CN203377026U - Rubber jacketed flexible cable for coal cutter - Google Patents
Rubber jacketed flexible cable for coal cutter Download PDFInfo
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- CN203377026U CN203377026U CN201320497877.7U CN201320497877U CN203377026U CN 203377026 U CN203377026 U CN 203377026U CN 201320497877 U CN201320497877 U CN 201320497877U CN 203377026 U CN203377026 U CN 203377026U
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Abstract
The utility model discloses a rubber jacketed flexible cable for a coal cutter. The rubber jacketed flexible cable for the coal cutter includes a sheath; the sheath is internally provided with a power core wire, a ground core wire, a control core wire, and a radio frequency coaxial cable; the radio frequency coaxial cable is parallel to and not twisted with the power core wire, the ground core wire, the control core wire. The sheath comprises an outer sheath layer, a strengthening layer, and an inner sheath layer; the power core wire, the ground core wire, the control core wire, and the radio frequency coaxial cable forms a cable core; the inner sheath layer is formed by extrusion molding and outside the cable core; the inner sheath layer is wrapped with the strengthening layer; and the outer sheath layer is formed by extrusion molding and outside the strengthening layer. The rubber jacketed flexible cable for the coal cutter provided in the utility model solves the problem that the transmission of the power supply and the high frequency and wide band signal is difficult and low in reliability between the coal cutter and the channel, reduces the number of the cables in the working face, overcomes the strong electromagnetic interference signal, the signal attenuation and other adverse conditions, and achieves the reliable communication; and the working face is automatized, and the important significance of improving the efficiency of the coal mine is realized.
Description
Technical field
The utility model belongs to the transmission cable technical field, relates to a kind of rubber sleeve flexible cable, relates in particular to the rubber sleeve flexible cable for coal mining machine of a kind of high frequency and broadband signal transmission.
Background technology
At present, a known rubber covered flexible electric cable for coal mining overwhelming majority power supply for coal-winning machine, only comprise three power heart yearns, a ground connection cored wire conductor and 2 to 6 control heart yearns in cable, and these control heart yearns are common 2.5mm still according to the designing requirement of former pilot circuit
2or 4mm
2copper core, more do not used coaxial cable, and signal attenuation is serious, and the antijamming capability extreme difference can't normal transmission high frequency and broadband signal.
Along with mine requires more and more stronger to high-yield and high-efficiency, the fully-mechanized mining working automaticity increases substantially, coal-winning machine control concentrates on crossheading and completes, therefore, need to be by the video of coal-winning machine, the information such as work are transferred to outside working face by correspondence, control the coal-winning machine operation with operation, adopted in the past to use in rubber covered flexible electric cable for coal mining and controlled the heart yearn transmit communications signals, but serial interference is large, signal attenuation is serious, effect is extremely undesirable, much rear adopt separately with one independently coaxially or telecommunication cable meet the demands, but in actual applications, coal-winning machine drags coaxial or telecommunication cable is crooked with rubber sleeve flexible cable and water pipe, exist intensity low, fragile, the shortcoming such as difficult in maintenance.
In recent years, some cable production firm also adopts increased optical fiber in rubber covered flexible electric cable for coal mining, in order to address the above problem, but in actual use, existed following problem:
1, fiber cut and plug into and need specific purpose tool, the normal use that operating personnel must academic program guarantee optical fiber;
2, the mechanical strength of optical fiber is low, and bending radius is less, and in using together with rubber covered flexible electric cable for coal mining, failure rate is high, poor reliability;
3, coal-winning machine and receiving equipment are wanted particular design, and needing increases fiber plant, and are not suitable for the coal-winning machine control system of main flow, and the coal-winning machine work condition environment is special, have the characteristics such as vibration is large, dust is large, the fiber plant poor reliability.
Therefore, increase the transmission problem that optical fiber can't effectively solve coal-winning machine high frequency and broadband signal in rubber covered flexible electric cable for coal mining.
The utility model content
Technical problem to be solved in the utility model is: a kind of rubber sleeve flexible cable for coal mining machine is provided, can effectively solves power supply between coal-winning machine and crossheading and the transmission problem of high frequency and broadband signal, realize reliable communication.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of rubber sleeve flexible cable for coal mining machine, described cable comprises sheath, be provided with power heart yearn, ground connection heart yearn in sheath, control heart yearn, one or more core of radio frequency co-axial cable, core of radio frequency co-axial cable and power heart yearn, ground connection heart yearn, control heart yearn are arranged in juxtaposition, not stranded.
As a kind of preferred version of the present utility model, described sheath comprises external sheath layer, reinforced layer, inner restrictive coating; Described power heart yearn, ground connection heart yearn, control heart yearn, core of radio frequency co-axial cable form cable core; The outer extrusion moulding of described cable core has inner restrictive coating, and inner restrictive coating is wrapped with reinforced layer, and the outer extrusion moulding of reinforced layer has external sheath layer.
As a kind of preferred version of the present utility model, the characteristic impedance of described radio frequency coaxial-cable is 50 Ω or 75 Ω.
As a kind of preferred version of the present utility model, described power heart yearn comprises the power cored wire conductor, and the power core insulation layer of parcel power cored wire conductor.
As a kind of preferred version of the present utility model, described ground connection heart yearn comprises the ground connection cored wire conductor, and the ground connection core insulation layer of parcel ground connection cored wire conductor.
As a kind of preferred version of the present utility model, described control heart yearn is wrapped with controls the wire harness screen, controls wire harness screen outer wrapping and controls the core insulation layer.
The beneficial effects of the utility model are: the rubber sleeve flexible cable for coal mining machine the utility model proposes, the power supply between coal-winning machine and crossheading in the past and high frequency and broadband signal transmission difficulty, problem that reliability is low have been solved, reduced the number of cables in the working face, overcome the unfavorable conditions such as electromagnetic interference signal is strong, signal attenuation is large, realized reliable communication; For realizing the working face automation, improve the mine coal-cutting operating efficiency significant.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model rubber sleeve flexible cable for coal mining machine.
Another structural representation that Fig. 2 is the utility model rubber sleeve flexible cable for coal mining machine.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment mono-
The utility model has disclosed a kind of rubber sleeve flexible cable for coal mining machine, mainly in conventional rubber covered flexible electric cable for coal mining, increase coaxial cable, being intended to solve can conventional coal mining machine in full-mechanized mining face data (as video etc.), the technical problems such as transmission cable is fragile, poor anti jamming capability, to realize the reliable bidirectional data communication of coal-winning machine and crossheading.Its technical scheme adopted comprises: increase coaxial cable in rubber sleeve flexible cable, in the situation that do not reduce Cable Bending Radius, realize the bidirectional data communication of coal-winning machine and crossheading, be applicable to require the coal-winning machine of realizing video, transfer of data and the automation requirement being arranged.
Refer to Fig. 1, Fig. 2, the utility model rubber sleeve flexible cable for coal mining machine comprises sheath, be provided with power heart yearn (comprising power cored wire conductor 1 and power core insulation layer 2), ground connection heart yearn 4 in sheath, control heart yearn 5, one or more core of radio frequency co-axial cable 3, core of radio frequency co-axial cable 3 is arranged in juxtaposition with other heart yearns (comprise power heart yearn, ground connection heart yearn 4, control heart yearn 5), not stranded.
Can regulate as required the position of core of radio frequency co-axial cable 3 in sheath, as shown in Figure 1 and Figure 2.As, core of radio frequency co-axial cable 3 can be in the middle of other heart yearns, also can be in periphery.In the present embodiment, the characteristic impedance of described core of radio frequency co-axial cable 3 is 50 Ω or 75 Ω.
Described sheath comprises external sheath layer 10, reinforced layer 9, inner restrictive coating 8; Described power heart yearn, ground connection heart yearn 4, control heart yearn 5, core of radio frequency co-axial cable 3 form cable cores; The outer extrusion moulding of described cable core has inner restrictive coating 8, and inner restrictive coating 8 is wrapped with reinforced layer 9, and the outer extrusion moulding of reinforced layer 9 has external sheath layer 10.
Described power heart yearn comprises power cored wire conductor 1, and the power core insulation layer 2 of parcel power cored wire conductor 1; Described ground connection heart yearn 4 comprises the ground connection cored wire conductor, and the ground connection core insulation layer of parcel ground connection cored wire conductor; Described control heart yearn 5 is wrapped with controls wire harness screen 7, controls wire harness screen 7 outer wrapping and controls core insulation layer 6.
In sum, the rubber sleeve flexible cable for coal mining machine the utility model proposes, the power supply between coal-winning machine and crossheading in the past and high frequency and broadband signal transmission difficulty, problem that reliability is low have been solved, reduced the number of cables in the working face, overcome the unfavorable conditions such as electromagnetic interference signal is strong, signal attenuation is large, realized reliable communication; For realizing the working face automation, improve the mine coal-cutting operating efficiency significant.
Here description of the present utility model and application is illustrative, not wants by scope restriction of the present utility model in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and for those those of ordinary skill in the art, the various parts of the replacement of embodiment and equivalence are known.Those skilled in the art are noted that in the situation that do not break away from spirit of the present utility model or substantive characteristics, and the utility model can be with other form, structure, layout, ratio, and realizes with other assembly, material and parts.In the situation that do not break away from the utility model scope and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (6)
1. a rubber sleeve flexible cable for coal mining machine, it is characterized in that, described cable comprises sheath, be provided with power heart yearn, ground connection heart yearn in sheath, control heart yearn, one or more core of radio frequency co-axial cable, core of radio frequency co-axial cable and power heart yearn, ground connection heart yearn, control heart yearn are arranged in juxtaposition, not stranded.
2. rubber sleeve flexible cable for coal mining machine according to claim 1 is characterized in that:
Described sheath comprises external sheath layer, reinforced layer, inner restrictive coating; Described power heart yearn, ground connection heart yearn, control heart yearn, core of radio frequency co-axial cable form cable core;
The outer extrusion moulding of described cable core has inner restrictive coating, and inner restrictive coating is wrapped with reinforced layer, and the outer extrusion moulding of reinforced layer has external sheath layer.
3. rubber sleeve flexible cable for coal mining machine according to claim 1 is characterized in that:
The characteristic impedance of described radio frequency coaxial-cable is 50 Ω or 75 Ω.
4. rubber sleeve flexible cable for coal mining machine according to claim 1 is characterized in that:
Described power heart yearn comprises the power cored wire conductor, and the power core insulation layer of parcel power cored wire conductor.
5. rubber sleeve flexible cable for coal mining machine according to claim 1 is characterized in that:
Described ground connection heart yearn comprises the ground connection cored wire conductor, and the ground connection core insulation layer of parcel ground connection cored wire conductor.
6. rubber sleeve flexible cable for coal mining machine according to claim 1 is characterized in that:
Described control heart yearn is wrapped with controls the wire harness screen, controls wire harness screen outer wrapping and controls the core insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320497877.7U CN203377026U (en) | 2013-08-15 | 2013-08-15 | Rubber jacketed flexible cable for coal cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320497877.7U CN203377026U (en) | 2013-08-15 | 2013-08-15 | Rubber jacketed flexible cable for coal cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203377026U true CN203377026U (en) | 2014-01-01 |
Family
ID=49839541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320497877.7U Expired - Fee Related CN203377026U (en) | 2013-08-15 | 2013-08-15 | Rubber jacketed flexible cable for coal cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203377026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229073A (en) * | 2016-09-20 | 2016-12-14 | 芜湖航天特种电缆厂股份有限公司 | Submarine communication composite cable and preparation method thereof |
| CN109102938A (en) * | 2018-09-03 | 2018-12-28 | 重庆科飞线缆有限公司 | Coal mining machine shield monitoring braiding reinforced rubber sleeve flexible cable |
-
2013
- 2013-08-15 CN CN201320497877.7U patent/CN203377026U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229073A (en) * | 2016-09-20 | 2016-12-14 | 芜湖航天特种电缆厂股份有限公司 | Submarine communication composite cable and preparation method thereof |
| CN109102938A (en) * | 2018-09-03 | 2018-12-28 | 重庆科飞线缆有限公司 | Coal mining machine shield monitoring braiding reinforced rubber sleeve flexible cable |
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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: XINAN TIANDI COAL MINING EQUIPMENT MANUFACTURING CO., LTD. Assignor: Heaven and earth Polytron Technologies Inc Shanghai branch|Tiandi Shanghai mining equipment Technology Co., Ltd. Contract record no.: 2014520000012 Denomination of utility model: Novel composite reinforced rubber sleeve flexible cable for coal mining machine Granted publication date: 20140101 License type: Exclusive License Record date: 20140521 |
|
| 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 |
Granted publication date: 20140101 Termination date: 20140815 |
|
| EXPY | Termination of patent right or utility model |