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.
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