小型混凝土搅拌车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，它是由耐磨薄钢板制成，为了能够自动装、卸混凝土，其内壁焊有特殊形状的螺旋叶片。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。
Small concrete mixer truck is mainly composed of mixing drum and its auxiliary supporting parts. The mixing drum is a loading container for concrete. It is made of high-quality wear-resistant steel sheet. In order to automatically load and unload concrete, its inner wall is welded with spiral blades of special shape. When it rotates, 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 blades. When discharging, the mixing drum reverses and the concrete is discharged outward along the blades.
搅拌筒的转动则是靠液压驱动装置来保证。装载量为3～6立方。的混凝土搅拌运输车一般采用由汽车发动机通过动力输出轴带动液压泵，再由高压油推动液压马达驱动搅拌筒，装载量为9～12立方的则由车载辅助柴油机带动液压泵驱动液压马达。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，混凝土搅拌车出料速度慢
The rotation of the mixing drum is ensured by the hydraulic driving device. The loading capacity is 3-6 cubic meters. Generally, the truck engine drives the hydraulic pump through the power output shaft, and then the high-pressure oil drives the hydraulic motor to drive the mixing drum. The truck auxiliary diesel engine drives the hydraulic pump to drive the hydraulic motor when the loading capacity is 9-12 cubic meters. The blade is the main component of the mixing device, and damage or serious wear will lead to uneven mixing of concrete. In addition, if the blade angle is not reasonable, the concrete will appear segregation, and the discharging speed of concrete mixer is slow
1、设装料时罐体的转动方向为正向转动，则车辆在运输过程中的转动也为正向转动；
1. If the rotation direction of the can body is positive rotation during loading, the rotation of the vehicle during transportation is also positive rotation;
2、车辆在装料时，发动机带动罐体转动，速度为6-10转/分；混凝土或拌和料经过搅拌机的卸料口卸出，通过装料系统从筒口导管进入搅拌筒，并在螺旋叶片引导下，流向搅拌筒的中下部
2. When the vehicle is loading, the engine drives the can body to rotate at a speed of 6-10 rpm; The concrete or mixture is discharged through the discharge port of the mixer, enters the mixing drum through the tube at the mouth of the drum through the charging system, and flows to the middle and lower part of the mixing drum under the guidance of the spiral blade
小搅拌车运输工作原理
Working principle of small mixer transportation
对加入搅拌筒的预拌混凝土，只需在运输途中作1~3r/min的低速“正向”转动，此时混凝土只受轻微的扰动，以保持混凝土的匀质,同时防止离析,称为搅动（俗称搅拌）.
For the premixed concrete added into the mixing drum, only 1 ~ 3R / min low-speed "positive" rotation is needed during transportation. At this time, the concrete is only slightly disturbed, so as to maintain the homogeneity of the concrete and prevent segregation, which is called stirring (commonly known as mixing)
小型搅拌车卸料工作原理
Discharge principle of small mixer truck
车辆在满载时，罐体一直按1~3r/min的速度搅动，整车行驶速度不能超过50km/h，如果车辆行驶过快，转弯时容易翻车。
When the vehicle is fully loaded, the tank always stirs at the speed of 1 ~ 3R / min, and the driving speed of the whole vehicle can not exceed 50km / h. If the vehicle runs too fast, it is easy to roll over when turning.
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2022-12-23
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