Drill Hook Block
Specifications
Drilling Rig Hook:1 API 8C
2 Hydraulic bumper/safeguard locking device
3 High quality/nondestructive inspection
- Hook consists mainly of the bail, the bail pedestal, cylindrical shell, hook body, hook lever, and spring, etc.
- 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.
- 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.
- The hook body can rotate freely. Hook’s braking device can lock the hook body at any eight even distributed position.
- Hook’s safety pin body is locked by locking mechanism too.
- A hydraulic cushion device is mounted inside the rotary hook to protect the drill pipe joint during brake-out.
- 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 |
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