CN215071567U

CN215071567U - Submarine pipeline protection device

Info

Publication number: CN215071567U
Application number: CN202120899129.6U
Authority: CN
Inventors: 汪建伟; 汤万阳; 关东学; 陈万军
Original assignee: TIANJIN TIMEAST OFFSHORE ENGINEERING CO LTD
Current assignee: TIANJIN TIMEAST OFFSHORE ENGINEERING CO LTD
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-12-07
Anticipated expiration: 2031-04-28

Abstract

The utility model relates to a submarine pipeline protection device, including body, connection pad, a plurality of isolation tube, can dismantle two fixed parallel arrangement's connection pad in the body, be equipped with a plurality of screw holes on the connection pad, the connection pad of every screw hole below is all fixed prevents changeing the subassembly, be equipped with on the both ends outer wall of isolation tube with screw hole complex screw thread, it is a plurality of isolation tube parallel arrangement is in the body, the both ends of isolation tube respectively with adjacent connection pad on a screw hole threaded connection. The utility model discloses a plurality of isolation pipes of installation in the body, every is kept apart intraductal and is passed a cable, separates many cables, avoids damaging the contact electricity because of the cable and causes the electric accident, sets up a plurality of screw holes on the connection pad, keeps apart pipe and screw hole threaded connection, has realized the fixed connection dismantled of a plurality of isolation pipes and body, the subsequent dismantlement of being convenient for.

Description

Submarine pipeline protection device

Technical Field

The utility model relates to a submarine pipeline lays technical field, concretely relates to submarine pipeline protection device.

Background

Submarine cables, also known as submarine communications cables, are wires wrapped in insulation that are laid on the seabed for establishing telecommunications transmission between countries. Submarine optical cables, as an important means of modern international communications, are responsible for 90% of international communications services and are the main carrier of global information communications. Submarine cables are susceptible to damage from external impact forces on the seabed and therefore need to be protected by a protective sheath.

However, there is no isolation structure between the cables in the existing protection tube, and if the cables are corroded and damaged, the problem of electric accidents is easily caused, and the safety is not good.

SUMMERY OF THE UTILITY MODEL

For solving the problem that prior art exists, the utility model provides a submarine pipeline protection device.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a submarine pipeline protection device, includes body, connection pad, a plurality of spacer tube, can dismantle two fixed parallel arrangement's connection pad in the body, be equipped with a plurality of screw holes on the connection pad, the connection pad of every screw hole below is all fixed prevents changeing the subassembly, prevent changeing the subassembly and fix on the connection pad is close to body open-ended lateral wall, be equipped with on the both ends outer wall of spacer tube with screw hole complex screw thread, it is a plurality of spacer tube parallel arrangement is in the body, the both ends of spacer tube respectively with adjacent connection pad on a screw hole threaded connection, the tip of spacer tube stretches out to the outside of connection pad to with prevent changeing the rotation of subassembly cooperation after being connected in order to restrict spacer tube and screw hole.

Preferably in any one of the above schemes, the rotation-preventing assembly comprises a positioning block and a limiting column, the positioning block is fixed on the side wall of the connecting disc below the threaded hole, the limiting column penetrates through the positioning block, a fixed chuck is arranged at one end of the limiting column far away from the threaded hole, a spring is sleeved on the limiting column, one end of the spring is fixed with the limiting column, the other end of the spring is fixed with the limiting block, and the spring is in a compression state.

In any of the above schemes, preferably, the axis of the limiting column is perpendicular to the central line of the threaded hole.

In any of the above schemes, preferably, the outer walls of the two ends of the isolation tube are respectively provided with a jack, after the two ends of the isolation tube are connected with the corresponding threaded holes, the limiting columns below the threaded holes are driven by the springs to be inserted into the corresponding jacks.

In any of the above schemes, preferably, when the limiting column is inserted into the jack, the chuck is attached to the limiting block.

In any of the above schemes, preferably, two annular connecting blocks distributed in parallel are fixed in the pipe body, and each annular connecting block is fixed with one connecting disc through a fastener.

