CN106653143A - Flexible insulation fireproof cable with metal sheath - Google Patents
Flexible insulation fireproof cable with metal sheath Download PDFInfo
- Publication number
- CN106653143A CN106653143A CN201611215189.1A CN201611215189A CN106653143A CN 106653143 A CN106653143 A CN 106653143A CN 201611215189 A CN201611215189 A CN 201611215189A CN 106653143 A CN106653143 A CN 106653143A
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- China
- Prior art keywords
- kink
- stainless steel
- sheath
- wire
- cable
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/026—Alloys based on copper
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/223—Longitudinally placed metal wires or tapes forming part of a high tensile strength core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/30—Insulated conductors or cables characterised by their form with arrangements for reducing conductor losses when carrying alternating current, e.g. due to skin effect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/328—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising violation sensing means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention relates to the cable technical field, and provides a flexible insulation fireproof cable with a metal sheath; the cable comprises the sheath; a cable core is arranged in the sheath, and comprises at least three wire cores; the at least three wire cores are mutually twisted so as to form the cable core; the sheath is made of low smoke halogen free flame retardation material; a taped covering made of glass fibers is arranged between the sheath and the cable core; a stainless steel ripple flexible pipe is arranged outside the sheath, and said two are detachably connected. The stainless steel ripple flexible pipe is sleeved outside the sheath so as to provide the fireproof effect, and said two are detachably connected, so the stainless steel ripple flexible pipe can be easily replaced, and the replacement is easier when compared with replacing the sheath.
Description
Technical field
The present invention relates to field of cable technology, more particularly to fireproof cable.
Background technology
Existing fireproof cable makes sheath often by flame retardant rubber is chosen, to realize fireproof effect.
The cable fire-proof effect on driving birds is not good of this structure, experiences concrete on fire, although the inner lead of cable is not affected by the intensity of a fire
Infringement, but after sheath can cause certain damage, sheath to damage, if be continuing with affecting attractive in appearance, may fire prevention
Performance is just reduced.If changing sheath, more inconvenience.
The content of the invention
It is an object of the present invention to provide the flexible insulation fireproof cable of protective metal shell is provided with, to solve above-mentioned at least one
Individual technical problem.
Technical problem solved by the invention can employ the following technical solutions to realize：
The flexible insulation fireproof cable of protective metal shell, including a sheath are provided with, a cable core, the cable are provided with the sheath
Core includes at least three cores, and at least three cores are mutually stranded to form the cable core, it is characterised in that the sheath is by low
Sheath made by cigarette halogen-free flameproof material；
Lapping layer made by a glass fibre is provided between the sheath and the cable core；
A stainless steel corrugated flexible hose is arranged with outside the sheath, the sheath detachably connects with the stainless steel corrugated flexible hose
Connect.
The present invention facilitates implementation fire line by being arranged with a stainless steel corrugated flexible hose outside sheath, and by stainless steel
Corrugated flexible hose is detachably connected with sheath, is conveniently replaceable stainless steel corrugated flexible hose, compares replacing sheath and is more easily implemented.
The stainless steel ripple hose package is included and is wound the stainless steel corrugated flexible hose pipe for constituting in the shape of a spiral by a stainless steel band
Body；
The stainless steel band includes that first kink of the section in downward opening arc curve, a section are in line segment shape
The second kink, a section in line segment shape the 3rd kink；
The right part of first kink connects left part, the rear end of second kink of second kink
Portion connects the left part of the 3rd kink, and the 3rd kink is tilted upward from left to right；
Angle between second kink and the 3rd kink is 115 ° -125 °.
The present invention after flat stainless steel band is processed, is obtained by the structure of optimization corrugated stainless steel tubing
The first connected kink of order, the second kink, one end of the 3rd kink, i.e. stainless steel band are first pressed into the first bending
Portion, the other end of stainless steel band is pressed into the 3rd kink, and then defines order connected the first kink, the second kink,
And carry out after spiral wound, each pitch can form first kink and cover the 3rd kink, and the 3rd is curved
Folding part can be in the inner side of the first kink slidably.
The corrugated stainless steel tubing winds from left to right, turns to stainless steel corrugated flexible hose, the stainless steel corrugated flexible hose
The first kink of a right circle covers the 3rd kink of previous circle in two adjacent circles.
Facilitating implementation the 3rd kink can be on the inside of the first kink slidably.
The section of first kink is in the arc that a central angle is 120 °；
Angle between second kink and the 3rd kink is 120 °；
The first kink of the left and right two ends of the 3rd kink equal to 0.25 times the distance between or so two ends distance
±2mm；
First kink of the distance between the left and right two ends of second kink equal to 0.5 times or so two ends distance ±
2mm。
Jing is tested, and using above-mentioned size the activity bit shift-in row restriction to corrugated stainless steel tubing is easy to, and controls bending half
Footpath.On the premise of corrugated stainless steel tubing complete characteristic is ensured, the arbitrarily long supply of material can be produced according to user's request.
The corrugated stainless steel tubing also includes being located at the joint at corrugated stainless steel tubing body two ends, the joint and the shield
Set is detachably connected by a clip.
Facilitate implementation the detachable of corrugated stainless steel tubing.
A wear-resistant coating is coated with the outer wall of the left end of first kink；
The wear-resistant coating includes the following raw material：Aeroge 5%～10%, gallium metal 1%～3%, MoS230%～
50%th, phenolic resin 30%～40%, polyurethane 40%～50%, water-absorbing resin 5%～10%.
Jing experiments while anti-wear performance is excellent, are also prevented from bellows body using the wear-resistant coating of above-mentioned formula
Heat transfer during sliding friction, reduces the noise in friction process.
The joint include be located at corrugated stainless steel tubing body left end the first joint, positioned at corrugated stainless steel tubing body right-hand member
The second joint；
First joint includes the limit of first kink for being used to be located at the corrugated stainless steel tubing body high order end
Position part, the locating part is weldingly connected with the corrugated stainless steel tubing body；
First joint also includes the first ring bodies, and the left part of first ring bodies is provided with least three first and lacks
Mouthful, described at least three first breach line centered on the central axis of first ring bodies is annularly arranged in the first ring-type
On body；
Second joint includes the ring of the 3rd kink for being used to cover the corrugated stainless steel tubing body low order end
Shape cover body, the be weldingly connected right part of the ring-type cover body of ring-type cover body and the low order end of corrugated stainless steel tubing body is fixedly connected
Second ring bodies, the left part of second ring bodies is provided with least three second breach, and at least three second breach are with described
Line is annularly arranged on the second ring bodies centered on the central axis of the second ring bodies.
Facilitate implementation being detachably connected for corrugated stainless steel tubing body and sheath.
The core includes a wire and the insulating barrier being coated on outside wire, and the wire is a hollow core conductor.
Wire adopts hollow core conductor, and while comparing traditional solid conductor and be more flexurally compliant, the present invention is more suitable for defeated
The power cable of alternating current is sent, due to Kelvin effect, when alternating current passes through wire, electric current will focus on wire table surface current
Cross, the present invention while having no effect on power Transmission, can also mitigate quality by adopting hollow core conductor, cost-effective.This
The solid copper wire for power decay of the external diameters such as bright employing hollow core conductor and tradition is more or less the same, therefore remains to keep original solid copper to lead
The cable transfer situation of line.The size that the present invention passes through optimum option hollow core conductor, while power Transmission is ensured, it is ensured that resistance to
Bendability.
The wire is the copper conductor that through hole is provided with；A steel wire is welded with the through hole of the copper conductor.Ensure empty
Intensity in heart wire through-hole.
A fibrage is coated with the inwall of the hollow core conductor, the fibrage is by adhesive and basalt fibre line
Mix.The fibrage pours into the hollow copper cash, flows through the inwall composition fiber that hollow copper cash is stayed in after hollow copper cash
Layer.
Strip groove is offered on the outer wall of the hollow core conductor, the depth of strip groove is 0.01-0.03mm, and strip is recessed
Central axial direction of the length direction of groove parallel to hollow core conductor.While ensureing the self-strength of hollow core conductor, it is ensured that electricity
Cable in the case where core thickness is constant, because resistance is sufficiently small caused by Kelvin effect.
Fireprotection layer made by an aluminium is provided between the sheath and the lapping layer, the cross section of the fireprotection layer is in a circle
Shape, the longitudinal section of the fireprotection layer is in wavy.
While facilitating implementation fire line, it is ensured that resistance to bend(ing).
The external diameter of the sheath is 5cm-6cm, and the thickness of the sheath is 8mm-10mm；
At the maximum outside diameter of the fireprotection layer with the minimum outer diameter of the fireprotection layer at difference in diameter be 5mm-10mm；
The through hole that at least 20 apertures are 1mm-2mm is additionally provided with the fireprotection layer, the spacing of adjacent through-holes is 5mm-
10mm。
The structure that the present invention passes through optimization fireprotection layer, while cost-effective, it is ensured that resistance to bend(ing) energy.
An electrical heating wire is also embedded with the sheath, the electrical heating wire is arranged in the shape of a spiral the outer protective sleeve
Interior, electrical heating wire section radially is in a round rectangle, and the length of the round rectangle is not less than the round rectangle
2 times of width；
Central axial direction of the length direction of the round rectangle parallel to the sheath；
Central axial direction of the width of the round rectangle perpendicular to the sheath.
The present invention is easy to realize adding for outer protective sleeve by electrical heating wire by being embedded with an electrical heating wire in sheath
Heat, due to termite be afraid of high temperature, more than 40 ° in the environment of, hardly have termite, the environment more than 60 °, termite can lose life
Sign.Carry out heating by heater strip and there is the effect for driveing termite well, further, since sheath is with heat-resisting quantity
, therefore do not interfere with the life-span of sheath.
The wire includes by weight percentage following element：C：0.1%-5% ﹑ Mn：0.8%-3%, Ga:3%-
4%th, W：1%-2%, balance of copper.
The present invention while improve the electric conductivity of traditional copper wire, is also prevented from copper by the formula of optimization wire
Heating of the silk in conducting process is excessive.
One end of the through hole turns on the gas outlet of an air pump, using the through hole as a gas channel, the through hole
The other end be provided with one for detecting the flowmeter of airflow condition in gas channel.The present invention is by one end of through hole and gas
The gas outlet of pump is connected, and by flowmeter the airflow condition in gas channel is detected, when being easy to occur wire fracture, sends out in time
It is existing.
Used as a kind of preferred version, the wire includes by weight percentage following element：C：0.1% ﹑ Mn：
0.8%th, Ga:4%th, W：2%th, balance of copper.
Description of the drawings
Fig. 1 is the part-structure schematic diagram of the present invention；
Fig. 2 is the part-structure schematic diagram of fireprotection layer of the present invention；
Fig. 3 is the part-structure schematic diagram of stainless steel corrugated flexible hose of the present invention；
Fig. 4 is the internal structure schematic diagram of stainless steel corrugated flexible hose of the present invention；
Fig. 5 is a kind of structural representation in the section of stainless steel band of the present invention.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Conjunction is specifically illustrating and the present invention is expanded on further.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, the flexible insulation fireproof cable of protective metal shell 1, including a sheath 1 are provided with,
It is provided with a cable core 3 in sheath 1, cable core 3 includes at least three cores, at least three cores mutually stranded formation cable core, sheath 1 is
Sheath 1 by made by low-smoke halogen-free flame retardant material；Lapping layer 2 made by a glass fibre is provided between sheath 1 and cable core 3；Sheath 1
A stainless steel corrugated flexible hose 5 is arranged with outward, and sheath 1 is detachably connected with stainless steel corrugated flexible hose 5.The present invention is by sheath 1
A stainless steel corrugated flexible hose is arranged with outward, facilitates implementation fire line, and detachably connecting by stainless steel corrugated flexible hose and sheath 1
Connect, be conveniently replaceable stainless steel corrugated flexible hose, compare replacing sheath 1 and be more easily implemented.
Stainless steel ripple hose package is included and is wound the stainless steel ripple hose body for constituting in the shape of a spiral by a stainless steel band；No
Rust steel band includes first kink 51 of the section in downward opening arc curve, second kink of the section in line segment shape
52nd, threeth kink 53 of the section in line segment shape；The left part of second kink 52 of right part connection of the first kink 51,
The rearward end of the second kink 52 connects the left part of the 3rd kink 53, and the 3rd kink 53 is tilted upward from left to right；The
Angle between two kinks 52 and the 3rd kink 53 is 115 ° -125 °.The knot that the present invention passes through optimization corrugated stainless steel tubing
Structure, after flat stainless steel band is processed, the first connected kink 51 of acquisition order, the second kink 52,
One end of 3rd kink 53, i.e. stainless steel band is first pressed into the first kink 51, and the other end of stainless steel band is pressed into the 3rd bending
Portion 53, and then order connected the first kink 51, the second kink 52 are defined, and carry out after spiral wound, each
Pitch can all form first kink 51 and cover the 3rd kink 53, and the 3rd kink 53 can be in the first kink
51 inner side is slidably.
Corrugated stainless steel tubing winds from left to right, turns to stainless steel corrugated flexible hose, stainless steel corrugated flexible hose it is adjacent two
The first kink 51 of a right circle covers the 3rd kink 53 of previous circle in circle.Facilitating implementation the 3rd kink 53 can be
The inner side of one kink 51 is slidably.
The section of the first kink 51 is in the arc that a central angle is 120 °；Second kink 52 and the 3rd kink 53 it
Between angle be 120 °；First kink 51 or so two of the distance between the left and right two ends of 3rd kink 53 equal to 0.25 times
End distance ± 2mm；First kink 51 or so two ends of the distance between the left and right two ends of second kink 52 equal to 0.5 times away from
From ± 2mm.Jing is tested, and using above-mentioned size the activity bit shift-in row restriction to corrugated stainless steel tubing is easy to, and controls bending half
Footpath.On the premise of corrugated stainless steel tubing complete characteristic is ensured, the arbitrarily long supply of material can be produced according to user's request.
Corrugated stainless steel tubing also includes being located at the joint at corrugated stainless steel tubing body two ends, and joint passes through a clip with sheath
It is detachably connected.Facilitate implementation the detachable of corrugated stainless steel tubing.
A wear-resistant coating is coated with the outer wall of the left end of the first kink 51；Wear-resistant coating includes the following raw material：Airsetting
Glue 5%～10%, gallium metal 1%～3%, MoS230%～50%, phenolic resin 30%～40%, polyurethane 40%～
50%th, water-absorbing resin 5%～10%.Jing experiments using above-mentioned formula wear-resistant coating, while anti-wear performance is excellent, can be with
Heat transfer of the bellows body during sliding friction is prevented, the noise in friction process is reduced.
Joint includes being located at the first joint of corrugated stainless steel tubing body left end, positioned at the of corrugated stainless steel tubing body right-hand member
Two joints；First joint includes the locating part of first kink for being used to be located at corrugated stainless steel tubing body high order end, spacing
Part is weldingly connected with corrugated stainless steel tubing body；
First joint also includes the first ring bodies, and the left part of the first ring bodies is provided with least three first breach, at least
Three the first breach lines centered on the central axis of the first ring bodies are annularly arranged on the first ring bodies；Second joint bag
Include the ring-type cover body of the 3rd kink for being used to cover corrugated stainless steel tubing body low order end, ring-type cover body and stainless steel ripple
The be weldingly connected right part of ring-type cover body of the low order end of pipe body is fixedly connected the second ring bodies, and the left part of the second ring bodies sets
There are at least three second breach, at least three second breach line centered on the central axis of the second ring bodies is annularly arranged in
On second ring bodies.Facilitate implementation being detachably connected for corrugated stainless steel tubing body and sheath.
Core includes a wire 31 and the insulating barrier 32 being coated on outside wire 31, and wire 31 is a hollow core conductor；It is hollow
Wire is the copper conductor that through hole is provided with, and the central axis of through hole is in same straight line, through hole with the central axis of copper conductor
Aperture be 0.1mm-0.2mm；The outer wall of hollow core conductor section radially is in the circle that Radius are 0.8mm-1mm.Wire
Using hollow core conductor, while comparing traditional solid conductor and be more flexurally compliant, the present invention is more suitable for conveying the electricity of alternating current
Power cable, due to Kelvin effect, when alternating current passes through wire, electric current will focus on conductive line surfaces and flow through, and the present invention passes through
Using hollow core conductor, while having no effect on power Transmission, quality can also be mitigated, it is cost-effective.The present invention is led using hollow
The solid copper wire for power decay of the external diameters such as line and tradition is more or less the same, therefore remains to keep the cable transfer of original solid copper conductor
Situation.The size that the present invention passes through optimum option hollow core conductor, while power Transmission is ensured, it is ensured that resistance to bend(ing).
A steel wire is welded with the through hole of hollow core conductor.Ensure the intensity in hollow core conductor through hole.
Referring to Fig. 2, fireprotection layer 4 made by an aluminium is provided between sheath and lapping layer, the cross section of fireprotection layer 4 is in a circle
Shape, the longitudinal section of fireprotection layer 4 is in wavy.While facilitating implementation fire line, it is ensured that resistance to bend(ing).The external diameter of sheath is 5cm-
6cm, the thickness of sheath is 8mm-10mm；It is with the difference in diameter at the minimum outer diameter of fireprotection layer 4 at the maximum outside diameter of fireprotection layer 4
5mm-10mm；The through hole 41 that at least 20 apertures are 1mm-2mm is additionally provided with fireprotection layer 4, the spacing of adjacent through-holes 41 is
5mm-10mm.The structure that the present invention passes through optimization fireprotection layer 4, while cost-effective, it is ensured that resistance to bend(ing) energy.
An electrical heating wire is also embedded with sheath, electrical heating wire is arranged in the shape of a spiral in outer protective sleeve, electrical heating wire edge
The section of radial direction is in a round rectangle, and the length of round rectangle is not less than 2 times of the width of round rectangle；The length of round rectangle
It is oriented parallel to the central axial direction of sheath；Central axial direction of the width of round rectangle perpendicular to sheath.This
It is bright to be easy to realize the heating of outer protective sleeve by electrical heating wire by being embedded with an electrical heating wire in sheath, because termite is afraid of
High temperature, more than 40 ° in the environment of, hardly have termite, the environment more than 60 °, termite can lose vital sign.By heating
Silk carries out heating has the effect for driveing termite well, further, since sheath is with heat-resisting quantity, therefore does not interfere with shield
The life-span of set.Sheath is provided with the electrical energy inputs supplied for the electric energy of electrical heating wire, electrical energy inputs connection electrical heating wire.
Electrical heating wire is not more than 2mm apart from the minimum spacing of the radially-outer surface of sheath.It is easy to ensure heater strip to sheath
Outer wall heat conductivity.
Wire includes by weight percentage following element：C：0.1%-5% ﹑ Mn：0.8%-3%, Ga:3%-4%,
W：1%-2%, balance of copper.The formula that the present invention passes through optimization wire, while improve the electric conductivity of traditional copper wire, also
Heating of the copper wire in conducting process can be prevented excessive.
One end of through hole turns on the gas outlet of an air pump, and using through hole as a gas channel, the other end of through hole is provided with
One is used to detect the flowmeter of the airflow condition in gas channel.The present invention is by the gas outlet phase in one end of through hole and air pump
Even, the airflow condition in gas channel is detected by flowmeter, when being easy to occur wire fracture, is found in time.
Used as a kind of preferred version, wire includes by weight percentage following element：C：0.1% ﹑ Mn：0.8%th,
Ga:4%th, W：2%th, balance of copper.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (10)
1. the flexible insulation fireproof cable of protective metal shell, including a sheath are provided with, a cable core, the cable core are provided with the sheath
Including at least three cores, at least three cores are mutually stranded to form the cable core, it is characterised in that the sheath is by low cigarette
Sheath made by halogen-free flameproof material；
Lapping layer made by a glass fibre is provided between the sheath and the cable core；
A stainless steel corrugated flexible hose is arranged with outside the sheath, the sheath is detachably connected with the stainless steel corrugated flexible hose.
2. the flexible insulation fireproof cable for being provided with protective metal shell according to claim 1, it is characterised in that the stainless steel
Corrugated flexible hose includes being wound in the shape of a spiral by a stainless steel band stainless steel ripple hose body for constituting；
The stainless steel band includes a section in line segment shape the in the first kink of downward opening arc curve, a section
Two kinks, threeth kink of the section in line segment shape；
The right part of first kink connects the left part of second kink, the rearward end of second kink connects
The left part of the 3rd kink is connect, the 3rd kink is tilted upward from left to right；
Angle between second kink and the 3rd kink is 115 ° -125 °.
3. the flexible insulation fireproof cable for being provided with protective metal shell according to claim 2, it is characterised in that described first is curved
The section of folding part is in the arc that a central angle is 120 °；
Angle between second kink and the 3rd kink is 120 °；
The first kink of the left and right two ends of the 3rd kink equal to 0.25 times the distance between or so two ends distance ±
2mm；
First kink of the distance between the left and right two ends of second kink equal to 0.5 times or so two ends distance ± 2mm.
