包括油缸、连接销、连接座、轴承座、传动座总成和上压轴；

The connecting seat, the bearing seat and the transmission seat assembly are mounted on the upper pressing shaft;

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还有一个重要的部分是铲斗油缸连接销、衬套，一定要对这些地方的松紧进行检查。

Also some important part is the bucket cylinder joint pin, the bushing, certainly must carry on the inspection to these place loose and tight.

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型井架主体结构为前开口形轻便井架，整体分为四段，有锥销连接，具有拆除方便、整体稳定性强的特点。

The major structure of K-type Mast is open-face mast, and the body is divided into four sections, which are connected by tapers and convenient to be dismantled with good stability.

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