Analysis of common faults of automobile engine training bench
The automobile teaching equipment manufacturer Zhongcai teaching equipment helps you analyze the common fault operations of the automobile engine training platform and the details that need to be paid attention to.
After using the mechanical drawing teaching model to design a complete, attention should be paid to the operation, especially the following points:
Prevent air from mixing in the oil of the car engine training bench. The oil in the car engine training bench is incompressible, but the air is very compressible. Even if the system contains a small amount of air, its influence is very large.
When the pressure is low, the air dissolved in the oil will escape from the oil to form bubbles and form cavitation; in the high pressure area, under the impact of the pressure, these bubbles are quickly broken and sharply affected. Compression makes the system noisy.
At the same time, when the gas is suddenly compressed, a large amount of heat energy will be released, which will cause local heating, damage the equipment components and gasoline, cause unstable operation, and sometimes cause shock vibration. Therefore, air must be prevented from entering the vehicle engine training bench.
specific methods:
1. Avoid oil pipe rupture, loose joints, and damage to seals;
2. When refueling, avoid inappropriately dumping down;
3. Insert the oil return pipe below the oil level;
4. Avoid the blockage of the oil filter at the entrance of the car engine training platform, which will increase the oil absorption resistance and cannot separate the air dissolved in the oil.
To prevent the gasoline temperature in the car engine training bench from being too high, the working temperature of the oil in the training bench system is generally better in the range of 30 ℃ ~ 80 ℃, and attention must be paid to prevent the oil temperature from being too high during use.
If the oil level in the fuel tank is not enough, the heat dissipation performance of the gasoline cooler is poor, the system efficiency is too low, the component capacity is small, the flow rate is too high, and the viscosity of the oil selected is incorrect, all of them will cause the oil temperature to rise too fast.
High viscosity will increase the energy loss when the oil flows, and low viscosity will increase leakage. Therefore, if you can pay attention to and check these problems during use, you can prevent the oil temperature from being too high.
In addition, regular filtration of gasoline and regular physical performance inspection can not only ensure the working performance of the training bench system, but also reduce the wear and corrosion of equipment components, and prolong the service life of oil and equipment components.
Ensure the cleanliness of gasoline in the vehicle engine training bench. Correctly use the calibrated and required gasoline and its corresponding substitutes to prevent the intrusion of dirt and impurities into the gasoline.
Because gasoline is both a working medium and a lubricant in the transmission system, the cleanliness of the oil has a great influence on the performance of the system, and on the reliability, safety, efficiency and service life of components.
The matching precision of the equipment components is extremely high, and the reaction is more sensitive to the deposition, blockage, abrasion and corrosion caused by the dirt and impurities in the oil. The main reasons for the intrusion of dirt impurities into gasoline:
1. The exterior of the actuator is not clean;
2. Not paying attention when checking the oil level;
3. Do not filter with a 120-mesh filter when refueling;
4. The containers and utensils used are not clean;
5. Seriously worn and damaged seals cannot be replaced in time;
6. When inspecting and repairing, the rust impurities generated by the welding of hot bend pipes and joints are not cleaned up;
7. Improper storage of oil, etc.
In the process of use, inspection and repair, attention should be paid to solving these problems to reduce and prevent the occurrence of system failures of automobile engine training bench.
