小型混凝土搅拌运输车的工作特性_常见问题_自动混凝土搅拌机_自动混凝土搅拌车厂家

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电话：400-879-1999

公司：山东山汽工程机械（集团）有限公司

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小型混凝土搅拌运输车的工作特性

所属分类：常见问题发布时间：2020-06-11 来源：http://www.sqjituan.cn/ 浏览量：0

1．液压驱动系统：搅拌筒的转动采用取力器取力，通过取力器依次驱动液压泵、液压马达、控制辅件等经减速机驱动。图2是小型混凝土搅拌运输车液压系统示意图。

1. Hydraulic drive system: the rotation of the mixing drum adopts the power take-off device, which drives the hydraulic pump, hydraulic motor, control accessories, etc. in turn through the reducer. Figure 2 is the hydraulic system diagram of small concrete mixer truck.

2．供水系统：供水系统为气供水，主要是用于车体、叶片冲洗和干料加水以及其它用途。将通常所用的水泵供水改为气供水，从底盘取气，构成是由水箱、供气系统、水管路组成。供气系统从储气筒经顺序阀、减压阀(调节压力0．4—0．45MPa)、手动转阀向水箱内供气增压，实现供水。同时配备压力自动启闭开关，在底盘气压达到0．4MPa时自动开启，这样可以保证底盘所需气压，保证行车。

2. Water supply system: the water supply system is air water supply, mainly used for car body, blade washing, dry material water and other purposes. The water supply of water pump usually used is changed into gas water supply, and gas is taken from the chassis, which is composed of water tank, gas supply system and water pipeline. The air supply system supplies air and pressurizes the water tank from the air reservoir through the sequence valve, pressure reducing valve (regulating pressure 0.4-0.45mpa) and manual rotary valve to realize water supply. At the same time, it is equipped with a pressure automatic opening and closing switch to automatically open when the air pressure of the chassis reaches 0.4MPa, so as to ensure the air pressure required by the chassis and the driving safety.

图2 小型混凝土搅拌运输车液压系统

Figure 2 hydraulic system of small concrete mixer truck
全自动搅拌车

3．搅拌筒：搅拌筒为橄榄形钢板筒，内有搅拌叶片，筒体上有人孔及滚轮、滚道等件，由减速机和两个滚轮支承，减速机驱动旋转。搅拌筒的主要作用是搅拌和卸料。顺时针旋转为进料、搅拌和搅动，逆时针旋转为卸料。

3. Mixing drum: the mixing drum is olive shaped steel plate drum, with mixing blades inside. There are manholes, rollers, raceways and other parts on the drum, which are supported by the reducer and two rollers. The reducer drives the rotation. The main function of mixing drum is mixing and discharging. Clockwise rotation is feeding, mixing and agitation, and counterclockwise rotation is unloading.

4．操纵系统：车辆左侧前后设有操纵器，后端有油门拉线手柄。搅拌筒进料与卸料速度直接由调速软轴控制发动机转速，保持筒体的转速在0—16r／min之间。

4. Control system: the left side of the vehicle is equipped with a manipulator at the front and rear, and the rear end is equipped with a throttle cable handle. The feed and discharge speed of the mixing drum is controlled by the speed regulating flexible shaft to keep the speed of the drum between 0-16r / min.

5．进出料装置：主要由进料斗、固定出料斗及活动出料斗、变幅机构、加长溜槽等组成。筒体正转时，预拌混凝土从进料斗装入搅拌筒；反转时，混凝土从简内通过出料斗自动卸出，沿卸料槽加长溜槽流到所需位置。变幅机构可使卸料溜槽和加长溜槽在水平方向上摆动180。

5. Feeding and discharging device: mainly composed of feeding hopper, fixed discharging hopper and movable discharging hopper, luffing mechanism, lengthening chute, etc. When the cylinder is in positive rotation, the ready mixed concrete is loaded into the mixing cylinder from the feed hopper; when it is in reverse rotation, the concrete is automatically discharged from the inside through the discharge hopper, and flows to the required position along the extended chute of the discharge chute. The luffing mechanism can make the discharging chute and the lengthening chute swing 180 in the horizontal direction.

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