Fire extinguishing system and fire engine containing the same
A technology of firefighting system and fire truck, which is applied in fire rescue and other fields, can solve the problems of limited head of fire pump, restriction of combat capability, inability to independently complete fire fighting tasks of super high-rise buildings, etc., and achieve the effect of preventing internal leakage and optimizing design
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[0035] The core of the present invention is to provide a hydraulically controlled double plunger pump with an optimized structure, which includes two plunger groups composed of a medium cylinder and an oil cylinder. The flow ports of the medium cylinder are connected with an inflow check valve for one-way conduction from the outside to the inner cavity of the cylinder, and an outflow check valve for one-way conduction from the inner cavity of the cylinder to the outer outlet; the two described The oil cylinder is configured to expand and contract alternately under the control of the control valve. Compared with the prior art, the present invention can reliably increase the output pressure and flow rate of the pump, thereby satisfying the fire-fighting requirements of super high-rise buildings.
[0036] Without loss of generality, the water tank fire truck and the climbing platform fire truck are taken as examples below, combined with the accompanying drawings for specific desc...
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