CN212137236U

CN212137236U - Submarine cable bending limiter

Info

Publication number: CN212137236U
Application number: CN202021263719.1U
Authority: CN
Inventors: 杨杰; 王文东; 王中懋; 张瑾; 仇广金
Original assignee: Suzhou Gelirui Precision Machinery Technology Co ltd
Current assignee: Suzhou Gelirui Precision Machinery Technology Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2020-12-11
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a crooked limiter of submarine cable, it includes two symmetrical half-pipes, and the axis of limiter is on the amalgamation face of two half-pipes, and half-pipe includes first half-pipe, half-pipe with the coaxial second that sets up of first half-pipe, and the internal diameter of half-pipe of second is greater than the internal diameter of first half-pipe, forms crooked space between the half-cylinder face at the inside wall place of first half-pipe and the inside wall of half-pipe of second. Form crooked space between the half cylinder at the inside wall place of first half pipe and the inside wall of the half pipe of second, can provide great crooked space for the cable, but guaranteed crooked limit, can be better play the guard action, the locating pin and the locating hole at limiter both ends can realize connecting between the limiter and use and restricted the relative rotation between the limiter simultaneously, and can realize the spacing joint of the half pipe body of concatenation, further enlarge protection length, and convenient for connection.

Description

Submarine cable bending limiter

Technical Field

The utility model relates to a submarine cable bending limiter.

Background

The submarine cable is often subjected to bending stress due to the problems of curling or winding and the like in the laying or using process, and if the cable is not interfered, the cable is frequently damaged, so that a bending limiter needs to be installed on the cable.

Disclosure of Invention

The utility model aims at providing a crooked limiter of submarine cable that bending amplitude is big and can play the guard action on a large scale.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the submarine cable bending limiter comprises two symmetrical half pipe bodies, the axis of the limiter is arranged on the splicing surfaces of the two half pipe bodies, each half pipe body comprises a first half pipe and a second half pipe coaxially arranged with the first half pipe, the inner diameter of each second half pipe is larger than that of each first half pipe, and a bending space is formed between the semi-cylindrical surface where the inner side wall of each first half pipe is located and the inner side wall of each second half pipe.

In another optimized scheme, the second half pipe comprises a conical half pipe in a frustum shape and a cylindrical half pipe with a closed edge.

According to another optimization scheme, a first deformation hole for improving deformation is formed in the conical half pipe.

In another optimized scheme, a second deformation hole for improving deformation is formed in the cylindrical half pipe.

According to another optimized scheme, one end face of the limiter is provided with a positioning pin, the other end face of the limiter is provided with a positioning hole, and the projection of the positioning pin on the other end face is rotated by 90 degrees and then is overlapped with the positioning hole.

According to another optimized scheme, the positioning hole is located on the end face of the first half pipe, and the positioning pin is located on the end face of the second half pipe.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: form crooked space between the half cylinder at the inside wall place of first half pipe and the inside wall of the half pipe of second, can provide great crooked space for the cable, but guaranteed crooked limit, can be better play the guard action, the locating pin and the locating hole at limiter both ends can realize connecting between the limiter and use and restricted the relative rotation between the limiter simultaneously, and can realize the spacing joint of the half pipe body of concatenation, further enlarge protection length, and convenient for connection.

Drawings

FIG. 1 is a front view of a half pipe body in a first embodiment;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 1;

FIG. 4 is a perspective view of a half pipe body according to the first embodiment;

FIG. 5 is a front view of the half pipe body in the second embodiment;

FIG. 6 is a cross-sectional view C-C of FIG. 5;

FIG. 7 is a cross-sectional view D-D of FIG. 5;

fig. 8 is a perspective view of a half pipe body in the second embodiment.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings.

Example one

As shown in fig. 1 to 4, the submarine cable bending limiter includes two half pipe bodies 0 that are symmetrically and fixedly connected through a bolt assembly, an axis of the limiter is on a splicing surface of the two half pipe bodies 0, the half pipe bodies 0 are respectively provided with a plurality of threaded holes, the submarine cable bending limiter includes a first half pipe 1 and a second half pipe 2 that is coaxially disposed with the first half pipe 1, an inner diameter of the second half pipe 2 is larger than an inner diameter of the first half pipe 1, and a bending space 3 is formed between a semi-cylindrical surface where an inner side wall of the first half pipe 1 is located and the inner side wall of the second half pipe 2. The second half pipe 2 comprises a conical half pipe 4 in a frustum shape and a cylindrical half pipe 5 with a closed edge and a column shape. And a first deformation hole 6 for improving deformation is formed in the conical half pipe 4. And a second deformation hole 7 for improving deformation is formed in the cylindrical half pipe 5.

Example two

As shown in fig. 5 to 8, the submarine cable bending limiter includes two symmetrical half-pipes 0, an axis of the limiter is on a splicing surface of the two half-pipes 0, the half-pipes 0 include a first half-pipe 1 and a second half-pipe 2 coaxially disposed with the first half-pipe 1, an inner diameter of the second half-pipe 2 is larger than an inner diameter of the first half-pipe 1, and a bending space 3 is formed between a semi-cylindrical surface where an inner side wall of the first half-pipe 1 is located and the inner side wall of the second half-pipe 2. The second half pipe 2 comprises a conical half pipe 4 in a frustum shape and a cylindrical half pipe 5 with a closed edge and a column shape. And a first deformation hole 6 for improving deformation is formed in the conical half pipe 4. And a second deformation hole 7 for improving deformation is formed in the cylindrical half pipe 5. One end face of the limiter is provided with a positioning pin 8, the other end face of the limiter is provided with a positioning hole 9, and the projection of the positioning pin 8 on the other end face is rotated by 90 degrees and then is overlapped with the positioning hole 9. The positioning hole 9 is located on the end face of the first half pipe 1, and the positioning pin 8 is located on the end face of the second half pipe 2. The locating pin 8 and the locating hole 9 at stopper both ends can realize connecting between the stopper and use and restricted the relative rotation between the stopper, and can realize the spacing joint of the half-pipe 0 of concatenation, further enlarge protection length, connect conveniently. The positioning hole 9 and the positioning pin 8 are in interference fit.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A submarine cable bend limiter comprising two symmetrical half-tubes with an axis on the mating face of the two half-tubes, wherein: the half-pipe body comprises a first half-pipe and a second half-pipe coaxially arranged with the first half-pipe, the inner diameter of the second half-pipe is larger than that of the first half-pipe, and a bending space is formed between the semi-cylindrical surface where the inner side wall of the first half-pipe is located and the inner side wall of the second half-pipe.

2. A submarine cable bend limiter according to claim 1, wherein: the second half-pipe comprises a conical half-pipe in a frustum shape and a cylindrical half-pipe with a closed edge.

3. A submarine cable bend limiter according to claim 2, wherein: and the conical half pipe is provided with a first deformation hole for improving deformation.

4. A submarine cable bend limiter according to claim 2, wherein: and a second deformation hole for improving deformation is formed in the cylindrical half pipe.

5. A submarine cable bend limiter according to claim 1, wherein: one end face of the limiter is provided with a positioning pin, the other end face of the limiter is provided with a positioning hole, and the projection of the positioning pin on the other end face is rotated by 90 degrees and then is overlapped with the positioning hole.

6. A submarine cable bend limiter according to claim 5, wherein: the positioning hole is located on the end face of the first half pipe, and the positioning pin is located on the end face of the second half pipe.