CN113565461A

CN113565461A - Multistage controllable magnetic anti-sticking device

Info

Publication number: CN113565461A
Application number: CN202110755931.2A
Authority: CN
Inventors: 郭敏; 郭乃宏; 郭大进; 卞友章; 郭湧; 郭峰
Original assignee: Huaian Jingshen Drilling Machine Tools Co ltd
Current assignee: Huaian Jingshen Drilling Machine Tools Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-10-29
Anticipated expiration: 2041-07-05
Also published as: CN113565461B

Abstract

The invention relates to the technical field of anti-sticking devices, and discloses a multistage controllable magnetic anti-sticking device which comprises an upper joint, a lower joint, a central pipe and an outer pipe, wherein the bottom end of the upper joint is provided with the central pipe, the bottom end of the central pipe is provided with the lower joint, the top of the outer wall of the central pipe is provided with a first-stage magnetic anti-sticking device, the middle part of the outer wall of the central pipe is provided with a second-stage magnetic anti-sticking device, the bottom of the outer wall of the central pipe is provided with a third-stage magnetic anti-sticking device, the outer wall of the first-stage magnetic anti-sticking device is surrounded with a containing groove, the left side and the right side of the outer ring at the bottom end of the upper joint are provided with hydraulic cylinders, the bottom ends of the hydraulic cylinders are provided with hydraulic rods, and the number of the hydraulic rods is two groups. Causing seizure of the stem pump.

Description

Multistage controllable magnetic anti-sticking device

Technical Field

The invention relates to the technical field of anti-sticking devices, in particular to a multistage controllable magnetic anti-sticking device.

Background

The oil well is a borehole drilled by a drilling method; after drilling oil layer, the oil well is driven into the casing, and the cement is injected into the annular space between the casing and the well wall to maintain the well wall and to seal oil, gas and water layers.

The patent is installed between pipe columns on the upper portion of an oil well pump, ferromagnetic substances can be effectively adsorbed to prevent the ferromagnetic substances from falling into the oil well pump, and iron filings are prevented from being stuck to the pump.

Therefore, the multistage controllable magnetic anti-blocking device is beneficial to magnetic adsorption of iron rust and reduction of iron scrap accumulation, iron scrap is cleaned regularly and collected and summarized, and the phenomenon that the iron scrap accumulated in the lifting process of the rod pump is changed down to cause blocking of the rod pump is avoided.

Disclosure of Invention

The invention aims to provide a multistage controllable magnetic anti-sticking device, which solves the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the multistage controllable magnetic anti-sticking device comprises an upper joint, a lower joint, a central pipe and an outer pipe, wherein the central pipe is installed at the bottom end of the upper joint, the lower joint is installed at the bottom end of the central pipe, a first-stage magnetic anti-sticking device is installed at the top of the outer wall of the central pipe, a second-stage magnetic anti-sticking device is installed in the middle of the outer wall of the central pipe, a third-stage magnetic anti-sticking device is installed at the bottom of the outer wall of the central pipe, the first-stage magnetic anti-sticking device is provided with a containing groove in a surrounding manner, hydraulic cylinders are installed on the left side and the right side of the outer ring of the bottom end of the upper joint, hydraulic rods are installed at the bottom ends of the hydraulic cylinders, the number of the hydraulic rods is two, the ends of the two sets of hydraulic rods are fixed corresponding to two sides of the outer wall of the cleaning ring, cleaning lines are formed on the inner wall of the cleaning ring, an annular receiving ring is fixedly installed on the top of the lower joint, a sunken receiving groove is formed in the top of the receiving ring, accomodate ring outer wall and encircle and evenly set up the gas pocket, gas pocket quantity is more than three groups and the intercommunication accomodates the groove, the annular air cavity of ring is installed to the gas pocket outer wall, the intercommunication ring is connected through the connecting pipe in air cavity bottom, intercommunication ring outer wall left end intercommunication has the clearance pipe.

In a preferred embodiment of the present invention, the structure of the primary magnetic anti-seizing device, the structure of the secondary magnetic anti-seizing device, and the structure of the tertiary magnetic anti-seizing device are the same.

In a preferred embodiment of the present invention, the inner wall of the cleaning ring is nested with respect to the outer wall of the first magnetic anti-jamming device, and the inner wall of the cleaning pattern is nested with respect to the outer wall of the containing groove.

In a preferred embodiment of the present invention, an electromagnetic coil is installed in the central tube, and an outer wall of the electromagnetic coil is attached to inner walls of the primary magnetic anti-seizing device, the secondary magnetic anti-seizing device, and the tertiary magnetic anti-seizing device.

In a preferred embodiment of the invention, an outer pipe is nested between the upper joint and the lower joint, the top inner wall of the outer pipe is attached to the bottom of the outer wall of the upper joint, and the bottom inner wall of the outer pipe is attached to the top outer wall of the lower joint.

As a preferred embodiment of the present invention, the bottom of the cleaning ring is provided with an inwardly inclined lower scraper, and the top of the cleaning ring is provided with a recessed accommodating cavity.

In a preferred embodiment of the present invention, the position of the cleaning ring corresponds to the position of the receiving ring.

In a preferred embodiment of the present invention, the upper joint, the central tube and the lower joint are provided with through holes in the middle.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the arrangement of the hydraulic cylinder, the hydraulic rod, the cleaning ring, the containing groove and the cleaning lines, the scrap iron is adsorbed by the magnetic anti-jamming device, the hydraulic cylinder is started again to drive the hydraulic rod and the cleaning ring to descend, the scrap iron in the containing groove of the magnetic anti-jamming device corresponding to the cleaning lines of the cleaning ring is scraped, and then the scrap iron enters the containing groove in the containing ring, so that the scrap iron is cleaned regularly and collected, and the phenomenon that the accumulated scrap iron is changed in the lifting process of the rod pump to cause the jamming of the rod pump is avoided.

2. According to the invention, through the arrangement of the electromagnetic coil, the primary magnetic anti-sticking device, the second magnetic anti-sticking device, the third magnetic anti-sticking device and the accommodating groove, the primary magnetic anti-sticking device, the second magnetic anti-sticking device and the third magnetic anti-sticking device generate magnetic force to adsorb scrap iron by starting the electromagnetic coil, the scrap iron enters the accommodating groove, the accumulation of the scrap iron on the outer wall of the magnetic anti-sticking device is reduced, and the scrap iron at each position can be adsorbed by the multi-level magnetic anti-sticking device.

3. According to the invention, through the arrangement of the hole body, the air cavity, the communicating ring and the cleaning pipe, magnetism is eliminated by closing the electromagnetic coil, and the external air suction pump corresponds to the cleaning pipe, so that scrap iron in the accommodating groove is discharged through the hole body, the air cavity and the communicating ring in sequence, the scrap iron is conveniently and quickly cleaned out, and the scrap iron accumulation is avoided.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall external structure of the multistage controllable magnetic anti-seizing device of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the multi-stage controllable magnetic anti-seizing device of the present invention;

FIG. 3 is a schematic diagram of a cleaning ring structure of the multistage controllable magnetic anti-seize device of the present invention;

FIG. 4 is a schematic view of a first-stage magnetic anti-seize structure of the multi-stage controllable magnetic anti-seize device of the present invention;

FIG. 5 is a schematic view of a receiving ring structure of the multistage controllable magnetic anti-seize device of the present invention;

FIG. 6 is a schematic view of the structure below the receiving ring of the multi-stage controllable magnetic anti-seizing device of the present invention.

