棒形绝缘子，用于高压输电线路，可适用于不同污秽等级地区，具有重量轻、体积小、不易破碎、高抗拉强度，污秽性能强的特点。
结果表明，棒形悬式瓷绝缘子重量轻，抗老化性能好，耐污性能较好，拉伸强度高，不可击穿，使用维护简便。
The results show that the long rod insulator features light weight, better anti-ageing performance, better anti-pollution behaviour, high tensile strength, puncture-proof and easy maintenance.
最后指出如何进一步提高棒形悬式瓷绝缘子的耐污性能，使其达到或超过目前复合绝缘子的耐污水平是摆在各制造厂家面前的一大课题。
Finally, the author points out that how to improve the anti-pollution performance of porcelain long rod insulator and make it catch or surpass that of composite insulator is the key...
分析了棒形悬式复合绝缘子所采用的内楔式、外楔式及压接式三种端部附件连接结构的受力情况，发现三种端部附件和芯棒连接均是通过过盈配合来实现的；
The stress status of end fittings connection of inner wedge, outer wedge and clamp construction is analyzed. The connection of fittings with core achieved with tight fit.
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