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挖沙船主軸承溫度過高可能是由于以下原因造成
挖沙船主軸承溫度過高(gao)可(ke)能是由(you)于(yu)以下(xia)原因造成：
(1)潤滑(hua)油(you)(you)中斷(duan)或油(you)(you)量嚴重不足(zu)。斷(duan)油(you)(you)或少油(you)(you)的原因及處理辦法(fa)與上面討(tao)論的相同。
(2)潤滑油(you)過稠或(huo)過稀。主(zhu)(zhu)軸(zhou)承產生的(de)(de)熱量除少部分由金屬傳導出去外，大量的(de)(de)是靠潤滑油(you)帶走(zou)。當(dang)潤滑油(you)過稠時(shi)，流動性很差，不能及時(shi)把熱量帶走(zou)，引起主(zhu)(zhu)軸(zhou)承發熱。當(dang)潤滑油(you)過稀時(shi)，不能形成液體摩擦(ca)的(de)(de)油(you)膜，金屑(xie)直接摩擦(ca)，所以(yi)發熱很快。
(4)鈾(you)瓦(wa)(wa)刮(gua)研(yan)不(bu)符合要求。軸(zhou)(zhou)瓦(wa)(wa)在(zai)刮(gua)研(yan)時，若瓦(wa)(wa)口(kou)刮(gua)研(yan)不(bu)夠(gou)量，與中空軸(zhou)(zhou)頸配(pei)合過緊；瓦(wa)(wa)面(mian)(mian)與軸(zhou)(zhou)頸接(jie)觸(chu)點過多，瓦(wa)(wa)面(mian)(mian)上未刮(gua)出(chu)油(you)(you)槽等，都會引起軸(zhou)(zhou)瓦(wa)(wa)發熱。因為磨機整個轉動(dong)部分的(de)重(zhong)量全(quan)部壓(ya)在(zai)軸(zhou)(zhou)承上，軸(zhou)(zhou)頸對軸(zhou)(zhou)瓦(wa)(wa)的(de)壓(ya)力很大，當軸(zhou)(zhou)瓦(wa)(wa)與軸(zhou)(zhou)頸配(pei)合過緊，或瓦(wa)(wa)面(mian)(mian)與軸(zhou)(zhou)頸接(jie)觸(chu)點過多或未留油(you)(you)槽時，潤(run)滑(hua)油(you)(you)無法進(jin)入接(jie)觸(chu)面(mian)(mian)，起不(bu)到潤(run)滑(hua)作用。處理的(de)辦法是檢(jian)查鈾(you)瓦(wa)(wa)刮(gua)研(yan)質量．重(zhong)新刮(gua)研(yan)，直至(zhi)符合技(ji)術(shu)要求為止。
(5)落(luo)人雜物(wu)。當礦漿或泥(ni)砂等雜物(wu)進入到軸(zhou)頸(jing)與(yu)軸(zhou)瓦的摩(mo)擦面，將嚴(yan)重(zhong)破壞軸(zhou)瓦與(yu)軸(zhou)頸(jing)的配合．使軸(zhou)瓦及軸(zhou)頸(jing)表面拉槽，摩(mo)擦加劇，引起發熱。處理的辦法(fa)是消除雜物(wu)，重(zhong)新刮研鈾瓦。
(1)潤滑(hua)油(you)(you)中斷(duan)或油(you)(you)量嚴重不足(zu)。斷(duan)油(you)(you)或少油(you)(you)的原因及處理辦法(fa)與上面討(tao)論的相同。
(2)潤滑油(you)過稠或(huo)過稀。主(zhu)(zhu)軸(zhou)承產生的(de)(de)熱量除少部分由金屬傳導出去外，大量的(de)(de)是靠潤滑油(you)帶走(zou)。當(dang)潤滑油(you)過稠時(shi)，流動性很差，不能及時(shi)把熱量帶走(zou)，引起主(zhu)(zhu)軸(zhou)承發熱。當(dang)潤滑油(you)過稀時(shi)，不能形成液體摩擦(ca)的(de)(de)油(you)膜，金屑(xie)直接摩擦(ca)，所以(yi)發熱很快。
潤滑油過(guo)稠或(huo)(huo)過(guo)稀(xi)是因為(wei)油的(de)(de)型(xing)號(hao)(hao)選(xuan)用不當，或(huo)(huo)油的(de)(de)型(xing)號(hao)(hao)基本適(shi)合，但氣溫過(guo)低致使油的(de)(de)稠度升(sheng)高．流動性(xing)差。處(chu)理的(de)(de)辦法(fa)是重新(xin)選(xuan)擇潤滑油，或(huo)(huo)停止供給冷卻(que)水(shui)或(huo)(huo)用加熱器加熱。
(3)潤(run)(run)(run)滑(hua)(hua)油變質(zhi)。潤(run)(run)(run)滑(hua)(hua)油變質(zhi)將失去其潤(run)(run)(run)滑(hua)(hua)性能，導致軸承發(fa)熱。處理的方法(fa)除更換潤(run)(run)(run)滑(hua)(hua)油外．還應將潤(run)(run)(run)滑(hua)(hua)部位、油管(guan)、油箱等進行清(qing)洗。(4)鈾(you)瓦(wa)(wa)刮(gua)研(yan)不(bu)符合要求。軸(zhou)(zhou)瓦(wa)(wa)在(zai)刮(gua)研(yan)時，若瓦(wa)(wa)口(kou)刮(gua)研(yan)不(bu)夠(gou)量，與中空軸(zhou)(zhou)頸配(pei)合過緊；瓦(wa)(wa)面(mian)(mian)與軸(zhou)(zhou)頸接(jie)觸(chu)點過多，瓦(wa)(wa)面(mian)(mian)上未刮(gua)出(chu)油(you)(you)槽等，都會引起軸(zhou)(zhou)瓦(wa)(wa)發熱。因為磨機整個轉動(dong)部分的(de)重(zhong)量全(quan)部壓(ya)在(zai)軸(zhou)(zhou)承上，軸(zhou)(zhou)頸對軸(zhou)(zhou)瓦(wa)(wa)的(de)壓(ya)力很大，當軸(zhou)(zhou)瓦(wa)(wa)與軸(zhou)(zhou)頸配(pei)合過緊，或瓦(wa)(wa)面(mian)(mian)與軸(zhou)(zhou)頸接(jie)觸(chu)點過多或未留油(you)(you)槽時，潤(run)滑(hua)油(you)(you)無法進(jin)入接(jie)觸(chu)面(mian)(mian)，起不(bu)到潤(run)滑(hua)作用。處理的(de)辦法是檢(jian)查鈾(you)瓦(wa)(wa)刮(gua)研(yan)質量．重(zhong)新刮(gua)研(yan)，直至(zhi)符合技(ji)術(shu)要求為止。
(5)落(luo)人雜物(wu)。當礦漿或泥(ni)砂等雜物(wu)進入到軸(zhou)頸(jing)與(yu)軸(zhou)瓦的摩(mo)擦面，將嚴(yan)重(zhong)破壞軸(zhou)瓦與(yu)軸(zhou)頸(jing)的配合．使軸(zhou)瓦及軸(zhou)頸(jing)表面拉槽，摩(mo)擦加劇，引起發熱。處理的辦法(fa)是消除雜物(wu)，重(zhong)新刮研鈾瓦。
以(yi)上介紹的(de)是挖沙船主軸(zhou)承溫度過(guo)高的(de)原因，希望對大家有所幫助。
The excessive temperature of the bearing sand owner may be caused by the following reasons:
(1) Oil interruption or serious shortage of oil. The reasons and treatments of oil breaking or less oil are the same as discussed above.
(2) Lubricating oil is too thick or too thin. The heat produced by the main bearings is carried out by the metal, and a lot of it is taken away by lubricating oil. When the lubricating oil is too thick, the fluidity is poor, can not take the heat away promptly, cause the main bearing fever. When the lubricating oil is too dilute, it can not form the liquid friction oil film, the gold chips directly rub, so fever quickly.
Lubricating oil is too thick or too dilute because the oil model is inappropriate, or the model of oil is basically suitable, but the temperature is too low to increase the consistency of oil. Poor liquidity. The solution is to re-select lubricating oils, or stop supplying cooling water or heating with heaters.
(3) Lubricating oil metamorphism. Lubricating oil deterioration will lose its lubrication performance, resulting in bearing fever. The method is treated except replacing lubricating oil. The lubrication parts, tubing, fuel tanks should also be cleaned.
(4) The Uranium tile scratch does not meet the requirements. Bearing in the scraping grind, if the tile mouth scraping insufficient quantity, with the hollow shaft neck tight; tile surface and axial neck contact point too much, tile surface not scraping oil trough, will cause the bearing heat. Because the grinding machine of the whole rotation part of the weight of the bearings on the bearing, the axial neck to the bearing pressure is very large, when the bearing with the shaft neck tight, or the tile surface with the shaft contact point too much or not leaving the oil trough, lubricating oil can not enter the contact surface, not to play the The method is to inspect the uranium tile scraping quality. Scratch the grind until it meets the technical requirements.
(5) Litter. When the pulp or mud sand and other debris enters the friction surface of the shaft neck and the bearing, it will severely destroy the match of the bearing and axle neck. The friction is aggravated by the pulling groove of the bearing and shaft neck surface, causing the fever. The solution is to eliminate debris and scratch uranium tiles.
The above mentioned is the reason for the high temperature of the sand owner bearing, hoping to help you.