A counterweight type pumping unit

Abstract

The application discloses a counterweight type pumping unit, which is characterized by comprising a stand column, a balance beam, a connecting rod A and a counterweight part B, wherein the balance beam comprises a hollow counterweight part A and a solid beam, the counterweight part A and the solid beam are connected to form a strip-shaped balance beam, the solid beam is hinged on the stand column, a horse head is arranged at the end of the solid beam, the counterweight part A is a hollow cavity, one end of the connecting rod A is fixed on the balance beam, the other end of the connecting rod A is connected with a driving mechanism, the balance beam is swung through the driving mechanism, the counterweight part B is fixed on the connecting rod A and is close to the connecting end of the driving mechanism, the counterweight part B is a hollow cavity, the counterweight part A can be arranged with a counterweight block which can slide in the inner cavity of the counterweight part A, and lubricating oil is injected into the inner cavity, and the counterweight part B can also be arranged with a counterweight block with a certain weight according to requirements.

Description

TECHNICAL FIELD

[0001] The present application relates to a pumping unit, in particular to a counterweight type pumping unit. BACKGROUND

[0002] Beam pumping unit, also known as beam pumping unit, beam type crank balance pumping unit, refers to the beam containing, through the connecting rod mechanism reversing, crank counterbalance pumping unit, commonly known as the kowtow machine. From the oil production method is a rod type oil production equipment.

[0003] CN102678089 discloses a counterweight type pumping unit, but the structure is relatively complex, and the adjustment sensitivity is not high. The applicant proposes a counterweight type pumping unit which is simple in structure, convenient to use, high in adjustment sensitivity and can save electric energy. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a counterweight type pumping unit which is simple in structure, convenient to use, high in adjustment sensitivity and can save electric energy.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0006] A counterweight type pumping unit, characterized in that: comprising a stand column (7), a balance beam, a connecting rod A (5) and a counterweight part B (6), the balance beam comprises a hollow counterweight part A (1) and a solid solid beam (2), that is, the counterweight part A (1) and the solid beam (2) are connected to form a strip-shaped balance beam, the solid beam (2) is hinged on the stand column, the end of the solid beam (2) is provided with a horse head (4), the counterweight part A (1) is a hollow cavity, one end of the connecting rod A (5) is fixed on the balance beam, the other end is connected with a driving mechanism, the balance beam is swung by the driving mechanism, the counterweight part B (6) is fixed on the connecting rod A (5) and close to the connecting end of the driving mechanism, the counterweight part B (6) is a hollow cavity, the counterweight part A (1) and the counterweight part B (6) can contain liquid as needed.

[0007] The counterweight part A (1) can place a counterweight block which can slide in the inner cavity of the counterweight part A (1), and lubricating oil is injected in the inner cavity, and the counterweight part B (6) can also be provided with a counterweight block of a certain weight as needed.

[0008] The counterweight part A (1) and the counterweight part B (6) are provided with openings, and the openings are provided with covers, so that the counterweight blocks and the injected liquid can be contained through the openings, and the injected liquid is lubricating oil.

[0009] The driving mechanism comprises a motor (12), a speed reducer (11), a driving wheel (10), a connecting rod B (8) and a connecting rod C (9), the connecting rod C (9) is fixed on the driving wheel (10) to rotate synchronously, the other end of the connecting rod C (9) is hinged to the connecting rod B (8), and the other end of the connecting rod B (8) is hinged to the connecting rod A (5).

