1.2 introduction to automatic loading truck for square concrete

混凝土自动上料车用来运送建筑用的混凝土的专用卡车；由于它的外形，也常被称为田螺车。这类卡车上都装置圆筒型的搅拌筒以运载混合后的混凝土。在运输过程中会始终保持搅拌筒转动，以保证所运载的混凝土不会凝固。

Automatic concrete loading truck is a special truck used to transport concrete for construction; Because of its shape, it is often called snail car. Such trucks are equipped with cylindrical mixing drums to carry the mixed concrete. The mixing drum will always be kept rotating during transportation to ensure that the transported concrete will not solidify.

1.2方混凝土自动上料车搅拌装置

1.2 mixing device of automatic loading truck for cubic concrete

搅拌装置主要由搅拌筒及其辅助支撑部件组成。搅拌筒是混凝土的装载容器，转动时混凝土沿叶片的螺旋方向运动，在不断的提升和翻动过程中受到混合和搅拌。在进料及运输过程中，搅拌筒正转，混凝土沿叶片向里运动，出料时，搅拌筒反转，混凝土沿着叶片向外卸出。

The mixing device is mainly composed of mixing drum and its auxiliary supporting parts. The mixing drum is the loading container of concrete. When rotating, the concrete moves along the spiral direction of the blade and is mixed and stirred in the process of continuous lifting and turning. In the process of feeding and transportation, the mixing drum rotates forward and the concrete moves inward along the blade. When discharging, the mixing drum reverses and the concrete is discharged outward along the blade.

叶片是搅拌装置中的主要部件，损坏或严重磨损会导致混凝土搅拌不均匀。另外，叶片的角度如果设计不合理，还会使混凝土出现离析。

Blade is the main component of mixing device. Damage or serious wear will lead to uneven mixing of concrete. In addition, if the design of blade angle is unreasonable, the concrete will be separated.

清洗系统的主要作用是清洗搅拌筒，有时也用于运输途中进行干料拌筒。清洗系统还对液压系统起冷却作用。

The main function of the cleaning system is to clean the mixing drum, and sometimes it is also used for dry material mixing drum during transportation. The cleaning system also cools the hydraulic system.

全封闭装置采用回转密封技术，密封了搅拌车的进出料口，了传统搅拌车水份蒸发、砂浆分层、砼料撒落、行车安*等系列问题。

The fully enclosed device adopts rotary sealing technology to seal the inlet and outlet of the mixer truck, and solves a series of problems such as water evaporation of the traditional mixer truck, mortar stratification, concrete scattering, driving safety and so on.

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