources and time costs in the well repair preparation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 A schematic diagram of the structure of the working donkey head part of the donkey head structure of the oil pumping unit used for intelligent well repair and making way provided by the utility model;

[0021] Figure 2 A schematic diagram of the arc panel structure of a working donkey head in a donkey head structure of an oil pumping unit for intelligent well repair and making way provided by the utility model;

[0022] Figure 3 A schematic diagram of the structure of the rotating device in the donkey head structure of an oil pumping unit for intelligent well repair and making way provided by the utility model;

[0023] Figure 4 A schematic diagram of the structure of a pin-pulling device in a donkey head structure of an oil pumping unit for intelligent well repair and making way provided by the utility model;

[0024] Figure 5 A schematic diagram of the structure of a fixed plate at the end of a midstream beam of a donkey head structure of an oil pumping unit for intelligent well repair and making way provided by the utility model;

[0025] Figure 6A schematic diagram of a donkey head structure of an oil pumping unit for making way for intelligent well repair provided by the utility model;

[0026] In the figure: 1 walking beam assembly, 2 working donkey head, 2.1 side plate, 2.2 arc plate, 2.3 rope rack, 3 walking beam end fixing plate, 3.1 wear-resistant sleeve, 3.2 graphite column, 4 donkey head fixing plate, 5 rotating device, 5.1 rotating device fixing seat, 5.2 rotating device reducer, 5.3 rotating drive motor, 5.4 first pinion, 5.5 transmission rod, 5.6 second pinion, 5.7 synchronous belt, 5.8 rotating device bearing seat, 5.9 3 small gears, 5.10 large gear, 5.11 pin shaft, 6 pin pulling device, 6.1 pin pulling device fixing seat, 6.2 thrust bearing, 6.3 first bevel gear, 6.4 lead screw, 6.5 lead screw nut, 6.6 sleeve pin, 6.7 give way pin, 6.8 second bevel gear, 6.9 pin pulling device reducer, 6.10 pin pulling drive motor, 6.11 adjusting nut, 6.12 give way pin fixing seat, 6.13 adjusting rod, 7 load sensor. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments 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 in 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.

[0028] The utility model aims to provide a pumping unit donkey head structure for intelligent well repair and making way, so as to solve the problems existing in the prior art.

[0029] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0030] Embodiment 1:

[0031] This embodiment provides a pumping unit donkey head structure for intelligent well repair and making way, such as Figure 1-Figure 6 As shown, it includes a rocker assembly 1 and a working donkey head 2, a rocker end fixing plate 3 is provided on both sides of the end of the rocker assembly 1, and a donkey head fixing plate 4 is provided on both sides of the end of the working donkey head 2, the rocker end fixing plate 3 and the donkey head fixing plate 4 cooperate with each other, and both are provided with mounting holes in relative positions, a rotating device 5 is provided between the rocker end fixing plate 3 and the donkey head fixing plate 4 on one side, and the rotating device 5 is used to drive the working donkey head 2 to rotate, and a pin pulling device 6 is provided between the rocker end fixing plate 3 and the donkey head fixing plate 4 on the other side, and the pin pulling device 6 is used to lock or unlock the working donkey head 2 and the rocker assembly 1, and the rotating device 5 and the pin pulling device 6 are both electrically connected to the electric control box.

[0032] As an embodiment, the working donkey head 2 includes a side panel 2.1, an arc panel 2.2 is provided on the outer side of the side panel 2.1, a load sensor 7 and a rope rack 2.3 are provided on the arc panel 2.2, and a working end wire rope is passed through the rope rack 2.3 and is arranged on the action surface of the load sensor 7, thereby realizing load monitoring.

[0033] As an implementation mode, a V-shaped groove is provided in the middle of the curved panel 2.2. Of course, a U-shaped groove structure may also be adopted in other embodiments.

[0034] As an implementation method, a wear-resistant sleeve 3.1 is provided in the mounting hole of the beam end fixing plate 3 and the mounting hole of the donkey head fixing plate 4. A lubrication hole is opened in the wear-resistant sleeve 3.1, and a graphite column 3.2 is installed in the lubrication hole to improve the lubrication effect of the rotation process.

