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渠道閘門又稱鋼制閘門,不銹鋼閘門,主要(yao)材料為不銹鋼或碳鋼噴涂(tu)環(huan)氧樹脂涂(tu)料,橡膠軟密封(feng),具(ju)有(you)重量(liang)輕(qing),操作靈活,防腐(fu)蝕(shi),不生(sheng)銹,安(an)裝維修方便,密封(feng)可靠(kao)等(deng)功能,廣泛應用于自(zi)來(lai)水廠(chang)、污水廠(chang)、排(pai)灌、排(pai)澇、石油、化工(gong)、冶金、環(huan)保、電力、塘堰、河流(liu)等(deng)工(gong)程,作為截止、調節流(liu)量(liang)和(he)控制水位之用。1、...
2024-01-11電(dian)(dian)動(dong)(dong)眼鏡閥(fa)主要由(you)左(zuo)(zuo)閥(fa)體、右(you)閥(fa)體、扇形(xing)閘(zha)板(ban)、不銹(xiu)鋼(gang)波紋管、電(dian)(dian)動(dong)(dong)驅動(dong)(dong)裝(zhuang)置、電(dian)(dian)動(dong)(dong)夾(jia)(jia)緊(jin)裝(zhuang)置等零件(jian)組成。閥(fa)體采用三點式鎖(suo)緊(jin)扇形(xing)閘(zha)板(ban)結構。密封(feng)部位采用不銹(xiu)鋼(gang)與(yu)橡膠密封(feng)圈(quan),密封(feng)性能好,使(shi)用壽(shou)命(ming)長,密封(feng)圈(quan)設(she)在(zai)閘(zha)板(ban)上,便于維護時(shi)更(geng)換密封(feng)圈(quan)。電(dian)(dian)動(dong)(dong)操(cao)作(zuo)(zuo)、工(gong)作(zuo)(zuo)平(ping)穩、啟動(dong)(dong)靈活、動(dong)(dong)作(zuo)(zuo)可靠。夾(jia)(jia)緊(jin)機構采用絲(si)桿螺母(mu)進行(xing)夾(jia)(jia)緊(jin),自鎖(suo)性好。電(dian)(dian)動(dong)(dong)扇形(xing)眼鏡閥(fa)設(she)有不銹(xiu)鋼(gang)波紋管,具有伸縮性強、使(shi)用壽(shou)命(ming)長等特(te)點。電(dian)(dian)動(dong)(dong)眼鏡閥(fa)安(an)(an)裝(zhuang)使(shi)用說明本閥(fa)安(an)(an)裝(zhuang)完畢(bi)后,應做支架固定閥(fa)門底座,在(zai)動(dong)(dong)作(zuo)(zuo)時(shi)閥(fa)門受(shou)力(li)于支架上。首先啟動(dong)(dong)電(dian)(dian)動(dong)(dong)夾(jia)(jia)緊(jin)裝(zhuang)置把左(zuo)(zuo)右(you)閥(fa)...
近幾年,隨著我國(guo)國(guo)民(min)經(jing)濟的(de)發(fa)展,閘(zha)閥(fa)(fa)等閥(fa)(fa)門行業作(zuo)為機械裝(zhuang)備制造(zao)(zao)業的(de)一(yi)(yi)個(ge)重(zhong)要環節,有著非(fei)常重(zhong)要的(de)作(zuo)用(yong)(yong)。閘(zha)閥(fa)(fa)不僅在(zai)工業領域應用(yong)(yong)廣泛(fan),其(qi)在(zai)民(min)用(yong)(yong)領域的(de)影(ying)響力(li)(li)也(ye)在(zai)逐漸擴大。配水閘(zha)閥(fa)(fa)的(de)啟閉件是(shi)閘(zha)板,閘(zha)板的(de)運(yun)動方向與流體方向相垂直(zhi),閘(zha)閥(fa)(fa)只(zhi)能(neng)作(zuo)全開和(he)全關,不能(neng)作(zuo)調節和(he)節流。閘(zha)閥(fa)(fa)流體阻力(li)(li)小,適用(yong)(yong)的(de)壓力(li)(li)、溫度范圍大,介(jie)質(zhi)流動方向不受限制,密封性能(neng)良好。安(an)裝(zhuang)前,必須(xu)仔(zi)細核(he)對閘(zha)閥(fa)(fa)的(de)各(ge)個(ge)標準(zhun)(zhun),通徑是(shi)否符合使(shi)用(yong)(yong)要求,消(xiao)除運(yun)輸過程(cheng)所造(zao)(zao)成的(de)缺(que)陷(xian),并消(xiao)除閘(zha)閥(fa)(fa)的(de)污垢,做(zuo)好安(an)裝(zhuang)前的(de)準(zhun)(zhun)備,一(yi)(yi)切準(zhun)(zhun)備就緒。安(an)裝(zhuang)時,可將...
手動(dong)啟閉(bi)(bi)機用(yong)于各(ge)類大(da)型給排水(shui)、水(shui)利(li)水(shui)電工(gong)程。用(yong)于控(kong)制各(ge)類大(da)、中型鑄鐵閘門及鋼制閘門的升降(jiang)達到(dao)(dao)開啟與(yu)關閉(bi)(bi)的目的。手動(dong)啟閉(bi)(bi)機安裝與(yu)調試:1.安裝前,一定(ding)要(yao)檢(jian)查(cha)各(ge)零件是(shi)否良好,潤滑(hua)油是(shi)否上(shang)足(zu),螺(luo)栓有(you)無松(song)動(dong),與(yu)其有(you)關技術數(shu)據是(shi)否相符。2.安裝時,一定(ding)要(yao)保持(chi)基(ji)(ji)礎布置(zhi)平面(mian)(mian)水(shui)平180°;啟閉(bi)(bi)機底座與(yu)基(ji)(ji)礎布置(zhi)平面(mian)(mian)的接觸面(mian)(mian)積要(yao)達到(dao)(dao)90%以上(shang);螺(luo)桿軸線(xian)要(yao)垂直于閘臺上(shang)橫梁的水(shui)平面(mian)(mian);要(yao)與(yu)閘板吊(diao)耳孔吻(wen)合垂直,避免(mian)螺(luo)桿傾斜,造成局(ju)部受(shou)力而損壞機件。3.安裝后,一定(ding)要(yao)作試運行,一作無載荷(he)試驗(yan),即讓螺(luo)桿作兩...
調(diao)(diao)(diao)流調(diao)(diao)(diao)壓閥(fa)在市(shi)政(zheng)排水(shui)系(xi)統(tong)中的應用(yong)(yong)市(shi)政(zheng)排水(shui)系(xi)統(tong)的任(ren)務,體制和(he)組成(cheng)本閥(fa)主要(yao)用(yong)(yong)在水(shui)廠、電廠、引水(shui)工程等(deng)介(jie)質為水(shui)的管(guan)網系(xi)統(tong),起調(diao)(diao)(diao)節(jie)管(guan)道(dao)介(jie)質流量(liang)(liang)、流態以(yi)及調(diao)(diao)(diao)節(jie)管(guan)網壓力的作用(yong)(yong)。調(diao)(diao)(diao)流調(diao)(diao)(diao)壓閥(fa)主要(yao)用(yong)(yong)在水(shui)廠、電廠、引水(shui)工程等(deng)介(jie)質為水(shui)的管(guan)網系(xi)統(tong),起調(diao)(diao)(diao)節(jie)管(guan)道(dao)介(jie)質流量(liang)(liang)、流態以(yi)及調(diao)(diao)(diao)節(jie)管(guan)網壓力的作用(yong)(yong)。調(diao)(diao)(diao)流調(diao)(diao)(diao)壓閥(fa)特(te)(te)點(dian):1、該閥(fa)優于傳統(tong)流量(liang)(liang)調(diao)(diao)(diao)節(jie)閥(fa)的特(te)(te)點(dian)就在于它的結構(gou)設計和(he)材料選(xuan)用(yong)(yong)使其不怕(pa)污水(shui)堵塞滑道(dao),不怕(pa)結垢現象,不易卡阻。驅(qu)動(dong)裝置明顯(xian)減小。2、該閥(fa)可(ke)自動(dong)調(diao)(diao)(diao)節(jie)預先設定(ding)的管(guan)道(dao)介(jie)質參(can)數(shu)值,使之在一定(ding)精度內保持(chi)恒定(ding)...
液(ye)動(dong)(dong)(dong)均壓(ya)(ya)放(fang)散(san)(san)(san)閥(fa)(fa)(fa)按開(kai)(kai)閉形式(shi)(shi)可(ke)分(fen)為(wei)垂直開(kai)(kai)啟式(shi)(shi)、外開(kai)(kai)式(shi)(shi)、內開(kai)(kai)式(shi)(shi)等,按驅(qu)動(dong)(dong)(dong)方式(shi)(shi)可(ke)分(fen)為(wei)電(dian)機驅(qu)動(dong)(dong)(dong)與(yu)(yu)(yu)液(ye)壓(ya)(ya)驅(qu)動(dong)(dong)(dong)等,按密(mi)(mi)封(feng)方式(shi)(shi)可(ke)分(fen)為(wei)重(zhong)錘(chui)重(zhong)力(li)密(mi)(mi)封(feng)與(yu)(yu)(yu)彈簧(huang)壓(ya)(ya)力(li)密(mi)(mi)封(feng)等。而彈簧(huang)壓(ya)(ya)力(li)密(mi)(mi)封(feng)液(ye)壓(ya)(ya)驅(qu)動(dong)(dong)(dong)式(shi)(shi)煤(mei)氣(qi)放(fang)散(san)(san)(san)閥(fa)(fa)(fa),在保持了放(fang)散(san)(san)(san)閥(fa)(fa)(fa)的性(xing)能要(yao)求下(xia),還克(ke)服了過去電(dian)動(dong)(dong)(dong)式(shi)(shi)放(fang)散(san)(san)(san)閥(fa)(fa)(fa)在布(bu)置與(yu)(yu)(yu)占地(di)方面的缺點(dian)。目前,該類放(fang)散(san)(san)(san)閥(fa)(fa)(fa)在國內高爐上的應(ying)用(yong)有逐(zhu)漸成為(wei)主(zhu)流的趨勢,有必要(yao)探討一(yi)下(xia)這種閥(fa)(fa)(fa)的結構(gou)與(yu)(yu)(yu)運(yun)動(dong)(dong)(dong)特征。液(ye)動(dong)(dong)(dong)均壓(ya)(ya)放(fang)散(san)(san)(san)閥(fa)(fa)(fa)采(cai)用(yong)液(ye)壓(ya)(ya)傳動(dong)(dong)(dong)方式(shi)(shi),適用(yong)于(yu)高爐的放(fang)散(san)(san)(san)閥(fa)(fa)(fa)系列管路,作放(fang)散(san)(san)(san)閥(fa)(fa)(fa)密(mi)(mi)閉之(zhi)用(yong),其啟閉位置由電(dian)信號控制(zhi)反饋。適用(yong)于(yu)建材(cai)冶(ye)金化工電(dian)站等...
氣(qi)動圓(yuan)頂(ding)閥主要應(ying)用(yong)于電力(li)、冶(ye)金、化(hua)工、食品(pin)(pin)、制藥等領域氣(qi)力(li)輸送(song)系統(tong)中(zhong)的(de)干灰、干粉物料(liao)的(de)進料(liao)口(kou)、出料(liao)口(kou)、排氣(qi)口(kou)、助吹口(kou)、排堵口(kou)及管道(dao)切換(huan)的(de)開(kai)關控制。氣(qi)動圓(yuan)頂(ding)閥產品(pin)(pin)特點::1)啟(qi)(qi)閉靈活、閥芯無沖刷。圓(yuan)頂(ding)閥在(zai)開(kai)關過程(cheng)中(zhong),閥芯與特制的(de)橡膠(jiao)密封圈保(bao)持有0.8~1.5mm的(de)間隙,閥芯動作時與密封圈無接(jie)觸、運(yun)行阻力(li)小、轉動靈活、可靠,密封圈的(de)使用(yong)壽命長;閥門開(kai)啟(qi)(qi)時,料(liao)口(kou)全(quan)流(liu)通無阻擋,避免了物料(liao)對閥芯的(de)直接(jie)沖刷。2)密封嚴(yan)密、性能優良(liang)。圓(yuan)頂(ding)閥的(de)密封采(cai)用(yong)特制可充氣(qi)式橡膠(jiao)密封圈,密封性好。當圓(yuan)頂(ding)...
