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Concrete pump operation notes what?
Concrete pump trucks are reconstructed from the chassis of a truck. They are equipped with kinematic and power transmissions, pumping and mixing devices, fabricating devices, and other assistive devices. The power of the concrete pump truck transmits the power of the engine to the hydraulic pump group or the rear axle through the power transfer case, and the hydraulic pump pushes the piston to drive the concrete pump to work. Then use the pump truck cloth rods and pipes, concrete will be transported to a certain height and distance. Notes on the operation of concrete pump truck What? First, the concrete pump truck application safety precautions 1, concrete pump truck can only be used for the delivery of concrete, in addition to any other purposes (such as lifting heavy objects) are dangerous. 2, the pump boom height and distance of pumping concrete are rigorously calculated and experimentally confirmed, any subsequent hose in the end of the hose or the end of the hose is longer than 3m are not allowed, the resulting risk By the operator themselves 3, unauthorized ban on the pump may affect safety changes, including changes in safety pressure, speed setting; switch to large diameter pipe or increase the thickness of the duct, change the control procedures or lines . On the boom and leg changes, etc. 4, pump operators must wear safety helmets, and to comply with safety regulations and site safety regulations Second, concrete pump truck support safety precautions 1, the supporting ground must be level . Otherwise, it is necessary to make a horizontal support surface. Can not be supported on holes. 2, pump truck must be supported on a solid ground, if the maximum leg pressure is greater than the allowable pressure on the ground, you must use the support plate or auxiliary wood to increase the support surface area. 3, pump support in the pit, near the slope, should maintain adequate safety spacing 4, support, to ensure that the machine is in a horizontal state, the whole around the maximum horizontal angle does not exceed 3 degrees. 5, in the expansion or contraction of the legs, the legs are within the scope of the rotation of the danger zone, personnel may be caught in the range 6, support, all legs must be retracted and expanded to the specified position (legs and The alignment of the arrow on the support ear, the front leg arm and the front leg arm arrow alignment) Otherwise there is the danger of tipping 7, the leg must be supported as required to operate the boom, boom must be folded up and placed on the boom Support the legs in order to receive the legs 8, the factors that reduce the stability of the immediate need to close together the boom, remove and re-support requirements, to reduce the stability of the factors include ground conditions caused by rain, snow or other water changes. Third, the concrete pump truck extension boom safety precautions 1, only to confirm that the pump truck legs have been properly supported in order to operate the boom, the operating boom must be in accordance with the instructions in the order 2, thunderstorms or bad weather conditions, Can not use boom. Boom can not be used in more than 8 wind weather 3, the operation of the boom, the boom should be in the field of vision of all operators 4, work near the high-voltage lines be careful of the risk of electric shock, should ensure that the boom and wire Of the safety distance 5, below the boom is a dangerous area, there may be concrete or other parts fall wounding 6, the end of the hose shall not stand within the specified range, the pump starts pumping can not guide the end of the hose, it may Accident caused by wounded wounds or concrete shots The danger zone when starting the pump is the area around the end hoses. The area diameter is twice the length of the end hose. End hose length of the maximum 3m, the danger zone diameter of 6m. 7, do not bend the end of the hose, the end of the hose can not end into the concrete. 8, if the boom appears abnormal movements, it is necessary to immediately press the emergency stop button. Professionals identify the cause and rule out before continuing to use. Fourth, concrete pump truck pumping and maintenance safety precautions 1, pump operation, can not open the hopper screen, water tank cover and other security facilities, can not reach into the hopper, water tank or other moving parts by hand 2, pumping, you must ensure that the hopper concrete in the foot shaft above the position, to prevent inhalation of gas caused by the concrete injection 3, plugging, must first release the pipeline pump pressure, and then to dismantle the concrete Conveying pump pipe. 4, Only when the pump truck is placed on a stable ground, and to ensure that accidental movement will not occur in order to carry out maintenance and repair work 5, only the boom is collapsed or reliable support, the engine is closed and fixed leg, Can be carried out for maintenance and repair work 6, maintenance must be shut down and release the accumulator pressure 7, if you do not first fix the corresponding boom to open the boom hydraulic lock, (Www.liuti.cn) Editor: Huang Nengwen, QQ: