XQ114/6B (4 1/2") 型修井动力钳是在油田修井作业中用来快速上卸扣的一种开口型动力钳，本产品具有以下特点：
Model XQ114/6B(4 1/2") hydraulic power tong is an open type power tong for the making up and breaking out of tubing in well services. This product has the following features:
动力钳是由主钳和背钳组成，结构紧凑，重量轻、效率高。
The tong is made up of master tong and backup tong, the master tong has a high and low gear train, the tong is compact, light and efficient.
两档变速级差大，高档速度快、低挡扭矩大。
Two shifts provides high speed at the high gear and large torque at the low gear.
钳头制动机构设置在钳头盖板之上，调整、维修极为方便。
The brake mechanism is on the upper and so it is easy to adjust and repair.
新型液动背钳与主钳配套形成组合钳，操纵主钳上的手动换向阀，背钳即与主钳同步夹紧或同步松开管柱，动作灵活可靠。
The new type hydraulic Backup tong and master tong form a combined tong .Operating the manual control valve of master tong, the combined tong clipping and unloosing simultaneously.
调整供油压力，可以得到各种钢级的油管上扣时所需的最佳扭矩。
The adequate torque will be gained during making up and breaking out the various steel tube by adjusting pressure of oil .
本产品拥有实用新型专利（专利号：ZL202322919554.9等）。
This product has owned several patent of China（Patent NO. ZL202322919554.9 etc.）.
