CN-121993222-A - Modularized replaceable energy dissipation hinge and flexible connection structure thereof for tunnel lining

CN121993222ACN 121993222 ACN121993222 ACN 121993222ACN-121993222-A

Abstract

The invention relates to the technical field of tunnel engineering, and discloses a modularized replaceable energy dissipation hinge and a tough connection structure thereof for tunnel lining, which belong to the technical field of earthquake resistance and error resistance of tunnel engineering. The invention is convenient for replacing the energy dissipation hinge, reduces the replacement difficulty of constructors, improves the construction efficiency, improves the stability and strength of a connecting part between the energy dissipation hinge and the lining, changes the defects that the traditional energy dissipation hinge is directly fixedly connected with the lining through a bolt, the bolt is easy to loosen and connect and is not tight when stressed, protects the safety of a main structure of a tunnel, and realizes the quick replacement of a damaged hinge module after earthquake, thereby greatly shortening the repair period of the tunnel, reducing the maintenance cost and obviously improving the anti-seismic toughness and the restorability of tunnel engineering.

Inventors

TANG JIE
CAI RUNCHENG
HE MANCHAO
ZHU CHUN
ZOU JUNPENG
REN SHULIN
Xiao Yingming
TAN FEI
TAO ZHIGANG

Assignees

河海大学

Dates

Publication Date: 20260508
Application Date: 20260312

Claims (10)

1. The modularized replaceable energy dissipation hinge is characterized by comprising a lining and a storage groove arranged on the lining, wherein an energy dissipation assembly used for lining connection is arranged in the storage groove, and two ends of the energy dissipation assembly are connected with connecting mechanisms extending into the lining; The energy dissipation assembly comprises an energy dissipation hinge, outer tensioning mechanisms for compressing the connecting mechanisms are arranged at two ends of the energy dissipation hinge, an inner tensioning mechanism connected with the energy dissipation hinge is arranged between the two groups of outer tensioning mechanisms, a locking mechanism for locking the energy dissipation hinge is arranged between the inner tensioning mechanism and the adjacent outer tensioning mechanism, and an adjusting mechanism for adjusting states of the inner tensioning mechanism and the outer tensioning mechanism is arranged at the outer side of the energy dissipation hinge; the adjusting mechanism comprises a side plate arranged on one side of the energy dissipation hinge, one end of the side plate is fixedly connected with a guide rod, the other end of the side plate is rotatably sleeved with an adjusting rod, the adjusting rod is provided with a pushing unit for adjusting the motion states of the inner tensioning mechanism and the outer tensioning mechanism, and the guide rods are respectively provided with a stabilizing unit for keeping the inner tensioning mechanism and the outer tensioning mechanism stable.
2. The modularized replaceable energy dissipating hinge and the tough connecting structure for the tunnel lining thereof according to claim 1, wherein the pushing unit comprises pushing blocks I with two groups of threads sleeved on the outer ring of the adjusting rod, pushing frames I which are rotationally connected with the inner tensioning mechanism are rotationally connected to one sides of the pushing blocks I, pushing blocks II which are sleeved with the threads of the adjusting rod are installed on the sides, away from each other, of the pushing blocks I, and pushing frames II which are rotationally connected with the outer tensioning mechanism are rotationally connected to one sides of the pushing blocks II.
3. The modular replaceable energy dissipating hinge and the tough connecting structure for the tunnel lining, according to claim 1, wherein the stabilizing unit comprises two groups of first sliding blocks sleeved on the outer ring of the guide rod in a sliding manner, one sides of the first sliding blocks are rotationally connected with first stabilizing frames rotationally connected with the inner tensioning mechanism, second sliding blocks sleeved with the guide rod in a sliding manner are installed on the sides, away from each other, of the first sliding blocks, one side of the second sliding blocks is rotationally connected with second stabilizing frames rotationally connected with the outer tensioning mechanism, and the first sliding blocks and the second sliding blocks slide along the length direction of the guide rod.
4. The modular replaceable energy dissipating hinge and flexible connection structure for tunnel lining of claim 1, wherein the connection mechanism comprises a supporting plate, one side of the supporting plate is fixedly connected with a pull rod extending to the inside of the lining, and the supporting plate is penetrated with a first stabilizing hole for sleeving with the inner tensioning mechanism and the outer tensioning mechanism.
5. The modular replaceable energy dissipation hinge and the flexible connection structure for tunnel lining thereof according to claim 1, wherein the energy dissipation hinge comprises two groups of support plates which are arranged in parallel, an energy dissipation plate which is arranged in sequence along the length direction of the two groups of support plates is fixedly connected between the two groups of support plates, buffer plates are arranged at one ends of the two groups of support plates which are far away from each other, and a second stabilizing hole which penetrates through the buffer plates is formed in the support plates.
6. The modular replaceable energy dissipating hinge and the tough connecting structure for the tunnel lining, according to claim 1, wherein the inner tensioning mechanism comprises a clamping plate I rotationally connected with the pushing unit and the stabilizing unit, one side of the clamping plate I is fixedly connected with an extending plate I which is sequentially distributed along the length direction of the clamping plate I, the top of the extending plate I is fixedly connected with a penetrating rod, both sides of the penetrating rod are provided with locking grooves I which are used for being clamped with the locking mechanism, and the other end of the extending plate I is provided with a folding plate which is arranged in parallel with the clamping plate I.
7. A modular replaceable energy dissipating hinge and flexible connection structure for tunnel lining as claimed in claim 1, wherein the locking mechanism comprises a base plate connected with adjacent inner and outer tightening mechanisms, and locking blocks which are sequentially distributed along the length direction of the base plate and are used for locking the inner and outer tightening mechanisms are fixedly connected to one side of the base plate.
8. A modular replaceable energy dissipating hinge and a flexible connection structure for tunnel lining as claimed in claim 1, wherein the cross section of the end of the guide rod and the adjusting rod far from the side plate is of a regular polygon structure.
9. A modular replaceable energy dissipating hinge and flexible connection for tunnel lining as claimed in claim 1 wherein said adjustment lever drives said two sets of push blocks in a direction away from each other when rotated to drive said two sets of push blocks in a direction toward each other.
10. The modular replaceable energy dissipating hinge and the tough connecting structure for the tunnel lining of the modular replaceable energy dissipating hinge according to claim 1, wherein the opening of the accommodating groove is provided with a mounting groove, the mounting groove is provided with a cover plate, and the inner side of the cover plate is fixedly connected with a positioning pipe for being in butt joint with the adjusting mechanism.

Description

Modularized replaceable energy dissipation hinge and flexible connection structure thereof for tunnel lining Technical Field The invention relates to the technical field of tunnel engineering, in particular to a modularized replaceable energy dissipation hinge and a flexible connection structure thereof for tunnel lining. Background Tunnel engineering is a building built underground or under water or in mountain, paved with railway or built highway for motor vehicles to pass through, and is inevitably required to pass through some areas with complicated geological conditions, wherein some areas with frequent earthquakes are not lack. After an earthquake comes, tunnel engineering in the earthquake area mainly supports structural lining and can generate diseases such as circumferential, longitudinal and oblique cracking, vault falling, vault bottom rising, staggering and the like. In order to mitigate the seismic damage of the lining, seismic measures are required to be applied to the structure in combination with geological conditions. At present, more anti-seismic measures are applied to tunnel engineering, including reinforcing surrounding rocks of tunnels, improving the strength of lining concrete, arranging anti-seismic seams, damping layers, flexible joints and the like. The flexible joint is good in anti-seismic effect, seismic energy of a stratum transmitted into a lining during an earthquake can be well dissipated, lining damage is limited in a smaller range, a tunnel structure is protected from large-scale continuous damage, the conventional flexible joint is generally composed of a metal yield damper matched with a corresponding installation connecting mechanism, the metal yield damper utilizes the principle that the metal is elastically and plastically deformed to effectively absorb energy to realize intelligent vibration absorption of the tunnel lining, but the conventional metal yield damper is installed in a simple and convenient fixed mode during use and installation, the damaged metal yield damper is inconvenient to take out after the earthquake, and quick replacement operation is inconvenient. Disclosure of Invention In order to solve the technical problems in the prior art, the invention provides a modularized replaceable energy dissipation hinge and a flexible connection structure thereof for tunnel lining. The invention adopts the following technical scheme that the modularized replaceable energy dissipation hinge and the tough connection structure thereof for tunnel lining comprise a lining and a storage groove arranged on the lining, wherein an energy dissipation assembly for lining connection is arranged in the storage groove, and two ends of the energy dissipation assembly are connected with connection mechanisms extending into the lining; The energy dissipation assembly comprises an energy dissipation hinge, outer tensioning mechanisms for compressing the connecting mechanisms are arranged at two ends of the energy dissipation hinge, an inner tensioning mechanism connected with the energy dissipation hinge is arranged between the two groups of outer tensioning mechanisms, a locking mechanism for locking the energy dissipation hinge is arranged between the inner tensioning mechanism and the adjacent outer tensioning mechanism, and an adjusting mechanism for adjusting states of the inner tensioning mechanism and the outer tensioning mechanism is arranged at the outer side of the energy dissipation hinge; the adjusting mechanism comprises a side plate arranged on one side of the energy dissipation hinge, one end of the side plate is fixedly connected with a guide rod, the other end of the side plate is rotatably sleeved with an adjusting rod, the adjusting rod is provided with a pushing unit for adjusting the motion states of the inner tensioning mechanism and the outer tensioning mechanism, and the guide rods are respectively provided with a stabilizing unit for keeping the inner tensioning mechanism and the outer tensioning mechanism stable. As a further improvement of the scheme, the pushing unit comprises two groups of pushing blocks I which are sleeved on the outer ring of the adjusting rod through threads, one sides of the two groups of pushing blocks I are rotationally connected with a pushing and pulling frame I which is rotationally connected with the inner tensioning mechanism, one sides of the two groups of pushing blocks I which are far away from each other are provided with pushing blocks II which are sleeved on the threads of the adjusting rod, and one sides of the pushing blocks II are rotationally connected with a pushing and pulling frame II which is rotationally connected with the outer tensioning mechanism. As a further improvement of the scheme, the stabilizing unit comprises two groups of first sliding blocks which are sleeved on the outer ring of the guide rod in a sliding manner, one sides of the two groups of first sliding blocks are respectively connected with a