The use of the fully automatic high-pressure cleaning machine, the volume of the high-pressure pump, the frequency of maintenance, and the standardization of operation all affect its normal operation. Most faults in high-pressure cleaning machines occur during use, so in order to avoid the root cause of the fault, it is necessary to adhere to standardized operation during the operation of the high-pressure cleaning machine equipment and monitor its operation at any time to prevent the high-pressure automatic cleaning machine from being unable to find the cause of the fault on-site. Generally, if there is a malfunction in the automatic high-pressure cleaning machine equipment, the reasons should be analyzed from the water supply, power end, and hydraulic end.

供水主要是從供水壓力、流量等情況分析。足夠的供水壓力和流量可以避免高壓清洗泵液力端內(nèi)出現(xiàn)負(fù)壓抽空、氣泡爆裂、氣蝕閥口的狀態(tài)從而使高壓泵的閥片和閥座的壽命得到保證。壓力主要是觀測(cè)壓力表觀察設(shè)備的壓力表是否是設(shè)備設(shè)定的額定壓力。觀測(cè)流量是否足夠時(shí)要在高壓清洗泵工作轉(zhuǎn)速下檢測(cè)因?yàn)橛袝r(shí)候供水流量略有不足清洗泵的轉(zhuǎn)速比較低情況下會(huì)出現(xiàn)假性流量充足高壓清洗機(jī)在這種狀態(tài)下工作會(huì)對(duì)高壓泵造成非常嚴(yán)重的傷害。一般來說引起供水流量不足的原因有兩種一種是供水中雜質(zhì)比較多沒有按照規(guī)定經(jīng)常清洗進(jìn)水濾網(wǎng)供水雜質(zhì)僅會(huì)堵塞過濾器、硌傷閥口閥片使高壓清洗泵的閥座壽命大大降低。同時(shí)還會(huì)出現(xiàn)假性供水不足、泵組抖動(dòng)的現(xiàn)象。另一種原因是地區(qū)性供水壓力不足不穩(wěn)定影響供水。

Water supply is mainly analyzed based on water supply pressure, flow rate, and other factors. Adequate water supply pressure and flow rate can prevent negative pressure evacuation, bubble bursting, and cavitation of the valve port in the hydraulic end of the high-pressure cleaning pump, thereby ensuring the service life of the valve disc and valve seat of the high-pressure pump. Pressure mainly refers to observing whether the pressure gauge of the equipment is the rated pressure set by the equipment. When observing whether the flow rate is sufficient, it should be tested at the working speed of the high-pressure cleaning pump because sometimes the water supply flow rate is slightly insufficient. When the cleaning pump's speed is relatively low, there may be false sufficient flow rate. Working in this state of the high-pressure cleaning machine can cause very serious damage to the high-pressure pump. Generally speaking, there are two reasons for insufficient water supply flow. One is that there are too many impurities in the water supply and the inlet filter screen is not cleaned regularly according to regulations. Impurities in the water supply only block the filter and damage the valve plate at the valve port, greatly reducing the valve seat life of the high-pressure cleaning pump. At the same time, there may also be false water shortage and pump group shaking. Another reason is the insufficient and unstable regional water supply pressure, which affects water supply.

動(dòng)力端主要是檢查高壓清洗泵的轉(zhuǎn)速、主軸承、曲軸軸承、油冷器的溫度、高壓泵潤(rùn)滑油的油量、質(zhì)量（是否按要求更換）密封墊設(shè)備的振幅等。

The power end mainly checks the speed of the high-pressure cleaning pump, the temperature of the main bearings, crankshaft bearings, oil coolers, the amount of lubricating oil in the high-pressure pump, the quality (whether it is replaced as required), and the amplitude of the sealing gasket equipment.

液力端主要檢查進(jìn)排液閥、調(diào)壓閥、閥芯閥座等。進(jìn)排液閥如果關(guān)閉不嚴(yán)或者調(diào)壓密封出現(xiàn)故障會(huì)造成供水內(nèi)漏流量減小壓力下降。閥芯閥座如果損壞關(guān)閉不嚴(yán)也會(huì)造成溢流口泄水壓力下降。

The hydraulic end mainly checks the inlet and outlet valves, pressure regulating valves, valve core valve seats, etc. If the inlet and outlet valves are not tightly closed or the pressure regulating seal fails, it will cause a decrease in the internal leakage flow rate of the water supply and a decrease in pressure. If the valve core and valve seat are damaged and not tightly closed, it can also cause a decrease in the pressure of the overflow outlet.

柱塞和密封出現(xiàn)問題也會(huì)影響高壓清洗機(jī)設(shè)備的使用如果柱塞表面不平整或者柱塞表面長(zhǎng)時(shí)間發(fā)熱會(huì)造成密封溫度過高使柱塞和密封間隙過大出現(xiàn)漏水現(xiàn)象。

Problems with the plunger and seal can also affect the use of high-pressure cleaning machine equipment. If the surface of the plunger is uneven or the plunger surface heats up for a long time, it can cause high sealing temperature, resulting in large gaps between the plunger and seal and water leakage.

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