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Helicopter Stringing Pulley Blocks for pulling two bundled conductors

Item No.: 10122H
3 Sheaves helicopter stringing blocks are used for stringing two or three conductors on overhead transmission line, with helicopter for stringing pilot rope.
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Description
3 Sheaves helicopter stringing blocks are used for stringing two or three conductors on overhead transmission line, with helicopter for stringing pilot rope through special designed pilot fly bar system.

Three sheaves Helicopter Stringing Blocks
Item No. Model ACSR Size Range (mm²) Working Load (KN) Weight (kg) Material of Sheave
10102H SH3Z508 300-400 40 61 Central steel or Nylon sheave, Side sheave Aluminum lined with neoprene
10105H SH3ZL508 300-400 40 47
10122H SH3ZL660 400-500 40 106
10125H SH3ZLN660 400-500 40 92
10146H SH3ZLN822 500-700 60 128
10107H SH3Z508 300-400 40 43 Nylon, optional can be lined with neoprene
10127H SH3Z660 400-500 40 76
10132H SH3Z750 500-600 60 98
10142H SH3Z822 600-700 60 110
10152H SH3Z916 700-800 75 126
10166H SH3Z1040 800-900 105 200
Application: It is suitable to string two or three stranded aluminum and ACSR conductors on tangent structures through helicopter. 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,822mm aluminum alloy sheave can be lined with neoprene. The big size 660mm, 822mm, 916mm, 1040mm nylon sheave can be lined with neoprene.
Features: With specially designed fly bar system and open door system to guide the pilot rope into the groove of center sheave, the running board can go through the sheaves easily.


Aluminum alloy sheaves are available on 508mm, 660mm, 822mm size.

Package can be in steel frame case or loaded into container directly.