Terminal insulation platform of cable pole tower

By combining a base plate made of insulating material with a steel frame and opposing angle steel on the cable tower to form a terminal insulation platform, the problems of heating and induced electricity caused by electromagnetic circulation current are solved, thereby improving the insulation level and safety of the cable.

CN223553007UActive Publication Date: 2025-11-14INNER MONGOLIA ELECTRIC POWER SURVEY & DESIGN INST
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423079197.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-14
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Existing cable termination platforms suffer from heating and induced current problems caused by electromagnetic circulation, which affect the insulation level and service life of cables and are prone to causing live-line accidents.

Method used

The base plate, made of insulating material, is combined with the steel frame and opposing angle steel to form the terminal insulation platform of the cable tower, reducing electromagnetic currents and improving insulation level and safety.

Benefits of technology

It effectively reduces electromagnetic circulating currents, improves the insulation level and service life of cables, and reduces the risk of live-line accidents.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223553007U_ABST
    Figure CN223553007U_ABST
Patent Text Reader

Abstract

The utility model provides a terminal insulation platform of a cable pole tower. The terminal insulation platform comprises a steel pipe pole; the steel frame is fixedly connected with the steel pipe pole; the opposite angle steel is fixedly connected with the steel frame; the bottom plate is fixedly connected with the steel frame through the opposite angle steel; wherein the bottom plate is made of an insulating material, and the bottom plate is arranged in a gap of the steel frame and supports a cable passing through a tower. According to the scheme of the utility model, electromagnetic circulation in the cable can be reduced, the insulation level and safety of the cable are improved, and the service life is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of cable tower technology, and in particular to a terminal insulation platform for cable towers. Background Technology

[0002] Cable terminal towers are required at the connection points between 110kV and above cable lines and overhead lines. Currently, conventional cable terminal towers are connected to overhead lines using a terminal platform method. However, after years of operation, the following problems have been found: the cable terminal platform is generally made of the same material as the cable terminal tower, usually steel. When a single-core cable passes through a closed-loop steel cable platform, electromagnetic currents are generated, causing the steel platform to heat up and become induced, affecting the cable insulation level, reducing the cable's service life, and easily causing energization accidents when the cable line fails. Utility Model Content

[0003] The technical problem this invention aims to solve is to provide a terminal insulation platform for cable towers. This terminal insulation platform can reduce electromagnetic circulating currents in cables, thereby improving the insulation level, safety, and service life of the cables.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0005] A terminal insulation platform for a cable tower, comprising:

[0006] Steel pipe pole;

[0007] The steel frame is fixedly connected to the steel pipe pole;

[0008] Opposing angle steels fixedly connected to the steel frame;

[0009] The base plate is fixedly connected to the steel frame by the opposing angle steel;

[0010] The base plate is made of insulating material and is disposed in the gap of the steel frame to support the cable passing through the tower.

[0011] Optionally, the terminal insulation platform of the cable tower may further include: a cable terminal base plate support fixedly connected to the steel frame.

[0012] Optionally, the terminal insulation platform of the cable tower may further include: a cable terminal mounting base plate fixedly connected to the cable terminal base plate support base.

[0013] Optionally, the terminal insulation platform of the cable tower may further include: a surge arrester base plate support fixedly connected to the steel frame.

[0014] Optionally, the terminal insulation platform of the cable tower may further include: a surge arrester mounting base plate fixedly connected to the surge arrester base plate support base.

[0015] Optionally, the base plate is made of fiberglass insulated base plate.

[0016] Optionally, the base plate adopts a grid structure with perforations.

[0017] Optionally, the steel pipe rod is made of stainless steel.

[0018] Optionally, the steel frame is made of stainless steel.

[0019] Optionally, the opposing angle steel is made of stainless steel.

[0020] The terminal insulation platform described in the above-described solution of this utility model includes: a steel pipe pole; a steel frame fixedly connected to the steel pipe pole; opposing angle steels fixedly connected to the steel frame; and a base plate fixedly connected to the steel frame via the opposing angle steels. The base plate is made of insulating material and is disposed within the gaps in the steel frame to support cables passing through the pole. This reduces electromagnetic currents in the cables, improving their insulation level, safety, and service life. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the terminal insulation platform of the cable tower according to this utility model;

[0022] Figure 2 This is a schematic diagram of the support frame for the terminal insulation platform of the cable tower according to this utility model;

[0023] Figure 3 This is a schematic diagram of the installation of opposing angle steel for the terminal insulation platform of the cable tower according to this utility model;

[0024] Figure 4 This is a side view of a single base plate of the terminal insulation platform of the cable tower of this utility model;

[0025] Figure 5 This is a schematic diagram of the equipment base installation for the terminal insulation platform of the cable tower according to this utility model;

[0026] Figure 6 This is a schematic diagram showing the completed installation of the terminal insulation platform of the cable tower according to this utility model.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1-Steel pipe pole; 2-Steel frame; 3-Opposing angle steel; 4-Base plate; 5-Cable terminal base plate support base; 6-Cable terminal mounting base plate; 7-Surge arrester base plate support base; 8-Surge arrester mounting base plate. Detailed Implementation

[0029] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0030] like Figure 1 As shown, an embodiment of this utility model proposes a terminal insulation platform for a cable tower, comprising:

[0031] Steel pipe pole 1;

[0032] The steel frame 2 is fixedly connected to the steel pipe pole 1;

[0033] Opposing angle steels 3 are fixedly connected to the steel frame 2;

[0034] The base plate 4 is fixedly connected to the steel frame 2 via the opposing angle steel 3;

[0035] The base plate 4 is made of insulating material and is disposed in the gap of the steel frame 2 to support the cable passing through the tower.

[0036] In this embodiment, as Figure 1 As shown, the terminal insulation platform located at the upper end of the cable tower is fixed to the steel pipe pole 1. The steel pipe pole 1 is perpendicular to the plane of the terminal insulation platform, providing strong support for the terminal insulation platform. The steel frame 2 includes multiple horizontal steel bars spaced at preset intervals. The steel bars of the steel frame 2 extend outward to form a platform base. Opposing angle steels 3 are fixedly installed on both sides of each horizontal steel bar of the steel frame 2. The opposing angle steels 3 are L-shaped, and the sides of the opposing angle steels 3 are fixedly connected to the horizontal steel bars. The bottom edge of the opposing angle steels 3 is kept on the same plane as the bottom of the horizontal steel bars. Figure 4 As shown, the base plate 4 is fixedly connected to the opposing angle steel 3. The base plate 4 is inserted into the gap of the steel frame 2 through the opposing angle steel 3. The base plate 4 is made of insulating material. The base plate 4 is set in the gap of the steel frame 2 to provide support for the cable passing through the tower. The steel frame 2, angle steel 3, and base plate 4 cooperate with each other to form a terminal insulation platform of the cable tower. This terminal insulation platform of the cable tower can reduce the electromagnetic current in the cable and improve the insulation level, safety and service life of the cable.

[0037] like Figure 5 As shown, in an optional embodiment of the present invention, the terminal insulation platform of the cable tower further includes: a cable terminal base plate support 5 fixedly connected to the steel frame 2.

[0038] In this embodiment, as Figure 5As shown, the cable terminal base plate support 5 is fixed on the steel frame 2 and is distributed perpendicularly to the steel rods of the steel frame 2 to form a stable support base.

[0039] like Figure 5 As shown, in an optional embodiment of the present invention, the terminal insulation platform of the cable tower further includes: a cable terminal mounting base plate 6 fixedly connected to the cable terminal base plate support base 5.

[0040] In this embodiment, as Figure 5 As shown, the cable terminal mounting base plate 6 is fixed on the cable terminal base plate support base 5 and is used to install and fix the cable terminal. The cable terminal mounting base plates 6 are arranged at intervals according to the connection position of the cable terminal.

[0041] like Figure 5 As shown, in an optional embodiment of the present invention, the terminal insulation platform of the cable tower further includes: a surge arrester base plate support 7 fixedly connected to the steel frame 2.

[0042] In this embodiment, as Figure 5 As shown, the surge arrester base plate support 7 is fixed on the steel frame 2, and is distributed perpendicularly to the steel rods of the steel frame 2. It is set parallel to the cable terminal base plate support 5 to form a stable support base.

[0043] like Figure 5 As shown, in an optional embodiment of the present invention, the terminal insulation platform of the cable tower further includes: a surge arrester mounting base plate 8 fixedly connected to the surge arrester base plate support base 7.

[0044] In this embodiment, as Figure 5 As shown, the surge arrester mounting base plate 8 is fixed on the surge arrester base plate support 7 and is used to install and fix the surge arrester. The surge arrester mounting base plates 8 are arranged at intervals according to the installation position of the surge arrester.

[0045] In an optional embodiment of this utility model, the base plate 4 is a fiberglass insulating base plate.

[0046] In this embodiment, the base plate 4 is made of high-strength fiberglass insulation material. The base plate made of this material is sturdy and durable, and a single piece can withstand a weight of more than 2 tons, which is convenient for the team of maintenance personnel to work and carry work tools.

[0047] In an optional embodiment of this utility model, the base plate 4 adopts a grid structure with perforations.

[0048] In this embodiment, the base plate 4 adopts a grid structure with perforations, which can effectively solve the problem of water accumulation in rainy and snowy weather.

[0049] In one optional embodiment of this utility model, the steel pipe rod 1 is made of stainless steel.

[0050] In this embodiment, the steel pipe rod 1 is made of stainless steel. The stainless steel body is durable, has high impact resistance and strong seismic performance. The stainless steel surface has a dense oxide layer, which has excellent corrosion resistance and greatly extends the service life.

[0051] In an optional embodiment of this utility model, the steel frame 2 is made of stainless steel.

[0052] In this embodiment, the steel frame 2 is made of stainless steel. The stainless steel body is durable, has high impact resistance and strong seismic performance. The stainless steel surface has a dense oxide layer, which has excellent corrosion resistance and greatly extends its service life.

[0053] In an optional embodiment of this utility model, the opposing angle steel 3 is made of stainless steel.

[0054] In this embodiment, the opposing angle steel 3 is made of stainless steel. The stainless steel body is durable, has high impact resistance and strong seismic performance. The stainless steel surface has a dense oxide layer, which has excellent corrosion resistance and greatly extends its service life.

[0055] When installing the terminal insulation platform of the cable tower, first fix the steel frame 2 to the upper end of the steel pipe pole 1, such as... Figure 2 As shown, securely connect the steel frame 2 to the steel pipe pole 1; then, as... Figure 3 As shown, opposing angle steel 3 is installed on both sides of the steel rod of steel frame 2. The side view of the installation of opposing angle steel 3 is as follows. Figure 4 As shown; again, as Figure 1 As shown, base plate 4 is installed on opposite angle steel 3, and base plate 4 is installed in the gap of steel frame 2; next, cable terminal base plate support base 5 is installed vertically and crosswise above steel frame 2, and cable terminal installation base plate 6 is installed at an appropriate position on cable terminal base plate support base 5 to provide conditions for cable terminal installation; surge arrester base plate support base 7 is installed vertically and crosswise above steel frame 2, and surge arrester installation base plate 8 is installed at an appropriate position on surge arrester base plate support base 7 to provide conditions for surge arrester installation; finally, the terminal insulation platform of the completed cable tower is formed, as shown. Figure 6 As shown.

[0056] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A terminal insulation platform for a cable tower, characterized in that, include: Steel pipe pole (1); A steel frame (2) fixedly connected to the steel pipe rod (1); Opposing angle steels (3) are fixedly connected to the steel frame (2); The base plate (4) is fixedly connected to the steel frame (2) by the opposing angle steel (3); The base plate (4) is made of insulating material and is placed in the gap of the steel frame (2) to support the cable passing through the tower.

2. The terminal insulation platform of the cable tower according to claim 1, characterized in that, Also includes: Cable terminal base plate support base (5) is fixedly connected to the steel frame (2).

3. The terminal insulation platform of the cable tower according to claim 2, characterized in that, Also includes: The cable terminal mounting base plate (6) is fixedly connected to the cable terminal base plate support base (5).

4. The terminal insulation platform of the cable tower according to claim 1, characterized in that, Also includes: The surge arrester base plate support base (7) is fixedly connected to the steel frame (2).

5. The terminal insulation platform of the cable tower according to claim 4, characterized in that, Also includes: The surge arrester mounting base (8) is fixedly connected to the surge arrester base plate support base (7).

6. The terminal insulation platform of the cable tower according to claim 1, characterized in that, The base plate (4) is made of fiberglass insulated base plate.

7. The terminal insulation platform of the cable tower according to claim 6, characterized in that, The base plate (4) adopts a grid structure with perforations.

8. The terminal insulation platform of the cable tower according to claim 1, characterized in that, The steel pipe pole (1) is made of stainless steel.

9. The terminal insulation platform of the cable tower according to claim 1, characterized in that, The steel frame (2) is made of stainless steel.

10. The terminal insulation platform of the cable tower according to claim 1, characterized in that, The opposing angle steel (3) is made of stainless steel.