CN213602150U - Processing device for butt joint of crosslinked polyethylene cable - Google Patents
Processing device for butt joint of crosslinked polyethylene cable Download PDFInfo
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- CN213602150U CN213602150U CN202022728210.6U CN202022728210U CN213602150U CN 213602150 U CN213602150 U CN 213602150U CN 202022728210 U CN202022728210 U CN 202022728210U CN 213602150 U CN213602150 U CN 213602150U
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Abstract
The utility model provides a processing apparatus for cross-linked polyethylene cable carries out butt joint, include the setting and be used for making the exothermic welding device of melt (3) between the sinle silk of first cable conductor (1) and the sinle silk of second cable conductor (2), the cooling device of setting on the insulating layer of first cable conductor (1) and the insulating layer of second cable conductor (2), through exothermic welding device, the sinle silk of having realized first cable conductor (1) and the sinle silk of second cable conductor (2) carry out the butt joint, through cooling device, the insulating layer of having realized first cable conductor (1) and the insulating layer of second cable conductor (2) carry out cooling protection, consequently, the phenomenon that the insulating layer of preventing the cable conductor from being damaged takes place.
Description
Technical Field
The utility model relates to a processing apparatus, especially a processing apparatus that is used for crosslinked polyethylene cable to carry out butt joint.
Background
The cross-linked polyethylene insulated cable is a cable suitable for the field of power distribution networks and the like, has incomparable advantages with PVC insulated cables, has simple structure, light weight, good heat resistance, strong load capacity, no melting, chemical corrosion resistance and high mechanical strength, so a processing device for butting the cross-linked polyethylene cables is an important cable process device, the common cross-linked polyethylene insulated cables are mutually connected through a welding head, the cross-linked polyethylene cable welding head is a novel welding head technology which uses a cross-linked polyethylene vulcanized tape winding recovery cable structure to replace a cold contraction intermediate joint through a heat release welding conductor, the cable has the advantages of recovering the cable body structure, greatly reducing the possibility of partial discharge of the joint, having higher electrical insulation performance and stable operation durability, being seamlessly fused and combined with the original cable, having no interface and good waterproof sealing, the internal electric field of the insulation recovery is uniformly distributed, the equipotential line distribution is consistent with the electrical performance form of the bus body,
the welding head is mainly applied to 10-35 kV crosslinked polyethylene cables, and adopts a mode of wrapping an insulating vulcanizing belt, and two problems exist in the actual installation process, namely, when a conductor wire core is welded, an air cooler is generally used for cooling the welded conductor part, the cooling effect is poor, the insulation is easily damaged, the crosslinking forming temperature after the wrapping of the insulating vulcanizing belt is about 175 ℃, the crosslinking forming time is about 2 hours, the vulcanizing time is long, the efficiency is low,
the technical scheme of the invention is made based on the technical problems, technical features and technical effects in the technical background of the applicant.
Disclosure of Invention
The object of the utility model is a processing apparatus that is used for crosslinked polyethylene cable to carry out the butt joint.
In order to overcome the technical disadvantages, the present invention provides a processing device for butt-jointing a cross-linked polyethylene cable, thereby preventing the insulating layer of the cable from being damaged.
In order to achieve the purpose, the utility model adopts the technical proposal that: comprises an exothermic welding device which is arranged between a wire core of a first cable wire and a wire core of a second cable wire and is used for preparing a molten mass, and a cooling device which is arranged on an insulating layer of the first cable wire and an insulating layer of the second cable wire.
Owing to designed exothermic welding set and cooling device, through exothermic welding set, realized carrying out the butt fusion to the sinle silk of first cable conductor and the sinle silk of second cable conductor, through cooling device, realized cooling protection to the insulating layer of first cable conductor and the insulating layer of second cable conductor, consequently prevent that the insulating layer of cable conductor from being taken place by the phenomenon of damage.
The utility model discloses a, according to the mode of outer extension cooling space to interconnect exothermic welding set and cooling device.
The utility model discloses a, according to the mode that carries out cooling protection to the insulating layer of first cable conductor and the insulating layer of second cable conductor couple cooling device and exothermic welding device.
The utility model discloses a, exothermic welding set sets up to including first graphite electrode, second graphite electrode, first connecting plate and second connecting plate.
The utility model discloses a, cooling device sets up to including first bobbin, second bobbin and middle pipe.
The utility model discloses a, still include first annex device and first annex device sets up between exothermic welding set and cooling device, and first annex device sets up to the connecting rod.
The utility model discloses a, still include second annex device and second annex device sets up on the butt joint of first cable conductor and second cable conductor, and second annex device sets up to including heating zone and induction heating coil.
The utility model discloses a, be provided with first connecting plate and second connecting plate between first graphite electrode and second graphite electrode respectively, be provided with the intervalve between first bobbin and second bobbin and be provided with the connecting rod between first graphite electrode and first bobbin and second bobbin respectively.
The utility model discloses a, first graphite electrode sets up to T font barred body and is provided with uncovered cavity in the extension portion of first graphite electrode, be provided with runner hole body and runner hole body's last port portion at first graphite electrode's constriction portion and set up to communicate with uncovered cavity, runner hole body's lower port portion sets up at first graphite electrode's constriction portion lower extreme terminal surface portion and one of them side portion of first graphite electrode's constriction portion sets up to hookup through bolt and first connecting plate, wherein another side portion of first graphite electrode's constriction portion sets up to hookup through bolt and second connecting plate and runner hole body and uncovered cavity set up respectively to circular port-shaped body.
