Device for adjusting position of motor of oil pumping unit and oil pumping unit

Abstract

The utility model discloses a device for adjusting the position of a motor of an oil pumping unit and the oil pumping unit. The device comprises a movable seat, a fixed seat and a driving shaft, and the driving shaft is provided with a first threaded part, a locking part and a rotary connecting part; the movable seat is connected with the first threaded part, the fixed seat is rotationally connected with the rotary connecting part, the fixed seat and the locking part are partially overlapped, and an adjustable locking mechanism is arranged between the fixed seat and the locking part. The adjustable locking mechanism can solve the problem that the belt of the plateau machine is time-consuming and labor-consuming to replace, is good in locking effect, and can lock the driving shaft and prevent the motor from vibrating.

Description

TECHNICAL FIELD

[0001] The utility model relates to pumping unit technical field, concretely is a device for pumping unit motor position adjustment and pumping unit. BACKGROUND

[0002] The pumping unit widely used in oil field is beam pumping unit and plateau pumping unit, both of which are powered by motor, and the top screw is usually used for adjustment during the replacement of motor belt operation, the motor top screw currently used has many defects in design, on the one hand, the motor guide rail of beam pumping unit is different from the motor guide rail of plateau pumping unit in model, leading to the non-universality of the top screw of both pumping units.

[0003] In oil field production operation, the motor slide rail of plateau pumping unit has no baffle and uses single screw to adjust the top screw, due to long-term exposure to harsh outdoor environment, the screw thread is often scratched, rusted, deformed and bent, the adjustment distance is not enough, causing time-consuming and labor-consuming in the process of top screw adjustment, not only increasing the labor intensity of employees but also forming safety hazards, at the same time, increasing the downtime of pumping unit and causing the decline of production and affecting normal production, so it is necessary to improve the device.

[0004] Publication No.: CN201781362U discloses a new type of quick top screw of motor, which is applied to position adjustment of motor of oil field pumping unit. There are screw holes perpendicular to the upper end face of the I-shaped steel at both ends of the upper end plate of the I-shaped steel, and there are screws in the screw holes, the screws pass through the upper end plate of the I-shaped steel, and nuts are connected to the screws, the nuts are on the upper end face of the I-shaped steel, and the nuts play a role in fixing the screws and preventing loosening. There is a top screw in the screw hole of the upper end plate of the I-shaped steel.

[0005] The prior art is prone to top screw failure or motor deviation when two fixed screws slide during the adjustment of motor belt under heavy load, and the repeated operation can damage the threads of the screws, and the downtime is long, which seriously affects the oil production rate of oil well.

[0006] Publication No.: CN208353137U discloses a universal quick top screw of pumping unit, which solves the technical problems of unsuitable adjustment position caused by the cooperation of baffle and top screw and the easy deviation of the front end of the top screw during the tightening of the belt.

[0007] During the loosening of the motor forward movement and the tightening of the motor backward movement, the operator needs to change the operation position, and due to the limited operation space, accidents such as scratches and falls are easy to occur.

[0008] Publication No. CN113847286B discloses an intelligent adjusting belt device, which adopts a hydraulic method to intelligently and automatically adjust the tightness of the belt, and is driven by a main motor to drive a driving wheel to drive the belt; a pressure sensor is located on the hydraulic cylinder to monitor the pressure of the hydraulic cylinder and transmit the monitored pressure value to an external controller; the controller adjusts the pressure of the automatic hydraulic station according to the received pressure value to drive the hydraulic cylinder to move, thereby realizing intelligent and automatic adjustment of the belt; and the belt can be automatically adjusted according to the monitored pressure value when the belt is in a tight state invisible to the naked eye.

[0009] The prior art uses a hydraulic device for front and rear adjustment, and the structure of the hydraulic device is complex, the damage rate is high, and the manufacturing cost is too high, so it is not easy to popularize and use.

[0010] Publication No. CN206117401U discloses a pumping unit motor fast moving device, a pumping unit motor is connected to the motor guide rail, the two motor guide rails are connected through a double-end bolt, a long positioning sleeve and a short positioning sleeve, the vertical surface of the two ends of the motor guide rail is processed into a smooth surface, the bottom surface of the two ends of the motor guide rail has a drag-reducing groove, a pressing plate is connected to the two ends of the motor guide rail through a bolt, a limiting angle steel is arranged on the pumping unit base at the two ends of the motor guide rail, a screw rod seat is fixed on the pumping unit base, a screw nut is connected to the screw rod seat, a screw rod is connected to the screw nut, and the inner end of the screw rod is connected to the motor guide rail.

[0011] In the adjustment process of the prior art, the screw rod moves forward and backward in the screw nut, so that the operator needs to follow the screw rod to move, which affects the operation efficiency.

[0012] Publication No. CN204835795U discloses a motor fixing device, which comprises a base, a horizontal adjustment mechanism for adjusting the horizontal movement of the motor is arranged on the base, the horizontal adjustment mechanism comprises a screw rod, the horizontal adjustment mechanism further comprises a movable sleeve screwing with the screw rod, an installation slot with an upward opening is arranged on the base, the movable sleeve screw is clamped in the installation slot and the movable sleeve screw can move radially relative to the installation slot during use.

[0013] The prior art uses a double-toothed screw rod, and the operator needs to follow the screw rod to move during the adjustment process, which affects the operation efficiency.

[0014] The utility model discloses a motor fixing device, including the base, the top movable mounting of base has motor body, the output shaft of motor body is fixedly installed with the belt pulley, and the both sides of motor body are all welded with the ear plate, and a plurality of ear plates are threadedly installed with same base, and the bottom of base is provided with the recess, and the top inner wall of recess is provided with the rectangular hole, and the base is movably installed in the rectangular hole, and the bottom of base is welded with the sliding plate, and the sliding plate is slidably installed on the top inner wall of recess, and the horizontal setting of screw rod is rotatably installed in the recess, and the screw rod is located below the sliding plate, and the outside of screw rod is threadedly installed with two support plates, and the top of support plate is welded with the bottom of sliding plate.

[0015] The prior art fixes the lead screw by locking the handle, and the setting position and structure of the locking mechanism are different from those of the utility model, and the locking effect is not as good as that of the utility model.

[0016] In summary, the technical solutions of the above disclosed technologies, the technical problems to be solved and the beneficial effects produced are all different from those of the utility model, and the above disclosed technology documents do not have technical inspiration for more technical features of the utility model, the technical problems to be solved and the beneficial effects. Utility model content

[0017] In view of the above defects in the prior art, the utility model aims at providing a device for adjusting the position of a pumping unit motor and a pumping unit.

[0018] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0019] On one hand, the utility model provides a device for adjusting the position of a pumping unit motor, which comprises a movable seat, a fixed seat and a driving shaft, wherein the driving shaft is provided with a first threaded part, a locking part and a rotating connecting part; the movable seat is connected with the first threaded part, the fixed seat is rotatably connected with the rotating connecting part, the fixed seat and the locking part have an overlapping part, and an adjustable locking mechanism is arranged between the fixed seat and the locking part.

[0020] Further, the first threaded part, the locking part and the rotating connecting part are sequentially arranged.

[0021] Specifically, the adjustable locking mechanism comprises a locking sleeve and a locking bolt.

[0022] Specifically, the locking sleeve is rotatably connected with the fixed seat, the locking sleeve is fixedly connected with the locking part, the outer wall of the locking sleeve is provided with a locking groove, the fixed seat is provided with a locking threaded hole, the locking threaded hole can correspond to the locking groove, the locking threaded hole is connected with the locking bolt, and the driving shaft is locked with the fixed seat when the locking bolt enters the locking groove.

