CN104051062A - Reinforced type dragging variable-frequency soft cable - Google Patents
Reinforced type dragging variable-frequency soft cable Download PDFInfo
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- CN104051062A CN104051062A CN201410210941.8A CN201410210941A CN104051062A CN 104051062 A CN104051062 A CN 104051062A CN 201410210941 A CN201410210941 A CN 201410210941A CN 104051062 A CN104051062 A CN 104051062A
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Abstract
The invention relates to a cable relevant to mining equipment, in particular to a metal shielding and monitoring reinforced type dragging variable-frequency soft cable for excavation equipment and other devices adopting variable-frequency system nominal voltages of 1.9/3.3 kV and below. The reinforced type dragging variable-frequency soft cable is formed by stranding a power cable body, a monitoring cable body and a reinforced pad core, an inner protection sleeve and an outer protection sleeve are arranged outside the power cable body, the monitoring cable body and the reinforced pad core, a reinforced layer formed by knitting a steel wire and a semiconductor fiber is arranged between the inner protection sleeve and the outer protection sleeve, and heat resisting isolation layers are arranged on the two sides of the reinforced layer respectively. The power cable body is respectively made of an annealed tinned copper single wire, an insulation layer, a semiconductor shielding layer and a mixed shielding layer from inside to outside, and the mixed shielding layer is formed by mixing semiconductive rubber, a semiconductive shielding belt, knitting metal and fibers. The flexible property and tensile property of the cable are enhanced, a cable core is not broken, a power supply, control signals and online monitoring signals are stable and reliable, and the service life is long.
Description
Technical field
The present invention relates to a kind of cable relevant with winning equipment, particularly adopt the device metallic shields such as frequency conversion system rated voltage 1.9/3.3kV and following extractive equipment to monitor reinforced towing frequency conversion flexible cable.
Background technology
Winning equipment adopts frequency conversion system, improve winning equipment in all many-sided performances such as speed governing and startup, more and more be used more widely, frequency-changing cable is for the electrical source of power connection of winning equipment, transmission and the in-service monitoring of control signal, with winning equipment at getting working face back and forth movement, cable by power core, core with control core and monitor that core forms, control core wherein (hold concurrently and monitor core) mainly plays the effect of signal monitoring.Cable is subject to serious frequent bending, pulls the multiple mechanical stresses such as stretching, the impact of extruding, torsion and lump in use running, controls the little easy disconnected core in core cross section, and the malfunctioning phenomenon of control often occurs under digger serviceable condition; And cause equipment to stop operating.
Summary of the invention
The technical problem that one, will solve
The object of the invention is for the existing the problems referred to above of prior art, spy provides serious frequent bending for a kind of adaptation winning equipment, pulls stretching, the multiple mechanical stresses such as the impact of extruding, torsion and lump, core constantly, electrical source of power, control signal and in-service monitoring signal stabilization reliable, the reinforced towing frequency conversion flexible cable of long service life.
Two, technical scheme
For solving the problems of the technologies described above, the reinforced towing frequency conversion flexible cable of the present invention, wherein, this cable is by power cable, monitoring cable and strengthen that bedding core is stranded forms, above-mentioned power cable, monitoring cable and reinforcement bedding core are outside equipped with inner sheath and oversheath, between above-mentioned inner sheath and oversheath, be provided with by steel wire and semiconductor fiber silk and weave the reinforced layer forming, be respectively arranged with heat-resisting separator in the both sides of reinforced layer; Above-mentioned power cable is made up of annealing tin-coated copper single line, insulating barrier, semiconductive shielding layer and mixing screen respectively from inside to outside, and above-mentioned mixing screen is mixed by semiconducting rubber, semi-conductive screen band, braided metal and fiber.
As optimization, above-mentioned monitoring cable is made up of control line core conductor, metal screen layer, insulating barrier and pilot wire core conductor respectively from inside to outside, and above-mentioned metal screen layer is composited by semiconducting rubber, semi-conductive screen band and braided metal.
As optimization, above-mentioned reinforcement bedding core is made up of semiconductor fiber silk and semiconductive shielding layer, and above-mentioned semiconductive shielding layer wraps in outside semiconductor fiber silk, and above-mentioned reinforcement bedding core is arranged on the center of cable.
As optimization, above-mentioned power cable is outside equipped with heat-resisting separator with monitoring cable, and this heat-resisting separator is arranged on power cable and monitors the outside that cable is bordered.
As optimization, on above-mentioned oversheath outer wall, be provided with spiral fluorescence warning bar, this fluorescence warning bar and oversheath are extruded and are made simultaneously.
Three, beneficial effect of the present invention
Strengthen softness and the stretch-proof performance of cable, core and the core relative slip property of isolating between layers, MULTILAYER COMPOSITE phase-splitting shielding and and always shield anti-tampering performance, adapt to serious frequent bending for winning equipment, pull stretching, the multiple mechanical stresses such as the impact of extruding, torsion and lump, core constantly, electrical source of power, control signal and in-service monitoring signal stabilization reliable, long service life.
Brief description of the drawings
Fig. 1 is the sectional view of the reinforced towing frequency conversion flexible cable of the present invention power cable;
Fig. 2 is the sectional view of the reinforced towing frequency conversion flexible cable monitoring of the present invention cable;
Fig. 3 is the sectional view that the reinforced towing frequency conversion flexible cable of the present invention is strengthened bedding core;
Fig. 4 is the sectional view of the reinforced towing frequency conversion flexible cable of the present invention.
In figure, 1 is power cable, and 2 is monitoring cable, 3 for strengthening bedding core, and 4 is inner sheath, and 5 is oversheath, 6 is reinforced layer, and 7 is heat-resisting separator, and 8 is tin-coated copper single line, 9 is insulating barrier, and 10 is semiconductive shielding layer, and 11 for mixing screen, 12 is control line core conductor, and 13 is metal screen layer, and 14 is pilot wire core conductor, 15 is fluorescence warning bar, and 16 is semiconductor fiber silk.
Embodiment
Below in conjunction with accompanying drawing, the reinforced towing frequency conversion flexible cable of the present invention is described further:
Execution mode one: as shown in Figures 1 to 4, the reinforced towing frequency conversion flexible cable of the present invention, wherein, this cable is by power cable 1, monitoring cable 2 and strengthen that bedding core 3 is stranded forms, above-mentioned power cable 1, monitoring cable 2 and reinforcement bedding core 3 are outside equipped with inner sheath 4 and oversheath 5, between above-mentioned inner sheath 4 and oversheath 5, be provided with by steel wire and semiconductor fiber silk and weave the reinforced layer 6 forming, be respectively arranged with heat-resisting separator 7 in the both sides of reinforced layer 6; Above-mentioned power cable 1 is made up of annealing tin-coated copper single line 8, insulating barrier 9, semiconductive shielding layer 10 and mixing screen 11 respectively from inside to outside, in the present embodiment cable, there are three power cables 1, and power cable 1 is the cable that provides power to carry for plant equipment, these three power cables 1, so that fine pith multiple proportions mode is stranded in the same way, enable soft warp resistance; Above-mentioned insulating barrier 9 is rubber layers of one deck high resilience; The structure of power cable 1 effectively overcomes the rectification of frequency conversion speed-adjusting system and the high order harmonic component of inversion electronic assembly generation produces interference and destruction by electromagnetic radiation, conduction and induction coupling to cable and periphery components and parts; Above-mentioned mixing screen 11 is mixed by semiconducting rubber, semi-conductive screen band, braided metal and fiber.
Steel wire in above-mentioned reinforced layer 6 is high-intensity aircraft cord wire, make in the mode of braiding or winding with the Split Down of semiconductor fiber silk, extrude again the high anti-tear fire-retardant mixed rubber of high strength, eliminate cable and frequently pull the bending distortion pitch producing, strengthen the overall mechanical properties of cable.
Above-mentioned monitoring cable 2 is made up of control line core conductor 12, metal screen layer 13, insulating barrier 9 and pilot wire core conductor 14 respectively from inside to outside, and above-mentioned metal screen layer 13 is composited by semiconducting rubber, semi-conductive screen band and braided metal.The main effect of above-mentioned control line core conductor 12 is as the passage that sends instruction, and pilot wire core conductor 14 is mainly the effect of playing online signal monitoring.It is in order to overcome conduction and induction coupling to 12 generation interference and the destructions of control line core conductor that metal screen layer 13 and insulating barrier 9 are set between control line core conductor 12 and pilot wire core conductor 14.
Above-mentioned reinforcement bedding core 3 is made up of semiconductor fiber silk 16 and semiconductive shielding layer 10, and above-mentioned semiconductive shielding layer 10 wraps in outside semiconductor fiber silk 16, and above-mentioned reinforcement bedding core 3 is arranged on the center of cable; The high strength fibre silk that above-mentioned semiconductive shielding layer 10 is semiconductive elastic caoutchoucs is filled strengthening core, in use be convenient to bending flexible, make to put on the power on cable core, can be cushioned because high strength fibre silk filling strengthening core bears not easily broken core in the time of bending.
Above-mentioned power cable 1 is outside equipped with heat-resisting separator 7 with monitoring cable 2, and this heat-resisting separator 7 is arranged on power cable 1 and monitors the outside that cable 2 is bordered.Be provided with in the present embodiment three layers of heat-resisting separator 7, strengthen between core and core, slippage mutually between layers, strengthens cable bend and extends and reset.
On above-mentioned oversheath 5 outer walls, be provided with spiral fluorescence warning bar 15, this fluorescence warning bar 15 is extruded and is made simultaneously with oversheath 5, prevents winning equipment self and outside to cable fault, extends using period.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. a reinforced towing frequency conversion flexible cable, it is characterized in that: this cable is by power cable, monitoring cable and strengthen that bedding core is stranded forms, described power cable, monitoring cable and reinforcement bedding core are outside equipped with inner sheath and oversheath, between described inner sheath and oversheath, be provided with by steel wire and semiconductor fiber silk and weave the reinforced layer forming, be respectively arranged with heat-resisting separator in the both sides of reinforced layer; Described power cable is made up of annealing tin-coated copper single line, insulating barrier, semiconductive shielding layer and mixing screen respectively from inside to outside, and described mixing screen is mixed by semiconducting rubber, semi-conductive screen band, braided metal and fiber.
2. reinforced towing frequency conversion flexible cable according to claim 1, it is characterized in that: described monitoring cable is made up of control line core conductor, metal screen layer, insulating barrier and pilot wire core conductor respectively from inside to outside, described metal screen layer is composited by semiconducting rubber, semi-conductive screen band and braided metal.
3. reinforced towing frequency conversion flexible cable according to claim 2, it is characterized in that: described reinforcement bedding core is made up of semiconductor fiber silk and semiconductive shielding layer, described semiconductive shielding layer wraps in outside semiconductor fiber silk, and described reinforcement bedding core is arranged on the center of cable.
4. reinforced towing frequency conversion flexible cable according to claim 3, is characterized in that: described power cable is outside equipped with heat-resisting separator with monitoring cable, and this heat-resisting separator is arranged on power cable and monitors the outside that cable is bordered.
5. according to the reinforced towing frequency conversion flexible cable described in claim 1 to 4 any one, it is characterized in that: on described oversheath outer wall, be provided with spiral fluorescence warning bar, this fluorescence warning bar and oversheath are extruded and made simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410210941.8A CN104051062A (en) | 2014-05-06 | 2014-05-06 | Reinforced type dragging variable-frequency soft cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410210941.8A CN104051062A (en) | 2014-05-06 | 2014-05-06 | Reinforced type dragging variable-frequency soft cable |
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| Publication Number | Publication Date |
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| CN104051062A true CN104051062A (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410210941.8A Pending CN104051062A (en) | 2014-05-06 | 2014-05-06 | Reinforced type dragging variable-frequency soft cable |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023640A (en) * | 2015-07-02 | 2015-11-04 | 上海金丰电缆有限公司 | Spreader cable of cable storing basket of composite bus |
| CN105161186A (en) * | 2015-06-24 | 2015-12-16 | 江苏亨通电力电缆有限公司 | High-strength towing-used photoelectric composite cable and manufacture method thereof |
| CN105655047A (en) * | 2014-12-10 | 2016-06-08 | 袁娟 | High-voltage transmission power cable |
| CN105655048A (en) * | 2014-12-10 | 2016-06-08 | 梁龙 | High-voltage transmission power cable |
| CN105679447A (en) * | 2014-12-10 | 2016-06-15 | 袁娟 | Power cable for high-voltage power transmission |
| CN105702366A (en) * | 2014-12-10 | 2016-06-22 | 袁娟 | High-voltage transmission power cable |
| CN105788743A (en) * | 2014-12-10 | 2016-07-20 | 梁龙 | High-voltage transmission power cable |
| CN105810340A (en) * | 2014-12-10 | 2016-07-27 | 梁龙 | High-voltage transmission power cable |
| CN105810342A (en) * | 2014-12-10 | 2016-07-27 | 袁娟 | High-voltage power transmission power cable |
| CN108962474A (en) * | 2018-07-17 | 2018-12-07 | 安徽鸿海电缆有限公司 | A kind of robot cable |
| CN112345386A (en) * | 2020-09-21 | 2021-02-09 | 国网河北省电力有限公司邢台供电分公司 | Cable performance comprehensive testing device |
| CN114898925A (en) * | 2022-05-31 | 2022-08-12 | 远东电缆有限公司 | Mining trailing cable |
-
2014
- 2014-05-06 CN CN201410210941.8A patent/CN104051062A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788743A (en) * | 2014-12-10 | 2016-07-20 | 梁龙 | High-voltage transmission power cable |
| CN105810342A (en) * | 2014-12-10 | 2016-07-27 | 袁娟 | High-voltage power transmission power cable |
| CN105655047A (en) * | 2014-12-10 | 2016-06-08 | 袁娟 | High-voltage transmission power cable |
| CN105655048A (en) * | 2014-12-10 | 2016-06-08 | 梁龙 | High-voltage transmission power cable |
| CN105679447A (en) * | 2014-12-10 | 2016-06-15 | 袁娟 | Power cable for high-voltage power transmission |
| CN105702366A (en) * | 2014-12-10 | 2016-06-22 | 袁娟 | High-voltage transmission power cable |
| CN105810340A (en) * | 2014-12-10 | 2016-07-27 | 梁龙 | High-voltage transmission power cable |
| CN105161186A (en) * | 2015-06-24 | 2015-12-16 | 江苏亨通电力电缆有限公司 | High-strength towing-used photoelectric composite cable and manufacture method thereof |
| CN105023640A (en) * | 2015-07-02 | 2015-11-04 | 上海金丰电缆有限公司 | Spreader cable of cable storing basket of composite bus |
| CN105023640B (en) * | 2015-07-02 | 2017-07-21 | 上海金丰电缆有限公司 | The storage cable basket hoist cable of compound bus |
| CN108962474A (en) * | 2018-07-17 | 2018-12-07 | 安徽鸿海电缆有限公司 | A kind of robot cable |
| CN112345386A (en) * | 2020-09-21 | 2021-02-09 | 国网河北省电力有限公司邢台供电分公司 | Cable performance comprehensive testing device |
| CN112345386B (en) * | 2020-09-21 | 2022-09-27 | 国网河北省电力有限公司邢台供电分公司 | Cable performance comprehensive testing device |
| CN114898925A (en) * | 2022-05-31 | 2022-08-12 | 远东电缆有限公司 | Mining trailing cable |
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Application publication date: 20140917 |
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| RJ01 | Rejection of invention patent application after publication |