The utility model discloses a, second graphite electrode sets up to interior end has the barred body of arc plush head and one of them side portion of second graphite electrode sets up to hookup through bolt and first connecting plate, and one of them side portion of second graphite electrode sets up to hookup through bolt and second connecting plate.
The utility model discloses a, first connecting plate and second connecting plate set up respectively to the platelike body that has the through-hole body and one of them end of first connecting plate and one of them end of second connecting plate set up respectively to be linked to through bolt and first graphite electrode, and wherein another end of first connecting plate and wherein another end of second connecting plate set up respectively to be linked to through bolt and second graphite electrode.
The utility model discloses a, first winding pipe and second winding pipe set up respectively to the conical body and the inner oral area of first winding pipe and the inner oral area of second winding pipe set up respectively to hookup with the intervalve, and the outer oral area of first winding pipe sets up to the cooling water entering port body and the outer oral area of second winding pipe sets up to the cooling water discharge port body.
The utility model discloses a, the intermediate pipe sets up to U font siphonozooid and one of them port portion of intermediate pipe sets up to coupleing with first winding pipe, and wherein another port portion of intermediate pipe sets up to coupleing with the second winding pipe.
The utility model discloses a, the connecting rod sets up to the bar and one of them end of connecting rod sets up to hookup with first graphite electrode, and wherein another end of connecting rod sets up respectively to hookup with first winding pipe and second winding pipe.
The utility model discloses a, first graphite electrode, second graphite electrode, first connecting plate and second connecting plate and first pipe winding, the second is set up to hookup each other and first graphite electrode according to the mode between additional cooling interval around pipe and middle pipe, second graphite electrode, first connecting plate, the second connecting plate, first pipe winding, the second is around pipe and middle pipe and connecting rod set up to distribute according to the mode that the splayed is connected, wherein first connecting rod setting is between first graphite electrode and first pipe winding and wherein the second connecting rod setting is between first graphite electrode and second pipe winding, the central line of first connecting plate, the central line of second connecting plate, the central line of first pipe winding and the central line setting of second pipe are on same straight line. The utility model relates to a, the heating band sets up in induction heating coil.
The utility model relates to a, the heating band sets up to induction heating area and the heating band sets up to the formula hookup that immerses with induction heating coil.
The utility model relates to an, induction heating coil sets up to spiral coil and induction heating coil sets up to the hookup of heating tape holding formula.
The utility model discloses a, crosslinked polyethylene cable butt joint sets up to including first cable conductor, the second cable conductor, the fusiform body, connect the internal shield layer, connect insulating layer body and connect the external shield layer and be provided with the fusiform body between first cable conductor and second cable conductor, be provided with between fusiform body and first cable conductor and second cable conductor and connect the internal shield layer and be provided with between connecting internal shield layer and first cable conductor and second cable conductor and connect insulating layer body, be provided with between connecting insulating layer body and first cable conductor and second cable conductor and connect the external shield layer.
The utility model discloses a, the sinle silk end of first cable conductor and the sinle silk end of second cable conductor set up respectively to hookup with the melt and the sinle silk outside portion of first cable conductor, the sinle silk outside portion of second cable conductor, the shielding layer end of first cable conductor and the shielding layer end of second cable conductor set up respectively to hookup with joint internal shield layer, the shielding layer outside portion of first cable conductor, the shielding layer outside portion of second cable conductor, the insulating layer end of first cable conductor and the insulating layer end of second cable conductor set up respectively to hookup with the insulating layer body that connects and the insulating layer outside portion of first cable conductor, the insulating layer outside portion of second cable conductor sets up respectively to hookup with the joint external shield layer.
The utility model discloses a, the melt sets up to the coagulation body of copper powder and welding agent and the melt sets up to the sinle silk end surrounding type hookup with the sinle silk end of first cable conductor and the sinle silk end of second cable conductor.
The utility model discloses a, connect the internal shield layer to set up to semi-conductive film and connect the internal shield layer to set up respectively to the sinle silk with first cable conductor, the sinle silk of second cable conductor, the shielding layer of first cable conductor, the shielding layer and the melt winding hookup of second cable conductor and the lateral surface portion that connects the internal shield layer sets up to the body hookup with the insulating layer body that connects.
The utility model discloses a, connect the insulating layer body set up to insulating vulcanization area and connect the insulating layer body set up respectively to the shielding layer with first cable conductor, the shielding layer of second cable conductor, the insulating layer of first cable conductor, the insulating layer of second cable conductor and connect the inner shield layer winding type hookup and connect the lateral surface portion of the insulating layer body to set up to and connect the outer shielding layer hookup.
The utility model discloses a, connect the outer shielding layer to set up to the shielding bag-shaped body and connect the outer shielding layer to set up respectively to the insulating layer with first cable conductor, the insulating layer of second cable conductor and connect insulating layer body suit formula hookup.
The technical effects of the utility model reside in that: comprises a cooling system consisting of a cooling controller and a cooling water pipe, and a heating circulation system consisting of a high-frequency heating temperature controller, an induction heating coil and a silicon rubber heating belt. The cross-linked polyethylene welding head is welded into a whole by a graphite mould in a mode of carrying out heat release welding on the butt joint of two cable core conductors, a cooling water pipe is wound on an insulator, and the effect of quickly cooling the insulator is achieved when the conductors are welded, so that the damage of the insulating layer is reduced; a semi-conductive film and an insulating vulcanized belt are used for wrapping a welding position, a cable body is recovered, a high-frequency heating temperature controller and a heating belt are respectively wound on the outer side of the vulcanized belt, the high-frequency heating is that an induction coil carries out induction heating on a copper conductor wire core, the insulating vulcanized belt is heated from the inner side, the silicon rubber vulcanized belt is heated from the outer side of the insulating vulcanized belt, so that a dual heating effect is achieved, the crosslinking speed and the crosslinking uniformity of the insulating vulcanized belt are accelerated, and the installation efficiency is improved, the cable comprises a cooling system consisting of a cooling controller and a cooling water pipe, a high-frequency heating temperature controller, a heating circulation system consisting of the induction heating coil and the silicon rubber heating belt, the crosslinked polyethylene welding head conductor wire core is subjected to heat release welding by using a high-temperature resistant graphite mold, the cooling water pipe is wound on an insulating, the cooling controller is provided with a cooling water flow adjusting and temperature switch, the used cooling water is softened water and is recycled, an insulating vulcanizing tape is wound on a conductor wire core, an insulating layer structure is recovered, a silicon rubber heating tape is wound on the wound insulating vulcanizing tape, an induction heating copper coil is placed on the outer side of the heating tape, the induction heating coil is used for temperature control through a high-frequency heating temperature controller, the temperature adjustable range is 0-1000 ℃, the induction heating coil is used for heating the copper wire core, the copper wire core transmits the temperature to the insulating vulcanizing tape, the cross-linking forming temperature of the insulating vulcanizing tape is 150-185 ℃, the silicon rubber heating tape is used for temperature control through the temperature controller, the temperature range is room temperature-300 ℃, the insulating vulcanizing tape is heated from inside to outside under the action of the heating tape and the induction coil, the vulcanizing time can be doubled, and the problem that the conductor and the insulation are rapidly cooled after the welding of the cross-linked polyethylene cable welding head is mainly solved, the problems of insulation damage, low cross-linking forming speed of the insulation vulcanization belt, low installation efficiency and the like are solved. This crosslinked polyethylene heat sealing head carries out heat-release welding's mode to two cable core conductor butt joints through graphite jig and carries out the butt fusion as an organic whole, adopt cooling circulation system to conductor and insulating rapid cooling, with semi-conductive film, insulating vulcanize area is around package welding position, resume the cable body, adopt high-frequency heating temperature controller and heating tape, from the inboard and the insulating vulcanize outside dual heating of sinle silk conductor, accelerate insulating vulcanize area crosslinking speed and the degree of consistency, it is fast to have the cooling rate after the welding, vulcanize the increase of area crosslinking efficiency, thereby advantages such as installation effectiveness have been improved, be used for solving among the prior art crosslinked polyethylene cable heat sealing head welding back and give conductor and insulating rapid cooling, prevent insulating damage, the crosslinking shaping speed in insulating vulcanize area is slow, the low scheduling problem of installation effectiveness.
In this embodiment, the molten body is a weld between the first cable line and the second cable line.
In the technical scheme, the exothermic welding device and the cooling device which extend out of the cooling space are important technical features, and the technical field of the processing device for butting the crosslinked polyethylene cables has novelty, creativity and practicability, and the terms in the technical scheme can be explained and understood by the patent documents in the technical field.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Figure 1 is a schematic view of one of the first embodiments of the present invention,
FIG. 2 is a schematic structural diagram of the cross-linked polyethylene cable butt joint of the present invention,
figure 3 is a schematic view of a second embodiment of the present invention,
the device comprises a first graphite electrode-101, a second graphite electrode-102, a first connecting plate-103, a second connecting plate-104, a first winding pipe-201, a second winding pipe-202, a middle pipe-203, a connecting rod-50, a heating belt-30, an induction heating coil-40, a runner hole body-105, an open cavity body-106, a first cable-1, a second cable-2, a melt body-3, a connector inner shielding layer-4, a connector insulating layer body-5 and a connector outer shielding layer-6.
Detailed Description
Terms such as "having," "including," and "comprising," as used herein with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other, and unless otherwise specified, the equipment and materials used in the following examples are commercially available, and if the processing conditions are not specified, please refer to the purchased product specification or follow the conventional method in the art.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a first embodiment of the present invention, which is specifically described with reference to the accompanying drawings, and includes a first graphite electrode 101, a second graphite electrode 102, a first connecting plate 103, a second connecting plate 104, a first winding pipe 201, a second winding pipe 202, an intermediate pipe 203 and a connecting rod 50, wherein the first connecting plate 103 and the second connecting plate 104 are respectively disposed between the first graphite electrode 101 and the second graphite electrode 102, the intermediate pipe 203 is disposed between the first winding pipe 201 and the second winding pipe 202, and the connecting rod 50 is respectively disposed between the first graphite electrode 101 and the first winding pipe 201 and the second winding pipe 202.
In the present embodiment, the first graphite electrode 101 is provided as a T-shaped rod and an open cavity 106 is provided at the expanded portion of the first graphite electrode 101, a flow passage hole body 105 is provided at the contracted portion of the first graphite electrode 101 and the upper end opening portion of the flow passage hole body 105 is provided to communicate with the open cavity 106, the lower end opening portion of the flow passage hole body 105 is provided at the contracted portion lower end surface portion of the first graphite electrode 101 and one side surface portion of the contracted portion of the first graphite electrode 101 is provided to be coupled with the first connecting plate 103 by a bolt, the other side surface portion of the contracted portion of the first graphite electrode 101 is provided to be coupled with the second connecting plate 104 by a bolt and the flow passage hole body 105 and the open cavity 106 are respectively provided as circular-hole-shaped bodies.
Through first graphite electrode 101, formed the support tie point to first connecting plate 103 and second connecting plate 104, by first graphite electrode 101, realized being connected with first connecting plate 103, realized being connected with second connecting plate 104, by runner hole body 105 and open cavity 106, realized handling on the butt joint gap of the sinle silk of copper powder and welding agent release to first cable conductor 1 and the sinle silk of second cable conductor 2, its technical aim at: one of the electrode members for emitting heat as the melt 3 is formed.
In the present embodiment, the second graphite electrode 102 is provided as a rod-shaped body having an arc nose at an inner tip and one of side surface portions of the second graphite electrode 102 is provided to be coupled with the first connecting plate 103 by a bolt and the other side surface portion of the second graphite electrode 102 is provided to be coupled with the second connecting plate 104 by a bolt.
Through second graphite electrode 102, formed the support connection point to first connecting plate 103 and second connecting plate 104, realized being connected with first connecting plate 103 by second graphite electrode 102, realized being connected with second connecting plate 104, its technical aim at: the second electrode component is used as an electrode component of an exothermic welding device.
In this embodiment, the first connection plate 103 and the second connection plate 104 are respectively provided as a sheet-like body having a through-hole body and one of the end heads of the first connection plate 103 and one of the end heads of the second connection plate 104 are respectively provided to be coupled with the first graphite electrode 101 by a bolt, and the other of the end heads of the first connection plate 103 and the other of the end heads of the second connection plate 104 are respectively provided to be coupled with the second graphite electrode 102 by a bolt.
Through first connecting plate 103 and second connecting plate 104, formed the support tie point to first graphite electrode 101 and second graphite electrode 102, realized being connected with first graphite electrode 101 by first connecting plate 103 and second connecting plate 104, realized being connected with second graphite electrode 102, its technical aim at: as a member for connecting the first graphite electrode 101 and the second graphite electrode 102.
In the present embodiment, the first winding pipe 201 and the second winding pipe 202 are respectively provided as a tapered body and the inner port portion of the first winding pipe 201 and the inner port portion of the second winding pipe 202 are respectively provided to be coupled with the intermediate pipe 203, the outer port portion of the first winding pipe 201 is provided as a cooling water inlet port body and the outer port portion of the second winding pipe 202 is provided as a cooling water outlet port body.
The first winding pipe 201 and the second winding pipe 202 form a supporting connection point for the intermediate pipe 203, and the first winding pipe 201 and the second winding pipe 202 realize connection with the intermediate pipe 203, and the technical purpose is as follows: as means for cooling the insulating layer of the first electric cable 1 and the insulating layer of the second electric cable 2.
In this embodiment, the intermediate pipe 203 is provided as a U-shaped tubular body and one of the port portions of the intermediate pipe 203 is provided to be coupled with the first winding 201 and the other port portion of the intermediate pipe 203 is provided to be coupled with the second winding 202.
Through the middle pipe 203, a supporting connection point for the first winding pipe 201 and the second winding pipe 202 is formed, and the middle pipe 203 is connected with the first winding pipe 201 and the second winding pipe 202, and the technical purpose is that: as a means for interconnecting the first winding 201 and the second winding 202.
In the present embodiment, the connection rod 50 is provided as a bar and one end of the connection rod 50 is provided to be coupled to the first graphite electrode 101, and the other end of the connection rod 50 is provided to be coupled to the first winding pipe 201 and the second winding pipe 202, respectively.
Through connecting rod 50, formed the support tie point to first graphite electrode 101, first pipe 201 and second pipe 202 that winds, by connecting rod 50, realized being connected with first graphite electrode 101, realized being connected with first pipe 201, realized being connected with second pipe 202 that winds, its technical aim at: as a means for connecting the first graphite electrode 101 to the second winding pipe 201 and 202.
In the present embodiment, the first graphite electrode 101, the second graphite electrode 102, the first connection plate 103, and the second connection plate 104, and the first wound tube 201, the second wound tube 202, and the intermediate tube 203 are disposed so as to be coupled to each other in a manner of additional cooling zones and the first graphite electrode 101, the second graphite electrode 102, the first connection plate 103, the second connection plate 104, the first wound tube 201, the second wound tube 202, and the intermediate tube 203 and the connection rod 50 are disposed so as to be distributed in a manner of a chevron connection, wherein the first connection rod 50 is disposed between the first graphite electrode 101 and the first wound tube 201 and wherein the second connection rod 50 is disposed between the first graphite electrode 101 and the second wound tube 202, and the center line of the first connection plate 103, the center line of the second connection plate 104, the center line of the first wound tube 201, and the center line of the second wound tube 202 are disposed on the same straight line.
