CN205004066U - Underground is with preventing digging outage cable - Google Patents
Underground is with preventing digging outage cable Download PDFInfo
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- CN205004066U CN205004066U CN201520776669.XU CN201520776669U CN205004066U CN 205004066 U CN205004066 U CN 205004066U CN 201520776669 U CN201520776669 U CN 201520776669U CN 205004066 U CN205004066 U CN 205004066U
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Abstract
The utility model relates to a cable wire field, the more specifically underground is with preventing digging outage cable that says so, the steel wire piece is effectual have been prevented that the cable from burying and has been dug absolutely underground, prevents digging inlaying in the fault to have and crisscrossly each other prevents digging disconnected blade for the cable is dug disconnected risk greatly reduced, and the fire resistance of cable is good, and flexible height, long service life. The steel wire piece sets up in the inside of band, and wrap up in the outside of waterproof layer on the oversheath layer, prevents digging disconnected blade and inlay in preventing digging the fault, and the waterproof layer wraps up in the outside of preventing digging the fault, prevents digging the fault and wraps up in the outside of external insulation layer, and outer insulation layer package is in the outside of inner liner. The cable conductor sets up in the inside that separates the oxygen layer, the inside of shielding layer including the oxygen layer sets up, and the internal shield layer sets up in the inner insulating layer's inside, and the inner insulating layer sets up the inside at the surrounding layer. The even distribution of six surrounding layers is around the surrounding layer of center department. Fire -retardant parting bead setting is between two adjacent surrounding layers.
Description
Technical field
The utility model relates to cable and wire field, digs power-off cable more specifically to a kind of underground with anti-.
Background technology
Electric wire is electric energy transmitting, the signal of telecommunication and realize electromagnetic energy conversion wire product.Cable usually by transferring electric power or the signal of telecommunication cable core and play protection, the sheath of insulating effect forms.Only be commonly called electric wire containing a cable core and the thinner cable of diameter.Some electric wire does not have insulating sleeve, is called as bare wire yet.Cable core in cable is made up of the metal material that electric conductivity is good, usually uses copper or aluminium.
Cable is when laying, and a lot of needs are buried in underground, and this paving mode exists cable and dug disconnected risk, and once the pressure above cable is excessive, cable also can be out of shape breakage.In order to prevent cable from being dug disconnected and improving the compressive property of cable, design is a kind of anti-ly digs disconnected, and measuring body cable is necessary.
Summary of the invention
The technical problem that the utility model mainly solves is: provide a kind of underground to dig power-off cable with anti-, steel wire sheet effectively prevents cable to be embedded in underground to be dug disconnected, anti-dig in tomography to be inlaid with interlaced anti-ly dig disconnected blade, make cable be dug disconnected risk greatly to reduce, and the good flame resistance of cable, flexible high, long service life.
For solving the problems of the technologies described above, the utility model relates to cable and wire field, more particularly that power-off cable is dug with anti-in a kind of underground, comprise band, steel wire sheet, external sheath layer, watertight composition, prevent digging tomography, prevent digging disconnected blade, external insulation layer, inner covering, inorganic filling material, fire-retardant parting bead, gasket for packing, cable core, oxygen barrier layer, internal shield, inner insulating layer, surrounding layer and fire-retardant spacer ring, steel wire sheet effectively prevents cable to be embedded in underground to be dug disconnected, anti-dig in tomography to be inlaid with interlaced anti-ly dig disconnected blade, make cable be dug disconnected risk greatly to reduce, and the good flame resistance of cable, flexible high, long service life.
Band and steel wire sheet all have many, and steel wire sheet is arranged on the inside of band, and many bands are arranged on the outside of external sheath layer uniformly.External sheath layer contacts with watertight composition, and external sheath layer is wrapped in the outside of watertight composition.Prevent that digging disconnected blading digs in tomography anti-.Watertight composition digs tomography contact with anti-, and watertight composition is wrapped in the anti-outside digging tomography.Prevent that digging tomography contacts with external insulation layer, and prevent digging the outside that tomography is wrapped in external insulation layer.External insulation layer contacts with inner covering, and external insulation layer is wrapped in the outside of inner covering.Inorganic filling material, fire-retardant parting bead, gasket for packing, cable core, oxygen barrier layer, internal shield, inner insulating layer, surrounding layer and fire-retardant spacer ring are all arranged on the inside of inner covering.Cable core contacts with oxygen barrier layer, and cable core is arranged on the inside of oxygen barrier layer.Oxygen barrier layer contacts with internal shield, and oxygen barrier layer is arranged on the inside of internal shield.Internal shield contacts with inner insulating layer, and internal shield is arranged on the inside of inner insulating layer.Inner insulating layer contacts with surrounding layer, and inner insulating layer is arranged on the inside of surrounding layer.Fire-retardant parting bead, gasket for packing, cable core, oxygen barrier layer, internal shield, inner insulating layer and surrounding layer respectively have seven.One of them surrounding layer is arranged on the center of inner covering, and other six surrounding layers are evenly distributed in around the surrounding layer of center.Fire-retardant spacer ring is arranged on the outside of the surrounding layer of center.Fire-retardant parting bead is arranged between two adjacent surrounding layers.Six gasket for packings are evenly distributed in the inside of inner covering.Inorganic filling material fills the fire-retardant parting bead of full inner covering inside, gasket for packing, space between surrounding layer and fire-retardant spacer ring.
As the further optimization of the technical program, a kind of underground of the utility model with anti-digging external sheath layer described in power-off cable, watertight composition, it is anti-that to dig tomography, external insulation layer and inner covering coaxial.
As the further optimization of the technical program, a kind of underground of the utility model is coaxial with anti-cable core, oxygen barrier layer, internal shield, inner insulating layer and the surrounding layer dug described in power-off cable.
As the further optimization of the technical program, to dig described in power-off cable anti-digs disconnected blade and have multiple with anti-for a kind of underground of the utility model, multiple anti-dig disconnected blade interlaced be embedded in anti-digging in tomography.
As the further optimization of the technical program, a kind of underground of the utility model is composite glass fiber with the anti-anti-material digging disconnected blade dug described in power-off cable.
The anti-beneficial effect digging power-off cable in a kind of underground of the utility model is:
Power-off cable is dug with anti-in a kind of underground of the utility model, and steel wire sheet effectively prevents cable to be embedded in underground to be dug disconnected, prevents digging in tomography being inlaid with and interlaced anti-ly digs disconnected blade, make cable be dug disconnected risk greatly to reduce, and the good flame resistance of cable, flexible high, long service life.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and specific implementation method, the utility model is described in more detail.
Fig. 1 is the anti-structural representation digging power-off cable in a kind of underground of the utility model.
In figure: band 1; Steel wire sheet 2; External sheath layer 3; Watertight composition 4; Prevent digging tomography 5; Prevent digging disconnected blade 6; External insulation layer 7; Inner covering 8; Inorganic filling material 9; Fire-retardant parting bead 10; Gasket for packing 11; Cable core 12; Oxygen barrier layer 13; Internal shield 14; Inner insulating layer 15; Surrounding layer 16; Fire-retardant spacer ring 17.
Embodiment
Embodiment one:
Below in conjunction with Fig. 1, present embodiment is described, the utility model relates to cable and wire field, more particularly that power-off cable is dug with anti-in a kind of underground, comprise: band 1, steel wire sheet 2, external sheath layer 3, watertight composition 4, prevent digging tomography 5, prevent digging disconnected blade 6, external insulation layer 7, inner covering 8, inorganic filling material 9, fire-retardant parting bead 10, gasket for packing 11, cable core 12, oxygen barrier layer 13, internal shield 14, inner insulating layer 15, surrounding layer 16 and fire-retardant spacer ring 17, steel wire sheet effectively prevents cable to be embedded in underground to be dug disconnected, anti-dig in tomography to be inlaid with interlaced anti-ly dig disconnected blade, make cable be dug disconnected risk greatly to reduce, and the good flame resistance of cable, flexible high, long service life.
