Many customers who purchase mixer trucks may be very skilled in terms of use, but the knowledge is still relatively limited. The following is a detailed introduction to the mixer truck customers for the unloading of the mixer truck. The precautions for use are explained: you need to consult the purchase of the mixer truck. Configuration and price, can also come to the factory reference, we have a professional technical staff to explain in detail how to use and maintenance knowledge.
The unloading link of the concrete mixer truck is actually very important for the construction process of the project. If the unloading is slow, it will waste a lot of time. Most of the slow discharges are mostly small mixer trucks, just because it is small in volume. Slow?
Of course not, the mixer truck is slow to be related to the hydraulic pump and the hydraulic motor. Generally, the hydraulic motor of the small mixer truck is a quantitative gear pump. Its working speed is not so fast, that is, the fuel filler door will not be obviously improved, and it cannot be improved. Long-term increase of the throttle will burn the gear pump.
Another type of hydraulic pump for a mixer truck is a plunger type variable pump. This type of mixer truck generally has a slower speed during transportation, but when the material is unloaded, the speed is fast and the discharge is fast. The quantitative pump and the plunger type variable pump are also different in appearance. The size of the plunger type variable pump is larger than that of the fixed quantity pump, and the structure is also more complicated. It is necessary to pay attention to some problems for the unloading of the mixer truck. First of all, the concrete mixer truck should not be too full when loading. It is necessary to reserve some space for the powder to expand. It is necessary to avoid mixing some impurities into the mixing tank during charging, because this will cause the discharge pipe to be blocked and affect. Discharge speed and residual rate. When the concrete mixer truck is unloading, if the air compressor has abnormal noise, the clutch should be depressed, the engine should be turned off, the power take-off should be turned off, and the discharge can be continued until the fault is removed. Also, when discharging the material, be sure to pay attention to the pressure gauge. The change, the operator can not leave the site during the entire discharge process, to avoid the occurrence of excessive pressure.
When working in an air compressor, avoid standing on the side of the air compressor. When the speed is increased, the throttle should be even. Always keep the tank dry and clean when it is not in use; when repairing the vehicle, be sure to prevent the parts from colliding and avoid knocking, so as to avoid damage, deformation, bumps, scratches, etc. on the parts. The distance between the suction port and the bottom can be adjusted, generally 30-50mm. Remember not to use external air source exhaust. When the air compressor stops working due to other reasons during the air compressor pressurization process, close the recent ball valve of the front and rear warehouses, then open the external air supply, and then turn off the external air supply after a while. Open the balloon valve of the front and rear compartments.
When flushing the vehicle after unloading, the escalator must be grasped by the handrail, and the body is strictly prohibited from touching the rotating part. After flushing the vehicle, close the tank valve and fix the discharge chute and water pipe. When the air compressor stops working due to other reasons during the pressurization of the air compressor, the nearest ball valve of the front and rear bins should be closed, and then the external air source should be turned on. After a while, the external air source is turned off, and the balloon valve of the front and rear bins is opened.
The precautions for the unloading of the mixer must be kept in mind so that the service life of the mixer can be prolonged, and ultimately it can bring us more benefits.
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