這種兩用夾軌器雖然采用了
電動機,但若電源出了故障,就不能夾緊,而必須改用手輪夾緊,因此,仍屬於
非自動類型的。
它由電動機、圓錐齒輪、螺杆、jiaqiandengzucheng。dangdiandongjizhuandongshiluogandaidongluomuyasuodanhuang,jiaguiqijiajin,bingtongguodianqiliansuotingzhiyunxingjigou。baotaxingdanhuangdezuoyongzaiyubaojiaqiandechili,yifangsongchi。ruruosongchijiaqian,yingshiluomutuidaoyidingweizhi,chudongzhongdianxianweikaiguanhou,jigoufangketongdianyunxing,qidaobaohuzuoyong。liangyongjiaguiqisuirancaiyonglediandongji,danruodianyuanchuleguzhang,jiubunengjiajin,erbixugaiyongshoulunjiajin,yinci,rengshuzidongleixingde。zheleijiaguiqizaianzhuangheshiyongzhongyingzhuyixialieshixiang。
①檢查各活動鉸點應無生繡和卡住現象,經常加油潤滑各鉸點。
②電動手動兩用夾軌器安裝時,應選用手輪
1把夾軌器的鉗口夾緊在軌道兩側,檢查下限位開關應
正好打開(否則調整安全尺),調好後再用電動機;在鉗口
夾緊的同時,電動機應斷電(指示燈亮)。如果鉗口已夾緊而電動機未斷電,就可能燒毀電動機;fanzhi,ruoqiankouweijiajinerdiandongjitiqianduandian,zejiaguiqibuqizuoyong,huizaochengyanzhongshigu。xiaxianweikaiguantiaohaohou,yongshoulunjiangqiankoutuokai,bingtidaoguidinggaodu;zaitiaozhengshangxianweikaiguan,shiqizaizhegeweizhizhenghaodakai。shiyongdiandongjiaguiqishi,yingjingchangjianzhadianyuanshifouyouguzhang,ruguoguoduoyilaidiandongjigongzuo,youkenengdaozhituoguishigu。
③注意檢查鉗臂、連杆、鉗口、彈簧等零件,不應有裂紋、變形、破壞等缺陷,否則及時更換。
④經常清除絲杆上麵的粉塵等雜物,防止堵塞影響轉動。
⑤jingchangjianzhaguidaoduantoudelianggecemian,buyingyoupengzhuangbahen,jiaguiqiankazaibahenshanghuishixianweikaiguanshiling,zaochengshaohuidiandongjihuojiabujinguidaodengguzhang。zidongzuoyongdefangfengjiaguidaozidongzuoyongdefangfengjiaguidaoqizaiqizhongjibuyunxinghuoduandianshinengzidongjiajinguidao,zhuyaoleixingyoudanhuangshi、重(zhong)錘(chui)式(shi)和(he)自(zi)鎖(suo)夾(jia)板(ban)式(shi)等(deng)幾(ji)種(zhong)。彈(dan)簧(huang)式(shi)自(zi)動(dong)夾(jia)軌(gui)道(dao)器(qi),它(ta)是(shi)利(li)用(yong)彈(dan)簧(huang)壓(ya)迫(po)連(lian)杆(gan),使(shi)鉗(qian)口(kou)夾(jia)緊(jin)鋼(gang)軌(gui)的(de)。鬆(song)閘(zha)時(shi),開(kai)動(dong)卷(juan)揚(yang)裝(zhuang)置(zhi),通(tong)過(guo)鋼(gang)絲(si)繩(sheng)滑(hua)輪(lun)組(zu)使(shi)彈(dan)簧(huang)壓(ya)縮(suo),帶(dai)動(dong)鉗(qian)臂(bi)脫(tuo)開(kai)軌(gui)道(dao)。這(zhe)種(zhong)夾(jia)軌(gui)器(qi)常(chang)常(chang)同(tong)風(feng)速(su)報(bao)警(jing)器(qi)相(xiang)聯(lian)鎖(suo),當(dang)風(feng)力(li)超(chao)過(guo)規(gui)定(ding)的(de)值(zhi)(一般6級風,沿海7級風)shi,fengsujifachujingbaobingtongguodianqiliansuoqieduanqizhongjidianyuan,jiaguiqizidongdongzuojiajinganggui。zidongzuoyongdefangfengjiafengguiqibuxuyaowaijiedianyuanjikejiajinganggui,anquankekao,dangouzaofuza、體積和自重較大,通常安裝在大型起重機上。
對於在露天工作的起重機,應設置夾軌器、maodingzhuangzhihuotiexie,erqiebixunengdulichengshoufeigongzuozhuangtaixiazuidafenglishibuzhiyubeichuidao。jiaguiqizaifangfengzhuangzhizhongyingyongzuiweiguangfan,keyiyongyugezhongleixingdeqizhongji。ankongzhifangshikeyifenwei:手動夾軌器、電動夾軌器、手電兩用夾軌器等。
在露天工作的起重機,當風速超過60m/s(相當於10-11級風),必bi須xu采cai用yong錨mao固gu裝zhuang置zhi。當dang風feng速su超chao過guo規gui定ding值zhi時shi,把ba起qi重zhong機ji開kai到dao設she有you錨mao固gu裝zhuang置zhi的de地di段duan,采cai用yong錨mao柱zhu或huo錨mao杆gan把ba起qi重zhong機ji與yu錨mao定ding裝zhuang置zhi固gu定ding起qi來lai。防fang風feng鐵tie鞋xie也ye分fen為wei手shou動dong和he電dian動dong兩liang種zhong。它ta將jiang鐵tie鞋xie和he錨mao鏈lian錨mao固gu功gong能neng結jie合he到dao一yi起qi,通tong過guo一yi個ge自zi鎖suo功gong能neng裝zhuang置zhi將jiang夾jia軌gui裝zhuang置zhi固gu定ding到dao軌gui道dao上shang,以yi防fang止zhi鐵tie鞋xie和he軌gui道dao之zhi間jian產chan生sheng滑hua動dong。
1 、夾軌器的防爬作用一般應由其本身構件的重力的自鎖條件或彈簧的作用來實
現,而不應隻靠驅動裝置的作用來實現防爬。
2、起重機運行機構製動器的作用應比防風裝置動作時間略微提前,即防風製動時間——夾軌器動作時間應滯後於運行機構的製動時間,這樣才能消除起重機可能產生的劇烈顫動。
3、防(fang)風(feng)裝(zhuang)置(zhi)應(ying)能(neng)保(bao)證(zheng)起(qi)重(zhong)機(ji)在(zai)非(fei)工(gong)作(zuo)狀(zhuang)態(tai)時(shi),在(zai)風(feng)力(li)作(zuo)用(yong)下(xia)不(bu)被(bei)大(da)風(feng)吹(chui)跑(pao)。在(zai)確(que)定(ding)防(fang)風(feng)裝(zhuang)置(zhi)的(de)防(fang)滑(hua)力(li)時(shi),應(ying)忽(hu)略(lve)製(zhi)動(dong)器(qi)和(he)車(che)輪(lun)輪(lun)緣(yuan)對(dui)鋼(gang)軌(gui)側(ce)麵(mian)附(fu)加(jia)阻(zu)力(li)的(de)影(ying)響(xiang)。
防fang風feng防fang滑hua安an全quan裝zhuang置zhi這zhe是shi防fang止zhi露lu天tian工gong作zuo的de起qi重zhong機ji在zai大da風feng作zuo用yong下xia沿yan軌gui道dao發fa生sheng滑hua行xing的de安an全quan裝zhuang置zhi室shi外wai工gong作zuo的de軌gui道dao式shi起qi重zhong機ji均jun應ying安an裝zhuang。其qi安an全quan功gong能neng是shi,當dang起qi重zhong機ji遭zao遇yu非fei工gong作zuo狀zhuang態tai下xia的de最zui大da風feng
力時,起重機不被吹動,防止起重機在軌道端頭傾覆。常見防風裝置有夾軌器、
錨定裝置和鐵鞋。
(1)夾軌器:taguangfanyingyongyugeleilutianguidaoqizhongji,qigongzuoyuanlishiliyongjiaqianjiajinguidaotoubudelianggecemian,tongguojiehemiandejiajinmocalijiangqizhongjigudingzaiguidaoshang,shiqizhongjibunenghuayi。jiaguiqideshejiyaoqiushi,jiaguiqidejiajinlixudayuqizhongjidehuaxingli,yibaozhengzaidangdizuidafenglizuoyongxia,qizhongjibaochibudong;夾軌鉗的閉合應靠裝置構件自身或彈簧的作用,而不應隻靠動力驅動裝置的驅動作用,以防止在動力供應中斷時,夾軌器不起作用;動力驅動的夾軌動作應滯後於運行機構製動器的動作,以消除起重機製動時可能產生的劇烈顫動。
(2)錨定裝置:它借助插銷或插板裝置、liantiaohuodingganjiangqizhongjiyuguidaojichuxianglianchengyiti,yongyufeigongzuozhuangtaitedafengbaoshiqizhongjideguding。youyumaodingzhuangzhizhinengshezaiguidaodemougetedingweizhi,qizhongjiyaoyunxingdaogaiweizhicainengmaoding,tabushiyujinjiqingkuangxiadejishifangfeng。
(3)鐵鞋:它是一種楔形裝置,使用時將楔形舌尖插入車輪踏麵和軌道頂麵之
間,鐵鞋的斜坡構成對車輪滑動的阻力。



