Concrete Pump second-generation transportation technology

Concrete Pump second-generation transportation technology: fully hydraulic control commutation technology The first generation pumping technology: electronically controlled commutation technology, PLC control solenoid valve switches to achieve pumping, S tube allocated to pay to replace. Machine assembly is simple, low production costs, but the electrical control complexity, high failure rate and maintenance cost, easy to delay the progress of the project is the biggest drawbacks. The second generation pumping technology: high quality and low price dry concrete mixer for sale hydraulic reversing technology, relies entirely on the master cylinder, hydraulic cylinder distribution of small signal changes to achieve action commutation. 1, pumping, S pipe distribution without PLC electrical components involved in concrete, lower failure rate, control is more reliable product life greatly improved. 2, fully hydraulic pump control technology, there is no constant pressure pump control box is not PLC, no nitrogen gas tank, water tank at no proximity switch, simple structure, maintenance costs are significantly reduced. 1) concrete pump should be placed on a solid flat surface, lay down the legs, the body placed stable. Should be checked before 2) work, make sure electrical equipment and instrument, various parts of the switch button, the handles are in the correct position, the mechanical part of the fastening point solid, reliable, chain and belt tension to meet the requirements, transmission parts in normal operation. 3) concrete delivery pipe joints should be sealed tight, the card should be securely connected pipe. Not less than 10m front vertical pipe horizontal pipe with a check valve, non-vertical pipe directly connected to the concrete pump outlet. 4) pipe blockage, should evacuate personnel around. Should be taken to counter before removing the pipe cleaning method, remove the pressure pipeline. When removing the nozzle of people prohibited. 5) Do not remove the hopper grille net and other safety devices work. Can not climb and ride-pressure transmission pipeline, extending into the valve body can not handle the work, it is strictly prohibited disassemble pipeline pumping. 6) when cleaning pipes, the operator should leave the pipe outlet and elbow joints. When cleaning with compressed air, such as pipes, pipe within 10m at the exit can not be someone and equipment. 7) After operation, the hydraulic pressure relief system, the entire control switch back to the original position.

Output capacity

1, concrete pump output Calculation The actual average output of concrete pumps, Construction Equipment Manual Concrete Placing Boom manufacturers according to the maximum output of concrete pumps, piping conditions and operational efficiency, calculated as follows: Q1 = 0max * a * η Where the actual average output per Q1- a concrete pump (m / h); Qmax- maximum output of each concrete pumps (m / h); a-- pipe condition factor. Preferably 0.8~0.9; η- working efficiency. A concrete mixer truck to concrete pump intermittent feeding time, removable concrete output tube and fabric stop, etc., it is desirable 0.5~0.7. 2, each equipped with a stirring concrete pump required to calculate the number of truck When concrete pump continuous Construction Equipment Manual Concrete Placing Boomfor sale operation, each with concrete pump required number of units of concrete mixer truck can be calculated as follows: N = (Q1 / V) * (L / S + Tt) Where the number of units concrete mixer truck N- (Taiwan); The actual average output per Q1 a concrete pump (m / h); V- each concrete mixer truck capacity (m); S- concrete mixer truck average traffic speed (km / h); L a concrete mixer truck and from distance (km); Each Tt a concrete mixer truck total down time (h).

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