CN217361211U - Rubber high-voltage cable with strippable outer screen - Google Patents
Rubber high-voltage cable with strippable outer screen Download PDFInfo
- Publication number
- CN217361211U CN217361211U CN202220732304.7U CN202220732304U CN217361211U CN 217361211 U CN217361211 U CN 217361211U CN 202220732304 U CN202220732304 U CN 202220732304U CN 217361211 U CN217361211 U CN 217361211U
- Authority
- CN
- China
- Prior art keywords
- insulating layer
- cable
- rubber high
- shielding
- strippable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052802 copper Inorganic materials 0.000 claims abstract description 27
- 239000010949 copper Substances 0.000 claims abstract description 27
- 239000004020 conductor Substances 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 5
- 239000003063 flame retardant Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The utility model relates to the technical field of cables, a outer screen strippable rubber high tension cable is disclosed, including main cable, the main cable inlayer is equipped with a plurality of inner cores, the inner core is equipped with the insulating layer outward, the insulating layer is equipped with the outer shielding layer outward, the outer shielding layer is including establishing the metallic shield net at the insulating layer middle part, and establish the shielding subassembly at the insulating layer both ends, the shielding subassembly includes a plurality of copper strips that set up side by side, copper strips one end is equipped with elastic bulge, the copper strips other end is equipped with spacing, the spacing groove has been seted up on spacing, the spacing groove cooperatees with spacing, be equipped with the sheath outside the outer shielding layer, the sheath inboard is equipped with the draw-in groove, draw-in groove and elastic bulge and spacing cooperate. The utility model relates to an outer screen strippable rubber high tension cable's outer semiconductive shield layer strips conveniently, easy operation, and can not cause the damage to the insulating layer.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to an outer screen strippable rubber high tension cable.
Background
Cables are typically formed by twisting several or groups of at least two conductors, each group insulated from each other and often twisted around a center, with a highly insulating covering over the entire circumference. The cable has the characteristics of internal electrification and external insulation.
Currently, during installation of a power cable, the end of the cable must be stripped of a length of outer semiconductive shield. The traditional stripping method is that an electrician knife or a sharp steel knife is used to slightly and circularly cut the outer semi-conductive shielding layer for one circle by a hand-held cutter, then a plurality of scratches are longitudinally cut on the outer circle of the outer semi-conductive shielding layer, then a vice is used to clamp a part of the semi-conductive shielding layer which is cut at the end part and is upwards pulled to a circular cutting section, and a plurality of strips are stripped. Because the main insulating layer is arranged in the outer semi-conductive shielding layer of the power cable, the knife tip cannot hurt the main insulating layer when the outer semi-conductive shielding layer is cut according to the technical requirements, the force is difficult to hold during operation, the knife easily slides out to hurt hands, and the requirement on an operator is high. Therefore, a cable with an easily stripped outer semiconductive shield is needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a rubber high tension cable that outer screen strippable, the outer shielding layer of intention is solving current cable and is peeled off the problem of difficulty.
The utility model discloses an above-mentioned technical problem is solved to following technical means:
the utility model provides an outer screen strippable rubber high tension cable, includes main cable, the main cable inlayer is equipped with a plurality of inner cores, the inner core is equipped with the insulating layer outward, the insulating layer is equipped with outer shielding layer outward, outer shielding layer is including establishing the metallic shield net at the insulating layer middle part to and establish the shielding subassembly at the insulating layer both ends, shielding subassembly includes a plurality of copper strips that set up side by side, copper strips one end is equipped with elastic bulge, the copper strips other end is equipped with spacing, spacing groove has been seted up on the spacing, spacing groove and spacing cooperate, the outer shielding layer is equipped with the sheath outward, the sheath inboard is equipped with the draw-in groove, the draw-in groove cooperatees with elastic bulge and spacing.
By adopting the technical scheme, when the outer semi-conductive shielding layer at the end part of the cable needs to be stripped, the length is measured according to the requirement, then the sheath at the end part of the cable is removed by circular cutting, then the limiting strip and the elastic bulge are separated, and the copper strip is taken down.
Furthermore, a plug is arranged on one side of the copper strip, a slot is arranged on the other side of the copper strip, and the plug is matched with the slot.
By the aid of the structural design, the adjacent copper strips can be stably connected together through the plug and the slot, gaps do not exist between the adjacent copper strips, and the shielding effect is better.
Furthermore, the elastic bulges and the limiting strips are provided with shielding coatings.
Due to the structural design, the elastic bulges and the limiting strips also have a shielding effect.
Furthermore, support rings with uniform intervals are arranged in the sheath, and through grooves are formed in the support rings.
By adopting the structural design, the pressure resistance of the sheath can be improved by the support ring, and the protection effect on the inner core is better. The through groove on the support ring can reduce the weight of the support ring, the manufacturing cost is lower, and the support effect of the support ring is not influenced.
Further, the inner core comprises a plurality of conductors, reinforcing wires are arranged in the middle of the conductors, the conductors are wound by taking the reinforcing wires as axes, and barrier layers are arranged outside the conductors.
By means of the structural design, the stability and the toughness of conductor splicing winding can be improved through the reinforcing wire.
Further, the insulating layer is filled with a flame retardant material.
By means of the structural design, the inner core can be divided by the flame-retardant material, and the inner core is prevented from being burnt excessively.
Has the advantages that:
the utility model relates to an outer screen strippable rubber high-voltage cable is equipped with inner core, insulating layer, sheath, metallic shield net, copper strips, elastic bulge and spacing, makes the outer semi-conductive shielding layer at cable both ends convenient for strip, does not influence the whole shielding effect of cable simultaneously, separates elastic bulge and spacing, can take off the copper strips fast, and is easy and simple to handle, and can not cause the damage to the insulating layer; the utility model discloses the cable still is equipped with the support ring, can improve the protection effect of sheath to the cable, and compressive capacity is stronger.
Drawings
Fig. 1 is a front sectional view of the rubber high-voltage cable with a strippable outer shield of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a side sectional view of the rubber high-voltage cable with a strippable outer shield according to the present invention;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is a schematic structural view of the external screen peelable rubber high-voltage cable support ring of the present invention;
FIG. 6 is a schematic structural view of a copper strip of a strippable rubber high-voltage cable with an external shield according to the present invention;
the reference numbers in the figures are as follows: the cable comprises an inner core 1, an insulating layer 2, a sheath 3, a metal shielding net 4, a copper strip 5, an elastic bulge 6, a limiting strip 7, a limiting groove 8, a clamping groove 9, a plug 10, a slot 11, a supporting ring 12, a conductor 13, a reinforcing wire 14, a blocking layer 15 and a flame retardant material 16.
Detailed Description
The following description is given for illustrative embodiments of the invention and to enable those skilled in the art to understand the advantages and effects of the invention from the disclosure of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrative purposes, and are only schematic drawings rather than actual drawings, which should not be construed as limiting the invention, and in order to better illustrate the embodiments of the invention, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "front", "back", etc. indicating the orientation or position relationship based on the orientation or position relationship shown in the drawings, it is only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, therefore the terms describing the position relationship in the drawings are used only for exemplary illustration, and not for limiting the present invention, and those skilled in the art can understand the specific meaning according to the specific situation.
As shown in fig. 1-6, the utility model discloses a rubber high tension cable that outer screen strippable, including the main cable, the main cable inlayer is equipped with three inner core 1, and every inner core 1 is inside all to wrap up a plurality of conductors 13, and the conductor 13 middle part is provided with reinforced line 14, and conductor 13 uses reinforced line 14 to twine as the axis, and conductor 13 is provided with barrier layer 15 outward. An insulating layer 2 is arranged outside the inner core 1, and a flame retardant material 16 is filled between the insulating layer 2 and the inner core 1. The circumference outside of insulating layer 2 is provided with outer shielding layer, and outer shielding layer is including establishing the metallic shield net 4 in insulating layer 2 middle section to and establish the shielding subassembly at insulating layer 2 both ends.
The shielding component comprises a plurality of copper strips 5 which are arranged in parallel, and after two ends of the copper strips 5 are enclosed, a ring wrapping the insulating layer 2 is formed. The right end of the copper strip 5 is provided with an elastic bulge 6, the left end of the copper strip 5 is fixedly connected with a limiting strip 7, a limiting groove 8 is formed in the limiting strip 7, the limiting groove 8 is matched with the limiting strip 7, and the elastic bulge 6 and the limiting strip 7 are both provided with shielding coatings. The left side of the copper strip 5 is provided with a plug 10, the right side of the copper strip 5 is provided with a slot 11, and the plug 10 is matched with the slot 11. The outside of outer shielding layer is provided with sheath 3, and 3 inboards of sheath are equipped with draw-in groove 9, and draw-in groove 9 cooperatees with elastic bulge 6 and spacing 7. The jacket 3 is also internally provided with support rings 12 with uniform intervals, and the support rings 12 are provided with through grooves.
When the outer semi-conductive shielding layer of cable tip is peeled off to needs, when carrying out cable erection or detection, get according to the requirement earlier the utility model discloses cable length, then the girdling gets rid of cable tip's sheath 3, later separates spacing 7 and elastic bulge 6, take off copper strips 5 can, easy and simple to handle, and can not cause fish tail and damage to the insulating layer 2 of cable.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the technical solutions of the present invention can be modified or replaced with other equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (6)
1. The utility model provides an outer screen strippable rubber high tension cable which characterized in that: comprises a main cable, wherein the inner layer of the main cable is provided with a plurality of inner cores (1), an insulating layer (2) is arranged outside the inner cores (1), an outer shielding layer is arranged outside the insulating layer (2), the outer shielding layer comprises a metal shielding net (4) arranged in the middle of the insulating layer (2), and shielding components arranged at two ends of the insulating layer (2), wherein the shielding components comprise a plurality of copper strips (5) arranged in parallel, one end of the copper strip (5) is provided with an elastic bulge (6), the other end of the copper strip (5) is provided with a limit strip (7), the limiting strip (7) is provided with a limiting groove (8), the limiting groove (8) is matched with the limiting strip (7), a sheath (3) is arranged outside the outer shielding layer, a clamping groove (9) is arranged on the inner side of the sheath (3), the clamping groove (9) is matched with the elastic bulge (6) and the limiting strip (7).
2. The rubber high-voltage cable with the strippable outer screen as claimed in claim 1, wherein: a plug (10) is arranged on one side of the copper strip (5), a slot (11) is arranged on the other side of the copper strip (5), and the plug (10) is matched with the slot (11).
3. The rubber high-voltage cable with the strippable outer screen as claimed in claim 1, wherein: and the elastic bulge (6) and the limiting strip (7) are provided with shielding coatings.
4. The rubber high-voltage cable with the strippable outer screen as claimed in claim 1, wherein: support rings (12) with uniform intervals are arranged in the sheath (3), and through grooves are formed in the support rings (12).
5. The rubber high-voltage cable with the strippable outer screen as claimed in claim 1, wherein: the inner core (1) comprises a plurality of conductors (13), reinforcing wires (14) are arranged in the middles of the conductors (13), the conductors (13) are wound by taking the reinforcing wires (14) as axes, and barrier layers (15) are arranged outside the conductors (13).
6. The rubber high-voltage cable with the strippable outer screen as claimed in claim 1, wherein: and the insulating layer (2) is filled with a flame-retardant material (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220732304.7U CN217361211U (en) | 2022-03-31 | 2022-03-31 | Rubber high-voltage cable with strippable outer screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220732304.7U CN217361211U (en) | 2022-03-31 | 2022-03-31 | Rubber high-voltage cable with strippable outer screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217361211U true CN217361211U (en) | 2022-09-02 |
Family
ID=83053966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220732304.7U Expired - Fee Related CN217361211U (en) | 2022-03-31 | 2022-03-31 | Rubber high-voltage cable with strippable outer screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217361211U (en) |
-
2022
- 2022-03-31 CN CN202220732304.7U patent/CN217361211U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |