CN208701524U - A kind of sunpender anchor head improvement of waterproof structure of bowstring arch bridge - Google Patents
A kind of sunpender anchor head improvement of waterproof structure of bowstring arch bridge Download PDFInfo
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- CN208701524U CN208701524U CN201821149856.5U CN201821149856U CN208701524U CN 208701524 U CN208701524 U CN 208701524U CN 201821149856 U CN201821149856 U CN 201821149856U CN 208701524 U CN208701524 U CN 208701524U
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- anchor
- sunpender
- waterproof
- steel case
- mounting hole
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Abstract
The utility model relates to a kind of sunpender anchor head improvement of waterproof structures of bowstring arch bridge, belong to bowstring arch bridge technical field.Including sunpender, billet, binder, waterproof cover, sleeve and sealing ring；It further include hollow waterproof jacket, weathering and lower anchor head protective device；Waterproof jacket covers outside sleeve；Weathering is located at binder top surface, and weathering covers billet, and the top surface of weathering is inclined-plane；Lower anchor head protective device includes anchor cup steel case, anchor slab, pier nose steel case, anti-corrosion grease and bottom plate, anchor cup steel case is fixed in mounting hole, anchor slab is mounted in anchor cup steel case, the lower end of sunpender sequentially passes through anchor cup steel case and anchor slab, pier nose steel case is mounted on the lower end of sunpender, the pier nose steel wire for exposing downrod lower end is located in the space that pier nose steel case and anchor slab are formed, anti-corrosion grease is filled in the space that pier nose steel case and anchor slab are formed, anti-corrosion grease is filled between anchor slab and the bottom of anchor cup steel case, bottom plate is mounted on mounting hole.The structure can effectively extend the service life of sunpender anchor head steel construction.
Description
Technical field
The utility model relates to bowstring arch bridge technical field, in particular to the sunpender anchor head improvement of waterproof of a kind of bowstring arch bridge
Structure.
Background technique
Bowstring arch bridge due to across footpath it is big, it is handsome in appearance, do not limited by foundation condition the features such as, all parts of the country have been built largely
The bridge of the bridge type.Sunpender is the critical component of bowstring arch bridge stress, and bridge floor load will pass to arch rib by sunpender, therefore hang
The state of bar anchor head structure is directly related to the operation security of bridge.The service life of Hanger Anchor header structure is generally significantly shorter than
The projected life of bar arch bridge.Service life at Hanger Anchor header structure used at present is typically only 3 ~ 16 years, and works as the longevity of front axle beam
Life is 100 years right sides, therefore causes the accident of bridge damage to happen occasionally since Hanger Anchor header structure fails in a short time.
Hanger Anchor header structure infiltration corrosion be Hanger Anchor header structure failure the main reason for, Hanger Anchor header structure top due to
Generally existing gap between waterproof cover and sealing ring connects bolt corrosion so that waterproof cover steel construction has different degrees of corrosion；
Billet corrosion is obvious under waterproof cover, portion ponding；Waterproof cover Neihuang County oil degradation has seeping phenomenon in the steel pile casting of part；
Since waterproof cover upper rim and steel pile casting upper limb have gap, water can penetrate into inside steel pile casting, due to Hanger Anchor header structure
Binder bottom sealed by mortar, steel pile casting internal water accumulation be not easy be discharged and save bit by bit in steel pile casting, after chiseling seal sand slurry, discovery
Gap of the casing internal water accumulation between nut and closing steel plate is oozed out；After cutting mortar, there is also floating for discovery pier nose steel wire surface
Rust, the above disease will lead to the failure of Hanger Anchor header structure.
Therefore it needs to repair protection to the Hanger Anchor header structure of discovery disease in time, extends making for Hanger Anchor header structure
With the service life, and the cost for replacing Hanger Anchor header structure is very big；According to foaming agent and waterstop waterproof, the method is by material
Performance influences big, material aging i.e. failure, palliative, and later maintenance is difficult.
Utility model content
It is easily corroded to solve existing Hanger Anchor header structure, the lower problem of service life, the utility model provides
A kind of sunpender anchor head improvement of waterproof structure of bowstring arch bridge, including sunpender, billet, binder, waterproof cover, sleeve and sealing ring；
Billet is fixed on the top surface of binder, and waterproof cover is mounted on billet, and sunpender sequentially passes through waterproof cover and billet, sleeve set
Outside sunpender, sealing ring is arranged between the top of waterproof cover and sleeve, and binder bottom is equipped with mounting hole, and sunpender protrudes into binder
And the lower end of sunpender is located in mounting hole；It is characterized by: the Hanger Anchor header structure further includes the middle air defence of truncated cone shape
Water jacket, weathering and lower anchor head protective device；
The waterproof jacket covers outside the sleeve, and described lesser one end of waterproof jacket diameter and the sleeve weld, institute
State the side that one end that waterproof jacket is relatively large in diameter is located at the waterproof cover；
The weathering is located at the binder top surface, and weathering covers the billet, and the top surface of weathering is inclined-plane；
The lower anchor head protective device includes anchor cup steel case, anchor slab, pier nose steel case, anti-corrosion grease and bottom plate, anchor cup steel case
It fixes in the mounting hole, the anchor slab is mounted in anchor cup steel case, and the lower end of the sunpender sequentially passes through the anchor cup steel
The top of case and the anchor slab, the pier nose steel case are mounted on the lower end of the sunpender, the pier nose for exposing the downrod lower end
Steel wire is located in the space that the pier nose steel case and the anchor slab are formed, in the space that the pier nose steel case and the anchor slab are formed
Filled with anti-corrosion grease, anti-corrosion grease, the bottom plate installation are also filled between the anchor slab and the bottom of the anchor cup steel case
On the mounting hole.
It is equipped with reserved steel plate in the mounting hole, reserves Interal fixation in the bottom hole of the mounting hole, and reserve steel plate
Center is equipped with through-hole, and the lower end of the sunpender sequentially passes through the through-hole, the top of the anchor cup steel case and the anchor slab, described
Anchor cup steel case is welded on the reserved steel plate.
There are gaps between the anchor cup steel case and the reserved steel plate, deposit between the anchor cup steel case and the mounting hole
There are gaps between cavity, the bottom plate and the mounting hole.
The pier nose steel case includes anchor cup and pier nose cover board, and anchor cup is mounted on the lower end of the sunpender, the installation of pier nose cover board
In end face of the anchor cup far from the sunpender.
The bottom plate is mounted on the mounting hole by bolt.
The anti-corrosion grease is butter.
Steel pile casting is installed in the binder, steel pile casting is communicated with the mounting hole, the sunpender protrude into steel pile casting and
The lower end of the sunpender is located in mounting hole.
The outer surface of the waterproof jacket is equipped with waterproof coating.
The outer surface of the waterproof cover is equipped with waterproof coating.
The weathering is piled up using epoxy resin mortar.
By above technical scheme, compared with the existing technology, the utility model has the following beneficial effects:
Hanger Anchor header structure in the utility model, by the way that the waterproof jacket of truncated cone shape, energy are arranged above waterproof cover
It enough avoids rainwater from entering in waterproof cover to corrode waterproof cover, while preventing rainwater from entering in steel pile casting, avoid downrod lower end
The pier nose steel wire of exposing generates corrosion；By the way that inclined weathering is arranged above billet, billet is covered, can be prevented
Billet corrosion, and rainwater can be made to flow away along the inclined top surface of weathering, play the role of draining；By the way that lower anchor head is arranged
Protective device strengthens anti-corrosion measure it is possible to prevente effectively from pier nose steel wire is corroded；It can also be in anchor cup steel case and reserved steel plate
Between gap is set, while there are cavitys between anchor cup steel case and mounting hole, and gap is arranged between bottom plate and mounting hole, make due to
Abnormal cause enters the rainwater in steel pile casting and flows into anchor cup steel case and installation by the gap between anchor cup steel case and reserved steel plate
In cavity between hole, then by the outflow of gap between bottom plate and mounting hole, guarantee that the sunpender header structure that casts anchor is in dry always
In dry environment；Sunpender anchor head improvement of waterproof structure construction in the utility model is convenient, and process is simple, can effectively extend Hanger Anchor
The service life of header structure.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram for the sunpender anchor head improvement of waterproof structure that the utility model is located on binder；
Fig. 2 is the sectional view for the sunpender anchor head improvement of waterproof structure that the utility model is located in binder；
Fig. 3 is the bottom view of the sunpender anchor head improvement of waterproof structure of the utility model.
In figure:
1 sunpender, 2 billets, 3 binders, 4 waterproof covers, 5 sleeves, 6 sealing rings, 7 anti-corrosion greases, 8 damping blocks, 9 mounting holes,
10 steel pile castings, 11 pe sheaths, 12 pier nose steel wires, 13 waterproof jackets, 14 weatherings, 15 anchor cup steel casees, 16 anchor slabs, 17 pier nose steel
Case, 18 bottom plates, 19 reserved steel plates, 20 gaps, 21 cover plate bolts, 22 nuts, 23 bolts, 24 anchor cups, 25 pier nose cover boards.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
It is easily corroded to solve existing Hanger Anchor header structure, the lower problem of service life, as shown in Figures 1 to 3, this
Utility model provides a kind of sunpender anchor head improvement of waterproof structure of bowstring arch bridge, including sunpender 1, billet 2, binder 3, waterproof
Lid 4, sleeve 5 and sealing ring 6；Billet 2 is fixed on the top surface of binder 3, and waterproof cover 4 is mounted on billet 2, and sunpender 1 is successively
It is filled with anti-corrosion grease 7 between waterproof cover 4 and billet 2, waterproof cover 4 and sunpender 1, on billet 2 and is located at waterproof
Damping block 8 is additionally provided in lid 4,5 sets of sleeve outside sunpender 1, sealing ring 6 is arranged between the top of waterproof cover 4 and sleeve 5, is
3 bottom of beam is equipped with mounting hole 9, is equipped with steel pile casting 10 in binder 3, steel pile casting 10 is communicated with mounting hole 9, and sunpender 1 protrudes into binder 3
Steel pile casting 10 in and the lower end of sunpender 1 be located in mounting hole 9；Sunpender 1 is including pe sheath 11 and is located at pe sheath
More pier nose steel wires 12 in 11, the pier nose steel wire 12 of 1 lower end of sunpender are not wrapped up by pe sheath 11；
In the present invention, Hanger Anchor header structure further includes the hollow waterproof jacket 13 of truncated cone shape, 14 and of weathering
Lower anchor head protective device；
13 sets of waterproof jacket outside sleeve 5, and the lesser one end of 13 diameter of waterproof jacket and sleeve 5 weld, 13 diameter of waterproof jacket
Biggish one end is located at the side of waterproof cover 4, so that waterproof jacket 13 covers waterproof cover 4 and sealing ring 6；
Weathering 14 is located at 3 top surface of binder, and weathering 14 covers billet 2, and the top surface of weathering 14 is inclined-plane；Draining
Slope 14 can be piled up using epoxy resin mortar.
When rainy, due to waterproof jacket 13 top and sleeve 5 weld, can prevent rainwater by waterproof jacket 13 with
The side wall of sleeve 5 penetrates into, and rainwater can be flowed down along the side of waterproof jacket 13, then flow to weathering by the side of waterproof cover 4
On 14, since weathering 14 covers billet 2, raindrop erosion billet 2 can be prevented, since the top surface of weathering 14 is inclined
Tiltedly, therefore the rainwater of 14 top surface of weathering can flow away along top surface, so prevent the corrosion of waterproof cover 4 and billet 2, avoid rain
Water, which enters in waterproof cover 4, has an adverse effect to anti-corrosion grease 7, while being also avoided that rainwater enters in steel pile casting 10, to sunpender 1
The pier nose steel wire 12 that lower end is exposed generates corrosion, avoids corrosion of the moisture to Hanger Anchor header structure from the root.
Lower anchor head protective device includes anchor cup steel case 15, anchor slab 16, pier nose steel case 17, anti-corrosion grease 7 and bottom plate 18, anchor cup
Steel case 15 is fixed in mounting hole 9, and anchor slab 16 is mounted in anchor cup steel case 15, and the lower end of sunpender 1 sequentially passes through anchor cup steel case 15
Top and anchor slab 16, pier nose steel case 17 be mounted on the lower end of sunpender 1, make 1 lower end of sunpender expose pier nose steel wire 12 be located at pier
In the space that head steel case 17 and anchor slab 16 are formed, pier nose steel case 17 and anchor slab 16 can be by being welded to connect, 17 He of pier nose steel case
It is filled with anti-corrosion grease 7 in the space that anchor slab 16 is formed, is also filled with antiseptic oil between anchor slab 16 and the bottom of anchor cup steel case 15
Rouge 7, bottom plate 18 are mounted on mounting hole 9.
In this way, being revealed by filling anti-corrosion grease 7 in the space of pier nose steel case 17 and the formation of anchor slab 16 to 1 lower end of sunpender
Pier nose steel wire 12 out is protected, and further, is also filled with antiseptic oil between anchor slab 16 and the bottom of anchor cup steel case 15
Rouge 7 protects pier nose steel case 17, can effectively avoid pier nose steel wire 12 from being corroded, strengthen anti-corrosion measure, prevent pier
Head steel wire 12 generates deterioration, substantially increases the service life of Hanger Anchor header structure.
Reserved steel plate 19 is equipped in mounting hole 9, reserved steel plate 19 is fixed on the bottom hole of mounting hole 9, and reserves steel plate 19
Center is equipped with through-hole, and the lower end of sunpender 1 sequentially passes through through-hole, the top of anchor cup steel case 15 and anchor slab 16, and anchor cup steel case 15 welds
On reserved steel plate 19.
In the present invention, in order to preferably prevent rainwater from corroding to the lower part of Hanger Anchor header structure, Ke Yi
Gap is set between anchor cup steel case 15 and reserved steel plate 19, is welded between sunpender 1 and anchor cup steel case 15, at the same anchor cup steel case 15 with
There are cavitys between mounting hole 9, as shown in figure 3, gap 20 is arranged between bottom plate 18 and mounting hole 9；
If causing rainwater to enter in steel pile casting 10 due to certain abnormal causes, rainwater can be by anchor cup steel case 15 and pre-
Stay gap between steel plate 19 to flow into the cavity between anchor cup steel case 15 and mounting hole 9, then by bottom plate 18 and mounting hole 9 it
Between gap 20 flow out, guarantee Hanger Anchor header structure lower part in a dry environment, slow down the speed of corrosion significantly, have
Effect extends the service life of Hanger Anchor header structure.
In the present invention, pier nose steel case 17 includes anchor cup 24 and pier nose cover board 25, and anchor cup 24 is mounted under sunpender 1
End, pier nose cover board 25 are mounted on end face of the anchor cup 24 far from sunpender 1, and the side of anchor cup 24 is fixed with multiple cover plate bolts 21, more
A being arranged circumferentially along anchor cup 24 of cover plate bolt 21, multiple cover plate bolts 21 pass through the bottom surface of anchor cup steel case 15, and every
The part that a cover plate bolt 21 passes through anchor cup steel case 15 is respectively screwed on a nut 22.
In the present invention, bottom plate 18 is mounted on mounting hole 9 by bolt 23.
In the present invention, anti-corrosion grease 7 can choose butter, can also be equipped with waterproof in the outer surface of waterproof jacket 13
Coating is equipped with waterproof coating in the outer surface of waterproof cover 4.
Sunpender anchor head improvement of waterproof structure in the utility model, by the way that truncated cone shape is arranged above waterproof cover 4
Waterproof jacket 13 can be avoided rainwater and enter in waterproof cover 4 and corrode to waterproof cover 4, while preventing rainwater from entering steel pile casting 10
Interior, the pier nose steel wire 12 for avoiding 1 lower end of sunpender from exposing generates corrosion；By the way that inclined weathering 14 is arranged above billet 2,
Billet 2 is covered, can prevent billet 2 from corroding and rainwater is made to flow away along the inclined top surface of weathering 14, is played
The effect of draining；It strengthens anti-corrosion it is possible to prevente effectively from pier nose steel wire 12 is corroded by the way that lower anchor head protective device is arranged and arranges
It applies；Gap can also be set between anchor cup steel case 15 and reserved steel plate 19, while being existed between anchor cup steel case 15 and mounting hole 9
Gap is arranged between bottom plate 18 and mounting hole 9 in cavity, and the rainwater entered in steel pile casting 10 due to abnormal cause is made to pass through anchor cup steel
Gap between case 15 and reserved steel plate 19 flows into the cavity between anchor cup steel case 15 and mounting hole 9, then by bottom plate 18 with
Gap outflow between mounting hole 9, guarantees that the sunpender header structure that casts anchor is in dry environment always；Sunpender in the utility model
Anchor head improvement of waterproof structure construction is convenient, and process is simple, can effectively extend the service life of Hanger Anchor header structure.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (10)
1. a kind of sunpender anchor head improvement of waterproof structure of bowstring arch bridge, including sunpender, billet, binder, waterproof cover, sleeve and close
Seal；Billet is fixed on the top surface of binder, and waterproof cover is mounted on billet, and sunpender sequentially passes through waterproof cover and billet,
Sleeve covers outside sunpender, and sealing ring is arranged between the top of waterproof cover and sleeve, and binder bottom is equipped with mounting hole, and sunpender protrudes into
In the binder and lower end of sunpender is located in mounting hole；It is characterized by: the Hanger Anchor header structure further includes truncated cone shape
Hollow waterproof jacket, weathering and lower anchor head protective device；
The waterproof jacket covers outside the sleeve, and described lesser one end of waterproof jacket diameter and the sleeve weld, described anti-
One end that water jacket is relatively large in diameter is located at the side of the waterproof cover；
The weathering is located at the binder top surface, and weathering covers the billet, and the top surface of weathering is inclined-plane；
The lower anchor head protective device includes anchor cup steel case, anchor slab, pier nose steel case, anti-corrosion grease and bottom plate, and anchor cup steel case is fixed
In the mounting hole, the anchor slab is mounted in anchor cup steel case, and the lower end of the sunpender sequentially passes through the anchor cup steel case
Top and the anchor slab, the pier nose steel case are mounted on the lower end of the sunpender, the pier nose steel wire for exposing the downrod lower end
In the space that the pier nose steel case and the anchor slab are formed, filled in the space that the pier nose steel case and the anchor slab are formed
There is anti-corrosion grease, anti-corrosion grease is also filled between the anchor slab and the bottom of the anchor cup steel case, the bottom plate is mounted on institute
It states on mounting hole.
2. the sunpender anchor head improvement of waterproof structure of bowstring arch bridge according to claim 1, it is characterised in that: the mounting hole
It is interior to be equipped with reserved steel plate, Interal fixation is reserved in the bottom hole of the mounting hole, and the center of reserved steel plate is equipped with through-hole, it is described to hang
The lower end of bar sequentially passes through the through-hole, the top of the anchor cup steel case and the anchor slab, and the anchor cup steel case is welded on described
On reserved steel plate.
3. the sunpender anchor head improvement of waterproof structure of bowstring arch bridge according to claim 2, it is characterised in that: the anchor cup steel
There are gaps between case and the reserved steel plate, there are cavity between the anchor cup steel case and the mounting hole, the bottom plate with
There are gaps between the mounting hole.
4. the sunpender anchor head improvement of waterproof structure of bowstring arch bridge according to claim 1, it is characterised in that: the pier nose steel
Case includes anchor cup and pier nose cover board, and anchor cup is mounted on the lower end of the sunpender, and pier nose cover board is mounted on anchor cup far from the sunpender
End face.
5. the sunpender anchor head improvement of waterproof structure of bowstring arch bridge according to claim 1, it is characterised in that: the bottom plate is logical
Bolt is crossed to be mounted on the mounting hole.
6. the sunpender anchor head improvement of waterproof structure of bowstring arch bridge according to claim 1, it is characterised in that: the antiseptic oil
Rouge is butter.
7. the sunpender anchor head improvement of waterproof structure of bowstring arch bridge according to claim 1, it is characterised in that: in the binder
Steel pile casting is installed, steel pile casting is communicated with the mounting hole, and the sunpender protrudes into steel pile casting and the lower end of the sunpender is located at
In mounting hole.
8. the sunpender anchor head improvement of waterproof structure of bowstring arch bridge according to claim 1, it is characterised in that: the waterproof jacket
Outer surface be equipped with waterproof coating.
9. the sunpender anchor head improvement of waterproof structure of bowstring arch bridge according to claim 1, it is characterised in that: the waterproof cover
Outer surface be equipped with waterproof coating.
10. the sunpender anchor head improvement of waterproof structure of bowstring arch bridge according to claim 1, it is characterised in that: the draining
It is piled up using epoxy resin mortar on slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821149856.5U CN208701524U (en) | 2018-07-20 | 2018-07-20 | A kind of sunpender anchor head improvement of waterproof structure of bowstring arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821149856.5U CN208701524U (en) | 2018-07-20 | 2018-07-20 | A kind of sunpender anchor head improvement of waterproof structure of bowstring arch bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208701524U true CN208701524U (en) | 2019-04-05 |
Family
ID=65938722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821149856.5U Active CN208701524U (en) | 2018-07-20 | 2018-07-20 | A kind of sunpender anchor head improvement of waterproof structure of bowstring arch bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208701524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404755A (en) * | 2022-10-28 | 2022-11-29 | 兰州理工大学 | Waterproof, antirust and vibration-damping tied arch bridge suspender |
-
2018
- 2018-07-20 CN CN201821149856.5U patent/CN208701524U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404755A (en) * | 2022-10-28 | 2022-11-29 | 兰州理工大学 | Waterproof, antirust and vibration-damping tied arch bridge suspender |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210014 No. 9 Ziyun Avenue, Qinhuai District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Huatong Engineering Checking & Measuring Co.,Ltd. Address before: 210014 No. 9 Ziyun Avenue, Qinhuai District, Nanjing City, Jiangsu Province Patentee before: JIANGSU HUATONG ENGINEERING INSPECTION CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |