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长臂挖掘机工作速度变慢的原因

日期:2022-12-05   来源:http://www.dybocheng.com
长臂挖掘机工作速度变慢主要原因是整机各部磨损造成发动机功率下降与液压系统内泄。下面厂家来为你详细讲解下。
The main reason for the slow working speed of the long arm excavator is that the engine power drops and the hydraulic system leaks in due to the wear of all parts of the machine. The manufacturer will give you a detailed explanation.
长臂挖掘机的液压泵为柱塞变量泵,工作一定时间后,泵内部液压元件(缸体、柱塞、配流盘、九孔板、龟背等)不可避免的产生过度磨损,会造成内漏,各参数据不协调,从而导致流量不足油温过高,工作速度缓慢。这时就需要整机大修,对磨损超限的零部件进行修复更换。
The hydraulic pump of the long arm excavator is a plunger variable displacement pump. After working for a certain time, the hydraulic components inside the pump (cylinder, plunger, port plate, nine hole plate, turtle back, etc.) will inevitably have excessive wear, which will cause internal leakage, and the data of various parameters are not coordinated, resulting in insufficient flow, high oil temperature, and slow working speed. At this time, the whole machine needs to be overhauled to repair and replace the parts and components with excessive wear.
但若不是工作时间很长的挖掘机突然变慢,就需要检查以下几方面。先查电路保险丝是否断路或短路,再查先导压力是否正常,再看看伺服控制阀-伺服活塞是否卡死以及分配器合流是否故障等,后将液压泵拆卸进行数据测量,确认挖机问题所在。
However, if the excavator that has been working for a long time does not suddenly slow down, the following aspects need to be checked. First check whether the circuit fuse is open circuit or short circuit, then check whether the pilot pressure is normal, and then check whether the servo control valve servo piston is stuck and whether the distributor confluence is faulty. Then disassemble the hydraulic pump for data measurement to confirm the problem of the excavator.
长臂挖掘机
此外挖掘机的日常保养为了防止挖掘机的故障发生,在日常使用过程中需要十分注意对挖掘机的保养。
In addition, the daily maintenance of the excavator In order to prevent the failure of the excavator, great attention should be paid to the maintenance of the excavator during daily use.
日常保养包括检查、清洗或更换空气滤芯,清洗冷却系统内部,检查和拧紧履带板螺栓,检查和调节履带反张紧度,检查进气加热器,更换斗齿,调节铲斗间隙,检查前窗清洗液液面,检查、调节空调,清洗驾驶室内地板,更换破碎器滤芯(选配件)。
Daily maintenance includes checking, cleaning or replacing the air filter element, cleaning the inside of the cooling system, checking and tightening the bolts of the track shoes, checking and adjusting the reverse tension of the track, checking the air inlet heater, replacing the bucket teeth, adjusting the bucket clearance, checking the liquid level of the front window cleaning fluid, checking and adjusting the air conditioner, cleaning the floor in the cab, and replacing the breaker filter element (optional).
长臂挖掘机在日常工作中遇到的故障还有很多,为了减少故障的发生,对挖掘机的日常保养是很重要的。您有不懂的地方可以随时来我们网站http://www.dybocheng.com咨询!
There are still many failures encountered in the daily work of long arm excavators. In order to reduce the occurrence of failures, the daily maintenance of excavators is very important. If you don't understand something, you can come to our website at any time http://www.dybocheng.com consulting service


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