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Flexible overhead contact system-Portal span structure
      Promulgator :LX      Time:2019-03-25
Portal span structure

      The device are usually used in several tracks and beam for fixing contact wire

Main parts
Eye end clamp for strands
        It is used for connection single steady arm or suspension other hook-type fittings in Head span connection box.

                                                   Eye end clamp for strands schematic (Q235A)


                                                     Eye end clamp for strands with ear schematic (Q235A)

NOS/N
Item
Unit
Index
1
Max horizontal work load
kN
2.5
2
Max vertical work load
kN
4.9
3
Horizontal failure load
kN
≥ 7.5
4
Vertical failure load
kN
≥ 14.7
5
Sliding load
kN
≥4.9

Double Eye end clamp for strands 
        It is used for connection double-branch steady arm in head span steady wire to fixed double-branch contact wire.

 

NOS/N
Item
Unit
Index
1
Max horizontal work load
kN
5
2
Failure load
kN
≥ 15
3
Sliding load with steady wire
kN
≥ 8

Suspension pulley
        It is used for suspend messenger wire. Single suspension pulley used for suspend single-branch messenger wire, double suspension pulley used for suspend double-branch messenger wire.

                                                      Single suspension pulley schematic (ZCuZn31Al2)


                                                      Double suspension pulley schematic (ZCuZn31Al2)

NoS/N
Item
Unit
Index
1
Max work load
kN
4.9
2
Failure load
kN
≥14.7

Clevis end wedge-type clamp
       It is used for anchored head span steady wire.

 

NOS/N
Item
Unit
Index
1
Max work load
kN
17.6
2
Failure load
kN
≥52.8
 
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