CN106129922B - One-way expansion cable testing bridge - Google Patents
One-way expansion cable testing bridge Download PDFInfo
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- CN106129922B CN106129922B CN201610757738.1A CN201610757738A CN106129922B CN 106129922 B CN106129922 B CN 106129922B CN 201610757738 A CN201610757738 A CN 201610757738A CN 106129922 B CN106129922 B CN 106129922B
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- bridge
- flexible
- stand beam
- bridge stand
- cable
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to cable expansion technical field, more particularly, to a kind of one-way expansion cable testing bridge, including the flexible crane span structure group being arranged between two bridge box beams, it is characterized in that flexible crane span structure group includes the flexible bridge stand beam A being arranged in bridge box beam I, flexible bridge stand beam B, stretch bridge stand beam C, and stretch bridge stand beam D, the position-limit mechanism being separately positioned on flexible bridge stand beam B and flexible bridge stand beam C, cable is S-type to be placed in flexible bridge stand beam A, flexible bridge stand beam B, stretches on bridge stand beam C and flexible bridge stand beam D.The present invention is exclusively provided on bridge pier in two neighboring bridge case; one bridge case can accommodate cable expansion crane span structure; and in the case that another bridge case can not accommodate cable expansion crane span structure; it stretches and displacement feature according to two neighboring bridge case; it is effectively protected cable not to be pulled off or extrusion damage, makes cable continued power.
Description
Technical field
The invention belongs to cable expansion technical field, more particularly, to a kind of one-way expansion cable testing bridge.
Background technology
With the rapid development of economy, the contact between offshore island and continent and between bay is more and more closer, because
The birth of this bridge spanning the sea had not only solved the problems, such as island power supply, communication, supplied water but also solved people-to-people contacts and cargo transport
Problem, it is to achieve many things at one stroke.For the expensive submarine cable of laying, what is laid on bridge is all conventional cable, and
Cable laying not only easy access but also is easy to safeguard in bridge, not only increases the operational reliability of cable, and with very high
Economy.But bridge is by dynamic loadings such as temperature change, vehicle pass-through, wind, earthquakes due to being influenceed, in the both ends meeting of bridge
Produce flexible and displacement.Because the cable in bridge case is all fixed, therefore such flexible and displacement can be such that cable excessively draws
Stretch, or even break cable, or excess compression, damage cable by pressure, so safe operation to cable just generates bad influence, because
This is necessary to take measures to eliminate this hidden danger.
Have currently for the mode for being used to adjusting cable length between bridge case a variety of, most important mode has two kinds, a kind of
It is cable retractor device, another kind is chain type crane span structure, also has some other frame mode.But these mode generally existings some not
The place of foot.
1st, because the bridge packing list section length of present bridge is long, so requiring that flexible amount is also bigger between bridge case, such as
Although the requirement of stroke can be reached by being laid using cable retractor device, cost costly, can not be extensive
Using.
2nd, the purpose of the cable expansion regulation of certain length, but the regulation of chain type crane span structure can also be realized using chain type crane span structure
Scope is very limited, in general regulated quantity in 300mm or so, and now the regulated quantity between the bridge case of bridge all in 800mm or so,
The even regulated quantity that has can reach 1700mm, so chain type crane span structure can not be applied requires very big over strait in this adjustable range
On bridge.
3rd, it is available without special cable retractor device for the specific position of some bridge casees of bridge spanning the sea.Such as
In two neighboring bridge case, cable expansion crane span structure can be accommodated in one of bridge case（That is bridge case I）, and another bridge case is by space
Cable expansion crane span structure can not be accommodated by limiting（That is bridge case II）, the laying to cable expansion crane span structure in this case just brings difficulty
Topic, how to improve cable expansion amount in this case is even more the problem in problem.
The content of the invention
The purpose of the present invention is a kind of one-way expansion cable testing bridge, and it is easily excessive in bridge spanning the sea operation to prevent cable
The problem of extruding and breaking, make cable running safety, reach the purpose of sustainable power supply.
