CN212206543U - Buffeting response research simulation model of large-span suspension bridge - Google Patents
Buffeting response research simulation model of large-span suspension bridge Download PDFInfo
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- CN212206543U CN212206543U CN202021401653.8U CN202021401653U CN212206543U CN 212206543 U CN212206543 U CN 212206543U CN 202021401653 U CN202021401653 U CN 202021401653U CN 212206543 U CN212206543 U CN 212206543U
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Abstract
The utility model discloses a shake response research simulation model of long span suspension bridge, including girder, suspension cable and two towers, the equal vertical setting of tower, the both ends difference level of girder set up on the tower, and the top at the tower that corresponds, its characterized in that are fixed respectively at the both ends of suspension cable: the girder includes a plurality of beam slabs, and the beam slab is rectangular shape, and all beam slab levels set up, and all beam slabs connect gradually and form the girder, all connect through adsorption equipment between two arbitrary adjacent beam slabs, still are equipped with a plurality of hoist cables on the suspension cable, the vertical setting of hoist cable, and the upper end of hoist cable is fixed on the suspension cable, and the lower extreme of hoist cable is connected on the beam slab that corresponds. Adopt the utility model discloses a shake response research simulation model of long-span suspension bridge utilizes a plurality of roof beam boards to splice in succession and forms the girder, and the structural feature of the large-span suspension bridge that the model structurally restores to the utmost can carry out split and equipment to the bridge model fast, and simple structure, and is safe in utilization.
Description
Technical Field
The utility model relates to a simulation model, concretely relates to buffeting response research simulation model of long span suspension bridge.
Background
The bridge buffeting refers to random vibration of a space bridge system caused by a pulsating wind spectrum in a gust zone under the action of pulsating wind. The bridge buffeting is limited amplitude vibration with forced vibration characteristics, pneumatic instability of the bridge cannot be caused generally, but due to low wind speed and high efficiency of buffeting response, structural details such as joints or supports of components can be subjected to local fatigue damage, and overlarge buffeting response can also endanger the safety of bridge deck travelling;
however, in the simulation experiment of wind-induced vibration of the current large-span bridge, a bridge model which is integrated by simply building a blockboard is generally used for testing, and the beam body generally adopts integral structures such as long battens, so that the process of building, placing, carrying and disassembling the model is very complicated and time-consuming in the face of different experiment demands.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a simulation model of simulation suspension bridge helps the quick big span suspension bridge simulation model who assembles needs.
The technical scheme is as follows:
the utility model provides a buffeting response research simulation model of large-span suspension bridge, its key lies in, includes girder, suspension cable and two towers, the equal vertical setting of tower, the both ends difference level of girder sets up on the tower, the both ends of suspension cable are fixed respectively and are corresponded the top of tower, its characterized in that:
the main beam comprises a plurality of beam plates, the beam plates are strip-shaped, all the beam plates are horizontally arranged, all the beam plates are sequentially connected to form the main beam, and any two adjacent beam plates are connected through an adsorption device;
the suspension cable is also provided with a plurality of suspension cables, the suspension cables are vertically arranged, the upper ends of the suspension cables are fixed on the suspension cable, and the lower ends of the suspension cables are connected to the corresponding beam plates.
The effect of adopting above scheme: the girder is formed by continuously splicing a plurality of beam plates, the height simulates the formation of the girder under the real condition, the length is adjustable, the model is structurally characterized by the structure of the large-span suspension bridge restored to the greatest extent, and the splicing process is simple and safe.
The utility model discloses a beam slab, including beam slab, peg graft post, blind hole, adsorption equipment, peg graft post and blind hole one-to-one, be equipped with two peg graft posts on the one end terminal surface of beam slab, be equipped with two blind holes on the other end terminal surface of beam slab, two peg graft post and two the blind hole one-to-one, peg graft post with the blind hole phase-match, peg graft post stretches into the correspondence the blind hole, peg graft post and corresponding be equipped with between the blind.
The two sides of the beam plate are respectively provided with a fixing block, a fixing hole vertically penetrates through the fixing blocks, the lower end of the sling is provided with a clamping head, and the clamping head penetrates through the fixing hole.
The clamping head is cylindrical, the upper end of the clamping head is connected with the sling, two clamping holes penetrate through the cylinder wall of the clamping head, and the two clamping holes are arranged oppositely;
the inner cavity of the clamping head is further provided with a spring and two groups of positioning devices, each positioning device comprises a sliding plate and a positioning plate, the sliding plates are attached to the inner wall of the clamping head, the two sliding plates are arranged oppositely, the positioning plates are fixed on the sliding plates and are perpendicular to the sliding plates, the positioning plates extend out of the corresponding clamping holes, one end of each spring is tightly abutted against one sliding plate, the other end of each spring is tightly abutted against the other sliding plate, a limiting block is further arranged in the clamping head, and the limiting block is located under the positioning devices.
The tower column comprises two vertically arranged fixing columns and a horizontally arranged beam body supporting strip, two ends of the beam body supporting strip are respectively and horizontally connected with the middle parts of the corresponding fixing columns, and two ends of the main beam respectively penetrate through the two corresponding fixing columns and are horizontally erected on the beam body supporting strip;
the suspension cable comprises two main cables which are arranged in parallel, one end of the main cable is connected with the fixed column of one tower column, the other end of the main cable is connected with the fixed column of the other tower column, and the fixed columns connected with the two ends of the main cable are positioned on the same side of the main beam.
The lower end of the tower column is further horizontally provided with a mounting base respectively, the mounting bases are provided with anchoring seats, the anchoring seats are located on the outer sides of the fixed columns, two ends of the main beam are fixed on the corresponding anchoring seats respectively, and the top end of the tower column is fixedly connected with the corresponding anchoring seats through inhaul cables.
Has the advantages that: the utility model provides a simulation model who uses in the simulation experiment of large-span bridge wind-induced vibration utilizes a plurality of beam slabs to splice in succession and forms the girder, uses the hoist cable to fix the girder, and the model structurally furthest goes up the structural feature of the large-span suspension bridge who restores, and simple structure, and safe in utilization can carry out split and equipment to the bridge model fast.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic structural view of the beam plate 4;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a partial sectional view of the locking head 9.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1 to 5, a buffeting response research simulation model of a large-span suspension bridge mainly includes a main beam, a suspension cable, and two towers, the towers are vertically arranged, two ends of the main beam are horizontally arranged on the towers respectively, two ends of the suspension cable are fixed on the top ends of the towers respectively, and the model is characterized in that:
the main beam comprises a plurality of beam plates 4, the beam plates 4 are strip-shaped, all the beam plates 4 are horizontally arranged, all the beam plates 4 are sequentially connected to form the main beam, and any two adjacent beam plates 4 are connected through an adsorption device;
the suspension cable is further provided with a plurality of suspension cables 5, the suspension cables 5 are vertically arranged, the upper ends of the suspension cables 5 are fixed on the suspension cable, and the lower ends of the suspension cables 5 are connected to the corresponding beam plates 4.
Wherein:
the utility model discloses a beam plate, including roof beam 4, spliced pole 6, blind hole 7, splicing pole 6 and two, spliced pole 6 is equipped with two spliced poles 6 on the one end terminal surface of beam plate 4, be equipped with two blind holes 7 on the other end terminal surface of beam plate 4, two spliced pole 6 and two blind hole 7 one-to-one, spliced pole 6 with the blind hole 7 phase-match, spliced pole 6 stretches into the correspondence blind hole 7, spliced pole 6 with correspond be equipped with between the blind hole 7 adsorption equipment.
The two sides of the beam plate 4 are respectively provided with a fixing block 8, the fixing block 8 is vertically penetrated with a fixing hole, the lower end of the sling 5 is provided with a clamping head 9, and the clamping head 9 is arranged in the fixing hole in a penetrating manner.
The clamping head 9 is cylindrical, the upper end of the clamping head 9 is connected with the sling 5, two clamping holes penetrate through the cylinder wall of the clamping head 9, and the two clamping holes are arranged oppositely;
the inner cavity of the clamping head 9 is further provided with a spring 12 and two groups of positioning devices, each positioning device comprises a sliding plate 10 and a positioning plate 11, the sliding plates 10 are attached to the inner wall of the clamping head 9, the two sliding plates 10 are arranged oppositely, the positioning plates 11 are fixed on the sliding plates 10, the positioning plates 11 are perpendicular to the sliding plates 10, the positioning plates 11 extend out of the corresponding clamping holes, one end of the spring 12 is tightly abutted to one sliding plate 10, the other end of the spring 12 is tightly abutted to the other sliding plate 10, a limiting block 15 is further arranged in the clamping head 9, and the limiting block 15 is located under the positioning devices.
The tower column comprises two vertically arranged fixed columns 3 and a horizontally arranged beam body supporting strip, two ends of the beam body supporting strip are respectively and horizontally connected with the middle parts of the corresponding fixed columns 3, and two ends of the main beam respectively penetrate through the two corresponding fixed columns 3 and are horizontally erected on the beam body supporting strip;
the suspension cable comprises two main cables 2, the two main cables 2 are arranged in parallel, one end of each main cable 2 is connected with the fixed column 3 of one tower column, the other end of each main cable 2 is connected with the fixed column 3 of the other tower column, and the fixed columns 3 connected with the two ends of the same main cable 2 are positioned on the same side of the main beam.
The lower end of the tower column is further horizontally provided with a mounting base respectively, the mounting bases are provided with anchoring seats 13 respectively, the anchoring seats 13 are located on the outer sides of the fixed columns 3, two ends of the main beam are fixed on the corresponding anchoring seats 13 respectively, and the top end of the tower column is fixedly connected with the corresponding anchoring seats 13 through inhaul cables 14.
The adsorption device is a strong magnet, and the beam plate 4 is made of wood.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (6)
1. The utility model provides a buffeting response research simulation model of long-span suspension bridge, includes girder, suspension cable and two towers, the equal vertical setting of tower, the both ends difference level of girder sets up on the tower, the both ends of suspension cable are fixed respectively and are corresponded the top of tower, its characterized in that:
the main beam comprises a plurality of beam plates (4), the beam plates (4) are long-strip-shaped, all the beam plates (4) are horizontally arranged, all the beam plates (4) are sequentially connected to form the main beam, and any two adjacent beam plates (4) are connected through an adsorption device;
the suspension cable is further provided with a plurality of suspension cables (5), the suspension cables (5) are vertically arranged, the upper ends of the suspension cables (5) are fixed on the suspension cable, and the lower ends of the suspension cables (5) are connected to the corresponding beam plates (4).
2. The buffeting response study simulation model of the large-span suspension bridge of claim 1, wherein: the beam plate is characterized in that two inserting columns (6) are arranged on one end face of the beam plate (4), two blind holes (7) are formed in the other end face of the beam plate (4), the inserting columns (6) correspond to the blind holes (7) one to one, the inserting columns (6) are matched with the blind holes (7), the inserting columns (6) stretch into the corresponding blind holes (7), and the adsorbing devices are arranged between the inserting columns (6) and the corresponding blind holes (7).
3. The buffeting response study simulation model of the large-span suspension bridge according to claim 2, characterized in that: the two sides of the beam plate (4) are respectively provided with a fixing block (8), the fixing block (8) is vertically penetrated with a fixing hole, the lower end of the sling (5) is provided with a clamping head (9), and the clamping head (9) is arranged in the fixing hole in a penetrating mode.
4. The buffeting response study simulation model of the large-span suspension bridge of claim 3, wherein: the clamping head (9) is cylindrical, the upper end of the clamping head (9) is connected with the sling (5), two clamping holes penetrate through the cylinder wall of the clamping head (9), and the two clamping holes are arranged oppositely;
the inner cavity of the clamping head (9) is further provided with a spring (12) and two groups of positioning devices, each positioning device comprises a sliding plate (10) and a positioning plate (11), the sliding plates (10) are attached to the inner wall of the clamping head (9), the two sliding plates (10) are arranged oppositely, the positioning plates (11) are fixed on the sliding plates (10), the positioning plates (11) are perpendicular to the sliding plates (10), the positioning plates (11) extend out of the corresponding clamping holes, one end of each spring (12) is tightly abutted to one sliding plate (10), the other end of each spring (12) is tightly abutted to the other sliding plate (10), a limiting block (15) is further arranged in the clamping head (9), and the limiting block (15) is located under the positioning device.
5. The buffeting response study simulation model of the large-span suspension bridge of claim 4, wherein: the tower column comprises two vertically arranged fixing columns (3) and a horizontally arranged beam body supporting strip, two ends of the beam body supporting strip are respectively and horizontally connected with the middle parts of the corresponding fixing columns (3), and two ends of the main beam respectively penetrate through the two corresponding fixing columns (3) and are horizontally erected on the beam body supporting strip;
the suspension cable comprises two main cables (2), the two main cables (2) are arranged in parallel, one end of each main cable (2) is connected with one fixing column (3) of the tower column, the other end of each main cable (2) is connected with the other fixing column (3) of the tower column, and the same fixing column (3) connected with the two ends of each main cable (2) is located on the same side of the main beam.
6. The buffeting response study simulation model of the large-span suspension bridge of claim 5, wherein: the lower end of the tower column is further horizontally provided with a mounting base respectively, the mounting base is provided with an anchoring seat (13), the anchoring seat (13) is located on the outer side of the fixing column (3), two ends of the main beam are fixed on the corresponding anchoring seats (13) respectively, and the top end of the tower column is fixedly connected with the corresponding anchoring seats (13) through inhaul cables (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021401653.8U CN212206543U (en) | 2020-07-16 | 2020-07-16 | Buffeting response research simulation model of large-span suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021401653.8U CN212206543U (en) | 2020-07-16 | 2020-07-16 | Buffeting response research simulation model of large-span suspension bridge |
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| CN212206543U true CN212206543U (en) | 2020-12-22 |
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| CN202021401653.8U Expired - Fee Related CN212206543U (en) | 2020-07-16 | 2020-07-16 | Buffeting response research simulation model of large-span suspension bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370990A (en) * | 2022-01-20 | 2022-04-19 | 重庆大学 | Complex section three-dimensional buffeting force identification method based on double-balance synchronous force measurement technology |
-
2020
- 2020-07-16 CN CN202021401653.8U patent/CN212206543U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370990A (en) * | 2022-01-20 | 2022-04-19 | 重庆大学 | Complex section three-dimensional buffeting force identification method based on double-balance synchronous force measurement technology |
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