Fabricated steel frame structure with shock absorption and isolation functions

Abstract

The utility model provides a have shock attenuation shock insulation function's fabricated steel frame structure relates to fabricated steel frame field, include: steel column and I -beam, the steel column is welded with I -shaped column beam connecting piece, the both sides of upper and lower of two ends of I -shaped steel beam all are fixedly connected with a L type connecting plate, and every L type connecting plate all is connected with a set of shock attenuation subassembly. Through the setting of shock attenuation subassembly, can effectively dissipate vibration energy, not only has reduced the fatigue damage of column beam connecting node place component, also effectively promoted the overall stability and safety durability of building structure, thereby prolonged the service life of building, the beam column rigid connection node of existing fabricated steel frame structure under the action of earthquake and other strong dynamic load can cause column beam resonance effect, and vibration energy dissipation needs to rely on the plastic deformation of column beam node component itself to realize, thereby aggravates the fatigue damage of node component, the problem of serious threat to the overall stability and safety durability of building.

Description

Technical Field

[0001] This utility model relates to the field of prefabricated steel frame technology, and in particular to prefabricated steel frame structures with vibration reduction and isolation functions. Background Technology

[0002] In the field of building construction, prefabricated structures have become an important direction for modern building development due to their advantages such as high degree of industrialization, short construction cycle, less on-site wet work, and low resource waste. Among them, prefabricated steel frame structures are widely used in various engineering scenarios such as multi-story and high-rise buildings, industrial plants, and public buildings because steel has the characteristics of high strength, good ductility, light weight, and high recyclability.

[0003] In existing prefabricated steel frame structures, rigid connections are commonly used between steel columns and steel beams. Under strong dynamic loads such as earthquakes, this rigid connection can cause resonance between the columns and beams. The dissipation of vibration energy mainly relies on the plastic deformation of the components at the column-beam connection nodes. This not only exacerbates fatigue damage to the components at the column-beam connection nodes, but also poses a serious threat to the overall stability and durability of the building structure, affecting the service life of the building. Utility Model Content

[0004] This utility model relates to a prefabricated steel frame structure with vibration reduction and isolation functions. It solves the problem that the rigid beam-column connection nodes of existing prefabricated steel frame structures will cause column-beam resonance under strong dynamic loads such as earthquakes. The dissipation of vibration energy depends on the plastic deformation of the column-beam node components themselves, which aggravates the fatigue damage of the node components and seriously threatens the overall stability and safety of the building.

[0005] In a first aspect, this utility model provides a prefabricated steel frame structure with vibration damping and isolation functions, specifically comprising: steel columns and I-beams, wherein I-beam connectors are welded to the steel columns; each of the upper and lower sides of the I-beams is fixedly connected to an L-shaped connecting plate, and each L-shaped connecting plate is connected to a set of vibration damping components, the vibration damping components being installed on the I-beam connectors; the vibration damping components include a mounting plate, a sliding steel plate A, and a sliding steel plate B, the mounting plate being connected to the I-beams by bolts. The mounting plate is fixedly connected to the connecting parts. Wear-resistant bushings are fixedly embedded inside both sliding steel plates A and B, and the wear-resistant bushings are slidably connected to the guide steel rod. First rubber damping blocks are bonded to both the upper and lower ends of sliding steel plate A with adhesive, and second rubber damping blocks are bonded to both the upper and lower ends of sliding steel plate B with adhesive. A limiting steel plate is welded to the upper end of the guide steel rod, and the limiting steel plate is located above the second rubber damping block. The limiting steel plate is welded to the guide steel rod.

[0006] Furthermore, the upper and lower end faces of the I-shaped column-beam connector are welded with a first reinforcing rib to one side of the steel column, and both the upper and lower end faces of the I-shaped column-beam connector are provided with mounting through holes for mounting bolts.

[0007] Furthermore, an I-shaped vibration isolation pad is attached to one end face of the I-shaped column-beam connector near the I-shaped steel beam using adhesive, and the I-shaped vibration isolation pad is in close contact with one end face of the I-shaped steel beam.

[0008] Furthermore, a second reinforcing rib is welded between the I-shaped steel beam and the L-shaped connecting plate, and a sliding bushing is fixedly embedded in the L-shaped connecting plate, and the sliding bushing is slidably connected to the guide steel rod.

[0009] Furthermore, the L-shaped connecting plate is located between the first rubber damping block and the second rubber damping block.

[0010] Furthermore, the upper surfaces of both the first and second rubber damping blocks are provided with circular through holes in an annular array, and the guide steel rod passes through the circular through holes provided on the first and second rubber damping blocks.

[0011] This utility model provides a prefabricated steel frame structure with shock absorption and vibration isolation functions, which has the following beneficial effects:

[0012] I. By setting up vibration damping components, the first and second rubber damping blocks can effectively dissipate vibration energy during an earthquake, avoiding reliance on the plastic deformation of the column-beam joint components themselves for energy dissipation. At the same time, the setting of the I-shaped vibration isolation pads enables effective vibration isolation between the I-shaped column-beam connector and the opposite end of the I-shaped steel beam. This not only significantly reduces fatigue damage to the components at the column-beam joint, but also effectively improves the overall stability and safety durability of the building structure, thereby extending the service life of the building.

