Composition and working principle of piston pneumatic motor

Composition and working principle of piston pneumatic motor

Mainly composed of a motor housing, connecting rod, crankshaft, piston, cylinder, gas distribution valve, etc.

Working principle of pneumatic motor: compressed air enters the gas distribution valve core to make it rotate, and at the same time, the compressed air is sent to the surrounding cylinders in sequence by the rotation of the gas distribution valve core. Due to the expansion of the compressed air in the cylinder, the piston connecting rod and the crankshaft are driven to rotate. When the piston is pushed to the "bottom dead center", the gas distribution valve core is also turned to the exhaust position. The expanded gas is discharged directly from the cylinder through the exhaust channel of the valve. At the same time, the remaining gas in the piston cylinder is all discharged from the exhaust channel of the gas distribution valve core distribution valve. After such a reciprocating cycle, the crankshaft can be rotated continuously. Its work mainly comes from the gas expansion work.