Ventilator air door flashboard position sensing device

• Main Authors: MI QIANG, ZHU HAILIANG, LIU PENG, FENG ZHIGANG, BAI LIDONG, CAO PEICHUAN
• Format: Patent
• Language: Chinese; English
• Published: 28.05.2024
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The utility model provides a ventilator air door flashboard position sensing device, and relates to the field of coal mines. The ventilator air door flashboard position sensing device comprises two sensing devices which are respectively used for judging the states of two fan air doors; the induction device comprises a steel wire rope, a steel wire rope and an induction device, wherein one end of the steel wire rope is connected with the top of the fan air door; the pulley is fixed with the air door of the fan; the heavy hammer is fixedly connected with the steel wire rope and is in sliding connection with the pulley; the limit switch is arranged on a side cover plate of the air door of the fan; the limiting switch is in communication connection with the indicating lamp; the problem that the switching position of the flashboard cannot be accurately judged is solved, the state can be monitored in the switching process of the flashboard, and the safety risk of wind current short circuit caused when the fan is sw