256results about "Connection to earth" patented technology

The invention relates to an offshore booster station lightning arrester arrangement optimization method, which comprises the following steps of: constructing an offshore booster station model, and calculating lightning stroke induction overvoltage of an offshore booster station; using a Monte Carlo method to estimate lightning stroke parameters of the power distribution network, estimating probability distribution of overvoltage through a Gaussian density function, and constructing a risk model of lightning arrester failure; and based on the risk model of lightning arrester failure, constructing a target function considering the protection importance and economic indexes of the nodes, and determining the optimal arrangement of the lightning arrester through particle swarm optimization of the target function. Compared with the prior art, the method has the advantages that the influence of uncertainty in a power grid can be processed, so that the robustness and reliability of a lightning arrester arrangement scheme under different operation conditions are ensured, more reliable lightning protection is provided for an offshore booster station, and the method is suitable for various complex offshore power system environments.

The invention discloses a lightning protection device for power supply grid protection, relates to the technical field of lightning protection equipment, solves the technical problem of inconvenience in lifting, and comprises a base, a mounting plate is rotatably mounted on the base, a lightning rod is mounted at one end, away from the base, of the mounting plate, and a second pull rope is fixed at one end, away from the lightning rod, of the mounting plate. The base is provided with a lifting assembly used for lifting the lightning rod. The lifting assembly comprises two first lifting rotating plates rotationally installed on the base, second lifting rotating plates with connecting plates are rotationally installed at the ends, away from the base, of the first lifting rotating plates, and sliding grooves are formed in the sides, close to the first lifting rotating plates, of the base; the lightning rod is convenient to lift and mount, convenient to mount, dismount and maintain, the lifting capability of the device is improved, the working efficiency of mounting and dismounting of the device is improved, and the working efficiency of maintaining of the device is improved.

An anchor for components of a lightning protection system may rely on a bonding agent, such as an adhesive, needing time for curing, drying, or otherwise setting (increasing in adhesion, strength, mechanical stability, or any combination thereof) by remaining in place while setting. The anchor may be suspended by a lip extending horizontally past an edge (plane of intersection of two planar surfaces) where a base plate is adhered to a vertical surface and the lip rests, registers in translation, and squares in rotation against a horizontal surface sharing an edge or fold (corner, bend) with the vertical surface. Once set sufficiently, the adhesive supports loads in shear (along plane of adhesion) and tension (perpendicular to plane of adhesion) imposed by brackets holding a cable, point, or both at each base plate.

The invention relates to the technical field of lightning arresters, in particular to a lightning arrester protection device which comprises a composite post insulator, two lightning arresters symmetrically arranged on an upper support and electrically connected with a cable through the upper support, and the two ends of the composite post insulator are provided with a lower support and an upper support respectively. The lower support is provided with a monitoring assembly electrically connected with the lightning arresters and used for monitoring leakage current of the lightning arresters, and the lower support is provided with a switching assembly connected with the monitoring assembly. When the leakage current is abnormal, the switching assembly can timely isolate the faulty lightning arrester and put the other lightning arrester into use, power supply reliability and system safety are guaranteed, fault expansion is avoided, the monitoring assembly monitors the leakage current in real time, early warning is achieved, accurate switching is achieved, the misoperation risk is reduced, fault positioning is clear, and the service life of the lightning arrester is prolonged.

The present application provides a regional lightning protection method, device, equipment and readable storage medium. The present application can determine the geographical environment parameters and geometric shape parameters of the target protection area; and further determine the regional area of ​​the target protection area based on the geographical environment parameters and geometric shape parameters of the target protection area; and can also determine the lightning strike path of the target protection area; so that the protection range of the target protection area can be determined based on the lightning strike path of the target protection area and the regional area of ​​the target protection area; after determining the protection range of the target protection area, a plurality of target lightning protection devices can be further installed within the protection range of the target protection area to protect the target protection area from lightning strikes.

The invention relates to the technical field of lightning arrester test, and discloses a line lightning arrester resistive current self-energized monitoring system, which comprises an energy taking unit and a measuring unit, and is characterized in that the energy taking unit is connected with the measuring unit; the measuring unit comprises a single-chip microcomputer acquisition unit, a display unit, a storage unit and a communication unit. The energy taking unit comprises a transient large-current energy taking circuit and a steady-state weak-current energy taking circuit, and the transient large-current energy taking circuit and the steady-state weak-current energy taking circuit are used together to supply power to the measuring unit; according to the self-energized MOA multi-parameter monitoring intelligent counter, transient large current and steady-state weak current are fused to obtain energy, the stability and reliability of environment energy obtaining and energy supply of the counter are improved, accurate monitoring of the operation state of a lightning arrester is facilitated, the counter is suitable for the complex electromagnetic working condition of the lightning arrester, long-term maintenance is not needed, practicability is achieved, and the counter is suitable for popularization and application. The equipment power supply cost is reduced, the safety and reliability of power grid operation are further guaranteed, the power supply quality is improved, and the economic loss is reduced; by measuring multiple parameters of action current times, amplitude, polarity and time, the problem of single action current parameter of a conventional counter is solved, and richer MOA action current characteristic parameter measurement is provided.

The embodiment of the invention provides a power transmission line combined protection device, and relates to the technical field of power transmission line protection devices, and the power transmission line combined protection device comprises a support which is provided with a first wiring piece, a second wiring piece and a third wiring piece which are used for being connected with a power transmission line; the fuse is arranged on the support, one end of the fuse is electrically connected to the first wiring piece, and the other end of the fuse is electrically connected to the second wiring piece; the lightning arrester is arranged on the support, one end of the lightning arrester is electrically connected to the first wiring piece, and the other end of the lightning arrester is electrically connected to the third wiring piece. According to the power transmission line combined protection device provided by the embodiment of the invention, the problem that the installation effect of a protection device in the prior art is relatively poor is solved.

The invention relates to the field of overvoltage protectors, and discloses a line overvoltage protector with a disconnecting device, which comprises a mounting rack, the mounting rack is arranged below a high-voltage line, the top surface of the mounting rack is in threaded connection with a protector body, and the top surface of the mounting rack is in threaded connection with a lightning arrester. A mounting block is fixed to the bottom face of the mounting frame, a containing hole is formed in the bottom face of the mounting block and corresponds to the output end of the lightning arrester, an electromagnet is fixed to the top face of the inner wall of the containing hole and electrically connected with the lightning arrester, and a disconnector is arranged on the inner wall of the containing hole in a clamped mode. And an iron ring is fixed at the top end of the disconnector. According to the invention, through cooperation of the electromagnet and the electric push rod, the disconnector can rapidly and completely disconnect a circuit during action, the protector body is prevented from continuously absorbing energy after action, the protector body is prevented from being damaged, and meanwhile, the safety of protected equipment is also ensured.

Disclosed in the present invention is a surface-mounted lightning protection strip on a parapet, comprising a rectangular insertion slot formed on one side of the top of a marble plate; a through communicating hole is formed in one end of the top of the rectangular insertion slot, and galvanized flat steel is inserted to the inner wall of the rectangular insertion slot; a concrete test block is placed at the top of the communicating hole, a central through hole being penetratingly formed in the center of the concrete test block; positioning clamping slots are formed in the four sides of the concrete test block, and a rectangular positioning frame is fixed to the bottom of the concrete test block; symmetrically-distributed L-shaped hanging plates are welded to the outer wall of one side of the rectangular positioning frame, and a fixing plate is welded to the outer wall of the other side of the rectangular positioning frame. In the present invention, during lightning protection, a round-steel lightning protection strip is used for rapid lightning protection, a lightning rod is snap-fitted and mounted at the top of the round-steel lightning protection strip to further improve the lightning protection effect, and a triangular support structure at the bottom has sufficient stability, thus avoiding inclination of the lightning rod after fixation.

According to the lightning counterattack prevention system for the unmanned aerial vehicle nest on the power transmission line iron tower, the nest shell is in insulated connection with the iron tower, the voltage generated when lightning current is discharged to the nest can be directly reduced, the counterattack probability is reduced, meanwhile, a grounding terminal is arranged in a matched mode, the shell is directly connected with a down lead of an iron tower footing, and if redundant lightning current exists, the lightning counterattack probability is reduced. And the down lead is continuously released, so that the safety of the nest is ensured.

The invention relates to the technical field of steel structure assembly, in particular to a steel structure iron tower convenient to quickly assemble and an assembly method, and the assembly method comprises the following steps: S1, designing and producing a prefabricated module; according to the structural requirement of a target iron tower, prefabricated module units are designed and produced; each module unit comprises a triangular or polygonal steel frame which is made of corrosion-resistant steel with the tensile strength of 400-600 MPa, and the thickness of the steel frame is 10-20 mm. The assembling efficiency and the coping capacity of the structure are improved. Due to the weather resistance characteristic in the optimization design, the structure can stably cope with extreme climate, and safe use of the iron tower in different environments is guaranteed. The integrated cable channel and the pre-designed sensor interface greatly simplify the installation process, shorten the engineering period, and reduce the environment and safety risks during the construction period. Quality control and pre-assembly correction remarkably improve the assembly precision and the structural stability, and the maintenance cost is reduced.

The invention relates to the technical field of power cross arms, in particular to a stable power cross arm which comprises a supporting mechanism. The device further comprises a lightning protection mechanism and a bird repelling mechanism, the lightning protection mechanism is installed on the supporting mechanism, and the bird repelling mechanism is installed on the lightning protection mechanism. The supporting mechanism supports a line, the lightning protection mechanism conducts thunder and lightning, and the bird repelling mechanism repels surrounding birds. The supporting mechanism is installed on the top of an electric pole to support an electric wire, in thunderstorm weather, thunder and lightning striking nearby is dredged through the lightning protection mechanism, the influence of thunder and lightning on surrounding electric wires is reduced, in daily use, surrounding birds are repelled through the bird repelling mechanism, the birds are prevented from nesting around, and therefore the practicability of the device is improved.

The invention relates to a construction method for a grounding down lead system of a new energy storage power station, which is based on the construction of a main grounding grid and is used for reasonably connecting a lightning rod, a framework, a lightning arrester bracket, a main transformer, a tubular bus, a GIS (Gas Insulated Switchgear) and a brim voltage-sharing belt in the energy storage power station with the main grounding grid so as to exert the function of protecting related electrical equipment in the energy storage power station. Comprising the following steps that S1, a lightning rod, a framework, a lightning arrester support, a main transformer, a tubular bus, a GIS and a brim voltage-sharing belt are connected to a main grounding grid; s2, providing centralized grounding devices, and respectively arranging the centralized grounding devices at positions adjacent to a lightning rod, a main transformer and a tubular bus; on the basis that related electrical equipment of the energy storage power station is connected to the main grounding grid, the centralized grounding device is arranged for the lightning rod, the main transformer and the tubular bus, so that the current dispersing area is increased, the grounding efficiency of a grounding down lead system of the energy storage power station is improved, the potential difference among multiple equipment of the energy storage power station is reduced, and point position balance of the whole station is ensured; and safe operation of electrical equipment is ensured.

The invention discloses an ancient building lightning protection system and method based on a lightning early warning device, and belongs to the technical field of lightning protection systems, and the system comprises a sensing layer, a decision layer, an execution layer and a digital twin platform. The sensing layer collects multi-mode environmental parameters through an annular atmospheric electric field monitoring array, a broadband electromagnetic pulse sensor and a meteorological sensor. The decision-making layer fuses data and outputs four levels of risk levels through the risk prediction model of the ancient building LSTM combined attention mechanism, and generates a protection instruction; and the execution layer adopts a bionic hidden lightning receiving device (hidden in a non-working state), a passive corona field lightning driving device and a multi-stage historic building SPD, and responds according to a grading strategy. The digital twin platform constructs a high-precision model, and realizes data visualization and protection strategy simulation optimization. Passive lightning protection is converted into active intelligent protection, the situation that a traditional device destroys the style and appearance of an ancient building is avoided, secondary damage caused by lightning stroke is reduced, self-learning optimization can be achieved, and the requirements for safety and cultural relic protection are met.

The invention relates to the technical field of lightning rods, in particular to a lightning rod with a monitoring and early warning function, which comprises a bracket assembly, a rotating assembly movably connected to the bracket assembly, a needle body assembly connected to the rotating assembly and a control assembly connected to the rotating assembly. The concave face is the windward side, the convex face is the leeward side through the arc-shaped driving plate, meanwhile, continuous rotating torque is formed on the upwind side by means of resistance difference and on the downwind side by means of the lift force effect, and through the arc-shaped structure, the plate can generate one-way rotating force no matter how the wind direction changes, clamping stagnation is avoided, and the wind direction can be controlled to be stable. According to the lightning rod, the driving plate can rotate to improve the stability of the rod body assembly in the rotating process, meanwhile, the airflow can be guided by the driving plate in the rotating process of the driving plate through the multiple flow guide strips, so that the rotating efficiency of the whole driving plate is improved, and the lightning rod can be guided to the state perpendicular to the wind direction by wind power in the using process.

An assembly (10) for potential equalization in potentially explosive areas is described, having an outer housing (20), a gas discharge arrester (22), a short-circuiting device (30) and a fault indicator (42). At least the gas discharge arrester (22) and the short-circuiting device (30) are accommodated in the outer housing (20). The short-circuiting device (30) comprises at least one spring (32) and an actuating element (34), which is preloaded into a short-circuit position by the spring (32). The gas discharge arrester (22) has a base body (24) which is filled with a gas and connected to a first connecting part (16) via a thermally detachable connection (38). The fault indicator (42) is set up to indicate a tripping event of the short-circuiting device (30).

An electric vehicle charger according to an embodiment of the present invention comprises an electric vehicle charging controller comprising an inlet comprising: an earthing pin coupled to a coupler and configured to connect a first earthing line connected to a first earthing power source in an electric vehicle power supply device and a second earthing line connected to a second earthing power source in an electric vehicle; a first signal pin coupled to the coupler and configured to connect a first signal line in the electric vehicle power supply device and a first signal line in the electric vehicle; and a second signal pin coupled to the coupler and configured to connect a second signal line in the electric vehicle power supply device and a second signal line in the electric vehicle, and a sensing unit connected to the electric vehicle power supply device through a third signal line and a fourth signal line so as to receive a third signal and a fourth signal. The inlet comprises a signal unit disposed between the second signal line and the third signal line, and configured to generate a second signal and then transmit same to the electric vehicle charging controller. The sensing unit comprises: a first processing unit electrically connected to the electric vehicle power supply device through the third signal line and the fourth signal line, and configured to receive the third signal and the fourth signal from the electric vehicle power supply device; a second processing unit for receiving the third signal and the fourth signal that a first sensing unit has received, and then transmitting same to a control unit; and an insulation unit for electrically isolating the first processing unit and the second processing unit from each other.

A terminal (14) for electrically connecting conductors (20) to an equipotential bonding bar (12) is described, comprising a connection section (42) for mechanical connection to the equipotential bonding bar (12) and a plurality of connections (18) for conductors (20). The terminal (14) has a one-piece spring unit (26) which has a base (28) and a plurality of spring arms (30) for resiliently clamping the conductors (20). At least two spring arms (30) of the plurality of spring arms (30) are provided on a first side (32) of the base (28), and at least two spring arms (30) of the plurality of spring arms (30) are provided on a second side (34) of the base (28), which is opposite the first side (32). Furthermore, an assembly (10) and a method for producing a spring unit (26) for a terminal (14) are described.

The invention relates to the technical field of line lightning protection, in particular to an overhead transmission line lightning arrester and an installation method.The overhead transmission line lightning arrester comprises two bases used for being installed on a cross arm, and an n-shaped plate is clamped between the two bases and fixedly arranged through bolts; a first lightning arrester and a second lightning arrester which are used for lightning protection of the power transmission line are installed on the n-shaped plate, connecting plates are installed at the tops of the first lightning arrester and the second lightning arrester, and a first fixing clamp, a second fixing clamp and a wire clamp which are used for being installed on the line are installed on the connecting plates; an overhead line is arranged among the first fixing clamp, the second fixing clamp and the wire clamp in a penetrating mode, the first lightning arrester is located on the two sides of the n-shaped plate, the second lightning arrester is located in the middle of the n-shaped plate, the first lightning arrester and the second lightning arrester are connected with on-line monitoring devices on the n-shaped plate, and the lower ends of the on-line monitoring devices are connected with discharge counters. The device has the advantages of being compact in structure, convenient to replace parts and capable of stably operating for a long time in an extreme environment.

