CN216194062U - Temporary support structure - Google Patents
Temporary support structure Download PDFInfo
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- CN216194062U CN216194062U CN202122374359.3U CN202122374359U CN216194062U CN 216194062 U CN216194062 U CN 216194062U CN 202122374359 U CN202122374359 U CN 202122374359U CN 216194062 U CN216194062 U CN 216194062U
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- temporary support
- frame body
- arch rib
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Abstract
The utility model provides a temporary supporting structure which is used for temporarily supporting a special-shaped steel arch rib, wherein the special-shaped steel arch rib is formed by splicing a plurality of sections of ribs and comprises a plurality of temporary supports and a plurality of horizontal connecting beams, the plurality of temporary supports are arranged below the special-shaped steel arch rib along the extending direction of the special-shaped steel arch rib, the temporary supports are positioned at the connecting nodes of two adjacent sections of ribs, the plurality of horizontal connecting beams are arranged in parallel along the vertical direction of the temporary supports, the horizontal connecting beams are welded and fixed with at least two temporary supports, and the vertical projection of the horizontal connecting beams and the vertical projection of the special-shaped steel arch rib are at least partially overlapped and arc-shaped. A plurality of temporary supports arranged along the extending direction of the special-shaped steel arch rib are connected into a whole through the horizontal connecting beam, so that the temporary support structure is adaptive to the space posture of the special-shaped steel arch rib, the construction precision and the construction safety of the special-shaped steel arch rib are improved, and the construction quality is ensured.
Description
Technical Field
The utility model relates to the technical field of special-shaped steel arch rib construction, in particular to a temporary supporting structure for temporarily supporting a special-shaped steel arch rib.
Background
With the development of traffic construction, the technology of large-span bridges is dramatically improved. The arch bridge has incomparable curve shape and aesthetic feeling compared with other bridge types, so that designers can more easily give play to the aesthetic space of the bridge, and a plurality of large-span arch bridges are built in China in recent years. The construction of the large-span arch bridge shows that the main stress structure of the arch bridge, namely the arch rib, is a space curve, which brings great difficulty to the construction and installation of the arch bridge, and the construction method of the large-span steel arch bridge also affects the system conversion mode of the arch bridge to different degrees, and has great influence on the stress of the construction and the bridge forming stage of the arch bridge.
For the construction of the large-span special-shaped steel arch rib, the arch rib is generally folded by adopting a sectional splicing method, and the steel member is easy to deform when being poured with concrete, so that the construction difficulty is high, the support erection difficulty is high, and the safety is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a temporary supporting structure, which improves the construction precision and the construction safety of a special-shaped steel arch rib and ensures the construction quality.
In order to achieve the above object, the present invention provides a temporary supporting structure for temporarily supporting a special-shaped steel arch rib, wherein the special-shaped steel arch rib is formed by assembling a plurality of section ribs, and the temporary supporting structure includes a plurality of temporary supports and a plurality of horizontal connecting beams, the plurality of temporary supports are arranged below the special-shaped steel arch rib along an extending direction of the special-shaped steel arch rib, the temporary supports are located at connecting nodes of two adjacent section ribs, the plurality of horizontal connecting beams are arranged in parallel along a vertical direction of the temporary supports, the horizontal connecting beams are welded and fixed to at least two of the temporary supports, and a vertical projection of each horizontal connecting beam and a vertical projection of each special-shaped steel arch rib at least partially coincide and are arc-shaped.
Optionally, the temporary support includes the support body and fixes the operation platform at support body top, operation platform includes rail and bottom plate, the bottom plate is fixed in on the support body and part stretch out the support body, the rail encircle set up in around the bottom plate.
Optionally, the operation platform further comprises a plurality of steel pipes which are arranged transversely and longitudinally, the steel pipes partially extend out of the frame body and are welded and fixed with the frame body, and the bottom plate is erected on the steel pipes and the net-shaped structure formed by the frame body.
Optionally, the operating platform further comprises a plurality of support rods, and two ends of each support rod are respectively welded and fixed with the frame body and the part of the bottom rod extending out of the frame body.
Optionally, the temporary support structure further includes a fixing frame, the fixing frame is fixed on the operating platform, and the top surface of the fixing frame is attached to the bottom surface of the segment rib.
Optionally, the temporary support further comprises a concrete foundation fixed to the bottom of the frame body.
Optionally, the temporary support further comprises a plurality of embedded parts, each embedded part comprises an embedded steel plate and embedded steel bars, each embedded steel bar is embedded in the concrete foundation, the top end of each embedded steel bar is connected with the lower surface of the corresponding steel plate, the embedded steel plates are partially embedded in the concrete foundation, the upper surfaces of the embedded steel plates are exposed out of the concrete foundation, the upper surfaces of the embedded steel plates are welded and fixed with the support body, and mark points used for positioning the support body are arranged on the upper surfaces of the embedded steel plates.
Optionally, the support body is built by four pole settings and a plurality of horizontal pole and forms, four the pole setting is the matrix distribution, the both ends of horizontal pole respectively with adjacent two pole setting welded fastening.
Optionally, the support body still includes a plurality of bracing, the both ends of bracing are respectively through otic placode welded fastening in the horizontal pole with the junctional node of stand.
Optionally, the temporary support structure further comprises a ladder, and the ladder is arranged on one side of the temporary support and connected with the temporary support through a drawknot steel pipe.
The utility model provides a temporary supporting structure which is used for temporarily supporting a special-shaped steel arch rib, wherein the special-shaped steel arch rib is formed by splicing a plurality of sections of ribs and comprises a plurality of temporary supports and a plurality of horizontal connecting beams, the plurality of temporary supports are arranged below the special-shaped steel arch rib along the extending direction of the special-shaped steel arch rib, the temporary supports are positioned at the connecting nodes of two adjacent sections of ribs, the plurality of horizontal connecting beams are arranged in parallel along the vertical direction of the temporary supports, the horizontal connecting beams are welded and fixed with at least two temporary supports, and the vertical projection of the horizontal connecting beams and the vertical projection of the special-shaped steel arch rib are at least partially overlapped and arc-shaped. Through horizontal tie beam will follow a plurality of that the extending direction of dysmorphism steel arch rib set up temporary support connects for a whole, makes temporary support structure with the space gesture of dysmorphism steel arch rib suits, has improved the construction precision and the construction security of dysmorphism steel arch rib, and then has improved construction quality. In addition, the temporary supports are positioned at the connecting nodes of two adjacent segment ribs, so that the segment ribs can be welded and assembled conveniently.
Drawings
It will be appreciated by those skilled in the art that the drawings are provided for a better understanding of the utility model and do not constitute any limitation to the scope of the utility model. Wherein:
FIG. 1 is a perspective view of a temporary support structure provided by an embodiment of the present invention;
FIG. 2 is an elevation view of a temporary support structure provided by an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a temporary support provided in accordance with an embodiment of the present invention;
in the drawings:
1-a temporary scaffold; 2-horizontal tie beam;
10-a frame body; 11-an operating platform; 12-an inclined strut; 13-a support bar; 14-a fixing frame; 15-segment ribs; 16-concrete foundation; 17-embedded part.
Detailed Description
To further clarify the objects, advantages and features of the present invention, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It is to be noted that the drawings are in greatly simplified form and are not to scale, but are merely intended to facilitate and clarify the explanation of the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.
As used in this application, the singular forms "a," "an," and "the" include plural referents unless the content clearly dictates otherwise. As used in this disclosure, the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise. As used in this disclosure, the term "plurality" is generally employed in its sense including "at least one" unless the content clearly dictates otherwise. As used in this disclosure, the term "at least two" is generally employed in a sense including "two or more" unless the content clearly dictates otherwise. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or at least two of the features.
Referring to fig. 1-2, fig. 1 is a perspective view of a temporary support structure according to an embodiment of the present invention, and fig. 2 is a front view of the temporary support structure according to the embodiment of the present invention. This embodiment provides a temporary support structure for carry out interim support to dysmorphism steel arch rib, dysmorphism steel arch rib is assembled by a plurality of segmentation ribs and is formed, temporary support structure includes a plurality of temporary support 1 and a plurality of horizontal tie beam 2, and is a plurality of temporary support 1 follows the extending direction of dysmorphism steel arch rib set up in the below of dysmorphism steel arch rib, just temporary support 1 is located the connected node of two adjacent segmentation ribs, and is a plurality of horizontal tie beam 2 follows temporary support 1's vertical parallel arrangement, horizontal tie beam 2 with at least two temporary support 1 welded fastening, just horizontal tie beam 2 along vertical projection with dysmorphism steel arch rib along vertical projection at least partial coincidence and all be the arc.
Through horizontal tie beam 2 will follow the extending direction of dysmorphism steel arch rib sets up a plurality of temporary support 1 connects as a whole, makes temporary support 1 structure with the space gesture of dysmorphism steel arch rib suits, has improved the construction precision and the construction security of dysmorphism steel arch rib, and then has improved construction quality. In addition, the temporary support 1 is positioned at the connecting node of two adjacent segment ribs, so that the segment ribs can be welded and assembled conveniently.
The horizontal tie beam 2 provided by the embodiment is, for example, a truss structure formed by splicing a plurality of steel pipes, and can also adopt channel steel, and the application does not limit the structure at all.
Referring to fig. 3, fig. 3 is a schematic structural view of a temporary support 1 according to an embodiment of the present invention, where the temporary support 1 includes a support body 10 and an operating platform 11 fixed on the top of the support body 10, the operating platform 11 includes a fence and a bottom plate, the bottom plate is fixed on the support body 10 and partially extends out of the support body 10, and the fence is disposed around the bottom plate. Through the assorted operation platform is set up at the top of support body 10 to constructor carries out the construction, makes the construction operation face safer. In this embodiment, the enclosure is formed by welding steel pipes, for example, and the bottom plate is a steel plate, for example, and partially extends out of the frame body 10 to ensure a sufficiently large construction working surface.
In this embodiment, the support body 10 is built by four pole settings and a plurality of horizontal pole and forms, four the pole setting is the matrix distribution, the both ends of horizontal pole respectively with adjacent two pole setting welded fastening. It will be appreciated that the height of the temporary support 1 at different positions below the profiled steel arch rib is different, as the profiled steel arch rib has a certain arc shape, and the height of the uprights can be set according to specific needs. In this embodiment, the vertical rod and the horizontal rod can be made into standard sections in the shape of a cuboid or a cube, and the frame body 10 can be formed by overlapping a plurality of standard sections, which is not limited in this application.
Further, the frame body 10 further comprises a plurality of inclined struts 12, and two ends of each inclined strut 12 are respectively fixed to the joint of the cross rod and the upright rod through the ear plates. The strength and safety of the frame body 10 are improved by providing the inclined struts 12. In this embodiment, the inclined strut 12 is disposed at the opposite angle of the square structure formed by the cross bar and the vertical bar.
Further, the operation platform 11 further includes a plurality of steel pipes arranged in a horizontal and vertical manner, the steel pipe partially extends out of the frame body 10 and is welded and fixed with the frame body 10, and the bottom plate is erected on the steel pipe and a net structure formed by the frame body 10. The bottom rod is arranged to improve the stability and safety of the operation platform 11.
Furthermore, the operating platform 11 further includes a plurality of support rods 13, and two ends of the support rods 13 are welded and fixed to the frame body 10 and the portions of the bottom rods extending out of the frame body 10. The support rod 13 is arranged to improve the connection stability of the bottom rod and the frame body 10. In this embodiment, two ends of the supporting rod 13 are respectively welded and fixed to the vertical rod of the frame body 10 and the part of the bottom rod extending out of the frame body 10.
With reference to fig. 3, the temporary supporting structure further includes a fixing frame 14, and the fixing frame 14 is fixed on the operation platform 1 and has a top surface attached to the bottom surface of the segment rib 15. In this embodiment, the fixing frame 14 may be formed by welding steel members for supporting the segment ribs 15. It should be understood that, since the number of the segment ribs 15 is not only one, and the arc shapes of the bottom surfaces of the segment ribs 15 at different positions are different, the top of the fixing frame 14 is changed according to the shape of the bottom of the segment rib 15 to be supported, and the top surface of the fixing frame 14 and the bottom surface of the segment rib 15 to be supported correspondingly must be fitted to ensure the stability of the support.
In this embodiment, concrete is also poured into the segment ribs 15.
With continued reference to fig. 3, the temporary stand 1 further includes a concrete foundation 16 fixed to the bottom of the frame body 10. The concrete foundation 16 is used for increasing the dead weight of the temporary support 1, preventing the temporary support from toppling over and ensuring the stability in the construction process.
Specifically, the temporary support 1 further comprises a plurality of embedded parts 17, each embedded part 17 comprises an embedded steel plate and an embedded steel bar, each embedded steel bar is embedded in the corresponding concrete foundation 16, the top end of each embedded steel bar is connected with the lower surface of the corresponding steel plate, the embedded steel plates are partially embedded in the corresponding concrete foundation 16, the upper surfaces of the embedded steel plates are exposed out of the corresponding concrete foundation 16, the upper surfaces of the embedded steel plates are welded and fixed with the support body 10, and mark points used for positioning the support body 10 are arranged on the upper surfaces of the embedded steel plates.
In this embodiment, the temporary support structure further comprises a ladder stand, wherein the ladder stand is arranged on one side of the temporary support 1 and connected with the temporary support 1 through a drawknot steel pipe. Because temporary support 1 is higher, through set up the cat ladder near temporary support 1 so that constructor passes through the cat ladder arrives smoothly on the operation platform at temporary support 1 top, guarantee constructor's security. The ladder stand can adopt the scaffold, also can be welding steel ladder, and this application does not do any restriction to this.
The method for setting up the temporary support structure provided by the embodiment is as follows:
1) processing each temporary support 1 in a factory according to a design drawing, and then conveying to a construction site;
2) according to the building position of the temporary support 1, the concrete foundation 16 is cast in situ and can be formed by casting C30 concrete, and bidirectional double-row reinforcing steel bars are arranged in the concrete. When the concrete foundation 16 is poured, embedding the embedded part 17 to a specified position to be used as a welding point of the concrete foundation 16 and the upright post of the temporary support 1, marking on the embedded steel plate to be used as positioning for subsequently installing the temporary support 1;
3) mounting each temporary support 1 in place;
4) installing a horizontal connecting beam 2, wherein the horizontal connecting beam 2 is processed and manufactured in a factory according to a drawing like the temporary support 1, welding lug plates 14 are reserved at the butt joint positions of the temporary support 1 and the horizontal connecting beam 2 respectively, welding and fixing are only needed on site, and rib plates can be used for welding and reinforcing the butt joint positions;
5) and erecting a ladder stand. A floor type double-row steel pipe scaffold can be adopted, and the erection requirement meets the technical safety standard of fastener type steel pipe scaffold for building construction JGJ 130-2011;
6) and welding the inclined strut 12 on the temporary support 1 to complete the erection of the temporary support structure.
To sum up, the embodiment of the present invention provides a temporary support structure, wherein a plurality of temporary supports arranged along an extending direction of a deformed steel arch rib are connected into a whole by a horizontal connecting beam, so that the temporary support structure is adapted to a spatial posture of the deformed steel arch rib, the construction precision and the construction safety of the deformed steel arch rib are improved, and the construction quality is further improved. In addition, the temporary supports are positioned at the connecting nodes of two adjacent segment ribs, so that the segment ribs can be welded and assembled conveniently.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a temporary support structure for carry out interim support to dysmorphism steel arch rib, dysmorphism steel arch rib is assembled by a plurality of segmentation ribs and forms, its characterized in that, including a plurality of temporary support and a plurality of horizontal tie roof beam, a plurality of temporary support is followed the extending direction of dysmorphism steel arch rib set up in the below of dysmorphism steel arch rib, just the temporary support is located the connected node of two adjacent segmentation ribs, and is a plurality of horizontal tie roof beam is followed temporary support's vertical parallel arrangement, horizontal tie roof beam and at least two temporary support welded fastening, just horizontal tie roof beam along vertical projection with dysmorphism steel arch rib along vertical projection at least partial coincidence and all be the arc.
2. A temporary support structure as claimed in claim 1, wherein the temporary support comprises a frame body and an operation platform fixed on the top of the frame body, the operation platform comprises a rail and a bottom plate, the bottom plate is fixed on the frame body and partially extends out of the frame body, and the rail is arranged around the bottom plate.
3. A temporary support structure as claimed in claim 2, wherein the operation platform further comprises a plurality of steel pipes arranged in a transverse and longitudinal direction, the steel pipes partially extend out of the frame body and are welded and fixed with the frame body, and the bottom plate is erected on a net structure formed by the steel pipes and the frame body.
4. A temporary support structure as claimed in claim 3, wherein the operation platform further comprises a plurality of support rods, and two ends of the support rods are respectively welded and fixed to the frame body and the portion of the steel tube extending out of the frame body.
5. A temporary support structure according to claim 2, further comprising a fixture secured to the work platform with a top surface engaging a bottom surface of the section rib.
6. A temporary support structure as claimed in claim 2, wherein the temporary support frame further comprises a concrete foundation secured to the bottom of the frame body.
7. The temporary support structure of claim 6, wherein the temporary support further comprises a plurality of embedded parts, each embedded part comprises an embedded steel plate and an embedded steel bar, each embedded steel bar is embedded in the concrete foundation, the top end of each embedded steel bar is connected with the lower surface of the corresponding steel plate, each embedded steel plate is partially embedded in the concrete foundation, the upper surface of each embedded steel plate is exposed out of the concrete foundation, the upper surface of each embedded steel plate is welded and fixed with the support body, and the upper surface of each embedded steel plate is provided with a mark point for positioning the support body.
8. A temporary supporting structure as claimed in claim 2, wherein the frame body is constructed by four vertical rods and a plurality of cross rods, the four vertical rods are distributed in a matrix, and two ends of each cross rod are respectively welded and fixed with two adjacent vertical rods.
9. A temporary support structure as claimed in claim 8, wherein the frame body further comprises a plurality of diagonal braces, and two ends of each diagonal brace are respectively welded and fixed at the connecting nodes of the cross bars and the vertical bars through ear plates.
10. A temporary support structure according to claim 1, further comprising a ladder stand provided at one side of the temporary support and connected to the temporary support by a drawknot steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122374359.3U CN216194062U (en) | 2021-09-27 | 2021-09-27 | Temporary support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122374359.3U CN216194062U (en) | 2021-09-27 | 2021-09-27 | Temporary support structure |
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| CN216194062U true CN216194062U (en) | 2022-04-05 |
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| CN202122374359.3U Active CN216194062U (en) | 2021-09-27 | 2021-09-27 | Temporary support structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116005557A (en) * | 2022-12-05 | 2023-04-25 | 中铁上海工程局集团第一工程有限公司 | Method for mounting large-span flying swallow type basket steel box arch bridge space special-shaped arch rib structure |
-
2021
- 2021-09-27 CN CN202122374359.3U patent/CN216194062U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116005557A (en) * | 2022-12-05 | 2023-04-25 | 中铁上海工程局集团第一工程有限公司 | Method for mounting large-span flying swallow type basket steel box arch bridge space special-shaped arch rib structure |
| CN116005557B (en) * | 2022-12-05 | 2023-09-29 | 中铁上海工程局集团有限公司 | Method for mounting large-span flying swallow type basket steel box arch bridge space special-shaped arch rib structure |
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