CN221193018U - Curve steel box girder universal assembling jig frame - Google Patents
Curve steel box girder universal assembling jig frame Download PDFInfo
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- CN221193018U CN221193018U CN202322308726.9U CN202322308726U CN221193018U CN 221193018 U CN221193018 U CN 221193018U CN 202322308726 U CN202322308726 U CN 202322308726U CN 221193018 U CN221193018 U CN 221193018U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 137
- 239000010959 steel Substances 0.000 title claims abstract description 137
- -1 polytetrafluoroethylene Polymers 0.000 claims description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 12
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 12
- 238000003466 welding Methods 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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Abstract
The utility model discloses a universal assembling jig frame for a curved steel box girder, which comprises the following components: the two curved slide ways are arranged and extend according to the preset curved sliding direction of the steel box girder; the linear slide ways are arranged at two sides of each curve slide way at intervals, and guide the steel box girder to be pulled to a design position; the first upright posts are arranged below the curve slideway at intervals; the second upright posts are arranged below the linear slide rail at intervals; and the concrete expansion foundation is arranged below the first upright post and the second upright post. The utility model is beneficial to helping the steel box girder body to be pulled and positioned quickly, and improves the working efficiency.
Description
Technical Field
The utility model relates to the technical field of pushing of steel box girders, in particular to a universal assembling jig frame for a curved steel box girder.
Background
In recent years, highway construction industry in China rapidly develops, the bridge construction scale as an important component of highway construction is continuously enlarged, the construction speed is also accelerated, the pushing technology of the steel box girder of the highway bridge plays a very key role in road construction, and the construction is rapid and convenient, so that labor force and equipment are greatly saved, meanwhile, the force of the girder body in the horizontal direction for reciprocative property generated by the pier body during pushing is overcome, the displacement of the pier top can be reduced to the minimum by continuous pushing, and the construction quality of the bridge body is ensured, so that the method is widely applied.
The working principle of the steel box girder pushing method is that an assembling jig is arranged at the rear part of a pushed girder body, the girder body is prefabricated on the assembling jig in sections, and the girder body is pushed by a pushing jack to slide forwards section by section on each pier top slideway until the girder is formed. At present, the steel box girder pushing construction technology is more in working conditions for pushing the linear steel box girders, and for curved working conditions, the linear control is more difficult, so that the application is less. After the welding of the assembly jig frame is completed, the steel box girder body needs to be moved to the rear end of the upper section of the steel box girder body for contraposition welding, if a traditional linear steel box girder mode is still adopted, namely, a jack is pushed, and a sliding shoe is matched with a method of limiting sliding on a slideway, the distance of each movement is limited by matching with a curve linear slideway, and the plane gesture of the steel girder needs to be continuously adjusted by adopting the jack, so that the working efficiency is low.
Disclosure of Invention
The utility model discloses a universal assembling jig frame for a curved steel box girder, which is beneficial to helping a steel box girder body to be pulled in place quickly and improving the working efficiency.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
A curved steel box girder universal assembly jig frame, comprising:
The two curved slide ways are arranged and extend according to the preset curved sliding direction of the steel box girder;
the linear slide ways are arranged at two sides of each curve slide way at intervals, and guide the steel box girder to be pulled to a design position;
the first upright posts are arranged below the curve slideway at intervals;
The second upright posts are arranged below the linear slide rail at intervals;
And the concrete expansion foundation is arranged below the first upright post and the second upright post.
Further, a transverse connection is connected between the first upright post and the second upright post, and between the second upright post and the second upright post, which are adjacent to each other in the transverse arrangement.
Further, the device also comprises a slideway supporting jack which is arranged at intervals below the linear slideway positioned outside the curve slideway;
and a concrete expansion foundation is arranged below the slideway supporting jack.
Further, the first upright post comprises a first upright post bottom plate, a first upright post column body and a first upright post top plate which are connected from bottom to top; the first upright post bottom plate is connected with an embedded part in the concrete expansion foundation; and the first stiffening plate is fixedly connected with the connecting position of the first upright column body and the first upright column bottom plate and/or the first upright column top plate.
Further, the second upright post comprises a second upright post bottom plate, a second upright post column body and a second upright post top plate which are connected from bottom to top; the second upright post bottom plate is connected with an embedded part in the concrete expansion foundation; and a second stiffening plate is fixedly connected at the connection position of the second upright post body and the second upright post bottom plate and/or the second upright post top plate.
