領從蹄式製動器
增勢與減勢作用右圖為領從蹄式製動器示意圖,設汽車前進時製動鼓旋轉方向(這稱為製動鼓正向旋轉)如圖中箭頭所示。沿箭頭方向看去,製動蹄1的支承點3在其前端,製動輪缸6suoshijiadecudonglizuoyongyuqihouduan,yinergaizhidongtizhangkaishidexuanzhuanfangxiangyuzhidonggudexuanzhuanfangxiangxiangtong。juyouzhezhongshuxingdezhidongtichengweilingti。yucixiangfan,zhidongti2的支承點4在zai後hou端duan,促cu動dong力li加jia於yu其qi前qian端duan,其qi張zhang開kai時shi的de旋xuan轉zhuan方fang向xiang與yu製zhi動dong鼓gu的de旋xuan轉zhuan方fang向xiang相xiang反fan。具ju有you這zhe種zhong屬shu性xing的de製zhi動dong蹄ti稱cheng為wei從cong蹄ti。當dang汽qi車che倒dao駛shi,即ji製zhi動dong鼓gu反fan向xiang旋xuan轉zhuan時shi,蹄ti1變成從蹄,而蹄2則變成領蹄。這種在製動鼓正向旋轉和反向旋轉時,都有一個領蹄和一個從蹄的製動器即稱為領從蹄式製動器。
在領從式製動器中,兩製動蹄對製動鼓作用力N1’和N2’的de大da小xiao是shi不bu相xiang等deng的de,因yin此ci在zai製zhi動dong過guo程cheng中zhong對dui製zhi動dong鼓gu產chan生sheng一yi個ge附fu加jia的de徑jing向xiang力li。凡fan製zhi動dong鼓gu所suo受shou來lai自zi二er蹄ti的de法fa向xiang力li不bu能neng互hu相xiang平ping衡heng的de製zhi動dong器qi稱cheng為wei非fei平ping衡heng式shi製zhi動dong器qi。
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