CN214993135U - Welding platform device for box-type units of steel truss arch bridge - Google Patents
Welding platform device for box-type units of steel truss arch bridge Download PDFInfo
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- CN214993135U CN214993135U CN202120555847.1U CN202120555847U CN214993135U CN 214993135 U CN214993135 U CN 214993135U CN 202120555847 U CN202120555847 U CN 202120555847U CN 214993135 U CN214993135 U CN 214993135U
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Abstract
The utility model discloses a steel truss arch bridge box type unit welding platform device, which comprises a concrete foundation, a steel bottom plate, a steel section strut, an L-shaped steel beam, an adjustable bolt, an inclined support, a threaded rod, a fixing bolt, a U-shaped notch base, a box type member fixing support, an L-shaped movable fixing steel plate, a steel truss arch bridge box type unit side plate, an adjustable threaded sleeve support rod and a steel truss arch bridge box type unit bottom plate; and (3) welding the integral node type box unit of the steel truss arch bridge by the corrected steel plate, constructing by adopting a welding platform of the box unit of the steel truss arch bridge, and fixing and processing by a box member fixing support and an adjustable threaded sleeve support rod. The utility model discloses a steel purlin arched bridge box unit welded platform can guarantee on-the-spot component machining precision for the construction progress has reduced the construction degree of difficulty simultaneously, has practiced thrift construction cost, has obvious social and economic benefits.
Description
Technical Field
The utility model relates to a bridge engineering technical field especially relates to a steel purlin arched bridge box unit welded platform device.
Background
The bridge is one of municipal infrastructure, and its main function is not only alleviate urban traffic pressure, can also optimize city space landscape environment. In recent years, with the improvement of urbanization construction level, the style of the bridge gradually presents the characteristic of diversity, and the bridge structure tends to be diversified under the influence of factors such as regional culture and climate difference. The steel truss arch bridge has the characteristics of reasonable structural stress, strong integrity, material saving, small self weight and the like, has better adaptability to soft soil foundations, and is widely adopted. Meanwhile, the design and formation process of the bridge can only be considered according to a certain standard state, the actual formation process of the bridge is complex and has high technical difficulty (precise component processing, welding of a steel truss arch bridge box-type unit, correction of the steel truss arch bridge box-type unit and the like), a plurality of and variable influence factors and a plurality of problems of structural strength, stability and safety are encountered, and the process of the large system engineering needs to be controlled to ensure that the normal operation and the bridge formation state (linear type and internal force) of the large system engineering meet the design requirements.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is exactly in order to remedy prior art's defect, provides a steel purlin arched bridge box unit welded platform device. Compared with the traditional construction method, the steel truss arch bridge box type unit welding platform device is adopted, the on-site component machining precision can be guaranteed, meanwhile, the rod piece manufacturing speed is accelerated, the later installation and construction difficulty is reduced, the construction cost is saved, and higher economic and technical benefits are obtained.
The utility model discloses a realize through following technical scheme:
the utility model provides a steel purlin arched bridge box unit welded platform device, including the concrete foundation, placed the steel bottom plate on the concrete foundation top surface, the interval welding has L shaped steel pillar on the steel bottom plate, L shaped steel pillar upper portion welding L shaped steel crossbeam every L shaped steel crossbeam on all be connected with box member fixed bolster.
The box member fixed bolster including threaded rod, the movable fixed steel sheet of L type, U type notch base and adjustable bolt one, the movable fixed steel sheet of L type reciprocate on the threaded rod, U type notch base fix the lower extreme at the threaded rod, U type notch base is installed on the L shaped steel crossbeam edge of a wing, wherein open threaded hole on the upper end curb plate of U type notch base, the lower extreme curb plate of U type notch base is located below the L shaped steel crossbeam edge of a wing, is equipped with adjustable bolt one in the threaded hole of upper end curb plate, compresses tightly the lower extreme curb plate on L shaped steel crossbeam edge of a wing and U type notch base through adjustable bolt one the edge of a wing of the movable fixed steel sheet of L type on be equipped with adjustable bolt two.
The box-type member fixing support is used for adjusting and moving on the flange of the L-shaped steel beam according to the position of a box-type unit side plate of the steel truss arch bridge, the box-type unit bottom plate of the steel truss arch bridge is fixed by U-shaped notch bases on two sides, then the box-type unit side plate of the steel truss arch bridge is hoisted, the upper part of the box-type unit side plate of the steel truss arch bridge is fixed through the box-type member fixing support, and the lower part of the box-type unit side plate of the steel truss arch bridge is fixed through an adjustable threaded sleeve support rod; the L-shaped movable fixed steel plate is placed on the upper part of the box type unit side plate of the steel truss arch bridge, and the L-shaped movable fixed steel plate and the threaded rod are fixed through the fixed bolt; after the L-shaped movable fixed steel plate is used for preliminarily fixing the box type unit side plates of the steel truss arch bridge, the box type unit side plates of the steel truss arch bridge are further fixed through the adjustable bolts II on the L-shaped movable fixed steel plate; welding construction is carried out after steel purlin arch bridge box type unit bottom plate, steel purlin arch bridge box type unit curb plate are fixed to be accomplished, and after steel purlin arch bridge box type unit bottom plate, steel purlin arch bridge box type unit curb plate welding were accomplished, not hard up adjustable bolt and fixing bolt, heighten and 180 degrees rotatory fixings the movable fixed steel sheet position of L type, hoist and mount steel purlin arch bridge box type unit roof and welding at last.
An inclined support is connected between the upper end of the L-shaped steel support and the steel bottom plate in a reinforcing manner.
The utility model has the advantages that:
1. the utility model discloses steel purlin arched bridge box unit welded platform device processing is simple, and construction speed is fast, and is with low costs.
2. The utility model discloses the site operation adopts artifical and mechanical cooperation installation, and the construction speed is fast, has improved work efficiency greatly, can effectual assurance construction period.
3. The utility model discloses a through the fixed processing that carries out of box member fixed bolster and adjustable screw sleeve vaulting pole, the installation rate is fast, and the efficiency of construction is high, but box member fixed bolster and adjustable screw sleeve vaulting pole repeatedly usable have reduced construction cost.
Drawings
FIG. 1 is a schematic diagram of a transverse vertical plane arrangement of a welding platform of a steel truss arch bridge box type unit;
FIG. 2 is a schematic diagram of the arrangement of the transverse elevation of a welding platform of a box type unit of the steel truss arch bridge;
FIG. 3 is a schematic cross-sectional view of a box-type rod fixing bracket;
fig. 4 is a schematic longitudinal elevation of a box-type rod fixing bracket.
Detailed Description
The invention will be further described with reference to the following embodiments, wherein the conventional construction methods such as member hoisting, foundation construction, etc. are not described in detail. The following examples are set forth merely to aid in the understanding of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
As shown in fig. 1-4, the welding platform device for steel truss arch bridge box type unit comprises: the steel truss arch bridge comprises a concrete foundation 1, a steel bottom plate 2, an L-shaped steel strut 3, an L-shaped steel beam 4, an adjustable bolt I5, an inclined support 6, a threaded rod 7, a fixing bolt 8, a U-shaped notch base 9, a box-type rod fixing support 10, an L-shaped movable fixing steel plate 11, a steel truss arch bridge box-type unit side plate 12, an adjustable threaded sleeve support rod 13 and a steel truss arch bridge box-type unit bottom plate 14; the steel truss arch bridge box-type unit welding platform is adopted for construction, and the box-type member fixing support 10 and the adjustable threaded sleeve support rod 13 are fixed for processing.
The steel truss arch bridge box type unit welding platform adopts a concrete foundation 1, a steel bottom plate 2 is placed on the upper portion of the concrete foundation 1, L-shaped steel pillars 3 are welded on the steel bottom plate 2 at intervals, the L-shaped steel pillars 3 are reinforced and connected with the steel bottom plate 2 through inclined supports 6, and L-shaped steel cross beams 4 are welded on the upper portions of the L-shaped steel pillars 3; the box-type rod fixing support 10 is composed of a threaded rod 7, an L-shaped movable fixing steel plate 11, a U-shaped notch base 9 and an adjustable bolt I5, the L-shaped movable fixing steel plate 11 can move up and down on the threaded rod 7, the U-shaped notch base 9 is installed on the flange of an L-shaped steel beam 4, the box-type rod fixing support 10 can adjust and move on the flange of the L-shaped steel beam 4 according to the position of a box-type unit side plate 12 of the steel truss arch bridge, the box-type unit side plate is fixed through the adjustable bolt I5, a box-type unit bottom plate 14 of the steel truss arch bridge can be fixed through the U-shaped notch bases 9 on two sides, then the box-type unit side plate 12 of the steel truss arch bridge is hoisted, the upper portion of the box-type unit side plate 12 of the steel truss arch bridge is fixed through the box-type rod fixing support 10, and the lower portion of the box-type unit side plate is fixed through an adjustable threaded sleeve support rod 13; the L-shaped movable fixing steel plate 11 is placed on the upper portion of a steel truss arch bridge box type unit side plate 12, the L-shaped movable fixing steel plate 11 and the threaded rod 7 are fixed through a fixing bolt 8, and after the L-shaped movable fixing steel plate 11 is preliminarily fixed on the steel truss arch bridge box type unit side plate 12, the steel truss arch bridge box type unit side plate 12 is further fixed through an adjustable bolt II 15 on the L-shaped movable fixing steel plate; welding construction is carried out after the steel truss arch bridge box type unit bottom plate 14 and the steel truss arch bridge box type unit side plate 12 are fixed, after the steel truss arch bridge box type unit bottom plate 14 and the steel truss arch bridge box type unit side plate 12 are welded, the adjustable bolt II 15 and the fixing bolt 8 are loosened, the position of the L-shaped movable fixing steel plate 11 is heightened and fixed in a 180-degree rotation mode, and finally the steel truss arch bridge box type unit top plate is hoisted and welded.
Claims (4)
1. The utility model provides a steel purlin arched bridge box unit welded platform device which characterized in that: including the concrete foundation, placed the steel bottom plate on the concrete foundation top surface, the interval welding has L shaped steel pillar on the steel bottom plate, L shaped steel pillar upper portion welding L shaped steel crossbeam, every L shaped steel crossbeam on all be connected with box member fixed bolster.
2. The steel truss arch bridge box type unit welding platform device as claimed in claim 1, wherein: the box member fixed bolster including threaded rod, the movable fixed steel sheet of L type, U type notch base and adjustable bolt one, the movable fixed steel sheet of L type reciprocate on the threaded rod, U type notch base fix the lower extreme at the threaded rod, U type notch base is installed on the L shaped steel crossbeam edge of a wing, wherein open threaded hole on the upper end curb plate of U type notch base, the lower extreme curb plate of U type notch base is located below the L shaped steel crossbeam edge of a wing, is equipped with adjustable bolt one in the threaded hole of upper end curb plate, compresses tightly the lower extreme curb plate on L shaped steel crossbeam edge of a wing and U type notch base through adjustable bolt one the edge of a wing of the movable fixed steel sheet of L type on be equipped with adjustable bolt two.
3. The steel truss arch bridge box type unit welding platform device as claimed in claim 2, wherein: the box-type member fixing support is used for adjusting and moving on the flange of the L-shaped steel beam according to the position of a box-type unit side plate of the steel truss arch bridge, the box-type unit bottom plate of the steel truss arch bridge is fixed by U-shaped notch bases on two sides, then the box-type unit side plate of the steel truss arch bridge is hoisted, the upper part of the box-type unit side plate of the steel truss arch bridge is fixed through the box-type member fixing support, and the lower part of the box-type unit side plate of the steel truss arch bridge is fixed through an adjustable threaded sleeve support rod; the L-shaped movable fixed steel plate is placed on the upper part of the box type unit side plate of the steel truss arch bridge, and the L-shaped movable fixed steel plate and the threaded rod are fixed through the fixed bolt; after the L-shaped movable fixed steel plate is used for preliminarily fixing the box type unit side plates of the steel truss arch bridge, the box type unit side plates of the steel truss arch bridge are further fixed through the adjustable bolts II on the L-shaped movable fixed steel plate; welding construction is carried out after steel purlin arch bridge box type unit bottom plate, steel purlin arch bridge box type unit curb plate are fixed to be accomplished, and after steel purlin arch bridge box type unit bottom plate, steel purlin arch bridge box type unit curb plate welding were accomplished, not hard up adjustable bolt and fixing bolt, heighten and 180 degrees rotatory fixings the movable fixed steel sheet position of L type, hoist and mount steel purlin arch bridge box type unit roof and welding at last.
4. The steel truss arch bridge box type unit welding platform device as claimed in claim 1, wherein: an inclined support is connected between the upper end of the L-shaped steel support and the steel bottom plate in a reinforcing manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120555847.1U CN214993135U (en) | 2021-03-18 | 2021-03-18 | Welding platform device for box-type units of steel truss arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120555847.1U CN214993135U (en) | 2021-03-18 | 2021-03-18 | Welding platform device for box-type units of steel truss arch bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214993135U true CN214993135U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120555847.1U Active CN214993135U (en) | 2021-03-18 | 2021-03-18 | Welding platform device for box-type units of steel truss arch bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214993135U (en) |
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2021
- 2021-03-18 CN CN202120555847.1U patent/CN214993135U/en active Active
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