The purpose of the present invention is realized by following technical proposals：
The one-way expansion cable testing bridge of the present invention, including the flexible crane span structure group being arranged between two bridge box beams, its feature exist
In the flexible bridge stand beam A that described flexible crane span structure group includes being arranged in bridge box beam I, stretch what bridge stand beam A was fixedly connected with this
Flexible bridge stand beam B, the flexible bridge stand beam C being fixedly connected with this bridge stand beam B that stretches, the flexible crane span structure being fixedly connected with bridge box beam II
Beam D, the supporting mechanism I of the flexible bridge stand beam A bottoms is arranged on, is arranged on the supporting mechanism of the flexible bridge stand beam B bottoms
II, the supporting mechanism III of the flexible bridge stand beam C bottoms is arranged on, is separately positioned on flexible bridge stand beam B and flexible bridge stand beam C
Position-limit mechanism, cable both ends are separately fixed in described bridge box beam I and bridge box beam II, and cable is S-type to be placed in retractile bridge
Set a roof beam in place A, flexible bridge stand beam B, on flexible bridge stand beam C and flexible bridge stand beam D, described flexible bridge stand beam C and described retractile bridge
The D that sets a roof beam in place is fixedly connected,
Described supporting mechanism I includes support frame, sets the slip carrying roller on this support frame, described flexible bridge stand beam
A and described slip carrying roller are slidably connected,
Described supporting mechanism II includes fixed support, sets the horizontal frame on this fixed support, sets in this water
Slip carrying roller that is on flat frame and being arranged in order, described flexible bridge stand beam B are slidably connected with described slip carrying roller,
Described supporting mechanism III includes case external fixing rack, sets the slip carrying roller on this case external fixing rack, described
Flexible bridge stand beam C is slidably connected with described slip carrying roller.
Described position-limit mechanism includes being separately positioned on the spacing of both ends on the flexible bridge stand beam B and flexible bridge stand beam C
Roller, it is separately positioned on the flexible bridge stand beam B and the caging bolt of flexible bridge stand beam C both sides.
Described cable is fixed on described flexible bridge stand beam A, flexible bridge stand beam B, flexible bridge stand beam C by cable clamp
On flexible bridge stand beam D.
Described slip carrying roller is 304 stainless steel materials.
Advantages of the present invention：
（1）The one-way expansion cable testing bridge of the present invention is exclusively provided on bridge pier in two neighboring bridge case, a bridge case
Cable expansion crane span structure can be accommodated, and in the case that another bridge case can not accommodate cable expansion crane span structure, it is according to two neighboring
The flexible and displacement feature of bridge case, it is effectively protected cable and is not pulled off or extrusion damage, make cable continued power；
（2）In the one-way expansion cable testing bridge of the present invention, the bridge stand beam that stretches can the free skating on carrying roller is slided as entirety
Dynamic, flexible bridge stand beam A, flexible bridge stand beam B, the cable in flexible bridge stand beam C and flexible bridge stand beam D be S-shaped to be put, and not
It is fixed on flexible crane span structure, therefore the motion of original cable testing bridge will promote the cable tensile strain in flexible crane span structure in bridge case
Or compression, so as to reach the purpose for making cable expansion；
（3）Limiting roll is provided with the one-way expansion cable testing bridge of the present invention, rather than does not have conditional Free Compression and drawing
Stretch, the motion of whole device is all controlled in the range of setting, the excessive tensile of cable will not be caused, so as to protect well
Protect cable；
（4）Carrying roller is slided in the one-way expansion cable testing bridge of the present invention all the time in sliding mode freely, and slides support
Roller quantity is also relatively more, so be not in catching phenomenon, and 304 stainless steels also will not be rotten under so harsh environment
Erosion；
（5）The stroke of the one-way expansion cable testing bridge of the present invention can reach 1700mm or so, and this is that common cable is stretched
What compression apparatus or chain type crane span structure were not reached, the cable laying especially suitable for the bridge spanning the sea of large span.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 of the present invention I portions zoomed-in view.
Fig. 3 is the top view of cable tensile strain of the present invention and compressive state figure.
Embodiment
The embodiment of the present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1,2 and 3, one-way expansion cable testing bridge of the invention, including be arranged on flexible between two bridge box beams
Crane span structure group, it is characterised in that described flexible crane span structure group includes the flexible bridge stand beam A2 being arranged in bridge box beam I 1, flexible with this
The flexible bridge stand beam B3 that bridge stand beam A2 is fixedly connected, the flexible bridge stand beam C4 being fixedly connected with this bridge stand beam B3 that stretches, with bridge case
The flexible bridge stand beam D5 that beam II 6 is fixedly connected, the supporting mechanism I of the flexible bridge stand beam A2 bottoms is arranged on, be arranged on described
The supporting mechanism II of flexible bridge stand beam B3 bottoms, is arranged on the supporting mechanism III of the flexible bridge stand beam C4 bottoms, sets respectively
Position-limit mechanism on flexible bridge stand beam B3 and flexible bridge stand beam C4, the both ends of cable 14 are separately fixed at the described He of bridge box beam I 1
In bridge box beam II 6, cable 14 is S-type to be placed in flexible bridge stand beam A2, flexible bridge stand beam B3, flexible bridge stand beam C4 and flexible crane span structure
On beam D5, described flexible bridge stand beam C4 is fixedly connected with described flexible bridge stand beam D5,
Described supporting mechanism I includes support frame 12, sets the slip carrying roller 7 on this support frame 12, and described is flexible
Bridge stand beam A2 and described slip carrying roller 7 are slidably connected,
Described supporting mechanism II includes fixed support 10, sets the horizontal frame 11 on this fixed support 10, sets
Slip carrying roller 7 that is on this horizontal frame 11 and being arranged in order, described flexible bridge stand beam B3 are slided with described slip carrying roller 7
Dynamic connection,
Described supporting mechanism III includes case external fixing rack 9, sets the slip carrying roller 7 on this case external fixing rack 9, described
Flexible bridge stand beam C4 be slidably connected with described slip carrying roller 7.
Described position-limit mechanism includes being separately positioned on the limit at both ends on the flexible bridge stand beam B3 and flexible bridge stand beam C4
Position roller 8, is separately positioned on the flexible bridge stand beam B3 and the caging bolt of flexible bridge stand beam C4 both sides.
Described cable 14 is fixed on described flexible bridge stand beam A2, flexible bridge stand beam B3 by cable clamp 13, stretched
On bridge stand beam C4 and flexible bridge stand beam D5.
Described slip carrying roller 7 is 304 stainless steel materials.
Such as Fig. 3（That is cable tensile strain and compressive state figure）Shown, one-way expansion cable testing bridge of the invention is mainly by fixing
Partial flexible bridge stand beam D5 and telescopic section flexible bridge stand beam A2, flexible bridge stand beam B3 and flexible bridge stand beam C4 compositions, electricity
Cable 14 is unfixed in retractile bridge roof beam structure, is to slide, and S-type to put, the both ends of cable 14 are separately fixed at described
Bridge box beam I 1 and bridge box beam II 6 on, when both sides bridge box beam I 1 and bridge box beam II 6 are moved, it will be driven in flexible crane span structure
Cable 14 is extruded or stretched, and cable 14 is all the time in desired radius of turn, so cable 14 will not be injured；Flexible bridge stand beam D5
It is fixed in the side bridge case of bridge box beam II 6, flexible bridge stand beam A2, flexible bridge stand beam B3 and flexible bridge stand beam C4 are located in cunning
On dynamic carrying roller 7, so when both sides bridge case moves, flexible crane span structure will follow bridge case to do pull motion, and cable 14
Just do and compress or extensional motion in flexible crane span structure so that cable 14, which is not excessively stretched or compress, protects cable 14.
The one-way expansion cable testing bridge of the present invention is exclusively provided on bridge pier in two neighboring bridge case, and a bridge case can
Cable expansion crane span structure is accommodated, and in the case that another bridge case can not accommodate cable expansion crane span structure, it is according to two neighboring bridge case
Flexible and displacement feature, be effectively protected cable 14 and be not pulled off or extrusion damage, make the continued power of cable 14；Flexible crane span structure
Beam flexible bridge stand beam A2, flexible bridge stand beam B3, flexible bridge stand beam C4 and can be stretched as overall on carrying roller 7 is slided slidably
Cable 14 on contracting bridge stand beam D5 is S-shaped to be put, and is not fixed on flexible bridge stand beam, therefore original cable in bridge case
The motion of crane span structure will promote the cable 14 in flexible bridge stand beam to stretch or compress, so as to reach the mesh for making cable 14 flexible
's；Limiting roll 8 is provided with flexible bridge stand beam B3, flexible bridge stand beam C4, rather than does not have conditional Free Compression and stretching, is made whole
The motion of individual device is all controlled in the range of setting, will not cause the excessive tensile of cable 14, so as to which protection is electric well
Cable 14；Carrying roller 7 is slided in cable testing bridge all the time in sliding mode freely, and slip carrying roller 7 quantity is also relatively more, so not
Catching phenomenon occurs, and 304 stainless steels will not also be corroded under so harsh environment；The one-way expansion electricity of the present invention
The stroke of cable crane span structure can reach 1700mm or so, and this is that common cable retractor device or chain type crane span structure are not reached, special
Not Shi Yongyu large span bridge spanning the sea cable laying.
Claims (4)
1. a kind of one-way expansion cable testing bridge, including the flexible crane span structure group being arranged between two bridge box beams, it is characterised in that described
Flexible crane span structure group include being arranged on flexible bridge stand beam A in bridge box beam I, the retractile bridge being fixedly connected with this bridge stand beam A that stretches
Set a roof beam in place B, the flexible bridge stand beam C being fixedly connected with this bridge stand beam B that stretches, the flexible bridge stand beam D being fixedly connected with bridge box beam II, if
The supporting mechanism I in the flexible bridge stand beam A bottoms is put, is arranged on the supporting mechanism II of the flexible bridge stand beam B bottoms, is set
Supporting mechanism III in the flexible bridge stand beam C bottoms, it is separately positioned on spacing on flexible bridge stand beam B and flexible bridge stand beam C
Mechanism, cable both ends are separately fixed in described bridge box beam I and bridge box beam II, cable is S-type be placed in flexible bridge stand beam A,
On flexible bridge stand beam B, flexible bridge stand beam C and flexible bridge stand beam D, described flexible bridge stand beam C and described flexible bridge stand beam D consolidate
Fixed connection,
Described supporting mechanism I includes support frame, sets the slip carrying roller on this support frame, described flexible bridge stand beam A and
Described slip carrying roller is slidably connected,
Described supporting mechanism II includes fixed support, sets the horizontal frame on this fixed support, sets in this horizontal pane
Slip carrying roller that is on frame and being arranged in order, described flexible bridge stand beam B with it is being arranged on the horizontal frame and arrange successively
The slip carrying roller of row is slidably connected,
Described supporting mechanism III includes case external fixing rack, sets the slip carrying roller on this case external fixing rack, and described is flexible
Bridge stand beam C is slidably connected with the slip carrying roller being arranged on the case external fixing rack.
2. one-way expansion cable testing bridge according to claim 1, it is characterised in that described position-limit mechanism includes setting respectively
The limiting roll at the both ends on the flexible bridge stand beam B and flexible bridge stand beam C is put, the flexible bridge stand beam B is separately positioned on and stretches
The caging bolt of contracting bridge stand beam C both sides.
3. one-way expansion cable testing bridge according to claim 1, it is characterised in that described cable is consolidated by cable clamp
It is scheduled on described flexible bridge stand beam A, flexible bridge stand beam B, stretches on bridge stand beam C and flexible bridge stand beam D.
4. one-way expansion cable testing bridge according to claim 1, it is characterised in that described slip carrying roller is 304 stainless steels
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610757738.1A CN106129922B (en) | 2016-08-30 | 2016-08-30 | One-way expansion cable testing bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610757738.1A CN106129922B (en) | 2016-08-30 | 2016-08-30 | One-way expansion cable testing bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106129922A CN106129922A (en) | 2016-11-16 |
| CN106129922B true CN106129922B (en) | 2017-12-29 |
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ID=57273461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610757738.1A Active CN106129922B (en) | 2016-08-30 | 2016-08-30 | One-way expansion cable testing bridge |
Country Status (1)
| Country | Link |
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| CN (1) | CN106129922B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07336856A (en) * | 1994-06-10 | 1995-12-22 | Hitachi Cable Ltd | Device for expanding/contracting offset of cable laid along bridge |
| CN102734558B (en) * | 2011-04-02 | 2014-01-08 | 上海市电力公司 | Sliding system used in cable expansion arc |
| CN102738760A (en) * | 2011-04-06 | 2012-10-17 | 上海市电力公司 | Cable telescopic arc device |
| CN204012610U (en) * | 2014-08-21 | 2014-12-10 | 上海国孚电力设计工程有限公司 | Cable length adaptive supporting frame |
| CN105755955B (en) * | 2016-04-25 | 2017-04-19 | 辽宁昊轩环保设备有限公司 | Unidirectional expansion type horizontal rotating cable expansion device |
| CN205944939U (en) * | 2016-08-30 | 2017-02-08 | 辽宁昊轩环保设备有限公司 | One -way flexible cable testing bridge |
-
2016
- 2016-08-30 CN CN201610757738.1A patent/CN106129922B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106129922A (en) | 2016-11-16 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170628 Address after: 114200 Haicheng city of Liaoning province Nantai town New River Village (Xian Village) 70 No. 400 Applicant after: Li Bin Address before: 114100 Liaoning city of Anshan province Taian County Industrial Park Applicant before: LIAONING HAOXUAN ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211008 Address after: 114000 Ning Yuan Zhen sun Zhou Xin Cun, Qianshan District, Anshan City, Liaoning Province Patentee after: Anshan Hongwei Power Equipment Co.,Ltd. Address before: 114200 400, No. 70, Xinhe Village (Xianli Village), Nantai town, Haicheng City, Liaoning Province Patentee before: Li Bin |
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| TR01 | Transfer of patent right |