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攪拌車的換向閥存在故障怎么

來源:http://f3328.cn/ 日期:2022-09-17 發(fā)布人:admin
水泥自上料攪拌車是由多個(gè)部件組成的,比如專用車底盤、上裝罐體、液壓系統(tǒng)、副車架、換向閥等等,其中換向閥也會(huì)偶爾出現(xiàn)故障,比如閥不能換向或換向動(dòng)作緩慢,氣體泄漏,電磁先導(dǎo)閥有故障等等,下面小編就給大家介紹一下這些故障的方法。
The cement self feeding mixer is composed of many parts, such as the chassis of the special vehicle, the upper tank, the hydraulic system, the subframe, the reversing valve, etc. The reversing valve also occasionally fails, such as the valve cannot reverse or the reversing action is slow, gas leakage, and the electromagnetic pilot valve has faults. The following brief section will introduce the solutions to these faults.
1、水泥自上料攪拌車的換向閥不能換向或者換向動(dòng)作緩慢,一般是因潤滑不良、彈簧被卡住或損壞、油污或雜質(zhì)卡住滑動(dòng)部分等原因引起的。此時(shí),我們應(yīng)先檢查油霧器的工作是否正常,潤滑油的粘度是否合適。必要時(shí),應(yīng)更換潤滑油,清洗換向閥的滑動(dòng)部分,或更換彈簧和換向閥。
1. The change-over valve of the cement self feeding mixer can not change direction or the reversing action is slow, which is generally caused by poor lubrication, stuck or damaged springs, and stuck sliding parts by oil or impurities. At this time, we should first check whether the operation of the oil atomizer is normal and whether the viscosity of the lubricating oil is appropriate. If necessary, replace the lubricating oil, clean the sliding part of the reversing valve, or replace the spring and reversing valve.
2、水泥自上料攪拌車的換向閥經(jīng)長時(shí)間使用后容易出現(xiàn)閥芯密封圈磨損、閥桿和閥座損傷的現(xiàn)象,導(dǎo)致閥內(nèi)氣體泄漏,閥的動(dòng)作緩慢或不正常換向等故障。此時(shí),需要更換密封圈、閥桿和閥座,或?qū)Q向閥換新。
2. After being used for a long time, the reversing valve of the cement self feeding mixer is prone to wear of the valve core seal ring, damage of the valve stem and valve seat, resulting in gas leakage in the valve, slow action of the valve or abnormal reversing and other failures. At this time, it is necessary to replace the sealing ring, valve rod and valve seat, or replace the reversing valve.
水泥自上料攪拌車
3、若電磁先導(dǎo)閥的進(jìn)、排氣孔被油泥或其他雜物堵塞,封閉不嚴(yán),活動(dòng)鐵芯被卡死,電路有故障等,均可導(dǎo)致?lián)Q向閥不能正常換向,對于前三種情況應(yīng)清洗先導(dǎo)閥及活動(dòng)鐵芯上的油泥和雜質(zhì),而電路故障一般又可分為電路故障和電磁線圈故障兩類。
3. If the inlet and outlet holes of the solenoid pilot valve are blocked by oil sludge or other impurities, the sealing is not tight, the movable iron core is stuck, and the circuit has faults, etc., the directional valve can not reverse normally. For the first three cases, the oil sludge and impurities on the pilot valve and movable iron core should be cleaned, and the circuit faults can generally be divided into circuit faults and solenoid coil faults.
在檢查電路故障之前,要先將換向閥的手動(dòng)旋鈕轉(zhuǎn)動(dòng)幾下,看換向閥在額定的氣壓下是否正常換向,若能正常換向,則是電路有故障;
Before checking the circuit fault, turn the manual knob of the reversing valve a few times to see whether the reversing valve reverses normally under the rated air pressure. If it can reverse normally, the circuit is faulty;
檢查時(shí),可以用儀表測量電磁線圈的電壓,看是否達(dá)到了額定電壓,如果電壓過低,應(yīng)進(jìn)一步檢查控制電路中的電源和相關(guān)聯(lián)的行程開關(guān)電路。
During the inspection, the instrument can be used to measure the voltage of the solenoid coil to see whether the rated voltage is reached. If the voltage is too low, further check the power supply in the control circuit and the associated travel switch circuit.
如果在額定電壓下?lián)Q向閥不能正常換向,則應(yīng)檢查電磁圈的接頭是否松動(dòng)或接觸不實(shí),檢查方法:拔下插頭,測量線圈的阻值(一般應(yīng)在幾百歐姆幾千歐姆之間),如果阻值太大或太小,說明電磁線圈已損壞,需要更換。
If the reversing valve can not reverse normally under the rated voltage, check whether the connector of the solenoid coil is loose or not in contact. Check method: unplug the plug and measure the resistance of the coil (generally between several hundred ohms and several thousand ohms). If the resistance is too large or too small, the solenoid coil is damaged and needs to be replaced.
本公司是一家擁有多年工程機(jī)械研發(fā)與銷售經(jīng)驗(yàn)的工程機(jī)械企業(yè),不斷致力于產(chǎn)品的技術(shù)研發(fā)。如果您對這類攪拌車有需求或者有什么使用問題,可以隨時(shí)來我們網(wǎng)站http://f3328.cn進(jìn)行咨詢了解!
The company is a construction machinery enterprise with many years of experience in R&D and sales of construction machinery, and is constantly committed to product technology research and development. If you have any demand for this type of mixer or have any use problems, you can come to our website at any time http://f3328.cn Ask about it!

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