CN107369497A - A kind of anti-extrusion stretch-proof power cable - Google Patents
A kind of anti-extrusion stretch-proof power cable Download PDFInfo
- Publication number
- CN107369497A CN107369497A CN201710372650.2A CN201710372650A CN107369497A CN 107369497 A CN107369497 A CN 107369497A CN 201710372650 A CN201710372650 A CN 201710372650A CN 107369497 A CN107369497 A CN 107369497A
- Authority
- CN
- China
- Prior art keywords
- elastic tube
- elastic
- wire
- power cable
- wires
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H01B7/18—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
- H01B7/02—Disposition of insulation
- H01B7/0258—Disposition of insulation comprising one or more longitudinal lapped layers of insulation
-
- 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
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
-
- 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
- H01B7/24—Devices affording localised protection against mechanical force or pressure
Abstract
The present invention proposes a kind of anti-extrusion stretch-proof power cable, including the first elastic tube, the second elastic tube, multiple first wires and multiple second wires, first elastic tube is arranged on the inside of the second elastic tube, multiple first wires are arranged in parallel in the first elastic tube, second wire has the short axle of elliptic cross-section and the second wire being radially arranged along cable, the long axis direction both ends of the second wire in each arc elastic part lean with the arc elastic part, and multiple second wires lean with the first elastic pipe outer wall.The present invention protects multiple first wires, multiple second wires respectively using by the first elastic tube, the second elastic tube; and the gassy in the first elastic tube, the second elastic tube; cable can buffer extruding force in extruding by the elastic deformation of the first elastic tube, the second elastic tube; the first wire, the second wire is avoided to be squeezed and destroy; performance of the cable in adverse circumstances is improved, extends the service life of cable.
Description
Technical field
The present invention relates to power cable technical field, more particularly to a kind of anti-extrusion stretch-proof power cable.
Background technology
It is extruded in production and processing field, power cable automatically due to the action with processing component, electricity often occurs
The phenomenon that power cable is squeezed and broken；And when power cable is extruded, conductor core wire will necessarily be caused to extrude, so as to be passed to electric power
Transmission quality impacts.In addition, the current capacity of power cable is generally relevant with the sectional area of conductor thread core, when the current increases
Conductor temperature can be raised, the temperature of the insulating barrier of conductor outer cladding can cause insulating barrier that changing in performance occurs when exceeding the upper limit
Become, so that the insulating reliability of insulating barrier substantially reduces, influence the service life of power cable.
The content of the invention
Based on technical problem present in background technology, the present invention proposes a kind of anti-extrusion stretch-proof power cable.
A kind of anti-extrusion stretch-proof power cable proposed by the present invention, including the first elastic tube, the second elastic tube, Duo Ge
One wire and multiple second wires, wherein：
First elastic tube is arranged on the inside of the second elastic tube, and the first elastic tube cavity and the are communicated with the first elastic tube
The gas port of two elastic tube cavities；Second elastic tube is sequentially connected from head to tail to form by multiple arcs elastic component, each arc elastic part
Arc opening towards the first elastic tube, be enclosed with inner sheath, total screen layer, oversheath outside the second elastic tube successively, first
Filled with gas in elastic tube, the second elastic tube, the air inlet pipe of the second elastic tube, escape pipe sequentially pass through inner sheath, total screen
Layer, oversheath are covered, oversheath is provided with the inlet suction port connected with air inlet pipe and the air outlet adapter connected with escape pipe；
Multiple first wires are arranged in parallel in the first elastic tube, and the first wire has circular cross-section and the first wire
With the first elastic inside pipe wall against；The quantity of second wire is consistent with the quantity of arc elastic part and second wire is set
On the inside of an arc elastic part, the second wire has the short axle of elliptic cross-section and the second wire being radially arranged along cable,
The long axis direction both ends of the second wire in each arc elastic part lean with the arc elastic part, and multiple second wires are equal
Leant with the first elastic pipe outer wall.
Preferably, elastomeric cushion material is filled with the gap between the second elastic tube and inner sheath.
Preferably, through hole is equipped with the elastomeric cushion material between two arc elastic parts of arbitrary neighborhood, through hole has
The short axle of oval cross section and through hole is radially arranged along cable.
Preferably, hollow elastic strip, hollow elastic strip point are equipped with the gap between two the first wires of arbitrary neighborhood
Do not leant with the first elastic tube, two neighboring first wire.
Preferably, hollow elastic strip has oval cross section and the major axis of hollow elastic strip is radially arranged along cable.
Preferably, the first wire includes the first conductor, the first insulating barrier being wrapped in outside the first conductor and is wrapped in
The first armor outside first insulating barrier.
Preferably, it is exhausted to include two the second mutually twisted conductors, second be wrapped in outside the second conductor for the second wire
Edge layer and the second armor being wrapped in outside the second insulating barrier.
Preferably, the cross-sectional area of the second conductor is 0.72-0.86 times of the cross section of the first conductor.
Preferably, the first elastic tube, the second elastic tube are made by thermoplastic elastomer (TPE), and thermoplastic elastomer (TPE) includes following
Raw material：Haloflex：80~100 parts, carbon black：30-50 parts, dioctyl phthalate：15-35 parts, talcum powder：
15-30 parts, Triallyl isocyanurate：2-5 parts, halogen-free flame retardants：5-10 parts, lead stearate：4-6 parts, magnesia：8-12
Part, accelerator：1-5 parts, plasticizer：3-8 parts, softening agent：0.1-0.5 parts.By thermoplastic elastomer (TPE) made of above-mentioned raw materials,
With good flexibility, elasticity, wilfulness and ageing resistace, the service life of cable is extended, adds carbon black so that elastomer
With good physical property, prevent cable from causing sheath to ftracture through repeatedly bending；Hindered by adding Halogen in the feed
Agent is fired, improves the fire resistance of cable；Appropriate talcum powder is added, epoxy glue extrusion effect can be improved, increase elastic body surface
Face finish.
Preferably, thermoplastic elastomer (TPE) includes following weight parts raw material：Haloflex：100 parts, carbon black：50 parts, adjacent benzene
Diformazan dioctyl phthalate：30 parts, talcum powder：20 parts, Triallyl isocyanurate：5 parts, halogen-free flame retardants：7 parts, lead stearate：
5 parts, magnesia：10 parts, accelerator：3 parts, plasticizer：6 parts, softening agent：0.3 part.
In the present invention, multiple first wires, multiple second is protected to lead respectively using by the first elastic tube, the second elastic tube
Line, and the gassy in the first elastic tube, the second elastic tube, cable can pass through the first elastic tube, the second elasticity in extruding
The elastic deformation buffering extruding force of pipe, avoids the first wire, the second wire from being squeezed and destroy, improves cable in severe ring
Performance in border, extend the service life of cable；Filled in gap between the second elastic tube and inner sheath flexible
Padded coaming, and through hole is set in elastomeric cushion material, above-mentioned technique effect can be increased.The present invention is squeezed in cable
When, mainly the second wire is pressurized, and the second wire major axis both ends and arc elastic part are against and with the first elastic tube against second
Wire and arc elastic part between first elastic tube one end away from gap is left, and in extruding, arc elastic part inwardly extrudes change
Shape carries out alleviation extruding force, avoids the second wire and arc elastic part from offseting and produces extruding and cause the dislocation of the second wire to deform,
During this, extruding force is fallen by effective buffering, and cable can keep straight property；Simultaneously any two neighboring first wire it
Between gap in be equipped with hollow elastic strip, can prevent extruding when, the first wire misplaces, so as to ensure the first wire
Straight property.
Brief description of the drawings
Fig. 1 is a kind of structural representation of anti-extrusion stretch-proof power cable proposed by the present invention.
Embodiment
Reference picture 1, the present invention propose a kind of anti-extrusion stretch-proof power cable, including the first elastic tube 1, the second elastic tube
2nd, three the first wires 3 and six the second wires 4, wherein：
First elastic tube 1 is arranged on the inner side of the second elastic tube 2, and the inner chamber of the first elastic tube 1 is communicated with the first elastic tube 1
With the gas port 11 of the inner chamber of the second elastic tube 2；Second elastic tube 2 is sequentially connected from head to tail to form by six arc elastic parts 23, respectively
The arc opening of arc elastic part 23 is enclosed with inner sheath 5, total shielding towards the first elastic tube 1 successively outside the second elastic tube 2
Layer 6, oversheath 7, filled with gas, the air inlet pipe 21 of the second elastic tube 2, escape pipe in the first elastic tube 1, the second elastic tube 2
22 sequentially pass through inner sheath 5, total screen layer 6, oversheath 7, oversheath 7 be provided with the inlet suction port that is connected with air inlet pipe 21 with
And the air outlet adapter connected with escape pipe 22.Elastomeric cushion material is filled with gap between second elastic tube 2 and inner sheath 5
8, through hole 81 is equipped with the elastomeric cushion material 8 between two arc elastic parts 23 of arbitrary neighborhood, and through hole 81 has elliptical cross section
The short axle of face and through hole 81 is radially arranged along cable.
Three the first wires 3 are arranged in parallel in the first elastic tube 1, and the first wire 3 has circular cross-section and first
Wire 3 includes the first conductor 31, be wrapped in outside the first conductor 31 the with the inwall of the first elastic tube 1 against, the first wire 3
One insulating barrier 32 and the first armor 33 being wrapped in outside the first insulating barrier 32.Between two the first wires 3 of arbitrary neighborhood
Gap in be equipped with hollow elastic strip 9, hollow elastic strip 9 offsets with the first elastic tube 1, two neighboring first wire 3 respectively
Lean on, the major axis that hollow elastic strip 9 has oval cross section and hollow elastic strip 9 is radially arranged along cable.
The quantity of second wire 4 is consistent with the quantity of arc elastic part 23 and second wire 4 is arranged on an arc
The inner side of elastic component 23, the second wire 4 have short axle being radially arranged along cable of elliptic cross-section and the second wire 4, each arc
The long axis direction both ends of the second wire 4 in elastic component 23 lean with the arc elastic part 23, and multiple second wires 4 are equal
Leant with the outer wall of the first elastic tube 1.Second wire 4 includes two the second mutually twisted conductors 41, is wrapped in the second conductor
The second insulating barrier 42 outside 41 and the second armor 43 being wrapped in outside the second insulating barrier 42, the second conductor 41 it is transversal
Area is 0.72-0.86 times of the cross section of the first conductor 31.
In the present invention, the first elastic tube, the second elastic tube are made by thermoplastic elastomer (TPE), under thermoplastic elastomer (TPE) includes
State raw material：Haloflex：80~100 parts, carbon black：30-50 parts, dioctyl phthalate：15-35 parts, talcum
Powder：15-30 parts, Triallyl isocyanurate：2-5 parts, halogen-free flame retardants：5-10 parts, lead stearate：4-6 parts, magnesia：
8-12 parts, accelerator：1-5 parts, plasticizer：3-8 parts, softening agent：0.1-0.5 parts.Pass through thermoplastic elastomehc made of above-mentioned raw materials
Property body, there is good flexibility, elasticity, wilfulness and ageing resistace, extend the service life of cable, add carbon black so that
Elastomer has good physical property, prevents cable from causing sheath to ftracture through repeatedly bending；By adding in the feed
Halogen-free flame retardants, improve the fire resistance of cable；Appropriate talcum powder is added, epoxy glue extrusion effect can be improved, increase bullet
Elastomeric surface finish.
In a particular embodiment, thermoplastic elastomer (TPE) includes following weight parts raw material：Haloflex：100 parts, carbon black：
50 parts, dioctyl phthalate：30 parts, talcum powder：20 parts, Triallyl isocyanurate：5 parts, halogen-free flame retardants：7 parts,
Lead stearate：5 parts, magnesia：10 parts, accelerator：3 parts, plasticizer：6 parts, softening agent：0.3 part.
