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当前位置:首页 > 搅拌车资讯 > 常见问题 > 混凝土全自动搅拌车的压力调节是如何的?
混凝土全自动搅拌车的压力调节是如何的?
来源:http://www.cnzkjf.cn发布日期:2021-08-18   浏览量:
 
如果混凝土全自动搅拌车厂家的液压系统压力不足或没有压力,我们可以根据以下方面进行故障排除:
If the hydraulic system pressure of the concrete automatic mixer manufacturer is insufficient or no pressure, we can troubleshoot according to the following aspects:
1.检查液压泵是否可以输出液压油。如果是没有输出液压油的新型液压泵,则泵体可能有铸造缺陷(收缩,沙眼等),因此吸入室和液压室已连接,并且失去了油压,制造商应该及时更换。如果不是新的液压泵,并且没有液压油输出,则可能无法正确操作泵,并且零件可能会严重磨损或损坏,及时更换它们。
1. Check whether the hydraulic pump can output hydraulic oil. If it is a new hydraulic pump that does not output hydraulic oil, the pump body may have casting defects (shrinkage, trachoma, etc.), so the suction chamber and hydraulic chamber have been connected and the oil pressure has been lost, and the manufacturer should replace it in time. If it is not a new hydraulic pump and there is no hydraulic oil output, the pump may not be operated correctly, and the parts may be seriously worn or damaged. Replace them in time.
混凝土全自动搅拌车
2.如果液压泵有油输出,请检查安 全阀是否正常工作。如果异常,则压力油回路中的阀可能由于其他原因而被污染或阻塞,并且处于回油位置,导致压力油回路与溢流回路之间短路,或者管接头可能松动或承受压力。油路中的某些阀泄漏严重,或者液压缸和液压马达的密封件损坏,导致严重泄漏。
2. If the hydraulic pump has oil output, please check whether the safety valve works normally. If it is abnormal, the valve in the pressure oil circuit may be contaminated or blocked due to 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 may be loose or under pressure. Some valves in the oil circuit leak seriously, or the seals of the hydraulic cylinder and hydraulic motor are damaged, resulting in serious leakage.
清洁方法:打开相关阀门进行清洁,检查密封间隙和各种密封设备的尺寸。损坏的密封设备应予以更换。
Cleaning method: open relevant valves for cleaning, and check the sealing clearance and the dimensions of various sealing equipment. Damaged sealing equipment shall be replaced.
3.如果液压泵的输出流量随着压力的增加而显着下降,但压力未达到规定值,则是由于液压泵磨损后间隙的增加所致。
3. If the output flow of the hydraulic pump decreases significantly with the increase of pressure, but the pressure does not reach the specified value, it is due to the increase of clearance after the hydraulic pump is worn.
清洁方法:确定液压泵的容积功率,以确认泵是否可以连续使用。严重磨损的零件应予以修理或更换。
Cleaning method: determine the volumetric power of the hydraulic pump to confirm whether the pump can be used continuously. Severely worn parts shall be repaired or replaced.
4.如果混凝土全自动搅拌车厂家的整个液压系统能够建立正常压力,并且某些管线或液压缸(或液压马达)中没有压力,则可能是由于管线,小孔或节流阀,方向阀等引起的封锁时,应一一检查压力和油,以找出原因并进行清理。
4. If the whole hydraulic system of the concrete automatic mixer manufacturer can establish normal pressure, and there is no pressure in some pipelines or hydraulic cylinders (or hydraulic motors), the blocking may be caused by pipelines, small holes or throttle valves, directional valves, etc., the pressure and oil shall be checked one by one to find out the causes and clean them up.


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