CN220813414U - Combined steel box girder - Google Patents
Combined steel box girder Download PDFInfo
- Publication number
- CN220813414U CN220813414U CN202322671249.2U CN202322671249U CN220813414U CN 220813414 U CN220813414 U CN 220813414U CN 202322671249 U CN202322671249 U CN 202322671249U CN 220813414 U CN220813414 U CN 220813414U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- box girder
- steel box
- bottom plate
- shell
- 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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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 51
- 239000010959 steel Substances 0.000 title claims abstract description 51
- 125000006850 spacer group Chemical group 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract description 2
- 239000011150 reinforced concrete Substances 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a combined steel box girder, which belongs to the technical field of bridge engineering, and comprises the following components: the steel case girder shell, the mounting groove has been seted up to the steel case girder shell, one side inner wall of mounting groove is provided with two webs, two the equal fixedly connected with bottom plate of one end of web, two the end fixedly connected with fixed plate that is close to mutually of web, when the steel case girder shell received external effort and pressure, at this moment fixed connection will cushion at the spring of buffer board upper end, then will pressure distribution at the both ends of bottom plate, and then through a plurality of buffer columns of fixed connection at bottom plate one end with effort and pressure evenly distributed in the inside of device, can realize better dispersion pressure through above-mentioned device to improve the life-span of device.
Description
Technical Field
The utility model belongs to the technical field of bridge engineering, and particularly relates to a combined steel box girder.
Background
The steel box girder is also called a steel plate box girder, and is a common structural form of a large-span bridge. The reinforced concrete box girder is generally used for bridges with larger spans, is called a steel box girder because of the appearance of a box, and is divided into a prefabricated box girder and a cast-in-place box girder. The box girder combined bridge girder erection machine prefabricated in the independent place can be erected after the lower engineering is completed, so that the engineering progress can be accelerated, and the construction period can be saved; cast-in-situ box girders are mostly used for large continuous bridges. The materials are commonly divided into two types, namely a prestressed reinforced concrete box girder and a steel box girder. The prestressed reinforced concrete box girder is constructed on site, and besides longitudinal prestress, transverse prestress is arranged on some of the prestressed reinforced concrete box girders; the steel box girder is generally processed in a factory and then transported to a site for installation, and has an all-steel structure and also has a part of reinforced concrete pavement layers.
The utility model discloses an authorization publication number CN218059874U, which relates to the technical field of steel box girders, and particularly discloses a combined steel box girder structure, comprising a bottom plate, webs and a panel, wherein two groups of webs are arranged between the bottom plate and the panel; the bottom of the web plate is connected with a clamping strip, and the top of the bottom plate is connected with a clamping strip; a diaphragm plate is arranged between the two groups of webs, a plurality of transverse bars A are connected to one side, close to each other, of the two groups of webs, a plurality of transverse bars B are connected to the top of the bottom plate, a butt joint groove A matched with the transverse bars A is formed in the side wall of the diaphragm plate, a butt joint groove B matched with the transverse bars B is formed in the bottom of the diaphragm plate, and a fixing piece is connected to one side of the diaphragm plate; the top of the diaphragm plate is connected with the supporting plate, the bottom of the panel is connected with a plurality of U-shaped ribs, and the top of the supporting plate is provided with a U-shaped groove matched with the U-shaped ribs.
The device comprises a bottom plate, webs and a panel, wherein two groups of webs are arranged between the bottom plate and the panel; the bottom of the web plate is connected with a clamping strip, and the top of the bottom plate is connected with a clamping strip; be equipped with the diaphragm between two sets of webs, then conveniently assemble through each part to make things convenient for follow-up welding and connection, improve work efficiency, but above-mentioned device can't share pressure better when bearing external force when long-time use, this can directly lead to the reinforcing bar pressure of steel box girder too big, causes great harm to the bridge, thereby influences the life of device.
Disclosure of utility model
The utility model aims to provide a combined steel box girder, which aims to solve the problem that the device cannot better share pressure when bearing external force in long-time use in the prior art, which directly causes excessive pressure of steel bars of the steel box girder and causes larger damage to a bridge, thereby influencing the service life of the device.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A modular steel box girder comprising:
The steel box girder shell, the mounting groove has been seted up to the steel box girder shell, the one side inner wall of mounting groove is provided with two webs, two the equal fixedly connected with bottom plate of one end of web, two the fixed plate of the end fixedly connected with that is close to of web mutually, two the upper end fixedly connected with buffer plate of web, the upper end fixedly connected with of buffer plate a plurality of springs, a plurality of the one end fixedly connected with stress plate of spring.
As a preferable scheme of the utility model, two ends of the steel box girder shell are fixedly connected with main boards, and one ends of the two main boards are provided with observation holes.
As a preferable scheme of the utility model, the two ends of the steel box girder shell are fixedly connected with supporting blocks.
As a preferable scheme of the utility model, the upper end of the steel box girder shell is provided with a plurality of connecting grooves, a plurality of shackles are fixedly connected to the inner wall of one side of each connecting groove, and the shackles are pear-shaped.
As a preferable scheme of the utility model, a cushion block is fixedly connected to the inner wall of one side of the mounting groove.
As a preferable scheme of the utility model, one end of the bottom plate is fixedly connected with a plurality of buffer columns.
Compared with the prior art, the utility model has the beneficial effects that:
1. in this scheme, when needs this device use, when the steel case roof beam shell received external effort and pressure, at this moment fixed connection will cushion at the spring of buffer board upper end, then will pressure distribution in the both ends of bottom plate, and then through a plurality of buffer posts of fixed connection in bottom plate one end with effort and pressure evenly distributed in the inside of device, can realize better dispersion pressure through above-mentioned device to improve the life-span of device.
2. In this scheme, the steel case roof beam is too heavy and can't carry by the manual work, carries and removes through auxiliary assembly can be connected to a plurality of shackles of fixed connection at a plurality of spread grooves one side inner walls to improve the convenience of removing.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a front perspective view of the present utility model;
FIG. 2 is a first perspective view of the present utility model in a principal cut away;
FIG. 3 is an enlarged view of a portion of the present utility model at A;
Fig. 4 is a side cross-sectional perspective view of the present utility model.
In the figure: 1. a steel box girder shell; 2. a mounting groove; 3. a web; 4. a bottom plate; 5. a fixing plate; 6. a buffer plate; 7. a limiting ring; 8. a spring; 9. a stress plate; 10. a main board; 11. an observation hole; 12. a support block; 13. a connecting groove; 14. a shackle; 15. a cushion block; 16. and a buffer column.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, the present utility model provides the following technical solutions:
A modular steel box girder comprising:
The steel box girder shell 1, the mounting groove 2 has been seted up to the steel box girder shell 1, one side inner wall of mounting groove 2 is provided with two webs 3, the equal fixedly connected with bottom plate 4 of one end of two webs 3, the fixed plate 5 of the end fixedly connected with that is close to mutually of two webs 3, the upper end fixedly connected with buffer plate 6 of two webs 3, the upper end fixedly connected with spacing ring 7 of buffer plate 6, the upper end fixedly connected with spring 8 of buffer plate 6, the one end fixedly connected with stress plate 9 of spring 8.
In the specific embodiment of the utility model, when the device is needed to be used, when the steel box girder shell 1 receives external acting force and pressure, the spring 8 fixedly connected to the upper end of the buffer plate 6 is used for buffering the pressure received by the steel box girder shell 1, then the pressure is conducted to the two ends of the bottom plate 4, and further the acting force and the pressure are uniformly distributed in the device through the buffer columns 16 fixedly connected to one end of the bottom plate 4, so that the integral strength of the device is improved, the rupture caused by the overlarge pressure of the device is prevented, the pressure can be better shared when the device is used for a long time through the device, and the service life of the device is prolonged.
Referring to fig. 2 specifically, two ends of a steel box girder shell 1 are fixedly connected with main boards 10, and one ends of the two main boards 10 are provided with observation holes 11.
In this embodiment: the observation holes 11 formed in one end of the two main boards 10 can save materials, reduce the weight of the device and are easy to check, so that the phenomenon of long-term water accumulation in the steel box girder is avoided, and the structural durability and the safety are improved.
Referring to fig. 2 specifically, a plurality of connecting grooves 13 are formed at the upper end of the steel box girder shell 1, a plurality of shackles 14 are fixedly connected to the inner wall of one side of each connecting groove 13, and each shackles 14 is pear-shaped.
In this embodiment: the combined steel box girder is too heavy and cannot be manually carried, and the auxiliary equipment is connected through a plurality of shackles 14 fixedly connected to the inner walls of one side of the plurality of connecting grooves 13, so that the moving convenience of the device is improved.
Referring to fig. 3 specifically, the two ends of the steel box girder shell 1 are fixedly connected with supporting blocks 12, the inner wall of one side of the installation groove 2 is fixedly connected with a cushion block 15, and one end of the bottom plate 4 is fixedly connected with a plurality of buffer columns 16.
In this embodiment: the supporting blocks 12 fixedly connected to the two ends of the steel box girder shell 1 play a role in supporting and reinforcing, so that the bearing capacity and stability of the whole device are improved, the device can be supported through the cushion blocks 15 fixedly connected to the inner wall of one side of the mounting groove 2, and the device can be stressed and dispersed in the device through the buffer columns 16 fixedly connected to one end of the bottom plate 4, so that the whole strength and the service life of the device are improved.
The working principle and the using flow of the utility model are as follows: when the steel box girder shell 1 receives external pressure, the spring 8 fixedly connected to the upper end of the buffer plate 6 is used for buffering the pressure, so that the received pressure is conducted to the two ends of the bottom plate 4, the pressure can be uniformly dispersed in the device through the buffer columns 16 fixedly connected to one end of the bottom plate 4, the pressure can be better shared through the device, and the service life of the device is prolonged.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A modular steel box girder comprising:
Steel case roof beam shell (1), mounting groove (2) have been seted up to steel case roof beam shell (1), one side inner wall of mounting groove (2) is provided with two webs (3), two equal fixedly connected with bottom plate (4) of one end of web (3), two the web (3) be close to fixed plate (5) of end fixedly connected with mutually, two the upper end fixedly connected with buffer board (6) of web (3), the upper end fixedly connected with spring (8) of buffer board (6), the one end fixedly connected with stress plate (9) of spring (8).
2. A combined steel box girder according to claim 1, characterized in that both ends of the steel box girder shell (1) are fixedly connected with main boards (10), and one end of each main board (10) is provided with an observation hole (11).
3. A combined steel box girder according to claim 2, characterized in that the two ends of the steel box girder shell (1) are fixedly connected with supporting blocks (12).
4. A combined steel box girder according to claim 3, characterized in that the upper end of the steel box girder shell (1) is provided with a plurality of connecting grooves (13), a plurality of shackles (14) are fixedly connected to the inner wall of one side of each connecting groove (13), and a plurality of shackles (14) are pear-shaped.
5. A modular steel box girder according to claim 4, characterized in that the inner wall of one side of the mounting groove (2) is fixedly connected with a spacer block (15).
6. A modular steel box girder according to claim 5, characterized in that one end of the bottom plate (4) is fixedly connected with a plurality of buffer columns (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322671249.2U CN220813414U (en) | 2023-10-07 | 2023-10-07 | Combined steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322671249.2U CN220813414U (en) | 2023-10-07 | 2023-10-07 | Combined steel box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220813414U true CN220813414U (en) | 2024-04-19 |
Family
ID=90672681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322671249.2U Active CN220813414U (en) | 2023-10-07 | 2023-10-07 | Combined steel box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220813414U (en) |
-
2023
- 2023-10-07 CN CN202322671249.2U patent/CN220813414U/en active Active
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