Electrical engineering cable protection device

By designing a detachable protective shell, a cable protection chain shell, and an anti-corrosion coating, the problem of cable wear and corrosion in harsh marine environments was solved, and the stability and sealing of cable connections were improved.

CN223928072UActive Publication Date: 2026-02-17吕应刚
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520448457.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-02-17
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

Existing electrical engineering cable protection devices are prone to wear and corrosion at the connection points due to high-frequency vibration, bending and tensile stress in harsh marine environments, and have poor sealing performance, resulting in shortened service life and loosening of the connection points.

Method used

It adopts a detachable protective housing design, combined with cable protection chain shell, positioning seat and sealing gasket, coated with anti-corrosion and wear-resistant coating, to enhance mechanical protection and sealing performance, prevent cable wear and corrosion, and ensure cable stability.

Benefits of technology

It effectively prevents fatigue fracture at cable connections caused by friction, torsion, and bending, enhances sealing and durability, extends service life, protects the durability of the housing, and improves the stability and sealing of cable connections.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223928072U_ABST
    Figure CN223928072U_ABST
Patent Text Reader

Abstract

The utility model provides a cable protection device for electrical engineering. The cable protection device comprises a protection shell, a cable protection chain shell and a positioning seat, the protective shell is formed by detachably enclosing an upper shell and a lower shell which are the same in structure, and comprises a shell which is formed by enclosing and is of a cavity structure inside and cable penetrating pipelines located at the left end and the right end of the shell. The cable protection chain shell is internally provided with a hole channel for a cable to penetrate through. The two cable protection chain shells are detachably connected with the outward ends of the two cable penetrating pipelines respectively. The positioning seat comprises a base and an arc-shaped supporting seat arranged on the base; the two positioning seats are symmetrically installed on the inner walls of the upper shell and the lower shell through respective bases, and the arc-shaped grooves of the two arc-shaped supporting seats define a circle. The electric engineering cable protection device is suitable for severe environments such as ocean platforms, and has the advantages of strong impact resistance, strong stability and good protection effect.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of electrical engineering technology, and in particular relates to an electrical engineering cable protection device. Background Technology

[0002] During cable usage, multiple cable segments often need to be connected. Individual protective devices are typically installed at the connection points to improve safety and prevent prolonged exposure of the joints. Existing protective devices are mostly simple cylindrical shells, unsuitable for harsh environments. For example, cables installed on offshore platforms are subject to continuous swaying due to waves, ocean currents, and wind loads. The cables must withstand high-frequency vibrations, bending, and tensile stress, easily causing friction at the contact point between the cable and the protective shell, leading to wear on the cable sheath. Furthermore, environmental impacts can cause the cables at both ends of the protective shell to be pulled, twisted, and excessively bent, resulting in fatigue fracture or loosening at the connection. In addition, the strong corrosive properties of salt spray, oil mist, high humidity, and microorganisms in the marine environment can erode the protective shell, shortening its lifespan. Moreover, the poor sealing of existing protective shells also makes the connection points susceptible to corrosion. Utility Model Content

[0003] In view of this, in order to solve the above-mentioned technical problems, this utility model proposes an electrical engineering cable protection device suitable for offshore platforms, which has a reasonable structural design, strong impact resistance, strong stability, and good protection effect.

[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0005] An electrical engineering cable protection device, comprising:

[0006] The protective shell is formed by a detachable upper shell and a lower shell with the same structure, including a shell with an internal cavity structure and cable conduits located at the left and right ends of the shell;

[0007] A cable protection chain shell, wherein the cable protection chain shell has a channel for cable passing through; there are two cable protection chain shells, each detachably connected to the outward end of the two cable passing channels;

[0008] The positioning seat includes a base and an arc-shaped support seat disposed on the base; there are two positioning seats, which are symmetrically installed on the inner walls of the upper shell and the lower shell through their respective bases, and the arc-shaped grooves of the two arc-shaped support seats form a circle.

[0009] The protective shell, as the main structure of the entire protective device, provides physical protection for the cable connection. Its detachable upper and lower shell design facilitates installation and maintenance. The cable ends extend through cable conduits and are inserted into the cable protection chain shell, which provides extended protection and additional mechanical protection for the cable, preventing direct pulling, twisting, or excessive bending. This effectively reduces the risk of fatigue fracture or loosening at the connection. Used in conjunction with the protective shell, it forms comprehensive protection for the cable connection and adjacent sections of the cable, while also preventing frictional damage at the contact point between the cable and the protective shell. The positioning seat accommodates and supports the cable connection, providing support and positioning. Inside the protective shell, the positioning seat ensures the cable is in the correct position, preventing it from swaying or shifting within the shell. This effectively prevents excessive bending or twisting of the cable within the shell, avoiding fatigue fracture or loosening at the connection due to cable deformation, thus ensuring the stability of the cable connection.

[0010] Furthermore, the vertical cross-section of the inner cavity of the protective shell is circular, and the surface of the protective shell is provided with an anti-corrosion and wear-resistant coating; both the upper shell and the lower shell are provided with sealing gaskets at their contact points, and the upper shell and the lower shell are detachably connected by bolts and nuts.

[0011] The protective shell is coated with an anti-corrosion and wear-resistant coating, which can effectively resist the erosion of corrosive substances such as salt spray, oil mist, high humidity and microorganisms in the marine environment, greatly improving the durability of the protective shell and extending its service life. At the same time, it can also better protect the internal cables from the influence of the external environment. The sealing gasket can effectively fill the gap between the upper and lower shells, enhance the sealing performance of the protective shell, and further prevent external moisture, salt spray, oil mist and other corrosive substances from entering the interior of the protective shell.

[0012] Furthermore, the inner end of the cable passing through the conduit extends into the inner cavity of the housing; an elastic sealing layer is provided on the inner wall of the cable passing through the conduit.

[0013] The cable is run through a conduit extending into the inner cavity of the housing, which provides good support for the cable and prevents the cable inside the protective housing from bending excessively and causing the connection to loosen; the elastic sealing layer can make the cable fit tightly against the protective housing and prevent the intrusion of external corrosive substances.

[0014] Furthermore, the elastic sealing layer has multiple raised sealing rings evenly distributed along the axial direction to optimize the sealing performance.

[0015] Furthermore, the end of the cable that passes through the conduit and faces outwards is detachably connected to the cable protection chain shell via a flange connection, and a sealing gasket is provided at the contact point between the two.

[0016] Flange connections allow for the detachable and secure installation of the cable protection chain shell onto the cable conduit. The mechanical strength provides resistance to tension and torque, ensuring connection stability even in harsh environments. The gasket effectively fills the tiny gaps between the two, enhancing the sealing performance of the connection.

[0017] Furthermore, the surface of the cable protection chain shell is provided with an anti-corrosion and wear-resistant coating. The cable protection chain shell includes a connecting pipe, multiple chain blocks with internal channels connected end to end, and a fixing sleeve. One end of the connecting pipe is connected to the outward end of the cable through the conduit, and the other end is connected to the chain block located at the first end. The chain block located at the last end is connected to the fixing sleeve. An elastic corrosion-resistant layer is provided on the inner wall of the connecting pipe and the inner wall of the channel of the chain block. The fixing sleeve is an elastic corrosion-resistant ring structure that can be fitted onto the cable.

[0018] The cable protection chain shell is coated with an anti-corrosion and wear-resistant coating, which can effectively resist the erosion of corrosive substances, improve durability, and extend service life.

[0019] Furthermore, the arc-shaped support base includes an elastic rubber layer and an arc-shaped support steel strip embedded in the elastic rubber layer.

[0020] The elastic rubber layer has good elasticity and shock absorption properties, which can play a role in buffering and protection, preventing friction and collision between the connection and the arc support base due to vibration and impact. In addition, the elastic rubber layer can adapt to the shape of the cable and fill the gap between the cable and the arc support base, making the cable more stable inside the protective shell. The arc support steel strip provides additional mechanical strength and support force, which can enhance the overall structural stability of the arc support base.

[0021] Compared with existing technologies, the electrical engineering cable protection device of this utility model has the following advantages:

[0022] (1) The electrical engineering cable protection device described in this utility model has a reasonable structural design. Through the synergistic effect of the protective shell, the cable protection chain shell and the positioning seat, it can achieve all-round protection. The protective shell, as the main structure of the entire protection device, provides physical protection for the cable connection. The two ends of the cable extend out of the cable passage pipe and are inserted into the cable protection chain shell. The cable protection chain shell plays the role of extended protection, providing additional mechanical protection for the cable, preventing the cable from being directly pulled, twisted or excessively bent, effectively reducing the risk of fatigue fracture or loosening at the connection, and avoiding friction damage at the contact point between the cable and the protective shell. When used in conjunction with the protective shell, it forms a reliable protection for the cable connection and adjacent parts of the cable. The positioning seat can ensure that the cable is in the right position, prevent the cable from shaking, shifting, excessively bending or twisting in the protective shell, avoid the problem of fatigue fracture or loosening at the connection due to the deformation of the cable itself, and ensure the stability of the cable connection.

[0023] (2) The protective shell of the electrical engineering cable protection device described in this utility model is provided with sealing gaskets at the contact points and the connection points between the cable passage pipe and the cable protection chain shell. The elastic sealing layer and sealing ring on the inner wall of the cable passage pipe further enhance the sealing effect and effectively prevent corrosive substances from entering. Both the protective shell and the cable protection chain shell are coated with anti-corrosion and wear-resistant coatings, which can effectively resist the erosion of corrosive substances such as salt spray, oil mist, high humidity and microorganisms in the marine environment and extend the service life of the device. Attached Figure Description

[0024] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0025] Figure 1 This is a schematic diagram of the external structure of the electrical engineering cable protection device described in an embodiment of the present utility model;

[0026] Figure 2 This is a schematic diagram of the internal structure of the electrical engineering cable protection device described in an embodiment of the present utility model;

[0027] Figure 3 This is a schematic diagram of the internal structure of the protective shell according to an embodiment of the present utility model;

[0028] Figure 4 This is a schematic diagram of the installation position structure of the positioning seat according to an embodiment of the present utility model.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1-Protective shell, 2-Cable protection chain shell, 3-Positioning seat, 4-Upper shell, 5-Lower shell, 6-Shell, 7-Cable conduit, 8-Sealing gasket, 9-Elastic sealing layer, 10-Sealing ring, 11-Cable, 12-Connecting pipe, 13-Chain block, 14-Fixing sleeve, 15-Base, 16-Arc-shaped support seat, 17-Elastic rubber layer, 18-Arc-shaped support steel strip. Detailed Implementation

[0031] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments of the present invention can be combined with each other.

[0032] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0035] like Figures 1 to 4 As shown, an electrical engineering cable protection device includes a protective shell 1, a cable protection chain shell 2, and a positioning seat 3;

[0036] The protective shell 1 is detachably enclosed by an upper shell 4 and a lower shell 5 with identical structures, including a shell 6 with an internal cavity structure and cable passage pipes 7 located at the left and right ends of the shell 6; sealing gaskets 8 are provided at the contact points of the upper shell 4 and the lower shell 5, and the upper shell 4 and the lower shell 5 are detachably connected by bolts and nuts; the vertical cross-section of the inner cavity of the protective shell 1 is circular, and the surface of the protective shell 1 is provided with an anti-corrosion and wear-resistant coating; one end of the cable passage pipe 7 extends into the inner cavity of the shell 6; an elastic sealing layer 9 is provided on the inner wall of the cable passage pipe 7, and multiple raised sealing rings 10 are evenly distributed along the axial direction on the elastic sealing layer 9;

[0037] The cable protection chain shell 2 has a channel for passing the cable 11 through it; there are two cable protection chain shells 2, which are detachably connected to the outward end of the two cable passage pipes 7 by means of flange connection, and a sealing gasket is provided at the contact point of the two; the surface of the cable protection chain shell 2 is covered with an anti-corrosion and wear-resistant coating; the cable protection chain shell 2 includes a connecting pipe 12, a plurality of chain blocks 13 with internal channels connected end to end, and a fixing sleeve 14; one end of the connecting pipe 12 is connected to the outward end of the cable passage pipe 7, and the other end is connected to the chain block 13 located at the first end; the chain block 13 located at the tail end is connected to the fixing sleeve 14; the inner wall of the connecting pipe 12 and the inner wall of the channel of the chain block 13 are covered with an elastic corrosion-resistant layer; the fixing sleeve 14 is an elastic corrosion-resistant ring structure that can be fitted on the cable 11;

[0038] The positioning seat 3 includes a base 15 and an arc-shaped support seat 16 disposed on the base 15; there are two positioning seats 3, which are symmetrically installed on the inner walls of the upper shell 4 and the lower shell 5 through their respective bases 15; the arc-shaped support seat 16 includes an elastic rubber layer 17 and an arc-shaped support steel strip 18 embedded in the elastic rubber layer 17, and the arc-shaped grooves of the two arc-shaped support seats 16 form a circle for supporting and positioning the cable 11.

[0039] The assembly process of the electrical engineering cable protection device described in this utility model is as follows:

[0040] First, place the two cable protection chain shells 2 onto the cables 11 at both ends of the cable connection; then, place the cables 11 into the lower shell 5, ensuring that the connection is located within the arc-shaped support 16 of the lower shell 5, and that both ends of the cables 11 are located in the lower half of the corresponding cable passage pipes 7 in the lower shell 5; then, cover the lower shell 5 with the upper shell 4, ensuring that all positions correspond, and tighten the upper shell 4 and the lower shell 5 with bolts and nuts; adjust the position of the two cable protection chain shells 2, and then install the two cable protection chain shells 2 on the outer ends of the two cable passage pipes 7 through flange connection, thus completing the assembly.

[0041] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An electrical engineering cable protection device, characterized in that, The utility model relates to a cable protection chain shell, and a cable protection chain shell is connected with the cable penetrating pipeline through the flange connection mode, and the cable penetrating pipeline and the cable protection chain shell are provided with sealing pads at the contact positions. The utility model relates to a cable protection chain shell, and a cable protection chain shell is connected with the cable penetrating pipeline through the flange connection mode, and the cable penetrating pipeline and the cable protection chain shell are provided with sealing pads at the contact positions. The utility model relates to a cable protection chain shell, and a cable protection chain shell is connected with the cable penetrating pipeline through the flange connection mode, and the cable penetrating pipeline and the cable protection chain shell are provided with sealing pads at the contact positions. The utility model relates to a cable protection chain shell, and a cable protection chain shell is connected with the cable penetrating pipeline through the flange connection mode, and the cable penetrating pipeline and the cable protection chain shell are provided with sealing pads at the contact positions.

2. The electrical engineering cable protection device according to claim 1, characterized in that: The utility model relates to a cable protection chain shell, and a cable protection chain shell is connected with the cable penetrating pipeline through the flange connection mode, and the cable penetrating pipeline and the cable protection chain shell are provided with sealing pads at the contact positions.

3. The electrical engineering cable protection device according to claim 1, characterized in that: The utility model relates to a cable protection chain shell, and a cable protection chain shell is connected with the cable penetrating pipeline through the flange connection mode, and the cable penetrating pipeline and the cable protection chain shell are provided with sealing pads at the contact positions.

4. The electrical engineering cable protection device according to claim 3, characterized in that: The utility model relates to a cable protection chain shell, and a cable protection chain shell is connected with the cable penetrating pipeline through the flange connection mode, and the cable penetrating pipeline and the cable protection chain shell are provided with sealing pads at the contact positions.

5. The electrical engineering cable protection device according to claim 1, characterized in that: The utility model relates to a cable protection chain shell, and a cable protection chain shell is connected with the cable penetrating pipeline through the flange connection mode, and the cable penetrating pipeline and the cable protection chain shell are provided with sealing pads at the contact positions.

6. The electrical engineering cable protection device according to claim 1, characterized in that: The utility model relates to a cable protection chain shell, and a cable protection chain shell is connected with the cable penetrating pipeline through the flange connection mode, and the cable penetrating pipeline and the cable protection chain shell are provided with sealing pads at the contact positions.

7. The electrical engineering cable protection device according to claim 1, characterized in that: The utility model relates to a cable protection chain shell, and a cable protection chain shell is connected with the cable penetrating pipeline through the flange connection mode, and the cable penetrating pipeline and the cable protection chain shell are provided with sealing pads at the contact positions. The utility model relates to a cable protection chain shell, and a cable protection chain shell is connected with the cable penetrating pipeline through the flange connection mode, and the cable penetrating pipeline and the cable protection chain shell are provided with sealing pads at the contact positions. The utility model relates to a cable protection chain shell, and a cable protection chain shell is connected with the cable penetrating pipeline through the flange connection mode, and the cable penetrating pipeline and the cable protection chain shell are provided with sealing pads at the contact positions.