44results about How to "Improve wind and earthquake resistance" patented technology

The invention discloses a magneto-rheological semi-active damper with adjustable stiffness. The damper comprises an outer annular cylinder fixed on the inner wall of a container and an inner cylinder;scrollable balls are arranged between the lower portion of the inner cylinder and a bottom plate of the device, and the inner cylinder and the outer annular cylinder are filled with a magneto-rheological liquid respectively; hollow spring pipes are connected between the cylinder walls of the inner cylinder and outer annular cylinder, the inner cylinder and the outer annular cylinder are communicated with each other through the hollow spring pipes, the magneto-rheological liquid can flow in the inner cylinder and the outer annular cylinder through the hollow spring pipes, the outer portions ofthe spring pipes are provided with magnet exciting coils, the magnet exciting coils, controllers and a solar panel arranged at the outer side of the upper portion of the container are connected in series to form a closed loop circuit, the controllers receive signals of acceleration sensors to control the current in the magnet exciting coils, thereby adjusting the stiffness of the hollow spring pipes and achieving the horizontal damping control; limiting plates are arranged between the outer annular cylinder and the inner cylinder to prevent the inner cylinder from being displaced too much; damping nets are arranged in the outer annular cylinder, and the torsion damping control is achieved through damping force.

The invention discloses a self-powered type magneto-rheological damping device which comprises an outer barrel, wherein two inner barrels are fixed in the outer barrel, and the insides of the inner barrels are hollow to form damping cavities; a ball screw pair is arranged between the inner barrel, rigid rods are respectively connected to the two ends of the ball screw pair, and the two rigid rodspenetrate through the damping cavities to be connected with an inner wall of the outer barrel; a plurality of blades are fixedly arranged on the parts, in the damping cavities, of the rigid rods, theinner barrels are filled with magneto-rheological fluid, and the outsides of the inner barrels are wound by electrified coils; a movable device connected with the ball screw pair is arranged under theball screw pair, a mass block is arranged in the movable device, steel plates are arranged at the two sides of the mass block, magnets are arranged on a lateral wall of the movable device, and the steel plates are located among adjacent magnets; rotors are in interference fixed connection to the peripheries of the rigid rods, and each rotor is composed of a permanent magnet and a rotor magnet yoke; a stator core is arranged at the periphery of each rotor, a stator winding is arranged on each stator core, a stator shell is fixedly connected to the outside of each stator, and the stator shellsfixedly contact outer walls of the inner barrels.

The invention discloses a multifunctional air-conditioning glass system with color-changing, noctilucent, anti-seismic, fireproofing, air-purifying and energy-saving functions. The multifunctional air-conditioning glass system comprises exterior glass, intermediate glass and interior glass, the interior glass and the intermediate glass are collected through a sealant, and an intermediate water layer is formed in the cavity between the interior glass and the intermediate glass; the multifunctional air-conditioning glass system further comprises a water supply unit supplying water to the intermediate water layer; the interior glass, the intermediate layer and the intermediate water layer enclose to form a row of air cavities which are located above the intermediate water layer; the multifunctional air-conditioning glass system further comprises an air purifying unit supplying air to the air cavities through the intermediate water layer. By the arrangement, the color-changing function of the glass can be realized, and transparent colorless of the glass is creatively utilized to enable the glass to be colored to have liquid layer colors by changing colors of a liquid layer; by the design of a three-layer structure, a water solution with pigment is injected into the position of the middle of the outer double-layer glass to enable the glass to be colored with the water solution with the pigment.

The invention discloses a semi-active magneto-rheological tuned mass damper. The semi-active magneto-rheological tuned mass damper comprises a barrel body; a connection block is arranged in a bottom plate of the barrel body; and a working cylinder is fixed to the connection block. Separation plates are arranged in the working cylinder, and the working cylinder is divided into a center cavity, damping cavities and side cavities. The center cavity is internally provided with a mass block capable of horizontally moving in the axis direction of the axis of the working cylinder. The center of the mass block is provided with a groove and a rolling bearing, and the periphery of the mass block is connected with piston rods capable of sliding along the rolling bearing. The damping cavities are internally provided with pistons, and the pistons are fixedly connected to the piston rods. The piston rods penetrate through holes reserved in the partition plates, extend into the side cavities and areconnected with one ends of springs in the side cavities. The other ends of the springs are fixedly connected into the working cylinder. The damping cavities are filled with magneto-rheological fluid,and powered-on coils are wound around the damping cavities. The powered-on coils are connected with an induction control device inside the barrel body.

The invention discloses a temperature-controlled intelligent tuned inertial mass damper. The damper is composed of two parts, namely a working cavity temperature control part and a main damper body part. The working cavity temperature control part comprises a temperature monitoring part and a temperature adjusting part. The main damper body part comprises an SMA spring and an inertial mass damperbody connected with the SMA spring through a rack, the rack is connected with a driving gear, the driving gear is in contact with a follow-up flywheel, the follow-up flywheel is connected with a cylinder, and the cylinder is located in a box body filled with viscous liquid. According to the temperature-controlled intelligent tuned inertial mass damper, the inertia force of the damper body can be increased by converting axial motion into rotary motion, and on the premise of ensuring the damping effect, the mass of the damper body is reduced. The damping and stiffness of the SMA spring can alsobe adjusted in real time by changing the temperature, so that the damper body has the stable working performance in a wide frequency domain, and therefore the good damping effect is achieved.

The invention discloses a photovoltaic tile mounting device and system, and relates to the technical field of photovoltaic power generation. The photovoltaic tile mounting device comprises first hanging-connection pieces and second hanging-connection pieces; each first hanging-connection piece comprises a first main body and a first hook part arranged on the first main body, and the first main bodies and photovoltaic tiles are fixed; and each second hanging-connection piece comprises a second main body and a second hook part arranged on the second main body, the second main bodies are fixed tothe to-be-mounted face, and the first hook parts and the second hook parts can be hooked and relatively fixed. The photovoltaic tile mounting system comprises the photovoltaic tiles, supporting tilesand the photovoltaic tile mounting device, wherein the photovoltaic tiles and the supporting tiles arranged at intervals, the photovoltaic tiles are mounted on the to-be-mounted face through the photovoltaic tile mounting device, the photovoltaic tiles are in overlapping connection with the adjacent supporting tiles, and at the overlapping position, the photovoltaic tiles are located on the upperportions of the supporting tiles. The photovoltaic tile mounting system and photovoltaic tile assemblies are simple in structure, convenient to mount and dismount, high in wind prevention and earthquake resistance, and wide in application range.

The invention discloses a reinforcing structure of a square steel column. The reinforcing structure comprises transversely-arranged beam column connecting parts (1) and a vertically-arranged square steel column (2); the square steel column (2) abuts against the beam column connecting parts (1) by column ends (2.1) to bear the weight of the whole beam column; the column ends (2.1) are provided withholes (2.2) used for reducing bending and shear bearing capacity of the column ends (2.1); the reinforcing structure further comprises reinforcing plates (3) used for covering the holes (2.2); the reinforcing plates (3) are connected with the column ends (2.1) by bolts (4); and the reinforcing plates (3) comprise bodies (3.1) tightly attached to the square steel column (2) and a plurality of ribs(3.2) arranged at the bodies (3.1) in a protruding mode and arranged in the transverse direction. The invention provides the square steel column reinforcing structure which requires no overall reinforcing of the square steel column, and achieves improvement of overall wind resistance and anti-seismic ability of the steel structure only by local reinforcement of the column ends to obtain the idealanti-buckling effect.

The invention discloses a rotary magnetic negative-stiffness vibration damper which comprises an outer cylinder. A first ball screw pair, a second ball screw pair and two working bodies are arranged in the outer cylinder. The axis of the first ball screw pair and the axis of the second ball screw pair are mutually parallel, and the first ball screw pair and the second ball screw pair are located between the two working bodies; two ends of each lead screw of the first ball screw pair and the second ball screw pair are both connected with rigid rods, and the four rigid rods penetrate through theworking bodies to be connected to the inner wall of the outer cylinder; the portions, located in the working bodies, of the rigid rods are provided with magnets; sliding grooves are located under thefirst ball screw pair and the second ball screw pair, and the inner walls of the sliding grooves are fixedly connected with nuts of the first ball screw pair and the second ball screw pair; the bottoms of the sliding grooves are provided with sliding wheels, and the sliding wheels can slide along the bottom of the outer cylinder back and forth; mass blocks are placed in the sliding grooves, grooves are reserved in the two sides, parallel to the axes of ball screws, of the mass blocks, and the grooves are matched with sliding blocks fixed to the inner walls of the sliding grooves; the two sides, perpendicular to the axes of the ball screws, of the mass blocks are connected with the sliding grooves through springs.

The invention discloses a universal semi-active magnetorheological damping device. The universal semi-active magnetorheological damping device comprises an inner cylinder, an outer cylinder and a rotary disc and is characterized in that the inner cylinder is fixed onto the rotary disc, and the inner cylinder can rotate in optional directions under the effect of the rotary disc; the rotary disc isconnected with an induction control device; a connecting block is arranged inside an inner cylinder bottom plate, and a working cylinder is fixed on the connecting block; partitions are arranged inside the working cylinder to separate the interior of the working cylinder into a central cavity and damping cavities; a mass block which can horizontally move along the axis direction of the working cylinder is arranged in the central cavity; the mass block is fixedly connected with a piston rod which can axially move along the working cavity; a piston is arranged inside each damping cavity, and thepiston rod penetrates through holes reserved in the partitions and extends into the damping cavities to be fixedly connected with the pistons; shape memory alloy springs sleeve the piston rod locatedin the working cavity, one end of each spring is fixedly connected to the mass block, and the other end of each spring is fixed to the corresponding partition; each damping cavity is filled with magnetorheological fluid, an energizing coil wind the outside of each damping cavity, and the energizing coils are connected with the induction control device.

The invention discloses an anti-seismic anti-wind automatic agricultural plastic greenhouse. Arch-shaped steel frames connected through transverse supporting steel strips are arranged between a firstarch-shaped brick and a second arch-shaped brick in a greenhouse frame. A first winding shaft and a second winding shaft are installed in a limiting box fixed to the greenhouse frame. Plastic cloth iswound on the first winding shaft and the second winding shaft. The edges of the plastic cloth are fixedly provided with limiting rings. A first water reservoir and a second water reservoir are arranged at the lower portion of the greenhouse frame. A first water conveying pump is arranged in the first water storage pool. A second water conveying pump is arranged in the second water storage pool. An automatic watering device in the greenhouse frame is composed of a limiting guide rail, a vertical water conveying pipe, a transverse water conveying pipe, watering nozzles, straight rail teeth, a limiting gateway, a limiting slider, a supporting plate, a third electric motor and a transmission gear, and the problems are solved that an existing agricultural plastic greenhouse cannot realize theeffect of automatically winding and unwinding plastic cloth, cannot realize automatic watering, cannot realize water resource conservation, and is poor in anti-seismic anti-wind performance.

The invention discloses an anti-shock communication tower. The anti-shock communication tower comprises a tower body. A tower seat is fixedly mounted at the bottom of the tower body. Shock absorptiondevices are arranged at the bottom of the tower seat. The shock absorption devices comprise main rods. Protruding columns are fixedly connected to the front sides of the main rods. The protruding columns are rotatably connected with second connecting rods. The second connecting rods are rotatably connected with third connecting rods. The third connecting rods are rotatably connected with fixing seats. Spring seats are fixedly connected to the inner sides of the third connecting rods and the outer sides of the main rods. Second springs are fixedly connected between the spring seats. Spring columns are fixedly connected to the bottoms of the main rods. Third springs sleeve the spring columns. Fixing piles are driven into the ground, and therefore the base is fixed. During shock, the second and third springs of the shock absorption devices are stretched and extruded, and restoring force is generated, and therefore shock to the tower body is obviously reduced. Meanwhile, the first springson two sides of the tower body also generate restoring force, and the tower body is driven to be stable. Wind and shock resisting ability of the tower body is improved, and stability and reliability of the communication tower are improved.

