| 摘要 |
FIELD: machine building.SUBSTANCE: rotary support device for security systems comprises azimuthal component and elevation component fixed on vertical bearing tube with bearing flanges and with through cavity for arrangement of electric cables connecting internal components of device and elements of external suspended devices. Supporting pipe has opposite ends of upper and lower end ventilation holes on bearing flanges connected with cavity of bearing pipe for passage of air flows in it, as well as side ventilation holes located inside housing, communicating with cavity of bearing pipe and with cavity of housing for passage of air flows from bearing tube inside housing. Support flange is connected with plug-base comprising an air connecting pipe for connection of air duct of external ventilation and thermal control and air flow passage of air duct external ventilation system in cavity of plug-base connected with end hole of bearing pipe located on supporting flange.EFFECT: better ventilation and thermal control and, consequently, lower power consumption of device.7 cl, 2 dwg |
