CN207895864U - A kind of coal mine low smoke, zero halogen sheath bayonet type cable - Google Patents
A kind of coal mine low smoke, zero halogen sheath bayonet type cable Download PDFInfo
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- CN207895864U CN207895864U CN201721653770.1U CN201721653770U CN207895864U CN 207895864 U CN207895864 U CN 207895864U CN 201721653770 U CN201721653770 U CN 201721653770U CN 207895864 U CN207895864 U CN 207895864U
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Abstract
The utility model discloses a kind of coal mine low smoke, zero halogen sheath bayonet type cables, belong to power cable technical field, and its purpose is to provide a kind of coal mine low smoke, zero halogen sheath bayonet type cables, improve the efficiency that protective layer is set in multiply core peripheral hardware.The cable includes cable core, protective layer；Per share core includes multigroup core material, insulating layer, and the second filled layer is filled between core material and insulating layer；It is equipped with positioning protrusion on the external cylindrical surface of the insulating layer of per share core, the first groove type structure is equipped in the side of positioning protrusion, positioning protrusion is equipped with the second groove below, and the outer end of the second groove sets that there are one the edge protuberances of protrusion；Equal second groove type structure on the external cylindrical surface of the insulating layer of per share core, the second groove type structure are equipped with bulge-structure below, and one end of bulge-structure is equipped with card compatible with edge protuberance and sets groove；When adjacent two strands core connection, locking bar is installed in the space that wherein the first groove type structure of one core is formed with the second groove type structure of another strand core.
Description
Technical field
The invention belongs to power cable technical fields, and in particular to a kind of coal mine low smoke, zero halogen sheath bayonet type cable.
Background technology
With the rapid development of Chinese national economy and the continuous improvement of living standards of the people, accelerate city specific use
The requirement of power grid construction is increasingly urgent to.And communication cable use occasion is complicated, requires cable performance especially stringent.Cable
There are good machinery, physical property and various mechanical stresses can be born, and electrical property does not deteriorate in the presence of a harsh environment, from
And ensure to work stably in a long term.And existing cable generally existing shield effectiveness is poor, transmission speed is low, poor anti jamming capability etc. lacks
Point, the cable that especially environment uses outdoors are difficult to fit for environment such as the variations such as high temperature, humidity of various external environments
Situations such as answering, causing cable bad happens occasionally.
Application No. is a kind of waterproof and dampproof aluminium alloy cable of the disclosure of the invention of CN201520792505.6, including core and
Circular array is arranged in the aluminium alloy conductor outside the core, exhausted equipped with environmental protection in the aluminium alloy conductor outer cover
Edge protective layer is provided with heat-insulating layer outside the environmentally friendly insulating protective layer, in the heat-insulating layer outer cover
Equipped with copper mesh, inner insulation layer is housed in the copper mesh outer cover, uniform intervals are arranged outside the inner insulation layer
There is bulge-structure, bamboo-carbon layer is provided between the bulge-structure, it is exhausted equipped with outer layer in the bulge-structure outer cover
Edge layer.The present invention is by using bamboo-carbon layer, when outer insulation is damaged, realizes the effect for being absorbed into internal moisture
Fruit, meanwhile, using bulge-structure, moisture can be facilitated to be flowed along cable extending direction, to facilitate moisture to be discharged, while profit
The isolation again to moisture is realized with inner insulation layer, enhances dampproof effect.
Although the invention has certain practical function on waterproof and dampproof, it is between core and aluminium alloy conductor
Position relationship be difficult to be limited, when the heat-insulating layer wherein filled not enough or because some external environments change and lack
It when few, can make a big impact to its structure, while the stability of cable conduction causes huge harm.In addition, the core of cable
Typically made of multiply core, and it is arranged protective layer again outside multiply core.In the prior art, outside due to each core
Portion is mostly smooth cylindrical surface, thus multiply core is external be arranged protective layer when, can be mutually shifted between core, core it
Between distance changing at any time, to multiply core be setting protective layer when just seem particularly problematic, working efficiency is told somebody what one's real intentions are.
Invention content
It is an object of the invention to：In order to solve the core when multiply core peripheral hardware sets protective layer, arbitrarily movement causes to be arranged
The very troublesome technical problem of protective layer provides a kind of coal mine low smoke, zero halogen sheath bayonet type cable, improves in multiply core
The efficiency of outer setting protective layer.
The technical solution adopted by the present invention is as follows：
A kind of coal mine low smoke, zero halogen sheath bayonet type cable, includes the cable core being made of multiply core, outside cable core
Matcoveredn is wrapped up, the first filled layer is filled between cable core and protective layer；Per share core includes multigroup core material, the core
The cross section of material is equilateral triangle, and multigroup core material is wrapped with insulating layer, and the second filled layer is filled between core material and insulating layer；
Insulating layer is wrapped with polyolefin layer；Positioning protrusion is equipped on the external cylindrical surface of the insulating layer of per share core, positioning protrusion is recessed
The top of shape is short, the lower length of side, and the first groove type structure is equipped in the side of positioning protrusion, and to be equipped with second recessed for positioning protrusion following
Slot, the outer end of the second groove set that there are one the edge protuberances of protrusion；Be equipped on the external cylindrical surface of the insulating layer of per share core with
The corresponding second groove type structure of first groove type structure, the second groove type structure are equipped with compatible with the second groove convex below
Structure is played, one end of bulge-structure is equipped with card compatible with edge protuberance and sets groove；When adjacent two strands core connection, wherein one
Locking bar is installed in the space that first groove type structure of strand core is formed with the second groove type structure of another strand core；
Protective layer includes by the interior polyethylene filling and vulcanization insulating layer set gradually outward, proof copper-wire braided shielded layer, the resistance of aluminium low smoke, zero halogen
It fires polyolefin and bonds protective layer.
Wherein, the outside of the upper surface of locking bar is an inclined-plane.
Wherein, the first groove type structure is equal with the height of the second groove type structure, and the first groove type structure to this
The distance of the external cylindrical surface of insulating layer where one groove type structure is equal to the second groove type structure to the second groove type structure
The distance of the external cylindrical surface of the insulating layer at place, the depth of the first groove type structure are more than the depth of the second groove type structure.
Wherein, the right side of the second groove and the angle of horizontal direction are right angle, right side and the level side of bulge-structure
To angle be right angle；The lower surface of bulge-structure is to the upper surface of distance and the second groove of floor upper surface to floor upper table
The distance in face is equal.
Wherein, the first filled layer is polyvinylidene fluoride filled layer, and the second filled layer is thermoplastic elastomer (TPE) filled layer.
In the present invention, the cross section of per share core material is disposed as equilateral triangle, thus compared to use cross section for circle
Core material, more core materials can be arranged in the insulating layer of identical size, to realize the more signals of simultaneous transmission；It is adjacent
It is attached by special structure between the insulating layer of two strand cores, multigroup core links into an integrated entity knot to realize
Structure can be quickly and easily more to can effectively avoid the random movement of core when multiply core peripheral hardware sets protective layer
Protective layer is set outside strand core, improves the manufacture efficiency of cable；The protective layer of adjacent two strands core in structure be equipped with vertically with
The locking face of horizontal plane increases the coupling mechanism force in horizontal direction between core；It is put in positioning protrusion lateral grooves shape structure
It is equipped with locking bar, keeps the clamping between core more simple, improves installation effectiveness；In positioning protrusion lateral grooves shape structure
It is placed with locking bar, there is higher stability after being installed between core, dismounting is repeated and uses.Insulation outside every group of core material
Layer is outer to be enclosed with polyolefin layer again, can effectively block core to be connected to external progress oxygen by the polyolefin layer, from regardless of
It is that external protective layer catches fire or one any core catches fire, the intensity of a fire will not all be developed into core or by one by protective layer
Strand core develops into another strand core, and polyolefin layer can form a not molten non-ignitable shell, with isolation insulation organic matter and outside
