CN1266928A - Guy protector - Google Patents
Guy protector Download PDFInfo
- Publication number
- CN1266928A CN1266928A CN99117134.9A CN99117134A CN1266928A CN 1266928 A CN1266928 A CN 1266928A CN 99117134 A CN99117134 A CN 99117134A CN 1266928 A CN1266928 A CN 1266928A
- Authority
- CN
- China
- Prior art keywords
- air
- guy
- line
- dry
- drag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Flexible Shafts (AREA)
- Jib Cranes (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
A guy protector is composed of external sleeve tube for guy and enclosed structure for anchor part, and features that it has a dry air blower set, said sleeve tube and enclosed structures have the holes communicated to each other, the communicated enclosed structures have air inlet and outlet, said air inlet is linked to dry air blower set, and said air outlet is communicated to ambient space. Said dry air blower set can exhaust the wet air from the external sleeve tube and enclosed structures.
Description
The present invention relates to a kind of bridge cable protector, especially relate to a kind of guy of twisted steel cable protector of Cable stayed bridge.
In the prior art, the guy system of Cable stayed bridge is made up of the syndeton of drag-line, protection mechanism, ground tackle, ground tackle and Liang Heta etc., and drag-line can constitute with parallel high-strength steel wire or twisted wire.The quality of protection mechanism directly influences the application life of Cable stayed bridge, and therefore, it is an indispensable part in the guy system.So far the state-of-the-art safeguard structure that is used for guy system for bridge is in factory single steel strand to be carried out multilayer proofing earlier, in the building site these parallel steel stranded wire bundles penetrated outer tube then, form the space of a sealing, not only the fixing mutual alignment between the steel wire bundle but also its in addition certain protection; To the steel wire bundle in the ground tackle part also is to protect by form each enclosed construction between main group anchor, stiffener, capping and beam.Its weak point is: be difficult to it is carried out examination and maintenance.Owing to reasons such as climate temperature change, sealing is not close, tend between steel strand and outer tube, produce moisture and moisture in the enclosed construction of ground tackle part, influence the life-span of steel strand; So, must often check and remove moisture and moisture to it.But existing protection mechanism then is difficult to carry out necessary inspection and remove moisture and the work of moisture.In addition, in snowy winter, wind and snow can produce bigger influence to the life-span of drag-line, may occur the wind and snow exciting phenomenon of drag-line when serious, and prior art does not also have and can solve well this problem.
Purpose of the present invention just provides and a kind ofly can remove the moisture that produces in each enclosed construction of outer tube and ground tackle part and the bridge cable protector of moisture effectively.
By further improvement, also can realize another object of the present invention: just provide a kind of bridge cable protector that can remove moisture automatically, make it to keep dry according to the humidity of steel strand.
For realizing above-mentioned first purpose, the present invention can take following technical measures:
Guy protector of the present invention comprises the outer tube of drag-line and each enclosed construction of ground tackle part, and it is characterized in that: this device also comprises a dry-air blast unit; Between described drag-line outer tube and each enclosed construction, the air vent that is interconnected is arranged; On the enclosed construction that is communicated with, have air intake vent and air outlet; Wherein, air intake vent is connected with the dry-air blast unit, and air outlet then leads to the external world.
Because the trend that the respectively oriented next part neutralization of moisture in the drag-line enclosure space and moisture laden air is upwards concentrated, therefore, after the technical measures more than having taked, start the dry-air blast unit, dry air enters the enclosed construction of connection from air intake vent, moisture is drained from air outlet, can effectively remove the moisture that produces in outer tube and each enclosed construction like this and keep its drying.
The present invention can also install discharging valve at the minimum position of lasso protection enclosure space.If the enclosure space of drag-line has moisture to exist, they will concentrate the discharging valve that flows to minimum point downwards, be discharged by the maintenance personnel.
Each enclosed construction of the present invention comprises that (1) is from the anchor slab of tower inhaul main group anchor to stiffener with the enclosure space that surrounds of protective cover plate; (2) enclosure space that forms respectively by tower conduit, outer tube, beam conduit; (3) enclosure space that stiffener and protective cover plate surround in the beam.
The present invention is on the basis of above-mentioned guy protector, following form can also be arranged: it has an ajutage that runs through its each enclosed construction along drag-line, one end and air intake vent join, air intake vent and air outlet all are arranged on the anchor slab of main group anchor, can establish several air outlets on ajutage is communicated with each protection enclosure space of drag-line respectively, make dry air can directly enter each enclosure space, further improve dehumidifying speed and effect.
