CN220433384U - High-strength prefabricated box girder structure - Google Patents
High-strength prefabricated box girder structure Download PDFInfo
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- CN220433384U CN220433384U CN202321892605.7U CN202321892605U CN220433384U CN 220433384 U CN220433384 U CN 220433384U CN 202321892605 U CN202321892605 U CN 202321892605U CN 220433384 U CN220433384 U CN 220433384U
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- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a high-strength prefabricated box girder structure, which relates to the technical field of box girders and comprises a main body device, wherein the main body device comprises a loading unit and a clamping unit. The loading unit comprises a box girder main body, a supporting fixing column, a fixing frame, an anti-skid sleeve, a supporting block, a fixing rod and a notch, and the clamping unit comprises a control crank, a clamping plate, a fixing clamping block, a threaded rod, a moving plate, a threaded sleeve and a shrinkage rod. The support fixing column is located inside the box girder main body, and the support block is located the outer wall of the box girder main body. According to the utility model, the support block, the fixed frame, the control crank, the clamping plate, the fixed clamping block, the support fixed column and the contraction rod are used in a matched manner, so that the internal structure of the prefabricated box girder is more stable, the fixing capability of the prefabricated box girder is improved, and the threaded rod, the movable plate, the threaded sleeve and the fixed rod are used in a matched manner, so that the internal structure of the prefabricated box girder can be adjusted, and the functionality of the prefabricated box girder is improved.
Description
Technical Field
The utility model relates to the technical field of box girders, in particular to a high-strength prefabricated box girder structure.
Background
The box girder is one of bridge construction projects, and the inside of the box girder is hollow and is divided into a single box and a plurality of boxes. The box girder generally comprises a top plate, a bottom plate and webs at two sides, and the box girder of the reinforced concrete structure is divided into a prefabricated box girder and a cast-in-situ box girder. The box girder combined bridge girder erection machine prefabricated on the independent site can be erected after the lower engineering is completed, so that the engineering progress can be accelerated, and the construction period can be saved. The box girder is generally made of concrete, a bridge for vehicles and the like to pass through is arranged above the box girder, the box girder is one of middle girders of bridge engineering, the inside of the box girder is hollow, flanges are arranged on two sides of the upper part of the box girder, and the box girder is similar to a box, so that the box girder is named. The kinds of the box are divided into a single box, a plurality of boxes and the like. The reinforced concrete box girder is used as one of important structures in bridge engineering and is divided into a prefabricated box girder and a cast-in-situ box girder according to a concrete pouring mode. Wherein, the cast-in-situ box girder is directly poured on a construction site. The prefabricated box girder is prefabricated in advance in a single place, and then is hoisted after the lower structure of the bridge is completed. Because the prefabricated box girder can effectively avoid construction cross interference, the engineering progress is greatly improved, and the construction period is saved, the prefabricated box girder is widely applied.
In the prior art, a Chinese patent with a publication number of CN214530155U is proposed to solve the technical problems, and the technical scheme disclosed in the patent document is as follows: the utility model provides a prefabricated case roof beam, includes roof, bottom plate and is located first web and the second web between roof and the bottom plate, enclose into a cavity between roof, bottom plate and first web and the second web, its characterized in that: a plurality of prestressing devices are arranged at the top between the first web plate and the second web plate, and the prestressing devices are arranged at intervals along the length direction of the top plate. The utility model has the effect that improves the intensity on bridge surface, reduces the risk that the case roof beam breaks and takes place.
Although this prefabricated case roof beam improves the intensity on bridge surface, has reduced the case roof beam and has taken place cracked risk, but the inner structure of this prefabricated case roof beam is fixed inadequately, and the possible emergence drops and leads to the case roof beam fracture, and secondly this prefabricated case roof beam inner structure is inconvenient to adjust and dismantle, can influence the use of prefabricated case roof beam.
Disclosure of Invention
The utility model aims to provide a high-strength prefabricated box girder structure so as to solve the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a high strength precast box girder structure includes a main body device including a loading unit and a clamping unit.
The loading unit comprises a box girder main body, a supporting fixing column, a fixing frame, an anti-skid sleeve, a supporting block, a fixing rod and a notch, and the clamping unit comprises a control crank, a clamping plate, a fixing clamping block, a threaded rod, a moving plate, a threaded sleeve and a shrinkage rod.
The support fixing column is located inside the box girder main body, the notch is formed in the center of the box girder main body, the support block is located inside the box girder main body, and the support block is located on the outer wall of the box girder main body.
By adopting the technical scheme, the internal structure of the prefabricated box girder is not easy to incline through the box girder main body, the supporting fixed columns, the supporting blocks and the notch in the scheme, and the fixing capacity of the prefabricated box girder is improved.
The technical scheme of the utility model is further improved as follows: the outer wall of one side of fixed frame with the opposite side inner wall fixed connection of roof beam main part, the outer wall of splint with the inner wall fixed connection of fixed frame, one side of fixed clamp splice with the opposite side fixed connection of splint, the outer wall of control crank with one side inner wall swing joint of fixed frame, the inner wall of antiskid cover with the outer wall fixed connection of control crank, the one end of control crank with the one end fixed connection of shrink pole, the outer wall of shrink pole with the inner wall swing joint of splint, the other end of shrink pole with one side swing joint of fixed frame, the inner wall of fixed clamp splice with the outer wall swing joint of support fixed column.
By adopting the technical scheme, the fixing frame, the control crank, the clamping plate, the fixing clamping block, the supporting fixing column and the shrinkage rod are matched for use in the scheme, so that the internal structure of the prefabricated box girder is fixed more firmly, and the fixing effect of the box girder is improved
The technical scheme of the utility model is further improved as follows: one end of the threaded rod is fixedly connected with the other end of the supporting fixed column, the outer wall of the threaded rod is movably connected with the center of the moving plate, the outer wall of the threaded rod is movably connected with the inner wall of the threaded sleeve, one end of the fixed rod is fixedly connected with one side of the moving plate, the other end of the fixed rod is movably connected with one side of the box girder main body, and one side of the threaded sleeve is movably connected with one side of the moving plate.
By adopting the technical scheme, the prefabricated box girder can be adjusted in internal structure by matching the threaded rod, the movable plate, the threaded sleeve and the fixed rod, and the functionality of the prefabricated box girder is improved.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a high-strength prefabricated box girder structure, which is used by matching a supporting block, a fixing frame, a control crank, a clamping plate, a fixing clamping block, a supporting fixing column and a shrinkage rod, so that the problem that the box girder is broken due to the fact that the internal structure of the prefabricated box girder is not stable enough to be fixed and possibly falls off is solved, the internal structure of the prefabricated box girder can be fixed more stably, and the fixing capacity of the prefabricated box girder is improved.
2. The utility model provides a high-strength precast box girder structure, which utilizes threaded rods, moving plates, threaded sleeves and fixed rods to be matched for use, solves the problem that the use of the precast box girder is possibly affected due to inconvenient adjustment and disassembly of the internal structure of the precast box girder, can enable the internal structure of the precast box girder to be adjusted, and improves the functionality of the precast box girder.
Drawings
FIG. 1 is a schematic view of a main device structure of the present utility model;
FIG. 2 is a schematic view of a structure of a fixed support column according to the present utility model;
FIG. 3 is a schematic view of a structure of a fixing clamp block according to the present utility model;
FIG. 4 is a schematic view of a fixed block structure according to the present utility model;
fig. 5 is a schematic diagram of a moving plate structure according to the present utility model.
In the figure: 1. a main body device; 2. a box girder main body; 3. supporting the fixed column; 4. a fixed frame; 5. controlling a crank; 6. an anti-skid sleeve; 7. a clamping plate; 8. fixing the clamping blocks; 9. a support block; 10. a threaded rod; 11. a moving plate; 12. a screw sleeve; 13. a fixed rod; 14. and (5) contracting the rod.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1 to 5, the present utility model provides a high-strength precast box girder structure including a main body apparatus 1, the main body apparatus 1 including a loading unit and a clamping unit.
The loading unit comprises a box girder main body 2, a supporting fixed column 3, a fixed frame 4, an anti-slip sleeve 6, a supporting block 9, a fixed rod 13 and a notch, and the clamping unit comprises a control crank 5, a clamping plate 7, a fixed clamping block 8, a threaded rod 10, a movable plate 11, a threaded sleeve 12 and a contraction rod 14.
The support fixed column 3 is located the inside of case roof beam main part 2, and the notch is seted up in the center department of case roof beam main part 2, and supporting shoe 9 is located the inside of case roof beam main part 2, and supporting shoe 9 is located the outer wall of case roof beam main part 2.
In this embodiment, the box girder main body 2, the supporting fixing columns 3 and the supporting blocks 9 are used in a matched manner, and the supporting blocks 9 can prevent the supporting fixing columns 3 from inclining in the box girder main body 2, so that a certain fixing effect is achieved, and the fixing capability of the prefabricated box girder is improved.
Example 2
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the outer wall of one side of the fixed frame 4 is fixedly connected with the inner wall of the other side of the box girder main body 2, the outer wall of the clamping plate 7 is fixedly connected with the inner wall of the fixed frame 4, one side of the fixed clamping block 8 is fixedly connected with the other side of the clamping plate 7, the outer wall of the control crank 5 is movably connected with the inner wall of one side of the fixed frame 4, the inner wall of the anti-slip sleeve 6 is fixedly connected with the outer wall of the control crank 5, one end of the control crank 5 is fixedly connected with one end of the shrinkage rod 14, the outer wall of the shrinkage rod 14 is movably connected with the inner wall of the clamping plate 7, the other end of the shrinkage rod 14 is movably connected with one side of the fixed frame 4, and the inner wall of the fixed clamping block 8 is movably connected with the outer wall of the support fixed column 3.
In this embodiment, utilize fixed frame 4, control crank 5, splint 7, fixed clamp splice 8, support fixed column 3 and shrink pole 14 cooperation to use, drive shrink pole 14 through control crank 5 can make splint 7 drive fixed clamp splice 8 to press from both sides tightly fixedly three, improved the fixed effect of this prefabricated case roof beam.
Example 3
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, one end of the threaded rod 10 is fixedly connected with the other end of the supporting fixed column 3, the outer wall of the threaded rod 10 is movably connected with the center of the moving plate 11, the outer wall of the threaded rod 10 is movably connected with the inner wall of the threaded sleeve 12, one end of the fixed rod 13 is fixedly connected with one side of the moving plate 11, the other end of the fixed rod 13 is movably connected with one side of the box girder main body 2, and one side of the threaded sleeve 12 is movably connected with one side of the moving plate 11.
In the embodiment, the threaded rod 10, the movable plate 11, the threaded sleeve 12 and the fixed rod 13 are used in a matched mode, the position of the movable plate 11 on the threaded rod 10 can be adjusted through the threaded sleeve 12, and the functionality of the prefabricated box girder is improved.
The working principle of the high-strength precast box girder structure is specifically described below.
As shown in fig. 1 to 5, when the support fixing column 3 in the box girder main body 2 needs to be fixed, the user rotates the control crank 5 to drive the contraction rod 14 to tighten the clamping plate 7, after the clamping plate 7 is tightened, the fixing clamping block 8 is driven to clamp the support fixing column 3, the support block 9 fixes the center of the support fixing column 3, the moving plate 11 and the fixing rod 13 on the threaded rod 10 are used for fixing, and the screw sleeve 12 can adjust the fixing position.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. The utility model provides a prefabricated case roof beam structure of high strength, includes main part device (1), its characterized in that: the body device (1) comprises a loading unit and a clamping unit;
the loading unit comprises a box girder main body (2), a supporting fixing column (3), a fixing frame (4), an anti-slip sleeve (6), a supporting block (9), a fixing rod (13) and a notch, and the clamping unit comprises a control crank (5), a clamping plate (7), a fixing clamping block (8), a threaded rod (10), a moving plate (11), a threaded sleeve (12) and a contraction rod (14);
the support fixing column (3) is located inside the box girder main body (2), the notch is formed in the center of the box girder main body (2), the support block (9) is located inside the box girder main body (2), and the support block (9) is located on the outer wall of the box girder main body (2).
2. A high strength precast box girder structure as claimed in claim 1, wherein: the outer wall of one side of the fixed frame (4) is fixedly connected with the inner wall of the other side of the box girder main body (2), the outer wall of the clamping plate (7) is fixedly connected with the inner wall of the fixed frame (4), and one side of the fixed clamping block (8) is fixedly connected with the other side of the clamping plate (7).
3. A high strength precast box girder structure as claimed in claim 1, wherein: the outer wall of the control crank (5) is movably connected with the inner wall of one side of the fixed frame (4), the inner wall of the anti-slip sleeve (6) is fixedly connected with the outer wall of the control crank (5), and one end of the control crank (5) is fixedly connected with one end of the contraction rod (14).
4. A high strength precast box girder structure as claimed in claim 1, wherein: the outer wall of the shrinkage rod (14) is movably connected with the inner wall of the clamping plate (7), the other end of the shrinkage rod (14) is movably connected with one side of the fixed frame (4), and the inner wall of the fixed clamping block (8) is movably connected with the outer wall of the supporting and fixing column (3).
5. A high strength precast box girder structure as claimed in claim 1, wherein: one end of the threaded rod (10) is fixedly connected with the other end of the supporting fixed column (3), and the outer wall of the threaded rod (10) is movably connected with the center of the movable plate (11).
6. A high strength precast box girder structure as claimed in claim 1, wherein: the outer wall of the threaded rod (10) is movably connected with the inner wall of the threaded sleeve (12), and one end of the fixed rod (13) is fixedly connected with one side of the movable plate (11).
7. A high strength precast box girder structure as claimed in claim 1, wherein: the other end of the fixed rod (13) is movably connected with one side of the box girder main body (2), and one side of the screw sleeve (12) is movably connected with one side of the movable plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321892605.7U CN220433384U (en) | 2023-07-19 | 2023-07-19 | High-strength prefabricated box girder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321892605.7U CN220433384U (en) | 2023-07-19 | 2023-07-19 | High-strength prefabricated box girder structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220433384U true CN220433384U (en) | 2024-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321892605.7U Active CN220433384U (en) | 2023-07-19 | 2023-07-19 | High-strength prefabricated box girder structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220433384U (en) |
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2023
- 2023-07-19 CN CN202321892605.7U patent/CN220433384U/en active Active
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