CN219554192U

CN219554192U - Plugging device for temporary access of box cable

Info

Publication number: CN219554192U
Application number: CN202320785491.XU
Authority: CN
Inventors: 张健能; 劳锦富; 杨建伟; 郭益辉; 梁锦滔; 黄鹏; 林景垞; 何宇琪; 刘悦平; 徐冰涵
Original assignee: Guangdong Power Grid Co Ltd; Foshan Power Supply Bureau of Guangdong Power Grid Corp
Current assignee: Guangdong Power Grid Co Ltd; Foshan Power Supply Bureau of Guangdong Power Grid Corp
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-08-18
Anticipated expiration: 2033-04-11

Abstract

The utility model discloses a plugging device for temporary access of a box cable, which comprises: the device comprises a fixed seat, a protective plug and a protective cover; the fixed seat is fixed on the wall of the overhaul power supply box; the protection plug is detachably arranged on the outer side of the fixed seat; the protective cover is arranged on the outer side of the fixed seat and is used for allowing a cable to pass through after the protective plug is detached; the protective cover can be tightened. In this scheme, when needing the installation cable, pass the protection casing after dismantling the protection end cap can, and the protection casing can tighten up the wire footpath with the adaptation cable to avoid leaving great space between protection casing and the cable, realize all having better leakproofness before the wiring or after the wiring, avoid the toy to get into and maintain portably, effectively solve the current mode that overhauls the power supply box and penetrates and get the cable can't compromise operation and maintain simple and convenient and the better problem of leakproofness.

Description

Plugging device for temporary access of box cable

Technical Field

The utility model relates to the technical field of operation and maintenance devices of substations, in particular to a plugging device for temporary access of a box cable.

Background

When working such as overhauling test is performed in the transformer substation, power is often required to be temporarily obtained from an overhauling power box through a cable or a power line. The following three modes are generally adopted for overhauling the mode that the electric taking cable of the power supply box penetrates into the box body:

1. opening a door of the overhaul power supply box, and directly connecting a cable from a door opening to a power supply through a connection power supply;

2. removing plugging materials at the bottom of the overhaul power supply box, and penetrating a cable from the bottom to be connected with a power supply;

3. the side of the overhaul power supply box is provided with a plugging head capable of opening the cover plate on one side, and a cable penetrates from the plugging head to be connected with a power supply.

The three modes respectively have the following problems:

the mode 1 is opened to overhaul the power box door to penetrate, so that the power box door cannot be completely closed in the power utilization process, and risks such as entering of small animals, water inlet and damp, cable compression damage by the box door and the like exist.

The bottom plugging material penetrates in the mode 2, the plugging material of the overhaul power supply box needs to be destroyed to penetrate the cable, and the plugging material of the overhaul power supply box needs to be recovered after the cable and the power line are removed. The mode increases the workload, leads to high cost and low efficiency, and the plugging repair generally cannot achieve the original attractive appearance.

Mode 3 penetrates from the shutoff head of unilateral opening apron, and in order to make things convenient for the cable of taking the plug or heavy load power supply cable to penetrate, generally the aperture ratio of shutoff head is great, and after the cable penetrated from the shutoff head and connected the power, left great space between unilateral apron and the shutoff head mouth of pipe, there is risk such as toy entering, water inflow and wets this moment. In addition, in the use process, the single-side cover plate is easy to damage and break, so that the maintenance workload is large.

Disclosure of Invention

Therefore, the utility model aims to provide a plugging device for temporarily accessing a box cable, which is used for solving the problems that the existing mode of penetrating an access cable into a maintenance power box cannot be used for considering both operation and maintenance simplicity and convenience and good sealing performance.

In order to achieve the technical purpose, the utility model provides a plugging device for temporary access of a box cable, which comprises: the device comprises a fixed seat, a protective plug and a protective cover;

the fixed seat is fixed on the wall of the overhaul power supply box;

the protection plug is detachably arranged on the outer side of the fixed seat;

the protective cover is arranged on the outer side of the fixed seat and is used for allowing a cable to pass through after the protective plug is detached;

the protective cover can be tightened.

Further, the fixing base includes: the fixing piece, the first sealing piece and the seat body;

the fixing piece and the first sealing piece are respectively arranged on the inner side and the outer side of the box wall;

the seat body penetrates through the first sealing piece to be connected with the fixing piece through the box wall.

Further, the fixing piece is a nut;

the base body is in threaded connection with the fixing piece.

Further, the first sealing element is made of rubber.

Further, the protection plug is T-shaped and is connected with the fixing seat through a second sealing piece.

Further, the protection plug is L-shaped and is connected with the fixing seat through a second sealing piece.

Further, the protection end cap is internally provided with an L-shaped through hole, and one end far away from the fixing seat is provided with a filter screen joint.

Further, the protective cover comprises: a connecting member, a rain-proof member and a tightening member;

the connecting piece is connected with the fixing seat;

the rainproof piece is sleeved on the connecting piece and is made of deformable materials;

the tightening member is arranged on the rainproof member and used for adjusting the inner diameter of the rainproof member.

Further, the connecting piece is a threaded column or a buckle.

Further, the tightening piece is a magic tape or a contraction rope.

According to the technical scheme, the utility model provides a plugging device for temporary access of a box cable, which comprises: the device comprises a fixed seat, a protective plug and a protective cover; the fixed seat is fixed on the wall of the overhaul power supply box; the protection plug is detachably arranged on the outer side of the fixed seat; the protective cover is arranged on the outer side of the fixed seat and is used for allowing a cable to pass through after the protective plug is detached; the protective cover can be tightened. In this scheme, when needing the installation cable, pass the protection casing after dismantling the protection end cap can, and the protection casing can tighten up the wire footpath with the adaptation cable to avoid leaving great space between protection casing and the cable, realize all having better leakproofness before the wiring or after the wiring, avoid the toy to get into and maintain portably, effectively solve the current mode that overhauls the power supply box and penetrates and get the cable can't compromise operation and maintain simple and convenient and the better problem of leakproofness.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a structural exploded view of a plugging device for temporary access of a box cable according to an embodiment of the present utility model;

fig. 2 is a structural exploded view of a plugging device for temporary access of a box cable according to another embodiment of the present utility model;

fig. 3 is a structural exploded view of a blocking device for temporary access of a box cable in the embodiment of the present utility model in the case that a protection plug is L-shaped.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are intended to be within the scope of the claimed utility model based on embodiments of the present utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, interchangeably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

Referring to fig. 1, a plugging device for temporary access of a box cable provided in an embodiment of the present utility model includes: the device comprises a fixing seat 1, a protection plug 2 and a protection cover 3; the fixed seat 1 is fixed on the wall 4 of the overhaul power supply box; the protection plug 2 is detachably arranged on the outer side of the fixed seat 1; the protective cover 3 is arranged on the outer side of the fixed seat 1 and is used for allowing a cable to pass through after the protective plug 2 is detached; the protective cover 3 can be tightened.

When the wiring is not needed, the protection plug 2 is plugged on the fixing base 1, the fixing base 1 is sealed, and the waterproof and dustproof effects are achieved. When wiring is needed, after the protective plug 2 is disassembled, the cable passes through the protective cover 3 and enters the box body, and the protective cover 3 is tightened to reduce the gap between the protective cover 3 and the cable, so that small animals and rainwater are prevented from entering.

In one embodiment, referring to fig. 2, the fixing base 1 includes: the fixing piece 11, the first sealing piece 12 and the seat body 13; the fixing piece 11 and the first sealing piece 12 are respectively arranged on the inner side and the outer side of the tank wall 4; the seat 13 is connected with the fixing member 11 through the first sealing member 12 and the tank wall 4.

The seat 13 may be provided inside the tank wall 4 or outside the tank wall 4. In this embodiment, taking the case that the seat 13 is disposed on the outer side, both the seat 13 and the first sealing member 12 are disposed on the outer side of the wall 4, and the seat 13 passes through the first sealing member 12 and the wall 4 and then is detachably connected with the fixing member 11.

In one embodiment, the securing member 11 may be a nut; correspondingly, the base 13 is screwed with the fixing member 11.

Further, the first seal member 12 is made of rubber which is resistant to high temperature and excellent in water-proof performance.

The seat 13 has a hollow structure inside for the cable to pass through.

In one embodiment, the protection plug 2 is T-shaped and is connected to the fixing base 1 by a second seal 21. Similarly, the second seal 21 may be made of rubber that is resistant to high temperatures and excellent in waterproof performance.

Specifically, the T-shaped protection plug 2 is a fully-sealed plug, and can fully seal the fixing seat 1. The protection plug 2 may be connected to the fixing base 1 by means of threads or a buckle.

In another embodiment, referring to fig. 3, the protection plug 2 is L-shaped and is connected to the fixing base 1 through the second sealing member 21.

By arranging the protection plug 2 in an L shape, compared with a T-shaped structure, the protection plug can be suitable for different space environments.

As a further improvement, an L-shaped through hole is arranged in the protective plug 2, and a filter screen joint 22 is arranged at one end far away from the fixing seat 1.

Specifically, in this embodiment, the L-shaped protection plug 2 is a semi-closed plug, one end of the protection plug is connected with the fixing seat 1 through the second sealing member 21, and the other end of the protection plug is provided with the filter screen joint 22, so that small animals can be prevented from entering the protection plug, and meanwhile, the heat dissipation and ventilation requirements of the box body can be met.

In one embodiment, referring to fig. 2, the shield 3 includes: a connecting member 31, a rain-proof member 32 and a tightening member 33; the connecting piece 31 is connected with the fixed seat 1; the rainproof piece 32 is sleeved on the connecting piece 31, and the rainproof piece 32 is made of a deformable material; a tightening member 33 is provided on the flashing 32 for adjusting the inner diameter of the flashing 32.

The connecting piece 31 may be a buckle, a threaded column or the like, and is used for connecting the rain-proof piece 32 to the fixing base 1, and may be fixed to the tank wall 4 by a material with magnetism or viscosity.

The rain-proof member 32 is made of a flexible material and has the functions of rain protection, dust protection and sun protection.

The tightening member 33 may be a velcro or a contraction rope, etc., and the inner diameter of the rain-proof member 32 is tightened or loosened by adjusting the length, so as to ensure that the rain-proof member 32 is attached to the cable.

The plugging device that this scheme provided box cable temporarily inserts is rational in infrastructure and installation simple to use, can realize the quick access of cable, power cord through installation fixing base 1, guarantees the sealing performance when not threading the cable through protection end cap 2, and the sealing performance after penetrating through protection casing 3 protection cable. Wherein, the entry of protection casing 3 possesses the shrink performance, guarantees that the cable of taking the plug or heavy load power supply cable still can guarantee the leakproofness of box after penetrating, and its material and structure are convenient to arrange in order simultaneously accomodate, can place in the box when not using.

While the utility model has been described in detail with reference to the examples, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the utility model may be modified or equivalents may be substituted for elements thereof, and that any modifications, equivalents, improvements or changes will fall within the spirit and principles of the utility model.

Claims

1. The utility model provides a plugging device that box cable was temporarily inserted which characterized in that includes: the device comprises a fixing seat (1), a protection plug (2) and a protection cover (3);

the fixed seat (1) is fixed on a wall (4) of the overhaul power supply box;

the protection plug (2) is detachably arranged on the outer side of the fixed seat (1);

the protective cover (3) is arranged on the outer side of the fixed seat (1) and is used for allowing a cable to pass through after the protective plug (2) is detached;

the protective cover (3) can be tightened.

2. Plugging device for the temporary access of tank cables according to claim 1, characterized in that said fixed seat (1) comprises: a fixing piece (11), a first sealing piece (12) and a seat body (13);

the fixing piece (11) and the first sealing piece (12) are respectively arranged on the inner side and the outer side of the box wall (4);

the base body (13) penetrates through the first sealing piece (12) and is connected with the fixing piece (11) on the tank wall (4).

3. Plugging device for the temporary access of tank cables according to claim 2, characterized in that said fixing element (11) is a nut;

the base body (13) is in threaded connection with the fixing piece (11).

4. The plugging device for temporary access of tank cables according to claim 2, wherein the first sealing member (12) is made of rubber.

5. The plugging device for temporary access of box cables according to claim 1, wherein the protective plug (2) is T-shaped and is connected to the fixing seat (1) by a second sealing element (21).

6. The plugging device for temporary access of box cables according to claim 1, wherein the protective plug (2) is L-shaped and is connected to the fixing seat (1) by a second sealing element (21).

7. The plugging device for temporary access of box cables according to claim 6, wherein an L-shaped through hole is formed in the protective plug (2), and a filter screen joint (22) is arranged at one end, which is far away from the fixing seat (1).

8. The plugging device for the temporary access of tank cables according to claim 1, characterized in that said protective cover (3) comprises: a connecting piece (31), a rain-proof piece (32) and a tightening piece (33);

the connecting piece (31) is connected with the fixing seat (1);

the rainproof piece (32) is sleeved on the connecting piece (31), and the rainproof piece (32) is made of a deformable material;

the tightening member (33) is arranged on the rainproof member (32) and is used for adjusting the inner diameter of the rainproof member (32).

9. Plugging device for the temporary access of tank cables according to claim 8, characterized in that said connection (31) is a threaded post or a buckle.

10. The plugging device for the temporary access of tank cables according to claim 8, characterized in that said tightening member (33) is a velcro or a shrink-cord.