Splitter clutch to perform the branches of the low-frequency conductive wires from the combined copper and optical cable with the transit passage of optical fibers and a high-frequency conductive copper conductors
The invention relates to underground pipelines and combined copper and optical cable and is designed to carry low-frequency branches conductive wires from the combined cable on his uncut construction length with additional low-frequency communication cable with copper conductors. The technical result of the invention is to expand the functionality of the device and increasing the mechanical strength of the coupling with its underground laying. The clutch contains made of paronite split housing and located in the housing clusters of low-frequency conductive copper conductors in insulated plastic sleeves in the housing on alumina-PE sheath cable branches off from the low-frequency conductive cores and alumina-PE shell input and output sections of the combined communication cable connectors have been installed, connected to each other by at least one copper wire or tires aluminum sheet preferably a thickness of 2.5 mm, and in the case on top of clusters of conductive wires, optical fibers, conductive copper conductors and sites of alumina-PE membranes cable is p>The invention relates to underground pipelines and combined copper and optical cable and is intended for execution branches at least part of the low-frequency conductive wires from the combined cable on his uncut construction length with additional low-frequency communication cable with copper conductors with the provision of transit passage of optical fibers and a high-frequency conductive wires combo cable.Design of combined communication cables for aerial installation (hanging on poles) and for underground pipelines are designed and manufactured with the purpose of obtaining economic benefit from the replacement of three cables: fiber optic cable, high frequency communication cable with copper conductors with a diameter of 1.05 mm and a low-frequency communication cable with copper conductors with a diameter of 0.7 mmThe connection construction of the combined lengths of the cables, manufactured length 1200 m, running clutch connection as insulated copper conductors and performing splices optical fiber (S) optical section of a combined cable.A device for splicing the combined aerial cables with copper current is elocon and clusters of conductive wires.A disadvantage of this device is the inability to branch conductive wires and insufficient mechanical strength when laying coupling in the earth.Famous fan clutch for conductive cables , providing the separation of the conductive wires on the two channels.Known y coupling for fiber optic cable , , designed for the branching of the optical fibers and transit passing through the other optical fiber, comprising a housing in which are located the splices of optical fibers and means for fixing optical fibers to the body.However, when the operation of existing lines, it is often necessary in the execution of branches in some place in the building length (for example, in the mid-1200 m) of the combined cable and, most of all, you need to perform an offshoot of only low-frequency communication cable with copper conductors without cutting the optical segment (optical fibers) and without opening the high-frequency cores (four) combined cable.The invention aims to expand the functionality of the device by providing opportunities branches of low-frequency conductive wires from kombinacijata copper conductors, as well as increasing the mechanical strength of the coupling with its underground laying.This technical result is achieved by the fact that y coupling for combined cable connection with the performance of the branches at least part of the low-frequency conductive copper conductors and transit passage of optical fibers and a high-frequency conductive contains copper conductors made of lead body with soldered longitudinal seam and located in the housing clusters of low-frequency conductive copper conductors in insulated plastic sleeves, with aluminum sheath cable branches off from the low-frequency conductive wires and aluminum shell combo cable connection on the plots located at the ends of the housing, tin-plated, this tin parts aluminum shells cables soldered to the ends of the housing to provide electrical contact between the aluminum shell of the combined cable and aluminum sheath cable branches off, when the recovery of a polyethylene cable jacket on top of their aluminum casings made by winding body and the adjacent aluminum shells cables mastic tape is suggesting to him the parts of the cables are in heat-shrink cuff on which the protective coating of the moisture curing of the bandage.In the particular case of complete coupling the protective coating from moisture curing bandage is made with 50% overlapping of the bandage in two layers.When using cables with bronepaketom electrical contact between bronepaketom cables made in the form of the outer shell insulated copper wire, soldered to the tinned areas of steel tapes bronepaketom cables, and the joint sealed by winding mastic tape and PVC tape onto the outer plastic sheath of the cable and the housing and adjacent parts of the cables are in cast-iron sleeve with a gap filled with self-curing polyurethane sealant.The second option is specified technical result is achieved by the fact that y coupling for combined cable connection with the performance of the branches at least part of the low-frequency conductive copper conductors and transit passage of optical fibers and a high-frequency conductive contains copper conductors made of insulating material, for example, paronite, split housing and located in the housing clusters of low-frequency toblock branches off cable with conductive low-frequency conductors and alumina-PE shell input and output sections of the combined communication cable connectors have been installed, connected to each other by at least one copper wire or tires aluminum sheet preferably a thickness of 2.5 mm, and in the case on top of clusters of conductive wires, optical fibers, conductive copper conductors and sites of alumina-PE membranes cables with connectors made winding of aluminum foil, and the housing and adjacent parts of the cables are in heat-shrink cuff, on which the protective coating from moisture curing bandage or cast-iron sleeve with a gap filled with self-curing polyurethane sealant.The protective coating from moisture curing bandage preferably made with 50% overlapping of the bandage in two layers.The invention is illustrated in Fig. 1-13.In Fig.1 and 7 presents cutting, respectively, of a combined cable with aluminum outer shell and a polyethylene tube (sheath) and the combined armoured cable with aluminium shell.In Fig.2 and 8 show the connection of low-frequency lived main combo cable with pairs of branches off of the cable and shows the transit passage uncut high-frequency copper conductors and optical fibers in the module the ski contact the joined ends of the aluminum shell by hot soldering longitudinally slotted lead body and implementation of longitudinal sealing the sections of the outer plastic shell (hose).In Fig.4, 10 and 11 shows the recovery of the insulating cover of a lead body by winding and winding the exposed areas of the aluminum shell mastic MG 14-16 and PVC insulating tape.In Fig. 5 shows the installation of the “not filled” shrink cuff type XAGA slvp sleeves with an attachment clamp type BOCL.In Fig. 6 shows the protection of the mounted body by winding it lagouvardos bandage, such as Amaplast”.In Fig. 12 shows a coupling in which the restoration of the integrity of the screen is made using the on-screen aluminum busbars and connectors.In Fig. 13 shows an isolated ribbons mortise clutch combined armored cable, installed in a cast iron protective sleeve.Mortise splitter coupler with one input and two outputs (in two directions) is mounted on the combined cable design which can be different, and this cable is the main cable 1, in which the clutch is the removal of at least part of the low-frequency conductive wires using otetsudai cable 2 with low-frequency electric conductors. Both cables 1 and 2 have outer plastic hose 3, which, depending on the type Artemis is whether ponpoko 5 cable.Before mounting the fan clutch is cutting the main cable 1 with the opening of the core 6 of the cable and the preparation of at least part of the low-frequency conductive wires 7 to their bonding with the conductors 8 branches off of the cable 2.Y coupling, performed on the main armored combined cable 1 with aluminum shell 4 and the standard core, including fiber optic, high-frequency fours with copper conductors with a diameter of 1.05 mm, the low-frequency pair 7 copper conductors with a diameter of 0.7 mm, contains: transit passes in the clutch (without cutting) of the optical fiber and high-frequency four 6 copper conductors with a diameter of 1.05 mm, branches off the cable 2, insulated copper wires 8 which are connected, for example, by twisting with cut copper conductors of low-frequency pairs of the main cable and insulated plastic sleeves 9 (splices copper conductors), the aluminium shell 4 restored by longitudinally cutting the lead body 10 with the longitudinal sealed seam 11, which at its ends 12 soldered to the bare and pre-tin the ends of the aluminum shells 1 and 4 of the main branches off 2 cables. On the sealed housing 10 is made of insulating contact between bronepaketom cable 1 at its input and output and branches off cable 2 restored using serial soldering to the pre-tinned steel tapes buenaobra 5 cables 1 cable 1 soldering is performed on the sites located near each end of the body 10) and 2 copper insulated wire 14 cross-section of 4 mm2moreover , the solder joints are isolated (sealed) adhesive insulating tapes MG 14-16 and PVC tape 13 into the outer plastic sheath of the cables. For the purpose of protection from mechanical damage-mounted and stand-alone tape 13 lead body 10 is installed in a protective cast iron casing 16, with the space between the outer surface of lead body 10 and the inner surface of the protective casing 16 is filled sootvetvuyuschim polyurethane sealant 17.When the fan clutch is made on the combined cable 1 without armor, i.e. on the cable with aluminum shell 4 and the outer plastic hose 3, then in this case she, along with transit passes high-frequency quadruples copper conductors 6, the optical fibers in the optical modules of the segment 6 and clusters of low-frequency copper conductors 9 with a threaded branches off of the cable 2, contains soldered to tin the ends of the aluminum sheath of the lead body 10 with an insulating cover 13 of the tapes MG 14-16 and PVC tapes, located on the housing 10 and the adjacent sections of the cables 1 and 2 heat-shrinkable sleeve 18, for example, is between the outer shells of the combined cable 1 and otetsudai cable 2, protective coating vlagootvedeniem bandage 20, for example, Armorplast performed on the heat-shrinkable cuff 18.In another embodiment of the invention, when the coupling is made on the combined cable 1 without reservation and without aluminum shell, but only with alumina-PE sheath 21, the restoration of the electrical integrity of the screen (i.e., alumina-PE membranes) made by the installation of alumina-PE membranes cables connectors of the screen 22, to which is attached a screen wire 23 via at least one bus 24 connecting the alumina-PE sheath combo cable 1 on the inlet and outlet, and at least one jumper 25 connecting alumina-PE sheath of the cables 1 and 2 at the output. Bus and jumper made of sheet aluminum of a thickness of preferably 2.5 mm restoration of the protective properties of the screen in the clutch made from aluminum foil by wrapping the foil splice any thickness, but with a total thickness of the restored screen not less than 0.2 mm with overlapping connectors screen 20 mm on both sides of the cluster (figures not shown). On top of the reduced screen installed longitudinally split housing made of paronite, for example, with Wireshark not shown). On the housing is a heat-shrinkable sleeve 18. To give the clutch a higher mechanical strength on the cuff 18 is made protective coating of moisture curing bandage 20, for example, Armorplast or Armorcast.Sources of information1. US 5727100, CL G 02 B 6/26, publ. 10.03. 1998.2. WO 99/21259, CL H 02 G 15/184, publ. 29.04.1999.3. US 5121458, CL G 02 B6/26, publ. 09.06.1992.4. US 5121458, CL G 02 In 6/36, publ. 09.06.1992.
