CN215375889U

CN215375889U - OPGW (optical fiber composite overhead ground wire) inter-gear continuous joint box

Info

Publication number: CN215375889U
Application number: CN202121704123.5U
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: 2021-12-31
Anticipated expiration: 2031-07-26

Abstract

The utility model provides an OPGW (optical fiber composite overhead ground wire) inter-gear continuous joint box which comprises a first connecting plate (4), wherein the left side and the right side of the first connecting plate (4) are respectively connected with pre-twisted strain fittings (1) through length adjusting plates (3), the pre-twisted strain fittings (1) are respectively wound on two sides of an OPGW to be continuous, the lower part of the first connecting plate (4) is connected with a joint box (6), the ends of the two sides of the OPGW to be continuous are connected through the joint box (6), a drainage wire (8) is arranged on the lower part of the joint box (6), and two ends of the drainage wire (8) are respectively connected with the two sides of the OPGW to be continuous. The utility model provides an OPGW (optical fiber composite overhead ground wire) inter-grade joint box which has the performances of tension connection, communication connection, power wires and the like, and can be used for broken wire repair engineering of a power transmission line and design construction of a new line.

Description

OPGW (optical fiber composite overhead ground wire) inter-gear continuous joint box

Technical Field

The utility model relates to a connection device at an OPGW straight line, in particular to an OPGW inter-grade connection box.

Background

The OPGW is also called an optical fiber composite overhead ground wire, optical fibers are placed in the ground wire of an overhead high-voltage transmission line to form an optical fiber communication network on the transmission line, communication optical fibers are arranged in the optical fiber communication network, the optical fiber communication network cannot bear extrusion and is generally connected on a tension tower of the high-voltage transmission line, however, the tension on the transmission line is small, so that the tension section is long, if the tension section has a broken wire problem, the OPGW of the whole tension section needs to be replaced, so that the construction is difficult, and a large amount of financial and material resources are wasted.

SUMMERY OF THE UTILITY MODEL

In view of the defects and shortcomings of the prior art, the embodiment of the utility model provides an OPGW (optical fiber composite overhead ground wire) inter-grade splicing box which has the performances of tension splicing, communication optical fiber splicing and power wire splicing. The technical scheme is as follows:

the utility model provides an OPGW (optical fiber composite overhead ground wire) inter-gear continuous joint box which comprises a first connecting plate (4), wherein the left side and the right side of the first connecting plate (4) are respectively connected with pre-twisted strain fittings (1) through length adjusting plates (3), the pre-twisted strain fittings (1) on the two sides are respectively wound on the two sides of an OPGW to be continuous, the lower part of the first connecting plate (4) is connected with a joint box (6), the ends of the two sides of the OPGW to be continuous are connected through the joint box (6), a drainage wire (8) is arranged on the lower part of the joint box (6), and the two ends of the drainage wire (8) are respectively connected with the two sides of the OPGW to be continuous.

Preferably, the length adjustment plate (3) is a PT adjustment plate.

Preferably, the length adjusting plate (3) is connected with the pre-twisted tension-resistant hardware fitting (1) through a heart-shaped ring (2).

Preferably, the joint box (6) is connected with the first connecting plate (4) through a parallel hanging plate (5).

Preferably, cable feeding pipes (9) are arranged on two sides of the joint box (6), and two end heads of the OPGW to be connected are respectively fixed on the cable feeding pipes (9) through fixing wire clamps (10) so as to be led into the joint box (6).

Preferably, the lower end of the joint box (6) is provided with a fixing hole, and the two ends of the drainage lead (8) are connected to an OPGW (optical fiber composite overhead ground wire) to be connected through a parallel groove clamp (7) after passing through the fixing hole, so that current connection is realized.

Preferably, the parallel hanging plate (5) is connected with the joint box (6) through a second connecting plate (11).

Preferably, the joint box is a suspension joint box (6).

Preferably, the splice closure (6) is internally provided with a fiber storage disc (12).

Preferably, the first connecting plate (4) is a triangular connecting plate.

The utility model provides an OPGW (optical fiber composite overhead ground wire) inter-grade continuous joint box which can be used for directly connecting OPGW disconnected among grades, replacing the OPGW of the whole strain section without the problem of wire breakage at a certain position in the middle of the strain section, directly carrying out linear connection, simply and conveniently improving the continuous efficiency of the OPGW, effectively reducing the cost and improving the working efficiency. The connection device has the performances of tension connection, communication connection, power wire connection and the like, and can be used for the broken wire repair engineering of the power transmission line and the design construction of a new line.

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 introduced 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 based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an OPGW inter-connection adapter box provided in the embodiment of the present invention;

reference numerals: 1. pre-twisted strain hardware fittings; 2. a heart-shaped ring; 3. tensioning the hardware PT adjusting plate; 4. A first connecting plate; 5. hanging plates in parallel; 6. a suspension joint box; 7. a parallel groove clamp; 8. a drainage wire; 9. A cable inlet pipe; 10. fixing a wire clamp; 11. a second connecting plate; 12. and storing the fiber disc.

Detailed Description

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

The utility model provides an OPGW (optical fiber composite overhead ground wire) inter-gear continuous joint box which comprises a first connecting plate 4, wherein the left side and the right side of the first connecting plate 4 are respectively connected with pre-twisted strain fittings 1 through length adjusting plates 3, the pre-twisted strain fittings 1 are respectively wound on two sides to be continuous of an OPGW, the lower part of the first connecting plate 4 is connected with a joint box 6, the ends of the two sides to be continuous of the OPGW are connected through the joint box 6, the lower part of the joint box 6 is provided with a drainage wire 8, and two ends of the drainage wire 8 are respectively connected with the two sides to be continuous of the OPGW.

The length adjustment board 3 is the PT adjustment board, the length adjustment board 3 is connected with preformed helical strain insulator gold utensil 1 through heart ring 2, first connecting plate 4 is connected through parallel link plate 5 to joint box 6, first connecting plate 4 is the triangle yoke plate. The parallel hanging plate 5 is connected with the joint box 6 through the second connecting plate 11, the joint box 6 is a suspension type joint box, and a fiber storage disc 12 is arranged in the joint box 6.

Two symmetrical cable inlets at two sides of the joint box 6 are respectively used for introducing optical fibers of OPGW to be spliced; the cable inlet is provided with a cable inlet pipe 9, the two side ends of the OPGW to be connected are respectively fixed on the cable inlet pipe 9 through fixing clamps 10 so as to be led into a joint box 6, the lower end of the joint box 6 is provided with a fixing hole, and two ends of a drainage wire 8 are connected on the OPGW to be connected through a parallel groove clamp 7 after passing through the fixing hole so as to realize current connection.

The utility model provides an OPGW (optical fiber composite overhead ground wire) inter-gear continuous joint box which can be used for directly connecting an OPGW with a disconnected gear space, replacing the OPGW of the whole strain section without the problem of wire breakage at a position in the middle of the strain section, directly carrying out linear connection, simply and conveniently improving the continuous efficiency of the OPGW, effectively reducing the cost and improving the working efficiency. The connection device has the performances of tension connection, communication connection, power wire connection and the like, and can be used for the broken wire repair engineering of the power transmission line and the design construction of a new line.

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

Claims

1. The utility model provides an continuous joint box between OPGW shelves, a serial communication port, including first connecting plate (4), the first connecting plate (4) left and right sides is connected with preformed helical strain insulator gold utensil (1) through length adjustment board (3) respectively, preformed helical strain insulator gold utensil (1) of both sides twine respectively and treat the both sides that continue at OPGW, first connecting plate (4) sub-unit connection joint box (6), the both sides end that OPGW waited to continue is connected through joint box (6), joint box (6) lower part sets up drainage wire (8), the both sides that OPGW waited to continue are connected respectively at drainage wire (8) both ends.

2. An OPGW inter-gear splice cassette as claimed in claim 1, wherein said length adjustment plate (3) is a PT adjustment plate.

3. The OPGW inter-gear coupling box according to claim 2, wherein the length adjustment plate (3) is connected with a pre-twisted tension-resistant fitting (1) through a heart-shaped ring (2).

4. An OPGW inter-grade joint closure according to claim 1, characterized in that said joint closure (6) connects the first connecting plate (4) by means of parallel peg boards (5).

5. The OPGW inter-gear continuous joint box of claim 1, wherein cable feeding pipes (9) are arranged on two sides of the joint box (6), and two end heads of the OPGW to be connected are respectively fixed on the cable feeding pipes (9) through fixing wire clamps (10) to be led into the joint box (6).

6. An OPGW inter-grade connection box according to claim 1, characterized in that the lower end of the connection box (6) is provided with a fixing hole, and the drainage wire (8) passes through the fixing hole and then is connected with the two ends thereof on the OPGW to be connected through a parallel groove clamp (7) so as to realize current connection.

7. An OPGW inter-grade connection-box according to claim 4, characterised in that the parallel peg-boards (5) are connected to the connection-box (6) by means of a second connection-board (11).

8. An OPGW inter-grade splice closure as claimed in claim 1, wherein said splice closure (6) is a suspension splice closure.

9. An OPGW inter-grade splice closure as claimed in claim 1, characterised in that a fibre storage tray (12) is provided within the closure (6).

10. An OPGW inter-grade splice cassette as claimed in claim 1, wherein said first connecting plate (4) is a triangular yoke plate.