Split type shield for balance block of beam-pumping unit

Abstract

The utility model relates to a split type protective cover for a balance block of a beam-pumping unit. According to the technical scheme, the two ends of a left protective cover and the two ends of a right protective cover are fixedly connected through protective cover tension braces respectively, one or more sets of Z-shaped guardrail supports are arranged at the bottom of the left protective cover and the bottom of the right protective cover respectively, and the protective cover is fixedly connected with a base of the beam-pumping unit through the one or more sets of Z-shaped guardrail supports; the left side protective cover and the right side protective cover comprise the middle protective cover, the left protective cover and the right protective cover respectively, and the middle protective cover, the left protective cover and the right protective cover are each of a fan-shaped structure. The beam-pumping unit guardrail has the advantages that on one hand, the Z-shaped guardrail support and the adjusting fixing plate are connected with the pumping unit base through bolts, front-back and left-right adjustment of the installation position is achieved, and the beam-pumping unit guardrail can be used for beam-pumping units of various models; on the other hand, the number of operators can be reduced, the installation and operation cost is reduced, the workload is reduced, and the high-risk construction cost of hoisting operation and the use cost of special vehicles are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of safety protection of a beam pumping unit, in particular to a split-type protective cover for a balance block of a beam pumping unit. Background Art

[0002] The walking beam pumping unit is one of the main types of pumping units used in oil fields. It is mainly composed of a donkey head, a walking beam, a connecting rod, a crank mechanism, a balance block, a reduction box, etc. When working, the motor is transmitted to the reduction box through a belt, and the walking beam is driven up and down through the crank-connecting rod mechanism and the balance block, so that the donkey head drives the plunger of the downhole oil pump to move up and down through the bare rod and the sucker rod, thereby continuously pumping the crude oil in the well out of the wellbore. It has the characteristics of reliable performance, simple structure, and easy operation and maintenance.

[0003] In order to prevent people or animals from entering the pumping unit guardrail and getting injured by accidentally touching the balance block moving up and down, people have designed an integrally shaped guard to protect them. However, since the beam pumping unit needs to be repaired, its working parameters adjusted, and side-drilled for overhaul after a period of operation, and the beam pumping unit is often moved and installed, at least five people are required to cooperate in the removal and installation of the integral guard on the outside of the balance block of the pumping unit. In addition, the construction process involves on-site welding, hot work, and hoisting operations at high altitudes. The removal and installation process is highly dangerous, labor-intensive, and labor-intensive. Utility Model Content

[0004] The purpose of the utility model is to provide a split-type guard cover for the balance block of a walking beam oil pump in view of the above-mentioned defects in the prior art. On the one hand, the Z-shaped guardrail bracket and the adjustment fixing plate are connected to the oil pump base by bolts, so that the front and rear and left and right adjustment of the installation position can be realized, which can meet the use of various types of walking beam oil pumps; on the other hand, it can reduce the number of operators, reduce the installation and operation costs, and reduce the workload.

[0005] The utility model discloses a beam pumping unit balance block split-type protective cover, the technical scheme of which is as follows: comprising a left protective cover (1), a right protective cover (2), a Z-shaped guardrail bracket (3), and a protective cover brace (8), wherein the two ends of the left protective cover (1) and the right protective cover (2) are respectively fixedly connected by means of a protective cover brace (8), and at least one set of Z-shaped guardrail brackets (3) are respectively arranged at the bottom of the left protective cover (1) and the right protective cover (2), and are connected and fixed to the base of the beam pumping unit by means of the at least one set of Z-shaped guardrail brackets (3); the left protective cover (1) and the right protective cover (2) respectively comprise a middle protective cover (1.1), a left protective cover (1.2), and a right protective cover (1.3), and the middle protective cover (1.1), the left protective cover (1.2), and the right protective cover (1.3) are respectively fan-shaped structures.

[0006] Preferably, the Z-shaped guardrail bracket (3) comprises a U-shaped bolt (3.1), an adjustment fixing plate (3.2), a support frame (3.3) and a U-shaped clamp (3.4); the support frame (3.3) is a Z-shaped structure, one end of which is connected to the adjustment fixing plate (3.2) via the U-shaped bolt (3.1), and is connected and fixed to the base of the walking beam pumping unit via the adjustment fixing plate (3.2); the other end of the support frame (3.3) is connected to the lower ends of the left guard cover (1) and the right guard cover (2) via one or more U-shaped clamps (3.4).

