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成都礦用絞車天輪現貨充足 萬豐礦山機械制造有限公司

天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)是(shi)礦井(jing)(jing)立井(jing)(jing)井(jing)(jing)架上(shang)(shang)方(fang)調節鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)運動方(fang)向的(de)(de)(de)定滑(hua)輪(lun)(lun)。作(zuo)(zuo)用是(shi)撐起連接(jie)(jie)機卷筒和容(rong)器(qi)的(de)(de)(de)鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)，并引(yin)導鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)轉向。 天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)有游動天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)、井(jing)(jing)上(shang)(shang)固定天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)、鑿(zao)井(jing)(jing)及井(jing)(jing)下(xia)固定天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)三(san)種(zhong)(zhong)，與天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)配套的(de)(de)(de)鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)品種(zhong)(zhong)包括磷(lin)化涂層鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)、鍍鋅鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)或光面(mian)鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)。 天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)安裝在(zai)井(jing)(jing)架上(shang)(shang)，作(zuo)(zuo)支撐、引(yin)導鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)轉向之(zhi)用，根(gen)據(ju)煤炭工(gong)業(ye)部標準，天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)分(fen)(fen)為(wei)(wei)(wei)(wei)(wei)下(xia)列(lie)(lie)三(san)種(zhong)(zhong)：井(jing)(jing)上(shang)(shang)固定天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)，鑿(zao)井(jing)(jing)及井(jing)(jing)下(xia)固定天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)，游動天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)。其結(jie)構(gou)型式也(ye)分(fen)(fen)為(wei)(wei)(wei)(wei)(wei)三(san)種(zhong)(zhong)類型：直(zhi)徑(jing)為(wei)(wei)(wei)(wei)(wei)3500毫(hao)米時采(cai)(cai)用模壓焊接(jie)(jie)結(jie)構(gou)。當(dang)直(zhi)徑(jing)Dt≤3000毫(hao)米時，采(cai)(cai)用整體(ti)鑄(zhu)鋼(gang)(gang)結(jie)構(gou)，直(zhi)徑(jing)為(wei)(wei)(wei)(wei)(wei)4000毫(hao)米時，采(cai)(cai)用模壓鉚接(jie)(jie)結(jie)構(gou)。天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)輪(lun)(lun)緣(yuan)的(de)(de)(de)結(jie)構(gou)對(dui)(dui)鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)使(shi)用壽命(ming)有一(yi)(yi)定影響。因為(wei)(wei)(wei)(wei)(wei)在(zai)機起動和停(ting)止時，由天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)的(de)(de)(de)慣性，將引(yin)起輪(lun)(lun)緣(yuan)與鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)問的(de)(de)(de)相(xiang)對(dui)(dui)滑(hua)動，增(zeng)(zeng)加(jia)鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)磨損，從這(zhe)(zhe)個意義上(shang)(shang)講(jiang)，應盡量減輕輪(lun)(lun)緣(yuan)的(de)(de)(de)重量。此外，輪(lun)(lun)緣(yuan)的(de)(de)(de)材(cai)質(zhi)和繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)溝的(de)(de)(de)半徑(jing)，對(dui)(dui)鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)使(shi)用壽命(ming)也(ye)有直(zhi)接(jie)(jie)影響。一(yi)(yi)般繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)溝半徑(jing)要(yao)稍大于(yu)鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)半徑(jing)。繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)溝開角在(zai)40～60°之(zhi)間。國內還有相(xiang)當(dang)數(shu)量的(de)(de)(de)礦井(jing)(jing)采(cai)(cai)用帶(dai)襯(chen)的(de)(de)(de)鑄(zhu)鐵天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)，利用木(mu)材(cai)、舊(jiu)皮(pi)帶(dai)以及塑料等(deng)作(zuo)(zuo)為(wei)(wei)(wei)(wei)(wei)襯(chen)墊。采(cai)(cai)用這(zhe)(zhe)些軟(ruan)性襯(chen)墊的(de)(de)(de)目的(de)(de)(de)是(shi)為(wei)(wei)(wei)(wei)(wei)了(le)增(zeng)(zeng)加(jia)鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)使(shi)用壽命(ming)。但是(shi)，使(shi)用經驗證(zheng)明，這(zhe)(zhe)種(zhong)(zhong)辦法也(ye)不盡理(li)想，這(zhe)(zhe)是(shi)因為(wei)(wei)(wei)(wei)(wei)：襯(chen)墊磨損很快(kuai)，幾個月就要(yao)更換一(yi)(yi)次，嚴重時，十幾天(tian)(tian)(tian)(tian)(tian)(tian)(tian)就要(yao)更換。增(zeng)(zeng)加(jia)了(le)輪(lun)(lun)緣(yuan)的(de)(de)(de)重量，由于(yu)慣性的(de)(de)(de)加(jia)大，在(zai)起動和停(ting)車時，反(fan)而加(jia)劇了(le)鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)相(xiang)對(dui)(dui)于(yu)天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)的(de)(de)(de)滑(hua)動，增(zeng)(zeng)加(jia)了(le)天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)的(de)(de)(de)維修工(gong)作(zuo)(zuo)量，襯(chen)塊(kuai)安裝、維護不當(dang)時襯(chen)塊(kuai)從輪(lun)(lun)緣(yuan)中(zhong)掉(diao)出，還會引(yin)起事(shi)故(gu)。天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)參(can)數(shu)天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)參(can)數(shu)(2張(zhang))井(jing)(jing)上(shang)(shang)固定天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)和井(jing)(jing)下(xia)固定天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)的(de)(de)(de)基(ji)本(ben)參(can)數(shu)列(lie)(lie)于(yu)右表中(zhong)。天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)直(zhi)徑(jing)的(de)(de)(de)選(xuan)擇(ze)，根(gen)據(ju)《煤礦規程(cheng)》規定，對(dui)(dui)于(yu)地面(mian)設備，若鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)與天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)的(de)(de)(de)圍(wei)抱(bao)角大于(yu)90°時，Dt≥80d，Dt≥1200δ；若圍(wei)抱(bao)角小于(yu)90°，則Dt≥60d；Dt≥1200δ。對(dui)(dui)于(yu)井(jing)(jing)下(xia)設備，若圍(wei)抱(bao)角大于(yu)90°，則Dt≥60d，Dt≥900δ；若圍(wei)抱(bao)角小于(yu)90°，則Dt≥40d；Dt≥900δ。（Dt－天(tian)(tian)(tian)(tian)(tian)(tian)(tian)輪(lun)(lun)直(zhi)徑(jing)，d－鋼(gang)(gang)絲(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)直(zhi)徑(jing)，δ－粗鋼(gang)(gang)絲(si)(si)直(zhi)徑(jing)）。

礦用固(gu)定(ding)繩(sheng)(sheng)輪(lun)(lun)(lun)(lun)(lun)(lun)導繩(sheng)(sheng)輪(lun)(lun)(lun)(lun)(lun)(lun) 煤礦用鑿井懸吊(diao)天(tian)(tian)輪(lun)(lun)(lun)(lun)(lun)(lun)立井固(gu)定(ding)天(tian)(tian)輪(lun)(lun)(lun)(lun)(lun)(lun)現貨礦用游動天(tian)(tian)輪(lun)(lun)(lun)(lun)(lun)(lun) 1米固(gu)定(ding)天(tian)(tian)輪(lun)(lun)(lun)(lun)(lun)(lun) 懸吊(diao)天(tian)(tian)輪(lun)(lun)(lun)(lun)(lun)(lun)廠家定(ding)做天(tian)(tian)輪(lun)(lun)(lun)(lun)(lun)(lun)又(you)叫 繩(sheng)(sheng)輪(lun)(lun)(lun)(lun)(lun)(lun) 是設置(zhi)在井架或(huo)暗井頂部，承(cheng)托(tuo)鋼絲(si)(si)繩(sheng)(sheng)的(de)(de)導向(xiang)輪(lun)(lun)(lun)(lun)(lun)(lun)。礦井立井井架上方調(diao)節鋼絲(si)(si)繩(sheng)(sheng)運(yun)動方向(xiang)的(de)(de)定(ding)滑輪(lun)(lun)(lun)(lun)(lun)(lun)他承(cheng)載著罐籠、吊(diao)桶或(huo)者立井箕(ji)斗(dou)的(de)(de)重量，也常(chang)常(chang)被(bei)看作礦井的(de)(de)標志。按《煤礦規程》，設備的(de)(de)天(tian)(tian)輪(lun)(lun)(lun)(lun)(lun)(lun)的(de)(de)直徑與鋼絲(si)(si)繩(sheng)(sheng)直徑之比值應符(fu)合：井上裝置(zhi)的(de)(de)滾筒和圍抱角大(da)于90°的(de)(de)天(tian)(tian)輪(lun)(lun)(lun)(lun)(lun)(lun)，不得(de)小(xiao)(xiao)于80；圍抱角小(xiao)(xiao)于90°的(de)(de)天(tian)(tian)輪(lun)(lun)(lun)(lun)(lun)(lun)，不得(de)小(xiao)(xiao)于60；井下圍抱角大(da)于90°的(de)(de)天(tian)(tian)輪(lun)(lun)(lun)(lun)(lun)(lun)，不得(de)小(xiao)(xiao)于60；圍抱角小(xiao)(xiao)于90°的(de)(de)天(tian)(tian)輪(lun)(lun)(lun)(lun)(lun)(lun)不得(de)小(xiao)(xiao)于40。