Principle analysis of lubricating oil hydraulic system of wheeled small loader

[DIG-DOG]

1, wheeled small loader has a power system, (transmission system), (steering hydraulic system), working device and frame, working device and hydraulic system, (braking system), (electrical system) composition. The transmission system is composed of (hydraulic torque converter), (gearbox), transmission shaft, drive axle and so on. The braking system consists of (parking brake), (service brake) and (emergency brake). The driving axle of the loader is mainly composed of (main transmission), (differential), (axle housing), (half shaft), (clamp disc brake), (wheel edge reducer), (rim), (tire), etc. The main transmission and wheel reduction mechanism of the drive axle change the lubricating oil once every working hour (1200).

2. What are the three types of lubrication for industrial gears? Explain the role of gear oil? Answer three
A: closed lubrication, open lubrication, turbo worm lubrication.

The role of gear oil: A reduce the wear of adjacent components between gears. B Reduces friction and work. C Heat dissipation. D Reduce noise. E Remove dirt.

3, what is the role of the lubrication pump?
The clean lubricating oil is constantly sent to the working surface of the engine moving parts in order to form a thin lubricating oil film, and the dry friction of the parts is replaced by liquid friction, reducing the wear and power consumption of the parts.

4, what are the power performance indicators of the small loader internal combustion engine?
A: Power, torque, speed.

Diesel engine "gasping" : refers to the diesel engine in the low and medium speed range, the speed of the regular fast and slow operation phenomenon.

5, diesel engine "flying speed" : refers to the diesel engine loses throttle control, suddenly exceeds the higher speed of operation, and accompanied by the phenomenon of roaring.

6, small loader using (hydraulic) mechanical transmission, according to the size of the external resistance and (automatic stepless) speed change, can make full use of the power of the engine, but also improve the machine (mobility), simplify the operation of the loader, but also (transmission parts) and engine protection.

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