CN215366770U - Anti-fatigue steel box girder - Google Patents
Anti-fatigue steel box girder Download PDFInfo
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- CN215366770U CN215366770U CN202120238176.6U CN202120238176U CN215366770U CN 215366770 U CN215366770 U CN 215366770U CN 202120238176 U CN202120238176 U CN 202120238176U CN 215366770 U CN215366770 U CN 215366770U
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- fixedly connected
- plate
- roof
- steel box
- box girder
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Abstract
The utility model discloses an anti-fatigue steel box girder which comprises a supporting top plate, wherein the left end face of the supporting top plate is fixedly connected with an auxiliary top plate, the left end face of the auxiliary top plate is fixedly connected with an outer side top plate, the top of the outer side top plate is fixedly connected with a reinforcing device, the bottom of the reinforcing device is fixedly connected with a side plate, the right end face of the side plate is fixedly connected to the bottom of the supporting top plate, the top of the side plate is fixedly connected with a bottom plate, and a reinforced mounting port is arranged at the joint of the supporting top plate and the auxiliary top plate. The reinforcing device is connected with the auxiliary top plate through the reinforcing mounting port by the supporting top plate, the first reinforcing rod and the protective edge reinforce and protect the port, the first reinforcing rod improves the supporting force at the interface and strengthens the bearing capacity at the port, the reinforcing rib is mounted on the rear end face of the auxiliary supporting plate, the supporting tension is reduced, the bearing capacity of the whole top plate is improved, the reinforcing device integrally bears the weight of the whole steel box girder in a triangular shape, and the bearing capacity of the steel box girder is improved.
Description
Technical Field
The utility model relates to the technical field of steel box girders, in particular to an anti-fatigue steel box girder.
Background
The steel box girder is also called steel plate box girder, and is a common structural form of a large-span bridge. The steel box girder is generally used on a bridge with a large span and is called a steel box girder because the steel box girder is like a box, and the steel box girder is generally formed by connecting a top plate, a bottom plate, a web plate, a transverse clapboard, a longitudinal clapboard, a stiffening rib and the like in a full-welding mode. In the large-span cable supported bridge, the span of the steel box girder reaches hundreds of meters and up to kilometer, and the steel box girder is generally divided into a plurality of beam sections for manufacturing and installation, and the joint part is easy to cause premature fatigue failure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anti-fatigue steel box girder, which aims to solve the problems that in a large-span cable support bridge in the background technology, the span of a steel box girder reaches hundreds of meters to thousands of meters, the steel box girder is generally divided into a plurality of girder sections for manufacturing and installation, and the joint is easy to cause premature fatigue failure.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an antifatigue steel box girder, includes the roof support, roof support left side terminal surface fixedly connected with assists the roof, supplementary roof left side terminal surface fixedly connected with outside roof, outside roof top fixedly connected with reinforcing apparatus, reinforcing apparatus bottom fixedly connected with curb plate, curb plate right-hand member face fixed connection is in the roof support bottom, curb plate top fixedly connected with bottom plate, roof support is provided with supplementary roof junction and strengthens the installation port.
Preferably, strengthen before the installation port terminal surface middle part fixedly connected with installation piece, strengthen the installation port terminal surface edge fixedly connected with first stiffener around, the outside fixedly connected with guard edge of first stiffener.
Preferably, strengthen installation port bottom fixedly connected with strengthening rib, strengthening rib top fixed connection is at the bottom plate top, strengthening rib front end fixed surface is connected with auxiliary support plate, auxiliary support plate top terminal surface is once fixed connection respectively on supporting roof and auxiliary roof bottom terminal surface.
Preferably, the front end face of the side plate is provided with a positioning rod, the left end and the right end of the positioning rod are respectively and fixedly connected with an oblique supporting rod, the other end of the oblique supporting rod is fixedly connected to the top of the bottom plate, and the oblique supporting rods and the positioning rod are respectively provided with a plurality of groups.
Preferably, the reinforcing device is provided with a vertical rod, the bottom of the vertical rod is transversely and fixedly connected with a second transverse supporting plate, the other end of the second transverse supporting plate is fixedly connected with an outer side web plate, the other end of the outer side web plate is fixedly connected to the top of the vertical rod, the left and right ends of the top of the second transverse supporting plate are fixedly connected with a vertical supporting plate, the top of the vertical supporting plate is fixedly connected with a first transverse supporting plate, one end of the left side of the first transverse supporting plate is fixedly connected to the outer side web plate, one end of the right side of the first transverse supporting plate is fixedly connected to the vertical rod, the top of the left side of the first transverse supporting plate is provided with a mounting hole, the mounting hole is connected with a fixing plate through a screw, the top of the fixing plate is fixedly connected with a first ejector rod, the other end of the first ejector rod is fixedly connected to the top of the vertical rod, the connecting part of the right end of the first transverse supporting plate and the vertical rod is fixedly connected with a bottom edge protection plate, the edge protection plate is characterized in that a second ejector rod is fixedly connected to the rear end face of the bottom edge protection plate, the other end of the second ejector rod is fixedly connected to the top of the outer side web plate, a top edge protection plate is fixedly connected to the top of the outer side web plate, the rear end face of the top edge protection plate is fixedly connected to the front end face of the second ejector rod, and a second reinforcing rod is fixedly connected to the front end face of the second ejector rod.
Preferably, the reinforcing means is triangular in shape.
The utility model provides an anti-fatigue steel box girder, which has the following beneficial effects:
(1) the supporting top plate is connected with the auxiliary top plate through the reinforcing mounting port, the first reinforcing rod and the protective edge reinforce and protect the port, the first reinforcing rod improves the supporting force at the interface and strengthens the bearing capacity at the port, and the reinforcing rib is mounted on the rear end face of the auxiliary supporting plate, so that the supporting tension is reduced, and the bearing capacity of the integral top plate is improved.
(2) The reinforcing device integrally bears the weight of the whole steel box girder in a triangular shape, so that the whole steel box girder is firmer and more stable, the inclined support rods and the positioning rods are respectively provided with a plurality of groups, and the positioning rods and the inclined support rods support the whole steel box girder, so that the bearing capacity of the steel box girder is improved, and the service life of the steel box girder is prolonged.
Drawings
FIG. 1 is an elevational view of the overall construction of the present invention;
FIG. 2 is a front view of the reinforcement structure of the present invention;
FIG. 3 is a front view of the side panel mounting structure of the present invention;
fig. 4 is an enlarged view of the structure a in fig. 1 according to the present invention.
In the figure: 1. supporting a top plate; 2. an auxiliary top plate; 3. an outer roof panel; 4. a base plate; 5. a reinforcement device; 501. a vertical rod; 6. a side plate; 601. positioning a rod; 7. reinforcing ribs; 8. an auxiliary support plate; 9. reinforcing the mounting port; 901. a first reinforcement bar; 902. mounting blocks; 903. protecting the edges; 10. an oblique supporting rod; 11. a first lateral support plate; 12. a fixing plate; 1201. mounting holes; 13. a second lateral support plate; 14. a vertical support plate; 15. a first ejector rod; 16. a bottom edge guard plate; 17. an outboard web; 18. a top edge guard plate; 19. a second ejector rod; 20. a second stiffener.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-4, the present invention provides the technical solutions: the utility model provides an antifatigue steel box girder, includes supporting roof 1, supporting roof 1 left side terminal surface fixedly connected with assists roof 2, 2 left side terminal surface fixedly connected with outside roofs 3 of supplementary roof, 3 top fixedly connected with reinforcing apparatus 5 of outside roof, reinforcing apparatus 5 bottom fixedly connected with curb plate 6, 6 right-hand member face fixed connection of curb plate are in supporting roof 1 bottom, 6 top fixedly connected with bottom plates 4 of curb plate, supporting roof 1 is provided with supplementary roof 2 junction and strengthens installation port 9.
The middle part of the front end face of the reinforced mounting port 9 is fixedly connected with a mounting block 902, the edges of the front end face and the rear end face of the reinforced mounting port 9 are fixedly connected with a first reinforcing rod 901, the outside of the first reinforcing rod 901 is fixedly connected with a protective edge 903, the supporting top plate 1 is connected with the auxiliary top plate 2 through the reinforced mounting port, the first reinforcing rod 901 and the protective edge 903 reinforce and protect the port, the first reinforcing rod 901 improves the supporting force at the port, and the bearing capacity at the port is reinforced.
Strengthen 9 bottom fixedly connected with strengthening ribs 7 of installation port, 7 top fixed connection of strengthening ribs are at 4 tops of bottom plate, 7 front end fixed surface of strengthening ribs are connected with auxiliary supporting plate 8, 8 top end faces of auxiliary supporting plate are fixed connection respectively on supporting roof 1 and 2 bottom end faces of auxiliary roof, and strengthening ribs 7 are installed on 8 rear end faces of auxiliary supporting plate, reduce support tension, improve the bearing capacity of whole roof.
The terminal surface is provided with locating lever 601 before the curb plate 6, both ends difference fixedly connected with diagonal bracing pole 10 about the locating lever 601, the other end fixed connection of diagonal bracing pole 10 is at 4 tops of bottom plate, diagonal bracing pole 10 is provided with the multiunit respectively with locating lever 601, and locating lever 601 and diagonal bracing pole 10 wholly support the steel box roof beam, improve the bearing capacity of steel box roof beam, improve the life of steel box roof beam.
The reinforcing device 5 is provided with a vertical rod 501, a second transverse supporting plate 13 is transversely and fixedly connected to the bottom of the vertical rod 501, an outer web 17 is fixedly connected to the other end of the second transverse supporting plate 13, the other end of the outer web 17 is fixedly connected to the top of the vertical rod 501, vertical supporting plates 14 are fixedly connected to the left and right ends of the top of the second transverse supporting plate 13, a first transverse supporting plate 11 is fixedly connected to the top of the vertical supporting plate 14, one end of the left side of the first transverse supporting plate 11 is fixedly connected to the outer web 17, one end of the right side of the first transverse supporting plate 11 is fixedly connected to the vertical rod 501, a mounting hole 1201 is formed in the top of the left side of the first transverse supporting plate 11, the mounting hole 1201 is connected with a fixing plate 12 through a screw, a first ejector rod 15 is fixedly connected to the top of the fixing plate 12, and the other end of the first ejector rod 15 is fixedly connected to the top of the vertical rod 501, 11 right-hand members of first horizontal backup pad and montant 501 junction fixedly connected with bottom edge backplate 16, 16 rear end face fixedly connected with second ejector pin 19 of bottom edge backplate, 19 other end fixed connection of second ejector pin are at 17 tops of outside web, 17 top fixedly connected with top edge backplate 18 of outside web, 18 rear end face fixed connection of top edge backplate are at 19 preceding terminal surfaces of second ejector pin, 19 preceding terminal surface fixedly connected with second stiffener 20 of second ejector pin, reinforcing apparatus 5 bears the weight of whole steel box girder, makes the whole firm stability more of steel box girder.
The shape of the reinforcing device 5 is triangular, and the triangular supporting force is more stable.
The theory of operation, roof 2 is assisted to 1 left side fixed mounting of roof slab, 2 left sides fixed mounting outside roof slabs 3 of supplementary roof slab, 3 top installation reinforcing apparatus 5 of outside roof slab, 5 top mounting plate 4 of reinforcing apparatus, 4 top ann of bottom plate describe curb plate 6, install in roof slab 1 bottom at 6 tops of curb plate, roof slab 1 is connected with supplementary roof slab 2 through strengthening the installation port, protection is consolidated to port department with guard edge 903 to first stiffener 901, first stiffener 901 improves the holding power of kneck, strengthen the bearing capacity of port department, reinforcing apparatus 5 wholly is the triangle-shaped, bear the weight of whole steel box girder, make the whole more firm stability of steel box girder.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an antifatigue steel box girder, includes supporting roof (1), its characterized in that: support roof (1) left side terminal surface fixedly connected with supplementary roof (2), supplementary roof (2) left side terminal surface fixedly connected with outside roof (3), outside roof (3) top fixedly connected with reinforcing apparatus (5), reinforcing apparatus (5) bottom fixedly connected with curb plate (6), curb plate (6) right-hand member face fixed connection is in support roof (1) bottom, curb plate (6) top fixedly connected with bottom plate (4), support roof (1) and supplementary roof (2) junction are provided with and strengthen installation port (9).
2. The fatigue-resistant steel box girder according to claim 1, wherein: the middle part of the front end face of the reinforced mounting port (9) is fixedly connected with a mounting block (902), the edges of the front end face and the rear end face of the reinforced mounting port (9) are fixedly connected with a first reinforcing rod (901), and the outer part of the first reinforcing rod (901) is fixedly connected with a protective edge (903).
3. The fatigue-resistant steel box girder according to claim 1, wherein: strengthen installation port (9) bottom fixedly connected with strengthening rib (7), strengthening rib (7) top fixed connection is at bottom plate (4) top, strengthening rib (7) front end fixed surface is connected with auxiliary support board (8), fixed connection is once respectively on supporting roof (1) and auxiliary roof (2) bottom terminal surface in auxiliary support board (8) top terminal surface.
4. The fatigue-resistant steel box girder according to claim 1, wherein: the end surface is provided with locating lever (601) before curb plate (6), both ends difference fixedly connected with diagonal bracing pole (10) about locating lever (601), diagonal bracing pole (10) other end fixed connection is at bottom plate (4) top, diagonal bracing pole (10) are provided with the multiunit with locating lever (601) respectively.
5. The fatigue-resistant steel box girder according to claim 1, wherein: the reinforcing device (5) is provided with a vertical rod (501), a second transverse supporting plate (13) is transversely and fixedly connected to the bottom of the vertical rod (501), an outer web (17) is fixedly connected to the other end of the second transverse supporting plate (13), the other end of the outer web (17) is fixedly connected to the top of the vertical rod (501), vertical supporting plates (14) are fixedly connected to the left and right ends of the top of the second transverse supporting plate (13), a first transverse supporting plate (11) is fixedly connected to the top of the vertical supporting plate (14), one end of the left side of the first transverse supporting plate (11) is fixedly connected to the outer web (17), one end of the right side of the first transverse supporting plate (11) is fixedly connected to the vertical rod (501), a mounting hole (1201) is formed in the top of the left side of the first transverse supporting plate (11), and the mounting hole (1201) is connected to a fixing plate (12) through a screw, fixed plate (12) top fixedly connected with first ejector pin (15), first ejector pin (15) other end fixed connection is at montant (501) top, first horizontal backup pad (11) right-hand member and montant (501) junction fixedly connected with bottom edge backplate (16), bottom edge backplate (16) rear end face fixedly connected with second ejector pin (19), second ejector pin (19) other end fixed connection is at outside web (17) top, outside web (17) top fixedly connected with top edge backplate (18), terminal surface before second ejector pin (19) is connected to top edge backplate (18) rear end face fixed connection, terminal surface fixedly connected with second stiffener (20) before second ejector pin (19).
6. The fatigue-resistant steel box girder according to claim 1, wherein: the reinforcing device (5) is triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120238176.6U CN215366770U (en) | 2021-01-28 | 2021-01-28 | Anti-fatigue steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120238176.6U CN215366770U (en) | 2021-01-28 | 2021-01-28 | Anti-fatigue steel box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215366770U true CN215366770U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120238176.6U Active CN215366770U (en) | 2021-01-28 | 2021-01-28 | Anti-fatigue steel box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215366770U (en) |
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2021
- 2021-01-28 CN CN202120238176.6U patent/CN215366770U/en active Active
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Effective date of registration: 20230411 Address after: 330000 no.599 Chunhui Road, Honggutan New District, Nanchang City, Jiangxi Province Patentee after: Nanchang Urban Planning and Design Research Institute Group Co.,Ltd. Address before: 330000 no.599 Chunhui Road, Honggutan New District, Nanchang City, Jiangxi Province Patentee before: NANCHANG URBAN PLANNING & DESIGN INSTITUTE |