CN204066839U - Trailing cable - Google Patents

Trailing cable Download PDF

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Publication number
CN204066839U
CN204066839U CN201420014306.8U CN201420014306U CN204066839U CN 204066839 U CN204066839 U CN 204066839U CN 201420014306 U CN201420014306 U CN 201420014306U CN 204066839 U CN204066839 U CN 204066839U
Authority
CN
China
Prior art keywords
insulated wire
wire cores
conductor
trailing cable
flame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201420014306.8U
Other languages
Chinese (zh)
Inventor
孔善祥
高丁元
史孔金
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Xinshida Elevator Parts Co ltd
Shanghai Step Electric Corp
Original Assignee
Shanghai Step Electrical Wire and Cable Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Step Electrical Wire and Cable Co Ltd filed Critical Shanghai Step Electrical Wire and Cable Co Ltd
Priority to CN201420014306.8U priority Critical patent/CN204066839U/en
Application granted granted Critical
Publication of CN204066839U publication Critical patent/CN204066839U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a kind of trailing cable, comprise some insulated wire cores and and be coated on sheath outside those insulated wire cores, each this insulated wire cores comprises a conductor and is coated on the insulating barrier outside this conductor, this conductor forms by some conductor monofilament are stranded, the material of this insulating barrier is 105 DEG C of irradiation cross-linking flame-retardant polyolefine materials, and the material of this sheath is 105 DEG C of flame retardant polyolefine materials.Trailing cable of the present utility model, long-term maximum operating temperature reaches 105 DEG C, fire resistance meets GA306 standard-required, overcome in prior art that polyvinyl chloride-insulated polyvinyl chloride trailing cable Long-term service temperature is low, thermal lifetime is short and do not meet the defect of the flame-retardancy requirements that public place specifies, ensure the reliability that trailing cable uses when ambient temperature is more than 30 DEG C, and can public place be used in; The raising of thermal endurance class, can increase the ampacity of cable simultaneously; Not containing halogen element in material, make cable fulfils environmental requirement.

Description

Trailing cable
Technical field
The utility model relates to a kind of cable for elevator industry of accompanying, particularly a kind of 105 DEG C of fire-retardant trailing cables.
Background technology
Because the Long-term service temperature of polyvinyl chloride insulation or sheath is low, thermal lifetime is short, so the polyvinyl chloride-insulated polyvinyl chloride trailing cable used at present, when environment for use temperature less than 30 DEG C, its long-term maximum operating temperature is defined as 70 DEG C.When the environment for use temperature of trailing cable is more than 30 DEG C, trailing elevator cable conductor temperature also may by more than 70 DEG C, the mechanical performance of insulation, sheath can not ensure the normal instructions for use of cable, aging acceleration, affect trailing cable operational reliability and useful life.So polyvinyl chloride-insulated polyvinyl chloride trailing cable shows the defect that Long-term service temperature is low, thermal lifetime is short at higher ambient temperatures.
At present, country specifies the flame-retardancy requirements that must meet GA306 standard to the electric wire that public place uses, and the trailing cable of the polyvinyl chloride insulation used at present and pvc sheath does not reach the requirement of GA306 standard fire resistance, limit its scope of application in public places.
Utility model content
The technical problems to be solved in the utility model shows to overcome prior art trailing cable the defect that Long-term service temperature is low, thermal lifetime is short at higher ambient temperatures, provides a kind of trailing cable.
The utility model solves above-mentioned technical problem by following technical proposals:
A kind of trailing cable, comprise some insulated wire cores and and be coated on sheath outside those insulated wire cores, each this insulated wire cores comprises a conductor and is coated on the insulating barrier outside this conductor, this conductor forms by some conductor monofilament are stranded, its feature is, the material of this insulating barrier is 105 DEG C of irradiation cross-linking flame-retardant polyolefine materials, and the material of this sheath is 105 DEG C of flame retardant polyolefine materials.105 DEG C of irradiation cross-linking flame-retardant polyolefine materials and 105 DEG C of flame retardant polyolefine materials are current material, can obtain on the market.
Preferably, those insulated wire cores are divided into groups the multiple stranding insulated wire cores of stranded formation, and this sheath is coated on outside those stranding insulated wire cores.
Preferably, at least one interstitial wire is placed with in each this stranding insulated wire cores.
Preferably, the material of this interstitial wire is 105 DEG C of irradiation cross-linking flame-retardant polyolefine materials.
Preferably, the quantity of those stranding insulated wire cores is 6.
Preferably, each stranding insulated wire cores comprises 6 these insulated wire cores.
Preferably, the diameter of each this conductor monofilament is 0.1-0.2mm.
Preferably, the insulating barrier extruded outside each this conductor and this conductor forms an insulated wire cores, and the material of this insulating barrier is 105 DEG C of irradiation cross-linking flame-retardant polyolefine materials.
Preferably, those insulated wire cores after each extrudes 105 DEG C of irradiation cross-linking flame-retardant polyolefin insulation layer adopt existing technique, carry out cross-linking radiation with electron accelerator to insulating barrier, make insulating material molecular structure become build three-dimensional structure by line style.
In this programme, the insulating barrier of 105 DEG C of irradiation cross-linking flame-retardant polyolefine materials and the sheath of 105 DEG C of flame retardant polyolefine materials are selected, all greatly be better than insulation and sheath material in the polyvinyl chloride-insulated polyvinyl chloride trailing cable used at present at Long-term service temperature and thermal lifetime performance, fire resistance meets the requirement of GA306 standard.So the highest Long-term service temperature of trailing cable reaches 105 DEG C, when can ensure ambient temperature more than 30 DEG C, cable can normally use, and can be used on the elevator of public place simultaneously, expand the scope of application.
In the utility model, above-mentioned optimum condition can combination in any on the basis meeting this area general knowledge, obtains each preferred embodiment of the present utility model.
Positive progressive effect of the present utility model is: trailing cable of the present utility model, long-term maximum operating temperature reaches 105 DEG C, fire resistance meets GA306 standard-required, overcome in prior art that polyvinyl chloride-insulated polyvinyl chloride trailing cable Long-term service temperature is low, thermal lifetime is short and do not meet the defect of the flame-retardancy requirements that public place specifies, ensure the reliability that trailing cable uses when ambient temperature is more than 30 DEG C, and can public place be used in; The raising of thermal endurance class, can increase the ampacity of cable simultaneously; Not containing halogen element in material, make cable fulfils environmental requirement.
Accompanying drawing explanation
Fig. 1 is the structural representation of the trailing cable of the utility model embodiment 1.
Fig. 2 is the structural representation of the trailing cable of the utility model embodiment 2.
Embodiment
Enumerate preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the utility model to be described.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of trailing cable, comprise 3 insulated wire cores and a sheath 1, those insulated wire cores are parallel in this sheath 1, this sheath 1 to be coated on outside those insulated wire cores and dense packing effect can be carried out in the space between those insulated wire cores, the insulating barrier 3 that each this insulated wire cores comprises a conductor 2 and is coated on outside this conductor, this conductor 2 forms by the monofilament of some conductors 2 is stranded, the diameter of the monofilament of each this conductor 2 is 0.1mm, this insulating barrier 3 adopts 105 DEG C of irradiation cross-linking flame-retardant crosslinked polyolefin insulating material squash types to extrude mode and makes, the insulating barrier 3 of each insulated wire cores carries out cross-linking radiation by electron accelerator to insulating barrier, insulating material molecular structure is made to become build three-dimensional structure by line style, the material of this sheath 1 is 105 DEG C of flame retardant polyolefine materials, the Long-term service temperature of cable can reach 105 DEG C, fire resistance can meet GA306 standard-required, the trailing cable of the present embodiment can be used in ambient temperature higher than 30 DEG C of occasions, also public place can be used in.
Embodiment 2
The utility model provides a kind of trailing cable, and it comprises some conductors 2, and some insulating barrier 3 and is arranged at the sheath 1 outside the insulated wire cores of stranding.Those conductors 2 strandedly form conductor 2 by the monofilament of the conductor 2 of same diameter is mutual.The insulating barrier 3 of these heat-resisting 105 DEG C of irradiation cross-linking flame-retardant polyolefine materials is extruded with outside each conductor 2, the insulating barrier 3 of the heat-resisting 105 DEG C of irradiation cross-linking flame-retardant polyolefine materials extruded outside each conductor 2 and each conductor forms an insulated wire cores, each extrude after insulated wire cores by electron accelerator, cross-linking radiation is carried out to insulating barrier, insulating material molecular structure is made to become build three-dimensional structure by line style, some insulated wire cores are divided into groups stranded formation stranding insulated wire cores, a cross-linking radiation 105 DEG C of fire retardant polyolefin interstitial wires are placed in the middle of each stranding insulated wire cores, some stranding insulated wire cores are arranged in parallel, one 105 DEG C of flame-retardant polyolefin sheathed materials are extruded outside those stranding insulated wire cores.
In the present embodiment, as shown in Figure 2, these 105 DEG C of fire-retardant trailing cables form cable insulated wire cores by 6 and form, each this conductor 2 forms by some diameter 0.1 ~ 0.2mm same conductor are stranded, each insulated wire cores comprises a conductor and an insulating barrier 3, this insulating barrier 3 adopts 105 DEG C of irradiation cross-linking flame-retardant crosslinked polyolefin insulating material squash types to extrude mode and makes, the insulating barrier 3 of each insulated wire cores carries out cross-linking radiation by electron accelerator to insulating barrier, insulating material molecular structure is made to become build three-dimensional structure by line style, those insulated wire cores divide into groups to place in the middle of stranded formation stranding insulated wire cores and each stranding insulated wire cores the interstitial wire 4 of one 105 DEG C of irradiation cross-linking flame-retardant polyolefine materials, those stranding insulated wire cores laid out in parallel are in this sheath 1.This sheath 1 is extruded by 105 DEG C of flame-retardant polyolefin sheathed materials and is formed in outside those stranding insulated wire cores.Extrude in process, the space dense packing effect between those stranding insulated wire cores is formed the sheath 1 outside this stranding insulated wire cores by these 105 DEG C of flame-retardant polyolefin sheathed materials, ensures the stability of this trailing cable.
In the present embodiment, 105 DEG C of irradiation cross-linking flame-retardant polyolefine materials are current materials, insulated by 105 DEG C of fire retardant polyolefins and carry out producing after cross-linking radiation reaction through electron accelerator, its molecular structure becomes build three-dimensional structure by line style, improve heat-resistant deforming and heat aging property, improve the mechanical property under high temperature; Sheath have employed the flame retardant polyolefine material that thermal endurance class is 105 DEG C, so, the long-term maximum operating temperature of 105 DEG C of fire-retardant trailing cables reaches 105 DEG C, improves 35 DEG C than polyvinyl chloride-insulated polyvinyl chloride trailing cable Long-term service temperature 70 DEG C in prior art.So trailing cable can use in higher ambient temperature.In addition, the anti-flammability index of material is oxygen index, and its numerical value is higher, and anti-flammability is better.The oxygen index of general pvc material is about 24, and the oxygen index of the irradiation cross-linking flame-retardant crosslinked polyolefin insulating material adopted in the present embodiment and flame-retardant polyolefin sheathed material reaches more than 30, the fire resistance of cable can meet GA306 standard-required, and the trailing cable of the present embodiment also can be used in public place.
Although the foregoing describe embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection range of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these execution modes, but these change and amendment all falls into protection range of the present utility model.

Claims (4)

1. a trailing cable, comprise some insulated wire cores and and be coated on sheath outside those insulated wire cores, each this insulated wire cores comprises a conductor and is coated on the insulating barrier outside this conductor, this conductor forms by some conductor monofilament are stranded, it is characterized in that, the material of this insulating barrier is 105 DEG C of irradiation cross-linking flame-retardant polyolefine materials, the material of this sheath is 105 DEG C of flame retardant polyolefine materials, those insulated wire cores are divided into groups the multiple stranding insulated wire cores of stranded formation, this sheath is coated on outside those stranding insulated wire cores, at least one interstitial wire is placed with in each this stranding insulated wire cores, the material of this interstitial wire is 105 DEG C of irradiation cross-linking flame-retardant polyolefine materials.
2. trailing cable as claimed in claim 1, it is characterized in that, the quantity of those stranding insulated wire cores is 6.
3. trailing cable as claimed in claim 2, it is characterized in that, each stranding insulated wire cores comprises 6 these insulated wire cores.
4. the trailing cable as described in claim 1-3 any one, is characterized in that, the diameter of each this conductor monofilament is 0.1-0.2mm.
CN201420014306.8U 2014-01-10 2014-01-10 Trailing cable Expired - Lifetime CN204066839U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420014306.8U CN204066839U (en) 2014-01-10 2014-01-10 Trailing cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420014306.8U CN204066839U (en) 2014-01-10 2014-01-10 Trailing cable

Publications (1)

Publication Number Publication Date
CN204066839U true CN204066839U (en) 2014-12-31

Family

ID=52208299

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420014306.8U Expired - Lifetime CN204066839U (en) 2014-01-10 2014-01-10 Trailing cable

Country Status (1)

Country Link
CN (1) CN204066839U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: SHANGHAI XINSHIDA CABLE TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: SHANGHAI STEP ELECTRICAL WIRE + CABLE CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 201802 Shanghai City, Jiading District Nanxiang Town, new Qin Road No. 289

Patentee after: SHANGHAI STEP ELECTRIC Corp.

Address before: 201802 Shanghai City, Jiading District Nanxiang Town, new Qin Road No. 289

Patentee before: SHANGHAI STEP ELECTRICAL WIRE & CABLE Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170930

Address after: 201802 Shanghai City, Jiading District Nanxiang Town, Xinfeng new village Qin Road No. 289

Co-patentee after: Shanghai Xinshida Elevator Parts Co.,Ltd.

Patentee after: SHANGHAI STEP ELECTRIC Corp.

Co-patentee after: SHANGHAI STEP ELECTRIC Corp.

Address before: 201802 Shanghai City, Jiading District Nanxiang Town, new Qin Road No. 289

Patentee before: SHANGHAI STEP ELECTRIC Corp.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20141231