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Crown block

2016-07-12 09:08      Click£ºtimes
Features of Crown block:
 
¡ñ The frame of the crown block is made with high strength steel material. Working pulley block are set slantingly to counteract the torsion of sheave and make side board of traveling block face to derrick. The pulley groove is undertaken middle-frequency quencher so as to extend operating life of sheaves. Working sheave are assembled with double-conic bearing, wherein each bearing has it’s individual lubricating channel….Rope bar are provided to prevent the wire rope from crossing or failing out the groove. The Crown block is also equipped with wooden buffer and protection net to prevent bump. It is equipped with derrick crane as well for repairing the crown block. Sand sheaves and auxiliary sheaves Assy can be provide as the requirement.climbing assistor and falling-proof device can be installed according to various requirements. Besides, sheaves and bearing are interchangeable with it’s matched crown block. The Crown blocks meet API Spec 4F so that it is allowed to put on an API label.

¡ñ Note: Customized design and configuration is available to meet different requirements .


 

 

 



[Click the picture to enlarge]
Performance parameters of 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¡¡mm(in)
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
2500×2050
×1920
2687×2150
×2046
3200×3347
×3640
3000×2300
×2570
3295×2776
×2514
3068×2906
×3576
3070×3000
×3600
Weight¡¡kg
2410
2917
5764
7400
7400
9500
12500

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