Coal mine ventilation adjusting device

• Main Authors: ZHANG TAO, NIU MINGXING, PEI JIAN, ZHAO LU
• Format: Patent
• Language: Chinese; English
• Published: 21.03.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS; SEPARATION; TRANSPORTING

The utility model relates to the technical field of ventilation adjusting devices, in particular to a ventilation adjusting device which comprises a sleeve, an equipment box and an air inlet pipe, an adjusting mechanism is installed on the sleeve, the air inlet pipe and an air outlet pipe are installed at the two ends of the sleeve respectively, a second fixing frame is fixedly installed in the sleeve, and a double-shaft motor is installed on the second fixing frame. Through the arrangement of the adjusting mechanism, a user can conveniently adjust the air outlet volume of the air outlet of the ventilation pipe, the time for manually adjusting the position of the adjusting plate is shortened, and the efficiency of adjusting the air outlet volume of the air outlet is improved; and dust particles at the air inlet are conveniently filtered and cleaned, the time for cleaning the dust particles and large garbage on the surface of the filter screen is shortened, the situation that a large amount of dust is accumula