CN220709426U - Overhead optical cable down-leading device for double-circuit lines with same-gear framework - Google Patents

Abstract

An overhead optical cable down-leading device for double-circuit lines with a convenient same-gear framework comprises a framework, a ladder stand and two optical cable down-leading parts; the whole framework is A-shaped and comprises a stand column positioned at the top end of the framework, two front support columns and two rear support columns which are positioned below the stand column and are arranged in an intersecting mode, the two support columns are symmetrically arranged on the front side and the rear side of the stand column respectively, and the cat ladder is positioned on the rear support column of the framework; the two optical cable down-leading parts are symmetrically arranged at the left side and the right side of the framework; the left and right opposite sides of the front pillar of the framework are respectively fixed with an optical cable down-leading part, and each optical cable down-leading part is used for fixing an OPGW optical cable; the root OPGW that is down from the front side of the frame is equally divided into two parts and down by cable down-take parts on the left and right sides of the frame, respectively. The utility model solves the problem of how to lead 4 OPGW optical cables down on a framework. The device has the advantages of simple structure and convenient wiring.

Description

Overhead optical cable down-leading device for double-circuit lines with same-gear framework

Technical Field

The utility model relates to the technical field of power communication equipment, in particular to a double-circuit line overhead optical cable down-leading device convenient for a same-gear framework.

Background

According to the general design standard of the national power grid company, each incoming line gear of the 220kV framework of the transformer substation needs to be connected with 2 times of 220kV lines, 2 OPGW optical cables are led to a cable pit from the A column of the framework, and each gear has 4 OPGW optical cables in total. Thus, the framework A column positioned in the middle of the two incoming line gears needs to guide down 4 OPGW optical cables, and as the column at the rear side of the A column is provided with a ladder, only the column at the front side is used for fixing the OPGW optical cables. For example, the application number is CN201821958498.2, the application date is 2018, 11 months 26, and the application name is "OPGW optical cable down-draw device at seed transformer station architecture". As can be seen from the drawing in the drawing of the specification in this patent, shown in fig. 1 herein, 2 OPGW cables run down the front side of the truss a-pillar to the cable pit.

However, 2 OPGW cables are fixed at most to each column in the prior art, so that the problem of how to pull down 4 OPGW cables on 1 frame needs to be solved.

Disclosure of Invention

The utility model aims to provide an optical cable downdraw device capable of downdraw 4 OPGW optical cables.

In order to achieve the above object, the present utility model provides the following technical solutions:

an overhead optical cable down-leading device for double-circuit lines with a convenient same-gear framework comprises a framework, a ladder stand and two optical cable down-leading parts;

the whole framework is A-shaped and comprises a stand column positioned at the top end of the framework, and two front support columns and rear support columns which are positioned below the stand column and are arranged in an intersecting mode, wherein the front support columns and the rear support columns are respectively and symmetrically arranged on the front side and the rear side of the stand column, and the cat ladder is positioned on the rear support columns of the framework;

the two optical cable down-leading parts are symmetrically arranged at the left side and the right side of the framework;

the left and right opposite sides of the front pillar of the framework are respectively fixed with an optical cable down-leading part, and each optical cable down-leading part is used for fixing 2 OPGW optical cables;

the 4 OPGWs led down from the front side of the frame are equally divided into two parts and led down by the cable down-guiding members located on the left and right sides of the frame, respectively.

Further, each optical cable down-draw part sequentially comprises a plurality of insulating down-draw clamps, an optical cable junction box, a residual cable drum, another optical cable junction box and another residual cable drum from top to bottom;

the plurality of insulated downlead clamps are used for fixing two juxtaposed 2 OPGW optical cables.

Further, the insulation downlead wire clamp comprises a screw rod extending along the left-right direction of the framework, one end of the screw rod is fixed on the front support column, a wire clamping device sleeved on the screw rod, and a fastening nut matched with the screw rod;

the wire clamping device comprises a left clamping plate and a right clamping plate which are opposite to each other, two wire containing grooves which are arranged on the front side and the rear side of the screw rod are respectively formed in the left clamping plate and the right clamping plate, and a fastening nut which is arranged at the other end of the screw rod is used for pressing the front clamping plate and the rear clamping plate.

In the technical scheme, the utility model has the following beneficial effects:

the utility model improves the traditional lead mode, and the traditional method for leading the optical cable is to lead down 2 optical cables from the front side surface of the framework, and only one lead-out direction exists. The utility model changes the trend of the optical cable, and when 4 OPGWs which are led down from the front side surface of the upright post pass through the front pillar and the rear pillar, the trend of the wire becomes the upper and lower directions of the left side surface and the right side surface of the framework. Thereby ensuring that 4 down-leading optical cables are fixed on each A-shaped column in the middle of the framework.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a front view of a prior art down set;

fig. 2 is a schematic diagram of a front view structure of an overhead optical cable down-draw device for a double-circuit line, which is convenient for a same-gear framework, provided by the utility model;

fig. 3 is a schematic structural diagram of an insulated down conductor clip provided by the utility model.

Reference numerals:

the ladder stand comprises a framework 1, a ladder stand 2, an insulating down-draw wire clamp 31, a screw 311, a fastening nut 312, a first optical cable junction box 21, a first residual cable drum 41, a second optical cable junction box 22, a second residual cable drum 42, a third optical cable junction box 23, a third residual cable drum 43, a fourth optical cable junction box 24 and a fourth residual cable drum 44.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

It should be noted that, the terms "above," "one end," "upper," and the like are used herein to indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and similar expressions are merely for the purpose of illustration, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model; furthermore, the terms "a," "an," "the two," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model provides a double-circuit line aerial optical cable down-draw device convenient to same shelves framework as shown in fig. 2-3, includes framework 1, cat ladder 2, two optical cable down-draw parts.

The framework 1 is a door-shaped framework and is of an A-shaped overall structure, and comprises an upright column positioned at the top end of the framework 1, and two front struts and rear struts which are positioned below the upright column and are arranged in an intersecting manner. The two struts are symmetrically arranged on the front side and the rear side of the upright post respectively, and the cat ladder 2 is positioned on the rear strut of the framework 1.

The two optical cable down-leading parts are symmetrically arranged at the left side and the right side of the framework 1;

the opposite left and right sides of the front pillar of the frame 1 are respectively fixed with an optical cable down-leading part, and each optical cable down-leading part is used for fixing 2 OPGW optical cables along the length direction of the front pillar; namely, the 2 OPGW optical cables are respectively along the length direction of the front pillar.

The 4 OPGW cables led down from the front side of the column are equally divided into two parts and led down by cable down members located on the left and right sides of the frame 1, respectively. The utility model maintains the technical proposal of leading down the optical cable at the front side of the upright post in the prior art, and the 4 OPGW optical cables are split from the upright post to the connecting place of the front upright post and the rear upright post, and the positions of the 4 OPGW optical cables are also changed. The 4 OPGW cables from the front side of the chassis are directed to the left and right sides of the chassis.

Preferably, each cable down-draw member includes, in order from top to bottom, a plurality of insulated down-draw clamps 31, one cable junction box, one stub cable drum, another cable junction box, another stub cable drum; a plurality of insulated downlead clips 31 for each cable downlead member are arranged along the length direction of the front pillar, and guide 2 OPGW cables from the top end to the bottom end of the front pillar. Wherein one OPGW is connected with an optical cable junction box and a residual cable drum above; another OPGW connects another cable junction box and another stub cable tray underneath. As shown in fig. 3, there are a second cable junction box 22, a second surplus cable drum 42, a first cable junction box 21, a first surplus cable drum 41 on the right side of the bottom end of the front pillar, and a fourth cable junction box 24, a fourth surplus cable drum 44, a third cable junction box 23, a third surplus cable drum 43 on the left side of the bottom end of the front pillar. Preferably, the fourth cable junction box 24 and the second cable junction box 22 are arranged opposite to each other, the first cable junction box 21 and the third cable junction box 23 are arranged opposite to each other, the second stub cable drum 42 and the fourth stub cable drum 44 are arranged opposite to each other, and the first stub cable drum 41 and the third stub cable drum 43 are arranged opposite to each other.

A plurality of insulated down-draw clamps 31 are used to secure two juxtaposed 2 OPGW cables.

Preferably, the insulated down-draw wire clamp 31 includes a screw 311 extending in the left-right direction of the frame 1, a wire clamping device having one end of the screw 311 fixed to the front pillar and sleeved on the screw 311, and a fastening nut 312 engaged with the screw 311; the front and rear sides of the screw 311 positioned at the left side or right side of the frame can be respectively fixed with one OPGW optical cable.

The wire clamping device comprises a left clamping plate and a right clamping plate which are opposite to each other, two wire containing grooves positioned in the front-back direction of the screw 311 are respectively formed in the left clamping plate and the right clamping plate, and a fastening nut 312 positioned at the other end of the screw 311 is used for pressing the front clamping plate and the rear clamping plate. The front and rear clamping plates are fastened by the fastening nut 312 and the screw 311, so that 2 OPGW optical cables located between the left and right clamping plates can be clamped.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (3)

1. The overhead optical cable down-leading device for the double-circuit line is convenient for the same-gear framework and is characterized by comprising a framework (1), a ladder stand (2) and two optical cable down-leading parts;

the whole framework (1) is A-shaped and comprises an upright post positioned at the top end of the framework (1) and two front support posts and rear support posts which are positioned below the upright post and are arranged in an intersecting mode, the front support posts and the rear support posts are respectively and symmetrically arranged on the front side and the rear side of the upright post, and the cat ladder (2) is positioned on the rear support post of the framework (1);

the two optical cable down-leading parts are symmetrically arranged at the left side and the right side of the framework (1);

the left and right opposite sides of the front pillar of the framework (1) are respectively fixed with an optical cable down-leading part, and each optical cable down-leading part is used for fixing 2 OPGW optical cables along the length direction of the front pillar;

the 4 OPGWs led down from the front side of the column are equally divided into two parts and led down by cable down-guiding members located on the left and right sides of the frame (1), respectively.

2. An overhead optical cable down-draw device for a double-circuit line with convenience for same-speed construction according to claim 1, wherein each optical cable down-draw member comprises a plurality of insulated down-draw clamps (31), one optical cable junction box, one surplus cable drum, another optical cable junction box and another surplus cable drum in sequence from top to bottom;

a plurality of insulated down-draw clamps (31) are used to secure two juxtaposed 2 OPGW cables.

3. A device for lowering an overhead optical cable of a double-circuit line for facilitating the same-grade construction according to claim 2, wherein the insulated downlead clip (31) comprises a screw (311) extending in the left-right direction of the construction (1), a wire clamping device with one end of the screw (311) fixed on a front pillar and sleeved on the screw (311), and a fastening nut (312) matched with the screw (311);

the wire clamping device comprises a left clamping plate and a right clamping plate which are opposite to each other, two wire containing grooves which are arranged on the front side and the rear side of the screw (311) are respectively formed in the left clamping plate and the right clamping plate, and a fastening nut (312) which is arranged at the other end of the screw (311) is used for tightly pressing the front clamping plate and the rear clamping plate.