106 results about "Seismic resistance" patented technology

The present invention relates to an open joint metal panel, a method of manufacturing the same, and an open joint exterior wall structure having seismic resistance, leakage and fire spread prevention functions. More specifically, the invention provides a double leakage blocking structure that includes a joint gasket and a watertight gasket, and a double leakage blocking structure that blocks some rainwater entering the interior of the open joint metal panel from entering the construction wall surface through the leakage blocking protrusion of the bracket and the anchor in the drainage guide and fire spread prevention panel, and allows water collected through the drainage guide and fire spread prevention panel to be discharged to the outside through the open joint metal panel and the drainage frame, thereby maximizing leakage performance. The invention relates to an open joint metal panel, a method of manufacturing the same, and an open joint exterior wall structure having seismic resistance, leakage and fire spread prevention functions. An open joint metal panel according to the present invention is characterized by comprising: a panel member having a side portion bent at each side and a panel fixing portion bent outwardly at the end of the side portion; a gasket fixing flange frame fixedly installed on the inner circumference of each side portion; and a watertight gasket fitted and coupled to the gasket fixing flange frame.

This invention discloses a time and frequency management unit for a spacecraft, comprising a power conversion module, a clock source module, a baseband output module, and a baseband control and processing module stacked along a first direction. Each module includes a housing; all housings are of uniform size; the housings of adjacent modules are connected by an interlocking locking structure. The time and frequency management unit also includes multiple through-hole screws extending along the first direction and penetrating all modules, which, together with the locking structure, fix the modules into a single unit. This invention significantly improves spatial integration and facilitates the disassembly and maintenance of individual modules; the locking structure blocks electromagnetic wave leakage and interference; the through-hole screws form a rigid, unified whole, meeting extremely high seismic resistance requirements.

This invention provides a device and method for testing the seismic performance of a power distribution cabinet. The device includes: a frame; a base plate disposed directly above the frame, on which the power distribution cabinet is placed for testing; a vibration mechanism disposed between the frame and the base plate, used to perform vibration performance testing on the base plate at different response levels; a first detection mechanism for acquiring first test information during testing; and a second detection mechanism for acquiring second test information from the outside and inside of the device under test in real time. According to this invention, by using a vibration mechanism to test the base plate with different response parameters, the vibration performance of the power distribution cabinet can be comprehensively considered, and its seismic performance under different levels of vibration can be tested. Combining the first and second test information, the corresponding seismic performance can be accurately obtained. By importing the first test information into a response level model, the actual test level can be obtained, thus obtaining the test level corresponding to the test result.

The application discloses an assembly underground station structure beam slab column joint pseudo-dynamic test device and method, belongs to the field of assembled underground structure seismic resistance technology, and comprises a test specimen model, a counterforce wall, a transverse actuating mechanism, a hinged support, a clamping support and a longitudinal actuating mechanism, the test specimen model is composed of multiple prefabricated components; the counterforce wall comprises vertically arranged counterforce wall vertical walls and horizontally arranged counterforce wall bases; the transverse actuating mechanism is fixedly arranged on the inner side of the counterforce wall vertical wall and connected with the top end of the prefabricated upper column, is used for transmitting reciprocating load to simulate transverse seismic action; the hinged support is fixedly connected on the counterforce wall base; the clamping support is fixedly connected with the test specimen model and is used for simulating earth pressure applied to the test specimen model on both sides of the station structure; the longitudinal actuating mechanism is fixedly connected on the counterforce frame, the longitudinal actuating mechanism acts on the top end of the prefabricated upper column and applies axial compression to simulate top earth pressure and road surface load. The application can intuitively simulate the seismic damage process and the form of the large underground structure joint.

This utility model relates to the field of bridge seismic resistance technology, and particularly to a seismic toughness protection structure for high-speed railway box girder bridges. The structure is installed in the gap between the pier and the main girder. It includes three sets of support blocks, each set comprising two support block units. The two support block units in the same set are spaced apart along the longitudinal direction of the bridge. Each support block unit is located near the top edge of the pier, and the vertical distance between the top surface of each support block unit and the bottom surface of the main girder does not exceed 4 cm. This design provides a displacement of more than 1 m in any horizontal direction after the main girder is dislodged, significantly improving the bridge structure's ability to withstand strong earthquakes. The support blocks ensure that the main girder maintains an upright posture after dislodging, preventing slippage and lateral collisions with the piers, thereby greatly reducing seismic damage to the main girder and pier foundations. Simultaneously, it effectively controls track deformation and damage, maximizing the safety of trains traveling on the bridge.

This invention relates to the field of seismic resistance technology for spatial frame structures, and discloses a method for determining the energy dissipation mechanism of a steel-concrete composite column-composite beam spatial frame. The energy dissipation mechanism includes steel beams, steel-concrete composite columns, and reinforced concrete slabs. The steel beams are welded and fixed to the steel-concrete composite columns via reinforcing rings, and the steel beams are fixedly connected to the reinforced concrete slabs via studs. Tie bars are provided at the ends of the steel-concrete composite columns. The ratio of the flexural bearing capacity of the steel beams to that of the steel-concrete composite columns is within the range of 0.42 to 1.05. By introducing the ductile damage parameter of the steel, combined with the inter-story drift angle, cumulative energy dissipation, beam-column energy dissipation ratio curve, and finite element calculation results of stiffness damage of the spatial frame, the energy dissipation characteristics and energy dissipation mechanism type of the structure are determined. This invention aims to solve the technical problems in the prior art where the steel-concrete composite columns do not form sufficient compression-bending hinges for energy dissipation during seismic resistance, easily leading to collapse, and the technical problems of using beam energy dissipation mechanisms in seismic design while rarely considering column energy dissipation.

The application discloses a high-voltage box with high anti-vibration performance, and relates to the technical field of energy storage systems; and specifically comprises a high-voltage box body internally provided with a fuse, a relay and a main control module, and a connecting socket fixedly installed on the outer wall of the high-voltage box body. The intermediate flexible part of the soft copper bar can effectively buffer and absorb vibration energy, prevents vibration from being transmitted from the connecting socket to key elements such as the fuse and the relay, and solves the problem that the bolts of a traditional hard copper bar are prone to loosening in a multiple-vibration environment. Various special-shaped terminals are automatically positioned and prevented from deviating during connection through geometric shape design, thereby improving assembly efficiency and consistency. Heat-absorbing fins are provided with vertical guide grooves one on both sides, a bottom part is provided with a guide groove two parallel to the bottom end of the fin, and a connecting block is provided with a guide groove four on the bottom part, so that the three form a continuous condensate water flow guide network, condensate water on the surface of the fin is actively guided to the gathering connecting box, and the influence of the condensate water is avoided.

This utility model discloses a rebar connection device for structural columns in prefabricated steel structure buildings, comprising a sleeve. The sleeve is characterized by an internal threaded connection to a bidirectional screw rod, with a nut threaded to the other end of the screw rod, and a threaded connection at one end of the sleeve to the longitudinal reinforcing bar of the structural column. The beneficial effects of this utility model are: the device achieves rapid rebar connection through a simple mechanical structure, eliminating the need for welding, thus significantly shortening construction time and improving construction efficiency; it avoids the problem of welding quality being affected by manual technical factors, and the mechanical connection method allows for more stable control of connection quality, reducing safety hazards caused by improper welding; since on-site welding is not required, energy consumption and environmental pollution are reduced; the new device, requiring no welding, provides better seismic performance and improves the safety of the building structure.

