CN206058933U - Modified form low-smoke non-halogen flame-retardant environment-friendly type elevator trailing cable - Google Patents

Abstract

The utility model discloses a kind of modified form low-smoke non-halogen flame-retardant environment-friendly type elevator trailing cable, including the flat type sheath by made by halogen-free low-smoke flame retardant material, tone frequency channel wire group is provided with the middle part of flat type sheath, telephone wire group and the first twisted pair wire group have been arranged side by side respectively in the both sides of tone frequency channel wire group, flat type sheath it is relative with telephone wire group one on the outside of be provided with the first master core group, it is disposed with earth lead group and the second twisted pair wire group between first master core group and telephone wire group from outside to inside, flat type sheath it is relative with the first twisted pair wire group one on the outside of be provided with the second master core group, control line group is provided with the inside of second master core group, it is disposed with time core group and shielding line group between first twisted pair wire group and control line group from outside to inside.This utility model not only possesses the function of normal elevator trailing cable, and increased flexibility of the present utility model so that this utility model can reach the standard on 500mm labyrinths, it is adaptable to use under the narrow environment of elevator hoistways.

Description

Modified form low-smoke non-halogen flame-retardant environment-friendly type elevator trailing cable

Technical field

This utility model is related to elevator trailing cable field, more particularly to a kind of 500mm labyrinths modified form low smoke and zero halogen resistance Combustion environment-friendly type elevator trailing cable.

Background technology

With the high speed development of science and technology, elevator has become the indispensable carrying tool of people's life.Due to now high Layer building is more and more, and construction unit wishes to reduce elevator hoistways these attached construction areas, so construction unit can be use up The size of elevator hoistways is built as far as possible little by amount.And 500mm labyrinths elevator trailing cable to be exclusively used in elevator hoistways narrow Environment, so the elevator trailing cable on research and development 500mm labyrinths is very necessary.Current elevator trailing cable by In internal core irrational distribution, its bending property is affected so that current elevator trailing cable is unfavorable for that elevator hoistways are narrow In the environment of use.And for the elevator trailing cable on 500mm labyrinths can not weaken low cigarette while bending property is increased The function of halogen-free flame-proof environmental protection.

Utility model content

The purpose of this utility model is the above-mentioned not enough and defect for prior art, there is provided a kind of 500mm modified forms Labyrinth low-smoke non-halogen flame-retardant environment-friendly type elevator trailing cable, to solve the above problems.

The technical problem solved by this utility model can employ the following technical solutions to realize：

Modified form low-smoke non-halogen flame-retardant environment-friendly type elevator trailing cable, including the flat type by made by halogen-free low-smoke flame retardant material Sheath, it is characterised in that be provided with tone frequency channel wire group in the middle part of the flat type sheath, in the both sides of the tone frequency channel wire group respectively simultaneously Row is provided with telephone wire group and the first twisted pair wire group, the flat type sheath it is relative with the telephone wire group one on the outside of be provided with the One master core group, is disposed with earth lead group and second between the first master core group and the telephone wire group from outside to inside Twisted pair wire group, the flat type sheath it is relative with the first twisted pair wire group one on the outside of be provided with the second master core group, described Control line group is provided with the inside of two master core groups, between the first twisted pair wire group and the control line group from outside to inside successively Time core group and shielding line group are provided with, in the telephone wire group, the first twisted pair wire group, the second twisted pair wire group, the first master core The periphery of group, the second master core group, secondary core group and control line group is surrounded with glass inhibiting tape, the telephone wire group, second pair Twisted wire group, the glass inhibiting tape lapping direction of the first master core group and the first twisted pair wire group, secondary core group, control line group, The glass inhibiting tape lapping direction of the second master core group is contrary.

In a preferred embodiment of the present utility model, the width of the flat type sheath is 63mm～67mm, and thickness is 7.8mm～9.8mm, the tone frequency channel wire group and the telephone wire group and the adjacent setting of the first twisted pair wire group, the ground connection Line group and the adjacent setting of the second twisted pair wire group, the second master core group and the adjacent setting of the control line group, described time Core group and the adjacent setting of the shielding line group, wherein, between the first master core group and the earth lead group, described second Between twisted pair wire group and the telephone wire group, between the first twisted pair wire group and the shielding line group and described core group The first gap is left between the control line group, first gap is 1mm～1.5mm, the first master core group and institute State between a cambered surface outer end of flat type sheath and the second master core group and the flat type sheath another cambered surface outer end it Between leave the second gap, second gap is 1mm～1.5mm, the both sides outerplanar of the flat type sheath to described first, the Third space is left between the outermost end of two master core groups, the third space is 0.8mm～1.3mm.

In a preferred embodiment of the present utility model, the periphery of the tone frequency channel wire group is coated with the first aluminum foil shielded Layer, the periphery of the shielding line group are coated with the second foil shielding layer, first foil shielding layer and arrange the first tin plated wire Second tin plated wire earth lead is set in earth lead, second foil shielding layer.

As a result of technical scheme as above, this utility model by the reasonable dispensing position of each line group in flat type sheath, So that this utility model not only possesses the function of normal elevator trailing cable, and considerably increase softness of the present utility model Property so that this utility model can reach the standard on 500mm labyrinths, it is adaptable to use under the narrow environment of elevator hoistways.In electricity Words line group, the first twisted pair wire group, the second twisted pair wire group, the first master core group, the second master core group, secondary core group and control line group Periphery be surrounded with glass inhibiting tape, telephone wire group, the second twisted pair wire group, the glass inhibiting tape lapping direction of the first master core group With the first twisted pair wire group, secondary core group, control line group, the second master core group glass inhibiting tape lapping direction conversely, not only entering One step increased fire resistance of the present utility model, and the lapping structure that symmetrical reverse is arranged can further increase this practicality New flexibility, meets the standard on 500mm labyrinths.

Description of the drawings

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.

Fig. 1 is a kind of structural representation of embodiment of this utility model.

Specific embodiment

In order that technological means, creation characteristic, reached purpose and effect that this utility model is realized are easy to understand, under Face is expanded on further this utility model.

Modified form low-smoke non-halogen flame-retardant environment-friendly type elevator trailing cable shown in Figure 1, including by low-smoke non-halogen flame-retardant Flat type sheath 100 made by material.

The middle part of flat type sheath 100 is provided with tone frequency channel wire group 200, tone frequency channel wire group 200 includes the tone frequency channel wire of a strand 210, the first foil shielding layer 220 is coated with the periphery of tone frequency channel wire group 200, arrange first and plate in the first foil shielding layer 220 Stannum silk earth lead 230, is provided with implant in the first foil shielding layer 220.

Telephone wire group 300 and the first twisted pair wire group 410 have been arranged side by side respectively in the both sides of tone frequency channel wire group 200.Telephone wire Group 300 includes the telephone wire 310 and implant of a strand.First twisted pair wire group 410 includes 411 He of twisted pair wire of a strand Implant.The 410 adjacent setting of tone frequency channel wire group 200 and telephone wire group 300 and the first twisted pair wire group.

Flat type sheath 100 it is relative with telephone wire group 300 one on the outside of be provided with the first master core group 510, the first master core Group 510 include one group by the first stranded master core 511 of six roots of sensation core and one group by five cores it is stranded second Master core 512.The 512 adjacent setting of first master core 511 and the second master core.

It is disposed with earth lead group 600 and second pair between first master core group 510 and telephone wire group 300 from outside to inside Twisted wire group 420, the 420 adjacent setting of earth lead group 600 and the second twisted pair wire group.Earth lead group 600 includes the ground connection of a strand Line 610 and implant, the second twisted pair wire group 420 include the twisted pair wire 421 and implant of a strand.

Flat type sheath 100 it is relative with the first twisted pair wire group 410 one on the outside of be provided with the second master core group 520, the second master Core group 520 includes one group by the second stranded master core 521 of six roots of sensation core.The inner side of the second master core group 520 is arranged There is control line group 700, the 700 adjacent setting of the second master core group 520 and control line group, control line group 700 include a strand Control line 710 and implant.

It is disposed with time core group 800 and shielding line between first twisted pair wire group 410 and control line group 700 from outside to inside Group 900, the 900 adjacent setting of secondary core group 800 and shielding line group.Secondary core group 800 includes that one group is formed by five cores are stranded Secondary core 810.Shielding line group 900 includes the shielding line 910 of a strand, is coated with second in the periphery of shielding line group 900 Foil shielding layer 920, arranges the second tin plated wire earth lead 930 in the second foil shielding layer 920.

Lead in telephone wire group 300, the first twisted pair wire group 410, the second twisted pair wire group 420, the first master core group 510, second The periphery of core group 520, secondary core group 800 and control line group 700 is surrounded with glass inhibiting tape, telephone wire group 310, the second pair twist Line group 420, the glass inhibiting tape 1a lapping directions of the first master core group 510 and the first twisted pair wire group 410, secondary core group 800, control Line group 700 processed, the glass inhibiting tape 1b lapping directions of the second master core group 520 are conversely, not only further increase this practicality newly The fire resistance of type, and the lapping structure that symmetrical reverse is arranged can further increase flexibility of the present utility model, meet The standard on 500mm labyrinths.

This utility model is by the reasonable dispensing position of each line group in flat type sheath so that this utility model not only possesses normally The function of elevator trailing cable, and considerably increase flexibility of the present utility model so that this utility model can reach The standard on 500mm labyrinths, it is adaptable to use under the narrow environment of elevator hoistways.

And the elevator trailing cable of not all thickness or width is suitable for making 500mm labyrinths trailing cable, works as flat type When the thickness or too thick width of sheath, cause trailing cable bend to the requirement of 500mm labyrinths, when the thickness of flat type sheath Or width it is too thin when, cause trailing cable to be easily broken off when 500mm labyrinths are bent to.Flat type sheath in the present embodiment 100 width is 63mm～67mm, and thickness is 7.8mm～9.8mm, between the first master core group 510 and earth lead group 600, the Between two twisted pair wire groups 420 and telephone wire group 300, between the first twisted pair wire group 410 and shielding line group 900 and secondary core group The first gap e1 is left between 800 and control line group 700, the first gap e1 is 1mm～1.5mm.First master core group 510 with it is flat Between one cambered surface outer end 101 of type sheath 100 and the second master core group 520 and flat type sheath 100 another cambered surface outer end 102 Between leave the second gap e2, the second gap e2 is 1mm～1.5mm.The both sides outerplanar 103,104 of flat type sheath 100 is to First, third space e3 is left between the outermost end of the second master core group 510,520, third space e3 is 0.8mm～1.3mm.

In order to further increase this utility model bending property, the requirement on 500mm labyrinths is further met, and flat type sheath exists The pre-heat treatment is carried out before extrusion to sheath material first, preheating temperature is 55～65 DEG C, and preheating time is 3～5 hours, and preheating can Remove the moisture of material surface absorption, it is to avoid cause sheath section cavitations.Extruder has six temperature sections, six temperature sections 130～150 DEG C, 130～160 DEG C, 140～165 DEG C, 140～160 DEG C, 110～140 DEG C, 90～130 DEG C are followed successively by, six warm It is in first to heat rear cooling method that section is overall, it is possible to increase the bending property of sheath.The density of sheath material is 1.39～1.43g/ cm³, density crosses conference increases weight, affects the bending property of cable, and density is too small to affect sheath performance.Above-mentioned preferred side Case, flat type sheath first carry out the pre-heat treatment before extrusion to sheath material, and preheating temperature is 60 DEG C, and preheating time is 4 hours, shield The density of cover material is 1.41g/cm³。

Ultimate principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description Simply illustrate principle of the present utility model, on the premise of without departing from this utility model spirit and scope, this utility model is also Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed this utility model.This utility model Claimed scope is by appending claims and its equivalent thereof.

Claims (3)

1. modified form low-smoke non-halogen flame-retardant environment-friendly type elevator trailing cable, protects including the flat type by made by halogen-free low-smoke flame retardant material Set, it is characterised in that be provided with tone frequency channel wire group in the middle part of the flat type sheath, in the both sides of the tone frequency channel wire group respectively side by side Be provided with telephone wire group and the first twisted pair wire group, the flat type sheath it is relative with the telephone wire group one on the outside of be provided with first Master core group, is disposed with earth lead group and second pair from outside to inside between the first master core group and the telephone wire group Twisted wire group, the flat type sheath it is relative with the first twisted pair wire group one on the outside of be provided with the second master core group, described second Control line group is provided with the inside of master core group, is set successively between the first twisted pair wire group and the control line group from outside to inside Be equipped with time core group and shielding line group, the telephone wire group, the first twisted pair wire group, the second twisted pair wire group, the first master core group, The periphery of the second master core group, secondary core group and control line group is surrounded with glass inhibiting tape, the telephone wire group, the second twisted pair wire Group, the glass inhibiting tape lapping direction of the first master core group and the first twisted pair wire group, secondary core group, control line group, second The glass inhibiting tape lapping direction of master core group is contrary.

2. modified form low-smoke non-halogen flame-retardant environment-friendly type elevator trailing cable as claimed in claim 1, it is characterised in that described flat The width of type sheath is 63mm～67mm, and thickness is 7.8mm～9.8mm, the tone frequency channel wire group and the telephone wire group and institute State the adjacent setting of the first twisted pair wire group, the earth lead group and the adjacent setting of the second twisted pair wire group, second master core Group and the adjacent setting of the control line group, described core group and the adjacent setting of the shielding line group, wherein, first main line Between core group and the earth lead group, between the second twisted pair wire group and the telephone wire group, the first twisted pair wire group with The first gap is left between the shielding line group and between described core group and the control line group, first gap is Between one cambered surface outer end of 1mm～1.5mm, the first master core group and the flat type sheath and the second master core group The second gap is left and another cambered surface outer end of the flat type sheath between, second gap is 1mm～1.5mm, described flat The both sides outerplanar of type sheath leaves third space between the outermost end of the first, second master core group, between the described 3rd Gap is 0.8mm～1.3mm.

3. modified form low-smoke non-halogen flame-retardant environment-friendly type elevator trailing cable as claimed in claim 2, it is characterised in that the sound The periphery of frequency line group is coated with the first foil shielding layer, and the periphery of the shielding line group is coated with the second foil shielding layer, described Arrange in first foil shielding layer in the first tin plated wire earth lead, second foil shielding layer and the second tin plated wire ground connection is set Line.