CN216947900U - Steel box girder limb construction platform - Google Patents
Steel box girder limb construction platform Download PDFInfo
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- CN216947900U CN216947900U CN202220350275.8U CN202220350275U CN216947900U CN 216947900 U CN216947900 U CN 216947900U CN 202220350275 U CN202220350275 U CN 202220350275U CN 216947900 U CN216947900 U CN 216947900U
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- 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
Abstract
The utility model discloses a steel box girder limb construction platform which comprises a supporting platform, an upper enclosing barrier, an upper flange welding platform, a vertical ladder stand and a hanging basket frame, wherein the upper flange welding platform is arranged on the supporting platform; the supporting platform comprises supporting main beam I-steel and a plurality of groups of main beam supporting blocks, the main beam supporting blocks are connected with the upper surface of the steel box girder, and main beam tread pattern plates for constructors to walk are laid on the supporting main beam I-steel; the upper enclosing blocks are arranged on the supporting main beam I-steel and positioned at two sides of the main beam tread checkered plate; the upper flange welding platform comprises main diagonal bracing beam I-steel arranged parallel to an upper inclined web of the steel box girder and a plurality of groups of main diagonal bracing beam supporting blocks for connecting the main diagonal bracing beam I-steel with the upper inclined web, the upper end of the main diagonal bracing beam I-steel is connected with the bottom of the main diagonal bracing beam I-steel, and the lower end of the main diagonal bracing beam I-steel is connected with the vertical ladder. The utility model solves the problem of field operation of constructors between the sections of the on-site steel box girder and greatly reduces the auxiliary use of mechanical equipment.
Description
Technical Field
The utility model relates to the technical field of construction. More specifically, the utility model relates to a steel box girder edge construction platform.
Background
The Wulan Mulun river No. 3 bridge is a first-seat and world maximum span double-flying-wing middle-support type compound steel box arch bridge, and the double-flying-wing model of the Wulan Mulun river No. 3 bridge spreads wings and hawks in grasslands through moral meaning. The bridge deck is of a steel box girder structure, and the main bridge steel box girder is located at 1.68% of a unidirectional longitudinal slope section. The main bridge steel box girder has a section length of 338m and a total width of 42-65 m, and adopts a steel box girder with an external extending crossbeam. The main box type part of the steel box girder is in a double-steel box girder form, the steel box girder on one side adopts a single-box single-chamber structure, a top plate is communicated between two box chambers, a connection cross beam is arranged below a bottom plate, the height of the main box girder on the central line of the steel box girder is 3.5m (the height of a standard section girder), and the total width of the main box girder is 34 m. The top surface of the steel box girder is provided with 1.5 percent of bidirectional transverse slope, and the bottom surface is horizontal. The overhanging sidewalk beam adopts a mode of widening and changing into high, the width is 4-15.5 m, the height is 1.85-0.5 m, and the overhanging sidewalk beam adopts a unidirectional 2% cross slope.
Because the slope of the bottom of the steel box girder side span segment is large and the whole bridge spans the Wulan Magnolia river, the construction method has great obstruction to the welding construction such as ceramic liner construction and temporary welding measures between the steel box girder segments. Therefore, the construction platform for the steel box girder is designed according to the overall dimension structure of the steel box girder segment.
SUMMERY OF THE UTILITY MODEL
The utility model designs a steel box girder limb construction platform aiming at the defects, solves the problem of field operation of constructors between field steel box girder sections, greatly reduces the auxiliary use of mechanical equipment, and can be recycled between the project steel box girder sections, thereby ensuring the girder erection progress, the installation precision and the welding quality.
A steel box girder limb construction platform comprises a supporting platform, an upper enclosure, an upper flange welding platform, a vertical ladder stand and a basket hanging frame;
the supporting platform comprises supporting main beam I-steel and a plurality of groups of main beam supporting blocks arranged at the bottom of the supporting main beam I-steel, the main beam supporting blocks are connected with the upper surface of the steel box girder, and a main beam tread pattern plate for constructors to walk is laid on the supporting main beam I-steel;
the upper enclosing barriers are arranged on the supporting main beam I-steel and positioned on two sides of the main beam tread checkered plate, so that safety measures for walking of a main beam of a construction personnel platform are guaranteed;
the upper flange welding platform comprises main diagonal bracing beam I-steel arranged parallel to an upper inclined web plate of the steel box girder and a plurality of groups of main diagonal bracing beam support blocks for connecting the main diagonal bracing beam I-steel with the upper inclined web plate, the upper end of the main diagonal bracing beam I-steel is connected with the bottom of the main diagonal bracing beam I-steel, and the lower end of the main diagonal bracing beam I-steel is connected with the vertical ladder stand;
the top end of the vertical crawling ladder is connected with the I-steel for supporting the main beam, and the lower end of the vertical crawling ladder is connected with the basket hanging frame;
hang basket frame and include the lower oblique basket portion that hangs that encloses the vertical frame portion that keeps off and the oblique web setting down that is on a parallel with the steel box girder with vertical cat ladder, hang basket portion down to one side and enclose the fender including slope passageway and the passageway that supplies the workman to walk, the upper end of slope passageway is connected with the lower extreme of vertical cat ladder and vertical frame portion.