[0035] As an embodiment, the rotating device 5 includes a rotating device fixing seat 5.1, which is arranged on the side of the walking beam assembly 1, and a rotating device reducer 5.2 is installed on the rotating device fixing seat 5.1, the input end of the rotating device reducer 5.2 is transmission-connected with the rotating drive motor 5.3, the output end of the rotating device reducer 5.2 is fixed with a first pinion 5.4, the side of the rotating device reducer 5.2 is provided with a transmission rod 5.5, and the middle part of the transmission rod 5.5 is sleeved with a second pinion Gear 5.6, the first pinion 5.4 and the second pinion 5.6 are located on the same horizontal line, and a synchronous belt 5.7 is tensioned between the two. Rotating device bearing seats 5.8 are provided at both ends of the transmission rod 5.5, and the side of the rotating device bearing seat 5.8 is provided with a third pinion 5.9, the third pinion 5.9 is meshed with a large gear 5.10, and the large gear 5.10 is fixed to the donkey head fixing plate 4 on this side, and a pin shaft 5.11 is passed through the donkey head fixing plate 4 on this side and the walking beam end fixing plate 3 on this side.

[0036] As an embodiment, the pin pulling device 6 includes a pin pulling device fixing seat 6.1, which is arranged on the side of the working donkey head 2. The first bevel gear 6.3 is rotatably provided on the pin pulling device fixing seat 6.1 through a thrust bearing 6.2. The bottom of the first bevel gear 6.3 is connected to the screw 6.4, the screw 6.4 is matched with the screw nut 6.5, the screw nut 6.5 is coaxially matched with the sleeve pin 6.6, and the side of the sleeve pin 6.6 is connected with a yield pin 6.7, which is inserted between the walking beam end fixing plate 3 on this side and the donkey head fixing plate 4 on this side. The first bevel gear 6.3 is meshed with the second bevel gear 6.8, and the second bevel gear 6.8 is connected to the pin pulling drive motor 6.10 through the pin pulling device reducer 6.9.

[0037] As an implementation mode, a side portion of the sleeve pin 6.6 is provided with a clearance pin fixing seat 6.12 mounted via an adjusting nut 6.11, and the clearance pin fixing seat 6.12 is fixedly connected to the clearance pin 6.7.

[0038] As an implementation mode, an adjustment rod 6.13 is provided on the clearance pin fixing seat 6.12, so as to achieve synchronization of the two clearance pins 6.7.

[0039] As an implementation mode, it also includes a limiting device, which is fixed to the upper part of the walking beam assembly 1 and is used to limit the working donkey head 2 during the rotation process.

[0040] The working method of the above-mentioned donkey head structure is:

[0041] When it is necessary to make way for well repair, the operator separates the wellhead end bare rod from the rope hanger, operates the electric control box on the ground, stops the walking beam assembly 1 at the well repair making way position, applies the brake, starts the making way procedure, rotates the pin drive motor 6.10 to drive the lead screw 6.4 to make a circular motion, and the lead screw nut 6.5 converts the rotational motion of the lead screw 6.4 into an up and down sliding motion. At this time, the making way pin 6.7 moves up to separate the hinge of the donkey head fixing plate 4 and the walking beam end fixing plate 3. After completing the above actions, the rotating drive motor 5.3 drives the large gear 5.10 to rotate, thereby driving the working donkey head 2 to rotate along the pin shaft 5.11 to complete the making way action; after the well repair is completed, when it is necessary to reset, the reset procedure is executed through the electric control box, and the working donkey head 2 is reset in the reverse direction according to the above steps; the limit device performs precise positioning during making way and resetting.

[0042] The utility model uses specific examples to illustrate the principle and implementation of the utility model. The above examples are only used to help understand the method and core idea of ​​the utility model. At the same time, for those skilled in the art, according to the idea of ​​the utility model, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

Claims

1. A pumping unit head structure for intelligent well repair and making way, comprising a walking beam assembly (1) and a working head (2), characterized in that: The ends of the walking beam assembly (1) are provided with walking beam end fixing plates (3), and the ends of the working donkey head (2) are provided with donkey head fixing plates (4). The walking beam end fixing plates (3) cooperate with the donkey head fixing plates (4), and both are provided with mounting holes located opposite to each other. A rotating device (5) is provided between the walking beam end fixing plate (3) and the donkey head fixing plate (4) on one side, and the rotating device (5) is used to drive the working donkey head (2) to rotate. A pin pulling device (6) is provided between the walking beam end fixing plate (3) and the donkey head fixing plate (4) on the other side, and the pin pulling device (6) is used to lock or unlock the working donkey head (2) and the walking beam assembly (1). The rotating device (5) and the pin pulling device (6) are both electrically connected to an electric control box. The pin pulling device (6) comprises a pin pulling device fixing seat (6.1), the pin pulling device fixing seat (6.1) is arranged on the side of the working donkey head (2), a first bevel gear (6.3) is rotatably provided on the pin pulling device fixing seat (6.1) via a thrust bearing (6.2), the bottom of the first bevel gear (6.3) is connected to a lead screw (6.4), the lead screw (6.4) is matched with a lead screw nut (6.5), and the lead screw nut (6.5) is connected to the lead screw nut (6.6). 5) is coaxially matched with the sleeve pin (6.6), the side of the sleeve pin (6.6) is connected with a clearance pin (6.7), the clearance pin (6.7) is inserted between the walking beam end fixing plate (3) on this side and the donkey head fixing plate (4) on this side, the first bevel gear (6.3) is meshed with the second bevel gear (6.8), and the second bevel gear (6.8) is transmission-connected to the pin pulling drive motor (6.10) through the pin pulling device reducer (6.9).

2. The pumping unit donkey head structure for intelligent well repair and making way according to claim 1 is characterized in that: The working donkey head (2) comprises a side plate (2.1), an arc panel (2.2) is provided on the outer side of the side plate (2.1), a load sensor (7) and a rope rack (2.3) are provided on the arc panel (2.2), and a working end steel wire rope is passed through the rope rack (2.3) and is arranged on the action surface of the load sensor (7).

3. The pumping unit donkey head structure for intelligent well repair and making way according to claim 2 is characterized in that: A V-shaped groove or a U-shaped groove is provided in the middle of the curved panel (2.2).

4. The pumping unit donkey head structure for intelligent well repair and making way according to claim 1 is characterized in that: A wear-resistant sleeve (3.1) is provided in the mounting hole of the beam end fixing plate (3) and the mounting hole of the donkey head fixing plate (4), a lubrication hole is provided in the wear-resistant sleeve (3.1), and a graphite column (3.2) is installed in the lubrication hole.

5. The pumping unit donkey head structure for intelligent well repair and making way according to claim 1 is characterized in that: The rotating device (5) comprises a rotating device fixing seat (5.1), the rotating device fixing seat (5.1) being arranged on the side of the walking beam assembly (1), a rotating device reducer (5.2) being mounted on the rotating device fixing seat (5.1), the input end of the rotating device reducer (5.2) being transmission-connected to a rotating drive motor (5.3), a first pinion (5.4) being fixed to the output end of the rotating device reducer (5.2), a transmission rod (5.5) being arranged on the side of the rotating device reducer (5.2), and a second pinion (5.6) being sleeved on the middle of the transmission rod (5.5). The first pinion (5.4) and the second pinion (5.6) are located on the same horizontal line, and a synchronous belt (5.7) is tensioned between the two. Rotating device bearing seats (5.8) are provided at both ends of the transmission rod (5.5). A third pinion (5.9) is provided on the side of the rotating device bearing seat (5.8). The third pinion (5.9) is meshed with a large gear (5.10). The large gear (5.10) is fixed to the donkey head fixing plate (4) on this side. A pin shaft (5.11) is passed through between the donkey head fixing plate (4) on this side and the walking beam end fixing plate (3) on this side.

6. The pumping unit donkey head structure for intelligent well repair and making way according to claim 1 is characterized in that: A side portion of the sleeve pin (6.6) is provided with a clearance pin fixing seat (6.12) mounted via an adjusting nut (6.11), and the clearance pin fixing seat (6.12) is fixedly connected to the clearance pin (6.7).

7. The pumping unit donkey head structure for intelligent well repair and making way according to claim 6 is characterized in that: An adjustment rod (6.13) is provided on the yield pin fixing seat (6.12).

8. The pumping unit donkey head structure for intelligent well repair and making way according to any one of claims 1 to 7, characterized in that: It also includes a limiting device, which is fixed to the upper part of the walking beam assembly (1) and is used to limit the position of the working donkey head (2).

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