This invention relates to the field of geotechnical engineering investigation and undisturbed sampling technology, and discloses a method for accurately obtaining undisturbed soil samples from boreholes guided by seismic parameters. The method includes the following steps: S1, Exploration data acquisition and identification of key seismic layers: Acquire geotechnical engineering investigation data of the target site. Based on the soil physical and mechanical parameters in the geotechnical engineering investigation data, identify and locate at least one key seismic soil layer that has a controlling effect on the site's seismic response. By constructing a multi-parameter fusion rule base for identifying key seismic soil layers, the automatic identification and location of liquefaction layers, weak layers, and wave velocity interface layers that have a controlling effect on the site's seismic response are achieved. Based on the identification results, the sampling location is dynamically planned to ensure that the sampling range fully covers the top, bottom, and middle sections of the key layer, avoiding the omission of key features due to sampling location deviations in traditional methods. This ensures that the obtained undisturbed soil samples can truly reflect the engineering characteristics of the site's weak points in seismic resistance.

The present application relates to the technical field of steel bars, and discloses a fatigue test device for the anti-seismic performance of steel bars and an experimental method thereof, which comprises a workbench, two mounting housings and a vibration system. A placing plate main plate and two symmetrically arranged placing auxiliary plates are arranged above the workbench, and a steel bar body is placed on the placing plate main plate and the two symmetrically arranged placing auxiliary plates. The placing plate main plate and the placing auxiliary plates facilitate the stable placement and alignment of the steel bar with a test reference. The hydraulic cylinder cooperates with a positioning block, and realizes double positioning in combination with a baffle, a mounting sliding block and a resistance spring, so that the clamping is stable and reliable. The vibration system can accurately apply a vibration load with a preset frequency and amplitude to simulate a real anti-seismic scene. The servo motor drives the forward threaded rod and the reverse threaded rod to adjust the position of the hydraulic cylinder, realizes multi-positioning-point fatigue detection, and synchronously monitors the state of the steel bar in real time through a visual detection sensor, so that the data acquisition is comprehensive and accurate. After the test, each component is automatically returned to the original position through a return spring, and the operation is convenient.

The utility model discloses a high stable high anti -seismic car steering axle, including first axle body and second axle body, the lower extreme of first axle body is equipped with the installation groove, the upper extreme of second axle body is equipped with the connecting groove, the connecting groove has the multiple guide convex stripe of second axle body axial extension in array, the lower extreme outer periphery of first axle body still has the multiple guide groove of corresponding each guide convex stripe in array, the lower extreme sliding connection of first axle body is in the connecting groove, each guide convex stripe is matched with corresponding guide groove, the installation groove still is fixed with shock absorber, the piston rod end portion of shock absorber is fixed with the bottom of connecting groove, the lower extreme of first axle body and the upper extreme of second axle body still are connected with spring, the utility model discloses stable and reliable, and also have higher anti -seismic performance.

This application relates to a wooden main structure, belonging to the field of wooden building technology. It includes a supporting plane positioned between two walls. The supporting plane includes supporting beams, connecting beams, and inclined beams. Several supporting beams are erected between the two walls, and several connectors are evenly and fixedly installed on each supporting beam. Several connecting beams are vertically arranged between adjacent supporting beams, with their ends fixed to the connectors. Several inclined beams are inclinedly arranged between adjacent supporting beams, with their ends fixed to the connectors. A damping pile is fixedly installed at the bottom of each connector, and damping rods are installed between adjacent damping piles. The damping rods are arranged along both the length and width of the supporting plane. This application has the effect of reducing excessive load concentration and beam vibration when a wooden building supports a unidirectional inclined plane, thereby improving its load-bearing capacity and seismic resistance.

This invention relates to the field of precast column and cast-in-place beam construction technology, and particularly to a connection structure and construction method for precast columns and cast-in-place beams. The invention includes: a precast column, and a cast-in-place beam assembled on one side of the precast column; a butt joint structure disposed between the precast column and the cast-in-place beam; the butt joint structure includes mating components and auxiliary components. Through the structural design of the butt joint structure, this invention facilitates the connection between precast columns and cast-in-place beams. Simultaneously, the precast columns do not require pre-embedded reinforcing bars in the prefabrication plant, reducing transportation protection requirements, facilitating long-distance transportation, accelerating construction efficiency, and improving overall efficiency. Furthermore, the mechanical interlocking of reinforcing bars and anchoring grooves forms multiple force transmission paths. By adjusting the lengths of the first and second connecting parts, the number of inserted columns, and their arrangement, the invention can adapt to beams with different cross-sectional dimensions and structural requirements of different seismic resistance levels.

The utility model discloses an external type damping device of transformer valve side bushing, including setting energy dissipation subassembly in transformer box body one side and with valve side bushing connection, energy dissipation subassembly bottom is equipped with support piece, support piece is fixed at the lower edge department of valve side bushing, energy dissipation subassembly is connected with valve side bushing through the ring that sets up on valve side bushing, energy dissipation subassembly is connected with ring through connecting rod, the utility model discloses through installing specific shock attenuation and energy dissipation mechanism outside valve side bushing, reduces the vibration influence through additional energy dissipation mechanism under the action of earthquake, and reduces the amplitude of bushing in the earthquake, reduces porcelain bushing fracture, oil leakage etc. Failure possibility, improves transformer overall anti -seismic performance.

This invention relates to the field of power equipment technology, and in particular to a right-angle fitting for a valve hall and valve tower in an ultra-high voltage converter station. The fitting includes a support column with a disc fixedly connected to its outer wall; a shielding ball with a fixing ring fixedly connected to its inner wall, and multiple circumferentially arrayed connecting rods connecting the fixing ring and the disc; a connector fixedly connected to the top of the support column, with a sliding joint and a rotating joint movably connected to the connector, one end of which is respectively connected to a sliding end and a fixed end of a nut; multiple insulating sleeves detachably connected to the outside of the sliding end and the fixed end of the nut; and a protective mechanism disposed between the insulating sleeves and the shielding ball, comprising a reinforcing sleeve, a ring, and a protective cloth. This invention, by incorporating a protective mechanism and an adjustment unit, effectively reduces redundant space, prevents bird intrusion, and improves seismic performance, offering advantages such as reduced redundant space, lower risk of bird intrusion, and improved seismic performance.

This invention discloses a partially discontinuous point-bearing cantilever structure with vertical components and its construction method. The partially discontinuous point-bearing cantilever structure includes: a core tube; a cantilevered space structure located at the top of the core tube; at least two hinged supports with horizontal stiffness and distributed point-like arrangement, located between the core tube and the cantilevered space structure; peripheral frame columns, with continuous vertical components in the building height direction, and the peripheral frame columns are made of force-transmitting material from the floor where the cantilevered space structure is located; and a ring truss connecting the cantilevered space structure and the peripheral frame columns. The construction method is used for the partially discontinuous point-bearing cantilever structure with vertical components. The partially discontinuous point-bearing cantilever structure with vertical components has the advantages of simple construction, simple node construction, effective release of temperature stress, reduction of core tube concrete damage, improved stress distribution and seismic performance, coordinated vertical deformation, and flexible control of horizontal displacement and distribution of lateral stiffness.

The application relates to an assembled elevator column foot connecting structure, which comprises a steel column, a notch and a circular through hole are formed in the bottom of the steel column; a fixing piece, the fixing piece comprises a bottom plate, a limiting sleeve and a rib plate, the limiting sleeve and the rib plate are fixedly connected to the bottom plate, the rib plate is arranged in cooperation with the notch, the limiting sleeve is provided with a limiting hole corresponding to the circular through hole; and a lower buried piece, the lower buried piece is fixedly connected to one end of the bottom plate away from the steel column. The application achieves the effects of improving the stability, reliability and installation efficiency of the assembled elevator column foot connecting structure, and enhancing the structural bearing capacity and the anti-seismic performance.

This invention belongs to the field of seismic resistance technology for building structures, and relates to a bending energy-dissipating coupled shear wall beam device, including a first beam segment, a second beam segment, and a sliding connection mechanism for connecting the first and second beam segments. Both the first and second beam segments have a reinforcing structure at their ends near the corresponding shear wall. The sliding connection mechanism includes a first end plate, a second end plate, an upper connector, and a lower connector. The first and second end plates are respectively connected to the adjacent ends of the first and second beam segments. Both the first and second end plates have a first elongated hole in the vertical direction. The upper and lower connectors are symmetrically arranged and pass through the upper and lower ends of the first elongated holes, respectively. In this invention, the beam is transformed from being primarily subjected to shear stress to being primarily subjected to bending stress. Under strong earthquakes, the beam can fully dissipate seismic energy through bending deformation, effectively improving the seismic resistance of the building structure.

This utility model discloses a seismically resistant and stable oil drilling platform, relating to the field of oil extraction technology. The platform includes a support seismic-resistant component fixedly installed at its four lower corners, and anti-collision and shock-absorbing components fixedly installed on all four sides. This seismically resistant and stable oil drilling platform, through its support seismic-resistant components, can effectively cope with earthquakes, wave impacts, and vibrations generated by drilling operations in the marine environment, reducing wear and fatigue damage to the platform structure. Furthermore, the seismic-resistant frame evenly distributes the platform's weight to the connecting columns at the four corners, preventing excessive local stress that could lead to structural deformation, thus providing seismic resistance and further extending the platform's service life. The anti-collision and shock-absorbing components effectively protect against potential accidents such as ship collisions and ice floe impacts during offshore operations, reducing platform structural damage, lowering the risk of equipment failure, and ensuring personnel safety.

This utility model relates to the field of seismic testing equipment technology, and in particular to a testing device for the seismic performance of building structures. It includes a housing and a rebound hammer body. The housing is fixedly connected to the outer surface of the rebound hammer body. An adjustment mechanism is provided inside the housing. The adjustment mechanism includes a U-shaped plate, an adjustment cylinder, a buffer cylinder, a buffer plate, and a connecting rod. A U-shaped groove is formed on the side wall of the housing. The U-shaped plate is slidably connected to the inner side wall of the U-shaped groove. This utility model, through the cooperation of the U-shaped plate, housing, and suction cup, utilizes the adjustment cylinder and suction cup to apply pressure to the rebound hammer. First, the sealing plate is squeezed to firmly fix the suction cup to the U-shaped plate. Then, the housing and rebound hammer can only move perpendicularly towards the wall along the U-shaped plate, ensuring the accuracy of the pressure angle and avoiding errors caused by angle deviation, thus maintaining the accuracy of the test results.

This invention belongs to the field of seismic design technology for railway bridges, and relates to a seismic analysis method for railway bridges using a variable friction coefficient friction pendulum bearing for seismic isolation and vibration reduction. This method is used to determine the design displacement D of the variable friction coefficient friction pendulum bearing; specifically, it includes the following steps: establishing an equivalent period T based on the design parameters of the variable friction coefficient friction pendulum bearing. eff The relationship between the coefficient of friction and the variable friction coefficient; based on the bridge design conditions, the relationship between the equivalent period and the acceleration response spectrum value is established, and S(T) is obtained. eff Determine the damping adjustment coefficient η; equivalent damping ratio ξ; establish support displacement and equivalent period T. eff S(T) eff By considering the relationship between η and η, and combining it with Newton's iteration process, the final support displacement D is determined. This invention saves time by using analytical expressions for calculation, avoiding tedious modeling, long computation times, and convergence issues compared to the finite element model nonlinear time history analysis method. This allows for rapid evaluation of the seismic performance of different support parameters and structural configurations during the scheme design, parameter optimization, and preliminary design stages.

This utility model relates to a same-floor reinforcement structure for adding a block infill wall to an existing frame structure floor slab. It includes at least two main hanging columns, a bottom wall beam, and a partition layer. One end of each main hanging column is connected to the reinforcement frame beam, and the other end is connected to the bottom wall beam. The reinforcement frame beam, main hanging columns, and bottom wall beam form a first installation area. The block infill wall is installed within the first installation area. A partition layer is installed between the bottom wall beam and the floor level of the construction floor. Compared with existing technologies, this utility model has the advantages of having the entire reinforcement structure located within the floor where the new block infill wall is added, without affecting the normal use and operation of other floors, avoiding the need for reinforcement construction on other floors; it is not connected to the structures of other floors, thus not affecting the structural safety of other floors; and the partition layer isolates the reinforcement structure of this floor from other floors, increasing the overall structural damping of the building and improving its seismic performance.

A thin-walled steel plate dam and its construction method are disclosed, belonging to the field of municipal water conservancy engineering technology. The dam comprises thin-walled steel plates, columns, cables, anchors, and a hydraulic membrane. The anchors are positioned on the upstream bank slope above the check flood level. The columns are evenly distributed along the arc-shaped dam axis and are tensioned to the anchors via cables. Adjacent columns are topped with struts and scissor braces, with guy ropes connected to the top. The thin-walled steel plates are welded between the columns, forming a semi-circular columnar dam surface. The dam body is embedded in the rock wall or adjacent dam sections on both sides, and the bottom is sealed to the anti-seepage wall via a hydraulic membrane. During construction, the anchors are first fixed and the anti-seepage system is arranged. The column foundations or raft slabs are poured according to geological conditions. After installing the columns, the cables and guy ropes are tensioned, the steel plates are welded, and a protective layer and hydraulic membrane are laid. This invention features a thin and lightweight structure, strong modular assembly, material savings of 70%, a 50% reduction in construction time, excellent seismic resistance, and adaptability to complex geological conditions, making it particularly suitable for long dam projects with medium to low water heads.

A Transformer-based method and device for predicting the seismic performance of metal dampers, relating to the field of electronic digital data processing technology, is disclosed to improve the accuracy of predicting the seismic performance of metal dampers while reducing the amount of labeled data. In this method, the prediction device constructs a dual-encoder Transformer neural network model. Dynamic loading displacement time-series data and static geometric parameter data are independently learned by the first and second encoders, respectively. Dynamic time-series features are used as keys, static geometric features as values, and the decoder's own state as queries, thereby enabling an explicit understanding and modeling of the intrinsic relationship between displacement history and the inherent physical properties of the metal damper. Simultaneously, a physical constraint loss function is used to optimize the model during training. This physical regularization reduces the dependence on a large amount of labeled data and ensures that the prediction results strictly conform to physical laws even under unexperienced conditions.

The utility model relates to the technical field of bolt in concrete, disclose a kind of bolt in concrete, including, bolt main body, the upper fixed arrangement of bolt main body has screw head, the lower arrangement of screw head has baffle, the lower arrangement of baffle has color gasket, the one end of color gasket is rotated in bolt main body near screw head, for warning not to spin, the utility model discloses bolt introduces high-low tooth combination structure in thread end part, and low tooth structure makes the bottom diameter of this section thread and outer diameter slightly reduce, can effectively prevent the local torque dramatic increase caused by multiple tooth engagement, avoid bolt end material damage or breakage, solve the problem that traditional concrete bolt is easily broken due to torque sudden increase when being screwed into end, improve the use reliability and durability of bolt, and low tooth also plays the role of " fulcrum " or interference site on structure, can effectively improve the anti-seismic property and anti-loose ability of bolt.