[0023] Further, the fixing base comprises a second collar, an outer wall of the second collar is provided with a second connecting seat, the second collar is provided with a through shaft hole, and the locking sleeve is located in the through shaft hole;

[0024] Specifically, a counterbore is arranged at one end of the through shaft hole away from the movable seat, a bearing is arranged in the counterbore, and the rotating connecting portion of the driving shaft is matched with an inner hole of the bearing.

[0025] Specifically, the second connecting seat is provided with a second connecting hole.

[0026] Further, a bearing fixing sleeve is further included.

[0027] Specifically, the driving shaft is sequentially provided with a second threaded portion and a clamping handle after the rotating connecting portion.

[0028] Specifically, the inner wall of the bearing fixing sleeve is connected with the second threaded portion of the driving shaft, and one end of the bearing fixing sleeve is in contact with the bearing close to the second threaded portion.

[0029] Further, the second threaded portion of the driving shaft is provided with a first limiting nut and a second limiting nut, the first limiting nut is in contact with the bearing fixing sleeve, the first limiting nut and the second limiting nut are tightened in opposition, and the first limiting nut is used to limit the bearing fixing sleeve.

[0030] Specifically, an outer diameter of the positioning ring is greater than an inner diameter of the through shaft hole, the positioning ring is integrally arranged with the driving shaft, and the positioning ring is used to position the fixing base and the locking sleeve.

[0031] Further, the locking groove is provided with at least two and is uniformly distributed along the outer wall of the locking sleeve in a circumferential direction.

[0032] Further, the bearing is provided with two and is installed back to back.

[0033] Further, the clamping handle is a square joint.

[0034] Further, the movable seat comprises a first collar, an outer wall of the first collar is provided with a first connecting seat, the first collar is provided with a driving shaft threaded hole, and the driving shaft threaded hole is connected with the first threaded portion.

[0035] Specifically, the first connecting seat is provided with a first connecting hole.

[0036] In the second aspect, the utility model provides a pumping unit, and the device for adjusting the position of the motor of the pumping unit is used.

[0037] Compared with the prior art, the utility model has the following beneficial effects:

[0038] 1. The utility model discloses a device for adjusting the position of the motor of a pumping unit, which can solve the problem of time-consuming and laborious replacement of belts on plateau machines, has a reasonable structure, reliable principle and convenient and fast use, reduces the replacement time of belts from 35 minutes in traditional operation to 8 minutes, improves work efficiency, reduces the labor intensity of operators, reduces the well shutdown time, improves the oil production rate of oil wells, avoids sand sticking accidents caused by long-time well shutdown of oil wells, reduces operation cost, and has remarkable economic and social benefits.

[0039] 2. The adjustable locking mechanism has good locking effect and can lock the driving shaft to prevent motor vibration.

[0040] 3. The utility model discloses two bearings are used for rotary connection, and are arranged back to back, can bear axial force in two directions, are suitable for long shafts or shafts with certain deflection, are stable in work, and the ball bearing has small friction,

[0041] 4. The utility model discloses convenient installation, does not need to use fire operation, and adopts mechanical connection and fixation.

[0042] 5. The utility model discloses operation without replacing the work station, does not need to follow the screw rod to move, has high safety, low manufacturing cost, easy layout, easy installation, and easy popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0043] Figure 1 is a structural schematic view of the device for adjusting the position of the motor of a pumping unit of the utility model;

[0044] Figure 2 is a structural schematic view of the movable seat in the utility model;

[0045] Figure 3 is a structural schematic view of the fixed seat in the utility model;

[0046] Figure 4 is a structural schematic view of the bearing fixing sleeve in the utility model;

[0047] Figure 5 is a structural schematic view of the locking sleeve in the utility model;

[0048] Figure 6 is a structural schematic view of the bearing in the utility model.

