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:當dang不bu測ce事shi故gu發fa生sheng,吊diao臂bi變bian幅fu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臂bi不bu致zhi下xia跌die,從cong而er確que保bao作zuo業ye的de安an全quan性xing。
3. 吊臂伸縮安全裝置:dangbuceshigufasheng,diaobishensuoyouganghuiluzhongdegaoyaruanguanhuoyouguanbaoliehuoqieduanshi,yeyahuiluzhongdepinghengfajiuqizuoyong,suobilaiziyougangxiaqiangdegongzuoyou,shidiaohuizijisuohui,congerquebaozuoyedeanquanxing。
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:dangbuceshigufasheng,tongwangzhituichuizhiyougangdegaoyaruanguanhuoyouguanpoliehuoqiegeshi,yeyaxitongzhongdeshuangxiangyeyasuonengfengsuozhituifengsuoyougangliangqiangdeyaliyou,shizhituibusuohuoshuaichu,congerquebaoqizhongzuoyedeanquanxing。
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:shezhizaicaozongshineiqiancexiaqiangbanshang,gaibiaoliechulegezhongbichanghegezhonggongzuofuduxiadeedingqizhongliangheqizhonggaodu,yibiancaozuoshizhayue。qizhongzuoyeshi,qiebukechaoguobiaozhongguidingdeshuzhi。
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