CN215405597U - Prestressed anchorage utensil is used in bridge construction - Google Patents
Prestressed anchorage utensil is used in bridge construction Download PDFInfo
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- CN215405597U CN215405597U CN202120047487.4U CN202120047487U CN215405597U CN 215405597 U CN215405597 U CN 215405597U CN 202120047487 U CN202120047487 U CN 202120047487U CN 215405597 U CN215405597 U CN 215405597U
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- side wall
- fixedly connected
- bridge construction
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- tensioning box
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Abstract
The utility model discloses a prestressed anchorage device for bridge construction, which comprises a bundling pipe and a plurality of steel cables, wherein the outer side wall of the bundling pipe is fixedly connected with a branching ring, the side wall of the branching ring is fixedly connected with a connecting pipe, the connecting pipe is connected with a working anchor plate through a fixing mechanism, the side wall of the working anchor plate is fixedly connected with a tensioning box, the outer side wall of the tensioning box is fixedly connected with an anchor pad frame, the inner side wall of the tensioning box is rotatably connected with a plurality of threaded rods, and the threaded rods penetrate through the tensioning box and extend into the anchor pad frame. According to the utility model, through the matched use of the bundling pipe, the distributing ring, the working anchor plate, the tensioning box, the anchor pad frame, the threaded rod, the threaded block and the rotating shaft, the prestress requirements of a plurality of steel cables in different sizes can be met through the plurality of rotating shafts, the problems that the resilience degree of the plurality of steel cables is different after the plurality of steel cables are used for a long time and the prestress required by each steel cable is different are solved, and the practicability of the device is improved.
Description
Technical Field
The utility model relates to the technical field of prestressed anchorage devices, in particular to a prestressed anchorage device for bridge construction.
Background
The anchorage device is a permanent anchorage device used in prestressed concrete, and is an anchorage tool, also called a prestressed anchorage device, used in post-tensioning structure or component, for maintaining the tension of prestressed tendons and transferring the tension to the interior of concrete, and the anchorage device used in concrete can be divided into two types: the tensioning end anchorage device is arranged at the end part of the prestressed tendon and can also be called as a tensioning anchorage device; fixed end anchors, installed at the ends of tendons, are typically buried in concrete and are not used as tensioned anchors.
However, the existing prestressed anchorage still has many disadvantages in actual use, for example, the degrees of resilience of a plurality of steel cables after long-time use are different, so that the prestress required by each steel cable is different, and the use requirement of people on the prestressed anchorage is difficult to meet, and therefore, the prestressed anchorage for bridge construction is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides a prestressed anchorage device for bridge construction.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a prestressed anchorage utensil is used in bridge construction, includes bundling pipe and a plurality of steel noose, bundling pipe lateral wall fixedly connected with separated time circle, separated time circle lateral wall fixedly connected with connecting pipe, the connecting pipe is connected with the work anchor slab through fixed establishment, the taut case of work anchor slab lateral wall fixedly connected with, taut case lateral wall fixedly connected with anchor pad frame, taut incasement lateral wall rotates and is connected with a plurality of threaded rods, the threaded rod runs through taut case and extends to anchor pad frame in, taut case lateral wall rotates and is connected with a plurality of axis of rotation, and is a plurality of the axis of rotation passes through drive mechanism and is connected with a plurality of threaded rods, and is a plurality of the equal threaded connection of threaded rod lateral wall has the thread piece, thread piece and steel noose fixed connection.
Preferably, the fixing mechanism comprises a fixing hole formed in the side wall of the connecting pipe, a fixing groove corresponding to the fixing hole is formed in the side wall of the working anchor plate, and the fixing hole is connected with the fixing groove through a fixing screw.
Preferably, the transmission mechanism comprises a first bevel gear fixedly connected to the outer side wall of the rotating shaft, a second bevel gear fixedly connected to the outer side wall of the threaded rod, and the first bevel gear is in meshed connection with the second bevel gear.
Preferably, the outer side wall of the anchor pad frame is movably sleeved with a spiral rib.
Preferably, one end of the rotating shaft, which is far away from the tensioning box, is fixedly connected with a rotating handle.
Preferably, a plurality of the steel cables are attached in the bundling pipe, penetrate through the working anchor plate and the tensioning box and extend into the anchor pad frame.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, through the matched use of the bundling pipe, the distributing ring, the working anchor plate, the tensioning box, the anchor pad frame, the threaded rod, the threaded block and the rotating shaft, the prestress requirements of a plurality of steel cables in different sizes can be met through the plurality of rotating shafts, the problems that the resilience degree of the plurality of steel cables is different after the plurality of steel cables are used for a long time and the prestress required by each steel cable is different are solved, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic structural view of a prestressed anchorage device for bridge construction according to the present invention;
fig. 2 is a schematic structural diagram of a thread block in a prestressed anchorage device for bridge construction according to the present invention.
In the figure: 1. a bundling tube; 2. a coil splitting; 3. a connecting pipe; 4. a steel wire rope; 5. a working anchor plate; 6. tensioning the box; 7. a rotating shaft; 8. an anchor pad frame; 9. a spiral rib; 10. a threaded rod; 11. a thread block; 12. and fixing the screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a prestressed anchorage device for bridge construction comprises a bundling pipe 1 and a plurality of steel cables 4, wherein the outer side wall of the bundling pipe 1 is fixedly connected with a branching coil 2, the side wall of the branching coil 2 is fixedly connected with a connecting pipe 3, the plurality of steel cables 4 are attached in the bundling pipe 1, the plurality of steel cables 4 penetrate through a working anchor plate 5 and a tensioning box 6 and extend into an anchor pad frame 8, the connecting pipe 3 is connected with the working anchor plate 5 through a fixing mechanism, the fixing mechanism comprises a fixing hole formed in the side wall of the connecting pipe 3, a fixing groove corresponding to the fixing hole is formed in the side wall of the working anchor plate 5, the fixing hole is connected with the fixing groove through a fixing screw 12, and the connecting pipe 3 can be separated from the working anchor plate 5 through the arrangement of the fixing screw 12, so that the disassembly is convenient and the operation inside the connecting pipe 3 is also convenient;
the side wall of the working anchor plate 5 is fixedly connected with a tensioning box 6, the outer side wall of the tensioning box 6 is fixedly connected with an anchor pad frame 8, the outer side wall of the anchor pad frame 8 is movably sleeved with a spiral rib 9, the contact area with concrete can be increased through the spiral rib 9, so that the anchor pad frame 8 is more stably fixed in the concrete, the inner side wall of the tensioning box 6 is rotatably connected with a plurality of threaded rods 10, the threaded rods 10 penetrate through the tensioning box 6 and extend into the anchor pad frame 8, the side wall of the tensioning box 6 is rotatably connected with a plurality of rotating shafts 7, one end of each rotating shaft 7 far away from the tensioning box 6 is fixedly connected with a rotating handle, the plurality of rotating shafts 7 are connected with the plurality of threaded rods 10 through a transmission mechanism, the transmission mechanism comprises a first bevel gear fixedly connected on the outer side wall of each rotating shaft 7, the outer side wall of each threaded rod 10 is fixedly connected with a second bevel gear, the first bevel gear is meshed with the second bevel gear and is connected through the transmission mechanism, pretightening forces with different sizes can be applied to the plurality of steel ropes 4, so that the plurality of steel ropes 4 can work normally;
the outer side walls of the plurality of threaded rods 10 are in threaded connection with threaded blocks 11, the threaded blocks 11 are fixedly connected with the steel strand 4, the rotating handle can drive the rotating shaft 7 to rotate, the rotating shaft 7 can drive the threaded rods 10 to rotate, the threaded rods 10 can drive the threaded blocks 11 to move left and right when rotating, and the pre-tightening force required by the steel strand 4 can be met by the fact that the threaded blocks 11 move left and right.
The specific working principle of the utility model is as follows:
firstly, when the prestressed anchorage device is actually used, an anchor pad frame 8 needs to be buried in concrete, a plurality of steel cables 4 are attached and placed in a bundling pipe 1, the steel cables 4 are dispersed by arranging a branching ring 2, the steel cables 4 are obliquely arranged in a connecting pipe 3, then the steel cables 4 vertically penetrate through a working anchor plate 5 and a tensioning box 6, the connecting pipe 3 and the working anchor plate 5 can be separated by arranging a fixing screw 12, so that the disassembly is convenient, the operation in the connecting pipe 3 is convenient, and the anchor pad frame 8 can be more stable when being fixed in the concrete and is not easy to loosen by movably sleeving a spiral rib 9 on the outer side wall of the anchor pad frame 8;
when using steel cable 4 for a long time, the resilience can take place for steel cable 4, but the resilience degree that a plurality of steel cable 4 take place is different, rotation through rotating the handle, can drive the rotation of axis of rotation 7, axis of rotation 7 uses the rotation that can drive threaded rod 10 through the cooperation of first bevel gear and second bevel gear when rotating, threaded rod 10 rotates and to drive about threaded block 11 simultaneously, remove and to control through threaded block 11 and can satisfy the required pretightning force of steel cable 4, through rotating a plurality of rotation handles, can adjust the required pretightning force of a plurality of steel cable 4, the practicality of device has been improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The prestressed anchorage device for bridge construction comprises a bundling pipe (1) and a plurality of steel cables (4), and is characterized in that the outer side wall of the bundling pipe (1) is fixedly connected with a branching ring (2), the side wall of the branching ring (2) is fixedly connected with a connecting pipe (3), the connecting pipe (3) is connected with a working anchor plate (5) through a fixing mechanism, the side wall of the working anchor plate (5) is fixedly connected with a tensioning box (6), the outer side wall of the tensioning box (6) is fixedly connected with an anchor pad frame (8), the inner side wall of the tensioning box (6) is rotatably connected with a plurality of threaded rods (10), the threaded rods (10) penetrate through the tensioning box (6) and extend into the anchor pad frame (8), the side wall of the tensioning box (6) is rotatably connected with a plurality of rotating shafts (7), and the rotating shafts (7) are connected with the threaded rods (10) through a transmission mechanism, the outer side wall of the threaded rod (10) is in threaded connection with a threaded block (11), and the threaded block (11) is fixedly connected with the steel strand (4).
2. The prestressed anchorage device for bridge construction as claimed in claim 1, wherein said fixing means comprises a fixing hole formed in the side wall of the connecting pipe (3), and a fixing groove corresponding to the fixing hole is formed in the side wall of the working anchor plate (5), and the fixing hole and the fixing groove are connected by a fixing screw (12).
3. The prestressed anchorage device for bridge construction as claimed in claim 1, wherein the transmission mechanism comprises a first bevel gear fixedly connected to the outer side wall of the rotating shaft (7), and a second bevel gear fixedly connected to the outer side wall of the threaded rod (10), wherein the first bevel gear and the second bevel gear are in meshed connection.
4. The prestressed anchorage device for bridge construction according to claim 1, wherein the outer side wall of the anchor pad frame (8) is movably sleeved with a spiral rib (9).
5. The prestressed anchorage device for bridge construction according to claim 1, wherein a rotation handle is fixedly connected to an end of the rotation shaft (7) remote from the tension box (6).
6. The prestressed anchorage device for bridge construction according to claim 1,
the steel cables (4) are attached to the inside of the bundling pipe (1), and the steel cables (4) penetrate through the working anchor plate (5) and the tensioning box (6) and extend into the anchor pad frame (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120047487.4U CN215405597U (en) | 2021-01-08 | 2021-01-08 | Prestressed anchorage utensil is used in bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120047487.4U CN215405597U (en) | 2021-01-08 | 2021-01-08 | Prestressed anchorage utensil is used in bridge construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215405597U true CN215405597U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120047487.4U Active CN215405597U (en) | 2021-01-08 | 2021-01-08 | Prestressed anchorage utensil is used in bridge construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215405597U (en) |
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2021
- 2021-01-08 CN CN202120047487.4U patent/CN215405597U/en active Active
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