Drum-type coal cutter rocker arm
A shearer and drum-type technology, which is applied to the field of drum-type shearer components, can solve problems such as unreasonable structural design and unsatisfactory internal lubrication, and achieve the effects of novel structure, compact structure and ingenious conception.
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[0012] The rocker arm of the drum shearer includes a rocker housing 7 and a reduction transmission system. The reduction transmission system is composed of a planetary reducer 3 located at the inner head of the rocker housing 7. The coal mining The rocker arm also includes a low-speed high-torque permanent magnet motor longitudinally arranged below the planetary reducer 3 in the rocker arm housing 7. The permanent magnet motor includes an inner rotor 8 and an outer stator 9. The permanent magnet motor is fixed on the The spline shaft 10 at the center of the inner rotor 8 is drivingly connected with the planetary reducer 3 .
[0013] During specific implementation, the spline shaft 10 includes a shaft with a longitudinal groove on the outside and a rotating member sleeved on the shaft and rotating synchronously with the shaft. The output shaft of the permanent magnet motor is the shaft of the spline shaft 10 , and the input shaft of the planetary reducer 3 is the rotating p...
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