In the figure: 1. a lower joint; 2. a receiving ring; 3. a tertiary magnetic anti-seize device; 4. a secondary magnetic anti-seize device; 5. a containing groove; 6. a primary magnetic anti-seize device; 7. an upper joint; 8. a receiving groove; 9. a lower scraper; 10. cleaning a ring; 11. an accommodating chamber; 12. a hydraulic cylinder; 13. a hydraulic lever; 14. an outer tube; 15. a central tube; 16. an electromagnetic coil; 17. a porous body; 18. cleaning the lines; 19. an air cavity; 20. a communication ring; 21. and (6) cleaning the pipe.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides a technical solution: the multistage controllable magnetic anti-sticking device comprises an upper joint 7, a lower joint 1, a central tube 15 and an outer tube 14, wherein the central tube 15 is installed at the bottom end of the upper joint 7, the lower joint 1 is installed at the bottom end of the central tube 15, a first-stage magnetic anti-sticking device 6 is installed at the top of the outer wall of the central tube 15, a second-stage magnetic anti-sticking device 4 is installed at the middle part of the outer wall of the central tube 15, a third-stage magnetic anti-sticking device 3 is installed at the bottom end of the outer wall of the central tube 15, a containing groove 5 is arranged at the outer wall of the first-stage magnetic anti-sticking device 6, hydraulic cylinders 12 are installed at the left side and the right side of the outer ring at the bottom end of the upper joint 7, hydraulic rods 13 are installed at the bottom ends of the hydraulic cylinders 12, the number of the hydraulic rods 13 is two groups, the two groups of the ends of the hydraulic rods 13 are fixed corresponding to the two sides of the outer wall of the cleaning ring 10, cleaning patterns 18 are arranged on the inner wall of the cleaning ring 10, a circular receiving ring 2 is fixedly installed at the outer ring at the top end of the lower joint 1, the top of the containing ring 2 is provided with a sunken containing groove 8, the outer wall of the containing ring 2 is uniformly provided with air holes around, the number of the air holes is more than three and is communicated with the containing groove 8, the outer wall of the air holes is provided with an annular air cavity 19, the bottom end of the air cavity 19 is connected with a communicating ring 20 through a connecting pipe, the left end of the outer wall of the communicating ring 20 is communicated with a cleaning pipe 21, wherein, in the moving process of the pump rod, anisotropic iron filings are generated, the first-stage magnetic anti-sticking device 6, the second-stage magnetic anti-sticking device 4 and the third-stage magnetic anti-sticking device 3 form magnetic adsorption by starting an electromagnetic coil 16, the iron filings generated in the moving process of the pump rod form adsorption, and then a hydraulic rod 13 and the cleaning ring 10 are driven to descend by a hydraulic cylinder 12 (the electromagnetic coil 16 is closed simultaneously), so that a lower scraper 9 and a cleaning line 18 of the cleaning ring 10 sequentially scrape the iron filings of the third-stage magnetic anti-sticking device 3, the second-sticking device 4 and the outer wall 5 of the first-stage magnetic anti-sticking device 6, make iron fillings get into and accomodate ring 2 and accomodate the groove 8 in to make iron fillings adsorb in accomodating groove 8, correspond clearance pipe 21 with outside aspiration pump again and be linked together, make the iron fillings of accomodating in the groove 8 loop through the hole body, air cavity 19 and go-between 20 and take out clearance pipe 21, accomplish the clearance of iron rust, drive hydraulic cylinder 12 again and drive hydraulic stem 13 and clearance ring 10 and reset, restart solenoid 16 simultaneously.

In this embodiment, referring to fig. 1, the structure of the first-level magnetic anti-jamming device 6, the structure of the second-level magnetic anti-jamming device 4 and the structure of the third-level magnetic anti-jamming device 3 are the same, wherein the electromagnetic coil 16 is activated to enable the first-level magnetic anti-jamming device 6, the second-level magnetic anti-jamming device 4 and the third-level magnetic anti-jamming device 3 to generate magnetic force to adsorb iron filings, the iron filings enter the accommodating groove 5, the accumulation of the iron filings on the outer wall of the magnetic anti-jamming device is reduced, and the iron filings at various positions can be adsorbed by the multi-level magnetic anti-jamming device

In this embodiment, referring to fig. 1 to 4, the inner wall of the cleaning ring 10 is nested corresponding to the outer wall of the first magnetic anti-seizing device, the inner wall of the cleaning pattern 18 is nested corresponding to the outer wall of the containing groove 5, wherein the cleaning pattern 18 inside the cleaning ring 10 is fitted corresponding to the outer wall containing grooves 5 of the first magnetic anti-seizing device 6, the second magnetic anti-seizing device 4 and the third magnetic anti-seizing device 3 to form scraping.

In this embodiment, referring to fig. 2, an electromagnetic coil 16 is installed in the central tube 15, an outer wall of the electromagnetic coil 16 is attached to inner walls of the first-stage magnetic anti-seizing device 6, the second-stage magnetic anti-seizing device 4 and the third-stage magnetic anti-seizing device 3, wherein magnetic force adsorption iron filings are formed on the first-stage magnetic anti-seizing device 6, the second-stage magnetic anti-seizing device 4 and the third-stage magnetic anti-seizing device 3 by opening the electromagnetic coil 16.

In this embodiment, referring to fig. 2, an outer tube 14 is nested between the upper joint 7 and the lower joint 1, an inner wall of a top of the outer tube 14 is attached to a bottom of an outer wall of the upper joint 7, an inner wall of a bottom of the outer tube 14 is attached to an outer wall of a top of an outer wall of the lower joint 1, wherein the first-stage magnetic anti-seize device 6, the second-stage magnetic anti-seize device 4, and the third-stage magnetic anti-seize device 3 are located inside the outer tube 14 by nesting the upper joint 7 and the lower joint 1 corresponding to the inner walls of the outer tube 14.

In this embodiment, referring to fig. 2, the bottom of the cleaning ring 10 is provided with a lower scraper 9 inclined inward, and the top of the cleaning ring 10 is provided with a concave accommodating cavity 11, wherein the lower scraper 9 can scrape iron filings on the outer walls of the first-level magnetic anti-seizing device 6, the second magnetic anti-seizing device 4 and the third-level magnetic anti-seizing device 3, so as to prevent the iron filings from accumulating on the outer walls of the first-level magnetic anti-seizing device 6, the second magnetic anti-seizing device 4 and the third-level magnetic anti-seizing device 3.

In the embodiment, referring to fig. 1 to 4, the position of the cleaning ring 10 corresponds to the position of the receiving ring 2, wherein the falling position of the cleaning ring 10 corresponds to the position of the receiving ring 2.

When the multistage controllable magnetic anti-sticking device is used, it should be noted that the multistage controllable magnetic anti-sticking device of the present invention includes components that are all universal standard components or components known to those skilled in the art, and the structure and principle of the multistage controllable magnetic anti-sticking device can be known to those skilled in the art through technical manuals or through routine experimental methods.

When the iron dust remover is used in the moving process of a pump rod, iron dust is easy to generate, the first-level magnetic anti-sticking device 6, the second magnetic anti-sticking device 4 and the third-level magnetic anti-sticking device 3 form magnetic adsorption by starting the electromagnetic coil 16, the iron dust generated in the moving process of the pump rod forms adsorption, the hydraulic rod 13 and the cleaning ring 10 are driven by the hydraulic cylinder 12 to descend (the electromagnetic coil 16 is closed simultaneously), the lower scraper 9 and the cleaning flow pattern 18 of the cleaning ring 10 sequentially scrape the iron dust of the third-level magnetic anti-sticking device 3, the second magnetic anti-sticking device 4 and the outer wall accommodating groove 5 of the first-level magnetic anti-sticking device 6, the iron dust enters the accommodating ring 2 and the accommodating groove 8 and is adsorbed in the accommodating groove 8, then the external air suction pump is communicated with the corresponding cleaning pipe 21, the iron dust in the accommodating groove 8 is pumped out of the cleaning pipe 21 through the hole body, the air cavity 19 and the connecting ring 20, and the cleaning of iron rust is completed, the hydraulic cylinder 12 is then returned to drive the hydraulic rod 13 and the cleaning ring 10, and the solenoid 16 is again actuated.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Multistage controllable magnetism anti-sticking ware, including top connection (7), lower clutch (1), center tube (15) and outer tube (14), center tube (15) are installed to top connection (7) bottom, lower clutch (1) are installed to center tube (15) bottom, one-level magnetism anti-sticking ware (6), its characterized in that are installed at center tube (15) outer wall top: the improved multifunctional cleaning device is characterized in that a second-level magnetic anti-sticking device (4) is mounted in the middle of the outer wall of the central tube (15), a third-level magnetic anti-sticking device (3) is mounted at the bottom of the outer wall of the central tube (15), the first-level magnetic anti-sticking device (6) is surrounded by a containing groove (5), hydraulic cylinders (12) are mounted on the left and right sides of the outer ring of the bottom end of the upper joint (7), hydraulic rods (13) are mounted at the bottom end of the hydraulic cylinders (12), the number of the hydraulic rods (13) is two, the tail ends of the two sets of hydraulic rods (13) are fixed corresponding to the two sides of the outer wall of the cleaning ring (10), cleaning patterns (18) are formed on the inner wall of the cleaning ring (10), a circular containing ring (2) is fixedly mounted on the outer ring of the top end of the lower joint (1), a sunken containing groove (8) is formed in the top of the containing ring (2), and an air hole is uniformly formed in the outer wall of the containing ring (2), the air hole quantity is more than three groups and communicates and accomodates groove (8), the annular air cavity (19) of circle is installed to the air hole outer wall, intercommunication ring (20) is connected through the connecting pipe in air cavity (19) bottom, intercommunication ring (20) outer wall left end intercommunication has clearance pipe (21).

2. The multi-stage controllable magnetic jam-prevention device of claim 1 wherein: the structure of the first-level magnetic anti-sticking device (6), the structure of the second-level magnetic anti-sticking device (4) and the structure of the third-level magnetic anti-sticking device (3) are the same.

3. The multi-stage controllable magnetic jam-prevention device of claim 1 wherein: the inner wall of the cleaning ring (10) is nested corresponding to the outer wall of the first magnetic anti-jamming device, and the inner wall of the cleaning pattern (18) is nested corresponding to the outer wall of the containing groove (5).

4. The multi-stage controllable magnetic jam-prevention device of claim 1 wherein: an electromagnetic coil (16) is installed in the central tube (15), and the outer wall of the electromagnetic coil (16) is attached to the inner walls of the first-stage magnetic anti-sticking device (6), the second-stage magnetic anti-sticking device (4) and the third-stage magnetic anti-sticking device (3).

5. The multi-stage controllable magnetic jam-prevention device of claim 1 wherein: outer wall nested has outer tube (14) between upper joint (7) and lower clutch (1), outer tube (14) top inner wall laminating in upper joint (7) outer wall bottom, outer tube (14) bottom inner wall laminating in lower clutch (1) outer wall top outer wall.

6. The multi-stage controllable magnetic jam-prevention device of claim 1 wherein: the bottom of the cleaning ring (10) is provided with a lower scraper (9) which is inclined inwards, and the top end of the cleaning ring (10) is provided with a concave accommodating cavity (11).

7. The multi-stage controllable magnetic jam-prevention device of claim 6 wherein: the position of the cleaning ring (10) corresponds to the position of the containing ring (2).

8. The multi-stage controllable magnetic jam-prevention device of claim 1 wherein: and the middle parts of the upper joint (7), the central pipe (15) and the lower joint (1) are provided with penetrating hole bodies (17).