Overhead crossing
To fix two contact wire at two contact suspension at point
NOS/N
|
Item
|
Unit
|
Index
|
1
|
Sliding load between steady clamp and contact wire
|
kN
|
≥1.5
|
2
|
Deflection of limit tube
|
mm
|
Max vertical work load of overhead crossing center: 0.18 kN. Deflection of limit tube shall not more than 1.5%L.
|
Connection clamp for messenger wire
Used for installed at the messenger wire, to connect two adjacent messenger wire.
NOS/N
|
Item
|
Unit
|
Index
|
1
|
Max work load
|
kN
|
14.6
|
2
|
Slide load between this components and messenger wire
|
kN
|
≥40
|
3
|
The continuous carrying current capacity
|
A
|
≥ 540
|
4
|
The carrying current capacity in 5 minutes
|
A
|
≥ 760
|
5
|
contact resistance
|
Ω
|
≤ 1.4*10 -5
|
Connection clamp for contact wire
Used for installed at the contact wire point, to connect two adjacent contact wire
NOS/N
|
Item
|
Unit
|
Index
|
1
|
Max work load
|
kN
|
17.3
|
2
|
Slide load between this components and contact wire
|
kN
|
≥40
|
3
|
The continuous carrying current capacity
|
A
|
≥ 540
|
4
|
The carrying current capacity in 5 minutes
|
A
|
≥ 760
|
5
|
contact resistance
|
Ω
|
≤ 1.4*10 -5
|
Fitting for additive wire
Ⅰ)Socket end clamp
It is used for suspend metal wire ofφ9~20 In electric railway
NOS/N
|
Item
|
Unit
|
Index
|
1
|
Max work load
|
kN
|
4.9
|
2
|
Failure load
|
kN
|
≥ 14.7
|
3
|
Sliding load
|
kN
|
≥ 3.9
|
Ⅱ)Hook end clamp
It is used for suspend metal wire ofφ9~22 in electric railway
NOS/N
|
Item
|
Unit
|
Index
|
1
|
Max work load
|
kN
|
4.9
|
2
|
Failure load
|
kN
|
≥ 14.7
|
3
|
Sliding load
|
kN
|
≥ 3.9
|
Ⅲ)Three feeder wires clamp
It is applied to installing three branch feeder wire TJ150
NOS/N
|
Item
|
Unit
|
Index
|
1
|
Sliding load
|
kN
|
≥ 2
|