CN218293516U

CN218293516U - High-strength petroleum rotating rod joint

Info

Publication number: CN218293516U
Application number: CN202222196209.2U
Authority: CN
Inventors: 蒋烨玮; 蒋小清; 叶志梅; 左中华
Original assignee: Taizhou Kaisheng Petroleum Drilling Tools Co ltd
Current assignee: Taizhou Kaisheng Petroleum Drilling Tools Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-01-13
Anticipated expiration: 2032-08-22

Abstract

The utility model belongs to the technical field of petroleum casing pipes, in particular to a petroleum rotating rod joint with high strength, which comprises a screwed pipe, wherein the inner side of the screwed pipe is fixedly connected with a connecting mechanism; the rotary handle is rotated, the rotary handle drives the threaded rod to rotate, the telescopic rod limits the abutting plate to prevent the abutting plate from rotating, namely in the process of rotating the rotary handle, the threaded rod drives the abutting plate to translate up and down in the protective outer cover to abut against the fixed rotary head, so that the pipeline is prevented from vibrating due to overlarge pressure, the fixed rotary head and the surface of the threaded pipe are prevented from being abraded with the connecting surface of the pipeline, the sealing performance of the device is guaranteed, and oil leakage is prevented; the oil guide plates are distributed in the fixed rotating head from top to bottom, and the sliding slope surfaces of the oil guide plates are obliquely arranged, so that oil entering the fixed rotating head has a good guide effect.

Description

High-strength petroleum rotating rod joint

Technical Field

The utility model belongs to the technical field of the oil casing pipe, concretely relates to oil bull stick that intensity is high connects.

Background

The oil rotating rod joint is used for enhancing the connection strength of a pipe body and the joint, the two sides of the joint are steel pipes with threads at the tail parts, so that the effects of switching and sealing transmission are achieved, and the oil rotating rod joint is suitable for various small-hole well drilling, oil well operation, small-radius horizontal well drilling, vehicle-mounted drilling machines and coal bed gas well drilling, but the oil drilling rod of the existing drill rod joint can leak oil due to the reason of poor sealing effect when drilling, and further causes the phenomena of waste and the like of partial oil.

Therefore, the oil rotating rod joint with high strength is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an oil bull stick that intensity is high connects, can be through welding the screwed pipe to the back on the fixed joint, with the pipeline spiro union on the screwed pipe, rotate rotatory handle, rotatory handle drives the threaded rod and rotates, because the both sides of telescopic link are fixed with offset and support cover respectively, the telescopic link is accomplished to the spacing of offset and is prevented its rotation, promptly at the in-process of rotating rotatory handle, the threaded rod drives the offset and carries out the up-and-down translation in the inside of protection dustcoat, and then support fixed turn, and prevent to support fixed turn, prevent that pressure from leading to pipeline vibrations excessively, and then lead to fixed turn and the threaded pipe surface and the connecting face wearing and tearing of pipeline, and then guaranteed the leakproofness of this device, prevent the oil leak, and at the in-process of offset up-and-down translation, the movable rod of telescopic link is along the inside relative slip who supports the cover, and then realize offset of offset at the in-process that reciprocates, prevent that the offset butt is insecure, and compression spring is in the state of compressed all the inside of supporting the cover, make the movable rod continuously promote the offset, and then firm and fix the offset and turn.

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength petroleum rotating rod joint comprises a threaded pipe, wherein the inner side of the threaded pipe is fixedly connected with a connecting mechanism;

coupling mechanism includes protective housing, fixed turn round, rotatory handle, threaded rod and supports the board, and protective housing is fixed cup joints in the outside of fixed turn round, and the fixed both sides of turning round are fixed with the surface welding of screwed pipe, and the bottom of rotatory handle and the top fixed connection of threaded rod, threaded rod run through protective housing's a side surface and the middle part fixed connection who supports the board, support the bottom of board and the fixed surperficial looks butt that turns round.

As the utility model relates to an oil bull stick that intensity is high connects preferably, and the inside of protective housing still is provided with the telescopic link, and the telescopic link is including supporting cover, movable rod and compression spring, supports the internal face fixed connection of one side of cover and protective housing, and one side of movable rod slides and cup joints in the inside of supporting the cover, and compression spring's both sides are connected with the movable rod respectively and the fixed surface who supports the cover.

As the utility model relates to an oil bull stick that intensity is high connects preferably, and the both sides of protection dustcoat are provided with the sealing washer, sealing washer and outside pipeline looks butt.

As the utility model relates to an oil bull stick that intensity is high connects preferably, the inside of fixed bull stick is fixedly connected with oil guide plate still.

As the utility model relates to an oil bull stick that intensity is high connects preferably, draws the outside of oiled-plate to offer the landslide face that is the slope structure.

As the utility model relates to an oil bull stick that intensity is high connects preferably, draws the oiled-plate method to be provided with four groups, and four group draw oiled-plate method symmetric distributions in the fixed inside of turning round.

As the utility model relates to an oil bull stick that intensity is high connects preferred, the telescopic link is provided with two sets ofly, and two sets of telescopic link symmetric distribution are at a side surface of supporting the board.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through with the screwed pipe welding to fixed joint after, with the pipeline spiro union on the screwed pipe, rotate rotatory handle, rotatory handle drives the threaded rod and rotates, because the both sides of telescopic link are fixed with support board and support cover respectively, the telescopic link is accomplished to spacing preventing its rotation to the board, promptly at the in-process of the rotatory handle of rotating, the threaded rod drives and supports the board and carry out translation from top to bottom in the inside of protective housing, and then support fixed turn, prevent that pressure from leading to the pipeline vibrations too big, and then lead to fixed turn and the threaded pipe surface and the connecting face wearing and tearing of pipeline, and then guaranteed the leakproofness of this device, prevent the oil leak.

2. In-process at the up-and-down translation of support board, the movable rod of telescopic link is along the inside relative slip who supports the cover, and then realize the displacement compensation of support board at reciprocating the in-process, it is insecure to prevent to support the board butt, and compression spring is in the state of compressed in the inside of supporting the cover all the time, make the movable rod continuously promote to support the board, and then firm support board and fixed turn round, the sealing washer can make pipeline hug closely and fixed turn round, and then strengthen sealed effect, on the other hand, oil guide plate distributes in the inside of fixed turn round from top to bottom, oil guide plate's smooth slope face sets up for the slope, make the inside oil that gets into fixed turn round have a fine guide effect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic view of the structure inside the protective outer cover of the present invention;

FIG. 4 is a schematic view of the internal structure of the telescopic rod of the present invention;

FIG. 5 is a schematic structural view of a section of a middle fixed swivel of the present invention;

in the figure:

1. a threaded pipe;

2. a connecting mechanism; 21. a protective outer cover; 22. fixing the rotary head; 23. rotating the handle; 24. a threaded rod; 25. a resisting plate; 3. a telescopic rod; 31. a support sleeve; 32. a movable rod; 33. a compression spring; 4. a seal ring; 5. an oil guide plate; 6. a slide surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1:

the utility model provides an oil bull stick that intensity is high connects, including screwed pipe 1, the both sides of joint are screwed pipe 1 of a afterbody, and then reach the effect of switching and sealed transmission, but present drilling rod joint oil drilling rod can be because phenomenon such as oil leak appears in the poor reason of sealed effect when drilling, and then lead to partial oil to appear phenomenons such as extravagant, on this basis, coupling mechanism 2 has been added, coupling mechanism 2 can promote the leakproofness of joint, and coupling mechanism 2 can prevent the pipe face vibrations wearing and tearing of the screwed pipe 1 that the pressure too big leads to, and then prevent the oil leak.

As shown in fig. 1, 2 and 3:

in an alternative embodiment: the connecting mechanism 2 comprises a protective outer cover 21, a fixed rotating head 22, a rotating handle 23, a threaded rod 24 and a resisting plate 25, the protective outer cover 21 is fixedly sleeved outside the fixed rotating head 22, two sides of the fixed rotating head 22 are welded and fixed with the surface of the threaded pipe 1, the bottom of the rotating handle 23 is fixedly connected with the top of the threaded rod 24, the threaded rod 24 penetrates through the surface of one side of the protective outer cover 21 and is fixedly connected with the middle part of the resisting plate 25, the bottom end of the resisting plate 25 is abutted against the surface of the fixed rotating head 22,

in this embodiment: through with screwed pipe 1 welding to fixed joint after, with the pipeline spiro union on screwed pipe 1, rotate rotatory handle 23, rotatory handle 23 drives threaded rod 24 and rotates, because the both sides of telescopic link 3 are fixed with supporting board 25 and support cover 31 respectively, telescopic link 3 accomplishes the spacing of supporting board 25 and prevents its rotation, at the in-process of rotatory handle 23 of rotating promptly, threaded rod 24 drives and supports board 25 and carry out translation from top to bottom in the inside of protection dustcoat 21, and then support fixed turning 22, prevent that pressure from leading to the pipeline vibrations excessively, and then lead to fixed turning 22 and the wearing and tearing of being connected of the face of screwed pipe 1 surface and pipeline, and then guaranteed the leakproofness of this device, prevent the oil leak.

It should be noted that: the sealing rings 4 are arranged on two sides of the protective outer cover 21, the sealing rings 4 are abutted to external pipelines, the sealing rings 4 can enable the pipelines to be tightly attached to and fix the rotary head 22, and then the sealing effect is enhanced.

Further, the method comprises the following steps:

as shown in fig. 1, 3, 4 and 5:

in an alternative embodiment: the inside of protection dustcoat 21 still is provided with telescopic link 3, telescopic link 3 is including supporting cover 31, movable rod 32 and compression spring 33, support one side of cover 31 and the internal face fixed connection of protection dustcoat 21, one side slip cup joint of movable rod 32 is in the inside of supporting cover 31, compression spring 33's both sides respectively with movable rod 32 with support the fixed surface of cover 31 and be connected, telescopic link 3 is provided with two sets ofly, and two sets of 3 symmetric distributions of telescopic link are at a side surface of resisting board 25.

In this embodiment: telescopic link 3 is provided with two sets ofly, and 3 symmetric distributions of two sets of telescopic links are at a side surface of supporting board 25, the movable rod 32 of telescopic link 3 is along the inside relative slip who supports cover 31, and then realize supporting board 25 at the displacement compensation who reciprocates the in-process, it is insecure to prevent to support board 25 butt, and compression spring 33 is in the compressed state all the time in the inside that supports cover 31, make movable rod 32 continuously promote and support board 25, and then stabilize and support board 25 and fixed swivel 22, on the other hand, oil guide plate 5 distributes in the inside of fixed swivel 22 from top to bottom, oil guide plate 5's the outside is seted up and is the domatic 6 of slope structure, make the inside oil of getting into fixed swivel 22 have a fine guide effect.

It should be noted that: the oil guide plates 5 are provided with four groups, the four groups of oil guide plates 5 are symmetrically distributed in the fixed rotating head 22, and the sliding slope surfaces 6 of the upper and lower groups of oil guide plates 5 are matched, so that a gathering port is formed between the oil guide plates 5, and the oil guide effect is further completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an oil bull stick that intensity is high connects, includes screwed pipe (1), its characterized in that: the inner side of the threaded pipe (1) is fixedly connected with a connecting mechanism (2);

coupling mechanism (2) are including protection dustcoat (21), fixed turn round (22), rotatory handle (23), threaded rod (24) and offset plate (25), protection dustcoat (21) fixed cover is in the outside of fixed turn round (22), the both sides of fixed turn round (22) with the surface welded fastening of screwed pipe (1), the bottom of rotatory handle (23) with the top fixed connection of threaded rod (24), threaded rod (24) run through a side surface of protection dustcoat (21) with the middle part fixed connection of offset plate (25), the bottom of offset plate (25) with the surface looks butt of fixed turn round (22).

2. The high strength petroleum rod swivel joint of claim 1, wherein: the inside of protection dustcoat (21) still is provided with telescopic link (3), telescopic link (3) are including supporting cover (31), movable rod (32) and compression spring (33), support one side of cover (31) with the internal face fixed connection of protection dustcoat (21), one side slip cup joint of movable rod (32) is in support the inside of cover (31), the both sides of compression spring (33) respectively with movable rod (32) with support the fixed surface connection of cover (31).

3. The high strength petroleum rod swivel joint of claim 2, wherein: sealing rings (4) are arranged on two sides of the protective outer cover (21), and the sealing rings (4) are abutted to external pipelines.

4. The high-strength oil swivel joint according to claim 1, wherein: the fixed rotary head (22) is also fixedly connected with an oil guide plate (5).

5. The high strength petroleum rod swivel joint of claim 4, wherein: and a sliding slope surface (6) in an inclined structure is arranged on the outer side of the oil guide plate (5).

6. The high-strength oil swivel joint according to claim 5, wherein: the oil guide plates (5) are provided with four groups, and the four groups of oil guide plates (5) are symmetrically distributed in the fixed rotating head (22).

7. The high-strength oil swivel joint according to claim 2, wherein: the two groups of telescopic rods (3) are arranged, and the two groups of telescopic rods (3) are symmetrically distributed on one side surface of the abutting plate (25).