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                    聯(lián)軸器有哪些種類?各有何特點?
                    作者:咸陽超越離合器有限公司:2021/7/31 17:02:31

                    聯(lián)軸器有哪些種類?各有何特點?

                    汽輪發(fā)電機組的聯(lián)軸器通常有三種形式。即剛性聯(lián)軸器、撓性聯(lián)軸器、半撓性聯(lián)軸器三種。

                    (1)剛性聯(lián)軸器:優(yōu)點是結(jié)構(gòu)簡單、尺寸小,工作時不需潤滑,沒有噪音,剛度和強度較高,能傳遞較大的力矩。缺點是傳遞振動和軸向位移,安裝時找中心要求高。


                    (2)撓性聯(lián)軸器:又分為齒套式和蛇形彈簧式兩種。齒套式聯(lián)軸器用套微的內(nèi)齒分別與兩個齒輪嚙合,使兩個轉(zhuǎn)子聯(lián)接起來。它的優(yōu)點是有一定的活動性,可以消除和減弱振動的傳遞,對轉(zhuǎn)子中心要求不很高,不傳遞軸位移,但必須在運轉(zhuǎn)時通入潤滑劑,檢修和安裝要求質(zhì)量高。蛇形彈簧管聯(lián)軸器是在兩個被連接的對輪的外緣銑出的類似漸開線的牙齒上,沿園周嵌入若干彈性剛帶制成的蛇形彈簧,把兩個對輪聯(lián)接起來。優(yōu)點是:能避免傳遞振動,又允許轉(zhuǎn)子有較大的中心偏差和軸向位移。但結(jié)構(gòu)復雜、傳遞力矩小,運行中需要潤滑。

                    (3)半撓性聯(lián)軸器:它是在兩個對輪之間用螺栓連接一個波形套筒組成。這種聯(lián)軸器之泛用于在汽輪機與發(fā)電機的轉(zhuǎn)子聯(lián)接,因波紋筒有一定的彈性,可以吸收部分振動和軸向位移,又允許被聯(lián)接兩軸間有少許偏心。

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