CN215264169U

CN215264169U - OPGW optical cable down-leading multi-point flexible grounding complete equipment

Info

Publication number: CN215264169U
Application number: CN202121704095.7U
Authority: CN
Inventors: 陈军; 董强; 邓云丰; 马朝权
Original assignee: Shijiazhuang Huaneng Electric Co ltd
Current assignee: Shijiazhuang Huaneng Electric Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-12-21
Anticipated expiration: 2031-07-26

Abstract

The utility model provides a OPGW optical cable draws down multiple spot flexible ground complete sets, include and draw down strain insulator gold utensil (3) that optical cable (2) are connected with OPGW, OPGW draws down optical cable (2) and is close to first binding post (7) on strain insulator gold utensil (3) a side surface through first earth connection (6) connection station inner frame (1), OPGW draws down optical cable (2) and is close to remaining cable frame (12) a side surface and connects second binding post (18) through second earth connection (9), graphite grounding body (16) is connected in second binding post (18), OPGW draws down optical cable (2) and is close to splice box (10) a side surface and passes through third earth connection (11) and connect third binding post (19), graphite grounding body (16) is connected in third binding post (19). The utility model provides a flexible ground connection integrated equipment of multiple spot is drawn down to OPGW optical cable forms the three point ground connection form that OPGW led down the optical cable, can effectively play the effect of lightning protection.

Description

OPGW optical cable down-leading multi-point flexible grounding complete equipment

Technical Field

The utility model belongs to the technical field of the cable erection construction technique and specifically relates to a OPGW optical cable draws down multiple spot nimble ground connection integrated equipment.

Background

The OPGW optical cable is also called as an optical fiber composite overhead ground wire, an optical fiber is placed in a ground wire of an overhead high-voltage transmission line to form an optical fiber communication network on the transmission line, the optical fiber communication network has double functions of a lightning protection ground wire and a communication optical cable, and the OPGW optical cable has the remarkable characteristics of high reliability, superior mechanical performance, better economy and the like, is widely applied to new and reconstructed lines of 110kv or above, is erected at the top of an iron tower of the transmission line, is easier to be struck by lightning compared with other optical cables, or is imperfect in lightning protection grounding of a part to be entered into a station, and has the fault that the optical cable to be entered into the station is damaged by lightning or short-circuit current.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a to prior art's defect and not enough, the utility model provides a OPGW optical cable draws down multiple spot flexibility ground connection integrated equipment. The technical scheme is as follows:

the utility model provides a multiple spot flexible grounding complete equipment is drawn down to OPGW optical cable, including drawing down strain insulator gold utensil (3) that optical cable (2) are connected with OPGW, strain insulator gold utensil (3) are connected vertical setting's in-station framework (1) through insulator (4), OPGW draws down optical cable (2) lower part and sets up surplus cable frame (12), OPGW draws down optical cable (2) lower tip and connects ordinary optical cable (13) through splice box (10), ordinary optical cable (13) extend to the cable pit through galvanized steel pipe (15),

the surface of one side, close to the strain fitting (3), of the OPGW downlead optical cable (2) is connected with a first wiring terminal (7) on the station inner framework (1) through a first grounding wire (6);

the surface of one side, close to the rest cable frame (12), of the OPGW leading-down optical cable (2) is connected with a second wiring terminal (18) through a second grounding wire (9), and the second wiring terminal (18) is connected with a graphite grounding body (16);

the OPGW is led down the optical cable (2) and is close to one side surface of the joint box (10) and connected with a third wiring terminal (19) through a third grounding wire (11), and the third wiring terminal (19) is connected with a graphite grounding body (16).

Preferably, the first ground wire (6), the second ground wire (9), and the third ground wire (11) are connected to the OPGW drop cable (2) by parallel groove clamps (5), respectively.

Preferably, the ordinary optical cable (13) is provided with a plugging box (14) through a galvanized steel pipe (15).

Preferably, the OPGW lead-down optical cable (2) close to one side of the station internal framework (1) is fixed on the station internal framework (1) through an insulation lead-down fixture (8).

Preferably, one end of the first grounding wire (6) without a wiring terminal is connected with the OPGW lead-down optical cable (2) through a parallel groove clamp, and the wiring terminal at the other end is arranged at a wiring terminal (7) at the top end of the station internal framework (1);

one end of the second grounding wire (9) without a wiring terminal is connected with the OPGW lead-down optical cable (2) through a parallel groove clamp, and the other end of the second grounding wire and the graphite grounding body (16) are connected by fixing the wiring terminals of the second grounding wire and the graphite grounding body together through a connecting mechanism;

and one end of the third grounding wire (11) without a wiring terminal is connected with the OPGW down-leading optical cable (2) through a parallel groove clamp, and the other end of the third grounding wire and the graphite grounding body (16) are fixed together through a connecting mechanism to realize connection.

Preferably, the splice closure (10), the residual cable rack (12) and the galvanized steel pipe (15) are fixed on the side wall of the station frame (1) through a steel belt with an insulating layer.

Preferably, the number of the graphite grounding bodies (16) is two, and the two graphite grounding bodies (16) are connected through a graphite grounding electrode clamp (17) and then are connected into a grounding grid to form grounding construction of the OPGW drop optical cable (2).

Preferably, a rubber pad is wound on the contact surface of the station inner frame (1) and the down-leading clamp (8) to protect the station inner frame (1) and insulate the station inner frame.

The utility model provides a flexible ground connection integrated equipment of multiple spot is drawn down to OPGW optical cable, during OPGW optical cable realized three point ground connection and two kinds of forms and incorporated into the ground net, can effectively play the effect of lightning protection.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of an optical cable down-leading multi-point flexible grounding complete device provided in an embodiment of the present invention;

reference numerals: 1. the station comprises an in-station framework, an optical cable led down by 2 and OPGW, a tension-resistant hardware fitting, 4, an insulator, 5, a parallel groove clamp, 6, a first grounding wire, 7, a connecting terminal, 8, an insulating led down fixture, 9, a second grounding wire, 10, a connector box, 11, a third grounding wire, 12, a residual cable frame, 13, a common optical cable, 14, a plugging box, 15, a galvanized steel pipe, 16, a graphite grounding electrode, 17, a graphite grounding electrode fixture, 18, a second connecting terminal, 19 and a third connecting terminal.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a flexible ground connection integrated equipment of multiple spot is drawn down to OPGW optical cable, as shown in fig. 1, specifically include and draw down strain insulator gold utensil 3 that optical cable 2 is connected with OPGW, strain insulator gold utensil 3 passes through insulator 4 and connects framework 1 in the station of vertical setting, OPGW draws down optical cable 2 lower part and sets up remaining cable frame 12, and OPGW draws down the unnecessary part winding of optical cable on remaining cable frame 12, realizes the rolling to unnecessary optical cable. The lower end part of the OPGW leading-down optical cable 2 is connected with a common optical cable 13 through a joint box 10, the common optical cable 13 extends to a cable trench through a galvanized steel pipe 15,

the surface of one side, close to the strain fitting 3, of the OPGW downlead optical cable 2 is connected with a first wiring terminal 7 on the in-station framework 1 through a first grounding wire 6;

the surface of one side, close to the rest cable frame 12, of the OPGW lead-down optical cable 2 is connected with a second wiring terminal 18 through a second grounding wire 9, and the second wiring terminal 18 is connected with a graphite grounding body 16;

the surface of one side, close to the splice box 10, of the OPGW lead-down optical cable 2 is connected with a third connecting terminal 19 through a third grounding wire 11, and the third connecting terminal 19 is connected with a graphite grounding body 16.

The first grounding wire 6, the second grounding wire 9 and the third grounding wire 11 are respectively connected with the OPGW lead-down optical cable 2 through the parallel groove clamp 5.

The common optical cable 13 is provided with a plugging box 14 at the position of penetrating through the galvanized steel pipe 15 so as to prevent foreign matters from entering the pipe to block or damage the common optical cable.

One end of the first grounding wire 6, which does not contain a wiring terminal, is connected with the OPGW lead-down optical cable 2 through a parallel groove clamp, and the wiring terminal at the other end is arranged at a first wiring terminal 7 at the top end of the in-station framework 1;

one end of the second grounding wire 9, which does not contain a wiring terminal, is connected with the OPGW lead-down optical cable 2 through a parallel groove clamp, and the other end of the second grounding wire is connected with the graphite grounding body 16 through a connecting mechanism, wherein the wiring terminals of the second grounding wire and the graphite grounding body are fixed together through the connecting mechanism, and the connecting mechanism is a bolt;

the third grounding wire 11 does not contain a connecting terminal, one end of the connecting terminal is connected with the OPGW to lead the optical cable 2 down through a parallel groove clamp, the other end of the connecting terminal is fixed with the graphite grounding body 16 through a connecting mechanism, the connecting mechanism is a bolt, and the connecting mechanism is used for fixing the connecting terminal of the third grounding wire and the graphite grounding body together.

The number of the graphite grounding bodies 16 is two, and the two graphite grounding bodies 16 are connected through the graphite grounding electrode clamp 17 and then connected into a grounding grid to form OPGW leading-down optical cable 2 grounding construction.

The OPGW lead-down optical cable 2 close to one side of the station internal framework 1 is fixed on the station internal framework 1 through an insulating lead-down fixture 8, the insulating lead-down fixture 8 is provided with an insulating layer, and a rubber pad is wound on the contact surface of the station internal framework 1 and the lead-down fixture 8 so as to protect the station internal framework 1 and insulate the station internal framework. The splice box 10, the rest cable frames 12 and the galvanized steel pipes 15 are all fixed on the side wall of the in-station framework 1 through steel belts with insulating layers, so that the effects of fixing, arranging and insulating can be achieved, and cable swinging is avoided.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A multi-point flexible grounding complete device for leading an OPGW optical cable down comprises a strain fitting (3) connected with an OPGW leading optical cable (2), wherein the strain fitting (3) is connected with a vertically arranged in-station framework (1) through an insulator (4), a residual cable frame (12) is arranged at the lower part of the OPGW leading optical cable (2), the lower end part of the OPGW leading optical cable (2) is connected with a common optical cable (13) through a joint box (10), the common optical cable (13) extends to a cable trench through a galvanized steel pipe (15), and the device is characterized in that,

2. The OPGW optical cable drop multi-point flexible grounding kit as claimed in claim 1, wherein the first grounding wire (6), the second grounding wire (9), and the third grounding wire (11) are respectively connected with the OPGW drop optical cable (2) through parallel groove clamps (5).

3. An OPGW optical cable drop multi-point flexible grounding kit as claimed in claim 1, characterised in that a plugging box (14) is installed where the ordinary optical cable (13) passes through and is galvanized steel pipe (15).

4. An OPGW cable drop multi-point flexible grounding kit as claimed in claim 1 wherein the OPGW drop cable (2) near one side of the in-station framework (1) is fixed to the in-station framework (1) by an insulating drop clamp (8).

5. The OPGW optical cable drop multi-point flexible grounding kit as claimed in claim 1, wherein the first grounding wire (6) has a terminal-free end connected to the OPGW drop optical cable (2) by a parallel groove clamp, and a terminal at the other end mounted at a terminal (7) at the top end of the in-station framework (1);

6. An OPGW optical cable drop multi-point flexible grounding kit as claimed in claim 1, characterized in that the splice closure (10), the remaining cable rack (12) and the galvanized steel pipe (15) are all fixed to the side wall of the in-station framework (1) by steel strips with an insulating layer.

7. The OPGW optical cable down-leading multi-point flexible grounding complete set device as claimed in claim 1, wherein the number of the graphite grounding bodies (16) is two, and the two graphite grounding bodies (16) are connected through a graphite grounding electrode clamp (17) and then are connected into a grounding network to form grounding construction of the OPGW optical cable down-leading optical cable (2).

8. An OPGW optical cable drop multi-point flexible grounding kit as claimed in claim 4, characterized in that the contact surface of the station internal framework (1) and the drop fixture (8) is wrapped with a rubber pad to protect the station internal framework (1) and insulate it.