Sanitation truck pneumatic clutch pressure stabilizing system and road sweeping sanitation truck

The utility model provides a sanitation truck pneumatic clutch pressure stabilizing system and a road sweeping sanitation truck. The device comprises an air source, an air valve, a pneumatic clutch and a pressure stabilizing device, the air source is connected with the air valve, the pneumatic clutch is connected with the air valve, the pressure stabilizing device is connected with the air source,the air valve and the pneumatic clutch, and the pressure stabilizing device is used for judging that the pressure of the air source is within a preset range. When the pressure stabilizing device judges that the pressure of the air source is within the preset range, it is indicated that the pressure of the air source is stable, the air valve is opened, stable air pressure suitable for working of the pneumatic clutch is output to the pneumatic clutch, the pneumatic clutch works stably, and when the pressure stabilizing device judges that the pressure of the air source is not within the preset range, the air valve is cl