CN116084315A - Portal frame for connecting inclined upright column flange plate with cross beam - Google Patents
Portal frame for connecting inclined upright column flange plate with cross beam Download PDFInfo
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- CN116084315A CN116084315A CN202211718211.XA CN202211718211A CN116084315A CN 116084315 A CN116084315 A CN 116084315A CN 202211718211 A CN202211718211 A CN 202211718211A CN 116084315 A CN116084315 A CN 116084315A
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- portal
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/696—Overhead structures, e.g. gantries; Foundation means specially adapted therefor
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Abstract
The invention discloses a portal frame for connecting an inclined upright post flange plate with a cross beam, and relates to the field of portal frame flange plate connection. The utility model provides a portal that oblique stand ring flange is connected with the crossbeam, includes portal stand, bottom plate, portal crossbeam and portal tie-beam, still includes: the connecting column transversely penetrates through the upper side of the portal stand column and is welded with the portal stand column; the invention can generate friction force between the upright post flange disc and the beam flange disc and oblique upward supporting force on the door frame beam, so that the connection between the upright post flange disc and the beam flange disc is more stable; meanwhile, the position of the beam flange disc can be quickly adjusted, so that the mounting process is more convenient and quick; the connection aesthetic property of the portal stand column and the portal beam is also improved, water accumulation is not easy to occur on the surfaces of the stand column flange disc and the beam flange disc, and the service life and the stability are greatly improved.
Description
Technical Field
The invention belongs to the technical field of portal flange connection, and particularly relates to a portal for connecting an inclined upright post flange with a cross beam.
Background
The portal is arranged on the existing highway at intervals, one end of the portal is generally spaced from the other end of the portal, the portal is firstly used for arranging speed limiting probes to speed, the portal is secondly used for arranging an LED electronic display screen and providing information prompts for drivers in the past, the portal is thirdly used for arranging ETC charging equipment, the portal in the prior art is mainly composed of upright posts, cross beams, connecting beams, flanges and other parts, the upright posts are erected on two sides of the highway, the cross beams are arranged between the two upright posts through the flanges, the connecting beams are arranged between the two rows of cross beams and used for supporting the cross beams, and meanwhile, the portal is also used for installing equipment and monitoring and prompting vehicles on the highway.
The upright post flange and the beam flange of the portal frame product are basically connected by horizontal bolts, the connection mode has higher construction requirements and complex later maintenance, when the horizontal direction flange is in butt joint with the mounting bolts, the requirement on the mounting position is higher, the traction equipment is required to be used for traction of the beam and the alignment of the flange bolt holes and then fastening is carried out, the flange is required to be adjusted for multiple times in the process, when the mounting mode is used on a high-speed road section, the mounting time is longer, the ground traffic is influenced, and therefore, the mounting efficiency is required to be further improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a portal frame for connecting an inclined upright post flange plate and a cross beam, which can overcome the problems or at least partially solve the problems.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that: the utility model provides a portal that oblique stand ring flange and crossbeam are connected, includes portal stand, bottom plate, portal crossbeam and portal tie beam, the bottom plate welding is in the bottom of portal stand for it is fixed with ground connection, the portal stand symmetry is equipped with two sets of, the portal crossbeam is connected between every two portal stands of group, portal tie beam symmetrical connection is between two portal crossbeams, still includes: the connecting column transversely penetrates through the upper side of the portal stand column and is welded with the portal stand column; the upright post flange disc is obliquely and fixedly connected to one end of each of the two connecting posts, which is close to each other; the beam flange discs are symmetrically and obliquely connected to two ends of the portal beam, and the inclination angle is matched with that of the upright post flange discs; the upright column flange disc is fixedly connected with the cross beam flange disc through a fixing bolt.
In order to be convenient for carry out nimble regulation to the position of crossbeam flange disc according to the distance that sets up between the portal stand, further, the crossbeam flange disc is close to the lateral fixedly connected with of one side of portal crossbeam and connects the steel pipe, the both ends symmetry fixedly connected with screw thread post of portal crossbeam, the screw thread post passes through screw thread rotation to be connected in connecting the steel pipe, the diameter of portal crossbeam, screw thread post is the same with the internal diameter of connecting the steel pipe.
In order to avoid when carrying out position control to the crossbeam flange disc, dislocation takes place for the position of two crossbeam flange discs to lead to follow-up when carrying out the butt joint with stand flange disc, can't dock because of the angle deviation, still further, two connect the equal fixedly connected with connecting plate of one end downside that the steel pipe is close to each other, two be equipped with spacing sleeve between the connecting plate, symmetry sliding connection has the gag lever post in the spacing sleeve, two the one end that the gag lever post is kept away from each other respectively with adjacent connecting plate fixed connection.
In order to facilitate the rotation of the portal beam by the staff, the slipping of the staff due to the hands or tools and the surface of the portal beam is avoided, and furthermore, anti-slip rings are symmetrically and fixedly connected to the two sides of the surface of the portal beam.
In order to facilitate improvement of the overall stability of the portal, the connecting column, the upright column flange disc, the cross beam flange disc, the connecting steel pipe, the portal cross beam, the threaded column, the connecting steel pipe, the connecting plate and the limiting rod are welded and fixed through welding machines respectively.
In order to be convenient for carry out quick assembly disassembly to the door frame tie-beam, furthermore, the terminal surface of door frame tie-beam is intrados design, the tip of door frame tie-beam closely pastes with adjacent connection steel pipe through intrados, the tip of door frame tie-beam is connected with the arc cardboard through pivot symmetry rotation, two the arc cardboard passes through the inseparable joint of connecting bolt on the connection steel pipe.
In order to be convenient for carry out nimble regulation to the interval of two portal tie-beams to can be applicable to the portal of different width specifications, still further, two equidistant a plurality of adapter sleeve that are equipped with between the portal tie-beam, adapter sleeve's bilateral symmetry sliding connection has two connecting rods, two the one end that the connecting rod kept away from each other is respectively with adjacent portal tie-beam fixed connection.
In order to be convenient for play spacing effect to two portal tie-beams, make it more stable when carrying the portal tie-beam, still further, wherein outermost between the adapter sleeve and the connecting rod that matches with it pass through threaded rotation and connect.
In order to bring convenience to the anti-slip effect to the hands of the staff or the rotating tool, thereby facilitating the staff to rotate the connecting sleeve more stably, and further, the outermost connecting sleeve is fixedly connected with an anti-slip ring on the surface.
In order to be convenient for play the effect of keeping off the rain to stand flange disc and crossbeam flange disc, avoid the fixing bolt rainwater between stand flange disc and the crossbeam flange disc to rust, furthermore, one side fixedly connected with weather proof canopy that the top of portal stand is close to the portal crossbeam, the outside at stand flange disc and crossbeam flange disc is established to the weather proof canopy cover.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects: according to the invention, the upright post flange disc and the beam flange disc are connected by adopting the inclined plane, so that the gravity of the portal beam can be utilized to generate friction force between the upright post flange disc and the beam flange disc and support force on the portal beam in an inclined direction, thereby ensuring the connection stability between the upright post and the portal beam; meanwhile, the position of the beam flange disc can be quickly adjusted, so that the mounting process is more convenient and quick; the aesthetic property of being connected of portal stand and portal crossbeam has also been promoted to when raining, the stand flange disc that the slope set up is difficult for ponding with the crossbeam flange disc, and rivers can be discharged fast along the inclined plane, and life and stability have all obtained promoting by a wide margin.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic diagram of a portal frame with a diagonal column flange plate connected with a cross beam;
fig. 2 is a schematic structural view of a portal frame removing rain-proof shed with a diagonal column flange plate connected with a beam;
fig. 3 is a schematic cross-sectional structure diagram of a portal center pillar flange, a beam flange, a connecting steel pipe, a portal beam, a threaded column, a limit sleeve and a limit rod, wherein the portal center pillar flange, the beam flange, the connecting steel pipe, the portal beam, the threaded column, the limit sleeve and the limit rod are connected with the beam;
fig. 4 is a schematic structural view of a portion a in fig. 2 of a portal in which an oblique column flange is connected with a beam;
FIG. 5 is a schematic view of the structure of the portion B of FIG. 3 of a portal in which an oblique column flange is connected to a cross beam;
fig. 6 is a schematic diagram of an explosion structure of a connecting sleeve, a connecting rod and an anti-slip ring in a portal where an oblique column flange plate is connected with a cross beam.
