CN217325024U - Wet seam construction trolley for ultra-wide prefabricated box girder - Google Patents
Wet seam construction trolley for ultra-wide prefabricated box girder Download PDFInfo
- Publication number
- CN217325024U CN217325024U CN202220725745.4U CN202220725745U CN217325024U CN 217325024 U CN217325024 U CN 217325024U CN 202220725745 U CN202220725745 U CN 202220725745U CN 217325024 U CN217325024 U CN 217325024U
- Authority
- CN
- China
- Prior art keywords
- platform
- rods
- cross beam
- upper cross
- rod
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a wet seam construction trolley of super wide prefabricated box girder, including removing support, gallows and operation platform, remove support one end and be equipped with the cantilever, the gallows upper end is connected with the cantilever that removes the support, and the lower extreme is connected with operation platform's one end, is connected through the pull rod between the operation platform other end and gallows. The movable support supports on the bridge floor and walks along the bridge floor track, and operation platform is located bridge flange board below, and constructor carries out the installation construction of precast beam wet joint exterior sheathing, reinforcing bar from the bridge floor along gallows operation platform from top to bottom, does not receive the restriction of bridge height and the environmental condition under the bridge, and security and efficiency of construction are high.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, a construction of wet seam of super wide prefabricated case roof beam is related to, concretely relates to wet seam construction trolley of super wide prefabricated case roof beam.
Background
After the prefabricated box girder with the simply-supported continuous structure is installed in place on a bridge, wet joint pouring construction between girder sections needs to be carried out, and wet joint reinforcing steel bars and templates need to be installed on the outer side of the bridge in the construction process. The common construction method is to set up a temporary support under the bridge or to provide a construction platform under the bridge by using a vehicle such as a crane, or to hang a simple hanging basket outside the bridge. For the ultra-wide prefabricated box girder, the height of the girder is high, the cantilever of the flange plate is long, a construction platform is arranged under a bridge and is limited by geological conditions and passing conditions under the bridge, the cost is high, the construction platform is not easy to realize, a simple hanging basket is not easy to fix and move, and the problems of poor safety and low construction efficiency exist.
Disclosure of Invention
The utility model aims at the above-mentioned problem, a platform truck that is used for wet seam construction of super wide prefabricated box girder is provided, improves wet seam efficiency of construction to ensure construction quality and safety.
The technical scheme of the utility model as follows:
the utility model provides a wet seam construction trolley of super wide precast box girder which characterized in that: the device comprises a movable support, a hanging bracket and an operation platform;
the movable support comprises two lower cross beams which are arranged in parallel, two lower longitudinal beams are welded between the bottoms of the two ends of the two lower cross beams, the bottoms of the two ends of each lower longitudinal beam are respectively provided with a track wheel, the top surfaces of the two ends of each lower cross beam are respectively welded with a lower vertical column, an upper cross beam which is parallel to the lower cross beam is welded between the upper ends of the two lower vertical columns welded with each lower cross beam, the length of the upper cross beam is greater than that of the lower cross beams, and one end of the upper cross beam extends out of the end part of the lower cross beam to form a cantilever;
the hanging bracket comprises 4 hanging rods, wherein the upper ends of every two hanging rods are connected with a cantilever of an upper cross beam of the movable support, one of the two hanging rods connected with each upper cross beam cantilever is connected with the end part of an upper cross rod, and the other hanging rod is separated from the end part of the upper cross rod by a certain distance; a plurality of cross rods are respectively welded between two hanging rods connected with an upper cross rod and between two hanging rods connected with the end parts of the two upper cross rods at equal intervals;
the operation platform comprises a rectangular frame formed by welding two platform transverse rods and two platform longitudinal rods, a plurality of platform supporting rods are welded between the two platform transverse rods or between the two platform longitudinal rods, and a platform panel is laid on the platform supporting rods; the operation platform is located the movable support below, and two jib lower extremes of gallows are connected with operation platform's one end respectively, and a pull rod is connected with operation platform's the other end in the middle part of two jibs.
The utility model discloses do not receive the restriction of the current condition under bridge height and the bridge, can realize the totally closed construction of the wet seam exterior sheathing of big cantilever precast beam, steel bar installation, greatly reduced the construction risk, ensure operating personnel safety. The trolley can move along the bridge floor, and after one construction is completed, the trolley can quickly move to the next construction point, so that the construction efficiency is greatly improved.
Drawings
Fig. 1 is a schematic side view of the present invention;
fig. 2 is a schematic view of the three-dimensional structure and the usage state of the present invention.
Detailed Description
As shown in fig. 1 and fig. 2, the utility model comprises a movable support, a hanger and an operation platform.
