CN204651081U - A kind of high-strength insulating cable - Google Patents
A kind of high-strength insulating cable Download PDFInfo
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- CN204651081U CN204651081U CN201520399239.0U CN201520399239U CN204651081U CN 204651081 U CN204651081 U CN 204651081U CN 201520399239 U CN201520399239 U CN 201520399239U CN 204651081 U CN204651081 U CN 204651081U
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- intracellular signaling
- cable
- sheath
- cable core
- armour
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Abstract
The utility model provides a kind of high-strength insulating cable, at least comprise cable core and be wrapped in the sheath outside cable core, described sheath is sandwich construction, be followed successively by inner sheath, insulating barrier, armour, reinforced layer and oversheath from the inside to the outside, more than 2 reinforcements are circumferentially evenly equipped with in described reinforced layer, each reinforcement is all parallel to each other with cable core, is provided with Ceramic silicon rubber composite tape layers between armour and reinforced layer, and Ceramic silicon rubber composite band is helically wound around outside armour; Described cable core comprises 3 ~ 6 intracellular signaling unit, and be provided with the divider for separating of intracellular signaling unit between adjacent 2 intracellular signaling unit, each divider is connected near the end in cable core axle center, the other end and inner sheath close contact; The cable that the utility model provides has multiple reinforcement structure, and intensity is high, tension compressive property is good, has good insulation and fire protecting performance simultaneously, and the structure of this cable is applicable to optical cable, cable and optoelectronic composite cable.
Description
Technical field
The utility model relates to a kind of communication cables, belongs to communication engineering technical field.
Background technology
Existing communication cable (optical cable, cable, optoelectronic composite cable), usual tension and anti-pressure ability poor, be applied in compare in rugged environment and easily damage, especially external impacts is subject to, as in work progress, frequent generation sheath punctures the rear situation directly injuring inner cable core or cable core is hit flat damage, and easy breakage causes communication disruption, and safety and stability is poor; The cable core of optical cable is optical fiber, and optical fiber is fragile material, and mechanical performance is poor, usually causes the damage of optical fiber even to fracture when therefore cable is subject to external impacts, and is difficult to repair, and have impact on the reliability of communication line.The cable core of optical cable is conductor, and conductor is subject to electromagnetic interference, and Signal transmissions is unstable, have impact on the reliability that communication line and equipment are powered.The cable core of optoelectronic composite cable comprises optical fiber and conductor, therefore there is the problem of above two aspects simultaneously.And there is the cable of tensile elements more on the market, be also all generally adopt steel wire to make tensile elements, therefore the unit kilometer weight ratio of cable is heavier, bothers during construction.
Summary of the invention
The purpose of this utility model is to solve the deficiencies in the prior art, and provides one to have multiple reinforcement structure, and intensity is high, tension compressive property is good, has good insulation and the cable of fire protecting performance simultaneously.
Realizing the technical scheme that the utility model object adopts is, a kind of high-strength insulating cable, at least comprise cable core and be wrapped in the sheath outside cable core, described sheath is sandwich construction, be followed successively by inner sheath, insulating barrier, armour, reinforced layer and oversheath from the inside to the outside, circumferentially be evenly equipped with more than 2 reinforcements in described reinforced layer, each reinforcement is all parallel to each other with cable core; Described cable core comprises 3 ~ 6 intracellular signaling unit, and be provided with the divider for separating of intracellular signaling unit between adjacent 2 intracellular signaling unit, each divider is connected near the end in cable core axle center, the other end and inner sheath close contact.
Be provided with Ceramic silicon rubber composite tape layers between described armour and reinforced layer, Ceramic silicon rubber composite band is helically wound around outside armour.
Described cable core comprises 4 ~ 6 intracellular signaling unit, intracellular signaling unit is made up of intracellular signaling element group and the pe sheath be closely wrapped in outside intracellular signaling element group, intracellular signaling element group comprises 3 ~ 6 intracellular signaling elements, and the intracellular signaling number of elements of each intracellular signaling unit is identical.
Described intracellular signaling element is the composition element of optical fiber, oxygen-free copper conductor or optical fiber and oxygen-free copper conductor.
Described divider is cross one another plastic-steel frame.
Described inner sheath and oversheath are LSOH anti-flaming sheath.
Described insulating barrier is the high density polyethylene (HDPE) foaming bed of material.
Described armour is two galvanized steel strip armours.
Described reinforced layer is flame-retardant chemigum rubber layer, and reinforcement is FRP rod.
As shown from the above technical solution, the high-strength insulating cable that the utility model provides, sheath is sandwich construction, be followed successively by inner sheath, insulating barrier, armour, reinforced layer and oversheath from the inside to the outside, reinforcement wherein in insulating barrier, reinforced layer and reinforced layer is made by non-metal insulating material, play the effect of multi-insulation, avoid cable core to be subject to electromagnetic interference to reduce the infringement of thunder and lightning to cable simultaneously; Oversheath, reinforcement, inner sheath and armour effectively can ensure the intensity of cable, and each reinforcement is all parallel to each other with cable core, namely disperse the external force that cable core bears when tension and axial compression, improve the tension anti-pressure ability of cable; Be separated by divider between adjacent 2 intracellular signaling unit, each divider end is connected in dispersion shape, and divider can be avoided mutually disturbing between intracellular signaling unit, and when cable is subject to radial pressure guard signal transport element from extruding; Said structure is applicable to optical cable, cable and optoelectronic composite cable.
Compared with prior art, advantage of the present utility model is:
1) reasonable in design, is provided with inside and outside duplex sheath, armour and reinforced layer outside cable core, can be good at the effect inner cable core being played to protection, tension anti-pressure ability is strong, when being subject to external impacts, cable core distortion is little, and fail safe is high, effectively can ensure the stable of Signal transmissions;
2) be provided with Ceramic silicon rubber composite tape layers between armour and reinforced layer, Ceramic silicon rubber composite band is helically wound around outside armour, improves the fireproof performance of this cable; Inner sheath and oversheath are LSOH anti-flaming sheath, have the function of fire protection flame retarding, and the application safety of this cable is reliable;
3) adopt oxygen-free copper conductor as the inner wire of cable, oxygen-free copper conductor is without Hydrogen Brittleness Phenomena, and stable signal transmission is reliable, and processing characteristics, welding performance and corrosion resisting property are good;
4) armour integral coating is outside insulating barrier, seamless, and shielding is good, high temperature resistant, moistureproof, effectively ensures the useful life of this communication cable;
5) in reinforced layer, be provided with non-metal reinforcement member, effectively can ensure that inner cable core damages from external impacts, and there is good insulation effect.
Accompanying drawing explanation
The structural representation of the high-strength insulating optical cable cross section that Fig. 1 provides for the utility model.
The structural representation of the high-strength insulating cable cross-section that Fig. 2 provides for the utility model.
The structural representation of the high-strength insulating optoelectronic composite cable cross section that Fig. 3 provides for the utility model.
Wherein, 1-intracellular signaling unit, 2-cable core, 3-inner sheath, 4-insulating barrier, 5-armour, 6-Ceramic silicon rubber composite tape layers, 7-reinforced layer, 8-oversheath, 9-reinforcement, 10-divider, 11-pe sheath, 12-optical fiber, 13-oxygen-free copper conductor.
Embodiment
Illustrate in detail the utility model below in conjunction with drawings and Examples, content of the present utility model is not limited to following examples.
Embodiment 1: the high-strength insulating optical cable that the utility model provides, its structure as shown in Figure 1, the sheath comprising cable core 2 and be wrapped in outside cable core, described sheath is 6 folded package structures layer by layer, be followed successively by inner sheath 3 from the inside to the outside, insulating barrier 4, armour 5, Ceramic silicon rubber composite tape layers 6, reinforced layer 7 and oversheath 8, inner sheath and oversheath are LSOH anti-flaming sheath, insulating barrier is the high density polyethylene (HDPE) foaming bed of material, armour is two galvanized steel strip armours, Ceramic silicon rubber composite band is helically wound around outside armour, reinforced layer is flame-retardant chemigum rubber layer, 6 reinforcements 9 are circumferentially evenly equipped with in reinforced layer, reinforcement is FRP rod, each reinforcement is all parallel to each other with cable core, described cable core comprises 4 fiber units, the divider 10 for separating of fiber unit is provided with between adjacent 2 fiber units, divider is the plastic-steel frame of right-angled intersection, its end and inner sheath close contact, fiber unit is made up of optical fiber group and the pe sheath 11 be closely wrapped in outside optical fiber group, and the optical fiber group of each fiber unit is formed by 4 optical fiber 12.
Embodiment 2: the high-strength insulating cable that the utility model provides, its structure as shown in Figure 2, the sheath comprising cable core 2 and be wrapped in outside cable core, described sheath is 6 folded package structures layer by layer, be followed successively by inner sheath 3 from the inside to the outside, insulating barrier 4, armour 5, Ceramic silicon rubber composite tape layers 6, reinforced layer 7 and oversheath 8, inner sheath and oversheath are LSOH anti-flaming sheath, insulating barrier is the high density polyethylene (HDPE) foaming bed of material, armour is two galvanized steel strip armours, Ceramic silicon rubber composite band is helically wound around outside armour, reinforced layer is flame-retardant chemigum rubber layer, 6 reinforcements 9 are circumferentially evenly equipped with in reinforced layer, reinforcement is FRP rod, each reinforcement is all parallel to each other with cable core, described cable core comprises 4 insulated single wires, the divider 10 for separating of insulated single wire is provided with between adjacent 2 insulated single wires, divider is the plastic-steel frame of right-angled intersection, its end and inner sheath close contact, insulated single wire is made up of conductor group and the pe sheath 11 be closely wrapped in outside conductor group, and the conductor group of each insulated single wire is formed by 4 oxygen-free copper conductors 13.
Embodiment 3: the high-strength insulating optoelectronic composite cable that the utility model provides, its structure as shown in Figure 3, the sheath comprising cable core 2 and be wrapped in outside cable core, described sheath is 6 folded package structures layer by layer, be followed successively by inner sheath 3 from the inside to the outside, insulating barrier 4, armour 5, Ceramic silicon rubber composite tape layers 6, reinforced layer 7 and oversheath 8, inner sheath and oversheath are LSOH anti-flaming sheath, insulating barrier is the high density polyethylene (HDPE) foaming bed of material, armour is two galvanized steel strip armours, Ceramic silicon rubber composite band is helically wound around outside armour, reinforced layer is flame-retardant chemigum rubber layer, 6 reinforcements 9 are circumferentially evenly equipped with in reinforced layer, reinforcement is FRP rod, each reinforcement is all parallel to each other with cable core, described cable core comprises 2 insulated single wires and 2 fiber units alternately arranged, the divider 10 for separating of insulated single wire is provided with between adjacent insulated single wire and fiber unit, divider is the plastic-steel frame of right-angled intersection, its end and inner sheath close contact, described fiber unit is made up of optical fiber group and the pe sheath 11 be closely wrapped in outside optical fiber group, the optical fiber group of each fiber unit is formed by 4 optical fiber 12, described insulated single wire is made up of conductor group and the pe sheath 11 be closely wrapped in outside conductor group, the conductor group of each insulated single wire is formed by 4 oxygen-free copper conductors 13.
Claims (9)
1. a high-strength insulating cable, at least comprise cable core and be wrapped in the sheath outside cable core, it is characterized in that: described sheath is sandwich construction, be followed successively by inner sheath, insulating barrier, armour, reinforced layer and oversheath from the inside to the outside, circumferentially be evenly equipped with more than 2 reinforcements in described reinforced layer, each reinforcement is all parallel to each other with cable core; Described cable core comprises 3 ~ 6 intracellular signaling unit, and be provided with the divider for separating of intracellular signaling unit between adjacent 2 intracellular signaling unit, each divider is connected near the end in cable core axle center, the other end and inner sheath close contact.
2. high-strength insulating cable according to claim 1, it is characterized in that: be provided with Ceramic silicon rubber composite tape layers between described armour and reinforced layer, Ceramic silicon rubber composite band is helically wound around outside armour.
3. high-strength insulating cable according to claim 1, it is characterized in that: described cable core comprises 4 ~ 6 intracellular signaling unit, intracellular signaling unit is made up of intracellular signaling element group and the pe sheath be closely wrapped in outside intracellular signaling element group, intracellular signaling element group comprises 3 ~ 6 intracellular signaling elements, and the intracellular signaling number of elements of each intracellular signaling unit is identical.
4. high-strength insulating cable according to claim 3, is characterized in that: described intracellular signaling element is the composition element of optical fiber, oxygen-free copper conductor or optical fiber and oxygen-free copper conductor.
5. high-strength insulating cable according to claim 1, is characterized in that: described divider is cross one another plastic-steel frame.
6. high-strength insulating cable according to claim 1, is characterized in that: described inner sheath and oversheath are LSOH anti-flaming sheath.
7. high-strength insulating cable according to claim 1, is characterized in that: described insulating barrier is the high density polyethylene (HDPE) foaming bed of material.
8. high-strength insulating cable according to claim 1, is characterized in that: described armour is two galvanized steel strip armour.
9. high-strength insulating cable according to claim 1, is characterized in that: described reinforced layer is flame-retardant chemigum rubber layer, and reinforcement is FRP rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520399239.0U CN204651081U (en) | 2015-06-10 | 2015-06-10 | A kind of high-strength insulating cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520399239.0U CN204651081U (en) | 2015-06-10 | 2015-06-10 | A kind of high-strength insulating cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204651081U true CN204651081U (en) | 2015-09-16 |
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ID=54103800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520399239.0U Expired - Fee Related CN204651081U (en) | 2015-06-10 | 2015-06-10 | A kind of high-strength insulating cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204651081U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785536A (en) * | 2016-05-25 | 2016-07-20 | 长飞光纤光缆股份有限公司 | Fire retardant optical cable and manufacturing method thereof |
| CN105931716A (en) * | 2016-06-07 | 2016-09-07 | 江苏通鼎光电科技有限公司 | Special cable for separately excited DC machine |
-
2015
- 2015-06-10 CN CN201520399239.0U patent/CN204651081U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785536A (en) * | 2016-05-25 | 2016-07-20 | 长飞光纤光缆股份有限公司 | Fire retardant optical cable and manufacturing method thereof |
| CN105931716A (en) * | 2016-06-07 | 2016-09-07 | 江苏通鼎光电科技有限公司 | Special cable for separately excited DC machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20160610 |