CN210724148U

CN210724148U - Single-circuit cable down-lead rod

Info

Publication number: CN210724148U
Application number: CN201922246384.6U
Authority: CN
Inventors: 孔令俊
Original assignee: Jiangsu Jiping Electric Power Design Co Ltd
Current assignee: Jiangsu Jiping Electric Power Design Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-06-09
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a single-circuit cable down-lead rod, which comprises a rod body, wherein the upper end of the rod body is provided with a drop-out switch and a lightning arrester, the lightning arrester is positioned at one side of the drop-out switch, the upper end of the lightning arrester is provided with a lightning arrester drainage wire, the other end of the lightning arrester drainage wire is fixedly connected with the drop-out switch, the upper end of the drop-out switch is provided with a switch drainage wire, the lower end of each drop-out switch is provided with three cable drainage wires, the number of the drop-out switches is six, each drop-out switch is respectively connected with two switch drainage wires and the cable drainage wire, one end of the switch drainage wire is fixedly connected with the overhead cable through a reducing parallel groove clamp, two down-leading cables are symmetrically arranged on the outer side of the rod body, and the down-leading cables are fixed on the rod body through cable hoops with a plurality of different heights. Compare with traditional single cable downlead pole, the utility model discloses the wiring is nimble and the security is better.

Description

Single-circuit cable down-lead rod

Technical Field

The utility model relates to an electric power transmission equipment technical field specifically is a pole is drawn down to single cable that returns.

Background

With the continuous development of economy, the power load concentration area is continuously increased, and the power consumption is greatly increased. The traditional overhead power transmission and distribution mode often has special requirements such as cross over and the like, and the safe operation is influenced. Leading power cables down from existing line towers is an effective method for solving the problem. At present, the 10KV overhead lead wire switching cable is mostly directly led down by an insulator string and a cable climbing rod, and although the wiring area is small, the protection performance is reduced.

To this end, we have proposed a single-turn cable down-lead rod to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pole is drawn down to single cable return to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a single-loop cable down-lead rod comprises a rod body, wherein a drop-out switch and an arrester are arranged at the upper end of the rod body, the arrester is positioned on one side of the drop-out switch, arrester drainage wires are arranged at the upper end of the arrester, the other end of the arrester drainage wire is fixedly connected with the drop-out switch, a switch drainage wire is arranged at the upper end of the drop-out switch, cable drainage wires are arranged at the lower end of the drop-out switch, the number of the drop-out switches is three, the number of the switch drainage wires and the number of the cable drainage wires are six, each drop-out switch is respectively connected with two switch drainage wires and the cable drainage wires, one end of each switch drainage wire is fixedly connected with an overhead cable through a reducing parallel groove wire clamp, two down-lead cables are symmetrically arranged on the outer side of the rod body, the down-lead cables are fixed on the rod body through a plurality of cable hoops with different heights, and cable heads used for connecting the cable, the lower extreme of the body of rod is equipped with the earthing pole, and the earthing pole passes through the ground flat steel and is connected with the body of rod.

Preferably, the drop-out switch is fixed on the rod body through a cross arm, and the cross arm is fixedly connected with the rod body through a U-shaped hoop.

Preferably, the lower extreme of the body of rod is equipped with the cable protection pipe, the cable protection pipe cup joints in the outside of drawing down the cable, and the cable protection pipe passes through the protection tube staple bolt to be fixed on the body of rod.

Preferably, the upper end of the rod body is provided with a cable head cross arm for fixing the cable terminal head.

Preferably, each of the drop cables is connected to three cable drains.

Preferably, one side of the rod body is provided with an earthing down lead, one end of the earthing down lead is fixedly connected with the lightning arrester, and the other end of the earthing down lead is fixedly connected with the earthing flat steel.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up a plurality of drop out switch on the body of rod, be equipped with the cable drainage line that is used for connecting aerial [ insulated ] cable's switch drainage line and is used for connecting the downlead cable on drop out switch, when short-circuit fault takes place, drop out switch can play the effect of a protection, and body of rod upper end still is equipped with the arrester, and the arrester is located one side of drop out switch, can play a fine lightning protection through the arrester. Compare with traditional single cable downlead pole, the utility model discloses the wiring is nimble and the security is better.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention.

In the figure: 1. a rod body; 2. a drop-out switch; 3. a lightning arrester; 4. switching the drainage wire; 5. a cable drainage wire; 6. leading down a cable; 7. a cable termination; 8. a ground electrode; 9. grounding flat steel; 10. a cross arm; 11. a cable protection tube; 12. a cable head cross arm; 13. a down conductor; 14. and a lightning arrester drainage wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides a single-circuit cable down-lead rod, which comprises a rod body 1, wherein a drop-out switch 2 and an arrester 3 are arranged at the upper end of the rod body 1, the arrester 3 is positioned at one side of the drop-out switch 2, arrester drainage wires 14 are arranged at the upper end of the arrester 3, the other end of the arrester drainage wires 14 is fixedly connected with the drop-out switch 2, switch drainage wires 4 are arranged at the upper end of the drop-out switch 2, cable drainage wires 5 are arranged at the lower end of the drop-out switch 2, the number of the drop-out switch 2 is three, the number of the switch drainage wires 4 and the number of the cable drainage wires 5 are six, each drop-out switch 2 is respectively connected with two switch drainage wires 4 and the number of the cable drainage wires 5, one end of the switch drainage wires 4 is fixedly connected with an overhead cable through a reducing parallel groove wire clamp, two down-lead cables 6 are symmetrically arranged at the outer, the down-leading cable 6 is fixed on the rod body 1 through a plurality of cable hoops with different heights, the end part of the down-leading cable 6 is provided with a cable terminal 7 for connecting a cable drainage wire 5, the lower end of the rod body 1 is provided with an earthing pole 8, the earthing pole 8 is connected with the rod body 1 through an earthing flat steel 9, and the cable terminal 7 is a cold-shrinkage cable terminal.

The drop-out switch 2 is fixed on the rod body 1 through the cross arm 10, the cross arm 10 is fixedly connected with the rod body 1 through the U-shaped hoop, and the drop-out switch 2 and the cross arm 10 are fixed through screws. The lower extreme of the body of rod 1 is equipped with cable protection pipe 11, cable protection pipe 11 cup joints in the outside of drawing down cable 6, and cable protection pipe 11 passes through the protection tube staple bolt to be fixed on the body of rod 1. The upper end of the rod body 1 is provided with a cable head cross arm 12 used for fixing the cable terminal 7, and the cable head cross arm 12 can play a fixed role in the cable terminal 7. Each of the drop cables 6 is connected to three cable drains 5. The lightning arrester is characterized in that a grounding down lead 13 is arranged on one side of the rod body 1, one end of the grounding down lead 13 is fixedly connected with the lightning arrester 3, and the other end of the grounding down lead 13 is fixedly connected with the grounding flat steel 9.

In order to better understand the utility model by those skilled in the art, the working process of the utility model is briefly described with reference to the attached drawings: through set up a plurality of drop out switch 2 at body of rod 1 upper end, be equipped with the switch drainage wire 4 that is used for connecting overhead cable and be used for connecting the cable drainage wire 5 of drop out cable 6 on drop out switch 2, when short-circuit fault takes place, drop out switch 2 can play a guard's effect to the circuit, body of rod 1 upper end still is equipped with arrester 3, arrester 3 is located one side of drop out switch 2, can play a fine lightning protection effect through arrester 3, ground connection downlead 13, ground flat steel 9 and earthing pole 8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pole is drawn down to single return cable, includes the body of rod (1), its characterized in that: the lightning arrester is characterized in that a drop-out switch (2) and a lightning arrester (3) are arranged at the upper end of the rod body (1), the lightning arrester (3) is located on one side of the drop-out switch (2), lightning arrester drainage wires (14) are arranged at the upper end of the lightning arrester (3), the other end of each lightning arrester drainage wire (14) is fixedly connected with the drop-out switch (2), switch drainage wires (4) are arranged at the upper end of the drop-out switch (2), cable drainage wires (5) are arranged at the lower end of the drop-out switch (2), the number of the drop-out switches (2) is three, the number of the switch drainage wires (4) and the number of the cable drainage wires (5) are six, each drop-out switch (2) is respectively connected with the two switch drainage wires (4) and the cable drainage wires (5), one end of each switch drainage wire (4) is fixedly connected with an overhead cable through a reducing parallel groove wire clamp, two drop-down cables (6) are symmetrically arranged, draw down cable (6) and fix on the body of rod (1) through the cable staple bolt of a plurality of difference in height, and the tip that draws down cable (6) is equipped with cable terminal (7) that are used for connecting cable drainage (5), the lower extreme of the body of rod (1) is equipped with earthing pole (8), and earthing pole (8) are connected with the body of rod (1) through ground connection band steel (9).

2. A single-return cable down rod according to claim 1, wherein: the drop-out switch (2) is fixed on the rod body (1) through a cross arm (10), and the cross arm (10) is fixedly connected with the rod body (1) through a U-shaped hoop.

3. A single-return cable down rod according to claim 1, wherein: the lower extreme of the body of rod (1) is equipped with cable protection pipe (11), cable protection pipe (11) cup joint in the outside of drawing down cable (6), and cable protection pipe (11) pass through the protection tube staple bolt to be fixed on the body of rod (1).

4. A single-return cable down rod according to claim 1, wherein: the upper end of the rod body (1) is provided with a cable head cross arm (12) used for fixing a cable terminal (7).

5. A single-return cable down rod according to claim 1, wherein: each down-lead cable (6) is connected with three cable drainage wires (5).

6. A single-return cable down rod according to claim 1, wherein: the lightning arrester is characterized in that an earthing down-lead (13) is arranged on one side of the rod body (1), one end of the earthing down-lead (13) is fixedly connected with the lightning arrester (3), and the other end of the earthing down-lead (13) is fixedly connected with the earthing flat steel (9).