CN204480767U - A kind of tensile type electric cable for coal mining machine - Google Patents
A kind of tensile type electric cable for coal mining machine Download PDFInfo
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- CN204480767U CN204480767U CN201520102815.0U CN201520102815U CN204480767U CN 204480767 U CN204480767 U CN 204480767U CN 201520102815 U CN201520102815 U CN 201520102815U CN 204480767 U CN204480767 U CN 204480767U
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- power wire
- wire core
- conductor
- insulating barrier
- described power
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- 239000003245 coal Substances 0.000 title claims abstract description 13
- 238000005065 mining Methods 0.000 title claims abstract description 13
- 239000004020 conductor Substances 0.000 claims abstract description 77
- 230000004888 barrier function Effects 0.000 claims abstract description 27
- 239000000203 mixture Substances 0.000 claims abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 abstract description 14
- 239000000463 material Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to a kind of tensile type electric cable for coal mining machine, it comprises power wire core conductor, power wire core insulating barrier is provided with in described power wire core conductor outside, semiconductive shielding layer is provided with in described power wire core insulating barrier outside, described power wire core conductor, power wire core insulating barrier and semiconductive shielding layer composition power wire core unit, described power wire core unit is at least one, is provided with control conductor tension unit on described power wire core unit side.The utility model control conductor resistance to tension is strong, effectively prevents cable being pulled off along with when coal-winning machine moves bending, long service life.
Description
Technical field
The utility model relates to a kind of cable, is specifically related to a kind of electric cable for coal mining machine.
Background technology
At present, the cable used in coal-winning machine runs, cable can move along with coal-winning machine, so be generally power wire core and control conductor are arranged in the same construction of cable.According to current requirements, control conductor has only needed very little cross section just, but in cable use procedure, cable is frequent movement along with the movement of coal-winning machine, control conductor cross section is little, is just likely pulled off, the effect so just cannot played control and monitor in frequent mobile bending.
Summary of the invention
Goal of the invention: the purpose of this utility model is to overcome deficiency of the prior art, provides a kind of control conductor resistance to tension strong, effectively prevents cable being pulled off along with when coal-winning machine moves bending, the tensile type electric cable for coal mining machine of long service life.
Technical scheme: in order to solve the problems of the technologies described above, a kind of tensile type electric cable for coal mining machine described in the utility model, it comprises power wire core conductor, power wire core insulating barrier is provided with in described power wire core conductor outside, semiconductive shielding layer is provided with in described power wire core insulating barrier outside, described power wire core conductor, power wire core insulating barrier and semiconductive shielding layer composition power wire core unit, described power wire core unit is at least one, control conductor tension unit is provided with on described power wire core unit side, described control conductor tension unit comprises at least one control conductor carrying core, described control conductor carrying core adopts high strength aircraft cable stranded, its wire rope monofilament diameter is about 0.30-0.40mm, tinned copper wire conductor is provided with at described control conductor carrying core outer braid, its wire stranding lay ratio is below 6, the diameter of described tinned copper wire conductor is 0.20-0.30mm, control conductor insulating barrier is provided with in described tinned copper wire conductor outside, inner restrictive coating is provided with in described control conductor insulating barrier outside, packed layer is provided with at described power wire core unit and control conductor tension unit outside, external sheath layer is provided with in described packed layer outside.
Described power wire core conductor by 5 classes or 6 class tinned copper conductors stranded, its lay ratio below 15, to make conductor soft.
Described power wire core unit is provided with three.
Described control conductor carrying core is provided with three.
Described power wire core insulating barrier and control conductor insulating barrier are second third insulating barrier, and second third gel content that insulate reaches 40-50%, and insulation is soft, and semi-conductive shielding material adopts second third to insulate for the formula of base-material, insulate and jointly extrudes, be bonded together completely with second third.
Described external sheath layer is abrasive rubber restrictive coating.
Described control conductor carrying core adopts high strength aircraft cable stranded, and the tensile strength of steel wire rope is more than 10 times of copper wire, and its percentage elongation is only 3%-4%, and at high temperature mechanical performance no change.
The utility model is in the construction of cable, control conductor adopts high strength, the aviation of high bending property with stranded seizing wire with being tension member, this high strength, the tensile strength of the Aviation Steel Wire Rope of high bending property is more than 10 times of copper wire, its percentage elongation is only 3%-4%, and at high temperature mechanical performance no change, high strength is woven in six class tin annealed copper wire layerings, the aviation of high bending property forms control conductor conductor with on stranded seizing wire, the ratio of the pitch of braided wire and the external diameter of seizing wire, namely wire stranding lay ratio controls below 6, after conductor monofilament launches, its length is more than 1.3 times of raw footage.Cable bending and dilatory time, conductor is just as a spring, and most active force all concentrates on high strength, and the aviation of high bending property with on stranded seizing wire material, thus efficiently avoid control conductor and is pulled off with curved disconnected.
Beneficial effect: the utility model compared with prior art, its remarkable advantage is: the utility model reasonable in design, control conductor adopts high strength, the aviation of high bending property with stranded seizing wire with being tension member, this high strength, the tensile strength of the Aviation Steel Wire Rope of high bending property is more than 10 times of copper wire, its percentage elongation is only 3%-4%, and at high temperature mechanical performance no change, tensile property is excellent, effectively prevent cable being pulled off along with when coal-winning machine moves bending, long service life, adopt 5 classes or 6 class tinned copper conductors stranded, lay ratio is arranged on less than 15, guarantee conductor is soft, second third gel content that insulate reaches 40-50%, insulation is soft, the second third that adopts semi-conductive shielding material insulate for the formula of base-material, insulate with second third and jointly extrude, be bonded together completely, overall performance is good, realistic instructions for use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, a kind of tensile type electric cable for coal mining machine described in the utility model, it comprises power wire core conductor 1, power wire core insulating barrier 2 is provided with in described power wire core conductor 1 outside, semiconductive shielding layer 3 is provided with in described power wire core insulating barrier 2 outside, described power wire core conductor 1, power wire core insulating barrier 2 and semiconductive shielding layer 3 form power wire core unit, described power wire core unit is at least one, control conductor tension unit is provided with on described power wire core unit side, described control conductor tension unit comprises at least one control conductor carrying core 4, described control conductor carrying core 4 adopts high strength aircraft cable stranded, its wire rope monofilament diameter is about 0.30-0.40mm, tinned copper wire conductor 5 is provided with at described control conductor carrying core 4 outer braid, its wire stranding lay ratio is below 6, the diameter of described tinned copper wire conductor 5 is 0.20-0.30mm, control conductor insulating barrier 6 is provided with in described tinned copper wire conductor 5 outside, inner restrictive coating 7 is provided with in described control conductor insulating barrier 6 outside, packed layer 8 is provided with at described power wire core unit and control conductor tension unit outside, external sheath layer 9 is provided with in described packed layer 8 outside, described power wire core conductor 1 by 5 classes or 6 class tinned copper conductors stranded, its lay ratio is below 15, described power wire core unit is provided with three, described control conductor carrying core 4 is provided with three, described power wire core insulating barrier 2 and control conductor insulating barrier 6 are second third insulating barrier, described external sheath layer 9 is abrasive rubber restrictive coating.The utility model reasonable in design, control conductor adopts high strength, the aviation of high bending property with stranded seizing wire with being tension member, this high strength, the tensile strength of the Aviation Steel Wire Rope of high bending property is more than 10 times of copper wire, its percentage elongation is only 3%-4%, and at high temperature mechanical performance no change, tensile property is excellent, effectively prevent cable being pulled off along with when coal-winning machine moves bending, long service life, adopt 5 classes or 6 class tinned copper conductors stranded, lay ratio is arranged on less than 15, guarantee conductor is soft, second third gel content that insulate reaches 40-50%, insulation is soft, the second third that adopts semi-conductive shielding material insulate for the formula of base-material, insulate with second third and jointly extrude, be bonded together completely, overall performance is good, realistic instructions for use.
The utility model provides a kind of thinking and method; the method and access of this technical scheme of specific implementation is a lot; the above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art, under the prerequisite not departing from the utility model principle, some improvements and modifications can also be made; these improvements and modifications also should be considered as protection range of the present utility model, and all available prior art of each part not clear and definite in the present embodiment is realized.
Claims (6)
1. a tensile type electric cable for coal mining machine, it is characterized in that: it comprises power wire core conductor (1), power wire core insulating barrier (2) is provided with in described power wire core conductor (1) outside, semiconductive shielding layer (3) is provided with in described power wire core insulating barrier (2) outside, described power wire core conductor (1), power wire core insulating barrier (2) and semiconductive shielding layer (3) composition power wire core unit, described power wire core unit is at least one, control conductor tension unit is provided with on described power wire core unit side, described control conductor tension unit comprises at least one control conductor carrying core (4), described control conductor carrying core (4) adopts high strength aircraft cable stranded, its wire rope monofilament diameter is about 0.30-0.40mm, tinned copper wire conductor (5) is provided with at described control conductor carrying core (4) outer braid, its wire stranding lay ratio is below 6, the diameter of described tinned copper wire conductor (5) is 0.20-0.30mm, control conductor insulating barrier (6) is provided with in described tinned copper wire conductor (5) outside, inner restrictive coating (7) is provided with in described control conductor insulating barrier (6) outside, packed layer (8) is provided with at described power wire core unit and control conductor tension unit outside, external sheath layer (9) is provided with in described packed layer (8) outside.
2. tensile type electric cable for coal mining machine according to claim 1, is characterized in that: described power wire core conductor (1) by 5 classes or 6 class tinned copper conductors stranded, its lay ratio is below 15.
3. tensile type electric cable for coal mining machine according to claim 1, is characterized in that: described power wire core unit is provided with three.
4. tensile type electric cable for coal mining machine according to claim 1, is characterized in that: described control conductor carrying core (4) is provided with three.
5. tensile type electric cable for coal mining machine according to claim 1, is characterized in that: described power wire core insulating barrier (2) and control conductor insulating barrier (6) are second third insulating barrier.
6. tensile type electric cable for coal mining machine according to claim 1, is characterized in that: described external sheath layer (9) is abrasive rubber restrictive coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520102815.0U CN204480767U (en) | 2015-02-12 | 2015-02-12 | A kind of tensile type electric cable for coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520102815.0U CN204480767U (en) | 2015-02-12 | 2015-02-12 | A kind of tensile type electric cable for coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204480767U true CN204480767U (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520102815.0U Active CN204480767U (en) | 2015-02-12 | 2015-02-12 | A kind of tensile type electric cable for coal mining machine |
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| Country | Link |
|---|---|
| CN (1) | CN204480767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105989925A (en) * | 2015-02-12 | 2016-10-05 | 江苏宝安电缆有限公司 | Tensile cable for coal cutter |
-
2015
- 2015-02-12 CN CN201520102815.0U patent/CN204480767U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105989925A (en) * | 2015-02-12 | 2016-10-05 | 江苏宝安电缆有限公司 | Tensile cable for coal cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 214200 West Side of Huankeyuan Chaquan Road, Xinjie Street, Yixing City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Bao'an Cable Co.,Ltd. Address before: 214205 West Side of Chaquan Road, Environmental Science Park, Yixing City, Wuxi City, Jiangsu Province Patentee before: JIANGSU BAOAN CABLE Co.,Ltd. |
|
| CP03 | Change of name, title or address |