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.
一种新十字头连接结构，由活塞杆、球面垫圈、十字头、十字 头销和连杆组成。
The utility model relates to a novel crosshead connecting structure which is composed of a cylinder rod, a spherical washer, a crosshead, a cross pin and a connecting rod;
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