CN215213396U - Strong magnetic catching device for underground metal sundries - Google Patents
Strong magnetic catching device for underground metal sundries Download PDFInfo
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- CN215213396U CN215213396U CN202121226706.1U CN202121226706U CN215213396U CN 215213396 U CN215213396 U CN 215213396U CN 202121226706 U CN202121226706 U CN 202121226706U CN 215213396 U CN215213396 U CN 215213396U
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Abstract
The utility model provides a strong magnetism is caught and is dragged for metal debris in pit, the body is hollow ladder columnar structure, the equipartition has a plurality of mounting grooves with body axis parallel arrangement on the outer periphery of body, the subassembly is inhaled to strong magnetism to the location installation in the mounting groove, on the subassembly is fixed in the body through the clamping ring subassembly is inhaled to strong magnetism, install O type circle in the seal groove of the tapering screw thread root of body right-hand member. The utility model discloses optimize the mounting structure of powerful magnetism subassembly on the body, there are a plurality ofly and body axis parallel arrangement's mounting groove through the equipartition on the outer periphery wall of body, and by being fixed in the body on the powerful magnetism subassembly of clamping ring subassembly in will packing into the mounting groove is fixed in the body, the quantity that the screw used has been reduced, thereby reduced because the screw is not hard up the risk of well falling, in order to avoid bar magnet steel magnetic force to throw other operations interference such as ball in the instrument latus rectum, the strong magnetism subassembly of adoption can be good keep apart the interference of magnetic force in to the body latus rectum.
Description
Technical Field
The utility model belongs to the technical field of well completion operation instrument, concretely relates to strong magnetism fishing device for metal debris in pit.
Background
In the well completion construction operation of petroleum and geological drilling, small blocky falling objects exist underground, and metal impurities are often adhered to the inner wall of a casing. In order to clean the evolved underground environment, a strong magnetic fishing device is adopted, the impurities and the fallen objects are magnetized and adsorbed by permanent magnetic steel carried by the strong magnetic fishing device, and the impurities are taken out of the underground by a tool string, so that the underground environment is cleaned and purified. However, the strong magnetic fishing device with the existing structure has unreasonable design structure and complex structure, so that the fastening piece is loosened and falls into the well in the using process, and inconvenience is caused to underground cleaning; in addition, in the whole tool string operation process, when operations such as ball throwing and the like are required, the conventional strong magnetic fishing device tool has no magnetic isolation function, and steel balls and the like are adsorbed on the inner wall of the drift diameter of the strong magnetic fishing device, so that the whole operation process of the pipe string is influenced, and therefore, improvement is needed for the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem: the utility model provides a strong magnetism is caught and is catched ware for metal debris in pit, optimize the mounting structure of powerful magnetism subassembly on the body, through the equipartition have a plurality of mounting grooves with body axis parallel arrangement on the outer periphery wall of body, and be fixed in on the body by the powerful magnetism subassembly of the clamping ring subassembly that is fixed in on the body in will packing into the mounting groove, the quantity that the screw used has been reduced, thereby reduced the risk that falls into the well because the screw is not hard up, in order to avoid bar magnet steel magnetic force to throw other operations interference such as ball in the instrument latus rectum, the powerful magnetism subassembly of adoption can be good keep apart the interference of magnetic force in to the body latus rectum.
The utility model adopts the technical proposal that: a strong magnetism ware of catching for metal debris in pit, which comprises a body, the body is hollow ladder columnar structure, the equipartition has a plurality of mounting grooves with body axis parallel arrangement on the outer periphery of body, the subassembly is inhaled to location installation in the mounting groove strong magnetism, on the subassembly is fixed in the body through the clamping ring subassembly is inhaled to strong magnetism, install O type circle in the seal groove of the tapering screw thread root of body right-hand member.
