As we all know, concrete is a very important building material, in today's construction, whether it is construction, bridge, reservoir, all need to involve concrete. With the pouring of concrete, these buildings also have the main structure, the durability and compression resistance of concrete will extend the life of the building, which is widely used in civil engineering construction at present.
The concrete mixer of zhongkejufeng also needs to transport concrete. On the streets of life, you will find a truck dragging a large white concrete tank between the mixing plant and the construction site. But some friends will ask what to do if the concrete in the mixer solidifies. Today's editor will introduce the reasons and solutions for the solidification of the concrete mixer.
1、 Causes of concrete setting
1. Charging box does not rotate
The disadvantage of the mixer is that it can't operate, there is no power input to the hydraulic press, which causes the hydraulic press to stop working, so the charging cabinet can't rotate, and the concrete pipe doesn't flow, which leads to the condensation in the concrete mixing tank.
2. The mixer is broken
The mixer is a kind of transportation vehicle. When it is often transported in the driving, it will inevitably encounter failures. When the driver repairs the vehicle, he does not make slow coagulation in time, and removes or transfers the soil in the mixing tank, which will solidify after a long time.
3. The water tank is not cleaned thoroughly
Because the tank was not cleaned after the last transportation, the concrete left in the pipeline solidified, which affected the volume of the mixing tank, resulting in the concrete solidification in the later transportation.
Concrete curing liquid of mixer truck
1. Ask for help from rescue vehicles
First, close the mixer, remove the high-pressure pipe joint from the hydraulic motor, and prepare the emergency drive hose. Remove the high-pressure oil pipe of the hydraulic motor of the rescue vehicle and connect it to the corresponding connector of the agitator with the emergency drive hose. Start the rescue vehicle, move its control handle to the unloading position, and the commercial concrete in the failed vehicle will be unloaded. After the emergency drive is completed, remove the drive hose and restore the two vehicles to the original state.
2. Open the maintenance hole
A wooden wedge is placed between the supporting wheel and the raceway to control the rotation of the mixing drum. Shut down the engine, take off the high-pressure oil pipe of the hydraulic motor, the mixer can rotate freely, control the rotation of the mixer, make the repair hole toward the bottom, then open the repair hole, and remove the commercial concrete in the barrel. At this time, pay attention to safety. After the concrete is unloaded, return to the original appearance of the commercial concrete mixer.
3. Smash concrete with air cannon
Cut an opening in the lower part of the water tank, open a fastening cover on a originally useful screw, and the cover is used by people who need to work to put materials in case of ventilation and emergency. In the process of striking people, ventilation should be carried out in the tank. A typhoon fan should be placed at the entrance of the charging tank to blow in. The work of "air cannon" will make dust and connect the wet and broken concrete of the pipe. When the concrete water tank breaks down, it is shoveled out, partially cut and welded, the cover is sealed, whether the test filled with water can rotate normally, and then whether the charging hydraulic press can work normally with a small amount of increase, and all the normal ones can continue to operate.
In fact, the solution to these measures did not do a good job of protection as usual. During normal transportation, the driver must keep the oil tank running to ensure that the concrete will not set. After the concrete is delivered, the inside of the mixing drum is usually washed with water to prevent the residual concrete from hardening. Generally, the trolley is often repaired to ensure that the engine of the mixer can run normally at any time, so as to ensure that the hydraulic press has enough power to mix concrete. The above is a summary of the causes and solutions for the concrete solidification of the small series of mixer trucks, hoping to provide help to the mixer truck drivers. For more details, please continue to pay attention to: http://www.jufengjiabanji.com/