In the figure: 1. a portal column; 101. a bottom plate; 102. a connecting column; 103. a rain-proof shed; 2. a column flange disc; 3. a gantry beam; 301. an anti-slip ring; 4. a beam flange disc; 5. a fixing bolt; 6. connecting steel pipes; 7. a threaded column; 8. a connecting plate; 9. a limit sleeve; 10. a limit rod; 11. the portal frame is connected with the beam; 12. an arc-shaped clamping plate; 13. a connecting bolt; 14. a connection sleeve; 1401. an anti-slip ring; 15. and (5) connecting a rod.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
Example 1:
referring to fig. 1-6, a portal that inclined column flange and crossbeam are connected, including portal stand 1, bottom plate 101, portal crossbeam 3 and portal tie beam 11, bottom plate 101 welds in the bottom of portal stand 1 for with ground connection is fixed, portal stand 1 symmetry is equipped with two sets of, and portal crossbeam 3 is connected between two portal stands 1 of every group, and portal tie beam 11 symmetry is connected between two portal crossbeams 3, still includes: the connecting column 102 transversely penetrates through the upper side of the portal stand column 1 and is welded between the portal stand column 1; the upright column flange disc 2 is obliquely and fixedly connected to one end of the two connecting columns 102, which are close to each other; the beam flange discs 4 are symmetrically and obliquely connected to the two ends of the portal beam 3, and the inclination angle is matched with that of the upright column flange disc 2; the upright column flange disc 2 is fixedly connected with the cross beam flange disc 4 through a fixing bolt 5.
When the portal is installed, at the moment, staff firstly transport each part on the portal to the appointed road side, then two groups of portal upright posts 1 are respectively erected on two sides of the road, then a bottom plate 101 at the bottom of the portal upright post 1 is fixed on the ground through ground bolts, so that the fixed installation of the portal upright post 1 can be completed, then a portal cross beam 3 is lifted by traction equipment to be positioned at the middle position of an upright post flange disc 2 on each group of two portal upright posts 1, and as the upright post flange disc 2 is obliquely connected to a connecting column 102 on the portal upright post 1, a cross beam flange disc 4 is obliquely connected to two sides of the portal cross beam 3, when the traction equipment is controlled to slowly fall down on the portal cross beam 3, the cross beam flange disc 4 can be located on the upright post flange disc 2, then the upright post flange disc 2 and the cross beam flange disc 4 can be fixed through the fixing bolts 5, the installation work of the portal can be completed, and the portal cross beam 3 can be connected by adopting inclined planes, so that friction force is generated between the upright post flange disc 2 and the cross beam flange disc 4 and the cross beam flange disc 3 and the cross beam 3 and the portal cross beam 3 are more firmly connected to the portal cross beam 3; meanwhile, the position of the beam flange disc 4 can be quickly adjusted, so that the mounting process is more convenient and quick; the connection aesthetic property of the portal stand column 1 and the portal beam 3 is also improved, and in raining, the stand column flange disc 2 and the beam flange disc 4 which are obliquely arranged are not easy to accumulate water, water flow can be rapidly discharged along the inclined plane, and the service life and the stability are greatly improved; it should be noted that, in order to ensure that the installation and connection of the fixing bolts 5 are not affected by the obliquely arranged column flange disc 2 and the beam flange disc 4, the inclination angle of the column flange disc 2 and the beam flange disc 4 may be controlled within the range of 5 ° -10 ° so that the fixing bolts 5 can be stably installed.
Example 2:
referring to fig. 1-6, a portal for connecting a diagonal column flange to a beam is substantially the same as in embodiment 1, and further: the beam flange disc 4 is fixedly connected with a connecting steel pipe 6 in the transverse direction on one side close to the portal beam 3, two ends of the portal beam 3 are symmetrically and fixedly connected with threaded columns 7, the threaded columns 7 are connected in the connecting steel pipe 6 through threads in a rotating mode, the diameters of the portal beam 3 and the threaded columns 7 are the same as the inner diameter of the connecting steel pipe 6, when the portal beam 3 and the portal beam 1 are spliced through the arrangement of the connecting steel pipe 6 and the threaded columns 7, the distance between the two beam flange discs 4 can be correspondingly adjusted according to the distance between each group of two portal columns 1, compared with the mode that the beam flange disc 4 and the portal beam 3 are directly and fixedly connected in the prior art, the application range is wider, the position of the beam flange disc 4 can be flexibly adjusted according to the distance between the portal columns 1, the beam 3 with corresponding lengths is cut without being produced according to the distance between the portal columns 1, the cost can be reduced, and the work efficiency of installing the portal can be improved;
the lower sides of one ends of the two connecting steel pipes 6, which are close to each other, are fixedly connected with connecting plates 8, a limiting sleeve 9 is arranged between the two connecting plates 8, limiting rods 10 are symmetrically and slidably connected in the limiting sleeve 9, one ends of the two limiting rods 10, which are far away from each other, are respectively and fixedly connected with the adjacent connecting plates 8, the limiting effect of the two beam flange discs 4 can be achieved through the arrangement of the connecting plates 8, the limiting sleeve 9 and the limiting rods 10, the dislocation of the positions of the two beam flange discs 4 is avoided when the position of the beam flange discs 4 is adjusted, and therefore the subsequent butt joint with the upright flange discs 2 is avoided due to the angle deviation, the position angle of the beam flange discs 4 is required to be adjusted by workers, the construction period progress is influenced, and the mounting efficiency of the portal is effectively ensured;
the anti-slip rings 301 are symmetrically and fixedly connected to the two sides of the surface of the portal beam 3, and the anti-slip rings 301 are arranged on the two sides of the surface of the portal beam 3, so that when the portal beam 3 is rotated to adjust the positions of the beam flange discs 4 at the two ends, workers can conveniently rotate the portal beam 3, the problem that the workers slip with the surface of the portal beam 3 due to hands or tools is avoided, the adjusting efficiency is affected, and the rotating stability of the portal beam 3 is effectively improved;
the whole stability of the portal can be improved, the phenomenon of loosening at the joint is avoided, and the service life of the portal is effectively ensured by welding the connecting column 102 with the upright flange disc 2, the crossbeam flange disc 4 with the connecting steel tube 6, the portal beam 3 with the threaded column 7, the connecting steel tube 6 with the connecting steel tube 8 and the connecting rod 10 with the welding rod between the connecting column 102 and the upright flange disc 2, the crossbeam flange disc 4 with the connecting steel tube 6, the portal beam 3 with the threaded column 7 and the connecting steel tube 6 with the connecting rod 8 with the connecting rod 10.
Example 3:
referring to fig. 1-6, a portal for connecting a diagonal column flange to a beam is substantially the same as embodiment 2, further: the end face of the portal frame connecting beam 11 is designed to be an intrados surface, the end part of the portal frame connecting beam 11 is tightly attached to the adjacent connecting steel pipe 6 through the intrados surface, the end part of the portal frame connecting beam 11 is symmetrically and rotatably connected with an arc clamping plate 12 through a rotating shaft, the two arc clamping plates 12 are tightly clamped on the connecting steel pipe 6 through connecting bolts 13, when the portal frame connecting beam 11 is fixedly installed through the arrangement of the arc clamping plates 12 and the connecting bolts 13, workers directly clamp the arc clamping plates 12 on the connecting steel pipe 6, then the arc clamping plates 12 are fixedly arranged on the connecting steel pipe 6 through the connecting bolts 13, the fixing work of the portal frame connecting beam 11 can be completed, and when the portal frame connecting beam 11 needs to be disassembled, the portal frame connecting beam 11 can be quickly disassembled by unscrewing the connecting bolts 13.
A plurality of connecting sleeves 14 are arranged between the two portal frame connecting beams 11 at equal intervals, two sides of the connecting sleeves 14 are symmetrically and slidingly connected with two connecting rods 15, one ends of the two connecting rods 15, which are far away from each other, are respectively fixedly connected with the adjacent portal frame connecting beams 11, and the connecting sleeves 14 and the connecting rods 15 are connected between the two portal frame connecting beams 11;
the outermost connecting sleeve 14 is in threaded rotation connection with the connecting rod 15 matched with the outermost connecting sleeve 14, the outermost connecting sleeve 14 is in threaded rotation connection with the connecting rod 15 matched with the outermost connecting sleeve, the distance between the two portal frame connecting beams 11 can be regulated stably when the distance between the two portal frame connecting beams is regulated, and meanwhile, under the action of threads, the two portal frame connecting beams 11 can be limited, so that the portal frame connecting beams 11 are more stable when being carried, and the portal frame connecting beams are not required to be mounted any more and regulated, and convenience is provided for staff;
the anti-slip ring 1401 is fixedly connected with the surface of the connecting sleeve 14 at the outermost side, and the anti-slip ring 1401 is arranged on the connecting sleeve 14 at the outermost side, so that the anti-slip effect can be achieved on hands or rotating tools of a worker when the connecting sleeve 14 is rotated to adjust the distance between the two portal connecting beams 11, and the connecting sleeve 14 can be rotated more stably by the worker.
Example 4:
referring to fig. 1-6, a portal for connecting a diagonal column flange to a beam is substantially the same as embodiment 3, further: one side fixedly connected with weather enclosure 103 that portal stand 1's top is close to portal crossbeam 3, weather enclosure 103 cover is established in the outside of stand flange disc 2 and crossbeam flange disc 4, through cup jointing weather enclosure 103 on the surface of stand flange disc 2 and crossbeam flange disc 4, when rainy season, can play the effect of keeping off the rain to stand flange disc 2 and crossbeam flange disc 4, avoid the fixing bolt 5 rainwater between stand flange disc 2 and the crossbeam flange disc 4 to rust, thereby when leading to follow-up dismantlement to this portal, fixing bolt 5 takes place the rupture because of rust, influence dismantlement efficiency has improved the protection effect to the screw hole on fixing bolt 5 and stand flange disc 2 and the crossbeam flange disc 4 effectively.
According to the invention, the upright post flange disc 2 and the beam flange disc 4 are connected by adopting an inclined plane, so that the gravity of the portal beam 3 can be utilized to generate friction force between the upright post flange disc 2 and the beam flange disc 4 and oblique upward supporting force on the portal beam 3, thereby ensuring the connection between the upright post flange disc 2 and the beam flange disc 4 to be more stable and ensuring the connection stability between the portal upright post 1 and the portal beam 3; meanwhile, the position of the beam flange disc 4 can be quickly adjusted, so that the mounting process is more convenient and quick; the connection aesthetic property of the portal stand 1 and the portal beam 3 is also improved, and when raining, the stand flange disc 2 and the beam flange disc 4 which are obliquely arranged are not easy to accumulate water, and water flow can be rapidly discharged along the inclined plane, so that the service life and the stability are greatly improved.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way, although the present invention has been described in the preferred embodiments, and is not limited thereto.
Claims (10)
1. The utility model provides a portal that inclined column ring flange and crossbeam are connected, includes portal stand (1), bottom plate (101), portal crossbeam (3) and portal tie beam (11), its characterized in that, bottom plate (101) welding is in the bottom of portal stand (1) for it is fixed with ground connection, portal stand (1) symmetry is equipped with two sets of, portal crossbeam (3) are connected between every two portal stands (1) of group, portal tie beam (11) symmetric connection is between two portal crossbeams (3), still includes:
the connecting column (102) transversely penetrates through the upper side of the portal stand column (1) and is welded with the portal stand column (1);
the upright column flange disc (2) is obliquely and fixedly connected to one end, close to each other, of the two connecting columns (102);
the beam flange discs (4) are symmetrically and obliquely connected to two ends of the portal beam (3), and the inclination angle is matched with that of the upright column flange disc (2);
the upright column flange disc (2) is fixedly connected with the cross beam flange disc (4) through a fixing bolt (5).
2. The portal of claim 1 wherein the diagonal flange is connected to the cross member, wherein: the transverse beam flange disc (4) is close to one side of the portal beam (3) and is transversely fixedly connected with a connecting steel pipe (6), two symmetrical threaded columns (7) are fixedly connected to two ends of the portal beam (3), the threaded columns (7) are rotationally connected in the connecting steel pipe (6) through threads, and the diameters of the portal beam (3) and the threaded columns (7) are identical to the inner diameter of the connecting steel pipe (6).
3. A portal with diagonal column flange connected to a beam as claimed in claim 2, wherein: two connecting steel pipes (6) are all fixedly connected with connecting plate (8) in one end downside that is close to each other, two be equipped with spacing sleeve (9) between connecting plate (8), symmetry sliding connection has gag lever post (10) in spacing sleeve (9), two one end that gag lever post (10) kept away from each other is respectively with adjacent connecting plate (8) fixed connection.
4. A portal in which a diagonal column flange is connected to a cross member as claimed in claim 3, wherein: anti-slip rings (301) are symmetrically and fixedly connected to two sides of the surface of the portal beam (3).
5. A portal in which a diagonal column flange is connected to a cross member as claimed in claim 3, wherein: the connecting column (102) is welded and fixed with the upright column flange disc (2), the beam flange disc (4) is welded and fixed with the connecting steel pipe (6), the portal beam (3) is welded and fixed with the threaded column (7), the connecting steel pipe (6) is welded with the connecting plate (8) and the limiting rod (10) through welding machines.
6. The portal frame connected with the cross beam through the inclined upright column flange plate according to claim 2, wherein the end face of the portal frame connecting beam (11) is designed to be an intrados surface, the end part of the portal frame connecting beam (11) is closely attached to an adjacent connecting steel pipe (6) through the intrados surface, the end part of the portal frame connecting beam (11) is symmetrically and rotationally connected with arc clamping plates (12) through a rotating shaft, and the two arc clamping plates (12) are tightly clamped on the connecting steel pipe (6) through connecting bolts (13).
7. The portal with diagonal column flange connected to the cross beam as claimed in claim 6, wherein: a plurality of connecting sleeves (14) are arranged between the two portal connecting beams (11) at equal intervals, two connecting rods (15) are symmetrically and slidingly connected to two sides of each connecting sleeve (14), and one ends, far away from each other, of the two connecting rods (15) are fixedly connected with the adjacent portal connecting beams (11) respectively.
8. The portal with diagonal column flange connected to the cross beam as claimed in claim 7, wherein: wherein the outermost connecting sleeve (14) is in threaded rotation connection with the connecting rod (15) matched with the connecting sleeve.
9. The portal with diagonal column flange connected to the cross beam as claimed in claim 8, wherein: an anti-slip ring (1401) is fixedly connected to the surface of the outermost connecting sleeve (14).
10. The portal of claim 1 wherein the diagonal flange is connected to the cross member, wherein: one side of the top of the portal stand column (1) close to the portal beam (3) is fixedly connected with a rainproof canopy (103), and the rainproof canopy (103) is sleeved outside the stand column flange disc (2) and the beam flange disc (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211718211.XA CN116084315A (en) | 2022-12-29 | 2022-12-29 | Portal frame for connecting inclined upright column flange plate with cross beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211718211.XA CN116084315A (en) | 2022-12-29 | 2022-12-29 | Portal frame for connecting inclined upright column flange plate with cross beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116084315A true CN116084315A (en) | 2023-05-09 |
Family
ID=86198539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211718211.XA Pending CN116084315A (en) | 2022-12-29 | 2022-12-29 | Portal frame for connecting inclined upright column flange plate with cross beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116084315A (en) |
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2022
- 2022-12-29 CN CN202211718211.XA patent/CN116084315A/en active Pending
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