CN220290494U - Halogen-free low-smoke fire-resistant power cable - Google Patents
Halogen-free low-smoke fire-resistant power cable Download PDFInfo
- Publication number
- CN220290494U CN220290494U CN202321698328.6U CN202321698328U CN220290494U CN 220290494 U CN220290494 U CN 220290494U CN 202321698328 U CN202321698328 U CN 202321698328U CN 220290494 U CN220290494 U CN 220290494U
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- Prior art keywords
- sleeve
- core
- fire
- cover
- cable
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- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 23
- 239000000779 smoke Substances 0.000 title claims abstract description 21
- 239000003063 flame retardant Substances 0.000 claims description 40
- 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 28
- 210000000988 bone and bone Anatomy 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 22
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
Landscapes
- Insulating Bodies (AREA)
Abstract
The utility model discloses a halogen-free low-smoke fire-resistant power cable, which comprises a core cable, and further comprises an insulating sleeve, a lining joint, a multi-layer rubber sleeve, a fire-resistant filling sleeve, a fire-resistant sleeve, a woven shielding net sleeve, a wear-resistant rubber sleeve and a core rope, wherein the outer surface of the core cable is provided with the insulating sleeve for coating a cable body, the lining joint is formed by connecting arc connecting plates between supporting plates protruding outside a core pipe, after the insulating sleeve is arranged outside the core cable, a plurality of groups of lining joints are penetrated and connected through the core rope to form a ridge-like protective structure for the core cable to penetrate through with the insulating sleeve, so as to provide deformation resistance protection for the core cable, and then the flame-resistant filling sleeve, the multi-layer rubber sleeve, the fire-resistant sleeve, the woven shielding net sleeve and the wear-resistant rubber sleeve are sequentially arranged outside the lining joint for carrying out sleeve protection, so that the multi-layer structure outside the core cable is subjected to fire resistance and stress breakage resistance protection.
Description
Technical Field
The utility model relates to the technical field of fire-resistant cables, in particular to a halogen-free low-smoke fire-resistant power cable.
Background
The cable is an electric energy or signal transmission device, and is usually composed of several or several groups of wires, the power cable is mainly used for strong electric energy transmission in the power transmission, distribution, transmission, transformation and supply lines, and the low-smoke halogen-free cable which is commonly used can be called an environment-friendly cable through high current of tens of amperes to thousands of amperes and high voltage of 220V to 500kV or more, and the low-smoke halogen-free cable is mostly used in places with strict requirements on environmental sanitation, is a very environment-friendly cable, has good smoke degree during combustion, does not have corrosive gas escape, and is widely applied to various fields.
However, the low-smoke halogen-free power cable used at present is easy to extrude the inner core cable by the flame retardant material after being filled with the flame retardant material, the flexibility of the cable is low, the protective layer outside the cable is damaged by bending for a long time, the filler of the flame retardant material is easy to leak out, and the cable is easy to be damaged by external pressure in the dragging and using process, so that the core cable is damaged.
Disclosure of Invention
The utility model mainly aims to provide a halogen-free low-smoke fire-resistant power cable, wherein an insulating sleeve is arranged outside a core cable and then is plugged into a plurality of groups of lining segments connected by core ropes, the lining segments of the plurality of groups are penetrated and connected by the core ropes to form a ridge-like protection structure for the core cable to pass through with the insulating sleeve to provide deformation resistance protection for the core cable, and then a flame-retardant filling sleeve, a multi-layer rubber sleeve, a flame-retardant fire-resistant sleeve, a woven shielding net sleeve and a wear-resistant rubber sleeve are sequentially arranged outside the lining segments to conduct sleeve protection, so that the core cable is provided with a multi-layer structure for flame retardance and stress breakage resistance protection.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a halogen-free low smoke fire-resistant power cable, includes the core cable, still includes insulating cover, lining bone festival, compound layer gum cover, fire-retardant packing cover, fire-retardant fire-resistant cover, braided shield net cover, wear-resisting gum cover and core rope, the surface of core cable is equipped with the insulating cover of cladding cable body, lining bone festival comprises connecting arc connection board between the bellied extension board in core pipe outside, and passes the core cable that has the outer insulating cover in the accent between core pipe, extension board and the arc connection board, lining bone festival overcoat is equipped with compound layer gum cover, and is filled with the fire-retardant packing cover of parcel lining bone festival between the interior sleeve face of lining bone festival and compound layer gum cover, the outer layer by layer cover of the cover of compound layer gum cover is equipped with fire-retardant fire-resistant cover, braided shield net cover and wear-resisting gum cover, pass in the body of core pipe.
