CN204740876U - Electric scooptram reel pulls uses cable - Google Patents
Electric scooptram reel pulls uses cable Download PDFInfo
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- CN204740876U CN204740876U CN201520512604.4U CN201520512604U CN204740876U CN 204740876 U CN204740876 U CN 204740876U CN 201520512604 U CN201520512604 U CN 201520512604U CN 204740876 U CN204740876 U CN 204740876U
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Abstract
The utility model discloses an electric scooptram reel pulls uses cable, the middle part is equipped with the tensile core that has the triangle -shaped cross -section, three wire peripherys are provided with three ground wires, three ground wires are located respectively between two adjacent wires, , on one han, divide into the three piece ground wires of setting around the wire with a ground wire of conventionality, structure stranding according to 3+3, guarantee under the safe prerequisite of cable conduction, make cable core compact structure, compare with the four -core structure that effective work sectional area equals, the external diameter reduces greatly, thereby reduce raw materials quantity and cable weight, on the other hand, the outside inner sheath that adopts of cable core, antitorque tensile enhancement layer, the structure of oversheath, and processing technology is simple, when guaranteeing cable core stable in structure, and can guarantee stretch -proofingly, antitorque song, wear resistance. The utility model provides an electric scooptram reel pulls uses cable, compact structure, weight are little, soft flexible, stretch -proofing, antitorque song, wear -resisting.
Description
Technical field
The utility model relates to field of cable technology, particularly relates to a kind of electric LHD reel towing cable.
Background technology
Along with the development of modern mining industry, as the electric LHD (power-actuated scraper) of underground Trackless self charging appliance because having without exhaust emission, noise is little, work efficiency is high, operate the advantages such as comfortable, good in economic efficiency, be widely used.At present, with the reel towing cable that electric LHD is supporting, there is import, also have domestic.Although the electric LHD reel towing cable useful life longer (on average at about 10 months) of import, expensive, the delivery cycle is long, easily affects production efficiency; Domestic electric LHD reel towing cable is then contrary, although low price (being about 1/3rd of imported product), delivery date is also secure, but useful life not good enough (on average at about 3 months).
In addition, no matter be import, or it is domestic, this traditional electric LHD reel towing cable insulated wire cores is generally 4 cores (4 cores such as grade or 3+1 core), insulating material generally adopts ethylene-propylene rubber, and sheath material generally adopts the neoprene of high strength, but rubber insulation and sheath density all larger, thus the outside diameter of cable is large, Heavy Weight.And the electric LHD reel cable complex manufacturing of this traditional ethylene propylene rubber insulated high strength chloroprene rubber sheath, control difficulty large, need high-temperature high-pressure steam to carry out continuous vulcanization, so manufacturing cost is also higher.
Utility model content
For solving the technical problem existed in background technology, the utility model proposes a kind of electric LHD reel towing cable, select the elastic body insulated and sheath material that density is little, use the common extrusion line manufacture that general cable producer all has, compact conformation, weight are little, softness, stretch-proof, wear-resisting.
A kind of electric LHD reel towing cable that the utility model proposes, comprising: cable core, inner sheath, antitorque tensile reinforcement layers, external sheath layer;
Cable core comprises tensile core, three wires, three ground wires, tensile core is positioned in the middle part of cable core, it has triangular-section, three wires are parallel to tensile core and arrange and respectively against three sidewalls of tensile core, wire comprises the first conductor being positioned at middle part and the first insulating barrier being coated on the first conductor outside, three ground wires lay respectively at away from tensile core side between adjacent two wires, and ground wire comprises the second conductor being positioned at middle part and the second insulating barrier being coated on the second conductor outside;
Inner sheath is outside and be extruded between wire and ground wire at cable core, and antitorque tensile reinforcement layers is coated on inner sheath outside, and it is outside that oversheath is coated on antitorque tensile reinforcement layers.
Preferably, tensile core has three curved walls.
Preferably, ground wire sidewall is against the sidewall of adjacent two wires.
Preferably, the first insulating barrier and/or the second insulating barrier adopt thermoplasticity TPE elastomer material to make.
Preferably, inner sheath employing thermoplasticity TPE elastomer material extrudes and forms.
Preferably, oversheath adopts Thermoplastic polyurethane elastomer material to make.
Preferably, antitorque tensile reinforcement layers adopts aramid fiber yarn braiding to form.
Preferably, the first conductor adopts copper core flexible conductor, and the first conductor and the first insulating barrier are arranged with one heart.
Preferably, the second conductor adopts copper core flexible conductor, and the second conductor and the second insulating barrier are arranged with one heart.
In the utility model, the electric LHD reel towing cable proposed, middle part is provided with the tensile core with triangular-section, three wire peripheries are provided with three ground wires, three ground wires lay respectively between adjacent two wires, on the one hand, routine ground wire is divided into three ground wires be arranged on around wire, according to the structure stranding of 3+3, under ensureing the prerequisite of cable conduction safety, make cable core structure compact, compared with amassing equal quadrature arrangement with effective working section, external diameter reduces greatly, thus reduce raw material dosage and cable weight, on the other hand, cable core outside adopts inner sheath, reinforced layer, the structure of oversheath, processing technology is simple, while ensureing that cable core structure is stable, and stretch-proof torsional resistance can be ensured.By the electric LHD reel towing cable of above-mentioned optimal design, compact conformation, weight are little, softness, stretch-proof, wear-resisting.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of electric LHD reel towing cable that the utility model proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of electric LHD reel towing cable that the utility model proposes.
With reference to Fig. 1, a kind of electric LHD reel towing cable that the utility model proposes, comprising: cable core, inner sheath 4, antitorque tensile reinforcement layers 5, external sheath layer 6;
Cable core comprises tensile core 3, three wires 1, three ground wires 2, tensile core 3 is positioned in the middle part of cable core, it has triangular-section, tensile core 3 has three curved walls, three wires 1 are parallel to tensile core 3 and arrange and respectively against three sidewalls of tensile core 3, wire 1 comprises the first conductor 11 being positioned at middle part and the first insulating barrier 12 being coated on the first conductor 11 outside, first conductor 11 adopts copper core flexible conductor, first insulating barrier 12 adopts thermoplasticity TPE elastomer material to make, first conductor 11 and the first insulating barrier 12 are arranged with one heart, three ground wires 2 lay respectively between adjacent two wires 1 away from tensile core 3 side, ground wire 2 sidewall is against the sidewall of adjacent two wires 1, ground wire 2 comprises the second conductor 21 being positioned at middle part and the second insulating barrier 22 being coated on the second conductor 21 outside, second conductor 21 adopts copper core flexible conductor, second insulating barrier 22 adopts thermoplasticity TPE elastomer material to make, second conductor 21 and the second insulating barrier 22 are arranged with one heart,
Inner sheath 4 adopts thermoplasticity TPE elastomer material to make, it is outside and be extruded between wire 1 and ground wire 2 at cable core, it is outside that antitorque tensile reinforcement layers 5 is coated on inner sheath 4, antitorque tensile reinforcement layers 5 adopts aramid fiber yarn to weave and forms, it is outside that oversheath 6 is coated on antitorque tensile reinforcement layers 5, and oversheath 6 adopts Thermoplastic polyurethane elastomer material to make.
The electric LHD reel towing cable of the present embodiment, in use, on the one hand, routine ground wire is divided into three ground wires be arranged on around wire, according to the structure stranding of 3+3, under ensureing the prerequisite of cable conduction safety, make cable core structure compact, compared with amassing equal quadrature arrangement with effective working section, external diameter reduces greatly, thus reduce raw material dosage and cable weight, on the other hand, cable core outside adopts inner sheath, reinforced layer, the structure of oversheath, processing technology is simple, while ensureing that cable core structure is stable, and the anti-twist anti-wear performance of stretch-proof can be ensured.
In the present embodiment, the electric LHD reel towing cable proposed, compact conformation, weight are little, softness, stretch-proof, anti-twist, wear-resisting.
In a specific embodiment, tensile core has three curved walls, and three wires are resisted against on three curved walls respectively, and ground wire sidewall is against the sidewall of adjacent two wires, inner sheath is extruded between wire and ground wire, ensures compactedness and the stability of cable core internal structure further.
Insulating barrier and inner sheath material all adopt thermoplasticity TPE elastomer, oversheath adopts TPUE, common extrusion process can be produced, technique is simple, operation controls easily, and do not need additionally to supply high-temperature high-pressure steam, thus manufacturing cost also decreases, and arrange the antitorque tensile reinforcement layers adopting aramid fiber yarn braiding between interior oversheath, it ensure that the tensile property of cable together with tensile core.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection range of the present utility model.
Claims (9)
1. an electric LHD reel towing cable, is characterized in that, comprising: cable core, inner sheath (4), antitorque reinforced layer (5), external sheath layer (6);
Cable core comprises tensile core (3), three wires (1), three ground wires (2), tensile core (3) is positioned in the middle part of cable core, it has triangular-section, three wires (1) are parallel to tensile core (3) and arrange and respectively against three sidewalls of tensile core (3), wire (1) comprises the first conductor (11) being positioned at middle part and the first insulating barrier (12) being coated on the first conductor (11) outside, three ground wires (2) lay respectively between adjacent two wires (1) away from tensile core (3) side, ground wire (2) comprises the second conductor (21) being positioned at middle part and the second insulating barrier (22) being coated on the second conductor (21) outside,
Inner sheath (4) is positioned at cable core outside and is extruded between wire (1) and ground wire (2), it is outside that antitorque tensile reinforcement layers (5) is coated on inner sheath (4), and it is outside that oversheath (6) is coated on antitorque tensile reinforcement layers (5).
2. electric LHD reel towing cable according to claim 1, it is characterized in that, tensile core (3) has three curved walls.
3. electric LHD reel towing cable according to claim 1, is characterized in that, ground wire (2) sidewall is against the sidewall of adjacent two wires (1).
4. electric LHD reel towing cable according to claim 1, is characterized in that, the first insulating barrier (12) and/or the second insulating barrier (22) adopt thermoplasticity TPE elastomer material to make.
5. electric LHD reel towing cable according to claim 1, is characterized in that, inner sheath (4) adopts thermoplasticity TPE elastomer material to extrude and makes.
6. electric LHD reel towing cable according to claim 1, is characterized in that, oversheath (6) adopts Thermoplastic polyurethane elastomer material to make.
7. electric LHD reel towing cable according to claim 1, is characterized in that, antitorque tensile reinforcement layers (5) adopts aramid fiber yarn braiding to form.
8. electric LHD reel towing cable according to claim 1, is characterized in that, the first conductor (11) adopts copper core flexible conductor, and the first conductor (11) and the first insulating barrier (12) are arranged with one heart.
9. electric LHD reel towing cable according to claim 1, is characterized in that, the second conductor (21) adopts copper core flexible conductor, and the second conductor (21) and the second insulating barrier (22) are arranged with one heart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520512604.4U CN204740876U (en) | 2015-07-14 | 2015-07-14 | Electric scooptram reel pulls uses cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520512604.4U CN204740876U (en) | 2015-07-14 | 2015-07-14 | Electric scooptram reel pulls uses cable |
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| Publication Number | Publication Date |
|---|---|
| CN204740876U true CN204740876U (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520512604.4U Active CN204740876U (en) | 2015-07-14 | 2015-07-14 | Electric scooptram reel pulls uses cable |
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| Country | Link |
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| CN (1) | CN204740876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU199689U1 (en) * | 2020-06-15 | 2020-09-15 | Сергей Иванович Чуловский | Mine power flexible cable |
| RU199748U1 (en) * | 2020-06-15 | 2020-09-17 | Сергей Иванович Чуловский | Mine power flexible cable |
-
2015
- 2015-07-14 CN CN201520512604.4U patent/CN204740876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU199689U1 (en) * | 2020-06-15 | 2020-09-15 | Сергей Иванович Чуловский | Mine power flexible cable |
| RU199748U1 (en) * | 2020-06-15 | 2020-09-17 | Сергей Иванович Чуловский | Mine power flexible cable |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |