本实用新型由于锁舌从水平方向作用于轮齿，其作用力对水平的回转盘影响较小。

Because lock tongue ACTS on wheel tooth from horizontal direction in the utility model, its force has little influence on horizontal rotary disc.

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为此，在驱动装置输出 元件与回转盘之间布置至少一个卡位锁紧机构，所述卡位锁紧机构具 有配置有有限的保持力的、形状配合的锁紧装置。

To achieve this, at least one detent lock comprising a lock that engages in a positive fit and has a limited retaining force is located between a drive element of the drive and the pivot plate.

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该机是由转盘带动钻具旋转钻进的回转钻机。

Cutting tools of the rig are driven by a turn table.

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