CN214273547U - Protection device for marine drilling riser joint - Google Patents
Protection device for marine drilling riser joint Download PDFInfo
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- CN214273547U CN214273547U CN202022415435.6U CN202022415435U CN214273547U CN 214273547 U CN214273547 U CN 214273547U CN 202022415435 U CN202022415435 U CN 202022415435U CN 214273547 U CN214273547 U CN 214273547U
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Abstract
The utility model relates to a protection device for marine drilling riser joint, which comprises a joint, wherein a protective shell is arranged at the periphery of the joint, a buffer structure is arranged at the inner side of the protective shell, and two ends of the protective shell are respectively fixed at two sides of the joint through clamping structures; the protective housing includes protective housing and lower protective housing, the block structure includes buckle, lower kayser and screws up the bolt, last protective housing and lower protective housing are equipped with sealing washer and sealing strip, buffer structure is including locating the inside basic shell of protective housing, be formed with align to grid's gasbag chamber between basic shell and the protective housing, it has the cushion rubber gasbag to fill in the gasbag chamber, fixedly connected with buffer layer and buffer spring between basic shell and the joint. The sealing is carried out through the sealing ring and the sealing strip, so that liquid is prevented from leaking into the protective shell; set up buffer structure, play the duplicate protection effect through buffer rubber gasbag, buffer layer and buffer spring butt joint.
Description
Technical Field
The utility model relates to an offshore drilling engineering equipment technical field especially relates to a protection device for marine drilling riser connects.
Background
The marine drilling riser is a pipe-mounted conduit for extending a wellbore from well control equipment on a subsea wellhead to an offshore vessel, the entire riser being formed by connecting a plurality of segmented pipes, whereby the segmented risers are assembled by riser joints. Due to the complexity of the marine environment, there are also many factors that affect its dynamic characteristics. The riser vibrates under the combined action of alternating load and the internal flowing drilling fluid, and is easy to be impacted by animals and gravels in the marine environment, so that the joint and the riser are loosened, and finally the riser leaks. The marine riser joint protection device needs to be designed to prevent the joint from loosening or displacing due to impact, and improve the safety of marine drilling engineering operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a protection device for marine drilling riser connects is provided, the problem of mentioning in the above-mentioned background art is solved.
In order to solve the technical problem, the protection device for the marine drilling riser joint comprises a joint, wherein a protective shell is arranged on the periphery of the joint, a buffer structure is arranged on the inner side of the protective shell, and two ends of the protective shell are respectively fixed on two sides of the joint through clamping structures; the protective shell comprises an upper protective shell and a lower protective shell, the clamping structure comprises an upper buckle, a lower buckle and a tightening bolt, the upper buckle is fixed at two ends of the upper protective shell and is integrally formed with the upper protective shell, the lower buckle is fixed at two ends of the lower protective shell and is integrally formed with the lower protective shell, the tightening bolt is arranged on the upper buckle and the lower buckle, and the upper buckle and the lower buckle are buckled to form a complete protective shell; the upper protective shell and the lower protective shell are provided with sealing rings and sealing strips, the sealing rings are positioned on the inner sides of the semi-circumferences of the upper protective shell and the lower protective shell, and the sealing strips are arranged on the inner edges of the upper protective shell; buffer structure is including locating the inside basic shell of protecting sheathing, be formed with align to grid's gasbag chamber between basic shell and the protecting sheathing, it has the cushion rubber gasbag to fill in the gasbag chamber, fixedly connected with buffer layer and buffer spring between basic shell and the joint.
The upper protection shell and the lower protection shell are buckled together through the upper buckle and the lower buckle to form a complete protection shell, and are sealed through the sealing ring and the sealing strip, so that liquid is prevented from leaking into the protection shell; set up buffer structure, through buffering rubber gasbag, can cushion the striking of external force, prevent simultaneously through setting up buffer layer and buffer spring that external force directly acts on the joint, effectively reduce the harm of external force to the joint, play the duplicate protection effect.
As an improvement of the utility model, gasbag chamber one end opening when protecting sheathing receives external force and extrudees inwards, mutual butt between the buffering rubber gasbag. When receiving external force extrusion, the buffering rubber gasbag extrudees each other, has increased lifting surface area, and interact between the buffering rubber gasbag simultaneously with external force to dispersion all around, promotes buffering effect.
As an improvement of the present invention, the buffer layer is an elastic rubber layer.
As an improvement of the utility model, the cross-sectional area of the buffer layer is a fan ring.
As an improvement of the utility model, the sealing washer includes upper seal circle and lower seal circle, upper seal circle be located protective housing semi-circumference inboard and with upper protective housing integrated into one piece, the lower seal circle be located lower protective housing semi-circumference inboard and with lower protective housing integrated into one piece, sealing strip and upper protective housing integrated into one piece.
Compared with the prior art, the utility model has the advantages that 1) a clamping structure is arranged, the upper protection and the lower protection shell are buckled together through the upper buckle and the lower buckle to form a complete protection shell, and the sealing is carried out through the sealing ring and the sealing strip, so that the liquid is prevented from leaking into the protection shell; 2) the buffer structure is arranged, the impact of external force can be buffered through the buffer rubber air bag, and meanwhile, the buffer layer and the buffer spring are arranged to prevent the external force from directly acting on the connector, so that the damage of the external force to the connector is effectively reduced, and a double-protection effect is achieved; 3) set up gasbag chamber one end opening, when receiving external force extrusion, the buffering rubber gasbag extrudees each other, has increased lifting surface area, and interact between the buffering rubber gasbag simultaneously promotes buffering effect with external force to dispersion all around.
Drawings
Fig. 1 is a schematic structural view of a protection device for marine drilling riser joint according to the present invention;
fig. 2 is a radial cross-sectional view of a protection device for marine drilling riser joints according to the present invention;
FIG. 3 is an enlarged detail view of A in FIG. 2;
FIG. 4 is an enlarged detail view of A in FIG. 2 when an external force is applied;
in the figure: 1. a joint; 2. a protective housing; 21. an upper protective shell; 22. a lower protective shell; 31. an upper buckle; 32. lower clamping and locking; 33. screwing down the bolt; 4. a seal ring; 41. an upper sealing ring; 42. a lower seal ring; 5. a sealing strip; 6. a base shell; 7. a balloon lumen; 8. a cushion rubber air bag; 9. a buffer layer; 10. a buffer spring.
The specific implementation mode is as follows:
for the purpose of enhancing the understanding of the present invention, the following detailed description is made with reference to the accompanying drawings.
Example 1: referring to fig. 1-4, a protection device for a marine drilling riser joint comprises a joint 1, wherein a protective shell 2 is arranged on the periphery of the joint, a buffer structure is arranged on the inner side of the protective shell 2, and two ends of the protective shell 2 are respectively fixed on two sides of the joint 1 through clamping structures; the protective shell 2 comprises an upper protective shell 21 and a lower protective shell 22, the clamping structure comprises an upper buckle 31, a lower buckle 32 and a tightening bolt 33, the upper buckle 31 is fixed at two ends of the upper protective shell 21 and integrally formed with the upper protective shell 21, the lower buckle 32 is fixed at two ends of the lower protective shell 22 and integrally formed with the lower protective shell 22, the tightening bolt 33 is arranged on the upper buckle 31 and the lower buckle 32, and the upper buckle 31 and the lower buckle 32 are buckled to form the complete protective shell 2; the upper protective shell 21 and the lower protective shell 22 are provided with a sealing ring 4 and a sealing strip 5, the sealing ring 4 is positioned on the inner side of the semi-circle of the upper protective shell 21 and the lower protective shell 22, and the sealing strip 5 is arranged on the inner edge of the upper protective shell 21; buffer structure is formed with align to grid's gasbag chamber 7 including locating the inside base shell 6 of protecting sheathing between base shell 6 and protecting sheathing 2, and it has buffer rubber gasbag 8 to fill in gasbag chamber 7, base shell 6 and connect fixedly connected with buffer layer 9 and buffer spring 10 between 1.
The upper protection shell and the lower protection shell are buckled together through the upper buckle and the lower buckle to form a complete protection shell, and are sealed through the sealing ring and the sealing strip, so that liquid is prevented from leaking into the protection shell; set up buffer structure, through buffering rubber gasbag, can cushion the striking of external force, prevent simultaneously through setting up buffer layer and buffer spring that external force directly acts on the joint, effectively reduce the harm of external force to the joint, play the duplicate protection effect.
One end of the air bag cavity 7 is opened, and when the protective shell 2 is pressed inwards by external force, the buffer rubber air bags 8 are mutually abutted. When receiving external force extrusion, the buffering rubber gasbag extrudees each other, has increased lifting surface area, and interact between the buffering rubber gasbag simultaneously with external force to dispersion all around, promotes buffering effect.
The buffer layer 9 is an elastic rubber layer.
The cross-sectional area of the buffer layer 9 is a sector ring.
The seal ring 4 includes an upper seal ring 41 and a lower seal ring 42, the upper seal ring 41 is located on the inner side of the half circumference of the upper protective shell 21 and is integrally formed with the upper protective shell 21, the lower seal ring 42 is located on the inner side of the half circumference of the lower protective shell 22 and is integrally formed with the lower protective shell 22, and the seal strip 5 is integrally formed with the upper protective shell 21.
Finally, it should be noted that: the technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (5)
1. A protection device for marine drilling riser joint, characterized in that: the connector comprises a connector (1), wherein a protective shell (2) is arranged on the periphery of the connector, a buffer structure is arranged on the inner side of the protective shell (2), and two ends of the protective shell (2) are fixed on two sides of the connector (1) respectively through clamping structures; the protective shell (2) comprises an upper protective shell (21) and a lower protective shell (22), the clamping structure comprises an upper buckle (31), a lower buckle (32) and a tightening bolt (33), the upper buckle (31) is fixed at two ends of the upper protective shell (21) and integrally formed with the upper protective shell (21), the lower buckle (32) is fixed at two ends of the lower protective shell (22) and integrally formed with the lower protective shell (22), the tightening bolt (33) is arranged on the upper buckle (31) and the lower buckle (32), and the upper buckle (31) and the lower buckle (32) are buckled to form a complete protective shell (2); the upper protection shell (21) and the lower protection shell (22) are provided with sealing rings (4) and sealing strips (5), the sealing rings (4) are located on the inner sides of the semi-circumferences of the upper protection shell (21) and the lower protection shell (22), and the sealing strips (5) are arranged on the inner edges of the upper protection shell (21); buffer structure is including locating inside basic shell (6) of protecting sheathing, be formed with align to grid's gasbag chamber (7) between basic shell (6) and protecting sheathing (2), it has cushion rubber gasbag (8) to fill in gasbag chamber (7), fixedly connected with buffer layer (9) and buffer spring (10) between basic shell (6) and joint (1).
2. A protection device for marine drilling riser joint according to claim 1, characterized in that: gasbag chamber (7) one end opening, when protecting sheathing (2) receive external force to the inside extrusion, mutual butt between buffering rubber gasbag (8).
3. A protection device for marine drilling riser joint according to claim 1, characterized in that: the buffer layer (9) is an elastic rubber layer.
4. A protection device for marine drilling riser joint according to claim 1, characterized in that: the cross section area of the buffer layer (9) is a fan ring.
5. A protection device for marine drilling riser joint according to claim 1, characterized in that: sealing washer (4) are including last sealing washer (41) and lower sealing washer (42), go up sealing washer (41) be located protective housing (21) semicircle inboard and with last protective housing (21) integrated into one piece, lower sealing washer (42) be located protective housing (22) semicircle inboard down and with protective housing (22) integrated into one piece down, sealing strip (5) and last protective housing (21) integrated into one piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022415435.6U CN214273547U (en) | 2020-10-27 | 2020-10-27 | Protection device for marine drilling riser joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022415435.6U CN214273547U (en) | 2020-10-27 | 2020-10-27 | Protection device for marine drilling riser joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214273547U true CN214273547U (en) | 2021-09-24 |
Family
ID=77772871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022415435.6U Active CN214273547U (en) | 2020-10-27 | 2020-10-27 | Protection device for marine drilling riser joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214273547U (en) |
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2020
- 2020-10-27 CN CN202022415435.6U patent/CN214273547U/en active Active
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