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.
916mm three wheels helicopter stringing blocks loaed into container
822mm aluminum sheaves lined with neoprene helicopter stringing blocks loaded into container.
822mm nylon sheaves lined with neoprene helicopter stringing blocks loaded into container