Helicopter stringing blocks are used for pilot rope stringing with helicopter. The special designed trigger system and cam release system will reduce the weight of pulley blocks and make the job easy to be completed.
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.
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 |
| 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. 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.
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.
We have designed single, three, five sheaves helicopter blocks for Europe, American, and Australia market.
