CN213185442U

CN213185442U - Connecting clamp for preventing submarine cable from swinging and wearing

Info

Publication number: CN213185442U
Application number: CN202021961004.3U
Authority: CN
Inventors: 王丹峰
Original assignee: Shanghai Yuanwei Construction Engineering Co ltd
Current assignee: Shanghai Yuanwei Construction Engineering Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-11
Anticipated expiration: 2030-09-09

Abstract

The utility model relates to the technical field of submarine cable protective devices, and discloses a connecting clamp for preventing submarine cables from swinging and wearing, which comprises a sleeve for being sleeved outside the submarine cables; the sleeve is internally provided with a pair of limiting arc plates which are oppositely arranged; the concave surface of the limiting arc plate is arranged corresponding to the outer wall of the submarine cable, the convex surface of the limiting arc plate is connected with the first end of the telescopic rod, and the second end of the telescopic rod radially extends out of the sleeve and is connected with the limiting block; the telescopic link overcoat is equipped with buffer spring. Use the technical scheme of the utility model, submarine cable can take place the beat along the direction of telescopic link under receiving the promotion of ocean current, and the submarine cable can not touch the sleeve pipe and bump or rub because of receiving buffer spring's restriction. The connecting clamp has simple structure and convenient installation, and can effectively prevent the abrasion phenomenon caused by the swinging of the submarine cable; in addition, the swing of the submarine cable can be reduced and restrained, the swing amplitude of the submarine cable is greatly reduced, the submarine cable is prevented from touching the inner wall of the sleeve, and the submarine cable can be quickly restored to a balanced state.

Description

Connecting clamp for preventing submarine cable from swinging and wearing

Technical Field

The utility model relates to a submarine cable protection utensil technical field especially relates to a joint fixture who prevents submarine cable swing wearing and tearing.

Background

Submarine cables are wires wrapped by insulating materials and are laid on the seabed to establish important communication equipment between countries, islands and inland, oil platforms and inland, cross-sea military facilities and other places. As an important medium of power transmission, the safety and reliability of the submarine cable in use are important. During laying of the submarine cable, one end of the submarine cable extends out of the submarine surface and is pulled to the operating platform through the J-shaped pipe. The inner diameter of the J-shaped pipe is 2-3 times of that of a submarine cable generally, the submarine cable swings in the J-shaped pipe for a long time under the action of ocean current, and the submarine cable rubs against a pipe opening for a long time, so that the submarine cable is easy to fatigue and damage. In view of the above, a connection clamp with a function of restricting movement of a submarine cable is provided for preventing friction from occurring during the swinging of the submarine cable and damaging the submarine cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent jockey of extra large cable swing wearing and tearing to solve among the prior art extra large cable swing and easily cause the above-mentioned technical problem of wearing and tearing.

In order to realize the purpose, the utility model discloses a technical scheme be:

a connecting clamp for preventing a submarine cable from swinging and wearing comprises a sleeve sleeved outside the submarine cable; the sleeve is internally provided with a pair of limiting arc plates which are oppositely arranged; the concave surface of the limiting arc plate is arranged corresponding to the outer wall of the submarine cable, the convex surface of the limiting arc plate is connected with the first end of the telescopic rod, and the second end of the telescopic rod radially extends out of the sleeve and is connected with the limiting block; the telescopic link overcoat is equipped with buffer spring.

According to the utility model discloses a prevent joint fixture of submarine cable swing wearing and tearing, the sleeve corresponds the telescopic link and has seted up the perforation, and the perforation is separated the telescopic link and is interior section and outside section, and just interior section and outside section all overlap and be equipped with buffer spring.

According to the connecting clamp for preventing the submarine cable from swinging and wearing, the inner side section is sleeved with the two movable sleeves, and the buffer spring is arranged between the two movable sleeves; the convex surface of the movable sleeve corresponding to the limiting arc plate and the inner wall of the sleeve are provided with arc-shaped matching surfaces.

According to the connecting clamp for preventing the submarine cable from swinging and wearing, the outer side section is sleeved with the movable sleeve, and the buffer spring is arranged between the movable sleeve and the limiting block; the outer wall of the movable sleeve corresponding to the sleeve is provided with an arc-shaped matching surface.

According to the utility model discloses a prevent joint fixture of submarine cable swing wearing and tearing, telescopic both ends are connected with the flange.

According to the utility model discloses a prevent joint fixture of submarine cable swing wearing and tearing, spacing arc board is equipped with two pairs, and the telescopic link is arranged to the cross.

According to the utility model discloses a prevent joint fixture of submarine cable swing wearing and tearing, spacing arc board is rectangular form, and length direction sets up along telescopic axis.

The utility model has the advantages that:

use the technical scheme of the utility model, the submarine cable passes the sleeve, the outer wall contact concave surface of spacing arc board of submarine cable. Buffer spring on the telescopic link all receives the compression, and the outer wall of submarine cable is withheld under buffer spring's spring force effect to spacing arc board, and the submarine cable keeps balanced under the effect of two spring forces to be located telescopic axis position. The submarine cable can deflect along the direction of the telescopic rod under the pushing of ocean current, the balance state is broken at the moment, and the submarine cable cannot touch the sleeve to collide or rub due to the limitation of the buffer spring. In the deflection of the submarine cable, the deflection amplitude is gradually weakened under the buffering action of the buffer spring until the balance state is recovered, and the submarine cable is positioned on the central axis of the sleeve. The connecting clamp has simple structure and convenient installation, and can effectively prevent the abrasion phenomenon caused by the swinging of the submarine cable; in addition, the swing of the submarine cable can be reduced and restrained, the swing amplitude of the submarine cable is greatly reduced, the submarine cable is prevented from touching the inner wall of the sleeve, and the submarine cable can be quickly restored to a balanced state.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic illustration of the marine cable yaw of FIG. 1;

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

fig. 4 is a schematic structural diagram of another preferred embodiment of the present invention;

FIG. 5 is a side schematic view of FIG. 4;

fig. 6 is a schematic structural view of still another preferred embodiment of the present invention;

FIG. 7 is an enlarged partial view of portion A of FIG. 6;

reference numerals:

the limiting device comprises a limiting block 1, a movable sleeve 2, a telescopic rod 3, a limiting arc plate 4, a sleeve 5 and an ear plate 6.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Examples

Referring to fig. 1-7, the present invention provides a connection clamp for preventing swinging abrasion of a submarine cable, which includes a sleeve 5 for being sleeved outside the submarine cable; the sleeve 5 is internally provided with a pair of limiting arc plates 4, and the limiting arc plates 4 are oppositely arranged; the concave surface of the limiting arc plate 4 is arranged corresponding to the outer wall of the submarine cable, the convex surface of the limiting arc plate 4 is connected with the first end of the telescopic rod 3, and the second end of the telescopic rod 3 radially extends out of the sleeve 5 and is connected with the limiting block 1; and a buffer spring is sleeved outside the telescopic rod 3.

The sleeve 5 corresponds telescopic link 3 and has seted up the perforation, and the perforation is separated telescopic link 3 and is interior side section and outside section, and all overlaps outside interior side section and the outside section and is equipped with buffer spring.

Wherein the size of the restriction block 1 is larger than the aperture of the perforation. The limiting block 1 is used for preventing the telescopic rod 3 from being separated from the through hole. The two buffer springs can be respectively sleeved outside the inner side section and the outer side section of the telescopic rod 3 and are in a compressed state.

In addition, two movable sleeves 2 can be sleeved outside the inner side section of the telescopic rod 3, and the buffer spring is arranged between the two movable sleeves 2; the convex surface of the movable sleeve 2 corresponding to the limiting arc plate 4 and the inner wall of the sleeve 5 are provided with arc-shaped matching surfaces.

The outer side section is sleeved with a movable sleeve 2, and the buffer spring is arranged between the movable sleeve 2 and the limiting block 1; the movable sleeve 2 is provided with an arc-shaped matching surface corresponding to the outer wall of the sleeve 5.

Of course, the buffer spring can be set as one, which is sleeved outside the inner section or the outer section of the telescopic rod 3, and the buffer spring is also in a compressed state.

Flanges are connected to both ends of the sleeve 5. The J-shaped pipe or other submarine cable protection pipes are connected through bolts. The flange may also be used to connect to a submarine cable bend limiter and may also be used to limit the swinging of the submarine cable.

In addition, two pairs of limiting arc plates 4 are arranged, and the telescopic rods 3 are arranged in a cross shape. The cable can be restrained from swinging in multiple directions. The limiting arc plate 4 can be long and arranged along the axis of the sleeve 5 in the length direction. The arc, length and width of the limit arc plate 4 are set by matching with the outer wall of the submarine cable.

During laying, the submarine cable firstly needs to pass through the connecting clamp for preventing the submarine cable from swinging and wearing, and then the connecting clamp can be installed and can be effectively and stably matched with the submarine cable. However, the installation of the submarine cable is inconvenient because the submarine cable is sleeved with the connecting clamp, and the sleeved connecting clamp also affects the installation of the submarine cable. At this moment, can set up this connecting clamp who prevents submarine cable swing wearing and tearing into split type, also be the split type. As shown in fig. 6, the sleeve 5 is divided equally into multiple lobes, typically two lobes, taking care to avoid the perforations. After the submarine cable is laid, the split sleeve 5 is sleeved outside the submarine cable and matched with the submarine cable to finish fixed installation, so that the installation is convenient, and the normal laying of the submarine cable is not influenced. At this time, the lug plate 6 is fittingly provided at the joint of the sleeve 5, and the split sleeve 5 is spliced and fixed by mounting bolts on the lug plate 6, as shown in fig. 6 and 7.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A connecting clamp for preventing a submarine cable from swinging and wearing is characterized by comprising a sleeve for sleeving the submarine cable; the sleeve is internally provided with a pair of limiting arc plates which are oppositely arranged; the concave surface of the limiting arc plate is arranged corresponding to the outer wall of the submarine cable, the convex surface of the limiting arc plate is connected with the first end of the telescopic rod, and the second end of the telescopic rod radially extends out of the sleeve and is connected with the limiting block; the telescopic link overcoat is equipped with buffer spring.

2. The connecting clamp for preventing the swinging abrasion of the submarine cable according to claim 1, wherein the sleeve is provided with a through hole corresponding to the telescopic rod, the through hole separates the telescopic rod into an inner section and an outer section, and the buffer spring is sleeved outside the inner section and the outer section.

3. The connecting clamp for preventing the swinging abrasion of the submarine cable according to claim 2, wherein the inner section is sleeved with two movable sleeves, and the buffer spring is arranged between the two movable sleeves; the convex surface of the movable sleeve corresponding to the limiting arc plate and the inner wall of the sleeve are provided with arc-shaped matching surfaces.

4. The connecting clamp for preventing the swinging abrasion of the submarine cable according to claim 2, wherein a movable sleeve is sleeved outside the outer section, and the buffer spring is arranged between the movable sleeve and the limiting block; the outer wall of the movable sleeve corresponding to the sleeve is provided with an arc-shaped matching surface.

5. A connection clamp for preventing swinging abrasion of a submarine cable according to claim 1, wherein flanges are connected to both ends of the sleeve.

6. The connecting clamp for preventing the swinging abrasion of the submarine cable according to any one of claims 1 to 5, wherein two pairs of limiting arc plates are provided, and the telescopic rods are arranged in a cross shape.

7. The marine cable swing wear prevention connection clamp of claim 6 wherein the limiting arc plate is elongated and has a length direction along the axis of the sleeve.