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齒(chi)輪泵 帕(pa)姆泵 KCB5400 輸送(song)齒輪(lun)油
齒輪泵 帕姆泵 KCB5400 輸(shu)送齒輪油(you)
齒輪(lun)泵 帕姆泵 KCB5400 輸送(song)齒輪(lun)油
産(chan)品說(shuo)明: |
●KCB齒(chi)輪泵概述(shu)
KCB齒輪油泵(beng)在輸(shu)油(you)系(xi)統中(zhong)可用(yong)作傳(chuan)輸、增壓泵(beng);KCB gear oil pump in the oil system can be used as a transport, booster pump;
在燃(ran)油系統中(zhong)可用作輸(shu)送、加(jia)壓、噴(pen)射的燃油泵;In the fuel system can be used as a transport, pressure, jet fuel pump;
在一切(qie)工業(ye)領域中,均(jun)可作(zuo)潤滑油(you)泵(beng)用。In all industrial areas, can be used as lubricating oil pump.
KCB齒輪泵主要有齒(chi)輪、軸、泵體(ti)、安全閥(fa)、軸端密封所(suo)組(zu)成。齒輪(lun)經熱處(chu)理(li)有較高的(de)硬(ying)度和強(qiang)度,與軸一(yi)同安(an)裝在(zai)可更換的(de)軸套内(nei)運(yun)轉。泵(beng)内全部零(ling)件的(de)潤滑均在(zai)泵工作時(shi)利(li)用輸出(chu)介質(zhi)而自(zi)動達(da)到。KCB gear pump are mainly gear, shaft, pump body, valve, shaft end seal. Gear after heat treatment with high hardness and strength, and shaft installed in the replaceable shaft sleeve. In all parts of the lubrication pump are pump work automatically to achieve using the output media.
泵内有(you)設計合(he)理(li)的洩(xie)油和(he)回油槽,是(shi)齒輪在(zai)工(gong)作中(zhong)承受(shou)的扭矩力(li)小,因此軸承負(fu)荷小(xiao),磨(mo)損小,泵(beng)效率(lü)高。Pump is the drainage and back into the groove of reasonable design, is a gear in the work under the minimum torque force, so the bearing load is small, wear small, pump with high efficiency.
泵(beng)設有安全(quan)閥作(zuo)為超載保(bao)護,安全閥的(de)全(quan)回流(liu)壓力為泵(beng)額定(ding)壓力(li)的1.5倍,也可(ke)在允許出(chu)壓力(li)範圍内(nei)根據實(shi)際需(xu)要另外調整。但注意本安(an)全閥不能作減(jian)壓閥(fa)的長(zhang)期工(gong)作,需(xu)要時(shi)可在管路上另行安(an)裝。從(cong)主軸(zhou)外伸(shen)端向泵(beng)看,為順(shun)時針旋轉(zhuan)。Pump is equipped with safety valve as overload protection, the total reflux pressure relief valve is rated pump out pressure of 1.5 times, also can allow discharge pressure range according to actual needs and adjust. But note that this cannot be a long-term work pressure reducing valve, relief valve can be installed in the piping shall be separately when necessary. To pump from the main shaft overhang end to see, for clockwise.
