塊式製動器由製動瓦塊、製動臂、zhidonglunhesongzhaqizucheng。changbazhidonglunzuoweilianzhouqideyigebantianzhuangzaijigoudezhuandongzhoushang,duichengbuzhidezhidongbiyujijiagudingbufenjiaolian,neicefuyoumocacailiaodelianggezhidongwakuaifenbiehuodongjiaojiezailiangzhidongbishang,zaisongzhaqishangzhalidezuoyongxia,chengduidezhidongwakuaizaijingxiangbaojinzhidonglunerchanshengzhidongliju。
以短行程電磁鐵塊式製動器為例(見圖6-22),shuomingkuaishizhidongqidegongzuoyuanli。zaijietongdianyuanshi,diancisongzhaqidetiexinxiyinxiantieyaxiangtuigan,tuigantuidongzuozhidongbixiangzuobai,zhudanhuangbeiyasuo。tongshi,jiechuya力的輔助彈簧將右製動臂向右推,兩製動臂帶動製動瓦塊與製動輪分離,機構可以運動。當切斷電源時,鐵心失去磁性,對銜鐵的吸引力消除,因而解除銜鐵對推杆的壓力,在主彈簧張力的作用下,兩製動臂一起向內收擺,帶動製動瓦塊抱緊製動輪產生製動力矩;tongshi,fuzhudanhuangbeiyasuo。zhidonglijuyouzhudanhuanglijueding,fuzhudanhuangbaozhengsongjianjianxi。kuaishizhidongqidezhidongxingnengzaihendachengdushangshiyousongzhaqidexingnengjuedingde。
塊式製動器的特點是構造簡單,安裝方便,成對瓦塊產生的壓力平衡,使製動輪軸不受彎曲載荷作用。在起重機中得到廣泛使用。
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