CN208208370U - A kind of high intensity high life coal mine electric cable for coal mining machine - Google Patents
A kind of high intensity high life coal mine electric cable for coal mining machine Download PDFInfo
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- CN208208370U CN208208370U CN201820434371.4U CN201820434371U CN208208370U CN 208208370 U CN208208370 U CN 208208370U CN 201820434371 U CN201820434371 U CN 201820434371U CN 208208370 U CN208208370 U CN 208208370U
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Abstract
The utility model discloses a kind of high-intensitive high life coal mine electric cable for coal mining machine, and shake is: including 3 master cores, 3 wire cores, center-filled, outer filled layer, enhancement layer and oversheath.3 master cores and 3 wire cores are successively disposed adjacent two-by-two, and center-filled is extruded among 3 master cores and 3 wire cores by semiconducting rubber material.Talcum powder is smeared between 3 master cores and 3 wire cores and center-filled layer respectively, carries out twisted synthesizing cable after smearing.Outer filled layer is extruded in outside 3 master cores and 3 wire cores by semiconducting rubber material.Enhancement layer weaves the periphery that outer filled layer is arranged in, and enhancement layer is woven by aramid fiber yarn.Oversheath is made using neoprene rubber material, and oversheath close adhesion is on outer filled layer, and enhancement layer is in outer filled layer and oversheath.
Description
Technical field
The utility model relates to power cable technical fields, and in particular to a kind of electric cable for coal mining machine that colliery industry uses.
Background technique
Currently, Electrical Control Technology has non-in coal production as coal mine machinery, the degree of automation are continuously improved
Often important meaning.Due to special, complicated dangerous (such as methane accumulation region need of the environment that coal mine cable uses of subsurface environment
Avoid generating electric spark), operating condition it is severe and it is mobile frequently, therefore it is not only very high to cable security requirement itself, but also
Also very high to the wearability of frequent cable for mobile applications, dragging performance requirement, electric cable for coal mining machine is in use, long-term to move
Under dynamic state, use environment is severe, and the impact phenomenons such as coal stone are serious, causes cable service life short, and replacement is complicated, therefore domestic
Mine cable service life does not exceed generally 1 year.
Utility model content
The purpose of the utility model is to provide a kind of structure is simple, the preferable longer coal mine of service life of dragging property is with adopting
Coal electric cable.
Realizing the basic technical scheme of the utility model aim is: a kind of high intensity high life coal mine electric cable for coal mining machine,
It is structurally characterized in that: including 3 master cores, 3 wire cores, center-filled, outer filled layer, enhancement layer and oversheath.3 main lines
Core and 3 wire cores are successively disposed adjacent two-by-two, and center-filled is extruded in 3 master cores and 3 ground by semiconducting rubber material
Among core.Talcum powder is smeared between 3 master cores and 3 wire cores and center-filled layer respectively, is twisted into after smearing
Cable.Outer filled layer is extruded in outside 3 master cores and 3 wire cores by semiconducting rubber material.Enhancement layer braiding setting is filled out outside
The periphery of layer is filled, enhancement layer is woven by aramid fiber yarn.Oversheath is made using neoprene rubber material, and oversheath closely glues
It closes on outer filled layer, enhancement layer is in outer filled layer and oversheath.
Technical solution based on above-mentioned basic technical scheme is: further including 1 monitoring core.Monitoring core is along its diameter
To being successively arranged monitoring core conductor and monitoring core insulating layer from inside to outside.Monitoring core conductor is by multiply tinned wird bundle strand
It twists again afterwards.Monitoring core insulating layer is made by the EP rubbers continuous vulcanization that hardness is 60A to 80A.Center-filled
Layer is extruded in outside monitoring core by semiconducting rubber material.
Technical solution based on above-mentioned each corresponding technical solution is: 3 main line cored structures are identical, along its respective diameter
To being successively arranged main line core conductor, wrapping layer, master core insulating layer and shielded layer from inside to outside.The main line core conductor is by more
It is twisted again after stock tinned wird bundle strand.Wrapping layer is formed by two layers of semiconductive nylon tape around the external of main line core conductor,
Wrapped overlap rate is 20% to 30%.Wrapping layer with a thickness of 0.1 millimeter to 0.2 millimeter.Master core insulating layer is extruded in wrapped
The periphery of layer, master core insulating layer are made by the EP rubbers continuous vulcanization that hardness is 60A to 80A.Shielded layer is by partly leading
Electric rubber material is extruded in the peripheral of master core insulating layer
Technical solution based on above-mentioned each corresponding technical solution is: the structure of 3 wire cores is identical, respectively along it
It is radial to be successively arranged gnd conductor and ground line insulating layer from inside to outside.Gnd conductor by being twisted again after multiply tinned wird bundle strand and
At.Ground line insulating layer is made by the EP rubbers continuous vulcanization that hardness is 60A to 80A.
The utility model has the effect of positive: (1) coal mine of the utility model electric cable for coal mining machine structure simple strength
Height, master core insulating layer, line insulating layer and core insulating layer continuous sulphur is used by the EP rubbers that hardness is 60A to 80A
Change is made, and flexibility is good, and cable core and saddle-shape filling etc. are coated with talcum powder, keep sliding, is conducive to cable dragging.
(2) coal mine of the utility model is filled with electric cable for coal mining machine equipped with saddle-shape, and saddle-shape filling can make cable whole
Close structure.In long-time moving process, between each master core can't direct friction and extruding, prevent cable due to core
Between phase mutual friction cause insulation damage layer, while the shape of a saddle filling with each core contact surface use talcum powder be isolated, each line
Core can keep sliding while shape of a saddle filling position is fixed.Shape of a saddle filling uses semiconduction rubber material, the shape of a saddle
The volume resistivity of filling is less than 1 ohm meter, and in 10ms instantaneous short circuit, electric current can achieve at least 500mA, to electrically setting
The safety such as standby and personnel provides guarantee.
(3) coal mine of the utility model electric cable for coal mining machine is equipped with monitoring core, and monitoring core can guarantee not small in stretching
In the case where 15%, all single copper wires are not broken, realize cable integrally by pulling force in the case where normal operation,
Meanwhile in case of a fault, after cable is greater than claimed range by pulling force, monitoring core fracture, equipment voluntarily can alarm or stop
Machine prevents more serious consequence.
(4) coal mine of the utility model is additionally provided with outer filled layer with electric cable for coal mining machine, and outer filling layer material uses semiconductive
The resistivity of rubber material, material is less than 1 ohm meter, and while guaranteeing the rounding property of cable, insulated wire cores are in failure shape
Under state, failure cable can be made effectively to be connected into wire core.Outer filled layer is externally provided with enhancement layer made of aramid fiber yarn braiding, virtue
The stretching resistance performance of synthetic fibre is good, substantially increases the tensile capacity of soft rubber cable, effectively extends the service life of cable, makes
Cable life is obtained to improve to original 3 to 5 times.
(5) oversheath of the coal mine electric cable for coal mining machine of the utility model is using high-intensitive, the neoprene rubber of high anti-tear performance
Skin material is made, and sheath material can be very good to be embedded in outer filled layer and outer shield with outer filled layer close adhesion, enhancement layer
In set, improve the tensile property of cable entirety, wear-resisting property, service life greatly prolongs.
(6) oxygen index (OI) of the oversheath of the coal mine electric cable for coal mining machine of the utility model and outer filled layer and center-filled layer
Control, in the case where keeping cable whole soft, guarantees the flame retardant property of cable, securely and reliably 34 or more.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the coal mine electric cable for coal mining machine of the utility model.
Label in above-mentioned attached drawing is as follows:
Master core 1, main line core conductor 1-1, wrapping layer 1-2, master core insulating layer 1-3, shielded layer 1-4,
Wire core 2, gnd conductor 2-1, ground line insulating layer 2-2,
Monitoring core 3, monitoring core conductor 3-1, monitoring core insulating layer 3-2,
Center-filled 4, outer filled layer 5, enhancement layer 6, oversheath 7.
Specific embodiment
(embodiment 1)
The description orientation of the utility model is described according to specific orientation shown in FIG. 1, side up and down shown in FIG. 1
To namely description direction up and down.
See that Fig. 1, the high-intensitive high life coal mine of the utility model include 3 master cores, 1,3 ground wire with electric cable for coal mining machine
2,1 monitoring cores 3 of core, center-filled 4, outer filled layer 5, enhancement layer 6 and oversheath 7.
See Fig. 1,31 structures of master core are identical, along its respectively it is radial be successively arranged from inside to outside main line core conductor 1-1,
Wrapping layer 1-2, master core insulating layer 1-3 and shielded layer 1-4.After the main line core conductor 1-1 is by multiply tinned wird bundle strand
It twists again.Wrapping layer 1-2 is formed by two layers of semiconductive nylon tape around the external of main line core conductor 1-1, and wrapped puts up
Rate is 20% to 30%, the present embodiment 25%.Wrapping layer 1-2 with a thickness of 0.1 millimeter to 0.2 millimeter, the present embodiment is 0.12 milli
Rice.Master core insulating layer 1-3 is extruded in the periphery of wrapping layer 1-2, the second that master core insulating layer 1-3 is 60A to 80A by hardness
Third rubber continuous vulcanization is made.Shielded layer 1-4 is extruded in the periphery of master core insulating layer 1-3 by semiconducting rubber material.
See Fig. 1, the structure of 3 wire cores 2 is identical, and respectively radial direction is successively arranged gnd conductor 2-1 from inside to outside along it
With ground line insulating layer 2-2.Gnd conductor 2-1 by twisting again after multiply tinned wird bundle strand.Ground line insulating layer 2-2 is by hardness
The EP rubbers continuous vulcanization of 60A to 80A is made.
See that Fig. 1, monitoring core 3 are radially successively arranged monitoring core conductor 3-1 and monitoring core insulation from inside to outside
Layer 3-2.Monitoring core conductor 3-1 by twisting again after multiply tinned wird bundle strand.Monitoring core insulating layer 3-2 is by hardness
The EP rubbers continuous vulcanization of 60A to 80A is made.3 master core 1 and 3 piece wire cores 2 are successively adjacent around monitoring two-by-two
Core 3 is arranged, and center-filled layer 4 is equipped between monitoring core 3 and 3 piece master core 1 and 3 wire cores 2.Center-filled layer 4
It is extruded in outside monitoring core by semiconducting rubber material.Between 3 master core 1 and 3 piece wire cores 2 and center-filled layer 4 respectively
Talcum powder is smeared, carries out twisted synthesizing cable after smearing.Outer filled layer 5 is extruded in 3 master cores 1 and 3 piece by semiconducting rubber material
It is constituted outside the stranding of wire core 2 and center-filled layer 4.
See that Fig. 1, enhancement layer 6 weave the periphery that outer filled layer 5 is arranged in, enhancement layer 6 is woven by aramid fiber yarn.Oversheath
7 are made using neoprene rubber materials, 7 close adhesion of oversheath on outer filled layer 5, enhancement layer 6 embedded in outer filled layer 5 with
In oversheath 7.
Above embodiments are only for illustration of the utility model, rather than limitations of the present invention, related technical field
Technical staff in the case where not departing from the spirit and scope of the utility model, various transformation and variation can also be made, have
It can also be transformed accordingly according to the inspiration of above-described embodiment in body application process, therefore all equivalent technical solutions are equal
It should be included within the scope of patent protection of the utility model.
Claims (4)
1. it is a kind of high intensity the high life coal mine electric cable for coal mining machine, it is characterised in that: including 3 master cores, 3 wire cores, in
Heart filling, outer filled layer, enhancement layer and oversheath；3 master cores and 3 wire cores are successively disposed adjacent two-by-two, center-filled
It is extruded among 3 master cores and 3 wire cores by semiconducting rubber material；3 master cores and 3 wire cores and center-filled
Talcum powder is smeared respectively between layer, carries out twisted synthesizing cable after smearing；Outer filled layer is extruded in 3 main lines by semiconducting rubber material
Outside core and 3 wire cores；Enhancement layer weaves the periphery that outer filled layer is arranged in, and enhancement layer is woven by aramid fiber yarn；Oversheath
It is made using neoprene rubber material, oversheath close adhesion is on outer filled layer, and enhancement layer is embedded in outer filled layer and outer shield
In set.
2. high intensity high life coal mine electric cable for coal mining machine according to claim 1, it is characterised in that: further include 1 prison
Sight core；Monitoring core is radially successively arranged monitoring core conductor and monitoring core insulating layer from inside to outside；Monitoring core
Conductor by twisting again after multiply tinned wird bundle strand；Monitoring core insulating layer is connected by the EP rubbers that hardness is 60A to 80A
Continuous vulcanization is made；Center-filled layer is extruded in outside monitoring core by semiconducting rubber material.
3. high intensity high life coal mine electric cable for coal mining machine according to claim 1 or 2, it is characterised in that: 3 master cores
Structure is identical, and along it, respectively radial direction is successively arranged main line core conductor, wrapping layer, master core insulating layer and shielding from inside to outside
Layer；The main line core conductor by twisting again after multiply tinned wird bundle strand；Wrapping layer is wrapped by two layers of semiconductive nylon tape
External in main line core conductor is formed, and wrapped overlap rate is 20% to 30%；Wrapping layer with a thickness of 0.1 millimeter to 0.2 millimeter；
Master core insulating layer is extruded in the periphery of wrapping layer, the continuous sulphur of EP rubbers that master core insulating layer is 60A to 80A by hardness
Change is made；Shielded layer is extruded in the periphery of master core insulating layer by semiconducting rubber material.
4. high intensity high life coal mine electric cable for coal mining machine according to claim 1 or 2, it is characterised in that: 3 wire cores
Structure it is identical, respectively radial be successively arranged gnd conductor and ground line insulating layer from inside to outside along it；Gnd conductor is by multiply
It is twisted again after tinned wird bundle strand；Ground line insulating layer is made by the EP rubbers continuous vulcanization that hardness is 60A to 80A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820434371.4U CN208208370U (en) | 2018-03-28 | 2018-03-28 | A kind of high intensity high life coal mine electric cable for coal mining machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820434371.4U CN208208370U (en) | 2018-03-28 | 2018-03-28 | A kind of high intensity high life coal mine electric cable for coal mining machine |
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| CN208208370U true CN208208370U (en) | 2018-12-07 |
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| CN201820434371.4U Active CN208208370U (en) | 2018-03-28 | 2018-03-28 | A kind of high intensity high life coal mine electric cable for coal mining machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112164515A (en) * | 2020-09-26 | 2021-01-01 | 常州船用电缆有限责任公司 | Dragging photoelectric composite cable for overground mining engineering and production process |
| CN112164514A (en) * | 2020-09-25 | 2021-01-01 | 常州船用电缆有限责任公司 | Winding photoelectric composite cable for mining engineering and production process |
-
2018
- 2018-03-28 CN CN201820434371.4U patent/CN208208370U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112164514A (en) * | 2020-09-25 | 2021-01-01 | 常州船用电缆有限责任公司 | Winding photoelectric composite cable for mining engineering and production process |
| CN112164514B (en) * | 2020-09-25 | 2021-06-11 | 常州船用电缆有限责任公司 | Winding photoelectric composite cable for mining engineering and production process |
| CN112164515A (en) * | 2020-09-26 | 2021-01-01 | 常州船用电缆有限责任公司 | Dragging photoelectric composite cable for overground mining engineering and production process |
| CN112164515B (en) * | 2020-09-26 | 2021-07-27 | 常州船用电缆有限责任公司 | Dragging photoelectric composite cable for overground mining engineering and production process |
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