CN105929511A - Modular substation OPGW (optical fiber composite overhead ground wire) residual cable rack and assembling method thereof - Google Patents

Abstract

Disclosed is a modular substation OPGW residual cable rack, which is light in overall weight, and each module is small in size and light in weight, which is convenient for mass production and processing. And demand adjustment, the shape of the remaining cable rack can be adjusted according to the site and demand. It is fixed to the gantry pole through U-shaped hoops and hoop locking bolts. The OPGW residual cable rack of the modular substation includes: residual cable rack mounting device, residual cable support and cable fixing module, residual cable rack mounting frame device Fixed to the U-shaped hoop, the remaining cable support is aluminum alloy and includes the upper mounting beam, the lower mounting beam, and the vertical mounting beam welded together. The upper mounting beam and the lower mounting beam are equipped with multiple sets of mounting holes. There are multiple modules, each of which is connected to a set of mounting holes of the remaining cable support through a mounting boss by means of mounting bolts, and each cable fixing module includes a locking bolt for locking the inventoried optical cable. There is also the assembling method of this remaining cable rack.

Description

A modular substation OPGW residual cable frame and its assembly method

technical field

The invention relates to the technical field of electric power communication, in particular to an OPGW residual cable rack of a modularized substation and an assembly method thereof, which are mainly used for inventorying redundant OPGW optical cables, fixing OPGW splice boxes, and inventorying redundant common optical cables.

Background technique

At present, after the OPGW optical cable enters the substation, it is led down from the top of the gantry frame. "Q/GDW 758-2012 Installation Process Specifications for Communication Optical Cables in Power Systems" uses rubber clamps to keep the OPGW optical cable and the gantry frame insulated and fixed throughout. When the OPGW optical cable reaches a height of 2.5 meters from the ground, set up a set of redundant cable racks, which are used for inventorying redundant OPGW optical cables, fixing OPGW splice boxes, and inventorying redundant common optical cables.

The remaining OPGW optical cable racks in substations of the existing power system mostly use metal mounting seats. The diameter of the remaining cable reel of the cable rack is customized and cannot be adjusted, and the diameter of the remaining cable reel cannot be adjusted according to the actual situation on site.

Contents of the invention

In order to overcome the defects of the prior art, the technical problem to be solved by the present invention is to provide a modular substation OPGW residual cable rack, which has light overall weight, small size and light weight of each module, and is convenient for mass production and processing. The installation is fast and convenient, and it is convenient for modification and replacement. The inventory size of the remaining cable racks can be adjusted according to the site and needs, and the shape of the remaining cable racks can be adjusted according to the site and needs.

The technical solution of the present invention is: the OPGW residual cable rack of the modularized substation is fixed to the gantry pole through the U-shaped hoop and the hoop locking bolt, and the OPGW residual cable rack of the modularized substation includes: the residual cable rack mounting frame The device, the remaining cable support and the fixed cable module, the remaining cable rack mounting frame device is fixed to the U-shaped hoop, the remaining cable support is made of aluminum alloy and includes the upper mounting beam, the lower mounting beam, and the vertical mounting beam welded together, Both the upper mounting beam and the lower mounting beam are provided with multiple sets of mounting holes, and the number of cable fixing modules is multiple, and each of them is connected to a set of mounting holes of the remaining cable support by means of mounting bolts through the mounting boss, and each cable fixing module Includes latches to secure inventoried fiber optic cables.

Also provided is a method for assembling the OPGW residual cable rack of a modular substation, which includes the following steps:

(1) Fix it to the gantry pole through the U-shaped hoop and the hoop locking bolt, and fix the remaining cable rack mounting device to the U-shaped hoop;

(2) Install the remaining cable support on the mounting device of the remaining cable rack;

(3) Install the cable fixing module on the remaining cable support according to the diameter of the optical cable to be inventoried;

(4) Remove the locking bolt from the cable fixing module;

(5) Store the redundant OPGW optical cable reel on the cable fixing module, then store the redundant common optical cable reel on the cable fixing module, and lock the lock.

The remaining cable support of the present invention is made of aluminum alloy and includes an upper installation beam, a lower installation beam, and a vertical installation beam welded together, so the overall weight is much lighter than that of the existing cross fork; the number of cable fixing modules It is multiple and each is connected to a group of installation holes of the remaining cable support by means of installation bolts through the installation boss. Each cable fixing module includes a locking bolt for locking the optical cable in the inventory, so each module is small in size, light in weight, and It is convenient for mass production and processing, the installation of the remaining cable support is quick and convenient, and it is convenient for modification and replacement. The inventory size of the remaining cable rack can be adjusted according to the site and demand, and the shape of the remaining cable rack can be adjusted according to the site and demand.

Description of drawings

Fig. 1 is a front view of a preferred embodiment of an OPGW residual cable rack of a modular substation according to the present invention.

Fig. 2 is a top view of the OPGW residual cable rack of the modularized substation in Fig. 1 .

Fig. 3 is a side view of the OPGW residual cable rack of the modularized substation in Fig. 1 .

Fig. 4 is a front view of the remaining cable support of the OPGW remaining cable rack of the modularized substation in Fig. 1 .

Fig. 5 is an assembly effect diagram of the cable fixing module of the OPGW residual cable rack of the modularized substation in Fig. 1 .

Fig. 6 is a schematic diagram of the installation frame device of the residual cable rack of the OPGW residual cable rack of the modularized substation in Fig. 1 .

detailed description

As shown in Figures 1, 2, and 3, the OPGW residual cable rack of this modular substation is fixed to the gantry pole through U-shaped hoop 8 and hoop locking bolt 9. The OPGW residual cable rack of the modular substation includes: The remaining cable rack mounting frame device 7, the remaining cable support and the cable fixing module 4, the remaining cable mounting frame device is fixed to the U-shaped hoop, the remaining cable support is aluminum alloy and includes the upper mounting beam 1, welded together The lower installation beam 2, the vertical installation beam 3, the upper installation beam and the lower installation beam are all provided with multiple sets of installation holes, the number of cable fixing modules is multiple and each uses the installation bolt 5 and the remaining cable support through the installation boss. A group of installation holes are connected, and each cable fixing module includes a locking bolt 6 for locking the optical cable that has been inventoried.

The remaining cable support of the present invention is made of aluminum alloy and includes an upper installation beam, a lower installation beam, and a vertical installation beam welded together, so the overall weight is much lighter than that of the existing cross fork; the number of cable fixing modules It is multiple and each is connected to a group of installation holes of the remaining cable support by means of installation bolts through the installation boss. Each cable fixing module includes a locking bolt for locking the optical cable in the inventory, so each module is small in size, light in weight, and It is convenient for mass production and processing, the installation of the remaining cable support is quick and convenient, and it is convenient for modification and replacement. The inventory size of the remaining cable rack can be adjusted according to the site and demand, and the shape of the remaining cable rack can be adjusted according to the site and demand.

Preferably, the cable fixing module is a cable fixing module made of non-metal insulating material.

Preferably, the cable fixing module is a cable fixing module made of vinyl epoxy resin + high-strength glass fiber. The advantages are as follows:

Insulation resistance: ≥1000MΩ/500V (DC).

Withstanding voltage: ≥3500V (DC)/1min, no breakdown, no arcing.

Non-metallic material, non-magnetic, not affected by the induced electricity of the substation.

The mechanical strength is good, the vertical tensile force is greater than 3000 N, and the outdoor use is greater than 30 years.

The mounting frame is made of aluminum alloy profile, and the weight of the entire remaining cable frame is greatly reduced.

Preferably, there are three cable fixing modules, which are distributed in a Y shape on the remaining cable support.

Preferably, the number of the cable fixing modules is four, and they are distributed on the remaining cable support in an X shape.

Preferably, the number of the cable fixing modules is five, and they are distributed on the remaining cable supports in the shape of plum blossom petals.

Preferably, the number of the cable fixing modules is six, which are distributed on the remaining cable support in the shape of snowflake petals.

Also provided is a method for assembling the OPGW residual cable rack of a modular substation, which includes the following steps:

(1) Fix it to the gantry pole through the U-shaped hoop and the hoop locking bolt, and fix the remaining cable rack mounting device to the U-shaped hoop;

(2) Install the remaining cable support on the mounting device of the remaining cable rack;

(3) Install the cable fixing module on the remaining cable support according to the diameter of the optical cable to be inventoried;

(4) Remove the locking bolt from the cable fixing module;

(5) Store the redundant OPGW optical cable reel on the cable fixing module, then store the redundant common optical cable reel on the cable fixing module, and lock the lock.

Preferably, the U-shaped hoop and the hoop locking bolt are fixed to the gantry pole at a height of 2.5 meters from the ground.

Preferably, the redundant OPGW optical cable inventory has 5-8 turns, and the redundant common optical cable inventory has 5-8 turns.

The cable fixing part is completed by several cable fixing modules, which is lighter than the cross fork, and is more than 40% lighter than the previous remaining cable rack.

If the fixed cable module is damaged, you only need to take it off and replace it with a new one, without having to re-coil the cable.

Moreover, on the remaining cable support, a plurality of holes are left at the installation place of the cable fixing module, and the installation position of the cable fixing module can be adjusted, thereby changing the size of the coiled cable.

On the remaining cable support, there can be 6 installation holes for cable fixing modules. According to the needs, three cable fixing modules can be selected to be installed in a "Y" shape, four cable fixing modules can be installed in an "X", and five cable fixing modules can be installed in a "Y" shape. The modules are installed in the shape of plum blossom petals, and the six fixed cable modules are installed in the shape of snowflake petals.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are still within the scope of this invention. The protection scope of the technical solution of the invention.

Claims (10)

1. a cable frame more than modular transformer substation OPGW, it is locked by U-shaped anchor ear (8) and anchor ear Tight bolt (9) is fixed on the bar of gantry, it is characterised in that: cable frame more than this modular transformer substation OPGW Including: remaining cable frame installing rack device (7), remaining cable bearing and solid cable module (4), remaining cable frame installing rack Device is fixed to U-shaped anchor ear, and remaining cable bearing is aluminium alloy and includes the upper installation horizontal stroke welded together Beam (1), lower installation crossbeam (2), perpendicular mounting rail (3), upper installation crossbeam, lower installation crossbeam are all provided with Organize installing hole, Gu the quantity of cable module is multiple and each utilization by installation base installs bolt more (5) being connected with one group of installing hole of remaining cable bearing, each solid cable module includes the optical cable that locking plate keeps Locking bolt (6).

Cable frame more than modular transformer substation OPGW the most according to claim 1, it is characterised in that: Described solid cable module is the solid cable module that non-metal insulating material is made.

Cable frame more than modular transformer substation OPGW the most according to claim 2, it is characterised in that: Described solid cable module is the solid cable module that vinyl epoxy resin+high strength glass fiber is made.

4., according to cable frame more than the modular transformer substation OPGW described in any one of claim 1-3, it is special Levy and be: the quantity of described solid cable module is three, is distributed on remaining cable bearing in Y type.

5., according to cable frame more than the modular transformer substation OPGW described in any one of claim 1-3, it is special Levy and be: the quantity of described solid cable module is four, is distributed in X-type on remaining cable bearing.

6., according to cable frame more than the modular transformer substation OPGW described in any one of claim 1-3, it is special Levy and be: the quantity of described solid cable module is five, petal-shaped in Flos Mume be distributed on remaining cable bearing.

7., according to cable frame more than the modular transformer substation OPGW described in any one of claim 1-3, it is special Levy and be: the quantity of described solid cable module is six, petal-shaped in snowflake be distributed on remaining cable bearing.

8. the assembling side of cable frame more than a modular transformer substation OPGW according to claim 1 Method, it is characterised in that: it comprises the following steps:

(1) it is fixed on the bar of gantry by U-shaped anchor ear and anchor ear clamping screw, by remaining cable frame installing rack Device is fixed to U-shaped anchor ear；

(2) remaining cable bearing is arranged on remaining cable frame installing rack device；

(3) according to the diameter of optical cable to be taken inventory, solid cable module is installed on remaining cable bearing；

(4) locking bolt is removed from solid cable module；

(5) the OPGW reel of redundancy is existed in solid cable module, then the ordinary optical cable of redundancy is taken inventory In solid cable module, lock bolt.

Method the most according to claim 8, it is characterised in that: U-shaped anchor ear and anchor ear locking screw Bolt is fixed on the bar of gantry overhead 2.5 meters of high positions.

Method the most according to claim 8, it is characterised in that: the OPGW light of described redundancy 5-8 circle taken inventory by cable, and the ordinary optical cable of described redundancy takes inventory 5-8 circle.