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企业:山东山汽工程机械(集团)有限企业

地址:山东省莱州市206国道与308省道交叉口东南50米

平口自上料搅拌车压力不足怎么办?

所属分类:行业资讯 发布时间:2021-12-03 来源:/ 浏览量:18

1、查看自上料平口搅拌车液压泵是否能输出液压油。如果是新的液压泵,无液压油输出,可能是泵体有铸造缺陷(缩孔、砂眼等),使吸油腔和压油腔相通,失去压油能力,应及时找厂家更换。若不是新的液压泵,无液压油输出,则可能是泵的转向不对,零件磨损严重或损坏,及时更换。
1. Check whether the hydraulic pump of the feeding flat mouth mixer can output hydraulic oil. If it is a new hydraulic pump without hydraulic oil output, it may be that the pump body has casting defects (shrinkage cavity, sand hole, etc.), which connects the oil suction chamber and oil pressure chamber and loses the oil pressure capacity. It should be replaced by the manufacturer in time. If it is not a new hydraulic pump and there is no hydraulic oil output, the steering of the pump may be wrong, and the parts may be seriously worn or damaged. Replace them in time.
2、若自上料平口搅拌车液压泵有油液输出,查看溢流阀工作是否正常。若不正常,则可能是压力油路中的某个阀有污物或其他原因卡住,处于回油位置,致使压力油路与溢流回路短路,也可能是管接头松脱,或处于压力油路中的某些阀泄漏严重,或液压缸、液压马达的密封损坏,严重泄漏。排除方法是拆开有关阀进行清洗,检查密封间隙的大小及各种密封装置,密封装置损坏应更换。
2. If there is oil output from the hydraulic pump of the feeding flat mouth mixer, check whether the overflow valve works normally. If it is abnormal, it may be that a valve in the pressure oil circuit is stuck due to dirt or other reasons and is in the oil return position, resulting in a short circuit between the pressure oil circuit and the overflow circuit, or the pipe joint is loose, or some valves in the pressure oil circuit leak seriously, or the seals of the hydraulic cylinder and hydraulic motor are damaged and leak seriously. The troubleshooting method is to disassemble the relevant valves for cleaning, check the size of sealing clearance and various sealing devices, and replace the damaged sealing devices.
3、若自上料平口搅拌车的液压泵输出流量随压力升高而显着减小,且压力达不到规定值,则是由于液压泵磨损后间隙变大所致。排除方法是测定液压泵的容积效率,即可确定该泵是否能继续使用,对磨损严重的零件,应进行修配或更换。
3. If the output flow of the hydraulic pump from the feeding flat mouth mixer decreases significantly with the increase of pressure, and the pressure cannot reach the specified value, it is due to the larger clearance after the hydraulic pump is worn. The elimination method is to measure the volumetric efficiency of the hydraulic pump to determine whether the pump can continue to be used. The severely worn parts should be repaired or replaced.
4、自上料平口搅拌车的液压系统能建立正常压力,而某些管路或液压缸(或液压马达)中无压力,则可能是由于管路、小孔或节流阀、换向阀等部位堵塞。此时应逐段检查压力和有无油液通过,找出原因,加以排除。
4. If the hydraulic system of the feeding flat mouth mixer can establish normal pressure, but there is no pressure in some pipelines or hydraulic cylinders (or hydraulic motors), it may be due to the blockage of pipelines, small holes, throttle valves, directional valves, etc. At this time, check the pressure and oil passage section by section, find out the cause and eliminate it.
以上就是6165con登录平台www.sqjituan.cn/为大家先容的内容,感谢您在百忙之中查看我企业的信息内容,如果您想要了解的更多,欢迎您来电进行咨询!
The above is the content introduced by the automatic concrete mixer at www.sqjituan.cn /. Thank you for checking the information of our company in your busy schedule. If you want to know more, you are welcome to call for consultation!
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