The present invention on the basis of aforesaid guy protector, can set up a dehumidifier unit in order further to increase protection effect, and dehumidifier unit and air outlet join.The dehumidifier unit with and the dry-air blast unit form the drying and watering cycle system, remove the moisture that produces in outer tube and each enclosed construction and also keep its dry better effects if.
For realizing second goal of the invention of the present invention, in the circuit control system of the dry-air blast unit of aforesaid guy protector and dehumidifier unit, set up an automatic feedback control device; In the enclosed construction at drag-line bottom and top, be provided with steel strand test specimen humidity auto-measuring point and device; Measuring equipment has control line to link to each other with automatic feedback control system.
Measure steel strand test specimen humidity when overproof when measuring device, the automatic feedback control device starts dry-air blast unit and dehumidifier unit, the dehumidifier of blowing automatically.
Advantage of the present invention is:
1) visibility of lasso protection structure, degree of controllability, degree and reliability all are higher than prior art as can be known;
2) be convenient to the replacing of single steel strand;
3) can simplify the multilayer proofing of single steel strand, for example need only zinc-platedly get final product.
4) if the dry-air blast machine in the drying and watering cycle unit blasts hot air, can melt the ice and snow that is amassed on the drag-line outer tube, thoroughly solve the problem of drag-line wind and snow exciting.
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the schematic diagram of a kind of embodiment of the present invention.
Fig. 2 is the cross-sectional schematic along the A-A line of Fig. 1.
Fig. 3 is the cross-sectional schematic along the B-B line of Fig. 1.
Fig. 4 is the generalized section along the C-C line of Fig. 1.
Fig. 5 opens the enlarged diagram on the anchor slab 4a of main group anchor in tower for air intake vent.
Fig. 6 is the enlarged diagram of dry air carrier pipe.
Fig. 1 is a kind of embodiment of the present invention to guy protector shown in Figure 5, and it comprises each enclosed construction of the outer tube Ib of drag-line and ground tackle part, two air intake vents and two air outlets, ajutage, drying and watering cycle unit 5g; Wherein, the enclosure space that each enclosed construction of ground tackle part also comprises from the anchor slab 4a of tower inhaul main group anchor to stiffener IIb and protective cover plate IIc surrounds, by the enclosure space that tower conduit Ic, outer tube Ib, beam conduit Ic form respectively, reach the enclosure space that interior stiffener IIb of beam and protective cover plate IIc surround; Drying and watering cycle unit 5g comprises dry-air blast unit and dehumidifier, and they are placed in the tower.The air vent 5d, the 5e that are interconnected are arranged between each enclosed construction,, on the drag-line locator, have air vent 5e as on beam, tower piggy-back anchor anchor plate, having air vent 5d.Air intake vent 5a and air outlet all are located on the anchor slab 4a of main group anchor in the tower, and wherein, air intake vent 5a is connected with dry-air blast unit among the drying and watering cycle unit 5g, and air outlet 5f is connected with dehumidifier among the drying and watering cycle unit 5g.Ajutage 5b enters enclosure space that stiffener IIb and protective cover plate IIc surround by the anchor slab 4a of main group anchor and by tower conduit Ic, outer tube Ib, beam conduit Ic in tower, the enclosure space that stiffener IIb and protective cover plate IIc surround in beam, its upper end links to each other with air intake vent 5a, is provided with the different dry air air outlet 5c of several discharge value in its upper, middle and lower portion and is communicated with each enclosure space of drag-line respectively.Dry-air blast machine in drying and watering cycle unit 5g starts, dry air will spray into from the tower by the whole drag-line enclosure space between the anchor slab of the anchor slab of main group anchor main group anchor at the bottom of the beam; Dehumidifier in drying and watering cycle unit 5g starts, and the moisture laden air of above-mentioned whole enclosure space will be drawn out of; When two machines start simultaneously, just form dried humid air circulation, whole enclosure space will be in very dry status.So operation can provide to each root drag-line respectively by certain time interval.
From Fig. 1 as seen, the enclosure space in the drag-line bottom is furnished with steel strand test specimen 5k, humidity measuring point 5I, and the enclosure space at the drag-line top is furnished with steel strand test specimen 5l, humidity measuring point 5h.When needing, steel strand test specimen 5k and 5l can deliver to test room and test evaluation, with the situation of the drag-line steel strand of understanding their representatives.Humidity measuring point 5i and 5h can be connected to the control system of drying and watering cycle unit 5g, and the humidity that records when certain root drag-line humidity measuring point can provide cycling from this rope of trend when surpassing limits value immediately.If have moisture to exist at the drag-line enclosure space, they will concentrate the discharging valve 5m of the minimum point that flows to by water hole 5j downwards, and be extracted out by the maintenance personnel at this place.
The present invention also can be used for the whole enclosure space of tower inhaul anchorage zone, for it provides protection, goes out the outer steel strand of main group anchor with protection stretch-draw.
Claims (8)
1. a guy protector comprises the outer tube of drag-line and each enclosed construction of ground tackle part, and it is characterized in that: this device also comprises a dry-air blast unit; Between described drag-line outer tube and each enclosed construction, the air vent that is interconnected is arranged; On the enclosed construction that is communicated with, have air intake vent and air outlet; Wherein, air intake vent is connected with the dry-air blast unit, and air outlet then leads to the external world.
2. guy protector according to claim 1 is characterized in that: described air intake vent and air outlet all are located on the anchor slab of main group anchor of Liang Tashang.
3. guy protector according to claim 2 is characterized in that: it has one and runs through the ajutage of its each enclosed construction along drag-line, and one end and air intake vent join, and then are provided with several air outlets at ajutage.
4. guy protector according to claim 3 is characterized in that: set up a dehumidifier unit, dehumidifier unit and air outlet join, and make it to form the dried humid air circulating system with the dry-air blast unit.
5. guy protector according to claim 4, it is characterized in that: in the control circuit of the dried humid air circulating system, one automatic feedback control device is set: be furnished with steel hinge line test specimen and humidity measuring point respectively in the enclosed construction at drag-line bottom and top, measuring point has control line to link to each other with automatic feedback control system.
6. according to claim 1 or 2 or 3 or 4 or 5 described guy protectors, it is characterized in that: discharging valve is installed at the minimum position at the lasso protection enclosure space.
7. according to claim 1 or 2 or 3 or 4 or 5 described guy protectors, it is characterized in that: described dry-air blast machine replaces with unit heater.
8. guy protector according to claim 6 is characterized in that: described dry-air blast machine replaces with unit heater.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98119471A EP1001089B1 (en) | 1998-10-15 | 1998-10-15 | Novel technique for stay cable system |
| EP98119471.5 | 1998-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1266928A true CN1266928A (en) | 2000-09-20 |
Family
ID=8232803
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99238963U Expired - Fee Related CN2412029Y (en) | 1998-10-15 | 1999-10-12 | Bridge dragline protecting appts. |
| CN99238964U Expired - Fee Related CN2412028Y (en) | 1998-10-15 | 1999-10-12 | Bridge dragline structure |
| CN99117135.7A Pending CN1266929A (en) | 1998-10-15 | 1999-10-12 | Guy system for bridge |
| CN99117134.9A Pending CN1266928A (en) | 1998-10-15 | 1999-10-12 | Guy protector |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99238963U Expired - Fee Related CN2412029Y (en) | 1998-10-15 | 1999-10-12 | Bridge dragline protecting appts. |
| CN99238964U Expired - Fee Related CN2412028Y (en) | 1998-10-15 | 1999-10-12 | Bridge dragline structure |
| CN99117135.7A Pending CN1266929A (en) | 1998-10-15 | 1999-10-12 | Guy system for bridge |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1001089B1 (en) |
| CN (4) | CN2412029Y (en) |
| AT (1) | ATE244794T1 (en) |
| DE (1) | DE69816303D1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672006B (en) * | 2009-09-25 | 2012-12-12 | 威胜利工程有限公司 | Stay cable |
| CN102979034A (en) * | 2012-12-05 | 2013-03-20 | 江苏法尔胜缆索有限公司 | Parallel steel wire guy cable system dehumidified by using dry air and capable of monitoring humidity of guy cable |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1435413A1 (en) | 2002-12-30 | 2004-07-07 | Yincheng Hou | Improved anchorage sockets for the "novel technique for stay cable system" |
| CN101057040B (en) * | 2004-11-12 | 2010-12-08 | Vsl国际股份公司 | Corrosion protection system for a structure including a stay cable |
| CN101775781B (en) * | 2010-01-09 | 2012-08-15 | 深圳中建院建筑科技有限公司 | Long-acting building guy cable |
| CN102704396A (en) * | 2012-06-27 | 2012-10-03 | 四川天元机械工程股份有限公司 | Anchorage method for main cable of suspension bridge |
| CN103437284B (en) * | 2012-11-14 | 2016-12-21 | 中铁九桥工程有限公司 | A kind of parallelogram section rod member anchor case localization method |
| CN103074851A (en) * | 2012-12-21 | 2013-05-01 | 柳州欧维姆机械股份有限公司 | Composite strand tapered anchoring steel strand finished product cable and manufacture method thereof |
| CN103105256B (en) * | 2013-01-29 | 2015-08-19 | 葛洲坝集团第五工程有限公司 | A kind of Cable-stayed Bridge Model test cable force test macro and method |
| CN103981807B (en) * | 2014-05-30 | 2015-11-18 | 中建三局集团有限公司 | A kind of without bracket steel anchor beam |
| CN104818674A (en) * | 2015-03-13 | 2015-08-05 | 中交公路规划设计院有限公司 | Suspension bridge unbonded prestressed anchorage corrosion resistant method and structure |
| CN105256720A (en) * | 2015-09-17 | 2016-01-20 | 中铁大桥科学研究院有限公司 | Partial ground anchor balancing cable cable-stayed bridge |
| CN107034785A (en) * | 2017-05-24 | 2017-08-11 | 柳州欧维姆机械股份有限公司 | Rope construction method is changed in a kind of interchangeable anchorage prestress anchoraging device and its installation |
| CN107558352B (en) * | 2017-09-12 | 2023-07-25 | 柳州欧维姆机械股份有限公司 | Arch bridge steel strand suspender capable of replacing single cable and installation and construction method thereof |
| CN107794842B (en) * | 2017-10-20 | 2023-05-05 | 宁波大学 | High-performance durable anti-corrosion inhaul cable anchorage device and construction method thereof |
| CN107988907A (en) * | 2017-12-27 | 2018-05-04 | 中铁第四勘察设计院集团有限公司 | A kind of anchor of suspension cable and concrete girder |
| CN108842619A (en) * | 2018-06-14 | 2018-11-20 | 法尔胜泓昇集团有限公司 | The stayed structure and its implementation of dry air dehumidifying |
| CN108589530A (en) * | 2018-06-14 | 2018-09-28 | 法尔胜泓昇集团有限公司 | The air feeder structure and its implementation of dry air dehumidifying |
| CN108691273A (en) * | 2018-06-22 | 2018-10-23 | 深圳市科兰德实业发展有限公司 | Steel strand stay cable |
| CN109295861B (en) * | 2018-11-14 | 2023-08-01 | 柳州欧维姆机械股份有限公司 | Cable with anchor box type anchoring structure and tensioning construction method thereof |
| CN110259246B (en) * | 2019-06-27 | 2024-03-19 | 柳州欧维姆机械股份有限公司 | Steel strand external stay rope structure system for wind tower and manufacturing and mounting method thereof |
| CN111778852A (en) * | 2020-06-18 | 2020-10-16 | 中建三局第二建设工程有限责任公司 | Installation method of stay cable dehumidification system |
| CN112523085B (en) * | 2020-12-01 | 2022-08-16 | 柳州欧维姆机械股份有限公司 | Inhaul cable protecting sleeve with functional elements and construction method thereof |
| CN113774790B (en) * | 2021-07-19 | 2023-04-07 | 重庆万桥交通科技发展有限公司 | Anti-corrosion cable rope of cable-stayed bridge |
| CN115977260A (en) * | 2022-10-31 | 2023-04-18 | 中冶(上海)钢结构科技有限公司 | L-shaped lug plate type anchoring connection device for stay cable structure and use method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3723795A1 (en) * | 1987-06-11 | 1988-12-29 | Wolfgang Dipl Ing Borelly | CORROSION PROTECTION FOR A TENSION LINK CONSTRUCTED FROM STEEL ROPES OR PARALLEL WIRE OR STRAND |
-
1998
- 1998-10-15 DE DE69816303T patent/DE69816303D1/en not_active Expired - Lifetime
- 1998-10-15 AT AT98119471T patent/ATE244794T1/en not_active IP Right Cessation
- 1998-10-15 EP EP98119471A patent/EP1001089B1/en not_active Expired - Lifetime
-
1999
- 1999-10-12 CN CN99238963U patent/CN2412029Y/en not_active Expired - Fee Related
- 1999-10-12 CN CN99238964U patent/CN2412028Y/en not_active Expired - Fee Related
- 1999-10-12 CN CN99117135.7A patent/CN1266929A/en active Pending
- 1999-10-12 CN CN99117134.9A patent/CN1266928A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672006B (en) * | 2009-09-25 | 2012-12-12 | 威胜利工程有限公司 | Stay cable |
| CN102979034A (en) * | 2012-12-05 | 2013-03-20 | 江苏法尔胜缆索有限公司 | Parallel steel wire guy cable system dehumidified by using dry air and capable of monitoring humidity of guy cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN2412029Y (en) | 2000-12-27 |
| DE69816303D1 (en) | 2003-08-14 |
| CN1266929A (en) | 2000-09-20 |
| EP1001089B1 (en) | 2003-07-09 |
| CN2412028Y (en) | 2000-12-27 |
| ATE244794T1 (en) | 2003-07-15 |
| EP1001089A1 (en) | 2000-05-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |