Rotary-digging type coal mining machine and development machine cutting part
A cutting part and roadheader technology, which is applied in cutting machinery, earth-moving drilling and other directions, can solve the problems of manufacturing and production and mining trouble, and achieve the effect of reducing working dust, reducing specific energy consumption, and simple and compact mechanism
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[0013] An embodiment of the present invention will be further described below in conjunction with accompanying drawing:
[0014] Such as figure 1 As shown, the cutting section of the rotary shearer of the present invention and the roadheader is mainly composed of a cutting reducer 1, a cutting arm 2 and a cutting head 3 connected in sequence; the cutting reducer 1 Including two-stage planetary reduction mechanism, coupling sleeve 1-1 and reducer output shaft 1-4, coupling sleeve 1-1 is connected with cutting reducer first-stage planetary reduction mechanism 1-2 through involute spline, The second-stage planetary reduction mechanism 1-3 is connected with the reducer output shaft 1-4 through an involute spline; the cutting arm 2 includes a cutting arm main shaft 2-1 with an involute internal spline and The cutting arm housing 2-2, one end of the involute external spline of the cutting arm main shaft 2-1 is connected with the involute internal spline of the reducer output shaft ...
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