Band 1 and steel wire sheet 2 all have many, and steel wire sheet 2 is arranged on the inside of band 1, and many bands 1 are arranged on the outside of external sheath layer 3 uniformly; External sheath layer 3 contacts with watertight composition 4, and external sheath layer 3 is wrapped in the outside of watertight composition 4; Anti-dig disconnected blade 6 and be embedded in and anti-ly dig in tomography 5; Watertight composition 4 digs tomography 5 contact with anti-, and watertight composition 4 is wrapped in the anti-outside digging tomography 5; Prevent that digging tomography 5 contacts with external insulation layer 7, and prevent digging the outside that tomography 5 is wrapped in external insulation layer 7; External insulation layer 7 contacts with inner covering 8, and external insulation layer 7 is wrapped in the outside of inner covering 8.Band 1 makes cable have good anti-wear performance, and cable is when being dug, and it is disconnected that steel wire sheet 2 can stop cable to be dug further well, effectively protects the integrality of cable internal structure; External sheath layer 3 protects cable inside not to be mechanically damaged and chemical corrosion, strengthens the mechanical strength of cable; Watertight composition 4, for waterproof, avoids the generation of fire; Anti-dig inlay in tomography 5 interlaced anti-and dig disconnected blade 6 and greatly can reduce cable and dug disconnected risk, extend the useful life of cable; There is the effect of insulation the inside of external insulation layer 7 pairs of cables.
Inorganic filling material 9, fire-retardant parting bead 10, gasket for packing 11, cable core 12, oxygen barrier layer 13, internal shield 14, inner insulating layer 15, surrounding layer 16 and fire-retardant spacer ring 17 are all arranged on the inside of inner covering 8; Cable core 12 contacts with oxygen barrier layer 13, and cable core 12 is arranged on the inside of oxygen barrier layer 13; Oxygen barrier layer 13 contacts with internal shield 14, and oxygen barrier layer 13 is arranged on the inside of internal shield 14; Internal shield 14 contacts with inner insulating layer 15, and internal shield 14 is arranged on the inside of inner insulating layer 15; Inner insulating layer 15 contacts with surrounding layer 16, and inner insulating layer 15 is arranged on the inside of surrounding layer 16; Fire-retardant parting bead 10, gasket for packing 11, cable core 12, oxygen barrier layer 13, internal shield 14, inner insulating layer 15 and surrounding layer 16 respectively have seven; One of them surrounding layer 16 is arranged on the center of inner covering 8, and other six surrounding layers 16 are evenly distributed in the surrounding layer 16 of center around; Fire-retardant spacer ring 17 is arranged on the outside of the surrounding layer 16 of center; Fire-retardant parting bead 10 is arranged between two adjacent surrounding layers 16; Six gasket for packings 11 are evenly distributed in the inside of inner covering 8; Inorganic filling material 9 fills the fire-retardant parting bead 10 of full inner covering 8 inside, gasket for packing 11, space between surrounding layer 16 and fire-retardant spacer ring 17.Inorganic filling material 9, for the internal structure of attached cable, improves the mechanical strength of cable; Fire-retardant parting bead 10 is spaced apart by each cable core 12 of cable inside, avoids cable core 12 to contact with each other breaking out of fire, and plays fire retardation when cable accidental ignition, effectively stops spreading further of fire, the seriousness of reduction accident; Gasket for packing 11, when cable bend, by bending energy absorption, improves the flexibility of cable; Cable core 12 is main bodys of cable, the main ability playing conduction and signal transmission; Cable core 12 and air separate by oxygen barrier layer 13, greatly reduce the probability that fire occurs; Internal shield 14 by between cable inside cable heart yearn 12 separately, for cable core 12 provides a good operational environment, improve the stability of cable work; Inner insulating layer 15 has the effect of insulation further to cable; Fire-retardant spacer ring 17 improves the fire resistance of cable further.
Embodiment two:
Below in conjunction with Fig. 1, present embodiment is described, present embodiment is described further execution mode one, described external sheath layer 3, watertight composition 4, anti-to dig tomography 5, external insulation layer 7 and inner covering 8 coaxial, contributes to the stability improving the construction of cable, strengthen the mechanical strength of cable.
Embodiment three:
Below in conjunction with Fig. 1, present embodiment is described, present embodiment is described further execution mode one, described cable core 12, oxygen barrier layer 13, internal shield 14, inner insulating layer 15 and surrounding layer 16 are coaxial, contribute to the stability improving cable internal structure, strengthen the mechanical strength of cable.
Embodiment four:
Below in conjunction with Fig. 1, present embodiment is described, present embodiment is described further execution mode one, described anti-ly dig disconnected blade 6 and have multiple, multiple anti-dig disconnected blade 6 interlaced be embedded in anti-digging in tomography 5, greatly reduce cable and be embedded in underground and dug disconnected risk.
Embodiment five:
Below in conjunction with Fig. 1, present embodiment is described, present embodiment is described further execution mode one, the described anti-material digging disconnected blade 6 is composite glass fiber, composite glass fiber hardness is large, corrosion-resistant, can effectively prevent cable from being dug disconnected, contribute to the useful life extending cable simultaneously.
Certainly; above-mentioned explanation is not limitation of the utility model; the utility model is also not limited only to above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also belongs to protection range of the present utility model.
Claims (5)
1. power-off cable is dug with anti-in a underground, comprise band (1), steel wire sheet (2), external sheath layer (3), watertight composition (4), prevent digging tomography (5), prevent digging disconnected blade (6), external insulation layer (7), inner covering (8), inorganic filling material (9), fire-retardant parting bead (10), gasket for packing (11), cable core (12), oxygen barrier layer (13), internal shield (14), inner insulating layer (15), surrounding layer (16) and fire-retardant spacer ring (17), it is characterized in that: band (1) and steel wire sheet (2) all have many, steel wire sheet (2) is arranged on the inside of band (1), many bands (1) are arranged on the outside of external sheath layer (3) uniformly, external sheath layer (3) contacts with watertight composition (4), and external sheath layer (3) is wrapped in the outside of watertight composition (4), the anti-disconnected blade (6) that digs is embedded in and anti-ly digs in tomography (5), watertight composition (4) digs tomography (5) contact with anti-, and watertight composition (4) is wrapped in the anti-outside digging tomography (5), prevent that digging tomography (5) contacts with external insulation layer (7), and prevent digging the outside that tomography (5) is wrapped in external insulation layer (7), external insulation layer (7) contacts with inner covering (8), and external insulation layer (7) is wrapped in the outside of inner covering (8), inorganic filling material (9), fire-retardant parting bead (10), gasket for packing (11), cable core (12), oxygen barrier layer (13), internal shield (14), inner insulating layer (15), surrounding layer (16) and fire-retardant spacer ring (17) are all arranged on the inside of inner covering (8), cable core (12) contacts with oxygen barrier layer (13), and cable core (12) is arranged on the inside of oxygen barrier layer (13), oxygen barrier layer (13) contacts with internal shield (14), and oxygen barrier layer (13) is arranged on the inside of internal shield (14), internal shield (14) contacts with inner insulating layer (15), and internal shield (14) is arranged on the inside of inner insulating layer (15), inner insulating layer (15) contacts with surrounding layer (16), and inner insulating layer (15) is arranged on the inside of surrounding layer (16), fire-retardant parting bead (10), gasket for packing (11), cable core (12), oxygen barrier layer (13), internal shield (14), inner insulating layer (15) and surrounding layer (16) respectively have seven, one of them surrounding layer (16) is arranged on the center of inner covering (8), and other six surrounding layers (16) are evenly distributed in the surrounding layer (16) of center around, fire-retardant spacer ring (17) is arranged on the outside of the surrounding layer (16) of center, fire-retardant parting bead (10) is arranged between two adjacent surrounding layers (16), six gasket for packings (11) are evenly distributed in the inside of inner covering (8), inorganic filling material (9) fills the inner fire-retardant parting bead (10) of full inner covering (8), gasket for packing (11), space between surrounding layer (16) and fire-retardant spacer ring (17).
2. power-off cable is dug with anti-in a kind of underground according to claim 1, it is characterized in that: described external sheath layer (3), watertight composition (4), anti-ly dig tomography (5), external insulation layer (7) and inner covering (8) coaxially.
3. power-off cable is dug with anti-in a kind of underground according to claim 1, it is characterized in that: described cable core (12), oxygen barrier layer (13), internal shield (14), inner insulating layer (15) and surrounding layer (16) are coaxial.
4. power-off cable is dug with anti-in a kind of underground according to claim 1, it is characterized in that: the described anti-disconnected blade (6) that digs has multiple, multiple anti-dig disconnected blade (6) interlaced be embedded in anti-digging in tomography (5).
5. power-off cable is dug with anti-in a kind of underground according to claim 1, it is characterized in that: the described anti-material digging disconnected blade (6) is composite glass fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520776669.XU CN205004066U (en) | 2015-10-09 | 2015-10-09 | Underground is with preventing digging outage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520776669.XU CN205004066U (en) | 2015-10-09 | 2015-10-09 | Underground is with preventing digging outage cable |
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| Publication Number | Publication Date |
|---|---|
| CN205004066U true CN205004066U (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520776669.XU Active CN205004066U (en) | 2015-10-09 | 2015-10-09 | Underground is with preventing digging outage cable |
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| Country | Link |
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| CN (1) | CN205004066U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869727A (en) * | 2016-06-15 | 2016-08-17 | 常州市武进科宇通信设备有限公司 | Waterproof and pressure resistant cable |
| CN108777194A (en) * | 2018-05-03 | 2018-11-09 | 安徽宝鑫机电设备工程有限公司 | A kind of fireproof alarming cable |
| CN112700911A (en) * | 2020-12-17 | 2021-04-23 | 钟为福 | Waterproof ventilative type prevents to miss disconnected underground cable of digging |
| CN113205909A (en) * | 2021-05-07 | 2021-08-03 | 安徽金环电气设备有限责任公司 | Buried composite cable with good protection effect |
| CN113470880A (en) * | 2021-07-19 | 2021-10-01 | 江苏亨通线缆科技有限公司 | Dca-level environment-friendly micro hybrid cable |
-
2015
- 2015-10-09 CN CN201520776669.XU patent/CN205004066U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869727A (en) * | 2016-06-15 | 2016-08-17 | 常州市武进科宇通信设备有限公司 | Waterproof and pressure resistant cable |
| CN108777194A (en) * | 2018-05-03 | 2018-11-09 | 安徽宝鑫机电设备工程有限公司 | A kind of fireproof alarming cable |
| CN112700911A (en) * | 2020-12-17 | 2021-04-23 | 钟为福 | Waterproof ventilative type prevents to miss disconnected underground cable of digging |
| CN112700911B (en) * | 2020-12-17 | 2022-04-12 | 河北嘉德电力器材有限公司 | Waterproof ventilative type prevents to miss disconnected underground cable of digging |
| CN113205909A (en) * | 2021-05-07 | 2021-08-03 | 安徽金环电气设备有限责任公司 | Buried composite cable with good protection effect |
| CN113470880A (en) * | 2021-07-19 | 2021-10-01 | 江苏亨通线缆科技有限公司 | Dca-level environment-friendly micro hybrid cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 102488 Room 101, floor 1, building 2, yard 8, Yanzhong street, Fangshan District, Beijing Patentee after: BEIJING HEAVY CABLE WORKS Address before: 102401 Beijing City, Fangshan District Fangshan Industrial Park East Yan Fu Road No. 1 -6 Patentee before: BEIJING HEAVY CABLE WORKS |
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| CP02 | Change in the address of a patent holder |