Overhead high-voltage cable protection device

Abstract

The utility model discloses an overhead high-voltage cable protection device. The device comprises a first annular hoop, two first brackets, a bottom plate and an insulating cover plate, the first annular hoop can be detachably hooped on an electric pole; the two first brackets are arranged below the bottom plate in parallel; the first supports are crossed, the upper ends of the first supports are detachably fixed to the bottom plate, and the crossed points of the first supports are detachably fixed to the first annular hoop; the insulating cover plate is inverted-U-shaped, and the side plate of the insulating cover plate is detachably fixed on the bottom plate. A containing part is formed between the insulation cover plate and the bottom plate, the containing part can contain the upper ends of an electric power cross arm, an insulator and an electric pole, key components such as a high-voltage cable, a porcelain bottle and the cross arm are protected in an all-around mode, puncture of high-voltage electric arcs is effectively resisted, impact and damage of external objects and devices are prevented, and therefore effective protection of high-altitude construction operation is achieved. In addition, the device is convenient to disassemble, assemble, transport and reuse, the construction process is simplified, and the construction efficiency and safety are improved.

Description

Technical Field

[0001] The utility model relates to the field of electric power construction, in particular to an overhead high-voltage electric cable protection device. Background Art

[0002] With the development of society, the number of municipal road, bridge and pipe network construction projects has continued to increase. In these projects, the use of construction measures such as high-altitude hoisting operations and steel sheet pile installation and removal has become increasingly frequent, which has put forward higher requirements for construction technology and management.

[0003] High-voltage poles and the high-voltage cables they carry, such as 10kV and 35kV, are important components of the city's power supply system. These power cables are responsible for providing stable and reliable power supply to various areas of the city, which is of great significance for ensuring the normal operation of the city.

[0004] Since power cables carry the important task of ensuring power supply, power outages cannot be allowed at will. At the same time, the power property rights department has very strict control over power relocation, and the relocation procedures are complicated, the approval cycle is long, and the relocation costs are high. Utility Model Content

[0005] In order to simplify the construction process, improve construction efficiency, and increase the product variety of overhead cable protection devices, an embodiment of the utility model provides an overhead high-voltage electric cable protection device.

[0006] The utility model embodiment provides an overhead high-voltage electric cable protection device, comprising a first annular clamp, two first brackets, a bottom plate and an insulating cover plate;

[0007] The first annular clamp can be detachably clamped to the pole;

[0008] The two first brackets are arranged in parallel below the bottom plate;

[0009] The first bracket is in a cross shape, the upper end of the first bracket is detachably fixed to the bottom plate, and the intersection of the first bracket is detachably fixed to the first annular hoop;

[0010] The insulating cover plate is in an inverted U shape, and its side plate is detachably fixed to the bottom plate;

[0011] A receiving portion is formed between the insulating cover plate and the bottom plate, and the receiving portion can receive the upper end of the power cross arm, the insulator and the pole.

[0012] In one or some optional embodiments, the first annular hoop includes two first arc-shaped flat steels and two first fasteners;

[0013] The first arc-shaped flat steel is semicircular, and first wing plates are provided at both ends thereof;

[0014] The first wing plates of the two first arc-shaped flat steels are abutted against each other to form a ring shape, and the two first fasteners pass through the corresponding first wing plates respectively and are locked.

[0015] In one or some optional embodiments, the overhead high-voltage cable protection device further includes a second annular clamp and two second brackets;

[0016] The second annular clamp can be detachably clamped to the pole;

[0017] The two second brackets are arranged in parallel below the bottom plate and are staggered with the two first brackets;

[0018] The second bracket is in a cross shape, the upper end of the second bracket can be detachably fixed to the bottom plate, and the intersection of the second bracket can be detachably fixed to the second annular hoop.

[0019] In one or some optional embodiments, the second annular hoop includes two second arc-shaped flat steels and two second fasteners;

[0020] The second arc-shaped flat steel is semicircular, and has second wing plates at both ends;

[0021] The second wing plates of the two second arc-shaped flat steels are abutted against each other to form a ring shape, and the two second fasteners pass through the corresponding second wing plates respectively and are locked.

[0022] In one or some optional embodiments, the top plate of the insulating cover plate includes a first upper plate and a first lower plate;

[0023] A first slide rail is installed on the upper surface of the first lower plate, and a first slider is installed on the lower surface of the first upper plate. The first slider is inserted into the first slide rail and can slide relative to the first slide rail.

[0024] In one or some optional embodiments, the bottom plate includes a second upper plate and a second lower plate;

[0025] A second slide rail is installed on the upper surface of the second lower plate, and a second slider is installed on the lower surface of the second upper plate. The second slider is inserted into the second slide rail and can slide relative to the second slide rail.

[0026] In one or some optional embodiments, the second upper plate and the second lower plate are detachably connected;

[0027] The second upper plate and the second lower plate are both provided with openings on one side close to the first annular hoop to accommodate the electric pole.

[0028] In one or some optional embodiments, the overhead high-voltage electric cable protection device further comprises a first angle steel connector disposed above the bottom plate;

[0029] The horizontal plate of the first angle steel connector is detachably fixed to the bottom plate;

[0030] The vertical plate of the first angle steel connector is detachably fixed to the insulating cover plate.

[0031] In one or some optional embodiments, the overhead high-voltage electric cable protection device further comprises a second angle steel connector disposed below the bottom plate;

[0032] The horizontal plate of the second angle steel connector is detachably fixed to the bottom plate;

[0033] The vertical plate of the second angle steel connector can be detachably fixed to the corresponding first bracket.

[0034] In one or some optional embodiments, the insulating cover is made of polyvinyl chloride.

[0035] The beneficial effects of the above technical solution provided by the embodiment of the utility model include at least:

[0036] The overhead high-voltage electric cable protection device provided by the embodiment of the utility model firmly supports the base plate and the insulating cover plate through the first annular clamp and the first bracket. The insulator, crossarm and cables near the crossarm can be accommodated in the accommodation portion between the insulating cover plate and the base plate. The insulating cover plate can resist the puncture of high-voltage arcs and effectively isolate the current, thereby significantly reducing the risk of workers suffering electric shock injuries due to arc puncture. The accommodation portion formed by the base plate and the insulating cover plate can also provide all-round protection for key components such as high-voltage cables, porcelain bottles, crossarms, etc., and effectively prevent external objects from hitting and damaging them, thereby achieving effective protection for high-altitude construction operations, avoiding the inconvenience caused by power outages, and avoiding unnecessary cable relocation work. The device has a simple structure, is easy to disassemble, transport and reuse, simplifies the construction process, and greatly improves construction efficiency and safety.

[0037] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures particularly pointed out in the written description and the drawings.

[0038] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0040] Figure 1 A front view of an overhead high-voltage electric cable protection device provided by an embodiment of the utility model;

[0041] Figure 2 A side view of an overhead high-voltage electric cable protection device provided by an embodiment of the utility model;

[0042] Figure 3 A schematic diagram of the structure of the insulating cover provided by an embodiment of the utility model;

[0043] Figure 4 A schematic structural diagram of a base plate provided in an embodiment of the utility model.

[0044] In the figure:

[0045] 1. first annular hoop; 11. first arc-shaped flat steel; 111. first wing plate; 12. first fastener;

[0046] 2. The first bracket; 21. The first flat steel;

[0047] 3. Bottom plate; 31. Second upper plate; 32. Second lower plate; 33. Second slide rail; 34. Opening;

[0048] 4. Insulation cover plate; 41. Top plate; 411. First upper plate; 412. First lower plate; 413. First slide rail; 414. First stopper; 42. Side plate;

[0049] 5. second annular hoop; 51. second arc-shaped flat steel; 511. second wing plate; 52. second fastener;

[0050] 6. The second bracket; 61. The second flat steel;

[0051] 7. First angle steel connector; 8. Second angle steel connector; 9. Third angle steel connector;

[0052] 10. Electric pole; 20. Cross arm; 30. Insulator; 40. Accommodation part. DETAILED DESCRIPTION

[0053] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0054] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "far", "near", "front", "rear" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0055] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] The inventors found that power cables are easily damaged during construction operations such as high-altitude lifting operations and steel sheet pile installation and removal. If the power cables are relocated, there are obstacles such as high construction costs and inconvenience caused by power outages, which increases the difficulty of power construction involved in the construction of municipal roads, bridges and municipal pipelines.

[0057] Based on this, the utility model provides an overhead high-voltage electric cable protection device, which is described in detail below through specific embodiments.

[0058] The utility model provides an overhead high voltage cable protection device, referring to Figure 1 and Figure 2 As shown, it includes a first annular hoop 1, two first brackets 2, a bottom plate 3 and an insulating cover plate 4;

[0059] The first annular clamp 1 can be detachably clamped to the pole 10;

[0060] Two first brackets 2 are arranged in parallel below the bottom plate 3;

[0061] The first bracket 2 is in a cross shape, the upper end of the first bracket 2 can be detachably fixed to the bottom plate 3, and the intersection of the first bracket 2 can be detachably fixed to the first annular hoop 1;

[0062] The insulating cover plate 4 is in an inverted U shape, and its side plate 42 is detachably fixed to the bottom plate 3;

[0063] An accommodation portion 40 is formed between the insulating cover plate 4 and the bottom plate 3 , and the accommodation portion 40 can accommodate the power cross arm 20 , the insulator 30 and the upper end of the pole 10 .

[0064] In this embodiment, refer to Figure 1 and Figure 2 As shown, the insulating cover plate 4 is fixed above the base plate 3, and a receiving portion 40 for protecting the insulator 30, the cross arm 20 and the cables near the cross arm 20 is formed between the base plate 3 and the insulating cover plate 4. Since the first annular clamp 1 is fixed to the pole 10, one end of the first bracket 2 is fixed to the first annular clamp 1, and the other end is fixed to the base plate 3, thereby supporting the base plate 3, so that the base plate 3 and the insulating cover plate 4 protect the power facilities in the sky, and since the first annular clamp 1, the first bracket, the base plate 3 and the cover plate are all detachably connected, after the construction is completed, the overhead high-voltage cable protection device can be quickly and conveniently dismantled without causing damage to the power facilities such as the pole 10. The dismantled overhead high-voltage cable protection device can also be repeatedly used, thereby improving the construction efficiency and economic benefits.

[0065] The overhead high-voltage electric cable protection device provided by the embodiment of the utility model firmly supports the base plate 3 and the insulating cover plate 4 through the first annular clamp 1 and the first bracket 2. The insulator 30, the cross arm 20 and the cables near the cross arm 20 can be accommodated in the accommodating portion 40 between the insulating cover plate 4 and the base plate 3. The insulating cover plate 4 can resist the puncture of the high-voltage arc and effectively isolate the current, thereby significantly reducing the risk of operators suffering from electric shock injuries due to arc puncture. The accommodating portion 40 formed by the base plate 3 and the insulating cover plate 4 can also provide all-round protection for key components such as high-voltage cables, porcelain bottles, and cross arms 20, effectively preventing external objects from hitting and damaging them, thereby achieving effective protection for high-altitude construction operations, avoiding the inconvenience caused by power outages, and avoiding unnecessary cable relocation work. In addition, the device has a simple structure, is easy to disassemble and transport, simplifies the construction process, and greatly improves construction efficiency and safety.

[0066] In a specific embodiment, referring to Figure 1 and Figure 2 As shown, the plane where the first bracket 2 is located is parallel to the side wall of the pole 10. The first bracket 2 may include two cross-arranged first flat steels 21. Specifically, the upper ends of the two first flat steels 21 are respectively fixed to the edges of the lower surface of the bottom plate 3, so that the two first flat steels 21 are axially symmetrically arranged, and the bottom plate 3 and the first bracket 2 form a triangular stable structure, so as to achieve stable support of the bottom plate 3 and the cover plate.

[0067] In this embodiment, refer to Figure 1 and Figure 2As shown, the overhead high-voltage cable protection device also includes a second annular clamp 5 and two second brackets 6. The second annular clamp 5 can be detachably clamped to the pole 10, and the two second brackets 6 are arranged in parallel below the bottom plate 3; the second brackets 6 are arranged in a cross shape, and their upper ends can be detachably fixed to the bottom plate 3, and their intersections can be detachably fixed to the second annular clamp 5 to support the bottom plate 3. The two second brackets 6 are staggered with the two first brackets 2, and the two first brackets 2 are symmetrically arranged on the sides of the pole 10, and the two second brackets 6 are symmetrically arranged on the sides of the pole 10, so that the bottom plate 3 is evenly stressed, further ensuring the stable support of the bottom plate 3 and the insulating cover plate 4.

[0068] In a specific embodiment, referring to Figure 1 and Figure 2 As shown, the plane where the second bracket 6 is located is parallel to the side wall of the pole 10. The second bracket 6 may include two cross-arranged second flat steels 61. Specifically, the upper ends of the two second flat steels 61 are respectively fixed to the edges of the lower surface of the bottom plate 3, so that the two second flat steels 61 are axially symmetrically arranged, and the bottom plate 3 and the second bracket 6 form a triangular stable structure, so as to achieve stable support for the bottom plate 3 and the insulating cover plate 4.

[0069] In a specific embodiment, referring to Figure 1 and Figure 2 As shown, the first annular clamp 1 includes two first arc-shaped flat steels 11 and two first fasteners 12. The first arc-shaped flat steels 11 are semicircular, and first wing plates 111 are provided at both ends. The first wing plates 111 of the two first arc-shaped flat steels 11 are abutted against each other to form a ring. When in use, the two first arc-shaped flat steels 11 are respectively pressed against the outer wall of the pole 10, and then the two first fasteners 12 are respectively passed through the corresponding first wing plates 111 and locked, so that the pole 10 can be clamped.

[0070] Similarly, refer to Figure 1 and Figure 2 As shown, the second annular clamp 5 includes two second arc-shaped flat steels 51 and two second fasteners 52. The second arc-shaped flat steels 51 are semicircular, and second wing plates 511 are provided at both ends. The second wing plates 511 of the two second arc-shaped flat steels 51 are abutted against each other to form a ring. When in use, the two second arc-shaped flat steels 51 are respectively pressed against the outer wall of the pole 10, and then the two second fasteners 52 are respectively passed through the corresponding second wing plates 511 and locked, so that the pole 10 can be clamped.

[0071] In a specific embodiment, referring to Figure 1 and Figure 2As shown, the first annular clamp 1 and the second annular clamp 5 are fixed to the pole 10 in an alternating manner up and down. Specifically, the distance between the first annular clamp 1 and the second annular clamp 5 and the base plate 3 can be reasonably set according to the length or width of the base plate 3, so that a triangle with a smaller difference in side length is formed between the first bracket 2 and the second bracket 6 and the base plate 3, thereby ensuring stability while reducing material waste and improving aesthetics.

[0072] In this embodiment, refer to Figure 1 and Figure 2 As shown, the overhead high-voltage cable protection device also includes two first angle steel connectors 7 arranged on the upper and lower edges of the base plate 3, and the first angle steel connector 7 is used to connect the base plate 3 and the insulating cover plate 4. Specifically, the horizontal plate of the first angle steel connector 7 is detachably fixed to the base plate 3, and the vertical plate of the first angle steel connector 7 is detachably fixed to the two side plates 42 of the insulating cover plate 4, and in order to ensure a stable connection, the insulating cover plate 4 is located between the vertical plates of the two first angle steel connectors 7. The vertical plate of the first angle steel connector 7 and the insulating cover plate 4 are locked and connected by a plurality of fastening bolts to achieve a detachable fixed connection, and a plurality of fastening bolts are evenly distributed in rows on the vertical plate of the first angle steel connector 7, and are locked after passing through the side plates 42 of the insulating cover plate 4 and the vertical plate of the first angle steel connector 7, thereby ensuring uniform force.

[0073] In this embodiment, refer to Figure 1 and Figure 2 As shown, the overhead high-voltage electric cable protection device also includes a second angle steel connector 8 arranged at the lower edge of the bottom plate 3, and the second angle steel connector 8 is used to connect the bottom plate 3 and the first bracket 2. Specifically, the horizontal plate of the second angle steel connector 8 is detachably fixed to the bottom plate 3, and the vertical plate of the second angle steel connector 8 is detachably fixed to the corresponding first flat steel 21. The horizontal plate of the first angle steel connector 7, the bottom plate 3, and the horizontal plate of the second angle steel connector 8 overlap from top to bottom, and a plurality of fastening bolts are sequentially passed through the horizontal plate of the first angle steel connector 7, the bottom plate 3, and the horizontal plate of the second angle steel connector 8 and locked to achieve a detachable fixed connection.

[0074] In this embodiment, refer to Figure 1 and Figure 2 As shown, the upper end of the first flat steel 21 is detachably fixed to the second angle steel connector 8 by fastening bolts, and the intersection of the corresponding two second flat steels 61 is detachably fixed to the first annular clamp 1 by fastening bolts.

[0075] In this embodiment, refer to Figure 1 and Figure 2As shown, the overhead high-voltage electric cable protection device also includes a third angle steel connector 9 provided at the lower edge of the bottom plate 3, and the third angle steel connector 9 is used to connect the bottom plate 3 and the second bracket 6. Specifically, the horizontal plate of the third angle steel connector 9 is detachably fixed to the bottom plate 3, and the vertical plate of the third angle steel connector 9 is detachably fixed to the corresponding second flat steel 61. The bottom plate 3 and the horizontal plate of the third angle steel connector 9 overlap from top to bottom, and a plurality of fastening bolts are sequentially passed through the bottom plate 3 and the horizontal plate of the third angle steel connector 9 and locked to achieve a detachable fixed connection.

[0076] In this embodiment, refer to Figure 1 and Figure 2 As shown, the upper end of the second flat steel 61 is detachably fixed to the third angle steel connector 9 by fastening bolts, and the intersection of the corresponding two second flat steels 61 is detachably fixed to the second annular clamp 5 by fastening bolts.

[0077] The overhead high-voltage electric cable protection device provided by the embodiment of the utility model comprises a first annular clamp 1, a first bracket 2, a second annular clamp 5, a second bracket 6 and a base plate 3 together forming a stable force-bearing system, and an insulating cover plate 4 is fixed above the base plate 3 to form a accommodating portion 40 with a protective function, which provides all-round protection for key components such as high-voltage cables, porcelain bottles, and crossarms 20, effectively preventing them from being hit or damaged by external objects, thereby achieving effective protection for high-altitude construction operations.

[0078] In a specific embodiment, in order to make the receiving portion 40 formed by the insulating cover plate 4 and the bottom plate 3 suitable for most cross arms 20 of different specifications, the insulating cover plate 4 and the bottom plate 3 can be configured as a retractable structure.

[0079] Specifically, refer to Figure 1 and Figure 3 As shown, the top plate 41 of the insulating cover plate 4 includes a first upper plate 411 and a first lower plate 412, and the first upper plate 411 and the first lower plate 412 are respectively connected to different side plates 42 in one piece, a first slide rail 413 is installed on the upper surface of the first lower plate 412, and a first slider (not shown in the figure) is installed on the lower surface of the first upper plate 411, and the first slider is inserted into the first slide rail 413 and can slide relative to the first slide rail 413, thereby realizing the retractability of the insulating cover plate 4. A first stopper 414 can be set at both ends of the first slide rail 413 to prevent the first slider from sliding out of the first slide rail 413 and causing the first upper plate 411 and the first lower plate 412 to separate.

[0080] Specifically, refer to Figure 1 and Figure 4As shown, the bottom plate 3 may include a second upper plate 31 and a second lower plate 32, a second slide rail 33 is installed on the upper surface of the second lower plate 32, and a second slider (not shown in the figure) is installed on the lower surface of the second upper plate 31, and the second slider is inserted into the second slide rail 33 and can slide relative to the second slide rail 33, thereby realizing the retractability of the bottom plate 3. An opening 34 is provided on one side of the second upper plate 31 and the second lower plate 32 close to the first annular clamp 1 to accommodate the pole 10, and a second stopper (not shown in the figure) is provided on one end of the second slide rail 33 close to the opening 34 side of the second lower plate 32 to prevent the second upper plate 31 and the second lower plate 32 from separating from the opening side, and a stopper is not provided on one end of the second slide rail 33 away from the opening side of the second lower plate 32, so that the second slider can slide out of the second slide rail 33, so that the second upper plate 31 and the second lower plate 32 can be separated, and the second upper plate 31 and the second lower plate 32 can be detachably connected. The width of the opening 34 of the second upper plate 31 and the second lower plate 32 can be reasonably set according to the outer diameter of the pole 10 , and the length can be reasonably set according to the outer diameter and telescopic range of the pole 10 .

[0081] The overhead high-voltage electric cable protection device provided by the embodiment of the utility model, the first annular clamp 1, the first bracket 2, the second annular clamp 5, the second bracket 6, the base plate 3, the insulating cover plate 4, and the second upper plate 31 and the second lower plate 32 of the base plate 3 are all detachably connected, easy to disassemble and transport, and can be used in rotation, which simplifies the construction process and reduces construction costs.

[0082] In this embodiment, the insulating cover plate 4 can be made of polyvinyl chloride, which can not only effectively insulate and prevent arc penetration, but also ensure sufficient strength and light weight, effectively reducing the required supporting force and helping to maintain structural stability.

[0083] Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. The present disclosure is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from its scope. The scope of the present disclosure is limited only by the appended claims. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An overhead high voltage cable protection device, characterized in that: It includes a first annular hoop, two first brackets, a bottom plate and an insulating cover plate; The first annular clamp can be detachably clamped to the pole; The two first brackets are arranged in parallel below the bottom plate; The first bracket is in a cross shape, the upper end of the first bracket is detachably fixed to the bottom plate, and the intersection of the first bracket is detachably fixed to the first annular hoop; The insulating cover plate is in an inverted U shape, and its side plate is detachably fixed to the bottom plate; A receiving portion is formed between the insulating cover plate and the bottom plate, and the receiving portion can receive the upper end of the power cross arm, the insulator and the pole.

2. The overhead high-voltage cable protection device according to claim 1, characterized in that: The first annular hoop comprises two first arc-shaped flat steels and two first fasteners; The first arc-shaped flat steel is semicircular, and first wing plates are provided at both ends thereof; The first wing plates of the two first arc-shaped flat steels are abutted against each other to form a ring shape, and the two first fasteners pass through the corresponding first wing plates respectively and are locked.

3. The overhead high-voltage cable protection device according to claim 1, characterized in that: It also includes a second annular hoop and two second brackets; The second annular clamp can be detachably clamped to the pole; The two second brackets are arranged in parallel below the bottom plate and are staggered with the two first brackets; The second bracket is in a cross shape, the upper end of the second bracket can be detachably fixed to the bottom plate, and the intersection of the second bracket can be detachably fixed to the second annular hoop.

4. The overhead high-voltage cable protection device according to claim 3, characterized in that: The second annular hoop comprises two second arc-shaped flat steels and two second fasteners; The second arc-shaped flat steel is semicircular, and has second wing plates at both ends; The second wing plates of the two second arc-shaped flat steels are abutted against each other to form a ring shape, and the two second fasteners pass through the corresponding second wing plates respectively and are locked.

5. The overhead high-voltage cable protection device according to claim 1, characterized in that: The top plate of the insulating cover plate includes a first upper plate and a first lower plate; A first slide rail is installed on the upper surface of the first lower plate, and a first slider is installed on the lower surface of the first upper plate. The first slider is inserted into the first slide rail and can slide relative to the first slide rail.

6. The overhead high-voltage cable protection device according to claim 1, characterized in that: The bottom plate includes a second upper plate and a second lower plate; A second slide rail is installed on the upper surface of the second lower plate, and a second slider is installed on the lower surface of the second upper plate. The second slider is inserted into the second slide rail and can slide relative to the second slide rail.

7. The overhead high-voltage cable protection device according to claim 6, characterized in that: The second upper plate and the second lower plate are detachably connected; The second upper plate and the second lower plate are provided with openings on one side close to the first annular hoop to accommodate the electric pole.

8. The overhead high-voltage cable protection device according to claim 1, characterized in that: It also includes a first angle steel connector disposed above the bottom plate; The horizontal plate of the first angle steel connector is detachably fixed to the bottom plate; The vertical plate of the first angle steel connector is detachably fixed to the insulating cover plate.

9. The overhead high-voltage cable protection device according to claim 1, characterized in that: It also includes a second angle steel connector disposed below the bottom plate; The horizontal plate of the second angle steel connector is detachably fixed to the bottom plate; The vertical plate of the second angle steel connector can be detachably fixed to the corresponding first bracket.

10. The overhead high-voltage cable protection device according to claim 1, characterized in that: The insulating cover is made of polyvinyl chloride.

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