[0049] In the figure: 1, movable seat; 1-1, first connecting hole; 1-2, driving shaft threaded hole; 2, fixed seat; 2-1, second connecting hole; 2-2, counterbore; 2-3, locking bolt; 2-4, through shaft hole; 3, bearing fixing sleeve; 3-1, first connecting thread; 4, locking sleeve; 4-1, second connecting thread; 4-2, locking groove; 5, bearing; 6-1, first threaded part; 6-2, locking part; 6-3, rotating connecting part; 6-4, second threaded part; 6-5, clamping handle; 7-1, first limiting nut; 7-2, second limiting nut. DETAILED DESCRIPTION

[0050] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0051] Embodiment 1

[0052] Please refer to Figures 1 to 6 The utility model provides a kind of device for pumping unit motor position adjustment, including movable seat 1, fixed seat 2, driving shaft 6.

[0053] The driving shaft 6 is sequentially provided with first threaded part 6-1, locking part 6-2, rotating connecting part 6-3, second threaded part 6-4 and clamping handle 6-5.

[0054] The movable seat 1 is threadedly connected with the first threaded part 6-1 of the driving shaft 6, and the movable seat 1 is used to be connected with the motor base provided on the slide rail in the pumping unit.

[0055] Specifically, the movable seat 1 includes a first collar, the outer wall of the first collar is provided with a first connecting seat, the first collar is provided with a driving shaft threaded hole 1-2, the driving shaft threaded hole 1-2 is connected with the first threaded part 6-1, the first connecting seat is provided with two first connecting holes 1-1, the first connecting hole 1-1 is used to be connected with the motor base on the slide rail, and the axis of the first connecting hole 1-1 is perpendicular to the axis of the driving shaft threaded hole 1-2.

[0056] The fixed seat 2 is rotationally connected with the rotating connecting part 6-3 of the driving shaft 6, the fixed seat 2 has an overlapping part with the locking part 6-2 of the driving shaft 6, an adjustable locking mechanism is arranged between the fixed seat 2 and the locking part 6-2, and the fixed seat 2 is used to be connected with the fixed I-beam in the pumping unit.

[0057] Specifically, the fixed seat 2 comprises a second sleeve, the outer wall of the second sleeve is provided with a second connecting seat, the second sleeve is provided with a through shaft hole 2-4, the through shaft hole is provided with a counterbore 2-2 away from the movable seat 1, the counterbore 2-2 is provided with a bearing 5, the rotating connection part 6-3 of the driving shaft 6 is matched with the inner hole of the bearing 5, the second connecting seat is provided with two, the second connecting seat is provided with a second connecting hole 2-1, the second connecting hole 2-1 is used for connecting the I-shaped steel, the axis of the through shaft hole 2-4 is perpendicular to the axis of the second connecting hole 2-1.

[0058] Further, it also comprises a bearing fixing sleeve 3, the inner wall of the bearing fixing sleeve 3 is provided with a first connecting thread 3-1, the inner wall of the bearing fixing sleeve 3 is connected with the second threaded part 6-4 of the driving shaft 6, the bearing fixing sleeve 3 contacts with the end of the bearing 5 close to the second threaded part 6-4.

[0059] Further, the adjustable locking mechanism comprises a locking sleeve 4 and a locking bolt 2-3, the locking sleeve 4 is located in the through shaft hole 2-4, the inner wall of the locking sleeve 4 is provided with a second connecting thread 4-1, the outer wall of the locking part 6-2 of the driving shaft 6 is provided with a positioning ring, the third connecting thread is arranged between the positioning ring and the rotating connection part 6-3, the second connecting thread 4-1 is connected with the third connecting thread, the outer wall of the locking sleeve 4 is provided with a locking groove 4-2, the second sleeve of the fixed seat 2 is provided with a locking thread hole penetrating to the through shaft hole, the locking thread hole can correspond to the locking groove 4-2, the locking thread hole is threadedly connected with the locking bolt 2-3, by screwing in the locking bolt 2-3, the locking bolt 2-3 enters the locking groove 4-2 to be locked.

[0060] Specifically, the locking groove 4-2 is provided with at least two and is uniformly distributed along the outer wall of the locking sleeve 4.

[0061] Specifically, the locking sleeve 4 is clearance fit with the through shaft hole 2-4, so as to reduce the resistance.

[0062] Specifically, the second threaded part 6-4 of the driving shaft 6 is provided with a first limiting nut 7-1 and a second limiting nut 7-2, the first limiting nut 7-1 contacts with the bearing fixing sleeve 3, the first limiting nut 7-1 and the second limiting nut 7-2 are tightened in opposition, the outer diameter of the positioning ring is greater than the inner diameter of the through shaft hole 2-4, the positioning ring is integrally arranged with the driving shaft 6, the positioning ring, the first limiting nut 7-1 and the second limiting nut 7-2 realize the limiting and anti-loosening of the fixed seat 2, the bearing 5 and the bearing fixing sleeve 3.

[0063] Specifically, the bearing 5 is provided with two and is installed back to back, which can bear axial force.

[0064] Preferably, the two bearings 5 are both thrust ball bearings, which are arranged in the counterbore 2-2 by bearing races.

[0065] Specifically, the clamping handle 6-5 is a four-square joint for connecting with the electric wrench, when the electric wrench rotates forward, the driving shaft 6 drives the movable seat 6 to move forward, and when the electric wrench rotates reversely, the movable seat 6 moves backward, thereby adjusting the position of the motor, and after adjustment, the locking bolt 2-3 is screwed into the locking thread hole of the fixed seat 2, the end of the locking bolt 2-3 enters the locking groove 4-2 to tighten the locking sleeve 4, thereby preventing the motor from vibrating.

[0066] Embodiment 2

[0067] Based on the embodiment 1, the embodiment provides a mounting method of the device for adjusting the position of the motor of the pumping unit, which comprises the following steps:

[0068] S1, stop the machine by pressing the stop button with insulated gloves, pull the switch to cut off the power, and tighten the brake, and then loosen the motor slide rail fixing screw.

[0069] S2, according to the first connecting hole 1-1 on the movable seat 1, drill a hole on the motor base on the slide rail, and then fix and connect the movable seat 1 and the motor base by bolts and nuts.

[0070] S3, screw the first threaded part 6-1 of the driving shaft 6 into the movable seat 1, then put the fixed seat 2 on the rotating connecting part 6-3, determine the position of the fixed seat 2 according to the position of the motor, remove the fixed seat 2, and then drill a hole on the fixed I-beam.

[0071] S4, after drilling the hole, first connect the locking sleeve 4 and the locking part 6-2, then put the fixed seat 2 into the rotating connecting part, install the bearing 5, fix and connect the movable seat 2 and the fixed I-beam by bolts and nuts, screw the bearing fixing sleeve 3, the first limiting nut 7-1 and the second limiting nut 7-2 into the second threaded part 6-4, and then tighten the first limiting nut 7-1 and the second limiting nut 7-2 by two wrenches.

[0072] S5, connect the electric wrench with the clamping handle 6-5, when the electric wrench rotates forward, the driving shaft 6 drives the movable seat 6 to move forward, and when the electric wrench rotates reversely, the movable seat 6 moves backward, thereby adjusting the position of the motor, and after adjustment, the locking bolt 2-3 is screwed into the locking thread hole of the fixed seat 2, the end of the locking bolt 2-3 enters the locking groove 4-2 to tighten the locking sleeve 4, thereby preventing the motor from vibrating.

[0073] S6, after the installation and adjustment are completed, tighten the motor fixing screw, and then open the well according to the standardized operation after loosening the brake.

[0074] In the present application, the parts themselves that are not discussed in detail, and the connection methods of the parts in the present application all belong to the known technology in the technical field, which can be directly applied without further description.

[0075] In the present application, the term "a plurality of" refers to two or more, unless otherwise expressly specified. The terms "mounting", "connected", "connecting", "fixed", and the like should be understood broadly, for example, "connected" can be fixed connection, can also be detachable connection, or integrally connected; "connected" can be directly connected, can also be indirectly connected through an intermediate medium. 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.

[0076] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or units referred to must have a particular direction, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation of the present application.

[0077] In the description of the present application, the terms "one embodiment", "some embodiments", "a specific embodiment" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0078] The above is only the preferred embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A device for position adjustment of a pumping unit motor, comprising a movable seat, a fixed seat, a drive shaft, characterized in that, The driving shaft is provided with a first threaded part, a locking part and a rotating connecting part; The movable seat is connected with the first threaded part, the fixed seat is rotatingly connected with the rotating connecting part, the fixed seat has an overlapping part with the locking part, and an adjustable locking mechanism is arranged between the fixed seat and the locking part.

2. A device for position adjustment of a pumping unit motor according to claim 1, characterized in that, The first threaded part, the locking part and the rotating connecting part are sequentially arranged; The adjustable locking mechanism comprises a locking sleeve and a locking bolt; The locking sleeve is rotatingly connected with the fixed seat, the locking sleeve is fixedly connected with the locking part, an outer wall of the locking sleeve is provided with a locking groove, the fixed seat is provided with a locking threaded hole, the locking threaded hole can correspond to the locking groove, the locking threaded hole is connected with the locking bolt, and the driving shaft is locked with the fixed seat when the locking bolt enters the locking groove.

3. A device for position adjustment of a pumping unit motor according to claim 2, characterized in that, The fixed seat comprises a second sleeve ring, an outer wall of the second sleeve ring is provided with a second connecting seat, and the second sleeve ring is provided with a through shaft hole; An end of the through shaft hole away from the movable seat is provided with a counterbore, a bearing is arranged in the counterbore, and the rotating connecting part of the driving shaft is matched with an inner hole of the bearing; The second connecting seat is provided with a second connecting hole.

4. A device for position adjustment of a pumping unit motor according to claim 3, characterized in that, A bearing fixing sleeve is further included; The driving shaft is sequentially provided with a second threaded part and a clamping handle after the rotating connecting part; An inner wall of the bearing fixing sleeve is connected with the second threaded part of the driving shaft, and an end of the bearing fixing sleeve close to the second threaded part is in contact with the bearing.

5. A device for position adjustment of a pumping unit motor according to claim 4, characterized in that, The second threaded part of the driving shaft is provided with a first limiting nut and a second limiting nut, the first limiting nut is in contact with the bearing fixing sleeve, the first limiting nut and the second limiting nut are tightened in opposition, and the first limiting nut is used to limit the bearing fixing sleeve; An outer wall of the locking part is provided with a positioning ring, an outer diameter of the positioning ring is greater than an inner diameter of the through shaft hole, the positioning ring is integrally arranged with the driving shaft, and the positioning ring is used to position the fixed seat and the locking sleeve.

6. A device for position adjustment of pumping unit motor according to claim 2, characterized in that, The locking groove is provided with at least two and is uniformly distributed along the outer wall of the locking sleeve.

7. A device for position adjustment of a pumping unit motor according to claim 3, characterized in that, The bearing is provided with two and is installed back to back.

8. A device for position adjustment of a pumping unit motor according to claim 4, characterized in that, The clamping handle is a square joint.

9. A device for position adjustment of a pumping unit motor according to any one of claims 1-8, characterized in that, The movable seat comprises a first sleeve ring, an outer wall of the first sleeve ring is provided with a first connecting seat, and the first sleeve ring is provided with a driving shaft threaded hole connected with the first threaded part; The first connecting seat is provided with a first connecting hole.

10. A pumping unit characterized by, A device for adjusting the position of an oil pumping machine motor is included.

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