Preferably, vertical frame portion comprises a set of vertical angle steel and many equilateral angle steel that are on a parallel with vertical cat ladder setting, and many equilateral angle steel are connected and are formed the protection respectively between connecting and a set of vertical angle steel and the vertical cat ladder and between a set of vertical angle steel and enclose the fender, the upper end rigid coupling of vertical angle steel is on supporting girder worker steel.
Preferably, hang basket portion to one side down and enclose the fender including slope passageway and the passageway that sets up in slope passageway both sides, the slope passageway includes a pair of rectangular angle steel that is on a parallel with oblique web setting down and the many angle steel of marking time that are connected a pair of rectangular angle steel, the lower extreme of rectangular angle steel with the bottom looks rigid coupling of vertical angle steel.
Preferably, a plurality of step angle steels are arranged in parallel, and a pattern steel plate for constructors to walk is laid between every two adjacent step angle steels.
Preferably, the upper end of the channel enclosure is fixedly connected to the vertical angle steel.
Preferably, a bottom plate stop block which is abutted to a lower inclined web plate of the steel box girder is arranged on the channel enclosure of the hanging basket frame.
The utility model has the beneficial effects that: the problem of the constructor field work between on-spot steel box girder segment is solved, and greatly reduced mechanical equipment assists and use, the platform can be recycled between this project steel box girder segment to the frame roof beam progress, installation accuracy and welding quality have been guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic top view of the present invention after installation.
Fig. 3 is a structural schematic diagram of the cradle frame.
Detailed Description
The utility model is further described in the following detailed description of the utility model with reference to the drawings to enable one skilled in the art to make and use the utility model as directed by the description. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.
A steel box girder limb construction platform comprises a supporting platform 1, an upper enclosure 2, an upper flange welding platform 3, a vertical ladder stand 4 and a basket hanging frame 5;
the supporting platform 1 comprises supporting main beam I-steel 11 (large-size steel materials are adopted as a platform supporting stress main body structure to ensure the safety of the whole platform system) and a plurality of groups of main beam supporting blocks 12 arranged at the bottom of the supporting main beam I-steel 11, the main beam supporting blocks 12 are connected with the upper surface of a steel box girder 10, and main beam tread pattern plates 13 for constructors to walk are laid on the supporting main beam I-steel 11;
the upper enclosing barriers 2 are arranged on the supporting main beam I-steel 11 and positioned at two sides of the main beam stepping checkered plates 13 to serve as safety measures for ensuring the walking of the main beam of the construction personnel platform;
the upper flange welding platform 3 comprises main diagonal bracing steel 31 arranged parallel to an upper diagonal web 30 of the steel box girder 10 and a plurality of groups of main diagonal bracing girder supporting blocks 32 for connecting the main diagonal bracing steel 31 with the upper diagonal web 30, the upper end of the main diagonal bracing steel 31 is connected with the bottom of the main diagonal bracing steel 11, the lower end of the main diagonal bracing steel 31 is connected with the vertical ladder stand 4, and the upper flange welding platform 3 serves as a main operation platform for welding the upper diagonal web and performing anticorrosive operation;
the top end of the vertical ladder stand 4 is connected with a supporting main beam I-steel 11, and the lower end of the vertical ladder stand 4 is connected with the basket hanging frame 5;
the basket frame 5 comprises a vertical frame part 51 for enclosing the vertical ladder stand 4 and a lower inclined basket part 52 arranged parallel to the lower inclined web plate 50 of the steel box girder 10, the lower inclined basket part 52 comprises an inclined channel and a channel enclosure 58 for workers to walk, and the upper end of the inclined channel is connected with the vertical ladder stand 4 and the lower end of the vertical frame part 51. The hanging basket frame 5 is used as a main operation platform for the construction of the lower part of the inclined web plate, the structure of the hanging basket frame is longitudinal and large, and the requirement on safety is high.
In another technical scheme, vertical frame part 51 comprises a set of vertical angle steel 53 and many equilateral angle steels 54 that are parallel to vertical cat ladder 4 and set up, and many equilateral angle steels 54 are connected and are formed the protection and enclose the fender between connecting and connecting a set of vertical angle steel 53 and vertical cat ladder 4 between a set of vertical angle steel 53 respectively, the upper end rigid coupling of vertical angle steel 53 is on supporting main girder worker steel 11.