A kind of anti-extrusion stretch-proof power cable proposed by the present invention, using passing through the first elastic tube 1, the second elastic tube 2
Three the first wires, 3, six the second wires 4, and the gassy in the first elastic tube 1, the second elastic tube 2, electricity are protected respectively
Cable can buffer extruding force in extruding by the elastic deformation of the first elastic tube 1, the second elastic tube 2, avoid the first wire 3, the
Two wires 4 are squeezed and destroyed, and improve performance of the cable in adverse circumstances, extend the service life of cable；
Elastomeric cushion material 8 is filled with gap between second elastic tube 2 and inner sheath 5, and sets and leads in elastomeric cushion material 8
Hole 81, above-mentioned technique effect can be increased.When cable is squeezed, mainly the second wire 4 is pressurized the present invention, the second wire
4 major axis both ends and arc elastic part 23 against and with the first elastic tube 1 against, the second wire 4 and arc elastic part 23 away from the
One elastic tube 1 leaves gap between one end, and in extruding, the 23 inside crimp of arc elastic part carries out alleviation extruding force, keeps away
Exempt from the second wire 4 and offset with arc elastic part 23 to produce extruding and cause the dislocation of the second wire 4 to deform, in this process, extruding
Power is fallen by effective buffering, and cable can keep straight property；It is all provided with simultaneously in the gap between any two neighboring first wire 3
There is hollow elastic strip 9, can prevent that the first wire 3 misplaces, so as to ensure the straight property of the first wire 3 in extruding.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of anti-extrusion stretch-proof power cable, it is characterised in that including the first elastic tube (1), the second elastic tube (2), more
Individual first wire (3) and multiple second wires (4), wherein：
First elastic tube (1) is arranged on the inside of the second elastic tube (2), and the first elastic tube (1) is communicated with the first elastic tube (1)
The gas port (11) of inner chamber and the second elastic tube (2) inner chamber；Second elastic tube (2) is by multiple arcs elastic component (23) successively head and the tail
Connection is formed, and towards the first elastic tube (1), the second elastic tube (2) is outside to be wrapped the arc opening of each arc elastic part (23) successively
It is wrapped with inner sheath (5), total screen layer (6), oversheath (7), filled with gas in the first elastic tube (1), the second elastic tube (2),
The air inlet pipe (21) of second elastic tube (2), escape pipe (22) sequentially pass through inner sheath (5), total screen layer (6), oversheath
(7), oversheath (7) is provided with the inlet suction port connected with air inlet pipe (21) and the air outlet adapter connected with escape pipe (22)；
Multiple first wires (3) are arranged in parallel in the first elastic tube (1), and the first wire (3) has circular cross-section and the
One wire (3) with the first elastic tube (1) inwall against；The quantity of second wire (4) and the quantity one of arc elastic part (23)
Cause and second wire (4) is arranged on the inside of arc elastic part (23), the second wire (4) has elliptic cross-section and the
Short axle being radially arranged along cable of two wires (4), the long axis direction both ends of the second wire (4) in each arc elastic part (23)
Leant with the arc elastic part (23), and multiple second wires (4) lean with the first elastic tube (1) outer wall.
2. anti-extrusion stretch-proof power cable according to claim 1, it is characterised in that the second elastic tube (2) and interior shield
Elastomeric cushion material (8) is filled with gap between set (5).
3. anti-extrusion stretch-proof power cable according to claim 2, it is characterised in that two arc elastics of arbitrary neighborhood
It is equipped with through hole (81) in elastomeric cushion material (8) between part (23), through hole (81) has oval cross section and through hole (81)
Short axle is radially arranged along cable.
4. the anti-extrusion stretch-proof power cable according to any one of claim 1-3, it is characterised in that arbitrary neighborhood two
Be equipped with hollow elastic strip (9) in gap between individual first wire (3), hollow elastic strip (9) respectively with the first elastic tube
(1), two neighboring first wire (3) leans.
5. anti-extrusion stretch-proof power cable according to claim 4, it is characterised in that hollow elastic strip (9) has ellipse
The major axis of circular section and hollow elastic strip (9) is radially arranged along cable.
6. the anti-extrusion stretch-proof power cable according to any one of claim 1-3, it is characterised in that the first wire
(3) include the first conductor (31), be wrapped in outside the first insulating barrier (32) of the first conductor (31) and be wrapped in the first insulation
Outside the first armor (33) of layer (32).
7. anti-extrusion stretch-proof power cable according to claim 6, it is characterised in that the second wire (4) includes two
Mutually twisted the second conductor (41), it is wrapped in outside the second insulating barrier (42) of the second conductor (41) and to be wrapped in second exhausted
Outside the second armor (43) of edge layer (42).
8. anti-extrusion stretch-proof power cable according to claim 7, it is characterised in that the cross section of the second conductor (41)
Product is 0.72-0.86 times of the cross section of the first conductor (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710372650.2A CN107369497A (en) | 2017-05-24 | 2017-05-24 | A kind of anti-extrusion stretch-proof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710372650.2A CN107369497A (en) | 2017-05-24 | 2017-05-24 | A kind of anti-extrusion stretch-proof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107369497A true CN107369497A (en) | 2017-11-21 |
Family
ID=60305259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710372650.2A Withdrawn CN107369497A (en) | 2017-05-24 | 2017-05-24 | A kind of anti-extrusion stretch-proof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107369497A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878041A (en) * | 2018-07-12 | 2018-11-23 | 扬州劳根电气有限公司 | A kind of intelligent measuring apparatus instruments and meters charge bearing detecting cable |
| CN110828034A (en) * | 2019-11-15 | 2020-02-21 | 安徽省飞翔特种电缆有限公司 | Coke pusher is able to bear or endure high temperature travelling cable |
| CN111679388A (en) * | 2020-06-22 | 2020-09-18 | 杭州富通通信技术股份有限公司 | Resistance to compression optical cable |
| CN111679386A (en) * | 2020-06-22 | 2020-09-18 | 杭州富通通信技术股份有限公司 | Flexible optical cable |
| WO2021093412A1 (en) * | 2019-11-11 | 2021-05-20 | 深圳Tcl数字技术有限公司 | Support structure, backlight module, and display device |
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| CN105976900A (en) * | 2016-06-20 | 2016-09-28 | 安徽华能电缆集团有限公司 | Warp-resistant cable for industrial robots |
| CN106205821A (en) * | 2016-08-29 | 2016-12-07 | 四川弘毅智慧知识产权运营有限公司 | A kind of shock resistance high reliability data connecting line |
| CN106340345A (en) * | 2016-10-31 | 2017-01-18 | 耒阳星宇电线电缆有限公司 | Anti-compression suspension cable |
| CN106356122A (en) * | 2016-08-31 | 2017-01-25 | 安徽徽宁电器仪表集团有限公司 | Heat dissipation power cable |
-
2017
- 2017-05-24 CN CN201710372650.2A patent/CN107369497A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105976900A (en) * | 2016-06-20 | 2016-09-28 | 安徽华能电缆集团有限公司 | Warp-resistant cable for industrial robots |
| CN106205821A (en) * | 2016-08-29 | 2016-12-07 | 四川弘毅智慧知识产权运营有限公司 | A kind of shock resistance high reliability data connecting line |
| CN106356122A (en) * | 2016-08-31 | 2017-01-25 | 安徽徽宁电器仪表集团有限公司 | Heat dissipation power cable |
| CN106340345A (en) * | 2016-10-31 | 2017-01-18 | 耒阳星宇电线电缆有限公司 | Anti-compression suspension cable |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878041A (en) * | 2018-07-12 | 2018-11-23 | 扬州劳根电气有限公司 | A kind of intelligent measuring apparatus instruments and meters charge bearing detecting cable |
| CN108878041B (en) * | 2018-07-12 | 2024-04-26 | 江苏华能电缆股份有限公司 | Load-bearing detection cable for intelligent measuring instrument and meter |
| WO2021093412A1 (en) * | 2019-11-11 | 2021-05-20 | 深圳Tcl数字技术有限公司 | Support structure, backlight module, and display device |
| CN110828034A (en) * | 2019-11-15 | 2020-02-21 | 安徽省飞翔特种电缆有限公司 | Coke pusher is able to bear or endure high temperature travelling cable |
| CN111679388A (en) * | 2020-06-22 | 2020-09-18 | 杭州富通通信技术股份有限公司 | Resistance to compression optical cable |
| CN111679386A (en) * | 2020-06-22 | 2020-09-18 | 杭州富通通信技术股份有限公司 | Flexible optical cable |
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Application publication date: 20171121 |
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