Claims1. Y coupling for combined cable connection with the performance of the branches at least part of the low-frequency conductive copper conductors and transit passage of optical fibers and a high-frequency conductive copper conductors containing insulated split housing and located in the housing clusters of low-frequency conductive copper conductors in insulated plastic sleeves in the housing on alumina-PE sheath, at the same time which branches off screen cable with conductive low-frequency cores, and alumina-PE shell input and output sections of the combined communication cable connectors have been installed screens, connected to each other by at least one IU the e on top of clusters of conductive wires, optical fibers, conductive copper conductors and sites of alumina-PE membranes cables with connectors screens are made winding through aluminum foil, restoring the screen, casing and adjacent parts of the cables are in heat-shrink cuff, on which the protective coating from moisture curing bandage or cast-iron sleeve with a gap filled with self-curing polyurethane sealant.2. Y coupler under item 1, characterized in that the thickness of the winding of the aluminum foil is not less than 0.2 mm3. Y coupler under item 1 or 2, characterized in that the plug body is made of paronite.
FIELD: repairs of communication line cables laid in soils of all kinds in cable conduits, manifolds, and tunnels.
SUBSTANCE: proposed method includes installation of split lead bushing on aluminum sheath of each cable followed by shifting both bushings along cables away from spliced joint of cable conductors, running exposed sections of aluminum sheath over with tin, fitting bushings back in place, and soldering them to tinned sections of aluminum sheath; at the same time longitudinal seam on bushings is soldered, ends of bushings are sealed by thermosetting tape, junction box is installed above spliced joint, and its butt-ends are soldered to bushings. In order to repair outer shielding hose, junction box and adjacent cable sections are covered with sealing compound and moist-cured bandage.
EFFECT: improved repair quality, enhanced service life of junction box due to elimination of electrochemical corrosion.
3 cl, 1 dwg
FIELD: flexible coatings and method for cable splice sealing.
SUBSTANCE: flexible coating for sealing cable splice without external heating has gel layer and supporting layer; its flexibility is sufficient to enable manually making gathers around cable-to-splice transition sections of smaller size in case there is gel at this transition for packing resulting seal. Supporting layer preferably made of low-density polyethylene ensures mechanical strength and facilitates coating procedure. Evaporation preventing layer preferably made of aluminum may be applied to supporting layer. Protective layer may be applied to evaporation preventing layer. Adhesion reducing material may be used at least on one end of gel layer facing supporting layer to provide for regulating coating placed on cable splicing sections. Flexible or rubber band may be wound on applied coating for gel compression.
EFFECT: provision for reusing seal obtained; enhanced sealing length.
38 cl, 19 dwg
FIELD: devices for formation of electrical connections in vehicles; the repair kit is designated for repair of a failed electrical device of a vehicle connected to the vehicle electrical equipment system by several wires.
SUBSTANCE: the repair kit has a new electrical device installed instead of the failed one, several wires connected to the new electrical device and a built-up protective box designated for protection of the electrical connection made by joining of the wires of the new electrical device and the wires of the vehicle electrical equipment system. The built-up protective box has a body with several holes insulated from one another. The packing rings positioned in each hole of the body intended for arrangement of the new electrical device section of the connected respective wire of the vehicle electrical equipment system and the respective new electrical device form in fact a waterproof packing around the section of the wires connected to one another by joining. The protective built-up box has also a cover joined to the body. The claimed repair kit is preferably designated for replacement of the sensor of the content of oxygen in exhausted gases failed on the vehicle.
EFFECT: simplified aftersale servicing of the vehicle.
9 cl, 8 dwg
FIELD: electrical engineering.
SUBSTANCE: proposed water-and-gas-tight stuffing box designed for terminating ends of communication cable line, including plastic-sheathed telephone cables with polyethylene insulated conductors, in capacity of 100 to 600 pairs directly in switchgear cabinet on vertically mounted cables which can be or not held at gage pressure and with water-repelling material filled core has shield connector secured on aluminized polyethylene cable sheath in contact with conical surface of through hole at input end of body; plastic cable sheath is filled within stuffing box with cold-cured polyurethane sealing compound; each conductor is covered with plastic insulating layer throughout its entire length.
EFFECT: simplified design, enhanced reliability of cable box.
1 cl, 7 dwg
FIELD: electrical connector and method for connecting coaxial cable lead to terminal.
SUBSTANCE: proposed connector has nut incorporating receiving port for connection to terminal. Nut also has circular clip. Connector also has base member one of whose ends is provided with projection to be inserted through clip hole. Other end of base member incorporates part of inner surface. Connector also has support with flange and body. Support is free to move for compressing external cable conductor and shell with support body and part of inner surface to obtain distal compression. Tightening nut with terminal compresses projection between support flange and circular clip to obtain proximal tightness.
EFFECT: enhanced tightness, reduced manufacturing and maintenance charges.
10 cl, 11 dwg
FIELD: cable connectors for power transfer between power supply and borehole instrument modules of downhole telemetering system in the course of boring.
SUBSTANCE: proposed electrical connector has one or more contact pairs insulated from one another and electrical conductors connected to internal and external opposing contacts of contact pairs. External contacts of contact pairs are made in the form of semi-rings which are installed opposite one another within flexible insert and are free to move toward one another under impact of external pressure. Proposed method for manufacturing this electrical connector includes connection of electrical conductors to contacts, of which external ones are made in the form of semi-rings, integral with auxiliary bushing and wrapped with band made of polymerizing or curing material, such as raw rubber, on top of auxiliary bushing. Wrapping procedure includes filling of cavities followed by placing conductors along blank axis and final wrapping until diameter of blank becomes greater than outer diameter of electrical connector. Blank is fitted between top and bottom cases of mold, compressed at the same time heating it, whereupon auxiliary bushing is completely removed by boring inner diameter of blank until semi-rings are fully separated.
EFFECT: enhanced power capacity, reliability, and service life of power supply.
5 cl, 6 dwg
FIELD: subsurface laying of screened communication cables designed for local communication networks to operate at high frequencies and as "last-mile" cables.
SUBSTANCE: proposed terminator for copper-conductor communication cables designed for use in structured cable systems of categories 5 and 5e (up to 100 MHz and higher) has sleeve-shaped plastic body with round bottom on one end and cylindrical opening on opposite end, spliced conductors of cable ends being spliced which are potted in sealing compound within cable terminator; spliced insulated copper conductors are sealed with aid of type UY-2 connectors accommodating water-repelling filler; spliced conductors are disposed inside reticular screen made in the form of reticular copper sleeve reliably electrically connected to screens of cable ends being spliced in structured cable networks by winding sub-screen tinned copper wires of cable on sleeve and potting core splice of cable screened with reticular copper sleeve in terminator by cold-hardened polyurethane sealing compound VILAD-13.
EFFECT: enlarged functional capabilities of terminator.
1 cl, 6 dwg
SUBSTANCE: concave body is suggested with open outer edge and several parts of perimetre adjacent with open body edge. Elastomeric film is attached to concave body perimetre parts along open concave body edge. Elastomeric film is suited for coupling one or more cables when the cables are located within the body to isolate them from environmental conditions.
EFFECT: invention improves device impermeability and provides possibility of reuse when cable or joint is restored.
10 cl, 5 dwg
SUBSTANCE: product consists of protective core that has, at least, two end sections, many retaining cores and, at least, one cold shrink material that is kept in stretched condition above, at least, part of protective core and, at least, part of each retaining core. One end of each of retaining cores is mated with the corresponding end section of protective core. Retaining cores, protective core and cold shrink material as a whole annularly surround the equipment component so that cold shrink material when shrinking is set on part of equipment component after extracting the end of one of many retaining cores from the corresponding end section of protective core.
EFFECT: sealing or other kind of protection of equipment components such as cables or places of their connection.
15 cl, 31 dwg
SUBSTANCE: sealing device is intended for design of cables intended for underground usage. The pressure-limiting device for cables may contain, for example, the first cable including a conductor and an oil-containing layer encapsulating the conductor and the second cable having a conductor. At the connection spot the first cable conductor may be connected to that of the second cable. The connection spot and the conductors of the first and the second cables may be covered with a pressure-limiting hose. Installed at multiple spots o the pressure-limiting hose may be multiple ties for crimping the pressure-limiting hose round the connection spots and the first and he second cables sections. The pressure-limiting device may be implemented in the form of a hose on a single-strand cable or in the form of a breakout with individual hoses on a multi-strand cable such as a three-strand cable.
EFFECT: oil-containing cables sealing improvement.
20 cl, 12 dwg