HOWO concrete mixer trucks
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HOWO Concrete Mixer Trucks

HOWO concrete mixer trucks used to transport concrete for construction; it is also often referred to as a snail truck due to its shape. These trucks are equipped with cylindrical mixing drums to carry the mixed concrete. During transportation, the HOWO concrete mixer trucks is kept rotating to ensure that the concrete carried does not solidify. After the concrete is delivered, the inside of the HOWO concrete mixer trucks is usually flushed with water to prevent the hardened concrete from taking up space and making the volume of the mixing drum less and less.A special truck used to transport concrete for construction; it is also often referred to as a snail truck due to its shape. These trucks are equipped with cylindrical mixing drums to carry the mixed concrete. During transportation, the mixing drum is kept rotating to ensure that the concrete carried does not solidify. After the concrete is delivered, the inside of the mixing drum is usually flushed with water to prevent the hardened concrete from taking up space and making the volume of the mixing drum less and less.

HOWO concrete mixer trucks

HOWO concrete mixer trucks is composed of automobile chassis, mixing drum, transmission system, water supply device and other parts. Due to technical bottlenecks, the four major components of domestic mixer trucks are all imported.

The HOWO concrete mixer trucks is composed of: second-class chassis, transmission system, hydraulic system, frame, mixing tank, feeding and discharging device, water supply system, control system, human ladder and other parts. The front end of the mixing tank is connected with the reducer and installed on the front of the frame, and the rear end is supported by two supporting wheels installed on the back of the frame through the raceway.

HOWO concrete mixer trucks

Precautions for the use of HOWO concrete mixer trucks

1.The pressure of the hydraulic system should comply with the regulations in the instruction manual and should not be adjusted arbitrarily. The oil quality and quantity of hydraulic oil should meet the original requirements.

2. Before loading the HOWO concrete mixer trucks, the remaining water and debris in the mixing drum should be drained. During transportation, keep turning to prevent the concrete from segregating. Before the concrete mixer truck arrives at the construction site and unloads, the mixing drum should be rotated at full speed at 14-18 rpm for 1-2 minutes, and then reverse unloading. Before reversing, the mixing drum should be brought to a standstill.

3. When the ambient temperature is higher than +25 degrees Celsius, the duration from loading, transporting, to unloading shall not exceed 60 minutes, and when the ambient temperature is lower than +25 degrees Celsius, the above-mentioned time shall not exceed 90 minutes.

4. During construction in winter, it should be done practically: check whether there is ice before starting the machine; carefully remove the residual water in the mixing drum and the water supply system when leaving work, turn off the switch of the water pump, and put the control handle in the “stop” position.

5. After unloading at the construction site, immediately use the hose provided with the mixer truck to flush the feed hopper, discharge hopper, discharge chute, etc., to remove the sludge and concrete adhering to the 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 bonded by the drum wall and the blades.

HOWO concrete mixer trucks

6.At the end of each day’s work, the driver should 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 that the drum is clean. When cleaning each part of the mixing drum with high pressure water, avoid the instrument and the joystick and other parts. The distance between the pressure water nozzle and the painted surface of the vehicle body shall not be less than 40 cm.

7. When removing the dirt inside and outside the mixing drum and the remaining concrete slag, and when the mechanic enters the drum for maintenance and welding repair work, it is necessary to turn off the HOWO concrete mixer trucks engine first to make the mixing drum completely stop rotating. During the working period of the mechanic entering the cylinder, it is necessary to ensure that the mixing cylinder is well ventilated, the air is fresh, there is no natural gas and harmful dust, and the oxygen supply is sufficient (pure oxygen should not be used). When using power tools in the barrel, the operator must have good insulation protection.

8. When working, do not put your hand into the rotating HOWO concrete mixer trucks, and it is strictly forbidden to put your hand into the connecting part of the main discharge chute and the extended discharge chute to avoid accidents.

9. The wear of the stirring blades should be checked regularly and repaired and replaced in time.

10. Implement all relevant safety operation specifications. HOWO concrete mixer trucks drivers must undergo professional training, and those who do not have a certificate are not allowed to work.