CN-122014300-A - Deformable anti-seismic device suitable for tunnel structure

CN122014300ACN 122014300 ACN122014300 ACN 122014300ACN-122014300-A

Abstract

The application relates to a deformable shock-resistant device suitable for a tunnel structure. The deformable anti-seismic device comprises an arc-shaped plate, a horizontal shock-insulating component, a vertical shock-absorbing component and a splicing adapting component, wherein the arc-shaped plate is made of flexible deformation materials and can generate flexible deformation along with the deformation of a tunnel structure, the horizontal shock-insulating component is used for buffering and dissipating shock energy in the horizontal direction of the tunnel, the vertical shock-absorbing component is used for absorbing and absorbing shock energy in the vertical direction of the tunnel, and the splicing adapting component is arranged on two sides of the arc-shaped plate and used for realizing splicing and fixing of a plurality of arc-shaped plates. The horizontal vibration isolation component can efficiently dissipate horizontal earthquake energy through the relative sliding of the components, effectively isolate horizontal vibration, and the vertical vibration isolation component forms a multistage vibration isolation system and can efficiently absorb and dissipate vertical vibration energy. Compared with the prior art, the all-dimensional and multi-level treatment on the earthquake action in the horizontal and vertical directions is realized, the energy dissipation efficiency is higher, and the earthquake reduction and isolation performance is more reliable.

Inventors

LI RUI
FANG RENQI
CHEN TIELIN
WANG LIJUN
XIAO ZHIMING
ZHANG ZHILEI
HE YUQIANG
Wang Gujian
ZHANG YAN
YANG HUIXIN

Assignees

国能朔黄铁路发展有限责任公司
北京交通大学

Dates

Publication Date: 20260512
Application Date: 20260317

Claims (10)

1. A deformable shock resistant device adapted for use in a tunnel structure, comprising: the arc-shaped plate (1) is made of flexible deformation materials, and can generate flexible deformation along with the deformation of the tunnel structure; The horizontal vibration isolation component (2) is arranged at the bottom end of the arc-shaped plate (1) and is used for buffering and dissipating vibration energy in the horizontal direction of the tunnel; the vertical damping component (3) is arranged in the arc-shaped plate (1) and is used for absorbing and resolving vibration energy in the vertical direction of the tunnel; The splicing adapting assembly is arranged on two sides of the arc-shaped plates (1) and used for realizing splicing fixation of a plurality of arc-shaped plates (1).
2. Deformable and shock-resistant device suitable for tunnel structures according to claim 1, characterized in that said horizontal shock-resistant assembly (2) comprises: the fixing plate (21) assembly is connected with the bottom end of the arc-shaped plate (1); a slide bar (22), the slide bar (22) being fixed inside the fixed plate (21) assembly; a slide assembly in sliding engagement with the slide bar (22); And the limiting spring (23) is arranged between the fixed plate (21) assembly and the sliding assembly and is used for driving the sliding assembly to reset and buffer horizontal vibration.
3. Deformable and shock-resistant device suitable for tunnel structures according to claim 2, characterized in that said fixed plate (21) assembly comprises: the fixing device comprises at least two fixing plates (21), wherein the two fixing plates (21) are arranged in a cross manner along the horizontal direction, and the fixing plates (21) are detachably connected.
4. A deformable shock resistant device adapted for use in a tunnel structure as claimed in claim 2, wherein said sliding assembly comprises: The connecting plate (24) is arranged on the fixed plate (21) component; The sliding block (25), the fixed connection of said sliding block (25) and said junction plate (24), the said sliding block (25) is connected with said slide bar (22) slidably; The sliding cylinder (26) is fixedly connected with the connecting plate (24), and the sliding cylinder (26) is in sliding connection with the other sliding rod (22).
5. The deformable shock-resistant device suitable for tunnel structures according to claim 4, wherein the limit spring (23) is movably sleeved on the periphery of the slide rod (22) in sliding connection with the slide cylinder (26), one end of the limit spring (23) is connected with the fixed plate (21) assembly, and the other end of the limit spring is connected with the slide cylinder (26).
6. Deformable and shock-resistant device suitable for tunnel structures according to claim 5, characterized in that said vertical shock-absorbing assembly (3) comprises: The fixing piece (31), the fixing piece (31) is connected with the top of the inner wall of the arc-shaped plate (1); the elastic shock absorbing piece is connected with the fixing piece (31) and is used for absorbing at least part of vertical vibration energy; The bottom end of the vertical rod (37) is connected with the horizontal shock insulation component (2); and the swing damping component is connected between the elastic damping piece and the vertical rod (37) and is used for absorbing at least one part of vertical vibration energy.
7. The deformable shock resistant device adapted for use in a tunnel structure of claim 6 wherein said resilient shock absorbing member comprises: A round rod (32), wherein the top end of the round rod (32) is connected with the fixing piece (31); The damping spring (33), damping spring (33) cover is located the periphery of round bar (32), damping spring (33)'s bottom is connected with slider (34), slider (34) with round bar (32) sliding connection.
8. The deformable shock resistant device adapted for use in a tunnel structure of claim 7 wherein said swing damper assembly comprises: at least two swinging rods (35), one swinging rod (35) is rotationally connected with the sliding piece (34), and the other swinging rod (35) is rotationally connected with the vertical rod (37); -a spring damper (36), said spring damper (36) being connected between adjacent said swinging rods (35).
9. The deformable seismic device adapted for use in a tunnel structure of claim 1, wherein the splice adaptation assembly comprises: the slot (4) is formed in one side of the arc-shaped plate (1); The inserting plates (5) are fixed on the other sides of the arc-shaped plates (1), and the adjacent two arc-shaped plates (1) are spliced through the insertion of the inserting plates (5) and the slots (4).
10. The deformable seismic device adapted for use in a tunnel structure of claim 9, wherein the splice adaptation assembly further comprises: the square grooves (6) are respectively arranged at the top end and the bottom end of the inner wall of the slot (4) and the middle part of the plugboard (5), and the positions of the square grooves (6) in each square groove (6) are in one-to-one correspondence; The square rods (7) are embedded in the square grooves (6) corresponding to each other in each group of the square grooves (6), so that the mortise joint fixation of two adjacent arc plates (1) is realized.

Description

Deformable anti-seismic device suitable for tunnel structure Technical Field The application relates to the technical field of tunnel engineering, in particular to a deformable anti-seismic device suitable for a tunnel structure. Background In tunnel engineering, earthquakes are one of the major disasters threatening structural safety. Seismic waves contain complex horizontal and vertical motion components, and the requirement of omnibearing protection is put forward on the anti-seismic device. In the prior art, the earthquake-proof device for the tunnel is mainly designed by adopting a transverse and longitudinal split earthquake-proof structure, only can pointedly cope with the vibration of a tunnel in a single direction, lacks a directional collaborative damping mechanism for the horizontal omnidirectional and the vertical direction of earthquake waves, greatly reduces the damping effect when facing the horizontal and vertical composite vibration generated by the earthquake, cannot realize the omnidirectional vibration buffering and energy dissipation, and the tunnel structure is still easy to be sheared and stretch-broken due to the vibration energy which is not digested. Disclosure of Invention Based on the above, a deformable anti-seismic device suitable for a tunnel structure is provided, so that the problems that the tunnel structure is easy to shear and stretch to damage due to vibration are solved. An embodiment of the present application proposes a deformable anti-seismic device suitable for tunnel structures, comprising: the arc-shaped plate is made of flexible deformation materials and can generate flexible deformation along with the deformation of the tunnel structure; the horizontal vibration isolation component is arranged at the bottom end of the arc-shaped plate and used for buffering and dissipating vibration energy in the horizontal direction of the tunnel; The vertical damping component is arranged in the arc-shaped plate and is used for absorbing and resolving vibration energy in the vertical direction of the tunnel; The splicing adapting assembly is arranged on two sides of the arc-shaped plate and used for realizing splicing fixation of a plurality of arc-shaped plates. In one embodiment, the horizontal seismic isolation assembly comprises: the fixed plate assembly is connected with the bottom end of the arc-shaped plate; The sliding rod is fixed in the fixing plate assembly; the sliding component is in sliding fit with the sliding rod; And the limiting spring is arranged between the fixed plate assembly and the sliding assembly and is used for driving the sliding assembly to reset and buffer horizontal vibration. In one embodiment, the fixing plate assembly includes: The fixing plates are arranged in a cross manner along the horizontal direction, and the fixing plates are detachably connected. In one embodiment, the slide assembly includes: the connecting plate is arranged on the fixed plate assembly; the sliding block is fixedly connected with the connecting plate and is in sliding connection with the sliding rod; The sliding cylinder is fixedly connected with the connecting plate and is in sliding connection with the other sliding rod. In one embodiment, the limit spring is movably sleeved on the periphery of the sliding rod in sliding connection with the sliding cylinder, one end of the limit spring is connected with the fixed plate assembly, and the other end of the limit spring is connected with the sliding cylinder. In one embodiment, the vertical shock absorbing assembly comprises: the fixing piece is connected with the top of the inner wall of the arc-shaped plate; The elastic damping piece is connected with the fixing piece and is used for absorbing at least part of vertical vibration energy; the bottom end of the vertical rod is connected with the horizontal shock insulation component; And the swing damping component is connected between the elastic damping piece and the vertical rod and is used for absorbing at least one part of vertical vibration energy. In one embodiment, the elastic shock absorbing member includes: the top end of the round rod is connected with the fixing piece; the damping spring is sleeved on the periphery of the round rod, the bottom end of the damping spring is connected with a slider, and the slider is in sliding connection with the round rod. In one embodiment, the swing damper assembly includes: at least two swinging rods, one swinging rod is rotationally connected with the sliding piece, and the other swinging rod is rotationally connected with the vertical rod; And the spring shock absorber is connected between the adjacent swinging rods. In one embodiment, the splice adaptation assembly comprises: the slot is formed in one side of the arc-shaped plate; The inserting plate is fixed on the other side of the arc-shaped plate, and the adjacent two arc-shaped plates are spliced through the insertion of the inserting plate and the inserting grooves