Working Principle of Deutz Diesel Generator Set Pneumatic Motor

The starting pneumatic motor of Deutz diesel generator set includes plunger type and blade type. The vane motor QQM-1 pneumatic motor is widely used. It consists of rotor, stator, speed change gear, safety clutch, starting gear and other parts. Now Starlight Power will share with you the working principle of Deutz diesel generator set pneumatic motor.

The stator and the front and rear air distribution discs are fixed on the housing through locating pins, while the rotor blades are freely placed outside the axial slot of the rotor, and the rotor group with blades rotates in the eccentric hole of the stator. The head of the rotor is equipped with a driving gear, which is engaged with the driven gear 17. Its speed ratio is 17/37, which plays the role of reducing speed and increasing torque. The drive shaft transmits power to the gear through a friction clutch. The inner hole of the starting gear has a right thread which is matched with the screw rod. The left section of the screw rod is a spline shaft, and the spline part is installed in the clutch spline hole.

When the rotor rotates, it will be transmitted to the screw immediately, and the pinion will be thrown to the flywheel from the rear end of the screw under the inertial action to engage with the starting gear. After the Deutz diesel generator is started, the flywheel speed will be very high quickly and the flywheel will turn from passive to active. The starting reaction inertia and the return spring will be thrown back and disengaged.

When the compressed air is sent into the stator chamber from the air inlet, another part of the high-pressure air enters the bottom of the blade through the air distribution holes on the front and rear air distribution discs to lift the blade, so that the top of the blade is closely contacted with the inner wall of the disciple for better sealing. However, due to the imbalance of both sides of the blade, the blade will drive the rotor to rotate counterclockwise. When the space between the two blades is connected with the exhaust port, the space in the space will be rotated 180 ° from the exhaust port to be reinstalled, which can change the rotation direction of the pneumatic motor.

The above is the working principle of the Deutz diesel generator set pneumatic motor, from which we can clearly understand the reason for the change of the rotation direction of the Deutz diesel generator set pneumatic motor. All this is due to the perfect cooperation between the various moving components, and the ultimate goal is to make the generator set operate stably.

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