黄瓜视频二维码

　　軌道式(shi)(shi)(shi)集(ji)裝(zhuang)(zhuang)箱門式(shi)(shi)(shi)起(qi)(qi)重(zhong)機(ji)主(zhu)要(yao)(yao)用(yong)(yong)于(yu)(yu)集(ji)裝(zhuang)(zhuang)箱鐵路轉(zhuan)運(yun)(yun)(yun)(yun)(yun)(yun)場和(he)(he)大型集(ji)裝(zhuang)(zhuang)箱儲運(yun)(yun)(yun)(yun)(yun)(yun)場的集(ji)裝(zhuang)(zhuang)箱裝(zhuang)(zhuang)卸(xie)、搬運(yun)(yun)(yun)(yun)(yun)(yun)和(he)(he)堆(dui)(dui)(dui)放(fang)　　軌道式(shi)(shi)(shi)集(ji)裝(zhuang)(zhuang)箱門式(shi)(shi)(shi)起(qi)(qi)重(zhong)機(ji)主(zhu)要(yao)(yao)有以下特(te)點：　　①起(qi)(qi)升(sheng)速(su)(su)(su)度(du)(du)(du)(du)較(jiao)(jiao)低而大車(che)(che)運(yun)(yun)(yun)(yun)(yun)(yun)行(xing)速(su)(su)(su)度(du)(du)(du)(du)較(jiao)(jiao)高(gao)(gao)。根據(ju)集(ji)裝(zhuang)(zhuang)箱堆(dui)(dui)(dui)場的需求(qiu)(qiu)，軌道式(shi)(shi)(shi)集(ji)裝(zhuang)(zhuang)箱門式(shi)(shi)(shi)起(qi)(qi)重(zhong)機(ji)起(qi)(qi)升(sheng)高(gao)(gao)度(du)(du)(du)(du)按堆(dui)(dui)(dui)三過(guo)(guo)(guo)四(si)或(huo)堆(dui)(dui)(dui)四(si)過(guo)(guo)(guo)五(wu)來(lai)確(que)定(ding)(ding)，由(you)于(yu)(yu)起(qi)(qi)升(sheng)高(gao)(gao)度(du)(du)(du)(du)不高(gao)(gao)，因此(ci)起(qi)(qi)升(sheng)速(su)(su)(su)度(du)(du)(du)(du)相(xiang)應(ying)地較(jiao)(jiao)低。但集(ji)裝(zhuang)(zhuang)箱堆(dui)(dui)(dui)場一般沿(yan)運(yun)(yun)(yun)(yun)(yun)(yun)行(xing)軌道方向(xiang)長(chang)(chang)度(du)(du)(du)(du)較(jiao)(jiao)長(chang)(chang)，為(wei)達到一定(ding)(ding)的生(sheng)產(chan)率(lv)，大車(che)(che)運(yun)(yun)(yun)(yun)(yun)(yun)行(xing)速(su)(su)(su)度(du)(du)(du)(du)較(jiao)(jiao)高(gao)(gao)。　　②小(xiao)(xiao)車(che)(che)運(yun)(yun)(yun)(yun)(yun)(yun)行(xing)速(su)(su)(su)度(du)(du)(du)(du)可根據(ju)橋架跨(kua)(kua)度(du)(du)(du)(du)和(he)(he)兩端外伸距確(que)定(ding)(ding)。當跨(kua)(kua)度(du)(du)(du)(du)及懸臂長(chang)(chang)度(du)(du)(du)(du)較(jiao)(jiao)小(xiao)(xiao)時(shi)，小(xiao)(xiao)車(che)(che)運(yun)(yun)(yun)(yun)(yun)(yun)行(xing)速(su)(su)(su)度(du)(du)(du)(du)和(he)(he)生(sheng)產(chan)率(lv)要(yao)(yao)求(qiu)(qiu)相(xiang)對(dui)可取(qu)較(jiao)(jiao)小(xiao)(xiao)值。當跨(kua)(kua)度(du)(du)(du)(du)較(jiao)(jiao)大，懸臂長(chang)(chang)度(du)(du)(du)(du)也較(jiao)(jiao)大時(shi)，小(xiao)(xiao)車(che)(che)運(yun)(yun)(yun)(yun)(yun)(yun)行(xing)速(su)(su)(su)度(du)(du)(du)(du)可相(xiang)應(ying)提高(gao)(gao)以滿足(zu)生(sheng)產(chan)率(lv)要(yao)(yao)求(qiu)(qiu)。　　③當跨(kua)(kua)度(du)(du)(du)(du)超過(guo)(guo)(guo)40m時(shi)，大車(che)(che)高(gao)(gao)速(su)(su)(su)運(yun)(yun)(yun)(yun)(yun)(yun)行(xing)過(guo)(guo)(guo)程中，由(you)于(yu)(yu)兩側門腿運(yun)(yun)(yun)(yun)(yun)(yun)行(xing)阻力不同(tong)將會(hui)發生(sheng)偏移，為(wei)此(ci)設置(zhi)同(tong)步裝(zhuang)(zhuang)置(zhi)，通(tong)過(guo)(guo)(guo)電氣控制系統(tong)(tong)保(bao)持兩側運(yun)(yun)(yun)(yun)(yun)(yun)行(xing)機(ji)構運(yun)(yun)(yun)(yun)(yun)(yun)行(xing)速(su)(su)(su)度(du)(du)(du)(du)的同(tong)步。　　④為(wei)滿足(zu)較(jiao)(jiao)高(gao)(gao)的使用(yong)(yong)要(yao)(yao)求(qiu)(qiu)，電氣驅(qu)動(dong)(dong)控制系統(tong)(tong)采(cai)用(yong)(yong)晶(jing)閘(zha)管直(zhi)流或(huo)交(jiao)(jiao)流調(diao)速(su)(su)(su)驅(qu)動(dong)(dong)控制系統(tong)(tong)，以達到較(jiao)(jiao)好(hao)的調(diao)速(su)(su)(su)和(he)(he)控制性(xing)能(neng)。電氣控制系統(tong)(tong)也可采(cai)用(yong)(yong)常(chang)規(gui)交(jiao)(jiao)流渦(wo)流調(diao)速(su)(su)(su)控制或(huo)交(jiao)(jiao)流定(ding)(ding)子(zi)(zi)調(diao)壓調(diao)速(su)(su)(su)驅(qu)動(dong)(dong)控制系統(tong)(tong)。對(dui)于(yu)(yu)速(su)(su)(su)度(du)(du)(du)(du)較(jiao)(jiao)高(gao)(gao)的大車(che)(che)運(yun)(yun)(yun)(yun)(yun)(yun)行(xing)機(ji)構的電氣控制系統(tong)(tong)，通(tong)常(chang)用(yong)(yong)帶電氣制動(dong)(dong)的晶(jing)閘(zha)管直(zhi)流、交(jiao)(jiao)流調(diao)速(su)(su)(su)控制系統(tong)(tong)或(huo)交(jiao)(jiao)流定(ding)(ding)子(zi)(zi)調(diao)壓調(diao)速(su)(su)(su)控制系統(tong)(tong)，避免采(cai)用(yong)(yong)常(chang)規(gui)電氣驅(qu)動(dong)(dong)系統(tong)(tong)中運(yun)(yun)(yun)(yun)(yun)(yun)行(xing)停車(che)(che)時(shi)靠制動(dong)(dong)器制動(dong)(dong)的方式(shi)(shi)(shi),以免給整機(ji)帶來(lai)巨大沖(chong)擊。

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