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攪拌機活塞聲音異常的處理方法
來源:http://www.wtiqradio.com發布日期:2021-04-13   瀏覽量:
 
活塞敲打氣缸的主要原因如下:活塞和氣缸壁之間的間隙太大。WD615系列發動機的活塞裙和氣缸之間的標準間隙為0.143-0.182,磨損極限為0.35-0.40。
The main reasons for the piston striking the cylinder are as follows: the gap between the piston and the cylinder wall is too large. The standard clearance between piston skirt and cylinder of WD615 Series engine is 0.143-0.182, and the wear limit is 0.35-0.40.
發動機運轉一段時間后,氣缸活塞磨損并且潤滑不良?;钊蜌飧字g的匹配間隙由于磨損而增大,并且在氣環中略微出現嚴重的臺階,從而導致活塞撞擊氣缸。聲音異常。經過一段時間的使用后,活塞裙和缸體嚴重磨損,嚴重倒圓并沖擊缸體。
After the engine runs for a period of time, the cylinder piston is worn and the lubrication is poor. The matching gap between the piston and the cylinder increases due to wear, and a serious step appears slightly in the first gas ring, resulting in the piston hitting the cylinder. The sound is abnormal. After a period of use, the piston skirt and cylinder block are seriously worn, seriously rounded and impacted.
每個連桿由于各種原因而變形,導致活塞偏心,間隙變大,氣缸受到撞擊?;钊鸶讜е掳l動機油耗過多,發動機油耗降低,油耗降低和經濟效益提高。當活塞嚴重撞擊汽缸時,它將拉動活塞并使汽缸破裂,從而導致連桿斷裂并損壞汽缸體。
Each connecting rod is deformed due to various reasons, resulting in eccentric piston, larger clearance and impact on the cylinder. Piston knock cylinder will lead to excessive fuel consumption, low fuel consumption and economic benefit. When the piston hits the cylinder seriously, it will pull the piston and break the cylinder, which will cause the connecting rod to break and damage the cylinder block.
判斷活塞爆炸的方法:
The method to judge piston explosion is as follows
(1)逐缸切削油:逐缸方法用于確定噴砂缸的位置。如果將油切到某個氣缸,聲音會大大降低或消失,并且在恢復供油時可以清晰聽到。“喀噠”聲表示氣缸活塞撞擊氣缸。
(1) Cylinder by cylinder cutting oil: the cylinder by cylinder method is used to determine the position of the sandblasting cylinder. If the oil is cut to a certain cylinder, the sound will be greatly reduced or disappeared, and can be heard clearly when the oil supply is restored. A "click" sound indicates that the piston of the cylinder hits the cylinder.
(2)為了進一步確認氣缸活塞被撞,可以將氣缸的噴油器卸下,向氣缸中添加少量的CD級增壓油(密封件),安裝噴油器,并裝上發動機開始。敲擊聲消失或減弱。手術后,再次有敲門聲,毫無疑問,它敲擊了汽缸的活塞。
(2) In order to further confirm that the cylinder piston has been hit, the fuel injector of the cylinder can be removed, a small amount of CD grade booster oil (seal) can be added to the cylinder, the fuel injector can be installed, and the engine can be installed. The knocking sound disappears or weakens. After the operation, there was another knock on the door, which undoubtedly knocked on the piston of the cylinder.
對于活塞缸,可以使用以下方法:
For piston cylinders, the following methods can be used:
(1)發動機啟動后,在低溫下運轉時,發動機會發出爆震聲。溫度恢復正常后,聲音消失,可以暫時進行處理,而無需進一步處理。
(1) After the engine starts, when it runs at low temperature, the engine will make a knock sound. After the temperature returns to normal, the sound disappears and can be processed temporarily without further processing.
(2)當發動機溫度正常時,會有明顯的爆震聲。盡量避免高速操作,拆卸和維護。
(2) When the engine temperature is normal, there will be obvious knock sound. Avoid high speed operation, disassembly and maintenance as far as possible.
(3)拆下氣缸蓋并拔出活塞后,發現氣缸嚴重掉落或變形,或活塞與氣缸之間的間隙過大,應將氣缸套,活塞和活塞環拉緊。更換。
(3) After removing the cylinder head and pulling out the piston, if the cylinder is seriously dropped or deformed, or the gap between the piston and the cylinder is too large, the cylinder liner, piston and piston ring should be tightened. Replace.
(4)如果發現(混凝土攪拌機)的連桿變形,則應盡可能更換。
(4) If the connecting rod of (concrete mixer) is found to be deformed, it should be replaced as far as possible.
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