HOIST ROPE SOCKETS
Sockets as distinct from cappels, are fitted to hoist ropes either by using white metal or resin and this type of fixing is preferred by many engineers. The National Coal Board specify that hoist rope sockets are made to their specification 465:1965 and the capacities and basic dimensions of these sockets are given below. The sockets are normally made from 1.5% manganese steel to B.S. 2772 Part 2:1989 in the hardened and tempered condition. There is a factor of safety of at least 10:1 on the safe working loads specified. The equipment quoted on this page has been purchased by the National Coal Board for use in United Kingdom mines or establishments.
BASIC DIMENSIONS
DIMENSIONS (mm)
APPROX. WEIGHT (kg)
SOCKET IDENTIFICATION NUMBER
WORKING LOAD (tf)
ROPE DIA. (mm)
RESIN KIT SIZE
A 216 235 251 273 295 318 340 359 381 400 419 438 464 482 502 524 546 565 587 606 629 650 667 689 711 730 759 772 794 812 832
B 95
C 70 96 96 96 96
F 42 45 48 53 57 62 65 68 73 76 81 84 89 92 95
G 42 57 57 57 57 72 72 72 72 88 88 88 88
Z 27 38 38 38 38 48 48 48 48 59 59 59 59 70 70 70 70 80 80 80 80 90 90 90 90
M10 M11 M12 M13 M14 M15 M16 M17 M18 M19 M20 M21 M22 M23 M24 M25 M26 M27 M28 M29 M30 M31 M32 M33 M34 M35 M36 M37 M38 M39 M40
4.5 9 9.5 10 10.5 19 20 21 22 35.5
16 17 19 21 22 24 25 27 28 30 32 33 35 36 38 40 41 43 44 46 48 49 51 52 54 56 57 59 60 62 64
3.4 4.3 4.8 4.9 6.4 7.7 9.0 9.7
500 CC 500 CC 500 CC 500 CC 500 CC 500 CC 500 CC 500 CC 500 CC 1000 CC 1000 CC 1000 CC 1000 CC 1700 CC 1700 CC 1700 CC 1700 CC 3400 CC 3400 CC 3400 CC 3400 CC 3400 CC 3400 CC 3400 CC 3400 CC 3400 CC 3400 CC 3400 CC 3400 CC 3400 CC 3400 CC
127 127 127 127 162 162 162 162 197 197 197 197 229 229 229 229 267 267 267 267 292 292 292 292 312 312 312 312 343 343
122 122 122 122 146 146 146 146 175 175 175 175 200 200 200 200 225 225 225 225 250 250 250 250 264 264
11.2 12.0 13.7 14.5 16.4 18.3 19.2 21.4 22.3 24.7 27.0 28.3 30.8 32.0 34.7 37.5 38.9 41.9 43.3 45.9 47.5 50.6 53.9
37 38 39 59 56 62 64 89
103 103 103 103 117 117 117 117 132 132 132 132 146 146 146 146 153 153
100 105 108 114 114 119 124 127 132 135 138 143 146 151 154 157
91.5 95.5
100 127 131.5 136 140.5
102 102 102 102 106 106
159 187 215 238 270 277
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