The soft and reasonable operation mode of self loading concrete mixer can be summarized as: one light, two stable, three leave, four frequently, five coordination, six prohibition.
One light: when the self loading concrete mixer works, the heel of the truck is close to the driver's cab road surface, the sole plate and the accelerator are kept flat, and the oil pedal is gently pressed down.
Second stability: since the concrete mixer truck is working, the throttle should always be stable. Under normal operation condition, the throttle opening degree should be about 70%.
Three separation: when the self loading concrete mixer is working, the sole plate should be separated from the brake pedal and placed flat on the cab road surface, not on the brake pedal. Since the loading concrete mixer often works in the uneven construction site, if the foot has been stepping on the brake pedal, the body up and down will cause the driver not to lightly step on the brake pedal. Under normal conditions, it is necessary to control the engine condition and shift gear by adjusting the throttle speed. This not only prevents the brake system from being too hot due to frequent braking, but also provides convenience for the rapid acceleration of self loading concrete mixer.
Four frequently: when the self loading concrete mixer is working, especially when digging, the bucket should be filled with material by turning the lifting and bucket control lever with the circulation system under the condition of stable throttle. The rotation of the circulation system of the lifting and rotating control lever is the so-called "diligence". This process is very critical and has a great impact on fuel consumption.
Five coordination: coordination is the ingenious mutual cooperation of lifting and bucket control rods. Since the loading concrete mixer, the general digging process is to put the bucket flat on the road surface and drive to the material pile stably. When the bucket is flat and the shovel meets resistance to the material pile, the first thing to do is to lift the arm first and then take back the bucket. In this way, the resistance at the bottom of the bucket can be prevented reasonably, and the larger digging force can be fully used.
Six prohibitions: the first is to prohibit tire deviation. When the concrete mixer truck is working, when it encounters resistance and gives the accelerator suddenly, the tire will run off. This kind of situation is generally caused by the driver's poor operation, which not only increases the fuel consumption but also damages the tire. In addition, the rear wheels must not be cocked up. Because of the large digging force of the self loading concrete mixer, the driver is usually in the working process of digging solid original soil and stone hill. If the actual operation is not good, it is very easy for the two rear wheels to rise up and leave the ground. The landing inertia of this kind of lifting action will cause the blade of the bucket to crack and the bucket to deform; when the rear wheel is very high, it is very easy to cause the welding joints of the front and rear frames to crack, and even the plate to crack. Third, it is forbidden to collide with the pile. When excavating common materials, the automatic loading mixer can work in gear II, and inertial impact to the material pile at the gear above II is prohibited. The reasonable way should be that when the bucket is close to the pile, it should timely change the gear to I gear to complete a shoveling process
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