When the air pressure of the loading concrete mixing tank truck system is insufficient or there is no pressure at all, we can check according to these aspects.

1、如果說攪拌灌車液壓泵有油液輸出的情況發生，我們可以及時查看它的工作是不是正常。如果不正常，有可能是壓力油路中的某個設備配件其他原因被卡住，處于回油的地方，導致壓力油路和溢流回路短路的情況發生，也或許是管接頭有松動的情況發生，當我們處在油路中的某些設備漏油嚴重，或液壓缸、液壓馬達的密封被損壞。排除的辦法就是直接拆開有關設備來清洗，看看對應的設備是不是損壞了，該更換就換，該檢查就查看一下。

1. If the hydraulic pump of the mixing and filling truck has oil output, we can check whether it works normally in time. If it is not normal, it may be that some equipment accessories in the pressure oil circuit are stuck for other reasons and are at the place of oil return, resulting in short circuit of pressure oil circuit and overflow circuit, or loose pipe joints. When some equipment in the oil circuit leaks seriously, or the seals of hydraulic cylinder and hydraulic motor are damaged. The solution is to directly disassemble the relevant equipment for cleaning to see if the corresponding equipment is damaged. Replace it when it's time to replace it and check it when it's time to check.

2、看自上料混凝土攪拌罐車液壓泵是不是能輸出液壓油呢。如果說是新的液壓泵，沒有液壓油，可能是泵體有缺陷，讓吸油腔和壓油腔有相通的情況發生，失去壓油能力，應及時找魯樽機械廠家更換。若不是新的液壓泵，無液壓油輸出，則可能是泵的轉向不對，零件磨損嚴重或損壞，及時更換。

2. See if the hydraulic pump of the self feeding concrete mixing tank truck can output hydraulic oil. If it is a new hydraulic pump without hydraulic oil, it may be that the pump body is defective, so that the oil suction chamber and oil pressure chamber are connected. If the oil pressure capacity is lost, it should be replaced by Lu Zun machinery 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.

3、自上料混凝土攪拌罐車的液壓系統能建立正常壓力，一些管路或者液壓缸中間是沒有壓力的，可能就是因為管路、小孔或節流閥、換向閥這些部位堵住了。所以要仔細查看檢查壓力有沒有油液通過，找出原因，然后來排除。

3. The hydraulic system of the self feeding concrete mixing tank truck can establish normal pressure, and there is no pressure in some pipelines or hydraulic cylinders. It may be because the pipelines, small holes, throttle valves and directional valves are blocked. Therefore, check carefully to see if there is oil passing through the pressure, find out the cause, and then eliminate it.

4、若自上料混凝土攪拌罐車車的液壓泵輸出流量隨壓力升高而顯著減小，且壓力達不到規定值，則是由于液壓泵磨損后間隙增大所致。排除方法是測定液壓泵的容積效率，就可以確定這個泵是不是能繼續使用的，對磨損嚴重的產品，一定進行修配或更換。

4. If the output flow of the hydraulic pump from the concrete mixing tank truck decreases significantly with the increase of pressure, and the pressure does not reach the specified value, it is due to the increase of the clearance after the hydraulic pump is worn. The elimination method is to measure the volumetric efficiency of the hydraulic pump, so as to determine whether the pump can continue to be used. The severely worn products must be repaired or replaced.

以上就是小編整理的關于自上料混凝土攪拌罐車壓力不足的處理方法，如若攪拌車出現液壓系統壓力不足或完全無壓力的情況就可根據以上的方法排查與解決，讓攪拌車及時恢復正常狀態。

The above is the treatment method for insufficient pressure of self feeding concrete mixing tank truck compiled by Xiaobian. If there is insufficient or no pressure in the hydraulic system of the mixing truck, it can be checked and solved according to the above methods to make the mixing truck return to normal state in time.