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TC Series Drilling Rig Crown Block is a fixed pulley block installed on the top of the derrick and is one of the important components of the drilling rig lifting system.It is connected traveling block with wire line to form a pulley system,which can greatly reduce the tension of the fast rope, thus greatly reducing the load of the drilling rig draw works in various drilling operations (trip,running ,drilling,hang drilling tool), and reducing the power of the engine group.
TC Series Drilling Rig Crown blockerar med API 4F -specifikationer och uppfyller kraven i Industry Standard SY/T5527.
Utrustad med en repblockeringsmekanism för att förhindra att trådrep hoppar eller faller av.
Utrustad med en lyftram för reparation av remskivor.
Utrustad med sandfiskskiva och extra remskiva.
Remskivan är utbytbar med sin matchande resande blockskiva.
Modell | TC135 | TC170 | TC225 | Tc315 | Tc450 | Tc585 | |
Maximal krokbelastning | Knall | 1350 | 1700 | 2250 | 3150 | 4500 | 5850 |
Us ton | 150 | 200 | 250 | 350 | 500 | 650 | |
Yttre diameter | mm | 915 | 1005 | 1120 | 1270 | 1524 | 1524 |
i | 36 | 40 | 44 | 50 | 60 | 60 | |
Remskiva | 5 | 6 | 6 | 7 | 7 | 8 | |
Trådrep diameter | mm | 26 | 29 | 32 | 35 | 38 | 42 |
i | 1 | 1 1/8 | 1 1/4 | 1 3/8 | 1 1/2 | 1 5/8 | |
Mått | mm | 2500 × 2050 × 1920 | 2687 × 2150 × 2046 | 3200 × 3347 × 3640 | 3295 × 2776 × 2514 | 3068 × 2906 × 3576 | 3070 × 3000 × 3600 |
i | 98 × 80 × 75 | 106 × 84 × 80 | 126 × 132 × 143 | 130 × 109 × 99 | 121 × 114 × 141 | 121 × 118 × 142 | |
Vikt | kg | 2402400 | 2920 | 5310 | 7400 | 9500 | 10000 |
Ib | 5290 | 6440 | 11710 | 16310 | 20940 | 22046 |