[0007] Preferably, a side fixing frame (3.5) is provided on the outer side of the longitudinal rod of the Z-shaped support frame (3.3), a first lining plate (3.6) and a second lining plate (3.7) are installed on the adjustment fixing plate (3.2), and the second lining plate (3.7) is installed on the upper side of the first lining plate (3.6) along the axial direction of the support frame (3.3).

[0008] Preferably, the intermediate shield (1.1) comprises a first main support rod (1.1.1), a second side support rod (1.1.2), a third side support rod (1.1.3), an outer arc-shaped frame (1.1.4), and a supporting cross bar (1.1.5); the second side support rod (1.1.2) and the third side support rod (1.1.3) are respectively provided on both sides of the first main support rod (1.1.1), and the upper ends are connected together, and the lower ends are respectively welded to the outer arc-shaped frame (1.1.4) to form a fan-shaped structure; the outer arc-shaped frame (1.1.4) is provided with two, and is fixed by welding in the middle by a supporting cross bar (1.1.5).

[0009] Preferably, a shield positioning plate (1.1.6) and a shield connecting plate (1.1.7) are respectively welded at both ends of the two outer arc-shaped frames, and the left shield (1) and the right shield (2) are respectively connected via the shield positioning plate (1.1.6) and the shield connecting plate (1.1.7).

[0010] Preferably, the above-mentioned left shield (1.2) comprises a first oblique support rod (1.2.1), a side arc-shaped frame (1.2.2), and a second main support rod (1.2.3); the first oblique support rod (1.2.1) is provided on the right side of the second main support rod (1.2.3) and contacts and cooperates with the second side support rod (1.1.2) of the middle shield (1.1); the side arc-shaped frame (1.2.2) is provided on the left side of the second main support rod (1.2.3), and the side arc-shaped frame (1.2.2) is connected and fixed to the outer arc-shaped frame (1.1.4) of the middle shield (1.1).

[0011] The beneficial effects of the utility model are as follows: the utility model uses a Z-shaped guardrail bracket and an adjustment fixing plate to replace the previous angle steel welded support frame, and the Z-shaped guardrail bracket and the adjustment fixing plate are connected to the oil pump base by bolts, so as to realize the front and rear, left and right adjustment of the installation position, and can meet the use of various types of walking beam oil pumps, and effectively realize the protection of the balance block part to avoid harm to personnel or animals; and, the Z-shaped guardrail bracket can be dismantled and installed without using fire, effectively eliminating the safety risks of hot work, and the installation and construction operations are simple, time-saving, labor-saving, and risk-avoiding; in addition, the left guard shield and the right guard shield are composed of three parts connected, which can reduce the number of operators to 2 people, greatly reducing the safety risks during installation operations, and also reducing the high-risk construction of hoisting operations and the cost of using special vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the utility model in a top view;

[0014] Figure 3 It is a schematic diagram of the utility model from the left side;

[0015] Figure 4 It is a front structural schematic diagram of the utility model;

[0016] Figure 5 It is a schematic diagram of the overall structure of the left side shield;

[0017] Figure 6 It is a schematic diagram of the structure of the middle shield of the left shield;

[0018] Figure 7 is a perspective view of the middle shield of the left shield;

[0019] Figure 8 is a structural schematic diagram of a left guard of a left guard;

[0020] Fig. 9 It is a schematic diagram of the structure of the right shield of the left shield;

[0021] Fig.10 It is a three-dimensional picture of the Z-type guardrail bracket;

[0022] Fig.11 This is the front view of the Z-type guardrail bracket;

[0023] Fig.12 It is the installation diagram of the Z-type guardrail bracket and the oil pumping unit base;

[0024] In the figure above: left guard 1, right guard 2, Z-shaped guardrail bracket 3, middle guard 1.1, left guard 1.2 and right guard 1.3, U-shaped bolt 3.1, adjustment fixing plate 3.2, support frame 3.3, U-shaped clamp 3.4, side fixing frame 3.5, first lining plate 3.6, second lining plate 3.7, pumping unit base 3.8, first main support rod 1.1.1, second side support rod 1.1.2, third side support rod 1.1.3, outer arc frame 1.1.4, support cross bar 1.1.5, guard locating plate 1.1.6, guard connecting plate 1.1.7. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0026] Example 1, reference Figure 1-Figure 12 The utility model mentions a split-type guard cover of a beam pumping unit balance block, comprising a left-side guard cover 1, a right-side guard cover 2, a Z-shaped guardrail bracket 3, and a guard cover brace 8. The two ends of the left-side guard cover 1 and the right-side guard cover 2 are respectively fixedly connected by the guard cover brace 8, and one or more Z-shaped guardrail brackets 3 are respectively provided at the bottom of the left-side guard cover 1 and the right-side guard cover 2, which are connected and fixed to the base of the beam pumping unit through one or more Z-shaped guardrail brackets 3; the left-side guard cover 1 and the right-side guard cover 2 respectively include an intermediate guard cover 1.1, a left guard cover 1.2 and a right guard cover 1.3, and the intermediate guard cover 1.1, the left guard cover 1.2 and the right guard cover 1.3 are respectively fan-shaped structures.

