Adjusting device for oil pumping unit

Abstract

The utility model relates to the technical field of oil pumping units, in particular to an adjusting device for an oil pumping unit, which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a supporting column, the upper end of the supporting column is provided with an arc-shaped groove, and the inner side wall of the arc-shaped groove is rotatably connected with a rotating shaft through a bearing. A first motor drives a main gear to rotate, a driven gear meshed with the main gear drives a lead screw to rotate, the lead screw drives a nut seat and a mounting plate to move, the mounting plate drives a second motor and a rotating disc to move, and when the rotating disc is close to a rotating shaft, a walking beam can be driven by a transmission rod and a transmission groove to swing in a large range; when the rotating disc is far away from the rotating shaft, the walking beam can be driven to swing in a small range through the transmission rod and the transmission groove, the stroke length of the horse head is influenced through swinging of the walking beam, flexibility is high, the stroke of the pumping unit can be adjusted according to the underground state, use is convenient, adverse effects caused by too long or too short stroke are eliminated, and the service life of the pumping unit is prolonged. And the practicability is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to pumping unit technical field, concretely is adjusting device for pumping unit. BACKGROUND

[0002] Pumping unit, it is a kind of machine equipment for exploiting petroleum, it provides power through electric motor, internal combustion engine etc.

[0003] The driving mechanism of some pumping units on the market is poor in flexibility currently, cannot adjust pumping unit stroke according to downhole state, it is more inconvenient to use, and if stroke is too long, it will cause insufficient load of main shaft, influence drilling speed, conversely if stroke is too short, it will cause excessive load of main shaft, possibly damage equipment, for this, adjusting device for pumping unit is proposed. UTILITY MODEL CONTENTS

[0004] The utility model is provided with adjusting device for pumping unit to solve the problems in the above background.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: adjusting device for pumping unit, including bottom plate, the upper surface of the bottom plate is fixedly connected with support column, the upper end of the support column is equipped with arc slot, the inner side wall of the arc slot is rotatably connected with the shaft through bearing, the outer side wall of the shaft is fixedly connected with beam, the front surface of the beam is fixedly connected with horse head, the rear surface of the support column is fixedly connected with mounting bracket, the upper surface of the mounting bracket is fixedly connected with connecting frame, the lower surface of the connecting frame is fixedly installed with first motor, the output shaft end of the first motor is fixedly connected with main gear, the inner side wall of the connecting frame is rotatably connected with lead screw through bearing, the rear end of the lead screw is fixedly connected with driven gear and is connected with the connecting frame, the main gear is meshed with the driven gear, the outer side wall of the lead screw is fixedly connected with nut seat, the upper surface of the nut seat is fixedly connected with mounting plate, the upper surface of the mounting plate is fixedly installed with second motor, the output shaft end of the second motor is fixedly connected with rotary disc, the right surface of the rotary disc is fixedly connected with transmission rod, the outer side wall of the beam is equipped with transmission groove, the transmission rod is slidably connected with the transmission groove.

[0006] As a further preferred embodiment of the present technical solution: the inner side wall of the connecting frame is fixedly connected with two slide rods, the slide rods are slidably connected with the nut seat.

[0007] As a further preferred embodiment of the present technical solution: the right surface of the transmission rod is fixedly connected with limit plate.

[0008] As a further preferred of the technical solution: the front surface of the support column is fixedly connected with a guide column, the lower surface of the beam is fixedly connected with a guide rod, and the outer side wall of the guide rod is slidably connected with the inner side wall of the guide column.

[0009] As a further preferred of the technical solution: the front end of the donkey head is provided with a rope suspender.

[0010] As a further preferred of the technical solution: the outer side wall of the bottom plate is welded with a connecting plate.

[0011] As a further preferred of the technical solution: the upper surface of the connecting plate is provided with a connecting hole.

[0012] As a further preferred of the technical solution: the upper surface of the bottom plate is fixedly connected with a counterweight.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a first motor drives main gear rotation, and the pinion that engages with main gear drives the rotation of lead screw, and lead screw drives nut seat and mounting plate to remove, and mounting plate drives second motor and rotary disc to remove, when the position of rotary disc and rotating shaft is closer, can drive beam to swing in larger range through transmission rod and transmission groove, when the position of rotary disc and rotating shaft is farther, can drive beam to swing in smaller range through transmission rod and transmission groove, and through the swing of beam, the stroke of donkey head is influenced, and the flexibility is stronger, can adjust the stroke of pumping unit according to the downhole state, is more convenient to use, eliminates the adverse effect that brings of stroke is too long or too short, and the practicality is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is main view structural schematic diagram of the utility model;

[0016] Figure 2 It is the structural schematic diagram of beam in the utility model;

[0017] Figure 3 It is the structural schematic diagram of rotary disc in the utility model;

[0018] Figure 4 It is the structural schematic diagram of second motor in the utility model.

[0019] In the figure: 1, base plate; 2, support column; 3, arc-shaped slot; 4, rotating shaft; 5, walking beam; 6, horse head; 7, mounting frame; 8, connecting frame; 9, first motor; 10, main gear; 11, screw rod; 12, from gear; 13, nut seat; 14, mounting plate; 15, second motor; 16, rotating disc; 17, transmission rod; 18, transmission slot; 19, sliding rod; 20, limiting plate; 21, guide column; 22, guide rod; 23, connecting plate; 24, connecting hole; 25, counterweight. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. The examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0021] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Please refer to all the drawings of the specification, the utility model provides technical scheme: adjusting device for pumping unit, including bottom plate 1, the upper surface of bottom plate 1 is fixedly connected with support column 2, the upper end of support column 2 is provided with arc slot 3, the inner side wall of arc slot 3 is rotatably connected with shaft 4 through bearing, the outer side wall of shaft 4 is fixedly connected with beam 5, the front surface of beam 5 is fixedly connected with horse head 6, the rear surface of support column 2 is fixedly connected with mounting bracket 7, the upper surface of mounting bracket 7 is fixedly connected with connecting frame 8, the lower surface of connecting frame 8 is fixedly installed with first motor 9, the output shaft end of first motor 9 is fixedly connected with main gear 10, the inner side wall of connecting frame 8 is rotatably connected with lead screw 11 through bearing, the rear end of lead screw 11 penetrates connecting frame 8 and is fixedly connected with from gear 12, main gear 10 and from gear 12 are meshingly connected, the outer side wall of lead screw 11 is threadedly connected with nut seat 13, the upper surface of nut seat 13 is fixedly connected with mounting plate 14, the upper surface of mounting plate 14 is fixedly installed with second motor 15, the output shaft end of second motor 15 is fixedly connected with rotary disc 16, the right surface of rotary disc 16 is fixedly connected with transmission rod 17, the outer side wall of beam 5 is provided with transmission slot 18, transmission rod 17 and transmission slot 18 are slidably connected;Second motor 15 drives rotary disc 16 to rotate, transmission rod 17 does not locate the center of rotary disc 16, so transmission rod 17 makes circular motion along the center of rotary disc 16, and beam 5 is driven to swing back and forth around shaft 4 by transmission slot 18, beam 5 drives horse head 6 to swing up and down to carry out the work of pumping oil, when the stroke of horse head 6 needs to be adjusted, first motor 9 drives main gear 10 to rotate, from gear 12 meshingly connected with main gear 10 drives lead screw 11 to rotate, lead screw 11 drives nut seat 13 and mounting plate 14 to move, mounting plate 14 drives second motor 15 and rotary disc 16 to move, when rotary disc 16 is close to shaft 4, due to lever principle, when rotary disc 16 rotates, beam 5 can be driven to swing in a larger range by transmission rod 17 and transmission slot 18, and similarly, when rotary disc 16 is far from shaft 4, beam 5 can be driven to swing in a smaller range by transmission rod 17 and transmission slot 18, and the stroke length of horse head 6 is influenced by the swing of beam 5.

[0023] In the embodiment, specifically: the inner side wall of connecting frame 8 is fixedly connected with two sliding rods 19, and the sliding rod 19 is slidably connected with the nut seat 13;Make the nut seat 13 move along the direction of sliding rod 19.

[0024] In the embodiment, specifically: the right surface of transmission rod 17 is fixedly connected with limit plate 20;Prevent transmission rod 17 from separating from transmission slot 18.

[0025] In this embodiment, specifically: the front surface of the support column 2 is fixedly connected with a guide column 21, the lower surface of the beam 5 is fixedly connected with a guide rod 22, and the outer side wall of the guide rod 22 is slidably connected with the inner side wall of the guide column 21; thereby conveniently limiting the beam 5.

[0026] In this embodiment, specifically: the front end of the horse head 6 is provided with a rope suspender; thereby conveniently connecting with the oil pumping device.

[0027] In this embodiment, specifically: the outer side wall of the bottom plate 1 is welded with a connecting plate 23; thereby conveniently connecting with the ground.

[0028] In this embodiment, specifically: the upper surface of the connecting plate 23 is provided with a connecting hole 24; thereby being used in cooperation with a bolt.

[0029] In this embodiment, specifically: the upper surface of the bottom plate 1 is fixedly connected with a counterweight 25.

[0030] The working principle of the utility model is: the second motor 15 drives the rotating disc 16 to rotate, the transmission rod 17 is not located at the center of the rotating disc 16, so the transmission rod 17 makes a circular motion along the center of the rotating disc 16, and drives the beam 5 to swing back and forth around the rotating shaft 4 through the transmission groove 18, the beam 5 drives the horse head 6 to swing up and down to carry out the work of pumping oil, when it is needed to adjust the stroke of the horse head 6, the first motor 9 drives the main gear 10 to rotate, the from gear 12 engaged with the main gear 10 drives the lead screw 11 to rotate, the lead screw 11 drives the nut seat 13 and the mounting plate 14 to move, the mounting plate 14 drives the second motor 15 and the rotating disc 16 to move, when the rotating disc 16 is close to the position of the rotating shaft 4, due to the principle of lever, when the rotating disc 16 rotates, the beam 5 can be driven to swing in a larger range through the transmission rod 17 and the transmission groove 18, and the same reason, when the rotating disc 16 is far away from the position of the rotating shaft 4, the beam 5 can be driven to swing in a smaller range through the transmission rod 17 and the transmission groove 18, and the length of the stroke of the horse head 6 is affected by the swing of the beam 5, thereby constituting the adjusting device for pumping unit, the flexibility is stronger, the stroke of the pumping unit can be adjusted according to the downhole state, it is more convenient to use, the adverse effects caused by the stroke being too long or too short are eliminated, and the practicality is stronger.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. Regulating device for pumping units, comprising a base plate (1), characterised in that: The upper surface of the bottom plate (1) is fixedly connected with a support column (2), an arc-shaped slot (3) is arranged at the upper end of the support column (2), the inner side wall of the arc-shaped slot (3) is rotatably connected with a rotating shaft (4) through a bearing, the outer side wall of the rotating shaft (4) is fixedly connected with a walking beam (5), the front surface of the walking beam (5) is fixedly connected with a horse head (6), the rear surface of the support column (2) is fixedly connected with a mounting rack (7), the upper surface of the mounting rack (7) is fixedly connected with a connecting rack (8), the lower surface of the connecting rack (8) is fixedly connected with a first motor (9), the output shaft end of the first motor (9) is fixedly connected with a main gear (10), the inner side wall of the connecting rack (8) is rotatably connected with a lead screw (11) through a bearing, the rear end of the lead screw (11) penetrates through the connecting rack (8) and is fixedly connected with a driven gear (12), the main gear (10) and the driven gear (12) are in meshing connection, the outer side wall of the lead screw (11) is threadedly connected with a nut seat (13), the upper surface of the nut seat (13) is fixedly connected with a mounting plate (14), the upper surface of the mounting plate (14) is fixedly connected with a second motor (15), the output shaft end of the second motor (15) is fixedly connected with a rotating disc (16), the right surface of the rotating disc (16) is fixedly connected with a transmission rod (17), the outer side wall of the walking beam (5) is provided with a transmission slot (18), and the transmission rod (17) and the transmission slot (18) are in sliding connection.

2. The adjustment device for a pumping unit according to claim 1, characterized in that: The inner side wall of the connecting rack (8) is fixedly connected with two sliding rods (19), and the sliding rods (19) and the nut seat (13) are in sliding connection.

3. The adjustment device for a pumping unit according to claim 2, characterized in that: The right surface of the transmission rod (17) is fixedly connected with a limiting plate (20).

4. The adjustment device for a pumping unit according to claim 2, characterized in that: The front surface of the support column (2) is fixedly connected with a guide column (21), the lower surface of the walking beam (5) is fixedly connected with a guide rod (22), and the outer side wall of the guide rod (22) and the inner side wall of the guide column (21) are in sliding connection.

5. The adjustment device for a pumping unit according to claim 2, characterized in that: The front end of the horse head (6) is provided with a rope suspender.

6. The adjustment device for a pumping unit according to claim 2, characterized in that: The outer side wall of the bottom plate (1) is welded with a connecting plate (23).

7. The adjustment device for a pumping unit according to claim 6, characterized in that: The upper surface of the connecting plate (23) is provided with a connecting hole (24).

8. The adjustment device for a pumping unit according to claim 6, characterized in that: The upper surface of the bottom plate (1) is fixedly connected with a counterweight (25).

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