Cutting mechanism of thin seam mining machine
A technology for coal shearers and thin coal seams, which is applied in the direction of cutting machinery, slitting machinery, earthwork drilling and mining, etc. It can solve the problems of small mining height of the rear drum, large impact of force on the whole machine, and heavy weight, and achieve reduction wear, improve transmission accuracy, and simplify the structure
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[0039] The invention discloses a cutting mechanism of a thin coal seam shearer (which may be referred to simply as a cutting mechanism), such as Figure 1-8 As shown, it includes a cutting motor 3, a swing arm housing 1, and a main body housing 2. The swing arm housing and the main body housing are hinged with the cutting motor 3 as a pin shaft, and the cutting motor is relative to the main body housing. Fixed, swing relative to the swing arm housing. By using the cutting motor as a pin shaft, the left and right lengths of the main body casing are shortened, which is equivalent to shortening the left and right lengths of the suspension body section of the shearer, and the structure of the cutting mechanism is simplified.
[0040]The main body of the swing arm housing is an arm frame 113 extending left and right, and a cutting transmission mechanism 12 is installed in the arm frame. The cutting transmission mechanism adopts the fixed shaft gear transmission mechanism. In orde...
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