Every user wants to see the normal operation of concrete mixer, which requires users to pay attention to the following three links when using the mixer:

　　1.搅拌机运行前:混凝土搅拌机运行前后，传动机构、工作装置、制动器等。应进行可靠的检查和紧固，以确保正常运行。大齿圈、皮带轮等部件上应安装防护罩，搅拌筒、支撑传动和运动部件以及仓门、斗门和轨道内不得有异物卡住。

　　1. Before mixer operation: before and after concrete mixer operation, transmission mechanism, working device, brake, etc. Reliable inspection and fastening shall be carried out to ensure normal operation. Protective cover shall be installed on the big gear ring, belt pulley and other parts. There shall be no foreign matters stuck in the mixing drum, supporting transmission and moving parts, bin door, bucket door and track.

　　2.混合器正在运行:

　　2. Mixer running:

　　(1)进料时，严禁将头或手伸入料斗和机架，操作时不得用手或工具等东西伸入搅拌筒扒料卸料。

　　(1) When feeding, it is strictly forbidden to put the head or hand into the hopper and rack, and do not use hands or tools to reach into the mixing drum to pick up and discharge materials.

　　(2)料斗上升时，禁止在料斗下工作或行走。料坑底部应为料斗提供一个枕头，在清理料坑时，料斗应使用链条固定。

　　(2) When the hopper rises, it is forbidden to work or walk under the hopper. A pillow shall be provided for the hopper at the bottom of the pit, and the hopper shall be fixed by chain when cleaning the pit.

　　(3)向搅拌筒加料应在运行中进行；添加新材料只能在搅拌机中所有的原混凝土卸载后进行。除反向卸料外，不要中途停止搅拌机或在搅拌机满载时启动搅拌机。

　　(3) The charging of the mixing drum shall be carried out in operation; the addition of new materials can only be carried out after all the raw concrete in the mixer has been unloaded. Do not stop the mixer midway or start the mixer when the mixer is fully loaded, except for reverse discharge.

　　(4)作业时，如故障不能继续运行，应立即切断电源，将搅拌筒内的混凝土清理干净。

　　(4) During operation, in case of failure, the power supply shall be cut off immediately and the concrete in the mixing drum shall be cleaned up.

　　3.搅拌机运转后:当混凝土搅拌完成或预计停止1小时以上时，除了排出剩余的材料外，还应将石头和清水倒入振动桶中，并打开搅拌机，将附着在桶上的砂浆清洗干净后排出。桶内不得有积水，以防桶和叶片生锈。同时，还应清理搅拌筒外积聚的灰尘，以保持机器的清洁和完好。

　　3. After the mixer is running: when the concrete mixing is completed or it is expected to stop for more than 1 hour, in addition to discharging the remaining materials, stones and water should also be poured into the vibrating bucket, and the mixer should be opened to clean the mortar attached to the barrel before discharging. There should be no water in the barrel to prevent the barrel and blades from rusting. At the same time, the dust accumulated outside the mixing drum should be cleaned to keep the machine clean and intact.

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