多功能攪拌車在行駛的過程中會出現(xiàn)活塞敲缸的異響,下面為大家講解一下 多功能攪拌車這種情況的判斷,還有處理方法。
The multi-functional mixer in the process of driving will appear piston cylinder knock abnormal sound, the following for you to explain the multi-functional mixer this situation judgment, there are treatment methods.
產(chǎn)生活塞敲缸的主要原因有以下幾個(gè)方面:活塞同氣缸壁的間隙太大。WD615系列發(fā)動(dòng)機(jī)活塞裙部和氣缸的標(biāo)準(zhǔn)間隙為0.143-0.182,磨損極限為0.35—0.40。發(fā)動(dòng)機(jī)運(yùn)行一段時(shí)間后,氣缸活塞產(chǎn)生磨損,加之潤滑不好,活塞和氣缸的配合間隙由于磨損而增大,并在道氣環(huán)略下處出現(xiàn)較嚴(yán)重的臺階,使活塞敲擊氣缸發(fā)出異響。活塞裙部和氣缸在運(yùn)行一段時(shí)間以后,磨損嚴(yán)重,造成嚴(yán)重失圓而敲缸。個(gè)別連桿由于種種原因產(chǎn)生變形,造成活塞偏磨,間隙變大而敲缸。活塞敲缸會導(dǎo)致發(fā)動(dòng)機(jī)燃油消耗過高、發(fā)動(dòng)機(jī)竄機(jī)油、機(jī)油耗量多、經(jīng)濟(jì)性差。當(dāng)活塞敲缸嚴(yán)重時(shí),還會拉碎活塞,打壞氣缸,以致于連桿斷裂,打壞氣缸體。
The main reasons for piston knocking are as follows: the gap between piston and cylinder wall is too large. The standard clearance between piston skirt and cylinder of WD615 Series engine is 0.143-0.182, and the maximum wear limit is 0.35-0.40. After the engine has been running for a period of time, the cylinder piston is worn, and the lubrication is not good. The fit clearance between the piston and the cylinder increases due to wear, and serious steps appear at the lower part of the first gas ring, which makes the piston knock the cylinder and make abnormal noise. After running for a period of time, piston skirt and cylinder wear seriously, causing serious out of round and knocking cylinder. Some connecting rods are deformed due to various reasons, resulting in eccentric wear of piston, larger clearance and knocking cylinder. Piston knocking will lead to high fuel consumption, engine oil channeling, high oil consumption and poor economy. When the piston knocks the cylinder seriously, it will break the piston and damage the cylinder, so that the connecting rod is broken and the cylinder block is damaged.
活塞敲缸的判斷方法:
Judgment method of piston knocking:
(1)逐缸斷油:采取逐缸斷油的方法來確定敲缸的位置,如果斷油某缸時(shí),聲音明顯的減小或者消失,而當(dāng)恢復(fù)供油時(shí)能聽到明顯的“嗒嗒”聲,說明該缸活塞敲缸。
(1) Cylinder by cylinder oil cut off: the method of cylinder by cylinder oil cut-off is adopted to determine the position of cylinder knocking. If the oil cut-off reaches a certain cylinder, the sound obviously decreases or disappears, and when the oil supply is restored, an obvious "click" sound can be heard, indicating that the cylinder piston is knocking.
(2)為了進(jìn)一步證實(shí)該缸活塞敲缸,可以將該缸的噴油器卸下來,向氣缸內(nèi)加入少量的CD級中增壓機(jī)油(起密封作用),再裝好噴油器,發(fā)動(dòng)發(fā)動(dòng)機(jī),敲擊聲消失或者減弱,運(yùn)行一會敲擊聲再度出現(xiàn),則是該缸活塞敲缸無疑。
(2) In order to further confirm the piston knocking of this cylinder, the fuel injector of the cylinder can be removed, a small amount of CD grade medium booster oil can be added into the cylinder (for sealing effect), and then the injector is installed to start the engine. The knocking sound disappears or weakens. After running for a while, the knocking sound appears again, which is undoubtedly the cylinder piston knocking.
多功能攪拌車
Multi function mixer
遇到活塞敲缸可以采用以下方法處理:
In case of piston knocking, the following methods can be adopted:
(1)發(fā)動(dòng)機(jī)起動(dòng)后,低溫運(yùn)行時(shí)有敲擊聲,溫度正常后,聲音消失,可以暫不處理,繼續(xù)運(yùn)行。
(1) After the engine is started, there is knocking sound when it is running at low temperature. When the temperature is normal, the sound disappears, so it can be left untreated and continue to run.
(2)發(fā)動(dòng)機(jī)溫度正常時(shí),有明顯的敲擊聲,應(yīng)盡量避免高速運(yùn)行,盡快拆卸維修。
(2) When the engine temperature is normal, there will be obvious knocking sound. It should be avoided to run at high speed as far as possible, and the engine should be disassembled and repaired as soon as possible.
(3)拆下氣缸蓋,抽出活塞以后,發(fā)現(xiàn)氣缸嚴(yán)重失圓、拉傷,或者活塞和氣缸的間隙太大,應(yīng)進(jìn)行更換,更換氣缸套、活塞及活塞環(huán)。
(3) After removing the cylinder head and pulling out the piston, it is found that the cylinder is seriously out of roundness, strained, or the gap between the piston and the cylinder is too large. Replace the cylinder sleeve, piston and piston ring.
(4)如果發(fā)現(xiàn)(混泥土攪拌車)連桿變形,應(yīng)盡量更換。
(4) If the connecting rod is deformed, it should be replaced as much as possible.
以上就是小編為大家介紹的多功能攪拌車活塞敲缸異響的有關(guān)知識,希望能給大家?guī)韼椭?/div>
The above is the introduction of the small multi-function mixer piston knock cylinder noise related knowledge, I hope to bring you help.
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