CN219039449U

CN219039449U - Protection device for rush-repair connector box

Info

Publication number: CN219039449U
Application number: CN202223517335.XU
Authority: CN
Inventors: 周阳; 王文东
Original assignee: Suzhou Grei Marine Engineering Equipment Co ltd
Current assignee: Suzhou Grei Marine Engineering Equipment Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-16
Anticipated expiration: 2032-12-28

Abstract

The application discloses a first-aid repair connector box protection device, which comprises bending limiters and a protection device main body, wherein the number of the bending limiters is 2, and the 2 bending limiters are respectively and fixedly connected with two ends of the protection device main body; the protection device main body is provided with an inner cavity, a glue filling port is formed in the outer wall of the protection device main body, and the glue filling port is in fluid communication with the inner cavity. The utility model provides a protection device for a first-aid repair joint box, which is internally filled with sealant, so that seawater can be prevented from entering an optical cable joint box to corrode, and on the other hand, the protection device for the first-aid repair joint box is made of stainless steel, and can prevent seawater from corroding and can prevent reef from striking, so that the optical cable joint box is prevented from being damaged.

Description

Protection device for rush-repair connector box

Technical Field

The application belongs to the technical field of submarine cable protection equipment, and particularly relates to a first-aid repair connector box protection device.

Background

The optical cable joint box is characterized in that two or more optical cables welded by a fiber welding machine are placed one by one according to a standard sequence, redundant parts are coiled in the box according to an inverted 8 shape, the coiling radius is not less than 4cm (the optical fibers are prevented from being broken), and the coiling is required to be tidy. The optical cable joint box has the function of a connecting part of a protection part, is one of very important equipment which is necessary to be adopted by an optical fiber welding part in the engineering construction of an optical cable line, and the quality of the optical cable joint box directly influences the quality of the optical cable line and the service life of the optical cable line.

Currently, offshore wind power is greatly developed, and submarine cables are one of important equipment of the offshore wind power. Cable splice boxes are often used when cables are laid on the ocean floor, but due to the complex ocean floor environment, strong seawater corrosiveness, the presence of submerged reef clusters, the cable splice boxes are corroded by seawater or broken by reefs. Accordingly, there is a need for an optical cable closure protection device.

Disclosure of Invention

In order to solve the problems, the application provides a first-aid repair connector box protection device, which comprises bending limiters and a protection device body, wherein the number of the bending limiters is 2, and the 2 bending limiters are respectively and fixedly connected with two ends of the protection device body; the protection device main body is provided with an inner cavity, a glue filling port is formed in the outer wall of the protection device main body, and the glue filling port is in fluid communication with the inner cavity.

Preferably, the bend limiter is made of polyurethane.

Preferably, the optical cable joint box is arranged in the inner cavity of the protecting device main body, and two ends of the protecting device main body are communicated, so that the optical cable penetrates out of the two ends of the protecting device main body.

Preferably, the protection device body further includes an inner convex tube accommodated in the inner cavity of the protection device body, the inner convex tube extending from both ends of the protection device body toward the middle of the protection device body, the inner convex tube having a through hole penetrating through itself in an axial direction, an inner diameter of the inner convex tube being the same as an inner diameter of the protection device body in size, such that the through hole of the inner convex tube coincides with the through hole of the protection device body.

Preferably, the device further comprises a sealing assembly and a through pipe, wherein the sealing assembly is fixedly arranged on the inner convex pipe, the through pipe is inserted from the bending limiter and sequentially penetrates through the protecting device main body, the inner convex pipe and then penetrates out of the bending limiter fixedly connected with the other end of the protecting device main body, and the sealing assembly is used for sealing a gap between the inner convex pipe and the through pipe.

Preferably, the sealing assembly comprises a pressing plate, sealing steel wires and a pressing hoop, one end of each sealing steel wire is distributed on the outer wall of the inner convex pipe, the other end of each sealing steel wire is inserted into a gap between the inner convex pipe and the through pipe, then the sealing steel wires are tightly propped against the pressing plate along the length direction of the inner convex pipe, and the sealing steel wires distributed on the outer wall of the inner convex pipe are tightly locked by the pressing hoop on the other side, so that the purpose of sealing the gap between the inner convex pipe and the through pipe is achieved.

Preferably, the protection device main body 2 is made of stainless steel material.

The beneficial effects of the utility model are as follows: the utility model provides a protection device for a first-aid repair joint box, which is internally filled with sealant, so that seawater can be prevented from entering an optical cable joint box to corrode, and on the other hand, the protection device for the first-aid repair joint box is made of stainless steel, and can prevent seawater from corroding and can prevent reef from striking, so that the optical cable joint box is prevented from being damaged.

Drawings

Fig. 1 is a schematic structural diagram of a protection device for a first-aid repair connector box according to an embodiment of the utility model.

Fig. 2 is a cross-sectional view of a first-aid repair joint box protection device according to an embodiment of the utility model along an axial direction.

Fig. 3 is an enlarged view of a seal assembly of a protection device for a repair splice closure according to an embodiment of the present utility model.

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).

As shown in fig. 1 and 2, the present application provides a protection device for a first-aid repair connector, which includes a bending limiter 1 and a protection device main body 2, where the number of the bending limiters 1 is 2, and 2 bending limiters 1 are respectively and fixedly connected with two ends of the protection device main body 2. The bending limiter 1 and the protecting device main body 2 are fixedly connected in various manners, such as screw connection, bonding, welding, riveting, clamping and the like. In this application, the bending limiter 1 and the protector body 2 are fixedly connected together by means of a screw nut.

The bending limiter 1 is made of polyurethane, has a certain flexibility and can be bent to a certain extent. In the installation of submarine cables, J-shaped pipes are often required, the bending amplitude of the J-shaped pipes is large, the cables pass through the bending limiter 1, and the bending limiter 1 can play a certain role in protecting the cables and prevent the cables from being broken due to overlarge bending amplitude.

The protection device body 2 is provided with an inner cavity 20, at least one glue filling port 21 is formed in the outer wall of the protection device body 2, and the glue filling port 21 is in fluid communication with the inner cavity 20. The glue filling port 21 is used for filling the filling glue into the inner cavity 20, so as to seal the inner cavity 20.

As shown in fig. 2, the optical cable connector box 3 is disposed in the inner cavity 20 of the protecting device body 2, and two ends of the protecting device body 2 are communicated, so that the optical cable passes out from two ends of the protecting device body 2.

As shown in fig. 3, the protector body 2 further includes an inner convex tube 22, the inner convex tube 22 is accommodated in the inner cavity 20 of the protector body 2, the inner convex tube 22 extends from both ends of the protector body 2 toward the middle of the protector body 2, the inner convex tube 22 has a through hole penetrating through itself in the axial direction, and the inner diameter of the inner convex tube 22 is the same as the inner diameter of the protector body 2, so that the through hole of the inner convex tube 22 coincides with the through hole of the protector body 2.

The first-aid repair joint box protection device further comprises a sealing assembly 4 and a through pipe 5, wherein the sealing assembly 4 is fixedly installed on the inner convex pipe 22, the through pipe 5 is inserted from the bending limiter 1, sequentially penetrates through the protection device main body 2, the inner convex pipe 22 and then penetrates out of the bending limiter 1 fixedly connected with the other end of the protection device main body 2, and the sealing assembly 4 is used for sealing a gap between the inner convex pipe 22 and the through pipe 5. When the sealant is poured into the inner cavity 20 from the sealant pouring opening 21 of the protection device main body 2, the sealant is prevented from flowing out of the gap between the inner convex pipe 22 and the through pipe 5, and seawater can be prevented from penetrating into the gap between the inner convex pipe 22 and the through pipe 5. .

The sealing assembly 4 comprises a pressing plate 41, sealing steel wires 42 and a pressing hoop 43, wherein one end of the sealing steel wires 42 is distributed on the outer wall of the inner convex pipe 22, the other end of the sealing steel wires 42 is inserted into a gap between the inner convex pipe 22 and the through pipe 5, then the sealing steel wires 42 are firmly abutted by the pressing plate 41 along the length direction of the inner convex pipe, and the sealing steel wires 42 distributed on the outer wall of the inner convex pipe 22 are tightly locked by the pressing hoop 43 on the other side, so that the purpose of sealing the gap between the inner convex pipe 22 and the through pipe 5 is achieved.

The protection device main body 2 is made of stainless steel materials, so that on one hand, corrosion of seawater can be resisted, on the other hand, collision of reefs can be resisted, and the optical cable joint box is protected.

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

1. The first-aid repair connector box protection device is characterized by comprising bending limiters and a protection device main body, wherein the number of the bending limiters is 2, and the 2 bending limiters are fixedly connected with two ends of the protection device main body respectively; the protection device main body is provided with an inner cavity, a glue filling port is formed in the outer wall of the protection device main body, and the glue filling port is in fluid communication with the inner cavity.

2. The rush-repair splice cassette protection device of claim 1, wherein the bend limiter is made of polyurethane.

3. The emergency repair splice enclosure protection device of claim 2, wherein the interior cavity of the protection device body is configured to house an optical cable splice enclosure, and wherein the two ends of the protection device body are in communication for the optical cable to pass out of the two ends of the protection device body.

4. The first-aid repair junction box protection device according to claim 3, wherein the protection device main body further comprises an inner protruding tube which is accommodated in the inner cavity of the protection device main body, the inner protruding tube extends from both ends of the protection device main body toward the middle of the protection device main body, the inner protruding tube has a through hole penetrating through itself in the axial direction, and an inner diameter of the inner protruding tube is the same size as an inner diameter of the protection device main body, so that the through hole of the inner protruding tube coincides with the through hole of the protection device main body.

5. The repair splice enclosure protection device of claim 4, further comprising a sealing assembly fixedly mounted to said inner male tube and a tube inserted from said bend limiter, sequentially through said protection device body, said inner male tube, and then out of said bend limiter fixedly connected to the other end of said protection device body, said sealing assembly for sealing a gap between said inner male tube and said tube.

6. The repair joint box protection device according to claim 5, wherein the sealing assembly comprises a pressing plate, sealing steel wires and a pressing hoop, one end of each sealing steel wire is distributed on the outer wall of the inner convex pipe, the other end of each sealing steel wire is inserted into a gap between the inner convex pipe and the through pipe, then the sealing steel wires are firmly abutted by the pressing plate along the length direction of the inner convex pipe, and the sealing steel wires distributed on the outer wall of the inner convex pipe are tightly locked by the pressing hoop on the other side, so that the purpose of sealing the gap between the inner convex pipe and the through pipe is achieved.

7. The emergency repair splice enclosure protection device according to any one of claims 1 to 6, wherein the protection device main body 2 is made of a stainless steel material.