CN210780052U

CN210780052U - Low pressure feeder pillar

Info

Publication number: CN210780052U
Application number: CN201922207064.XU
Authority: CN
Inventors: 刘鹏; 任立新; 孟红; 籍宁; 刘长勇; 任增安; 司立军; 梁武震
Original assignee: State Grid Corp of China SGCC; State Grid Beijing Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Beijing Electric Power Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-06-16
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a low-voltage branch box on a column, which comprises a box body, wherein the top of the box body is provided with four porcelain low-voltage sleeves; the upper end of the low-voltage sleeve is provided with a wiring terminal, and the lower end of the low-voltage sleeve extends into the box body and is connected with a wiring busbar; the wiring bus bar is fixed on an insulating plate, and the insulating plate is fixed on the inner wall of the box body; and the bottom end of the box body is provided with a wire outlet hole. The utility model relates to a low pressure feeder pillar on post manages all the wiring in a unified way by arranging the feeder pillar on the electric pole, and a plurality of service wires can be led down from one position of the main wire, so that the damage to the main wire is small; the appearance is beautiful, and the wiring and the maintenance are convenient; the box body is arranged on the electric pole column, so that the ground space is saved; the branch box is simple to install and high in construction efficiency; and the cost is low, and the device can be repeatedly used.

Description

Low pressure feeder pillar

Technical Field

The utility model belongs to the technical field of power equipment, concretely relates to low pressure feeder pillar on post.

Background

In suburbs in cities and single-storey residential areas in rural areas, for wiring convenience, a plurality of service lines can be led down from one telegraph pole to a user home, and the mode of connecting a leading line and the service line is widely used at present: when the low-voltage distribution box is connected and the low-voltage copper-aluminum user wire clamp is connected, the existing connecting method has multiple faults and is difficult to troubleshoot in long-term operation, and the existing connecting method needs to be improved. There are mainly the following problems:

the main conductor is easy to be damaged in the installation process of the copper-aluminum user wire clamp, so that the service life of the line is influenced; a plurality of service wires are connected out at the same position, a plurality of copper-aluminum service wire connectors are required to be installed, the cost is high, and the insulation of the main conductor wire is damaged for many times in the installation process; the copper-aluminum service connection wire clamp can only connect one service connection wire, the wiring is disordered, and the operation and maintenance difficulty is increased; the service connecting wire clamp is easy to corrode after being exposed outdoors for a long time; the low-voltage distribution box is arranged indoors or on the wall of a building, and occupies space.

Disclosure of Invention

An object of the utility model is to provide a low pressure feeder pillar on post to solve the problem among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the column upper low-voltage branch box comprises a box body, wherein the top of the box body is provided with four porcelain low-voltage sleeves; the upper end of the low-voltage sleeve is provided with a wiring terminal, and the lower end of the low-voltage sleeve extends into the box body and is connected with a wiring busbar; the wiring bus bar is fixed on an insulating plate, and the insulating plate is fixed on the inner wall of the box body; and the bottom end of the box body is provided with a wire outlet hole.

Further, four wiring busbars are respectively: the phase-A wiring bus, the phase-B wiring bus, the phase-C wiring bus and the phase-N wiring bus; and the B-phase wiring busbar and the N-phase wiring busbar are respectively fixed on the low-voltage insulator.

Furthermore, a plurality of back pressing nut screws are arranged on the wiring busbar and are used for connecting the service line; and a binding wire frame is arranged below the wiring busbar and arranged in the box body for fixing the service wire.

Furthermore, a rubber sealing ring is arranged at the joint of the low-pressure sleeve and the box body.

Further, the wiring terminal is connected with a lead; one end of the wire is connected with the low-voltage overhead wire by adopting an Anpu wire clamp and is wrapped by an insulating adhesive tape, and the other end of the wire is connected with a threading nose of the wiring terminal in a crimping manner and is arranged on the wiring terminal and is provided with an insulating shield.

Furthermore, the box body is arranged at a position 1-1.5 meters below the low-voltage overhead line on the telegraph pole.

Furthermore, the box body is fixed on the electric pole by adopting a hoop.

When the box body is installed, the box body is installed on the side surface of the telegraph pole for the eccentric load and is installed at the middle position of the telegraph pole for the positive load.

Furthermore, the box body is made of SMC glass fiber reinforced plastic composite materials.

Furthermore, two groups of cross arms are arranged below the box body and fixed on the electric pole.

The utility model has the advantages as follows:

1. the utility model relates to a low pressure feeder pillar on post manages all the wiring in a unified way by arranging the feeder pillar on the electric pole, and a plurality of service wires can be led down from one position of the main wire, so that the damage to the main wire is small;

2. the utility model relates to a low-voltage branch box on a column, which has beautiful appearance and is convenient for wiring and maintenance; the box body is arranged on the electric pole column, so that the ground space is saved; the branch box is simple to install and high in construction efficiency; and the cost is low, and the device can be repeatedly used.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view illustrating the installation of a low-pressure branch box on a column according to the present invention;

fig. 2 is a schematic structural view of a low-pressure branch box on a column of the present invention;

fig. 3 is a side view of a low-pressure branch box on a column according to the present invention;

wherein: the novel low-voltage insulator comprises a box body 1, a low-voltage sleeve pipe 2, a wiring terminal 3, a wiring busbar 4, an insulating plate 5, a wire outlet hole 6, a low-voltage insulator 7, a back nut pressing screw 8, a wire binding frame 9, a rubber sealing ring 10, a wire 11 and a cross arm 12.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention.

As shown in fig. 1, 2 and 3, the column upper low-voltage branch box comprises a box body 1, wherein the top of the box body 1 is provided with four ceramic low-voltage sleeves 2; the upper end of the low-voltage sleeve 2 is provided with a wiring terminal 3, and the lower end of the low-voltage sleeve extends into the box body 1 and is connected with a wiring busbar 4; the wiring bus bar 4 is fixed on an insulating plate 5, and the insulating plate 5 is fixed on the inner wall of the box body 1; and a wire outlet hole 6 is formed at the bottom end of the box body 1. The four wiring busbars 4 are respectively as follows: the phase-A wiring busbar, the phase-B wiring busbar, the phase-C wiring busbar and the phase-N wiring busbar are arranged in parallel, and the phase-A wiring busbar, the phase-B wiring busbar, the phase-C wiring busbar and the phase-N wiring busbar correspond to A, B, C three-phase sequences of the overhead line; and a low-voltage insulator 7 is fixed on the insulating plate 5, and the B-phase wiring busbar and the N-phase wiring busbar are respectively fixed on the low-voltage insulator 7. A plurality of back pressing female screws 8 are arranged on the wiring busbar 4 and are used for connecting service lines; the wiring box is characterized in that a binding frame 9 is arranged below the wiring busbar 4, and the binding frame 9 is arranged in the box body 1 and used for fixing the service wire. A rubber sealing ring 10 is arranged at the joint of the low-pressure sleeve 2 and the box body 1, so that rainwater is prevented from entering the box body 1. The wiring terminal 3 is connected with a lead 11; four insulated copper core wires 11 are led down from the low-voltage overhead conductor and respectively represent an ABC three-phase line and a zero line, one end of each wire 11 is connected with the low-voltage overhead conductor by an Anpu wire clamp and wrapped by an insulated adhesive tape, and the other end of each wire 11 is connected with a threading nose of the corresponding wiring terminal 3 in a crimping mode and is installed on the corresponding wiring terminal 3 and provided with an insulated shield, so that short circuit caused by hanging of foreign matters is prevented. The box body 1 is arranged on the telegraph pole at a position 1-1.5 meters below the low-voltage overhead line. The box body 1 is fixed on the electric pole by adopting a hoop. When the box body 1 is installed, the box body is installed on the side surface of the telegraph pole for the eccentric load, and is installed at the middle position of the telegraph pole for the positive load. The box body 1 is made of SMC glass fiber reinforced plastic composite materials. Two sets of cross arms 12 are arranged below the box body 1, and the cross arms 12 are fixed on the electric poles.

The cross section area of the wiring busbar 13 is 25 x 3mm²The service line has a cross-sectional area of less than 16mm²The copper wire of (1).

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. The low-voltage branch box on the column is characterized by comprising a box body (1), wherein the top of the box body (1) is provided with four ceramic low-voltage sleeves (2); the upper end of the low-voltage sleeve (2) is provided with a wiring terminal (3), and the lower end of the low-voltage sleeve extends into the box body (1) and is connected with a wiring busbar (4); the wiring busbar (4) is fixed on an insulating plate (5), and the insulating plate (5) is fixed on the inner wall of the box body (1); and the bottom end of the box body (1) is provided with a wire outlet hole (6).

2. The post-on-post low-voltage branch box according to claim 1, wherein the four wiring busbars (4) are respectively: the phase-A wiring bus, the phase-B wiring bus, the phase-C wiring bus and the phase-N wiring bus; and a low-voltage insulator (7) is fixed on the insulating plate (5), and the B-phase wiring busbar and the N-phase wiring busbar are respectively fixed on the low-voltage insulator (7).

3. The post-on-post low-voltage branch box of claim 1, wherein a plurality of back-surface female pressing screws (8) are arranged on the wiring busbar (4) and used for connecting a service line; the wiring box is characterized in that a binding frame (9) is arranged below the wiring busbar (4), and the binding frame (9) is arranged in the box body (1) and used for fixing the service line.

4. A post-on-post low-pressure branch box according to claim 1, characterized in that a rubber seal (10) is provided at the connection of the low-pressure sleeve (2) and the box body (1).

5. A post on low voltage branch box according to claim 1, characterized in that the connection terminal (3) is connected to a wire (11); one end of the lead (11) is connected with the low-voltage overhead lead by adopting an Anpu wire clamp and is wrapped by an insulating adhesive tape, and the other end of the lead is connected with a threading nose of the wiring terminal (3) in a crimping way and is arranged on the wiring terminal (3) and is provided with an insulating shield.

6. The post-on-pole low-voltage branch box of claim 1, wherein the box body (1) is installed at a position 1-1.5 meters below a low-voltage overhead line on a telegraph pole.

7. A post-on-post low-voltage branch box according to claim 1, wherein the box body (1) is fixed on the electric pole by using a hoop.

8. A post-on-pole low-voltage branch box according to claim 1, wherein the box body (1) is mounted on the side of a utility pole for an off-load and on the center of the utility pole for a normal load.

9. A post-on-post low-pressure branch box according to claim 1, characterized in that the box body (1) is made of SMC glass fiber reinforced plastic composite material.

10. A low-voltage branch box on a column according to claim 1, characterized in that two sets of cross arms (12) are arranged below the box body (1), and the cross arms (12) are fixed on the electric pole.