The present invention discloses an adjustable lightning arrester bracket for wind power generation equipment, which relates to the technical field of lightning protection for wind power generation equipment, and comprises a supporting body, including a supporting tube, a plurality of supporting columns in a circumferential array, a lightning arrester assembly, an adjustment base, and a limit ring; an adjustment unit, including an adjustment member, a transmission member, a steering assembly, a grounding base, a transmission assembly, a main needle, and a plurality of groups of oblique needles. The beneficial effects of the present invention are to achieve the adjustment of the angles of the main needle and the oblique needle on the wind turbine, expand the range of protection of the lightning rod, and ensure that the direction of connection between the lightning rod and the lightning is consistent, increase the rate of conducting electricity, improve safety performance, and at the same time be able to change the outer diameter of the main needle and the oblique needle, improve the ability of local lightning protection, or expand the range of lightning protection, connect the main needle with the oblique needle and the single lightning arrester in series, thereby further reducing the risk of equipment damage to improve the lightning protection capability of the equipment.

The present disclosure provides a signal cable termination box and method, including a box body, a grounding terminal is arranged in the middle of the box body, and an extension portion is arranged on the box body, which has an angle with the extension direction of the box body, and a hole is arranged at the end of the extension portion; a sheath is arranged in the box body, and a plurality of clamps are arranged on the outside of the sheath, and the clamps are used to clamp the steel strip of the signal cable and the sheath, and the clamps are connected to the grounding terminal through a wire. The termination box provided by the present disclosure has a simple structure and is easy to use. When the termination box performs lightning protection and grounding of the signal cable, the setting position of the grounding terminal is horizontally set between two clamps, which can achieve the shortest connection of the grounding wire.

A lightning protection device of a tethered balloon communication system, comprising: a lightning protection net, a shielding layer, a protection circuit; the lightning protection net wraps the tethered balloon; the shielding layer is installed outside the communication module and the communication line of the tethered balloon and is connected with the lightning protection net; the protection circuit is connected inside the communication module and is used for protecting common mode and differential mode interference caused by lightning; the lightning protection net arranged outside the tethered balloon, the shielding layer and the protection circuit arranged inside the communication module are designed according to the characteristics of the communication system in the tethered balloon, the communication module and the communication line are treated in all directions, the damage caused by lightning to the communication module of the tethered balloon and the radiation and conduction interference in the lightning process are effectively reduced, the normal work of the communication module in the lightning process is ensured, and the accuracy and reliability of data transmission are ensured.

A live-line working, fully insulated, separable gapless surge arrester device comprises: a piercing, detachable insulated clamp, a high-voltage lead, a lightweight insulating cavity, an upper contact, an upper insulated waterproof piston ring, the arrester body, a lower insulated waterproof piston ring, an insulating sheath, a contact ring, a contact piece fixing ring, a contact piece, an elastic tension spring, a metal bracket, an insulating bracket, a disconnector connection bracket, a disconnector, a disconnector itself, and a lead wire connection terminal. It is mainly used for overvoltage protection of power distribution lines. The insulated operating rod allows for live-line installation and removal of the arrester body and disconnector, improving installation and maintenance efficiency. The disconnector temporarily isolates power frequency current and clearly indicates the fault point, reducing losses caused by power outages due to grounding short circuits. The disconnector connection bracket facilitates live-line separation and replacement of the disconnector. The device is fully insulated, improving the insulation process of the line. The piercing, detachable insulated clamp facilitates live-line installation and removal, eliminating the need to strip the insulation from the conductor, thus improving installation efficiency and line insulation.

Screwless clamping device for electrical conductors, in particular lightning protection or earthing conductors with the same or different cross-sectional area, consisting of at least two opposing spring legs (1; 2, 5; 6) made of electrically conductive material, which form a spring leg pair (3; 4) and which have a shape for receiving and contacting a section of the respective electrical conductor (30), and with a connecting section (7; 8) between the spring legs (5; 6; 1; 2), wherein a first clamping part with at least two spring legs (1; 2) and a second clamping part with at least two spring legs (5; 6) is provided, wherein the respective connecting sections (7; 8) are arranged connectably between the spring legs (1; 2, 5; 6), lying back to back, characterized by the fact that the first and second terminal part consists of at least two spaced-apart, opposing pairs of spring legs (3; 4), wherein the respective connecting section (7; 8) additionally extends over a space between the pairs of spring legs (3; 4), and in the case of electrical conductors (30) with an oval or circular cross-section, the spring legs (1; 2, 5; 6) each have a shape approximating a V, thereby creating contact zones with high surface pressure at contact points or contact surfaces.

A prefabricated earth electrode 100 comprises a cementitious body 102 and a first terminal 104 electrically connected to elongate conductors 107 within the cementitious body 102. The elongate conductors define a plurality of parallel electrical paths 118, 120, 122 each electrically connected to the first terminal 104. The plurality of parallel electrical paths 118, 120, 122 may be each electrically connected to another terminal 106. The cementitious body 102 may comprise an electrically conductive aggregate and a binder. The plurality of parallel electrical paths 118, 120, 122 may comprise three or more parallel electrical paths. A multi-electrode system (figure 5, 300) may comprise first and second prefabricated earth electrodes (figure 5, 100) wherein the first terminal 104 of the first prefabricated earth electrode is connected or connectable to a customer earth conductor (figure 5, 302), and wherein the second terminal of the first earth electrode is electrically connected (figure 5, 304) to the first terminal of the second prefabricated earth electrode.

The invention provides a 10kV power distribution network overhead insulated wire breakage prevention device. The 10kV power distribution network overhead insulated wire breakage prevention device comprises a lightning protection filter, an insulated wire guide binding wire and a 10kV insulated wire. The insulated wire guides the binding wire to be wound on the surface of an insulating layer of the 10kV insulated wire, and one end of the insulated wire is connected with the upper end of the lightning protection filter; and the lower end of the lightning protection filter is connected with a grounding grid through a ceramic resistor. According to the invention, the binding wire is guided to wind the surface of the insulating layer of the 10 kV overhead cable through the overhead insulated wire, so that the high-frequency component of lightning current is guided to be discharged from the filter preferentially, and the high-frequency component of the lightning current is absorbed through the bipolar plate effect in the filter and the high-frequency absorption effect of the barium titanate phase-change material. The high-current arc striking effect on the insulated wire under lightning stroke can be effectively improved, the wave head voltage of steep waves of lightning current is rapidly reduced, and lightning stroke trip-out faults caused by disconnection of the insulated wire of a distribution line and lightning stroke flashover under lightning stroke are reduced.

An earthing connection device for an earthing system of an offshore structure includes at least one earthing connector configured to be inserted in an underwater ground in an installed state of the earthing connection device. At least one electrical connector is electrically connected to the at least one earthing connector. The least one electrical connector is configured to connect the electrical connector with at least one armoring wire of at least one armoring layer of the submarine cable.

The present invention relates to a lightning protection device for a wind turbine generator set based on lightning current dissipation, comprising a wind turbine blade, a hub, and an output shaft disposed at the rear end of the hub. A main pin is disposed at the end of the wind turbine blade, the conductive end of the main pin being connected to a blade lightning protection grounding wire, one branch end of the blade lightning protection grounding wire being connected to a grounding downlead disposed in the hub, and the other branch end of the blade lightning protection grounding wire being connected to an energy storage assembly. A drive assembly is disposed within the wind turbine blade for universal rotation of the main pin using wind energy, the drive assembly comprising a drive sleeve, a first metal clamping block disposed at the end of the drive sleeve, a second metal clamping block disposed within the first metal clamping block, and a tapered block disposed at the end of the second metal clamping block. This lightning protection device for a wind turbine generator set based on lightning current dissipation can effectively discharge lightning current to the ground, reducing the thermal effect of lightning current. Furthermore, it facilitates receiving lightning from multiple directions, has a wide lightning absorption range, and exhibits excellent anti-interference performance.

The invention provides a shock insulation support and thunder and lightning protection integrated structure, and relates to the technical field of constructional engineering, the shock insulation support and thunder and lightning protection integrated structure comprises a lower connecting steel plate, the upper surface of the lower connecting steel plate is fixedly connected with a shock absorption laminated layer, the center of the shock absorption laminated layer is provided with a trigger mechanism, and the upper surface of the shock absorption laminated layer is fixedly connected with a lower supporting plate; a connecting mechanism is arranged at the edge of the upper surface of the lower supporting plate, a rotating shaft is rotationally connected to the center of the lower supporting plate, an inner rotating plate is fixedly connected to the middle of the outer surface of the rotating shaft, the vibration amplitude is accurately recognized through a trigger mechanism, the connecting mechanism is linked to unlock a clamping assembly, and the relative position of the upper supporting plate and the lower supporting plate can be flexibly adjusted; and the inner rotating plate is driven to turn to the stress side and is matched with the supporting mechanism to form transverse and longitudinal double reinforced supporting, and the effects that the building transverse movement amount can be effectively limited, support dislocation is avoided, and the structural safety under high-intensity earthquakes is remarkably improved are achieved.