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1987年所见的从西德进口的EDW系列采煤机,其无链牵引装置的传动系统已有了改进。修改后的传动系统如图1。图中行星减速器输出轴上的渐开线齿轮1和双联齿轮左部的渐开线齿轮2相啮合,而双联齿轮右部的齿轨轮3和圆柱销齿轨相啮合,齿轨轮3采用了理论齿廓曲线。修改以前,中间轴上不是双联齿轮,齿轮1和2为摆线齿轮,摆线齿轮直接和圆柱销齿轨啮合。作者在本刊1983年第3期“西德采煤机
The EDW series of shearers imported from West Germany, seen in 1987, have been improved in their driveline for chainless traction. The modified transmission system shown in Figure 1. In the figure, the involute gear 1 on the output shaft of the planetary reducer is meshed with the involute gear 2 on the left part of the double gear, while the gear wheel 3 on the right part of the double gear is meshed with the gear pin on the cylindrical pin. Wheel 3 uses the theoretical profile curve. Before the revision, the intermediate shaft was not a double gear, the gears 1 and 2 were cycloidal gears, and the cycloidal gears were directly meshed with the pins of the cylindrical pin. The author in this issue 1983 No. 3 "West Shearer