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自上料搅拌车气压不足是怎么回事?

来源:http://www.zishangliaojiaobanji.cn 日期:2020-12-21 发布人:admin
概述:1 检查自上料搅拌车的液压泵是否可以输出液压油。对于新的液压泵,液压油可能不会流出,并且泵体中可能会出现铸件缺陷(收缩,沙孔等)。由
1.检查自上料搅拌车的液压泵是否可以输出液压油。对于新的液压泵,液压油可能不会流出,并且泵体中可能会出现铸件缺陷(收缩,沙孔等)。由于吸入室和液压室已连接,液压容量将耗尽,请尽快更换泵体。如果不是新的液压泵且没有液压输出,则泵转向可能不正确,零件严重磨损或损坏,应及时更换。
1. Check whether the hydraulic pump from the loading mixer can output hydraulic oil. For new hydraulic pumps, hydraulic oil may not flow out and casting defects (shrinkage, sand holes, etc.) may appear in the pump body. As the suction chamber and hydraulic chamber are connected, the hydraulic capacity will be exhausted. Please replace the pump body as soon as possible. If it is not a new hydraulic pump and there is no hydraulic output, the steering direction of the pump may be incorrect and the parts are seriously worn or damaged, so they should be replaced in time.
2.如果自上料搅拌车的液压泵中有油,请检查溢流阀是否正常工作。如果发生异常,压力油回路的阀可能由于灰尘和其他原因而被卡住,并且可能处于回油位置,从而导致压力油回路与溢流管线之间发生短路。接头松动或液压回路中有接头。一些阀严重泄漏,或者液压缸和液压马达上的密封件损坏,导致严重泄漏。要卸下它,请拆卸并清洗适用的阀门,检查密封间隙和各种密封装置的尺寸,如果密封装置损坏,请更换密封装置。
自上料搅拌车
2. If there is oil in the hydraulic pump of the loading mixer, please check whether the relief valve works normally. In case of abnormality, the valve of the pressure oil circuit may be stuck due to dust and other reasons, and may be in the oil return position, resulting in a short circuit between the pressure oil circuit and the overflow line. The connector is loose or there is a connector in the hydraulic circuit. Some valves have serious leakage, or the seals on the hydraulic cylinder and hydraulic motor are damaged, resulting in serious leakage. To remove it, remove and clean the applicable valve, check the seal clearance and the dimensions of various sealing devices. If the sealing device is damaged, replace the sealing device.
3.如果随着压力的增加,移动式自动进料混合器的液压泵的输出流量显着下降,并且压力未达到指定值,这是由于液压泵磨损后的间隙增加所致。拆卸方法是测量液压泵的容积效率,以确定泵是否仍然可用。严重磨损的零件应修理或更换。
3. If the output flow of the hydraulic pump of the mobile automatic feed mixer decreases significantly with the increase of the pressure, and the pressure does not reach the specified value, this is due to the increase of the clearance after the wear of the hydraulic pump. The disassembly method is to measure the volumetric efficiency of the hydraulic pump to determine if the pump is still available. Seriously worn parts should be repaired or replaced.
4.自上料搅拌车的液压系统可以建立常压,某些管道或液压缸(或液压马达)没有压力。这可能是由于管道,小孔或节流阀,方向控制阀和其他组件的堵塞引起的。此时,必须逐步检查油压和油的存在,以找出原因并消除。
4. The hydraulic system of the loading mixer can establish normal pressure, and some pipes or hydraulic cylinders (or hydraulic motors) have no pressure. This may be due to clogging of pipes, orifices or throttle valves, directional control valves and other components. At this time, the existence of oil pressure and oil must be checked step by step to find out the cause and eliminate it.
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此文关键词:自上料搅拌车

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