浮控調流閥(fa)(fa)(fa)的(de)(de)結構(gou)形式(shi)與一(yi)(yi)(yi)般(ban)閥(fa)(fa)(fa)門(men)大不(bu)相同,是(shi)(shi)(shi)(shi)一(yi)(yi)(yi)種新(xin)型的(de)(de)閥(fa)(fa)(fa)門(men),是(shi)(shi)(shi)(shi)一(yi)(yi)(yi)種特殊形式(shi)的(de)(de)截(jie)斷閥(fa)(fa)(fa),它的(de)(de)啟閉(bi)件(jian)是(shi)(shi)(shi)(shi)一(yi)(yi)(yi)塊用(yong)軟質材料制成的(de)(de)隔(ge)(ge)膜(mo),把閥(fa)(fa)(fa)體(ti)內(nei)腔與閥(fa)(fa)(fa)蓋內(nei)腔及驅動(dong)部件(jian)隔(ge)(ge)開,現廣泛使用(yong)在(zai)各(ge)個領域。常用(yong)的(de)(de)隔(ge)(ge)膜(mo)閥(fa)(fa)(fa)有襯膠隔(ge)(ge)膜(mo)閥(fa)(fa)(fa)、襯氟隔(ge)(ge)膜(mo)閥(fa)(fa)(fa)、無襯里隔(ge)(ge)膜(mo)閥(fa)(fa)(fa)、塑(su)料隔(ge)(ge)膜(mo)閥(fa)(fa)(fa)。浮控調流閥(fa)(fa)(fa)是(shi)(shi)(shi)(shi)在(zai)閥(fa)(fa)(fa)體(ti)和閥(fa)(fa)(fa)蓋內(nei)裝(zhuang)有一(yi)(yi)(yi)撓性(xing)隔(ge)(ge)膜(mo)或(huo)組合隔(ge)(ge)膜(mo),其關閉(bi)件(jian)是(shi)(shi)(shi)(shi)與隔(ge)(ge)膜(mo)相連接(jie)的(de)(de)一(yi)(yi)(yi)種壓縮裝(zhuang)置。閥(fa)(fa)(fa)座可(ke)以是(shi)(shi)(shi)(shi)堰形,也可(ke)以是(shi)(shi)(shi)(shi)直通(tong)流道的(de)(de)管壁。隔(ge)(ge)膜(mo)閥(fa)(fa)(fa)的(de)(de)優點是(shi)(shi)(shi)(shi)其操縱機構(gou)與介質通(tong)路(lu)隔(ge)(ge)開,不(bu)但保證了工作(zuo)介質的(de)(de)純凈,同時也防(fang)止管路(lu)中(zhong)介質沖擊操縱機構(gou)工作(zuo)部件(jian)的(de)(de)...
三通(tong)分(fen)(fen)料(liao)(liao)(liao)閥(fa)(fa)(fa)用(yong)(yong)于(yu)粉(fen)狀(zhuang)物(wu)料(liao)(liao)(liao)輸(shu)送(song)控制物(wu)料(liao)(liao)(liao)流量(liang)方向,通(tong)過(guo)調(diao)整筒內閥(fa)(fa)(fa)芯的(de)位置,改變(bian)(bian)流向,廣(guang)泛應用(yong)(yong)于(yu)建材(cai)、冶(ye)金、礦山、輕工(gong)、糧(liang)食(shi)等(deng)行業,是(shi)固體晶粒、粉(fen)狀(zhuang)物(wu)料(liao)(liao)(liao)輸(shu)送(song)系統(tong)中改變(bian)(bian)物(wu)料(liao)(liao)(liao)流向的(de)理想設備。電(dian)(dian)(dian)動(dong)(dong)三通(tong)分(fen)(fen)料(liao)(liao)(liao)閥(fa)(fa)(fa)主要(yao)由閥(fa)(fa)(fa)體、閥(fa)(fa)(fa)軸、閥(fa)(fa)(fa)板(ban)、曲(qu)柄(bing)(bing)機(ji)構、電(dian)(dian)(dian)動(dong)(dong)推桿(gan)(電(dian)(dian)(dian)液動(dong)(dong)推桿(gan)或(huo)手動(dong)(dong)機(ji)構)等(deng)組成。工(gong)作(zuo)時電(dian)(dian)(dian)、液動(dong)(dong)推桿(gan)的(de)直線(xian)往復運動(dong)(dong),(手動(dong)(dong)由外力)通(tong)過(guo)曲(qu)柄(bing)(bing)帶動(dong)(dong)閥(fa)(fa)(fa)軸、閥(fa)(fa)(fa)板(ban)作(zuo)一定角(jiao)度的(de)擺(bai)動(dong)(dong),從(cong)而(er)達到控制物(wu)料(liao)(liao)(liao)流向,分(fen)(fen)送(song)物(wu)料(liao)(liao)(liao)之(zhi)目的(de)。三通(tong)分(fen)(fen)料(liao)(liao)(liao)閥(fa)(fa)(fa)采用(yong)(yong)鋼板(ban)焊接(jie)結構,具有體積(ji)小、重量(liang)輕、阻力小。采用(yong)(yong)電(dian)(dian)(dian)動(dong)(dong)推桿(gan)(電(dian)(dian)(dian)液動(dong)(dong)、氣動(dong)(dong)推桿(gan))...
雙(shuang)(shuang)層(ceng)卸(xie)(xie)(xie)(xie)灰(hui)閥(fa)是除塵(chen)設(she)備(bei)排灰(hui)、送(song)風和其它設(she)備(bei)給(gei)料(liao)(liao)(liao)的(de)(de)(de)主要設(she)備(bei),適用于粉狀(zhuang)物(wu)料(liao)(liao)(liao)和顆(ke)料(liao)(liao)(liao)狀(zhuang)物(wu)料(liao)(liao)(liao)。為環保、冶金、化工、糧食、食品等工業部(bu)(bu)門(men)廣泛應用。雙(shuang)(shuang)層(ceng)卸(xie)(xie)(xie)(xie)灰(hui)閥(fa)結構:由帶有(you)數片(pian)葉(xie)片(pian)的(de)(de)(de)轉(zhuan)子葉(xie)輪(lun)、殼(ke)體、密封件(jian)及減速器、電(dian)動機等組成。其中(zhong)減速器又分齒差行星減速器和擺線針輪(lun)減速器X。當上部(bu)(bu)料(liao)(liao)(liao)倉的(de)(de)(de)物(wu)料(liao)(liao)(liao)靠自(zi)重(zhong)落下(xia)充填(tian)(tian)在葉(xie)片(pian)之間的(de)(de)(de)空隙中(zhong),隨(sui)葉(xie)片(pian)的(de)(de)(de)旋轉(zhuan)而在下(xia)部(bu)(bu)卸(xie)(xie)(xie)(xie)出(chu)(chu),所以,星型卸(xie)(xie)(xie)(xie)料(liao)(liao)(liao)閥(fa)可以定量(liang)而連(lian)續(xu)地卸(xie)(xie)(xie)(xie)料(liao)(liao)(liao)。雙(shuang)(shuang)層(ceng)卸(xie)(xie)(xie)(xie)灰(hui)閥(fa)工作原理:雙(shuang)(shuang)層(ceng)卸(xie)(xie)(xie)(xie)灰(hui)閥(fa)工作時,粉塵(chen)靠自(zi)重(zhong)落入,充填(tian)(tian)在葉(xie)片(pian)之間的(de)(de)(de)空隙中(zhong),隨(sui)葉(xie)片(pian)的(de)(de)(de)旋轉(zhuan)而在下(xia)部(bu)(bu)卸(xie)(xie)(xie)(xie)出(chu)(chu)。雙(shuang)(shuang)...
電動眼(yan)鏡閥(fa)(fa)又名扇形(xing)眼(yan)鏡閥(fa)(fa)、扇形(xing)盲板閥(fa)(fa)、翻板閥(fa)(fa)、扇形(xing)閥(fa)(fa),是(shi)按GB6222《工(gong)業(ye)企(qi)業(ye)煤氣(qi)安全規程》的有關(guan)標準(zhun)同時(shi)消化吸收*技術基(ji)礎上自行研(yan)制開發(fa)的新(xin)一代(dai)產品。廣泛用于工(gong)礦企(qi)業(ye)、市政、環保等(deng)行業(ye)的氣(qi)體介質(zhi)管理系統中(zhong),尤其適用于有害、有毒、易燃氣(qi)體的切斷。亦適宜做管道終端的盲板,以縮短檢(jian)修(xiu)時(shi)間(jian)或方便連接新(xin)的管路(lu)系統。電動眼(yan)鏡閥(fa)(fa)通常配備齒輪箱型(xing)(xing)執行器(qi),其中(zhong)手輪通過(guo)齒輪箱連接到閥(fa)(fa)桿。這(zhe)將減小(xiao)力但(dan)同時(shi)減少操作速度(du)。這(zhe)種類型(xing)(xing)的閥(fa)(fa)門應安裝在(zai)打(da)開位置(zhi)。如果在(zai)安裝過(guo)程中(zhong)閥(fa)(fa)門關(guan)閉(bi),橡膠座將楔入(ru)閥(fa)(fa)盤(pan)并...
在水(shui)(shui)(shui)(shui)利(li)(li)工程中關鍵(jian)的(de)(de)就是(shi)水(shui)(shui)(shui)(shui)利(li)(li)閘(zha)門(men),因(yin)為只有水(shui)(shui)(shui)(shui)利(li)(li)閘(zha)門(men)才(cai)可(ke)以有效地控制(zhi)水(shui)(shui)(shui)(shui)資源,泄水(shui)(shui)(shui)(shui)和(he)蓄(xu)水(shui)(shui)(shui)(shui)這些工作(zuo)都是(shi)由水(shui)(shui)(shui)(shui)利(li)(li)閘(zha)門(men)和(he)啟(qi)閉機(ji)來(lai)控制(zhi)的(de)(de),所以,為了更(geng)好地發揮(hui)其作(zuo)用(yong),我(wo)(wo)們(men)需要正確選擇啟(qi)閉機(ji)與閘(zha)門(men)。下面(mian)我(wo)(wo)們(men)來(lai)看(kan)看(kan)手(shou)動(dong)啟(qi)閉機(ji)的(de)(de)安裝(zhuang)方法(fa)和(he)注(zhu)意(yi)事項。手(shou)動(dong)啟(qi)閉機(ji)的(de)(de)安裝(zhuang)方法(fa):1、安裝(zhuang)側搖式手(shou)動(dong)啟(qi)閉機(ji)時,要保正安裝(zhuang)安置(zhi)(zhi)的(de)(de)基座必須平(ping)穩牢固,設置(zhi)(zhi)可(ke)靠的(de)(de)地錨并(bing)應搭(da)設工作(zuo)棚。操作(zuo)人員的(de)(de)位(wei)置(zhi)(zhi)應能看(kan)清指(zhi)揮(hui)人員和(he)拖動(dong)或起(qi)吊(diao)的(de)(de)物(wu)件。作(zuo)業前檢查手(shou)動(dong)啟(qi)閉機(ji)與地面(mian)固定情況(kuang)、防護設施、電氣(qi)線(xian)路接地線(xian)、制(zhi)動(dong)裝(zhuang)置(zhi)(zhi)和(he)鋼比繩(sheng)等全部合格后...
風機調節閥(fa)(fa)(fa)是中(zhong)央空調風機盤管的(de)配(pei)套產品,由驅動(dong)(dong)(dong)(dong)器(qi)(qi)與閥(fa)(fa)(fa)體(ti)兩部分(fen)組成,驅動(dong)(dong)(dong)(dong)器(qi)(qi)由一個同步電機驅動(dong)(dong)(dong)(dong),具(ju)備彈簧復位(wei)及(ji)手動(dong)(dong)(dong)(dong)開(kai)閥(fa)(fa)(fa)杠桿操縱功(gong)能。閥(fa)(fa)(fa)體(ti)部分(fen)采用活(huo)塞式結(jie)構(gou)。風機調節閥(fa)(fa)(fa)產品特點:1、執行器(qi)(qi)選(xuan)用鑄鋁支(zhi)架及(ji)塑料外殼,體(ti)積小(xiao)、重量輕2、選(xuan)用永磁同步電機,并(bing)帶有磁滯離合(he)機構(gou),具(ju)有可(ke)靠的(de)自(zi)我(wo)保護功(gong)能3、適合(he)多種控制(zhi)信(xin)號:增量(浮(fu)點)、電壓(0~10V)、電流(4~20mA)4、具(ju)有0~10V或4~20mA反饋信(xin)號(選(xuan)配(pei))5、傳(chuan)動(dong)(dong)(dong)(dong)齒(chi)(chi)輪采用金(jin)屬齒(chi)(chi)輪,大大提高了(le)驅動(dong)(dong)(dong)(dong)器(qi)(qi)的(de)使用壽(shou)命6、功(gong)耗(hao)低、輸出力大...