Insulation shielding device for cable terminal and grounding ring

Abstract

The invention discloses a cable terminal head and grounding ring insulation shielding device, which is used for insulating and shielding a cable terminal head with a grounding ring, and comprises a cable shielding cover, the cable shielding cover is provided with an elastic tubular body, a slit is arranged in the length direction of the tubular body in a penetrating manner, and a cable is clamped into the tubular body through the slit; the grounding ring shielding cover is provided with a first cover body and a second cover body which are detachably installed, the first cover body and the second cover body jointly define a containing cavity matched with a grounding ring in shape, and an opening is formed between the first cover body and the second cover body. The grounding ring is insulated and shielded in the cavity and partially extends out of the grounding ring shielding cover. Compared with the prior art, the insulation shielding device for the cable terminal and the grounding ring can effectively shield the cable terminal with the grounding ring, reduces the working safety risk and difficulty during non-power-off operation, and is convenient to operate.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of live working, and more particularly, relates to a cable terminal head and grounding ring insulation shielding device. BACKGROUND

[0002] Live working is an important measure to ensure power supply reliability of power grid, and is one of the technologies being vigorously promoted at present. At present, the insulation shielding mode used by live working for terminal head and grounding ring is cumbersome and time-consuming, and is very close to the terminal head of the adjacent phase, which is extremely unfriendly to the operating personnel and has safety hazards.

[0003] Chinese utility model patent ZL 202020715483.4 discloses a grounding hanging ring insulation shielding cover for distribution network live working, which comprises symmetrically arranged first and second cover bodies and a connecting portion connecting the first and second cover bodies. The edges of the first and second cover bodies are respectively provided with inward edges. When the connecting portion of the shielding cover is hung on the grounding hanging ring, the first cover body covers the grounding hanging ring and the part where the grounding wire is hung on the grounding hanging ring from one side, and the second cover body covers the grounding hanging ring and the part where the grounding wire is hung on the grounding hanging ring from the other side. However, the above-mentioned insulation shielding cover adopts an integrated structure to insulate and shield the cable terminal head and the grounding ring, which cannot effectively shield the grounding ring and has the problem of inconvenient operation when grounding.

[0004] Therefore, it is necessary to provide a cable terminal head and grounding ring insulation shielding device which can be conveniently operated and can effectively shield the cable terminal head with a grounding ring. SUMMARY

[0005] The present application aims to overcome at least one defect in the prior art and provide a cable terminal head and grounding ring insulation shielding device which can be conveniently operated and can effectively shield the cable terminal head with a grounding ring.

[0006] In order to achieve the above-mentioned purpose, the present application provides a cable terminal head and grounding ring insulation shielding device for insulating and shielding a cable with a grounding ring, which comprises:

[0007] a cable shielding cover provided with an elastic tubular body, a slit being provided through the length direction of the tubular body, and the cable being clamped into the tubular body through the slit; and

[0008] a grounding ring shielding cover provided with a first cover body and a second cover body which can be detachably installed, the first cover body and the second cover body being jointly arranged to form a cavity which is adapted to the shape of the grounding ring, and an opening being formed between the first cover body and the second cover body, the grounding ring being insulated and shielded in the cavity and partially extending out of the grounding ring shielding cover.

[0009] According to a preferred embodiment of the cable terminal head and the insulation shielding device of the grounding ring of the present application, the tubular body is provided with a first connecting plate and a second connecting plate at the slit, and the first connecting plate and the second connecting plate are provided with magnetic members, and the first connecting plate and the second connecting plate are magnetically connected through the magnetic members.

[0010] According to a preferred embodiment of the cable terminal head and the insulation shielding device of the grounding ring of the present application, the first cover body and the second cover body are connected through the magnetic members.

[0011] According to a preferred embodiment of the cable terminal head and the insulation shielding device of the grounding ring of the present application, the edge of the first cover body is provided with a clamping groove, and the edge of the second cover body is provided with a clamping member matched with the clamping groove.

[0012] According to a preferred embodiment of the cable terminal head and the insulation shielding device of the grounding ring of the present application, the outer wall of the tubular body is provided with a first gripping part outwardly extending on both sides.

[0013] According to a preferred embodiment of the cable terminal head and the insulation shielding device of the grounding ring of the present application, the grounding ring shielding cover is provided with a second gripping part, and the second gripping part can be correspondingly covered on the first gripping part.

[0014] Compared with the prior art, the cable terminal head and the insulation shielding device of the grounding ring of the present application not only can effectively shield the cable terminal with the grounding ring, reduce the work safety risk and difficulty when the power is not stopped, but also is convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0015] The cable terminal head and the insulation shielding device of the grounding ring of the present application will be described in detail below in combination with the drawings and specific embodiments, in which:

[0016] Figure 1 The structure diagram of the cable with the grounding ring matched with the cable terminal head and the insulation shielding device of the grounding ring of the present application.

[0017] Figure 2 The structure diagram of the cable terminal head and the insulation shielding device of the grounding ring of the present application.

[0018] Figure 3 The assembly diagram of the cable terminal head and the insulation shielding device of the grounding ring of the present application and the cable with the grounding ring shown. Figure 1

[0019] Figure 4 The side view of the cable shielding cover in the cable terminal head and the insulation shielding device of the grounding ring of the present application.

[0020] ​Figure 5 Figure 2 is a side view of the grounding ring shielding cover in the cable terminal head and grounding ring insulation shielding device of the present application.

[0021] Figure 6 Figure 3 is an exploded view of the grounding ring shielding cover in the cable terminal head and grounding ring insulation shielding device of the present application.

[0022] wherein,

[0023] cable shielding cover 10; tubular body 100; slit 102; opening 104; first connecting plate 106; second connecting plate 108; first gripping portion 110; grounding ring shielding cover 20; first cover body 200; second cover body 202; clamping groove 204; clamping piece 206; second gripping portion 208; cable 30; grounding ring 300. DETAILED DESCRIPTION

[0024] In order to make the inventive purpose, technical scheme and technical effects of the present application clearer, the present application will be further described in detail below in combination with the drawings and specific embodiments. It should be understood that the specific embodiments described in the present specification are only for the purpose of explaining the present application, and are not intended to limit the present application.

[0025] Referring to Figures 1 to 6 Figure 1, the present application provides a cable terminal head and grounding ring insulation shielding device for insulating shielding of a cable 30 with a grounding ring 300, which comprises:

[0026] a cable shielding cover 10, the cable shielding cover 10 is provided with a tubular body 100 with elasticity, a slit 102 is provided through the length direction of the tubular body 100, and the cable 30 is clamped into the tubular body 100 through the slit 102 to realize the wrapping and shielding of the cable 30 by the cable shielding cover 10; and

[0027] a grounding ring shielding cover 20, the grounding ring shielding cover 20 is provided with a first cover body 200 and a second cover body 202 which are detachably installed, the first cover body 200 and the second cover body 202 jointly enclose a cavity (not labeled) which is adapted to the shape of the grounding ring 300, and an opening 104 is formed between the first cover body 200 and the second cover body 202, the opening 104 is correspondingly arranged with the slit 102, the grounding ring 300 is insulated and shielded in the cavity and partially extends out of the grounding ring shielding cover 20 to facilitate grounding operation.

[0028] Referring to Figure 2As shown, according to one embodiment of the cable terminal head and grounding ring insulation shielding device of the present application, the tubular body 100 is provided with a first connecting plate 106 and a second connecting plate 108 at the slit 102, and the first connecting plate 106 and the second connecting plate 108 are provided with magnetic members, and the first connecting plate 106 and the second connecting plate 108 are magnetically connected through the magnetic members.

[0029] Please refer to Figures 4 to 6 As shown, according to one embodiment of the cable terminal head and grounding ring insulation shielding device of the present application, the first cover 200 and the second cover 202 are connected through the magnetic members. The first cover 200 is provided with a clamping groove 204 at the edge, and the second cover 202 is provided with a clamping member 206 matched with the clamping groove 204, and the two are clamped to ensure alignment during assembly.

[0030] Please refer to Figure 2 As shown, according to one embodiment of the cable terminal head and grounding ring insulation shielding device of the present application, the tubular body 100 is provided with a first gripping portion 110 at the outer wall of both sides to facilitate disassembly and assembly.

[0031] Please refer to Figure 5 and Figure 6 As shown, according to one embodiment of the cable terminal head and grounding ring insulation shielding device of the present application, the grounding ring shielding cover 20 is provided with a second gripping portion 208 to facilitate disassembly and assembly.

[0032] During assembly, the cable shielding cover 10 is first clamped at the cable terminal head, and the grounding ring 300 is exposed through the opening 104, and the first connecting plate 106 and the second connecting plate 108 are closed under the attraction of the magnetic members, and the installation of the cable shielding cover 10 is completed.

[0033] Then, the first cover 200 and the second cover 202 of the grounding ring shielding cover 20 are placed near the grounding ring 300, and the clamping groove 204 and the clamping member 206 of the two are aligned, and the two are combined under the attraction of the magnetic members. At this time, one end of the grounding ring shielding cover 20 is covered in the middle of the cable shielding cover 10, the second gripping portion 208 is covered on the first gripping portion 110, and the other end is covered on the grounding ring 300 to achieve insulation shielding of the grounding ring 300.

[0034] When grounding operation is not needed, the cable shielding cover 10 and the grounding ring shielding cover 20 are sequentially assembled at the cable terminal head and the grounding ring 300; when grounding operation is needed, only the grounding ring shielding cover 20 needs to be removed.

[0035] In combination with the above detailed description of the cable terminal and the insulation shielding device of the grounding ring, it can be seen that, relative to the prior art, the cable terminal and the insulation shielding device of the grounding ring can not only effectively shield the cable terminal with the grounding ring, but also reduce the work safety risk and difficulty during the non-stop power operation, and is convenient to operate.

[0036] According to the above principles, the above embodiments can also be appropriately changed and modified. Therefore, the present application is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the present application should fall within the protection scope of the claims of the present application. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the present application.

Claims

1. A cable termination and grounding ring insulation shielding device for insulating and shielding cables with grounding rings, characterized in that, The cable termination and grounding ring insulation shielding device includes: A cable shield, comprising a flexible tubular body with a slit extending along its length, through which the cable is inserted into the tubular body; and A grounding ring shield has a detachable first cover and a second cover. The first cover and the second cover together form a cavity that is adapted to the shape of the grounding ring, and an opening is formed between the first cover and the second cover. The grounding ring is insulated and shielded in the cavity and extends outward from the grounding ring shield.

2. The cable termination head and grounding ring insulation shielding device according to claim 1, characterized in that, The tubular body is provided with a first connecting plate and a second connecting plate at the slit. The first connecting plate and the second connecting plate are provided with magnetic components, and the magnetic components realize the magnetic connection between the first connecting plate and the second connecting plate.

3. The cable termination head and grounding ring insulation shielding device according to claim 1, characterized in that, The first cover and the second cover are connected by magnetic attraction.

4. The cable termination head and grounding ring insulation shielding device according to claim 1, characterized in that, The first cover has a snap-fit ​​groove at its edge, and the second cover has a snap-fit ​​component at its edge that is adapted to the snap-fit ​​groove.

5. The cable termination head and grounding ring insulation shielding device according to claim 1, characterized in that, The tubular body has a first gripping part extending outward from both outer walls.

6. The cable termination head and grounding ring insulation shielding device according to claim 5, characterized in that, The grounding ring shield is provided with a second gripping part, which can be correspondingly covered on the first gripping part.

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