Further, support plates are distributed on the outer tube wall of the core tube in a cross manner, and arc connection plates are connected between the cross-shaped plate bodies of the support plates; the branch plates distributed in a cross way outside the core tube can be connected with the arc connecting plates to form a lining joint, and the cavity openings in the lining joint can pass through the core cable.
Further, the rope body of the core rope is a flame-retardant flexible rope body, and the rope body of the core rope penetrates through the pipe hole in the middle of the core pipe; after passing through the core tube, the core rope of the flexible flame-retardant rope body can be connected with a plurality of groups of lining bone segments to form a protection structure similar to a spine.
Further, the flame-retardant filling sleeve is a sleeve body formed by filling flame-retardant materials between the multi-layer rubber sleeve and the lining bone joint; the flame-retardant filling sleeve can be formed after the flame-retardant material is filled between the multi-layer rubber sleeve and the lining bone joint.
Further, the diameter of the sleeve body of the insulating sleeve sleeved on the core cable is smaller than the size of the cavity opening among the core tube, the support plate and the arc connecting plate; the core cable can pass through the cavity opening among the core pipe, the support plate and the arc connecting plate after being sheathed with the insulating sleeve.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the insulation sleeve is arranged outside the core cable and then is plugged into a plurality of groups of lining segments connected by the core ropes, the plurality of groups of lining segments are penetrated and connected by the core ropes to form the ridge-like protection structure for the core cable to pass through with the insulation sleeve so as to provide deformation resistance protection for the core cable, and then the flame-retardant filling sleeve, the multi-layer rubber sleeve, the flame-retardant fireproof sleeve, the woven shielding net sleeve and the wear-resistant rubber sleeve are sequentially arranged outside the lining segments to conduct sleeve protection, so that the core cable is provided with a multi-layer structure for flame retardance and stress breakage resistance protection.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a halogen-free low-smoke fire-resistant power cable according to the utility model.
Fig. 2 is an exploded view of a halogen-free low smoke fire resistant power cable of the present utility model.
In the figure: 1. a core cable; 2. an insulating sleeve; 3. lining bone segments; 301. a core tube; 302. a support plate; 303. an arc connecting plate; 4. a multi-layer rubber sleeve; 5. a flame retardant refractory sleeve; 6. flame-retardant winding belt sleeve; 7. braiding a shielding net sleeve; 8. wear-resistant rubber sleeves; 9. a core rope.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-2, the halogen-free low-smoke fire-resistant power cable comprises a core cable 1, and further comprises an insulating sleeve 2, a bone-lining joint 3, a multi-layer rubber sleeve 4, a fire-retardant filling sleeve 5, a fire-retardant fire-resistant sleeve 6, a woven shielding net sleeve 7, a wear-resistant rubber sleeve 8 and a core rope 9, wherein the insulating sleeve 2 for coating the cable body is arranged on the outer surface of the core cable 1, the bone-lining joint 3 is formed by connecting arc connecting plates 303 between protruding support plates 302 on the outer side of a core tube 301, core cables 1 with the outer insulating sleeve 2 penetrate through cavity openings between the core tube 301, the support plates 302 and the arc connecting plates 303, the multi-layer rubber sleeve 4 is sleeved outside the bone-lining joint 3, the fire-retardant filling sleeve 5 for wrapping the bone-lining joint 3 is filled between the inner sleeve surfaces of the multi-layer rubber sleeve 4, the fire-retardant fire-resistant sleeve 6, the woven shielding net sleeve 7 and the wear-resistant rubber sleeve 8 are sleeved outside the sleeve body layer by layer, and the core rope 9 penetrates through the core rope 9.
Wherein, the outer tube wall of the core tube 301 is distributed with support plates 302 in a cross manner, and arc connecting plates 303 are connected between the cross-shaped plate bodies of the support plates 302; the cross-shaped support plates 302 outside the core tube 301 can be connected with the arc connecting plates 303 to form the bone lining joint 3, and the cavity openings in the bone lining joint 3 can pass through the core cable 1.
Wherein the rope body of the core rope 9 is a flame-retardant flexible rope body, and the rope body of the core rope 9 passes through the pipe hole in the middle of the core pipe 301; after passing through the core tube 301, the core rope 9 of the flexible flame-retardant rope body can be connected with a plurality of groups of lining segments 3 to form a protection structure similar to a ridge column.
Wherein, the flame-retardant filling sleeve 5 is a sleeve body formed by filling flame-retardant materials between the multi-layer rubber sleeve 4 and the bone lining joint 3; the flame-retardant filling sleeve 5 can be formed after the flame-retardant material is filled between the multi-layer rubber sleeve 4 and the bone lining joint 3.
The diameter of the sleeve body of the insulating sleeve 2 sleeved on the core cable 1 is smaller than the size of the cavity opening among the core tube 301, the support plate 302 and the arc connecting plate 303; the core cable 1 can pass through the cavity openings among the core tube 301, the support plate 302 and the arc connecting plate 303 after being sheathed with the insulating sleeve 2.
It should be noted that the utility model relates to a halogen-free low-smoke fire-resistant power cable, which is characterized in that an insulating sleeve 2 is arranged outside a core cable 1 and then is plugged into a cavity opening of a lining joint 3, a plurality of groups of lining joints 3 can be arranged outside the core cable 1 sleeved with the insulating sleeve 2 according to the length, a plurality of groups of lining joints 3 can pass through a core pipe 301 through a core rope 9 to connect the lining joints 3, then a flame-retardant filling sleeve 5, a multi-layer rubber sleeve 4, a flame-retardant fire-resistant sleeve 6, a woven shielding net sleeve 7 and a wear-resistant rubber sleeve 8 are sequentially arranged outside the lining joints 3 to carry out sleeve protection, so that the core cable 1 is provided with a multi-layer structure to carry out flame retardance and stress breakage resistance protection, and the lining joints 3 formed by the core pipe 301, a support plate 302 and an arc connecting plate 303 can be connected in a plurality of groups through the core rope 9 to form a ridge-like protection structure for the core cable 1 to pass through the insulating sleeve 2 so as to provide deformation resistance protection for the core cable 1, and the flame-resistant rubber sleeve 5, the flame-retardant filling sleeve 6, the flame-retardant rubber sleeve 6 and the wear-resistant rubber sleeve 8 can be made of halogen-free low-smoke-resistant material.
It should be noted that the present utility model is a halogen-free low smoke fire-resistant power cable, the components in the present utility model are all components known to those skilled in the art, and the structures and principles thereof are all known to those skilled in the art through technical manuals or through routine experimental methods.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a halogen-free low smoke and fire-resistant power cable, includes core cable (1), its characterized in that: still include insulating cover (2), lining bone festival (3), compound layer gum cover (4), fire-retardant packing sleeve (5), fire-retardant fire-resistant cover (6), weave shielding net cover (7), wear-resisting gum cover (8) and core rope (9), the surface of core cable (1) is equipped with insulating cover (2) of cladding cable body, lining bone festival (3) are connected arc between protruding extension board (302) in core tube (301) outside and are linked board (303) and constitute, and pass core cable (1) that has outer insulating cover (2) in the accent between core tube (301), extension board (302) and the arc linking board (303), lining bone festival (3) overcoat is equipped with compound layer gum cover (4), and fill between the endotheca face of lining bone festival (3) and compound layer gum cover (4) have fire-retardant packing cover (5) of parcel bone festival (3), the cover of compound layer gum cover (4) is equipped with fire-retardant cover (6), weave shielding net cover (7) and wear-resisting gum cover (8), pass in the core rope (9) of core tube (301) by layer.
2. A halogen-free low smoke refractory power cable according to claim 1, wherein: the outer tube wall of the core tube (301) is distributed with support plates (302) in a cross manner, and arc connection plates (303) are connected between the cross-shaped plate bodies of the support plates (302).
3. A halogen-free low smoke refractory power cable according to claim 1, wherein: the rope body of the core rope (9) is a flame-retardant flexible rope body, and the rope body of the core rope (9) penetrates through the pipe hole in the middle of the core pipe (301).
4. A halogen-free low smoke refractory power cable according to claim 1, wherein: the flame-retardant filling sleeve (5) is a sleeve body formed by filling flame-retardant materials between the multi-layer rubber sleeve (4) and the lining bone joint (3).
5. A halogen-free low smoke refractory power cable according to claim 1, wherein: the diameter of the sleeve body of the insulating sleeve (2) sleeved on the core cable (1) is smaller than the size of the cavity opening among the core tube (301), the support plate (302) and the arc connecting plate (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321698328.6U CN220290494U (en) | 2023-06-30 | 2023-06-30 | Halogen-free low-smoke fire-resistant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321698328.6U CN220290494U (en) | 2023-06-30 | 2023-06-30 | Halogen-free low-smoke fire-resistant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220290494U true CN220290494U (en) | 2024-01-02 |
Family
ID=89331986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321698328.6U Active CN220290494U (en) | 2023-06-30 | 2023-06-30 | Halogen-free low-smoke fire-resistant power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220290494U (en) |
-
2023
- 2023-06-30 CN CN202321698328.6U patent/CN220290494U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |