Oil pumping unit and horse head centering control device

Abstract

The invention provides an oil pumping unit and a horsehead centering control device, and relates to the technical field of oil pumping units, the horsehead centering control device comprises a shell, a reversing plate head, a main shaft and a deviation adjusting assembly, the main shaft is rotatably installed in the shell and can move in the axis direction of the main shaft, the first end of the main shaft extends out of the shell, and the second end of the main shaft extends out of the shell; the reversing plate head is installed at the first end of the main shaft through an eccentric assembly and used for being connected with a driving device to drive the main shaft to rotate. The deviation adjusting assemblies are installed on the two sides of the main shaft in a staggered mode, a certain distance exists between the two deviation adjusting assemblies in the length direction of the main shaft, two first umbrella-shaped gears are arranged on the main shaft, and umbrella parts of the two first umbrella-shaped gears are oppositely arranged. And one first bevel gear is meshed with one deviation adjusting assembly to drive the deviation adjusting assembly to move, the deviation adjusting assembly rotates to enable a jackscrew capable of adjusting the horsehead to stretch out or retract back, and therefore the horsehead can be centered conveniently.

Description

Technical Field

[0001] The invention relates to the technical field of oil pumping units, in particular to an oil pumping unit and a donkey head centering control device. Background Art

[0002] The donkey head's centering operating screw device has shown its superiority and safety in practice, that is, it is convenient for employees to adjust the donkey head, but it also exposes its weaknesses and shortcomings, especially when the pumping unit is driving several tons or even more than ten tons of weight underground during the production process. Moving the pumping unit's donkey head left and right shows that the insufficient moving force of the device has brought difficulties to the operation, which has increased the difficulty of operation, and many other problems such as inaccurate control of moving accuracy. Summary of the Invention

[0003] The present invention aims to provide an oil pumping unit and a pump head centering control device to address the technical issues of inconvenient use and inaccurate movement accuracy of existing pump head centering control devices. The various technical effects achieved by the preferred technical solution among the various technical solutions provided by the present invention are detailed below.

[0004] To achieve the above objectives, the present invention provides the following technical solutions: The present invention provides a donkey head centering control device, including a shell, a reversing plate head, a main shaft, and an adjustment assembly. The main shaft is rotatably installed in the shell and can move along the axial direction of the main shaft, wherein the first end of the main shaft extends out of the shell, the reversing plate head is installed on the first end of the main shaft through an eccentric assembly, and is used to connect with a driving device to drive the main shaft to rotate, the adjustment assembly is installed on both sides of the main shaft, and the adjustment assembly is staggered. Two first bevel gears are provided on the main shaft. When the reversing plate head is adjusted, one of the first bevel gears is meshed with one of the adjustment assemblies to drive the adjustment assembly to move, and the adjustment assembly rotates to extend or retract the adjustable top screw.

[0005] Preferably, two groups of first bearing seats are provided on the housing, thrust bearings are provided on the first bearing seats, and the two groups of the deviation adjustment components are provided between the two groups of the first bearing seats.

[0006] Preferably, a spring is provided on the main shaft, and two ends of the spring abut against the inner wall of the shell and the bearing seat.

[0007] Preferably, the adjustment assembly includes a second umbrella-shaped gear, a second rotating shaft, and a second support frame. The second umbrella-shaped gear is installed at one end of the second rotating shaft. The second rotating shaft is installed on the second support frame. A first threaded hole is provided on the second rotating shaft, and the top screw is installed in the first threaded hole.

[0008] Preferably, a second bearing seat is provided on the second support frame, a second bearing is mounted on the second bearing seat, and the second rotating shaft is mounted on the second bearing.

[0009] Preferably, the transmission ratio between the first bevel gear and the second bevel gear is 1:5.5.

[0010] Preferably, fasteners for installation and fixation are provided on both sides of the shell.

[0011] Preferably, the reversing plate head is set to a cube shape with a hollow space in the middle. Among the four side faces, two adjacent side faces are respectively provided with a first connecting member and a second connecting member. In addition, a gap is set between two adjacent side faces for the main shaft to enter the hollow space, and a circular arc transition is provided between the two side faces.

[0012] The present application also provides an oil pumping unit, comprising any one of the above-mentioned donkey head centering control devices, wherein the top screw can contact the inner side plates on both sides of the burner head to adjust the position of the burner head.

[0013] The technical solution provided in this application document has the following beneficial effects: The present invention provides a donkey head centering control device, comprising a housing, a reversing plate, a main shaft, and an adjustment assembly. The main shaft is rotatably mounted within the housing and is movable along the main shaft axis. A first end of the main shaft extends out of the housing, and a second end of the main shaft is mounted on a first support frame within the housing. The reversing plate is mounted on the first end of the main shaft via an eccentric assembly. The reversing plate is configured to connect to a drive device to drive the main shaft to rotate. The adjustment assembly is mounted on either side of the main shaft and is staggered. As shown in the figure, the two adjustment assemblies are spaced a certain distance apart along the length of the main shaft. Two first bevel gears are disposed on the main shaft, with the bevel portions of the two first bevel gears facing each other, thereby fully utilizing the space within the housing. When the reversing plate is adjusted, one of the first bevel gears engages with one of the adjustment assemblies to drive the adjustment assembly to move. The adjustment assembly rotates to extend or retract a screw capable of adjusting the donkey head. This arrangement facilitates centering the donkey head and improves the accuracy of movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 11 is a schematic structural diagram of the donkey head centering control device provided in Example 1 of the present invention; Figure 2 is a schematic structural diagram showing a reversing plate head according to an exemplary embodiment; Figure 3 FIG. 1 is a schematic structural diagram showing a main shaft according to an exemplary embodiment.

[0016] In the figure: 1. Housing; 11. Fastener; 2. Reversing plate head; 21. Eccentric assembly; 22. First connecting member; 23. Second connecting member; 3. Main shaft; 31. First bevel gear; 32. First bearing seat; 33. Spring; 4. Adjustment assembly; 41. Second bevel gear; 42. Top screw; 43. Second bearing seat; 44. Second rotating shaft. DETAILED DESCRIPTION

[0017] To make the objectives, technical solutions, and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without inventive effort are within the scope of protection of the present invention.

[0018] This specific embodiment provides an oil pumping unit and a donkey head centering control device to solve the technical problems in the prior art that the donkey head centering control device is inconvenient to use and has inaccurate movement precision.

[0019] The following embodiments are described with reference to the accompanying drawings. The embodiments described below do not limit the invention as set forth in the claims. Furthermore, the entire contents of the configurations shown in the following embodiments are not necessarily required to serve as solutions to the invention as set forth in the claims.

[0020] Reference Figure 1-Figure 3 The present invention provides a donkey head centering control device, including a housing 1, a reversing plate head 2, a main shaft 3, and an adjustment component 4. The main shaft 3 is rotatably installed in the housing 1 and can move along the axial direction of the main shaft 3. The first end of the main shaft 3 extends out of the housing 1, and the second end of the main shaft 3 is installed on the first support frame in the housing 1. The reversing plate head 2 is installed at the first end of the main shaft 3 through the eccentric component 21. The reversing plate head 2 is used to connect with the driving device to drive the main shaft 3 to rotate. The adjustment component 4 is installed on both sides of the main shaft 3, and the adjustment component 4 is staggered, such as Figure 1As shown, there is a certain distance between the two adjustment components 4 along the length direction of the main shaft 3. Two first bevel gears 31 are provided on the main shaft 3. The bevel parts of the two first bevel gears 31 are placed facing each other, so that the space inside the shell 1 can be fully utilized. When the reversing plate head 2 is adjusted, one of the first bevel gears 31 is meshed with one of the adjustment components 4 to drive the adjustment component 4 to move. The adjustment component 4 rotates to extend or retract the adjustable top screw 42.

[0021] Specifically, when the reversing plate head 2 is in the first position, that is, Figure 1 When the second connecting piece on the reversing plate head 2 is in the horizontal state, the adjusting component 4 above the main shaft 3 is meshed with the first bevel gear 31 on the right side of the main shaft 3, and the adjusting component 4 below the main shaft 3 is separated from the first bevel gear 31 on the left side of the main shaft 3, and the main shaft 3 rotates, thereby driving the adjusting component 4 above the main shaft 3 to move, and the adjusting component 4 then extends or retracts the top screw 42 into the shell 1; when the second connecting piece on the reversing plate head 2 is rotated to the horizontal position, the main shaft 3 is driven by the first bevel gear 31 on the left side of the main shaft 3, and the adjusting component 4 below the main shaft 3 is separated from the first bevel gear 31 on the right side of the main shaft 3, and the main shaft 3 rotates, thereby driving the adjusting component 4 below the main shaft 3 to move, and the adjusting component 4 then extends or retracts the top screw 42 into the shell 1.

[0022] To further optimize the solution, in order to facilitate the rotation and movement of the main shaft 3, two sets of first bearing seats 32 are provided on the shell 1, and thrust bearings are provided on the first bearing seats 32. Two sets of adjustment components 4 are arranged between the two sets of first bearing seats 32. The thrust bearings can facilitate the rotation of the main shaft 3 and allow the main shaft 3 to move along the axial direction.

[0023] To further optimize the solution, in order to facilitate the return of the main shaft 3, a spring 33 is provided on the main shaft 3, and the two ends of the spring 33 are against the inner wall of the shell 1 and the first bearing seat 32, that is, they are against the first bearing seat 32 provided on the left side of the shell 1, which makes the operation more flexible.

[0024] A further optimized solution is provided, in which the deviation adjustment component 4 includes a second bevel gear 41, a second rotating shaft 44, and a second support frame. The second bevel gear 41 is installed at one end of the second rotating shaft 44, the second rotating shaft 44 is installed on the second support frame, and the second support frame is installed in the shell 1. A first threaded hole is provided on the second rotating shaft 44, and the top screw 42 is installed in the first threaded hole. Due to the threaded connection between the first threaded hole and the top screw 42, the rotation of the second rotating shaft 44 drives the top screw 42 to move, thereby realizing the extension or retraction of the top screw 42 into the shell 1.

[0025] A further optimized solution is to facilitate the rotation of the second shaft 44 , a second bearing seat 43 is provided on the second support frame, a second bearing is mounted on the second bearing seat 43 , and the second shaft 44 is mounted on the second bearing to reduce the friction between the second shaft 44 and the second support frame.

[0026] According to a further optimized solution, the transmission ratio between the first bevel gear 31 and the second bevel gear 41 is 1:5.5, which facilitates the driving force of the top screw 42 .

[0027] A further optimized solution is to facilitate the fixing of the shell 1, with fasteners 11 for installation and fixing being provided on both sides of the shell 1. The fasteners 11 can be screws or studs, which reduces the use of welding fixation, facilitates adjustment and fixation, and simplifies the device.

[0028] To further optimize the solution, the reversing plate head 2 is set to a cube shape with a hollow space in the middle to facilitate connection with the eccentric assembly and the main shaft 3. Among the four side faces, two adjacent side faces are respectively provided with a first connecting member 22 and a second connecting member 23, and the first connecting member 22 and the second connecting member 23 are respectively used to connect with the driving device. In addition, a gap is set in the middle of the two adjacent side faces for the main shaft 3 to enter the hollow space, and the arc transition between the two side faces facilitates the adjustment of the direction of the reversing plate head 2.

[0029] The present application document also provides an oil pumping unit, comprising any of the above-mentioned donkey head centering control devices, wherein the top screw 42 can contact the inner side plates on both sides of the burner head to adjust the position of the burner head.

[0030] It should be noted that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," "clockwise," "counterclockwise," and the like used herein to indicate positions or positional relationships based on those shown in the accompanying drawings. These terms are intended only to facilitate the description of the present invention and to simplify the description, and are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] It should also be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed, detachable, or integral connections; mechanical or electrical connections; and direct or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of these terms in the present invention based on the specific circumstances.

[0032] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

[0033] It is understood that the same or similar parts in the above embodiments can be referenced to each other, and the content not described in detail in some embodiments can be referred to the same or similar content in other embodiments. The multiple solutions provided in this application include their own basic solutions, which are independent of each other and do not restrict each other. However, they can also be combined with each other without conflict to achieve multiple effects.

[0034] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A donkey head centering control device, characterized in that: The invention comprises a housing (1), a reversing plate head (2), a main shaft (3), and an adjustment assembly (4), wherein the main shaft (3) is rotatably mounted in the housing (1) and can move along the axial direction of the main shaft (3), wherein the first end of the main shaft (3) extends out of the housing (1), the reversing plate head (2) is mounted on the first end of the main shaft (3) through an eccentric assembly (21), and is used to connect with a driving device to drive the main shaft (3) to rotate, the adjustment assembly (4) is mounted on both sides of the main shaft (3), and the adjustment assembly (4) is staggered, and two first bevel gears (31) are provided on the main shaft (3), when the reversing plate head (2) is adjusted, one of the first bevel gears (31) is meshed with one of the adjustment assemblies (4) to drive the adjustment assembly (4) to move, and the adjustment assembly (4) rotates to extend or retract the adjustable top screw (42).

2. The donkey head centering control device according to claim 1, characterized in that: Two groups of first bearing seats (32) are provided on the housing (1), thrust bearings are provided on the first bearing seats (32), and two groups of the deviation adjustment components (4) are provided between the two groups of the first bearing seats (32).

3. The donkey head centering control device according to claim 2, characterized in that: A spring (33) is provided on the main shaft (3), and two ends of the spring (33) abut against the inner wall of the housing (1) and the bearing seat.

4. The donkey head centering control device according to claim 1, characterized in that: The deviation adjustment component (4) includes a second umbrella-shaped gear (41), a second rotating shaft (44), and a second support frame. The second umbrella-shaped gear (41) is mounted on one end of the second rotating shaft (44). The second rotating shaft (44) is mounted on the second support frame. A first threaded hole is provided on the second rotating shaft (44), and the top screw (42) is mounted in the first threaded hole.

5. The donkey head centering control device according to claim 4, characterized in that: A second bearing seat (43) is provided on the second support frame, a second bearing is mounted on the second bearing seat (43), and the second rotating shaft (44) is mounted on the second bearing.

6. The donkey head centering control device according to claim 4, characterized in that: The transmission ratio between the first bevel gear (31) and the second bevel gear (41) is 1:5.

5.

7. The donkey head centering control device according to claim 1, characterized in that: Fasteners (11) for installation and fixing are provided on both sides of the housing (1).

8. The donkey head centering control device according to claim 1, characterized in that: The reversing plate head (2) is arranged in a cube shape with a hollow space in the middle. Among the four side surfaces, two adjacent side surfaces are respectively provided with a first connecting member (22) and a second connecting member (23). In addition, a gap is provided between two adjacent side surfaces for the main shaft 3 to enter the hollow space, and a circular arc transition is formed between the two side surfaces.

9. A pumping unit, characterized in that: It comprises the donkey head centering control device according to any one of claims 1 to 8, wherein the top screw (42) can contact the inner side plates on both sides of the burner head to adjust the position of the burner head.

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