CN203931616U - The dual-purpose cable of a kind of mine - Google Patents
The dual-purpose cable of a kind of mine Download PDFInfo
- Publication number
- CN203931616U CN203931616U CN201420341698.9U CN201420341698U CN203931616U CN 203931616 U CN203931616 U CN 203931616U CN 201420341698 U CN201420341698 U CN 201420341698U CN 203931616 U CN203931616 U CN 203931616U
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- Prior art keywords
- cable
- voltage
- dual
- low
- mine
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses the dual-purpose cable of a kind of mine; its key is: the dual-purpose cable of described mine adopts the cross section of High-Voltage Insulation and four heart yearns of low-voltage cable as four heart yearns of respective cable; wherein; three main heart yearns, for electrical load, are realized earth leakage protective when an other heart yearn is used for low-voltage ground.The utility model is simple in structure, easy to use, by the low-voltage insulation of four-core low-voltage cable is made to High-Voltage Insulation, realize the object of this cable " cable is dual-purpose ", greatly reduce cost, reduce the cable input increasing while changing cable because supply power voltage is different, the installation and removal expense of cable, and change-over time, very strong practical value there is.
Description
Technical field
The utility model relates to the dual-purpose cable of a kind of mine.
Background technology
In construction of coal mine work progress, construction needs low-voltage power supply early stage, and often needs high voltage supply at construction stage.Existing low voltage mine cable is generally four-core, and wherein three main heart yearns, for bringing onto load, are realized earth leakage protective for ground connection for other one, and its class of insulation is lower, can not meet the requirement of mine high-voltage cable, therefore, can not serve as mine high-voltage cable.Existing mine high-voltage cable is three cores, although this cable insulation grade is high, there is no protective earthing heart yearn, can not meet the requirement of low-voltage power supply.Therefore, in work progress, need first first to lay two low-voltage cables at shaft of vertical well, proceed to the lane construction low-voltage power supply use in early stage as vertical; After the interim electric substation in down-hole position constructs, re-lay two high-tension cables, as the high voltage supply that carries out the lane construction later stage.This way not only high-low pressure cable all will drop into,, and in work progress, also to carry out installation, the dismounting of the conversion of high-low pressure cable.Not only increase cost, but also the increase duration is produced in impact, very inconvenient.Damage will toward etc. method, but this kind of method needs manually do specially, loses time, efficiency is lower.
Utility model content
The purpose of this utility model is to provide the dual-purpose cable of a kind of mine.
To achieve these goals; by the following technical solutions; the dual-purpose cable of a kind of mine; it is characterized in that: the dual-purpose cable of described mine adopts the cross section of High-Voltage Insulation and four heart yearns of low-voltage cable as four heart yearns of respective cable; wherein; three main heart yearns, for electrical load, are realized earth leakage protective when an other ground connection heart yearn is used for low-voltage ground.
The utility model is simple in structure, easy to use, by four-core low voltage mine cable is changed over to High-Voltage Insulation, realize the object of this cable " cable is dual-purpose ", greatly reduce cost, reduce the cable input increasing while changing cable because supply power voltage is different, the installation and removal expense of cable, and change-over time, very strong practical value there is.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the laying schematic diagram of the utility model embodiment in mining construction process.
In figure, 1 is sheath, and 2 is glass fiber tape, and 3 is inserts, and 4 is copper shield, and 5 is semiconductor, and 6 is insulating barrier, and 7 is main heart yearn, and 8 is colloid rod, and 9 is ground connection heart yearn.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1; the dual-purpose cable of a kind of mine; comprise outer protective sleeve 1; in sheath, be provided with high pressure insulating sheath; interior four heart yearns of sheath and core insulation layer, and protection heart yearn and insulating barrier, wherein; three main heart yearns 7 are for electrical load, and an other ground connection heart yearn 9 is realized earth leakage protective for ground connection.
Concrete, be filled with inserts 3 in the inside of sheath 1, four heart yearns are filled material and fill, in sheath, be also provided with glass fiber tape 2, the skin of heart yearn is enclosed with insulating barrier 6, copper shield 4 and semiconductor 5, in sheath, be also filled with colloid rod 8 along cable direction, to be used for ensureing the intensity of cable.
In use, in the time that needs use as low pressure mining cable, only three main heart yearns need be used as to electrical load, an other ground protection; In the time that needs use as high pressure mining cable, only need to by vacant ground connection heart yearn need not.
As shown in Figure 2, proceed to lane construction change in strand at the vertical of mine, only need directly lay two dual-purpose cables at shaft of vertical well, this cable had both been made the construction low-voltage power supply cable in early stage, and the high voltage supply cable of doing again the construction later stage uses.
The utility model is simple in structure, easy to use, by four-core low voltage mine cable is changed over to High-Voltage Insulation, realize the object of this cable " cable is dual-purpose ", greatly reduce cost, reduce the cable input increasing while changing cable because supply power voltage is different, the installation and removal expense of cable, and change-over time, very strong practical value there is.
Claims (1)
1. the dual-purpose cable of mine; it is characterized in that: the dual-purpose cable of described mine adopts the cross section of High-Voltage Insulation and four heart yearns of low-voltage cable as four heart yearns of respective cable; wherein, three main heart yearns, for electrical load, are realized earth leakage protective when an other ground connection heart yearn is used for low-voltage ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341698.9U CN203931616U (en) | 2014-06-25 | 2014-06-25 | The dual-purpose cable of a kind of mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341698.9U CN203931616U (en) | 2014-06-25 | 2014-06-25 | The dual-purpose cable of a kind of mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203931616U true CN203931616U (en) | 2014-11-05 |
Family
ID=51827389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420341698.9U Expired - Fee Related CN203931616U (en) | 2014-06-25 | 2014-06-25 | The dual-purpose cable of a kind of mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203931616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036861A (en) * | 2014-06-25 | 2014-09-10 | 重庆川九建设有限责任公司 | Dual-purpose cable for mine |
-
2014
- 2014-06-25 CN CN201420341698.9U patent/CN203931616U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036861A (en) * | 2014-06-25 | 2014-09-10 | 重庆川九建设有限责任公司 | Dual-purpose cable for mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chongqing Chuan9 Construction Co., Ltd. Assignor: Chongqing Juneng Construction Group Co., Ltd. Contract record no.: 2016500000020 Denomination of utility model: Dual-purpose cable for mine Granted publication date: 20141105 License type: Exclusive License Record date: 20160920 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20170625 |