In another technical solution, the lower inclined hanging basket 52 includes an inclined channel and channel surrounding baffles 58 arranged at two sides of the inclined channel, the inclined channel includes a pair of long angle steels 55 arranged parallel to the lower inclined web 50 and a plurality of step angle steels 56 connecting the pair of long angle steels 55, and the lower ends of the long angle steels 55 are fixedly connected with the bottom ends of the vertical angle steels 53.
In another technical scheme, a plurality of step angle steels 56 are arranged in parallel, and a pattern steel plate for constructors to walk is laid between every two adjacent step angle steels 56.
In another technical solution, the upper end of the channel enclosure 58 is fixedly connected to the vertical angle steel 53.
In another technical solution, a bottom plate stopper 57 abutting against the lower inclined web 50 of the steel box girder 10 is provided on the channel enclosure 58 of the basket frame 5 to enhance the stability of the basket frame 5.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the content of the present specification, or any direct or indirect application attached to the technical field of other related products are included in the scope of the present invention.
Claims (6)
1. A steel box girder limb construction platform is characterized by comprising a supporting platform (1), an upper enclosing barrier (2), an upper flange welding platform (3), a vertical ladder stand (4) and a hanging basket frame (5);
the supporting platform (1) comprises supporting main beam I-steel (11) and a plurality of groups of main beam supporting blocks (12) arranged at the bottom of the supporting main beam I-steel (11), the main beam supporting blocks (12) are connected with the upper surface of the steel box girder (10), and a main beam tread pattern plate (13) for constructors to walk is laid on the supporting main beam I-steel (11);
the upper enclosing barrier (2) is arranged on the supporting main beam I-steel (11) and is positioned on two sides of the main beam step pattern plate (13);
the upper flange welding platform (3) comprises main diagonal bracing beam I-steel (31) arranged parallel to an upper diagonal web (30) of the steel box girder (10) and a plurality of groups of main diagonal bracing beam support blocks (32) for connecting the main diagonal bracing beam I-steel (31) with the upper diagonal web (30), the upper end of the main diagonal bracing beam I-steel (31) is connected with the bottom of the main diagonal bracing beam I-steel (11), and the lower end of the main diagonal bracing beam I-steel (31) is connected with the vertical ladder stand (4);
the top end of the vertical crawling ladder (4) is connected with a supporting main beam I-steel (11), and the lower end of the vertical crawling ladder (4) is connected with the basket hanging frame (5);
the basket hanging frame (5) comprises a vertical frame part (51) for enclosing the vertical ladder stand (4) and a lower inclined basket hanging part (52) which is parallel to a lower inclined web plate (50) of the steel box girder (10), the lower inclined basket hanging part (52) comprises an inclined channel and a channel enclosure (58) for workers to walk, and the upper end of the inclined channel is connected with the lower ends of the vertical ladder stand (4) and the vertical frame part (51).
2. A steel box girder edge construction platform according to claim 1, wherein the vertical frame part (51) is composed of a group of vertical angle steels (53) arranged parallel to the vertical ladder (4) and a plurality of equilateral angle steels (54), the plurality of equilateral angle steels (54) respectively connect the group of vertical angle steels (53) with the vertical ladder (4) and the group of vertical angle steels (53) and form a protective enclosure, and the upper ends of the vertical angle steels (53) are fixedly connected to the main supporting girder steel (11).
3. The steel box girder limb construction platform as claimed in claim 1, wherein the lower inclined hanging basket part (52) comprises an inclined channel and a channel enclosure (58) arranged on the side wall of the inclined channel, the inclined channel comprises a pair of long angle steels (55) arranged parallel to the lower inclined web plate (50) and a plurality of step angle steels (56) connecting the pair of long angle steels (55), and the lower ends of the long angle steels (55) are fixedly connected with the bottom ends of the vertical angle steels (53).
4. The steel box girder limb construction platform as claimed in claim 3, wherein a plurality of step angle steels (56) are arranged in parallel with each other, and a pattern steel plate for constructors to walk is laid between two adjacent step angle steels (56).
5. A steel box girder bordering construction platform as defined in claim 2, wherein the upper end of said channel fence (58) is fastened to said vertical angle steel (53).
6. The steel box girder limb construction platform according to claim 1, wherein a bottom plate stop block (57) which is abutted against the lower inclined web plate (50) of the steel box girder (10) is arranged on the channel enclosure (58) of the basket frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220350275.8U CN216947900U (en) | 2022-02-22 | 2022-02-22 | Steel box girder limb construction platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220350275.8U CN216947900U (en) | 2022-02-22 | 2022-02-22 | Steel box girder limb construction platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216947900U true CN216947900U (en) | 2022-07-12 |
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ID=82290961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220350275.8U Active CN216947900U (en) | 2022-02-22 | 2022-02-22 | Steel box girder limb construction platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216947900U (en) |
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2022
- 2022-02-22 CN CN202220350275.8U patent/CN216947900U/en active Active
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