CN217096545U - Deviation adjusting device for oil pumping unit - Google Patents

Abstract

An offset adjusting device for an oil pumping unit belongs to the technical field of oil pumping equipment. The driving mechanisms are arranged in two sets, the composite roller bearing on the upper part of the fixed base is fixedly connected with the movable support, the hydraulic driving jack is positioned between the fixed base and the movable support, and the hydraulic driving jack is connected with the portable hydraulic pump through a high-pressure rubber pipe; the front side and the rear side of the side plates at the two sides of the moving mechanism are connected through cross braces, the middle part is a vertical plate, a top plate is arranged above the vertical plate, a roller shaft and a roller are arranged below the vertical plate, the lifting mechanism is a hydraulic vertical jack, a left outer hook, a left connecting rod, an adjusting screw rod, a right connecting rod and a right outer hook are sequentially connected through threads, the left outer hook and the right outer hook are respectively hinged with the top of an inner hook through a hinge shaft and a hinge base, the bottom of the inner hook is fixedly connected with the top of the hydraulic vertical jack, a cushion block is arranged on the upper part of the inner hook, a bottom plate is arranged on the lower part of the hydraulic vertical jack, and a spring is arranged between the bottom of the hydraulic vertical jack and the inner hook. The utility model is used for beam-pumping unit is preceding, back, left and right and slope are adjusted.

Description

Deviation adjusting device for oil pumping unit

Technical Field

The utility model relates to a beam-pumping unit equipment technical field particularly is an offset device for beam-pumping unit.

Background

The beam-pumping unit is basically characterized by simple structure, easy manufacture, convenient use, especially, it can be operated in oil field for all weather, and is reliable in use. In the long-term production and operation process of the beam-pumping unit, the center of the horsehead of the beam-pumping unit and the center of a well mouth are easy to deviate due to factors such as heavy weight of the beam-pumping unit, irregular installation of workers, sinking of the base of the beam-pumping unit, deformation of the pipeline of the well mouth and the like, so that the position of the beam-pumping unit needs to be adjusted.

The following is compared with the prior patent technology through retrieval:

an apparatus for adjusting the offset of a pumping unit, application No. 201520821277.0, comprising: the triangular support is a triangular prism and is placed on the base; the jackscrew penetrates through the side face of the base and tightly jacks the triangular bracket; the square movable plate is placed on the triangular bracket; n through holes are symmetrically formed in the square movable plate, and the fixing pin penetrates through the through holes and is fixedly connected with the base; the stress ball seat comprises a solid semi-sphere and a hollow cylinder, and the solid semi-sphere and the hollow cylinder are designed integrally; the angular top seat is solid angle iron, the lower end of the angular top seat is cut into a circular groove, and the circular groove is matched with the solid semi-sphere of the stressed ball seat for use; however, the fixing pin in the device is easy to bend and break in the long-term use process, so that certain potential safety hazards exist.

Beam-pumping unit tuningout support, application number 201921006177.7 includes: the device comprises a supporting piece, a limiting piece, a slide way and two connecting pieces; the supporting piece is fixedly connected with the limiting piece, the supporting piece is configured to be detachably arranged on the upper surface of the slideway, and the supporting piece is suitable for moving along the slideway; the stop is configured to limit movement of the jack in a horizontal direction perpendicular to the slide; the two connecting pieces are arranged on the slide way and are suitable for being connected with a connecting groove on a chassis of the pumping unit, so that the slide way is detachably arranged on the chassis; however, the slideway of the device is easy to bend and break in the long-time use process, so that certain potential safety hazards exist.

The deviation adjusting device of the oil pumping unit, application number 201910762830.0, comprises a first bottom plate, a positioning bolt, a nut, a stress back plate, a support plate and a righting ring; the first bottom plate is provided with a first through hole; the positioning bolt penetrates through the first through hole from the lower part of the first bottom plate and is connected with the nut positioned above the first bottom plate; the stress backboard is arranged above the first bottom plate and is vertical to the first bottom plate; the supporting plate is arranged above the first bottom plate and is perpendicular to the first bottom plate, the plane where the supporting plate is located is intersected with the plane where the stressed back plate is located, a second through hole is formed in the supporting plate, and the distance between the circle center of the second through hole and the stressed back plate is larger than or equal to a first preset value; the righting ring comprises a circular ring and a first cylinder, the circular ring is connected with one end of the first cylinder, and the first cylinder penetrates through the second through hole and is movably connected with the second through hole; however, the device cannot conveniently adjust different angles of the chassis of the pumping unit.

SUMMERY OF THE UTILITY MODEL

The utility model aims at above-mentioned weak point, provide an accent inclined to one side device for beam-pumping unit. The utility model can adjust the front, back, left, right and inclination of the beam-pumping unit without a crane post worker; the center of the horse head is aligned with the center of the well head, so that the abrasion of the well head packing is reduced, the service life of the packing is prolonged, the oil leakage of the well head is prevented, the oil gas resource is saved, and the environmental pollution is prevented; the running condition of the beam-pumping unit is improved, the load of the beam-pumping unit is reduced, the electric energy is saved, and the service life of equipment is prolonged; the frequency of operation and maintenance of the beam pumping unit is reduced, the well stopping time is reduced, the production efficiency of the pumping unit is improved, and the oil well yield is increased.

The utility model aims at realizing through the following technical scheme:

the utility model discloses a: the lifting mechanism comprises a driving mechanism, a moving mechanism and a lifting mechanism; the method is characterized in that: the two sets of driving mechanisms are arranged, the upper part of the fixed base is provided with a composite roller bearing, the vertical central shaft of the composite roller bearing is fixedly connected with the movable support, the two hydraulic driving jacks are positioned between the fixed base and the movable support and are connected with the portable hydraulic pump through high-pressure rubber pipes; the front side and the back side of the side plates at the two sides of the moving mechanism are connected through cross braces, a vertical plate is arranged in the middle of the moving mechanism, a top plate is arranged on the vertical plate, and a lower roll shaft penetrates through the side plates at the two sides and the vertical plate to be in shaft-movable connection with the rollers; the hydraulic vertical jacks of the lifting mechanism are two, the left outer hook, the left connecting rod, the adjusting screw rod, the right connecting rod and the right outer hook are sequentially connected through threads, the left outer hook and the right outer hook are respectively hinged with the top of the inner hook through a hinge shaft and a hinge base, the bottom of the inner hook is fixedly connected with the top of the hydraulic vertical jack, the cushion block is arranged on the upper portion of the inner hook, the bottom plate is arranged on the lower portion of the hydraulic vertical jack, and a spring is arranged between the bottom of the hydraulic vertical jack and the inner hook.

Furthermore, the fixed base is L-shaped, the bottom of the fixed base is of a channel steel structure, the inner width of the fixed base is slightly larger than the edge width of the composite roller bearing, the movable support is in rolling contact with the inner walls of the upper surface and two sides of the fixed base through the composite roller bearing at the lower part, and inner ribbed plates are arranged on two sides of the right end of the fixed base.

Furthermore, the movable support is of a T-shaped structure, outer rib plates are arranged on two sides of the right end of the movable support, and 8-10 composite roller bearings are arranged on the lower portion of the movable support.

Furthermore, the number of the moving mechanisms is four, the side plates of the moving mechanisms are in a seesaw shape, 6-8 rollers are arranged inside the moving mechanisms, and bearings are arranged between the rollers and the roller shafts.

Furthermore, the left outer hook and the right outer hook are both L-shaped, the inner ends of the left outer hook and the right outer hook are respectively provided with an external thread matched with the left connecting rod and the right connecting rod, and a through hole of the hinge shaft is arranged near the threaded end.

Furthermore, the middle of the adjusting screw rod is provided with a hexagon, and both ends of the adjusting screw rod are respectively provided with a right thread and a left thread which are matched with the left connecting rod and the right connecting rod.

Furthermore, the inner hook is of a Z-shaped structure, a U-shaped hinged support is arranged on the top end of the inner hook and the axis of the hydraulic drive jack, and a through hole of the hinged shaft is formed in the hinged support.

Further, portable hydraulic pump is the rechargeable portable lithium cell hydraulic pressure electric pump of 18V, and it is equipped with the manometer to go out the oil pipe, and the export is equipped with the tee bend.

Compared with the prior art, the utility model following beneficial effect has:

1. the utility model has safe and convenient operation, can adjust the beam-pumping unit without crane post workers, and saves the crane cost;

2. the utility model can adjust the front, back, left, right and inclination of the beam-pumping unit, align the center of the horse head with the center of the well head, reduce the abrasion of the well head packing, prolong the service life of the packing, prevent the oil leakage of the well head, save oil and gas resources and prevent environmental pollution;

3. the utility model improves the operation condition of the beam pumping unit, reduces the load of the beam pumping unit, saves the electric energy and prolongs the service life of the equipment after the center of the horse head is adjusted to be aligned with the center of the well mouth;

4. the utility model discloses can reduce beam-pumping unit operation maintenance frequency, reduce the shut-in time, rate when improving beam-pumping unit production increases oil well output.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, and the same reference numerals will be used to designate the same components throughout the drawings, which are provided for the purpose of illustrating the preferred embodiments only and are not to be considered as limiting the present invention.

FIG. 1 is a schematic view of a partial sectional structure of a driving mechanism

FIG. 2 is a schematic view of the three-dimensional structure of the moving mechanism of the present invention

FIG. 3 is the application structure schematic diagram of the lifting mechanism and the moving mechanism of the present invention

FIG. 4 is the schematic view of the application structure of the driving mechanism of the present invention

In the figure: 1. a fixed base, 1-1. an inner ribbed plate; 2. a movable support, 2-1. an outer rib plate; 3. a composite roller bearing; 4. hydraulically driving the jack; 5. the device comprises a moving mechanism, a top plate 5-1, a vertical plate 5-2, a side plate 5-3, a roll shaft 5-4, a roller 5-5 and a cross brace 5-6; 6. a left outer hook; 7. cushion blocks; 8. a hinge shaft; 9. inner hook, 9-1. hinged support; 10. a hydraulic vertical jack; 11. a left connecting rod; 12. adjusting the screw rod; 13. a right connecting rod; 14. a spring; 15. a right outer hook; 16. a base plate; 17. a portable hydraulic pump, 17-1, a pressure gauge; 18. a high-pressure rubber hose; 19. a pumping unit base; 20. a pumping unit foundation.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the deviation adjusting device for a pumping unit, the specific implementation manner, structure, features and effects thereof provided by the present invention are provided with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, with the specific understanding that: both a and B may be included, a may be present alone, or B may be present alone, and any of the three cases can be provided.

The implementation of the present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 4, an offset adjusting device for an oil pumping unit includes: the driving mechanism, the moving mechanism 5 and the hoisting mechanism; the method is characterized in that: the two sets of driving mechanisms are arranged, the upper part of the fixed base 1 is provided with the composite roller bearing 3, the vertical central shaft of the composite roller bearing 3 is fixedly connected with the movable support 2, the two hydraulic driving jacks 4 are positioned between the fixed base 1 and the movable support 2, 30 tons of hydraulic jacks are selected, and the hydraulic driving jacks 4 are connected with the portable hydraulic pump 17 through the high-pressure rubber pipe 18; two side plates 5-3 at the two sides of the moving mechanism 5 are connected through cross braces 5-6 at the front and the back, a vertical plate 5-2 is arranged in the middle, a top plate 5-1 is arranged on the upper surface, and a lower roll shaft 5-4 penetrates through the side plates 5-3 at the two sides and the vertical plate 5-2 to be in shaft-movable connection with a roller 5-5; the hydraulic vertical jacks 10 of the lifting mechanism are two, a 30-ton hydraulic claw jack is selected, a left outer hook 6, a left connecting rod 11, an adjusting screw 12, a right connecting rod 13 and a right outer hook 15 are sequentially connected through threads, the left outer hook 6 and the right outer hook 15 are respectively hinged with the top of an inner hook 9 through a hinge shaft 8 and a hinge base 9-1, the bottom of the inner hook 9 is fixedly connected with the top of the hydraulic vertical jack 10, a cushion block 7 is arranged on the upper portion of the inner hook 9, a bottom plate 16 is arranged on the lower portion of the hydraulic vertical jack 10, and a spring 14 is arranged between the bottom of the hydraulic vertical jack 10 and the inner hook 9.

The arrangement of the composite roller bearing 3 in the driving mechanism is convenient for the movable support 2 to carry the oil pumping unit to move, and the rolling friction resistance is small; the plunger of the hydraulic vertical jack 10 is convenient to return by arranging the spring 14 between the bottom of the hydraulic vertical jack 10 and the inner hook 9.

Specifically, the fixed base 1 is in an L shape, the bottom of the fixed base is in a channel steel structure, the inner width of the fixed base is slightly larger than the edge width of the composite roller bearing 3, the movable support 2 is in rolling contact with the inner walls of the upper surface and two sides of the fixed base 1 through the composite roller bearing 3 at the lower part, and inner rib plates 1-1 are arranged on two sides of the right end of the fixed base 1.

The inner ribbed plates 1-1 are arranged on two sides of the right end of the fixed base 1, so that the strength of the fixed base 1 is improved, and meanwhile, the hydraulic drive jack 4 is righted.

Specifically, the movable support 2 is of a T-shaped structure, outer rib plates 2-1 are arranged on two sides of the right end of the movable support, and 8-10 composite roller bearings 3 are arranged on the lower portion of the movable support.

And the two sides of the right end of the movable support 2 are provided with the outer rib plates 2-1, so that the strength of the movable support 2 is increased.

Specifically, the number of the moving mechanisms 5 is four, the side plates 5-3 are in a seesaw shape, 6-8 rollers 5-5 are arranged inside the moving mechanisms, and bearings are arranged between the rollers 5-5 and the roller shafts 5-4.

Specifically, the left outer hook 6 and the right outer hook 15 are both L-shaped, the inner ends of the left outer hook and the right outer hook are respectively provided with an external thread matched with the left connecting rod 11 and the right connecting rod 13, and a through hole of the hinge shaft 8 is arranged near the threaded end.

Specifically, the middle of the adjusting screw 12 is provided with a hexagon which is convenient for adjustment by a wrench, and the two ends of the adjusting screw are respectively provided with a right thread and a left thread which are matched with the left connecting rod 11 and the right connecting rod 13.

Specifically, the inner hook 9 is of a Z-shaped structure, a U-shaped hinged support 9-1 is arranged on the top end of the inner hook and the axis of the hydraulic drive jack 4, and the hinged support 9-1 is provided with a through hole of a hinged shaft 8.

Specifically, the portable hydraulic pump 17 is an 18V rechargeable portable lithium battery hydraulic electric pump, the oil outlet pipe is provided with a pressure gauge 17-1, and the outlet is provided with a tee joint.

Example one

The portable hydraulic pump 17 is a commercial product with the model GYB-60D, the highest pressure of 70MPa, the motor power of 400W, the high-pressure oil output of 0.5L/min, the oil storage capacity of 2.5L, the weight of 11.5Kg and the external dimension of 230 ◊ 390 ◊ 180 mm.

Example two

The portable hydraulic pump 17 is a manual hydraulic pump.

The utility model discloses a theory of operation:

a kind of oil pumping unit uses the deviation adjusting device, at first, the hoisting mechanism is by two hydraulic vertical jacks 10, through the left outer hook 6, left tie rod 11, adjusting screw 12, right tie rod 13, right outer hook 15 threaded connection sequentially, the left outer hook 6, right outer hook 15 are hinged with top of the inner hook 9 through the hinge 8, hinged support 9-1 separately, the bottom of the inner hook 9 is fixedly connected with top of the hydraulic vertical jack 10, the cushion block 7 is set up in the upper portion of the inner hook 9, the bottom plate 16 is set up in the inferior part of the hydraulic vertical jack 10, hook the pumping unit base 19I-steel, two persons operate the hydraulic vertical jack 10 to jack up the beam-pumping unit at the same time; secondly, the moving mechanism 5 utilizes rollers 5-5, which is equivalent to the bottom of the beam-pumping unit provided with wheels, so that the moving mechanism is convenient to move; thirdly, the central shaft of a composite roller bearing 3 on the upper part of a fixed base 1 is fixedly connected with a movable support 2, a hydraulic driving jack 4 is positioned between the fixed base 1 and the movable support 2, the hydraulic driving jack 4 is connected with a portable hydraulic pump 17 through a high-pressure rubber tube 18 and a tee joint, the portable hydraulic pump 17 is started, the hydraulic driving jack 4 drives the movable support 2, and the movable support 2 carries the beam pumping unit to move until the center of the horse head of the beam pumping unit is aligned with the center of a well head.

EXAMPLE III

The operation steps of the deviation adjusting device for the oil pumping unit are as follows: (taking a forward moving beam-pumping unit as an example)

Step 1, wearing labor protection articles;

step 2, preparing tool tools, 2 movable wrenches with the length of 450mm, 1 pipe wrench with the length of 600mmg, 1 insulating glove, 1 test pencil, butter, cotton yarn, a class report table and a recording pen, and 1 set of the deviation adjusting device for the oil pumping unit;

step 3, pressing a stop button of the control cabinet by wearing insulating gloves, stopping the mule head of the pumping unit at a position close to a bottom dead center, tensioning a brake, and switching off the brake;

step 4, punching an upper clamp on a polish rod at the upper part of the wellhead, and unloading the load of the oil pumping unit;

step 5, disassembling screws of the oil pumping machine base;

step 6, placing two hydraulic vertical jacks 10 of a hoisting mechanism at the front end of the interior of a base of the oil pumping unit, sequentially connecting a left outer hook 6, a left connecting rod 11, an adjusting screw 12, a right connecting rod 13 and a right outer hook 15 in a threaded manner, hooking two sides of a base 19 of the oil pumping unit, respectively hinging the left outer hook 6 and the right outer hook 15 with the top of an inner hook 9 through a hinge shaft 8 and a hinge base 9-1, and adjusting the adjusting screw 12 to be tensioned; the cushion block 7 is placed on the upper part of the inner hook 9, and the bottom plate 16 is cushioned on the lower part of the hydraulic vertical jack 10;

step 7, two persons simultaneously operate the hydraulic vertical jack 10 to slowly jack the front head of the beam-pumping unit, when the jack-up height exceeds the height of the moving mechanism 5, the two moving mechanisms 5 are placed at the bottoms of two sides of the base 19 of the beam-pumping unit, the direction is forward, the hydraulic vertical jack 10 is slowly decompressed, and the hoisting mechanism is taken out;

step 8, moving the two hydraulic vertical jacks 10 of the hoisting mechanism to the rear part in the base of the oil pumping unit, and repeating the operation of the step 6;

step 9, two persons simultaneously operate the hydraulic vertical jack 10, slowly jack up the rear part of the beam-pumping unit, when the jack-up height exceeds the height of the moving mechanism 5, put the two moving mechanisms 5 into the bottoms of the two sides of the base 19 of the pumping unit, the direction is forward, then put driving mechanisms into the two sides of the bottom of the rear end of the base 19 of the pumping unit, slowly release the pressure of the hydraulic vertical jack 10, and take out the hoisting mechanism;

step 10, connecting a hydraulic drive jack 4 with a portable hydraulic pump 17 through a high-pressure rubber tube 18 and a tee joint, starting the portable hydraulic pump 17, driving a movable support 2 by the hydraulic drive jack 4, and slowly moving the movable support 2 forwards along with a beam pumping unit until the center of the horse head of the beam pumping unit is aligned with the center of a well head;

step 11, repeating the step 6 and the step 8, and taking out the moving mechanism 5 and the driving mechanism; the operation method of the left and right movable beam pumping units is the same as above, and the description is omitted.

Step 12, tightening a base bolt of the beam-pumping unit;

step 13, loosening a brake, removing a square clamp on the upper part of a well mouth, loading a horse head of the beam pumping unit, wearing an insulating glove to switch on and transmit power, pressing a 'start' button of a control cabinet, and starting the pumping unit by using inertia;

step 14, observing the running condition and the adjusting effect of the beam pumping unit;

step 15, tool tools are picked up, and relevant data are filled in the class report.

While preferred embodiments of the present invention have been described above, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true spirit and scope of the invention. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, then the present invention is also intended to include such modifications and variations.

Claims (8)

1. An offset adjusting device for an oil pumping unit comprises: the device comprises a driving mechanism, a moving mechanism (5) and a hoisting mechanism; the method is characterized in that: the two sets of driving mechanisms are arranged, the composite roller bearings (3) are arranged on the upper portion of the fixed base (1), the vertical central shafts of the composite roller bearings (3) are fixedly connected with the movable support (2), the two hydraulic driving jacks (4) are located between the fixed base (1) and the movable support (2), and the hydraulic driving jacks (4) are communicated

The over-high pressure rubber pipe (18) is connected with the portable hydraulic pump (17); the front and the back of side plates (5-3) at two sides of the moving mechanism (5) are connected through cross braces (5-6), a vertical plate (5-2) is arranged in the middle, a top plate (5-1) is arranged on the top, and a lower roll shaft (5-4) penetrates through the side plates (5-3) at two sides and the vertical plate (5-2) and is in shaft-driven connection with the rollers (5-5); the hydraulic vertical jacks (10) of the lifting mechanism are arranged in two, the left outer hook (6), the left connecting rod (11), the adjusting screw rod (12), the right connecting rod (13) and the right outer hook (15) are sequentially connected through threads, the left outer hook (6) and the right outer hook (15) are respectively hinged with the top of the inner hook (9) through a hinge shaft (8) and a hinge seat (9-1), the bottom of the inner hook (9) is fixedly connected with the top of the hydraulic vertical jack (10), the cushion block (7) is arranged on the upper portion of the inner hook (9), the bottom plate (16) is arranged on the lower portion of the hydraulic vertical jack (10), and a spring (14) is arranged between the bottom of the hydraulic vertical jack (10) and the inner hook (9).

2. The deviation adjusting device for the oil pumping unit as claimed in claim 1, wherein: the fixed base (1) is L-shaped, the bottom of the fixed base is of a channel steel structure, the inner width of the fixed base is slightly larger than the edge width of the composite roller bearing (3), the movable support (2) is in rolling contact with the inner walls of the upper surface and two sides of the fixed base (1) through the composite roller bearing (3) on the lower portion, and inner rib plates (1-1) are arranged on two sides of the right end of the fixed base (1).

3. The deviation adjusting device for the oil pumping unit as claimed in claim 1, wherein: the movable support (2) is of a T-shaped structure, outer rib plates (2-1) are arranged on two sides of the right end of the movable support, and 8-10 composite roller bearings (3) are arranged on the lower portion of the movable support.

4. The deviation adjusting device for the oil pumping unit as claimed in claim 1, wherein: the number of the moving mechanisms (5) is four, the side plates (5-3) are in a seesaw shape, 6-8 rollers (5-5) are arranged inside the moving mechanisms, and bearings are arranged between the rollers (5-5) and the roller shafts (5-4).

5. The deviation adjusting device for the oil pumping unit as claimed in claim 1, wherein: the left outer hook (6) and the right outer hook (15) are L-shaped, the inner ends of the left outer hook and the right outer hook are respectively provided with an external thread matched with the left connecting rod (11) and the right connecting rod (13), and a through hole of the hinge shaft (8) is arranged close to the threaded end.

6. The deviation adjusting device for the oil pumping unit as claimed in claim 1, wherein: the middle of the adjusting screw rod (12) is provided with a hexagon, and the two ends of the adjusting screw rod are respectively provided with a right-handed external thread and a left-handed external thread which are matched with the left connecting rod (11) and the right connecting rod (13).

7. The deviation adjusting device for the oil pumping unit as claimed in claim 1, wherein: the inner hook (9) is of a Z-shaped structure, a U-shaped hinged support (9-1) is arranged on the top end of the inner hook and the axis of the hydraulic drive jack (4), and a through hole of the hinged shaft (8) is formed in the hinged support (9-1).

8. The deviation adjusting device for the oil pumping unit as claimed in claim 1, wherein: the portable hydraulic pump (17) is an 18V rechargeable portable lithium battery hydraulic electric pump, the oil outlet pipe is provided with a pressure gauge (17-1), and the outlet is provided with a tee joint.

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