| 摘要 |
FIELD: speed control apparatus for rail-mounted transportation facilities and heading equipment in mining industry. SUBSTANCE: device has speed sensor connected with locking mechanism. Synchronous magnitoelectric tachogenerator is connected with control relay of parachute locking mechanism. Rotary magnet of tachogenerator is mounted on wheel rim, and stationary winding is secured on axle of pair of wheels. Compact-size control mechanism monitors overspeeding of skip motion and produces power pulse to parachute control system at predetermined travel speed. EFFECT: high efficiency. 3 cl |