Compared with the prior art, the utility model provides a pair of submarine pipeline protection device has following beneficial effect:

1. the isolating pipes are arranged in the pipe body, one cable penetrates through each isolating pipe to separate the cables, so that an electric accident caused by the fact that the cables are damaged and contacted with electricity is avoided, the connecting disc is provided with the threaded holes, the isolating pipes are in threaded connection with the threaded holes, the isolating pipes and the pipe body are detachably and fixedly connected, and subsequent detachment is facilitated;

2. the connecting disc is detachably and fixedly connected with the annular connecting block in the pipe body through a fastener, so that the connecting disc is convenient to detach and replace subsequently, the connecting discs with different numbers of threaded holes are installed, and the isolating pipe connecting device is suitable for installing different numbers of isolating pipes;

3. the isolation tube is prevented from rotating by limiting the rotation-preventing component, so that the isolation tube cannot be separated from the connecting disc due to rotation when a cable is subsequently inserted and moved.

Drawings

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of a subsea pipeline protection device according to the present invention;

FIG. 2 is a schematic structural view of the tube of FIG. 1;

FIG. 3 is a side cross-sectional view of the tubular body of FIG. 2;

FIG. 4 is a schematic structural diagram of the connecting disc in FIG. 1;

FIG. 5 is an enlarged view of the anti-rotation assembly of FIG. 1.

The figures are labeled as follows: 1. a pipe body; 2. an annular connecting block; 3. a connecting disc; 4. a threaded hole; 5. a limiting column; 6. an isolation pipe; 7. a threaded blind hole; 8. mounting holes; 9. a spring; 10. a limiting block; 11. a chuck.

Detailed Description

In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.

As shown in fig. 1 to 5, an embodiment of a subsea pipeline protection device according to the present invention comprises a pipe body 1, a connection plate 3, a plurality of isolation pipes 6, two parallel connecting discs 3 are detachably fixed in the tube body 1, a plurality of threaded holes 4 are arranged on the connecting discs 3, an anti-rotation component is fixed on the connecting disc 3 below each threaded hole 4, the anti-rotation component is fixed on the side wall of the connecting disc 3 close to the opening of the tube body 1, the outer walls of the two ends of the isolation tubes 6 are provided with threads matched with the threaded holes 4, a plurality of isolation tubes 6 are arranged in the tube body 1 in parallel, two ends of the isolation tube 6 are respectively in threaded connection with a threaded hole 4 on the adjacent connecting disc 3, the end part of the isolation pipe 6 extends out of the outer side of the connecting disc 3 and is matched with the anti-rotation assembly to limit the rotation of the isolation pipe 6 after being connected with the threaded hole 4.

Set up a plurality of isolation tubes 6 in body 1, pass a cable in every isolation tube 6, separate many cables, avoid damaging the contact electricity because of the cable and cause the electric accident, set up a plurality of screw holes 4 on connection pad 3,

isolation tube

6 and 4 threaded connection of screw hole, the fixed connection dismantled of a plurality of isolation tubes 6 and body 1 has been realized, subsequent dismantlement of being convenient for, and connection pad 3 is dismantled fixed connection for dismantling with body 1 design, be convenient for install the connection pad 3 of 4 numbers of different screw holes, it is convenient to change, thereby be applicable to the isolation tube 6 of installing different numbers.

As shown in fig. 5, the rotation-proof assembly comprises a positioning block and a limiting column 5, the positioning block is fixed on the side wall of the connecting disc 3 below the threaded hole 4, the limiting column 5 penetrates through the positioning block, one end of the limiting column 5, which is far away from the threaded hole 4, is fixed with a clamping disc 11, the limiting column 5 is sleeved with a spring 9, one end of the spring 9 is fixed with the limiting column 5, the other end of the spring 9 is fixed with a limiting block 10, and the spring 9 is in a compression state.

After the isolating pipe 6 is connected with the threaded hole 4, the insertion holes at two ends of the isolating pipe 6 just correspond to the limiting columns 5, at the moment, the limiting columns 5 are inserted into the corresponding insertion holes under the reset action of the springs 9, so that the isolating pipe 6 cannot rotate, and therefore when a cable is inserted and moved subsequently, the isolating pipe 6 cannot be separated from the connecting disc 3 due to rotation.

