Double spiral blades are installed on the inner wall of the truck mixing drum, which rotate in a positive direction to mix the incoming concrete; Reverse rotation, driven by spiral blades, concrete is discharged from the discharge port. The safety operation specifications for self loading mixer trucks are as follows: 1. Unloading at the construction site
Double spiral blades are installed on the inner wall of the mixing drum of the self feeding mixer truck, which rotate in a positive direction to mix the feeding concrete; Reverse rotation, driven by spiral blades, concrete is discharged from the discharge port. The safety operation specifications for self feeding mixer trucks are introduced as follows:
After the unloading at the construction site is completed, the inlet and outlet chutes of the hopper should be immediately flushed with the hose accompanying the self loading mixer truck to remove sludge and concrete adhering to various parts of the vehicle body. On the way back to the mixing station, 150-200L of water should be injected into the mixing drum to clean the concrete residue adhered to the drum wall and blades.
After the end of each day's work, the driver should be responsible for injecting clean water into the mixing drum and rotating it at high speed (14-18 rpm) for 5-10 minutes, then draining the water to ensure cleanliness inside the drum. When cleaning various parts of the mixing drum with high-pressure water, attention should be paid to avoiding parts such as instruments and control rods. The distance between the pressure water nozzle and the painted surface of the vehicle body shall not be less than 40 centimeters.
When removing dirt and residual concrete debris inside and outside the mixing drum, as well as when maintenance personnel enter the drum for maintenance and welding operations, it is necessary to first turn off the engine of the self feeding mixing truck to completely stop the mixing drum from rotating. During the period when maintenance personnel enter the mixing drum for work, they should ensure good ventilation, fresh air, no natural gases or harmful dust, and sufficient oxygen supply inside the mixing drum. When using electric tools inside the cylinder, operators should have good insulation protection.
During work, it is not allowed to extend your hands into the rotating mixing drum. It is strictly prohibited to extend your hands into the connection part of the main discharge chute and the extended discharge chute automatically. How can staff operate the self loading mixing truck in a standardized manner to avoid accidents.
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