装载机操作时有哪些是不允许的?
[ 发布日期:2023-01-07 15:10:28 ] 来源:永保机械 浏览:528次
1、刚启动就猛轰油门
装载机发动机刚启动时,机身温度低、机油黏度大、流动性差,机油在短时间内不能畅流至各润滑点。如果此时猛轰油门,会导致发动机转速瞬时升高,各运动副润滑不良,运行阻力也会增大,如果猛轰油门,活塞、连杆、曲轴会产生剧烈撞击,加速机件的损坏。
When the loader engine just started, low body temperature, oil viscosity, poor mobility, not the smooth flow of oil in a short time to the lubrication points. If at this time Meng throttle will result in increased engine speed transient adverse movements deputy lubrication, running resistance will increase, if Meng throttle, piston, connecting rod, crankshaft will have a dramatic impact,accelerating mechanical damage.
2、启动后不经暧机运转而直接作业
由于机身温度低,机油黏度大,会使机油泵供油不足,导致短时间内运动副得不到良好的润滑,磨损加剧。大负荷时,甚至会发生拉缸、抱瓦等事故。在冬季,液压软管脆性大,直接作业易迸裂,会使液压油大量外泄。
As the body temperature is low, oil viscosity, will pump oil supply shortage, resulting in a short time deputy campaign not good lubrication, wear and tear. When a large load, or even pull the cylinder, hold tile and other accidents will happen. In winter, the hydraulic hoses brittle, easily burst direct jobs, will make a lot of hydraulic fluid leakage.
3、作业过程中直接补充冷却水
冷却水不足,将导致柴油机缺水过热。柴油机高温状态下直接补充冷却水,整个冷却系统瞬间会产生大的温差,使缸盖、缸套、缸体等瞬间脆裂,产生微裂纹,逐渐渗漏冷却水,以致漏油、漏气。
Insufficient cooling water will cause the diesel shortage overheating. Diesel directly under high temperature cooling water added, the entire cooling system instantly generates a large temperature difference, so that the cylinder head, cylinder liner, cylinder and other instant rattle, microcracks, gradually leaking cooling water, resulting in oil spills, leaks.
4、长时间怠速运转
特别在冬季野外作业,天气寒冷,不易启动,不少驾驶员习惯于装载机不作业时让其长时间怠速运转。长时间怠速运转机油泵会出现泵油不足,机油压力低,各运动副需求润滑的油量和油压达不到要求,摩擦阻力增大,磨损加剧,特别是活塞、缸套磨损大,易造成窜气;有时还会导致气门和活塞环卡死。此外,长时间怠速运转柴油雾化不良,燃烧不完全,会造成滞燃期延长,积炭严重,工作粗暴。
Special field operations in the winter, cold weather, easy to start, many drivers do not work when used loaders allowed prolonged idling. Prolonged idling pump will pump oil shortfalls, low oil pressure, fuel and lubricating oil pressure needs of each deputy campaign mainly the friction increases, increased wear, especially in the piston, cylinder liner wear, easy cause channeling gas;sometimes lead to valve and piston rings stuck. In addition, prolonged idling diesel poor atomization, incomplete combustion, ignition delay will cause prolonged, severe coke, work rude.
5、启动困难时引火暧机
装载机不易启动时,有的驾驶员使用明火置于进气口或进气支管与气泵气管接口处,启动柴油机,强制助燃柴油机。这种作法不仅会使空滤烧损,而且会导致点火不正时,柴油机提前或滞后暴燃,工作粗暴,缸套、活塞、连杆等受力部件受到剧烈冲击,受力不均,损坏机件。因此,严禁启动困难时引火着车。
When the loader is not easy to start, and some drivers to use an open flame into the air intake or intake manifold and pump pipe interface, start the engine, forced combustion diesel engines. This approach will not only burn the air filter, and will lead to errors when the ignition, diesel advance or lag deflagration, work rude, cylinder, piston, connecting rod and other parts subject to severe impact force, uneven force, damaged machine pieces. Therefore, non-pyrophoric difficult to start the car.
6、带负荷停机或作业后立即停机
装载机带负荷停机或作业后立即停机,冷却系统随即停止工作,散热能力急剧下降。工作产生的大量热量积聚在热源附近不能及时散发,使气缸盖、缸套、缸体等受热部件的冷却水沸腾,机件过热,高温烧蚀。同时还会使附着其表面的机油变质,造成下次启动困难。
Loaders with load after downtime or job immediately shut down, the cooling system immediately stops working, a sharp decline in cooling capacity. Work generated a lot of heat build-up in the vicinity of the heat source can not be distributed, so that the cylinder head cooling water cylinder, cylinder and other parts of the boiling heat, mechanical overheating, high-temperature ablation. While also so attached to its surface oil deterioration, causing difficulty in starting the next.