CN114089491A - Non-conductor residual cable rack assembly with lightning protection function - Google Patents

Non-conductor residual cable rack assembly with lightning protection function Download PDF

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Publication number
CN114089491A
CN114089491A CN202111186154.0A CN202111186154A CN114089491A CN 114089491 A CN114089491 A CN 114089491A CN 202111186154 A CN202111186154 A CN 202111186154A CN 114089491 A CN114089491 A CN 114089491A
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CN
China
Prior art keywords
cable
optical cable
storage
accomodate
lightning protection
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111186154.0A
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Chinese (zh)
Inventor
回翰呈
回光明
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China University of Geosciences
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China University of Geosciences
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Application filed by China University of Geosciences filed Critical China University of Geosciences
Priority to CN202111186154.0A priority Critical patent/CN114089491A/en
Publication of CN114089491A publication Critical patent/CN114089491A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439Auxiliary devices
    • G02B6/444Systems or boxes with surplus lengths
    • G02B6/4441Boxes
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/22Arrangements of earthing wires suspended between mastheads

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

The invention provides a non-conductor spare cable rack component with a lightning protection function, which comprises a joint box and two spare cable storage boxes, wherein an OPGW (optical fiber composite overhead ground wire) optical cable and an ADSS (automatic dependent Surveillance) optical cable extend out of the joint box; each surplus cable receiver includes the fixed plate, accomodates the lid and accomodates the pivot, accomodate the pivot and rotationally set up and accomodate in the lid, and OPGW optical cable and ADSS optical cable twine respectively and accomodate in two accomodate in the pivot. The invention has the beneficial effects that: this surplus cable frame subassembly can accomodate the surplus part of OPGW optical cable and ADSS optical cable in two surplus cable receivers respectively, and surplus cable receiver can play the thermal-insulated effect in reason of the knot to can avoid the high temperature damage ADSS optical cable that the OPGW optical cable produced when being struck by lightning and discharge, and this surplus cable frame subassembly's surplus cable receiver OPGW optical cable and ADSS optical cable accomodate conveniently, and the protectiveness is strong.

Description

Non-conductor residual cable rack assembly with lightning protection function
Technical Field
The invention relates to the technical field of optical fiber communication systems for high-voltage power transmission, in particular to a non-conductor residual cable rack assembly with a lightning protection function.
Background
The traditional residual cable frame component is made of metal conductor materials and has the function of coiling the residual OPGW optical cable and the ADSS optical cable on the high-voltage power transmission line of a power grid transformer substation part (220kV and above) or a power transmission line part (66kV and above). Because the poor condition of ground connection appears easily in the construction of ground connection of OPGW optical cable, when meetting thunderstorm weather, because of the poor condition of ground connection leads to OPGW optical cable to fall the thunder after discharging in surplus cable frame department, the high temperature that discharges and produce causes ADSS optical cable local over-temperature, leads to ADSS optical cable scaling loss. The relay protection equipment can be stopped after the ADSS optical cable is burnt, and large-scale power failure accidents are easily caused.
Disclosure of Invention
In view of the above, in order to prevent the ADSS optical cable from being damaged by high temperature when the OPGW optical cable is discharged by lightning strike and to facilitate the ADSS optical cable to be stored in the OPGW optical cable, the invention provides a non-conductor excess cable rack assembly with a lightning protection function, which comprises a joint box and two excess cable storage boxes, wherein the joint box and the two excess cable storage boxes are both fixed on a telegraph pole, and the OPGW optical cable and the ADSS optical cable extend out of the joint box; each surplus cable storage box comprises a fixed plate, a storage cover and a storage rotating shaft, wherein the storage cover is fixed on the fixed plate, the side wall of the storage cover is provided with a wire inlet, the storage rotating shaft is rotatably arranged in the storage cover, one end part of the storage rotating shaft penetrates through the storage box, and a limiting ring is fixed on the storage rotating shaft; the end parts of the OPGW optical cable and the ADSS optical cable are respectively limited on two limiting rings for containing the rotating shaft, and the OPGW optical cable and the ADSS optical cable are respectively wound on the two containing rotating shafts.
Furthermore, still be equipped with an earthing device on the OPGW optical cable, be equipped with a earth connection on the earthing device, earth connection one end is fixed in on the earthing device, the other end buries in the underground.
Furthermore, each fixed plate is provided with two band components, each band component comprises a cushion block, a locking bolt and two locking band portions, the cushion blocks are fixed on the fixed plate, the two locking band portions are connected with each other on the cushion blocks, the end portions of the two locking band portions are provided with locking threaded holes, and the locking bolt penetrates through the two locking threaded holes to fold and lock the end portions of the two locking band portions.
Furthermore, the middle parts of the cushion blocks are all sunken into circular arc shapes.
Further, the fixing plate is a circular plate, the storage cover is cylindrical, and the edge of the storage cover is fixed on the fixing plate through a screw.
Further, two it all is equipped with the rotation connecting rod to accomodate the pivot tip, two it is equipped with the twist grip to rotate the connecting rod tip.
Furthermore, the accommodating rotating shafts are provided with fastening nuts, and the two locking nuts are arranged on the two accommodating rotating shafts in a threaded connection mode.
Furthermore, a first accommodating hole is formed in the middle of the fixing plate, a second accommodating hole is formed in the accommodating cover, one end of the accommodating rotating shaft is rotatably limited in the first accommodating hole, and the other end of the accommodating rotating shaft penetrates through the second accommodating hole to extend to the outside of the accommodating cover.
Further, all be equipped with rolling bearing in first accommodation hole and the second accommodation hole, rolling bearing all overlap in accomodate the pivot.
The non-conductor residual cable bracket component with the lightning protection function has the beneficial effects that: the spare cable frame assembly can respectively contain redundant parts of the OPGW optical cable and the ADSS optical cable in two spare cable storage boxes, and the spare cable storage boxes can play a role in edge heat insulation, so that the ADSS optical cable can be prevented from being damaged by high temperature generated when the OPGW optical cable is struck by lightning and discharged; this surplus cable receiver accessible of surplus cable frame subassembly accomodates OPGW optical cable and ADSS optical cable in the rotatory mode of accomodating of pivot, and the optic fibre of accomodating is located surplus cable receiver, and surplus cable receiver is convenient to accomodating of optical cable, and the protectiveness is strong.
Drawings
Fig. 1 is an overall structure diagram of a non-conductor residual cable assembly with a lightning protection function according to the invention.
Fig. 2 is a schematic view of the internal structure of the excess cable storage box 3 in fig. 1.
Fig. 3 is a plan view of the internal structure of the excess cable storage box 3 in fig. 1.
Fig. 4 is a view of the excess cable storage box 3 in fig. 1 from direction a.
In the figure: 1-telegraph pole, 2-joint box, 3-surplus cable storage box, 31-fixing plate, 32-storage cover, 33-storage rotating shaft, 34-limiting ring, 35-rotating connecting rod, 36-rotating handle, 37-fastening nut, 38-wire inlet, 4-cushion block, 41-locking strap, 42-locking bolt and 5-rotating bearing.
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 further described with reference to the accompanying drawings.
Referring to fig. 1, the non-conductor spare cable assembly with lightning protection function of the present invention includes a connector box 2, a ground wire 24 and two spare cable storage boxes 3.
Splice box 2 and two surplus cable receivers 3 all are fixed in on wire pole 1, and the three sets up from top to bottom relatively, and wherein splice box 2 is located the top, extends two surplus optical cable wires on splice box 2, and two optical cable wires are OPGW optical cable 22 (compound optical fiber overhead ground wire) and ADSS optical cable 21 (all-dielectric self-supporting optic fibre) respectively, and two optical cables twine respectively and accomodate in two surplus cable receivers 3, still be equipped with an earthing ware 23 on the OPGW optical cable 22, earth connection 24 one end is connected on earthing ware 23, and earth connection 24 and OPGW optical cable 22 pass through earthing ware 23 and are connected and switch on, and the earth connection 24 other end extends to below ground to make OPGW optical cable 22 pass through earth connection 24 ground connection.
The two remaining cable storage boxes 3 are used for winding and storing optical cable wires, the two structures are the same, and the structure of one of the remaining cable storage boxes 3 is specifically described below as an example.
Referring to fig. 1 to 4, the storage box 3 for surplus cables includes a fixing plate 31, a storage cover 32 and a storage shaft 33, the fixing plate 31 is a circular plate, the fixing plate 31 has an insulating function and is made of an insulating material or has an outer surface coated with an insulating material, two strap assemblies are disposed on a back surface of the fixing plate 31, the fixing plate 31 is fixed on the utility pole 1 by the two strap assemblies, the storage cover 32 is cylindrical, one end of the storage cover 32 is open and is fastened to a front surface of the fixing plate 1, an opening edge of the storage cover 32 is fixed on the fixing plate 1 by a plurality of screws, a wire inlet 38 is disposed on a side surface of the storage cover 32, a first receiving hole is disposed in a middle portion of the fixing plate 21, a second receiving hole is disposed on the storage cover 32, the storage shaft 33 is disposed in the storage cover 3, and one end of the storage shaft 33 is rotatably retained in the first receiving hole, accomodate the pivot 33 other end and pass outside the second accommodation hole extends to accomodate lid 32, accomodate and be equipped with a plurality of spacing rings 34 on the pivot 33, all spacing rings 34 all are located accomodate the lid 32, accomodate pivot 33 and extend the end connection of accomodating lid 32 and rotate connecting rod 35, rotate connecting rod 35 tip and be equipped with turning handle 36, inlet 38 is used for making the optical cable wire stretch into accomodate in the lid 32, spacing ring 34 is used for the spacing fixed optical cable wire who stretches into in accomodating the lid 32, turning handle 36 is used for driving and accomodates pivot 33 and rotate to make the optical cable wire winding accomodate in accomodating on the pivot 33.
Furthermore, the outer wall of the end of the receiving shaft 33 extending out of the receiving cover 32 is provided with a fastening thread, and the end of the receiving shaft 33 is provided with a fastening nut 37, the fastening nut 37 is located between the rotating handle 36 and the receiving cover 32, and the distance between the fastening nut 37 and the receiving cover 32 can be adjusted by rotating the fastening nut 37, so that the fastening nut 37 is pressed on the receiving cover 32, and the receiving shaft 33 is locked by friction force after the optical cable conductor is received.
Further, all be equipped with rolling bearing 5 in first accommodation hole and the second accommodation hole, rolling bearing 5 all overlap in accomodate the pivot 33, rolling bearing 5 is used for reducing the resistance when rolling bearing 33 rotates.
Further, each strap subassembly includes cushion 4, locking bolt 42 and two locking straps 41, and cushion 4 is the rubber material, and 4 fixed connection in the fixed plate 31 backs of cushion, and two locking strap 41 tip are equipped with the locking screw hole, locking bolt 42 passes the locking screw hole of two locking strap 41 tip and folds two locking straps 41 and lock, and two locking straps 41 fold and embrace wire pole 1 to on the fixed wire pole 1 of the surplus cable receiver 3 at its place, 4 middle parts of cushion are sunken to arc, thereby cushion 4 can be inseparable laminating on wire pole 1.
The use process of the non-conductor residual cable rack component with the lightning protection function is as follows: two redundant optical cable leads extending from the joint box 2 respectively extend into the two redundant cable storage boxes 3, and the end parts of the two optical cable leads are respectively limited to be inserted into and limited on the limiting rings 34 on the two storage rotating shafts 33; two optical cable wires can be wound and stored in the two remaining cable storage boxes 3 by rotating the two storage rotating shafts 33; the ground 23 is attached to a portion of the OPGW optical cable 22 not accommodated in the extra cable accommodation box, one end of the ground wire 24 is attached to the ground 23, and the other end of the ground wire 24 is buried in the ground.
This surplus cable frame subassembly can be accomodate the surplus part of OPGW optical cable 22 and ADSS optical cable 21 respectively in two surplus cable receiver 3, and surplus cable receiver 3 can play the thermal-insulated effect of reason, and the high temperature that produces when can avoiding OPGW optical cable 22 to be struck by lightning discharges damages ADSS optical cable 21 like this.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1. The utility model provides a surplus cable rack subassembly of non-conductor with lightning protection function which characterized in that: comprises a joint box and two remaining cable storage boxes, wherein the joint box and the two remaining cable storage boxes are fixed on a telegraph pole,
an OPGW optical cable and an ADSS optical cable extend out of the joint box;
each surplus cable storage box comprises a fixed plate, a storage cover and a storage rotating shaft, wherein the storage cover is fixed on the fixed plate, the side wall of the storage cover is provided with a wire inlet, the storage rotating shaft is rotatably arranged in the storage cover, one end part of the storage rotating shaft penetrates through the storage box, and a limiting ring is fixed on the storage rotating shaft; the end parts of the OPGW optical cable and the ADSS optical cable are respectively limited on two limiting rings for containing the rotating shaft, and the OPGW optical cable and the ADSS optical cable are respectively wound on the two containing rotating shafts.
2. A non-conductive excess cable assembly with lightning protection according to claim 1, wherein: the OPGW optical cable is also provided with an earthing device, the earthing device is provided with an earthing wire, one end of the earthing wire is fixed on the earthing device, and the other end of the earthing wire is buried underground.
3. A non-conductive excess cable assembly with lightning protection according to claim 1, wherein: each be equipped with two strap subassemblies on the fixed plate, each strap subassembly includes cushion, locking bolt and two locking straps, the cushion is fixed in on the fixed plate, two locking straps all connect on the cushion, two locking strap tip all are equipped with the locking screw hole, locking bolt passes two locking screw hole closes up two locking straps and locks.
4. A non-conductive extra-cable assembly with lightning protection according to claim 3, wherein: the middle parts of the cushion blocks are all sunken into circular arc shapes.
5. A non-conductive excess cable assembly with lightning protection according to claim 1, wherein: the fixed plate is a circular plate, the storage cover is cylindrical, and the edge of the storage cover is fixed on the fixed plate through a screw.
6. A non-conductive excess cable assembly with lightning protection according to claim 1, wherein: two accomodate the pivot tip and all be equipped with the rotation connecting rod, two rotation connecting rod tip is equipped with the twist grip.
7. A non-conductive excess cable assembly with lightning protection according to claim 1, wherein: and the storage rotating shaft is provided with fastening nuts, and the two locking nuts are arranged on the two storage rotating shafts in a threaded connection mode.
8. A non-conductive excess cable assembly with lightning protection according to claim 1, wherein: the fixed plate middle part is equipped with first accommodation hole, accomodate and cover and be equipped with the second accommodation hole, accomodate pivot one end rotationally spacing in first accommodation hole, accomodate the pivot other end and pass the second accommodation hole extends to accomodate and cover out of the box.
9. A non-conductive excess cable assembly with lightning protection according to claim 8, wherein: and rotating bearings are arranged in the first accommodating hole and the second accommodating hole and are sleeved on the accommodating rotating shaft.
CN202111186154.0A 2021-10-12 2021-10-12 Non-conductor residual cable rack assembly with lightning protection function Pending CN114089491A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111186154.0A CN114089491A (en) 2021-10-12 2021-10-12 Non-conductor residual cable rack assembly with lightning protection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111186154.0A CN114089491A (en) 2021-10-12 2021-10-12 Non-conductor residual cable rack assembly with lightning protection function

Publications (1)

Publication Number Publication Date
CN114089491A true CN114089491A (en) 2022-02-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111186154.0A Pending CN114089491A (en) 2021-10-12 2021-10-12 Non-conductor residual cable rack assembly with lightning protection function

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CN (1) CN114089491A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201434927Y (en) * 2009-04-30 2010-03-31 安徽电力通信有限责任公司 Electric optical cable outdoor splice box
CN203365758U (en) * 2013-07-26 2013-12-25 江苏省电力公司南京供电公司 10KV power pole residual optical cable winding device
CN103928896A (en) * 2014-04-27 2014-07-16 国家电网公司 Method for preventing OPGW optical cable connected to substation structure from being broken by lightning strokes
CN206114996U (en) * 2016-10-25 2017-04-19 石家庄华能电力金具有限公司 Surplus cable frame of double -deck optical cable
CN108572423A (en) * 2018-07-17 2018-09-25 国网山西省电力公司忻州供电公司 Substation divides cable frame more than cable type OPGW
CN208707085U (en) * 2018-05-31 2019-04-05 国网江苏省电力有限公司盐城供电分公司 A kind of remaining cable coiling apparatus of six insulation cables fork
CN209102967U (en) * 2018-11-21 2019-07-12 北京网信通信息技术股份公司 A kind of Novel optical cable protecting box
CN110932103A (en) * 2019-12-09 2020-03-27 国网山东省电力公司泰安供电公司 System and method for fixing station optical cable in-station surplus cable and joint box
CN210775960U (en) * 2019-11-15 2020-06-16 国网新疆电力有限公司电力科学研究院 Double-layer rotatable angle-adjusting optical cable residual cable disc
CN213023682U (en) * 2020-07-28 2021-04-20 国网山东省电力公司滨州供电公司 OPGW optical cable lightning protection device on outer wall

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201434927Y (en) * 2009-04-30 2010-03-31 安徽电力通信有限责任公司 Electric optical cable outdoor splice box
CN203365758U (en) * 2013-07-26 2013-12-25 江苏省电力公司南京供电公司 10KV power pole residual optical cable winding device
CN103928896A (en) * 2014-04-27 2014-07-16 国家电网公司 Method for preventing OPGW optical cable connected to substation structure from being broken by lightning strokes
CN206114996U (en) * 2016-10-25 2017-04-19 石家庄华能电力金具有限公司 Surplus cable frame of double -deck optical cable
CN208707085U (en) * 2018-05-31 2019-04-05 国网江苏省电力有限公司盐城供电分公司 A kind of remaining cable coiling apparatus of six insulation cables fork
CN108572423A (en) * 2018-07-17 2018-09-25 国网山西省电力公司忻州供电公司 Substation divides cable frame more than cable type OPGW
CN209102967U (en) * 2018-11-21 2019-07-12 北京网信通信息技术股份公司 A kind of Novel optical cable protecting box
CN210775960U (en) * 2019-11-15 2020-06-16 国网新疆电力有限公司电力科学研究院 Double-layer rotatable angle-adjusting optical cable residual cable disc
CN110932103A (en) * 2019-12-09 2020-03-27 国网山东省电力公司泰安供电公司 System and method for fixing station optical cable in-station surplus cable and joint box
CN213023682U (en) * 2020-07-28 2021-04-20 国网山东省电力公司滨州供电公司 OPGW optical cable lightning protection device on outer wall

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Application publication date: 20220225