CN201229426Y - Optical fiber composite overhead ground wire optical cable coupling box - Google Patents
Optical fiber composite overhead ground wire optical cable coupling box Download PDFInfo
- Publication number
- CN201229426Y CN201229426Y CNU2008201312176U CN200820131217U CN201229426Y CN 201229426 Y CN201229426 Y CN 201229426Y CN U2008201312176 U CNU2008201312176 U CN U2008201312176U CN 200820131217 U CN200820131217 U CN 200820131217U CN 201229426 Y CN201229426 Y CN 201229426Y
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Abstract
The utility model relates to an optical cable joint box of an optical fiber compound overhead earth wire, which comprises a box cover, a base and an optical accommodating disc, wherein the optical accommodating disc is installed in the cavity which is formed by mutually connecting the box cover and the base, an optical fiber access hole and a mounting mechanism are arranged on the base, and an optical fiber sealing device is installed on the optical access hole. An elastic body sealing ring is arranged between the connecting surfaces of the box cover and the base, and the box cover and the base are tightly locked and sealed through adopting a box body coupling. The utility model has the advantages that the optical cable accessing hole adopts an elastic body screw cap sealing mode, which enables the sealing effect to be good. The stainless steel sleeve body and an aluminum alloy base are connected through the coupling mode, which enables the connecting to be more uniform and reliable. An optical storing disc and the optical accommodating disc can be installed in an offsetting mode or can be installed in the middle position. Cable access pipes can be installed on the front surface or the back surface, which satisfies the requirements better. The box cover is integrally formed through stretching the stainless steel, whose gas tightness is better than that through adopting aluminum alloy materials or the welding forming.
Description
Technical field
The utility model relates to a kind of cable splice closure, is a kind of cable splice closure that Optical Fiber composite overhead Ground Wire is installed that is applicable to.
Background technology
Optical fiber communication is widely used in the communication of power system because big, the transfer rate of its capacity is fast, good confidentiality, be not subject to advantage such as electromagnetic interference (EMI), plays an important role in requiring more and more higher communication of power system.
And Optical Fiber composite overhead Ground Wire (OPGW) is that optical fiber media is compounded in the aerial earth wire of transmission line of electricity, ground wire and communication function are united two into one, be a kind of high-tech product that rises late 1970s to the beginning of the eighties, move the technical products that has developed into comparative maturity over more than 20 year.Generally when electric power transmission line is built, build the OPGW communication port same period and do not need to establish in addition the corridor, space, classified the direction of technical development as; Replace original aerial earth wire when also having, generally adopt OPGW at ultra-high-tension power transmission line at present old track remodelling.
The Optical Fiber composite overhead Ground Wire cable splice closure is mainly used in connection and branch's protection of OPGW optical cable in the power communication system; generally select the built on stilts communications optical cable connector box of hat type of metal shell for use, performances such as favorable conductive ground connection, anti-electromagnetism are aging to reach, external force resistance damage and waterproof.
Existing fiber composite overhead ground wire cable splice closure adopts the method encapsulation turnover optical cable of in-site pouring liquid sealant mostly, not only operation is extremely inconvenient, optical cable turnover pipe also can't repeat to open, and connector box inside does not also store the device of reserving optical fiber, safeguards for dilatation in the future and brings inconvenience.In addition, lid adopts aluminium alloy or stainless steel material to be welded more, and by the mode of two screw in compressions of a steel band lid is pressed together on the base, the discontinuity when slit of welding and sealing, the capital reduces the sealing property of connector box, buries potential safety hazard to communication line.
Summary of the invention
The purpose of this utility model just provides a kind of Optical Fiber composite overhead Ground Wire cable splice closure, to solve relatively poor, inconvenient, the not high and unhandy problem of intensity of dilatation maintenance of dismounting inconvenience, sealing property that prior art exists.
For achieving the above object, the utility model is taked following technical scheme: comprise lid, base and optical fiber storing tray, interconnect at this lid and base the optical fiber storing tray is housed in the cavity that is constituted, on described base, be provided with optical cable manhole appendix and installing mechanism, on this optical cable manhole appendix, cable sealing device is housed, it is characterized in that: between the joint face of described lid and base, be provided with the elastomeric seal circle, and adopt the box body anchor ear with lock sealing between this lid and the base, this box body anchor ear is made of by the bearing pin of an end is hinged two semicircular parts, is provided with retention mechanism between the other end of this box body anchor ear; The inboard of this box body anchor ear is a trapezoidal groove, and it is convenient especially to install, and sealing property is very reliable.
Optical cable manhole appendix on the described base is provided with a plurality of, is provided with the internal thread that is used to connect cable sealing device in this optical cable manhole appendix.
Described cable sealing device comprises optical cable turnover pipe, plastic cap nut, plastic washer or gasket seal, elastomeric seal circle, and the two ends of optical cable turnover pipe are equipped with external thread, are provided with outward flange between the external thread at these two ends; External thread at these optical cable turnover pipe two ends is spirally connected with described optical cable manhole appendix and plastic cap nut respectively, and the end to plastic cap nut in the hole of this optical cable turnover pipe is provided with elastomeric seal circle and plastic washer or gasket seal successively; The outer end diameter of described elastomeric seal circle is used the circular conical surface transition greater than other parts between the different-diameter; Described plastic cap nut, plastic washer and elastomeric seal circle are equipped with axle center hole, described gasket seal atresia; Described optical cable turnover pipe is connected the inner or the outer end of this optical cable manhole appendix.At the back side of described optical fiber storing tray the fiber optic storage dish is housed, this optical fiber storing tray and fiber optic storage dish are fixed on the middle part of described base by support or depart from the position at middle part.
Be provided with into cable pressing plate in described base outer end, describedly advance the cable pressing plate and connect to form by bolt by movable pressing board and fixation clip, this fixation clip and described base are connected as a single entity, between this movable pressing board and fixation clip, be provided with groove for the turnover optical cable, and constituting through hole by this groove, the position of this through hole is corresponding with described optical cable manhole appendix.
In the groove of described movable pressing board and fixation clip, be provided with the stainless steel gasket of identical arc.
Described installing mechanism comprises erecting frame connector and S shape iron tower erecting frame, and the erecting frame connector is connected with described base, fixedlys connected with an end of S shape iron tower erecting frame by set bolt in the outside of this erecting frame connector.
Described installing mechanism comprises erecting frame connector, cross-arm and U type anchor ear, the erecting frame connector is connected with described base, the outside at this erecting frame connector is provided with mounting hole, be provided with cross-arm outside this mounting hole, the two ends of U type anchor ear are passed the through hole on the cross-arm and are fixed in the described mounting hole.
Described lid adopts the stainless steel material of integrally stretching moulding to make, and described base, advances the cable pressing plate and the box body anchor ear all adopts the aluminium alloy of die casting to make.
The utility model has the advantages that:
1, adopts the anchor ear mode to connect stainless steel cylinder and aluminium alloy base, change the mode of in the past leaning on two screw in compressions of a steel band, connect more even more reliable.
2, fiber optic storage dish and optical fiber storing tray can be setovered and be installed or the centre position installation.
3, the optical cable manhole appendix adopts elastic body nut sealing means, good sealing effect.
4, optical cable turnover pipe can be installed on positive and negative two sides, satisfies request for utilization better.
5, increased the optical cable storage disks, when user demand, can carry out dilatation to circuit by the passive light derived channel equipment.
6, lid adopts stainless steel integrated drawing and forming, and better than the stainless steel lid impermeability that adopts aluminum alloy materials or welding fabrication, physical strength is higher.
7, the erecting frame connector is connected with base, and the independent fit sealing of cable sealing device is not contacted directly with the erecting frame connector, and both are independent of each other.
