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Helicopter Stringing Blocks for pulling four bundled conductors
Description
Five sheaves Helicopter stringing blocks are used for stringing 4
bundled conductors on 400-500KV electric transmission line. The
conductor sheaves can be made in high strength nylon or aluminum
alloy.
Five sheaves Helicopter Stringing Blocks
Item No. | Model | ACSR Size Range (mm²) | Working Load (KN) | Weight (kg) | Material of Sheave |
10103H | SH5ZL508 | 300-400 | 60 | 93 | Central steel or Nylon sheave, Side sheave Aluminum lined with neoprene |
10106H | SH5ZLN508 | 300-400 | 60 | 79 | |
10123H | SH5ZL660 | 400-500 | 60 | 150 | |
10126H | SH5ZLN660 | 400-500 | 60 | 120 | |
10108H | SH5Z508 | 300-400 | 60 | 70 | Nylon, optional can be lined with neoprene |
10128H | SH5Z660 | 400-500 | 60 | 110 | |
10133H | SH5Z750 | 500-600 | 80 | 128 | |
10143H | SH5Z822 | 600-700 | 120 | 156 | |
10153H | SH5Z916 | 700-800 | 150 | 192 | |
10167H | SH5Z1040 | 800-900 | 180 | 320 |
Application: It is suitable to string FOUR or FIVE stranded aluminum and ACSR
conductors on tangent structures. Compression sleeves, swivel
connectors, and pulling rope connectors can pass through the
groove. The sheave is made in aluminum alloy or high strength
nylon. The big size 508mm, 660mm aluminum alloy sheave can be lined
with neoprene. The big size 660mm, 822mm, 916mm, 1040mm nylon
sheave can be lined with neoprene.
The central sheave is specially strengthened for passage of pilot
wire rope.
The helicopter blocks are strictly tested and inspected by Europe and American leading engineering companies.