Flexible overhead contact system-Cantilever device

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Flexible overhead contact system-Cantilever device
Promulgator ：LX Time：2019-03-25

Cantilever device（1）

The cantilever device is used to fixing the messenger wire and contact wire. The cantilever device is divided into cantilever support device and steady device.

Cantilever support device is divided into aluminum alloy cantilever support device and steel cantilever support device .
Aluminum alloy cantilever support device

S/N	Item	Index
1	Mechanical properties in combination of state	Under the condition of combination stress of cantilever support device , the total property shall meet the 3.5kN horizontal working load for messenger wire support clamp ,4.0kN vertical work load, 4.0kN horizontal load at the connection of slanted cantilever and steady tube , deflection of various part of cantilever support device shall t more than 1%L(L is the longest distance between pressure points of Cantilever support device. Any part of the cantilever structure does t occur plastic deformation and slipping.

Steel cantilever support device

NOS/N	Item	Index
1	Mechanical properties in combination of state	Under the condition of combination stress of cantilever support device , the total property shall meet the 3.5kN horizontal working load for messenger wire support clamp ,4.0kN vertical work load, 4.0kN horizontal load at the connection of slanted cantilever and steady tube , deflection of various part of cantilever support device shall not more than 0.7%L(L is the longest distance between pressure points of Cantilever support device. Any part of the cantilever structure does not occur plastic deformation and slipping.

Main parts
Top cantilever
It is installed at the top of the hinged cantilever triangle structure, fixing the messenger wire through messenger wire support clamp .

ⅠAluminum alloy top cantilever schematic （6082）

NOS/N	Item	Unit	Index
1	Mechanical properties in combination of state	kN	See the mechanical propertiesof aluminum alloy cantilever support device combination of state

Steel top cantilever schematic (20#）

NOS/N	Item	Unit	Index
1	Mechanical properties in combination of state	kN	See the mechanical propertiesof steel cantilever support device combination of state

Slant cantilever
It is installed at the bottom of the hinged cantilever triangle structure, it through clevis end holder for tube and eye end holder for tube to supporting and fixing top cantilever and steady tube

Aluminum alloy slant cantilever schematic （6082）

NOS/N	Item	Unit	Index
1	Mechanical properties in combination of state	kN	See the mechanical propertiesof aluminum alloy cantilever support device combination of state

Steel slant cantilever schematic （20#）

NOS/N	Item	Unit	Index
1	Mechanical properties in combination of state	kN	See the mechanical propertiesof steel cantilever support device combination of state

Clevis end holder for tube
It is used for connecting top cantilever and slant cantilever.

Aluminum alloy clevis end holder for tube schematic（ENAC-AlSi7Mg0.3)

Steel clevis end holder for tube schematic （Q235A)

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	5.8
2	Max vertical work load	kN	4.9
3	Horizontal load	kN	≥17.4
4	Vertical failure load	kN	≥14.7
5	Sliding load	kN	≥7.5

Support
It is used for supporting and fixing top cantilever and slant cantilever or slant cantilever and steady tube.

Aluminum alloy support schematic ( 6082 )

Steel support schematic (20#)

NOS/N	Item	Unit	Index
1	Withstand tensile failure load	kN	≥12

Support connections
It is used for connecting supports, and connecting with top cantilever and slant cantilever.

Al alloy eye clamp schematic（ ENAC-AiSi7Mg0.6)

Support tube clip schematic（Q235A)

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	3.0
2	Max vertical work load	kN	3.0
3	Horizontal failure load	kN	≥9.0
4	Vertical failure load	kN	≥9.0
5	Sliding load	kN	≥4.9

MW connections
Type Ⅰ、Ⅱ、Ⅲ are used for connect with top cantilever to fixing single or double branch MW.

Double wire support clamp schematic（ENAC-AlSi7Mg0.6）

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	6.0
2	Max vertical work load	kN	6.0
3	Sliding load with MW	kN	≥2
4	Sliding load with top cantilever	kN	≥9

Steel single MW support schematic（Q235A)

Steel double MW support schematic（Q235A)

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	3.5
2	Max vertical work load	kN	4
3	Sliding load with single MW	kN	≥2
4	Sliding load with top cantilever	kN	≥5.3

Cantilever base
Cantilever base divided into upper cantilever base and lower cantilever base. Upper cantilever base used for fix plane cantilever, lower cantilever used for fix slant cantilever.

Cantilever upper base schematic（Q235A+ZG270-500）

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	10

Cantilever bottom base schematic（Q235A+ZG270-500）

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	4.9
2	Max vertical work load	kN	6

Cantilever device(2)

Steady device

Steady tube
It is used to connect steady arm and fix the contact wire.

Al alloy steady tube（6082）

Steel steady tube schematic（20#）

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	4.5
2	Failure load	kN	≥13.5
3	Withstand tensile load	kN	6.75
4	Withstand compression load	kN	4.5

Steady arm
It is used to connect steady clamp and fix the contact wire.

Steel vertical steady arm schematic（20#）

Steel level steady arm schematic（20#）

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	2.5
2	Failure load	kN	≥7.5
3	Withstand tensile load	kN	3.7
4	Withstand compression load	kN	2.5

Pull-off steady arm schematic（20#）

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	2.5
2	Failure load	kN	≥7.5
3	Withstand tensile load	kN	3.7

Contact wire connection parts
Type Ⅰ used for connect steady arm or holder to fix single branch contact wire；Type Ⅱ used for connect steady tube to fix non-work branch contact wire; Type Ⅲ used for fixing double branch contact wire.

Steady clamp schematic（CuNi2Si)

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	2.5
2	Failure load	kN	≥ 7.5
3	Sliding load	kN	≥ 1.5

Clamp holder of out-off-running C.W schematic（ZG270-500 )

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	4.5
2	Sliding load with steady tube	kN	≥ 6.75
3	Sliding load with steady tube	kN	≥ 4.0

Double wire steady clamp schematic（CuNi2Si)

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	2.5
2	Sliding load	kN	≥2.0

Steady arm connection parts
It is used for connecting steady tube and steady arm. Long double eye end holder for tube is used for connecting double sets steady arm, and long eye end holder for tube is used for connecting one set steady arm.

Long double eye end holder for tube schematic（ZG270-500)

Long double eye end holder for tube schematic （ZCuAl10Fe3)

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

Long double eye end holder for tube schematic （Q235A)

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	5
2	Failure load	kN	≥15

Long single eye end holder for tube schematic （ZCuAl10Fe3)

Long single eye end holder for tube schematic （ZG270-500）

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	3
2	Failure load	kN	≥9
3	Sliding load	kN	≥6

Long eye end holder for tube schematic （Q235A)

Supporter holder schematic （ZG270-500)

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	2.5
2	Failure load	kN	≥7.5
3	Sliding load	kN	≥4.9

Eye end holder for tube
It is used for connect slant cantilever and steady tube. Type ⅠandⅡ used for connect single steady tube, and type Ⅲ used for connect double steady tube.

Al alloy eye end holder for tube schematic （ENAC -AlSi7Mg0.3)

Steel eye end holder for tube schematic （Q235A)

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	4.5
2	Max vertical work load	kN	4.9
3	Horizontal failure load	kN	≥13.5
4	Vertical failure load	kN	≥14.7
5	Sliding load	kN	≥6.9

Double eye end holder for tube schematic （Q235A)

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	5
2	Max vertical work load	kN	8
3	Horizontal failure load	kN	≥15
4	Vertical failure load	kN	≥24
5	Sliding load	kN	≥8

Rope clamp
It is used for fixing and connecting rope at contact line positioning place.

NOS/N	Item	Unit	Index
1	Max horizontal work load	kN	2.5
2	Failure load	kN	≥7.5
3	Sliding load	kN	≥1.5

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