CN112681131A - Universal stretch-draw anchor beam - Google Patents
Universal stretch-draw anchor beam Download PDFInfo
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- CN112681131A CN112681131A CN202011546654.6A CN202011546654A CN112681131A CN 112681131 A CN112681131 A CN 112681131A CN 202011546654 A CN202011546654 A CN 202011546654A CN 112681131 A CN112681131 A CN 112681131A
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Abstract
The invention relates to the technical field of bridge construction engineering equipment, in particular to a universal tensioning anchor beam for arch bridge inclined pull buckle hanging construction, which is characterized in that tensioning vertical plates are welded at two ends of a main beam, a rotating shaft tensioning pedestal is arranged in a hole of the vertical plate, a rotating shaft can vertically and freely rotate in the hole of the vertical plate to adapt to a vertical inclination angle of a buckled anchor cable, an upper spherical backing plate and a lower spherical backing plate are arranged on the tensioning pedestal, an anchor is propped against the upper spherical backing plate for tensioning, the upper spherical backing plate can freely rotate in a concave spherical surface of the lower spherical backing plate to self-adapt to a horizontal deflection angle of the buckled anchor cable, thereby thoroughly solving the difficult problem that the anchor beam can only be designed and used at one time and can not be interchanged and used, realizing the interchange and universality of each anchor beam and achieving the purposes of recycling and reusing and reducing the construction cost, and having simple and reliable structural design and convenient operation, the anchor cable buckling device has the advantages that the vertical inclination angle and the horizontal deflection angle of the anchor cable can be well adaptive, the anchor cable buckling device can be used in a circulating and interchanging mode and is universal, and the engineering cost is effectively reduced.
Description
Technical Field
The invention relates to the technical field of bridge construction engineering equipment, in particular to a universal tensioning anchor beam for arch bridge inclined pulling buckle hanging construction.
Background
The steel strand is widely applied to the stayed-cable buckle hanging buckle anchor cable of the arch bridge as a stress structure, the anchor beam is arranged on the top of the tower as a force transmission device for buckling the anchor cable, the buckling anchor cable is symmetrically stretched and anchored at two ends of the anchor beam, the angle of each section of buckling anchor cable is different, and a universal anchor beam structure for interchange is needed to be designed.
At present, in the anchor beam structure in the prior art, tension vertical plates and cover plates are welded at two ends of the anchor beam structure, holes are formed in the cover plates, anchors are directly abutted to the cover plates, and then fastening anchor cables are installed for tensioning. When the anchor beam is used in the next project, the vertical plate and the cover plate need to be subjected to flame cutting, then the vertical plate and the cover plate are welded again according to a new angle, and the main beam of the anchor beam is damaged and scrapped after being cut and welded for many times, so that labor and materials are wasted.
Disclosure of Invention
In order to solve the defects and problems of the anchor beam in the prior art, the universal tensioning anchor beam is provided.
The technical scheme adopted by the invention for solving the technical problem is as follows: the universal tensioning anchor beam comprises a main beam, a tensioning vertical plate, a rotating shaft tensioning pedestal, a spherical lower base plate, a spherical upper base plate, an anchorage device and a clamping piece; the tensioning vertical plates are welded at two ends of the main beam, vertical plate holes are formed in the tensioning vertical plates, and the rotating shaft tensioning pedestal is installed in the vertical plate holes; the spherical lower backing plate and the spherical upper backing plate are arranged on the rotating shaft tensioning pedestal; the anchorage device and the clamping piece are arranged on the upper spherical base plate and are used for anchoring and buckling the anchor cable.
The rotating shaft tensioning pedestal and the tensioning vertical plate are in sliding fit, and the rotating shaft tensioning pedestal can freely rotate in the vertical plate hole to adapt to the vertical inclination angle of the buckled anchor cable.
The spherical lower padding plate and the spherical upper padding plate are matched with each other, the spherical lower padding plate and the spherical upper padding plate are in sliding fit, the upper spherical padding plate can freely rotate in the concave spherical surface of the lower spherical padding plate, and the anchor device is driven to self-adaptively buckle the horizontal deflection angle of the anchor cable, so that the universal interchange of all tensioning anchor beams is realized.
The invention has the beneficial effects that: compared with the prior art, the universal tensioning anchor beam adopts the tensioning vertical plates welded at the two ends of the main beam, a rotating shaft tensioning pedestal is arranged in the vertical plate hole, the rotating shaft can freely rotate vertically in the vertical plate hole to adapt to the vertical inclination angle of the fastening anchor cable, an upper spherical base plate and a lower spherical base plate are arranged on the tensioning pedestal, the top of the anchor is attached to the upper spherical base plate for tensioning, the upper spherical base plate can freely rotate in the concave spherical surface of the lower spherical base plate, the horizontal deflection angle of the anchor cable is buckled in a self-adaptive way, so the difficult problem that the anchor beam can only be designed and used once and can not be interchanged and used is thoroughly solved, therefore, the universal interchange of the tensioning anchor beams is realized, the purpose of recycling and reusing to reduce the construction cost is achieved, the structural design is simple and reliable, the operation is convenient, the vertical inclination angle and the horizontal deflection angle of the anchor cable can be well and adaptively buckled, the universal interchange is realized, and the engineering cost is effectively reduced.
Drawings
The universal tensioning anchor beam is further explained with reference to the attached drawings and the specific embodiment.
FIG. 1 is a schematic structural view of a universal tensioned anchor beam of the present invention;
fig. 2 is a side view of the structure of fig. 2.
The specific implementation mode is as follows:
as shown in fig. 1 and 2, the universal tensioning anchor beam of the invention comprises a main beam 1, a tensioning vertical plate 2, a rotating shaft tensioning pedestal 3, a spherical lower backing plate 4, a spherical upper backing plate 5, an anchorage device 6 and a clamping piece 7. The tensioning vertical plates 2 are welded at two ends of the main beam 1. The tensioning vertical plate 2 is provided with a vertical plate hole 21, the rotating shaft tensioning pedestal 3 is installed in the vertical plate hole 21, the rotating shaft tensioning pedestal 3 is in sliding fit with the tensioning vertical plate 2, and the rotating shaft tensioning pedestal 3 can freely rotate in the vertical plate hole 21 to adapt to a vertical inclination angle of the fastening anchor cable 8.
As shown in fig. 1 and 2, a spherical lower padding plate 4 and a spherical upper padding plate 5 are installed on a rotating shaft tensioning pedestal 3, the spherical lower padding plate 4 and the spherical upper padding plate 5 are matched with each other, the spherical lower padding plate 4 and the spherical upper padding plate 5 are in sliding fit, the upper spherical padding plate 5 can freely rotate in a concave spherical surface of the lower spherical padding plate 4 to drive an anchorage device 6 to self-adaptively buckle a horizontal deflection angle of an anchor cable 8, and therefore the tensioning anchor beams are interchanged and are universal. An anchorage device 6 and a clamping piece 7 are arranged on the upper spherical base plate 5, and the anchorage device 6 and the clamping piece 7 are used for anchoring and buckling an anchor cable 8.
In conclusion, compared with the prior art, the universal tensioning anchor beam adopts the structure that the tensioning vertical plates are welded at the two ends of the main beam, a rotating shaft tensioning pedestal is arranged in the vertical plate hole, the rotating shaft can freely rotate vertically in the vertical plate hole to adapt to the vertical inclination angle of the fastening anchor cable, an upper spherical base plate and a lower spherical base plate are arranged on the tensioning pedestal, the top of the anchor is attached to the upper spherical base plate for tensioning, the upper spherical base plate can freely rotate in the concave spherical surface of the lower spherical base plate, the horizontal deflection angle of the anchor cable is buckled in a self-adaptive way, so the difficult problem that the anchor beam can only be designed and used once and can not be interchanged and used is thoroughly solved, therefore, the universal interchange of the tensioning anchor beams is realized, the purpose of recycling and reusing to reduce the construction cost is achieved, the structural design is simple and reliable, the operation is convenient, the vertical inclination angle and the horizontal deflection angle of the anchor cable can be well and adaptively buckled, the universal interchange is realized, and the engineering cost is effectively reduced. .
The present invention has been described in accordance with embodiments thereof with the understanding that the present invention is not limited thereto but rather it is to be understood that variations and/or modifications may be made by those skilled in the art without departing from the scope of the invention as defined by the appended claims, and any such modifications, equivalents and the like as fall within the true spirit and scope of the invention.
Claims (3)
1. The utility model provides a universal stretch-draw anchor beam which characterized in that: the device comprises a main beam, a tensioning vertical plate, a rotating shaft tensioning pedestal, a spherical lower base plate, a spherical upper base plate, an anchorage and a clamping piece; the tensioning vertical plates are welded at two ends of the main beam, vertical plate holes are formed in the tensioning vertical plates, and the rotating shaft tensioning pedestal is installed in the vertical plate holes; the spherical lower backing plate and the spherical upper backing plate are arranged on the rotating shaft tensioning pedestal; the anchorage device and the clamping piece are arranged on the upper spherical base plate and are used for anchoring and buckling the anchor cable.
2. A universal tensioned anchor beam as set forth in claim 1 wherein: the rotating shaft tensioning pedestal and the tensioning vertical plate are in sliding fit, and the rotating shaft tensioning pedestal can freely rotate in the vertical plate hole to adapt to the vertical inclination angle of the buckled anchor cable.
3. A universal tensioned anchor beam as set forth in claim 1 wherein: the spherical lower padding plate and the spherical upper padding plate are matched with each other, the spherical lower padding plate and the spherical upper padding plate are in sliding fit, the upper spherical padding plate can freely rotate in the concave spherical surface of the lower spherical padding plate, and the anchor device is driven to self-adaptively buckle the horizontal deflection angle of the anchor cable, so that the universal interchange of all tensioning anchor beams is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546654.6A CN112681131A (en) | 2020-12-24 | 2020-12-24 | Universal stretch-draw anchor beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546654.6A CN112681131A (en) | 2020-12-24 | 2020-12-24 | Universal stretch-draw anchor beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112681131A true CN112681131A (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011546654.6A Pending CN112681131A (en) | 2020-12-24 | 2020-12-24 | Universal stretch-draw anchor beam |
Country Status (1)
| Country | Link |
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| CN (1) | CN112681131A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756209A (en) * | 2021-10-18 | 2021-12-07 | 湖南省通盛工程有限公司 | Diagonal pulling and pushing construction method for large-span steel beam |
-
2020
- 2020-12-24 CN CN202011546654.6A patent/CN112681131A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756209A (en) * | 2021-10-18 | 2021-12-07 | 湖南省通盛工程有限公司 | Diagonal pulling and pushing construction method for large-span steel beam |
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