軌(gui)道(dao)(dao)式集(ji)裝(zhuang)(zhuang)(zhuang)箱門式起(qi)重(zhong)(zhong)機(ji)主(zhu)要用于(yu)集(ji)裝(zhuang)(zhuang)(zhuang)箱鐵路轉運(yun)(yun)(yun)場(chang)和(he)(he)大(da)(da)型集(ji)裝(zhuang)(zhuang)(zhuang)箱儲運(yun)(yun)(yun)場(chang)的(de)集(ji)裝(zhuang)(zhuang)(zhuang)箱裝(zhuang)(zhuang)(zhuang)卸(xie)、搬(ban)運(yun)(yun)(yun)和(he)(he)堆(dui)放 軌(gui)道(dao)(dao)式集(ji)裝(zhuang)(zhuang)(zhuang)箱門式起(qi)重(zhong)(zhong)機(ji)主(zhu)要有以下特點: ①起(qi)升(sheng)速(su)(su)(su)度(du)較(jiao)(jiao)(jiao)低而大(da)(da)車(che)運(yun)(yun)(yun)行(xing)(xing)(xing)速(su)(su)(su)度(du)較(jiao)(jiao)(jiao)高。根據(ju)集(ji)裝(zhuang)(zhuang)(zhuang)箱堆(dui)場(chang)的(de)需求(qiu),軌(gui)道(dao)(dao)式集(ji)裝(zhuang)(zhuang)(zhuang)箱門式起(qi)重(zhong)(zhong)機(ji)起(qi)升(sheng)高度(du)按(an)堆(dui)三(san)過四或(huo)堆(dui)四過五來(lai)確(que)定,由于(yu)起(qi)升(sheng)高度(du)不(bu)高,因此起(qi)升(sheng)速(su)(su)(su)度(du)相應(ying)地較(jiao)(jiao)(jiao)低。但集(ji)裝(zhuang)(zhuang)(zhuang)箱堆(dui)場(chang)一(yi)般沿(yan)運(yun)(yun)(yun)行(xing)(xing)(xing)軌(gui)道(dao)(dao)方向長度(du)較(jiao)(jiao)(jiao)長,為(wei)達(da)到一(yi)定的(de)生產率(lv),大(da)(da)車(che)運(yun)(yun)(yun)行(xing)(xing)(xing)速(su)(su)(su)度(du)較(jiao)(jiao)(jiao)高。 ②小(xiao)(xiao)車(che)運(yun)(yun)(yun)行(xing)(xing)(xing)速(su)(su)(su)度(du)可(ke)(ke)(ke)根據(ju)橋架跨(kua)度(du)和(he)(he)兩端外伸距確(que)定。當跨(kua)度(du)及懸臂長度(du)較(jiao)(jiao)(jiao)小(xiao)(xiao)時,小(xiao)(xiao)車(che)運(yun)(yun)(yun)行(xing)(xing)(xing)速(su)(su)(su)度(du)和(he)(he)生產率(lv)要求(qiu)相對可(ke)(ke)(ke)取較(jiao)(jiao)(jiao)小(xiao)(xiao)值。當跨(kua)度(du)較(jiao)(jiao)(jiao)大(da)(da),懸臂長度(du)也(ye)較(jiao)(jiao)(jiao)大(da)(da)時,小(xiao)(xiao)車(che)運(yun)(yun)(yun)行(xing)(xing)(xing)速(su)(su)(su)度(du)可(ke)(ke)(ke)相應(ying)提(ti)高以滿(man)(man)足生產率(lv)要求(qiu)。 ③當跨(kua)度(du)超過40m時,大(da)(da)車(che)高速(su)(su)(su)運(yun)(yun)(yun)行(xing)(xing)(xing)過程中,由于(yu)兩側門腿(tui)運(yun)(yun)(yun)行(xing)(xing)(xing)阻力(li)不(bu)同將會(hui)發生偏移,為(wei)此設置同步裝(zhuang)(zhuang)(zhuang)置,通過電氣(qi)控(kong)(kong)制(zhi)(zhi)系(xi)(xi)統(tong)保持兩側運(yun)(yun)(yun)行(xing)(xing)(xing)機(ji)構運(yun)(yun)(yun)行(xing)(xing)(xing)速(su)(su)(su)度(du)的(de)同步。 ④為(wei)滿(man)(man)足較(jiao)(jiao)(jiao)高的(de)使用要求(qiu),電氣(qi)驅動控(kong)(kong)制(zhi)(zhi)系(xi)(xi)統(tong)采(cai)用晶(jing)閘(zha)(zha)管直流(liu)或(huo)交流(liu)調(diao)(diao)(diao)速(su)(su)(su)驅動控(kong)(kong)制(zhi)(zhi)系(xi)(xi)統(tong),以達(da)到較(jiao)(jiao)(jiao)好的(de)調(diao)(diao)(diao)速(su)(su)(su)和(he)(he)控(kong)(kong)制(zhi)(zhi)性能。電氣(qi)控(kong)(kong)制(zhi)(zhi)系(xi)(xi)統(tong)也(ye)可(ke)(ke)(ke)采(cai)用常規交流(liu)渦流(liu)調(diao)(diao)(diao)速(su)(su)(su)控(kong)(kong)制(zhi)(zhi)或(huo)交流(liu)定子調(diao)(diao)(diao)壓(ya)調(diao)(diao)(diao)速(su)(su)(su)驅動控(kong)(kong)制(zhi)(zhi)系(xi)(xi)統(tong)。對于(yu)速(su)(su)(su)度(du)較(jiao)(jiao)(jiao)高的(de)大(da)(da)車(che)運(yun)(yun)(yun)行(xing)(xing)(xing)機(ji)構的(de)電氣(qi)控(kong)(kong)制(zhi)(zhi)系(xi)(xi)統(tong),通常用帶(dai)電氣(qi)制(zhi)(zhi)動的(de)晶(jing)閘(zha)(zha)管直流(liu)、交流(liu)調(diao)(diao)(diao)速(su)(su)(su)控(kong)(kong)制(zhi)(zhi)系(xi)(xi)統(tong)或(huo)交流(liu)定子調(diao)(diao)(diao)壓(ya)調(diao)(diao)(diao)速(su)(su)(su)控(kong)(kong)制(zhi)(zhi)系(xi)(xi)統(tong),避免采(cai)用常規電氣(qi)驅動系(xi)(xi)統(tong)中運(yun)(yun)(yun)行(xing)(xing)(xing)停車(che)時靠制(zhi)(zhi)動器(qi)制(zhi)(zhi)動的(de)方式,以免給整機(ji)帶(dai)來(lai)巨大(da)(da)沖擊。
軌道式集裝(zhuang)箱(xiang)(xiang)門式起(qi)重(zhong)機主(zhu)要用于(yu)集裝(zhuang)箱(xiang)(xiang)鐵路轉運場和(he)大型集裝(zhuang)箱(xiang)(xiang)儲(chu)運場的集裝(zhuang)箱(xiang)(xiang)裝(zhuang)卸、搬運和(he)堆放
軌(gui)道式(shi)集裝(zhuang)箱門式(shi)起重(zhong)機主(zhu)要(yao)有以(yi)下特點:
①起升速(su)度較(jiao)(jiao)低而大車(che)運(yun)行速(su)度較(jiao)(jiao)高(gao)。根據集(ji)(ji)裝箱堆場的(de)需求,軌道(dao)式集(ji)(ji)裝箱門式起重機起升高(gao)度按堆三過四或堆四過五來確(que)定(ding),由于起升高(gao)度不高(gao),因此起升速(su)度相應(ying)地較(jiao)(jiao)低。但集(ji)(ji)裝箱堆場一(yi)般沿(yan)運(yun)行軌道(dao)方向長度較(jiao)(jiao)長,為達到(dao)一(yi)定(ding)的(de)生產率,大車(che)運(yun)行速(su)度較(jiao)(jiao)高(gao)。
②小車(che)運(yun)行(xing)速度(du)(du)可(ke)根據橋架跨度(du)(du)和兩端外(wai)伸距確定。當跨度(du)(du)及(ji)懸臂長(chang)度(du)(du)較小時,小車(che)運(yun)行(xing)速度(du)(du)和生(sheng)(sheng)產率要求(qiu)相(xiang)對可(ke)取較小值。當跨度(du)(du)較大,懸臂長(chang)度(du)(du)也(ye)較大時,小車(che)運(yun)行(xing)速度(du)(du)可(ke)相(xiang)應提高以滿(man)足生(sheng)(sheng)產率要求(qiu)。
③當跨度(du)超過40m時(shi),大車高速(su)運(yun)行(xing)(xing)過程中,由于(yu)兩側門腿運(yun)行(xing)(xing)阻力(li)不同將會發生偏移,為此設置同步(bu)裝置,通(tong)過電氣控制(zhi)系(xi)統保持兩側運(yun)行(xing)(xing)機構運(yun)行(xing)(xing)速(su)度(du)的(de)同步(bu)。
④為(wei)滿足較高(gao)的使用要求,電(dian)氣(qi)驅(qu)(qu)動(dong)控(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)(tong)(tong)(tong)采用晶閘管直流(liu)或交(jiao)(jiao)流(liu)調(diao)(diao)速(su)(su)驅(qu)(qu)動(dong)控(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)(tong)(tong)(tong),以達到(dao)較好的調(diao)(diao)速(su)(su)和控(kong)制(zhi)(zhi)(zhi)性能。電(dian)氣(qi)控(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)(tong)(tong)(tong)也可采用常規交(jiao)(jiao)流(liu)渦流(liu)調(diao)(diao)速(su)(su)控(kong)制(zhi)(zhi)(zhi)或交(jiao)(jiao)流(liu)定(ding)子(zi)調(diao)(diao)壓調(diao)(diao)速(su)(su)驅(qu)(qu)動(dong)控(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)(tong)(tong)(tong)。對(dui)于速(su)(su)度較高(gao)的大(da)車(che)運(yun)行機構的電(dian)氣(qi)控(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)(tong)(tong)(tong),通常用帶電(dian)氣(qi)制(zhi)(zhi)(zhi)動(dong)的晶閘管直流(liu)、交(jiao)(jiao)流(liu)調(diao)(diao)速(su)(su)控(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)(tong)(tong)(tong)或交(jiao)(jiao)流(liu)定(ding)子(zi)調(diao)(diao)壓調(diao)(diao)速(su)(su)控(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)(tong)(tong)(tong),避免(mian)采用常規電(dian)氣(qi)驅(qu)(qu)動(dong)系(xi)統(tong)(tong)(tong)(tong)中運(yun)行停車(che)時靠制(zhi)(zhi)(zhi)動(dong)器制(zhi)(zhi)(zhi)動(dong)的方(fang)式(shi),以免(mian)給整機帶來巨(ju)大(da)沖擊。
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