4. the flexible insulation fireproof cable for being provided with protective metal shell according to claim 1, it is characterised in that described first is curved
A wear-resistant coating is coated with the outer wall of the left end of folding part；
The wear-resistant coating includes the following raw material：Aeroge 5%～10%, gallium metal 1%～3%, MoS230%～50%, phenol
Urea formaldehyde 30%～40%, polyurethane 40%～50%, water-absorbing resin 5%～10%.
5. the flexible insulation fireproof cable for being provided with protective metal shell according to claim 2, it is characterised in that the stainless steel
Bellows also includes being located at the joint at corrugated stainless steel tubing body two ends, and the joint is detachable by a clip with the sheath
Connection.
6. the flexible insulation fireproof cable for being provided with protective metal shell according to claim 5, it is characterised in that the joint bag
Include the first joint positioned at corrugated stainless steel tubing body left end, positioned at the second joint of corrugated stainless steel tubing body right-hand member；
First joint includes the locating part of first kink for being used to be located at the corrugated stainless steel tubing body high order end,
The locating part is weldingly connected with the corrugated stainless steel tubing body；
First joint also includes the first ring bodies, and the left part of first ring bodies is provided with least three first breach,
Described at least three first breach line centered on the central axis of first ring bodies is annularly arranged in the first ring bodies
On；
Second joint includes the annular enclosure of the 3rd kink for being used to cover the corrugated stainless steel tubing body low order end
Body, the be weldingly connected right part of the ring-type cover body of ring-type cover body and the low order end of corrugated stainless steel tubing body is fixedly connected second
Ring bodies, the left part of second ring bodies is provided with least three second breach, and at least three second breach are with described second
Line is annularly arranged on the second ring bodies centered on the central axis of ring bodies.
7. the flexible insulation fireproof cable for being provided with protective metal shell according to claim 1, it is characterised in that the core bag
A wire and the insulating barrier being coated on outside wire are included, the wire is a hollow core conductor；
A fibrage is coated with the inwall of the hollow core conductor, the fibrage is mixed by adhesive and basalt fibre line
Form.
8. the flexible insulation fireproof cable for being provided with protective metal shell according to claim 1, it is characterised in that the core bag
A wire and the insulating barrier being coated on outside wire are included, the wire is the copper conductor that through hole is provided with；
A steel wire is welded with the through hole of the copper conductor.
9. the flexible insulation fireproof cable for being provided with protective metal shell according to claim 7, it is characterised in that the wire with
Percentage by weight meter includes following element：C：0.1%-5% ﹑ Mn：0.8%-3%, Ga:3%-4%, W：1%-2%, surplus
For copper.
10. the flexible insulation fireproof cable for being provided with protective metal shell according to claim 7, it is characterised in that the through hole
The gas outlet of one end and an air pump turn on, using the through hole as a gas channel, the other end of the through hole is provided with a use
The flowmeter of the airflow condition in detection gas channel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215189.1A CN106653143B (en) | 2016-12-26 | 2016-12-26 | Flexible insulation fireproof cable equipped with protective metal shell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215189.1A CN106653143B (en) | 2016-12-26 | 2016-12-26 | Flexible insulation fireproof cable equipped with protective metal shell |
Publications (2)
| Publication Number | Publication Date |
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| CN106653143A true CN106653143A (en) | 2017-05-10 |
| CN106653143B CN106653143B (en) | 2018-04-13 |
Family
ID=58827156
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611215189.1A Active CN106653143B (en) | 2016-12-26 | 2016-12-26 | Flexible insulation fireproof cable equipped with protective metal shell |
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| Country | Link |
|---|---|
| CN (1) | CN106653143B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108712690A (en) * | 2018-05-30 | 2018-10-26 | 歌尔科技有限公司 | A kind of audio frequency apparatus and its shockproof structure |
| CN109509577A (en) * | 2018-11-16 | 2019-03-22 | 安徽宏源特种电缆股份有限公司 | Resistance to 1000 DEG C of high temperature wires of microlight-type and preparation method thereof and production equipment |
| CN114678162A (en) * | 2022-04-06 | 2022-06-28 | 深圳市金环宇电线电缆有限公司 | Environment-friendly fire-resistant signal cable |
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| Publication number | Publication date |
|---|---|
| CN106653143B (en) | 2018-04-13 |
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