●KCB齒輪(lun)泵性(xing)能範(fan)圍
流(liu)量:1.1m3/h-600m3/h壓(ya)力:0.28MPa--2.5MPa Traffic: 1.1 m3 / h - 600 m3 / h pressure: 0.28 MPa, 2.5 MPa
主(zhu)要用(yong)于油田、油(you)庫、港口、碼頭、船舶等(deng)大流量輸(shu)油,卸油!Mainly used in oil fields, oil depot, ports, docks, ship big flow like oil, oil unloading
應用範(fan)圍:KCB/2CY型齒輪輸油(you)泵适(shi)用(yong)于(yu)輸送(song)粘度在300c.s.t以(yi)下的各種油類(lei),如原(yuan)油、柴油、潤(run)滑油、動植(zhi)物油(you)等。配(pei)用銅(tong)齒輪(lun)可輸(shu)送低閃(shan)點液體(ti),如汽油、苯(ben)等。介(jie)質溫(wen)度不(bu)超過(guo)70℃,耐高溫(wen)油泵的(de)使用(yong)溫度不超(chao)過300℃。本泵身(shen)帶有(you)安全閥,超載時(shi)起安全作用。軸(zhou)封有骨架油封(feng)、機械密(mi)封、填料(liao)密封(feng)三種型式(shi),訂貨注(zhu)明(ming)。KCB齒輪(lun)潤滑泵(beng)主(zhu)要用(yong)于各種機械設(she)備中的潤滑系(xi)統中(zhong)輸送(song)潤滑(hua)油,适(shi)用于輸送(song)粘度(du)在10oE(75c.s.t)以(yi)下,溫(wen)度在(zai)300℃以下的具(ju)有潤滑(hua)性的油(you)料,不(bu)鏽鋼(gang)齒輪(lun)泵可輸送(song)食用(yong)油料、飲(yin)料等。軸(zhou)封有骨架(jia)油封、機械(xie)密封、填料(liao)密封三種(zhong)型式(shi).Scope of application: KCB type / 2 cy gear oil pump is suitable for conveying viscosity at 300 c. S.t under various oil, such as crude oil, diesel oil, lubricating oil, animal and plant oil. With copper gear can handle liquid low flash point, such as gasoline, benzene, etc. Medium temperature does not exceed 70℃, the use of high temperature resistant oil pump temperature does not exceed 300℃. When the pump body with a safety valve, overloading security role. Shaft seal skeleton oil seal, mechanical seal, packing three type, indicate the order. KCB gear lubrication pump is mainly used for all kinds of mechanical equipment of conveying lubricating oil in the lubricating system, suitable for conveying viscosity in 10 oe (below 75 c. S.t), the temperature is below 300℃with lubrication oil, stainless steel pump can transport edible oil, beverage and so on. Shaft seal skeleton oil seal, mechanical seal, packing three types.
●KCB齒輪泵安(an)裝說明(ming):
1、安(an)裝泵(beng)的地點應(ying)足夠寬(kuan)敞(chang),以方便檢(jian)修工(gong)作。2、泵(beng)安裝的好壞,對(dui)泵的(de)平穩(wen)運行(hang)和使用壽(shou)命有很重(zhong)要的(de)影響(xiang),所以安裝校正(zheng)工作(zuo)必須(xu)仔細(xi)地進行,不得草率行(hang)事。3、泵吸入(ru)管的安(an)裝高度、長度(du)和管(guan)徑應(ying)滿足計算(suan)值,力(li)求簡(jian)短,減少不(bu)必要的損失(如(ru)彎頭(tou)等(deng));并保證(zheng)泵在工作(zuo)時,不(bu)超過(guo)其允許汽(qi)蝕餘量。4、吸(xi)入和(he)出管(guan)路應該有(you)支架。泵不(bu)允許(xu)承受(shou)管路的負(fu)荷。KCB gear pump installation instructions: 1, the location of the installation of pump should be spacious enough, to facilitate maintenance and repair work. The stand or fall of 2, pump installation, for the smooth running of the pump and service life have very important influence, so the installation calibration work must be carried out carefully and must not be too hasty. 3, installation height of pump suction pipe, the length and diameter should satisfy the calculated value, to short, reduce unnecessary losses, such as elbow, etc.); And ensure the pump at work, no more than the allowed NPSH. 4, suction and discharge line should be a support. Pump are not allowed to bear load of pipeline.
●KCB齒(chi)輪泵安裝順序: KCB gear pump installation order:
1、在安裝(zhuang)過程中,為防止雜物落(luo)入機器内(nei),機組(zu)的所有(you)孔(kong)眼均(jun)應蓋(gai)好。1, during the installation process, so as to prevent debris into the machine, all perforation should cover of the unit.
2、在(zai)接好管路及确(que)定電動(dong)機(ji)轉動(dong)方向後(hou),再(zai)接上(shang)聯軸器,并再校(xiao)核一(yi)遍(bian)軸的同(tong)心度。2, good on the line and determine the direction of motor rotation, and coupling is connected, check it again and shaft concentricity.
3、校正泵軸(zhou)和(he)電機軸(zhou)的同心度(du),在聯(lian)軸大路(lu)外圓上(shang),允許偏差0.1毫米;兩聯(lian)軸器平面(mian)的間隙應(ying)保證(zheng)2~4毫米(mi),(小泵取小(xiao)值)間隙(xi)要(yao)均勻,允差(cha)0.3毫米。3, calibration of pump shaft and motor shaft concentricity, cylindrical, along the road in coupling allowable deviation of 0.1 mm;In the plane of the two coupling gap should guarantee 2 ~ 4 mm, small little pump (in value) clearance wants even, tolerance of 0.3 mm.
