概述：自動(dòng)攪拌車(chē)正常的噪音是沒(méi)有問(wèn)題的，但假如攪拌車(chē)發(fā)生不正常的噪音，那便是車(chē)輛的某個(gè)部位出現問(wèn)題了，在自拌混凝土攪拌車(chē)，液壓體系出現異
自動(dòng)攪拌車(chē)正常的噪音是沒(méi)有問(wèn)題的，但假如攪拌車(chē)發(fā)生不正常的噪音，那便是車(chē)輛的某個(gè)部位出現問(wèn)題了，在自拌混凝土攪拌車(chē)，液壓體系出現異常噪音比較多，一起來(lái)看看攪拌車(chē)液壓體系的噪音辦法。攪拌車(chē)液壓體系發(fā)生噪音主要是先導閥功用不穩定構成的，便是先導閥前腔壓力高頻振蕩引起空氣振蕩而發(fā)生的噪音。
自動(dòng)攪拌車(chē)液壓溢流閥引發(fā)噪音的原因及辦法：
Automatic mixer normal noise is no problem, but if the mixer abnormal noise, it is a part of the vehicle problems, in the self mixing concrete mixer, hydraulic system abnormal noise more, let's see the mixer hydraulic system noise solutions. The noise of the mixer hydraulic system is mainly caused by the unstable function of the pilot valve, that is, the noise caused by the air oscillation caused by the high frequency oscillation of the pressure in the front chamber of the pilot valve. Causes and solutions of noise caused by hydraulic relief valve of automatic mixer truck:
1. 油液中混入空氣，在先導閥前腔內構成氣穴現象而引發(fā)高頻噪音，此刻要做的便是及時(shí)的排盡空氣并防止外界空氣的進(jìn)入。
1. Air mixed in the oil will form cavitation phenomenon in the front chamber of the pilot valve and cause high-frequency noise. What we need to do now is to exhaust the air in time and prevent the outside air from entering.
2. 針閥在使用過(guò)程中因頻頻敞開(kāi)而過(guò)度磨損，使針閥錐面與閥座不能密合，構成先導流量不穩定，發(fā)生壓力動(dòng)搖而引發(fā)噪音，此刻應及時(shí)修補或許替換針閥。
2. The needle valve is excessively worn due to frequent opening during use, so that the cone surface of the needle valve and the valve seat can not be closed, resulting in unstable pilot flow and noise caused by pressure fluctuation. At this moment, the needle valve should be repaired or replaced in time.
3. 先導閥因繃簧疲勞變形構成其調壓功用不穩定，使得壓力動(dòng)搖大而引發(fā)噪音，此刻需求替換繃簧。
3. The pressure regulating function of the pilot valve is unstable due to the fatigue deformation of the tension spring, which makes the pressure fluctuate greatly and causes noise. At this moment, the tension spring needs to be replaced.
自拌混凝土攪拌車(chē)液壓油缸噪音原因及辦法：
Causes and solutions of hydraulic cylinder noise of self mixing concrete mixer truck:
1. 油液中混入空氣或許液壓缸中空氣未徹底排盡，在高壓作用下發(fā)生氣穴現象而引發(fā)較大噪音，此刻應盡快排盡空氣。
1. Air is mixed in the oil, or the air in the hydraulic cylinder is not completely exhausted. Cavitation occurs under the action of high pressure, which causes large noise. At this moment, exhaust the air as soon as possible.
2. 缸頭油封過(guò)緊或活塞桿曲折，在運行過(guò)程中也會(huì )因為別勁而發(fā)生噪音，此刻有必要替換油封或許校正活塞桿。
2. If the oil seal of the cylinder head is too tight or the piston rod is bent, the noise will also occur during the operation because of other strength. At this moment, it is necessary to replace the oil seal or correct the piston rod.
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