Specifications

Drilling Rig Hook:
1 API 8C
2 Hydraulic bumper/safeguard locking device
3 High quality/nondestructive inspection

 

 

1. Hook consists mainly of the bail, the bail pedestal, cylindrical shell, hook body, hook lever, and spring, etc.
2. The inner and outer springs are mounted inside the cylindrical shell, which enable stand to upspring after it is free. A Safety positioning device is mounted upper the cylindrical shell.
3. The positioning device can prevent the hook body from rotating when the empty elevator is hoisted. The positioning device will not work when the drill string is hanging.
4. The hook body can rotate freely. Hook’s braking device can lock the hook body at any eight even distributed position.
5. Hook’s safety pin body is locked by locking mechanism too.
6. A hydraulic cushion device is mounted inside the rotary hook to protect the drill pipe joint during brake-out.
7. A reliable safety device is mounted at the mouth of hook. The nondestructive inspection (NDI) was conducted against the main loaded component of hook.

 

Model	DG-50	DG-100	DG-135	DG-225	DG-315	DG-450	DG675
Max. Load, kN(1bs)	500 (110000)	1000 (300000)	1350 (37400)	2250 (500000)	3150 (700000)	4500 (1000000	6750 (1500000)
Spring travel ,mm	140	140	150	180	200	200	220
Opening size of hook, mm	130	140	165	190	220	220	235
Overall dimensions(L x W x H),mm	1660×522×500	1900×765×700	1997×700×730	2548×780×750	2960×890×835	2960×890×880	3730×1210 ×930
Weight, kg	419	1310	1685	2175	3430