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发明公开
CN109210160A 轮系张紧装置及轮系 有权

轮系张紧装置及轮系
摘要：
本发明提出一种轮系张紧装置及轮系。该轮系张紧装置包括：第一转动部件，其用于经由皮带与第二转动部件传动连接，从而由第一转动部件、皮带和第二转动部件构成轮系或轮系的一部分；以及弹性部件，弹性部件安装于支架和第一转动部件之间，弹性部件对第一转动部件施力，趋于使第一转动部件沿使皮带张紧的方向远离第二转动部件地移动，弹性部件包括弹簧，弹簧的弹力方向与第一转动部件的转动中心和第二转动部件的转动中心的连线方向大致平行。可以通过较小的弹性部件对第一转动部件施力，通过较小的力就容易使第一转动部件沿使皮带张紧的方向远离第二传动部件地移动，能够使皮带张紧明显，使得轮系张紧装置的结构简化、重量减轻、成本降低。
摘要（英）：

The invention provides a gear train tensioning device and a gear train. The gear train tensioning device comprises: a first rotating member for driving connection with a second rotating member via a belt so that a gear train or a part of the gear train is formed by the first rotating member, the belt and the second rotating member; and an elastic member disposed between a bracket and the first rotating member, the elastic member urging the first rotating member to move the first rotating member away from the second rotating member in a direction of tensioning the belt; the elastic member includes a spring, and the spring force direction of the spring is substantially parallel to the connecting direction of the rotation center of the first rotating member and the rotation center of the second rotating member. The first rotating member can be forced by a small elastic member, and the first rotating member can be easily moved away from the second transmission member in the direction of belt tension by a small force, so that the belt tension is obvious, and the structure of the gear train tension device is simplified, the weight is reduced, and the cost is reduced.

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