Concrete mixer truck is a special truck used to transport construction concrete; because of its shape, it is often called a snail truck. This kind of truck is equipped with cylindrical mixing drum to carry the mixed concrete.
自動攪拌車是運輸建筑混凝土的專用運輸車，因其外形特點，常被稱為蝸牛車。這種運輸車裝有圓柱形攪拌筒，用來運輸攪拌好的混凝土。
It is composed of automobile chassis, mixing drum, transmission system, water supply device, full power power power take-off device, front and rear bracket of mixing drum, reducer, hydraulic transmission system, feeding and discharging system, control mechanism, etc. Due to technical bottleneck, domestic four parts are used for domestic mixer tank with a volume of 3M × 3-8m × 3, and most of the four parts used for tank with a volume of 8m × 4 or above are imported parts.
由汽車底盤、攪拌桶、傳動系統(tǒng)、供水裝置、全功率取力裝置、攪拌桶前后支架、減速機、液壓傳動系統(tǒng)、上下料系統(tǒng)、控制機構等組成，由于技術瓶頸，國內攪拌桶采用四部分容積為3M×3-8m×3，容積為8m×4及以上的儲罐所用的四個部件大部分為進口件。

Mixer car composition: Class II chassis, transmission system, hydraulic system, frame, mixing tank, feeding and discharging device, water supply system, control system, ladder and other parts. The front end of the mixing tank is connected with the reducer and installed on the front end of the rack, and the rear end is provided with two supporting wheel concrete mixing tank trucks installed on the back end of the rack through the raceway
攪拌車組成：二級底盤、傳動系統(tǒng)、液壓系統(tǒng)、車架、攪拌罐、上下料裝置、供水系統(tǒng)、控制系統(tǒng)、梯子等部件。攪拌槽前端與減速機連接，安裝在機架前端，后端設有兩輛托輪混凝土攪拌槽車，通過滾道安裝在機架后端
With the rapid development of concrete production and construction technology, some countries have gradually adopted the way of centralized mixing and commercial supply of concrete. Concrete is provided by a special concrete mixing station, and then transported to various construction sites by concrete mixer trucks. This paper briefly introduces the structure principle and maintenance of concrete mixer.
隨著混凝土生產和施工技術的快速發(fā)展，一些逐漸采用混凝土集中攪拌和商品供應的方式。混凝土由專用混凝土攪拌站提供，水泥自動攪拌車運各施工現(xiàn)場。簡要介紹了自上料水泥攪拌車的結構原理及維護保養(yǎng)。
The mixing drum is a concrete loading container, which is made of high-quality wear-resistant steel sheet. In order to automatically load and unload concrete, its inner wall is welded with special shape spiral blades. 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 positively, the concrete moves inward along the blade, and when discharging, the mixing drum reverses, and the concrete is discharged outward along the blade. The rotation of the mixing drum is guaranteed by the hydraulic drive device. The concrete mixer truck with a loading capacity of 3-6 cubic meters generally uses a hydraulic pump driven by an automobile engine through a power output shaft, and then a hydraulic motor driven by a high-pressure oil to drive the mixing drum. The truck mounted auxiliary diesel engine drives the hydraulic pump to drive the hydraulic Marta with a loading capacity of 9-12 cubic meters. The blade is the main part of the mixing device, which will lead to uneven mixing of concrete if it is damaged or severely worn.
自動攪拌車的攪拌筒是由耐磨鋼板制成的混凝土裝載容器。為實現(xiàn)混凝土的自動裝卸，其內壁采用異形螺旋葉片焊接而成。旋轉時，混凝土沿葉片螺旋方向移動，在連續(xù)提升和轉動過程中攪拌。在投料和運輸過程中，攪拌筒正轉，混凝土沿葉片向內移動，卸料時攪拌筒反轉，混凝土沿葉片向外卸料。攪拌筒的旋轉由液壓驅動裝置保證。裝載量為3-6立方米的水泥自動攪拌車一般采用汽車發(fā)動機通過動力輸出軸驅動的液壓泵，再由高壓油驅動的液壓馬達驅動攪拌筒。車載輔助柴油機驅動液壓泵驅動液壓馬達，負載能力9-12立方米。攪拌裝置的主要部件是葉片，如果葉片損壞或磨損嚴重，將導致混凝土攪拌不均勻。

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