Further, the curve slideway comprises curve slideway I-steel side plates, curve slideway top plates and diaphragm plates, wherein the two groups of the curve slideway I-steel side plates are arranged, the top ends of the curve slideway I-steel side plates are connected through the curve slideway top plates, and the diaphragm plates are connected at intervals at the vertical clearance positions.
Further, the linear slide comprises a first linear slide positioned at the outer side of the curved slide and a second linear slide positioned at the inner side of the curved slide, the first linear slide comprises a first linear slide I-shaped steel rail Liang Hedi and a linear slide top plate, two groups of first linear slide I-shaped steel rail beams are arranged and are transversely connected together, and the first linear slide top plate is fixedly connected with the first linear slide top plate;
The second linear slideway comprises a second linear slideway I-shaped steel track beam and a second linear slideway top plate, wherein the second linear slideway I-shaped steel track beam is provided with two groups which are transversely connected together, and the second linear slideway top plate is fixedly connected on the second linear slideway I-shaped steel track beam; or the second linear slideway comprises a group of second linear slideway I-steel track beams.
Further, the novel high-strength steel plate comprises a sliding plate combination, wherein the sliding plate combination comprises a steel backing plate and a polytetrafluoroethylene sliding plate, and the steel backing plate is arranged below the polytetrafluoroethylene sliding plate.
The universal assembling jig frame for the curved steel box girder is provided with a first upright post, a second upright post, a curved slideway and a linear slideway, wherein the curved slideway and the linear slideway are respectively provided with a steel backing plate and a polytetrafluoroethylene sliding plate in a padding mode, and the steel box girder body is supported by a pushing jack in a matched manner to finish welding assembling; after the welding of the assembly jig frame is finished, when the steel box girder body needs to be moved to the rear end of the upper section of steel box girder body, the assembled steel box girder body is pulled to the designed position in sections along the linear slideway by a pulling device by means of the linear slideway upper steel padding plate and the polytetrafluoroethylene sliding plate. The linear slideway can prevent the beam body of the curved steel box girder from overturning due to excessive deflection of the beam body of the curved steel box girder, and can enable the single-section steel box girder to directly slide instead of being curved, so that the traction speed is increased, and the construction efficiency is improved. And the curve slideway can support the steel box girder to slide or deviate according to the line type when the multi-section steel box girder body is welded and integrally pushed. The matching of the linear slide way and the curve slide way effectively improves the working efficiency of pulling the single-section steel box girder Liang Tiqian into position under the curve working condition, and can complete the pushing in-position construction of the curve steel box girder body in a matched manner.
Drawings
Fig. 1 is a schematic view of the front view of the present utility model (illustrating the outermost linear ramp portion thereof).
Fig. 2 is a schematic top view of the present utility model.
Fig. 3 is a schematic front view of one of the sections of the assembled carcass (illustrating the outermost linear ramp portion thereof).
Fig. 4 is a schematic top view of one of the sections of the assembled tire frame.
Fig. 5 is a schematic view of the cross-sectional A-A structure of fig. 1.
Fig. 6 is a schematic structural view of the connection of the first upright and the curved slideway.
In the figure, a straight slide 1, a concrete enlarged foundation 2, a second upright 3, a slide supporting jack 4, a pushing jack 5, a steel box girder body 6, a first upright 7, a first upright column 701, a first stiffening plate 702, a first upright top plate 703, a cross tie 8, a curve slide 9, a curve slide top plate 901, a diaphragm 902 and a curve slide I-steel side plate 903.
Description of the embodiments
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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.
In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present utility model.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The utility model provides a bed-jig is assembled to curve steel case roof beam universal, as shown in fig. 1-4, includes curve slide 9, sharp slide 1, first stand 7, second stand 3 and concrete expansion basis 2, wherein: the two curved slide ways 9 are arranged and extend along the preset curved sliding direction of the steel box girder, namely, the steel box girder body 1 slides along the curved slide ways 9 according to the curved line type design of the steel box girder body 6, so that the design position can be reached. The linear slide ways 1 are arranged at intervals on two sides of each curve slide way 9, so that the steel box girder is guided to be pulled to a designed position, one linear slide way 1 or two or more linear slide ways can be arranged on each side of the curve slide ways 9 along the sliding direction of the steel box girder body 1, the number of the assembled sections of the steel box girder body can be determined according to the number of the assembled sections of the girder, namely, under the traction of a pulling device, the steel box girder body of a single section can be guided to slide along one section or two or more sections of the linear slide ways, finally, the steel box girder body of the upper section 6 is reached, as shown in fig. 2, each side of the curve slide ways 9 is provided with 2 linear slide ways, the assembled area is also divided into two split-block assembled areas, one split-block assembled area can be assembled with 2 linear slide ways on each side of the curve slide ways 9 according to requirements, and the two split-block assembled areas are shown in fig. 3 and 4, namely, the schematic diagrams of the previous split-block assembled area are arranged on each side of the curve slide ways 9; of course, in the transverse position, i.e. in the front-to-rear direction as shown in fig. 2, on one side of each curved runner 9, each section is supported by one straight runner 1, and if the steel box girder body 6 is heavy, it is conceivable to design more straight runners 1. The first upright posts 7 are arranged below the curve slideway 9 at intervals and are used for supporting the curve slideway 9, and are longitudinally arranged as a whole, namely, the extending direction of the curve slideway 9. The second upright posts 3 are arranged below the linear slide ways 1 at intervals and are used for supporting the linear slide ways 1, and are longitudinally arranged as a whole, namely, the extending direction of the linear slide ways 1. A concrete enlarged foundation 2 is provided under the first and second uprights 7, 3 to increase the load carrying capacity of the foundation.
For the linear slide way 1 on the same side, it is required to say that the two blocks are separated from each other at the corners of the splicing areas, and the steel box girder body 6 can be overhanging out at the corners, and is directly connected with the next linear slide way 1 to continue to stretch along the other line. The separated parts of the two linear slide ways 1 can be provided with pushing jacks 5 for bearing the steel box girder body 6, and meanwhile, the steel box girder pushing operation can be realized in the follow-up pushing construction.
Further, as shown in fig. 5, a cross connection 8 is connected between the first upright 7 and the second upright 3 and between the second upright 3 and the second upright 3, that is, in the front-rear direction shown in fig. 2 and 4, the cross connection 8 penetrates through the whole row of upright structures, of course, the second upright 3 is correspondingly arranged at two sides of the first upright 7, and is basically on a straight line, the cross connection 8 enables the whole assembly jig frame to be better in integrity, the connection is more stable, the curve slideway 9 and the straight slideway 1 are not easy to deviate or incline, and the general cross connection 8 is connected at the top ends of the first upright 7 and the second upright 3, so that stable support can be better formed on the curve slideway 9 and the straight slideway 1. The cross connection 8 can be made of I-steel, and the I25I-steel is adopted in the embodiment.
Further, the device also comprises a slideway supporting jack 4 which is arranged at intervals below the linear slideway 1 positioned outside the curve slideway 9; the linear slideway 1 positioned outside the curve slideway 9 bears more force for preventing the steel box girder body 6 from turning over, and is arranged below the linear slideway 1 positioned outside the curve slideway 9; generally, a slide supporting jack 4 is arranged between the two second upright posts 3, and the slide supporting jack 4 flexibly supports the linear slide way 1 upwards, so that the linear slide way 1 can be better prevented from being stressed and sinking. A concrete expansion foundation 2 is also arranged below the slideway supporting jack 4, so that the bearing capacity of the foundation is increased.
Further, as shown in fig. 6, the first upright 7 includes a first upright bottom plate, a first upright column 701 and a first upright top plate 703 connected from bottom to top; the first upright post bottom plate is connected with an embedded part in the concrete expansion foundation 2, generally, bolts can be embedded in the concrete expansion foundation 2, the first upright post bottom plate is made of steel plates, bolt holes are formed in the first upright post bottom plate in a penetrating mode, the embedded bolts penetrate through the bolt holes, and then nuts are used for screwing; the first upright post column 701 adopts a steel pipe, the lower end of the steel pipe is welded with the first upright post bottom plate, the upper end of the steel pipe is welded with the first upright post top plate 703, the first upright post top plate 703 is also made of a steel plate, and the steel pipe is attached to the bottom surface of the curve slideway 9; the first stiffening plate 702 is fixedly connected to the connecting position of the first upright bottom plate and/or the first upright top plate 703, the first stiffening plate 702 is made of steel plates and is in a right triangle shape, one side of the right angle is connected with the first upright bottom plate or the first upright top plate 703, the other side of the right angle is connected with the first upright column body 701, and the first stiffening plate 702 reinforces the connecting position, so that the first upright column 7 supports the curve slideway 9 more stably.
Further, similar to the structure of the first upright 7, the second upright 3 comprises a second upright bottom plate, a second upright column body and a second upright top plate which are connected from bottom to top; the second upright post bottom plate is connected with an embedded part in the concrete expansion foundation; and a second stiffening plate is fixedly connected at the connection position of the second upright post body and the second upright post bottom plate and/or the second upright post top plate. Since the structure of the first column 7 is similar to that of the first column 7, it should be noted that, since there are a plurality of linear slides 1, the load bearing requirement of the linear slide 1 is lower than that of the curved slide 9, so that the cross section of the linear slide 1 is narrower, and the corresponding steel pipe used by the second column body is generally smaller in diameter than that of the steel pipe used by the first column body 701, and the second stiffening plate is also arranged at the connection position of the second column body and the second column bottom plate or the second column top plate as required.
Further, as shown in fig. 6, the curved slideway 9 includes a curved slideway i-steel side plate 903, a curved slideway top plate 901 and a diaphragm 902, the curved slideway i-steel side plate 903 is provided with two groups of i-steels, which are arranged in parallel, the top ends of the two groups of i-steels are connected through the curved slideway top plate 901, the curved slideway top plate 901 is welded on the curved slideway i-steel side plate 903 to form a plane, which is convenient for placing a slide plate to bear the steel box girder body 6 to slide, the diaphragm 902 is connected at the vertical clearance position of the curved slideway i-steel side plate 903 at intervals, and is arranged along the extending direction of the curved slideway 9, and the diaphragm can enhance the bearing capacity of the curved slideway 9 and prevent the curved slideway 9 from deforming in the process of pushing the steel box girder.
Further, the straight slide 1 includes the first straight slide that is located the curve slide 9 outside and the second straight slide that is located the curve slide 9 inboard, first straight slide includes first straight slide I-steel track Liang Hedi straight slide roof, first straight slide I-steel track roof beam is provided with two sets of, closely arrange, transverse connection is in the same place, first straight slide I-steel track roof beam adopts two to piece together I-steel, because the first straight slide that is located the outside needs to bear more and prevents the power that steel box girder body 6 turned on one's side, therefore two piece together I-steel is more firm, fixedly connected with first straight slide roof above the I-steel to form the plane and conveniently place the slide combination.
The second linear slideway comprises a second linear slideway I-shaped steel track beam and a second linear slideway top plate, the second linear slideway I-shaped steel track beam is provided with two groups which are transversely connected together, the second linear slideway top plate is fixedly connected above the second linear slideway I-shaped steel track beam, of course, the second linear slideway can adopt the same structure as the first linear slideway, but the second linear slideway can also only adopt a group of second linear slideway I-shaped steel track beams due to lower bearing requirement.
Further, still include the slide combination, the slide combination includes steel backing plate and polytetrafluoroethylene slide, and the steel backing plate sets up in polytetrafluoroethylene slide's below, and steel backing plate can guarantee to stably bear steel case girder body 6, makes polytetrafluoroethylene slide support steel case girder 7, and polytetrafluoroethylene slide frictional force is low, can guarantee that steel case girder body 6 realizes fast movement under the effect of traction device.
The traction device for pulling the steel box girder body 6 to slide can adopt a combination of a steel clamping seat, an anchor, a reaction frame and a horizontal penetrating jack, wherein the steel clamping seat is clamped at the tail end of the steel box girder body 6 and is fixedly provided with the anchor, the reaction frame is arranged at the outer side of the linear slideway 1 or the curved slideway 9, the horizontal penetrating jack is fixedly arranged at the rear, the rear end of a steel strand is fixedly arranged by the anchor, the front end of the steel strand penetrates through the reaction frame and is arranged to the horizontal penetrating jack, and the horizontal penetrating jack pulls and pulls the steel box girder body 6 to slide along the linear slideway 1.
During assembly, the curved slide way 9 and the linear slide way 1 are padded with a steel backing plate and a polytetrafluoroethylene slide plate, and are matched with the pushing jack 5 to support the steel box girder body 6 so as to finish welding assembly; after the welding of the assembly jig frame is finished, the steel box girder body 6 is required to be moved to the rear end of the upper section of steel box girder body 6, a steel backing plate and a polytetrafluoroethylene sliding plate are padded on the linear slide way 1, and then the assembled steel box girder body 6 is pulled to the design position in a segmented mode along the linear slide way 1 by a pulling device. The linear slideway 1 can prevent the beam body from overturning caused by excessive deflection of the curved steel box girder body 6, and can enable the single-section steel box girder body 6 to slide straightly instead of bending, so that the traction speed is increased, and the construction efficiency is improved. And the curve slideway 9 can support the steel box girder to slide or deviate according to the line type when the multi-section steel box girder body 6 is welded and integrally pushed.
Claims (8)
1. The utility model provides a bed-jig is assembled to curve steel case roof beam universal which characterized in that includes:
The two curved slide ways are arranged and extend according to the preset curved sliding direction of the steel box girder;
the linear slide ways are arranged at two sides of each curve slide way at intervals, and guide the steel box girder to be pulled to a design position;
the first upright posts are arranged below the curve slideway at intervals;
The second upright posts are arranged below the linear slide rail at intervals;
And the concrete expansion foundation is arranged below the first upright post and the second upright post.
2. The curvilinear steel box girder universal splice jig of claim 1, wherein:
And transverse links are connected between the first upright posts and the second upright posts and between the second upright posts and the second upright posts which are adjacent to each other in the transverse direction.
3. The curvilinear steel box girder universal splice jig of claim 1, wherein:
the device also comprises a slideway supporting jack which is arranged below the linear slideway positioned outside the curve slideway at intervals;
and a concrete expansion foundation is arranged below the slideway supporting jack.
4. The curvilinear steel box girder universal splice jig of claim 1, wherein:
The first upright post comprises a first upright post bottom plate, a first upright post column body and a first upright post top plate which are connected from bottom to top; the first upright post bottom plate is connected with an embedded part in the concrete expansion foundation; and the first stiffening plate is fixedly connected with the connecting position of the first upright column body and the first upright column bottom plate and/or the first upright column top plate.
5. The curvilinear steel box girder universal splice jig of claim 1, wherein:
The second upright post comprises a second upright post bottom plate, a second upright post column body and a second upright post top plate which are connected from bottom to top; the second upright post bottom plate is connected with an embedded part in the concrete expansion foundation; and a second stiffening plate is fixedly connected at the connection position of the second upright post body and the second upright post bottom plate and/or the second upright post top plate.
6. The curvilinear steel box girder universal splice jig of claim 1, wherein:
The curve slideway comprises a curve slideway I-steel side plate, a curve slideway top plate and a diaphragm plate, wherein the curve slideway I-steel side plate is provided with two groups, the top ends of the curve slideway I-steel side plates are connected through the curve slideway top plate, and the diaphragm plate is connected at intervals at the vertical clearance position.
7. The curvilinear steel box girder universal splice jig of claim 1, wherein:
The linear slideway comprises a first linear slideway positioned at the outer side of the curved slideway and a second linear slideway positioned at the inner side of the curved slideway, the first linear slideway comprises a first linear slideway I-shaped steel rail Liang Hedi and a linear slideway top plate, two groups of first linear slideway I-shaped steel rail beams are transversely connected together, and the first linear slideway top plate is fixedly connected with the first linear slideway top plate;
The second linear slideway comprises a second linear slideway I-shaped steel track beam and a second linear slideway top plate, wherein the second linear slideway I-shaped steel track beam is provided with two groups which are transversely connected together, and the second linear slideway top plate is fixedly connected on the second linear slideway I-shaped steel track beam; or the second linear slideway comprises a group of second linear slideway I-steel track beams.
8. The curvilinear steel box girder universal splice jig of claim 1, wherein:
The novel sliding plate assembly comprises a steel backing plate and a polytetrafluoroethylene sliding plate, and the steel backing plate is arranged below the polytetrafluoroethylene sliding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322308726.9U CN221193018U (en) | 2023-08-28 | 2023-08-28 | Curve steel box girder universal assembling jig frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322308726.9U CN221193018U (en) | 2023-08-28 | 2023-08-28 | Curve steel box girder universal assembling jig frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221193018U true CN221193018U (en) | 2024-06-21 |
Family
ID=91526871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322308726.9U Active CN221193018U (en) | 2023-08-28 | 2023-08-28 | Curve steel box girder universal assembling jig frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221193018U (en) |
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2023
- 2023-08-28 CN CN202322308726.9U patent/CN221193018U/en active Active
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