為wei了le確que保bao起qi重zhong作zuo業ye安an全quan可ke靠kao,起qi重zhong機ji裝zhuang有you較jiao完wan善shan的de安an全quan裝zhuang置zhi,以yi便bian在zai意yi外wai的de情qing況kuang下xia,起qi到dao保bao護hu機ji件jian或huo提ti醒xing操cao作zuo人ren員yuan注zhu意yi,從cong而er起qi到dao安an全quan保bao護hu作zuo用yong。
1.液壓係統中各溢流閥:可抑製回路中的異常高壓,以防止液壓油泵及馬達的損壞,並防止處於過載狀態。
2.吊臂變幅安全裝置:dangbuceshigufasheng,diaobibianfuyouganghuiluzhongdegaoyaruanguanhuoyouguanbaoliehuoqieduanshi,yeyahuiluzhongdepinghengfajiuqizuoyong,suobilaiziyougangxiaqiangdegongzuoyou,shidiaobibuzhixiadie,congerquebaozuoyedeanquanxing。
3.吊臂伸縮安全裝置:當dang不bu測ce事shi故gu發fa生sheng,吊diao臂bi伸shen縮suo油you缸gang回hui路lu中zhong的de高gao壓ya軟ruan管guan或huo油you管guan爆bao裂lie或huo切qie斷duan時shi,液ye壓ya回hui路lu中zhong的de平ping衡heng閥fa就jiu起qi作zuo用yong,鎖suo閉bi來lai自zi油you缸gang下xia腔qiang的de工gong作zuo油you,使shi吊diao會hui自zi己ji縮suo回hui,從cong而er確que保bao作zuo業ye的de安an全quan性xing。
4.高度限位裝置:吊鉤起升到規定的高度後,碰觸限位重錘,打開行程開關,“過繞”指標燈即亮,同時切斷吊鉤起升、吊臂伸出、吊臂伏到等動作的操作而確保安全 。這時隻要操縱吊鉤下降,吊臂縮回或吊臂仰起(即向安全方操作)dengshoubingshi,shixianweizhongchuijiechuyueshu,caozuojihuifuzhengchang。zaiteshudechanghe,rurengxuyaozuoweiliangdeguoraocaozuo,keanxiayibiaoheshangdeshifanganniu,cishixianweidezuoyongbianjiechu,dancishidecaozuobixushifenjinshenxiaoxin,yifangfashengshigu。
5.支腿鎖定裝置:當(dang)不(bu)測(ce)事(shi)故(gu)發(fa)生(sheng),通(tong)往(wang)支(zhi)腿(tui)垂(chui)直(zhi)油(you)缸(gang)的(de)高(gao)壓(ya)軟(ruan)管(guan)或(huo)油(you)管(guan)破(po)裂(lie)或(huo)切(qie)割(ge)時(shi),液(ye)壓(ya)係(xi)統(tong)中(zhong)的(de)雙(shuang)向(xiang)液(ye)壓(ya)鎖(suo)能(neng)封(feng)鎖(suo)支(zhi)腿(tui)封(feng)鎖(suo)油(you)缸(gang)兩(liang)腔(qiang)的(de)壓(ya)力(li)油(you),使(shi)支(zhi)腿(tui)不(bu)縮(suo)或(huo)甩(shuai)出(chu),從(cong)而(er)確(que)保(bao)起(qi)重(zhong)作(zuo)業(ye)的(de)安(an)全(quan)性(xing)。
6.起重量指示器:起重量指示器設置在基本臂的合側方(即操縱室的右側麵),操作者坐在操縱室內便能清楚地觀察到,能準確地指示出吊臂的仰角及對應工況下起重機允許的額定起重量。
7.起重特性表:設she置zhi在zai操cao縱zong室shi內nei前qian側ce下xia牆qiang板ban上shang,該gai表biao列lie出chu了le各ge種zhong臂bi長chang和he各ge種zhong工gong作zuo幅fu度du下xia的de額e定ding起qi重zhong量liang和he起qi重zhong高gao度du,以yi便bian操cao作zuo時shi查zha閱yue。起qi重zhong作zuo業ye時shi,切qie不bu可ke超chao過guo表biao中zhong規gui定ding的de數shu值zhi。
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