CN-121992872-A - Multi-layer module assembly type steel structure energy dissipation and vibration reduction device

CN121992872ACN 121992872 ACN121992872 ACN 121992872ACN-121992872-A

Abstract

The application discloses a multi-layer module assembly type steel structure energy-consumption damping device, which relates to the technical field of steel structure damping devices and comprises an upper connecting seat, a lower connecting seat, high-strength bolts, a connecting structure, an energy-consumption module and a limiting structure, wherein the upper connecting seat and the lower connecting seat are respectively fixed on a beam body or a column body at a modularized steel structure connecting node through the high-strength bolts, the connecting structure is used for connecting the upper connecting seat and the lower connecting seat and limiting the displacement range of the upper connecting seat and the lower connecting seat, the energy-consumption module is arranged between the upper connecting seat and the lower connecting seat and is used for consuming earthquake energy, and the limiting structure is arranged at the edges of the upper connecting seat and the lower connecting seat and is used for limiting the displacement range of the energy-consumption module. The application can effectively improve the energy consumption capability and the deformability of the modularized steel structure and avoid the damage of the structure caused by the fact that the energy cannot be effectively consumed in an earthquake.

Inventors

XU BO
HE CHUNPING
LIN XIANXIANG
ZHANG BOYA
YANG ZHENJIE
PENG XIAOYUN
ZHAO YIQUAN
XU YUEBIN
GUO JUNMIN
XU LE

Assignees

四川航天建筑工程有限公司

Dates

Publication Date: 20260508
Application Date: 20260224

Claims (10)

1. The multi-layer module assembled steel structure energy consumption damping device is characterized by comprising an upper connecting seat (1), a lower connecting seat (2), high-strength bolts (3), a connecting structure (4), energy consumption modules (5) and a limiting structure (6), wherein the upper connecting seat (1) and the lower connecting seat (2) are respectively fixed on a beam body or a column body at a modularized steel structure connecting node through the high-strength bolts (3), the connecting structure (4) is used for connecting the upper connecting seat (1) and the lower connecting seat (2) and limiting the displacement range of the upper connecting seat (1) and the lower connecting seat (2), the energy consumption modules (5) are arranged between the upper connecting seat (1) and the lower connecting seat (2) and are used for consuming seismic energy, and the limiting structure (6) is arranged at the edges of the upper connecting seat (1) and the lower connecting seat (2) and is used for limiting the displacement range of the energy consumption modules (5).
2. The multi-layer module assembled steel structure energy-dissipating and shock-absorbing device according to claim 1, wherein the energy-dissipating module (5) comprises an upper end plate (51), a lower end plate (52) and a plurality of energy-dissipating core plates (53) which are arranged between the upper end plate (51) and the lower end plate (52) and are sequentially overlapped, and rubber shock-absorbing gaskets (54) are arranged between the upper end plate (51) and the energy-dissipating core plates (53), between the lower end plate (52) and the energy-dissipating core plates (53) and between adjacent energy-dissipating core plates (53).
3. The multi-layer module assembled steel structure energy-consumption damping device according to claim 2, wherein the energy-consumption core plate (53) is arranged in a wave shape, and wave-shaped grooves matched with the energy-consumption core plate (53) are formed in the upper end plate (51) and the lower end plate (52).
4. The multi-layer module assembled steel structure energy-dissipating and shock-absorbing device according to claim 3, wherein a plurality of limit posts (531) are arranged on the end face of the energy-dissipating core plate (53), and the limit posts (531) are embedded in rubber shock-absorbing gaskets (54) on the same side.
5. The multi-layer module assembled steel structure energy dissipation and shock absorption device according to claim 1, wherein the connecting structure (4) comprises a counter-pulling screw rod (41) and limiting nuts (42), a plurality of first mounting holes for the counter-pulling screw rod (41) to pass through are formed in the lower connecting seat (2), a plurality of second mounting holes for the counter-pulling screw rod (41) to pass through are formed in the upper connecting seat (1), the first mounting holes and the second mounting holes are in one-to-one correspondence, and the limiting nuts (42) are matched with the counter-pulling screw rod (41).
6. The multi-layer module assembled steel structure energy dissipation and shock absorption device according to claim 5, wherein the connecting structure (4) further comprises a frame buckle plate (43), a plurality of through holes are formed in the frame buckle plate (43), the through holes correspond to the opposite pulling screw rods (41) one by one and are used for allowing the corresponding opposite pulling screw rods (41) to pass through, elastic pulling pieces (431) are arranged on the frame buckle plate (43) and located at the positions of each through hole, notches (411) for allowing the elastic pulling pieces (431) to be clamped in are formed in the side walls of the opposite pulling screw rods (41), clamping blocks (432) are arranged on the elastic pulling pieces (431), and clamping grooves (412) for allowing the clamping blocks (432) to be inserted are formed in the notches (411).
7. The multi-layer module assembled steel structure energy dissipation and shock absorption device according to claim 1, wherein the limiting structure (6) comprises a first limiting frame strip (61) and a second limiting frame strip (62), the first limiting frame strip (61) is provided with a plurality of limiting frame strips and is fixed on the upper connecting seat (1) through screws, the first limiting frame strips (61) are distributed along the circumferential direction of the upper connecting seat (1), the second limiting frame strip (62) is provided with a plurality of limiting frame strips and is fixed on the lower connecting seat (2) through screws, and the second limiting frame strips (62) are arranged along the circumferential direction of the upper connecting seat (1).
8. The multi-layer module assembled steel structure energy dissipation and shock absorption device of claim 7, wherein the first limit frame strip (61) corresponds to the second limit frame strip (62) one by one, a buckling block (621) is arranged on the side wall of the second limit frame strip (62), a sliding groove (611) is formed in the first limit frame strip (61), and the buckling block (621) corresponding to the second limit frame strip (62) is clamped in.
9. The multi-layer module assembled steel structure energy dissipation and shock absorption device according to claim 7, wherein elastic pressing sheets (63) are arranged on the inner sides of the second limiting frame strips (62), and the elastic pressing sheets (63) are used for abutting against the side walls of the energy dissipation modules (5).
10. The multi-layer module assembled steel structure energy-consumption damping device according to claim 2, wherein the energy-consumption core plate (53) is arranged in a conical shape, the lower end plate (52) is provided with a conical groove matched with the energy-consumption core plate (53), and the upper end plate (51) is provided with a conical protruding block matched with the energy-consumption core plate (53).

