HOT!!! Drilling Rig Crown Block
group nameDrilling Rig Accessories
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Min Order1 piece
modelTC90,TC158,TC170,TC225,TC315,TC450,TC585,TC675,TC9
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update timeMon, 08 Apr 2013 00:03:17 GMT
Paramtents
Packaging Detail Standard Container
After-sales Service Provided Engineers available to service machinery overseas
Material High manganese steel
Power source Electric
Machine type Drilling Equipment
Processing Type Forging
Packging & Delivery
Min Order1 piece
Briefing
Meet API 4F. 8A/8C standard
CE/ISO certificate.
Top quality and best price.
Detailed
crown block.
Meet API 4F. 8A/8C standard
CE/ISO certificate.
Top quality and best price.
crown block
1.The crown frame is made of high strength steel shapes & plates. The lug plate for top drive is provided. The crown block is equipped with metal base plate, handrail, and toeboard. A ladder has an opening.
2. A deviation fast-line sheave.
3.The sheave cluster is tilted to counteract traveling block’s torque. The side plate assembly is faced
with derrick man for ease of picking off & suspending elevators.
4. The sheave grooves are intermediate frequency quenched so as to improve surface hardness and
extend service lift of sheaves.
5. All sheaves had double-row conical roller bearingsand each bearing has individual lubricating channel.
6. The rope guard prevents the wire rope from running out of the sheaves grooves.
7.Equipped with wooden bumper blocks and retainer net.
8. Equipped with a gin pole for use in repairing the sheaves cluster.
9. Equipped with sand line sheaves and auxiliary sheaves.
10. The sheaves and the bearing are interchangeable with those of matching travelling block.
11.The crown blocks conform to API Spec. 4F,8A/8C and API monogram is permitted to be used.
The main technical performance and specification for crown block
Model | TC90 | TC158 | TC170 | TC225 | TC315 | TC450 | TC585 | TC675 | TC675H | TC900 | |
Max. hook load KN(lbs) | 900 (200000) | 1580 (351111) | 1700 (374000) | 2250 (500000) | 3150 (700000) | 4500 (1000000) | 5850 (1300000) | 6750 (1500000) | 6750 (1500000) | 9000 (2000000) | |
Dia. of wire line mm(in) | 26(1”) | 29(1-1/8”) | 29(1-1/8”) | 32(1-1/4”) | 35(1-3/8”) | 38(1-1/2”) | 38(1-1/2”) | 45(1-3/4”) | 38(1-1/2”) | 48(1-7/8”) | |
OD of sheave mm(in) | 762(30”) | 915(36”) | 1005(40”) | 1120(44”) | 1270(50”) | 1524(60”) | 1524(60”) | 1524(60”) | 1524(60”) | 1829(72”) | |
No. of sheave | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | |
Size mm | Length | 2580 | 2220 | 2620 | 2667 | 3192 | 3410 | 3625 | 4650 | 5180 | 4217 |
Width | 2076 | 2144 | 2203 | 2709 | 2783 | 2753 | 2832 | 3340 | 3642 | 3606 | |
Height | 1578 | 1813 | 1712 | 2469 | 2350 | 2420 | 2580 | 2702 | 2904 | 3146 | |
Weight Kg | 3000 | 3603 | 3825 | 6500 | 8500 | 11105 | 11310 | 13750 | 19700 | 19150 | |
