2019-06-26 796
江門搬運起(qi)重輪(lun)(lun)胎(tai)(tai)(tai)在使用保(bao)養(yang)過程中應(ying)主要留意以(yi)下三點(dian): 1.氣(qi)(qi)壓(ya)正(zheng)(zheng)(zheng)常 輪(lun)(lun)胎(tai)(tai)(tai)氣(qi)(qi)壓(ya)應(ying)根(gen)據車輛的重量和季節變(bian)化及(ji)時(shi)(shi)調理輪(lun)(lun)胎(tai)(tai)(tai)氣(qi)(qi)壓(ya).輪(lun)(lun)胎(tai)(tai)(tai)氣(qi)(qi)壓(ya)過大(da)或過小都會對輪(lun)(lun)胎(tai)(tai)(tai)形(xing)(xing)成(cheng)(cheng)塤(xun)壞(huai)輪(lun)(lun)胎(tai)(tai)(tai)的氣(qi)(qi)壓(ya)必須(xu)保(bao)持正(zheng)(zheng)(zheng)常。氣(qi)(qi)壓(ya)正(zheng)(zheng)(zheng)常時(shi)(shi),胎(tai)(tai)(tai)冠與(yu)路面觸摸面積較大(da),接受載(zai)荷均(jun)勻,磨損(sun)正(zheng)(zheng)(zheng)常,若氣(qi)(qi)壓(ya)過底,則輪(lun)(lun)胎(tai)(tai)(tai)的剛度下降,承(cheng)載(zai)后變(bian)形(xing)(xing)嚴(yan)重,因胎(tai)(tai)(tai)肩部分著地(di)使磨損(sun)加劇,變(bian)形(xing)(xing)嚴(yan)重時(shi)(shi)還會引起(qi)胎(tai)(tai)(tai)體發熱(re),形(xing)(xing)成(cheng)(cheng)簾線疲勞(lao)、胎(tai)(tai)(tai)體分層等(deng)前期損(sun);若氣(qi)(qi)壓(ya)過高,會使輪(lun)(lun)胎(tai)(tai)(tai)
2019-06-26 861
修補(bu)是(shi)康復工(gong)(gong)程機(ji)械(xie)技(ji)(ji)能(neng)功(gong)能(neng),掃(sao)除(chu)毛(mao)病及消除(chu)毛(mao)病危險(xian),延伸機(ji)械(xie)運(yun)用壽命的(de)有(you)效手(shou)法(fa)。當前國內汽車修補(bu)職業已具有(you)相(xiang)(xiang)當規模,而(er)工(gong)(gong)程機(ji)械(xie)修補(bu)職業起步相(xiang)(xiang)對較晚,在(zai)(zai)修補(bu)中(zhong)還存(cun)在(zai)(zai)著諸多技(ji)(ji)能(neng)問題。這些問題的(de)存(cun)在(zai)(zai),導致機(ji)械(xie)修補(bu)質量不高(gao),裝備可*性差,使顧客蒙(meng)受損失,乃至嚴峻工(gong)(gong)程機(ji)械(xie)事端的(de)發作。筆者(zhe)針(zhen)對工(gong)(gong)程機(ji)械(xie)修補(bu)工(gong)(gong)作中(zhong)遇到的(de)常見技(ji)(ji)能(neng)問題做扼要剖(pou)析,旨在(zai)(zai)引起有(you)關人員的(de)注重。 1、不能(neng)正(zheng)確判(pan)別剖(pou)析毛(mao)病,盲目大(da)拆大(da)卸
2019-06-26 977
吊車上的液(ye)壓(ya)(ya)元(yuan)件很多,需(xu)求足夠(gou)的液(ye)壓(ya)(ya)油(you)(you)。當液(ye)壓(ya)(ya)油(you)(you)因使用(yong)(yong)時(shi)(shi)間過長蛻變而需(xu)求更換時(shi)(shi),有人錯誤地認為,只需(xu)將(jiang)液(ye)壓(ya)(ya)郵箱(xiang)內的油(you)(you)放光、加(jia)滿新的液(ye)壓(ya)(ya)油(you)(you)即可。但此(ci)時(shi)(shi)液(ye)壓(ya)(ya)油(you)(you)管和液(ye)控閥(fa)中(zhong)還殘留有許多舊液(ye)壓(ya)(ya)油(you)(you),設備使用(yong)(yong)時(shi)(shi)新舊油(you)(you)混(hun)合使用(yong)(yong)會加(jia)快新油(you)(you)蛻變的速度。 正確(que)的換油(you)(you)過程應首先(xian)放掉液(ye)壓(ya)(ya)郵箱(xiang)中(zhong)的液(ye)壓(ya)(ya)油(you)(you),清洗(xi)干凈油(you)(you)箱(xiang)后加(jia)入(ru)新液(ye)壓(ya)(ya)油(you)(you),再(zai)拆(chai)下回(hui)路(lu)總管,啟動發起機(ji)后低(di)迷工(gong)作,使油(you)(you)泵工(gong)作,別離(li)操縱各組織,靠液(ye)壓(ya)(ya)油(you)(you)將(jiang)回(hui)路(lu)中(zhong)的舊
2019-06-26 815
1、江門吊車公司(si)在正(zheng)常(chang)運轉狀況下(xia),每隔一(yi)(yi)定時(shi)(shi)(shi)間(大約(yue)一(yi)(yi)年(nian)左(zuo)右)進行一(yi)(yi)次大修(xiu)或在一(yi)(yi)個工(gong)期結束后大修(xiu)一(yi)(yi)次,更換(huan)磨損的軸承及其他(ta)易損零件,平時(shi)(shi)(shi)發現(xian)問題要隨(sui)時(shi)(shi)(shi)修(xiu)理。 2、江門吊車在卷揚機運轉過程中(zhong),隨(sui)時(shi)(shi)(shi)調查(cha)和查(cha)看(kan)制(zhi)動(dong)器、離合器、中(zhong)止器的作用及磨損狀況,及時(shi)(shi)(shi)排除故(gu)障(zhang)。 3、吊卷揚機長期不必,再用時(shi)(shi)(shi)應(ying)按新(xin)安裝的修(xiu)建卷揚機或大修(xiu)后查(cha)看(kan)試驗辦法(fa)進行,運送保養修(xiu)建卷揚機時(shi)(shi)(shi),應(ying)放在干燥處,各部件應(ying)有杰出(chu)的防潮(chao)
2019-06-26 1070
吊(diao)車漏(lou)(lou)(lou)油(you)、漏(lou)(lou)(lou)水、漏(lou)(lou)(lou)氣問題到目前(qian)為(wei)止仍舊是吊(diao)車的(de)(de)頑(wan)疾,這需要咱們重(zhong)點重(zhong)視并(bing)且有必要予(yu)以處(chu)理(li)。尤其是液壓(ya)(ya)體系(xi)(xi)(xi)的(de)(de)走(zou)漏(lou)(lou)(lou)嚴重(zhong)影響著體系(xi)(xi)(xi)工作(zuo)的(de)(de)安全(quan)性(xing),形成油(you)液浪(lang)費、污染周(zhou)圍(wei)環境(jing)、添加(jia)機器的(de)(de)罷工時刻、下(xia)降(jiang)生產率、添加(jia)生產成本及對(dui)產品(pin)形成污損。因此,對(dui)液壓(ya)(ya)體系(xi)(xi)(xi)的(de)(de)走(zou)漏(lou)(lou)(lou)咱們有必要加(jia)以操控。 液壓(ya)(ya)體系(xi)(xi)(xi)走(zou)漏(lou)(lou)(lou)的(de)(de)原(yuan)因 簡直所有的(de)(de)液壓(ya)(ya)體系(xi)(xi)(xi)的(de)(de)漏(lou)(lou)(lou)油(you)都是由于(yu)以下(xia)幾(ji)個原(yuan)因引(yin)起的(de)(de): (1)規劃及制作(zuo)的(de)(de)缺點所形成的(de)(de); (2)沖
2019-06-26 822
起重(zhong)臂(bei)彈性機(ji)(ji)構及其液壓體系呈現(xian)毛病(bing)(bing)后(hou),應先依(yi)據(ju)機(ji)(ji)構零部件和液壓體系作業原(yuan)理圖中各元件的(de)效果進(jin)行剖析(xi),順著油路逐步掃除非毛病(bing)(bing)元件,縮小范(fan)圍(wei)。不要(yao)在(zai)(zai)沒有查清楚原(yuan)因時(shi)(shi)盲目拆開元件,人為(wei)(wei)擴展毛病(bing)(bing)范(fan)圍(wei)。 一、毛病(bing)(bing)現(xian)象 吊車(che)在(zai)(zai)彈性臂(bei)伸出后(hou),彈性手柄(bing)處于(yu)中位(wei)時(shi)(shi),在(zai)(zai)重(zhong)負荷(he)下呈現(xian)漸漸回縮的(de)現(xian)象 二、診斷與(yu)掃除 在(zai)(zai)進(jin)行毛病(bing)(bing)診斷時(shi)(shi),往(wang)(wang)往(wang)(wang)需求了(le)解經過轎車(che)吊車(che)彈性機(ji)(ji)構的(de)液壓操控原(yuan)理。當(dang)手柄(bing)處于(yu)中位(wei)時(shi)(shi),因為(wei)(wei)平衡閥(fa)
2019-06-26 858
查(cha)看(kan)彈性(xing)(xing)(xing)缸內的托輥滑(hua)輪是否(fou)杰(jie)出。假如(ru)彈性(xing)(xing)(xing)缸托輥滑(hua)輪正常,在(zai)查(cha)看(kan)彈性(xing)(xing)(xing)缸的平衡閥(fa),若閥(fa)內繃簧(huang)疲憊變形(xing),也會使(shi)彈性(xing)(xing)(xing)臂(bei)(bei)發生顫動(dong)及發出響聲,此刻替換繃簧(huang)即可。 還要查(cha)看(kan)鋼繩彈性(xing)(xing)(xing)體系,拆去吊車(che)伸臂(bei)(bei)和縮臂(bei)(bei)拉索,單獨依托彈性(xing)(xing)(xing)缸帶動(dong)彈性(xing)(xing)(xing)臂(bei)(bei),觀察彈性(xing)(xing)(xing)臂(bei)(bei)彈性(xing)(xing)(xing)是否(fou)自在(zai)、有無(wu)顫動(dong)或(huo)(huo)響聲。若無(wu),在(zai)當裝上伸臂(bei)(bei)和縮臂(bei)(bei)拉索作彈性(xing)(xing)(xing)實驗時(shi),假如(ru)這時(shi)伸臂(bei)(bei)呈現(xian)顫動(dong)或(huo)(huo)發出響聲,則原因或(huo)(huo)許出在(zai)鋼繩彈性(xing)(xing)(xing)體系。這時(shi)必須先查(cha)看(kan)彈性(xing)(xing)(xing)繩或(huo)(huo)彈性(xing)(xing)(xing)繩的
2019-06-26 916
一、常見(jian)毛(mao)病現象 1.在液壓(ya)汽車吊(diao)車起重(zhong)臂(bei)悉數伸出或變(bian)幅到最大(da)(da)位置時振蕩 2.當起重(zhong)臂(bei)縮回或許(xu)下落時,產生振蕩現象 嚴峻時整(zheng)車顫栗,致使吊(diao)物(wu)不穩,起重(zhong)時難以操(cao)作,危害性很(hen)大(da)(da),因而,必(bi)須掃除該毛(mao)病 二、原因分析 1.液壓(ya)體(ti)系(xi)內混(hun)有空氣 空氣一旦(dan)進入液壓(ya)體(ti)系(xi)就會大(da)(da)大(da)(da)增大(da)(da)液體(ti)的彈性和可(ke)壓(ya)縮性,降(jiang)低了液壓(ya)體(ti)系(xi)的剛度,實(shi)踐表明,空氣混(hun)入后,常常會導致開車沖(chong)擊、低速(su)爬行等很(hen)多(duo)毛(mao)病。因為低壓(ya)空氣
2019-06-26 754
江門大型(xing)吊車出租在(zai)長時(shi)間施工運用中使得反(fan)轉支承有(you)所損壞,作業時(shi)反(fan)轉費力(li),加(jia)大油門才能滾(gun)(gun)動,有(you)時(shi)還有(you)比較響的“咔咔”聲。 拆修前必須(xu)先弄清反(fan)轉組(zu)織的結(jie)構與原(yuan)理。反(fan)轉組(zu)織包含反(fan)轉滾(gun)(gun)盤、轉臺(tai)和反(fan)轉液(ye)壓(ya)馬(ma)達及減速器。反(fan)轉滾(gun)(gun)盤時(shi)滾(gun)(gun)珠式支承反(fan)轉設備,主要由表里齒圈、上(shang)下(xia)滾(gun)(gun)道圈和滾(gun)(gun)珠等組(zu)成。外齒圈以螺栓(shuan)固(gu)定在(zai)底架上(shang),其內緣(yuan)制有(you)上(shang)下(xia)凹(ao)槽(cao)。上(shang)下(xia)滾(gun)(gun)道圈外緣(yuan)都只(zhi)要凹(ao)槽(cao),滾(gun)(gun)道圈套裝(zhuang)在(zai)外齒圈內,滾(gun)(gun)道圈凹(ao)槽(cao)與外齒圈構成
2019-06-26 859
吊(diao)車(che)在運用(yong)中(zhong)呈(cheng)現(xian)反(fan)轉(zhuan)支(zhi)承外圍走漏(lou)(lou)液(ye)(ye)壓(ya)(ya)油(you)(you)的現(xian)象。開端(duan)漏(lou)(lou)油(you)(you)不很嚴(yan)峻(jun),持續運用(yong)約(yue)半年后,漏(lou)(lou)油(you)(you)現(xian)象日(ri)趨嚴(yan)峻(jun),最終發展到(dao)每天漏(lou)(lou)幾千克液(ye)(ye)壓(ya)(ya)油(you)(you)的程(cheng)度。 吊(diao)車(che)反(fan)轉(zhuan)支(zhi)承部位上下車(che)均(jun)為封閉結(jie)構,無法直(zhi)接觀察(cha)到(dao)走漏(lou)(lou)點。在排除了各(ge)管(guan)接頭(tou)漏(lou)(lou)油(you)(you)的可能(neng)性后,毛病點會集到(dao)反(fan)轉(zhuan)減(jian)(jian)速器和中(zhong)心旋(xuan)轉(zhuan)接頭(tou)上。如果反(fan)轉(zhuan)馬(ma)達軸端(duan)密(mi)封和反(fan)轉(zhuan)減(jian)(jian)速器輸出軸端(duan)走漏(lou)(lou),或中(zhong)心旋(xuan)轉(zhuan)接頭(tou)漏(lou)(lou)油(you)(you),都可能(neng)導致反(fan)轉(zhuan)支(zhi)承與下車(che)平臺構成環形槽(cao)中(zhong)充(chong)滿液(ye)(ye)壓(ya)(ya)油(you)(you)。最終呈(cheng)現(xian)