[0010] In actual use, the connecting rod A (5) is driven to swing by the driving mechanism, the balance beam is driven to swing, the horse head (4) is driven to move up and down to realize the oil pumping operation, during the operation, the counterweight blocks are placed in the counterweight part A (1) and the counterweight part B (6), the lubricating oil is injected into the counterweight part A (1), when the counterweight blocks slide, the lubricating oil can reduce the running sound and also has the lubricating effect, the counterweight blocks with appropriate weight are placed in the counterweight part B (6) according to the need and the lubricating liquid is injected, when the balance beam swings up and down, the horse head (4) end moves up and down, the horse head swings between the high point and the low point, the counterweight blocks in the counterweight part A (1) move to the end far from the column (7), at this time, the counterweight part B (6) is also lifted, when the horse head moves from the high point to the low point, the counterweight blocks in the counterweight part A (1) move to the column from the end far from the column, under the action of the driving mechanism and the gravity of the counterweight part B (6), the connecting rod A (5) is driven to swing to the column, the connecting rod A (5) reciprocates under the action of the driving mechanism, the gravity of the counterweight part B (6) and the motion inertia of the counterweight part B (6), through the three combined forces, a driving mechanism with smaller power can be used to realize the operation and reduce the energy consumption.

[0011] The counterweight blocks are metal blocks or metal balls, and the material can be steel or iron.

[0012] The lubricating oil can be machine oil or waste machine oil.

[0013] The counterweight blocks arranged in the counterweight part A (1) and the counterweight part B (6) have a gap with the inner wall of the counterweight part A (1) and the counterweight part B (6), and the gap is filled with lubricating oil, that is, the radial dimension of the counterweight block is slightly smaller than the caliber of the counterweight part A (1) and the counterweight part B (6), so that the counterweight block can slide freely.

[0014] Compared with the prior art, the oil pumping machine has the advantages of simple structure, convenient use, high adjustment sensitivity and energy saving. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is the structural schematic diagram I of the present application.

[0016] Fig. 2 is the structural schematic diagram II of the present application.

[0017] Fig. 3is a structural schematic diagram of the counterweight part A of the present application.

[0018] As shown in the figure: 1 is the counterweight part A, 2 is the solid beam, 3 is the hinge part, 4 is the horse head, 5 is the connecting rod A, 6 is the counterweight part B, 7 is the upright column, 8 is the connecting rod B, 9 is the connecting rod C, 10 is the driving wheel, 11 is the speed reducer, and 12 is the motor. DETAILED DESCRIPTION

[0019] The above content of the present application is further described in detail through the following examples. Obviously, the described examples are only a part of the examples of the present application, but not all the examples. Based on the examples in the present application, all the other examples obtained by the person skilled in the art without making creative efforts belong to the protection scope of the present application.

[0020] Example 1: Reference Figs. 1-3 is a structural schematic diagram of the present application Example 1. The present example discloses a counterweight type pumping unit, which is characterized by comprising an upright column (7), a balance beam, a connecting rod A (5) and a counterweight part B (6). The balance beam comprises a hollow counterweight part A (1) and a solid solid beam (2), that is, the counterweight part A (1) and the solid beam (2) are connected to form a strip-shaped balance beam. The solid beam (2) is hinged on the upright column, and the end of the solid beam (2) is provided with a horse head (4). The counterweight part A (1) is a hollow cavity. One end of the connecting rod A (5) is fixed on the balance beam, and the other end is connected to a driving mechanism. The balance beam is swung by the driving mechanism. The counterweight part B (6) is fixed on the connecting rod A (5) and is close to the connecting end of the driving mechanism. The counterweight part B (6) is a hollow cavity. The counterweight part A (1) and the counterweight part B (6) can contain liquid as needed.

[0021] The counterweight part A (1) can place a counterweight block that can slide in the inner cavity of the counterweight part A (1), and lubricating oil can be injected in the inner cavity. The counterweight part B (6) can also be provided with a counterweight block of a certain weight as needed.

[0022] The counterweight part A (1) and the counterweight part B (6) are provided with openings, and the openings are provided with covers. The counterweight block and the injected liquid can be contained through the openings. The injected liquid is lubricating oil.