The invention relates to a straw-steel fabricated wall connecting device and a connecting joint manufacturing method. At present, demands of people for office buildings and housings are increased yearby year, the form of construction is mostly reinforced concrete, the construction process is cumbersome, the destructiveness is high, and demolition objects are difficult to reuse. The straw-steel fabricated wall connecting device comprises a fabricated wall (11). The fabricated wall is divided into a left side wall body (1) and a right side wall body (2). The left side wall body is welded to twosliding self-locking structures. The right side wall body is welded to three sliding self-locking structures (3). The middles of the left side wall body and the right side wall body are provided withgrooves A (7) and convex parts A (8). The interior of each sliding self-locking structure is provided with sliding hollow metal (4). The side edge of each sliding hollow metal is provided with a sliding way (5) and a groove B (6). The upper edge of each sliding hollow metal is provided with a convex part B (12).

The invention discloses a shockproof connector, which belongs to the technical field of building components and comprises an upper plate, a lower plate and an angular portion at the joint of the upper plate with the lower plate. The overall shockproof connector is L-shaped, the end of the upper plate is provided with fixing holes, the middle of the upper plate is sequentially provided with a bent portion and a U-shaped bent portion in a projecting-out manner, two sides of the U-shaped bent portion are provided with two corresponding through holes respectively, a bolt is inserted into the through holes, a spring and a washer are sequentially mounted between the head of the bolt and the U-shaped bent portion, a nut is screwed to the tail of the bolt, the end of the lower plate is provided with fixing holes, and the middle of the lower plate is provided with a projecting-out bent portion. The shockproof connector has the advantages that the shockproof connector is suitable for mounting at the joint of a building indoor wall or column with the ground, stability and shaking restoring force of a building are enhanced, and shock proofing and wind prevention are achieved.

This is a method to enhance the capability of shock and strong wind resistance for wood buildings. By strengthening the basement and installing anchor bolts to enhance banding strength of integrated structure to basement as well as that of wood structure parts.

The invention relates to a light steel concrete prestress combined type wind power tower drum section and a wind power tower thereof. The light steel concrete prestress combined type wind power tower drum section comprises a plurality of mutually spliced arc-shaped prefabricated tower drum section fragments, and each prefabricated tower drum section fragment comprises an arc-shaped plate and light steel pipes fixedly mounted on the upper side and the lower side of the arc-shaped plate; stress holes facilitating penetration of prestressed tendons are arranged on the arc-shaped end faces of the light steel pipes; each arc-shaped plate comprises a curved corrugated steel plate, reinforcing meshes arranged on the two sides of the corrugated steel plate and concrete poured on the outer sides of the reinforcing meshes, and through holes facilitating mutual circulation of the concrete on the two sides of the corrugated steel plate are arranged on the corrugated steel plate; and fastening devices are fixedly installed between the adjacent prefabricated tower tube section fragments. The prestress combined type wind power tower tube section has the advantage that the tower tube section can be assembled and poured on site.

The invention discloses an architectural decoration curtain wall. The curtain wall comprises main boards, docking grooves and docking strips, the docking strips are welded to the right sides and topsof the main boards, the docking grooves are formed in the left sides and bottoms of the main boards, the sizes of the docking grooves are consistent with the sizes of the docking strips, docking blocks are movably connected with both ends of the docking strips, the main boards include insulating layers, the insulating layers are fixedly connected with the back faces of the main boards, vacuum plates are fixedly connected with the front surfaces of the insulating layers, vacuum chambers are formed in the inner openings of the vacuum plates, radiation-proof layers are fixedly connected with thefront surfaces of the vacuum plates, the front surfaces of the radiation-proof layers are fixedly connected with unit glass, the front surface of the unit glass is closely bonded with a diverging layer, a plurality of reinforcing pads are embedded in the inner walls of the vacuum plates, and a reinforcing rod is embedded between two reinforcing pads. The curtain wall can completely isolate noise and prevent people from being hurt by the noise, and has the advantages of strong wind resistance, earthquake resistance, heat preservation capability and the like.

