XQ114/6B (4 1/2") 型修井動力鉗是在油田修井作業中用來快速上卸扣的一種開口型動力鉗，本產品具有以下特點：
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:
? 動力鉗是由主鉗和背鉗組成，結構緊湊，重量輕、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.
? 兩檔變速級差大，高檔速度快、低擋扭矩大。
Two shifts provides high speed at the high gear and large torque at the low gear.
? 鉗頭制動機構設置在鉗頭蓋板之上，調整、維修極為方便。
The brake mechanism is on the upper and so it is easy to adjust and repair.
? 新型液動背鉗與主鉗配套形成組合鉗，操縱主鉗上的手動換向閥，背鉗即與主鉗同步夾緊或同步松開管柱，動作靈活可靠。
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.
? 調整供油壓力，可以得到各種鋼級的油管上扣時所需的最佳扭矩。
The adequate torque will be gained during making up and breaking out the various steel tube by adjusting pressure of oil .
? 本產品擁有多項國家專利。
This product has owned several patent of China.