This invention discloses a seismic assessment method for high-pile frame wharves considering the coupling between the superframe and pile foundation, belonging to the field of seismic technology for hydraulic structures. The method includes the construction of a data monitoring module, preprocessing of monitoring data, deployment of a deep neural network model, real-time assessment of structural damage and soil condition, trend assessment of structural damage and soil condition, calculation of comprehensive seismic toughness indices, and early warning of assessment results. It involves real-time acquisition and preprocessing of structural and soil response data, outputting quantitative assessment indices using a deep neural network model, and predicting the future evolution trends of key indices. Based on real-time and predicted results, it calculates comprehensive seismic toughness indices and their development trends from three dimensions: safety, functionality, and recoverability. Finally, it displays the assessment results and triggers graded early warnings. This method achieves real-time, dynamic, and forward-looking quantitative assessment of the seismic performance of wharf structures, significantly improving assessment accuracy and engineering decision support capabilities.

This utility model discloses a seismic-resistant component for steel frames, relating to the field of building seismic technology. It includes columns, beams, mounting cavities, a damping mechanism, a fixing mechanism, a support mechanism, and seismic isolation bearings. The damping mechanism, located within the mounting cavity, consists of a sliding plate, a first support rod, a sliding block, and an elastic element, effectively absorbing seismic forces. The fixing mechanism securely fixes the beams to the columns via a fixing plate, a snap-fit ​​plate, a second support rod, and a fixing half-sleeve. The support mechanism includes a fixing cylinder, a sliding rod, and an elastic element, enhancing the frame's stability. The seismic isolation bearings are located at the bottom of the columns, further reducing the impact of earthquakes. This invention, through the synergistic effect of damping, fixing, and support, significantly improves the seismic resistance of steel structure buildings, ensuring the safety and stability of buildings under external forces such as earthquakes, and has significant application value.

The invention relates to the technical field of photovoltaic supports, and particularly discloses an anti-seismic and anti-displacement photovoltaic support which comprises a base frame, a first anti-seismic rod is arranged at the upper end of the base frame, a second anti-seismic rod is arranged at the upper end of the base frame, an anti-seismic force unloading assembly is arranged at the upper end of the second anti-seismic rod, and connecting assemblies are arranged at the upper ends of the anti-seismic force unloading assembly and the first anti-seismic rod correspondingly. A third anti-seismic rod is arranged between the base frame and the second anti-seismic rod, and the base frame, the second anti-seismic rod and the third anti-seismic rod form a triangular structure; force is effectively unloaded, springback is prevented, the hidden crack risk of the photovoltaic equipment is reduced, the secondary damage risk of springback is reduced, cooperative shock resistance is achieved, the overall stability of the photovoltaic equipment is improved, one-way dissipation and controlled reset of vibration energy are achieved, and secondary impact damage caused by instantaneous springback of a traditional spring is reduced.

The application discloses a cross-shaped wooden column-steel ball crown piece-graphite mixed steel bead layer-column base stone isolation system, which is mainly used for isolation and self-resetting of the bottom of a cross-shaped wooden column of a wooden structure. The isolation system is composed of a cross-shaped wooden column, four steel ball crown pieces, four concave spherical surface limiting along column base stones, a graphite mixed steel bead layer and four annular tempered glass sealing plates. The cross-shaped wooden column is composed of four column limbs which are connected by five round woods through square wood ladders and bamboo plywood. The steel ball crown piece is welded by a steel ball crown, an annular steel cover plate, a steel plate round hoop and a round steel pipe. The graphite mixed steel bead layer can reduce the friction between the steel ball crown and the concave spherical surface of the column base stone. The concave spherical surface of the column base stone can make the cross-shaped wooden column self-reset after an earthquake, and the column base stone limiting along can limit the excessive displacement of the bottom of the cross-shaped wooden column during the earthquake. The annular tempered glass sealing plate can be sealed and waterproofed. The isolation system has the advantages of isolating and reducing the seismic action of the upper structure and self-resetting after an earthquake, so as to realize the structural toughness and seismic resistance.