The assembly is inhaled to powerful magnetism includes a plurality of high temperature resistant bar magnet steel and the division board the same with bar magnet steel quantity, the division board is by the horizontal plate with locate the L shape structure that the location riser of horizontal plate one side border department is constituteed, the mounting groove is T shape structure and mounting groove right-hand member extends to the left anchor ring department of body right-hand member holding ring, and is a plurality of division board and the bar magnet steel of adorning face on the horizontal plate of division board are end to end in proper order installed and are positioned in the mounting groove, and the division board and the bar magnet steel of rightmost end support on the mounting groove right-hand member cell wall, are fixed in clamping ring subassembly on the body supports on the division board and the bar magnet steel of leftmost end to cooperation through clamping ring subassembly and mounting groove is inhaled the assembly with powerful magnetism and is fixed in on the body.
Further, the isolation plate is made of stainless steel materials.
Furthermore, the clamping ring assembly comprises a compression ring and a screw, an external thread is formed on the outer circumferential wall of the body at the left end of the mounting groove, the threaded hole in the center of the compression ring is fixedly connected with the external thread on the body and then is abutted to the left end face of the strong magnetic attraction assembly, and the screw which is symmetrically formed with the threaded hole in the outer circumferential wall at the left end of the compression ring and is adapted to the threaded hole is abutted to the outer circumferential wall of the body.
Furthermore, the compression ring is formed by welding a two-petal structure.
The utility model has the advantages compared with the prior art:
1. according to the technical scheme, the installation structure of the strong magnetic suction component on the body is optimized, the plurality of installation grooves which are parallel to the axis of the body are uniformly distributed on the outer circumferential wall of the body, and the pressing ring component fixed on the body fixes the strong magnetic suction component arranged in the installation grooves on the body, so that the number of used screws is reduced, and the risk of falling into a well due to the loosening of the screws is reduced;
2. in the technical scheme, in order to avoid the interference of the magnetic force of the bar-shaped magnetic steel on other operations such as ball throwing in the drift diameter of the tool, the strong magnetic attraction component consisting of the bar-shaped magnetic steel and the isolation plates is adopted, so that the interference of the magnetic force on the drift diameter of the body can be well isolated under the action of the isolation plates, and the smooth and reliable operation of other operations such as ball throwing in the drift diameter of the body is ensured;
3. according to the technical scheme, the jacking and fixing piece of the strong magnetic attraction component is in threaded connection with the body through the two-piece type compression ring, so that the strong magnetic attraction component is reliably jacked and fixed in the mounting groove, and the number of used screws is reduced;
4. this technical scheme simple structure, simple to operate is swift, adopts a plurality of high temperature resistant bar magnet steel of locating on the body, can clear up after adsorbing adnexed metal class impurity on small-size cubic whereabouts in the pit and the intraductal wall of sleeve to reach the effect of clearance purification underground environment, structural design is reasonable, and underground clearance is effectual.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a half-section structure of the present invention;
fig. 3 is a sectional view taken along line a-a of fig. 2.
Detailed Description
An embodiment of the present invention will be described in conjunction with fig. 1-3 to clearly and completely describe the technical solution, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, not the whole embodiment.
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, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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.