The invention discloses totally-closed steel clad wood for a cold-formed thin-walled steel house. The totally-closed steel clad wood comprises a whole wood beam and high-strength galvanized steel. The whole wood beam is used for filling of totally-closed steel clad wood bodies, and the whole wood beam with the size being 88mm * 88mm (sum of positive deviation and 2mm) and the length being 3m or 4m or 6m is selected as the whole wood beam. The high-strength galvanized steel fixedly wraps the outer side of the whole wood beam, and high-strength galvanized steel materials with the width being 360mm and the thickness being 0.8mm or 1.0mm are selected as the high-strength galvanized steel and used for overall wrapping of the whole wood beam. After the high-strength galvanized steel comprehensively wraps the whole wood beam, the stability, safety and durability of a building structure are greatly improved. At the large-span position, the corner position and a door and window opening of the cold-formed thin-walled steel house building, the multiple totally-closed steel clad wood bodies are assembled into a high-strength steel clad wood stand column used for a stand column and a cross beam in the cold-formed thin-walled steel house building process, and therefore the supporting and pulling functions are achieved, and the structure of the cold-formed thin-walled steel house is more stable.

The invention provides a clamp assembly of a window structure, the window structure and a cable net curtain wall. The clamp assembly comprises a first component and a second component, the first component is provided with a first inhaul cable clamping part, a first inhaul cable clamping position is formed on the first inhaul cable clamping part, the second component is provided with a first glass clamping part, and the first glass clamping part is provided with a first glass clamping position and a second glass clamping position which are perpendicular to each other. The first component and the second component are in sliding fit in the gravity direction. The window structure comprises a frame body, a first clamp, a second clamp and a blade, a plurality of glass frames of the frame body are connected through the first clamp and the second clamp, and the first clamp is the clamp assembly. The cable net curtain wall comprises the window structure. According to the cable net curtain wall, the overall full-transparent appearance of the cable net curtain wall is achieved, when the inhaul cables generate flexible deformation, the clamp assemblies can absorb deformation through movement, acting force is prevented from being transmitted to a window structure, and it is guaranteed that the window structure is stable and reliable.

The invention relates to an LED (light emitting diode) star shower light, which comprises a light tube, a light holder and a connecting element, wherein the light tube consists of a plurality of LED lights in rows, a PCB (printed circuit board), a chip control circuit and a transparent outer tube, and the connecting element connects the light holder and the light tube. The connecting element is adopted for installing the light holder onto the light tube, and the light holder can adopt a common use standard joint, so that the light holder can be matched with a common use light base, safety and waterproof performance are realized, the installation is convenient, the windproof and shock resistance performance are enhanced, the light body falling possibility is reduced, and the service life of the light is prolonged. The LED star shower light has the advantages that the appearance is unique, convenience and practicability are realized, the LED light can realize the continuous grouped gradual illumination or gradual extinguishment through being controlled by a chip, and a star shower effect is generated.

The invention discloses a plane outer sunshade door and window. The plane outer sunshade door and window is characterized in that a vehicle frame capable of moving up and down along a door and windowvertical frame is arranged in a door and window frame defined by an upper transverse frame, a lower transverse frame, a vertical frame, a plurality of louvers are connected with the vehicle frame through a steel cable, the vehicle frame is connected with a lifting hand cranking device through a steel cable lifting mechanism, and lifting of the vehicle frame and the louvers is controlled by the lifting hand cranking device; the fact that the louvers are raised and lowered can be achieved, and the louvers can be adjusted to rotate through a louver angle adjuster so that the louvers rotates to achieve the opening and closing functions of 0-120 degrees; and lifting of the louvers is adjusted through the lifting hand cranking device, the overall structure of the sunshade door and window is stable and firm, the connection between the components is tight, safe and reliable, and the plane outer sunshade door and window can withstand the harsh weather conditions such as outdoor fierce wind.

The invention belongs to the technical field of civil engineering, and particularly relates to a civil engineering anti-seismic structure. The civil engineering anti-seismic structure comprises a softstructure body and a plurality of seismic reduction structures; the soft structure body is arranged outside a building in a sleeving mode, the soft structure body comprises a plurality of column bodies arranged around the periphery of the building, the plurality of column bodies are vertically arranged and parallel to one another, a plurality of cross beams are arranged between the plurality of column bodies, and the plurality of cross beams are horizontally arranged and are parallel to one another; and the plurality of seismic reduction structures are located between the soft structure bodyand the building, one ends of the seismic reduction structures are connected with the soft structure body, and the other ends of the seismic reduction structures are connected with the building. According to the civil engineering anti-seismic structure, the periphery of the building is provided with the soft structure body in a sleeved mode, and then the soft structure body is connected with the building through the plurality of seismic reduction structures; the building is good in rigidity and severe in shaking, and the shaking amplitude of the building is reduced through the vibration reduction effect of the plurality of seismic reduction structures; and the structure of the civil engineering anti-seismic structure is reliable, and the acting force of earthquakes and strong wind acting on the building is weakened, so that the anti-seismic and wind-resistant capacity of the building is effectively improved.

An agricultural windproof and shockproof plastic greenhouse comprises a plastic film, a damping air cushion, an outer keel frame, a reinforcing device and an inner keel frame, the outer side of the inner keel frame is covered with the plastic film, the two ends of the inner keel frame are provided with opening covering films connected with the plastic film, and the outer side of the plastic film is sleeved with the outer keel frame; a reinforcing device for improving strength is arranged at the bottom of the outer keel frame, a damping air cushion is arranged on the outer side of the plastic film and comprises a supporting air pipe and an air supporting pipe, the air supporting pipe is connected with the lower end of the plastic film and is of an arc-shaped structure, and the supporting air pipe is arranged on the outer side of the plastic film in a sleeving mode and communicates with the air supporting pipe. The inner side of the plastic film is supported by the inner keel frame, theouter side of the plastic film is pressed and fixed by the outer keel frame, the stability of the whole greenhouse can be guaranteed, the wind resistance is improved, the shock absorption air cushionis arranged on the outer side of the plastic film, and the shock absorption effect can be achieved through the shock absorption air cushion.

The invention discloses a reinforcement structure of a square steel column, which comprises a horizontally arranged beam-column connection part (1), a vertically arranged square steel column (2), and the square steel column (2) connects with the beam through the column end (2.1) The column connecting parts (1) offset each other to bear the overall weight of the beam and column, and the column ends (2.1) are provided with openings (2.2) for reducing the bending and shearing capacity of the column ends (2.1), and the reinforcement structure also includes For the reinforcing plate (3) covering the opening (2.2), the reinforcing plate (3) is connected to the end of the column (2.1) through bolts (4), and the reinforcing plate (3) includes a body that is tightly attached to the square steel column (2) (3.1), a plurality of ribs (3.2) protruding from the body (3.1) and arranged laterally. The invention provides a square steel column reinforcement structure that does not need to reinforce the whole of the square steel column, but only needs to partially reinforce the end of the column to obtain an ideal anti-buckling effect and improve the overall wind resistance and earthquake resistance of the steel structure.

