A new design to prevent polyethylene granules dryer timing drive belt from running off center

By designing a hinged swing arm and elastic limiting structure on the dryer's mounting components, the problem of timing drive belt misalignment in polyethylene particle dryers was solved, enabling long-term, efficient, and stable operation of the equipment and avoiding equipment failures and downtime caused by misalignment.

CN122407753APending Publication Date: 2026-07-17SHENHUA XINJIANG CHEM CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENHUA XINJIANG CHEM CO LTD
Filing Date
2026-04-23
Publication Date
2026-07-17

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Abstract

本发明涉及聚乙烯颗粒干燥器技术领域,且公开了一种防止聚乙烯颗粒干燥器正时传动皮带运行中偏移的新设计,包括四角开设有通孔的安装件,安装件外表面铰接有摆臂,内部上侧开设有凹槽,凹槽内两侧均插设有弹性件;摆臂底端装设有连接架,连接架内插装有装配轴,装配轴外套设有滚动轴承及带轮缘的张紧导向轮;凹槽内插设有与弹性件、摆臂相连接的装配销,安装件表面装设有两组限位销。该设计可实现在皮带发生松垮时,摆臂会带动张紧导向轮下摆,进而对皮带产生持续的张紧力,且皮带持续自适应张紧与导向防偏,干预皮带偏移问题,保障驱动电机与干燥器的传动同步性,提升干燥器运行的平稳性与可靠性,规避非计划停工联锁事故。
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