The axis of the limiting column 5 is vertical to the central line of the threaded hole 4.

The outer walls of the two ends of the isolation pipe 6 are respectively provided with a jack, after the two ends of the isolation pipe 6 are connected with the corresponding threaded holes 4, the limiting columns 5 below the threaded holes 4 are driven by the springs 9 to be inserted into the corresponding jacks.

When the limiting column 5 is inserted into the jack, the chuck 11 is attached to the limiting block 10, so that the spring 9 is always in a compressed state.

Two annular connecting blocks 2 which are distributed in parallel are fixed in the pipe body 1, and each annular connecting block 2 is fixed with one connecting disc 3 through a fastening piece.

Specifically, the fastener can be the bolt, every be equipped with the screw thread blind hole 7 that a plurality of annular array distribute on the annular connecting block 2, the edge part of connection pad 3 is equipped with the mounting hole 8 that is annular array and distributes, mounting hole 8 on the connection pad 3 passes through the bolt fastening with the screw thread blind hole 7 on the annular connecting block 2.

The working principle of the embodiment is as follows: pass through the bolt fastening with connection pad 3 and annular connecting block 2, then install the spacer tube 6 that needs the installation in body 1 respectively, and every spacer tube 6 corresponds a screw hole 4 on the connection pad 3, when spacer tube 6 is connected with screw hole 4, spacing post 5 of manual drive, make spacing post 5 to the direction removal of keeping away from screw hole 4, in order not to hinder spacer tube 6 rotatory, after the tip of spacer tube 6 and the 4 tip threaded connection of screw hole on the adjacent connection pad 3, loosen spacing post 5, spacing post 5 just in time injects the jack this moment, make spacer tube 6 unable rotation, realize the fixed of spacer tube 6, then just can stretch into the cable, play the effect of keeping apart many cables.

It will be understood by those skilled in the art that any combination of the elements of the present invention, including the summary and detailed description of the invention provided in the foregoing description and illustrated in the accompanying drawings, is not to be considered limiting in scope and in order to make the description more concise, and not to describe every element of the combination. 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

1. A subsea pipeline protection device, characterized by: including body, connection pad, a plurality of spacer tube, can dismantle two fixed parallel arrangement's connection pad in the body, be equipped with a plurality of screw holes on the connection pad, the connection pad of every screw hole below is all fixed prevents changeing the subassembly, prevent changeing the subassembly and fix on the connection pad is close to body open-ended lateral wall, be equipped with on the both ends outer wall of spacer tube with screw hole complex screw thread, it is a plurality of spacer tube parallel arrangement is in the body, the both ends of spacer tube respectively with a screw hole threaded connection on the adjacent connection pad, the tip of spacer tube stretches out to the outside of connection pad to with prevent changeing the subassembly cooperation in order to restrict the rotation after spacer tube is connected with the screw hole.

2. A subsea pipeline protection device according to claim 1, characterized in that: the anti-rotation assembly comprises a positioning block and a limiting column, the positioning block is fixed on the side wall of the connecting disc below the threaded hole, the limiting column penetrates through the positioning block, a chuck is fixed at one end, away from the threaded hole, of the limiting column, a spring is sleeved on the limiting column, one end of the spring is fixed with the limiting column, the other end of the spring is fixed with the limiting block, and the spring is in a compression state.

3. A subsea pipeline protection device according to claim 2, characterized in that: the axis of the limiting column is perpendicular to the center line of the threaded hole.

4. A subsea pipeline protection device according to claim 2, characterized in that: the two ends of the isolation pipe are respectively provided with a jack, after the two ends of the isolation pipe are connected with the corresponding threaded holes, the limiting columns below the threaded holes are driven by the springs to be inserted into the corresponding jacks.

5. A subsea pipeline protection device according to claim 2, characterized in that: when the limiting column is inserted into the jack, the chuck is attached to the limiting block.

6. A subsea pipeline protection device according to claim 1, characterized in that: two annular connecting blocks which are distributed in parallel are fixed in the pipe body, and each annular connecting block is fixed with one connecting disc through a fastening piece.