Diesel engine oil pressure low linkage protection alarm device matching hydraulic coupler reduction gearbox

• Main Authors: CHENG JIANGUO, LIU LEI, PAN YUEMING, ZUO BIN, LIU ZHONGGUO, ZHANG JIPING, LIU MAOXUE, LI JUN, GUO XINGMIN, ZANG TIANXING, YU GUANGXING
• Format: Patent
• Language: Chinese; English
• Published: 10.10.2012
• Subjects: BLASTING; CRANKCASE VENTILATING; ENGINE PLANTS IN GENERAL; HEATING; LIGHTING; LUBRICATING INTERNAL COMBUSTION ENGINES; LUBRICATING OF MACHINES OR ENGINES IN GENERAL; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ENGINES; WEAPONS

The utility model relate to a diesel engine oil pressure low linkage protection alarm device matching a hydraulic coupler reduction gearbox. The technical scheme of the diesel engine oil pressure low linkage protection alarm device matching the hydraulic coupler reduction gearbox includes that an oil control valve assembly is mainly composed of an air inlet end of the oil control valve, an air outlet end of the oil control valve and an oil inlet end of the oil control valve; the oil inlet end of the oil control valve is connected with a main oil passageway of a diesel engine, the air inlet end of the oil control valve is communicated with a main gas pipe, a circuit is formed between the air outlet end of the oil control valve and the air inlet end of the oil control valve and controlled through an air inlet and outlet circuit valve; the air outlet end of the oil control valve is connected with control gas of a normally open gas supply device, an air inlet valve of the normally open gas supply device controls