CN107433706A - 一种pe电缆冲气式护套挤出的方法 - Google Patents

一种pe电缆冲气式护套挤出的方法 Download PDF

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Publication number
CN107433706A
CN107433706A CN201610387767.3A CN201610387767A CN107433706A CN 107433706 A CN107433706 A CN 107433706A CN 201610387767 A CN201610387767 A CN 201610387767A CN 107433706 A CN107433706 A CN 107433706A
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China
Prior art keywords
cable
head
air compressor
cables
compressor machine
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Pending
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CN201610387767.3A
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English (en)
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朱浩
曾学军
戴连奇
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ZHEJIANG ZHENGTAI CABLE CO Ltd
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ZHEJIANG ZHENGTAI CABLE CO Ltd
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Priority to CN201610387767.3A priority Critical patent/CN107433706A/zh
Publication of CN107433706A publication Critical patent/CN107433706A/zh
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/142—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration using force fields, e.g. gravity or electrical fields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/146—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration in the die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154—Coating solid articles, i.e. non-hollow articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

本发明公开了一种PE电缆冲气式护套挤出的方法，它涉及电缆护套技术领域；机头内安装有模具，模具内部设有电缆，电缆的表面包有一层护套，电缆的拉头端通过封头帽密封，机头通过法兰片和气管连接空压机，机头与空压机的连接处安装有压力表，机头与空压机的连接处内部垫有密封件，电缆的挤出方法为：在挤包护套时，在机头施加额定的冲气压力值，压缩气体充分填充在散热层内，加大电缆散热的空间及载流量，电缆圆整度≤15％。本发明有益效果为：它提高了电缆的圆整度，加大了电缆的散热性，增强了电缆的截流量，提升经济效益。

Description

一种PE电缆冲气式护套挤出的方法
技术领域
本发明涉及电缆护套技术领域，具体涉及一种PE电缆冲气式护套挤出的方法。
背景技术
在生产紧凑型节能防水交联聚乙烯绝缘中压电缆护套时，因电缆无填充，无法支撑散热层的空间，达不到电缆F值要求，电缆呈现三角形状散热层达不到理想效果。
发明内容
本发明的目的是提供一种PE电缆冲气式护套挤出的方法，它提高了电缆的圆整度，加大了电缆的散热性，增强了电缆的截流量，提升经济效益。
为了解决背景技术所存在的问题，本发明是采用以下技术方案：它的挤出方法中包含的部件有空压机、机头、模具、电缆、护套、法兰片、压力表部件；机头内安装有模具，模具内部设有电缆，电缆的表面包有一层护套，电缆的拉头端通过封头帽密封，机头通过法兰片和气管连接空压机，机头与空压机的连接处安装有压力表，机头与空压机的连接处内部垫有密封件。
所述电缆的内部设有数根线蕊，电缆的外壳为护套层，线蕊与护套层的中间设有散热层。
所述电缆的挤出方法为：在挤包护套时，在机头施加额定的冲气压力值，压缩气体充分填充在散热层内，加大电缆散热的空间及载流量，电缆圆整度≤15％。
采用上述结构后，本发明有益效果为：它提高了电缆的圆整度，加大了电缆的散热性，增强了电缆的截流量，提升经济效益。
附图说明
图1是本发明中包括部件的连接结构示意图；
图2是本发明中法兰片的结构示意图；
图3是本发明中电缆的结构示意图；
图4是本发明中电缆的内部结构示意图。
附图标记说明：
1-机头；2-模具；3-电缆；4-护套；5-法兰片；6-压力表；7-密封件；8-封头帽；9-线蕊；10-散热层；11-护套层。
具体实施方式
下面结合附图对本发明作进一步的说明。
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及具体实施方式，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施方式仅用以解释本发明，并不用于限定本发明。
如图1-4所示，本具体实施方式采用如下技术方案：它的挤出方法中包含的部件有空压机、机头1、模具2、电缆3、护套4、法兰片5、压力表6；机头1内安装有模具2，模具2内部设有电缆3，电缆3的表面包有一层护套4，电缆3的拉头端通过封头帽8密封，机头1通过法兰片5和气管连接空压机，机头1与空压机的连接处安装有压力表6，机头1与空压机的连接处内部垫有密封件7。
所述电缆3的内部设有数根线蕊9，电缆3的外壳为护套层11，线蕊9与护套层11的中间设有散热层10。
所述电缆3的挤出方法为：在挤包护套4时，在机头1施加额定的冲气压力值(额定的冲气压力值表如下)，压缩气体充分填充在散热层10内，加大电缆散热的空间及载流量，电缆圆整度≤15％。
额定的冲气压力值表
本具体实施方式的工作原理为：挤包护套4时在挤塑机机头1增加空气压缩，使压缩气体充分填充在散热层10内，加大电缆散热效果及载流量，同时使电缆圆整度符合标准的要求。
以上所述，仅用以说明本发明的技术方案而非限制，本领域普通技术人员对本发明的技术方案所做的其它修改或者等同替换，只要不脱离本发明技术方案的精神和范围，均应涵盖在本发明的权利要求范围当中。

Claims (3)

1.一种PE电缆冲气式护套挤出的方法，其特征在于它的挤出方法中包含的部件有空压机、机头、模具、电缆、护套、法兰片、压力表部件；机头内安装有模具，模具内部设有电缆，电缆的表面包有一层护套，电缆的拉头端通过封头帽密封，机头通过法兰片和气管连接空压机，机头与空压机的连接处安装有压力表，机头与空压机的连接处内部垫有密封件。
2.根据权利要求1所述的一种PE电缆冲气式护套挤出的方法，其特征在于所述电缆的内部设有数根线蕊，电缆的外壳为护套层，线蕊与护套层的中间设有散热层。
3.根据权利要求1所述的一种PE电缆冲气式护套挤出的方法，其特征在于所述电缆的挤出方法为：在挤包护套时，在机头施加额定的冲气压力值，压缩气体充分填充在散热层内，加大电缆散热的空间及载流量，电缆圆整度≤15％。
CN201610387767.3A 2016-05-27 2016-05-27 一种pe电缆冲气式护套挤出的方法 Pending CN107433706A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3070560B2 (ja) * 1997-01-30 2000-07-31 住友電気工業株式会社 自己支持型光ケーブルの製造方法
CN104201622A (zh) * 2014-09-11 2014-12-10 江苏安靠智能输电工程科技股份有限公司 一种预制类电力电缆中间接头安装装置及方法
CN204288960U (zh) * 2014-12-05 2015-04-22 中国西电集团公司 一种充气防粘装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3070560B2 (ja) * 1997-01-30 2000-07-31 住友電気工業株式会社 自己支持型光ケーブルの製造方法
CN104201622A (zh) * 2014-09-11 2014-12-10 江苏安靠智能输电工程科技股份有限公司 一种预制类电力电缆中间接头安装装置及方法
CN204288960U (zh) * 2014-12-05 2015-04-22 中国西电集团公司 一种充气防粘装置

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