Fig. 2 is one of the first embodiments of the present invention, which is described in detail with reference to the accompanying drawings, wherein the joint of the cross-linked polyethylene cable is configured to include a first cable 1, a second cable 2, a melt 3, a joint inner shield layer 4, a joint insulating layer 5 and a joint outer shield layer 6, the melt 3 is disposed between the first cable 1 and the second cable 2, the joint inner shield layer 4 is disposed between the melt 3 and the first cable 1 and the second cable 2, the joint insulating layer 5 is disposed between the joint inner shield layer 4 and the first cable 1 and the second cable 2, and the joint outer shield layer 6 is disposed between the joint insulating layer 5 and the first cable 1 and the second cable 2.
In this embodiment, the sinle silk end of first cable conductor 1 and the sinle silk end of second cable conductor 2 set up respectively to couple and the sinle silk outside portion of first cable conductor 1 with the melting body 3, the sinle silk outside portion of second cable conductor 2, the shielding layer end of first cable conductor 1 and the shielding layer end of second cable conductor 2 set up respectively to couple with joint internal shield 4, the shielding layer outside portion of first cable conductor 1, the shielding layer outside portion of second cable conductor 2, the insulating layer end of first cable conductor 1 and the insulating layer end of second cable conductor 2 set up respectively to couple and the insulating layer outside portion of first cable conductor 1 with joint insulating layer body 5, the insulating layer outside portion of second cable conductor 2 sets up respectively to couple with joint external shield 6.
Through first cable conductor 1 and second cable conductor 2, formed the support tie point to the melten body 3, connect internal shield layer 4, the insulating layer body 5 of joint and joint external shield 6, by first cable conductor 1 and second cable conductor 2, realized being connected with melten body 3, realized with connecting internal shield layer 4 and be connected, realized with the insulating layer body 5's that connects connection, realized with the connection that connects external shield 6, its technical aim at: for use as a component for making connections to other electrical components.
In the present embodiment, the melt 3 is provided as a condensate of copper powder and a solder and the melt 3 is provided to be coupled with the core end of the first electric cable 1 and the core end of the second electric cable 2 in a circling manner.
Through the melt 3, formed the support tie point to first cable conductor 1 and second cable conductor 2, realized by melt 3 and connected with first cable conductor 1, realized and connected with second cable conductor 2, its technical aim at: as a means for butting the first electric cable 1 and the second electric cable 2.
In this embodiment, the joint inner shield layer 4 is provided as a semiconductive thin film and the joint inner shield layer 4 is respectively provided to be wound-coupled with the core of the first cable line 1, the core of the second cable line 2, the shield layer of the first cable line 1, the shield layer of the second cable line 2, and the melt 3 and the outer side surface portion of the joint inner shield layer 4 is provided to be coupled with the joint insulating layer body 5.
Through connecting internal shield layer 4, formed the support tie point to first cable conductor 1, second cable conductor 2, melt 3 and the insulating layer body 5 of joint, by connecting internal shield layer 4, realized being connected with first cable conductor 1, realized being connected with second cable conductor 2, realized being connected with melt 3, realized being connected with the insulating layer body 5 of joint, its technical aim at: as one of the members for shielding the butt joint of the first electric cable 1 and the second electric cable 2.
In this embodiment, the joint insulating layer body 5 is provided as an insulating vulcanized tape and the joint insulating layer body 5 is respectively provided to be wound-coupled with the shielding layer of the first cable wire 1, the shielding layer of the second cable wire 2, the insulating layer of the first cable wire 1, the insulating layer of the second cable wire 2 and the joint inner shielding layer 4 and the outer side surface portion of the joint insulating layer body 5 is provided to be coupled with the joint outer shielding layer 6.
Through connecting insulating layer body 5, formed the support tie point to first cable conductor 1, second cable conductor 2, joint internal shield layer 4 and joint external shield layer 6, by connecting insulating layer body 5, realized being connected with first cable conductor 1, realized being connected with second cable conductor 2, realized with connecting internal shield layer 4 being connected, realized with connecting external shield layer 6 being connected, its technical aim at: as a means for insulating the butt joint of the first electric cable 1 and the second electric cable 2.
In this embodiment, the joint outer shield layer 6 is provided as a shield bag-like body and the joint outer shield layer 6 is provided to be coupled with the insulating layer of the first electric cable 1, the insulating layer of the second electric cable 2, and the joint insulating layer body 5 in a nested manner, respectively.
Through connecting outer shielding layer 6, formed the support tie point to first cable conductor 1 and second cable conductor 2, by connecting outer shielding layer 6, realized with first cable conductor 1's being connected, realized with second cable conductor 2's being connected, realized with the insulating layer body 5's of joint connection, its technical aim at: and a second part for shielding the butt joint of the first cable line 1 and the second cable line 2.
