混凝土浇筑方案 及注意事项(国外英文资料).docVIP

混凝土浇筑方案 及注意事项(国外英文资料) Main points of service and maintenance of concrete pump truck Concrete pump truck has been widely used in the concrete pouring construction. The advanced technology and the complexity of maintenance and repair of the pump truck have decided that the use, maintenance and management of the pump should be put forward higher requirements. In order to ensure that the concrete pump can meet the specified technical status at the time of work, reduce maintenance costs and improve the reliability and life of the pump, it is necessary to carry out its maintenance procedures conscientiously. Safety operation rules In order to ensure the safety of concrete pump operation and avoid any personal or equipment accidents, the following safety procedures must be strictly observed. 1. site selection. Should be as far as possible from obstacles such as high voltage lines. 2. check before work. The power switch of the operating platform shall be in the off position; the concrete discharge handle and the mixing device shall be located in the middle. 3. leg operation. Concrete pump truck should be placed horizontally, supporting the ground should be flat and solid, to ensure that the work process is not sinking. The supporting leg can stably and reliably support the whole machine and can lock reliably. 4. arm frame operation. When the boom is extended or retracted from a folded state, it must be carried out in accordance with the prescribed order. The slewing of the boom must be carried out after the boom has left the boom bracket completely. No boom may be used during a storm or when the wind reaches 8 or more than 8 degrees (16~17m/s). The boom must not be used for lifting operations. 5. pumping operation. When start or stop the pump, should contact the operator at the end of the hose; the hose end bending radius should not be less than 1m, and no bending; before open the clogged pipes, should reverse pump 2~3 times, to be confirmed no residual pressure in the pipe