CN206225974U - A kind of ready-package cable connection box - Google Patents

Abstract

A quick-installed cable transfer box, characterized in that it includes a box body (1), an upright insulating baffle (2) installed on the upper part of the box body, and a wall-through bushing (3) horizontally installed on the inner side of the insulating baffle , the post insulator (5) installed upright on the bottom of the box, the insulating support plate (7) arranged outside the post insulator, the upper end and the lower end respectively fixed on the wall bushing (3) and the L-shaped post insulator (5) Copper connection bar (4). The utility model can effectively solve the difficulty of cable installation, improve the safety of operation, and ensure that the operating personnel will not damage the insulation and protect against the risk of electric shock due to bending the cable.

Description

A quick-loading cable transfer box

technical field

The utility model belongs to the technical field of live operation of distribution network, in particular to the technical field of live operation for bypass operation of distribution network.

Background technique

One end of the existing cable transfer box is inserted into a 10kV plug-in flexible cable, and the other end is connected to a 10kV outdoor three-core cable. During the cable assembly process, the 10kV outdoor three-core cable usually needs to be inserted into the box from the bottom and installed on the upper insulating support. superior. However, the end of the existing cable is protected by a shed skirt, and the cable head needs to be bent during the process of passing through the cable transfer box. The cable shed affects the bending of the cable, making it difficult or even impossible to install the cable. It is also easy to damage the cable insulation protection.

Contents of the invention

The purpose of this utility model is to solve the deficiencies of the prior art and provide a quick-installed cable transfer box to effectively solve the difficulty of cable installation, improve the safety of operation, and ensure that the workers will not damage the insulation protection and electric shock due to bending cables. risk.

The purpose of this utility model is achieved through the following technical solutions.

A quick-installed cable transfer box, including a box body, an upright insulation baffle installed on the upper part of the box body, a wall-piercing sleeve installed laterally on the inner side of the insulation baffle, a post insulator vertically installed on the bottom of the box body, and a The insulating support plate outside the post insulator, the upper end and the lower end are respectively fixed to the wall bushing and the L-shaped copper connection bar on the post insulator.

The L-shaped copper connection bar is provided with an insulating heat-shrinkable protective sleeve.

Without changing the connection point of the plug-in cable, the utility model adopts the set L-shaped copper connection line row, and changes the original vertical arrangement of the plug-in cable into a horizontal arrangement connection, so as to avoid the problem caused by the 10kV outdoor three-core cable. It is necessary to bend the cable head when penetrating into the box from the bottom, and it is difficult or even impossible to install the cable because the cable umbrella skirt affects the bending of the cable. Cables are not damaged, and the assembly is fast, convenient and safe. The external plug-in cable connection is isolated by an insulating baffle, which is safe and reliable.

Description of drawings

Fig. 1 is the structure and wiring schematic diagram of the present utility model.

detailed description

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

The quick-mounted cable transfer box shown in Figure 1 includes a box body 1, an upright insulation baffle 2 installed on the upper part of the box body, a wall-through bushing 3 installed horizontally on the inner side of the insulation baffle, and installed vertically on the box body The post insulator 5 at the bottom, the insulating support plate 7 arranged on the outside of the post insulator, the upper end and the lower end are respectively fixed to the wall bushing 3 and the L-shaped copper connection bar 4 on the post insulator 5 . The L-shaped copper connection bar 4 is protected by an insulating heat-shrinkable protective sleeve to prevent electric shock due to misoperation and isolate the busbar. Open a window at the lower front of the cabinet, use an insulating board as the door, and install hinges and spring buckles to ensure that it will not open during use. The cable inlet is made into a U-shaped groove with an insulating board to isolate the A\B\C three-phase cables. The pluggable cable 8 can be easily and quickly inserted from the outside of the upright insulating baffle 2 into the wall bushing 3 installed inside the insulating baffle, and the XLPE cable 9 passes through the insulating plate 6 and is placed on the insulating support plate 7 and the L-shaped copper The system connection line row 4 communicates.

The utility model is mainly used in the maintenance operation of distribution network load transfer, and the specific operation steps are as follows:

1) In the on-site bypass load transfer operation, one end of the quick-installed cable transfer box is inserted into the 10kV plug-in cable 8, and the other end is connected to the 10kV outdoor three-core cable, that is, the XLPE cable 9. The plug-in cable can be extended to Under overhead lines, use 10kV flexible cable down conductors for bonding.

2) Carry out phase verification, and after the phases are the same, transfer loads to the bypass, and deal with defects when the bypass section is powered off. After the processing is completed, disconnect the bypass transfer cable and restore the power supply of the original line.

For ease of use, runner 10 can be installed at the bottom of the utility model casing so as to move.

Claims (2)

1. a kind of ready-package cable connection box, it is characterised in that including casing (1), be installed on the upright insulation of casing internal upper part Baffle plate (2), the wall bushing (3) being horizontally installed on the inside of insulation barrier, the upright support insulator for being installed on bottom half (5) insulation support plate (7) on the outside of support insulator, top and bottom, are arranged at and are individually fixed in wall bushing (3) and pillar L-type copper connecting line row (4) on insulator (5).

2. a kind of ready-package cable connection box according to claim 1, it is characterised in that the L-type copper connecting line row (4) with isolating shrinkable protective jacket.