Stripping the butt end of the first cable 1 and the butt end of the second cable 2, exposing the core of the first cable 1 and the core of the second cable 2, sleeving the first winding pipe 201 on the insulating layer of the first cable 1, sleeving the second winding pipe 202 on the insulating layer of the second cable 2, sleeving the through hole body of the first connecting plate 103 on the core of the first cable 1, sleeving the through hole body of the second connecting plate 104 on the core of the second cable 2, enabling the lower end opening of the runner hole body 105 to act on the butt seam of the core of the first cable 1 and the core of the second cable 2, connecting the first graphite electrode 101 and the second graphite electrode 102 with the core of the first cable 1 and the core of the second cable 2, placing copper powder and welding agent into the open cavity 106, respectively connecting the first graphite electrode 101 and the second graphite electrode 102 with the electrodes of a power supply, the cooling water source is started, so that the cooling water is injected into the first winding pipe 201, the cooling water flows into the second winding pipe 202 and then flows back to the cooling water source through the middle pipe 203, the insulating layer of the first cable 1 and the insulating layer of the second cable 2 are cooled, the power supply is started, copper powder and welding agent are discharged into the butt joint gap between the core of the first cable 1 and the core of the second cable 2, the first graphite electrode 101 and the second graphite electrode 102 generate current for the core of the first cable 1 and the core of the second cable 2, the copper powder and the welding agent in the butt joint gap between the core of the first cable 1 and the core of the second cable 2 are melted to form a molten body 3, the core of the first cable 1 and the core of the second cable 2 are rotated in the first connecting plate 103 and the second connecting plate 104, and the molten body 3 is made to surround the butt joint gap between the core of the first cable 1 and the core of the second cable 2.
Fig. 3 is a second embodiment of the present invention, which is specifically described with reference to the drawings, and further includes a heating belt 30 and an induction heating coil 40, and the heating belt 30 is disposed in the induction heating coil 40.
In the present embodiment, the heating belt 30 is provided as an induction heating belt and the heating belt 30 is provided to be sink-coupled with the induction heating coil 40.
The heating band 30 forms a supporting connection point for the induction heating coil 40, and the heating band 30 is connected to the induction heating coil 40, so that the technical purpose is as follows: as a means for heating the butt joint of the first electric cable 1 and the second electric cable 2.
In the present embodiment, the induction heating coil 40 is provided as a helical coil and the induction heating coil 40 is provided as a heating belt 30 housing coupling.
The support connection point to the heating belt 30 is formed by the induction heating coil 40, and the connection with the heating belt 30 is realized by the induction heating coil 40, and the technical purpose thereof is as follows: for operating as a means of activating the heating belt 30.
After the melt 3 is manufactured, the joint inner shielding layer 4 is wound on the core of the first cable 1, the core of the second cable 2, the shielding layer of the first cable 1, the shielding layer of the second cable 2 and the melt 3, the joint insulating layer body 5 is wound on the shielding layer of the first cable 1, the shielding layer of the second cable 2, the insulating layer of the first cable 1, the insulating layer of the second cable 2 and the joint inner shielding layer 4, the joint outer shielding layer 6 is sleeved on the insulating layer of the first cable 1, the insulating layer of the second cable 2 and the joint insulating layer body 5, the heating tape 30 is wound on the joint outer shielding layer 6, the induction heating coil 40 is sleeved on the heating tape 30, after the induction heating coil 40 is connected with a power supply, the heating tape 30 and the joint inner shielding layer 4 are heated, the insulating layer of the first cable 1, the insulating layer of the second cable 2 and the joint insulating layer body 5 are melted, when the insulating layer of the first cable 1, the insulating layer of the second cable 2 and the joint insulating layer 5 are softened, the induction heating coil 40 is disconnected from the power supply, and the insulating layer of the first cable 1, the insulating layer of the second cable 2 and the joint insulating layer 5 are hardened and fused together.
The second embodiment of the present invention interconnects the exothermic welding device and the cooling device in such a manner as to extend the cooling space outward.
In the present embodiment, the cooling device is coupled to the heat-releasing welding device in such a manner that the insulating layer of the first electric cable 1 and the insulating layer of the second electric cable 2 are protected from cooling.
In the present embodiment, the exothermic welding device is provided to include a first graphite electrode 101, a second graphite electrode 102, a first connection plate 103, and a second connection plate 104.
In this embodiment, the cooling device is configured to include a first winding pipe 201, a second winding pipe 202, and an intermediate pipe 203.
In this embodiment, a first attachment device is also included and is disposed between the exothermic welding device and the cooling device, the first attachment device being configured as a connecting rod 50.
In the present embodiment, a second accessory device is further included and provided on the butt joint of the first electric cable 1 and the second electric cable 2, the second accessory device being configured to include the heating tape 30 and the induction heating coil 40.
The second embodiment of the present invention is based on the first embodiment.
The utility model has the characteristics of down:
1. owing to designed exothermic welding set and cooling device, through exothermic welding set, realized carrying out the butt fusion to the sinle silk of first cable conductor 1 and the sinle silk of second cable conductor 2, through cooling device, realized cooling protection to the insulating layer of first cable conductor 1 and the insulating layer of second cable conductor 2, consequently the phenomenon that the insulating layer of preventing the cable conductor from being damaged takes place.
2. Due to the design of the first graphite electrode 101, the second graphite electrode 102, the first connecting plate 103 and the second connecting plate 104, the electrode heating and melting treatment is realized.
3. Due to the design of the first winding pipe 201, the second winding pipe 202 and the intermediate pipe 203, the water cooling process is realized.
3. Due to the design of the connecting rod 50, the connection of the cooling device with the exothermic welding device is achieved.
3. Since the heating belt 30 and the induction heating coil 40 are designed, the induction heating softening process is realized.
4. Owing to designed and carried out numerical range's injecion to the knot configuration form, made numerical range do the utility model discloses a technical scheme in the technical scheme technical characteristics, not through the formula calculation or through the technical characteristics that the limited number of experiments reachs, the experiment shows that this numerical range's technical characteristics has obtained fine technological effect.
5. Owing to designed the utility model discloses a technical characteristic, in technical characteristic's the effect alone and mutual set, through experimental demonstration, the utility model discloses an each item performance index is 1.7 times at least for current each item performance index, has fine market value through the aassessment.
Other features associated with the exothermic welding device and cooling device extending outside the cooling space are all embodiments of the present invention, and any combination of the features of the above-described embodiments may be made, and all possible combinations of the features of the above-described embodiments will not be described again in order to satisfy the requirements of the patent laws, patent practice rules, and examination guidelines.
Therefore in the processing apparatus technical field that is used for the crosslinked polyethylene cable to carry out the butt joint, all include the setting between the sinle silk of first cable conductor 1 and the sinle silk of second cable conductor 2 and be used for making the exothermic welding set of melt 3, set up the technical content of the cooling device on the insulating layer of first cable conductor 1 and the insulating layer of second cable conductor 2 all be in the protection scope of the utility model.
Claims (10)
1. A processing apparatus for crosslinked polyethylene cable carries out butt joint, characterized by: comprises an exothermic welding device which is arranged between a wire core of a first cable (1) and a wire core of a second cable (2) and is used for preparing a molten mass (3), and a cooling device which is arranged on an insulating layer of the first cable (1) and an insulating layer of the second cable (2).
2. The processing apparatus for splicing cross-linked polyethylene cables according to claim 1, wherein: the exothermic welding device and the cooling device are coupled to each other in such a manner as to extend the cooling space outward.
3. The processing apparatus for splicing cross-linked polyethylene cables according to claim 2, wherein: the cooling device is connected to the heat-emitting welding device in such a way that the insulation of the first cable (1) and the insulation of the second cable (2) are protected from cooling.
4. The processing apparatus for splicing cross-linked polyethylene cables according to claim 1, wherein: the exothermic welding device is provided with a first graphite electrode (101), a second graphite electrode (102), a first connecting plate (103) and a second connecting plate (104),
or the cooling device is arranged to comprise a first winding pipe (201), a second winding pipe (202) and an intermediate pipe (203),
or, a first attachment device is included and disposed between the exothermic welding device and the cooling device, the first attachment device being configured as a connecting rod (50),
or, a second accessory device is further included and is arranged on the butt joint of the first cable wire (1) and the second cable wire (2), and the second accessory device is arranged to include a heating band (30) and an induction heating coil (40).
5. The processing apparatus for splicing cross-linked polyethylene cables according to claim 4, wherein: a first connecting plate (103) and a second connecting plate (104) are respectively arranged between the first graphite electrode (101) and the second graphite electrode (102), an intermediate pipe (203) is arranged between the first winding pipe (201) and the second winding pipe (202), and connecting rods (50) are respectively arranged between the first graphite electrode (101) and the first winding pipe (201) and the second winding pipe (202).
6. The processing apparatus for splicing cross-linked polyethylene cables according to claim 5, wherein: the first graphite electrode (101) is arranged into a T-shaped rod-shaped body, an open cavity (106) is arranged at the expansion part of the first graphite electrode (101), a flow passage hole body (105) is arranged at the contraction part of the first graphite electrode (101), the upper port part of the flow passage hole body (105) is communicated with the open cavity (106), the lower port part of the flow passage hole body (105) is arranged at the lower end part of the contraction part of the first graphite electrode (101), one side part of the contraction part of the first graphite electrode (101) is connected with the first connecting plate (103) through a bolt, the other side part of the contraction part of the first graphite electrode (101) is connected with the second connecting plate (104) through a bolt, and the flow passage hole body (105) and the open cavity (106) are respectively arranged into circular hole-shaped bodies,
or the second graphite electrode (102) is arranged into a rod-shaped body with an arc-shaped raised head at the inner end, one side surface part of the second graphite electrode (102) is arranged to be connected with the first connecting plate (103) through a bolt, the other side surface part of the second graphite electrode (102) is arranged to be connected with the second connecting plate (104) through a bolt,
or, the first connecting plate (103) and the second connecting plate (104) are respectively provided as a sheet-like body having a through-hole body and one end of the first connecting plate (103) and one end of the second connecting plate (104) are respectively provided to be coupled with the first graphite electrode (101) by a bolt, and the other end of the first connecting plate (103) and the other end of the second connecting plate (104) are respectively provided to be coupled with the second graphite electrode (102) by a bolt,
or the first winding pipe (201) and the second winding pipe (202) are respectively set to be conical bodies, the inner end opening part of the first winding pipe (201) and the inner end opening part of the second winding pipe (202) are respectively set to be connected with the middle pipe (203), the outer end opening part of the first winding pipe (201) is set to be a cooling water inlet port body, and the outer end opening part of the second winding pipe (202) is set to be a cooling water outlet port body,
or the middle pipe (203) is arranged into a U-shaped tubular body, one port part of the middle pipe (203) is arranged to be connected with the first winding pipe (201), the other port part of the middle pipe (203) is arranged to be connected with the second winding pipe (202),
or the connecting rod (50) is arranged into a strip-shaped body, one end of the connecting rod (50) is arranged to be connected with the first graphite electrode (101), the other end of the connecting rod (50) is respectively arranged to be connected with the first winding pipe (201) and the second winding pipe (202),
or, the first graphite electrode (101), the second graphite electrode (102), the first connecting plate (103), the second connecting plate (104), the first wound tube (201), the second wound tube (202), and the intermediate tube (203) are arranged to be coupled to each other in an additional cooling zone manner and the first graphite electrode (101), the second graphite electrode (102), the first connecting plate (103), the second connecting plate (104), the first wound tube (201), the second wound tube (202), and the intermediate tube (203) are arranged to be distributed in a splayed connection manner with the connecting rod (50), wherein the first connecting rod (50) is arranged between the first graphite electrode (101) and the first wound tube (201) and wherein the second connecting rod (50) is arranged between the first graphite electrode (101) and the second wound tube (202), a center line of the first connecting plate (103), a center line of the second connecting plate (104), a center line of the second connecting plate (103), a center line of the second connecting plate (202), and a center line of the first graphite electrode (101, The central line of the first winding pipe (201) and the central line of the second winding pipe (202) are arranged on the same straight line.