4、将機組放(fang)在埋(mai)有地腳螺(luo)栓的(de)基礎上,在(zai)底座與基(ji)礎之間,用(yong)成對的楔墊用(yong)校正用(yong)。4, put the unit in buried with anchor bolt, on the basis of between the base and foundation, with pairs of wedge cushion with correction.
5、為(wei)防止管(guan)線中雜物進入泵内,對(dui)新安裝的(de)管線(xian),在泵(beng)膠應(ying)裝設(she)過濾器,其有效(xiao)截面(mian)應(ying)大于吸(xi)入管(guan)截面的2~3倍(bei)。5, in order to prevent debris into the pump in the pipeline, pipeline of new installation glue should be installed in the pump filters, the effective cross section should be greater than the suction pipe section 2 ~ 3 times.
6、松開(kai)聯軸(zhou)大,用水平(ping)儀分别放(fang)在泵(beng)軸和(he)底座(zuo)上,通(tong)過調(diao)整楔墊(nian),校(xiao)正機(ji)組水(shui)平,适當擰(ning)緊地(di)腳螺(luo)栓,以(yi)防走動。6, loose coupling, use level on the pump shaft and base, respectively, by adjusting the wedge cushion, correction unit level, tighten the anchor bolts, just in case.
7、在(zai)機組實(shi)際試運(yun)行2~3小(xiao)時後(hou),檢查,如無不良(liang)現象(xiang),則認為(wei)安(an)裝合(he)格。
7, in the actual commissioning unit 2 ~ 3 hours later, a final inspection, if there is no negative phenomenon, is considered qualified installation.
●kcb齒(chi)輪泵的結構:KCB gear pump structure:
泵主(zhu)要有泵(beng)體、齒輪、軸(zhou)、軸承、安全閥(fa)、前蓋、後(hou)蓋、密(mi)封(feng)部件、聯軸器(qi)部件組成(cheng)。設有(you)安(an)全閥的泵、當油管路的(de)液壓值(zhi)超(chao)過泵的規(gui)定時(shi),安全(quan)閥開啟,保(bao)證泵(beng)及原(yuan)動(dong)機(ji)不緻(zhi)因壓力過高而受到(dao)損(sun)壞(huai)。軸端(duan)密封有三(san)種形式:填(tian)料(liao)密封、機(ji)械密(mi)封、橡(xiang)膠圈密封(feng),用(yong)戶可根(gen)據具體的使用(yong)條件(jian)選擇(ze)合适(shi)的密封結(jie)構。泵(beng)有良(liang)好的(de)自吸(xi)性,泵内運(yun)動部件利(li)用(yong)輸送的(de)液體實現(xian)潤滑(hua),緻工作時可以(yi)不加(jia)引液和潤滑劑(ji)。
●kcb齒輪(lun)泵安裝: KCB gear pump installation:
1、泵(beng)安裝前應檢查(cha)泵和電機在運(yun)輸過程(cheng)中是否(fou)受到損(sun)壞(huai),如電(dian)機是否(fou)受潮,泵(beng)的進出口(kou)防塵蓋是否損壞而(er)使污(wu)物進(jin)入泵(beng)腔内等。
2、泵(beng)在搬(ban)運過(guo)程中(zhong),應選擇合适起(qi)吊位(wei)置,減(jian)少泵的變(bian)形(xing)。2, pump in the process of handling, should choose appropriate lifting position, reduce the deformation of the pump.
3、泵(beng)的底座應固定(ding)在牢(lao)固(gu)的(de)基礎(chu)上,以(yi)免産(chan)生振(zhen)動影(ying)響泵的正(zheng)常工作(zuo)。3, the base of the pump should be fixed on the basis of the strong, so as to avoid vibration influence the normal work of the pump.
4、泵(beng)的進(jin)出(chu)口(kou)管路(lu)應清理幹淨不(bu)得存有硬顆粒(li)的報告雜(za)物。4, import and export of pipeline of pump should be cleaned up shall not have the report of hard particles sundry.
5、管路口(kou)徑一(yi)般不小于泵的(de)進出(chu)口徑,進油(you)管路應盡(jin)量短(duan),并減(jian)少彎路。必(bi)要時在進(jin)油口(kou)安裝金(jin)屬(shu)過濾(lü)器,過濾器的有(you)效面(mian)積不應小(xiao)于管(guan)道(dao)過(guo)流面積的(de)三倍。
6、安裝時,不(bu)得用(yong)泵來(lai)承擔(dan)管路(lu)的重量(liang)。7、用(yong)手轉動聯軸(zhou)器,泵應(ying)轉動靈活(huo),不得有過(guo)緊或(huo)輕重(zhong)不均現象(xiang),如有應立即排除。
6, when installation, must not use the pump to bear the weight of the line.7, turn the coupling with the hand, the pump should be flexible rotation, can not have too tight or weight uneven phenomenon, should immediately ruled out.
●kcb齒輪泵(beng)的開(kai)機: KCB gear pump of the boot:
1、開(kai)機前應(ying)檢查泵(beng)軸轉動(dong)是否靈(ling)活,有無卡阻現象,進(jin)出口管道(dao)上的閥門是否(fou)開啟,泵(beng)的(de)轉動(dong)方向是否(fou)正确。
2、長時間沒(mei)有使用(yong)的泵開機前(qian)應(ying)向泵腔(qiang)中注入一(yi)定量(liang)的潤(run)滑液(ye),以減(jian)少泵在(zai)吸油過程中(zhong)的幹(gan)摩擦(ca),并可提高(gao)泵的(de)自吸(xi)性能。
3、開機(ji)後(hou)如(ru)有不正常的噪音或(huo)過熱(re)現象(xiang),應立(li)即停(ting)車檢(jian)查。3, after the boot if there is any abnormal noise or overheating phenomenon, should immediately stop check.
4、檢(jian)查泵軸端(duan)有無(wu)洩(xie)漏現象(xiang),如:對填料(liao)密封應适當調(diao)緊壓(ya)緊蓋,其它(ta)密封(feng)則應拆機檢查(cha);4, check whether there is any leakage on the pump shaft end phenomenon, such as: the packing should be properly tighten clamp cover, other sealing should teardown check;
5、若(ruo)輸送熱油,在(zai)開機(ji)時應(ying)均勻(yun)預(yu)熱,預熱是利(li)用被輸送(song)的介(jie)質不(bu)斷通(tong)過泵體進行的(de)。預熱(re)标準(zhun):吸入(ru)口的油溫不得(de)高于泵體(ti)溫度(du)40℃,預熱(re)的(de)升溫速(su)度控制(zhi)在<40℃/h,在預熱時(shi)應(ying)将固定(ding)泵體的螺(luo)栓松(song)開,預(yu)熱(re)完畢,将(jiang)其擰(ning)緊(jin)。在(zai)預熱(re)過程(cheng)中,應注意(yi)觀察泵(beng)的(de)運行(hang)情況,以但(dan)發生(sheng)不良(liang)情況,應立(li)即停(ting)泵檢(jian)查。 6、泵(beng)停機後(hou),首(shou)先切(qie)斷電(dian)源,然後關(guan)閉進出口(kou)管道上的閥門(men),避免(mian)造成泵倒(dao)轉。7、泵(beng)經過長期(qi)使用(yong),壓力流量(liang)有明顯下(xia)降時,應拆(chai)泵檢查,更換其己磨(mo)損(sun)的零件(jian)。
●KCB齒輪(lun)油泵(beng)(輸油泵)機(ji)械密(mi)封的(de)運轉(zhuan)
1.KCB齒輪油泵(beng)(輸油泵)啟(qi)動後(hou)若有(you)輕微洩漏(lou)現象,應觀察一(yi)段時(shi)間。如(ru)齒輪(lun)泵連續運(yun)行4小(xiao)時,洩(xie)漏(lou)量仍不(bu)減小(xiao),則(ze)應(ying)停泵(beng)檢查(cha)。
2.KCB齒輪(lun)油泵(輸油(you)泵)的(de)操作壓(ya)力(li)應平(ping)穩,壓(ya)力波(bo)動不(bu)大于(yu)1公斤(jin)/平方(fang)厘米。
3.KCB齒輪(lun)油泵(輸油泵)在(zai)運轉(zhuan)中,應避免(mian)發生(sheng)抽(chou)空現象(xiang),以免(mian)造成密封(feng)面幹(gan)摩擦(ca)及密(mi)封破壞(huai)。
4.齒輪泵(beng)密封(feng)情況(kuang)要經常檢(jian)查。運(yun)轉中(zhong),當其洩漏(lou)超過(guo)标(biao)準(zhun)時,重(zhong)質油(you)大于(yu)5滴/分(fen),輕質油不大于(yu)10滴/分(fen),如2-3日(ri)内仍(reng)無好轉(zhuan)趨勢,則(ze)應停(ting)泵栓查密(mi)封裝置(zhi)。
●齒(chi)輪油(you)泵機(ji)械密(mi)封的安(an)裝(zhuang)
1.KCB齒輪(lun)油泵(輸油(you)泵)啟動(dong)前(qian)應保持密(mi)封(feng)腔内充(chong)滿液體(ti)。對(dui)于輸(shu)送凝(ning)固(gu)的介質(zhi)時,應(ying)用蒸汽将(jiang)密封(feng)腔加熱使(shi)介質(zhi)熔(rong)化。啟動前必(bi)須(xu)盤車,以(yi)防止突然啟動而造(zao)成軟環碎(sui)裂.遠(yuan)東泵業
2.對(dui)于利(li)用齒(chi)輪泵外封(feng)油系統的(de)機械密封(feng),應先啟(qi)動(dong)封油(you)系統(tong)。停車後後(hou)停止封(feng)油(you)系統(tong)。kcb齒輪(lun)泵
3.泵(beng)停運後不(bu)能馬(ma)上停(ting)止(zhi)封油腔(qiang)及端面密(mi)封的冷卻水,應待端(duan)面密封處油溫(wen)降到(dao)80度(du)以(yi)下時(shi),才可以停(ting)止冷(leng)卻水(shui),以(yi)免(mian)損壞(huai)密封零(ling)件。
齒輪泵 帕姆泵(beng) KCB5400 輸送齒輪(lun)油
●KCB齒(chi)輪泵(beng)常(chang)見故障(zhang)及解(jie)決方(fang)法
目(mu)前(qian),KCB齒(chi)輪泵(kcb不鏽(xiu)鋼齒(chi)輪泵(beng))在自卸(xie)汽車與(yu)工程機械操縱(zong)機構中運(yun)用較多,現将其常見(jian)故障及除(chu)方法介紹(shao)如下,供參(can)考。
1、産(chan)生振(zhen)動與(yu)噪(zao)聲的原(yuan)因
(2)機(ji)械原(yuan)因
①泵(beng)與聯軸器(qi)的連(lian)接因(yin)不合規定(ding)要求(qiu)而産(chan)生振(zhen)動及(ji)噪(zao)聲。應按(an)規定要(yao)求(qiu)調整聯軸(zhou)器。
②因(yin)油中污物(wu)進入泵内(nei)導(dao)緻齒輪(lun)等部件磨損拉(la)傷而産生(sheng)噪聲(sheng)。應更(geng)換油(you)液,加強過(guo)濾(lü),拆開泵(beng)清洗(xi);對(dui)磨(mo)損嚴(yan)重的(de)齒輪,須修(xiu)理或更(geng)換。
③泵内(nei)零(ling)件損壞(huai)或磨損嚴重将(jiang)産生振動(dong)與噪(zao)聲:如齒形誤差(cha)或周節誤差大(da),兩齒輪接(jie)觸不(bu)良,齒(chi)面粗糙度(du)高,公法(fa)線(xian)長度(du)超差,齒側隙過(guo)小,兩(liang)齧合(he)齒輪(lun)的接觸區不在(zai)分度(du)圓(yuan)位(wei)置等。此時,可更換齒(chi)輪或将(jiang)齒輪對(dui)研。同(tong)時(shi),軸承的(de)滾針保(bao)持(chi)架破(po)損、長(zhang)短軸軸頸(jing)及滾(gun)針磨損等(deng),均可(ke)導緻(zhi)軸承(cheng)旋轉不(bu)暢(chang)而産生機(ji)械(xie)噪聲,此(ci)時需(xu)拆(chai)修(xiu)齒輪泵,更換滾(gun)針軸(zhou)承。
④KCB齒(chi)輪泵(kcb不鏽(xiu)鋼(gang)齒輪泵(beng))齒輪(lun)軸向裝配間隙過小(xiao);齒輪(lun)端面與前(qian)後端蓋之(zhi)間的滑動(dong)接合面因(yin)齒輪(lun)在裝(zhuang)配前(qian)毛刺(ci)未能(neng)仔(zai)細清除,從而運轉時拉(la)傷接合(he)面(mian),使内(nei)洩漏(lou)大,導緻輸(shu)出流量減少;污(wu)物進(jin)入(ru)泵内并(bing)楔入齒輪(lun)端面與前(qian)後(hou)端蓋之(zhi)間的間隙内拉傷配(pei)合面,導緻(zhi)高低壓(ya)腔(qiang)因出(chu)現徑(jing)向拉傷的(de)溝槽而連(lian)通,使(shi)輸出流量減小(xiao)。對上述情況應(ying)分别(bie)采用以下(xia)措施(shi)修複(fu)。拆解(jie)齒輪(lun)泵,适當地(di)加大(da)軸向間隙即研(yan)磨齒(chi)輪的(de)端面;用(yong)平面磨(mo)床磨(mo)平前後蓋(gai)端面和(he)齒輪端(duan)面,并(bing)清(qing)除輪齒(chi)上的(de)毛刺(ci)(不能(neng)倒角(jiao));經平面磨(mo)削後(hou)的(de)前後端蓋其端面(mian)上卸(xie)荷槽的深度尺寸會(hui)有變化,應(ying)适當(dang)增加寬度。
(3)其(qi)他原因(yin)
油液(ye)的黏度高(gao)也會(hui)産生(sheng)噪聲,必須選用黏度(du)合(he)适的油(you)液。
2、KCB齒(chi)輪泵(kcb不鏽(xiu)鋼(gang)齒輪泵(beng))輸出流量(liang)不足(zu)
①油溫高将(jiang)使其(qi)黏度(du)下降(jiang)、内洩(xie)漏增(zeng)加,使(shi)泵輸(shu)出流(liu)量減小。應(ying)查(cha)明(ming)原因(yin)采取措施(shi);對于(yu)中高(gao)壓(ya)齒輪泵(beng),須檢查(cha)密封圈(quan)是否破損(sun)。
②選用油(you)的(de)黏度過高(gao)或過低,均(jun)會造成(cheng)泵的輸出流(liu)量(liang)減(jian)少,應(ying)使用(yong)黏度(du)合格的油(you)品。
③KCB齒(chi)輪泵(beng)一般(ban)不可以反轉,如(ru)泵體(ti)裝反(fan),将(jiang)造成壓油腔(qiang)與吸(xi)油腔(qiang)局部短接,使其(qi)流量減少(shao)甚至(zhi)吸不上油來。此時,應(ying)查(cha)泵的轉(zhuan)向。
④發(fa)動機轉速(su)不(bu)夠,造成(cheng)流量減小(xiao)。應查(cha)明原(yuan)因并(bing)加以(yi)除。
3、旋(xuan)轉不(bu)暢
①軸向間(jian)隙或徑向(xiang)間隙(xi)太小(xiao)。重(zhong)新(xin)加以(yi)調整(zheng)修配(pei)
②泵内(nei)有污物。解(jie)體以清除(chu)異物。
③裝配有誤(wu)。齒輪泵(beng)兩(liang)銷孔的加工基準面(mian)并非裝配(pei)基準面,如(ru)先(xian)将銷子(zi)打入(ru),再(zai)擰(ning)緊螺(luo)釘,泵(beng)會(hui)轉不動(dong)。正确的(de)方(fang)法是,邊轉(zhuan)動齒輪泵(beng)邊擰緊螺(luo)釘,配(pei)鑽銷(xiao)孔并(bing)打入(ru)銷子。
④泵與(yu)發動(dong)機(ji)聯軸器(qi)的同軸度(du)差。同軸度(du)應保(bao)證在(zai)0.1mm以内。
⑤泵内零件未退磁。裝(zhuang)配前(qian)所有(you)零件(jian)均須(xu)退磁。
⑥滾針套質(zhi)量不合格(ge)或滾針斷(duan)裂。修(xiu)理或(huo)更換(huan)。
⑦工(gong)作油輸(shu)出口被堵塞。清(qing)除異(yi)物。
4、發(fa)熱
①造成齒(chi)輪泵旋(xuan)轉(zhuan)不暢(chang)的各(ge)項(xiang)原(yuan)因均(jun)能導緻(zhi)齒輪泵(beng)發熱(re),除方(fang)法亦(yi)可參(can)照(zhao)其(qi)執行(hang)。
②油液黏度(du)過高或過低。重(zhong)新選油。
③側(ce)闆、軸套與(yu)齒輪(lun)端面(mian)嚴重(zhong)摩擦(ca)。修複(fu)或(huo)更(geng)換。
④環境溫(wen)度高,油箱容積(ji)小,散(san)熱不良(liang),都(dou)會使泵發(fa)熱(re)。應分别(bie)處理。
5、KCB齒輪(lun)泵(kcb不鏽鋼齒輪(lun)泵)主要零(ling)件的(de)修複(fu)
(1)齒輪(lun)
①齒形修理(li):用細(xi)砂(sha)布或油(you)石除(chu)去(qu)拉(la)傷或已磨成多(duo)棱形(xing)的部(bu)位,再(zai)将齒(chi)輪齧(nie)合面(mian)調換(huan)方位(wei)并适(shi)當地(di)進行(hang)對研,清洗(xi)幹淨;對用(yong)肉眼(yan)能觀察到(dao)的嚴(yan)重磨損件(jian),應予以更換(huan)。
②端(duan)面修理:齒輪端(duan)面由于(yu)與軸承(cheng)座或前(qian)後蓋相對轉動而(er)磨損(sun),輕時會(hui)起(qi)線,可用研(yan)磨方法将(jiang)起線(xian)毛(mao)刺痕迹(ji)研去(qu)并(bing)抛光;磨(mo)損嚴重時(shi),應将齒輪放在平面(mian)磨床(chuang)上進行修(xiu)磨。應(ying)注意:兩個(ge)齒輪必須同時(shi)放在平面(mian)磨床(chuang)上進(jin)行修(xiu)磨,目(mu)的是(shi)為了保證(zheng)兩個齒輪的厚度差(cha)在5μm範圍内(nei);同時(shi)必須(xu)保證(zheng)端面與孔的垂(chui)直度及兩(liang)端面的平(ping)行度(du)均在(zai)5μm範圍(wei)内,并用油(you)石将(jiang)銳(rui)邊倒鈍(dun),但切(qie)不可(ke)倒角,做到(dao)無毛(mao)刺、飛(fei)邊即可。
③當齒輪的(de)齧合表(biao)面磨損時(shi),應用油石(shi)将磨損所(suo)産生(sheng)的毛(mao)刺去掉;同(tong)時(shi),調換齒(chi)輪的(de)齧合(he)方位,使原(yuan)來(lai)不齧合(he)工作的(de)齒(chi)形表(biao)面進(jin)行齧合工(gong)作,這樣不(bu)僅能保證其(qi)原有的(de)工作性(xing)能,還能(neng)延長(zhang)齒輪的工(gong)作壽命。
(2)KCB齒(chi)輪泵(beng)(kcb不(bu)鏽鋼齒(chi)輪泵(beng))泵體(ti)
泵體(ti)的(de)磨損,主(zhu)要在内腔與齒輪項(xiang)圓相接觸(chu)的那一(yi)面(mian),且多(duo)發生(sheng)在(zai)吸油側(ce)。如果泵(beng)體(ti)屬于對稱(cheng)型(xing),可将泵(beng)體翻轉180度(du)後再用;如果泵體屬(shu)于非對稱(cheng)型,則需采(cai)用電(dian)鍍青(qing)銅合金(jin)工(gong)藝或(huo)電刷(shua)鍍的方法(fa)修複泵體(ti)内腔(qiang)孔的(de)磨損(sun)部位(wei)。
(3)軸承座圈
軸承(cheng)座圈(quan)的磨損一般在(zai)與齒(chi)輪接(jie)觸的(de)那一端(duan)面(mian)和與(yu)滾針(zhen)接觸的内(nei)孔上。端面磨損(sun)或拉毛(mao)起線時(shi),可将4個軸(zhou)承座圈放在平面磨(mo)床上,以不與齒(chi)輪接(jie)觸(chu)的(de)那一(yi)面為(wei)基準(zhun)将拉毛端(duan)面磨平,其(qi)精度應(ying)保(bao)證在(zai)10μm範圍(wei)内。軸承座(zuo)圈一般磨(mo)損較小,若(ruo)磨(mo)損(sun)嚴重(zhong),可研磨;或(huo)适當(dang)地加(jia)大(da)孔徑并(bing)重新選(xuan)配滾針;或更(geng)換軸(zhou)承座(zuo)圈。
(4)長(zhang)、短軸(zhou)
長(zhang)、短(duan)軸的(de)失效(xiao),主要是在(zai)與滾(gun)針軸(zhou)承相(xiang)接觸(chu)處出(chu)現磨(mo)損。如(ru)果磨(mo)損輕(qing)微,可(ke)采(cai)用抛光(guang)修複(fu)(并更換新(xin)的滾(gun)針(zhen)軸承);如(ru)果磨(mo)損(sun)嚴(yan)重或(huo)折斷,則需(xu)用鍍(du)鉻工藝修複,或(huo)重新(xin)加工(gong)。重新(xin)加工時(shi),須(xu)滿足(zu)長、短軸上(shang)的鍵(jian)槽對軸心線的(de)平行度和對稱度的(de)要(yao)求;裝在(zai)軸上的(de)平(ping)鍵與(yu)齒輪鍵(jian)槽(cao)的配(pei)合間隙均不能(neng)過大;軸不得在(zai)齒輪内孔産生徑向擺動(dong);軸頸(jing)與安(an)裝(zhuang)齒(chi)輪部分配合表(biao)面的(de)同軸度不得大(da)于10μm,兩端(duan)軸頸的(de)同軸(zhou)度不(bu)得超過20-30μm。
kcb齒(chi)輪泵(beng)作用(yong)是将(jiang)機油(you)提高到(dao)一定壓(ya)力後,強制(zhi)地壓送到發動機各(ge)零件的(de)運(yun)動表(biao)面上。其結構多(duo)采用齒(chi)輪(lun)式機油泵。發動機工(gong)作時,曲(qu)軸(zhou)帶動(dong)主動(dong)齒輪(lun)傳動(dong),被動齒輪(lun)作反(fan)方向(xiang)旋轉。吸油(you)腔内的(de)機(ji)油便沿着(zhe)齒(chi)隙(xi)和泵(beng)壁壓入出(chu)油腔。因吸油腔内的(de)機油(you)被不(bu)斷帶走,故(gu)吸(xi)油(you)腔内(nei)産生吸(xi)力(li),不斷(duan)地将(jiang)油(you)底(di)殼内(nei)的機油吸入吸油腔(qiang),并同時将(jiang)一定壓(ya)力(li)的機(ji)油泵入潤滑油(you)路。
齒輪油泵是(shi)借(jie)一(yi)對相(xiang)互齧合的(de)齒輪,将機(ji)械(xie)能轉換(huan)為油(you)壓能(neng)的裝(zhuang)置。在空(kong)壓機的(de)潤滑系(xi)統(tong)中被廣泛采用(yong)。油泵(beng)在運(yun)轉中的故(gu)障通(tong)常(chang)是潤滑(hua)系統(tong)中油(you)壓降低,甚至有時打(da)不上油。其(qi)原因(yin)大體(ti)有:1)旋轉方(fang)向與規定方向相反(fan);2)吸(xi)油管路(lu)不嚴(yan)密(mi),單(dan)向閥卡住(zhu);3)油泵的泵(beng)體與泵蓋之間(jian)密封不(bu)良;4)油槽(cao)内油(you)量不(bu)足;5)油(you)泵零件(jian)嚴(yan)重磨(mo)損;6)吸油過(guo)濾網(wang)被堵(du)塞。
實(shi)際工作(zuo)中(zhong)應根(gen)據具體(ti)情(qing)況進(jin)行不同處(chu)理。在(zai)檢修中應特别(bie)注意吸(xi)油管道的密(mi)封(feng),以(yi)及齒(chi)輪油泵泵(beng)體與泵蓋(gai)之(zhi)間的密(mi)封。吸入端(duan)如果(guo)密封不良,則油(you)泵進口漏(lou),造成油泵(beng)抽(chou)空(kong),自然(ran)就要(yao)打不(bu)上油。