CN214993686U - Diaphragm type rubber packer - Google Patents
Diaphragm type rubber packer Download PDFInfo
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- CN214993686U CN214993686U CN202120610620.2U CN202120610620U CN214993686U CN 214993686 U CN214993686 U CN 214993686U CN 202120610620 U CN202120610620 U CN 202120610620U CN 214993686 U CN214993686 U CN 214993686U
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Abstract
The utility model discloses a belong to marine pile foundation formula platform engineering installation technical field, specifically be a diaphragm type rubber packer, its technical scheme is: including interior casing ply, the upper portion of interior casing ply is provided with the strengthening layer, casing ply upper portion outer fringe side including the strengthening layer sets up, the circular steel ring of winding type is wrapped up to the strengthening layer inner edge, the outer fringe parcel of interior casing ply and strengthening layer has the polygon steel ring, the upper portion surface of interior casing ply and strengthening layer is provided with outer the covering and glues, the circular steel ring lateral part subsides of winding shape have interior triangle to glue the core, the beneficial effects of the utility model are that: the utility model discloses rationally set up the number of piles of interior casing ply in the design, the combination systematical nature of interior casing ply and strengthening layer has improved the intensity of product, and the circular shape of geometry of the circular steel ring of winding type sets up, and the setting of interior triangle rubber core, the setting of outer triangle rubber core have optimized the atress distribution of cord equally, have obvious gain effect to the improvement of product system intensity.
Description
Technical Field
The utility model relates to an offshore pile foundation formula platform engineering installation technical field, concretely relates to diaphragm type rubber packer.
Background
The pile foundation type platform mainly comprises a steel pile, a jacket and a platform; the jacket is a main part for transferring load in the offshore oil platform, and the main body of the jacket is a steel truss structure which is a fixed foundation of the offshore oil platform; the skirt pile sleeve is a connecting member between the pile and the jacket, and the main structure is a combination form of a tube and a plate, so that the platform load can be transferred to the steel pile; the diaphragm packers are used for sealing the upper end and the lower end of the skirt pile sleeve, and in order to increase the buoyancy of the jacket during towing of the jacket, the skirt pile sleeve is generally sealed by the diaphragm packers; when the pile foundation is in place, the sealing membrane is firstly punctured before pile foundation construction, and the pile foundation can be driven into the foundation through the skirt pile sleeve.
With the development requirements of offshore wind power and oil gas resources, ocean engineering construction is widely developed, and the existing pile foundation type platform is the most widely applied type of offshore oil and power development; the installation depth of the platform is developed from dozens of meters offshore to nearly five hundred meters; in the towing process of the jacket, nitrogen is filled into the skirt pile sleeve, and the sealed annular space is sealed by the packer to increase the buoyancy of the jacket; the diaphragm packer matched with the skirt pile sleeve is used, when the water depth is four hundred meters in deep sea, the sealing element bears 4.0MPa of seawater pressure and also bears the weathering effect in the jacket construction and hauling process.
The existing packer used for the pile foundation type platform is lack of stable and reliable goods shelf products under the working condition of ocean deep sea; the existing product is mainly used for improving the number of material layers to meet the requirement of high-pressure resistance in large water depth, and the engineering mechanical strength of the product is improved; at present, more structures are arranged in different thicknesses, the defects of the structures are that the structures are easy to thicken in a concentrated mode at the geometric centroid of a product or the outer edge of the product, the first layer of material and the last layer of material of the thickened product have great difference no matter the length of a curve and the geometric shape of the curve, the engineering mechanical strength of the final product cannot be improved linearly, and the development of a pile foundation type platform to the deep sea is severely limited.
Therefore, it is necessary to develop a diaphragm type rubber packer.
Disclosure of Invention
Therefore, the utility model provides a diaphragm type rubber packer through selecting polymer fiber material, increases the reinforcing layer structure in the product design to improve the intensity utilization ratio of material, rather than the way of improving material thickness, solved the technical problem that the product met in the development process.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a diaphragm type rubber packer, includes inner frame layer, inner frame layer's upper portion is provided with the strengthening layer, the strengthening layer sets up at inner frame layer upper portion outer fringe side, the circular steel ring of winding type has been wrapped up to strengthening layer inner edge, the outer fringe parcel of inner frame layer and strengthening layer has the polygon steel ring, the upper portion surface of inner frame layer and strengthening layer is provided with outer rubber coating, the circular steel ring lateral part subsides of winding shape has interior triangle to glue the core, the outer triangle of polygon steel ring lateral part subsides has glued the core, the subsides of the circular steel ring outer fringe part of winding shape have the steel ring rubber coating.
Preferably, the inner frame layer and the reinforcing layer are made of polymer fiber materials.
Preferably, the cross sections of the inner framework layer and the reinforcing layer are bent along an arc shape, and polygonal steel rings are wrapped on the cord fabrics at the outer edges of the circumferences of the inner framework layer and the reinforcing layer.
Preferably, the inner frame layer and the reinforcing layer are made of multiple layers of high molecular fiber materials.
Preferably, the outer triangular rubber core is attached to the side part of the polygonal steel ring.
Preferably, the reinforcing layer is arranged on the outer edge side of the upper portion of the inner framework layer, and the cord fabric of the inner edge of the reinforcing layer is wrapped with a winding type circular steel ring.
Preferably, the upper surfaces of the outer coating glue, the inner framework layer and the reinforcing layer are provided with the outer coating glue.
Preferably, the surface of the lower part of the inner framework layer is provided with an inner coating adhesive.
Preferably, the inner triangular rubber core and the side part of the winding type round steel ring are attached with the inner triangular rubber core.
Preferably, the winding type round steel ring is formed by winding a single steel wire with the diameter of 0.5-1.5 mm on the outer edge of the round steel core along a regular curve.
The utility model has the advantages that:
1. the number of layers of the inner framework layer is reasonably set in the design of the utility model, and the combination systematicness of the inner framework layer and the reinforcing layer improves the strength of the product;
2. the winding type round steel ring is formed by winding a single steel wire on the outer edge of a round steel core along a regular curve, so that the defect that the bearing structure is poor in integrity after the carbon steel ring is rolled and welded is overcome, and the condition that the section area of steel is increased to ensure the welding strength is effectively avoided;
3. the geometric circular arrangement of the winding type circular steel ring, the arrangement of the inner triangular rubber core and the arrangement of the outer triangular rubber core also optimize the stress distribution of the cord thread, and have obvious gain effect on the improvement of the system strength of the product;
4. the large-scale steel pipe truss buoyancy supporting device is directly arranged on a skirt pile sleeve of a jacket, provides buoyancy for the large-scale steel pipe truss, and assists in offshore drag and drop and seabed posture adjustment and righting;
5. the structural strength of the diaphragm type rubber packer can be greatly improved, and the pressure resistance of the product in a deep ocean environment with larger water depth can be effectively adapted.
Drawings
FIG. 1 is a schematic view of the diaphragm separator of the present invention;
FIG. 2 is a schematic diagram of the framework structure of the diaphragm packer of the present invention;
fig. 3 is a schematic view of the structure of the winding type circular steel ring of the present invention.
In the figure: the steel ring reinforcement structure comprises an outer coating adhesive 1, an inner framework layer 2, an inner coating adhesive 3, a wound round steel ring 4, a single steel wire 41, a round steel core 42, an inner triangular rubber core 5, a reinforcement layer 6, an outer triangular rubber core 7, a steel ring rubber coating 8 and a polygonal steel ring 9.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to the attached drawings 1-3 in the specification, the diaphragm type rubber packer comprises an inner framework layer 2, wherein a reinforcing layer 6 is arranged on the upper portion of the inner framework layer 2, the reinforcing layer 6 is arranged on the outer edge side of the upper portion of the inner framework layer 2, a wound circular steel ring 4 is wrapped on the inner edge of the reinforcing layer 6, a polygonal steel ring 9 is wrapped on the outer edges of the inner framework layer 2 and the reinforcing layer 6, an outer coating rubber 1 is arranged on the upper surfaces of the inner framework layer 2 and the reinforcing layer 6, an inner triangular rubber core 5 is attached to the side portion of a wound circular steel ring 4, an outer triangular rubber core 7 is attached to the side portion of the polygonal steel ring 9, and a steel ring rubber coating 8 is attached to the outer edge portion of the wound circular steel ring 4.
Further, the inner framework layer 2 and the reinforcing layer 6 are made of polymer fiber materials; the polymer fiber material is one or more of aramid fiber, nylon, carbon fiber and polyamide.
Furthermore, the sections of the inner framework layer 2 and the reinforcing layer 6 are bent along an arc shape, and the cord fabric on the outer edges of the circumferences of the inner framework layer 2 and the reinforcing layer 6 is wrapped with a polygonal steel ring 9.
Further, the inner framework layer 2 and the reinforcing layer 6 are made of a plurality of layers of polymer fiber materials; the rubber-coated curtain cloth is formed after the high polymer fiber material rubber coating is compounded, the rubber-coated curtain cloth is cut into long strips, certain length and width are set, each rubber-coated curtain cloth is radially distributed to the outer edge of the circumference in a fitting mode through the geometric circle center of a packer, a plurality of rubber-coated curtain cloth layers are fitted to form one layer on the packer structure and are arranged to be in a geometric circular characteristic, the width of the long strip rubber-coated curtain cloth is set to be any numerical value between one fifteenth and one fourth of the maximum outer edge diameter of the packer, and the fitting angle between each rubber-coated curtain cloth is set to be any numerical value between three degrees and ninety degrees.
Further, an outer triangular rubber core 7 is attached to the side portion of the polygonal steel ring 9.
Further, the reinforcing layer 6 is arranged on the outer edge side of the upper portion of the inner framework layer 2, and the cord fabric of the inner edge of the reinforcing layer 6 is wrapped by the winding type circular steel ring 4.
Further, the upper surfaces of the outer coating glue 1, the inner frame layer 2 and the reinforcing layer 6 are provided with the outer coating glue 1.
Further, the surface of the lower part of the inner framework layer 2 is provided with an inner coating rubber 3.
Further, the inner triangular rubber core 5 is attached to the side portions of the inner triangular rubber core 5 and the winding type circular steel ring 4.
Furthermore, the winding type round steel ring 4 is formed by winding a single steel wire 41 with the diameter of 0.5-1.5 mm on the outer edge of the round steel core 42 along a regular curve.
The implementation scenario is specifically as follows: when in use, the utility model is used for sealing the upper and lower ends of the skirt pile sleeve. The skirt pile casing main body is of a steel pipe structure, a snap ring flange at the upper end of the skirt pile casing is clamped and assembled with a polygonal steel ring 9 of one diaphragm type rubber packer product, and a snap ring flange at the upper end of the skirt pile casing is clamped and assembled with a polygonal steel ring 9 of the other diaphragm type rubber packer product; the retaining ring flange is compressed with a wrapping clamp of a steel ring rubber coating 8 to form a sealing structure, the skirt pile sleeve and the diaphragm type rubber packer form a closed cavity, and nitrogen is filled in the skirt pile sleeve; in the deep sea submergence process, the hydrostatic pressure born by the diaphragm type rubber packer is linearly increased; the reinforcing layer 6 is attached to the weak stress position of the framework layer 2, stress of all positions of a product is uniformly configured due to the arrangement of the reinforcing layer 6, each layer of the inner framework layer 2 and the reinforcing layer 6 is made of a plurality of pieces of curtain cloth which are attached and form a radial paving structure, the stretching direction of a high polymer material is consistent with the stress direction when the product is stressed, and the strength of the material is fully utilized; in order to avoid the phenomenon that the number of layers of the geometric centroid materials in the middle of the product is greatly increased, the rubber-coated cord fabric on the inner edge of the reinforcing layer 6 is wrapped by the winding type circular steel ring 4, the number of layers of the geometric centroid materials of the product is greatly reduced due to the arrangement of the winding type circular steel ring 4, and the thickness of the product is greatly reduced while the strength of the product is improved by the aid of the design system.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (10)
1. A diaphragm type rubber packer comprising an inner carcass layer (2), characterized in that: the upper portion of interior casing layer (2) is provided with strengthening layer (6), the outer fringe side in casing layer (2) upper portion is set up in strengthening layer (6), strengthening layer (6) inner edge parcel has winding type circular steel ring (4), the outer fringe parcel of interior casing layer (2) and strengthening layer (6) has polygon steel ring (9), the upper portion surface of interior casing layer (2) and strengthening layer (6) is provided with outer coating (1), the circular steel ring of winding shape (4) lateral part subsides have interior triangle rubber core (5), outer triangle rubber core (7) have been posted to polygon steel ring (9) lateral part subsides, the circular steel ring of winding shape (4) outer fringe portion subsides cover has steel ring rubber coating (8).
2. The diaphragm-type rubber packer of claim 1, wherein: the inner framework layer (2) and the reinforcing layer (6) are made of polymer fiber materials.
3. The diaphragm-type rubber packer of claim 1, wherein: the cross sections of the inner framework layer (2) and the reinforcing layer (6) are bent along an arc shape, and polygonal steel rings (9) are wrapped on the cord fabric on the outer edges of the circumferences of the inner framework layer (2) and the reinforcing layer (6).
4. The diaphragm-type rubber packer of claim 1, wherein: the inner framework layer (2) and the reinforcing layer (6) are made of multi-layer high molecular fiber materials, the width of the strip-shaped rubberized curtain cloth is set to be any value between fifteen-one and one-fourth of the maximum outer edge diameter of the product, and the joint angle between every two pieces of rubberized curtain cloth is set to be any value between three degrees and ninety degrees.
5. The diaphragm-type rubber packer of claim 1, wherein: an outer triangular rubber core (7) is attached to the side part of the polygonal steel ring (9).
6. The diaphragm-type rubber packer of claim 1, wherein: the reinforcing layer (6) is arranged on the outer edge side of the upper portion of the inner framework layer (2), and the cord fabric of the inner edge of the reinforcing layer (6) is wrapped by a winding type circular steel ring (4).
7. The diaphragm-type rubber packer of claim 1, wherein: the upper surfaces of the outer coating glue (1), the inner framework layer (2) and the reinforcing layer (6) are provided with the outer coating glue (1).
8. The diaphragm-type rubber packer of claim 1, wherein: the surface of the lower part of the inner framework layer (2) is provided with an inner coating rubber (3).
9. The diaphragm-type rubber packer of claim 1, wherein: the inner triangular rubber core (5) is attached to the side parts of the inner triangular rubber core (5) and the winding type circular steel ring (4).
10. The diaphragm-type rubber packer of claim 1, wherein: the winding type round steel ring (4) is formed by winding a single steel wire (41) with the diameter of 0.5-1.5 phi on the outer edge of a round steel core (42) along a regular curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120610620.2U CN214993686U (en) | 2021-03-26 | 2021-03-26 | Diaphragm type rubber packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120610620.2U CN214993686U (en) | 2021-03-26 | 2021-03-26 | Diaphragm type rubber packer |
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| Publication Number | Publication Date |
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| CN214993686U true CN214993686U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120610620.2U Active CN214993686U (en) | 2021-03-26 | 2021-03-26 | Diaphragm type rubber packer |
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| CN (1) | CN214993686U (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
- 2021-03-26 CN CN202120610620.2U patent/CN214993686U/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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