[0023] The driving mechanism comprises a motor (12), a speed reducer (11), a driving wheel (10), a connecting rod B (8) and a connecting rod C (9). The connecting rod C (9) is fixed on the driving wheel (10) to rotate synchronously. The other end of the connecting rod C (9) is hinged to the connecting rod B (8). The other end of the connecting rod B (8) is hinged to the connecting rod A (5).

[0024] In actual use, the driving mechanism drives the connecting rod A (5) to swing, drives the balance beam to swing, and drives the horse head (4) to move up and down to realize the pumping operation. During the operation, the counterweight blocks are placed in the counterweight part A (1) and the counterweight part B (6). The counterweight part A (1) is also filled with lubricating oil. When the counterweight block slides, the lubricating oil can reduce the running sound and also has a lubricating effect. The counterweight part B (6) is filled with lubricating liquid according to the required weight of the counterweight block. When the balance beam swings up and down, the horse head (4) end will move up and down, and the horse head will swing between the high point and the low point. The counterweight block in the counterweight part A (1) will move to the end away from the column (7). At this time, the counterweight part B (6) is also tilted. When the horse head moves from the high point to the low point, the slider in the counterweight part A (1) will move from the original end of the column to the direction of the column. At the same time, under the action of the driving mechanism and the gravity of the counterweight part B (6), it will drive the connecting rod A (5) to swing in the direction. The connecting rod A (5) is subjected to three combined forces of the driving mechanism, the gravity of the counterweight part B (6), and the motion inertia of the counterweight part B (6), and reciprocates. Through the three combined forces, a smaller power driving mechanism can be used to realize the operation and achieve the purpose of reducing energy consumption.

[0025] The counterweight block uses a metal block or a metal ball, and the material can be steel or iron.

[0026] The lubricating oil can use engine oil or waste engine oil.

[0027] If the caliber of the counterweight part A (1) and the counterweight part B (6) is 10 cm, the diameter or side length of the counterweight block can be 8 cm, 7 cm, etc. There is a gap between the counterweight block and the counterweight part, and the gap is filled with lubricating oil.

[0028] The inner section of the counterweight part A is a square, a triangle, a rectangle, a circle, and the counterweight block placed in the counterweight part A has the same cross section as the counterweight part A.

[0029] The inner section of the counterweight part B is a square, a triangle, a rectangle, a circle, and the counterweight block placed in the counterweight part A has the same cross section as the counterweight part B.

[0030] In actual use, the counterweight block placed in the counterweight part A occupies one-third or one-half of the space after filling.

Claims

1. A counterweight-type oil pump, characterized in that: It includes a column (7), a balance beam, a connecting rod A (5), and a counterweight B (6). The balance beam includes a hollow counterweight A (1) and a solid beam (2), that is, the counterweight A (1) and the solid beam (2) are connected to form a strip-shaped balance beam. The solid beam (2) is hinged to the column, and a donkey head (4) is provided at the end of the solid beam (2). The counterweight A (1) is a hollow cavity. One end of the connecting rod A (5) is fixed to the balance beam, and the other end is connected to the drive mechanism. The drive mechanism drives the balance beam to swing. The counterweight B (6) is fixed to the connecting rod A (5) and is close to the connection end of the drive mechanism. The counterweight B (6) is a hollow cavity. The counterweight A (1) can hold a counterweight block that can slide inside the cavity of the counterweight A (1), and lubricating oil is injected into the cavity. The counterweight B (6) can also be equipped with a counterweight block of a certain weight as needed. The counterweight A (1) and counterweight B (6) are provided with openings, and the openings are provided with covers, through which counterweights can be held and liquids can be injected. The drive mechanism includes a motor (12), a reducer (11), a drive wheel (10), a connecting rod B (8) and a connecting rod C (9). The connecting rod C (9) is fixed on the drive wheel (10) and rotates synchronously. The other end of the connecting rod C (9) is hinged to the connecting rod B (8), and the other end of the connecting rod B (8) is hinged to the connecting rod A (5).

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