Blade type pneumatic motor capable of controlling rotor mounting clearance

• Main Authors: LI XIAORONG, YE XIAOFEI, YE HAIRUI, LI XIAOPENG, YANG FAZHENG
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2023
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES; STEAM ENGINES; WEAPONS

A vane type pneumatic motor capable of controlling rotor installation gaps comprises a hollow cylinder body structure formed by combining a front cover, a rear cover and a shell and a rotor rotationally arranged in the cylinder body through two rolling bearings, the rotor is eccentrically arranged in a cavity of the cylinder body, a plurality of radial grooves are evenly formed in the rotor, and the rotor is arranged in the cavity of the cylinder body. A radial groove is formed in the rotor, a blade capable of sliding in the radial direction of the rotor is arranged in the radial groove, an air inlet hole is formed in the rear cover, an exhaust hole is formed in the shell, the lining is arranged at the position of the front cover or the rear cover, and during installation, one end of the lining is tightly attached to the rotor, and the other end of the lining is tightly attached to the inner circle of the corresponding rolling bearing. A gap a between the rotor and the front cover and a gap b between the roto