CN217206383U - Static seal short joint positioning and hydraulic seal interlocking system - Google Patents
Static seal short joint positioning and hydraulic seal interlocking system Download PDFInfo
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- CN217206383U CN217206383U CN202220397131.8U CN202220397131U CN217206383U CN 217206383 U CN217206383 U CN 217206383U CN 202220397131 U CN202220397131 U CN 202220397131U CN 217206383 U CN217206383 U CN 217206383U
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Abstract
The utility model discloses a static seal short section positioning and hydraulic seal interlocking system, which comprises a sliding part and a limiting part; the limiting piece is embedded in one end of the sliding piece and limited on the sliding piece. The utility model provides a quiet sealed nipple joint location and hydraulic seal interlocking system can effectual requirement quiet sealed nipple joint possess location and hydraulic seal interlocking function.
Description
Technical Field
The utility model relates to a static seal nipple joint location and hydraulic seal interlocking system field of well head cable.
Background
When the wellhead operation is carried out, some emergency situations are often met; when an emergency occurs, the rope needs to be tightly held before the rope is hung, so that sealing operation is performed on the shaft, and loss caused by the emergency is avoided; but can not start sealing in the normal cable operation process, therefore need quiet seal nipple joint to possess the function of location and sealed hydraulic pressure interlocking to can better deal with emergency.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough that exists among the prior art, the utility model provides a quiet sealed nipple joint location and hydraulic seal interlocking system can effectual requirement quiet sealed nipple joint possess location and hydraulic seal interlocking function.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:
the static seal short section positioning and hydraulic seal interlocking system comprises a sliding piece and a limiting piece; the limiting piece is embedded in one end of the sliding piece and limited on the sliding piece.
Furthermore, the hydraulic sealing structure is also included; the hydraulic pressure of the hydraulic sealing structure is in contact with and pushes the sliding part.
Further, the hydraulic sealing structure and the limiting piece are arranged in an interlocking mode.
Furthermore, the device also comprises a static sealing pipe body; the sliding piece is arranged in the static sealing pipe body in a sliding mode; the sliding piece is coaxially arranged with the static sealing pipe body in a penetrating way.
Furthermore, the hydraulic sealing structure and the limiting piece are embedded in the inner wall of the static sealing pipe body at intervals.
Furthermore, the inner wall of the static sealing pipe body is provided with an embedding hole in a through mode, and the hydraulic sealing structure is correspondingly embedded in the embedding hole in a sealing mode.
Furthermore, a volume groove is annularly formed in the side wall of the middle part of the sliding part; the volume groove is communicated with the embedding hole.
Further, the hydraulic sealing structure comprises a one-way valve; the liquid outlet end of the one-way valve corresponds to the volume groove; the other end of the one-way valve is communicated with the hydraulic pump.
Furthermore, a mounting hole is formed in the inner wall of the static seal pipe body in a penetrating mode; the side wall of the sliding part is annularly provided with a limiting semicircular groove, and the mounting hole is arranged corresponding to the limiting semicircular groove; and limiting pieces are correspondingly arranged in the mounting holes, and limiting ends of the limiting pieces are correspondingly clamped and embedded in the limiting semicircular grooves.
Further, the limiting piece comprises a piston rod, a hydraulic cavity and a steel ball; the hydraulic cavity is arranged in the mounting hole; one end of the hydraulic cavity is communicated with a hydraulic pump; a piston rod is arranged in the other end of the hydraulic cavity; one end of the piston rod, which is far away from the hydraulic cavity, is provided with a steel ball; the pressure in the hydraulic cavity is increased to push the piston rod to drive the steel balls to move, and the steel balls are partially embedded into the limiting semicircular grooves.
Has the advantages that: the utility model has the functions of positioning and sealing hydraulic interlocking; including but not limited to the following benefits:
1) during normal operation, control hydraulic pressure enters the hydraulic cavity through the hydraulic pump, the slide valve and the hydraulic pipe, so that the piston rod is driven to push the steel balls to enter the limiting semicircular groove of the sliding part, and the positioning effect can be realized;
2) when sealing needs to be implemented, the two-position four-way sliding valve is rotated, at the moment, control hydraulic pressure enters the bottom of the sliding piece through the hydraulic pump, the sliding valve and the one-way valve, the corresponding part of the piston rod is communicated with the hydraulic cavity, and the sliding piece can correspondingly slide, so that static sealing of the sealing element in the sliding piece is achieved.
Drawings
FIG. 1 is a view showing the construction of a slider;
FIG. 2 is a diagram showing the construction of the defining member.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the attached figures 1-2: the interlocking system for positioning the static seal short section and hydraulically sealing comprises a sliding piece 1 and a limiting piece 2; the limiting piece 2 is embedded in one end of the sliding piece 1 and limited on the sliding piece 1. The limiting piece limits the sliding piece 1, and then the limiting and positioning function can be achieved on the sliding piece.
The hydraulic sealing structure also comprises a hydraulic sealing structure 3; the hydraulic pressure of the hydraulic sealing structure 3 is in contact with and pushes against the sliding piece 1. The hydraulic seal arrangement 3 and the delimiting elements 2 are arranged in an interlocking manner. The sliding part is positioned through the limiting piece, and the hydraulic sealing structure is matched for sealing hydraulic pressure, so that the interlocking effect is realized.
The device also comprises a static sealing pipe body 4; the sliding part 1 is arranged in the static sealing pipe body 4 in a sliding manner; the sliding part 1 is coaxially arranged with the static sealing pipe body 4 in a penetrating way. The hydraulic sealing structure 3 and the limiting piece 2 are embedded in the inner wall of the static sealing pipe body 4 at intervals. The inner wall of the static sealing pipe body 4 is provided with an embedding hole 41 in a penetrating way, and the hydraulic sealing structure 3 is correspondingly and hermetically embedded in the embedding hole 41. Through establishing hydraulic seal structure inlays on the quiet sealed body, and then can carry out corresponding hydraulic seal to the slider to the cooperation is injectd the piece and is realized interlocking effect.
A volume groove 11 is annularly formed in the side wall of the middle part of the sliding part 1; the volume groove 11 is disposed to communicate with the insertion hole 41. The hydraulic seal structure 3 includes a check valve 31; the liquid outlet end of the one-way valve 31 corresponds to the volume groove 11; the other end of the check valve 31 is communicated with the hydraulic pump. Liquid enters the solvent groove through the one-way valve, and then the sliding piece can be extruded, and the interlocking effect is realized by matching with the limiting piece.
The inner wall of the static seal pipe body 4 is provided with a mounting hole 42 in a penetrating way; the side wall of the sliding part 1 is annularly provided with a semi-circular limiting groove 12, and the mounting hole 42 is arranged corresponding to the semi-circular limiting groove 12; the limiting piece 2 is correspondingly arranged in the mounting hole 42, and the limiting end of the limiting piece 2 is correspondingly clamped and embedded in the limiting semicircular groove 12. The limiting piece 2 comprises a piston rod 21, a hydraulic cavity 22 and a steel ball 23; the hydraulic cavity 22 is arranged in the mounting hole 42; one end of the hydraulic cavity 22 is communicated with a hydraulic pump; a piston rod 21 is arranged in the other end of the hydraulic cavity 22; one end of the piston rod 21, which is far away from the hydraulic cavity 22, is provided with a steel ball 23; the pressure in the hydraulic cavity 22 is increased to push the piston rod 21 to drive the steel ball 23 to move, and the steel ball 23 is partially embedded into the semi-circular groove 12. During normal operation, control hydraulic pressure enters the hydraulic cavity through the hydraulic pump, the slide valve and the hydraulic pipe, so that the piston rod is driven to push the steel balls to enter the limiting semicircular groove of the sliding part, and the positioning effect can be realized.
When sealing needs to be implemented, the two-position four-way sliding valve is rotated, at the moment, control hydraulic pressure enters the bottom of the sliding piece through the hydraulic pump, the sliding valve and the one-way valve, the corresponding part of the piston rod is communicated with the hydraulic cavity, and the sliding piece can correspondingly slide, so that static sealing of the sealing element in the sliding piece is achieved.
The above is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the above-mentioned principles of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (10)
1. Quiet sealed nipple joint location and hydraulic seal interlocking system, its characterized in that: comprises a sliding part (1) and a limiting piece (2); the limiting piece (2) is embedded in one end of the sliding piece (1) and limited on the sliding piece (1).
2. The system for positioning and hydraulically sealing and interlocking a static seal sub according to claim 1, characterized in that: the hydraulic sealing structure also comprises a hydraulic sealing structure (3); the hydraulic pressure of the hydraulic sealing structure (3) is in contact with and pushes the sliding piece (1).
3. The system for positioning and hydraulically sealing the interlocking joint of the static seal according to claim 2, wherein: the hydraulic sealing structure (3) and the limiting piece (2) are arranged in an interlocking mode.
4. The system of claim 3, wherein the system comprises: the static sealing device also comprises a static sealing pipe body (4); the sliding part (1) is arranged in the static sealing pipe body (4) in a sliding manner; the sliding piece (1) is coaxially arranged with the static sealing pipe body (4) in a penetrating way.
5. The system of claim 4, wherein the system comprises: the hydraulic sealing structure (3) and the limiting piece (2) are embedded in the inner wall of the static sealing pipe body (4) at intervals.
6. The system for positioning and hydraulically sealing the interlocking joint of the static seal according to claim 5, wherein: the inner wall of the static sealing pipe body (4) is provided with an embedding hole (41) in a penetrating mode, and the hydraulic sealing structure (3) is correspondingly embedded in the embedding hole (41) in a sealing mode.
7. The system of claim 6, wherein the system comprises: a volume groove (11) is annularly formed in the side wall of the middle part of the sliding part (1); the volume groove (11) is communicated with the insertion hole (41).
8. The system of claim 7, wherein the system comprises: the hydraulic sealing structure (3) comprises a one-way valve (31); the liquid outlet end of the one-way valve (31) corresponds to the volume groove (11); the other end of the one-way valve (31) is communicated with the hydraulic pump.
9. The system for positioning and hydraulically sealing and interlocking a static seal sub according to claim 1, characterized in that: the inner wall of the static sealing pipe body (4) is provided with a mounting hole (42) in a penetrating way; the side wall of the sliding piece (1) is annularly provided with a limited semicircular groove (12), and the mounting hole (42) and the limited semicircular groove (12) are correspondingly arranged; the limiting piece (2) is correspondingly arranged in the mounting hole (42), and the limiting end of the limiting piece (2) is correspondingly clamped and embedded in the limiting semicircular groove (12).
10. The system for positioning and hydraulically sealing and interlocking a static seal sub according to claim 1, characterized in that: the limiting piece (2) comprises a piston rod (21), a hydraulic cavity (22) and a steel ball (23); the hydraulic cavity (22) is arranged in the mounting hole (42); one end of the hydraulic cavity (22) is communicated with a hydraulic pump; a piston rod (21) is arranged in the other end of the hydraulic cavity (22); one end of the piston rod (21) far away from the hydraulic cavity (22) is provided with a steel ball (23); the pressure in the hydraulic cavity (22) is increased to push the piston rod (21) to drive the steel balls (23) to move, and the steel balls (23) are partially embedded in the limited semicircular grooves (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220397131.8U CN217206383U (en) | 2022-02-25 | 2022-02-25 | Static seal short joint positioning and hydraulic seal interlocking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220397131.8U CN217206383U (en) | 2022-02-25 | 2022-02-25 | Static seal short joint positioning and hydraulic seal interlocking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217206383U true CN217206383U (en) | 2022-08-16 |
Family
ID=82752709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220397131.8U Active CN217206383U (en) | 2022-02-25 | 2022-02-25 | Static seal short joint positioning and hydraulic seal interlocking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217206383U (en) |
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2022
- 2022-02-25 CN CN202220397131.8U patent/CN217206383U/en active Active
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