Description of drawings
Fig. 1 is the front view of the utility model general structure;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the sectional view of the utility model box body anchor ear;
Fig. 4 a is the utility model anchor ear locking mechanism synoptic diagram (the C-C cut-open view of Fig. 3);
Fig. 5 is the structural representation (optical cable turnover pipe has only been represented in the upper end, lower end be overall exploded) of the cable sealing device of the utility model top and bottom of being installed in the optical cable manhole appendix on the base;
Fig. 6 is the front view of the plastic spacer of the utility model cable sealing device;
Fig. 7 is the vertical view of Fig. 6;
Fig. 8 is the synoptic diagram of the utility model box body elastomeric seal circle;
Fig. 9 is the fine synoptic diagram of optical fiber storing tray dish of the present utility model;
Figure 10 is a fiber optic storage dish front view of the present utility model;
Figure 11 is the B-B cut-open view of Fig. 8;
Figure 12 is the rear view of Fig. 8;
Figure 13 is the front view of the utility model stainless steel gasket;
Figure 14 is the upward view of Figure 13;
Figure 15 is the front view that advances the cable pressing plate of the present utility model;
Figure 16 is the vertical view (broken section) of Figure 15;
Figure 17 is a pole installing mechanism synoptic diagram of the present utility model;
Figure 18 is an iron tower angle bar installing mechanism synoptic diagram of the present utility model.
Embodiment
Referring to Fig. 1～Figure 18, the utility model comprises lid 1, base 2, box body anchor ear 3, optical fiber storing tray 11 and fiber optic storage dish 12, interconnect at this lid 1 and base 2 optical fiber storing tray 11 and fiber optic storage dish 12 are housed in the cavity that is constituted, on described base 2, be provided with optical cable manhole appendix 10 and installing mechanism, cable sealing device 8 be housed in the upper end or the lower end of this optical cable manhole appendix 10.Between the joint face of described lid 1 and base 2, be provided with elastomeric seal circle 7, and adopt box body anchor ear 3 lock sealing between this lid 1 and the base 2.At the back side of described optical fiber storing tray 11 fiber optic storage dish 12 is housed, this optical fiber storing tray 11 and fiber optic storage dish 12 are fixed on the middle part of described base 2 by support 13 or depart from the position at middle part, can determine the installation site of support 13 according to the quantity of turnover optical cable.Described box body anchor ear 3 constitutes by the bearing pin 17 of two semicircular parts by an end is hinged, and the inboard of this box body anchor ear 3 is a trapezoidal groove 34.Be provided with retention mechanism between the other end of 3 two semicircular parts of this box body anchor ear, an embodiment (referring to Fig. 1,3,4a) of this retention mechanism comprises recess 31, lock pin 181, screw 182 and the nut 18 that is located at the same end of this box body anchor ear, lock pin 181 passes the through hole that is located on the recess 183, and two ends are provided with outward flange.One end of screw 182 passes recess 183 and is connected with the middle part of lock pin 181, and the other end of screw 182 is connected with nut 18.The advantage of this retention mechanism is in clamp nut 18 processes, and screw 182 is the axle center with lock pin 181, along with the variation of the angle of 3 two semicircular parts of box body anchor ear and change, thus fully that box body anchor ear 3 is fastening, guarantee its sealing.
Optical cable manhole appendix 10 on the described base 2 is provided with a plurality of, is provided with the internal thread that is used to connect cable sealing device 8 in this optical cable manhole appendix 10.
Described cable sealing device 8 comprises optical cable turnover pipe 81, plastic cap nut 84, plastic washer 83 and elastomeric seal circle 82, and the two ends of optical cable turnover pipe 81 are equipped with external thread, are provided with outward flange 85 between the external thread at these two ends.External thread at these optical cable turnover pipe 81 two ends is spirally connected with described optical cable manhole appendix 10 and plastic cap nut 84 respectively, and the end to plastic cap nut 84 in the hole of this optical cable turnover pipe 81 is provided with elastomeric seal circle 82 and plastic washer 83 successively.The outer end of described elastomeric seal circle 82 (being lower end shown in Figure 5) diameter is used the circular conical surface transition greater than the upper end between the different-diameter.Described plastic cap nut 84, plastic washer 83 and elastomeric seal circle 82 are equipped with the optical cable turnover and manage 81 supporting axle center holes; Described optical cable turnover pipe 81 can be connected the inner of this optical cable manhole appendix 10 or outer end (this inner or outer end are for the cavity that constitutes with respect to lid 1 and base 2 inside and outside, down with), so that satisfy user's request for utilization better.
Be provided with into cable pressing plate in the outer end of described base 2, describedly advance the cable pressing plate and connect to form by bolt by movable pressing board 4 and fixation clip 31, this fixation clip 31 is connected as a single entity with the outer end of described base, between this movable pressing board 4 and fixation clip 31, be provided with groove 41 (referring to Figure 16) for the turnover optical cable, and constituting through hole by this groove, the position of this through hole is corresponding with described optical cable manhole appendix 10.On movable pressing board 4 and fixation clip 31, be provided with and be used for fastening through hole 42 mutually.
During construction,, then optical cable directly can be penetrated into corresponding through hole center platen and housing screw 43 fastening optical cables on the cable pressing plate if the OPGW cable outer diameter is enough big; If the OPGW cable outer diameter is less, can penetrate optical cable earlier, the semicircle stainless steel gasket 32 (referring to Figure 13 and Figure 14) of a slice is inserted in the gap on optical cable again, and locking housing screw 43 compresses stainless steel gasket and optical cable.
Described installing mechanism comprises erecting frame connector 5 and S shape iron tower erecting frame 6, and erecting frame connector 5 is connected with the outer end of described base 2, fixedlys connected with an end of S shape iron tower erecting frame 6 by set bolt in the outside of this erecting frame connector 5.This installing mechanism is used for the utility model is installed in the angle bar of iron tower.
Another structure of described installing mechanism (referring to Figure 17) comprises erecting frame connector 5, cross-arm 29 and U type anchor ear 26, erecting frame connector 5 is connected with the outer end of described base 2, be provided with two mounting holes 30 (referring to Fig. 1) in the outside of this erecting frame connector 5, be provided with cross-arm 29 outside this mounting hole 30, the two ends of U type anchor ear 26 are passed the through hole on the cross-arm 29 and are fixed in the described mounting hole 30.This installing mechanism is used for the utility model is installed online bar 27.
The utility model is when using installation, can be as required optical cable turnover pipe 81 be contained on the optical cable manhole appendix 10 of base 2 upper ends or appropriate location, lower end, optical fiber and transition flexible pipe that OPGW optical cable 33 is opened after the stripping penetrate optical cable turnover pipe 81, elastomeric seal circle 82, plastic washer 83 (internal diameter matches with the transition hose diameter), plastic cap nut 84 successively.It is fastening to advance cable pressing plate 4 earlier, and the housing screw 43 that will advance again on the cable pressing plate is tightened so that compress optical cable 33 (referring to Figure 15 and Figure 18).Elastomeric seal circle 82 is pressed into optical cable turnover pipe 81, and packing ring 83 is pressed on the elastomeric seal circle 82, screw plastic cap nut 84 and can guarantee the optical cable sealing.Under the pressure effect when screwing plastic cap nut 84, there are elastomeric seal circle 82 internal diameters of tapering can be retracted to minimum size automatically, thereby hold optical cable tightly, play sealing function reliably and with long-term.Not only simplify installation process, saved engineering time and cost, can also repeat to open, solved the difficult problem that dilatation is safeguarded.
Temporarily do not needing to install on the base optical cable manhole appendix 10 of optical cable, optical cable turnover pipe 81, elastomeric seal circle 82, plastic spacer 86 (as shown in Figure 6 and Figure 7) and plastic cap nut 84 then are being installed, can play sealing function optical cable manhole appendix 10.
Can coil after the optical fiber 19 of connector box inside (pencil or the band shape) welding and leave on the clamp pin 25 that several in the optical fiber storing tray 11 are circle distribution (referring to Fig. 7); be provided with the pickup groove (pencil or band shape) 21 of fibre-optical splice protection heat-shrink tube 20 at the middle part; at the leading-in end of optical fiber 19, the optical fiber 24 usefulness bands 23 of band sheath are fixed on the optical fiber storing tray 11.All be furnished with fiber optic protection cover plate (prior art) on each optical fiber storing tray 11 the dish inner fiber is protected, then link to each other between the optical fiber storing tray 11 by the storing tray clasp.
Then can coil if any reserving the band jacket fiber into optical fiber storage disks 12.Optical fiber storing tray 11 and fiber optic storage dish 12 are installed in as required by support 3 on the appropriate location of base 2 upper ends (centre position or offset position).
During the sealing adaptor box, with box body O-ring seal 7 smooth being positioned between lid 1 and the base 2, lid 1 being aimed at joint close be inserted in connector box base 2, it is middle with base 2 again aluminium alloy box body anchor ear 3 to be installed in connector box lid 1.Box body anchor ear 3 is connected and composed by the bearing pin 17 of two semicircular parts by an end, tighten the gib screw 18 of box body anchor ear 3 other ends, with two semicircular part pressings that separate, rely on two relative inclined-planes, 34 effects of the inboard trapezoidal groove of anchor ear to get final product auto lock lid 1 and base 2, box body is stressed evenly, and sealing property is reliable.
When pole is installed (referring to Figure 17), earlier erecting frame connector 5 is fastened on the connector box base 2, again cross-arm 29 is fastened on the erecting frame connector 5 by mounting hole 30, selects suitable pole metal U type anchor ear 26, on the position that the fixing online bar of connector box 27 is suitable.
When on the angle bar of iron tower, installing (referring to Fig. 2 and Figure 18), earlier erecting frame connector 5 is fastened on the connector box base 2, again an end of S sections tower erecting frame 6 is linked to each other with erecting frame connector 5 by set bolt 14, the other end of S shape iron tower erecting frame 6 is fastened on the appropriate location of iron tower angle bar by stainless steel bolt 15.
The utility model is used for difference and the connection of optical cable in the OPGW, its main external structure part by High-quality stainless steel and good corrosion stability aluminium alloy are made, and have in light weightly, and the advantage that intensity is high can adapt to outside the evil Bad climatic environment, and the thunder-strike current of effectively releasing, the protection internal optical fiber is without prejudice. Adopt the anchor ear mode to connect Connect stainless steel lid and aluminum alloy base, changed the sealing means that in the past leans on two screw in compressions of a steel band, close Seal more even more reliable. The optical cable inlet/outlet pipe can be installed optical cable in upper end or the lower end of base as required, and passes through Adopt the screw cap rotating impacted sealing ring automatically to hold the connector box sealing device encapsulation optical cable of optical cable tightly, easy for installation fast Victory, sealing property is reliable, and can repeat to open and use. But the fiber optic storage dish storage disks of setting up is around reserving optical fiber, When user demand is arranged, can carry out dilatation to circuit by the passive light derived channel equipment. Lid is stainless steel integrated stretching Make, corrosion-resistant and sealing property is good, can be used for uses that continue of optical cable straight joint and big capacity difference, and Effect to the protection fiber cable joint. Can be installed on the angle bar of different parts, different angles of iron tower, install and fix Firm; Bar adopts the metal anchor ear to fix with installing, and is easy to operate, can adapt to different bar footpaths, the peace of diverse location Dress.
Claims (10)
1, a kind of Optical Fiber composite overhead Ground Wire cable splice closure, comprise lid, base and optical fiber storing tray, interconnect at this lid and base the optical fiber storing tray is housed in the cavity that is constituted, on described base, be provided with optical cable manhole appendix and installing mechanism, on this optical cable manhole appendix, cable sealing device is housed, it is characterized in that: between the joint face of described lid and base, be provided with the elastomeric seal circle, and adopt the box body anchor ear with lock sealing between this lid and the base, this box body anchor ear is made of by the bearing pin of an end is hinged two semicircular parts, is provided with retention mechanism between the other end of this box body anchor ear; The inboard of this box body anchor ear is a trapezoidal groove.
2, Optical Fiber composite overhead Ground Wire cable splice closure according to claim 1 is characterized in that: the optical cable manhole appendix on the described base is provided with a plurality of, is provided with the internal thread that is used to connect cable sealing device in this optical cable manhole appendix.
3, Optical Fiber composite overhead Ground Wire cable splice closure according to claim 2, it is characterized in that: described cable sealing device comprises optical cable turnover pipe, plastic cap nut, plastic washer or gasket seal, elastomeric seal circle, the two ends of optical cable turnover pipe are equipped with external thread, are provided with outward flange between the external thread at these two ends; External thread at these optical cable turnover pipe two ends is spirally connected with described optical cable manhole appendix and plastic cap nut respectively, and the end to plastic cap nut in the hole of this optical cable turnover pipe is provided with elastomeric seal circle and plastic washer or gasket seal successively; The outer end diameter of described elastomeric seal circle is used the circular conical surface transition greater than other parts between the different-diameter; Described plastic cap nut, plastic washer and elastomeric seal circle are equipped with axle center hole, described gasket seal atresia; Described optical cable turnover pipe is connected the inner or the outer end of this optical cable manhole appendix.
4, Optical Fiber composite overhead Ground Wire cable splice closure according to claim 1, it is characterized in that: at the back side of described optical fiber storing tray the fiber optic storage dish is housed, this optical fiber storing tray and fiber optic storage dish are fixed on the middle part of described base by support or depart from the position at middle part.
5, Optical Fiber composite overhead Ground Wire cable splice closure according to claim 1 is characterized in that:
Described base outer end is provided with into cable pressing plate, describedly advance the cable pressing plate and connect to form by bolt by movable pressing board and fixation clip, this fixation clip and described base are connected as a single entity, between this movable pressing board and fixation clip, be provided with groove for the turnover optical cable, and constituting through hole by this groove, the position of this through hole is corresponding with described optical cable manhole appendix.
6, Optical Fiber composite overhead Ground Wire cable splice closure according to claim 5 is characterized in that: be provided with the stainless steel gasket of identical arc in the groove of described movable pressing board and fixation clip, be used for fixing the minor diameter optical cable.
7, Optical Fiber composite overhead Ground Wire cable splice closure according to claim 1, it is characterized in that: described installing mechanism comprises erecting frame connector and S shape iron tower erecting frame, the erecting frame connector is connected with described base, fixedlys connected with an end of S shape iron tower erecting frame by set bolt in the outside of this erecting frame connector.
8, Optical Fiber composite overhead Ground Wire cable splice closure according to claim 1, it is characterized in that: described installing mechanism comprises erecting frame connector, cross-arm and U type anchor ear, the erecting frame connector is connected with described base, the outside at this erecting frame connector is provided with mounting hole, be provided with cross-arm outside this mounting hole, the two ends of U type anchor ear are passed the through hole on the cross-arm and are fixed in the described mounting hole.
9, Optical Fiber composite overhead Ground Wire cable splice closure according to claim 1 is characterized in that: described lid adopts the stainless steel material of integrally stretching moulding to make, and described base, advances the cable pressing plate and the box body anchor ear all adopts the aluminium alloy of die casting to make.
10, Optical Fiber composite overhead Ground Wire cable splice closure according to claim 1, it is characterized in that: the retention mechanism of described box body anchor ear comprises recess, lock pin, the screw and nut that is located at the same end of this box body anchor ear, lock pin passes the through hole that is located on the recess, one end of screw passes recess and is connected with lock pin, and the other end of screw is connected with nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201312176U CN201229426Y (en) | 2008-07-23 | 2008-07-23 | Optical fiber composite overhead ground wire optical cable coupling box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201312176U CN201229426Y (en) | 2008-07-23 | 2008-07-23 | Optical fiber composite overhead ground wire optical cable coupling box |
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| CN201229426Y true CN201229426Y (en) | 2009-04-29 |
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| CNU2008201312176U Expired - Lifetime CN201229426Y (en) | 2008-07-23 | 2008-07-23 | Optical fiber composite overhead ground wire optical cable coupling box |
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| CN102033279A (en) * | 2010-12-20 | 2011-04-27 | 江东金具设备有限公司 | Optical fiber composite aerial earth wire (OPGW) energy-saving joint box |
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