CN214005409U - Prestressed tensioning end anchorage device for concrete combined box girder bridge - Google Patents
Prestressed tensioning end anchorage device for concrete combined box girder bridge Download PDFInfo
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- CN214005409U CN214005409U CN202022460627.9U CN202022460627U CN214005409U CN 214005409 U CN214005409 U CN 214005409U CN 202022460627 U CN202022460627 U CN 202022460627U CN 214005409 U CN214005409 U CN 214005409U
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- anchor
- backing plate
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- box girder
- girder bridge
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Abstract
The utility model discloses a prestressing force stretch-draw end ground tackle for concrete combination box girder bridge, including anchor backing plate (1) and work anchor slab (2) that are connected with anchor backing plate (1) one side, anchor backing plate (1) is equipped with anchor pad muscle (3) in the one side of keeping away from work anchor slab (2), anchor pad muscle (3) are provided with grout hole (6) and a plurality of installation locating hole (7) in one side of keeping away from one side fixedly connected with hollow structure's of anchor backing plate (1) cylindric bellows pore (4), the surface that anchor pad muscle (3) and cylindric bellows pore (4) are connected is equipped with spiral muscle (5), anchor backing plate (1) is provided with work clamping piece (8) in one side of being close to work anchor slab (2), the one end that anchor backing plate (1) was kept away from in work anchor slab (2). The utility model discloses a concrete combination box girder bridge is with prestressing force stretch-draw end ground tackle, structural design is reasonable, excellent in use effect.
Description
Technical Field
The utility model relates to a prestressing force stretch-draw anchorage device technical field, concretely relates to prestressing force stretch-draw end ground tackle for concrete composite box girder bridge.
Background
The construction field of highway bridges and the like is the most widely applied place of the prestress technology. In production practice, the steel strand tension in the prestressed component is to connect the steel strand head with the tension machine, and the common connection mode is an anchor method. In some special structures, the normal use of the anchorage is ensured, both the normative during the installation and use of the anchorage and the rational structure of the anchorage are required, so that the components of the anchorage are well matched to achieve the purpose of applying prestress. However, the existing prestressed tensioning end anchorage is unreasonable in structural design, and a person skilled in the art is urgently required to research a prestressed tensioning end anchorage for a concrete combined box girder bridge.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the deficiencies existing in the prior art, a prestressing force stretch-draw end ground tackle for concrete combination box girder bridge that structural design is reasonable is provided.
In order to achieve the purpose of the utility model, the utility model provides a technical scheme as follows: the utility model provides a prestressed tension end ground tackle for concrete combination box girder bridge, includes anchor backing plate and the work anchor slab that is connected with anchor backing plate one side, the anchor backing plate is equipped with the anchor backing muscle in the one side of keeping away from the work anchor slab, the anchor backing muscle is in the cylindric bellows pore of keeping away from one side fixedly connected with hollow structure of anchor backing plate, the surface that anchor backing muscle and cylindric bellows pore are connected is equipped with the spiral muscle, the anchor backing plate is provided with grout hole and a plurality of installation locating hole in the one side of being close to the work anchor slab, the one end that the anchor backing plate was kept away from to the work anchor slab is provided with the work clamping piece.
Preferably, the anchor reinforcing rib is a hollow trumpet-shaped structure.
Preferably, the connection interface of the cylindrical corrugated pipe hole and the anchor backing plate is arranged in a sealing mode.
Preferably, the cylindrical corrugated pipe passage is made of plastic.
Based on the technical scheme, compared with the prior art, the utility model have following technical advantage:
the utility model adopts the prestressed tension end anchorage for the concrete combined box girder bridge, has reasonable structural design, firm structural arrangement and good use effect; the anchor backing plate can be conveniently positioned and fixed through the arrangement of the mounting positioning holes.
Drawings
Fig. 1 is the schematic structural diagram of the prestressed tension end anchorage device for the concrete combined box girder bridge of the utility model.
Fig. 2 is the position schematic diagram of the grouting hole and the installation positioning hole of the utility model.
In the figure: 1. the anchor comprises an anchor backing plate, 2 working anchor plates, 3 anchor backing ribs, 4 cylindrical corrugated pipe pore passages, 5 spiral ribs, 6 grouting holes, 7 mounting positioning holes and 8 working clamping pieces.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
As shown in fig. 1-2, a prestressed tension end anchorage for concrete composite box girder bridge includes an anchor backing plate 1 and a working anchor plate 2 connected with one side of the anchor backing plate 1, the anchor backing plate 1 is provided with an anchor pad rib 3 on one side far away from the working anchor plate 2, the anchor pad rib 3 is fixedly connected with a cylindrical corrugated pipe duct 4 with a hollow structure on one side far away from the anchor backing plate 1, the outer surface of the anchor pad rib 3 connected with the cylindrical corrugated pipe duct 4 is provided with a spiral rib 5, one side of the anchor backing plate 1 near the working anchor plate 2 is provided with a grouting hole 6 and three installation positioning holes 7, and one end of the working anchor plate 2 far away from the anchor backing plate 1 is provided with a working clamping piece 8.
The anchor pad rib 3 is of a hollow horn-shaped structure. The connection interface of the cylindrical corrugated pipe pore passage 4 and the anchor backing plate 1 is sealed. The cylindrical corrugated pipe pore passage 4 is made of plastic.
The foregoing is illustrative and explanatory of the invention and is not intended to limit the advantages attainable thereby, and it is within the scope of the present application to practice the invention with simple modifications to the structure and/or one or more of the advantages achieved in some embodiments.
Claims (4)
1. The utility model provides a concrete combination box girder bridge is with prestressing force stretch-draw end ground tackle which characterized in that: including anchor backing plate (1) and work anchor slab (2) that are connected with anchor backing plate (1) one side, anchor backing plate (1) is equipped with anchor pad muscle (3) in the one side of keeping away from work anchor slab (2), anchor pad muscle (3) are in cylindric bellows pore (4) of keeping away from one side fixedly connected with hollow structure of anchor backing plate (1), the surface that anchor pad muscle (3) and cylindric bellows pore (4) are connected is equipped with spiral muscle (5), anchor backing plate (1) is provided with grout hole (6) and a plurality of installation locating hole (7) in the one side that is close to work anchor slab (2), the one end that anchor backing plate (1) was kept away from in work anchor slab (2) is provided with work clamping piece (8).
2. The prestressed tension end anchorage for the concrete composite box girder bridge according to claim 1, wherein: the anchor pad rib (3) is of a hollow horn-shaped structure.
3. The prestressed tension end anchorage for the concrete composite box girder bridge according to claim 1, wherein: the connection interface of the cylindrical corrugated pipe pore passage (4) and the anchor backing plate (1) is sealed.
4. The prestressed tension end anchorage for the concrete composite box girder bridge according to claim 1, wherein: the cylindrical corrugated pipe pore canal (4) is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022460627.9U CN214005409U (en) | 2020-10-30 | 2020-10-30 | Prestressed tensioning end anchorage device for concrete combined box girder bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022460627.9U CN214005409U (en) | 2020-10-30 | 2020-10-30 | Prestressed tensioning end anchorage device for concrete combined box girder bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214005409U true CN214005409U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022460627.9U Active CN214005409U (en) | 2020-10-30 | 2020-10-30 | Prestressed tensioning end anchorage device for concrete combined box girder bridge |
Country Status (1)
| Country | Link |
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| CN (1) | CN214005409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922065A (en) * | 2022-05-31 | 2022-08-19 | 保利长大工程有限公司 | Installation process of anchorage device assembly for bridge |
-
2020
- 2020-10-30 CN CN202022460627.9U patent/CN214005409U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922065A (en) * | 2022-05-31 | 2022-08-19 | 保利长大工程有限公司 | Installation process of anchorage device assembly for bridge |
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