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小型混凝土自動攪拌車抖動常見的原因是什么?
來源:http://www.hantestone.com發布日期:2021-07-24   瀏覽量:
 
怠速車身抖動是很多攪拌成司機常遇到的狀況。如果司機在啟動攪拌車或將攪拌車停駛未關閉發動機情況下,如果發現車身抖動明顯,那么可能意味著攪拌車存在下面三種狀況:
Idling body shaking is a common situation for many drivers. If the driver finds obvious body shaking when starting the mixer or stopping the mixer without turning off the engine, it may mean that the mixer has the following three conditions:
1.攪拌車發動機積碳嚴重
1. Serious carbon deposition in mixer engine
造成小型混凝土自動攪拌車抖動常見的原因就是節氣門過臟或噴油嘴積炭過多。當發動機內部的積碳過多時,冷啟動噴油頭噴出的汽油會被積碳大量吸收,導致冷啟動的混合氣過稀,使得啟動困難,這種狀況下,只有等到積碳吸收的汽油飽和,才容易著車,著車后吸附在積碳上的汽油又會被攪拌車發動機的真空吸力吸入汽缸內燃燒,又使混合氣變濃,攪拌車發動機的可燃混合氣時稀時濃,造成冷啟動后怠速抖動。氣溫越低,冷啟動所需要的油量越大,積碳的存在就越會影響冷啟動的順利與否。
The common causes of shaking of small concrete automatic mixer are dirty throttle or excessive carbon deposition at fuel injection nozzle. When there is too much carbon deposit inside the engine, the gasoline ejected from the cold start fuel injection head will be greatly absorbed by the carbon deposit, resulting in too thin cold start mixture, making it difficult to start. In this case, it is easy to start the car only when the gasoline absorbed by the carbon deposit is saturated. The gasoline adsorbed on the carbon deposit after landing will be sucked into the cylinder for combustion by the vacuum suction of the mixer engine, It also thickens the mixture, and the combustible mixture of the mixer engine is thin and thick, resulting in idle jitter after cold start. The lower the temperature, the greater the amount of oil required for cold start, and the existence of carbon deposition will affect the smooth cold start.
解決辦法:清洗油路,檢查怠速馬達是否有積碳應該清洗。
Solution: clean the oil circuit and check whether there is carbon deposit in the idle motor. It should be cleaned.
2.攪拌車點火系統問題
2. Ignition system of mixer truck
檢查一下火花塞、高壓導線和點火線圈的工作狀況,點火系統工作不好,火花塞跳火狀況不好同樣會導致這類故障現象。
Check the working conditions of spark plugs, high-voltage wires and ignition coils. Poor ignition system and poor spark plug jumping will also lead to such faults.
解決辦法:檢查火花塞是否積碳過多,更換火花塞。
Solution: check the spark plug for excessive carbon deposition and replace the spark plug.
3.攪拌車油壓不穩
3. Unstable oil pressure of mixer truck
如果已經清理過發動機積碳、洗過節氣門、換過油墊以及火花塞等,仍然發現怠速時車身抖動,建議您到修配廠檢查燃油供油壓力以及砼泵配件進氣壓力傳感器等是否正常,如果油泵供油壓力不正?;蜻M氣壓力傳感器數值錯誤和工作不好都會引發車身抖動。
It is recommended that you check whether the fuel supply pressure sensor and intake pump shake normally when the fuel supply is too high or the fuel supply pressure sensor is still not properly cleaned at idle speed. If the fuel supply pressure sensor and intake pump do not work properly, it is recommended that you check whether the fuel supply pressure sensor and intake pump shake when the engine is replaced.
攪拌車常見砼泵配件故障分析與解決
Failure analysis and solution of common concrete pump accessories of mixer truck
解決辦法:檢查油壓,必要時更換部件。
Solution: check the oil pressure and replace the parts if necessary.
4、攪拌車發動機部件老化
4. Aging of engine parts of mixer truck
小型混凝土自動攪拌車抖動還與引擎腳(又稱機爪墊)老化有關。引擎腳其實是攪拌車發動機的避震系統,引擎腳負責吸收發動機在運轉時候的細微抖動,如果引擎腳出現問題,這些震動就會傳到方向盤、駕駛室內,造成怠速時發生抖動。
The shaking of small concrete automatic mixer is also related to the aging of engine foot (also known as machine claw pad). The engine foot is actually the shock absorber system of the mixer engine. The engine foot is responsible for absorbing the slight jitter of the engine during operation. If there is a problem with the engine foot, these vibrations will be transmitted to the steering wheel and cab, resulting in jitter at idle speed.

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