取力装置

Power take-off device

自上料水泥搅拌车采用主车发动机取力方式。取力装置的作用是通过操纵取力开关将发动机动力取出，经液压系统驱动搅拌筒，搅抖筒在进料和运输过程中正向旋转，以利于进料和对混凝土进行搅拌，在出料时反向旋转，在工作终结后切断与发动机的动力联接。

The self feeding cement mixer adopts the power taking mode of main vehicle engine. The function of the power take-off device is to take out the power of the engine by operating the power take-off switch, drive the mixing drum through the hydraulic system, and the mixing drum rotates in a positive direction during feeding and transportation, so as to facilitate feeding and mixing of concrete, rotate in a reverse direction during discharging, and cut off the power connection with the engine after the work is completed.

液压系统

Hydraulic system

将经取力器取出的发动机动力(一般都是后置全功能取力器)，转化为液压能(排量和压力)，再经马达输出为机械能（转速和扭矩），为搅拌筒转动提供动力。

The engine power taken out by the power take-off (generally rear full-function power take-off) is converted into hydraulic energy (displacement and pressure), and then output into mechanical energy (speed and torque) by the motor to provide power for the rotation of the mixing drum.

减速机

Reducer

将液压系统中马达输出的转速减速后，传给搅拌筒。

The speed output by the motor in the hydraulic system is reduced and transmitted to the mixing drum.

操纵机构

Operating mechanism

控制搅拌筒旋转方向，使之在进料和运输过程中正向旋转，出料时反向旋转。控制搅拌筒的转速。

Control the rotation direction of the mixing drum to make it rotate forward during feeding and transportation and reverse during discharging. Control the rotating speed of the mixing drum.

搅拌装置

Mixing device

它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。

It is mainly composed of mixing drum and its auxiliary supporting parts. The mixing drum is a container for loading concrete. It is made of high-quality wear-resistant steel plate. In order to automatically load and unload concrete, its inner wall is welded with spiral blades of special shape. 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. During feeding and transportation, the mixing drum rotates forward, and the concrete moves inward along the blades. During 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立方的自动上料搅拌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。

The rotation of the mixing drum is ensured by the hydraulic driving device. The automatic loading mixer with a loading capacity of 3 ~ 6 cubic meters generally adopts the hydraulic pump driven by the automobile engine through the power output shaft, and then the hydraulic motor driven by the high-pressure oil to drive the mixing drum. For the mixer with a loading capacity of 9 ~ 12 cubic meters, the hydraulic pump driven by the on-board auxiliary diesel engine drives the hydraulic motor. The blade is the main component in the 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.

封闭装置

Closing device

自上料水泥搅拌车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、行车等系列问题。

The fully enclosed device of the self feeding cement mixer adopts the rotary sealing technology, which seals the inlet and outlet of the mixer, and solves a series of problems such as water evaporation, mortar layering, concrete scattering and driving safety of the traditional mixer.

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