Helicopter stringing blocks are used for overhead conductor or OPGW stringing through helicopter. The helicopter blocks are equipped with fly bar for guide the pilot rope into the pulleys. Different designs are available according to customer's requirement.
Different design on the fly attachment or fly bars.
Single sheave Helicopter Stringing Block
Item No. |
Model |
ACSR Size Range (mm²) |
Working Load (KN) |
Weight (kg) |
Material of Sheave |
10178H |
SH1ZL320 |
240-300 |
20 |
10.5 |
Aluminum alloy |
10179H |
SH1ZL400 |
300-400 |
20 |
12 |
10101H |
SH1ZL508 |
300-400 |
20 |
18 |
Aluminum lined with neoprene |
10121H |
SH1ZL660 |
400-500 |
20 |
30 |
10198H |
SH1Z320 |
240-300 |
20 |
7.5 |
10199H |
SH1Z400 |
300-400 |
20 |
8 |
10104H |
SH1Z508 |
300-400 |
20 |
16 |
Nylon, optional can be lined with neoprene |
10124H |
SH1Z660 |
400-500 |
20 |
24 |
10131H |
SH1Z750 |
500-600 |
30 |
32 |
10141H |
SH1Z822 |
600-700 |
30 |
38 |
10151H |
SH1Z916 |
700-800 |
50 |
51 |
10165H |
SH1Z1040 |
800-900 |
50 |
60 |
Application: It is suitable to string 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.
We have exported our helicopter stringing blocks to more than 15 countries in the world.
Different Size are available for stringing conductor or OPGW.
We have exported our helicopter stringing blocks to Europe, USA, Canada, Australia, Asian countries.