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碎石(shi)化層(ceng)下層(ceng)的(de)板(ban)體結構(gou)具有一(yi)定的(de)隔溫濕作用，降低(di)了濕度對半(ban)(ban)剛性(xing)(xing)基(ji)層(ceng)的(de)影響，使半(ban)(ban)剛性(xing)(xing)基(ji)層(ceng)的(de)脹縮減(jian)小，為道路(lu)基(ji)層(ceng)的(de)穩定性(xing)(xing)提供了條(tiao)件；碎石(shi)化層(ceng)上(shang)層(ceng)的(de)透水(shui)(shui)性(xing)(xing)較好，舊(jiu)水(shui)(shui)混凝土路(lu)面的(de)改造(zao)完成后，碎石(shi)化層(ceng)能(neng)起到(dao)排水(shui)(shui)基(ji)層(ceng)作用，滲(shen)入路(lu)面內(nei)部的(de)雨水(shui)(shui)，可從(cong)安置(zhi)的(de)路(lu)面邊(bian)(bian)緣(yuan)排水(shui)(shui)系(xi)統中(zhong)排出，也可從(cong)碎石(shi)化層(ceng)直接排向路(lu)堤(di)邊(bian)(bian)坡（針對路(lu)堤(di)段），從(cong)而消(xiao)除了半(ban)(ban)剛性(xing)(xing)基(ji)層(ceng)的(de)沖刷和唧泥問題。

破(po)(po)碎(sui)機(ji)的(de)(de)維(wei)護(hu)不(bu)(bu)僅需要(yao)潤(run)滑油，還需要(yao)所有機(ji)械設(she)備(bei)的(de)(de)維(wei)護(hu)，特別是(shi)(shi)礦(kuang)(kuang)山(shan)(shan)機(ji)械設(she)備(bei)。礦(kuang)(kuang)山(shan)(shan)機(ji)械設(she)備(bei)工(gong)作(zuo)環(huan)(huan)境(jing)惡(e)劣，機(ji)械磨(mo)損嚴(yan)重。設(she)備(bei)選(xuan)擇潤(run)滑油時(shi)，由(you)于不(bu)(bu)同(tong)設(she)備(bei)的(de)(de)運行(xing)環(huan)(huan)境(jing)不(bu)(bu)同(tong)，對(dui)潤(run)滑油性能(neng)和質量的(de)(de)要(yao)求(qiu)也不(bu)(bu)同(tong)。例如破(po)(po)碎(sui)機(ji)等設(she)備(bei)是(shi)(shi)礦(kuang)(kuang)山(shan)(shan)機(ji)械中常用的(de)(de)設(she)備(bei)，廣泛應用于大型砂(sha)石廠、石材(cai)廠、水泥廠等，多數工(gong)作(zuo)環(huan)(huan)境(jing)為露(lu)天作(zuo)業，結構簡(jian)單，維(wei)護(hu)方便，節能(neng)環(huan)(huan)保，無需任何附(fu)加(jia)裝置等優點，但由(you)于工(gong)作(zuo)環(huan)(huan)境(jing)惡(e)劣，日常維(wei)護(hu)和定期維(wei)護(hu)十分重要(yao)。

鄂(e)(e)(e)(e)式(shi)破(po)(po)碎(sui)機(ji)的結構主要有(you)機(ji)架、偏心軸、大皮帶(dai)(dai)輪(lun)、飛輪(lun)、動(dong)(dong)(dong)鄂(e)(e)(e)(e)、側護(hu)板(ban)、肘板(ban)、肘板(ban)后座、調(diao)隙螺(luo)桿、復位彈(dan)簧、固定鄂(e)(e)(e)(e)板(ban)與(yu)活動(dong)(dong)(dong)鄂(e)(e)(e)(e)板(ban)等(deng)組成，其中肘板(ban)還起到保險作(zuo)用(yong)。該系列鄂(e)(e)(e)(e)式(shi)破(po)(po)碎(sui)機(ji)破(po)(po)碎(sui)方式(shi)為曲動(dong)(dong)(dong)擠壓(ya)型，電動(dong)(dong)(dong)機(ji)驅(qu)動(dong)(dong)(dong)皮帶(dai)(dai)和皮帶(dai)(dai)輪(lun)，通過偏心軸使動(dong)(dong)(dong)鄂(e)(e)(e)(e)上下(xia)(xia)(xia)運動(dong)(dong)(dong)，當(dang)動(dong)(dong)(dong)鄂(e)(e)(e)(e)上升時(shi)(shi)(shi)肘板(ban)和動(dong)(dong)(dong)鄂(e)(e)(e)(e)間(jian)夾角(jiao)變(bian)大，從(cong)而(er)推動(dong)(dong)(dong)動(dong)(dong)(dong)鄂(e)(e)(e)(e)板(ban)向定鄂(e)(e)(e)(e)板(ban)接近，與(yu)此同(tong)時(shi)(shi)(shi)物(wu)料(liao)被(bei)擠壓(ya)、搓、碾等(deng)多(duo)重破(po)(po)碎(sui)；當(dang)動(dong)(dong)(dong)鄂(e)(e)(e)(e)下(xia)(xia)(xia)行時(shi)(shi)(shi)，肘板(ban)和動(dong)(dong)(dong)鄂(e)(e)(e)(e)間(jian)夾角(jiao)變(bian)小，動(dong)(dong)(dong)鄂(e)(e)(e)(e)板(ban)在拉(la)桿、彈(dan)簧的作(zuo)用(yong)下(xia)(xia)(xia)離開定鄂(e)(e)(e)(e)板(ban)，此時(shi)(shi)(shi)已破(po)(po)碎(sui)物(wu)料(liao)從(cong)破(po)(po)碎(sui)腔下(xia)(xia)(xia)口排出，隨著(zhu)電動(dong)(dong)(dong)機(ji)連(lian)續轉(zhuan)動(dong)(dong)(dong)破(po)(po)碎(sui)機(ji)動(dong)(dong)(dong)鄂(e)(e)(e)(e)作(zuo)周(zhou)期性的壓(ya)碎(sui)和排料(liao)，實現批量生產。