給料機負荷過大致自鎖減速機斷軸案例分析
給gei料liao機ji負fu荷he過guo大da致zhi自zi鎖suo減jian速su機ji斷duan軸zhou案an例li分fen析xi。在zai不bu改gai變bian給gei料liao槽cao高gao度du的de條tiao件jian下xia,將jiang給gei料liao槽cao底di部bu安an裝zhuang的de兩liang組zu滾gun輪lun軸zhou改gai為wei軸zhou承cheng配pei合he,這zhe樣yang既ji減jian輕qing了le給gei料liao槽cao的de阻zu力li又you起qi到dao了le自zi動dong調tiao心xin作zuo用yong,使shi軸zhou向xiang間jian隙xi得de到dao了le調tiao整zheng,在zai連lian杆gan帶dai動dong給gei料liao槽cao直zhi線xian往wang複fu運yun動dong時shi避bi免mian了le左zuo右you不bu同tong心xin抗kang勁jin。煉lian焦jiao車che間jian出chu產chan焦jiao碳tan時shi,首shou先xian需xu要yao將jiang煤mei送song至zhi煉lian焦jiao車che間jian的de搖yao動dong給gei料liao機ji,再zai由you搖yao動dong給gei料liao機ji將jiang煤mei運yun送song到dao搗dao固gu機ji進jin行xing搗dao固gu。給料機給料槽結構設計不公道。 綜上所述,恰是因為以上幾個原因造成了給料機負荷大,從而使直連電機減速機輸出軸長期過負荷運行而產生疲憊斷裂。首先我們分析一下搖動給料機自鎖減速器斷軸的原因:1.煉焦車間出產能力擴大後,給料機的下料口、給料槽尺寸比原設計加大,給煤量也比之前加大,但給料機傳動部門的電機、wolunjiansujidexinghaomeiyoubian,zaochengleyinweigeiliaojifuhejiada,erdianjihewolunjiansujiguofuhenengliqiangdubugoudetimu,danggeiliaojichangshijianchaofuheyunxingjiudaozhilegeiliaojizisuojiansujiduanzhouxianxiangdechansheng。geiliaojipianxinlun、連lian杆gan設she計ji不bu公gong道dao。針zhen對dui以yi上shang給gei料liao機ji偏pian心xin輪lun,連lian杆gan的de缺que點dian,對dui偏pian心xin輪lun的de厚hou度du和he直zhi徑jing長chang進jin行xing了le改gai造zao,將jiang偏pian心xin盤pan處chu厚hou度du和he直zhi徑jing減jian小xiao了le一yi半ban,從cong而er使shi偏pian心xin輪lun重zhong量liang減jian小xiao並bing在zai偏pian心xin輪lun上shang加jia裝zhuang了le保bao險xian銷xiao軸zhou,使shi得de給gei料liao機ji在zai運yun行xing阻zu力li大da時shi首shou先xian堵du截jie銷xiao軸zhou,從cong而er起qi到dao了le保bao護hu給gei料liao機ji自zi鎖suo減jian速su機ji輸shu出chu軸zhou的de作zuo用yong,使shi軸zhou向xiang間jian隙xi得de到dao了le調tiao整zheng。因yin為wei蝸wo輪lun減jian速su機ji輸shu出chu軸zhou是shi用yong來lai帶dai動dong給gei料liao槽cao進jin行xing給gei煤mei的de給gei料liao機ji偏pian心xin輪lun,通tong過guo對dui給gei料liao機ji實shi際ji運yun行xing情qing況kuang觀guan察cha,發fa現xian連lian杆gan設she計ji不bu太tai公gong道dao,給gei煤mei後hou給gei料liao槽cao運yun行xing時shi不bu夠gou輕qing便bian,經jing分fen析xi原yuan因yin是shi設she計ji偏pian心xin輪lun過guo大da而er且qie厚hou,輕qing易yi造zao成cheng連lian杆gan往wang複fu直zhi線xian運yun動dong時shi造zao成cheng錐齒輪減速機輸(shu)出(chu)軸(zhou)衝(chong)擊(ji)負(fu)荷(he)大(da),並(bing)且(qie)偏(pian)心(xin)輪(lun)與(yu)輸(shu)出(chu)軸(zhou)連(lian)接(jie)僅(jin)通(tong)過(guo)銷(xiao)子(zi)連(lian)接(jie),沒(mei)有(you)保(bao)險(xian)銷(xiao)軸(zhou),不(bu)能(neng)有(you)效(xiao)地(di)保(bao)護(hu)蝸(wo)輪(lun)減(jian)速(su)機(ji)的(de)輸(shu)出(chu)軸(zhou),同(tong)時(shi)連(lian)杆(gan)兩(liang)頭(tou)采(cai)用(yong)銷(xiao)軸(zhou)與(yu)軸(zhou)套(tao)連(lian)接(jie),易(yi)磨(mo)損(sun)、阻力大,從一定程度上也加大了給料槽運行時的阻力。

給料機用來給料的給料槽底部選用了12毫米鋼板、兩側選用了10毫米厚鋼板製作,周圍框架為100*100*10的角鐵,造成給料槽重量大,自重216千克,從而無形中加大了齒輪減速馬達的負荷。在不改變給料機強度和給煤量的條件下,對給料槽底部鋼板改用10毫(hao)米(mi)鋼(gang)板(ban)製(zhi)作(zuo),並(bing)且(qie)去(qu)除(chu)了(le)周(zhou)圍(wei)的(de)角(jiao)鋼(gang)框(kuang)架(jia),其(qi)次(ci)在(zai)不(bu)降(jiang)低(di)給(gei)料(liao)機(ji)強(qiang)度(du)的(de)情(qing)況(kuang)下(xia),將(jiang)給(gei)料(liao)槽(cao)後(hou)邊(bian)沿(yan)角(jiao)鋼(gang)與(yu)下(xia)料(liao)鬥(dou)連(lian)接(jie)處(chu)角(jiao)鋼(gang)全(quan)部(bu)割(ge)掉(diao),使(shi)給(gei)料(liao)槽(cao)自(zi)重(zhong)減(jian)輕(qing)了(le)近(jin)50qianke,congerbimianlegeiliaocaofujincunmeikukuaixianxiang,youxiaojiangdilegeiliaojideyunxingfuhe,jiangdiwolunjiansujiduanzhoudefengxian。zisuojiansujidezhuyaogongnengshijiangdianniantoushurudeliheniujuchuandidaoyaodonggeiliaoji,yinweiyaodonggeiliaojigongzuoshifuhejiaoda,youkehufanyingyoujitaiyaodonggeiliaojiwolunjiansujifanqiduanzhouxianxiang,geichuchandailailejiaodadeyingxiang,jingyougongchengshidefanfuyanjiujifenxi,zhongjizhaodaoleduanzhoudeyuanyin,duiyaodonggeiliaojidebumenjiegoujinxinggaizao,bimianzaiyihoudechuchanzhongfanqicileiguzhang。duigeiliaocaokunlunzhoujinxinggaizao。gaizaofangfa:對給料機的給料槽進行改造。對給料機偏心輪進行改造。 給gei料liao機ji後hou邊bian沿yan角jiao鋼gang與yu下xia料liao鬥dou連lian接jie處chu設she計ji不bu公gong道dao,輕qing易yi使shi振zhen動dong下xia的de餘yu煤mei落luo至zhi給gei料liao槽cao的de下xia方fang,從cong而er產chan生sheng存cun煤mei現xian象xiang,長chang時shi間jian使shi用yong一yi旦dan餘yu煤mei清qing理li不bu及ji時shi,便bian結jie成cheng硬ying煤mei塊kuai,造zao成cheng給gei料liao機ji前qian後hou行xing走zou時shi衝chong擊ji阻zu力li加jia大da,從cong而er加jia大da給gei料liao機ji自鎖減速機負荷,引發斷軸。http://www.baisuixuetai.com.cn/product/list-wolunwoganjiansuji-cn.html
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標簽:  自鎖減速機斷軸案例分析
