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Principle Analysis of Hydraulic System of Wheeled Small Loader Lubricating Oil |
Public date:2019-11-20 Hits：7743 |
Principle analysis of the hydraulic system of wheeled small loader lubricating oil:
1. Wheeled small loader consists of power system, (transmission system), (steering hydraulic system), working device and frame, working device and hydraulic system, (brake system), (electrical system). The transmission system is composed of (hydraulic torque converter), (transmission gear), transmission shaft, drive axle and the like. Brake system points (parking brake), (service brake) and (emergency brake). The drive axle of the loader is mainly composed of (main drive), (differential), (axle), (half-axis), (clamp brake), (wheel reducer), (rim), (tire) The composition of the main drive and the wheel speed reduction mechanism of the drive axle is changed once every 1200 hours.
2. Which three lubrication methods are used for industrial gears? Explain the role of gear oil? Answer three
Answer: Closed lubrication method, open lubrication method, worm and worm lubrication method.
The role of gear oil: A reduces the wear of adjacent components between the gears. B reduces friction and work. C heat dissipation. D reduces noise. E excludes dirt.
3. What is the role of the lubrication pump?
The clean lubricating oil is continuously sent to the working surface of the moving parts of the engine to form a thin lubricating film, which replaces the dry friction of the parts with liquid friction, reducing part wear and power consumption.
4. What are the dynamic performance indicators of small loader internal combustion engines?
A: Power, torque, speed.
Diesel engine "gasp": refers to the phenomenon that the diesel engine runs regularly in the low and medium speed range, and the rotation speed is regular and slow.
5. Diesel engine "speeding": It means that the diesel engine loses throttle control and suddenly exceeds the higher speed running, accompanied by the phenomenon of roaring.
6. The small loader adopts (hydraulic) mechanical transmission, which can change the speed according to the external resistance (automatic stepless), which can fully utilize the power of the engine and improve the (mobility) of the whole machine, simplifying the loader. The operation also protects the (transmission components) and the engine.
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