CN221029558U - Combined steel box girder - Google Patents
Combined steel box girder Download PDFInfo
- Publication number
- CN221029558U CN221029558U CN202322929875.7U CN202322929875U CN221029558U CN 221029558 U CN221029558 U CN 221029558U CN 202322929875 U CN202322929875 U CN 202322929875U CN 221029558 U CN221029558 U CN 221029558U
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- CN
- China
- Prior art keywords
- plate body
- plate
- connecting plate
- box girder
- steel box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 32
- 239000010959 steel Substances 0.000 title claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000005728 strengthening Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to the technical field of construction, in particular to a combined steel box girder, wherein a trapezoidal bulge is arranged on a plate body, during installation, a groove on a connecting plate body and the trapezoidal bulge can be matched for preliminary installation, then an installation strip on a side plate is installed on the plate body through bolts to fix the side plate body, in order to further improve the stability of the side plate body, a clamping plate is installed on the connecting plate body, the clamping plate and the side plate can be spliced, then a positioning groove on the top plate is matched with a positioning plate on the connecting plate body, the fixing plate and the connecting plate body are fixed, so that the steel box girder can be conveniently assembled on site, and an installation hole is also formed on the connecting plate body for allowing workers to pass through, thereby shortening the construction period and reducing the production cost.
Description
Technical Field
The utility model relates to the technical field of construction, in particular to a combined steel box girder.
Background
The combined steel box girder is a novel bridge structure form and is a combined structure formed by a concrete top plate, a concrete bottom plate, external prestressed tendons and corrugated steel webs. The design is an improvement on the traditional concrete bridge, combines the advantages of steel and concrete, and the concrete top and bottom plates are in charge of bending resistance, while the corrugated steel webs are in charge of shearing resistance.
The existing steel box girder is generally welded, so that the assembly is not convenient enough, and the working efficiency is reduced.
Disclosure of Invention
The utility model aims to provide a combined steel box girder, which aims to improve the strength of the steel box girder, improve the installation efficiency and shorten the construction period.
In order to achieve the above purpose, the utility model provides a combined steel box girder, which comprises a bottom plate, two side plates, a top plate and a plurality of groups of connecting plates, wherein the bottom plate comprises a plate body and trapezoidal bulges, the trapezoidal bulges are fixedly connected with the plate body and are positioned at the top of the plate body, the side plates comprise side plate bodies and mounting strips, the mounting strips are fixed on the plate body through bolts, the side plate bodies are fixed on the mounting strips, the connecting plates comprise connecting plate bodies, positioning plates and clamping plates, the connecting plate bodies are provided with grooves matched with the trapezoidal bulges, the connecting plate bodies are further provided with mounting holes, the positioning plates are fixedly connected with the connecting plate bodies and are positioned at the top of the connecting plate bodies, the clamping plates are fixed on the side edges of the connecting plate bodies and are clamped on the side plates, the top plate is provided with positioning grooves and fixing plates, the positioning grooves are matched with the positioning plates, and the fixing plates are arranged on one side close to the connecting plate bodies.
The side plate further comprises reinforcing ribs, wherein the reinforcing ribs are fixedly connected with the side plate body and the top plate and located between the side plate body and the top plate.
The reinforcing ribs comprise fixing plates and triangular support plates, the triangular support plates are provided with placing grooves, the clamping plates are arranged in the placing grooves, and the fixing plates are fixedly connected with the side plate bodies and the triangular support plates.
The bottom plate is provided with a supporting bar, the side plate body is provided with a positioning bar, and the supporting bar is in contact with the positioning bar.
The connecting plate further comprises a side connecting strip, wherein the side connecting strip is fixedly connected with the connecting plate body and fixedly connected with the side plate body.
According to the combined steel box girder, the trapezoidal protrusions are arranged on the plate body, when the combined steel box girder is installed, firstly, the grooves on the connecting plate body and the trapezoidal protrusions are matched for preliminary installation, then the installation strips on the side plates are installed on the plate body through bolts to fix the side plate body, in order to further improve the stability of the side plate body, the clamping plates are installed on the connecting plate body, the clamping plates and the side plates can be spliced, then after the locating grooves on the top plate are matched with the locating plates on the connecting plate body, the fixing plates and the connecting plate body are fixed, so that the steel box girder can be assembled on site conveniently, and the installation holes are further formed in the connecting plate body for allowing workers to pass through for installation convenience, thereby shortening the construction period and reducing the production cost.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a structural view of a composite steel box girder according to a first embodiment of the present utility model.
Fig. 2 is a front structural view of a composite steel box girder according to a first embodiment of the present utility model.
Fig. 3 is a structural view of a composite steel box girder according to a second embodiment of the present utility model.
Fig. 4 is a front structural view of a composite steel box girder according to a second embodiment of the present utility model.
Bottom plate 101, side plate 102, top plate 103, connecting plate 104, plate body 105, trapezoidal protrusion 106, connecting plate body 107, positioning plate 108, clamping plate 109, groove 110, mounting hole 111, positioning groove 112, fixing plate 113, reinforcing rib 201, fixing plate 202, triangular support plate 203, support bar 204, positioning bar 205, and side connecting bar 206.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
First embodiment
Referring to fig. 1 to 2, fig. 1 is a structural diagram of a composite steel box girder according to a first embodiment of the present utility model. Fig. 2 is a front structural view of a composite steel box girder according to a first embodiment of the present utility model.
The utility model provides a combined steel box girder, which comprises a bottom plate 101, two side plates 102, a top plate 103 and a plurality of groups of connecting plates 104, wherein the bottom plate 101 comprises a plate body 105 and trapezoidal bulges 106, the trapezoidal bulges 106 are fixedly connected with the plate body 105 and are positioned at the top of the plate body 105, the side plates 102 comprise side plate 102 bodies and mounting strips, the mounting strips are fixed on the plate body 105 through bolts, the side plate 102 bodies are fixed on the mounting strips, the connecting plates 104 comprise a connecting plate body 107, a positioning plate 108 and clamping plates 109, the connecting plate body 107 is provided with grooves 110 matched with the trapezoidal bulges 106, the connecting plate body 107 is further provided with mounting holes 111, the positioning plate 108 is fixedly connected with the connecting plate body 107 and is positioned at the top of the connecting plate body 107, the clamping plates 109 are fixed at the side edges of the connecting plate body 107 and are clamped on the side plates 102, the top plate 103 is provided with positioning grooves 112 and fixing plates 113, the positioning grooves 112 are matched with the positioning plates 108, and the fixing plates 113 are arranged at one side close to the connecting plate 107.
In this embodiment, the trapezoidal protrusions 106 are disposed on the plate body 105, and when in installation, the groove 110 on the connecting plate body 107 and the trapezoidal protrusions 106 may be first matched to perform preliminary installation, then the installation strip on the side plate 102 is installed on the plate body 105 through bolts to fix the side plate 102 body, in order to further improve the stability of the side plate 102 body, the clamping plate 109 is installed on the connecting plate body 107, the clamping plate 109 and the side plate 102 may be spliced, and then the fixing plate 113 and the connecting plate body 107 are fixed after the positioning groove 112 on the top plate 103 and the positioning plate 108 on the connecting plate body 107 are matched, so that the steel box girder may be assembled on site conveniently, and in order to install convenience, the installation hole 111 is also disposed on the connecting plate body 107 to allow the worker to pass through, thereby shortening the construction period and reducing the production cost.
Second embodiment
Referring to fig. 3 to 4, fig. 3 is a structural diagram of a composite steel box girder according to a second embodiment of the present utility model. Fig. 4 is a front structural view of a composite steel box girder according to a second embodiment of the present utility model. On the basis of the first embodiment, the utility model further provides a combined steel box girder, the side plate 102 further comprises a reinforcing rib 201, and the reinforcing rib 201 is fixedly connected with the side plate 102 body and the top plate 103 and is positioned between the side plate 102 body and the top plate 103. The strength of the connection between the side plate 102 body and the top plate 103 can be increased by the reinforcing ribs 201, so that the use is more stable.
The reinforcing rib 201 comprises a fixed plate 113 and a triangular support plate 203, the triangular support plate 203 is provided with a placing groove, the clamping plate 109 is arranged in the placing groove, and the fixed plate 113 is fixedly connected with the side plate 102 body and the triangular support plate 203. The triangular support plates 203 can limit the positions of the clamping plates 109 and limit the deformation of the clamping plates in the working process, so that the connection strength is improved, and meanwhile, the triangular support plates 203 can provide auxiliary support for the top plate 103, so that the overall support strength is improved.
The bottom plate 101 has a support bar 204, the body of the side plate 102 has a positioning bar 205, and the support bar 204 is in contact with the positioning bar 205. The support bars 204 may provide bottom support to the spacer bars 205 to further increase the strength of the connection.
The connecting plate 104 further includes a side connecting bar 206, and the side connecting bar 206 is fixedly connected to the connecting plate body 107 and the side plate 102 body. The side connecting strip 206 may further increase the connection strength between the connecting plate body 107 and the side plate 102 body, so that the use is more convenient.
The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.
Claims (5)
1. A combined steel box girder is characterized in that,
Including bottom plate, two curb plates, roof and multiunit connecting plate, the bottom plate includes plate body and trapezoidal arch, trapezoidal arch with plate body fixed connection, and be located the top of plate body, the curb plate includes curb plate body and installation strip, the installation strip passes through the bolt fastening on the plate body, the curb plate body is fixed on the installation strip, the connecting plate includes connecting plate body, locating plate and cardboard, the connecting plate body have with the recess that trapezoidal arch matches, still be provided with the mounting hole on the connecting plate body, the locating plate with connecting plate body fixed connection, and be located connecting plate body top, the cardboard is fixed the side of connecting plate body, and the joint is in on the curb plate, the roof has constant head tank and fixed plate, the constant head tank with the locating plate matches, the fixed plate sets up and is being close to one side of connecting plate body.
2. A composite steel box girder according to claim 1, wherein,
The side plate further comprises reinforcing ribs, wherein the reinforcing ribs are fixedly connected with the side plate body and the top plate and are located between the side plate body and the top plate.
3. A composite steel box girder according to claim 2, wherein,
The strengthening rib includes fixed plate and triangle backup pad, the triangle backup pad has the standing groove, the cardboard sets up in the standing groove, the fixed plate with curb plate body with triangle backup pad fixed connection.
4. A composite steel box girder according to claim 3, wherein,
The bottom plate is provided with a supporting bar, the side plate body is provided with a positioning bar, and the supporting bar is in contact with the positioning bar.
5. A composite steel box girder according to claim 4, wherein,
The connecting plate further comprises a side connecting strip, and the side connecting strip is fixedly connected with the connecting plate body and the side plate body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322929875.7U CN221029558U (en) | 2023-10-31 | 2023-10-31 | Combined steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322929875.7U CN221029558U (en) | 2023-10-31 | 2023-10-31 | Combined steel box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221029558U true CN221029558U (en) | 2024-05-28 |
Family
ID=91187420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322929875.7U Active CN221029558U (en) | 2023-10-31 | 2023-10-31 | Combined steel box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221029558U (en) |
-
2023
- 2023-10-31 CN CN202322929875.7U patent/CN221029558U/en active Active
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