CN106638309A - Inhaul cable anchorage device adopting single sealing - Google Patents
Inhaul cable anchorage device adopting single sealing Download PDFInfo
- Publication number
- CN106638309A CN106638309A CN201611237347.3A CN201611237347A CN106638309A CN 106638309 A CN106638309 A CN 106638309A CN 201611237347 A CN201611237347 A CN 201611237347A CN 106638309 A CN106638309 A CN 106638309A
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- sealing
- ring
- collar
- internal layer
- seal
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
An inhaul cable anchorage device adopting single sealing comprises a protection cover, an anchorage plate, a sealing barrel, a positioning plate, a hold-down ring and a single sealing device. The single sealing device comprises an isolation pipe, a lantern ring and a sealing part. The sealing part comprises an inner sealing ring layer and at least one outer sealing ring layer. At least one outer annular groove layer used for mounting the outer sealing ring layer is formed in the inner circumference of the lantern ring. The inner sealing ring layer is mounted between an end port of the isolation pipe and a connecting part of the lantern ring, so that a self-compression sealing structure formed by the multiple sealing layers, the inner sealing ring layer and unbonded steel strands directly is formed. According to the inhaul cable anchorage device adopting single sealing, the waterproof sealing performance of the inhaul cable anchorage device can be effectively improved, the service life of the inhaul cable anchorage device is prolonged, meanwhile, the adverse influences of deviation and vibration of an inhaul cable on the sealing device can be reduced, and the situation that the lantern ring is deformed when the inhaul cable vibrates or deviates, moisture enters the sealing device through the space between the lantern ring and the isolation pipe, and accordingly sealing is failed is avoided, so that potential safety hazards of the bridge inhaul cable are eliminated.
Description
Technical field
The present invention relates to a kind of guy of twisted steel cable part of bridge with sealing device, more particularly to it is a kind of using single close
The dragline anchorage of envelope.
Background technology
For the dragline anchorage sealing device of bridge cable sealing, it is desirable to which water can not be entered under 3 meters high of hydraulic pressure effect
In anchorage, and can have good sealing and reliability during bridge operation.
At present the seal form of bridge steel strand wires dragline anchorage sealing device is divided into two kinds：
One kind is integral sealing, and integral sealing is that all steel strand wires to penetrating in anchorage annular seal space carry out integral sealing, sealing
With being in an annular seal space, each other without isolation, sealing unit seal failure will cause whole anchor to every steel strand wires in chamber
Tool anti-corrosion failure；
Another kind be it is single independent sealed, it is single it is independent sealed be that steel strand wires to penetrating in anchorage annular seal space carry out single independence
Sealing, anchorage annular seal space multiple independent sealing units are separated into, and every steel strand wires separate arrangement, non-interference, Bu Huiyin
Whole anchorage corrosion protection is caused to fail for a sealing unit water inlet, and anchor device structure is also compacter, it is smaller, so mesh
Front axle beam dragline anchorage great majority employ single independent sealed device.
There is following weak point in existing single independent sealed dragline anchorage：
1. the seal of single sealing device is arranged between the collar and isolated tube, and seal is arranged on the collar of isolated tube front end
Interior, i.e., isolated tube, by the seal sealing in the collar of front end, is a kind of indirect Sealing Technology, and only with one layer of sealing
That is only one of which seal（See Fig. 5）, sealing effectiveness is bad, usually because the water inlet of annular seal space seepage causes whole anchorage corrosion protection to lose
Effect；
2. the seal for being adopted is General Purpose Rubber material, and poor flexibility, easily aging, impact sealing property are stayed to bridge structure
Potential safety hazard.
The content of the invention
It is an object of the invention to provide a kind of dragline anchorage using single sealing, to overcome existing for prior art
Above-mentioned deficiency, solves the problems such as existing single independent sealed dragline anchorage sealing property is bad, anchorage is easily intake.
Adopt the technical scheme that to solve the above-mentioned technical problem present invention：A kind of dragline anchorage using single sealing,
Including protective cover, anchor slab, sealing drum, location-plate, hold-down ring and single sealing device, the protective cover is connected to after anchor slab
End, the sealing drum is connected to the front end of anchor slab and the location-plate by front end and compression ring seal constitute annular seal space, the list
Root sealing device is positioned in sealing drum by location-plate, hold-down ring, and each single protection steel in the annular seal space of sealing drum is twisted
Line by single sealing device realize it is independent sealed, so as to annular seal space is separated into multiple independent sealing units；
The single sealing device includes being enclosed within isolated tube, the collar and the seal of single protection steel strand wires periphery, the isolation
In the taper hole of the embedded anchor slab of pipe tail end, its front end is connected with the collar, and collar front end is connected with location-plate；
The collar is the annulus of both ends open, and its front end is provided with the cylindrical step being connected with location-plate, after the collar
End is provided with inner circle stepped hole, and the front end sleeve of the isolated tube is connected in inner circle stepped hole with the collar, the front end of isolated tube
The internal layer annular groove for installing seal is constituted between interior step in face and inner circle stepped hole, is opened on the inner periphery in the collar before step
There is at least 1 outer layer annular groove for installing seal；The seal includes internal layer sealing ring and at least 1 layer outer layer sealing
Circle, the outer layer sealing ring is arranged in the outer layer annular groove of the collar, and the internal layer sealing ring is arranged in the internal layer annular groove of the collar,
So as to form multi-layer sealing structure and internal layer sealing ring directly with protection steel strand wires composition from compression seal structure.
Its further technical scheme is：The internal layer sealing ring is the lip ring with a cylindrical step, internal layer
Sealing ring is embedded in internal layer annular groove by its large cylindrical and makes the excircle of its large cylindrical be close to the interior of collar inner circle stepped hole
The front end face of isolated tube and the interior step of collar inner circle stepped hole are close in circumference, the two sides of large cylindrical, internal layer sealing ring it is little
The cylindrical circular hole for being enclosed within isolated tube front end is interior and makes its little cylindrical excircle be close to the inner periphery of isolated tube, so that internal layer
Sealing ring is directly constituted with protection steel strand wires will isolate the seal of tube from compression seal structure.
Further：The internal layer sealing ring and outer layer sealing ring are swollen using high elastic rubber, polyurethane material or chance water
Swollen material is made.
The full anti-corrosion material of filling, single close in sealing drum in cavity between the isolated tube and single protection steel strand wires
The full easy cure pastes of filling in cavity between seal apparatus.
Due to adopting above-mentioned technical proposal, compared with prior art, a kind of guy anchor using single sealing of the present invention
Tool has the advantages that：
1. the internal layer sealing ring of the single sealing device of the present invention is arranged at isolated tube front port, and internal layer sealing ring is cylindrical with one
Step, it is little it is cylindrical be inserted directly into isolated tube stomidium, great circle step is close to isolated tube front end face, make internal layer sealing ring directly with it is anti-
Shield steel strand wires are constituted and will isolate the seal of tube from compression seal structure, even if not having outer layer sealing ring, isolated tube also can effectively certainly
Compression seal；
Additionally, due to internal layer sealing ring it is little it is cylindrical be inserted directly into isolated tube stomidium, have larger contact surface with isolated tube, therefore can
To increase sealing ring compressing area in the case where anchorage size is not increased, effectively strengthen the sealing performance of dragline anchorage,
Extend the life-span of dragline anchorage, eliminate the potential safety hazard of bridge cable；
2. the seal that a kind of single sealing device of dragline anchorage using single sealing of the present invention is used is close except internal layer
Also include at least 1 layer outer layer sealing ring outside seal, make each independent single sealing device form at least more than 2 layers sealings, constitute
Multi-layer sealing structure, its sealing is more safe and reliable；
Additionally, due to using adverse effect that is multi-layer sealed, drag-line skew being reduced and produced to sealing device when vibrating, it is to avoid
Annular strain is covered in inhaul cable vibration or skew, moisture is entered between the collar and isolated tube causes seal failure；
3. the present invention good seal performance, is made using the material such as high elastic rubber, polyurethane or hydro-expansive rubber as seal
Use life-span length.
Below, a kind of technical characteristic of dragline anchorage using single sealing of the present invention made in conjunction with the accompanying drawings and embodiments
Further instruction.
Description of the drawings：
Fig. 1 is a kind of dragline ground tackle structure schematic diagram using single sealing；
Fig. 2 is the single schematic diagram of sealing device of the present invention；
Fig. 3 is isolated tube and collar socket join structure schematic diagram；
Fig. 4 is thimble structure schematic diagram；
Fig. 5 is internal layer ring structure schematic diagram；
Fig. 6 is the single schematic diagram of sealing device of original technology；
Fig. 7 is the thimble structure schematic diagram of original technology；
In Fig. 1～Fig. 5：
1-protective cover, 2-standard component, 3-intermediate plate, 4-anchor slab, 5-sealing drum, 6-easy cure pastes, 7-anti-corrosion material,
8-single sealing device, 81-isolated tube, 82-collar, 821-cylindrical step, 822-inner circle stepped hole, 8221-internal layer
Annular groove, 823-interior step, 824-outer layer annular groove, 83-internal layer sealing ring, 831-little cylindrical, 832-large cylindrical, 84/841/
842-outer layer sealing ring, 9-location-plate, 10-hold-down ring, 11-protection steel strand wires；
In Fig. 6～Fig. 7：
The sealing device of 12-original technology, 121-isolated tube, 122-collar, 1221-cylindrical step, 1222-interior round platform
Rank hole, 123-seal.
Specific embodiment
A kind of dragline anchorage using single sealing, including protective cover 1, anchor slab 4, sealing drum 5, location-plate 9, hold-down ring 10
With single sealing device 8, the protective cover is connected to the rear end of anchor slab, and the sealing drum is connected to the front end of anchor slab and by front
The location-plate 9 at end and the closing of hold-down ring 10 constitute annular seal space, and the single sealing device 8 is positioned by location-plate 9, hold-down ring 10
In sealing drum, each single protection steel strand wires 11 in the annular seal space of sealing drum are realized independent close by single sealing device 8
Envelope, so as to annular seal space is separated into multiple independent sealing units；
The single sealing device 8 includes being enclosed within isolated tube 81, the collar 82 and the seal of single protection steel strand wires periphery, described
In the taper hole of the embedded anchor slab of isolated tube tail end, its front end is connected with the collar 82, and collar front end is connected with location-plate；
The collar is the annulus of both ends open, and its front end is provided with the cylindrical step 821 being connected with location-plate 9, is covered
Ring rear end is provided with inner circle stepped hole 822, and the front end sleeve of the isolated tube is connected in inner circle stepped hole with the collar, isolated tube
Front end face and inner circle stepped hole in interior step 823 between constitute install seal internal layer annular groove 8221, step in the collar
At least 1 outer layer annular groove 824 for installing seal is provided with inner periphery before 823；The seal is sealed including internal layer
Circle 83 and at least 1 layer outer layer sealing ring 84, the outer layer sealing ring 84 is arranged in the outer layer annular groove 824 of the collar, the internal layer
Sealing ring 83 is arranged in the internal layer annular groove 8221 of the collar, so as to formed multi-layer sealing structure and internal layer sealing ring directly with protection
Steel strand wires constitute from compression seal structure.
The internal layer sealing ring 83 is the lip ring with a cylindrical step, and internal layer sealing ring passes through its large cylindrical
832 are embedded in internal layer annular groove 8221 and make the excircle of its large cylindrical be close to the inner periphery of collar inner circle stepped hole 822, greatly
The interior step 823 of the front end face of isolated tube and collar inner circle stepped hole is close in cylindrical two sides, internal layer sealing ring it is little cylindrical
831 are enclosed within the circular hole of the front end of isolated tube 81 and make its little cylindrical excircle be close to the inner periphery of isolated tube, so that internal layer
Sealing ring is directly constituted with protection steel strand wires will isolate the seal of tube from compression seal structure.
The internal layer sealing ring 83 and outer layer sealing ring 84 adopt high elastic rubber, polyurethane material or water-swellable material
Make.
The full anti-corrosion material 7 of filling in cavity between the isolated tube 81 and single protection steel strand wires 11, in sealing drum
The full easy cure pastes 6 of filling in cavity between single sealing device.
Mounting means：
Toward the easy cure pastes 6 of sealing intra-bladder instillation after before dispatching from the factory each parts are assembled；Penetrate every steel at the construction field (site) to twist
Line, installs intermediate plate, tensioning, and each sealing unit irrigates anti-corrosion material 7 after tensioning terminates.
Internal layer sealing ring directly with protection steel strand wires constitute from compression seal structure, before referring to that isolated tube is needed not rely on
Seal in the collar of end, you can the seal of tube will effectively be isolated with the compression of protection steel strand wires by internal layer sealing ring.
Claims (4)
1. a kind of dragline anchorage using single sealing, including protective cover（1）, anchor slab（4）, sealing drum（5）, location-plate（9）, pressure
Tight ring（10）With single sealing device（8）, the protective cover is connected to the rear end of anchor slab, and the sealing drum is connected to before anchor slab
End and the location-plate for passing through front end（9）And hold-down ring（10）Closing constitutes annular seal space, the single sealing device（8）By positioning
Plate（9）, hold-down ring（10）It is positioned in sealing drum, each single protection steel strand wires in the annular seal space of sealing drum（11）By list
Root sealing device（8）Realize it is independent sealed, so as to annular seal space is separated into multiple independent sealing units；
It is characterized in that：The single sealing device（8）Including the isolated tube for being enclosed within single protection steel strand wires periphery（81）, the collar
（82）And seal, in the taper hole of the embedded anchor slab of the isolated tube tail end, its front end and the collar（82）It is connected, collar front end
It is connected with location-plate；
The collar is the annulus of both ends open, and its front end is provided with and location-plate（9）The cylindrical step being connected
（821）, collar rear end is provided with inner circle stepped hole（822）, the front end sleeve of the isolated tube coordinates in inner circle stepped hole with the collar
Connection, the interior step in the front end face and inner circle stepped hole of isolated tube（823）Between constitute install seal internal layer annular groove
（8221）, step in the collar（823）At least 1 outer layer annular groove for installing seal is provided with front inner periphery（824）；Institute
Seal is stated including internal layer sealing ring（83）At least 1 layer outer layer sealing ring（84）, the outer layer sealing ring（84）Installed in set
The outer layer annular groove of ring（824）It is interior, the internal layer sealing ring（83）Installed in the internal layer annular groove of the collar（8221）It is interior, it is many so as to be formed
Layer sealing structure and internal layer sealing ring are directly with protection steel strand wires composition from compression seal structure.
2. a kind of dragline anchorage using single sealing according to claim 1, it is characterised in that：The internal layer sealing ring
（83）It is the lip ring with a cylindrical step, internal layer sealing ring passes through its large cylindrical（832）It is embedded in internal layer annular groove
（8221）Excircle that is interior and making its large cylindrical is close to collar inner circle stepped hole（822）Inner periphery, the two sides of large cylindrical are tight
The front end face of patch isolated tube and the interior step of collar inner circle stepped hole（823）, internal layer sealing ring it is little cylindrical（831）It is enclosed within isolation
Pipe（81）The circular hole of front end is interior and makes its little cylindrical excircle be close to the inner periphery of isolated tube, so that internal layer sealing ring is straight
Connect to be constituted with protection steel strand wires and will isolate the seal of tube from compression seal structure.
3. a kind of dragline anchorage using single sealing according to claim 1 and 2, it is characterised in that：The internal layer is close
Seal（83）With outer layer sealing ring（84）Made using high elastic rubber, polyurethane material or water-swellable material.
4. a kind of dragline anchorage using single sealing according to claim 3, it is characterised in that：The isolated tube（81）
With single protection steel strand wires（11）Between cavity in the full anti-corrosion material of filling（7）, between the single sealing device in sealing drum
Cavity in the full easy cure pastes of filling（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237347.3A CN106638309B (en) | 2016-12-28 | 2016-12-28 | A kind of dragline anchorage using single sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237347.3A CN106638309B (en) | 2016-12-28 | 2016-12-28 | A kind of dragline anchorage using single sealing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106638309A true CN106638309A (en) | 2017-05-10 |
| CN106638309B CN106638309B (en) | 2018-04-24 |
Family
ID=58832009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611237347.3A Active CN106638309B (en) | 2016-12-28 | 2016-12-28 | A kind of dragline anchorage using single sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106638309B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643454A (en) * | 2018-07-17 | 2018-10-12 | 柳州欧维姆机械股份有限公司 | A kind of the prestressed group anchorage system and its construction method of internal single beam sealing |
| CN108755409A (en) * | 2018-06-22 | 2018-11-06 | 柳州欧维姆机械股份有限公司 | A kind of anchor-hold device and its construction method of installation using single sealing overall perfusion |
| CN109811654A (en) * | 2019-01-28 | 2019-05-28 | 杭州海伦铸钢有限公司 | A kind of anchorage that can be self-locking |
| CN111041984A (en) * | 2019-12-01 | 2020-04-21 | 中铁二院工程集团有限责任公司 | Rear anchor surface anchoring system for anchoring main cable of suspension bridge |
| CN113308988A (en) * | 2020-06-30 | 2021-08-27 | 北京大学 | Spherical bridge support with vertical pressure measurement function |
| CN109811654B (en) * | 2019-01-28 | 2024-05-31 | 杭州海伦铸钢有限公司 | Anchor capable of self-locking |
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| FR2492870A1 (en) * | 1980-10-27 | 1982-04-30 | Precontrainte Structures Ste F | Anchor for cable in concrete - has perforated plate sandwiched between sealing cap and steel support plate |
| CN203034689U (en) * | 2013-01-11 | 2013-07-03 | 柳州欧维姆机械股份有限公司 | Waterproofing device of single steel strand tie bar rope at anchoring region inlet |
| CN103850181A (en) * | 2014-01-28 | 2014-06-11 | 柳州欧维姆机械股份有限公司 | Separable sealing structure of dragline anchor and method for realizing sealing of anchor |
| KR20140146838A (en) * | 2013-06-18 | 2014-12-29 | 주식회사 후레씨네코리아 | Saddle for main tower of bridge and cable anchoring method therewith |
| CN206495137U (en) * | 2016-12-28 | 2017-09-15 | 柳州欧维姆机械股份有限公司 | One kind uses single sealed dragline anchorage |
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2016
- 2016-12-28 CN CN201611237347.3A patent/CN106638309B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2492870A1 (en) * | 1980-10-27 | 1982-04-30 | Precontrainte Structures Ste F | Anchor for cable in concrete - has perforated plate sandwiched between sealing cap and steel support plate |
| CN203034689U (en) * | 2013-01-11 | 2013-07-03 | 柳州欧维姆机械股份有限公司 | Waterproofing device of single steel strand tie bar rope at anchoring region inlet |
| KR20140146838A (en) * | 2013-06-18 | 2014-12-29 | 주식회사 후레씨네코리아 | Saddle for main tower of bridge and cable anchoring method therewith |
| CN103850181A (en) * | 2014-01-28 | 2014-06-11 | 柳州欧维姆机械股份有限公司 | Separable sealing structure of dragline anchor and method for realizing sealing of anchor |
| CN206495137U (en) * | 2016-12-28 | 2017-09-15 | 柳州欧维姆机械股份有限公司 | One kind uses single sealed dragline anchorage |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755409A (en) * | 2018-06-22 | 2018-11-06 | 柳州欧维姆机械股份有限公司 | A kind of anchor-hold device and its construction method of installation using single sealing overall perfusion |
| CN108643454A (en) * | 2018-07-17 | 2018-10-12 | 柳州欧维姆机械股份有限公司 | A kind of the prestressed group anchorage system and its construction method of internal single beam sealing |
| CN109811654A (en) * | 2019-01-28 | 2019-05-28 | 杭州海伦铸钢有限公司 | A kind of anchorage that can be self-locking |
| CN109811654B (en) * | 2019-01-28 | 2024-05-31 | 杭州海伦铸钢有限公司 | Anchor capable of self-locking |
| CN111041984A (en) * | 2019-12-01 | 2020-04-21 | 中铁二院工程集团有限责任公司 | Rear anchor surface anchoring system for anchoring main cable of suspension bridge |
| CN113308988A (en) * | 2020-06-30 | 2021-08-27 | 北京大学 | Spherical bridge support with vertical pressure measurement function |
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|---|---|
| CN106638309B (en) | 2018-04-24 |
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Effective date of registration: 20210415 Address after: 437224 no.2-6 Sunshine Avenue, Guanqiao Town, Jiayu County, Xianning City, Hubei Province Patentee after: HUBEI OUWEIMU CABLE PRODUCTS Co.,Ltd. Address before: 545006 No. 1 Yanghui Road, Yanghe New Industrial District, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee before: Liuzhou Ouweimu Machinery Co.,Ltd. |