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減震器(Absorber) ,shiyonglaiyizhidanhuangxizhenhoufandanshidezhendangjilaizilumiandechongji。guangfanyongyuqiche,weijiasuchejiayucheshenzhendongdeshuaijian,yigaishanqichedexingshipingshunxing。zaijingguobupinglumianshi,suiranxizhendanhuangkeyiguolvlumiandezhendong,dandanhuangzishenhaihuiyouwangfuyundong,erjianzhenqijiushiyonglaiyizhizhezhongdanhuangtiaoyuede。
xuanjiaxitongzhongyouyudanxingyuanjianshouchongjichanshengzhendong,weigaishanqichexingshipingshunxing,xuanjiazhongyudanxingyuanjianbingliananzhuangjianzhenqi,weishuaijianzhendong,qichexuanjiaxitongzhongcaiyongjianzhenqiduoshiyelijianzhenqi,qigongzuoyuanlishidangchejia(或車身)hecheqiaojianzhendongerchuxianxiangduiyundongshi,jianzhenqineidehuosaishangxiayidong,jianzhenqiqiangneideyouyebianfanfudicongyigeqiangjingguobutongdekongxiliurulingyigeqiangnei。cishikongbiyuyouyejiandemocaheyouyefenzijiandeneimocaduizhendongxingchengzunili,shiqichezhendongnengliangzhuanhuaweiyouyereneng,zaiyoujianzhenqixishousanfadaodaqizhong。zaiyouyetongdaojiemianhedengyinsububianshi,zunilisuichejiayucheqiao(或車輪)之間的相對運動速度增減,並與油液粘度有關。
減jian震zhen器qi與yu彈dan性xing元yuan件jian承cheng擔dan著zhe緩huan衝chong擊ji和he減jian震zhen的de任ren務wu,阻zu尼ni力li過guo大da,將jiang使shi懸xuan架jia彈dan性xing變bian壞huai,甚shen至zhi使shi減jian震zhen器qi連lian接jie件jian損sun壞huai。因yin而er要yao調tiao節jie彈dan性xing元yuan件jian和he減jian震zhen器qi這zhe一yi矛mao盾dun。
(1) 在壓縮行程(車橋和車架相互靠近),減震器阻尼力較小,以便充分發揮彈性元件的彈性作用,緩和衝擊。這時,彈性元件起主要作用。
(2) 在懸架伸張行程中(車橋和車架相互遠離),減震器阻尼力應大,迅速減震。
(3) 當車橋(或車輪)與車橋間的相對速度過大時,要求減震器能自動加大液流量,使阻尼力始終保持在一定限度之內,以避免承受過大的衝擊載荷。
在zai汽qi車che懸xuan架jia係xi統tong中zhong廣guang泛fan采cai用yong的de是shi筒tong式shi減jian震zhen器qi,且qie在zai壓ya縮suo和he伸shen張zhang行xing程cheng中zhong均jun能neng起qi減jian震zhen作zuo用yong叫jiao雙shuang向xiang作zuo用yong式shi減jian震zhen器qi,還hai有you采cai用yong新xin式shi減jian震zhen器qi,它ta包bao括kuo充chong氣qi式shi減jian震zhen器qi和he阻zu力li可ke調tiao式shi減jian震zhen器qi。