CN218345935U - Local additional strengthening of heavy steel case roof beam integral hoisting point - Google Patents
Local additional strengthening of heavy steel case roof beam integral hoisting point Download PDFInfo
- Publication number
- CN218345935U CN218345935U CN202222921417.4U CN202222921417U CN218345935U CN 218345935 U CN218345935 U CN 218345935U CN 202222921417 U CN202222921417 U CN 202222921417U CN 218345935 U CN218345935 U CN 218345935U
- Authority
- CN
- China
- Prior art keywords
- steel
- box girder
- steel sheet
- hoisting point
- plate
- 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.)
- Active
Links
Images
Landscapes
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The utility model relates to a construction field, in particular to local additional strengthening of heavy steel case roof beam integral hoisting point. Including connecting in the multirow steel sheet of heavy steel box girder hoisting point place box girder roof board below, every row of steel sheet is separated by the box girder web, and all sets up the recess the same with box girder rib board cross sectional shape on the steel sheet, the steel sheet includes inboard steel sheet and outside steel sheet, the I-steel is connected to inboard steel sheet lower extreme, I-steel lower extreme connecting box girder bottom plate, the stiffening plate of outside steel sheet as reinforcing steel box girder hoisting point position box girder roof structural strength, the below does not have structural connection. The utility model discloses when can solving heavy steel box girder integral hoisting, the hoisting point position atress is concentrated, avoids the steel construction to produce deformation or crack because of self gravity at the hoist and mount in-process, leads to the steel construction use level to descend or scrap. The utility model has the characteristics of simple structure, it is practical extensive etc.
Description
Technical Field
The utility model relates to a construction field, in particular to local additional strengthening of heavy steel case roof beam integral hoisting point.
Background
Under certain specific background, the steel box girder is not allowed to be hoisted in sections, only an integral hoisting method can be adopted, the hoisting of the integral steel box girder cannot avoid the condition that the total amount is too large, the stress of hoisting points is concentrated in the hoisting process, the box girder generates stress in the hoisting process, and the box girder can be deformed or cracked.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the unreasonable problem of current heavy steel box girder integral hoisting in-process hoisting point atress, provide a local additional strengthening of heavy steel box girder integral hoisting point, when can solving heavy steel box girder integral hoisting, the hoisting point position atress is concentrated, avoids the steel construction to produce deformation or crack because of self gravity at the hoist and mount in-process, leads to the steel construction use level to descend or scrap.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides a local additional strengthening of heavy steel box girder integral hoisting point which characterized in that: including connecting in the multirow steel sheet of heavy steel box girder hoisting point place box girder roof board below, every row of steel sheet is separated by the box girder web, and all sets up the recess the same with box girder rib board cross sectional shape on the steel sheet, the steel sheet includes inboard steel sheet and outside steel sheet, the I-steel is connected to inboard steel sheet lower extreme, I-steel lower extreme connecting box girder bottom plate, the stiffening plate of outside steel sheet as reinforcing steel box girder hoisting point position box girder roof structural strength, the below does not have structural connection.
Four rows are welded under each lifting point of the steel plate, and the welding position of the steel plate does not damage the rib plate structure of the original steel box girder.
The I-steel is welded at the lower end of the inner side steel plate, the lower ends of the inner side steel plates positioned at the left side and the right side of the box girder web plate are respectively welded with one I-steel, and the connection length of the I-steel and the steel plates is not less than 15cm.
Compared with the prior art, the utility model discloses beneficial effect as follows:
the utility model discloses when strengthening the hoisting point position, hoisting point position box roof beam roof is connected with the bottom plate, and at the hoist and mount in-process, hoisting point atress position roof and bottom plate atress guarantee that the steel box roof beam is stable at hoist and mount in-process overall structure at same straight line, can not influence the steel construction because of hoist and mount work and stabilize, have simple structure, characteristics such as practical extensive.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a front view of the structure of the present invention.
Fig. 3 is a side view of the structure of the present invention.
Fig. 4 is a schematic view of the structure of the inner steel plate of the present invention.
In the figure: 1. the steel plate comprises a box girder top plate, 2 lifting lugs, 3 box girder bottom plates, 4 inner steel plates, 5 outer steel plates, 6I-shaped steel, 7 box girder web plates and 8 box girder rib plates.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples, but the present invention is not limited to the specific examples.
Examples
The local reinforcing structure for the integral hoisting point of the heavy steel box girder comprises a plurality of rows of steel plates connected below a box girder top plate 1 where the hoisting point of the heavy steel box girder is located, each row of steel plates is separated by a box girder web 7, grooves with the same cross section as a box girder rib plate 8 are formed in each steel plate, each steel plate comprises an inner steel plate 4 and an outer steel plate 5, I-shaped steel 6 is welded at the lower end of each inner steel plate 4 located on the left side and the right side of the box girder web 7, the connection length of the I-shaped steel 6 and the inner steel plates 4 is not less than 15cm, the material grade of the outer steel plates 5 is the same as the material grade of a box girder main body, in the embodiment, the I-shaped steel 6 is Q345d, the type is 14#, the lower end of the I-shaped steel 6 is welded with a box girder bottom plate 3, and the outer steel plates 5 are used as stiffening plates for reinforcing the structural strength of the box girder top plate at the hoisting point of the heavy steel box girder, and have no structural connection below.
Four rows of steel plates are welded under each lifting point, and the welding position of the steel plates does not damage the original steel box girder rib plate 8 structure.
The utility model discloses the working process, before the hoist and mount of case roof beam, as shown in FIG. 4, with inboard steel sheet 4, outside steel sheet 5 is cut in advance, for dodging steel case roof beam web 7 and case roof beam floor 8, adopts double-sided welding between steel sheet 4 and the floor 8, can not destroy main part case roof beam steel construction such as floor 8 during the welding. As shown in fig. 2-3, the inner steel plate 4 and the outer steel plate 5 are welded in the top plate of the box girder below the hoisting point during processing. The I-shaped steel 6 is vertically welded below the inner steel plate 4, the welding connection is more than 15cm, 2I-shaped steels are connected below each row of steel plates, and 4I-shaped steels are needed to be used for reinforcing each lifting point in the embodiment. The lower end of the I-shaped steel 6 is connected with the box girder bottom plate 3 in a welding way.
The utility model discloses can offset the self stress that some produced at hoist and mount in-process case roof beam, when solving heavy steel case roof beam integral hoisting, the hoisting point position atress is concentrated, avoids the steel construction to produce deformation or crack because of self gravity at hoist and mount in-process, leads to the steel construction use level to descend or scrap. The utility model has the characteristics of simple structure, it is practical extensive etc.
The above description is further detailed in connection with the preferred embodiments of the present invention, and it is not intended that the specific embodiments of the present invention be limited to these descriptions. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses a under the prerequisite of the design, can also make simple deduction and replacement, all should regard as the utility model discloses a protection scope.
Claims (3)
1. The utility model provides a local additional strengthening of heavy steel box girder integral hoisting point which characterized in that: including connecting in the multirow steel sheet of heavy steel box girder hoisting point place box girder roof board below, every row of steel sheet is separated by the box girder web, and all sets up the recess the same with box girder rib board cross sectional shape on the steel sheet, the steel sheet includes inboard steel sheet and outside steel sheet, the I-steel is connected to inboard steel sheet lower extreme, I-steel lower extreme connecting box girder bottom plate, the stiffening plate of outside steel sheet as reinforcing steel box girder hoisting point position box girder roof structural strength, the below does not have structural connection.
2. The local reinforcing structure of heavy steel box girder integral hoisting point of claim 1, characterized in that: four rows are welded under each lifting point of the steel plate, and the welding position of the steel plate does not damage the rib plate structure of the original steel box girder.
3. The local reinforcing structure of heavy steel box girder integral hoisting point of claim 1, characterized in that: the I-steel is welded at the lower end of the inner side steel plate, the lower ends of the inner side steel plates positioned at the left side and the right side of the box girder web plate are respectively welded with one I-steel, and the connection length of the I-steel and the steel plates is not less than 15cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222921417.4U CN218345935U (en) | 2022-11-03 | 2022-11-03 | Local additional strengthening of heavy steel case roof beam integral hoisting point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222921417.4U CN218345935U (en) | 2022-11-03 | 2022-11-03 | Local additional strengthening of heavy steel case roof beam integral hoisting point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218345935U true CN218345935U (en) | 2023-01-20 |
Family
ID=84898183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222921417.4U Active CN218345935U (en) | 2022-11-03 | 2022-11-03 | Local additional strengthening of heavy steel case roof beam integral hoisting point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218345935U (en) |
-
2022
- 2022-11-03 CN CN202222921417.4U patent/CN218345935U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218345935U (en) | Local additional strengthening of heavy steel case roof beam integral hoisting point | |
| CN103437547B (en) | A kind of aluminum alloy pattern plate | |
| CN206693061U (en) | A kind of hoisting device for main cable saddle of suspension bridge lifting | |
| CN214217887U (en) | Firm ground is wall steel reinforcement cage hoisting point structure even | |
| CN210103256U (en) | Elevator traction machine combination | |
| CN211569272U (en) | Steel billet conveying and positioning device | |
| CN215249191U (en) | Double-beam low-gravity-center frame hoisting mechanism | |
| CN211691420U (en) | Inserted lift scaffold board | |
| CN207497904U (en) | A kind of tooling for the big part of duplicate rows vehicle handling | |
| CN217600226U (en) | Special crane high strength bending resistance girder structure | |
| CN101463490A (en) | Upper structure of large-sized aluminum cell | |
| CN213836331U (en) | Connecting device for incremental launching construction of bridge | |
| CN201105946Y (en) | Main girder of single-beam crane | |
| CN220620439U (en) | Main upright post and end face cross beam connecting structure suitable for multi-span film greenhouse | |
| CN210366609U (en) | Crane hanging fork | |
| CN217808181U (en) | Double-layer block type spliced freight elevator car bottom structure | |
| CN211455486U (en) | Transformer oil tank | |
| CN112125144A (en) | Diagonal prestressed reinforcement type crane crossbeam | |
| CN212193742U (en) | Concrete cutting platform | |
| CN215479231U (en) | Main beam of single-beam crane | |
| CN216471714U (en) | 800-ton lifting bar for large-scale lifting | |
| CN209798720U (en) | Drilling platform | |
| CN209798755U (en) | Steel-pipe pile hammering positioning and guiding device that sinks | |
| CN214141260U (en) | Crane support leg with circular tube structure | |
| CN213112249U (en) | Novel box girder for crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |