Weather conditions have a significant impact on excavator operations, and different climate conditions may bring various challenges and risks. Here are some of the main weather factors and their specific impact on excavator operations:
1.Hot weather
Mechanical overheating, in a high temperature environment, such as the engine of a large used Cat excavator is easy to overheat, which can lead to the "boiler" phenomenon, that is, the tank temperature is too high, the cooling system can not work properly. The increase in the temperature of hydraulic oil will cause its viscosity to decrease, the lubrication effect to decrease, and the wear of parts will increase. Equipment damage, high temperature will also accelerate the aging of equipment, shorten the service life of equipment. For example, the grease is easy to soften at high temperatures, and the adhesion performance is reduced, resulting in high temperature and wear of the working device and the rotating device. Working efficiency is reduced, and in high temperature weather, operators are prone to health problems such as heat stroke, which affects operation efficiency and safety.
2.Rainy weather
Waterlogging and landslide risk: A large amount of rainfall may cause water to accumulate on the ground, making the excavator sink or unable to operate normally. At the same time, rain may cause landslides and other geological disasters, threatening the safety of construction. Fuel and hydraulic oil pollution, moisture generated by the humidity directly mixed into the fuel and hydraulic oil in the excavator, will have a serious impact on it, such as hydraulic oil deterioration. The paint surface and chassis are rusted, and the acidic components in the rain have a strong corrosion effect on the paint surface of the excavator, and long-term exposure may cause the paint to fade and age. At the same time, the chassis is closest to the ground, easy to rust and mottled, and the wheel housing may even be loose and perforated.
3.thunderstorm
Lightning risk: Thunderstorms increase the risk of lightning strikes on excavators, which may cause damage to electrical equipment. The line of sight is blocked, and the heavy rain leads to low visibility, affecting the operator's line of sight and judgment, and increasing the difficulty and danger of the operation.
4.Windy weather
In windy weather, big trees may be blown down, causing great damage to the excavator. At the same time, strong winds may also carry particles such as sand and dust, causing blockage and wear to the cooling system of the excavator.
5.Cold weather
In the cold winter months, starting a Komatsu excavator, for example, can become difficult because low temperatures can affect the engine's combustion efficiency and oil flow. Operation is limited, and low temperatures can also cause the hydraulic oil to become viscous, affecting the flexibility and response speed of the excavator. In addition, the operator's working comfort in cold environments will also be affected.
To sum up, in order to ensure the safe and efficient operation of excavators in different weather conditions, a series of preventive measures need to be taken. For example, to strengthen the ventilation and cooling of equipment in high temperature weather; Drainage and anti-slip work in the rainy season; Avoid outdoor work during thunderstorms and check lightning protection facilities; Reinforce equipment in windy weather and pay attention to shelter; In cold weather, do a good job of preheating and warm equipment.
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