Long-term stagnation intermittent use diesel engine external safe intelligent lubrication system and method
A lubricating system and diesel engine technology, which is applied in the field of long-term stagnation and intermittent use of diesel engine external safety intelligent lubrication system, can solve the problems of turbocharger turbine part failure, unable to provide lubricating oil, etc., to prevent wear failure, protect lubrication, avoid glitch effect
Active Publication Date: 2021-11-12
TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1
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Problems solved by technology
When the diesel engine is shut down, the turbocharger turbine still runs at high speed for a period of time due to inertia. During this period of time, the turbine needs oil lubrication, but the diesel engine oil pump has stopped working and cannot provide lubricating oil, which will cause the turbine part of the turbocharger to fail.
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[0014] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0015] Such as figure 1 As shown, the present invention discloses a safe intelligent lubricating system for long-term stagnation and intermittent use of diesel engines, including the original lubricating system for diesel engines used for normal lubrication in the process of re-running after the vehicle is started, and also includes a lubricating system for the internal friction parts of the diesel engine. An external safe intelligent lubrication system outside the pre-lubrication and delayed lubrication and arranged outside the diesel engine, the external safe intelligent lubrication system includes a pneumatic oil pump 8, a reversing valve 6, an air source 1 and a diesel engine starting device 5, Air engine oil pump 8 and machine oil pump 12 are arranged in parallel, and air engine oil pump 8 is connected in parallel with first relief valve 7, and the contr...
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The invention belongs to the technical field of explosion-proof diesel engine lubrication systems. When a diesel engine parked for a long time is restarted, each friction part is in a dry friction state, which will scratch the large and small bearing bushes. Fault, the present invention provides an external safe intelligent lubrication system and method for long-term stagnation and intermittent use of diesel engines. The reversing valve is connected to the air source, and the air source is also connected to the diesel engine starting device. The lubrication system is connected to the lubrication system of the original machine, which is used to monitor the lubrication inside the diesel engine body for long-term stagnation and intermittent use. When the oil pressure of the diesel engine is abnormal Start the lubrication system immediately to protect the lubrication of various parts in the diesel engine and avoid failures.
Description
technical field [0001] The invention relates to explosion-proof diesel engine lubricating system technology, more specifically, relates to an external safe and intelligent lubricating system and method for a long-term stagnant intermittent use diesel engine. Background technique [0002] The working conditions of heavy-duty explosion-proof vehicles in the underground coal mine are harsh, and the warehouse is parked for a long time. When the vehicle is started again, the friction parts inside the diesel engine are in a dry friction state. Generally, it is used 2 to 3 times a year, each time in January. About; the rest of the time is about 9 to 10 months in a state of suspension in the warehouse. The original oil film of the internal friction parts of the diesel engine has already failed; the oil filter element is placed outside the vehicle where it is convenient to replace, and the oil filter element is connected to the diesel engine through a long rubber hose, the length of ...
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IPC IPC(8): F01M1/02F01M1/16F01M1/18F01M1/20
CPCF01M1/02F01M1/16F01M1/18F01M1/20F01M2001/0207
Inventor 杨建勇何景强陈利东王晓郭培燕仇博周开平姚志功赵瑞萍马艳卫柳玉龙贾二虎兰春亮陈贤忠李智伟
Owner TAIYUAN INST OF CHINA COAL TECH & ENG GROUP