Engine tilt test method and tilt test bed

Abstract

The invention relates to the field of engine testing, in particular to an engine tilt test method and a tilt test bed. The method includes the steps of A, adjusting the tilt test bed to the horizontal position, mounting an engine onto the tilt test bed at a vehicle mounting angle, and connecting an oil-gas separation bottle at a PCV (Polyvinylchlorid) pipe connector; B, emptying oil in the engine and re-filling new oil; C, starting a heat engine of the engine to enable the oil temperature and coolant temperature to be 100+-5 DEG C, and enabling the heat engine to continuously operate for 10 minutes to obtain the stable oil temperature and oil pressure; D, accelerating the engine to enter the working condition to be tested; E, adjusting tilt angles of the engine sequentially, enabling the engine to stably operate for 60 seconds, and observing whether the oil pressure alarm occurs. The engine tilt test method and the tilt test bed has the advantages of being capable of simulating the impact of engine oil insufficiency on the acceleration including the acceleration for turning, braking or forward moving of a vehicle to determine the maximum achievable acceleration of the vehicle in the engine oil insufficiency state as well as the lubricating oil supply conditions, the oil-gas separation effects and the ultimate tilt angle when the engine is at different tilt angles.

Description

technical field [0001] The invention relates to the field of engine testing, in particular to an engine tilt test method and a tilt test stand. Background technique [0002] At present, the engine has been verified by various tests, such as durability test, reliability test, performance test, NVH test, etc., but the tilt test has not been carried out on the whole machine, and it is impossible to simulate the uphill, downhill and inclined slope of the engine. state of the road. Therefore, there is no way to understand the effect on vehicle acceleration (turning, braking, or forward acceleration) when low oil is present, or to determine the maximum acceleration a vehicle can achieve when low oil is present. In the initial stage of engine development, it is impossible to understand the supply of lubricating oil and the effect of oil-gas separation under different inclination angles of the engine, and it is also impossible to predict the limit inclination angle that the engine ...

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Problems solved by technology

[0002] At present, the engine has been verified by various tests, such as durability test, reliability test, performance test, NVH test, etc., but the tilt test has not been carried out on the whole machine, and it is impossible to simulate the uphill, downhill and inclined slope of the engine. state of the road

Therefore, it is not possible to understand the effect of low oil on the vehicle's acceleration (turning, braking, or forward acceleration), nor to determine the maximum acceleration the vehicle can

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