CN215857815U - Sealing diaphragm for jacket platform skirt pile sleeve - Google Patents
Sealing diaphragm for jacket platform skirt pile sleeve Download PDFInfo
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- CN215857815U CN215857815U CN202121036148.2U CN202121036148U CN215857815U CN 215857815 U CN215857815 U CN 215857815U CN 202121036148 U CN202121036148 U CN 202121036148U CN 215857815 U CN215857815 U CN 215857815U
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- flange
- flange ring
- diaphragm
- bead
- jacket platform
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Abstract
The utility model discloses a sealing diaphragm for a jacket platform skirt pile sleeve, which comprises a diaphragm main body, wherein a bead-shaped flange is arranged at the outer edge of the diaphragm main body, a central hole is formed in the axis of the bead-shaped flange in a penetrating manner, a steel ball is arranged inside the central hole, flange rings are arranged at the top and the bottom of the bead-shaped flange, an annular groove is formed in the contact surface of the flange rings and the bead-shaped flange, a through hole is formed in each flange ring, a bolt is arranged inside each through hole, a nut is arranged at one end of each bolt, and a sleeve is arranged at the top of each flange ring; this a sealed diaphragm for jacket platform skirt pile sleeve can reach sealed respond well through setting up diaphragm main part, pearl shape flange, central hole, steel ball, flange ring, annular groove, through-hole, bolt, nut, intensity height, can bear the water purification pressure of several hundred meters, and the steel pile transfers the effect that the in-process easily punctures, has good application prospect.
Description
Technical Field
The utility model relates to the technical field of packing systems, in particular to a sealing diaphragm for a jacket platform skirt pile sleeve.
Background
The development of offshore oil is one of national ocean strong strategy, and the jacket platform is the main equipment for deep sea oil and gas development. The jacket platform has high onshore prefabrication degree, relatively short offshore construction period, continuous and safe oil and gas transmission by a submarine pipeline and no influence of severe marine environment. Skirt pile sleeves are key components in jacket equipment, and a plurality of different functional rubber elements installed in the sleeves are key for the function of the sleeves. The sealing diaphragm is used for sealing the platform pile leg and the skirt pile sleeve, so that the buoyancy requirement of the conduit frame in the offshore installation process is ensured, the pile driving work is not hindered after the conduit frame is in place, and the conduit frame has certain pressure bearing capacity; the diaphragm packer is connected to the pile leg and the skirt pile sleeve in a flange mode, and sealing effect is achieved.
The prior art has the following defects or problems:
1. at present, the domestic research on the lack of a system of the sealing diaphragm is generally carried out by adopting an empirical method in the structural design and the material design of the sealing diaphragm, and the modified polyester material PET is adopted as a film body in the patent 'a double-film pressure reducing device', but the polyester PET material has the defects of high water absorption rate, drying before processing, poor toughness and the like;
2. in the patent watertight motor and underwater power device, the diaphragm is made of austenitic stainless steel, but the austenitic stainless steel has poor pressure bearing capacity and unsatisfactory sealing effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a sealing diaphragm for a jacket platform skirt pile sleeve to solve the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a be used for telescopic sealed diaphragm of jacket platform skirt pile, includes the diaphragm main part, the outer fringe of diaphragm main part is provided with pearl shape flange, the axle center department of pearl shape flange runs through and is equipped with central hole, the inside of central hole is provided with the steel ball, the top and the bottom of pearl shape flange are provided with the flange ring, the flange ring is provided with the annular groove with the contact surface of pearl shape flange, the inside of flange ring is provided with the through-hole, the inside of through-hole is provided with the bolt, the one end of bolt is provided with the nut, the top of flange ring is provided with the sleeve.
As the preferable technical scheme of the utility model, the diaphragm main body is in a circular arch shape and is a main pressure-bearing part, and the diaphragm main body is made of natural rubber and nylon fabric through integral vulcanization.
As a preferable technical scheme, the bead-shaped flange is fixedly connected with the diaphragm main body, and the steel balls are placed in the bead-shaped flange.
As a preferable technical scheme of the utility model, the annular groove on the surface of the flange ring is matched with the bead-shaped flange, and the contact outer edge of the flange ring and the diaphragm main body is provided with a chamfer.
As the preferred technical scheme of the utility model, the number of the through holes is a plurality of groups, and the size of the inner wall of each through hole is matched with the size of the outer wall of the bolt in a photo mode.
As a preferred technical scheme of the utility model, the number of the bolts is a plurality of groups, the number of the nuts is a plurality of groups, and the bolts are in threaded connection with the nuts.
As a preferred technical scheme of the utility model, the flange ring is divided into an upper flange ring and a lower flange ring, the upper flange ring and the lower flange ring are fixedly connected through bolts and nuts, and the sleeve is fixedly connected with the flange ring.
Compared with the prior art, the utility model provides a sealing diaphragm for a jacket platform skirt pile sleeve, which has the following beneficial effects:
1. the sealing diaphragm for the jacket platform skirt pile sleeve is provided with a diaphragm main body, a bead-shaped flange, a flange and an annular groove, wherein the diaphragm main body is in a circular arch shape, the force is uniformly dispersed to the outer edge when the structure is pressed, the outer edge of the diaphragm main body is fixed through the bead-shaped flange and the flange, the bearing capacity of the diaphragm body is improved, the arch-shaped structure is easy to puncture in the process of putting a steel pile down, the bead-shaped flange is arranged on the outer edge of the diaphragm main body, the annular groove is formed in a flange ring, the bead-shaped flange is placed in the annular groove, so that the diaphragm is more firmly fixed along the edge, the diaphragm installation accuracy is greatly improved, and a chamfer is arranged on the outer edge of the flange ring, which is in contact with the diaphragm main body, so that the diaphragm main body is prevented from being damaged by edges when the flange is pressed;
2. this a sealed diaphragm for jacket platform skirt pile sleeve, through setting up the diaphragm main part, the pearl shape flange, the steel ball, the inside steel ball that is equipped with of pearl shape flange, pearl shape flange deformation when preventing the pressurized, increase the fastness and improve seal structure's leakproofness, diaphragm main part material is formed by natural rubber and the whole vulcanization of nylon fabric, the two adhesion properties is good, the nylon fabric has and bears, the effect of dispersion and conduction stress, show the intensity and the fatigue resistance that have improved the material, and make the material keep overall dimension's ability increase, keep its dome structure.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is an enlarged schematic view of the structure of the present invention A.
In the figure: 1. a diaphragm body; 2. a bead-shaped flange; 3. a central hole; 4. steel balls; 5. a flange ring; 6. an annular groove; 7. a through hole; 8. a bolt; 9. a nut; 10. a sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, in this embodiment: the utility model provides a be used for telescopic sealed diaphragm of jacket platform skirt pile, including diaphragm main part 1, the outer fringe of diaphragm main part 1 is provided with pearl shape flange 2, the axle center department of pearl shape flange 2 runs through and is equipped with central hole 3, the inside of central hole 3 is provided with steel ball 4, the top and the bottom of pearl shape flange 2 are provided with flange ring 5, flange ring 5 is provided with annular groove 6 with the contact surface of pearl shape flange 2, the inside of flange ring 5 is provided with through-hole 7, the inside of through-hole 7 is provided with bolt 8, bolt 8's one end is provided with nut 9, flange ring 5's top is provided with sleeve 10.
In the embodiment, the diaphragm main body 1 is in a circular arch shape and is a main pressure-bearing part, the diaphragm main body 1 is integrally vulcanized by natural rubber and nylon fabric, the structure of the diaphragm main body 1 is in the circular arch shape, so that the force is uniformly dispersed towards the outer edge when the structure is pressed, the bearing capacity of the diaphragm body is improved, the arch structure is easy to puncture in the process of putting down a steel pile, the diaphragm main body 1 is integrally vulcanized by the natural rubber and the nylon fabric, the bonding performance of the natural rubber and the nylon fabric is good, the nylon fabric has the functions of bearing, dispersing and conducting stress, the strength and the fatigue resistance of the material are obviously improved, the capacity of keeping the overall dimension of the material is improved, and the circular arch structure of the material is kept; the bead-shaped flange 2 is fixedly connected with the diaphragm main body 1, the steel balls 4 are placed in the bead-shaped flange 2, the outer edge of the diaphragm main body 1 is fixed through the bead-shaped flange 2 and the flange ring 5, the bearing capacity of the diaphragm body is improved, the steel balls 4 are arranged in the bead-shaped flange 2, the bead-shaped flange 2 is prevented from deforming when being pressed, the firmness is improved, and the sealing performance of the sealing structure is improved; the annular groove 6 on the surface of the flange ring 5 is matched with the bead-shaped flange 2, the chamfer is arranged on the outer edge of the flange ring 5, which is in contact with the diaphragm main body 1, and the bead-shaped flange 2 is placed in the annular groove 6, so that the diaphragm is more firmly fixed along the edge and the mounting accuracy of the diaphragm is greatly improved, and the chamfer is arranged on the outer edge of the flange ring 5, which is in contact with the diaphragm main body 1, so that the diaphragm main body 1 is prevented from being damaged by edges and corners when being pressed; the number of the through holes 7 is a plurality of groups, and the size of the inner wall of each through hole 7 is matched with the size of the outer wall of the bolt 8 in size; the number of the bolts 8 is a plurality of groups, the number of the nuts 9 is a plurality of groups, the bolts 8 are in threaded connection with the nuts 9, and the flange ring 5 can be fixed through the bolts 8 and the nuts 9; the flange ring 5 is divided into an upper flange ring and a lower flange ring, the upper flange ring and the lower flange ring are fixedly connected through a bolt 8 and a nut 9, the sleeve 10 is fixedly connected with the flange ring 5, and the diaphragm main body 1 can be fixed through the flange ring 5.
The working principle and the using process of the utility model are as follows: a sealing diaphragm for a jacket platform skirt pile sleeve is characterized in that when the sealing diaphragm is used, a bead-shaped flange 2 provided with steel balls 4 is fixedly connected with a diaphragm main body 1, the bead-shaped flange 2 is placed in an annular groove 6 at the lower part of a flange ring 5, the upper part of the flange ring 5 is arranged at a symmetrical position at the lower part of the flange ring 5, the flange ring 5 is fixed through bolts 8 and nuts 9 after the flange ring 5 is arranged, the diaphragm is connected to a pile leg and a skirt sleeve 10 in a flange mode, the outer wall and the inner wall of the skirt sleeve 10 are fixed with the flange ring 5 in a spot welding mode, when the inner wall of the skirt sleeve 10 and the flange ring 5 are subjected to spot welding, the diaphragm main body 1 is protected through a fireproof blanket, the diaphragm main body 1 is integrally vulcanized by natural rubber and nylon fabric, the natural rubber has the characteristics of high elasticity and high elongation, and the rubber and nylon fiber composite material can effectively improve the strength of rubber products, fatigue resistance, tear and stretch properties. In the rubber/nylon fiber composite product, the fiber is used as a framework material and mainly plays the roles of bearing, dispersing and conducting stress, and the capacity of keeping the appearance size can be increased, the sealing diaphragm is used for sealing the platform leg column and the skirt pile sleeve 10, ensures the buoyancy requirement of the conduit frame in the offshore installation process, and requires that the piling work cannot be hindered after the conduit frame is in place, namely the bearing capacity, the diaphragm packings are connected to the pile legs and the skirt pile sleeves 10 in a flange mode to realize the sealing effect, therefore, the high-strength reinforced rubber and the fabric are integrally vulcanized, the sleeve 10 can bear deep sea hydrostatic pressure corresponding to different installation depths in the installation process of the sleeve, and can be easily punctured in the process of lowering the steel pile.
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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 (7)
1. A sealing diaphragm for jacket platform skirt pile sleeve, characterized in that: including diaphragm main part (1), the outer fringe of diaphragm main part (1) is provided with pearl shape flange (2), the axle center department of pearl shape flange (2) runs through and is equipped with central hole (3), the inside of central hole (3) is provided with steel ball (4), the top and the bottom of pearl shape flange (2) are provided with flange ring (5), flange ring (5) are provided with annular groove (6) with the contact surface of pearl shape flange (2), the inside of flange ring (5) is provided with through-hole (7), the inside of through-hole (7) is provided with bolt (8), the one end of bolt (8) is provided with nut (9), the top of flange ring (5) is provided with sleeve (10).
2. A sealing membrane for a jacket platform skirt pile sleeve according to claim 1, wherein: the diaphragm main body (1) is of a circular arch structure and is a main pressure-bearing part.
3. A sealing membrane for a jacket platform skirt pile sleeve according to claim 1, wherein: the bead-shaped flange (2) is fixedly connected with the diaphragm main body (1), and the steel balls (4) are placed in the bead-shaped flange (2).
4. A sealing membrane for a jacket platform skirt pile sleeve according to claim 1, wherein: the ring-shaped groove (6) on the surface of the flange ring (5) is matched with the bead-shaped flange (2), and a chamfer is arranged on the contact outer edge of the flange ring (5) and the diaphragm main body (1).
5. A sealing membrane for a jacket platform skirt pile sleeve according to claim 1, wherein: the number of the through holes (7) is a plurality of groups, and the size of the inner wall of each through hole (7) is matched with the size of the outer wall of each bolt (8) in a photo mode.
6. A sealing membrane for a jacket platform skirt pile sleeve according to claim 1, wherein: the number of the bolts (8) is a plurality of groups, the number of the nuts (9) is a plurality of groups, and the bolts (8) are in threaded connection with the nuts (9).
7. A sealing membrane for a jacket platform skirt pile sleeve according to claim 1, wherein: the flange ring (5) is divided into an upper flange ring and a lower flange ring, the upper flange ring and the lower flange ring are fixedly connected through bolts (8) and nuts (9), and the sleeve (10) is fixedly connected with the flange ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121036148.2U CN215857815U (en) | 2021-05-14 | 2021-05-14 | Sealing diaphragm for jacket platform skirt pile sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121036148.2U CN215857815U (en) | 2021-05-14 | 2021-05-14 | Sealing diaphragm for jacket platform skirt pile sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215857815U true CN215857815U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121036148.2U Active CN215857815U (en) | 2021-05-14 | 2021-05-14 | Sealing diaphragm for jacket platform skirt pile sleeve |
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| CN (1) | CN215857815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808896A (en) * | 2022-03-24 | 2022-07-29 | 中国海洋石油集团有限公司 | Deep sea is with packing diaphragm |
-
2021
- 2021-05-14 CN CN202121036148.2U patent/CN215857815U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808896A (en) * | 2022-03-24 | 2022-07-29 | 中国海洋石油集团有限公司 | Deep sea is with packing diaphragm |
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