[0013] Second, this utility model connects the mounting plate to the I-beam column connector with bolts, which makes it easier to separate the I-beam steel beam from the I-beam column connector. This not only improves construction and maintenance efficiency, but also facilitates the recycling and reuse of components in the later stage, which meets the requirements of green building and sustainable development. Attached Figure Description

[0014] To more clearly illustrate the technical solution of this utility model, the accompanying drawings of this utility model will be briefly described below.

[0015] In the attached diagram:

[0016] Figure 1 A three-dimensional structural schematic diagram of this application is shown;

[0017] Figure 2A structural schematic diagram of the steel column and I-beam connector of this application is shown;

[0018] Figure 3 A structural schematic diagram of the I-beam and L-shaped connecting plate of this application is shown;

[0019] Figure 4 The diagram shows the structural schematics of the steel columns, I-beam column connectors, I-beam steel beams, and damping components of this application.

[0020] Figure 5 A partial cross-sectional structural schematic diagram of the damping component of this application is shown.

[0021] List of reference numerals

[0022] 1. Steel column;

[0023] 2. I-beam connector; 201. First reinforcing rib; 202. I-beam vibration isolation pad; 203. Mounting through hole;

[0024] 3. I-beam; 301. L-shaped connecting plate; 302. Second reinforcing rib; 303. Sliding bushing;

[0025] 4. Vibration damping components; 401. Mounting plate; 402. Guide steel rod; 403. First rubber damping block; 404. Sliding steel plate A; 405. Second rubber damping block; 406. Sliding steel plate B; 407. Limiting steel plate; 408. Wear-resistant bushing. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0027] Example 1: Please refer to Figures 1 to 5 :

[0028] This utility model proposes a prefabricated steel frame structure with vibration reduction and isolation functions, including: steel columns 1 and I-beams 3. I-beam connectors 2 are welded onto the steel columns 1. An L-shaped connecting plate 301 is fixedly connected to the upper and lower sides of both ends of the I-beams 3, and a set of vibration damping components 4 is connected to each L-shaped connecting plate 301. The vibration damping components 4 are installed on the I-beam connectors 2. The vibration damping components 4 include a mounting plate 401, a sliding steel plate A404, and a sliding steel plate B406. The mounting plate 401 is connected to the I-beam connectors 2 by bolts. A guide steel rod 402 is fixedly connected to the mounting plate 401. Wear-resistant bushings 408 are fixedly embedded inside the sliding steel plates A404 and B406, and the wear-resistant bushings 408 slide against the guide steel rods 402. The sliding steel plate A404 has a first rubber damping block 403 bonded to both its upper and lower ends with adhesive, and the sliding steel plate B406 has a second rubber damping block 405 bonded to both its upper and lower ends with adhesive. A limiting steel plate 407 is welded to the upper part of the guide steel rod 402, and the limiting steel plate 407 is located above the second rubber damping block 405. The limiting steel plate 407 is welded to the guide steel rod 402. Through the setting of the damping component 4, the first rubber damping block 403 and the second rubber damping block 405 can effectively dissipate vibration energy during an earthquake, avoiding reliance on the plastic deformation of the column-beam joint components themselves for energy dissipation. This not only reduces fatigue damage to the components at the column-beam connection joint, but also improves the overall stability and safety durability of the building structure, thereby extending the service life of the building.

[0029] The upper and lower ends of the I-beam connector 2 are welded to one side of the steel column 1 with a first reinforcing rib 201. The upper and lower ends of the I-beam connector 2 are provided with mounting through holes 203 for mounting bolts.

[0030] An I-shaped vibration isolation pad 202 is attached to one end face of the I-shaped column-beam connector 2 near the I-shaped steel beam 3 with adhesive, and the I-shaped vibration isolation pad 202 is in close contact with one end face of the I-shaped steel beam 3. Through the setting of the I-shaped vibration isolation pad 202, the opposite ends of the I-shaped column-beam connector 2 and the I-shaped steel beam 3 are effectively isolated from vibration.

[0031] The L-shaped connecting plate 301 is located between the first rubber damping block 403 and the second rubber damping block 405, which can effectively dampen the vibration between the I-shaped column-beam connector 2 and the I-shaped steel beam 3, and reduce the fatigue damage of the connection node between the I-shaped column-beam connector 2 and the I-shaped steel beam 3.

[0032] The upper surfaces of the first rubber damping block 403 and the second rubber damping block 405 are provided with circular through holes in an annular array, and the guide steel rod 402 passes through the circular through holes provided on the first rubber damping block 403 and the second rubber damping block 405.

[0033] Example 2, based on Example 1, such as Figure 3 As shown, a second reinforcing rib 302 is welded between the I-beam 3 and the L-shaped connecting plate 301. A sliding bushing 303 is fixedly embedded on the L-shaped connecting plate 301, and the sliding bushing 303 is slidably connected to the guide steel rod 402. By setting the sliding bushing 303, wear between the L-shaped connecting plate 301 and the guide steel rod 402 can be avoided, thereby improving the service life of the L-shaped connecting plate 301 and ensuring the reliability of the shock absorption assembly 4 during long-term use.

[0034] The working principle of this embodiment is as follows: During installation, the sliding steel plate A404 is first slidably connected to the outside of the guide steel rod 402 through the wear-resistant bushing 408, as shown below. Figure 4 As shown, the first rubber damping block 403, which is bonded to the lower end face of the sliding steel plate A404, contacts the upper end face of the mounting plate 401, while the first rubber damping block 403, which is bonded to the upper end face of the sliding steel plate A404, contacts the bottom left end face of the L-shaped connecting plate 301. Then, the sliding steel plate B406 is slidably connected to the outside of the guide steel rod 402 through the wear-resistant bushing 408, so that the second rubber damping block 405, which is bonded to the lower end face of the sliding steel plate B406, contacts the top end face of the L-shaped connecting plate 301. Then, the limiting... The limiting steel plate 407 is fitted onto the upper part of the guide steel rod 402. At this time, the limiting steel plate 407 is located on the upper part of the second rubber damping block 405 bonded to the upper end face of the sliding steel plate B406. Then, the limiting steel plate 407 is welded together with the guide steel rod 402. The damping component 4 is connected to the L-shaped connecting plate 301. Then, the mounting plate 401 is connected to the I-shaped column beam connector 2 by bolts, thus completing the installation. At this time, the I-shaped column beam connector 2 and the I-shaped steel beam 3 are effectively connected.

[0035] During an earthquake, the first rubber damping block 403 and the second rubber damping block 405 can effectively dissipate vibration energy, thus eliminating the need to rely on the plastic deformation of the column-beam joint components themselves. Furthermore, the I-shaped vibration isolation pad 202 can effectively isolate vibration between the opposite ends of the I-shaped column-beam connector 2 and the I-shaped steel beam 3, which not only effectively reduces fatigue damage to the components at the column-beam joint but also provides effective protection for the overall stability and durability of the building structure.

[0036] The following points should be noted in this article:

[0037] 1. The accompanying drawings of this utility model only relate to the structures involved in this utility model; other structures can be referred to conventional designs.

[0038] 2. Where there is no conflict, the embodiments of this utility model and the features in the embodiments can be combined with each other to obtain new embodiments.

[0039] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. Prefabricated steel frame structures with vibration damping and isolation functions, including: A steel column (1) and an I-beam (3), wherein an I-beam connector (2) is welded onto the steel column (1); characterized in that an L-shaped connecting plate (301) is fixedly connected to both the upper and lower sides of the I-beam (3), and a set of damping components (4) is connected to each L-shaped connecting plate (301), wherein the damping components (4) are installed on the I-beam connector (2); the damping components (4) include a mounting plate (401), a sliding steel plate A (404) and a sliding steel plate B (406), wherein the mounting plate (401) is connected to the I-beam connector (2) by bolts, and a guide steel rod (4) is fixedly connected to the mounting plate (401). 02), wear-resistant bushings (408) are fixedly embedded inside the sliding steel plate A (404) and the sliding steel plate B (406), and the wear-resistant bushings (408) are slidably connected to the guide steel rod (402). The upper and lower end faces of the sliding steel plate A (404) are bonded with first rubber damping blocks (403) by adhesive. The upper and lower end faces of the sliding steel plate B (406) are bonded with second rubber damping blocks (405) by adhesive. The upper end of the guide steel rod (402) is welded with a limiting steel plate (407), and the limiting steel plate (407) is located above the second rubber damping block (405). The limiting steel plate (407) is welded to the guide steel rod (402).

2. The prefabricated steel frame structure with vibration damping and isolation function according to claim 1, characterized in that: The upper and lower ends of the I-shaped column-beam connector (2) are welded to one side of the steel column (1) with a first reinforcing rib (201). The upper and lower ends of the I-shaped column-beam connector (2) are provided with mounting through holes (203).

3. The prefabricated steel frame structure with vibration damping and isolation function according to claim 1, characterized in that: An I-shaped vibration isolation pad (202) is attached to one end face of the I-shaped column-beam connector (2) near the I-shaped steel beam (3) by an adhesive, and the I-shaped vibration isolation pad (202) is in close contact with one end face of the I-shaped steel beam (3).

4. The prefabricated steel frame structure with vibration damping and isolation function according to claim 1, characterized in that: A second reinforcing rib (302) is welded between the I-beam (3) and the L-shaped connecting plate (301). A sliding bushing (303) is fixedly embedded on the L-shaped connecting plate (301), and the sliding bushing (303) is slidably connected to the guide steel rod (402).

5. The prefabricated steel frame structure with vibration damping and isolation function according to claim 1, characterized in that: The L-shaped connecting plate (301) is located between the first rubber damping block (403) and the second rubber damping block (405).

6. The prefabricated steel frame structure with vibration damping and isolation function according to claim 1, characterized in that: The upper surfaces of the first rubber damping block (403) and the second rubber damping block (405) are provided with circular through holes in an annular array, and the guide steel rod (402) passes through the circular through holes opened on the first rubber damping block (403) and the second rubber damping block (405).

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