The bottom end of the shaft has a worm gear that rotates as the wheel is turned.
转向轴的底端有一个蜗轮传动装置,当蜗轮传动装置转动时,带动车轮转动。
gear wheel drive
齿轮传动齿轮传动装置
under-type worm gear
蜗杆在下的蜗轮传动
ratchet mechanism
棘轮机构，棘轮传动装置
cam shaft driving gear
凸轮轴传动齿轮凸轮轴传动装置
Slag collector: wet slag discharge is made by hydraulic ratchet wheel, detent, worm wheel or worm from both sides.
清灰机构：采用液压驱动棘轮、棘爪装置或蜗轮蜗杆装置湿式双侧除灰。
azimuth planetary gear
方位行星轮传动装置
eccentric-andpitman drive
偏心轮与连杆传动装置
eccentric and cam valve gear
偏心轮与摇杆传动装置
hand wheel type skylight controlling gear
手轮式天窗传动装置
chain wheel type skylight control gear
链轮式天窗传动装置
rack and pinion gear
齿条与小齿轮传动装置
enclosed gearing
封闭式齿轮传动装置
gear for servomechanism
伺服机构齿轮传动装置
eccentric drive
偏心轮传动偏心轮传动装置
cam shaft drive
凸轮轴传动凸轮轴传动装置
double geared drive
二极齿轮传动二极齿轮传动装置
diesel geared drive
柴油机齿轮传动柴油机齿轮传动装置