The movable support comprises two lower cross beams 1 which are arranged in parallel, two lower longitudinal beams 2 are welded between the bottoms of the two ends of the two lower cross beams, a track wheel 3 is arranged at the bottom of each lower longitudinal beam, a lower vertical column 4 is welded on the top surface of each lower cross beam, an upper cross beam 5 which is parallel to the lower cross beams is welded between the upper ends of the two lower vertical columns welded on each lower cross beam, the length of the upper cross beam is greater than that of the lower cross beams, and one end of the upper cross beam extends out of the end part of the lower cross beam to form a cantilever;
the hanging bracket comprises 4 hanging rods 6, wherein the upper ends of every two hanging rods are connected with a cantilever of an upper cross beam 5 of the movable bracket, one of the two hanging rods connected with each upper cross beam cantilever is connected with the end part of an upper cross rod, and the other hanging rod is separated from the end part of the upper cross rod by a certain distance; a plurality of cross rods 7 are welded between two suspension rods 6 connected with an upper cross rod and between two suspension rods 6 connected with the end parts of the two upper cross rods at equal intervals respectively;
the operating platform 8 comprises a rectangular frame formed by welding two platform transverse rods and two platform longitudinal rods, a plurality of platform supporting rods are welded between the two platform transverse rods or between the two platform longitudinal rods, and panels are laid on the platform supporting rods; the operating platform is positioned below the movable support, the lower ends of the two suspension rods 6 of the suspension bracket are respectively connected with one end of an operating platform 8, and the middle parts of the two suspension rods and the other end of the operating platform are connected with a pull rod 9.
The utility model discloses during the specific implementation, for strengthening the structure of moving movable support, can a welding stand 10 on moving movable support's the entablature, weld a diagonal brace 11 respectively between stand upper end and entablature both ends.
The utility model discloses during the concrete implementation, can process the preparation respectively with movable support, gallows and operation platform triplex, will pass through bolt or bolt connection between each part when using, dismantle the connection between each part after the construction is accomplished, reduce the volume and be convenient for transport and deposit.
When the hanging bracket is specifically implemented, the upper end of each hanging rod of the hanging bracket can be connected with the upper cross beam through a bolt or a bolt.
The operation platform is connected with the two suspension rods in a rotating mode through the pin shaft, the telescopic structure is arranged on the pull rod connected between the other end of the operation platform and the suspension rods, the operation platform can be adjusted to have a certain inclination angle through the stretching of the pull rod, the operation platform is matched with the inclined plane at the bottom of the bridge flange plate, and construction is facilitated.
During specific implementation, the pull rod can be set to be a threaded sleeve, two ends of the pull rod are respectively in threaded connection with a screw rod, one end of each screw rod is in threaded connection with the corresponding threaded sleeve for a certain length, and the other end of each screw rod is connected with the corresponding suspension rod and the corresponding operating platform through bolts or bolts. The threaded sleeve is rotated, the threaded length of the two screw rods and the threaded sleeve can be increased or decreased simultaneously, and therefore the length of the pull rod is adjusted.
To ensure the safety of the constructors on the platform, platform guardrails 12 may be provided at the periphery of the operation platform 8.
The utility model discloses during the use, lay two guide rails 14 in the same direction as the bridge at the flange board top surface of precast beam 13, adopt the loop wheel machine to hoist the movable support on the bridge floor, the rail wheel of movable support bottom end crossbeam both ends bottom supports respectively on two guide rails, and the gallows is located the bridge outside, and operation platform is located flange board below take the altitude. After the trolley is installed, a balance weight 15 can be arranged between the two lower cross beams of the movable support, and the stability of the trolley is guaranteed.
Promote the platform truck and move to crossing a wet seam 16 department, constructor carries out wet seam outside reinforcing bar and formwork erection construction on the operation platform along the gallows down on the bridge, and horizontal pole 7 between the gallows guide arm both plays the safety protection effect, and the cat ladder foot bar that the constructor went up and down is regarded as again.
After the wet joint construction of one position is finished, the trolley is pushed to move to the next construction point.
Claims (6)
1. The utility model provides a wet seam construction platform truck of super wide prefabricated box girder which characterized in that: the device comprises a movable support, a hanging bracket and an operating platform;
the movable support comprises two lower cross beams which are arranged in parallel, two lower longitudinal beams are welded between the bottoms of the two ends of the two lower cross beams, the bottoms of the two ends of each lower longitudinal beam are respectively provided with a track wheel, the top surfaces of the two ends of each lower cross beam are respectively welded with a lower vertical column, an upper cross beam which is parallel to the lower cross beam is welded between the upper ends of the two lower vertical columns welded with each lower cross beam, the length of the upper cross beam is greater than that of the lower cross beams, and one end of the upper cross beam extends out of the end part of the lower cross beam to form a cantilever;
the hanging bracket comprises 4 hanging rods, wherein the upper ends of every two hanging rods are connected with a cantilever of an upper cross beam of the movable support, one of the two hanging rods connected with each upper cross beam cantilever is connected with the end part of an upper cross rod, and the other hanging rod is separated from the end part of the upper cross rod by a certain distance; a plurality of cross rods are respectively welded between two hanging rods connected with an upper cross rod and between two hanging rods connected with the end parts of the two upper cross rods at equal intervals;
the operation platform comprises a rectangular frame formed by welding two platform transverse rods and two platform longitudinal rods, a plurality of platform supporting rods are welded between the two platform transverse rods or between the two platform longitudinal rods, and a platform panel is laid on the platform supporting rods; the operation platform is located the movable support below, and two jib lower extremes of gallows are connected with operation platform's one end respectively, and a pull rod is connected with operation platform's the other end in the middle part of two jibs.
