CN203562214U - Mining cable - Google Patents

Mining cable Download PDF

Info

Publication number
CN203562214U
CN203562214U CN201320755321.3U CN201320755321U CN203562214U CN 203562214 U CN203562214 U CN 203562214U CN 201320755321 U CN201320755321 U CN 201320755321U CN 203562214 U CN203562214 U CN 203562214U
Authority
CN
China
Prior art keywords
conductor
semiconductive
insulating barrier
core
saddle
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.)
Active
Application number
CN201320755321.3U
Other languages
Chinese (zh)
Inventor
张东杰
袁杰
王雪松
李斌
梁福才
赵力
王永财
丁伟峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Shangshang Cable Group Co Ltd
Original Assignee
Jiangsu Shangshang Cable Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Shangshang Cable Group Co Ltd filed Critical Jiangsu Shangshang Cable Group Co Ltd
Priority to CN201320755321.3U priority Critical patent/CN203562214U/en
Application granted granted Critical
Publication of CN203562214U publication Critical patent/CN203562214U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a mining cable, and especially relates to a mining cable for opencast working, underground mining and mining under mine. The mining cable is mainly suitable for electric power mining equipment with a rated voltage of 22/22kV or below. The technical scheme is that the mining cable comprises three power wire cores (7), a guide wire core (11) and an outer sheath (13), the guide wire core (11) is positioned at the center of the mining cable, and the three power wire cores (7) are stranded around the guide wire core (11); and a saddle-shaped filling (8) is disposed among the three power wire cores (7), and the three power wire cores (7), the guide wire core (11) and the saddle-shaped filling (8) are stranded together to form a 1# cable core (12). By adoption of the technical scheme, the mining cable is high in reliability and good in safety.

Description

A kind of mining cable
Technical field
The utility model relates to a kind of power cable, particularly a kind of strip mining transformation, underground mining and ore deposit underground mining mining cable.It is mainly applicable to rated voltage 22/22kV and following electric power winning equipment.
Background technology
Mining activity environment is severe.The adverse circumstances that need to adapt to mining for the cable of digging up mine.
Take colliery as example, because the environment for use being subject to restriction, coal mining device should should be stablized by its cable core structure with cable, reliable.
Existing mining equipment cable, as: Chinese patent notification number CN203070796U, a kind of Coal Electricity cable is disclosed, it comprises insulated wire cores and restrictive coating, there are inner restrictive coating and external sheath layer in insulating barrier outside, is provided with supervision core between inner sheath and external sheath layer.Separately, from the accompanying drawing 1 of this bulletin file, the core of its cable is three core structures.
Stability, the reliability of existing mining cable are general, and for the use of the occasions such as specific coiling, towing, cable is low useful life.
Separately, the development > > of the peelable cross-linking type EVA of < < semiconductive insulation shielding material (the 46th page of the 37th the 5th phase of volume of < < plastics industry > > of publishing in May, 2009) discloses the feature of cross-linking type EVA semiconductive insulation shielding material, for cable processing provides new selection.
Summary of the invention
The purpose of this utility model is for deficiency of the prior art, and a kind of mining cable is provided, and it is applicable to rated voltage 22/22kV and following, its objective is: improve stability, reliability and useful life.
For achieving the above object, the utility model is by the following technical solutions: a kind of mining cable, and it includes three power cores, guiding core and oversheath, and guiding core is positioned at the center of mining cable, three power cores are stranded around guiding core, wherein:
In the middle of described three power cores, be also provided with the shape of a saddle and fill, it is that the shape of a saddle consisting of semiconductive shape of a saddle packing is filled that the shape of a saddle is filled, and described three power cores, a described guiding core are twisted into 1# cable core together with shape of a saddle filling;
Any described power core consists of 1# conductor, conductor shield, 1# insulating barrier, semiconductive insulation screen, semiconductive isolation strip and metal knitted screen, conductor shield, 1# insulating barrier and semiconductive insulation screen are three-layer co-extruded on 1# conductor outer surface, the wrapped semiconductive insulation screen in semiconductive isolation strip, metal knitted screen is located on the outer surface of semiconductive isolation strip;
Described guiding core consists of 2# conductor and 2# insulating barrier, and 2# insulating barrier is extruded on 2# conductor outer surface;
Described oversheath is positioned on 1# cable core outer surface.
Further, described conductor shield is the conductor shield consisting of cross-linking type EVA material, and described 1# insulating barrier is the insulating barrier that ethylene-propylene rubber forms, and described semiconductive insulation screen is the semiconductive insulation screen consisting of peelable cross-linking type EVA material.
Further, described 2# insulating barrier is the insulating barrier that ethylene-propylene rubber forms, and it is that the semiconductive shape of a saddle consisting of EVA rubber and conductive black is filled that the described semiconductive shape of a saddle is filled.
Further, described semiconductive isolation strip is the special many tengential belts of semiconductive, and described metal knitted screen is tincopper fuse wire braided armor.
Further, described 1# conductor is zinc-plated soft copper conductor, and described 2# conductor is zinc-plated soft copper conductor, and described oversheath is the oversheath consisting of haloflex.
A mining cable, it includes three power cores, three ground cores of a guiding core and oversheath, and guiding core is positioned at the center of mining cable, three power cores and three core spaces, ground stranded around guiding core, wherein:
In the middle of described three power cores and three ground cores, being also provided with the shape of a saddle fills, it is that the shape of a saddle consisting of semiconductive shape of a saddle packing is filled that the shape of a saddle is filled, and described three power cores, a described guiding core, described three ground cores are twisted into 2# cable core together with shape of a saddle filling;
Any described power core consists of 1# conductor, conductor shield, 1# insulating barrier and semiconductive insulation screen, and conductor shield, 1# insulating barrier and semiconductive insulation screen are three-layer co-extruded on 1# conductor outer surface;
Described guiding core consists of 2# conductor and 2# insulating barrier, and 2# insulating barrier is extruded on 2# conductor outer surface;
Described ground core consists of 3# conductor and semi-conductive layer, and semi-conductive layer is extruded on 3# conductor outer surface;
Also be provided with inner sheath and fiber braiding layer, inner sheath is positioned on 2# cable core outer surface, the wrapped inner sheath of fiber braiding layer, and described oversheath is positioned on filament braid outer surface.
Further, described conductor shield is the conductor shield consisting of cross-linking type EVA material, and described 1# insulating barrier is the insulating barrier that ethylene-propylene rubber forms, and described semiconductive insulation screen is the semiconductive insulation screen consisting of peelable cross-linking type EVA material.
Further, described 2# insulating barrier is the insulating barrier that ethylene-propylene rubber forms, and it is that the semiconductive shape of a saddle consisting of EVA rubber and conductive black is filled that the described semiconductive shape of a saddle is filled.
Further, described inner sheath is the semi-conductive layer consisting of EVA rubber and conductive black, and described oversheath is the oversheath consisting of haloflex.
Further, described 1# conductor is zinc-plated soft copper conductor, and described 2# conductor is zinc-plated soft copper conductor, and described 3# conductor is zinc-plated soft copper conductor.
Adopt the beneficial effect after technique scheme:
1, the design that the shape of a saddle is filled, acts in three power core gaps, has stablized the structure of cable, and the construction of cable is stable, reliability is high.In another structure, shape of a saddle filling effect, in three power cores and core gap, three ground, has been stablized the structure of cable equally, and the construction of cable is stable, reliability is high.Each core is shared electric load, adapts to the requirement of rated voltage 22/22kV, and fail safe is good.
2, cross-linking type EVA semiconductive insulating barrier, ethylene propylene rubber insulated layer and peelable cross-linking type EVA semiconductive insulating barrier, three-layer co-extruded, and cross-linking type EVA material and high electrical performance ethylene-propylene rubber granular materials are in conjunction with tight.Conductor shield, insulation screen are extruded in respectively conductor and insulated outer surface, improve cable field uniformity.
3, semi-conductive layer is extruded on 2# conductor outer surface and forms ground core, has improved the electric conductivity of ground core.
4, the preferred zinc-plated soft copper conductor of conductor, makes whole cable soft, adapts to and reels and tension requirement.
5, the power line core insulation layer that ethylene propylene diene rubber forms guarantees insulation effect.
6, the oversheath that haloflex forms has high tensile, high abrasion, oil resistant, UV resistant, resistance to ozone, fire-retardant premium properties.
Accompanying drawing explanation
Fig. 1 is the first structural representation of the present utility model;
Fig. 2 is the second structural representation of the present utility model.
In figure: 1,1# conductor, 2, conductor shield, 3,1# insulating barrier, 4, semiconductive insulation screen, 5, semiconductive isolation strip, 6, metal knitted screen, 7, power core, 8, the shape of a saddle fills, 9,2# conductor, 10,2# insulating barrier, 11, guiding core, 12,1# cable core, 13, oversheath, 14,3# conductor, 15, semi-conductive layer, 16, core, 17,2# cable core, 18, inner sheath, 19, fiber braiding layer.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Embodiment mono-
As shown in Figure 1, for being applicable to rated voltage 22/22kV and following mineral electrical apparatus, inventor proposes a kind of mining cable.
This mining cable includes three power cores 7, guiding core 11 and oversheath 13, wherein:
Guiding core 11 is positioned at the center of mining cable, and three power cores 7 distribute around guiding core 11;
In the middle of three power cores 7, be also provided with the shape of a saddle and fill 8, it is that the shape of a saddle consisting of semiconductive shape of a saddle packing is filled that the shape of a saddle fills 8, and the semiconductive shape of a saddle is filled the 8 semiconductive shapes of a saddle that preferably consist of EVA rubber and conductive black and filled;
Three power cores 7, a guiding core 11 are twisted into 1# cable core 12 together with filling 8 with the shape of a saddle;
Any power core 7 consists of 1# conductor 1, conductor shield 2,1# insulating barrier 3, semiconductive insulation screen 4, semiconductive isolation strip 5 and metal knitted screen 6, conductor shield 2,1# insulating barrier 3 and semiconductive insulation screen 4 are three-layer co-extruded on 1# conductor 1 outer surface, the wrapped semiconductive insulation screen 4 in semiconductive isolation strip 5, metal knitted screen 6 is located on 5 outer surfaces of semiconductive isolation strip;
Guiding core 11 consists of 2# conductor 9 and 2# insulating barrier 10, and 2# insulating barrier 10 is extruded on 2# conductor 9 outer surfaces;
Oversheath 13 is positioned on 1# cable core 12 outer surfaces.
The conductor shield that aforementioned conductor shield 2 preferably consists of cross-linking type EVA material, the insulating barrier that the preferred ethylene-propylene rubber of aforementioned 1# insulating barrier 3 forms, the semiconductive insulation screen that aforementioned semiconductive insulation screen 4 preferably consists of peelable cross-linking type EVA material.So, cross-linking type EVA material and high electrical performance ethylene-propylene rubber granular materials are in conjunction with tight.
The insulating barrier that the preferred ethylene-propylene rubber of aforementioned 2# insulating barrier 10 forms.So, guarantee cable electrical safety, reliability.
The special many tengential belts of the preferred semiconductive in aforementioned semiconductive isolation strip 5, aforementioned metal woven shield 6 is tincopper fuse wire braided armor preferably.So, guarantee cable shield.
The preferred zinc-plated soft copper conductor of aforementioned 1# conductor 1, the preferred zinc-plated soft copper conductor of aforementioned 2# conductor 9.The preferred zinc-plated soft copper conductor of conductor, makes whole cable soft, adapts to and reels and tension requirement.
Aforementioned oversheath 13 is preferably by haloflex.Make cable can better adapt to severe mining environment.
Embodiment bis-
As shown in Figure 2, a kind of mining cable, it includes three power cores 7, guiding core 11, three ground cores 16, inner sheath 18, fiber braiding layer 19 and oversheaths 13, wherein:
Guiding core 11 is positioned at the center of mining cable, and three power cores 7 and three core 16 spaces, ground also distribute around guiding core 11;
In the middle of three power cores 7 and three ground cores 16, be also provided with the shape of a saddle and fill 8, it is that the shape of a saddle consisting of semiconductive shape of a saddle packing is filled that the shape of a saddle fills 8, and the semiconductive shape of a saddle is filled the 8 semiconductive shapes of a saddle that preferably consist of EVA rubber and conductive black and filled;
Three power cores 7, guiding core 11, three ground cores 16 are twisted into 2# cable core 17 together with filling 8 with the shape of a saddle;
Any power core 7 consists of 1# conductor 1, conductor shield 2,1# insulating barrier 3 and semiconductive insulation screen 4, and conductor shield 2,1# insulating barrier 3 and semiconductive insulation screen 4 are three-layer co-extruded on 1# conductor 1 outer surface;
Guiding core 11 consists of 2# conductor 9 and 2# insulating barrier 10, and 2# insulating barrier 10 is extruded on 2# conductor 9 outer surfaces;
Ground core consists of 3# conductor 14 and semi-conductive layer 15, and semi-conductive layer 15 is extruded on 3# conductor 14 outer surfaces;
The wrapped inner sheath 18 of fiber braiding layer 19, oversheath 13 is positioned on filament braid 19 outer surfaces.
In like manner, the conductor shield that aforementioned conductor shield 2 preferably consists of cross-linking type EVA material, the insulating barrier that the preferred ethylene-propylene rubber of aforementioned 1# insulating barrier 3 forms, the semiconductive insulation screen that aforementioned semiconductive insulation screen 4 preferably consists of peelable cross-linking type EVA material.The insulating barrier that the preferred ethylene-propylene rubber of aforementioned 2# insulating barrier 10 forms.Aforementioned oversheath 13 is preferably by haloflex.
For making cable there is higher electrical property, the semi-conductive layer that aforementioned inner sheath 18 preferably consists of EVA rubber and conductive black.
For making cable soft, the preferred zinc-plated soft copper conductor of aforementioned 1# conductor 1, the preferred zinc-plated soft copper conductor of aforementioned 2# conductor 9, the preferred zinc-plated soft copper conductor of aforementioned 3# conductor 14.
The utility model is not limited to above-described embodiment, and the technical scheme that all employings are equal to replacement or equivalence replacement formation all belongs to the claimed scope of the utility model.

Claims (10)

1. a mining cable, it includes three power cores (7), guiding core (11) and an oversheath (13), guiding core (11) is positioned at the center of mining cable, and three power cores (7) are stranded around guiding core (11), it is characterized in that:
In the middle of described three power cores (7), be also provided with the shape of a saddle and fill (8), it is that the shape of a saddle consisting of semiconductive shape of a saddle packing is filled that the shape of a saddle is filled (8), and described three power cores (7), a described guiding core (11) and the shape of a saddle are filled (8) and be twisted into together 1# cable core (12);
Any described power core (7) consists of 1# conductor (1), conductor shield (2), 1# insulating barrier (3), semiconductive insulation screen (4), semiconductive isolation strip (5) and metal knitted screen (6), conductor shield (2), 1# insulating barrier (3) and semiconductive insulation screen (4) are three-layer co-extruded on 1# conductor (1) outer surface, the wrapped semiconductive insulation screen in semiconductive isolation strip (5) (4), metal knitted screen (6) is located on the outer surface of semiconductive isolation strip (5);
Described guiding core (11) consists of 2# conductor (9) and 2# insulating barrier (10), and 2# insulating barrier (10) is extruded on 2# conductor (9) outer surface;
Described oversheath (13) is positioned on 1# cable core (12) outer surface.
2. a kind of mining cable according to claim 1, it is characterized in that: described conductor shield (2) is the conductor shield consisting of cross-linking type EVA material, described 1# insulating barrier (3) is the insulating barrier that ethylene-propylene rubber forms, and described semiconductive insulation screen (4) is the semiconductive insulation screen consisting of peelable cross-linking type EVA material.
3. a kind of mining cable according to claim 1, is characterized in that: described 2# insulating barrier (10) is the insulating barrier that ethylene-propylene rubber forms, and it is that the semiconductive shape of a saddle consisting of EVA rubber and conductive black is filled that the described semiconductive shape of a saddle is filled (8).
4. a kind of mining cable according to claim 1, is characterized in that: described semiconductive isolation strip (5) is the special many tengential belts of semiconductive, and described metal knitted screen (6) is tincopper fuse wire braided armor.
5. a kind of mining cable according to claim 1, is characterized in that: described 1# conductor (1) is zinc-plated soft copper conductor, and described 2# conductor (9) is zinc-plated soft copper conductor, and described oversheath (13) is the oversheath consisting of haloflex.
6. a mining cable, it includes three power cores (7), a guiding core (11), three ground core (16) and oversheaths (13), guiding core (11) is positioned at the center of mining cable, three power cores (7) and three core (16) spaces, ground stranded around guiding core (11), is characterized in that:
In the middle of described three power cores (7) and three ground cores (16), be also provided with the shape of a saddle and fill (8), it is that the shape of a saddle consisting of semiconductive shape of a saddle packing is filled that the shape of a saddle is filled (8), and described three power cores (7), a described guiding core (11), described three ground cores (16) and the shape of a saddle are filled (8) and be twisted into together 2# cable core (17);
Any described power core (7) consists of 1# conductor (1), conductor shield (2), 1# insulating barrier (3) and semiconductive insulation screen (4), and conductor shield (2), 1# insulating barrier (3) and semiconductive insulation screen (4) are three-layer co-extruded on 1# conductor (1) outer surface;
Described guiding core (11) consists of 2# conductor (9) and 2# insulating barrier (10), and 2# insulating barrier (10) is extruded on 2# conductor (9) outer surface;
Described ground core consists of 3# conductor (14) and semi-conductive layer (15), and semi-conductive layer (15) is extruded on 3# conductor (14) outer surface;
Also be provided with inner sheath (18) and fiber braiding layer (19), inner sheath (18) is positioned on 2# cable core (17) outer surface, the wrapped inner sheath of fiber braiding layer (19) (18), and described oversheath (13) is positioned on filament braid (19) outer surface.
7. a kind of mining cable according to claim 6, it is characterized in that: described conductor shield (2) is the conductor shield consisting of cross-linking type EVA material, described 1# insulating barrier (3) is the insulating barrier that ethylene-propylene rubber forms, and described semiconductive insulation screen (4) is the semiconductive insulation screen consisting of peelable cross-linking type EVA material.
8. a kind of mining cable according to claim 6, is characterized in that: described 2# insulating barrier (10) is the insulating barrier that ethylene-propylene rubber forms, and it is that the semiconductive shape of a saddle consisting of EVA rubber and conductive black is filled that the described semiconductive shape of a saddle is filled (8).
9. a kind of mining cable according to claim 6, is characterized in that: described inner sheath (18) is the semi-conductive layer consisting of EVA rubber and conductive black, and described oversheath (13) is the oversheath consisting of haloflex.
10. a kind of mining cable according to claim 6, is characterized in that: described 1# conductor (1) is zinc-plated soft copper conductor, and described 2# conductor (9) is zinc-plated soft copper conductor, and described 3# conductor (14) is zinc-plated soft copper conductor.
CN201320755321.3U 2013-11-25 2013-11-25 Mining cable Active CN203562214U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320755321.3U CN203562214U (en) 2013-11-25 2013-11-25 Mining cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320755321.3U CN203562214U (en) 2013-11-25 2013-11-25 Mining cable

Publications (1)

Publication Number Publication Date
CN203562214U true CN203562214U (en) 2014-04-23

Family

ID=50511918

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320755321.3U Active CN203562214U (en) 2013-11-25 2013-11-25 Mining cable

Country Status (1)

Country Link
CN (1) CN203562214U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104616818A (en) * 2015-01-30 2015-05-13 江苏中煤电缆有限公司 Novel underground coal mine cable for shuttle vehicle
CN106373646A (en) * 2016-08-26 2017-02-01 江苏上上电缆集团有限公司 Wear-resistant, drag-resistant and low-temperature resistant flexible cable and fabrication method thereof
CN110718336A (en) * 2019-10-08 2020-01-21 江苏上上电缆集团有限公司 Locomotive cable manufacturing method and cable
WO2022052520A1 (en) * 2020-09-14 2022-03-17 常州船用电缆有限责任公司 Winding and dragging cable for overground mining engineering and production process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104616818A (en) * 2015-01-30 2015-05-13 江苏中煤电缆有限公司 Novel underground coal mine cable for shuttle vehicle
CN106373646A (en) * 2016-08-26 2017-02-01 江苏上上电缆集团有限公司 Wear-resistant, drag-resistant and low-temperature resistant flexible cable and fabrication method thereof
CN110718336A (en) * 2019-10-08 2020-01-21 江苏上上电缆集团有限公司 Locomotive cable manufacturing method and cable
WO2022052520A1 (en) * 2020-09-14 2022-03-17 常州船用电缆有限责任公司 Winding and dragging cable for overground mining engineering and production process

Similar Documents

Publication Publication Date Title
CN203562214U (en) Mining cable
CN202996379U (en) Multifunctional large-section mine-used mobile metal shielded soft cable
CN203366774U (en) Aluminum alloy conductor movable metal shield monitor type rubber sheath soft cable for mine
CN102708981A (en) Optical-fiber composite type mining cable
CN203288332U (en) Wear-resistant weather-resistant anti-dragging flexible cable for surface mine
CN202694847U (en) Medium-voltage movable shielding monitoring rubber jacketed extra-flexible cable for coal mine
CN103928178A (en) Outdoor mobile dragging 10kilovolt cable
CN201910283U (en) Mining water-resisting medium-voltage cable
CN102610310A (en) Mobile metal shielded centralized monitoring type flexible cable for coal mine
CN203562227U (en) A metallurgy high-temperature-resistant power cable
CN102789829A (en) Anti-bending flexible cable of shearer
CN203444838U (en) Cable for coal mines
CN206893313U (en) Mining waterproofing type anti-explosion signal cable
CN202976931U (en) Mining-signal-combination flexible cable
CN202650596U (en) Composite cable used for oil exploitation equipment
CN202487243U (en) Movable metal shielding centralized monitoring type flexible cable for coal mine
CN203150291U (en) Coal mine power cable
CN204463861U (en) A kind of colliery low smoke and zero halogen scandium-aluminum alloy conductor mobile monitoring type flexible cable
CN204315260U (en) A kind of shielding dual-purpose type frequency-changing cable
CN201717020U (en) Multi-core industrial circuit control cable containing power lines
CN203617025U (en) Cable for coal mine frequency conversion device with nominal voltage being 1.9/3.3 kV and below
CN204577167U (en) A kind of Novel overhead insulated cable
CN204614465U (en) A kind of shielding supervision type cable
CN203760116U (en) Power cable
CN203311867U (en) Aluminium alloy-conductor shielded monitor reinforce rubber jacketed flexible cable used for coal cutter

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model