750 results about "Seismic isolation" patented technology

The invention discloses a data center seismic isolation performance detection method based on AI intelligence, and particularly relates to the technical field of seismic isolation performance detection. Earthquake vibration characteristic data are collected in real time on a data center building and equipment, earthquake input characteristics are extracted in combination with a historical earthquake wave database, a seismic isolation performance prediction model is constructed and trained, a foundation shear wave velocity gradient abnormal value and a seismic isolation layer dynamic displacement response deviation ratio are further extracted, a deviation index is comprehensively calculated, and a seismic isolation performance prediction model is constructed and trained. And classification processing is carried out according to the deviation level, especially under the condition of a middle deviation level, foundation physical parameters are dynamically updated, and the model is optimized, so that the accuracy of the prediction model and the self-adaptive capability of the system are remarkably improved, and the shock isolation safety and the continuous operation capability of the data center in a strong shock environment are effectively guaranteed.

The invention discloses a quasi-zero stiffness vibration double-control device based on metamaterials, and relates to the technical field of vibration isolation and vibration reduction control. The device comprises a vertical vibration isolation structure, a horizontal vibration isolation layer, a middle plate, an upper connecting plate and a lower connecting plate, the vertical vibration isolation structure is connected to the top face of the horizontal vibration isolation layer, and the device is characterized in that the vertical vibration isolation layer is composed of a plurality of quasi-zero-stiffness metamaterial cell elements which are horizontally and evenly distributed, and each quasi-zero-stiffness metamaterial cell element comprises a buckle mechanism and a wave-shaped beam mechanism; the negative stiffness generated in the movement process of the buckle mechanism and the positive stiffness generated in the loading process of the wave-shaped beam mechanism counteract each other, and a quasi-zero stiffness mechanism is formed. According to the quasi-zero-stiffness metamaterial cell element, the initial stiffness of the quasi-zero-stiffness metamaterial cell element can be changed by adjusting the pre-tightening force of the bolts, so that the vertical bearing capacity is changed, different engineering requirements are met, the problem that low-frequency vibration isolation of a traditional vibration isolation device fails is solved, and the quasi-zero-stiffness metamaterial cell element is particularly suitable for meeting the earthquake and vibration dual-protection requirements of rail transit upper cover buildings.

The utility model belongs to a bridge support, and particularly relates to a damping-controllable rigidity-variable shock insulation support. Comprising an upper seat plate, a spherical crown plate, a middle seat plate and a lower seat plate, the upper seat plate and the middle seat plate are positioned and connected through a shear plate and a shear bolt; the limiting mechanism is composed of a limiting check block and a limiting groove, the electromagnetic damping mechanism is composed of a magnet, a high-strength spring and a sheath coil, and the control device is composed of a ground motion sensor, a central processing module and a power supply module. The problems that in the prior art, the overall dimension of a support is too large, and the horizontal rigidity cannot be adjusted and changed once the horizontal rigidity is determined are solved, and the support has the advantages that the overall dimension of the support is small, the horizontal rigidity and damping are adjustable, and cooperative stress under the earthquake working condition of all piers is achieved.

The invention provides a separated anti-seismic bridge abutment structure in a high-intensity earthquake area. The anti-seismic bridge abutment structure comprises a pile foundation; the platform body is mounted above the pile foundation and is connected to the lower part of the main beam through a seismic mitigation and isolation support; the box-type back wall is mounted at the rear upper part of the platform body and is not connected with the platform body; one end of the limiting pull rod is mounted on the transverse partition plate of the main beam, and the other end is mounted on the box-type back wall; the anti-lateral pile is mounted below the box type back wall; the rear portion of the box type back wall and the peripheral sides of the pile tops of the anti-lateral piles are filled with energy dissipation materials. Collision buffering materials are filled between the main beam and the box type back wall. From the perspective of'function separation to improve system reliability ', the vertical bearing function and the horizontal bearing function of a traditional seat-type bridge abutment are separated, and the horizontal bearing structure is specially designed, so that the problems of girder falling and the like caused by insufficient limiting capability of the traditional seat-type bridge abutment on a girder in the longitudinal bridge direction in an earthquake are solved, and the safety of the system is improved. And the anti-seismic requirement is fully met.

The invention discloses a circular wooden column-hole-hidden graphite hardwood-graphite layer-along-column foundation stone seismic isolation system which is mainly used for seismic isolation and self-resetting of the bottom of a wooden structure circular wooden column. The shock insulation system is composed of a round wooden column, hole-hidden graphite hardwood, concave spherical surface belt limiting edge column foundation stone, a graphite layer and an annular tempered glass sealing plate. The hole-hidden graphite hardwood is composed of a convex spherical section, a thick cylindrical section, a graphite-hidden hole and a thin cylindrical connecting key which are integrally processed, and the thin cylindrical connecting key is inserted into the round hole in the bottom of the round wooden column to achieve positioning butt joint. The graphite layer can reduce the friction force between the convex spherical surface of the hole-hidden graphite hardwood and the concave spherical surface of the column foundation stone. The concave spherical surface of the column foundation stone enables the round wooden column to reset automatically after an earthquake, and the limiting edge of the column foundation stone can limit excessive displacement of the bottom of the round wooden column in the vibration process. And the annular toughened glass sealing plate can be sealed and waterproof. The seismic isolation system has the advantages of reducing the seismic action of an upper structure through bottom seismic isolation of the circular wooden columns and achieving structural toughness seismic resistance through self-resetting after an earthquake.

The bottom die reinforcing device comprises two supporting assemblies which are oppositely arranged, each supporting assembly comprises four supporting plates, each supporting plate is provided with a head end and a tail end which are opposite, a sliding block is formed at the head end, a sliding groove formed in the length direction of the supporting plate is formed in the side portion of each supporting plate, and the tail end of each supporting plate is provided with a sliding block; the head end of each supporting assembly is arranged in the sliding groove of the other supporting plate in a sliding mode so that the four supporting plates can be connected end to end to form a rectangular sleeve hole in an enclosing mode, the rectangular sleeve holes of the two supporting assemblies are arranged on the top and the bottom of the seismic isolation support in a sleeving mode respectively, and the supporting plate of the supporting assembly at the bottom of the seismic isolation support is laid on the lower buttress; each supporting assembly comprises two pier blocks and a length-adjustable supporting rod, the supporting rods are connected to the two pier blocks, and the supporting assemblies are supported between the opposite sides of the supporting plates of the two supporting assemblies. The problem that a bottom die is prone to deformation due to the fact that an upper buttress pouring formwork of an existing shock insulation support is supported and reinforced through battens is solved.

The utility model relates to a friction type quasi seismic isolation support, a bridge and a building body, comprising a spherical support used for forming a first plane friction pair with a building body cross beam, and further comprising an additional plane support used for being fixed on a building bottom pier and used for being supported between the spherical support and the building bottom pier; a second plane friction pair is formed between the additional plane support and the spherical support, and the friction coefficient of the second plane friction pair is larger than that of the first plane friction pair; the structure further comprises a plurality of fragile shear keys, the upper ends of the fragile shear keys are connected to the spherical support, and the fragile shear keys abut against the two opposite sides of the additional plane support in the midspan direction of the building cross beam in a limited mode. According to the utility model, the upper structure of the building body can be prevented from being easily lifted when the building body suffers from a rare earthquake, the building body is prevented from losing the shock resistance after the rare earthquake, and the controllability of the friction coefficient is stronger.

The invention relates to the technical field of seismic resistance and transformation of civil engineering structures, and particularly discloses a novel quick replacement device and method for a seismic isolation support. Pre-pressing and accurate positioning of a new shock insulation support are achieved through the counter-force supporting frame and the pre-pressing system, rapid dismounting of an old or damaged shock insulation support and mounting of the new support are achieved, micro jacking can be conducted on an upper structure within a small disturbance range, the replacement efficiency is remarkably improved, and the construction risk is reduced.

The utility model relates to a sliding shock insulation modular building which comprises a module group forming a building main body. The building foundation is used for bearing the module group; the sliding layer is arranged between the module group and the building foundation and comprises an upper sliding interface and a lower sliding interface which are fixedly connected with the bottom of the module group and the top of the building foundation respectively, and a sliding medium arranged between the upper sliding interface and the lower sliding interface; and the sliding starting control part is connected with the module group and the building foundation and is used for controlling the sliding starting state. Compared with the prior art, the earthquake response of an upper modular building can be reduced, non-structural members in the modules can be protected, the module units are lighter in design, the connection between the adjacent modules is simpler, and the connecting structure adapts to the characteristics of various layouts and stress; the anti-seismic performance of the modular building is improved through simple sliding seismic isolation measures which are low in manufacturing cost and convenient to construct.

The invention relates to the technical field of data processing, in particular to a three-dimensional displacement high-precision monitoring method and system for a seismic isolation support, and the method comprises the steps: obtaining acceleration data of the seismic isolation support in different axial directions and a spectrogram of each axial direction within a preset time period; according to the amplitude distribution condition of each frequency in each axial spectrogram, screening out a seismic main frequency, and according to the amplitude proportion condition of the seismic main frequency in each axial spectrogram, obtaining a relative energy value in each axial direction; correcting the acceleration data of each axial direction according to the correlation between the acceleration data of each axial direction and the acceleration data of other axial directions in combination with the distribution condition and the relative energy value of the acceleration data of each axial direction to obtain corrected data of each axial direction; and determining the three-dimensional displacement data of the shock insulation support based on the integral result of each axial correction data. According to the invention, other interference components can be effectively inhibited, and the monitoring precision of the seismic isolation support displacement data is improved.

The invention relates to the technical field of building machinery, in particular to a pier column top shock insulation support mounting device and method. The device comprises a base, an inclined guide rail, a foldable guide rail, a first hydraulic cylinder, a second hydraulic cylinder, a third hydraulic cylinder, an electric cylinder, a limiting plate, a meshing type pushing chain device and a camera. The method comprises the steps that guide rails are arranged on the two sides of a pier column, the device moves to the construction position along the guide rails, the shock insulation support is moved to the foldable guide rails, the foldable guide rails are adjusted to be horizontal, and the position of the shock insulation support is adjusted, installed and fixed. The mounting difficulty of the shock insulation support can be greatly reduced, the construction efficiency is improved, and the mounting quality is guaranteed.

The invention discloses a building seismic isolation and resistance device, and relates to the technical field of seismic isolation devices. The device comprises two supporting plates which are oppositely arranged up and down, and protruding plates are arranged on the opposite faces of the two supporting plates; the shock insulation layer comprises a protection rubber frame fixedly connected to the protruding plate, top plates are fixedly connected to the top of the protection rubber frame, the two top plates abut against each other oppositely, a plurality of laminated rubber plates are constructed in the protection rubber frame in the height direction of the protection rubber frame in an array mode, and a framework steel plate is wrapped between every two laminated rubber plates. The disc grooves are formed between the top plates, the oval limiting blocks are installed in the disc grooves, a part of load can be transferred to the oval limiting blocks when an earthquake occurs, earthquake energy is consumed through deformation of the oval limiting blocks and friction between the oval limiting blocks and the inner walls of the disc grooves, the load borne by the seismic isolation layer is effectively reduced, and the seismic isolation effect is improved. The anti-seismic bearing range of the device is widened, and the safety of a building is improved.

The invention provides a method for predicting the damage of a seismic isolation structure designed through a direct displacement method, and the method can be used for predicting the damage of the seismic isolation structure through the determination of a target value, the calculation of parameters of a seismic isolation layer and an upper building structure, the equivalence of a 2DOF model, and the extraction of 9 structure parameters and 13 seismic wave parameters of seismic waves from the design thought of the DDBD seismic isolation structure. According to the method, the vulnerability curve based on the target value can be quickly predicted through BO-XGBoost to intuitively guide the design of the seismic isolation structure of the DDBD, so that the method is quicker and more efficient, and is beneficial to perfecting the idea of the DDBD of the seismic isolation structure. The result shows that the prediction result is good, and good prediction precision can still be achieved under the condition of open set. A predicted vulnerability curve can be seen, and the predicted curve is close to real data and can be used as a reference for DDBD structure design. From a vulnerability curve, it can be seen that the DDBD design process can effectively enable the seismic isolation structure to reach an expected target under an earthquake.

The present invention relates to the field of three-dimensional seismic isolation technology, specifically a vertical variable stiffness three-dimensional seismic isolation bearing, comprising a laminated rubber seismic isolation bearing, wherein the bottom surface of the laminated rubber seismic isolation bearing is connected to an upper connecting plate, a lower connecting plate is provided below the upper connecting plate, and vertical telescopic guide rods are evenly connected between the upper connecting plate and the lower connecting plate; a plurality of tracks are radially provided on the top surface of the lower connecting plate, each track is provided with a slider, and a spring mechanism is hinged on the slider, the spring mechanism is vertically provided and the top is hinged to the bottom surface of the upper connecting plate; a connecting rod is provided between the slider and the center position of the bottom surface of the upper connecting plate, and the two ends of the connecting rod are respectively hinged to the slider and the upper connecting plate. The laminated rubber seismic isolation bearing, track, spring mechanism and connecting rod can meet the engineering requirements of isolating horizontal and vertical seismic motions, have high vertical static stiffness and bearing capacity under static load, have variable stiffness under dynamic load, are lower than the static stiffness, and have good vertical low-frequency seismic isolation effect.

The invention discloses a mounting method of a liftable isolation bearing, which comprises the following steps: pre-burying and fixing a positioning plate on a lower structural member, and enabling the central position of a placing groove and a notch plane to meet preset coordinate and levelness requirements; and the support body is hoisted to the position above the positioning plate, and the shear key is inserted into the containing groove under guiding, so that alignment of the shear key and the containing groove is completed. Torque is applied to connecting bolts arranged between a lower flange plate and a positioning plate in a staged mode according to a preset sequence, the vertical gaps between the bottom face of the lower flange plate and the upper surface of the positioning plate are actually measured at multiple positions after fastening, the bolt fastening state is adjusted according to the vertical gaps, and closed-loop control of torque control, gap measurement and bolt adjustment is formed. And the lift-off gap is accurately controlled within a millimeter-level allowable deviation range of a designed lift-off gap value.

Some embodiments of the disclosure disclose a tuned damping method for seismic isolation of pile foundations in a deep-water long-span continuous rigid frame bridge, which relates to the technical field of shock absorption for bridge engineering structures. It solves the problem that the “pile foundation seismic isolation” of deep-water long-span continuous rigid frame bridges lacks a theoretical quantitative calculation method, making it impossible to fully exert the effect of “pile foundation isolation”. The present disclosure includes: simplifying a deep-water long-span continuous rigid frame bridge model into a 2-degree-of-freedom dynamical model; setting an optimization objective function based on the 2-degree-of-freedom dynamical model; performing parameter optimization based on the optimization objective function; and determining structural seismic parameters of the deep-water long-span continuous rigid frame bridge based on parameters optimized in step 3.

The invention relates to the technical field of building seismic isolation, in particular to a seismic isolation system with a vertical stepped quasi-zero stiffness characteristic and a design method of the seismic isolation system. A building three-dimensional seismic isolation system with the vertical stepped quasi-zero stiffness characteristic comprises a horizontal seismic isolation support arranged on the top face of a lower buttress; the positive stiffness system comprises at least one vertical steel spring, and the two ends of the vertical steel spring are connected to the top face of the horizontal shock insulation support and the bottom face of the upper buttress correspondingly. The negative stiffness system comprises a variable-slope guide plate, a horizontal multi-layer annular spring and a supporting plate, the thickness of the variable-slope guide plate changes in the height direction of the variable-slope guide plate, one end of the horizontal multi-layer annular spring abuts against the variable-slope guide plate, the horizontal multi-layer annular spring is connected to the supporting plate, and the supporting plate is connected to the upper buttress; the horizontal multi-layer annular spring can be driven to move along the surface of the variable-slope guide plate by changing the distance between the upper buttress and the lower buttress, and the horizontal multi-layer annular spring moves along the surface of the variable-slope guide plate, so that the length of the horizontal multi-layer annular spring is changed, and then negative stiffness is provided.

