Concrete placing boom Matters needing attention

After the pouring of concrete, it is necessary to use the mortar and the clean water to wash the pump, each time by pumping clean water cleaning, must use the scale cleaning ball, shall not be used instead of other objects, after cleaning, the first hanging weight, after hanging cloth rod body to a working position, after installation, hanging in the balance, repeat the previous.

Cloth rod can not be arbitrarily long, shall be connected to a long time, in the greater than promised to work in a fixed position must be equipped with a fixed support.

When the discharge port is changed, the outlet is covered with a sack, and the concrete is prevented from falling on the ground.

Ready concrete pouring of the signal lines and intercom, double control, columns, walls of concrete pouring in, to ensure that the lamp pump stop, stop stopped, the front concrete must advance 4S halted, lights, communication must be established a special, night construction control of concrete with flashlight required, see concrete pouring height.

Test with rope control of concrete material outlet, and the middle arm bending demolition, run for a week in the maximum range.

Concrete pump in to take over, must check full pump tube are cleaned, the interface required by rubber gasket. Connect the concrete pump pipe shall check the bolt.

With the cable wind rope cloth rod fixed legs, cable wind rope not too tight, the interval should be set aside cloth rod deformation.

When the material rod is arranged on the frame, the supporting legs are compacted, and the utility model can not be used when the ground is installed on the floor.

Placed placing boom and counterweight, cloth of the intermediate lever must arrange 200~300mm, supporting feet beneath sleeper or wood, check cloth rod body is vertical.

The frame body which is placed in the position of the cloth rod is put in the frame, and the checking and acceptance are carried out to calculate the bearing capacity of the bearing part, the reinforcement of the double fastener and the stable condition of the foundation.

Check whether all the cloth rod bolts tightened, rotating shaft is normal.

The cloth rod straight, whether in the case of straight do not weight. (general cloth rod into in don't weight can stand straight, due to the lifting cloth rod, common crane can not be cloth bar and counterweight hanging together, need points twice to hoisting and installation).