[0027] Reference Figure 10-11 The Z-shaped guardrail bracket 3 mentioned in the utility model includes a U-shaped bolt 3.1, an adjustment fixing plate 3.2, a support frame 3.3 and a U-shaped clip 3.4. The support frame 3.3 is a Z-shaped structure, one end of which is connected to the adjustment fixing plate 3.2 through the U-shaped bolt 3.1, and is connected and fixed to the base of the walking beam pumping unit through the adjustment fixing plate 3.2. The other end of the support frame 3.3 is connected to the lower ends of the left guard 1 and the right guard 2 through more than one U-shaped clip 3.4.

[0028] Among them, a side fixing frame 3.5 is provided on the outer side of the longitudinal rod of the Z-shaped support frame 3.3, and a first lining plate 3.6 and a second lining plate 3.7 are installed on the adjustment fixing plate 3.2, and the second lining plate 3.7 is installed on the upper side of the first lining plate 3.6 along the axial direction of the support frame 3.3.

[0029] Reference Figure 6-Figure 7The intermediate shield 1.1 mentioned in the utility model includes a first main support rod 1.1.1, a second side support rod 1.1.2, a third side support rod 1.1.3, an outer arc-shaped skeleton 1.1.4, and a supporting cross bar 1.1.5. The second side support rod 1.1.2 and the third side support rod 1.1.3 are respectively provided on both sides of the first main support rod 1.1.1, and the upper ends are connected together, and the lower ends are respectively welded to the outer arc-shaped skeleton 1.1.4 to form a fan-shaped structure. The outer arc-shaped skeleton 1.1.4 is provided with two, and is welded and fixed in the middle by a supporting cross bar 1.1.5.

[0030] Wherein, a shield positioning plate 1.1.6 and a shield connecting plate 1.1.7 are respectively welded at both ends of the two outer arc-shaped frames, and the left shield 1 and the right shield 2 are respectively connected through the shield positioning plate 1.1.6 and the shield connecting plate 1.1.7.

[0031] Reference Figure 8 The left guard 1.2 mentioned in the utility model includes a first oblique support rod 1.2.1, a side arc-shaped frame 1.2.2, and a second main support rod 1.2.3. The right side of the second main support rod 1.2.3 is provided with a first oblique support rod 1.2.1, which contacts and cooperates with the second side support rod 1.1.2 of the middle guard 1.1; the left side of the second main support rod 1.2.3 is provided with a side arc-shaped frame 1.2.2, and the side arc-shaped frame 1.2.2 is connected and fixed to the outer arc-shaped frame 1.1.4 of the middle guard 1.1.

[0032] When the utility model is used, firstly, the bulk components are transported to the side of the beam pumping unit at the well site by vehicles for assembly. Workers assemble the left shield 1.2 and the right shield 1.3 to the two sides of the middle shield 1.1 to form the left shield 1. Similarly, the right shield 2 is assembled. The left shield 1 and the right shield 2 are symmetrical structures. Then, the shield tensioning support 8 is fixed between the left shield 1 and the right shield 2, and then fixed to the pumping unit base 3.8 by the Z-shaped guardrail bracket 3, and the side fixing frame 3 is fixed to the left shield 1 and the right shield 2. .5 and the adjusting fixing plate 3.2 are used to fix the oil pump base 3.8. The side fixing frame 3.5 is located on the lower side of the I-shaped steel plate, and the adjusting fixing plate 3.2 is located on the upper side. The front and rear and left and right positions are adjusted by adjusting the first lining plate 3.6 and the second lining plate 3.7 on the fixing plate 3.2. This can meet the use of various types of walking beam oil pumps, realize non-fire dismantling and installation, effectively eliminate the safety risks of hot work, and the installation and construction are simple to operate, saving time and effort, avoiding risks, and also saving manpower.

[0033] Embodiment 2, the utility model mentions a split-type protective cover of a walking beam pumping unit balance block, comprising a left protective cover 1, a right protective cover 2, a Z-shaped guardrail bracket 3, and a protective cover brace 8, wherein the two ends of the left protective cover 1 and the right protective cover 2 are respectively fixedly connected by the protective cover brace 8, and one or more groups of Z-shaped guardrail brackets 3 are respectively provided at the bottom of the left protective cover 1 and the right protective cover 2, which are connected and fixed to the base of the walking beam pumping unit through one or more groups of Z-shaped guardrail brackets 3; the left protective cover 1 and the right protective cover 2 respectively include a middle protective cover 1.1, a left protective cover 1.2 and a right protective cover 1.3, and the middle protective cover 1.1, the left protective cover 1.2 and the right protective cover 1.3 are respectively fan-shaped structures.

[0034] The difference from Example 1 is:

[0035] In this embodiment, protective nets are installed on the left and right shields 1 and 2 to prevent the moving balance weight from injuring people or animals, and a warning sign is provided on the outside of the middle shield 1.1 to serve as a warning.

[0036] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent transformation based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A beam pumping unit balance block split cover, characterized by: The invention comprises a left side guard shield (1), a right side guard shield (2), a Z-shaped guardrail bracket (3), and a guard shield brace (8); the two ends of the left side guard shield (1) and the right side guard shield (2) are respectively fixedly connected by the guard shield brace (8); at the bottom of the left side guard shield (1) and the right side guard shield (2), one or more sets of Z-shaped guardrail brackets (3) are respectively provided, and are connected and fixed to the base of the walking beam pumping unit by the one or more sets of Z-shaped guardrail brackets (3); the left side guard shield (1) and the right side guard shield (2) respectively comprise a middle guard shield (1.1), a left guard shield (1.2), and a right guard shield (1.3); and the middle guard shield (1.1), the left guard shield (1.2), and the right guard shield (1.3) are respectively fan-shaped structures.

2. The split-type shroud of the balance block of a beam pumping unit according to claim 1 is characterized in that: The Z-shaped guardrail bracket (3) comprises a U-shaped bolt (3.1), an adjustment fixing plate (3.2), a support frame (3.3) and a U-shaped clamp (3.4); the support frame (3.3) is a Z-shaped structure, one end of which is connected to the adjustment fixing plate (3.2) via the U-shaped bolt (3.1), and is connected and fixed to the base of the beam pumping unit via the adjustment fixing plate (3.2); the other end of the support frame (3.3) is connected to the lower ends of the left guard cover (1) and the right guard cover (2) via one or more U-shaped clamps (3.4).

3. The split type shield of the balance block of the beam pumping unit according to claim 2 is characterized in that: A side fixing frame (3.5) is provided on the outside of the longitudinal rod of the Z-shaped support frame (3.3); a first lining plate (3.6) and a second lining plate (3.7) are installed on the adjustment fixing plate (3.2); the second lining plate (3.7) is installed on the upper side of the first lining plate (3.6) along the axial direction of the support frame (3.3).

4. The split-type shroud of the balance block of a beam pumping unit according to claim 1 is characterized in that: The intermediate shield (1.1) comprises a first main support rod (1.1.1), a second side support rod (1.1.2), a third side support rod (1.1.3), an outer arc-shaped frame (1.1.4), and a supporting cross bar (1.1.5); the second side support rod (1.1.2) and the third side support rod (1.1.3) are respectively provided on both sides of the first main support rod (1.1.1), and the upper ends are connected together, and the lower ends are respectively welded to the outer arc-shaped frame (1.1.4) to form a fan-shaped structure; two outer arc-shaped frames (1.1.4) are provided, and are fixed by welding in the middle through a supporting cross bar (1.1.5).

5. The split type shield of the balance block of the beam pumping unit according to claim 4 is characterized in that: A shield positioning plate (1.1.6) and a shield connecting plate (1.1.7) are respectively welded to the two ends of the two outer arc-shaped frames, and the left shield (1) and the right shield (2) are respectively connected via the shield positioning plate (1.1.6) and the shield connecting plate (1.1.7).

6. The split-type shroud of the balance block of a beam pumping unit according to claim 4 is characterized in that: The left shield (1.2) comprises a first oblique support rod (1.2.1), a side arc-shaped frame (1.2.2), and a second main support rod (1.2.3); the first oblique support rod (1.2.1) is provided on the right side of the second main support rod (1.2.3) and contacts and cooperates with the second side support rod (1.1.2) of the middle shield (1.1); the side arc-shaped frame (1.2.2) is provided on the left side of the second main support rod (1.2.3), and the side arc-shaped frame (1.2.2) is connected and fixed to the outer arc-shaped frame (1.1.4) of the middle shield (1.1).

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