CN216858742U - Auxiliary positioning support for welding operation of arch ribs of steel box arch bridge - Google Patents
Auxiliary positioning support for welding operation of arch ribs of steel box arch bridge Download PDFInfo
- Publication number
- CN216858742U CN216858742U CN202123263138.5U CN202123263138U CN216858742U CN 216858742 U CN216858742 U CN 216858742U CN 202123263138 U CN202123263138 U CN 202123263138U CN 216858742 U CN216858742 U CN 216858742U
- Authority
- CN
- China
- Prior art keywords
- arch rib
- arch
- clamping plate
- rib
- limiting clamping
- 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
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses an auxiliary positioning support for welding operation of an arch rib of a steel box arch bridge, which comprises an upper cross beam (1) and a lower cross beam (2) which are respectively clamped on the upper surface and the lower surface of the arch rib (10), wherein the bottom surface of the upper cross beam (1) and the top surface of the lower cross beam (2) are respectively fixed with a lateral cross beam (4), the upper cross beam (1), the lower cross beam (2) and each lateral cross beam are respectively connected with a supporting rod (5), each supporting rod (5) is respectively provided with a push rod in a penetrating way, and one end of each push rod respectively faces to the welding seam position of the arch rib (10) and is connected with a limiting clamping plate (7). The utility model can provide stable and reliable support for welding the arch rib, and effectively ensures the welding quality and the splicing precision of the arch rib.
Description
Technical Field
The utility model relates to the field of supports for welding operation of steel box arch bridges, in particular to an auxiliary positioning support for welding operation of arch ribs of steel box arch bridges.
Background
With the development of construction technology, steel structures are widely applied to bridge construction, especially steel structure arch bridges. However, the bridge structure has a large size, and usually adopts construction modes of sectional prefabrication and field splicing, and the field splicing mainly comprises welding connection and bolt connection. When welded connection is adopted, in order to ensure that the line type of the spliced structure meets the design requirement, the welding precision needs to be improved as much as possible. However, for the welding of the arch rib of the large-size steel structure arch bridge, the structure size is large, the high-altitude operation difficulty is large, the arch rib is difficult to fix due to the arc line type, and once the welding precision does not meet the design requirement, the stress state of the arch rib is directly changed, so that the safety of the whole bridge structure is influenced. Therefore, it is desirable to provide a simple and reliable rib welding fixture.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an auxiliary positioning support for welding operation of an arch rib of a steel box arch bridge, aiming at the problem of high fixing difficulty in the existing welding process of the arch rib of the steel structure arch bridge.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
steel case arched bridge arch rib welding operation assistance-localization real-time support, its characterized in that: the supporting device comprises an upper crossbeam 1 and a lower crossbeam 2 which are respectively clamped on the upper surface and the lower surface of an arch rib 10, wherein the bottom surface of the upper crossbeam 1 is positioned at the positions outside the two sides of the arch rib 10, and the top surfaces of the lower crossbeam 2 are positioned at the positions outside the two sides of the arch rib 10 and are respectively fixed with a lateral crossbeam 4, the upper crossbeam 1, the lower crossbeam 2 and each lateral crossbeam are respectively connected with a supporting rod 5, the supporting rods 5 respectively extend to the positions of the extending parts, which are just opposite to the corresponding side surfaces of the arch rib 10, of welding seams 11, corresponding to the side surfaces of the arch rib 10, of the supporting rods 5 are respectively provided with a push rod in a penetrating manner, one end of each push rod faces the welding seam position of the arch rib 10, and one end of each push rod faces the arch rib 10 is respectively connected with a limiting clamping plate 7.
Furthermore, a threaded through hole is formed in the support rod 5, the pushing rod is a pushing screw rod 6, and the pushing screw rod 6 is screwed to penetrate through the threaded through hole of the corresponding support rod 5. The limit clamping plate 7 is abutted against the welding seam 11 of the arch rib 10 by rotating the pushing screw 6.
Furthermore, the limiting clamping plate 7 is hinged to one end, facing the arch rib 10, of the ejector rod through a fastening bolt 8. The limiting clamping plate 7 can rotate relative to the pushing screw 6 to adapt to the change of the axis of the arch rib 10, and the limiting clamping plate 7 is guaranteed to be perpendicular to the surface of the arch rib 10 all the time.
Furthermore, the limiting clamping plate 7 is conical, the vertex of the limiting clamping plate 7 faces the arch rib 10, and the edge of the limiting clamping plate 7 is provided with a positioning tooth rib 9. The depth of the limiting clamping plate 7 inserted into the weld can be adjusted, so that the width of the weld 11 of the arch rib 10 meets the design requirement.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
1. the auxiliary positioning support for the welding operation of the arch rib, provided by the utility model, has a simple and reliable structure, can provide stable and reliable support for the welding of the arch rib, and effectively ensures the welding quality and the splicing precision of the arch rib.
2. The limiting clamping plate can rotate relative to the pushing screw, and the limiting clamping plate can be guaranteed to be perpendicular to the surface of the arch rib all the time so as to use the change of the axis of the arch rib and have strong engineering applicability.
3. The edge of spacing cardboard has the location tooth rib of different width, can be according to the design width of welding seam, and the insertion of adjustment spacing cardboard stretches into, promotes welding seam construction quality.
Drawings
FIG. 1 is a schematic view (front view) of an installation structure of an auxiliary positioning bracket for welding operation of a steel box arch bridge arch rib;
FIG. 2 is a schematic view (side view) of the installation structure of an auxiliary positioning bracket for the welding operation of the arch rib of the steel box arch bridge;
figure 3 is a three-dimensional structure schematic diagram of a limiting clamping plate.
The figure is marked with: 1-upper beam, 2-lower beam, 3-split screw, 4-lateral beam, 5-support rod, 6-pushing screw, 7-limiting clamping plate, 8-fastening bolt, 9-positioning gear rib, 10-arch rib and 11-welding seam.
Detailed Description
For a better understanding of the present invention, the following embodiments will be described in detail with reference to fig. 1 to 3, and the following embodiments are implemented on the premise of the technical solution of the present invention, and the detailed embodiments are given, but the scope of the present invention is not limited to the following embodiments.
As shown in figures 1 and 2, the auxiliary positioning support for the welding operation of the arch rib of the steel box arch bridge, which is disclosed by the utility model, comprises an upper cross beam 1, a lower cross beam 2, a counter-pull screw rod 3, a lateral cross beam 4, a support rod 5, a pushing screw rod 6, a limiting clamping plate 7, a fastening bolt 8 and the like.
The upper crossbeam 1, the lower crossbeam 2 hugs closely the upper surface and the lower surface of arch rib 10 respectively, upper crossbeam 1, the lower crossbeam 2 is taut fixed through split screw 3, side direction crossbeam 4 is fixed in 1 bottom surface of upper crossbeam corresponding to the outer position of arch rib 10 left and right sides respectively, the 2 top surface of lower crossbeam corresponds to the outer position of arch rib 10 left and right sides respectively, 1 top of upper crossbeam, 2 top of lower crossbeam, every side direction crossbeam 4 outside is fixed with bracing piece 5 respectively, each bracing piece 5 extends to the extension respectively and corresponds the side relative in the upper, lower, left, right flank of arch rib 10.
The pushing screws 6 respectively penetrate through the supporting rods 5, wherein the pushing screws 6 in the supporting rods 5 at the upper part and the lower part vertically penetrate through the supporting rods, the pushing screws in the supporting rods at the left side and the right side horizontally penetrate through the supporting rods, and one end of each pushing screw 6 faces to the position of a welding line 11 between adjacent sections in the arch rib 10. The end, facing the arch rib 10, of the pushing screw 6 is connected with a limiting clamping plate 7, the specific limiting clamping plate 7 is hinged to the pushing screw 6 through a fastening bolt 8, and the limiting clamping plate 7 can rotate relative to the pushing screw 6 to adapt to the change of the axis of the arch rib 10 and ensure that the limiting clamping plate 7 is perpendicular to the surface of the arch rib 10 all the time.
The limiting clamping plate 7 is inserted into a welding seam 11 between adjacent sections in the arch rib 10. As shown in the attached drawing 3, the limiting clamping plate 7 is conical, the positioning tooth ribs 9 are arranged on the edge of the limiting clamping plate 7, and the width of the welding seams 11 of the adjacent arch ribs 10 can meet the design requirements by adjusting the depth of the limiting clamping plate 7 inserted into the welding seams 11.
Preferably, a threaded hole is formed in the support rod 5, the pushing screw 6 is located in the threaded hole, and the limiting clamping plate 7 abuts against the arch rib 10 by rotating the pushing screw 6.
Based on the structure, the following operation steps are adopted: clamping an upper beam 1 and a lower beam 2 on an arch rib 10 by using a counter-pulling screw rod 3, then adjusting a pushing screw rod 6 to enable a limiting clamping plate 7 to abut against the edge of the arch rib 10, screwing a fastening bolt 8 to enable the limiting clamping plate 7 to be perpendicular to the surface of the arch rib 10, and adjusting the insertion depth of the limiting clamping plate 7 according to the width of a welding seam 11 between adjacent sections of the arch rib 10 to enable the width of the welding seam 11 to meet the design requirement; after welding, the pushing screw 6 is screwed to draw the limiting clamping plate 7 out of the welding line 11, the upper beam 1 and the lower beam 2 are detached from the arch rib 10, and the welding line 11 at the limiting clamping plate 7 is filled.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (5)
1. Steel case arched bridge arch rib welding operation assistance-localization real-time support, its characterized in that: including entablature (1), bottom end rail (2) of centre gripping respectively in arch rib (10) upper and lower surface, entablature (1) bottom surface is located the position outside arch rib (10) both sides, and bottom end rail (2) top surface is located the position outside arch rib (10) both sides is fixed with side direction crossbeam (4) respectively, entablature (1), bottom end rail (2), every side direction crossbeam are connected with bracing piece (5) respectively, and bracing piece (5) extend to the extension respectively just right arch rib (10) correspond the side, and bracing piece (5) correspond welding seam (11) position of arch rib (10) side and run through respectively and install the ejector pin, and the one end of every ejector pin is towards arch rib (10) welding seam position respectively, and the one end of every ejector pin towards arch rib (10) is connected with spacing cardboard (7) respectively.
2. The auxiliary positioning bracket for welding operation of the arch rib of the steel box arch bridge as recited in claim 1, wherein: the supporting rod (5) is internally provided with a threaded through hole, the pushing rod is a pushing screw rod (6), and the pushing screw rod (6) is screwed to penetrate through the threaded through hole of the corresponding supporting rod (5).
3. The auxiliary positioning bracket for the welding operation of the arch rib of the steel box arch bridge as recited in claim 1, wherein: the limiting clamping plate (7) is hinged to one end, facing the arch rib (10), of the ejector rod through a fastening bolt (8).
4. The auxiliary positioning bracket for the welding operation of the arch rib of the steel box arch bridge as recited in claim 1, wherein: the limiting clamping plate (7) is conical, and the conical top of the limiting clamping plate (7) faces the arch rib (10).
5. The auxiliary positioning bracket for the welding operation of the arch rib of the steel box arch bridge as recited in claim 1 or 4, wherein: and a positioning tooth rib (9) is arranged at the edge of the limiting clamping plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123263138.5U CN216858742U (en) | 2021-12-23 | 2021-12-23 | Auxiliary positioning support for welding operation of arch ribs of steel box arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123263138.5U CN216858742U (en) | 2021-12-23 | 2021-12-23 | Auxiliary positioning support for welding operation of arch ribs of steel box arch bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216858742U true CN216858742U (en) | 2022-07-01 |
Family
ID=82148904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123263138.5U Active CN216858742U (en) | 2021-12-23 | 2021-12-23 | Auxiliary positioning support for welding operation of arch ribs of steel box arch bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216858742U (en) |
-
2021
- 2021-12-23 CN CN202123263138.5U patent/CN216858742U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201488375U (en) | Channel-type solar torque box bracket | |
| CN216858742U (en) | Auxiliary positioning support for welding operation of arch ribs of steel box arch bridge | |
| CN204174911U (en) | A kind of scaffold connecting device | |
| CN216340920U (en) | Reinforcing apparatus of cylinder rectangular beam junction paper mould | |
| CN209037779U (en) | Ship cabin lid stringer bracing positioning device | |
| CN215106052U (en) | Novel connection structure of girder steel and reinforced concrete frame roof beam of encorbelmenting for a long time | |
| CN201437200U (en) | Plane welding hole broaching machine | |
| CN210239214U (en) | Constructional engineering frame roof beam reinforcing apparatus | |
| CN211172608U (en) | Keel of cold-bending glass curtain wall | |
| CN109112975B (en) | Fish-bellied steel box girder assembling auxiliary device and fish-bellied steel box girder assembling method | |
| CN217896763U (en) | Support for fixing ALC board wide seam | |
| CN218668194U (en) | Prefabricated post component of assembled | |
| CN214558447U (en) | Full-automatic angle welding machine wind shield device and angle welding machine using wind shield device | |
| CN220580611U (en) | Beam lower supporting structure of steel structure | |
| CN220263023U (en) | Ship pipeline sectional building jig frame | |
| CN215670111U (en) | Connecting device with reinforcing structure for building structure design | |
| CN220539253U (en) | Splicing positioning mechanism for special-shaped curtain wall construction | |
| CN220281861U (en) | Automatic case sealing mechanism of case unpacking machine | |
| CN220551132U (en) | Tunnel support steel arch frame connecting assembly | |
| CN215150328U (en) | Prefabricated case roof beam flange board reinforcing bar installation alignment device | |
| CN220790570U (en) | Template for constructional engineering | |
| CN220704743U (en) | Self-locking circular steel tube concrete column joint | |
| CN217204126U (en) | Assembled steel construction foundation ditch strutting arrangement | |
| CN218787359U (en) | Auxiliary fixing support for pipeline | |
| CN216075121U (en) | Positioning fixture for installing prefabricated pile cap of high-pile wharf on sea |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |