CN209641394U - A kind of magnesium oxide mineral insulation pre-branched cable - Google Patents
A kind of magnesium oxide mineral insulation pre-branched cable Download PDFInfo
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- CN209641394U CN209641394U CN201920445608.3U CN201920445608U CN209641394U CN 209641394 U CN209641394 U CN 209641394U CN 201920445608 U CN201920445608 U CN 201920445608U CN 209641394 U CN209641394 U CN 209641394U
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Abstract
The utility model discloses a kind of magnesium oxide mineral insulation pre-branched cables, including main push-towing rope core, the right side of the main push-towing rope core is fixedly connected with branch's cable core by connector, the surface of the main push-towing rope core passes through the leading part being spaced substantially equidistant and is fixedly connected with auxiliary cable core, the surface of branch's cable core passes through the branch's guiding element being spaced substantially equidistant and is fixedly connected with branch's auxiliary cable core, and the surface of seven auxiliary cable cores passes through the first insulating layer and wraps up.The magnesium oxide mineral insulation pre-branched cable; cable core is assisted by setting main push-towing rope core, branch's cable core, auxiliary cable core and branch; it is effectively increased the radical for leading core, reduces the section of single core, keeps its flexibility more preferable; cable core is effectively bundled together by setting woven wire cloth; to become an entirety, by the way that asbestos cord filler, asbestos cord also known as alumina silicate fibre rope is arranged; have the characteristics that heat-resisting, corrosion-resistant, mechanical hardness is strong, cable core can be effectively protected.
Description
Technical field
The utility model belongs to pre-branched cable technical field, and in particular to a kind of pre- branch's electricity of magnesium oxide mineral insulation
Cable.
Background technique
Pre-branched cable be factory when producing main cable by the cable of user's design drawing prefabricated branch line, be in recent years
The New Product come has excellent shock resistance, air-tightness, waterproofness, mineral insulated cable letter compared with former technology
Claim MI cable, as wiring in use, domestic habit is referred to as magnesia cable or fireproof cable, it is by mineral material magnesia
Copper core copper sheath cable of the powder as insulation, mineral insulated cable is by two kinds of copper conductor, magnesia, copper sheath inorganic material groups
At.
But common magnesium oxide mineral insulation pre-branched cable flexibility is poor, because existing cable is generally used
Copper strips is constituted cable conductor core around packet mode by gap on carbon fiber rope, using cable conductor core as 7~50, center list
Root conductor strand constitutes cable conductor on cable conductor core, and same cross-sectional leads core, since cable core radical is less, then will lead to
The single section of cable core is larger, therefore during bending can be more laborious, and crosses conference due to bending degree and cause to cable
Damage.
Utility model content
The purpose of this utility model is to provide a kind of magnesium oxide mineral insulation pre-branched cables, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions: a kind of pre- branch's electricity of magnesium oxide mineral insulation
The right side of cable, including main push-towing rope core, the main push-towing rope core is fixedly connected with branch's cable core by connector, and the surface of the main push-towing rope core is logical
It crosses the leading part being spaced substantially equidistant and is fixedly connected with auxiliary cable core, the surface of branch's cable core passes through the branch being spaced substantially equidistant and leads
Part is fixedly connected with branch's auxiliary cable core, and the surface of seven auxiliary cable cores is wrapped up by the first insulating layer, first insulating layer
Surface is fixedly connected with the first fireprotection layer, and the surface of first fireprotection layer is fixedly connected with the first wearing layer, and five branches are auxiliary
The surface of cable core is helped to wrap up by second insulating layer, the surface of the second insulating layer is fixedly connected with the second fireprotection layer, described
The surface of second fireprotection layer is fixedly connected with the second wearing layer.
Preferably, it is 0.2mm that the main push-towing rope core, branch's cable core, auxiliary cable core and branch's auxiliary cable core, which pass through 160 diameters,
Copper wire is twisted.
Preferably, the surface of the main push-towing rope core, branch's cable core, auxiliary cable core and branch's auxiliary cable core passes through metal wire knitted
Net is rolled into stock.
Preferably, it is filled between first insulating layer, second insulating layer and cable core by asbestos cord filler.
Preferably, it is fixedly connected between the main push-towing rope core and auxiliary cable core by the leading part being spaced substantially equidistant, the branch
It is fixedly connected between cable core and branch's auxiliary cable core by the branch's guiding element being spaced substantially equidistant.
Preferably, first insulating layer and second insulating layer are made up of polyvinyl chloride.
Preferably, first fireprotection layer is made up with the second fireprotection layer of crosslinked polyethylene.
The technical effect and advantage of the utility model:
1, the magnesium oxide mineral insulation pre-branched cable by setting main push-towing rope core, connector, branch's cable core, dominates part, auxiliary
Cable core, branch's guiding element, branch's auxiliary cable core, the first insulating layer, the first fireprotection layer, the first wearing layer, second insulating layer, second prevent
Mutual cooperation between fire bed and the second wearing layer realizes a kind of insulated cable that flexibility is good, and the core of leading of cable is passed through
More cable core compositions, greatly reduce the section of single core, so that cable is more laborsaving in bending, and avoid
Damage to cable.
2, the magnesium oxide mineral insulation pre-branched cable is assisted by setting main push-towing rope core, branch's cable core, auxiliary cable core and branch
Cable core is effectively increased the radical for leading core, reduces the section of single core, keeps its flexibility more preferable, by the way that metal is arranged
Cable core is effectively bundled together by silk mesh grid, so that an entirety is become, by the way that asbestos cord filler, asbestos are arranged
Rope also known as alumina silicate fibre rope, have the characteristics that heat-resisting, corrosion-resistant, mechanical hardness is strong, cable core can be effectively protected, by setting
Leading part and branch's guiding element are set, can be very good well to connect main push-towing rope core, auxiliary cable core and branch's cable core and branch's auxiliary cable core
It connects, the first insulating layer and second insulating layer made of setting polyvinyl chloride, because polyvinyl chloride is cheap, mechanical performance
It is good, extrusion process is simple, oil resistant and good corrosion resistance, therefore practical value is wider, the made of setting crosslinked polyethylene
One fireprotection layer and the second fireprotection layer, can make its performance significantly by cross-linking modified PE is improved, and is not only significantly improved
Mechanical property, environmental stress cracking resistance, resistance to corrosive chemicals energy, creep resistance and the electrical property of fourth PE etc. are comprehensive
Can, and be readily apparent that improve temperature resistant grade, to increase the performance of cable, it is made by the way that cable protecting sleeve is arranged
The first wearing layer and the second wearing layer, cable protecting sleeve is using polythene PE and high-quality steel pipe by before sandblasting ball blast
Reason, leaching modeling or coating, heating cure technique are made, because it is good with insulation performance, chemical stability is high, does not give birth to
Rust, is suitable for harsh environment and is applied extensively not aging, therefore can be well protected cable and summarize in use process and exempt from
It is damaged.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the structure of the utility model front view；
Fig. 2 is the structural schematic diagram of the utility model top view；
Fig. 3 is the cross-sectional view of the structure of the utility model main push-towing rope core and auxiliary cable core top view.
In figure: 1, main push-towing rope core；2, connector；3, branch's cable core；4, part is dominated；5, auxiliary cable core；6, branch's guiding element；7, divide
Branch assists cable core；8, the first insulating layer；9, the first fireprotection layer；10, the first wearing layer；11, second insulating layer；12, the second fire prevention
Layer；13, the second wearing layer；14, asbestos cord filler.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of magnesium oxide mineral insulation pre-branched cable as shown in Figs. 1-3, including main push-towing rope core
1, the right side of the main push-towing rope core 1 is fixedly connected with branch's cable core 3 by connector 2, and the surface of the main push-towing rope core 1 passes through equidistant
The leading part 4 of arrangement is fixedly connected with auxiliary cable core 5, and it is solid that the surface of branch's cable core 3 passes through the branch's guiding element 6 being spaced substantially equidistant
Surely it is connected with branch's auxiliary cable core 7, the main push-towing rope core 1, branch's cable core 3, auxiliary cable core 5 and branch's auxiliary cable core 7 pass through 160
Diameter is that 0.2mm copper wire is twisted, and assists cable core 7 by setting main push-towing rope core 1, branch's cable core 3, auxiliary cable core 5 and branch, has
Effect increases the radical for leading core, reduces the section of single core, keeps its flexibility more preferable, the main push-towing rope core 1, branch's cable core
3, auxiliary cable core 5 assists the surface of cable core 7 to pass through woven wire cloth and is rolled into stock with branch, passes through setting woven wire cloth
Cable core is effectively bundled together, so that an entirety is become, by equidistant between the main push-towing rope core 1 and auxiliary cable core 5
Leading part 4 from arrangement is fixedly connected, the branch between branch's cable core 3 and branch's auxiliary cable core 7 by being spaced substantially equidistant
Guiding element 6 is fixedly connected, and by the way that leading part 4 and branch's guiding element 6 is arranged, can be very good main push-towing rope core 1, branch's cable core 3 and auxiliary cable
Core 5, branch's auxiliary cable core 7 connect well, and the surface of seven auxiliary cable cores 5 is wrapped up by the first insulating layer 8, first insulation
It is filled between layer 8, second insulating layer 11 and cable core by asbestos cord filler 14, by the way that asbestos cord filler 14, asbestos are arranged
Rope also known as alumina silicate fibre rope, have the characteristics that heat-resisting, corrosion-resistant, mechanical hardness is strong, can be effectively protected cable core, described the
The surface of one insulating layer 8 is fixedly connected with the first fireprotection layer 9, and it is wear-resisting that the surface of first fireprotection layer 9 is fixedly connected with first
The surface of layer 10, five branch's auxiliary cable cores 7 is wrapped up by second insulating layer 11, first insulating layer 8 and second insulating layer
11 are made up of polyvinyl chloride, the first insulating layer 8 and second insulating layer 11 made of setting polyvinyl chloride, because of polyvinyl chloride
Cheap, good mechanical property, extrusion process be simple, oil resistant and good corrosion resistance, therefore practical value is wider, and described second absolutely
The surface of edge layer 11 is fixedly connected with the second fireprotection layer 12, and first fireprotection layer 9 and the second fireprotection layer 12 are by being crosslinked poly- second
Alkene is made, the first fireprotection layer 9 and the second fireprotection layer 12 made of setting crosslinked polyethylene, can by cross-linking modified PE
Improve its performance significantly, not only significantly improves the mechanical property, environmental stress cracking resistance, chemically-resistant of fourth PE
The comprehensive performances such as drug corrosive nature, creep resistance and electrical property, and be readily apparent that improve temperature resistant grade, to increase
The performance of cable, the surface of second fireprotection layer 12 are fixedly connected with second wearing layer 13, first wearing layer 10 with
Second wearing layer 13 be it is a kind of by polythene PE and high-quality steel pipe by the pre-treatment of sandblasting ball blast, leaching modeling or coating, heating cure
The cable protecting sleeve that technique is made, the first wearing layer 10 and the second wearing layer made of setting cable protecting sleeve
13, cable protecting sleeve is using polythene PE and high-quality steel pipe by the pre-treatment of sandblasting ball blast, leaching modeling or coating, heating cure work
Skill is made because it is good with insulation performance, chemical stability is high, non-corrosive, not aging, be suitable for harsh environment and
Applied extensively, thus can be well protected cable summarize in use process it is against damages, pass through setting main push-towing rope core 1, connection
Fitting 2, branch's cable core 3, leading part 4, auxiliary cable core 5, branch's guiding element 6, branch's auxiliary cable core 7, the fire prevention of the first insulating layer 8, first
Mutual cooperation between the 9, first wearing layer 10 of layer, second insulating layer 11, the second fireprotection layer 12 and the second wearing layer 13 realizes
The core of leading of cable is made up of more cable cores, greatly reduces single core by a kind of insulated cable that flexibility is good
Section so that cable is more laborsaving in bending, and avoids the damage to cable.
Specifically, the main push-towing rope core 1, branch's cable core 3, auxiliary cable core 5 are by 160 diameters with branch's auxiliary cable core 7
0.2mm copper wire is twisted.
Specifically, the surface of the main push-towing rope core 1, branch's cable core 3, auxiliary cable core 5 and branch's auxiliary cable core 7 passes through wire
Mesh grid is rolled into stock.
Specifically, passing through asbestos cord filler filling 14 between first insulating layer 8, second insulating layer 11 and cable core.
Specifically, being fixedly connected between the main push-towing rope core 1 and auxiliary cable core 5 by the leading part 4 being spaced substantially equidistant, described point
It is fixedly connected between branch cable core 3 and branch's auxiliary cable core 7 by the branch's guiding element 6 being spaced substantially equidistant.
Specifically, first insulating layer 8 is made up with second insulating layer 11 of polyvinyl chloride.
Specifically, first fireprotection layer 9 is made up with the second fireprotection layer 12 of crosslinked polyethylene.
In use, being by 160 diameters by main push-towing rope core 1, branch's cable core 3, auxiliary cable core 5 and branch auxiliary cable core 7
0.2mm copper wire is twisted, and is effectively increased the radical for leading core, reduces the section of single core, keeps its flexibility more preferable,
And originally it is the novel material composition relatively high by sexual valence, on the basis of guaranteeing cable performance, life can be effectively reduced
Produce cost.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of magnesium oxide mineral insulation pre-branched cable, including main push-towing rope core (1), it is characterised in that: the right side of the main push-towing rope core (1)
Side is fixedly connected with branch's cable core (3) by connector (2), and the surface of the main push-towing rope core (1) is leading by what is be spaced substantially equidistant
Part (4) is fixedly connected with auxiliary cable core (5), and it is fixed that the surface of branch's cable core (3) passes through the branch's guiding element (6) being spaced substantially equidistant
It is connected with branch's auxiliary cable core (7), the surface of seven auxiliary cable cores (5) is wrapped up by the first insulating layer (8), first insulating layer
(8) surface is fixedly connected with the first fireprotection layer (9), and the surface of first fireprotection layer (9) is fixedly connected with the first wearing layer
(10), the surface of five branch's auxiliary cable core (7) is wrapped up by second insulating layer (11), the surface of the second insulating layer (11)
It is fixedly connected with the second fireprotection layer (12), the surface of second fireprotection layer (12) is fixedly connected with the second wearing layer (13).
2. a kind of magnesium oxide mineral insulation pre-branched cable according to claim 1, it is characterised in that: the main push-towing rope core
(1), branch's cable core (3), auxiliary cable core (5) and branch's auxiliary cable core (7) are that 0.2mm copper wire is twisted by 160 diameters.
3. a kind of magnesium oxide mineral insulation pre-branched cable according to claim 1, it is characterised in that: the main push-towing rope core
(1), branch's cable core (3), auxiliary cable core (5) and branch assist the surface of cable core (7) to pass through woven wire cloth and are rolled into stock.
4. a kind of magnesium oxide mineral insulation pre-branched cable according to claim 1, it is characterised in that: first insulation
It is filled between layer (8), second insulating layer (11) and cable core by asbestos cord filler (14).
5. a kind of magnesium oxide mineral insulation pre-branched cable according to claim 1, it is characterised in that: the main push-towing rope core
(1) it is fixedly connected between auxiliary cable core (5) by the leading part (4) being spaced substantially equidistant, branch's cable core (3) and branch assist
It is fixedly connected between cable core (7) by the branch's guiding element (6) being spaced substantially equidistant.
6. a kind of magnesium oxide mineral insulation pre-branched cable according to claim 1, it is characterised in that: first insulation
Layer (8) is made up with second insulating layer (11) of polyvinyl chloride.
7. a kind of magnesium oxide mineral insulation pre-branched cable according to claim 1, it is characterised in that: first fire prevention
Layer (9) is made up with the second fireprotection layer (12) of crosslinked polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920445608.3U CN209641394U (en) | 2019-04-03 | 2019-04-03 | A kind of magnesium oxide mineral insulation pre-branched cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920445608.3U CN209641394U (en) | 2019-04-03 | 2019-04-03 | A kind of magnesium oxide mineral insulation pre-branched cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209641394U true CN209641394U (en) | 2019-11-15 |
Family
ID=68497252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920445608.3U Active CN209641394U (en) | 2019-04-03 | 2019-04-03 | A kind of magnesium oxide mineral insulation pre-branched cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209641394U (en) |
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2019
- 2019-04-03 CN CN201920445608.3U patent/CN209641394U/en active Active
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