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如何理解侧向防火卷帘门呢
2016-12-28 13:51:51
侧向防火卷帘门是由卷轴、主导轴、帘板、传动链、导轨电机及传动机构等组成。
The utility model relates to a side fireproof rolling shutter door which is composed of a reel, a main shaft, a curtain plate, a transmission chain, a guide rail motor and a transmission mechanism.
侧向防火卷帘门平时处于收卷状态,火灾发生时,电机受或温、烟感作用启动,铅垂向放置的帘卷即沿水平放置的导轨展开,它能适应各种不同形状和跨度的建筑物防火、隔烟要求。它自身耐火性强,运行平稳、可靠性高。其特征在于:传动控制机构由定向离合器、链条(套筒滚子链)、中间轴、卷帘专用电机、设有变频调速器的电控箱及齿轮组成;所述两套定向离合器以定向转动相反的方式,通过其棘轮分别固装在卷轴和主导轴上;中间轴下设有两个平面齿轮和一个伞形齿轮,该伞形齿轮与电机上的伞形齿轮构成改变转轴轴向使与卷轴及主导轴平行的齿轮组,二个平面齿轮通过链条分别与装在卷轴和主导轴上的定向离合器中的链轮联结。
Tfj usually in rolling state, when the fire occurs, or by the motor temperature and smoke effects start, vertical curtain placed along a horizontally placed guide rail, it can adapt to a variety of different shapes and the span of the building fire, smoke requirements. The utility model has the advantages of strong fire resistance, stable operation and high reliability. It is characterized in that the transmission control mechanism by directional clutch, chain (roller chain), electric control box and a gear shaft, special motor, shutter with variable frequency speed; the two sets of directional clutch with directional rotation in the opposite way, through the ratchet wheel are respectively fixed on the reel and main shaft; the interte shaft has two a plane gear and a bevel gear, a bevel gear and the bevel gear on the motor shaft and the axial change a reel and leading group of parallel shaft gear, two plane gear through the chain and chain wheel coupling directional clutch respectively mounted on scrolls and the leading axis in.
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