The strong magnetic fishing device for underground metal sundries comprises a body 1, wherein the body 1 is of a hollow ladder columnar structure, a plurality of mounting grooves 5 which are parallel to the axis of the body 1 are uniformly distributed on the outer circumferential wall of the body 1, the mounting grooves 5 are T-shaped grooves, strong magnetic attraction components are positioned and mounted in the T-shaped grooves and fixed on the body 1 through pressing ring components, and O-shaped rings 6 are mounted in sealing grooves at the root parts of tapered threads at the right end of the body 1; in the structure, the installation structure of the strong magnetic component on the body 1 is optimized, the installation grooves 8 which are parallel to the axis of the body 1 are uniformly distributed on the outer circumferential wall of the body 1, and the strong magnetic component which is arranged in the installation grooves 8 is fixed on the body 1 by the pressing ring component fixed on the body 1, so that the number of used screws is reduced, and the risk of falling into a well due to the loosening of the screws is reduced;
as shown in fig. 2 and 3, the specific structure of the strong magnetic attraction component is as follows: the strong magnetic attraction component comprises a plurality of high-temperature-resistant strip-shaped magnetic steels 4 and isolating plates 2 with the same number as the strip-shaped magnetic steels 4, each isolating plate 2 is of an L-shaped structure consisting of a horizontal plate and a positioning vertical plate arranged at the edge of one side of the horizontal plate, each mounting groove 5 is of a T-shaped structure, the right end of each mounting groove 5 extends to the left annular surface of a positioning ring at the right end of the body 1, the isolating plates 2 and the strip-shaped magnetic steels 4 mounted on the upper surface of the horizontal plate of each isolating plate 2 are sequentially mounted end to end and positioned in the mounting groove 5, the isolating plate 2 and the strip-shaped magnetic steel 4 at the rightmost end are abutted against the groove wall at the right end of the mounting groove 5, and the pressing ring component fixed on the body 1 is abutted against the isolating plate 2 and the strip-shaped magnetic steels 4 at the leftmost end and is fixed on the body 1 through the matching of the pressing ring component and the mounting groove 5; specifically, the isolation plate 2 is made of stainless steel material; in the structure, in order to avoid the interference of the magnetic force of the bar-shaped magnetic steel 4 on other operations such as ball throwing in the drift diameter of the tool, a strong magnetic attraction component consisting of a plurality of bar-shaped magnetic steels 4 and the isolation plate 2 is adopted, the interference of the magnetic force on the drift diameter of the body 1 can be well isolated under the action of the isolation plate 2, and the smooth and reliable operation of other operations such as ball throwing in the drift diameter of the body 1 is ensured;
as shown in fig. 2, the compression ring assembly has the following specific structure: the pressing ring assembly comprises a pressing ring 3 and screws 7, an external thread is formed on the outer circumferential wall of the body 1 at the left end of the mounting groove 5, a threaded hole in the center of the pressing ring 3 is matched and fixedly connected with the external thread on the body 1 and then abuts against the left end face of the strong magnetic suction assembly, threaded holes are symmetrically formed in the outer circumferential wall at the left end of the pressing ring 3, and the screws 7 matched in the threaded holes abut against the outer circumferential wall of the body 1 to prevent the pressing ring 3 from loosening; specifically, the inner diameter of the thread of the compression ring is smaller than the outer diameter of the body (1), so that the compression ring 3 is formed by welding a two-piece structure; in the structure, the jacking fixing piece of the strong magnetic attraction component adopts a structure that the two-piece type compression ring 3 is in threaded connection with the body 1, so that the strong magnetic attraction component is reliably jacked and fixed in the mounting groove 8, and the number of screws used is reduced;
the installation process is as follows: after the body 1 is placed on an operation platform and is reliably fixed, a plurality of high-temperature-resistant strip-shaped magnetic steels 4 are respectively placed into corresponding magnetic isolation plates 2, and then a plurality of strip-shaped magnetic steels 4 and the magnetic isolation plates 2 are arranged in an installation groove 8 in an end-to-end connection mode, and the lug boss end arranged at the right end of the magnetic isolation plate 2 faces the upper end of a tool, and the positioning vertical plate of the L-shaped magnetic isolation plate 2 faces the upper end of the tool; after all the magnetism isolating plates 2 and the high-temperature resistant strip-shaped magnetic steel 4 are installed, the compression ring 3 at the left end of the body is pushed rightwards to the threaded connection position of the body 1 and is completely screwed in; the compression ring 3 is symmetrically provided with two threaded holes, and two screws 7 are screwed into the threaded holes and tightly push the body 1; an O-shaped ring 6 is arranged in an annular groove at the shaft shoulder at the left end of the conical outer wall at the right end of the body 1, and is coated with butter; a lifting short section structure is designed at the upper end of the body 1, so that the tool can be clamped conveniently in the process of going into the well.
This technical scheme simple structure, simple to operate is swift, adopts a plurality of high temperature resistant bar magnet steel 4 of locating on body 1, can clear up after adsorbing adnexed metal class impurity on small-size cubic whereabouts thing in the pit and the intraductal wall of sleeve to reach the effect that the underground environment was purified in the clearance, structural design is reasonable, and the underground clearance is effectual.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. A strong magnetism ware of catching for metal debris in pit, its characterized in that: including body (1), body (1) is hollow ladder columnar structure, the equipartition has a plurality of mounting groove (5) with body (1) axis parallel arrangement on the outer periphery wall of body (1), the subassembly is inhaled to location installation in mounting groove (5) strong magnetism, on strong magnetism was inhaled the subassembly and is fixed in body (1) through the clamping ring subassembly, install O type circle (6) in the seal groove of the tapering screw thread root of body (1) right-hand member.
2. The strong magnetic fishing device for underground metal impurities according to claim 1, characterized in that: the strong magnetic attraction component comprises a plurality of high-temperature resistant strip-shaped magnetic steels (4) and isolating plates (2) with the same number as the strip-shaped magnetic steels (4), the isolation plate (2) is of an L-shaped structure consisting of a horizontal plate and a positioning vertical plate arranged at the edge of one side of the horizontal plate, the mounting groove (5) is of a T-shaped structure, the right end of the mounting groove (5) extends to the left ring surface of the positioning ring at the right end of the body (1), the isolation plates (2) and the strip-shaped magnetic steel (4) arranged on the upper surface of the horizontal plate of the isolation plate (2) are sequentially arranged end to end and positioned in the mounting groove (5), the isolation plate (2) and the strip-shaped magnetic steel (4) at the rightmost end are abutted against the groove wall at the right end of the mounting groove (5), the pressure ring component fixed on the body (1) is abutted against the isolation plate (2) and the strip-shaped magnetic steel (4) at the leftmost end, and the strong magnetic attraction component is fixed on the body (1) through the matching of the pressure ring component and the mounting groove (5).
3. The strong magnetic fishing device for underground metal impurities according to claim 2, characterized in that: the isolation plate (2) is made of stainless steel materials.
4. The strong magnetic fishing device for underground metal impurities according to claim 1, characterized in that: the clamping ring assembly comprises a pressing ring (3) and screws (7), external threads are formed in the outer circumferential wall of the body (1) at the left end of the mounting groove (5), the threaded holes in the center of the pressing ring (3) are fixedly connected with the external threads on the body (1) and then are abutted to the left end face of the strong magnetic attraction assembly, and the screws (7) symmetrically formed in the threaded holes and adapted to the threaded holes in the outer circumferential wall at the left end of the pressing ring (3) are abutted to the outer circumferential wall of the body (1).
5. The strong magnetic fishing device for underground metal impurities according to claim 4, characterized in that: the compression ring (3) is formed by welding two petal-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121226706.1U CN215213396U (en) | 2021-06-02 | 2021-06-02 | Strong magnetic catching device for underground metal sundries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121226706.1U CN215213396U (en) | 2021-06-02 | 2021-06-02 | Strong magnetic catching device for underground metal sundries |
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| Publication Number | Publication Date |
|---|---|
| CN215213396U true CN215213396U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121226706.1U Active CN215213396U (en) | 2021-06-02 | 2021-06-02 | Strong magnetic catching device for underground metal sundries |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370314A (en) * | 2022-07-20 | 2022-11-22 | 中国石油天然气股份有限公司 | Strong magnetic fishing tool and strong magnetic performance testing method |
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2021
- 2021-06-02 CN CN202121226706.1U patent/CN215213396U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370314A (en) * | 2022-07-20 | 2022-11-22 | 中国石油天然气股份有限公司 | Strong magnetic fishing tool and strong magnetic performance testing method |
| CN115370314B (en) * | 2022-07-20 | 2024-05-03 | 中国石油天然气股份有限公司 | Strong magnetic fishing tool and strong magnetic property testing method |
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