The invention relates to the technical field of bridge seismic mitigation and isolation, and discloses a seismic mitigation and isolation parameter optimization design method based on an artificial neural network. The method comprises the following steps: determining all optimizable variables in a combined seismic mitigation system and a high-precision feasible region range of all optimizable variables; uniformly distributing and sampling all the optimizable variables in the corresponding high-precision feasible region range to obtain a plurality of groups of sampling parameters, and carrying out earthquake risk analysis based on all groups of sampling parameters of all the optimizable variables and the combined damping system numerical model to obtain a preset group of optimizable variable-system earthquake risk samples; establishing an earthquake risk mapping model of all optimizable variables and a combined damping system by using a preset group of optimizable variable-system earthquake risk sample training model; performing global optimization by taking the seismic risk mapping model as a target function and combining a genetic algorithm, and searching out a design parameter combination of all optimizable variables with the minimum seismic risk as a target; and the safety and the reliability of the combined damping system in an earthquake are improved.

The present invention discloses a high-load-bearing capacity seismic isolation bearing, comprising an external connecting steel plate, an internal connecting steel plate, a stiffening steel plate, and an elastomer, wherein the elastic body and the stiffening steel plate are overlapped between two of the internal connecting steel plates, and the two internal connecting steel plates are fixedly connected to the corresponding external connecting steel plates respectively; the characteristic is that it also comprises an elastic washer, which is arranged between the stiffening steel plates and between the stiffening steel plates and the internal connecting steel plates; the internal connecting steel plates, stiffening steel plates, and elastic washers are all provided with positioning holes for positioning and installation of the three; the elastomer is arranged in the gap between the internal connecting steel plates, stiffening steel plates, and elastic washers, and the elastomer is arranged in the positioning holes of the three. The seismic isolation bearing of the present invention can effectively achieve shock absorption and high load-bearing capacity for structures such as bridges.

The present invention discloses a three-dimensional seismic isolation bearing using a friction pendulum combination of vertically laminated rubber, which belongs to the field of seismic isolation technology. The present invention includes a base, a vertically laminated rubber seismic isolation device and a horizontal friction pendulum seismic isolation device. The present invention solves the problem that the existing combined bearings are simply superimposed and combined, which may cause the bearings to be too high, the connections between the components to be loose, and it is impossible to achieve a good three-dimensional seismic isolation effect. The present invention rationally combines the vertically laminated rubber bearings and the friction pendulum bearings, and while achieving three-dimensional seismic isolation, effectively controls the height of the bearings, so that the bearings have good stability and pull-out resistance, can effectively consume and isolate seismic energy, reduce the seismic effects borne by the structure, thereby enhancing the seismic resistance of the structure or equipment and reducing earthquake losses.

The invention relates to the technical field of seismic isolation support displacement measurement, and particularly discloses an intelligent detection method and system for seismic isolation support displacement during an earthquake. The system comprises a seismic isolation support displacement intelligent detection device and a signal control processing system, wherein the seismic isolation support displacement intelligent detection device comprises a seismic isolation support, an upper buttress, a lower buttress, a displacement signal transmitter, a displacement signal acquisition area, a protective cover and a protective coaming; the shock insulation support is located between the upper buttress and the lower buttress. The displacement signal transmitter is mounted on the lower buttress; the displacement signal acquisition area is positioned on the lower side of the upper buttress; the protective cover is installed between the upper buttress and the lower buttress, and the protective coaming is installed on the periphery of the protective cover. The signal control processing center has the functions of displacement signal triggering, collection, time synchronization, information processing and early warning and forecasting. According to the intelligent detection method and system for the displacement of the seismic isolation support, the deformation information of the seismic isolation support during an earthquake can be conveniently obtained, and intelligent self-inspection and early warning of the displacement change of the seismic isolation support during and after the earthquake are realized.

The invention provides a seismic isolation structure AMD control system based on the seismic energy storage principle, and relates to the technical field of structural engineering and damping control. The bottom of the building dissipates energy through the shock insulation support and the hydraulic inerter damper, earthquake input is converted into gravitational potential energy, mechanical energy and electric energy, and the energy storage module supplies energy to the active tuned mass damper arranged on the top of the upper structure. The system monitors structural response in real time through the acceleration sensor and the force sensor, the AMD intelligent control unit calculates and outputs control force capable of reducing upper vibration and generating reverse overturning bending moment, and therefore structural vibration is restrained and the shock insulation support is prevented from being pulled under the strong shock working condition, and the overall anti-seismic performance of the shock insulation structure is remarkably improved.

The invention relates to a seismic isolation groove system for reducing the influence of an existing railway on excavation of a foundation pit in an adjacent area, which comprises a seismic isolation device arranged in a seismic isolation groove between the railway and the adjacent foundation pit, and the seismic isolation device comprises two seismic isolation arms connected through a connecting piece and respectively abutted against two opposite support row piles of the seismic isolation groove, each shock insulation arm comprises a shock insulation support, an elastic rubber pad, a rod piece and a bottom plate, wherein the shock insulation support comprises a lead core, and steel rings and functional rubber rings which are alternately arranged on the lead core; one end of each energy dissipation device is movably connected with the corresponding connecting piece, and the other end of each energy dissipation device is connected with a damping support at the contact point of the supporting row pile and the bottom face of the shock insulation ditch. Compared with the prior art, the vibration isolation system has the advantages that the vibration isolation efficiency and the structural stability are improved, the system durability is enhanced, and the vibration isolation system adapts to diversified vibration scenes and is good in environment adaptability and maintainability.

The utility model relates to the technical field of building shock insulation, in particular to a pipeline flexible connecting device with a deformation shock absorption function, which comprises two pipelines arranged at an interval and connecting components respectively arranged at one ends of the two pipelines, the rubber corrugated pipe is arranged between the two connecting assemblies, the rigid sleeves are arranged at the wave troughs of the rubber corrugated pipe in a sleeving mode, the rigid sleeves located at the ends are provided with fixing rings, the elastic recovery mechanisms are connected between the two adjacent rigid sleeves, the fixing rings are connected with one sides of the connecting assemblies, and the elastic recovery mechanisms are connected with the other sides of the connecting assemblies. The fixing ring is connected to the outer wall of the rubber corrugated pipe in a sleeving mode. Therefore, the device has the advantages of being high in flexibility and compensation capacity, displacement difference can be reduced, the problems that the pipeline is snapped, cracked, bent, twisted and the like are solved, and the engineering problem that the pipeline is not damaged after an earthquake is finished is solved.

The present invention relates to the technical field of seismic isolation bearings, and in particular, to a deformation monitoring device and method for a seismic isolation rubber bearing. The planar detection substrate and the conical detection substrate of the deformation monitoring device for the seismic isolation rubber bearing are both connected to the rubber bearing body; the probes of the first displacement detection sensor and the probes of the second displacement detection sensor are respectively in contact with the planar detection substrate and the conical detection substrate; wherein, the surface of the planar detection substrate for contacting the probe of the first displacement detection sensor is a plane, and the surface of the conical detection substrate for contacting the probe of the second displacement detection sensor is a conical surface. The deformation monitoring device for the seismic isolation rubber bearing has a simple structure, can be installed and used together with the bearing, and can simultaneously monitor the vertical force and the shear force, so that it is convenient to understand the performance of the bearing and the damage condition after an earthquake during long-term use.

The present invention belongs to the field of building technology, and relates to a seismic isolation trench cover structure of a seismic isolation building and a working method thereof. The seismic isolation trench cover structure includes multiple groups of covers, each group of covers includes a first cover part, a second cover part and an L-shaped steel cover, the first cover part is fixedly connected to the building body, the second cover part is fixedly connected to the retaining wall, and the L-shaped steel cover covers the first cover part and the second cover part; two adjacent cover parts are connected in a splicing form; one side of the first cover part is connected to a force-bearing part and a partition steel plate, and the partition steel plate is located above the force-bearing part; one side of the second cover part is connected to a force-bearing hollow pipe fitting and a first cantilever cover plate, and the force-bearing part slides in the force-bearing hollow pipe fitting; the upper surfaces of the first cantilever cover plate and the second cover plate part are coplanar; the force-bearing hollow pipe fitting is arranged below the first cantilever cover plate, and the partition steel plate slides in the gap between the force-bearing hollow pipe fitting and the first cantilever cover plate. The cover structure produces relative displacement with the displacement of the seismic isolation layer to avoid damage.

The invention belongs to the technical field of friction pendulum shock insulation support performance testing, and particularly relates to a friction pendulum shock insulation support performance testing device and method.The friction pendulum shock insulation support performance testing device comprises a testing table base, a testing device body is arranged at the left end of the testing table base, and a vertical jack is fixedly installed in the upper end of the testing device body; a mounting plate is fixedly mounted at the telescopic end of the vertical jack, and an upper bearing plate is fixedly mounted on the lower side of the mounting plate through bolts. By arranging the bearing assembly, the output shaft of the first driving motor drives the first driving screw rod to rotate so as to drive the bearing assembly to move left and right, so that a shear performance test is carried out on the friction pendulum shock insulation support; and the output shaft of the second driving motor can drive the driving gear and the driven gear to rotate, so that the lower bearing plate drives the friction pendulum shock insulation support to twist, and then the torsion performance test is performed on the friction pendulum shock insulation support.

The utility model discloses a graded energy consumption type seismic mitigation and isolation support, and relates to the technical field of seismic mitigation and isolation supports. The rubber support is connected to the bottom of the spherical support; the bottom basin assembly comprises a bottom plate and supporting stoppers, the supporting stoppers are fixed to the periphery of the bottom plate, the ends, away from the spherical support, of the rubber supports are connected with the bottom plate, the rubber supports are located in the supporting stoppers, and threaded holes are formed in the ends, away from the bottom plate, of the supporting stoppers; and the limiting stop block is fixed in the threaded hole in the supporting stop piece through the anti-shear pin, and the inner edge of the limiting stop block protrudes out of the inner side of the supporting stop piece and is used for limiting the spherical support. The graded energy dissipation function is achieved, when a bridge and a building structure normally operate, the spherical support horizontally moves and turns, and friction energy dissipation of the spherical support is mainly achieved; under the action of an earthquake, the rubber support is subjected to shear deformation, and the spherical support and the rubber support are combined to consume energy.

The invention provides a shock insulation support device, and relates to the technical field of anti-seismic equipment. The device comprises a seismic isolation support, an upper connecting steel plate of the seismic isolation support is fixedly provided with an upper fixing plate, a lower connecting steel plate of the seismic isolation support is fixedly provided with a lower fixing plate, and a compression amount recording mechanism is arranged between the upper fixing plate and the lower fixing plate; the compression amount recording mechanism comprises a cylinder, a mounting block, a lifting rod, a first spring, a marking block and two marking recording plates, the mounting block is detachably and fixedly mounted at the bottom of the upper fixing plate, the two marking recording plates are both arranged in the cylinder, the lifting rod is fixedly mounted at the bottom of the mounting block, and the first spring is fixedly mounted at the bottom of the lifting rod. And the bottom end of the lifting rod extends into the cylinder. The shock insulation support device has the advantages that the maximum compression amount and the maximum offset amount of the shock insulation support in an earthquake can be recorded, recording is accurate and reliable, and maintenance is convenient and fast.

The utility model provides an underground shock insulation waterproof instrument pier structure. The underground shock insulation waterproof instrument pier structure comprises an instrument pier body, a building structure body, a drainage ditch, a shock insulation groove, a shock insulation filling layer, a waterproof protection layer, a middle buried type water stop belt, an externally attached type water stop belt, water stop rubber, an additional waterproof layer and a bedrock surface. The drainage ditch is communicated with the top of the shock insulation groove and is used for timely draining water when the water exists and protecting the instrument pier and equipment; the instrument pier body and the building body are separated to form a vibration isolation groove which is filled with a vibration isolation filling layer. The waterproof protection layers are arranged in the shock insulation grooves and located on the upper side and the lower side of the Chinese type water stop belt; one end of the embedded water-stop belt is pre-mounted on the instrument pier body, and the other end of the embedded water-stop belt is pre-mounted in the building structure body; one end of the externally-attached water-stop belt is pre-provided with an instrument pier and bedrock attaching surface, and the other end of the externally-attached water-stop belt is pre-installed on a building structure body and bedrock attaching surface, so that the externally-attached water-stop belt is more and more tightly attached through water pressure generated when water exists. According to the utility model, the embedded waterstop and the externally attached waterstop are adopted, so that good shock insulation and waterproof effects can be achieved, and the accuracy of bedrock data observed by an instrument is ensured.