CN114790681A - Anti-seismic thin-wall light steel structure with cold bending - Google Patents

Abstract

The invention discloses an anti-seismic cold-formed thin-walled light steel structure, comprising a base, a fixing hole is opened in the base, an anti-skid strip is fixedly connected to the upper end of the base, a column support plate is fixedly connected to the center of the upper end of the base, and the upper end of the column support plate is fixedly connected There is a central column, a column inner threaded hole is opened in the central column, a threaded rod is connected in the column inner threaded hole, the upper end of the threaded rod is fixedly connected with a limit ring, the limit ring is provided with a frame fixing threaded hole, and the upper end of the limit ring is provided with The bearing frame is provided with bolt holes at the upper end of the bearing frame. In the present invention, the threaded rod can be rotated in the threaded hole in the column, so as to control the height of the bearing frame connected at one end of the threaded rod, so that the bearing height can be easily adjusted when the bridge is loaded. Structural deviation is not easy to occur between adjacent bearing frames, that is, when subjected to vibration, the structure still maintains the original installation height, and the structural stability is good.

Description

A shock-resistant cold-formed thin-walled light steel structure

technical field

The invention relates to the technical field of light steel structures, in particular to an anti-seismic cold-formed thin-walled light steel structure.

Background technique

Bridge steel is a steel plate specially used for building railway or highway bridges. It is required to have high strength, toughness, and to withstand the load and impact of rolling stock, and to have good fatigue resistance, certain low temperature toughness and atmospheric corrosion resistance. Railway or highway bridges bear the impact load of vehicles, and the bridge steel requires certain strength, toughness and good fatigue resistance, and the surface quality of the steel is relatively high. Basic open hearth-killed steel is often used for bridge steel, and common low-alloy steels such as 16 manganese, 15 manganese alum-nitrogen, etc. are successfully used for bolted welding. Bridge steel should also have good welding performance and low notch sensitivity.

The existing steel structures used for bridges are mostly welded and bolted at the joints. When subjected to moving vibration, the welding surface will be broken or the bolt holes will be dislocated, causing destructive damage to the bridge. The repair project is huge, and the structure is earthquake-resistant. poor effect.

SUMMARY OF THE INVENTION

The purpose of the present invention is to propose a shock-resistant cold-formed thin-walled light-weight steel structure in order to solve the above problems.

In order to achieve the above object, the present invention adopts the following technical solutions:

An earthquake-resistant cold-formed thin-walled light-weight steel structure comprises a base, a fixing hole is opened in the base, an anti-skid strip is fixedly connected to the upper end of the base, and a column support plate is fixedly connected to the center of the upper end of the base, and the column supports The upper end of the disc is fixedly connected with a central column, the central column is provided with a column inner threaded hole, the column inner threaded hole is connected with a threaded rod, the upper end of the threaded rod is fixedly connected with a limit ring, and the limit ring is provided with There is a frame fixing threaded hole, the upper end of the limit ring is provided with a bearing frame, the upper end of the bearing frame is provided with a bolt hole, the outer side of the bearing frame is fixedly connected with a side screw, and the lower surface of the bearing frame is provided with a docking hole, so The outer side of the central column is connected with an anti-seismic mechanism.

Preferably, the anti-vibration mechanism includes a sticking block, a middle hoop groove is formed on the sticking block, a rod connecting strip is fixedly connected to one side of the sticking block, and a single push rod is rotatably connected in the rod connecting strip. and parallel deflection rods.

Preferably, the other end of the single push rod is rotatably connected to the rod connection leaf, the rod connection leaf is fixedly connected to the push swivel, and the push swivel is rotatably connected with an internally threaded drum, and the internally threaded drum Threaded on threaded rod.

Preferably, the other end of the parallel deflection rod is fixedly connected with a deflection cylinder shaft, the deflection cylinder shaft is rotatably connected to the rod connection page, the rod connection page is fixedly connected with a rod fixing cylinder, and the rod fixing cylinder is fixed by a cylinder fixing screw Fixed connection on the outside of the central column.

Preferably, there are a plurality of the abutting blocks, the plurality of the abutting blocks are evenly arranged around the outside of the central column, a limiting hoop is arranged on the outer side of the abutting blocks, and the inner side of the limiting hoop and the middle hoop groove The two ends of the limiting hoop are fixedly connected with hinge pieces respectively, and the two hinge pieces are connected by fastening bolts.

Preferably, there are three docking holes, the upper end of the limiting ring is connected with a positioning piece, and two ends of the positioning piece are symmetrically and fixedly connected with a docking screw cylinder, and the docking screw cylinder and the docking hole fit each other, so The butt holes and the bolt holes are connected to each other.

To sum up, due to the adoption of the above technical solutions, the beneficial effects of the present invention are:

1. The application adopts a threaded rod structure, and the threaded rod can be used to rotate in the threaded hole in the column, thereby controlling the height of the bearing frame connected to one end of the threaded rod, so that the bearing height can be easily adjusted when carrying out the bridge bearing. The positioning member at the lower end of the bearing frame makes it difficult for the structure to shift between adjacent bearing frames, that is, when subjected to vibration, the structure still maintains the original installation height, and the structural stability is good.

2. The application adopts an anti-seismic mechanism, and uses the internal threaded drum structure in the anti-vibration mechanism to carry the weight of the upper bearing frame. When the threaded rod is screwed into the internal threaded hole of the column to a certain depth, the internal threaded drum is used to rotate upward to drive the single The structural angle of the push rod and the parallel deflection rod changes, and the corresponding diameter of the limit hoop structure is used to support the bearing frame. There are multiple support structures, so that the bearing frame is still stable when it is vibrated, and the structure has a reasonable structure. sex.

Description of drawings

FIG. 1 shows a schematic structural diagram of an overall steel bearing structure provided according to an embodiment of the present invention;

Fig. 2 shows the structural schematic diagram of the load-bearing steel structure provided according to an embodiment of the present invention viewed from the bottom;

FIG. 3 shows a schematic structural diagram of a connection of an internally threaded drum provided according to an embodiment of the present invention;

FIG. 4 shows a schematic structural diagram of the separation of the threaded rod and the anti-seismic mechanism provided according to an embodiment of the present invention;

5 shows a schematic diagram of an explosion structure of an anti-seismic mechanism provided according to an embodiment of the present invention;

FIG. 6 shows a schematic structural diagram of a single push rod connection according to an embodiment of the present invention.

illustration:

1. Base; 2. Fixing hole; 3. Anti-skid strip; 4. Column support plate; 5. Limiting hoop; 6. Hinge piece; 7. Fitting block; 8. Center column; 9. Bearing frame; 10. Bolt hole; 11. Fastening bolt; 12. Side screw; 13. Internal thread drum; 14. Threaded rod; 15. Positioning piece; 16. Limit ring; 17. Middle hoop groove; 18. Rod connecting strip; 19 , rod fixing cylinder; 20, single push rod; 21, parallel deflection rod; 22, cylinder fixing screw; 23, column inner thread hole; 24, push swivel; 25, frame fixing thread hole; 26, butt hole; 27, Butt threaded barrel; 28, rod connection page; 29, deflection barrel shaft.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figures 1-6, the present invention provides a technical solution:

An anti-seismic cold-formed thin-walled light steel structure comprises a base 1, a fixing hole 2 is opened in the base 1, an anti-skid strip 3 is fixedly connected to the upper end of the base 1, a column support plate 4 is fixedly connected to the center of the upper end of the base 1, and the column support plate 4. The upper end is fixedly connected with the central column 8, the central column 8 is provided with a column inner threaded hole 23, the column inner threaded hole 23 is connected with a threaded rod 14, the upper end of the threaded rod 14 is fixedly connected with a limit ring 16, and the limit ring 16 is provided with There is a frame fixing screw hole 25, the upper end of the limit ring 16 is provided with a bearing frame 9, the upper end of the bearing frame 9 is provided with a bolt hole 10, the outer side of the bearing frame 9 is fixedly connected with a side screw 12, and the lower surface of the bearing frame 9 is provided with a docking hole 26, An anti-vibration mechanism is connected to the outer side of the central column 8 . The anti-vibration mechanism includes a bonding block 7, a middle hoop groove 17 is opened on the bonding block 7, a rod connecting bar 18 is fixedly connected on one side of the bonding block 7, and a single push rod 20 and a parallel deflection rod are rotatably connected in the rod connecting bar 18. twenty one. The other end of the single push rod 20 is rotatably connected to the rod connection page 28, the rod connection page 28 is fixedly connected to the push swivel 24, and the push swivel 24 is rotatably connected with the inner thread drum 13, and the inner thread drum 13 is threadedly connected to the thread. on rod 14. The other end of the parallel deflection rod 21 is fixedly connected with a deflection cylinder shaft 29, the deflection cylinder shaft 29 is rotatably connected to the rod connection page 28, the rod connection page 28 is fixedly connected with a rod fixing cylinder 19, and the rod fixing cylinder 19 is fixedly connected to the cylinder fixing screw 22. Outside the center column 8. A plurality of fitting blocks 7 are provided, and the plurality of fitting blocks 7 are evenly arranged around the outer side of the central column 8. A limiting hoop 5 is arranged on the outer side of the bonding block 7, and the inner side of the limiting hoop 5 and the middle hoop groove 17 fit each other. Both ends of the limiting hoop 5 are respectively fixedly connected with hinge pieces 6 , and the two hinge pieces 6 are connected by fastening bolts 11 . There are three docking holes 26, the upper end of the limit ring 16 is connected with a positioning member 15, and the two ends of the positioning member 15 are symmetrically and fixedly connected with a docking threaded barrel 27. The holes 10 are connected to each other.

Specifically, as shown in FIG. 1, a shock-resistant cold-formed thin-walled light steel structure includes a base 1, a fixing hole 2 is opened in the base 1, an anti-skid strip 3 is fixedly connected to the upper end of the base 1, and the center of the upper end of the base 1 is fixedly connected There is a column support plate 4, the upper end of the column support plate 4 is fixedly connected with a central column 8, a column inner threaded hole 23 is opened in the central column 8, a threaded rod 14 is connected in the column inner threaded hole 23, and the upper end of the threaded rod 14 is fixedly connected with a limited position Ring 16, the limit ring 16 is provided with a frame fixing screw hole 25, the upper end of the limit ring 16 is provided with a bearing frame 9, the upper end of the bearing frame 9 is provided with a bolt hole 10, the outer side of the bearing frame 9 is fixedly connected with a side screw 12, the bearing frame The lower surface is provided with a docking hole 26, the outer side of the central column 8 is connected with an anti-seismic mechanism, and the threaded rod 14 can be rotated in the threaded hole 23 in the column, thereby controlling the height of the bearing frame 9 connected to one end of the threaded rod 14, so that the bridge is carried out. When carrying, the carrying height can be easily adjusted, and at the same time, the positioning member 15 connected to the lower end of the carrying frame 9 is used, so that the structure deviation between the adjacent carrying frames 9 is not easy to occur, that is, the structure still maintains the original installation height when subjected to vibration, and the structure is stable good sex.

Specifically, as shown in FIG. 5 , the anti-vibration mechanism includes a fitting block 7 . The fitting block 7 is provided with an intermediate hoop groove 17 , and a rod connecting bar 18 is fixedly connected to one side of the fitting block 7 , and the rod connecting bar 18 is rotatably connected inside. There is a single push rod 20 and a parallel deflection rod 21 . The other end of the single push rod 20 is rotatably connected to the rod connection page 28, the rod connection page 28 is fixedly connected to the push swivel 24, and the push swivel 24 is rotatably connected with the inner thread drum 13, and the inner thread drum 13 is threadedly connected to the thread. on rod 14. The other end of the parallel deflection rod 21 is fixedly connected with a deflection cylinder shaft 29, the deflection cylinder shaft 29 is rotatably connected to the rod connection page 28, the rod connection page 28 is fixedly connected with a rod fixing cylinder 19, and the rod fixing cylinder 19 is fixedly connected to the cylinder fixing screw 22. On the outside of the central column 8, the internal threaded drum 13 in the anti-vibration mechanism is used to carry the weight of the upper bearing frame 9. When the threaded rod 14 is screwed into the internal threaded hole 23 of the column to a certain depth, the internally threaded drum 13 is used to rotate upward to drive the The structural angle of the single push rod 20 and the parallel deflection rod 21 changes, and the structure of the limit hoop 5 with the corresponding diameter is used to support the bearing frame 9. There are multiple supporting structures, so that the bearing frame 9 has the same structure when it is vibrated. It is stable and the structure is rational.

Specifically, as shown in FIG. 3 , there are a plurality of bonding blocks 7 , and the plurality of bonding blocks 7 are evenly arranged around the outer side of the central column 8 , and a limiting hoop 5 is arranged on the outer side of the bonding block 7 , and the inner side of the limiting hoop 5 is connected with The middle hoop grooves 17 fit each other, the two ends of the limiting hoop 5 are respectively fixedly connected with hinge pieces 6 , and the two hinge pieces 6 are connected by fastening bolts 11 . There are three docking holes 26, the upper end of the limit ring 16 is connected with a positioning member 15, and the two ends of the positioning member 15 are symmetrically and fixedly connected with a docking threaded barrel 27. The holes 10 are connected to each other. When the bearing frame 9 bears the weight, under the fixing of the positioning member 15, using the threaded structure on the bearing frame 9 and the threaded rod 14, when the bearing frame 9 is subjected to vibration and the height drops, the bearing frame 9 itself will Rotation occurs, and at the same time, under the support of the inner threaded drum 13, the structure cannot be lowered, and the adjacent bearing frames 9 are fixedly connected before to avoid deflection of the bearing frames 9, the structure maintains the initial state, and the structural stability is good.

To sum up, for a shock-resistant cold-formed thin-walled light steel structure provided in this embodiment, during installation, the bearing height is measured in advance, and the threaded rod 14 is adjusted so that the bearing frame 9 is placed at the corresponding height, and the rotation of the inner thread is controlled. The cylinder 13 rotates on the threaded rod 14 to the height of the support limit ring 16, and then cooperates with the limit hoop 5 to complete the limit of the fitting block 7, so that the structural angle of the single push rod 20 and the parallel deflection rod 21 remains unchanged, and the overall structure Good anti-seismic effect.

The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. An anti-seismic cold-formed thin-walled light-weight steel structure, comprising a base (1), characterized in that, a fixing hole (2) is opened in the base (1), and an anti-skid is fixedly connected to the upper end of the base (1). bar (3), a column support plate (4) is fixedly connected to the center of the upper end of the base (1), and a center column (8) is fixedly connected to the upper end of the column support plate (4). There is a column inner threaded hole (23), a threaded rod (14) is connected in the column inner threaded hole (23), the upper end of the threaded rod (14) is fixedly connected with a limit ring (16), and the limit ring ( 16) A frame fixing threaded hole (25) is opened on the upper end, the upper end of the limit ring (16) is provided with a bearing frame (9), and the upper end of the bearing frame (9) is provided with a bolt hole (10). (9) A side screw (12) is fixedly connected to the outer side, a docking hole (26) is formed on the lower surface of the carrier frame (9), and an anti-vibration mechanism is connected to the outer side of the central column (8). 2. An anti-seismic cold-formed thin-walled light steel structure according to claim 1, wherein the anti-vibration mechanism comprises a fitting block (7), and an intermediate hoop is provided on the fitting block (7). A groove (17), a rod connecting strip (18) is fixedly connected to one side of the fitting block (7), and a single push rod (20) and a parallel deflection rod (21) are rotatably connected in the rod connecting strip (18). . 3. A shock-resistant cold-formed thin-walled light-weight steel structure according to claim 2, characterized in that the other end of the single push rod (20) is rotatably connected to the rod connecting page (28), and the rod is connected The page (28) is fixedly connected to the push swivel (24), and the inside of the push swivel (24) is rotatably connected with an internally threaded drum (13), and the internally threaded drum (13) is threadedly connected to the threaded rod (14). )superior. 4. An anti-vibration cold-formed thin-walled light-weight steel structure according to claim 3, wherein the other end of the parallel deflection rod (21) is fixedly connected with a deflection cylinder shaft (29), the deflection cylinder shaft (29) is rotatably connected to the rod connecting page (28), the rod connecting page (28) is fixedly connected with a rod fixing cylinder (19), and the rod fixing cylinder (19) is fixedly connected to the center by a cylinder fixing screw (22). Outside the column (8). 5. An anti-vibration cold-formed thin-walled light-weight steel structure according to claim 4, characterized in that there are a plurality of said fitting blocks (7), and a plurality of said fitting blocks (7) are evenly surrounded It is arranged on the outer side of the central column (8), the outer side of the fitting block (7) is provided with a limiting hoop (5), and the inner side of the limiting hoop (5) fits with the middle hoop groove (17), and the Both ends of the position hoop (5) are respectively fixedly connected with hinge pieces (6), and the two hinge pieces (6) are connected by fastening bolts (11). 6. An anti-vibration cold-formed thin-walled light-weight steel structure according to claim 5, characterized in that, three butt holes (26) are provided, and a positioning member ( 15), the two ends of the positioning member (15) are symmetrically and fixedly connected with a butt threaded barrel (27), the butt threaded barrel (27) and the butt hole (26) fit with each other, and the butt hole (26) and The bolt holes (10) are connected to each other.

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