滚子方补芯
滚轮方补心为石油钻井必备工具，与转盘瓦相配，驱动方钻杆，该产品通过四个滚子转动减少与方钻杆的摩擦，延长其寿命。对于四方和六方不同规格的方钻杆，可以通过更换滚子与之配合，与各类转盘连接，有四方转动和销轴转动二种驱动形式。该设备结构简单，安装方便，安全性能好，不易损伤方钻杆。适用于17 1/2” -49 1/2” 的转盘。
Roller Kelly Bushing
Roller Kelly Bushing is an essential petroleum drilling tool, and can be
equipped with rotary slips, so as to drive Kelly bar. The product reduces
its friction with Kelly bar by the rolling of four rollers in order to prolong its
life. The product can also fit to four-sided or six-sided Kelly bar by charging roller, and then connect it with various rotary
tables, with two drive methods, namely, square rolling and pin shaft rolling.
The Roller Kelly Bushing is simple in operation, convenient in installation
and perfect in safety performance. It can be applied to rotary table from
17 1/2” to 49 1/2”.
滚子方补心技术参数
|
方钻杆尺寸 Kelly Size |
高度 (mm) Elevation |
底座 (mm) Bedplate Size |
锥度 Tapering |
|||
|
in |
mm |
上部 Top |
下部 Lower |
对边 Opposite Side |
大端 Large End |
|
|
3 1/2 |
88.9 |
406 |
356 |
332 |
φ332 |
1：3 |
|
4 1/4 |
107.95 |
|||||
|
5 1/4 |
133.35 |
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