吊車安全裝置
(1)起重量指示器(角度盤,也叫重量限位器)
zhuangzaibigangenbujiejinjiashiweizhidejiaoduzhishi,tasuizhebiganyangjiaoerbianhua,fanyingchubiganduidimiandejiajiao,zhidaolebiganbutongweizhideyangjiao,genjuqizhongjidexingnengbiaohexingnengquxian,jiukezhizaimouyangjiaoshidefuduzhi、起重量、起升高度等各項參考數值。
(2)過卷揚限製器(也稱超高限位器)
裝zhuang在zai臂bi杆gan端duan部bu滑hua輪lun組zu上shang限xian製zhi鉤gou頭tou起qi升sheng高gao度du,防fang止zhi發fa生sheng過guo卷juan揚yang事shi故gu的de安an全quan裝zhuang置zhi。它ta保bao證zheng吊diao鉤gou起qi升sheng到dao極ji限xian位wei置zhi時shi,能neng自zi動dong發fa出chu報bao警jing信xin號hao或huo切qie斷duan動dong力li源yuan停ting止zhi起qi升sheng,以yi防fang過guo卷juan。
(3)力矩限製器
力(li)矩(ju)限(xian)製(zhi)器(qi)是(shi)當(dang)荷(he)載(zai)力(li)矩(ju)達(da)到(dao)額(e)定(ding)起(qi)重(zhong)力(li)矩(ju)時(shi)就(jiu)自(zi)動(dong)切(qie)斷(duan)起(qi)升(sheng)或(huo)變(bian)幅(fu)動(dong)力(li)源(yuan),並(bing)發(fa)出(chu)禁(jin)止(zhi)性(xing)報(bao)警(jing)信(xin)號(hao)的(de)安(an)全(quan)裝(zhuang)置(zhi),是(shi)防(fang)止(zhi)超(chao)載(zai)造(zao)成(cheng)起(qi)重(zhong)機(ji)失(shi)穩(wen)的(de)限(xian)製(zhi)器(qi)。
(4)防臂杆後仰裝置和防背杆支架
防臂杆後仰裝置和防背杆支架,是當臂杆起升到最大額定仰角時,不再提升的安全裝置,它防止臂杆仰角過大時造成後傾。
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