The contact of boundary's air, finally makes cable achieve the purpose that self-extinguishment, to substantially increase the flame retardant rating of cable, reaches A grades of resistances
Combustion is horizontal.Protective layer include by the interior polyethylene filling and vulcanization insulating layer set gradually outward, proof copper-wire braided shielded layer, aluminium without
The polyethylene layer of halogen low-smoke flame-proof polyolefin bonding protective layer, polyethylene filling and vulcanization insulating layer and cable, which mutually vulcanizes, to be melted
It closes, so that the structure of cable is reduced the presence of impurity and the air gap as far as possible, while also preferably can reach and be crosslinked
The electric property that cable body is close, highest pressure resistance can reach 35Kv or so；Aluminium LSOH anti-flaming polyene in protective layer
Hydrocarbon is bonded protective layer and is mainly halogen-free using halogen-free and low-smoke flame-retardant polyolefin material and the heavy metals such as other lead, cadmium, chromium, mercury
Characteristic, if toxic smog such as hydrogen halides will not occur burned if non-corrosive gas release generated smog very
It is few.Second filled layer is thermoplastic elastomer (TPE) filled layer, the material selection thermoplastic elastomer (TPE) of the filled layer so that the second filling
The deformation nature of layer is preferable, and the connection of two strand cores can more convenient, be quickly realized when being clamped adjacent two strands core.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the close-up schematic view of Fig. 1；
Fig. 3 is structural schematic diagram when one core will be caught in another strand core in the present invention；
Structural schematic diagram when Fig. 4 is adjacent two strands core clamping in the present invention；
It is marked in figure：1- positioning protrusion, the inclined-planes 2-, the first groove types of 3- structure, the second grooves of 4-, 5- edge protuberances, 6-
Second groove type structure, 7- bulge-structures, 8- cards set groove, 9- locking bars, 11- core materials, the second filled layers of 12-, 13- insulation
Layer, the first filled layers of 14-, 15- protective layers, 16- polyolefin layers, 17- polyethylene filling and vulcanizations insulating layer, 18- proof copper-wire braided screens
Cover layer, 19- aluminium halogen-free and low-smoke flame-retardant polyolefins bond protective layer.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment 1
A kind of coal mine low smoke, zero halogen sheath bayonet type cable includes the cable being made of multiply core inside the cable
Core, cable core are wrapped with protective layer, the first filled layer are filled between cable core and protective layer, by protective layer to its inside
Core protected.Per share core includes multigroup core material and the insulating layer that is wrapped in outside multigroup core material, the core material
Cross section is equilateral triangle, some side fitting between two adjacent groups core material, multigroup to be distributed around one group of core material
Core material.Multigroup core material is wrapped with insulating layer, and the second filled layer is filled between core material and insulating layer, can be more than enough by insulating layer
It is interfered between group core.It is, of course, also possible to be respectively provided with a layer insulating outside every group of core material, pass through the insulating layer on core material
It is separated between remaining core material in this group of core, the transmission of signal or electric energy is not interfere with each other.Insulating layer is wrapped with polyene
Hydrocarbon layers can effectively block core to carry out oxygen with outside and be connected to, to which either external protective layer by the polyolefin layer
One fiery or any core catches fire, and the intensity of a fire will not all be developed into core by protective layer or be developed into another by one core
Strand core, polyolefin layer can form a not molten non-ignitable shell, to completely cut off contact of the insulation organic matter with outside air, finally
So that cable is achieved the purpose that self-extinguishment, to substantially increase the flame retardant rating of cable, reaches A grades of flame retardant levels.Protective layer includes
It is glued by interior polyethylene filling and vulcanization insulating layer, proof copper-wire braided shielded layer, the aluminium halogen-free and low-smoke flame-retardant polyolefin set gradually outward
Protective layer is tied, aluminium halogen-free and low-smoke flame-retardant polyolefin is bonded protective layer and is mainly halogen-free using halogen-free and low-smoke flame-retardant polyolefin material
And the characteristic of the heavy metals such as other lead, cadmium, chromium, mercury, it is corrosion-free if toxic smog such as hydrogen halides will not occur burned
Property gas release, generated smog is also seldom.Second filled layer is thermoplastic elastomer (TPE) filled layer, and the material of the filled layer selects
With thermoplastic elastomer (TPE) so that the deformation nature of the second filled layer is preferable, when being clamped adjacent two strands core can it is more convenient,
Quickly realize the connection of two strand cores.
Positioning protrusion is equipped on the external cylindrical surface of the insulating layer of per share core, the top of positioning protrusion spill is short, following
It is long, be equipped with the first groove type structure in the side of positioning protrusion, positioning protrusion is equipped with the second groove below, the second groove it is outer
Hold the edge protuberance of protrusion there are one setting；It is equipped on the external cylindrical surface of the insulating layer of per share core and the first groove type structure pair
The the second groove type structure answered, the second groove type structure are equipped with bulge-structure compatible with the second groove, bulge-structure below
One end be equipped with it is compatible with edge protuberance card set groove；When adjacent two strands core connection, wherein the first of one core is recessed
Locking bar is installed in the space that bathtub construction and the second groove type structure of another strand core are formed.
When splicing, it is close to the preceding facade of the insulating layer of adjacent two strands core is parallel, by the insulating layer of wherein one core
Gently pushed close to one end of another strand core, the bulge-structure on the strand core insulation layer to another strand core insulation layer
On positioning protrusion side the first groove type structure in squeeze locking bar, so that the locking bar after flexible deformation is fully located at positioning
In the first groove type structure of raised side, after the end of bulge-structure is completely embedded into corresponding positioning protrusion, locking bar from
Be restored to original shape under the effect of body elastic force, be stuck in positioning protrusion side the first groove type structure and the second groove type structure it
Between, it is trivial tight and position to play vertical direction, while the right side of the right side and bulge-structure of following second groove of positioning protrusion
Side is mutually twisted, and plays locking and the positioning action of horizontal direction, to complete the clamping of adjacent two strands core.
Embodiment 2
On the basis of embodiment one, the outside of the upper surface of locking bar is an inclined-plane.
Embodiment 3
On the basis of embodiment one or embodiment two, the height phase of the first groove type structure and the second groove type structure
Deng, and the distance of the external cylindrical surface of the insulating layer where the first groove type structure to the first groove type structure is equal to the second groove
The distance of the external cylindrical surface of insulating layer where shape structure to the second groove type structure, the depth of the first groove type structure are more than
The depth of second groove type structure.
Embodiment 4
On the basis of the above embodiments, the right side of the second groove and the angle of horizontal direction are right angle, bulge-structure
Right side and the angle of horizontal direction be right angle；Distance and second groove of the lower surface of bulge-structure to floor upper surface
The distance of upper surface to floor upper surface is equal.
Embodiment 5
On the basis of the above embodiments, the first filled layer is polyvinylidene fluoride filled layer, and the second filled layer is thermoplastic
Property elastomeric filler layer.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (5)
1. a kind of coal mine low smoke, zero halogen sheath bayonet type cable, includes the cable core being made of multiply core, cable core outsourcing
It is wrapped with protective layer (15), the first filled layer (14) is filled between cable core and protective layer (15)；It is characterized in that：Per share core
Include multigroup core material (11), the cross section of the core material (11) is equilateral triangle, and multigroup core material (11) is wrapped with insulating layer
(13), the second filled layer (12) is filled between core material (11) and insulating layer (13)；Insulating layer (13) is wrapped with polyolefin layer
(16)；Positioning protrusion (1), the top of positioning protrusion (1) spill are equipped on the external cylindrical surface of the insulating layer (13) of per share core
Short, the lower length of side is equipped with the first groove type structure (3) in the side of positioning protrusion (1), and the following of positioning protrusion (1) is equipped with second
Groove (4), the outer end of the second groove (4) set that there are one the edge protuberances (5) of protrusion；The outer circle of the insulating layer (13) of per share core
The second groove type structure (6) corresponding with first groove type structure (3) is equipped on cylinder, the second groove type structure (6) is following
Equipped with the compatible bulge-structure (7) with the second groove (4), one end of bulge-structure (7) is equipped with to be adapted with edge protuberance (5)
Card set groove (8)；When the connection of adjacent two strands core, wherein the first groove type structure (3) of one core and another strand core
The space that is formed of the second groove type structure (6) in locking bar (9) is installed；Protective layer (15) includes being set successively outward by interior
Polyethylene filling and vulcanization insulating layer (17), proof copper-wire braided shielded layer (18), the aluminium-halogen-free and low-smoke flame-retardant polyolefin set bond protection
Layer (19).
2. a kind of coal mine low smoke, zero halogen sheath bayonet type cable as described in claim 1, it is characterised in that：Locking bar (9)
Upper surface outside be an inclined-plane (2).
3. a kind of coal mine low smoke, zero halogen sheath bayonet type cable as described in claim 1, it is characterised in that：First groove type
Structure (3) is equal with the height of the second groove type structure (6), and the first groove type structure (3) arrives the first groove type structure (3)
The distance of the external cylindrical surface of the insulating layer (13) at place is equal to the second groove type structure (6) and arrives the second groove type structure (6) institute
Insulating layer (13) external cylindrical surface distance, the depth of the first groove type structure (3) is more than the second groove type structure (6)
Depth.
4. a kind of coal mine low smoke, zero halogen sheath bayonet type cable as described in claim 1, it is characterised in that：Second groove
(4) angle of right side and horizontal direction is right angle, and the right side of bulge-structure (7) and the angle of horizontal direction are right angle；
The lower surface of bulge-structure (7) to floor upper surface distance at a distance from the upper surface to floor upper surface of the second groove (4)
It is equal.
5. a kind of coal mine low smoke, zero halogen sheath bayonet type cable as described in any one of claim 1-4, it is characterised in that：
First filled layer (14) is polyvinylidene fluoride filled layer, and the second filled layer (12) is thermoplastic elastomer (TPE) filled layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721653770.1U CN207895864U (en) | 2017-12-01 | 2017-12-01 | A kind of coal mine low smoke, zero halogen sheath bayonet type cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721653770.1U CN207895864U (en) | 2017-12-01 | 2017-12-01 | A kind of coal mine low smoke, zero halogen sheath bayonet type cable |
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| Publication Number | Publication Date |
|---|---|
| CN207895864U true CN207895864U (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721653770.1U Active CN207895864U (en) | 2017-12-01 | 2017-12-01 | A kind of coal mine low smoke, zero halogen sheath bayonet type cable |
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| CN (1) | CN207895864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109994265A (en) * | 2019-04-02 | 2019-07-09 | 安徽埃克森科技集团有限公司 | A kind of Combined high-strength naval vessel private cable |
-
2017
- 2017-12-01 CN CN201721653770.1U patent/CN207895864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109994265A (en) * | 2019-04-02 | 2019-07-09 | 安徽埃克森科技集团有限公司 | A kind of Combined high-strength naval vessel private cable |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190118 Address after: No. 168 Jiangnan Avenue, Sanjin Village, Jiangnan District, Nanning City, Guangxi Zhuang Autonomous Region, 530000 Patentee after: Guangxi Wanxiang Wire and Cable Co., Ltd. Address before: 610041 No. 2, No. 8, Tianfu four street, 66 High-tech Zone, Chengdu, Sichuan. Patentee before: CHENGDU ZHONGFU IDEAL TECHNOLOGY CO., LTD. |