Balance weight device of oil pumping unit

Abstract

The utility model relates to the technical field of oil extraction equipment, in particular to a balance weight device of an oil pumping unit. The oil pumping unit balance weight device comprises a sliding frame and a weight box fixedly erected on the sliding frame, openings are formed in the upper portion and the lower portion of the weight box, a sliding seat which is in sliding connection and used for blocking the opening in the bottom of the weight box is installed in the sliding frame, and an inclined tangent plane is arranged at the bottom of the sliding seat; and a discharging assembly is mounted on the sliding seat. According to the pumping unit balance weight device, the arc-shaped feeding plate and the discharging assembly are arranged, so that the balance weight columns can be increased or decreased in the balance weight box, and the situation that the balance weight columns are increased or decreased manually by workers can be avoided; and meanwhile, the problem that a worker is located below the balance weight column and makes continuous dangerous contact with the balance weight column is solved, and safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil production equipment, in particular to a balancing weight device for an oil pumping unit. Background Art

[0002] The oil pump is a kind of machine equipment for oil extraction, commonly known as "kowtow machine", which uses pressure to make oil come out of the well. Its working principle is: the donkey head set on the walking beam is driven by the motor and the reducer to make it reciprocate up and down, thereby realizing the oil pumping action. However, the underground working conditions will change when the oil pump is running for a long time, and the load of the oil pump will increase, and the oil pump counterweight equipment is needed. The counterweight blocks used in existing oil production pumps are often integrated. In actual use, the weight of the counterweight block cannot be adjusted, which easily leads to inconvenience in use. Some of them use split counterweight blocks, which require workers to use equipment or use their hands to assemble or fix the counterweight blocks, increasing the risk of workers.

[0003] Therefore, it is necessary to provide a new pumping unit balancing weight device to solve the above technical problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a balancing weight device for an oil pumping unit.

[0005] The utility model provides a pumping unit balancing weight device comprising:

[0006] Sliding frame, and

[0007] A counterweight box is fixedly mounted on the sliding frame, and the counterweight box is provided with openings at the top and bottom. A sliding seat is installed in the sliding frame, which is slidably connected and used to block the bottom opening of the counterweight box, and the bottom of the sliding seat is provided with an inclined section;

[0008] A material discharge assembly is installed on the sliding seat, and the material discharge assembly includes a material discharge plate, a semicircular plate is fixedly installed on one end of the material discharge plate, and a downwardly convex arc-shaped protrusion is fixedly engaged on the other end of the semicircular plate, and the material discharge plate is arranged parallel to the inclined section and is rotatably connected;

[0009] A tilting platform is fixedly embedded in the opening of the sliding frame, and the upper surface of the tilting platform is inclined;

[0010] The counterweight box is provided with a slidingly connected arc-shaped loading plate.

[0011] Preferably, a central connecting piece is provided in the groove opened in the discharge plate, and the central connecting piece includes a rotating shaft, the rotating shaft is rotatably installed in the groove opened in the discharge plate, and a rotating seat rotatably connected is sleeved on the rotating shaft, and the bottom plate of the rotating seat is fixedly embedded in the installation groove opened in the inclined section.

[0012] Preferably, a spring is fixedly installed in the groove formed in the discharge plate, and the other end of the spring is fixedly connected to the bottom plate of the rotating seat.

[0013] Preferably, a multi-stage cylinder is installed on the back of the counterweight box, and the output end of the multi-stage cylinder is fixedly connected to the side frame of the arc-shaped loading plate.

[0014] Preferably, a hydraulic cylinder is installed in the sliding frame, and an output end of the hydraulic cylinder is fixedly connected to a connecting end of the sliding seat.

[0015] Preferably, a horizontally arranged counterweight column is placed in the counterweight box.

[0016] Preferably, a socket is installed on the top of the counterweight box.

[0017] Compared with the related art, the oil pumping unit balancing weight device provided by the utility model has the following beneficial effects:

[0018] The arc-shaped loading plate and discharge assembly provided in the utility model can realize the addition and subtraction of the counterweight column in the counterweight box, which can avoid the manual operation of the staff to add and subtract the counterweight column. At the same time, it also avoids the problem of the staff being located under the counterweight column and making continuous dangerous contact with the counterweight column, thereby improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is one of the structural schematic diagrams of a preferred embodiment of the oil pumping unit balancing weight device provided by the utility model;

[0020] Figure 2 A second structural schematic diagram of a preferred embodiment of the balancing weight device for an oil pumping unit provided by the utility model;

[0021] Figure 3 for Figure 1 The structural schematic diagram of the sliding frame and the counterweight box shown;

[0022] Figure 4 for Figure 1 The structural schematic diagram of the discharge assembly shown;

[0023] Figure 5 for Figure 1 A schematic cross-sectional structural diagram of the sliding seat and the discharge assembly is shown.

[0024] Numbers in the figure: 1. Sliding frame; 11. Lifting step; 12. Hydraulic cylinder; 2. Counterweight box; 21. Socket seat; 3. Sliding seat; 31. Inclined section; 4. Discharging assembly; 41. Discharging plate; 42. Semicircular plate; 43. Arc-shaped protrusion; 44. Central connecting piece; 441. Rotating shaft; 442. Rotating seat; 443. Spring; 5. Arc-shaped loading plate; 51. Multi-stage cylinder; 6 Counterweight column. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0027] See also Figures 1 to 5 The utility model provides a pumping unit balancing counterweight device, which includes a sliding frame 1, a counterweight box 2, a discharge assembly 4 and an arc-shaped loading plate 5.

[0028] In the embodiments of the present invention, please refer to Figures 1 to 5 A counterweight box 2 is fixedly mounted on the sliding frame 1, and a socket seat 21 is installed on the top of the counterweight box 2, and the counterweight box 2 is provided with openings at the top and bottom. A sliding seat 3 is installed in the sliding frame 1 for sliding connection and for blocking the bottom opening of the counterweight box 2, and a hydraulic cylinder 12 is installed in the sliding frame 1, and the output end of the hydraulic cylinder 12 is fixedly connected to the connecting end of the sliding seat 3;

[0029] The counterweight box 2 is provided with a slidingly connected arc-shaped loading plate 5, and the back of the counterweight box 2 is provided with a multi-stage cylinder 51, and the output end of the multi-stage cylinder 51 is fixedly connected to the side frame of the arc-shaped loading plate 5, and a horizontally arranged counterweight column 6 is placed in the counterweight box 2.

[0030] It should be noted that when adding the counterweight column 6 to the counterweight box 2, the hydraulic cylinder 12 is turned on to drive the sliding seat 3 to block the bottom opening of the counterweight box 2, and the counterweight column 6 is placed horizontally in the discharge cavity formed between the arc-shaped loading plate 5 and the counterweight box 2. The multi-stage cylinder 51 is turned on so that the arc-shaped loading plate 5 pushes the counterweight column 6 to slide up along the counterweight box 2. After the arc-shaped loading plate 5 slides up to the opening above the counterweight box 2, there is no obstruction of the counterweight box 2 on the inside of the counterweight column 6, so that it rolls down along the arc-shaped loading plate 5 and rolls into the counterweight box 2 from the top opening of the counterweight box 2. Therefore, the counterweight column 6 is added to the counterweight box 2, which can avoid the staff from being located below the counterweight column 6 and making continuous and dangerous contact with the counterweight column 6, thereby improving safety.

[0031] In the embodiments of the present invention, please refer to Figures 1 to 5 The bottom of the sliding seat 3 is provided with an inclined section 31, and a feeding assembly 4 is installed on the sliding seat 3, and the feeding assembly 4 includes a feeding plate 41, one end of the feeding plate 41 is fixedly installed with a semicircular plate 42, and the other end of the semicircular plate 42 is fixedly engaged with an arc-shaped protrusion 43 convex downwardly, the feeding plate 41 is arranged parallel to the inclined section 31 and is rotatably connected. Specifically, a middle link 44 is arranged in the groove opened by the feeding plate 41, and the middle link 44 includes a rotating shaft 441, the rotating shaft 441 is rotatably installed in the groove opened by the feeding plate 41, and a rotating seat 442 rotatably connected is sleeved on the rotating shaft 441, the bottom plate of the rotating seat 442 is fixedly engaged in the mounting groove opened by the inclined section 31, and a spring 443 is fixedly installed in the groove opened by the feeding plate 41, and the other end of the spring 443 is fixedly connected to the bottom plate of the rotating seat 442.

[0032] A tilting step 11 is fixedly engaged with the opening of the sliding frame 1 , and the upper surface of the tilting step 11 is inclined.

[0033] It should be noted that: when it is necessary to reduce the weight in the counterweight box 2, the hydraulic cylinder 12 is turned on to drive the sliding seat 3 to slide inwardly along the sliding frame 1, and as the arc-shaped protrusion 43 slides along the upper surface of the tilted step 11, the arc-shaped protrusion 43 will tilt upward around the rotating shaft 441, and the spring 443 is compressed, thereby driving the semicircular plate 42 to tilt downward around the rotating shaft 441 and making its semicircular cross-section coplanar with the horizontal plane. Therefore, as the semicircular plate 42 slides down to the bottom of the counterweight box 2, the counterweight column 6 of the bottom layer of the counterweight box 2 can quickly fall into the semicircular plate 42, and then the hydraulic cylinder 12 is used to drive the sliding seat 3 to slide outwardly along the sliding frame 1, so that the sliding seat 3 again lifts the bottom of the counterweight box 2 The opening is blocked, and as the arc-shaped protrusion 43 slides outward along the upper surface of the raised step 11, the arc-shaped protrusion 43 will tilt downward around the rotating shaft 441, thereby driving the semicircular plate 42 to tilt upward around the rotating shaft 441 and making the semicircular cross-section of the semicircular plate 42 inclined to the horizontal plane. Therefore, the semicircular plate 42 cooperates with the end of the sliding seat 3 to limit the counterweight column 6 in the semicircular plate 42, reducing the phenomenon of the counterweight column 6 sliding sideways along the semicircular plate 42. Subsequent staff can remove the counterweight column 6 from the semicircular plate 42 by pushing the counterweight column 6 sideways. Therefore, the counterweight column 6 can be quickly removed from the counterweight box 2 without manual handling, which greatly improves efficiency and safety.

[0034] The working principle of the oil pumping unit balancing weight device provided by the utility model is as follows:

[0035] When adding a counterweight column 6 to the counterweight box 2, the hydraulic cylinder 12 is turned on to drive the sliding seat 3 to block the bottom opening of the counterweight box 2, and the counterweight column 6 is placed horizontally in the discharge cavity formed between the arc-shaped loading plate 5 and the counterweight box 2. The multi-stage cylinder 51 is turned on to allow the arc-shaped loading plate 5 to push the counterweight column 6 to slide up along the counterweight box 2. After the arc-shaped loading plate 5 slides up to the opening above the counterweight box 2, there is no counterweight box 2 to block the counterweight column 6 on the inside, so it rolls down along the arc-shaped loading plate 5 and rolls into the counterweight box 2 from the top opening of the counterweight box 2. Therefore, the counterweight column 6 is added to the counterweight box 2, which can avoid the staff from being located under the counterweight column 6 and making continuous and dangerous contact with the counterweight column 6, thereby improving safety.

[0036] When it is necessary to reduce the weight in the counterweight box 2, the hydraulic cylinder 12 is turned on to drive the sliding seat 3 to slide inwardly along the sliding frame 1. As the arc-shaped protrusion 43 slides along the upper surface of the tilted step 11, the arc-shaped protrusion 43 will tilt upward around the rotating shaft 441, and the spring 443 is compressed, thereby driving the semicircular plate 42 to tilt downward around the rotating shaft 441 and making its semicircular cross-section coplanar with the horizontal plane. Therefore, as the semicircular plate 42 slides down to the bottom of the counterweight box 2, the counterweight column 6 of the bottom layer of the counterweight box 2 can quickly fall into the semicircular plate 42, and the hydraulic cylinder 12 is used to drive the sliding seat 3 to slide outwardly along the sliding frame 1, so that the sliding seat 3 seals the bottom opening of the counterweight box 2 again. The semicircular plate 42 is blocked by the arc-shaped protrusion 43 which slides outward along the upper surface of the warped step 11. At this time, the arc-shaped protrusion 43 will warp downward around the rotating shaft 441, thereby driving the semicircular plate 42 to warp upward around the rotating shaft 441 and making the semicircular cross-section of the semicircular plate 42 inclined to the horizontal plane. Therefore, the semicircular plate 42 cooperates with the end of the sliding seat 3 to limit the counterweight column 6 in the semicircular plate 42, thereby reducing the phenomenon of the counterweight column 6 sliding sideways along the semicircular plate 42. Subsequent staff can remove the counterweight column 6 from the semicircular plate 42 by pushing the counterweight column 6 sideways. Therefore, the counterweight column 6 can be quickly removed from the counterweight box 2 without manual handling, thereby greatly improving efficiency and safety.

[0037] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A balancing weight device for an oil pumping unit, It is characterized in that include: a sliding frame (1), and A counterweight box (2) is fixedly mounted on the sliding frame (1), and the counterweight box (2) is provided with openings at the top and bottom. A sliding seat (3) is installed in the sliding frame (1) and is slidably connected and used to block the bottom opening of the counterweight box (2). The bottom of the sliding seat (3) is provided with an inclined section (31); A material discharge assembly (4) is mounted on the sliding seat (3), and the material discharge assembly (4) comprises a material discharge plate (41), a semicircular plate (42) is fixedly mounted on one end of the material discharge plate (41), and a downwardly convex arc-shaped protrusion (43) is fixedly engaged on the other end of the semicircular plate (42), and the material discharge plate (41) is arranged parallel to the inclined section (31) and is rotatably connected; A tilting step (11) is fixedly engaged at the opening of the sliding frame (1), and the upper surface of the tilting step (11) is inclined; The counterweight box (2) is provided with a slidably connected arc-shaped loading plate (5).

2. The oil pumping unit balancing weight device according to claim 1, It is characterized in that A central link (44) is arranged in the groove formed in the material discharge plate (41), and the central link (44) comprises a rotating shaft (441), the rotating shaft (441) is rotatably mounted in the groove formed in the material discharge plate (41), and a rotating seat (442) is sleeved on the rotating shaft (441) for rotational connection, and the bottom plate of the rotating seat (442) is fixedly engaged in the mounting groove formed in the inclined section (31).

3. The oil pumping unit balancing weight device according to claim 2, It is characterized in that A spring (443) is fixedly installed in the groove formed in the discharge plate (41), and the other end of the spring (443) is fixedly connected to the bottom plate of the rotating seat (442).

4. The oil pumping unit balancing weight device according to claim 1, It is characterized in that A multi-stage cylinder (51) is installed on the back of the counterweight box (2), and the output end of the multi-stage cylinder (51) is fixedly connected to the side frame of the arc-shaped loading plate (5).

5. The oil pumping unit balancing weight device according to claim 1, It is characterized in that A hydraulic cylinder (12) is installed in the sliding frame (1), and an output end of the hydraulic cylinder (12) is fixedly connected to a connecting end of the sliding seat (3).

6. The oil pumping unit balancing weight device according to claim 1, It is characterized in that A horizontally arranged counterweight column (6) is placed in the counterweight box (2).

7. The oil pumping unit balancing weight device according to claim 1, It is characterized in that A sleeve seat (21) is installed on the top of the counterweight box (2).

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