Description

Multi-layer module assembly type steel structure energy dissipation and vibration reduction device Technical Field The application relates to the technical field of steel structure damping devices, in particular to a multi-layer module assembly type steel structure energy dissipation damping device. Background Along with the development of building industrialization, the modularized steel structure building gradually becomes an important development direction of the building industry due to the advantages of high construction speed, environmental protection, energy conservation and the like. However, the conventional modularized steel structure has a defect in anti-seismic performance, and the safety and stability of the structure face serious challenges when disasters such as earthquake occur. In recent years, students at home and abroad have made a great deal of researches on the anti-seismic performance of a modularized steel structure, and various technical means for enhancing the anti-seismic capability are proposed, such as high-strength bolt connection or the addition of a metal damper, a friction damper and the like. The mode of adopting high-strength bolt connection increases the structural strength of the steel structure connection node, but the energy consumption capability and the deformability are limited, and the structural damage is easy to cause under the action of earthquake in particular. The metal damper, the friction damper and the like need complex operation and accurate positioning in the installation process, the technical requirements on constructors are high, and the construction difficulty and cost are increased. Moreover, these techniques also face difficulties in terms of post-maintenance, such as the need to periodically inspect and replace components, with high maintenance costs. Therefore, the development of the energy-consumption damping technology suitable for the modularized steel structure has important engineering significance. Disclosure of Invention Aiming at the problems in the prior art, the application provides a multi-layer module assembly type steel structure energy dissipation and vibration reduction device. The application provides a multilayer module assembly type steel structure energy consumption and shock absorption device, which adopts the following technical scheme: The utility model provides a multilayer module assembled steel construction power consumption damping device, includes connecting seat, lower connecting seat, high strength bolt, connection structure, power consumption module and limit structure, go up connecting seat and lower connecting seat and fix respectively on the roof beam body or the cylinder of modularization steel construction junction through high strength bolt, connection structure is used for connecting seat and lower connecting seat to restrict the displacement scope of connecting seat and lower connecting seat, power consumption module sets up between last connecting seat and lower connecting seat for consume seismic energy, limit structure installs in the edge of last connecting seat and lower connecting seat for the displacement scope of restriction power consumption module. Optionally, the power consumption module includes upper end plate, lower end plate, a plurality of install and overlap in proper order the power consumption core between upper end plate and lower end plate, all be provided with rubber shock attenuation gasket between upper end plate and the power consumption core, between lower end plate and the power consumption core, and between the adjacent power consumption core. Optionally, the energy-dissipating core plate is provided with a wave shape, and the upper end plate and the lower end plate are both provided with wave-shaped grooves matched with the energy-dissipating core plate. Optionally, the terminal surface of power consumption core is provided with a plurality of spacing posts, spacing post inlays and establishes in the rubber shock pad of homonymy. Optionally, connection structure includes to drawing screw rod and stop nut, be provided with a plurality of first mounting holes that are used for supplying to drawing screw rod to pass on the lower connecting seat, be provided with a plurality of second mounting holes that are used for supplying to drawing screw rod to pass on the upper connecting seat, first mounting hole and second mounting hole one-to-one, stop nut and to drawing screw rod adaptation. Optionally, connection structure still includes the frame buckle, be provided with a plurality of through-holes on the frame buckle, the through-hole is with to drawing the screw rod one-to-one, and is used for supplying corresponding to drawing the screw rod and pass, on the frame buckle and be located every through-hole position all be provided with the elasticity plectrum, the lateral wall to drawing the screw rod is provided with the breach that supplies the elasticity plectrum card to go into, be pro