CN201886805U - Control wire core in mine cable and mine cable containing same - Google Patents
Control wire core in mine cable and mine cable containing same Download PDFInfo
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- CN201886805U CN201886805U CN2010205769775U CN201020576977U CN201886805U CN 201886805 U CN201886805 U CN 201886805U CN 2010205769775 U CN2010205769775 U CN 2010205769775U CN 201020576977 U CN201020576977 U CN 201020576977U CN 201886805 U CN201886805 U CN 201886805U
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Abstract
The utility model discloses a control wire core in a mine cable and a mine cable containing the same. The control wire core comprises a stranded core, wherein one or more braided layers are arranged outside the stranded core. The stranded core is made of copper wires and the braided layer (s) is (are) woven by steelwires; or the stranded core is made of steelwire and the braid layer (s) is (are) woven by copper wires. On the basis that the original flexibleness is maintained, the strength and bending resistance of the control wire core are greatly enhanced, accordingly, the service life of the whole mine cable is prolonged.
Description
Technical field
The utility model belongs to the cable technology field, the mining cable that is specifically related to the control core in a kind of mining cable and comprises this control core.
Background technology
In the coal in China industry, the easily broken core of control core in the rubber sleeve flexible cable that coal-winning machine is used, useful life lack at present, are the crucial matching components that restriction coal-winning machine production efficiency improves.Coal-winning machine mainly has been the effect of signal monitoring with the control core in the cable, but cable easily causes controlling the fracture of core in use because of being subjected to multiple mechanical stress effects such as frequent bending, stretching.And the in a single day disconnected core of control core will lose the monitoring and protection effect, and cause coal excavation apparatus to stop operating, and this has had a strong impact on user's production process, causes very big loss to the user.
Find by field investigation, the basic reason that produces the problems referred to above is: the coal-winning machine rubber sleeve flexible cable in actual use, the local buckling radius of cable is far smaller than the Cable Bending Radius of standard code, cable frequently is subjected to the composite action of two or more stress such as overbending, stretching for a long time, the cross-sectional area of conductor of adding the control core is far smaller than the cross-sectional area of conductor of cable master core, causes the easily broken core of control core.
At present, the cable manufacturer that has has carried out some to the structure of existing mining cable and has improved, and prolonged the useful life of cable to some extent, but disconnected core problem can take place.Therefore, the problem of lacking in the easily broken core of control core in the mining cable, useful life is the difficult problem that the puzzlement coal industry is enhanced productivity always.
The utility model content
Technical problem to be solved in the utility model is the problem at the easily broken core of control core in the mining cable use in the prior art, a kind of mining cable of controlling core and comprising this control core is provided, this control core is on the basis that keeps its original flexibility, can increase the intensity and the bending resistance of core greatly, thereby prolong the useful life of whole mining cable greatly.
The technical scheme that solution the utility model technical problem is adopted is the control core in this mining cable, comprises bundle strand core, and described bundle strand core is provided with one or more layers braid outward.
Preferably, described bundle strand core adopts copper wire to make, and braid adopts braided steel wire to form.Wherein, the bundle strand core that copper wire is made is as conductor wire core, and the steel wire braid outside conductor wire core is the intensity that is used for increasing the copper wire conductor wire core, thereby improve the bending resistance folding endurance of The whole control core, make copper wire be difficult for bending, because the bending number of times when too many, easily makes copper wire fracture.
Perhaps, described bundle strand core adopts steel wire to make, and braid adopts the copper wire braiding to form.Wherein, the copper wire braid is as conductor wire core, and the strand of the bundle in copper wire braid steel core is the intensity that is used for increasing the copper wire braid, thereby improves the bending resistance folding endurance of The whole control core, makes copper wire be difficult for bending.
Preferred described copper wire or gauge of wire equate.
Wherein, the steel wire that is adopted or the diameter range of copper wire are 0.1-0.4mm, and the lay of braiding of described braid is less than or equal to 25 times of bundle strand core diameter.
Described control core can adopt more than three or three, and the sectional area of described single control core is 1-10mm
2
A kind of mining cable that comprises above-mentioned control core.
A kind of preferred version is, this mining cable also can include power core, ground connection core, described power core comprises three, described control core comprises more than three or three, described three or three four-cores that twist together the formation cable with the upper control line core, described ground connection core is placed on cable middle part, and three power cores center on the ground connection core with four-core and are provided with, and are provided with oversheath outside three power cores and four-core.
A kind of preferred version is, this mining cable also can include power core, ground connection core, described control core comprises more than three or three, described three or three twist together with the upper control line core and are placed on the cable middle part, described power core comprises three, and three power cores are provided with around described control core, and described ground connection core comprises three, three ground connection cores and three power core spaces are provided with, and at three power core peripheral hardwares oversheath are arranged.Preferably, between three power cores and oversheath, also be provided with inner sheath and reinforced layer successively.
A kind of preferred version is, this mining cable also can include power core, ground connection core, monitor core, described power core comprises three, described control core comprises three, three power cores are the setting of " product " font, three control cores and three power core spaces are provided with, and described supervision core is coated on the outer surface of described control core.
Wherein, described supervision core is mainly used in to monitor whether the ground core fractures, and promptly open circuit fault if break down, does not have ground connection under the mine, the charged safety that can endanger the workman of equipment; Next is the insulation that is used to monitor the power core, to avoid taking place the electric leakage of insulation cracking.
This cable is by being provided with three control cores and three power core spaces, and an effect of She Zhiing is that the control core is used as filling usefulness like this, and the external diameter of cable has reduced and can save sheath material; Another effect is that the control core is shielded, and has avoided the bending of control core to fracture.
The control core adopts above-mentioned this structure, is not reducing on the flexibility basis of conductor wire core, can strengthen intensity, the bending resistance of conductor wire core, and has increased the toughness when conductor is crooked, makes not frangibility of copper conductor monofilament.In mining cable, adopt the control core of this structure, in the useful life that can improve rubber sleeve flexible cable greatly, solved a difficult problem that always perplexs coal industry.Thereby the utility model mining cable be particularly suitable for mechanically moving such as silo shearer use or be applicable to other be in constantly drag with the cyclic bending state under plant equipment use.
Description of drawings
Fig. 1 is the structural representation of mining cable among the utility model embodiment 1;
Fig. 2 is the structural representation of mining cable among the utility model embodiment 2;
Fig. 3 is the structural representation of mining cable among the utility model embodiment 3;
Fig. 4 is a kind of structural representation of controlling core of the utility model;
Fig. 5 is the structural representation of the another kind of control of the utility model core.
Among the figure: 1-power core; 2-ground connection core; 3-controls core; The 4-insulating barrier; The 5-insulation screen; The 6-oversheath; The 7-inner sheath; The 8-reinforced layer; 9-monitors core; 10-bundle strand steel core; 11-copper wire braid; 12-bundle strand copper core; The 13-steel wire braid.
Embodiment
For making those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Embodiment 1:
As shown in Figure 1, in the present embodiment, mining cable comprises power core 1, ground connection core 2, control core 3 and oversheath 6.
As shown in Figure 4, control core 3 comprises bundle strand steel core 10 and is coated on one deck copper wire braid 11 of restrainting outside the strand steel core.Described bundle strand steel core 10 is made of steel wire, and copper wire braid 11 is formed by copper wire.That is, copper wire braid 11 is as conductor wire core, and the bundle that at the middle part of this conductor wire core be stranded or bundle closes twists steel core 10.
Wherein, the diameter of steel wire and copper wire is identical, and the diameter range of steel wire or copper wire is 0.1-0.4mm, and the lay of braiding of described copper wire braid 11 is less than or equal to 25 times of diameter of bundle strand steel core 10, and the sectional area scope of single control core is 1-10mm
2
Perhaps, as shown in Figure 5, control core 3 comprises bundle strand copper core 12 and is coated on the layer of steel wire braid of restrainting outside the strand copper core 13.Described bundle strand copper core 12 is made of copper wire, and steel wire braid 13 is formed by steel wire.That is, bundle strand copper core 12 is in the middle part of steel wire braid 13 as conductor wire core.
Wherein, the diameter of steel wire and copper wire is identical, and the diameter range of steel wire or copper wire is 0.1-0.4mm, and the lay of braiding of described steel wire braid 13 is less than or equal to 25 times of diameter of bundle strand copper core 12, and the sectional area of single control core is 1-10mm
2
In the present embodiment, as shown in Figure 1, above-mentioned control core 3 comprises three (also can for more than three), and described three control cores twist together the four-core that constitutes mining cable.
Wherein, power core 1 comprises three, described three power cores 1 are provided with around ground connection core 2 with the four-core that the control core constitutes, described ground connection core 2 is placed on the middle part of whole cable, described oversheath 6 is located at the outside of three power cores 1 and four-core, three power cores 1 and whole oversheath 5 inside that are coated on of four-core.
In addition, in oversheath 6 inside, outer surface of each control core 3 and power core 1 is provided with insulating barrier 4, also is provided with insulation screen 5 on the outer surface of the insulating barrier of power core.
Embodiment 2:
As shown in Figure 2, in the present embodiment, mining cable comprises power core 1, ground connection core 2, control core 3, inner sheath 7, reinforced layer 8, oversheath 6.
Wherein, the structure of single control core 3 is identical with structure among the embodiment 1, repeats no more here.
In the present embodiment, control core 3 comprises three, and described three control cores 3 twist together the middle part that is placed on cable.Described power core 1 comprises three, and three power cores 1 are around described control core 3 and be provided with, and controls core 3 in other words and is three and twists together the center that is arranged on three power cores 1.Described ground connection core 2 comprises three, and three ground connection cores 2 and three power core 1 spaces are provided with, and that is to say that single ground connection core 2 is separately positioned on the crack, limit of two adjacent power line cores 1.
Outside three power cores 1 and ground connection core 2, be coated with inner sheath 7, be coated with reinforced layer 8 outside the inner sheath 7, also be coated with oversheath 6 outside the reinforced layer 8.
In addition, in inner sheath 7 inside, also be respectively equipped with insulating barrier 4 on the outer surface of single ground connection core 2, control core 3, power core 1.On the outer surface of the insulating barrier of power core, also be provided with insulation screen 5.
Embodiment 3:
As shown in Figure 3, in the present embodiment, mining cable comprises power core 1, control core 3, monitors core 9.
Wherein, the structure of single control core 3 is identical with structure among the embodiment 1, repeats no more here.
In the present embodiment, described power core 1 comprises three, and three power cores 1 are " product " font setting (setting triangular in shape in other words).Control core 3 comprises three, three control cores 3 and the settings of three power core 1 spaces, that is and, described control core 3 is separately positioned on the crack, limit of two adjacent power cores 1.Described supervision core 9 also comprises three, and three monitor that core 9 is coated on respectively on the outer surface of described three control cores 3.
Outside three power cores 1 and control core 3, be coated with inner sheath 7, be coated with reinforced layer 8 outside the inner sheath 7, also be coated with oversheath 6 outside the reinforced layer 8.
On the outer surface of power core 1 and control core 3, also be respectively equipped with insulating barrier 4, also be provided with insulation screen 5 on the outer surface of the insulating barrier of described power core.
Be understandable that above execution mode only is the illustrative embodiments that adopts for principle of the present utility model is described, yet the utility model is not limited thereto.For those skilled in the art, under the situation that does not break away from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement also are considered as protection range of the present utility model.
Claims (10)
1. the control core in the mining cable comprises bundle strand core, it is characterized in that described bundle strand core is provided with one or more layers braid outward.
2. control core according to claim 1 is characterized in that described bundle strand core adopts copper wire to make, and braid adopts braided steel wire to form; Perhaps described bundle strand core adopts steel wire to make, and braid adopts the copper wire braiding to form.
3. control core according to claim 2, the diameter range that it is characterized in that described steel wire or copper wire is 0.1-0.4mm, the lay of braiding of described braid is less than or equal to 25 times of bundle strand core diameter.
4. control core according to claim 2, the sectional area that it is characterized in that this control core is 1-10mm
2
5. control core according to claim 2 is characterized in that described control core adopts more than three or three.
6. mining cable that comprises the described control core of one of claim 1-5.
7. mining cable according to claim 6, it is characterized in that also including power core, ground connection core, described power core comprises three, described control core comprises more than three or three, described three or three four-cores that twist together the formation cable with the upper control line core, described ground connection core is placed on cable middle part, and three power cores center on the ground connection core with four-core and are provided with, and are provided with oversheath outside three power cores and four-core.
8. mining cable according to claim 6, it is characterized in that also including power core, ground connection core, described control core comprises more than three or three, described three or three twist together with the upper control line core and are placed on the cable middle part, described power core comprises three, and three power cores are provided with around described control core, and described ground connection core comprises three, three ground connection cores and three power core spaces are provided with, and at three power core peripheral hardwares oversheath are arranged.
9. mining cable according to claim 8 is characterized in that also being provided with successively inner sheath and reinforced layer between three power cores and oversheath.
10. mining cable according to claim 6, it is characterized in that also including power core, ground connection core, monitor core, described power core comprises three, described control core comprises three, three power cores are the setting of " product " font, three control cores and three power core spaces are provided with, and described supervision core is coated on the outer surface of described control core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205769775U CN201886805U (en) | 2010-10-26 | 2010-10-26 | Control wire core in mine cable and mine cable containing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205769775U CN201886805U (en) | 2010-10-26 | 2010-10-26 | Control wire core in mine cable and mine cable containing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886805U true CN201886805U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205769775U Expired - Fee Related CN201886805U (en) | 2010-10-26 | 2010-10-26 | Control wire core in mine cable and mine cable containing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886805U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290152A (en) * | 2011-08-31 | 2011-12-21 | 泛亚电缆集团有限公司 | Method for manufacturing conductor wire core in super flexible cable |
| CN102360603A (en) * | 2011-11-04 | 2012-02-22 | 安徽新亚特电缆集团有限公司 | Special tensile dragging control cable and method for manufacturing same |
| CN106409385A (en) * | 2016-05-17 | 2017-02-15 | 上海南大集团有限公司 | Soft copper conductor used for connecting electric appliance element |
-
2010
- 2010-10-26 CN CN2010205769775U patent/CN201886805U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290152A (en) * | 2011-08-31 | 2011-12-21 | 泛亚电缆集团有限公司 | Method for manufacturing conductor wire core in super flexible cable |
| CN102360603A (en) * | 2011-11-04 | 2012-02-22 | 安徽新亚特电缆集团有限公司 | Special tensile dragging control cable and method for manufacturing same |
| CN102360603B (en) * | 2011-11-04 | 2013-03-27 | 安徽新亚特电缆集团有限公司 | Special tensile dragging control cable and method for manufacturing same |
| CN106409385A (en) * | 2016-05-17 | 2017-02-15 | 上海南大集团有限公司 | Soft copper conductor used for connecting electric appliance element |
| CN106409385B (en) * | 2016-05-17 | 2017-12-26 | 上海南大集团有限公司 | A kind of soft copper conductor of electric elements connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20151026 |
|
| EXPY | Termination of patent right or utility model |