Description
Drilling Hook is provided with a braking device to lock up & lock out the body. The body, the bail and the bail support are cast with special alloy steel. Equipped with a hydraulic snubber assembly to protect drill pipe joints when making up/breaking out connections.At the hook there is a reliable safety device.
Features & Benefits
1. Joining the travelling block and the hook together reduces overall length to satisfy the requirements of a top drive.
2. The shafts of travelling block are forged with alloy steel provided with a lubrication hole of bearing for one sheave.
3. The grooves of sheave are intermediate frequency quenched so as to improve the surface hardness and prolong the service life.
4. The sheaves are equipped with double-row conic roller bearings. Each bearing has its own lubrication channel.
5. The hook block assembly conforms to International standard Spec. 8A /8C.
6. There is a reliable safety device at the hook.
7. The primary-load-carrying parts of hook are subject to NDE test.
Technical Parameter
Model
YG60
YG70
YG80
YG90
YG110
YG135
YG160
YG170
YG180
YG225
YG315
YG450
Max. hook load kN
585
675
800
900
1125
1350
1580
1700
1800
2250
3150
4500
O.D.of sheaves (mm)
610
610
610
760
760
760
760, 915
915
915
915
3150
4500
Number of sheaves
4
3
3
3
4
4
4, 5
5
4
5, 6
6
6
Dia. of wire line (mm)
22
22
26
26
26
26
26, 29
29 (11/8) / 32 (11/4)
32
29, 32
32 (13/8) / 35 (13/8)
35 (13/8) / 38 (11/2)
Mobile：+86 18710316881
Tel：+86 029 89240853
Email：sales@boban-oiltools.com
Add：No. 1511, Block C, Haibo Guangchang, Fengcheng 9th. Road, Weiyang District, Xi'an, China
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