CN202925384U - 复合涂层无砟轨道板绝缘钢筋 - Google Patents

复合涂层无砟轨道板绝缘钢筋 Download PDF

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CN202925384U
CN202925384U CN2012205589841U CN201220558984U CN202925384U CN 202925384 U CN202925384 U CN 202925384U CN 2012205589841 U CN2012205589841 U CN 2012205589841U CN 201220558984 U CN201220558984 U CN 201220558984U CN 202925384 U CN202925384 U CN 202925384U
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reinforcing steel
steel bar
track board
zinc alloy
micrometers
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CN2012205589841U
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郑玉飞
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XIAMEN XINGANG METAL PRODUCT CO Ltd
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XIAMEN XINGANG METAL PRODUCT CO Ltd
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Priority to PCT/CN2013/074387 priority patent/WO2014067267A1/zh
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C18/00—Alloys based on zinc
    • C22C18/04—Alloys based on zinc with aluminium as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/38—Wires; Tubes
    • C23C2/385—Tubes of specific length
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
    • E01B3/32—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Prevention Of Electric Corrosion (AREA)

Abstract

本实用新型公开了一种复合涂层无砟轨道板绝缘钢筋，其中在钢筋上热浸有锌合金层，在锌合金层之外再覆盖环氧树脂层形成复合涂层钢筋；所述锌合金层的厚度为20-40μm；环氧树脂层厚度为180-300μm。此复合涂层钢筋的内部金属锌层可提供钢筋全面的阴极保护，外部环氧树脂层可以在运输、安装和混凝土养护过程中进一步隔绝腐蚀介质和绝缘保护、并维护阳极镀层对钢铁的持续保护，能够避免轨道板内部形成电路回路，轨道板绝缘性能好，以满足高速铁路采用道板通信要求，特别在暴雨天气情况下道板阻抗能满足高速客运专线的通信。

Description

复合涂层无砟轨道板绝缘钢筋
技术领域
本实用新型涉及一种建筑用钢筋，特别是指一种用于高速铁路的复合涂层无砟轨道板绝缘钢筋。
背景技术
随着社会的进步，科技的提高，目前我国的铁路正向着高速的方向发展。
而现有的铁路不能提供电气、通讯进步的需要，致稳定性和可靠性差，同时由于可行车密度的加大，轨道的养护维修变得更为困难。
无砟轨道具有良好的稳定性和可靠性，提供稳定的道床结构，到了高速行车时，可大大减少养护维修的工作量。积极研发、推广无砟轨道已成为我国铁路跨越式发展的必然趋势。而现有的轨枕中使用的钢筋是普通预应力钢筋，在使用寿命及绝缘性能上都无法满足高速铁路轨道板的要求。
实用新型内容
本实用新型的目的是提供一种用于高速铁路的复合涂层无砟轨道板绝缘钢筋，其具有优越的绝缘及耐蚀性能，以满足高速铁路的需求。
为实现上述目的，本实用新型的解决方案是：
一种复合涂层无砟轨道板绝缘钢筋，其中：在钢筋上热浸有锌合金层，在锌合金层之外再覆盖环氧树脂层形成复合涂层钢筋；所述锌合金层的厚度为20-40μm；环氧树脂层厚度为180-300μm。
采用上述方案后，本实用新型的复合涂层钢筋的内部金属锌层可提供钢筋全面的阴极保护，外部环氧树脂层可以在运输、安装和混凝土养护过程中进一步隔绝腐蚀介质和绝缘保护、并维护阳极镀层对钢铁的持续保护，能够避免轨道板内部形成电路回路，轨道板绝缘性能好，以满足高速铁路采用道板通信要求，特别在暴雨天气情况下道板阻抗能满足高速客运专线的通信。
附图说明
图1是本实用新型复合涂层钢筋的结构示意图。
具体实施方式
配合图1所示，本实用新型揭示了一种复合涂层无砟轨道板绝缘钢筋，其是先在钢筋1上热浸有厚度为的锌合金层2，再在锌合金层之外再覆盖一层环氧树脂层3，从而形成复合涂层钢筋。
而所述锌合金层的合金重量比：
Zn：89%-99%
Al：0.2%-10%
Fe：0.001%-0.5%
Sn：0.0001%-0.25%
Cu：0.0001%-0.25%
本实用新型的复合涂层钢筋的内部金属锌层2可提供钢筋1全面的阴极保护，外部环氧树脂层3可以在运输、安装和混凝土养护过程中进一步隔绝腐蚀介质和绝缘保护、并维护阳极镀层对钢铁的持续保护。是一种新型、绝缘及耐蚀性能优越的钢筋。
另外，复合涂层无砟轨道板绝缘钢筋内层的薄热浸锌合金镀层厚度在20-40μm，其具有良好的与钢铁粘附性能、比常规热镀锌层高2-3倍的耐腐蚀性能、并对钢铁可提供可靠的牺牲阳极保护性能；而复合涂层无砟轨道板绝缘钢筋外层，即致密的环氧树脂涂层厚度为180-300μm，其具有良好的隔绝腐蚀介质和绝缘保护作用。
因此，本实用新型的复合涂层无砟轨道板绝缘钢筋，能够避免轨道板内部形成电路回路，轨道板绝缘性能好，以满足高速铁路采用道板通信要求，特别在暴雨天气情况下道板阻抗能满足高速客运专线的通信。

Claims (1)

1.一种复合涂层无砟轨道板绝缘钢筋，其特征在于：在钢筋上热浸有锌合金层，在锌合金层之外再覆盖环氧树脂层形成复合涂层钢筋；所述锌合金层的厚度为20-40μm；环氧树脂层厚度为180-300μm。
CN2012205589841U 2012-10-29 2012-10-29 复合涂层无砟轨道板绝缘钢筋 Expired - Lifetime CN202925384U (zh)

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Publication number Priority date Publication date Assignee Title
DE3729177C1 (de) * 1987-09-01 1989-01-05 Aicher Max Verfahren zum Behandeln von Walzstahl zur Erhoehung der Korrosionsbestaendigkeit
JP3040613B2 (ja) * 1992-10-07 2000-05-15 大日本塗料株式会社 鉄筋コンクリート構造物の防食方法
CN202324350U (zh) * 2011-08-26 2012-07-11 中国科学院金属研究所 一种带有防护涂层的钢筋
CN102912692A (zh) * 2012-10-29 2013-02-06 厦门新钢金属制品有限公司 复合涂层无砟轨道板绝缘钢筋

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