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      攪拌一體機粘罐原因之設計不合理

      來(lái)源:http://www.bestinko.com/日期:2022-10-28

      概述:經(jīng)過(guò)實(shí)踐和分析,我們認為攪拌一體機粘罐原因可以分為兩大類(lèi):即設計不合理和使用不當,下面我們先從攪拌一體機卸料殘余率和葉片設計不合理
      經(jīng)過(guò)實(shí)踐和分析,我們認為攪拌一體機粘罐原因可以分為兩大類(lèi):即設計不合理和使用不當,下面我們先從攪拌一體機卸料殘余率和葉片設計不合理方面來(lái)講解一番。
      Through practice and analysis, we believe that the causes of tank sticking of the mixer can be divided into two categories: unreasonable design and improper use. Let's explain the discharge residual rate and unreasonable blade design of the mixer first.
      從攪拌筒的內部結構看,攪拌運輸車(chē)的拌筒是依靠回轉的筒體帶動(dòng)其中的兩條螺旋葉片所產(chǎn)生的螺旋運動(dòng),使混凝土獲得既有“切向”又有“軸向”的復合運動(dòng),從而使攪拌筒具有攪拌和卸料的功能,因此形成這一螺旋運動(dòng)的有關(guān)因素,諸如螺旋葉片的曲線(xiàn)參數,攪拌筒的幾何形狀和尺寸等對攪拌車(chē)的卸料殘余率都有重要影響。
      From the perspective of the internal structure of the mixing drum, the mixing drum of the mixing truck is driven by the rotating drum to produce spiral movement by two spiral blades, so that the concrete can obtain a composite movement of both "tangential" and "axial", so that the mixing drum has the functions of mixing and unloading. Therefore, the factors related to the formation of this spiral movement, such as the curve parameters of the spiral blades, The geometric shape and size of the mixing drum have an important influence on the discharge residual rate of the mixer truck.
      而過(guò)大的卸料殘余率意味著(zhù)攪拌車(chē)在卸料結束后在攪拌罐里會(huì )有更多的余料,因而更有可能因日積月累在攪拌罐中粘料。目前大多數廠(chǎng)家采用的是等角對數螺旋線(xiàn)葉片,在卸料殘余率上還有很大的改進(jìn)空間。
      However, excessive discharge residual rate means that the mixer truck will have more residual materials in the mixing tank after discharge, which is more likely to stick materials in the mixing tank due to accumulation over time. At present, most manufacturers use equiangular logarithmic spiral blades, and there is still much room for improvement in the discharge residual rate.
      攪拌一體機
      此外還有一種情況便是,工地在墻柱等施工中,會(huì )用塔吊吊斗車(chē)的方法進(jìn)行澆搗,由于塔吊的料本來(lái)塌落度就比泵送的低,更由于施工時(shí)間長(cháng),卸一車(chē)混凝土通常要2~4h,有些駕駛員為了省油而停止攪拌筒的正常轉動(dòng),這種情況下,特別容易造成粘罐,有時(shí)9方車(chē)一次粘罐就達一整天,這種情況在夏天更嚴重。
      In addition, in the construction of wall and column, the construction site will use the tower crane bucket truck for pouring and tamping. Because the original slump of the tower crane materials is lower than that of the pump, and because the construction time is long, it usually takes 2-4 hours to unload a truck of concrete. Some drivers stop the normal rotation of the mixing drum to save fuel. In this case, it is particularly easy to cause tank sticking. Sometimes, the 9-way truck can stick to the tank for a whole day at a time, This situation is more serious in summer.
      夏季在南方地區白天中午前后,環(huán)境溫度經(jīng)常超過(guò)30℃,在這種情況下運輸混凝土,將會(huì )由于混凝土坍落度損失快以及罐體周?chē)鷾囟认鄬χ行母?,因而混凝土更容易粘罐。攪拌一體機的罐體運行是通過(guò)液壓的傳動(dòng)來(lái)運作的,液壓油長(cháng)時(shí)間在管路中以一定的速度流動(dòng),與管壁摩擦,再加上管路中各種閥件的阻力和油泵的做功,液壓油被壓縮產(chǎn)生熱量,油溫上升。
      In summer, around noon in the day in the south, the ambient temperature often exceeds 30 ℃. When transporting concrete in this case, the concrete will be easier to stick to the tank because of the rapid loss of concrete slump and the higher temperature around the tank relative to the center. The tank of the agitator is operated by hydraulic transmission. The hydraulic oil flows in the pipeline at a certain speed for a long time and rubs against the pipe wall. In addition, the resistance of various valves in the pipeline and the work done by the oil pump cause the hydraulic oil to be compressed to generate heat and the oil temperature to rise.
      總之混凝土在攪拌車(chē)拌筒中的工作是一個(gè)非常復雜的過(guò)程,攪拌一體機粘罐現象的產(chǎn)生原因也是各種各樣的。以上就是為您講解的內容了,對此您有什么問(wèn)題可隨時(shí)來(lái)我們網(wǎng)站http://www.bestinko.com咨詢(xún)!
      In short, the work of concrete in the mixer drum is a very complex process, and the causes of tank sticking in the mixer are also various. The above is the content explained for you. If you have any questions about it, you can come to our website at any time http://www.bestinko.com consulting service

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