horsehead

The pumping unit described in this article is an offset-type unit with the walking beam and horsehead as an integral whole, and on which the swing angle of the beam is up to 90 ° and the minimum drive angle of the four-bar linkage is 32 °.

大摆角抽油机是游梁、驴头为一体且游梁摆角达90°、四连杆机枸最小传动角为32°的偏置式抽油机。

In some point, the Horsehead Zither is the symbol of Mongolian tradition music culture, even the entire Mongolian traditional culture.

从某种角度讲，马头琴是蒙古族传统音乐文化，甚至是蒙古族传统文化的象征和标志。

The trip preventer uses the inertia in up and down movement of the horsehead, through driving the rotating mechanism of the worm wheels and worms with balance wheel makes sucker rod revolve undirectionally, thus the trip accident can be prevented effectively.

抽油杆自动旋转防脱器是利用驴头上、下运动中的惯性，通过摆轮驱动蜗轮、蜗杆旋转机构，从而带动抽油杆作单向旋转，可以有效防止抽油杆脱扣事故的发生。