CN-121992894-A - Energy-consumption damping node assembly of steel-wood mixed structure and assembly method

CN121992894ACN 121992894 ACN121992894 ACN 121992894ACN-121992894-A

Abstract

The invention discloses an energy-consumption damping node assembly of a steel-wood mixed structure and an assembly method, which relate to the technical field of node assemblies of steel-wood mixed structures and comprise a positioning shell, wherein the left side and the right side of the positioning shell are fixedly connected with fixing plates, and the upper and lower both sides of positioning shell are provided with the auxiliary ring, offer on the fixed plate be used for with external structure fixed connection's mounting hole to guarantee node assembly and the steadiness of major structure connection. According to the energy-consumption damping node assembly of the steel-wood hybrid structure and the assembly method, the auxiliary plates on two sides of the inside of the collision air bag can be spread towards two sides when the air bag expands, the collision rod between the auxiliary plates and the positioning shell is pushed, the collision plates can be further close to the direction of the main structure, the clamping and stabilizing effects on the main structure are enhanced, the transverse displacement of the main structure under the impact is effectively limited, the cooperation effect is formed by buffering the auxiliary plates and the air bag of the buffer mechanism, and the integral energy-consumption damping effect of the node assembly is remarkably improved.

Inventors

YUAN MING
ZHANG YING
HUANG LEI
DUAN LINGLONG
YE YOULIN
YANG WENBO
SHEN SHILIANG
ZHANG YANNIAN
WANG ZIXIN
TIAN YUAN
HOU MENG

Assignees

中铁东北投资发展有限公司
中铁投资集团有限公司
大连交通大学

Dates

Publication Date: 20260508
Application Date: 20260410

Claims (9)

1. The utility model provides a steel wood hybrid structure's power consumption shock attenuation node assembly, includes positioning shell (1), the equal fixedly connected with fixed plate (3) in the left and right sides of positioning shell (1), and the upper and lower both sides of positioning shell (1) are provided with auxiliary ring (2), set up on fixed plate (3) be used for with external structure fixed connection's mounting hole, its material selects for use high strength steel to guarantee the steadiness that node assembly is connected with main structure, a serial communication port, set up buffer gear between auxiliary ring (2) and positioning shell (1), buffer gear realizes the preliminary buffering to external force impact through the mutually supporting of its first articulated elements (4) that contain and second articulated elements (5), the inboard of positioning shell (1) is provided with auxiliary mechanism with buffer gear inside, auxiliary mechanism drives through buffering effort and contradicts gasbag (10) and take place deformation and further cushion main structure.
2. The energy-dissipating and shock-absorbing node assembly of the steel-wood hybrid structure according to claim 1, wherein the buffer mechanism comprises a second connecting shaft (22), the second connecting shaft (22) is rotatably connected to the fixed plate (3), the outer end of the second connecting shaft (22) is fixedly connected with the second hinge (5), the outer side of the second hinge (5) is hinged with a first connecting shaft (21), the first connecting shaft (21) is fixedly connected with the first hinge (4), and the other end of the first hinge (4) is fixedly connected with the auxiliary ring (2).
3. The energy-consuming damping node assembly of the steel-wood hybrid structure according to claim 2, wherein the outer side of the first connecting shaft (21) and the outer side of the second hinge member (5) are fixedly connected with a first torsion spring (6), the inner side of the second hinge member (5) is fixedly connected with a second torsion spring (14) between the inner side of the second hinge member (5) and the fixed plate (3), and the first torsion spring (6) and the second torsion spring (14) are matched with each other to play a role in resetting and buffering the rotation of the first connecting shaft (21) and the second connecting shaft (22).
4. The steel-wood hybrid structure energy consumption shock attenuation node assembly of claim 3, wherein the auxiliary mechanism comprises an abutting air bag (10), the abutting air bag (10) is fixedly connected to the inner side of the positioning shell (1), the outer side of the abutting air bag (10) is attached to the outer wall of the main body structure, the inner side of the abutting air bag (10) is not in contact with the positioning shell (1) in a stable state, and meanwhile, a communicating pipeline (8) is connected to the side of the abutting air bag (10) in a penetrating manner.
5. The energy-dissipating and shock-absorbing node assembly of the steel-wood hybrid structure according to claim 4, wherein the fixing plate (3) is fixedly connected with a fixing box (7), the side of the fixing box (7) is communicated with the other end of the communicating pipeline (8), the inside of the fixing box (7) is slidably connected with an air supply plate (18), meanwhile, the lower end of the air supply plate (18) is fixedly connected with a connecting rod (17), the connecting rod (17) is slidably connected to the lower side of the fixing box (7), the lower end of the connecting rod (17) is fixedly connected with a pulling plate (19), and a reset spring (20) is fixedly connected between the lower surface of the air supply plate (18) and the inside of the fixing box (7).
6. The steel-wood hybrid structure energy-dissipating and shock-absorbing node assembly of claim 5, wherein the outer end of the first connecting shaft (21) is fixedly connected with an auxiliary shaft (16), the outer side of the auxiliary shaft (16) is fixedly connected with a traction rope (15), the other end of the traction rope (15) is fixedly connected below the pulling plate (19), and the air supply plate (18) is positioned above the fixed box (7) in a stable state.
7. The steel-wood hybrid structure energy consumption shock attenuation node assembly of claim 6, wherein the movable groove (9) is formed in the positioning shell (1), the abutting plates (13) are fixedly connected to the front side and the rear side of the inner portion of the positioning shell (1), the left end and the right end of each abutting plate (13) are slidably connected to the inner portion of the movable groove (9), the middle portion of each abutting plate (13) is attached to the outer side of the main body structure, and meanwhile the edge ends of the abutting plates (13) are in arc-shaped structure.
8. The steel-wood hybrid structure energy consumption shock attenuation node assembly of claim 7, wherein the auxiliary plate (11) is fixedly connected to two sides of the inside of the collision air bag (10), the collision rod (12) is connected to the inside of the movable groove (9) in a sliding mode, the side of the collision rod (12) is in an arc-shaped structure, one end of the collision rod (12) is located between the auxiliary plate (11) and the positioning shell (1), and the other end of the collision rod (12) faces to one side of the arc-shaped end of the collision plate (13).
9. The method for assembling the energy-dissipating and shock-absorbing node assembly of the steel-wood composite structure of claim 8, comprising the steps of: S1, sleeving and installing a positioning shell (1) and an auxiliary ring (2) at a preset position of a main body structure, ensuring that the central axis of the positioning shell (1) coincides with the central axis of the main body structure, and enabling the auxiliary ring (2) to be positioned on the upper side and the lower side of the positioning shell (1) and be primarily attached to the outer wall of the main body structure; S2, fixedly connecting the fixing plate (3) with an external steel-wood mixed structure main body frame by using high-strength bolts through mounting holes on the fixing plate (3), ensuring that the stress on the fixing plates (3) at two sides is uniform when the bolts are screwed, ensuring that the positioning shell (1) is stably mounted without loosening, checking the connection condition of each part of the buffer mechanism, manually pushing the auxiliary ring (2), observing whether the rotation of the first hinge piece (4) and the second hinge piece (5) around the first connecting shaft (21) and the second connecting shaft (22) is smooth, and simultaneously confirming that the first torsion spring (6) and the second torsion spring (14) can provide stable elastic restoring force in the rotation process; S3, debugging the auxiliary mechanism, firstly checking whether the collision air bag (10) is intact or not, whether air leakage exists or not, then respectively connecting two ends of the communication pipeline (8) with the collision air bag (10) and the fixed box (7) tightly, ensuring that the joint is sealed well, then observing whether the air supply plate (18) is positioned above the fixed box (7) in a stable state, observing whether the traction rope (15) is in a tensioning state but not excessively stretched, and whether the return spring (20) is in a natural telescopic state, observing whether the buffer mechanism can realize primary buffering through the cooperation of the first hinge part (4) and the second hinge part (5), and meanwhile, judging whether the auxiliary mechanism can drive the collision air bag (10) to deform, further buffering the main structure, and ensuring the normal exertion of the energy consumption and shock absorption functions of the whole node assembly.

Description

Energy-consumption damping node assembly of steel-wood mixed structure and assembly method Technical Field The invention relates to the technical field of steel-wood mixed structure node assemblies, in particular to an energy-consumption damping node assembly of a steel-wood mixed structure and an assembly method. Background The steel-wood mixed structure has wide application in the building field, combines the characteristics of high strength of steel, environmental protection, attractive appearance of wood and the like, and has good comprehensive performance, however, in the steel-wood mixed structure, the nodes are used as key parts for connecting different components, the stress condition is complex, and the nodes are easy to be weak links of the structure under the action of external loads such as earthquake, strong wind and the like. In order to solve the above-mentioned defect, prior art one (bulletin number is CN214036652U, bulletin day 2021-08-24's chinese patent) is a shock attenuation connected node, including the fixed plate, one side of fixed plate is provided with slide bar and mobile jib, the external diameter of slide bar is provided with first spring and shock pad, one side of slide bar is provided with the transfer line, the one end of transfer line is provided with the piston rod of taking the piston, piston and shock cylinder sliding connection, the damping hole has been seted up on the piston, preliminary shock attenuation to vibrations through first spring and shock pad, and the shock pad has the noise reduction effect, vibrations drive the piston motion through slide bar and transfer line, hydraulic oil in the shock cylinder passes the damping hole on the piston and produces damping and subducts vibrations to reduce the influence of vibrations to this connected node, through setting up the transfer line on the slide bar and set up the division board in the center of shock cylinder, divide into two with the vibrations of coming and subduct, reduce single shock system's pressure, improve the shock attenuation effect of this connected node. The damping steel structure node component comprises a plurality of steel frames distributed in parallel, wherein the bottoms of the steel frames are respectively provided with a base, assembly components are detachably assembled on the surfaces of the steel frames, rack assembly components are assembled at the tops of the steel frames in a deflection mode, the rack assembly components are connected with the assembly components through damping mechanisms, the structural steel frames are erected above the rack assembly components, the damping mechanisms comprise cylindrical cylinders which are inserted into each other and are connected through elastic pieces, the damping mechanisms are designed on the corresponding steel frames, when shearing force is generated at the node positions of the components, supporting and damping treatment of the structural steel frames can be achieved through the lever principle, the situation that the whole upper frame plates are easily broken due to large stress is avoided, and the damping mechanism can be used for achieving protection of the nodes and has high popularization. Although the prior art realizes the damping function to a certain extent, the prior art still has the defects in the aspects of characteristic adaptation and multi-dimensional cooperative lifting of damping efficiency aiming at the steel-wood mixed structure, for example, the prior art mainly relies on a combination of a spring, a damping pad and hydraulic damping, the structure is relatively complex, and the problem of stress concentration or uneven damping effect at a node can be caused due to the insufficient consideration of different deformation characteristics of two materials of steel and wood. Therefore, we propose a steel-wood hybrid structure energy-dissipating and shock-absorbing node assembly and an assembly method thereof, so as to solve the above-mentioned problems. Disclosure of Invention The invention aims to provide an energy-consumption damping node assembly of a steel-wood mixed structure and an assembly method thereof, which are used for solving the problems that the prior market mainly relies on the combination of springs, damping pads and hydraulic damping, the structure is relatively complex, and the consideration of different deformation characteristics of two materials of steel and wood is insufficient, so that stress concentration or uneven damping effect can occur at the node. The energy-consumption damping node assembly comprises a positioning shell, wherein the left side and the right side of the positioning shell are fixedly connected with fixing plates, the upper side and the lower side of the positioning shell are provided with auxiliary rings, the fixing plates are provided with mounting holes for fixedly connecting with an external structure, high-strength steel is selected as a material to ensure the connection sta