CN107464611A - 一种柔性防火绝缘电缆 - Google Patents
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Abstract
本发明提供了一种柔性防火绝缘电缆，包括若干导体，所述导体由内而外依次包括缆芯、绝缘层和屏蔽层，其特征在于：还包括加强件，所述加强件包括FRP条以及套接在所述FRP条上的缓冲体，所述缓冲体包括阻挡部以及相邻所述阻挡部之间的弧形部，相邻所述阻挡部间设有一个所述导体，所述加强件外侧依次套接有无机包带层、防水层和包覆在所述防水层外部的阻燃层，所述加强件与所述无机包带层间填充有柔性材料，所述防水层和所述阻燃层的贴合表面上交替嵌有高碳钢丝，所述阻燃层外包覆有弹性尼龙树脂外护套。
Description
技术领域
本发明涉及电缆技术领域，尤其涉及一种柔性防火绝缘电缆。
背景技术
随着科技的日益加速发展，机器人电缆目前被广泛应用，未来具有较高的附加值，市场发展前景广阔，并有极好的经济效益。但是目前的机器人电缆品种很少，而且还有很多的技术要求都不能同时满足，有柔软性能好，但电缆不能长时间耐磨，影响电缆的使用寿命；能长时间耐磨的电缆一般情况柔软性能不是很好，往往会被一些既要求电缆产品有高柔软性，又要能长时间耐磨耐曲饶而不影响电缆使用寿命的条件所束缚，大大影响了公司的经济效益。
发明内容
针对现有技术的不足，本发明提供了一种柔性防火绝缘电缆，该电缆具有高柔性耐曲饶、高耐磨、抗干扰等性能，你能够在恶劣环境中实用，并具有较强的机械强度。
为了达到该目的，本发明采用如下技术方案：包括若干导体，所述导体由内而外依次包括缆芯、绝缘层和屏蔽层，其特征在于：还包括加强件，所述加强件包括FRP条以及套接在所述FRP条上的缓冲体，所述缓冲体包括阻挡部以及相邻所述阻挡部之间的弧形部，相邻所述阻挡部间设有一个所述导体，所述加强件外侧依次套接有无机包带层、防水层和包覆在所述防水层外部的阻燃层，所述加强件与所述无机包带层间填充有柔性材料，所述防水层和所述阻燃层的贴合表面上交替嵌有高碳钢丝，所述阻燃层外包覆有弹性尼龙树脂外护套。
作为一种优选，所述高碳钢丝部分位于所述防水层和所述阻燃层外部，三个所述高碳钢丝紧密排列，所述防水层和所述阻燃层上交替排列的所述高碳钢丝间相抵设置。
作为一种优选，所述FRP条与所述缓冲体间设置有连接胶体。
作为一种优选，所述无机包带层为无碱玻璃丝编织层。
作为一种优选，所述无机包带层外表面涂有防腐漆。
作为一种优选，所述防水层和所述阻燃层上的高碳钢丝均匀分布。
作为一种优选，所述阻燃层为粉云母带缠绕而成。
综上，本发明具有以下优点：FRP条的设置大大增强了电缆的抗拉强度，增加了电缆的适用范围，避免其在机器人工作过程中被拉扯破坏；FRP条上套接缓冲体，缓冲体上的阻挡部和弧形部半包围导体，在电缆受到挤压以及扭转过程中，对导体进行缓冲保护；加强件外侧依次设有无机包带层、防水层和阻燃层，外部包覆有弹性尼龙树脂外护套，韧性好、抗磨损能力以及化学腐蚀能力强，同时兼顾阻燃和防水性，能够应用不同环境以及恶劣工况；防水层和阻燃层的贴合表面上交替嵌有高碳钢丝，起到屏蔽作用的同时，增大了防水层和阻燃层间的摩擦，避免电缆局部扭转变形过大。
附图说明
图1是本发明的截面结构示意图。
图中的标号如下：
1．导体，11．缆芯，12．绝缘层，13．屏蔽层，2．加强件，21．FRP条，22．缓冲体，221．阻挡部，222．弧形部，3．无机包带层，4．防水层，5．阻燃层，6．弹性尼龙树脂外护套，7．高碳钢丝。
具体实施方式
下面结合附图中实施例对本发明作进一步说明。
如图1所示，该电缆包括若干导体1，导体1由内而外依次包括缆芯11、绝缘层12和屏蔽层13，还包括加强件2，加强件2包括FRP条21以及套接在FRP条21上的缓冲体22，缓冲体22包括阻挡部221以及相邻阻挡部221之间的弧形部222，相邻阻挡部221间设有一个导体1，加强件2外侧依次套接有无机包带层3、防水层4和包覆在防水层4外部的阻燃层5，加强件2与无机包带层3间填充有柔性材料。柔性材料可选为，麻绳、棉条或橡皮条等。防水层4和阻燃层5的贴合表面上交替嵌有高碳钢丝7，阻燃层5外包覆有弹性尼龙树脂外护套6。高碳钢丝7部分位于防水层4和阻燃层5外部，三个高碳钢丝7紧密排列在一起并以三个为一组，防水层4和阻燃层5上交替排列的所述高碳钢丝7间相抵设置。
FRP条21的质量轻且机械强度大，可以大大增强电缆的抗拉强度，增加了电缆的适用范围，避免其在机器人工作过程中被拉扯破坏。FRP条21外侧套接缓冲体22，缓冲体22上的阻挡部221和弧形部222半包围导体1，在电缆受到挤压以及扭转过程中，对导体1进行缓冲保护。电缆外部包覆有弹性尼龙树脂外护套6，韧性好、抗磨损能力以及化学腐蚀能力强，尤其是抵抗汽油、机油能力强。电缆加强件2外侧依次设有无机包带层3、防水层4和阻燃层5，同时兼顾阻燃和防水性，能够应用不同环境以及恶劣工况；防水层4和阻燃层5的贴合表面上交替嵌有高碳钢丝7，起到屏蔽作用的同时，增大了防水层4和阻燃层5间的摩擦，避免电缆局部扭转变形过大。
FRP条21与缓冲体22间设置有连接胶体，避免二者之间的错位。无机包带层3为无碱玻璃丝编织层，起到耐高温作用，同时具有一定的绝缘性。无机包带层3外表面涂有防腐漆。防水层4和阻燃层5上的高碳钢丝7均匀分布。阻燃层5为粉云母带缠绕而成，满足阻燃要求并具有良好的柔软性。
以上说明仅仅是对本发明的解释，使得本领域普通技术人员能完整的实施本方案，但并不是对本发明的限制，本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改，这些都是不具有创造性的修改。但只要在本发明的权利要求范围内都受到专利法的保护。
Claims (7)
1.一种柔性防火绝缘电缆，包括若干导体（1），所述导体（1）由内而外依次包括缆芯（11）、绝缘层（12）和屏蔽层（13），其特征在于：还包括加强件（2），所述加强件（2）包括FRP条（21）以及套接在所述FRP条（21）上的缓冲体（22），所述缓冲体（22）包括阻挡部（221）以及相邻所述阻挡部（221）之间的弧形部（222），相邻所述阻挡部（221）间设有一个所述导体（1），所述加强件（2）外侧依次套接有无机包带层（3）、防水层（4）和包覆在所述防水层（4）外部的阻燃层（5），所述加强件（2）与所述无机包带层（3）间填充有柔性材料，所述防水层（4）和所述阻燃层（5）的贴合表面上交替嵌有高碳钢丝（7），所述阻燃层（5）外包覆有弹性尼龙树脂外护套（6）。
2.根据权利要求1所述的一种柔性防火绝缘电缆，其特征在于：所述高碳钢丝（7）部分位于所述防水层（4）和所述阻燃层（5）外部，三个所述高碳钢丝（7）紧密排列，所述防水层（4）和所述阻燃层（5）上交替排列的所述高碳钢丝（7）间相抵设置。
3.根据权利要求1所述的一种柔性防火绝缘电缆，其特征在于：所述FRP条（21）与所述缓冲体（22）间设置有连接胶体。
4.根据权利要求1所述的一种柔性防火绝缘电缆，其特征在于：所述无机包带层（3）为无碱玻璃丝编织层。
5.根据权利要求3所述的一种柔性防火绝缘电缆，其特征在于：所述无机包带层（3）外表面涂有防腐漆。
6.根据权利要求1所述的一种柔性防火绝缘电缆，其特征在于：所述防水层（4）和所述阻燃层（5）上的高碳钢丝（7）均匀分布。
7.根据权利要求1所述的一种柔性防火绝缘电缆，其特征在于：所述阻燃层（5）为粉云母带缠绕而成。
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