7. The processing apparatus for splicing cross-linked polyethylene cables according to claim 5, wherein: the heating belt (30) is provided in the induction heating coil (40).
8. The processing apparatus for splicing cross-linked polyethylene cables according to claim 5, wherein: the heating band (30) is arranged as an induction heating band and the heating band (30) is arranged in a sunk coupling with the induction heating coil (40),
alternatively, the induction heating coil (40) is arranged as a helical coil and the induction heating coil (40) is arranged as a heating band (30) receiving coupling.
9. The processing apparatus for splicing cross-linked polyethylene cables according to claim 1, wherein: the cross-linked polyethylene cable butt joint is set up to include first cable conductor (1), second cable conductor (2), the fuse mass (3), connect internal shield layer (4), connect insulating layer body (5) and connect external shield layer (6) and be provided with fuse mass (3) between first cable conductor (1) and second cable conductor (2), be provided with between fuse mass (3) and first cable conductor (1) and second cable conductor (2) and connect internal shield layer (4) and be provided with between connecting internal shield layer (4) and first cable conductor (1) and second cable conductor (2) and connect insulating layer body (5), be provided with between connecting insulating layer body (5) and first cable conductor (1) and second cable conductor (2) and connect external shield layer (6).
10. The processing apparatus for splicing cross-linked polyethylene cables according to claim 9, wherein: the sinle silk end of first cable conductor (1) and the sinle silk end of second cable conductor (2) set up respectively to hookup with melting body (3) and the sinle silk outer side of first cable conductor (1), the sinle silk outer side of second cable conductor (2), the shielding layer end of first cable conductor (1) and the shielding layer end of second cable conductor (2) set up respectively to hookup with joint internal shield layer (4), the shielding layer outer side of first cable conductor (1), the shielding layer outer side of second cable conductor (2), the insulating layer end of first cable conductor (1) and the insulating layer end of second cable conductor (2) set up respectively to hookup and the insulating layer outer side of first cable conductor (1) with joint insulating layer body (5) hookup, the insulating layer outer side of second cable conductor (2) sets up respectively to and connects external shield (6),
or the melting body (3) is set to be a condensation body of copper powder and welding agent, the melting body (3) is set to be connected with the core end of the first cable (1) and the core end of the second cable (2) in a surrounding mode,
or the joint inner shielding layer (4) is a semi-conductive film, the joint inner shielding layer (4) is respectively wound and connected with the core of the first cable (1), the core of the second cable (2), the shielding layer of the first cable (1), the shielding layer of the second cable (2) and the melting body (3), the outer side surface of the joint inner shielding layer (4) is connected with the joint insulating layer body (5),
or the joint insulation layer body (5) is set as an insulation vulcanization belt and the joint insulation layer body (5) is respectively set as a winding connection with the shielding layer of the first cable (1), the shielding layer of the second cable (2), the insulation layer of the first cable (1), the insulation layer of the second cable (2) and the joint inner shielding layer (4) and the outer side surface part of the joint insulation layer body (5) is set as a connection with the joint outer shielding layer (6),
or the joint outer shielding layer (6) is arranged into a shielding bag-shaped body, and the joint outer shielding layer (6) is respectively arranged into a sleeved connection with the insulating layer of the first cable (1), the insulating layer of the second cable (2) and the joint insulating layer body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728210.6U CN213602150U (en) | 2020-11-23 | 2020-11-23 | Processing device for butt joint of crosslinked polyethylene cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728210.6U CN213602150U (en) | 2020-11-23 | 2020-11-23 | Processing device for butt joint of crosslinked polyethylene cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113629599A (en) * | 2021-09-14 | 2021-11-09 | 长园电力技术有限公司 | Device and method for isolating heating of cable insulation to inner core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113629599A (en) * | 2021-09-14 | 2021-11-09 | 长园电力技术有限公司 | Device and method for isolating heating of cable insulation to inner core |
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