2. The ultra-wide precast box girder wet joint construction trolley according to claim 1, characterized in that: an upper upright post is welded on an upper cross beam of the movable support, and an inclined support rod is respectively welded between the upper end of the upper upright post and two ends of the upper cross beam.
3. The ultra-wide precast box girder wet joint construction trolley according to claim 1, characterized in that: the upper end of each suspender is connected with the upper cross beam through a bolt or a bolt.
4. The ultra-wide precast box girder wet joint construction trolley according to claim 1, characterized in that: one end of the operating platform is rotatably connected with the two hanging rods through a pin shaft, and a pull rod connected between the other end of the operating platform and the hanging rods is of a telescopic structure.
5. The ultra-wide precast box girder wet joint construction trolley according to claim 4, wherein: the pull rod is a threaded sleeve, two ends of the pull rod are respectively in threaded connection with a screw rod, one end of each screw rod is in threaded connection with the corresponding threaded sleeve for a certain length, and the other end of each screw rod is connected with the corresponding suspension rod and the corresponding operating platform through bolts or bolts.
6. The ultra-wide precast box girder wet joint construction trolley according to claim 1, characterized in that: and a platform guardrail is arranged on the periphery of the operating platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220725745.4U CN217325024U (en) | 2022-03-28 | 2022-03-28 | Wet seam construction trolley for ultra-wide prefabricated box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220725745.4U CN217325024U (en) | 2022-03-28 | 2022-03-28 | Wet seam construction trolley for ultra-wide prefabricated box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217325024U true CN217325024U (en) | 2022-08-30 |
Family
ID=83003900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220725745.4U Active CN217325024U (en) | 2022-03-28 | 2022-03-28 | Wet seam construction trolley for ultra-wide prefabricated box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217325024U (en) |
-
2022
- 2022-03-28 CN CN202220725745.4U patent/CN217325024U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201221206Y (en) | Movable anti-electricity protection shed rack | |
| JP5047680B2 (en) | Construction method of continuous viaduct | |
| KR20140084107A (en) | Self-Launching Movable Scaffolding System | |
| CN107201719B (en) | Viaduct anti-collision wall template hoisting transfer machine and anti-collision wall construction method | |
| CN108316152A (en) | A kind of high pier capping beam construction mobile formwork and its construction technology | |
| WO2022142193A1 (en) | Construction method for large-span thin-wall concrete sound barrier pouring trolley | |
| CN104790644B (en) | Extending and contracting sliding support frame for roof decorative bottom boards | |
| CN206873495U (en) | A kind of Portable piping lane side wall formwork jumbo | |
| CN111483925B (en) | Asynchronous basket of hanging of wave form steel web bridge | |
| CN112211112A (en) | Steel box girder installation method adopting double-guide-girder erection machine on existing bridge | |
| CN217325024U (en) | Wet seam construction trolley for ultra-wide prefabricated box girder | |
| CN111021205A (en) | Concrete anti-collision guardrail formwork device and manufacturing method | |
| CN216474543U (en) | Stay cable crane for offshore cable-stayed bridge construction | |
| CN211473320U (en) | Tool type external hanging rack for corridor | |
| CN214462326U (en) | Slidable operation platform for railway business line construction | |
| CN213538695U (en) | Bridge anticollision wall template trolley | |
| CN211848997U (en) | Semi-span pier beam-lifting machine for bridge on high pier column prefabricated T beam in limited space | |
| CN210507161U (en) | Novel outer hanging anticollision barrier construction dolly | |
| CN207044363U (en) | A kind of new precast beam protection and operating platform | |
| CN112709162A (en) | Large-span thin-wall concrete sound barrier pouring trolley | |
| CN217810527U (en) | Asynchronous hanging basket hoisting system with corrugated steel web self-bearing function | |
| CN212925792U (en) | Large cantilever bent cap prestress tensioning hanging basket device | |
| CN210134343U (en) | Trolley for mounting drain pipe on outer side edge of bridge | |
| CN220013417U (en) | Safe operation platform of cast-in-situ box Liang Xuantiao of continuous rigid frame hanging basket cantilever | |
| CN217810545U (en) | Construction system for steel truss girder bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |