Double spiral blades are set on the inner wall of the mixing drum of the feeding cement mixer, which rotate in the positive direction for feeding and concrete mixing; In reverse rotation, the concrete is discharged from the discharge port under the push of the spiral blade. The operation specification of self feeding cement mixer is introduced as follows:
1. After unloading at the construction site, immediately flush the feed hopper, discharge hopper, discharge chute, etc. with the hose attached to the feeding cement mixer, and clean up the sludge and concrete adhered to the vehicle body. On the way back to the mixing plant, 150-200l water shall be injected into the mixing drum to clean the concrete residue bonded to the drum wall and blades.
2. At the end of each day's work, the driver shall be responsible for injecting clean water into the mixing drum and rotating at high speed (14-18 RPM) for 5-10 minutes, and then draining the water to ensure the cleanness of the drum. When cleaning all parts of the mixing drum with high-pressure water, pay attention to avoid instruments, control rods and other parts. The distance between the pressure water nozzle and the paint surface of the vehicle body shall not be less than 40cm.
3. When cleaning the accumulated dirt and residual concrete residue inside and outside the mixing drum, and when the mechanical maintenance personnel enter the drum for maintenance and welding repair, it is necessary to turn off the self feeding cement mixer engine first to stop the mixing drum completely. During the period when the mechanical maintenance personnel enter the drum for work, they should ensure that the mixing drum has good ventilation, fresh air, no combustible gas and harmful dust, and sufficient oxygen supply. When using electric tools in the cylinder, the operator should have good insulation protection.
4. When working, do not put your hand into the rotating mixing drum. It is strictly prohibited to put your hand into the connecting part of the main discharge chute and the extended discharge chute. How to standardize the operation of the self feeding cement mixer to avoid accidents.
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