CN219710046U - Steel box girder installation structure for preventing girder falling - Google Patents
Steel box girder installation structure for preventing girder falling Download PDFInfo
- Publication number
- CN219710046U CN219710046U CN202320800407.7U CN202320800407U CN219710046U CN 219710046 U CN219710046 U CN 219710046U CN 202320800407 U CN202320800407 U CN 202320800407U CN 219710046 U CN219710046 U CN 219710046U
- Authority
- CN
- China
- Prior art keywords
- positioning
- steel box
- box girder
- fixedly connected
- girder
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 59
- 239000010959 steel Substances 0.000 title claims abstract description 59
- 238000009434 installation Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 239000000945 filler Substances 0.000 claims abstract description 17
- 239000004575 stone Substances 0.000 claims description 17
- 230000002265 prevention Effects 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to the technical field of bridges and discloses a steel box girder installation structure for preventing girders from falling, which comprises a bent cap, wherein a filler is fixedly connected to the top of the bent cap, a steel box girder mechanism is installed on the filler through a first positioning mechanism, two sides of the steel box girder mechanism are connected with the bent cap through girder falling preventing mechanisms, and a second positioning mechanism is arranged on the top of the steel box girder mechanism; the steel box girder mechanism comprises a bottom plate and a top plate, wherein two sides of the top of the bottom plate are fixedly connected with side plates, and the top ends of the two side plates are respectively and fixedly connected with two ends of the bottom side of the top plate; the first positioning mechanism comprises a plurality of first positioning strips and a plurality of first positioning grooves, the first positioning grooves are formed in the bottom side of the bottom plate, the first positioning strips are fixedly connected to the top of the filler, and the first positioning strips are slidably connected to the inside of the first positioning grooves. According to the utility model, the whole steel box girder mechanism completes quick and accurate installation through the matching of the first positioning mechanism and the second positioning mechanism, and the installation efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of bridges, in particular to a steel box girder installation structure for preventing girders from falling.
Background
Steel box girders, also known as steel plate box girders, are a common form of construction for large span bridges. Are commonly used on larger span bridges, known as steel box girders because of their profile resembling a box, and in large span cable-supported bridges are typically manufactured and installed in several girder segments. In the prior art, after the steel box girder is lifted to the installation position by a crane, the steel box girder is pulled to be aligned by a manual operation machine, then the steel box girder is welded or poured to be stabilized, and the rest steel box girders are installed in turn in the same way, but the steel box girders are lifted by the crane in the installation process, the deviation occurs in the installation process, a great deal of manpower and time are consumed to position the steel box girder to a proper position, and the working efficiency is reduced.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a steel box girder installation structure for preventing girders from falling.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the steel box girder installation structure comprises a bent cap, wherein a filler stone is fixedly connected to the top of the bent cap, a steel box girder mechanism is installed on the filler stone through a first positioning mechanism, two sides of the steel box girder mechanism are connected with the bent cap through a beam falling preventing mechanism, and a second positioning mechanism is arranged on the top of the steel box girder mechanism;
the steel box girder mechanism comprises a bottom plate and a top plate, wherein two sides of the top of the bottom plate are fixedly connected with side plates, and the top ends of the two side plates are respectively and fixedly connected with two ends of the bottom side of the top plate;
the positioning mechanism I comprises a plurality of positioning strips I and a plurality of positioning grooves I, wherein the positioning grooves I are arranged on the bottom side of the bottom plate, the positioning strips I are fixedly connected to the top of the filler, the positioning strips I are connected in the positioning grooves I in a sliding manner, one side of each positioning groove I is provided with an open end, and the other end of each positioning groove I is provided with a closed end;
the second positioning mechanism comprises a second positioning groove and a second positioning strip, the second positioning groove is fixedly connected to one side of the top plate, and the second positioning strip is fixedly connected to the other side of the top plate.
As a further description of the above technical solution:
the first locating strip on the other side is connected with the bottom plate through a screw rod, and nuts are connected with two sides of the screw rod in a threaded mode.
As a further description of the above technical solution:
the beam falling prevention mechanism comprises two beam falling prevention stop blocks, the two beam falling prevention stop blocks are respectively and fixedly connected to the side plates and the bent cap, and the two beam falling prevention stop blocks are connected through a connecting chain.
As a further description of the above technical solution:
and the second adjacent positioning groove is in sliding connection with the second positioning strip.
As a further description of the above technical solution:
and a baffle plate is fixedly connected inside the steel box girder mechanism.
As a further description of the above technical solution:
the anti-falling beam stop blocks are connected with the side plates and the cover beam in a welding or bolt mode.
As a further description of the above technical solution:
the filler stone is formed by pouring concrete.
The utility model has the following beneficial effects:
according to the utility model, firstly, the bottom of the steel box girder mechanism is rapidly positioned and installed with the filler stone through the first positioning mechanism, and meanwhile, the adjacent steel box girder mechanism is aligned through the second positioning mechanism, so that the whole rapid installation is completed, and the installation efficiency is improved.
Drawings
FIG. 1 is an overall perspective view of a steel box girder installation structure of an anti-drop girder according to the present utility model;
FIG. 2 is another perspective view of a steel box girder installation structure of an anti-drop girder according to the present utility model;
FIG. 3 is a schematic view of a bolster of a steel box girder installation structure of the present utility model;
fig. 4 is a schematic diagram of a positioning groove of a steel box girder installation structure of an anti-drop girder according to the present utility model.
Legend description:
1. a capping beam; 2. a filler stone; 3. positioning strips I; 4. a positioning groove I; 5. a screw; 6. a nut; 7. a bottom plate; 8. a side plate; 9. a top plate; 10. a positioning groove II; 11. positioning strips II; 12. a beam falling prevention stop block; 13. and (5) connecting a chain.
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.
Referring to fig. 1-4, one embodiment provided by the present utility model is: the steel box girder installation structure comprises a bent cap 1, wherein a packing stone 2 is fixedly connected to the top of the bent cap 1, a steel box girder mechanism is installed on the packing stone 2 through a first positioning mechanism, two sides of the steel box girder mechanism are connected with the bent cap 1 through the beam falling preventing mechanism, and a second positioning mechanism is arranged on the top of the steel box girder mechanism; the steel box girder mechanism comprises a bottom plate 7 and a top plate 9, wherein both sides of the top of the bottom plate 7 are fixedly connected with side plates 8, and the top ends of the two side plates 8 are respectively and fixedly connected with both ends of the bottom side of the top plate 9; the positioning mechanism I comprises a plurality of positioning strips I3 and a plurality of positioning grooves I4, the positioning grooves I4 are arranged on the bottom side of the bottom plate 7, the positioning strips I3 are fixedly connected to the top of the filler stone 2, the positioning strips I3 are slidably connected to the inside of the positioning grooves I4, one side of the positioning grooves I4 is provided with an open end, and the other end of the positioning grooves I4 is provided with a closed end; the second positioning mechanism comprises a second positioning groove 10 and a second positioning strip 11, the second positioning groove 10 is fixedly connected to one side of the top plate 9, the second positioning strip 11 is fixedly connected to the other side of the top plate 9, the steel box girder is lifted by a crane, when the steel box girder reaches the upper side of the cover girder 1, the opening end of the first positioning groove 4 arranged at the bottom of the bottom plate 7 is aligned with the first positioning strip 3, so that the whole steel box girder moves towards the direction of the filler stone 2 on the other side, at the moment, the first positioning strip 3 slides in the first positioning groove 4 until the first positioning strip 3 contacts the closed end of the other side inside the first positioning groove 4 to cause the steel box girder to be unable to move, at the moment, the movement is stopped, the screw 5 sequentially passes through the first positioning strip 3 on the bottom plate 7 and the filler stone 2 on the other side, and finally nuts 6 are respectively screwed on the two sides of the screw 5 to finish fastening.
The first side locating strip 3 of opposite side links to each other with bottom plate 7 through screw rod 5, the equal threaded connection in both sides of screw rod 5 has nut 6, through the cooperation of screw rod 5 and nut 6, make the bottom plate 7 more fasten with the connection of locating strip 3, the condition of displacement has been avoided appearing, simultaneously utilize the connecting hole of locating strip 3 and bottom plate 7, the effect of calibration location has been played, prevent falling beam mechanism includes two prevent falling beam dog 12, two prevent falling beam dog 12 respectively fixed connection on curb plate 8 and bent cap 1, link to each other through connecting chain 13 between two prevent falling beam dog 12, the condition of displacement appears easily for a long time, the risk that the steel box girder dropped has been avoided, adjacent constant head tank two 10 and locating strip two 11 are sliding connection, slide into inside the locating strip two 11 through the constant head tank two 10, accomplish the location of adjacent steel box girder, reach accurate butt joint, the inside fixedly connected with baffle of steel box girder mechanism plays the supporting role, prevent falling beam dog 12 and curb plate 8 and bent cap 1 accessible welded or bolted mode is connected, the filler stone 2 is concrete.
Working principle: firstly, a steel box girder is hoisted by a crane, when the steel box girder reaches the upper part of a capping girder 1, the opening end of a first positioning groove 4 arranged at the bottom of a bottom plate 7 is aligned with a first positioning strip 3, so that the whole steel box girder is driven to move towards the direction of a stone 2 at the other side, at the moment, the first positioning strip 3 slides in the first positioning groove 4 until the first positioning strip 3 contacts with a closed end at the other side inside the first positioning groove 4, so that the steel box girder cannot move, at the moment, the movement is stopped, a screw 5 sequentially passes through the first positioning strips 3 on the bottom plate 7 and the stone 2 at the other side, and finally nuts 6 are respectively screwed on two sides of the screw 5 to complete fastening.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a prevent steel case roof beam mounting structure of roof beam that falls, includes bent cap (1), its characterized in that: the top of the bent cap (1) is fixedly connected with a filler stone (2), the filler stone (2) is provided with a steel box girder mechanism through a first positioning mechanism, two sides of the steel box girder mechanism are connected with the bent cap (1) through a girder falling preventing mechanism, and the top of the steel box girder mechanism is provided with a second positioning mechanism;
the steel box girder mechanism comprises a bottom plate (7) and a top plate (9), wherein two sides of the top of the bottom plate (7) are fixedly connected with side plates (8), and the top ends of the two side plates (8) are respectively and fixedly connected with two ends of the bottom side of the top plate (9);
the first positioning mechanism comprises a plurality of first positioning strips (3) and a plurality of first positioning grooves (4), the first positioning grooves (4) are arranged on the bottom side of a bottom plate (7), the first positioning strips (3) are fixedly connected to the top of a filler stone (2), the first positioning strips (3) are slidably connected to the inside of the first positioning grooves (4), one side of the first positioning grooves (4) is provided with an open end, and the other end of the first positioning grooves (4) is provided with a closed end;
the second positioning mechanism comprises a second positioning groove (10) and a second positioning strip (11), the second positioning groove (10) is fixedly connected to one side of the top plate (9), and the second positioning strip (11) is fixedly connected to the other side of the top plate (9).
2. The steel box girder installation structure of the girder falling prevention according to claim 1, wherein: the positioning strip I (3) on the other side is connected with the bottom plate (7) through a screw rod (5), and nuts (6) are connected with the two sides of the screw rod (5) in a threaded mode.
3. The steel box girder installation structure of the girder falling prevention according to claim 1, wherein: the beam falling prevention mechanism comprises two beam falling prevention stop blocks (12), the two beam falling prevention stop blocks (12) are respectively and fixedly connected to the side plates (8) and the cover beam (1), and the two beam falling prevention stop blocks (12) are connected through a connecting chain (13).
4. The steel box girder installation structure of the girder falling prevention according to claim 1, wherein: the adjacent positioning groove II (10) is in sliding connection with the positioning strip II (11).
5. The steel box girder installation structure of the girder falling prevention according to claim 1, wherein: and a baffle plate is fixedly connected inside the steel box girder mechanism.
6. A steel box girder installation structure for preventing girder falling according to claim 3, wherein: the anti-falling beam stop block (12) is connected with the side plates (8) and the cover beam (1) in a welding or bolt mode.
7. The steel box girder installation structure of the girder falling prevention according to claim 1, wherein: the filler stone (2) is formed by pouring concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320800407.7U CN219710046U (en) | 2023-04-12 | 2023-04-12 | Steel box girder installation structure for preventing girder falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320800407.7U CN219710046U (en) | 2023-04-12 | 2023-04-12 | Steel box girder installation structure for preventing girder falling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219710046U true CN219710046U (en) | 2023-09-19 |
Family
ID=88002766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320800407.7U Active CN219710046U (en) | 2023-04-12 | 2023-04-12 | Steel box girder installation structure for preventing girder falling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219710046U (en) |
-
2023
- 2023-04-12 CN CN202320800407.7U patent/CN219710046U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103255726B (en) | A kind of construction method of continuous beam arch combination bridge | |
| US6561780B2 (en) | System and assembly for the manufacturing of prestressed reinforced concrete railroad ties and the like | |
| CN205205646U (en) | Structure of reinforcing prefabricated segment formula concrete bridge intersegmental connection of festival | |
| CN111074772A (en) | Improved T-shaped steel prefabricated hollow slab beam bridge hinge joint structure and construction process thereof | |
| CN110607867A (en) | Non-dismantling mold laminated slab | |
| CN219710046U (en) | Steel box girder installation structure for preventing girder falling | |
| CN113481852A (en) | Bridge wet joint formwork system capable of being continuously constructed | |
| CN212153072U (en) | UHPC corrugated steel web I-shaped combined continuous beam | |
| CN210066499U (en) | Suspension bridge girder steel aerial accurate butt joint system | |
| CN111254799A (en) | Assembled composite structure bridge and construction method | |
| CN110777673A (en) | Adjustable support frame for cast-in-place beam template | |
| CN206554343U (en) | Full assembled steel prefabricated concrete floor combination beam | |
| CN214116258U (en) | Beam falling prevention stop block mounting device for high-speed railway precast box beam | |
| CN209081269U (en) | Assembling truss hanging apparatus | |
| CN112411353A (en) | Prefabricated assembled steel-concrete composite beam bolted in longitudinal segmentation mode and construction method | |
| CN112458878A (en) | Segmental assembling steel-concrete combined continuous beam and construction method thereof | |
| CN219860264U (en) | Novel beam lifting machine | |
| CN111058621B (en) | Early system of tearing open of floor template support-free | |
| CN210288870U (en) | Novel quick assembly's bailey piece | |
| CN220747233U (en) | Steel construction factory building that can install fast | |
| CN213233147U (en) | Prefabricated segment beam assembling temporary quick-dismantling movable support | |
| CN220464243U (en) | Prefabricated box girder hydraulic template | |
| CN219280450U (en) | Steel trestle capable of being repeatedly installed | |
| CN221192934U (en) | Steel box girder base | |
| CN219010962U (en) | Steel box girder splicing and positioning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |