CN218995740U - Insulated optical unit down-connection separation hardware fitting of OPGW - Google Patents
Insulated optical unit down-connection separation hardware fitting of OPGW Download PDFInfo
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- CN218995740U CN218995740U CN202222643551.2U CN202222643551U CN218995740U CN 218995740 U CN218995740 U CN 218995740U CN 202222643551 U CN202222643551 U CN 202222643551U CN 218995740 U CN218995740 U CN 218995740U
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Abstract
The utility model discloses an OPGW insulation light unit downward separation hardware fitting, which comprises a first cylinder body and a second cylinder body, wherein the first cylinder body comprises two first arc-shaped sheets with radian of 180 degrees, the second cylinder body comprises second arc-shaped sheets with radian of 180 degrees, each first arc-shaped sheet is fixedly provided with a second arc-shaped sheet, and an included angle between the central line of the first arc-shaped sheet and the central line of the second arc-shaped sheet is 5-35 degrees; each first arc-shaped piece is fixedly provided with a plurality of lugs; the two lugs at the corresponding positions of the two first arc-shaped sheets are fixedly connected together through the bolt fastener, so that the two first arc-shaped sheets are fixedly connected together. The separating hardware fitting can fully protect the OPGW and the insulating light unit, only needs to symmetrically cover the OPGW and the light unit, and is fixed by using a bolt fastener, so that the operation is very convenient.
Description
Technical Field
The utility model belongs to the field of power distribution network communication, and particularly relates to an OPGW (optical fiber composite overhead ground wire) insulated light unit downward separation hardware fitting.
Background
The stainless steel tube optical unit is widely applied to optical cable systems such as optical fiber composite overhead ground wires (OPGWs), photoelectric composite cables, submarine optical cables and the like, has the characteristics of large communication capacity, high communication quality, strong anti-interference capability and the like, and plays a vital role in international communication.
The conventional optical fiber composite overhead ground wire is an important product in a power transmission system, the metal monofilament is matched with an internal stainless steel sleeve light unit, and a sensing optical fiber, a communication optical fiber and a fiber paste are arranged in a sleeve of the stainless steel sleeve light unit in the optical fiber composite overhead ground wire, so that the optical fiber composite overhead ground wire has the functions of power transmission, sensing detection, communication and the like.
After the original light unit is changed from a stainless steel sleeve to a nonmetallic high polymer material, the original light unit separating hardware fitting is not suitable for nonmetallic materials. The insulating light units are easy to bend, collapse and the like in the construction process. In the service process of the optical fiber composite overhead ground wire, the phenomenon that the optical unit is ablated due to water seepage at the separation position of the optical unit occurs, and the optical unit is blown to cause failure when serious.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the utility model provides an insulated light unit downward-guiding separation hardware fitting of an OPGW, which aims to smoothly and conveniently separate and guide an insulated light unit from the OPGW and perform water blocking treatment, thereby solving the technical problems that the insulated light unit downward-guiding light unit is easy to bend and flatten and the light unit is easy to separate and permeate water.
In order to achieve the above object, according to one aspect of the present utility model, there is provided an insulated light unit down-separating hardware for OPGW, comprising a first cylinder for threading the OPGW and a second cylinder for threading the separated insulated light unit, the first cylinder comprising two first arc-shaped pieces each having an arc of 180 °, the second cylinder comprising two second arc-shaped pieces each having an arc of 180 °, wherein:
each first arc-shaped piece is fixedly provided with a second arc-shaped piece, and an included angle between the central line of each first arc-shaped piece and the central line of each second arc-shaped piece is 5-35 degrees;
each first arc-shaped sheet is fixedly provided with a plurality of lugs which are arranged in two rows;
the two lugs at the corresponding positions of the two first arc-shaped sheets are fixedly connected together through the bolt fastener, so that the two first arc-shaped sheets are fixedly connected together.
Preferably, the inner and outer diameters of the first cylinder are larger than the inner and outer diameters of the second cylinder, respectively.
Preferably, an end of the second cylinder remote from the first cylinder is provided with an external thread, a cap nut is coupled to the external thread of the second cylinder, and a cap end of the cap nut is provided with a through hole so that the insulating light unit passes through the cap nut.
Preferably, the two lugs connected by the bolt fastener are fitted together.
Preferably, both ends of the first cylinder are provided with sealing members to prevent rainwater from entering the first cylinder; each of the seals has a through hole to facilitate the OPGW to pass through the seal.
Preferably, the seal is a rubber plug.
Preferably, for two lugs connected by a bolt fastener, one of the lugs has internal threads and the bolt fastener is a bolt.
Preferably, the difference between the inner diameter of the first cylindrical body and the diameter of the OPGW to be worn is 0.5mm to 2mm.
Preferably, the lug and the first arc-shaped piece are integrally formed, or the lug and the first arc-shaped piece are fixed together in a welding mode.
Preferably, the second arc-shaped piece and the first arc-shaped piece are integrally formed, or the second arc-shaped piece and the first arc-shaped piece are fixed together in a welding mode.
In general, the above technical solutions conceived by the present utility model, compared with the prior art, enable the following beneficial effects to be obtained:
the separating hardware fitting is mainly formed by buckling two symmetrical structures, after the optical unit is separated from the OPGW, the two first arc-shaped sheets and the two second arc-shaped sheets are spliced together to form a complete first cylinder body and a second cylinder body, so that the OPGW and the insulated optical unit separated from the OPGW can be fully protected, the insulated optical unit can be quickly separated, the effective protection and other effects of the insulated optical unit can be achieved, and the two symmetrical structures are only required to be symmetrically covered on the OPGW and the separated insulated optical unit and are fixed by using a bolt fastener, so that the operation is very convenient.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 1, an insulated light unit down-draw separation hardware of an OPGW includes a first cylinder 1 for mounting the OPGW and a second cylinder 2 for mounting the separated insulated light unit, the first cylinder 1 includes two first arc-shaped pieces each having an arc of 180 °, and the second cylinder 2 includes two second arc-shaped pieces each having an arc of 180 °, wherein:
every all set firmly one on the first arc piece the second arc piece, the second arc piece with first arc piece integrated into one piece, perhaps the second arc piece with first arc piece is together fixed through welded mode, and the central line of first arc piece with the contained angle of the central line of second arc piece is 5 ~ 35, in such angle range, can guarantee to get into smoothly in the second arc piece after insulating light unit and the metal monofilament separation on the OPGW, can prevent again that insulating light unit separation angle is too big and cause partial light unable normal pass through or transit time extension to lead to optical signal loss, optical power decline.
The two second arc-shaped pieces are spliced together to form a second cylinder 2 for wearing the separated insulated light units.
Each first arc-shaped sheet is fixedly provided with a plurality of lugs 3, the lugs 3 are arranged in two rows, the two rows of lugs 3 are respectively positioned at two sides of the first arc-shaped sheet, the lugs 3 and the first arc-shaped sheets are integrally formed, or the lugs 3 and the first arc-shaped sheets are fixed together in a welding mode; the two lugs 3 at the corresponding positions of the two first arc-shaped sheets are fixedly connected together through bolt fasteners, so that the two first arc-shaped sheets are fixedly connected together. The two lugs 3 connected by the bolt fastener are attached together.
The OPGW is untwisted, the insulated light units with set lengths are separated from the OPGW, then the OPGW is twisted again, then only two first arc-shaped sheets are symmetrically covered on the twisted OPGW, two second arc-shaped sheets are symmetrically covered on the insulated light units, and the insulated light units are fixed through the lug 3 by using a bolt fastener, so that the operation is very convenient.
Further, the inner diameter and the outer diameter of the first cylinder 1 are respectively larger than those of the second cylinder 2, and the first cylinder 1 is used as a cylinder with main supporting function, and is designed to be relatively large, so that the bearing capacity and the supporting effect are good.
Further, an end of the second cylinder 2 remote from the first cylinder 1 is provided with an external thread, a cap nut is coupled to the external thread of the second cylinder 2, and a cap end (closed end, open end) of the cap nut is provided with a through hole so that an insulating light unit passes through the cap nut. The design of the cap nut can well protect the insulating light unit in the second cylinder 2 and can effectively prevent rainwater and dust from entering.
Further, both ends of the first cylinder 1 are provided with sealing members to prevent rainwater from entering the first cylinder; the sealing element is preferably a rubber plug; each of the seals has a through hole to facilitate the OPGW to pass through the seal. Objects such as water blocking yarns, sleeves and the like are wound on the insulating light unit, so that the diameter of the through hole of the rubber plug is 0.5-2 mm larger than that of the insulating light unit, and the insulating light unit wound with the objects can pass through the through hole.
Further, to two lugs 3 that bolt fastener connects, one lug 3 has the internal thread, and bolt fastener is the bolt, like this directly adopts the bolt can be with two lugs 3 fixed connection together, convenient operation.
Furthermore, the difference between the inner diameter of the first cylinder and the diameter of the OPGW to be worn is 0.5-2 mm, so that the OPGW can be wound with water-blocking yarns, and rainwater is prevented from entering due to gaps caused by the fact that two first arc-shaped sheets cannot be closely abutted together.
During actual construction operation, firstly, metal monofilaments on the outer layer of the insulating light unit are stripped to expose the insulating light unit, after the insulating light unit is led out, the space left by the OPGW is filled with an aluminum-clad steel wire or other nonmetallic materials with the diameter identical to that of the insulating light unit, and then the aluminum-clad steel wire or other nonmetallic materials are twisted again to form a twisted section.
And winding a water blocking object on the separated insulating light unit, wherein the water blocking object is wound on the part, which is not stripped, of the compound twisted section and the optical fiber compound overhead ground wire and is positioned in the first cylinder, and the water blocking object is water blocking yarn or water blocking tape.
The two first arc-shaped sheets are fixed through bolt fasteners and wrap the remaining metal part of the OPGW and the insulating light unit wound with the water blocking tape.
The insulating light unit is led out from the second cylinder 2.
The insulating light unit is protected properly by the separating hardware fitting, so that the insulating light unit can be separated quickly, and photoelectric separation of the insulating light unit and the metal monofilament can be realized.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The utility model provides an insulated light unit downdraw separation gold utensil of OPGW, its characterized in that, including the first cylinder that is used for wearing dress OPGW and the second cylinder that is used for wearing dress the insulated light unit that separates out, first cylinder includes that two radians are 180 first arc piece, the second cylinder includes that two radians are 180 second arc piece, wherein:
each first arc-shaped piece is fixedly provided with a second arc-shaped piece, and an included angle between the central line of each first arc-shaped piece and the central line of each second arc-shaped piece is 5-35 degrees;
each first arc-shaped sheet is fixedly provided with a plurality of lugs which are arranged in two rows;
the two lugs at the corresponding positions of the two first arc-shaped sheets are fixedly connected together through the bolt fastener, so that the two first arc-shaped sheets are fixedly connected together.
2. The OPGW insulated optical unit down-draw separation hardware according to claim 1, wherein the inner and outer diameters of the first cylinder are larger than the inner and outer diameters of the second cylinder, respectively.
3. The OPGW insulated light unit down-draw separation fitting according to claim 1, wherein an end of the second cylinder remote from the first cylinder is provided with external threads, a cap nut is coupled to the external threads of the second cylinder, and a cap end of the cap nut is provided with a through hole so that the insulated light unit passes through the cap nut.
4. The OPGW insulated optical unit down-draw separation hardware according to claim 1, wherein two lugs connected by the bolt fastener are attached together.
5. The OPGW insulated optical unit down-draw separation hardware according to claim 1, wherein both ends of the first cylinder are provided with sealing members to prevent rainwater from entering the first cylinder; each of the seals has a through hole to facilitate the OPGW to pass through the seal.
6. The OPGW insulated optical unit down-draw separation hardware of claim 5 wherein the seal is a rubber plug.
7. The OPGW insulated optical unit down-draw separation hardware according to claim 1, wherein for two lugs connected by a bolt fastener, one lug has an internal thread, and the bolt fastener is a bolt.
8. The OPGW insulated optical unit down-draw separation fitting according to claim 1, wherein the difference between the inner diameter of the first cylinder and the diameter of the OPGW to be threaded is 0.5mm to 2mm.
9. The OPGW insulated light unit down-draw separation hardware according to claim 1, wherein the tab is integrally formed with the first arc-shaped piece or the tab is fixed with the first arc-shaped piece by welding.
10. The OPGW insulated light unit down-draw separation hardware according to claim 1, wherein the second arc-shaped piece is integrally formed with the first arc-shaped piece, or the second arc-shaped piece is fixed with the first arc-shaped piece by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222643551.2U CN218995740U (en) | 2022-10-09 | 2022-10-09 | Insulated optical unit down-connection separation hardware fitting of OPGW |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222643551.2U CN218995740U (en) | 2022-10-09 | 2022-10-09 | Insulated optical unit down-connection separation hardware fitting of OPGW |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218995740U true CN218995740U (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222643551.2U Active CN218995740U (en) | 2022-10-09 | 2022-10-09 | Insulated optical unit down-connection separation hardware fitting of OPGW |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218995740U (en) |
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2022
- 2022-10-09 CN CN202222643551.2U patent/CN218995740U/en active Active
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