Ventilation and smoke exhaust construction device for underground powerhouse of pumped storage power station

The invention discloses a ventilation and smoke exhaust construction device for an underground powerhouse of a pumped storage power station, which relates to the technical field of ventilation and smoke exhaust and comprises a powerhouse supporting wall, a smoke exhaust and ventilation pipeline arranged in the powerhouse supporting wall, a connecting pipeline mounted at the upper end of the powerhouse supporting wall, an acceleration fan arranged in the smoke exhaust and ventilation pipeline, and a cleaning component arranged above the acceleration fan. An ash removal assembly is arranged below the acceleration fan, a fixed smoke exhaust ventilation pipe is arranged at the other end of the connecting pipeline, and an air outlet smoke exhaust adjusting assembly is arranged on the fixed smoke exhaust ventilation pipe. Dust attached to the fan blades of the acceleration fan can be cleaned through the dust removal brush on the cleaning frame, the dust can be conveyed to the cleaning brush through cooperation with