CN203217981U - Cable used for coal mining machine with 1.9/3.3kV or lower rated voltage - Google Patents
Cable used for coal mining machine with 1.9/3.3kV or lower rated voltage Download PDFInfo
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- CN203217981U CN203217981U CN2013202075395U CN201320207539U CN203217981U CN 203217981 U CN203217981 U CN 203217981U CN 2013202075395 U CN2013202075395 U CN 2013202075395U CN 201320207539 U CN201320207539 U CN 201320207539U CN 203217981 U CN203217981 U CN 203217981U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to a cable used for a coal mining machine with a 1.9/3.3kV or lower rated voltage. The technical scheme is as follows: the cable includes three power wire cores (1), a ground wire core (2), a control wire core (3), a 1# winding wrapping layer (4) and an outer sheath (5); the three power wire cores (1) and the control wire core (3) are twisted around the ground wire core (2) and forms a cable core, wherein the ground wire core (2) is at the center of the cable core; and the winding wrapping layer (4) and the outer sheath (5) are arranged in order at the outside of the cable core; and the control wire core (3) is comprised by at least three control wire core conductors (3 - 1), control wire core insulation layers (3 - 2) and a control wire core cladding layer (3 - 3). Through adoption of the above-mentioned technical scheme, the cable has the characteristics of being safe, capable of bearing great longitudinal tensile force and high in toughness.
Description
Technical field
The utility model relates to a kind of mining cable, particularly rated voltage 1.9/3.3kV and following coal-winning machine cable.
Background technology
Because be subjected to the restriction of the residing environment for use of coal-winning machine, coal-winning machine should use special cable with cable, also needs reaching under the prerequisite of safety requirements:
The first, need to bear bigger longitudinal pulling force.Coal-winning machine is to move around in the coal mining process, and coal-winning machine and electrical power control cabinet are far, need connect with very long cable.And in moving process cable even can bend, the inner ring core of crooked cable is subjected to very big pressure and the outer ring core of cable is subjected to very big pulling force.Therefore, coal-winning machine should be able to bear bigger longitudinal pulling force with cable.
The second, can prevent the core core that breaks.Control line core conductor in the existing mining cable adopts zinc-plated soft copper skein silk to close conductor, and disconnected core in use easily takes place for it, has a strong impact on use.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, and a kind of rated voltage 1.9/3.3kV and following coal-winning machine cable are provided, and it has safety, can bear characteristics such as bigger longitudinal pulling force, toughness are strong.
For realizing above-mentioned technical purpose, the utility model is by the following technical solutions: a kind of rated voltage 1.9/3.3kV and following coal-winning machine cable, it comprises three power cores, a ground core, control core, 1# lapping layer and an oversheath, three power cores and a control core are twisted into cable core centered by a ground core, cable core is established lapping layer and oversheath outward successively, wherein:
Described any power core is made of power line core conductor and power line core insulation layer, and power line core insulation layer is positioned on the power line core conductor, and the power line core conductor is by the stranded power line core conductor that forms of zinc-plated soft copper conductor;
Described ground core is made of the ground wire core conductor, and the ground wire core conductor is by the stranded ground wire core conductor that forms of zinc-plated soft copper conductor;
Described control core is made of at least three control line core conductors, control line core insulation layer and control core coating layer, establish control line core insulation layer on any control line core conductor, control core coating layer is coated on stranded and contains on the control line core conductor of control line core insulation layer, and any control line core conductor is to close the control line core conductor that forms by zinc-plated soft copper conductor and aramid fiber skein silk.
Further, described any power core also has additional power core semiconductive shielding layer, and power core semiconductive shielding layer is positioned on the described power line core insulation layer.
Further, described ground core also has additional ground core semiconductive shielding layer, and ground core semiconductive shielding layer is positioned on the described ground wire core conductor.
Further, described zinc-plated soft copper conductor is the 6th kind of zinc-plated soft copper conductor.
Further, described power line core insulation layer is the power line core insulation layer that ethylene propylene diene rubber constitutes.
Further, described control line core insulation layer is the control line core insulation layer that perfluoroethylene-propylene constitutes.
Further, described control core coating layer is that 2# lapping layer or rubber extrude layer.
Further, described oversheath is the oversheath that neoprene constitutes.
Beneficial effect after the employing technique scheme:
The first, three power core, a ground core, control core, 1# lapping layer and an oversheath are basic structure, meet coal-winning machine and contain safety requirements with the basic demand of cable.
The second, power line core conductor, ground wire core conductor all adopt the stranded zinc-plated soft copper conductor that forms, and make coal-winning machine more soft and toughness is strong with cable; Zinc-plated soft copper conductor and aramid fiber skein silk close the control line core conductor that forms, and pitch is little, and cable is when crooked and dilatory, and conductor is just as a spring, and most active force can concentrate on the aramid fiber silk, break thereby effectively avoided the control line core conductor to be broken and bend.This control line cored structure increases flexibility, intensity and the relative slipping property of the control core in the electric cable for coal mining machine.
The 3rd, at least three control line core conductors, and be twisted into a cell cube, and control core and power core are stranded have increased the relative slipping property between cable conductor and the external sheath layer, have reduced the frictional force between cable conductor and the oversheath, reduce wear.
The 4th, power core semiconductive shielding layer, the core semiconductive shielding layer, can improve the shielding properties of cable.
The 5th, the oversheath that neoprene constitutes has the premium properties of high strength, fire-retardant, wear-resisting, waterproof.
Description of drawings
Fig. 1 is first kind of structural representation of the present utility model;
Fig. 2 is second kind of structural representation of the present utility model.
Among the figure: 1, power core, 1-1, power line core conductor, 1-2, power line core insulation layer, 1-3, power core semiconductive shielding layer, 2, core, 2-1, ground wire core conductor, 2-2, the core semiconductive shielding layer, 3, control core, 3-1, control line core conductor, 3-2, control line core insulation layer, 3-3, control core coating layer, 4, lapping layer, 5, oversheath.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done explanation in further detail.
Embodiment one
As shown in Figure 1, a kind of rated voltage 1.9/3.3kV and following coal-winning machine cable, it comprises three power cores 1, a ground core 2, control core 3,1# lapping layer 4 and an oversheath 5,
And every power core 1 is made of power line core conductor 1-1 and power line core insulation layer 1-2, and power line core insulation layer 1-2 is positioned on the power line core conductor 1-1, and power line core conductor 1-1 is by many stranded the forming of zinc-plated soft copper conductor;
And ground core 2 is made of ground wire core conductor 2-1, and ground wire core conductor 2-1 also is by many stranded the forming of zinc-plated soft copper conductor;
And, control core 3 is by at least three control line core conductor 3-1, control line core insulation layer 3-2 and control core coating layer 3-3 constitute, wherein establish control line core insulation layer 3-2 on every control line core conductor 3-1, the control line core conductor 3-1 that contains control line core insulation layer is stranded, control line core conductor 3-1 after stranded coats control core coating layer 3-3, every control line core conductor 3-1 is closed by many zinc-plated soft copper conductors and aramid fiber skein silk to form the concrete stranded mode of control line core conductor: can but be not limited to twine or the method production control core conductor of multiple strand by many zinc-plated soft copper conductor layerings;
And centered by a ground core 2, three power cores 1, a control core 3 and a ground core 2 are twisted into cable core, and this cable core is established lapping layer 4 and oversheath 5 outward successively.
For specifying, the control line core conductor 3-1 number in above-described embodiment can but be not limited to 3,4,5 or more.Preferred the 6th kind of zinc-plated soft copper conductor of zinc-plated soft copper conductor in above-described embodiment makes cable more soft.The preferred ethylene propylene diene rubber of power line core insulation layer 1-2 in above-described embodiment or its analog constitute.The preferred perfluoroethylene-propylene of control line core insulation layer 3-2 in above-described embodiment or its analog constitute.Oversheath 5 preferred neoprenes in above-described embodiment constitute.Power line core conductor 3-1 in above-described embodiment, ground wire core conductor 2-1 can but be not limited to many zinc-plated soft copper conductors and adopt bundle to close and twist again mode, bundle closes with to twist direction again identical.
In addition, the control core coating layer 3-2 in above-described embodiment adopts 2# lapping layer or rubber to extrude layer.When adopting the 2# lapping layer, the wrapped control line core conductor 3-1 after stranded of 2# lapping layer realizes coating; When adopting rubber to extrude layer, rubber extrudes layer and extrudes control line core conductor 3-1 after stranded, and same the realization coats.
The tensile strength of aramid fiber silk is the twice of steel wire, is ten times of copper wire; Its percentage elongation only is 4%～5%, and mechanical performance does not change under 2000 ℃ of high temperature.It increases flexibility, intensity and the relative slipping property of the control core in the electric cable for coal mining machine keeping coal-winning machine rubber sleeve flexible cable original structure to extrude under the constant situation.
Embodiment two
As shown in Figure 2, a kind of rated voltage 1.9/3.3kV and following coal-winning machine cable, it comprises three power cores 1, a ground core 2, control core 3,1# lapping layer 4 and an oversheath 5,
And, every power core 1 is made of power line core conductor 1-1, power line core insulation layer 1-2 and power core semiconductive shielding layer 1-3, power line core insulation layer 1-2 is positioned on the power line core conductor 1-1, power core semiconductive shielding layer 1-3 is positioned on the power line core insulation layer 1-2, and power line core conductor 1-1 is by stranded the forming of zinc-plated soft copper conductor;
And ground core 2 is made of ground wire core conductor 2-1 and ground core semiconductive shielding layer 2-2, and ground core semiconductive shielding layer 2-2 is positioned on the ground wire core conductor 2-1, and ground wire core conductor 2-1 also is by stranded the forming of zinc-plated soft copper conductor;
And, control core 3 is made of at least three control line core conductor 3-1, control line core insulation layer 3-2 and control core coating layer 3-3, wherein establish control line core insulation layer 3-2 on every control line core conductor 3-1, the control line core conductor 3-1 that contains control line core insulation layer is stranded, control line core conductor 3-1 after stranded coats control core coating layer 3-3, and every control line core conductor 3-1 is closed by zinc-plated soft copper conductor and aramid fiber skein silk to form; The concrete stranded mode of control line core conductor: can but be not limited to twine or the method production control core conductor of multiple strand by many zinc-plated soft copper conductor layerings;
And centered by a ground core 2, three power cores 1, a control core 3 and a ground core 2 are twisted into cable core, and this cable core is established lapping layer 4 and oversheath 5 outward successively.
In like manner, the control line core conductor 3-1 number in above-described embodiment can but be not limited to 3,4,5 or more.Preferred the 6th kind of zinc-plated soft copper conductor of zinc-plated soft copper conductor in above-described embodiment.The preferred ethylene propylene diene rubber of power line core insulation layer 1-2 in above-described embodiment or its analog constitute.The preferred perfluoroethylene-propylene of control line core insulation layer 3-2 in above-described embodiment or its analog constitute.Oversheath 5 preferred neoprenes in above-described embodiment constitute.Power line core conductor 3-1 in above-described embodiment, ground wire core conductor 2-1 can but be not limited to many zinc-plated soft copper conductors and adopt bundle to close and twist again mode, bundle closes with to twist direction again identical.
In addition, the control core coating layer 3-2 in above-described embodiment adopts 2# lapping layer or rubber to extrude layer.When adopting the 2# lapping layer, the wrapped control line core conductor 3-1 after stranded of 2# lapping layer realizes coating; When adopting rubber to extrude layer, rubber extrudes layer and extrudes control line core conductor 3-1 after stranded, and same the realization coats.
Embodiment three
Embodiment three is with the difference of embodiment two: ground core 2.Ground core 2 in the present embodiment is made of ground wire core conductor 2-1, and ground wire core conductor 2-1 is by stranded the forming of zinc-plated soft copper conductor.Other technical characterictic is identical with embodiment two.
The utility model is not limited to above-described embodiment, and the technical scheme that all employings are equal to or the equivalence replacement forms all falls into the protection range that the utility model requires.
Claims (8)
1. a rated voltage 1.9/3.3kV and following coal-winning machine cable, it comprises three power cores (1), a ground core (2), control core (3), 1# lapping layer (4) and an oversheath (5), three power cores (1) and a control core (3) are twisted into cable core centered by a ground core (2), cable core is established lapping layer (4) and oversheath (5) outward successively, it is characterized in that:
Described any power core (1) is made of power line core conductor (1-1) and power line core insulation layer (1-2), power line core insulation layer (1-2) is positioned on the power line core conductor (1-1), and power line core conductor (1-1) is by the stranded power line core conductor that forms of zinc-plated soft copper conductor;
Described ground core (2) is made of ground wire core conductor (2-1), and ground wire core conductor (2-1) is by the stranded ground wire core conductor (2-1) that forms of zinc-plated soft copper conductor;
Described control core (3) is made of at least three control line core conductors (3-1), control line core insulation layer (3-2) and control core coating layer (3-3), establish control line core insulation layer (3-2) on any control line core conductor (3-1), control core coating layer (3-3) is coated on stranded and contains on the control line core conductor (3-1) of control line core insulation layer, and any control line core conductor (3-1) is to close the control line core conductor that forms by zinc-plated soft copper conductor and aramid fiber skein silk.
2. coal-winning machine cable according to claim 1 is characterized in that:
Described any power core (1) also has additional power core semiconductive shielding layer (1-3), and power core semiconductive shielding layer (1-3) is positioned on the described power line core insulation layer (1-2).
3. coal-winning machine cable according to claim 1 is characterized in that:
Described ground core (2) also has additional ground core semiconductive shielding layer (2-2), and ground core semiconductive shielding layer (2-2) is positioned on the described ground wire core conductor (2-1).
4. according to claim 1,2 or 3 described coal-winning machine cables, it is characterized in that: described zinc-plated soft copper conductor is the 6th kind of zinc-plated soft copper conductor.
5. according to claim 1,2 or 3 described coal-winning machine cables, it is characterized in that: described power line core insulation layer (1-2) is the power line core insulation layer that ethylene propylene diene rubber constitutes.
6. according to claim 1,2 or 3 described coal-winning machine cables, it is characterized in that: described control line core insulation layer (3-2) is the control line core insulation layer that perfluoroethylene-propylene constitutes.
7. according to claim 1,2 or 3 described coal-winning machine cables, it is characterized in that: described control core coating layer (3-2) is that 2# lapping layer or rubber extrude layer.
8. according to claim 1,2 or 3 described coal-winning machine cables, it is characterized in that: described oversheath (5) is the oversheath that neoprene constitutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202075395U CN203217981U (en) | 2013-04-23 | 2013-04-23 | Cable used for coal mining machine with 1.9/3.3kV or lower rated voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202075395U CN203217981U (en) | 2013-04-23 | 2013-04-23 | Cable used for coal mining machine with 1.9/3.3kV or lower rated voltage |
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| Publication Number | Publication Date |
|---|---|
| CN203217981U true CN203217981U (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202075395U Expired - Lifetime CN203217981U (en) | 2013-04-23 | 2013-04-23 | Cable used for coal mining machine with 1.9/3.3kV or lower rated voltage |
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| Country | Link |
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| CN (1) | CN203217981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427931A (en) * | 2015-12-31 | 2016-03-23 | 齐鲁电缆有限公司 | Coal cutter flexible cable with reduced bearing force of control wire core |
-
2013
- 2013-04-23 CN CN2013202075395U patent/CN203217981U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427931A (en) * | 2015-12-31 | 2016-03-23 | 齐鲁电缆有限公司 | Coal cutter flexible cable with reduced bearing force of control wire core |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |