Crown Block Drilling Rig
Specifications
API SPEC 4F standardFeatures:
- Carcasses are made from high intensity section steel.
- Inclined working pulley block eliminates the torsion of block, and makes the sideboard of the traveling block opposite to the derrickman exactly.
- Rope groove of the pulley is quenched by medium frequency, to prolong the working life of the pulley.
- Working pulley is equipped with bipyramid rolling bearing, and each bearing has an independent oil duck.
- Equipped with catch rod, to protect wireline from jumping out or falling off.
- Built with anti-collision buffer wood and protecting wire net.
- With girder crane boom, for the maintenance of pulley assembly.
- Equipped with bailing pulley and assisting pulley.
- Pulleys and bearings could be interchanged with matched traveling block
Standard: API SPEC 4F standard
Detailed specification:
Technical specifications and parameters for Crown Block | |||||||
Model |
TC135 |
TC170 |
TC225 |
TC315* |
TC315 |
TC450 |
TC585 |
Maximum hook load(KN) |
1350 |
1700 |
2250 |
3150 |
3150 |
4500 |
5850 |
Sheave OD mm (in) |
915(36) |
1005(40) |
1120(44) |
1120(44) |
1270(50) |
1524(60) |
1524(60) |
Sheave number |
5 |
6 |
6 |
7 |
7 |
7 |
8 |
Diameter of steel wire rope |
29(1 1/8) |
29(1 1/8) |
32(1 1/4) |
32(1 1/4) |
35(1 3/8) |
38(1 1/2) |
42(1 5/8) |
Dimension (L×W×H)mm |
2500 |
2687 |
3200 |
3000 |
3295 |
3068 |
3070 |
Weight(kg) |
2410 |
2917 |
5764 |
7400 |
7400 |
9500 |
12500 |
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