目前,小型水轮发电机组直接传动设备常采用弹性橡胶圈柱销联轴器,它由联轴节、弹性橡胶圈和柱销等组成(见图1)。有时因橡胶圈损坏,难于买到新的调换,柱销不停地撞击,严重时导致损失整个机组。作者于1978年选用了一种木销联轴器作为代用品,它由联轴节、木销和档板等组成(见图2)。其最大特点是用6～12只直径为40～85毫米的木质替代小圆柱体弹性橡胶圈柱销来传递能量,在我县十多处又同容量的小水电站安装使用,运行情况良好。木料可用柏 At present, the direct drive equipment for small hydropower units often uses an elastic rubber collar coupling, which consists of a coupling, an elastic rubber ring and a pin (see FIG. 1). Sometimes due to rubber ring damage, it is difficult to buy a new exchange, the pin constantly impact, resulting in serious loss of the entire unit. The author chose a wood dowel coupling as a substitute in 1978, which consisted of couplings, dowels and baffles (see Figure 2). Its greatest feature is the use of 6 to 12 diameter 40 to 85 mm of wood instead of a small cylinder elastic rubber ring pin to transfer energy, in my county more than 10 with the capacity of small hydropower installation, the operation in good condition. Wood available cypress