The invention relates to a straw-steel fabricated wall connecting device and a connecting joint manufacturing method. At present, demands of people for office buildings and housings are increased yearby year, the form of construction is mostly reinforced concrete, the construction process is cumbersome, the destructiveness is high, and demolition objects are difficult to reuse. The straw-steel fabricated wall connecting device comprises a fabricated wall (11). The fabricated wall is divided into a left side wall body (1) and a right side wall body (2). The left side wall body is welded to twosliding self-locking structures. The right side wall body is welded to three sliding self-locking structures (3). The middles of the left side wall body and the right side wall body are provided withgrooves A (7) and convex parts A (8). The interior of each sliding self-locking structure is provided with sliding hollow metal (4). The side edge of each sliding hollow metal is provided with a sliding way (5) and a groove B (6). The upper edge of each sliding hollow metal is provided with a convex part B (12).

The invention discloses a semi-active magneto-rheological tuned mass damper. The semi-active magneto-rheological tuned mass damper comprises a barrel body; a connection block is arranged in a bottom plate of the barrel body; and a working cylinder is fixed to the connection block. Separation plates are arranged in the working cylinder, and the working cylinder is divided into a center cavity, damping cavities and side cavities. The center cavity is internally provided with a mass block capable of horizontally moving in the axis direction of the axis of the working cylinder. The center of the mass block is provided with a groove and a rolling bearing, and the periphery of the mass block is connected with piston rods capable of sliding along the rolling bearing. The damping cavities are internally provided with pistons, and the pistons are fixedly connected to the piston rods. The piston rods penetrate through holes reserved in the partition plates, extend into the side cavities and areconnected with one ends of springs in the side cavities. The other ends of the springs are fixedly connected into the working cylinder. The damping cavities are filled with magneto-rheological fluid,and powered-on coils are wound around the damping cavities. The powered-on coils are connected with an induction control device inside the barrel body.

The invention discloses a multi-damping device based on magnet performance. The multi-damping device based on the magnet performance comprises an outer cylinder, and an upper layer plate, a middle layer plate, and a lower layer plate are horizontally arranged on the inner part of the outer cylinder sequentially from top to bottom; the upper layer plate and the lower layer plate are fixed to the upper inner wall of the outer cylinder and the lower inner wall of the outer cylinder correspondingly; the inner part of the middle layer plate is hollow, a plurality of separating plates are arranged in the inner part, and spaces formed between adjacent separating plates are provided with a moderate amount of particles; magnet sets are arranged between the upper layer plate and the middle layer plate and arranged between the middle layer plate and the lower layer plate; rigid rods are horizontally arranged on the left side and the right side of the middle layer plate and connected to the middlelayer plate, first sliding wheels are arranged at the other ends of the rigid rods, and the first sliding wheels are located on a first guiding rail; arranged direction of the first guiding rail is perpendicular to the rigid rods, and second sliding wheels are arranged at the two ends of the first guiding rail, and the second sliding wheels are located on a second guiding rail; the two ends of the second guiding rail are fixed to the inner wall of the outer cylinder; and springs are arranged all around the middle layer plate.

The invention discloses a magneto-rheological semi-active damper with adjustable stiffness. The damper comprises an outer annular cylinder fixed on the inner wall of a container and an inner cylinder;scrollable balls are arranged between the lower portion of the inner cylinder and a bottom plate of the device, and the inner cylinder and the outer annular cylinder are filled with a magneto-rheological liquid respectively; hollow spring pipes are connected between the cylinder walls of the inner cylinder and outer annular cylinder, the inner cylinder and the outer annular cylinder are communicated with each other through the hollow spring pipes, the magneto-rheological liquid can flow in the inner cylinder and the outer annular cylinder through the hollow spring pipes, the outer portions ofthe spring pipes are provided with magnet exciting coils, the magnet exciting coils, controllers and a solar panel arranged at the outer side of the upper portion of the container are connected in series to form a closed loop circuit, the controllers receive signals of acceleration sensors to control the current in the magnet exciting coils, thereby adjusting the stiffness of the hollow spring pipes and achieving the horizontal damping control; limiting plates are arranged between the outer annular cylinder and the inner cylinder to prevent the inner cylinder from being displaced too much; damping nets are arranged in the outer annular cylinder, and the torsion damping control is achieved through damping force.