CN219351247U - Back bending prevention device - Google Patents
Back bending prevention device Download PDFInfo
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- CN219351247U CN219351247U CN202320682473.9U CN202320682473U CN219351247U CN 219351247 U CN219351247 U CN 219351247U CN 202320682473 U CN202320682473 U CN 202320682473U CN 219351247 U CN219351247 U CN 219351247U
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- prevention device
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- back bending
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Abstract
The utility model discloses a back bending prevention device which is matched with a front bending prevention device of a submarine cable single-pile perforation barb mechanism for use and is fixedly connected with the front bending prevention device, wherein the front bending prevention device comprises a front bending prevention device main body and a connecting part, the back bending prevention device comprises a back bending prevention device main body, a first connecting part and a second connecting part, the first connecting part is fixedly connected with one end of the back bending prevention device main body, the second connecting part is fixedly connected with the other end of the back bending prevention device main body, and the second connecting part of the back bending prevention device is fixedly connected with the connecting part of the front bending prevention device, so that the back bending prevention device and the front bending prevention device are fixedly connected together. The rear bending-preventing device provided by the utility model has the advantages of simple structure, convenience in production, high strength and reduced abrasion.
Description
Technical Field
The application belongs to the technical field of marine wind power equipment, and particularly relates to a rear bending-preventing device.
Background
In recent years, offshore wind farms are being developed drastically at home and abroad. The submarine cable is used as a medium for offshore power transmission and plays a great role in the running process of the wind power plant. The sea cable has a suspension section from the sea bed surface to the fan foundation, is impacted by ocean currents or sand stones, is extremely easy to bend, is smaller than the minimum bending radius allowed by the sea cable, and seriously affects the service performance of the sea cable. The submarine cable needs to be protected during operation.
Thus, the submarine cable single-pile perforation barb mechanism is applied, the rear bending prevention device is one of important component parts of the submarine cable single-pile perforation barb mechanism, and the structural advantages and disadvantages of the rear bending prevention device have important influence on the application of the submarine cable single-pile perforation barb mechanism.
Disclosure of Invention
In order to solve the above-mentioned problem, this application provides a back bending prevention ware, its with the supporting use of preceding bending prevention ware of sea cable single pile perforation barb mechanism, and with preceding bending prevention ware fixed connection is in the same place, preceding bending prevention ware includes preceding bending prevention ware main part and connecting portion, back bending prevention ware includes back bending prevention ware main part, first connecting portion and second connecting portion, first connecting portion with the one end fixed connection of back bending prevention ware main part, second connecting portion with the other end fixed connection of back bending prevention ware main part, the second connecting portion of back bending prevention ware with the connecting portion fixed connection of preceding bending prevention ware together, thereby will back bending prevention ware with preceding bending prevention ware fixed connection is in the same place.
According to the rear buckling preventing device provided by the utility model, further, the rear buckling preventing device body is provided with a through hole which penetrates through the rear buckling preventing device body back and forth along the axial direction, the first connecting part is also provided with a through hole which penetrates through the first connecting part back and forth along the axial direction, the second connecting part is also provided with a through hole which penetrates through the second connecting part back and forth along the axial direction, and the through holes of the rear buckling preventing device body, the through holes of the first connecting part and the through holes of the second connecting part are mutually communicated in pairs for a submarine cable to pass through.
According to the rear bending prevention device provided by the utility model, further, the rear bending prevention device further comprises a first transition part and a second transition part, wherein the first transition part fixedly connects the rear bending prevention device main body with the second connection part, and the second transition part fixedly connects the rear bending prevention device main body with the first connection part.
According to the rear bending prevention device provided by the utility model, further, the first transition part is provided with a first transition surface and a second transition surface, and the first transition surface and the second transition surface are arc-shaped surfaces; the second transition portion has a third transition surface and a fourth transition surface, which are also arcuate surfaces.
According to the rear bending prevention device provided by the utility model, further, the inner walls of the first connecting part and the second connecting part are provided with a layer of metal insert, the first connecting part of the rear bending prevention device is fixedly connected with the connecting part of the front bending prevention device, and the inner wall of the first connecting part of the rear bending prevention device is provided with the metal insert, so that when the combined device of the rear bending prevention device and the front bending prevention device moves forwards and backwards or shakes, the metal insert on the inner wall of the first connecting part of the rear bending prevention device can reduce abrasion, and the strength of the first connecting part of the rear bending prevention device is improved.
According to the rear buckling preventing device provided by the utility model, further, the rear buckling preventing device body is of a conical structure, and the diameter of one end of the rear buckling preventing device body connected with the second connecting part is larger than that of one end of the rear buckling preventing device body connected with the first connecting part.
According to the rear buckling preventing device provided by the utility model, further, the outer diameter of the first transition part is smaller than the outer diameters of the second connecting part and the rear buckling preventing device main body, and the outer diameter of the second transition part is smaller than the outer diameters of the first connecting part and the rear buckling preventing device main body.
The rear bending prevention device is further characterized in that the rear bending prevention device is integrally formed by casting, and the rear bending prevention device is made of 96A polyurethane.
The beneficial effects of the utility model are as follows: the rear bending-preventing device provided by the utility model has the advantages of simple structure, convenience in production, high strength and reduced abrasion.
Drawings
Fig. 1 is a schematic structural view of a rear buckling preventer.
Fig. 2 is a front buckling prevention device of the submarine cable single pile perforation barb mechanism.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings by way of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, some operations associated with the present application have not been shown or described in the specification to avoid obscuring the core portions of the present application, and may not be necessary for a person skilled in the art to describe in detail the relevant operations based on the description herein and the general knowledge of one skilled in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments, and the operational steps involved in the embodiments may be sequentially exchanged or adjusted in a manner apparent to those skilled in the art. Accordingly, the description and drawings are merely for clarity of describing certain embodiments and are not necessarily intended to imply a required composition and/or order.
The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "connected," "coupled," and "connected," as used herein, unless otherwise indicated, are intended to encompass both direct and indirect connections (couplings).
Referring to fig. 1 and 2, the present utility model provides a back bending prevention device, which is applied to a submarine cable single pile perforation barb mechanism and is one of important components of the submarine cable single pile perforation barb mechanism. The rear bending prevention device is matched with the front bending prevention device of the submarine cable single-pile perforation barb mechanism.
The front bending prevention device comprises a front bending prevention device main body 11 and a connecting part 12, wherein the front bending prevention device main body 11 is provided with a through hole 110 which is communicated with the front bending prevention device main body along the axial direction, the connecting part 12 is also provided with a through hole 120 which is communicated with the front bending prevention device main body 11 along the axial direction, the through hole 110 of the front bending prevention device main body 11 is communicated with the through hole 120 of the connecting part 12, the front bending prevention device main body 11 is fixedly connected with the connecting part 12, and the through hole 110 of the front bending prevention device 11 is communicated with the through hole 120 of the connecting part 12 so as to be used for a submarine cable to pass through.
The connecting portion 12 has a first connecting hole 121, a second connecting hole 122, and a third connecting hole 123, the first connecting hole 121 and the second connecting hole 122 extend from a pipe wall of the connecting portion 12 in a radial direction toward the through hole 120 of the connecting portion 12, and the first connecting hole 121 and the second connecting hole 122 communicate with the through hole 120 of the connecting portion 12; the third connection hole 123 is provided in a central region in the axial direction of the connection portion 12, and the third connection hole 123 and the through hole 120 of the connection portion 12 are also communicated with each other.
The connecting portion 12 is used for fixedly connecting with the rear bending prevention device provided by the utility model, so that the whole front bending prevention device and the rear bending prevention device can be connected together.
In order to strengthen the connection strength between the connection portion 12 and the other parts of the submarine cable single pile perforation barb mechanism, a metal insert is provided on the outer wall of the connection portion 12. Meanwhile, the metal insert can not only strengthen the strength of the connection portion, but also reduce the degree of wear when the connection portion 12 and the rear buckling preventer are connected.
The back bending prevention device comprises a back bending prevention device main body 2, a first connecting part 1 and a second connecting part 3, wherein the first connecting part 1 is fixedly connected with one end of the back bending prevention device main body 2, and the second connecting part 3 is fixedly connected with the other end of the back bending prevention device main body 2.
Further, the rear buckling preventing body 2 has a through hole 21 penetrating the rear buckling preventing body 2 back and forth along the axial direction, the first connecting portion 1 also has a through hole 11 penetrating the first connecting portion 1 back and forth along the axial direction, the second connecting portion 3 also has a through hole 31 penetrating the second connecting portion 3 back and forth along the axial direction, and the through hole 21 of the rear buckling preventing body 2, the through hole 11 of the first connecting portion 1 and the through hole 31 of the second connecting portion 3 are mutually communicated two by two for the submarine cable to pass through.
The rear bending prevention device further comprises a first transition part 4 and a second transition part 5, the first transition part 4 is used for fixedly connecting the rear bending prevention device main body 2 with the second connecting part 3, and the second transition part 5 is used for fixedly connecting the rear bending prevention device main body 2 with the first connecting part 1.
The first transition part 4 has a first transition surface 41 and a second transition surface 42, and the first transition surface 41 and the second transition surface 42 are arc-shaped surfaces; the second transition 5 has a third transition surface 51 and a fourth transition surface 52, the third transition surface 51 and the fourth transition surface 52 also being arcuate surfaces.
The inner walls of the first connecting part 1 and the second connecting part 3 are provided with a layer of metal insert, the first connecting part 1 of the back bending prevention device is fixedly connected with the connecting part 12 of the front bending prevention device, and the inner wall of the first connecting part 1 of the back bending prevention device is provided with the metal insert, so that when the combined device of the back bending prevention device and the front bending prevention device moves or shakes forwards and backwards, the metal insert on the inner wall of the first connecting part 1 of the back bending prevention device can reduce abrasion, and the strength of the first connecting part 1 of the back bending prevention device is improved.
The rear buckling preventing body 2 has a tapered structure, and the diameter of one end of the rear buckling preventing body 2 connected to the second connecting portion 3 is larger than that of one end of the rear buckling preventing body 2 connected to the first connecting portion 1.
The outer diameter of the first transition part 4 is smaller than the outer diameters of the second connecting part 3 and the rear buckling preventing main body 2, and the outer diameter of the second transition part 5 is smaller than the outer diameters of the first connecting part 1 and the rear buckling preventing main body 2.
The rear bending prevention device is integrally formed by casting, and the manufacturing material of the rear bending prevention device is 96A polyurethane.
The rear bending-preventing device provided by the utility model has the advantages of simple structure, convenience in production, high strength and reduced abrasion.
The foregoing description of the utility model has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the utility model pertains, based on the idea of the utility model.
Claims (8)
1. The utility model provides a back bending prevention ware, its and the supporting use of preceding bending prevention ware of sea cable single pile perforation barb mechanism, and with preceding bending prevention ware fixed connection is in the same place, preceding bending prevention ware includes preceding bending prevention ware main part and connecting portion, its characterized in that, including back bending prevention ware main part, first connecting portion and second connecting portion, first connecting portion with the one end fixed connection of back bending prevention ware main part, second connecting portion with the other end fixed connection of back bending prevention ware main part, the second connecting portion of back bending prevention ware with the connecting portion fixed connection of preceding bending prevention ware together, thereby will back bending prevention ware with preceding bending prevention ware fixed connection is in the same place.
2. The back bending prevention device according to claim 1, wherein the back bending prevention device body has a through hole penetrating the back bending prevention device body back and forth along an axis direction, the first connecting portion also has a through hole penetrating the first connecting portion back and forth along the axis direction, the second connecting portion also has a through hole penetrating the second connecting portion back and forth along the axis direction, and the through holes of the back bending prevention device body, the through hole of the first connecting portion and the through hole of the second connecting portion are mutually communicated in pairs for a submarine cable to pass through.
3. The posterior buckle arrestor of claim 2, further comprising a first transition portion fixedly connecting the posterior buckle arrestor body and the second connection portion together, and a second transition portion fixedly connecting the posterior buckle arrestor body and the first connection portion together.
4. The posterior buckle arrestor of claim 3, wherein the first transition portion has a first transition surface and a second transition surface, the first transition surface and the second transition surface being arcuate surfaces; the second transition portion has a third transition surface and a fourth transition surface, which are also arcuate surfaces.
5. The back bending prevention device according to claim 4, wherein a metal insert is provided on inner walls of the first and second connection parts, the first connection part of the back bending prevention device is fixedly connected with the connection part of the front bending prevention device, and the metal insert is provided on the inner wall of the first connection part of the back bending prevention device, so that when the combined device of the back bending prevention device and the front bending prevention device moves or shakes forwards and backwards, the metal insert on the inner wall of the first connection part of the back bending prevention device can reduce abrasion, and the strength of the first connection part of the back bending prevention device is improved.
6. The rear buckling restrained according to claim 5, wherein the rear buckling restrained body is of a tapered configuration, and a diameter of an end of the rear buckling restrained body connected to the second connecting portion is larger than an end of the rear buckling restrained body connected to the first connecting portion.
7. The posterior buckle arrestor of claim 6, wherein an outer diameter of the first transition portion is less than an outer diameter of the second connection portion and the posterior buckle arrestor body, and an outer diameter of the second transition portion is less than an outer diameter of the first connection portion and the posterior buckle arrestor body.
8. The rear buckling restrained device as set forth in any of claims 1-7 wherein the rear buckling restrained device is integrally formed by casting and the rear buckling restrained device is made of 96A polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320682473.9U CN219351247U (en) | 2023-03-31 | 2023-03-31 | Back bending prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320682473.9U CN219351247U (en) | 2023-03-31 | 2023-03-31 | Back bending prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219351247U true CN219351247U (en) | 2023-07-14 |
Family
ID=87106470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320682473.9U Active CN219351247U (en) | 2023-03-31 | 2023-03-31 | Back bending prevention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219351247U (en) |
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2023
- 2023-03-31 CN CN202320682473.9U patent/CN219351247U/en active Active
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