Hydraulic Pile Driver Kelly Bars Interlocking Construction Works

The inner keyboard and outer keyboard are integrally forged with high-strength steel. Special heat treatment gives this style of kelly high wear resistance, compression resistance and excellent weldability. The kelly is based on the configuration and working conditions of domestic drilling rigs, combined with advanced manufacturing technology at home and abroad, and is matched with domestic and foreign rotary drilling rigs.

1.2 to 6 sections telescopic, depths 15 - 140 m.
2. Torque transmission from 120 - 500 kNm
3.6 actuation keys with large lock slot
4. The damping system of the spring assembly
5. Standardized square kelly driven piles for all drilling tools

Company profile

Langfang Yilunkai Group, whose predecessor is Quansheng Machinery Plant (founded in 1992), is established in July, 2006 with 10 million RMB of total registered capital. The Group owns 3 subsidiaries,which is Langfang Yilunkai Foundation& Engineering Co., Ltd,Tianjin Jinyiyuan Heavy Machinery Manufacturing Co., Ltd ,andLangfang Yilunkai Mechanic & Electronics Technology Co., Ltd.Tianjin Jinyiyuan Heavy Machinery Manufacturing Co., Ltd is blessed with geographical advantage as it is located in the Beijing-Tianjin-Hebei region .It mainly manufactures three series of productions, which are:

A. Rotary drilling tools;

B. casing of casing rotator and Rotary drilling, grab bucket;

C. Rotary drilling kelly bar Currently.