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空气压缩机的运转由皮带轮通过键,驱动曲轴旋转,如果轴和轮的联接键配合稍松,就要产生噪音,甚至造成事故。这样配键是检修空气压缩机的重要关键。北京开关厂将1—10/7型卧式单缸10立方米空压机的联接单键改为组合键,既能保证传动精度,又便于拆装检修,经长期使用,效果良好。组合键的结构如图所示。装配时先把主键装入轴槽中,再把皮带轮装上,然后把副键轻轻打入;主、副键配合的侧面,制成1:100的锥度,可与键槽取得较好的配合。组装完后再将曲轴端盖装上。
Air compressor operation by the pulley through the key to drive the crankshaft rotation, if the shaft and the wheel coupling key with a little loose, it is necessary to produce noise, or even cause an accident. This key is the key to overhaul air compressor. Beijing Switchgear will be 1-10 / 7 horizontal single cylinder 10 cubic meters of air compressor connected to the single key combination, both to ensure the transmission accuracy, but also easy disassembly overhaul, long-term use, the effect is good. The structure of the key combination as shown. When assembling, put the primary key into the shaft slot first, and then put the pulley on it, and then gently press the secondary key into the main and secondary keys to make a 1: 100 taper, which can be well matched with the key slot . After assembly, the crankshaft end cap is installed.