CN214124791U - 35kV and following cable are around package butt fusion formula intermediate head - Google Patents
35kV and following cable are around package butt fusion formula intermediate head Download PDFInfo
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- CN214124791U CN214124791U CN202120220038.5U CN202120220038U CN214124791U CN 214124791 U CN214124791 U CN 214124791U CN 202120220038 U CN202120220038 U CN 202120220038U CN 214124791 U CN214124791 U CN 214124791U
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Abstract
The utility model provides a 35kV reaches following cable around package butt fusion formula intermediate head relates to cable junction technical field. Including the cable body, this internal conductor sinle silk that is provided with of cable, its characterized in that still includes coupling mechanism, insulating mechanism and waterproof mechanism: the connecting mechanism comprises a conductor connecting pipe, and the conductor connecting pipe is in compression joint with the two sections of conductor wire cores to form a compression joint part; the insulating mechanism comprises a first wrapping body, the first wrapping body is arranged on the crimping part to form a wrapping fusion body, and the first wrapping body is matched with the cable body; the waterproof mechanism comprises an armor layer, the armor layer is arranged on the cable body, and the armor layer is provided with filling glue; its insulating properties is high, has promoted the factor of safety of cable run.
Description
Technical Field
The utility model relates to a cable junction technical field particularly, relates to a 35kV reaches following cable around package butt fusion formula intermediate head.
Background
The cable intermediate head has six types such as around package, injection molding (or molding), hot melt, pyrocondensation, shrinkage and prefabricated formula, in the promotion of the convenience requirement of batch production and field installation, and the hot melt technique has been forgotten in a period of time.
The injection molding (or molding) hot melting technology adopts a fixed mold, and spot casting crosslinking is carried out by adopting XLPE granules, so that the injection molding (or molding) hot melting technology has the advantages of simple operation, and has the defects of insufficient flexibility, large raw material dispersibility, unstable crosslinking property, easy external mechanical influence caused by the need of fixing the mold on spot, and difficult guarantee of the electrical properties such as eccentricity, crosslinking degree, residual byproducts and the like.
The wrapping joint is manufactured by on-site wrapping, and the electrical performance of a finished product cannot meet the performance requirement of the dielectric loss of the crosslinked polyethylene cable body material.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 35kV reaches following cable around package butt fusion formula intermediate head, it can its insulating properties be high, has promoted the factor of safety of cable run.
The embodiment of the utility model is realized like this:
the embodiment of the application provides a 35kV and following cable are around package butt fusion formula intermediate head, and it includes the cable body, this internal conductor sinle silk that is provided with of cable, its characterized in that still includes coupling mechanism, insulating mechanism and waterproof mechanism:
the connecting mechanism comprises a conductor connecting pipe, and the conductor connecting pipe is in compression joint with the two sections of conductor wire cores to form a compression joint part;
the insulating mechanism comprises a first wrapping body, the first wrapping body is arranged on the crimping part to form a wrapping fusion body, and the first wrapping body is matched with the cable body;
waterproof mechanism includes the armor, and the armor sets up in the cable body, and the armor is provided with the filling glue.
In some embodiments of the present invention, a semiconductor filler is disposed between the conductor connecting pipe and the conductor core.
In some embodiments of the present invention, the crimping portions are all configured as a smooth surface.
In some embodiments of the present invention, the crimping portion is provided with a second wrapping body.
In some embodiments of the present invention, the winding welding body is provided with a semiconductor coating.
In some embodiments of the present invention, the semiconductor coating layer is provided with a third enclosure.
The utility model discloses an in some embodiments, above-mentioned cable body still is provided with the copper mesh, and the cable body is connected with the copper braided wire.
The utility model discloses an in some embodiments, above-mentioned copper mesh is provided with the self-adhesion adhesive tape layer, is provided with sealed glue between self-adhesion adhesive tape layer and the copper mesh, is provided with the PVC adhesive tape layer outside the self-adhesion adhesive tape layer, and the PVC adhesive tape layer is provided with the armor, and the packing glue sets up between armor and PVC adhesive tape layer.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
an embodiment of the utility model provides a 35kV and following cable are around package butt fusion formula intermediate head, and it includes the cable body, this internal conductor sinle silk that is provided with of cable still includes coupling mechanism, insulating mechanism and waterproofing mechanism: the connecting mechanism comprises a conductor connecting pipe, and the conductor connecting pipe is in compression joint with the two sections of conductor wire cores to form a compression joint part; the utility model adopts the conductor connecting pipe, which solves the problem that the connection can not be realized on the premise that the length of the cable body is not enough and the cable body can not be increased; the insulating mechanism comprises a first wrapping body, the first wrapping body is arranged on the crimping part to form a wrapping fusion body, and the first wrapping body is matched with the cable body; the first wrapping body with the same property as the cable body is used as the main insulation of the cable body, so that various faults caused by water inflow of the middle joint of most conventional conductor wire cores in the prior art are solved; waterproof mechanism includes the armor, and the armor sets up in the cable body, and the packing glue sets up between cable body and armor, has solved among the prior art conventional intermediate head's the outside waterproof, the relatively poor problem of fire behavior.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of the whole of the embodiment of the present invention.
Icon: the cable comprises a cable body, a copper mesh 2, a filling adhesive 3, a crimping part 4, a lapping fusion body 5, an armor layer 6 and a sealant 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms indicating the directions or the positional relationships appear, the directions or the positional relationships are all based on the directions or the positional relationships shown in the drawings, or the directions or the positional relationships that the products of the present invention usually put when in use, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated devices or elements must have specific directions, be constructed and operated with specific directions, and therefore, should not be understood as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted 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 according to specific situations by those skilled in the art.
Examples
Referring to fig. 1, fig. 1 shows an embodiment of the present invention.
This embodiment provides a 35kV and following cable are around package butt fusion formula intermediate head, and it includes cable body 1, is provided with the conductor sinle silk in the cable body 1, still includes coupling mechanism, insulating mechanism and waterproof mechanism:
the connecting mechanism comprises a conductor connecting pipe, and the conductor connecting pipe is in compression joint with the two sections of conductor wire cores to form a compression joint part 4; the utility model discloses a conductor connecting pipe, it is not enough to have solved 1 length of cable body, can not increase again under 1 prerequisite of cable body, and the problem of unable connection.
In some embodiments of the present invention, a semiconductor filler is disposed between the conductor connecting pipe and the conductor core. In this embodiment, utilize crimping connector among the prior art, carry out the crimping with the both ends of conductor connecting pipe respectively with both ends conductor sinle silk and link to each other, the crimping is the mode of terminating, has the advantage that the fastness is strong. At this time, a certain gap may exist between the conductor connecting tube and the conductor core, and in this embodiment, the gap is filled with a semi-conductive cross-linkable tape, so as to achieve smooth surface coverage.
In some embodiments of the present invention, the crimping portions 4 are all configured as a smooth surface. In practical operation, the surface of the crimping part 4 needs to be polished to ensure the roundness.
In some embodiments of the present invention, the crimping portion 4 is provided with a second wrapping body. In this embodiment, what the second adopted around the package is semi-conductive vulcanize area, uses the semi-conductive vulcanize area to overlap crimping portion 4 with conductor connecting pipe and conductor sinle silk according to 1/2 mode of putting up the lid two-layer, does the smooth processing with the connection part to form the internal shield layer.
The insulating mechanism comprises a first wrapping body, the first wrapping body is arranged on the crimping part 4 to form a wrapping and welding body 5, and the first wrapping body is matched with the cable body 1; the first wrapping body with the same property as the cable body 1 is adopted as the main insulation of the cable body 1, and various faults caused by water inflow of most conventional conductor wire core middle joints in the prior art are solved. In this embodiment, a polyethylene strip is used to wrap a plurality of layers at the crimping part 4, the layer number reaches 10mm-20mm, and the repair of the main insulated wire core of the cable body 1 is completed.
In this embodiment, heating devices are installed at two ends of the wrapping fusion body 5, prepared cold shrink tubes are sleeved on the outer layer, aluminum foil paper is adopted to uniformly and smoothly wrap the surface of the wrapping fusion body, then a layer of heating tape is wrapped, the heating device is started to heat for 1-2 hours, the heating temperature is 150-250 ℃, the polyethylene strip is in a molten state, then the heating device is removed, and after natural cooling, all auxiliary facilities and materials except the wrapping fusion body 5 are removed.
The utility model discloses an in some embodiments, above-mentioned be provided with semiconductor coating around package heat sealing body 5, it can provide splendid static electric conductive property, is one deck protection energy absorption layer, and it also can provide good protective properties that covers. In this embodiment, a semiconductor coating is sprayed on the lapping and welding body 5 in order to form a complete conductive layer on the surface of the insulating portion, so as to achieve the purpose of absorbing and shielding electromagnetic waves.
In some embodiments of the present invention, the semiconductor coating layer is provided with a third enclosure. In this embodiment, a semiconductor strip is wrapped outside the semiconductor coating to complete the repair of the outer shielding layer.
Waterproof mechanism includes armor 6, and armor 6 sets up in cable body 1, and filling glue 3 sets up between cable body 1 and armor 6, has solved the problem that conventional intermediate head's outside is waterproof among the prior art, the fire behavior is relatively poor.
The utility model discloses an in some embodiments, above-mentioned cable body 1 still is provided with copper mesh 2, and cable body 1 is connected with the copper braided wire, satisfies the electric current requirement that opens circuit.
The utility model discloses an in some embodiments, above-mentioned copper mesh 2 is provided with the self-adhesion adhesive tape layer, is provided with sealed glue 7 between self-adhesion adhesive tape layer and the copper mesh 2, is provided with the PVC adhesive tape layer outside the self-adhesion adhesive tape layer, and the PVC adhesive tape layer is provided with armor 6, is provided with the filling adhesive 3 between armor 6 and the PVC adhesive tape layer. In this embodiment, adopt copper mesh 2 to take the mode of lid with 1/2 to cable body 1 to wrap four layers including fixed the injecting glue mouth, take the mode of lid with 1/2 again and wrap one deck self-adhesive tape, and fill sealed glue 7, wrap two-layer PVC sticky tape after the injecting glue finishes, adopt filling glue 3 to fill at last. The filling adhesive 3 in the embodiment adopts the water-discharging, fireproof and flame-retardant high-insulation filling adhesive 3.
To sum up, the utility model discloses a theory of operation as follows:
s1, stripping and cutting the main insulated wire core of the cable body 1, exposing the conductor wire core of the cable body 1, stripping and cutting the outer shielding layer of the conductor wire core, connecting the stripped and cut conductor wire core with the two sections of conductor wire cores by adopting a conductor connecting pipe in a compression joint mode, and grinding and polishing the 4-bit surface of the compression joint part so as to ensure roundness;
s2, cleaning the exposed conductor wire core and the conductor connecting pipe to ensure that the technical requirements are met, and filling a gap between the conductor wire core and the conductor connecting pipe with a semi-conductive cross-linkable strip (semiconductor filler) to achieve smooth surface coverage;
s3, wrapping the conductor connecting pipe and the conductor wire core with two layers by adopting a semiconductor vulcanizing tape (a second wrapping body) in a 1/2 lap-covering mode, and finishing the surface smoothness of the connecting part so as to form an inner shielding layer;
s4, after all the crimping parts 4 are processed, a new main insulated wire core closing-in is formed, then a polyethylene strip (a first wrapping body) is used for wrapping multiple layers at the closing-in position in a wrapping mode, the number of layers reaches 10mm-20mm, the main insulated wire core is repaired, and a wrapping and welding body 5 is formed;
s5, mounting heating devices at two ends of the lapping and welding body 5, sleeving a prepared cold shrink pipe on an outer layer, uniformly and smoothly lapping the surface by adopting aluminum foil paper, then lapping a layer of heating tape, heating the inside and the outside simultaneously, starting the heating devices, heating for 1-2 hours at the heating temperature of 150-250 ℃ to reach the state that the polyethylene strip is molten, removing the heating devices, and removing all auxiliary facilities and materials except the lapping and welding body 5 after natural cooling;
s6, spraying a semiconductor coating on the lapping fusion body 5, and lapping by adopting a semiconductor strip (a third lapping body) to finish repairing of the outer shielding layer;
s7, connecting two copper braided wires at two ends of a copper mesh 2 wrapping cable body 1, wherein the number of the copper mesh 2 wrapping layers is four, fixing an adhesive injection port in the copper mesh 2 wrapping layer, wrapping a layer of self-adhesive tape, injecting adhesive by adopting sealant 7, wrapping two layers of PVC tapes after the adhesive injection is finished, wrapping two layers of armor layers 6, and filling waterproof, fireproof and flame-retardant high-insulation filling adhesive 3 between the armor layers 6 and the cable body 1.
The utility model adopts the technology of repairing the insulating body to the intermediate joint for connecting two sections of cables through the new structural design, thereby realizing seamless connection and complete water resistance; by adopting the lengthening connection process of the conductor connecting pipe, the mode that the intermediate joint and the cable are added in the emergency repair process of the traditional intermediate joint in the prior art is changed, and the intermediate joint and the cable are only restored in situ, so that the emergency repair cost is reduced, the operation safety coefficient of a cable line is improved, and the comprehensive emergency repair cost is reduced by 50% each time; the traditional welding type intermediate joint in the prior art adopts an external heating mode, so that the welding temperature is uneven, and the technology adopts a non-contact internal conductor heating mode, so that the welding uniformity of the wrapping material and the material dehumidifying function are better met; the cable intermediate head is intake and is mainly permeated water and the cable is inside to be filled not really by outside armor 6 to cause waterproof material to become invalid, this technique adopts armor 6 inside packing waterproof, fire-proof, fire-retardant high insulating filled gum 3 to solve above-mentioned problem.
To sum up, the embodiment of the utility model discloses an at least have following advantage or beneficial effect:
an embodiment of the utility model provides a 35kV and following cable are around package butt fusion formula intermediate head, and it includes cable body 1, is provided with the conductor sinle silk in the cable body 1, still includes coupling mechanism, insulating mechanism and waterproofing mechanism: the connecting mechanism comprises a conductor connecting pipe, and the conductor connecting pipe is in compression joint with the two sections of conductor wire cores to form a compression joint part 4; the utility model adopts the conductor connecting pipe, which solves the problem that the cable body 1 can not be connected on the premise that the length of the cable body 1 is not enough and the cable body 1 can not be increased; the insulating mechanism comprises a first wrapping body, the first wrapping body is arranged on the crimping part 4 to form a wrapping and welding body 5, and the first wrapping body is matched with the cable body 1; the first wrapping body with the same property as the cable body 1 is used as the main insulation of the cable body 1, so that various faults caused by water inflow of intermediate joints of most conventional conductor wire cores in the prior art are solved; waterproof mechanism includes armor 6, and armor 6 sets up in cable body 1, and filling glue 3 sets up between cable body 1 and armor 6, has solved the problem that conventional intermediate head's outside is waterproof among the prior art, the fire behavior is relatively poor.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a 35kV and following cable are around package butt fusion formula intermediate head, includes the cable body, this internal conductor sinle silk that is provided with of cable, its characterized in that still includes coupling mechanism, insulating mechanism and waterproof mechanism:
the connecting mechanism comprises a conductor connecting pipe, and the conductor connecting pipe is in compression joint with the two sections of conductor wire cores to form a compression joint part;
the insulating mechanism comprises a first wrapping body, the first wrapping body is arranged on the crimping part to form a wrapping welding body, and the first wrapping body is matched with the cable body;
the waterproof mechanism comprises an armor layer, the armor layer is arranged on the cable body, and filling glue is arranged on the armor layer.
2. The 35kV and below cable lapping and welding type intermediate joint as claimed in claim 1, wherein a semiconductor filler is arranged between the conductor connecting pipe and the conductor core.
3. The 35kV and below cable lapping and welding type intermediate joint according to claim 2, wherein the crimping portions are all provided as smooth surfaces.
4. The 35kV and below cable lapping and welding type intermediate joint as claimed in claim 3, wherein the crimping portion is provided with a second wrapping body.
5. The 35kV and below cable lapping fused intermediate joint as recited in claim 1, wherein the lapping fused body is provided with a semiconductor coating.
6. The 35kV and below cable lapping and welding type intermediate joint as claimed in claim 5, wherein the semiconductor coating is provided with a third lapping body.
7. The wrapped and fused intermediate joint of cables at 35kV and below according to claim 1, wherein the cable body is further provided with a copper mesh, and the cable body is connected with a copper braided wire.
8. The wrapped and fused intermediate joint for cables of 35kV and below according to claim 7, wherein the copper mesh is provided with a self-adhesive tape layer, a sealant is arranged between the self-adhesive tape layer and the copper mesh, a PVC tape layer is arranged outside the self-adhesive tape layer, the PVC tape layer is provided with an armor layer, and the filling adhesive is arranged between the armor layer and the PVC tape layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120220038.5U CN214124791U (en) | 2021-01-26 | 2021-01-26 | 35kV and following cable are around package butt fusion formula intermediate head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120220038.5U CN214124791U (en) | 2021-01-26 | 2021-01-26 | 35kV and following cable are around package butt fusion formula intermediate head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214124791U true CN214124791U (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120220038.5U Active CN214124791U (en) | 2021-01-26 | 2021-01-26 | 35kV and following cable are around package butt fusion formula intermediate head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214124791U (en) |
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2021
- 2021-01-26 CN CN202120220038.5U patent/CN214124791U/en active Active
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