Large steel structure plant with function of reducing wind load resonance

Abstract

A large steel structure plant with a wind load resonance reducing function is characterized in that a steel structure cross beam (3) is fixedly mounted on a steel structure stand column (1), an iron sheet enclosure plate (2) is connected in a seaming manner, a supporting steel plate (4) is arranged on the surface of the top of the steel structure cross beam (3), a rubber vibration isolator (5) is mounted on the supporting steel plate (4), and the rubber vibration isolator (5) is connected with the steel structure stand column (1). The iron sheet enclosure plate (2) is connected with the steel structure cross beam (3) through the rubber vibration isolator (5), the iron sheet enclosure plate (2) and the rubber vibration isolator (5) are fixed on the steel structure cross beam (3) through fixing bolts (204), and a vibration reduction inhaul cable system (6) is arranged above the iron sheet enclosure plate (2). By optimizing the connecting mode of the iron sheet enclosure plate and additionally arranging the vibration reduction structure, the resonance response of the iron sheet enclosure plate under the wind load effect is effectively reduced, and the stability and safety of the enclosure structure are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to large -scale steel structure factory building construction technical field, concretely relates to a large -scale steel structure factory building with reduce wind load resonance effect. BACKGROUND

[0002] Large -scale steel structure factory building with its construction period is short, space utilization rate is high, and the bearing capacity is strong, and is widely used in industrial building. However, under the action of wind load, the iron sheet enclosure board often resonates due to the insufficient rigidity of itself, unreasonable connection mode and wind vibration excitation and other problems. Resonance can cause the iron sheet enclosure board to deform, damage, and even the connecting parts to loosen and fall off, not only affect the normal use of the factory building, but also exist serious safety hidden trouble. Some existing solutions have limited effect, complex structure, high cost and other problems in practical application, and an effective structure is urgently needed to reduce the resonance of the iron sheet enclosure board under the action of wind load. SUMMARY

[0003] The utility model discloses a large -scale steel structure factory building with reduce wind load resonance effect, and the connection mode of iron sheet enclosure board is optimized, and the damping structure is additionally arranged, so that the resonance response of iron sheet enclosure board under the action of wind load is effectively reduced, and the stability and safety of the enclosure structure are improved.

[0004] The utility model discloses a large -scale steel structure factory building with reduce wind load resonance effect, and the connection mode of iron sheet enclosure board is optimized, and the damping structure is additionally arranged, so that the resonance response of iron sheet enclosure board under the action of wind load is effectively reduced, and the stability and safety of the enclosure structure are improved.

[0005] A large -scale steel structure factory building with reduce wind load resonance effect, including steel structure stand 1, iron sheet enclosure board 2 and steel structure crossbeam 3, steel structure crossbeam 3 is fixedly installed on steel structure stand 1, iron sheet enclosure board 2 adopts the connection of mouth, and the top surface of steel structure crossbeam 3 is provided with support steel plate 4, and rubber vibration isolator 5 is installed on support steel plate 4, iron sheet enclosure board 2 is connected with steel structure crossbeam 3 through rubber vibration isolator 5, and iron sheet enclosure board 2 and rubber vibration isolator 5 are fixed on steel structure crossbeam 3 through fixed bolt 204, and damping cable system 6 is arranged above iron sheet enclosure board 2.

[0006] The utility model discloses a large -scale steel structure factory building with reduce wind load resonance effect, and the connection mode of iron sheet enclosure board is optimized, and the damping structure is additionally arranged, so that the resonance response of iron sheet enclosure board under the action of wind load is effectively reduced, and the stability and safety of the enclosure structure are improved.

[0007] As the utility model technical scheme is further specifically optimized: cross brace is arranged between the column of steel structure stand 1, and the cross brace is composed of high-strength steel pull rod, which can improve the overall lateral stiffness of steel structure stand 1, reduce the deformation under the action of wind load, and thus reduce the possibility of resonance of iron sheet enclosure board 2.

[0008] As the further specific optimization of the utility model technical scheme: the iron sheet enclosure board 2 adopts the aluminized zinc steel sheet, its thickness is 0.8-1.2mm, and the wave type is YX51-380-760 type, the selection of this material and specification not only guarantees that the panel has higher strength and rigidity, but also has better wind resistance.

[0009] As the further specific optimization of the utility model technical scheme: the steel structure crossbeam 3 adopts variable cross-section design, the cross-section size of one end close to the steel structure stand 1 is larger, and the cross-section size of one end far from the steel structure stand 1 gradually reduces.

[0010] As the further specific optimization of the utility model technical scheme: the side of adjacent iron sheet enclosure board 2 is tightly connected through the mutual engagement of male buckle 201 and female buckle 202, and the elastic sealing rubber strip 203 is arranged at the engagement place of male buckle 201 and female buckle 202, and male buckle 201 and female buckle 202 and elastic sealing rubber strip 203 are fixed on the steel structure stand 1 through fixing bolt 204.

[0011] As the further specific optimization of the utility model technical scheme: the damping cable system 6 includes multiple cables 601 and adjusting device 602. One end of cable 601 is fixed at the top of steel structure stand 1, and the other end is connected with the upper surface of iron sheet enclosure board 2 through connecting seat.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] Advantage 1: the utility model enhances the connection tightness and integrity between iron sheet enclosure boards 2 by adopting the joint type connection and setting elastic sealing rubber strip 203, and simultaneously plays the buffering and damping effect and reduces the resonance effect.

[0014] Advantage 2: the variable cross-section design of steel structure crossbeam 3 improves the carrying capacity and stability of itself, the setting of rubber vibration isolator 5 can isolate vibration transmission, reduce the vibration amplitude of iron sheet enclosure board 2, and reduce the probability of resonance occurrence.

[0015] Advantage 3: the damping cable system 6 changes the vibration frequency of iron sheet enclosure board 2 by adjusting the pretightening force of cable 601, so that it avoids the wind load excitation frequency, and fundamentally suppresses the resonance phenomenon. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall appearance structure schematic diagram of the utility model;

[0017] Figure 2 It is the overall internal structure schematic diagram of the utility model;

[0018] Figure 3 It is the iron sheet enclosure board 2 connecting structure schematic diagram of the utility model;

[0019] Figure 4 It is the steel structure crossbeam 3 structure schematic view of the utility model;

[0020] Figure 5 It is the damping cable system 6 installation structure schematic view of the utility model;

[0021] Figure 6 It is the damping cable system 6 structure schematic view of the utility model.

[0022] Mark explanation: steel structure stand 1, iron sheet enclosure board 2, steel structure crossbeam 3, support steel plate 4, rubber vibration isolator 5, damping cable system 6. DETAILED DESCRIPTION

[0023] The exemplary embodiments disclosed by the utility model will be described in more detail below with reference to the drawings. Example 1

[0024] A large steel structure factory building with the function of reducing wind load resonance, comprising steel structure stand 1, iron sheet enclosure board 2 and steel structure crossbeam 3. The iron sheet enclosure board 2 adopts the connection of the mouth, and the side of adjacent iron sheet enclosure board 2 is tightly connected through the mutual engagement of the male buckle 201 and the female buckle 202, and the elastic sealing rubber strip 203 is arranged at the engagement of the male buckle 201 and the female buckle 202, and the male buckle 201, the female buckle 202 and the elastic sealing rubber strip 203 are fixed on the steel structure stand 1 through the fixing bolt 204. It can not only enhance the tightness of the connection, but also play the role of buffering and reducing resonance.

[0025] The steel structure crossbeam 3 is fixedly installed on the steel structure stand 1, in order to improve the carrying capacity and stability of the steel structure crossbeam 3, the steel structure crossbeam 3 adopts variable cross-section design, the cross-section size of the end close to the steel structure stand 1 is larger, and the cross-section size of the end away from the steel structure stand 1 gradually decreases.

[0026] The top surface of the steel structure crossbeam 3 is provided with the support steel plate 4, the rubber vibration isolator 5 is installed on the support steel plate 4, the iron sheet enclosure board 2 is connected with the steel structure crossbeam 3 through the rubber vibration isolator 5, and the iron sheet enclosure board 2 and the rubber vibration isolator 5 are fixed on the steel structure crossbeam 3 through the fixing bolt 204; the rubber vibration isolator 5 can effectively isolate the vibration transmission caused by wind load and reduce the vibration amplitude of the iron sheet enclosure board 2.

[0027] A damping cable system 6 is arranged above the iron sheet enclosure 2, and the damping cable system 6 comprises a plurality of cables 601 and an adjusting device 602. One end of the cable 601 is fixed to the top of the steel structure column 1, and the other end is connected to the upper surface of the iron sheet enclosure 2 through a connecting seat. The adjusting device 602 is installed on the cable 601, and is used to adjust the pre-tightening force of the cable 601. By changing the pre-tightening force of the cable 601, the vibration frequency of the iron sheet enclosure 2 can be adjusted to avoid the excitation frequency of the wind load.

[0028] A cross brace is arranged between the steel structure columns 1, and the cross brace is composed of high-strength steel rods. The cross brace can improve the overall lateral stiffness of the steel structure column 1, reduce the deformation under the action of the wind load, and provide a stable support environment for the iron sheet enclosure 2, thereby reducing the possibility of resonance of the iron sheet enclosure 2.

[0029] Further, the iron sheet enclosure 2 is made of an aluminum-zinc plated steel plate with a thickness of 0.8-1.2mm and a wave type of YX51-380-760. The selection of such material and specifications ensures that the panel has high strength and stiffness, and ensures that the panel has good wind resistance. In cooperation with other structures, the stability of the enclosure structure under the wind load is improved. Embodiment 2

[0030] In the construction process of a large steel structure factory building, first, the steel structure column 1 is vertically installed on the foundation through expansion bolts, and the steel structure beam 3 is fixed and welded on the steel structure column 1 according to the design requirements. The steel structure beam 3 adopts a variable cross-section design to ensure accurate installation position and firm welding connection with the steel structure column 1. The support steel plate 4 is welded and installed on the upper surface of the steel structure beam 3, and the rubber vibration isolator 5 is laid on the support steel plate 4.

[0031] Then, the side edges of the iron sheet enclosure 2 are assembled by a bite type connection, and an elastic sealing strip 203 is placed at the bite of the male buckle 201 and the female buckle 202. The surface of the elastic sealing strip 203 can also be coated with sealing glue to ensure tight connection.

[0032] Furthermore, the assembled iron sheet enclosure 2 is fixed to the steel structure column 1 by the fixing bolt 204; the assembled iron sheet enclosure 2 is placed on the rubber vibration isolator 5, and the iron sheet enclosure 2 and the rubber vibration isolator 5 are fixed to the steel structure beam 3 by the fixing bolt 204.

[0033] Then, the damping cable system 6 is installed, the top of the steel structure column 1 is installed on a steel fixed beam, one end of the cable 601 is fixed on the fixed beam, the other end is connected with the upper surface of the iron sheet enclosure 2 through the connecting seat, and the adjusting device 602 is installed. According to the design requirement, the pre-tightening force of the cable 601 is adjusted through the adjusting device 602, so that the vibration frequency of the iron sheet enclosure 2 avoids the excitation frequency of the wind load.

[0034] Finally, the cross bracing (that is, the conventional reinforcing rib) between the steel structure columns 1 is installed, the installation angle and the connection mode of the cross bracing are ensured to meet the design specification, and the overall lateral stiffness of the steel structure column 1 is improved. After the factory building is completed, the pre-tightening force of the cable 601 and other parameters can be appropriately adjusted according to the actual use condition and the monitoring data, so as to ensure the stability of the iron sheet enclosure 2 under the action of the wind load.

[0035] The detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed, but only represents the selected embodiments of the utility model.

Claims

1. A large steel structure factory building with reduced wind load resonance, characterized in that: It includes steel structure columns (1), sheet metal enclosure panels (2) and steel structure beams (3); the steel structure beams (3) are fixedly installed on the steel structure columns (1), the sheet metal enclosure panels (2) are connected by interlocking joints, the top surface of the steel structure beams (3) is provided with a support steel plate (4), a rubber vibration isolator (5) is installed on the support steel plate (4), the sheet metal enclosure panels (2) are connected to the steel structure beams (3) through the rubber vibration isolators (5), and the sheet metal enclosure panels (2) and the rubber vibration isolators (5) are fixed to the steel structure beams (3) by fixing bolts (204), and a vibration damping cable system (6) is provided above the sheet metal enclosure panels (2).

2. A large steel structure factory building with wind load resonance reduction effect according to claim 1, characterized in that: Cross bracing is provided between the steel structure columns (1), and the cross bracing is composed of high-strength steel tie rods.

3. A large steel structure factory building with wind load resonance reduction effect according to claim 1, characterized in that: The sheet metal enclosure (2) is made of aluminum-zinc coated steel sheet with a thickness of 0.8-1.2mm and a wave shape of YX51-380-760.

4. A large steel structure factory building with reduced wind load resonance as described in claim 1, characterized in that: The steel structure beam (3) adopts a variable cross-section design. The cross-section size is larger at the end closer to the steel structure column (1) and gradually decreases at the end farther away from the steel structure column (1).

5. A large steel structure factory building with wind load resonance reduction effect according to claim 1, characterized in that: The sides of adjacent sheet metal enclosure panels (2) are tightly connected by interlocking male buckles (201) and female buckles (202). An elastic sealing strip (203) is provided at the interlocking point of the male buckle (201) and female buckle (202). The male buckle (201), female buckle (202) and elastic sealing strip (203) are fixed to the steel structure column (1) by fixing bolts (204).

6. A large steel structure factory building with wind load resonance reduction effect according to claim 1, characterized in that: The vibration damping cable system (6) includes multiple cables (601) and an adjustment device (602); one end of the cable (601) is fixed to the top of the steel structure column (1), and the other end is connected to the upper surface of the sheet metal enclosure (2) through a connecting seat.

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