铜业工程
銅業工程
동업공정
COPPER ENGINEERING
2014年
4期
74-76
,共3页
QSK60发动机%冷却系统%工作原理%故障分析%检修方法
QSK60髮動機%冷卻繫統%工作原理%故障分析%檢脩方法
QSK60발동궤%냉각계통%공작원리%고장분석%검수방법
QSK60 engine%cooling system%operating principle%failure analysis%maintenance method
发动机冷却系统的作用是保证发动机在最为适宜的温度范围内工作。当发动机冷却系统发生故障时，发动机会过热或过冷，以致产生发动机功率下降、燃油消耗率增加和工作不平稳等不良现象，严重时产生受力零件损坏、活塞卡缸或拉缸等现象。康明斯QSK60发动机冷却系统采用双泵双循环回路结构，通过阐述其工作原理，结合工作中实践经验，对冷却系统故障的原因进行分析并提出相应的检修方法。
髮動機冷卻繫統的作用是保證髮動機在最為適宜的溫度範圍內工作。噹髮動機冷卻繫統髮生故障時，髮動機會過熱或過冷，以緻產生髮動機功率下降、燃油消耗率增加和工作不平穩等不良現象，嚴重時產生受力零件損壞、活塞卡缸或拉缸等現象。康明斯QSK60髮動機冷卻繫統採用雙泵雙循環迴路結構，通過闡述其工作原理，結閤工作中實踐經驗，對冷卻繫統故障的原因進行分析併提齣相應的檢脩方法。
발동궤냉각계통적작용시보증발동궤재최위괄의적온도범위내공작。당발동궤냉각계통발생고장시，발동궤회과열혹과랭，이치산생발동궤공솔하강、연유소모솔증가화공작불평은등불량현상，엄중시산생수력령건손배、활새잡항혹랍항등현상。강명사QSK60발동궤냉각계통채용쌍빙쌍순배회로결구，통과천술기공작원리，결합공작중실천경험，대냉각계통고장적원인진행분석병제출상응적검수방법。
The function of engine cooling system is to ensure the engine is working under the most suitable temperature rang. En-gine overheating or undercooling problem will appear when engine cooling system has fault, and it will lead to engine power reduction, fuel consumption rate increase and unstable operation, and even cause loaded parts damage, piston stuck in the cylinder or piston scraping when the problem gets worse. The cooling system of Cummins QSK60 engine adopts double pumps and dual cycle loop struc-ture. This article illustrates the working principle, analyzes the failure causes of cooling system and puts forward the corresponding ma-intenance method according to the practical experience.
