How to deal with the tank stop of the self loading concrete mixer?

25-05-2020

1. How to deal with the tank stop of the self loading concrete mixer?


If theself loading concrete mixer cannot be repaired before the concrete is pre-consolidated, emergency measures should be taken immediately:



(1) Connect the "emergency oil pipe" to unload the concrete when the motor and speed reducer of the automatic loading mixer are free of troubles to prevent the occurrence of condensation irrigation.


(2) The motor or reducer of the self loading concrete mixer mixer is faulty and it is determined that the tank cannot be rotated before the concrete is pre-set. Please quickly open the manhole cover. If the manhole cover is not under the tank, you need to taper the front of the tank The bottom opening (Φ = 1250px, avoid the original weld bead), at the same time must continue to fill the feed port with a large amount of clean water, flush the concrete in the tank, until no concrete flows out under the tank body, a small amount of residual concrete in the tank requires manual Clean up, clean up after cleaning, re-weld the cut part to the tank (install the manhole cover), and polish the paint. Second, the solution of the tank of the automatic feeding mixer does not turn




Check if the radiator fan of the self loading concrete mixer is turning, the hydraulic oil is emulsified and white, the temperature of the hydraulic oil exceeds 90 degrees, the hydraulic system has no pressure, and the tank will not turn! (Don't worry about this situation. Cool the hydraulic pump, hydraulic motor, and hydraulic oil with water, and the tank can roll. Put the material out and quickly repair the radiator or replace the hydraulic oil!)


(1) Check if the hydraulic oil is leaking (the tube is broken, replace the tube, and the seal is broken, replace the seal)!


(2) Check that the radiator fan is not rotating, the hydraulic oil is emulsified and white, and the temperature of the hydraulic oil exceeds 90 degrees, the hydraulic system has no pressure, and the tank will not turn! (Do n’t worry about this situation, cool the hydraulic pump with water. , The temperature of the hydraulic motor and the hydraulic oil is lowered, and the jar can roll. Put the material out and quickly repair the radiator or replace the hydraulic oil!)


(3) During the transportation, the jar stopped because of the failure! The concrete collapsed and the jar could not be turned over! (It may be the case that the pressure can turn a little)


(4) The engine is faulty (impossible, rumbling sounds !!) or the ten bytes of the drive shaft are damaged and broken (a breaks and replaces a drive shaft immediately; b the drive shaft is good);


(5) The hydraulic pump is damaged (the situation is more complicated, the diarrhea is severe, other damage);


The above six conditions are present, and the concrete is not agglomerated, the hydraulic motor and the reducer are not defective, and the emergency device can be used to use the hydraulic pump of another automatic feeding mixer to drive the hydraulic motor to roll the tank, release the concrete, and then overhaul!


(7) The hydraulic motor is damaged!


(8) The reducer is broken !!


(9) The seven and eight situations are present, and emergency devices cannot be used! The inspection cover on the tank can be opened to release the concrete. What to do above the tank


(10) The tank inspection cover can be rotated to the bottom with a tower crane or a hoist to release the concrete.


(11) What should I do if the jar is stuck and cannot be rotated?


(12) It is possible to cut a 50 cm square hole with gas under the tank side (pay attention to avoid the spiral blades in the tank, the cut tank wall must be preserved, and the correction is quick, convenient and beautiful), and release the concrete.


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