222results about How to "Good shock isolation" patented technology

The invention relates to a vibration-isolating device, in particular to a combined vibration-isolating device. A ball/disc spring vibration-isolating device comprises a vibration-isolating support, and the upper end of the vibration-isolating support is connected with a damper. The device is not only suitable for a newly-built structure, but also suitable for anti-seismic reinforcement and post-earthquake repair of an original structure. Moreover, the device is applicable to ordinary civilian housings, civil engineering such as structures, bridges and the like, as well as storey-increased buildings and shifting buildings. The device can also be applied in vibration isolation and reduction of instruments and equipment and has low manufacturing cost and broad application prospects.

The invention discloses a special earthquake isolation and damping support seat which is suitable for railways and bridges and comprises a lead core lamination rubber support seat and an X-shaped mild steel damper, wherein the X-shaped mild steel damper consists of more than three X-shaped mild steel damper single sheets which are sequentially parallel and is arranged at the left side and the right side of the lead core lamination rubber support seat, and the upper end and the lower end of both sides of the X-shaped mild steel damper are respectively fixed on an upper connecting plate and a lower connecting plate of the lead core lamination rubber support seat with high-strength bolts. The special earthquake isolation and damping support seat disclosed by the invention can increase the initial rigidity, enhance the yield strength, efficiently limit displacement of the bridge during small earthquake and middle earthquake, ensure the safety of train running and fulfill the function of better earthquake isolation and damping during large earthquake.

The invention relates to the technical field of new energy automobiles. A pure electric logistics vehicle power line seal connection structure is disclosed. The structure comprises a power line formed by a first segment and a second segment. The first segment is provided with a plug which comprises a plug shell. The plug shell is provided with a connection hole which is internally provided with a conductive latch which is electrically connected to the first segment. The second segment is provided with a socket which comprises a socket shell and a conductive insertion sleeve which is electrically connected to the second segment in the socket shell. A plug outer shell is provided with a vibration isolation pad. The socket shell is provided with a connection head which is provided with a through hole which is aligned with the conductive insertion sleeve. The connection head is detachably inserted into the connection hole. The connection head and the connection hole are connected together in a sealing way through an inflatable sealing ring. The conductive latch passes through the through hole and is detachably connected in the conductive insertion sleeve. The pure electric logistics vehicle power line seal connection structure has the advantages of a good vibration isolation effect, the sealing and detachable connection of the power line and convenient connection and dismounting, and the problem of the inconvenience of separately driving a motor and a power supply of an existing electric vehicle is solved.

The present invention relates to a three-dimensional shock isolation equipment capable of simultaneously implementing horizontal and vertical shock isolation of building. Said equipment is divided upper and lower two portions. It lower portion is conventional shock isolator, and its upper portion is vertical shock isolator made of main butterfly spring group, auxiliary butterfly spring group and viscoelastic damper parallelly-combined system. Said invention also provides the concrete function of above-mentioned every portion and their arrangement method.

The invention discloses a shock insulating device resistant to pulling and twisting and belongs to the technical field of building shock resistance. The shock insulating device is mainly composed of a high-rise structure (1), an upper-portion rigid pedestal (2) with high rigidity and bearing capability, a base heat-insulating layer (3), viscous dampers (4), damping springs (5), springs, a damper supports (6), a lower-portion rigid pedestal (7) with high rigidity and bearing capability, horizontal limiting sliders (8), bottom horizontal shock-insulating linear guide rails (9), bottom longitudinal shock-insulating linear guide rails (10) and longitudinal limiting sliders (11). The shock insulating device is low in cost, simple in structure, convenient to construct, high in pulling resistance and twisting resistance and obvious in shock-insulating effect.

This invention is in structure tremble isolation and vibration control field, consists of upper connective tabulae, lower connective tabulae, rubber tile, steel plate, protective layer. Its characteristics are: steel plate and rubber tile are at superposition position; there is a hole in central part of steel plate; rubber tile has zonal shape; there is space in between steel plate and rubber tile; there is a liquid injection hole in the central part of uper connective tabulae; liquid injection hole is connected with through hole formed in the middle of abutment, and sealed with sealing thread plug; electricorheological fluids is full of the space formed in between steel plate and rubber tile; leadwire from end of steel plate is used to conenct with control divices providing control signals. In this invention, horizontal stiffness and damping characteristic sof abutment can be adjusted real time, this invention has strong pressurization capability, good deformability, good resilience capability, good energy consumption ability, and is applicable for the applications, where the existing superposition rubber abutment is used.

The invention relates to a two-way variable-camber friction pendulum earthquake insulation bearing, and belongs to the technical field of earthquake insulation. The two-way variable-camber friction pendulum earthquake insulation bearing mainly comprises an upper bearing baseplate, a lower bearing baseplate, an upper metal sliding plate, a lower metal sliding plate, an upper sliding friction plate, a lower sliding friction plate, an upper sliding block, a lower sliding block, an upper sliding block accommodating cavity, a lower sliding block accommodating cavity and a limiting plate. The two-way variable-camber friction pendulum earthquake insulation bearing disclosed by the invention aims to improve the earthquake insulation property of large-scale engineering structures under the effect of earthquake motion, based on the summary of large-scale earthquake insulation engineering structures, the equivalent stress of the sliding friction plates is controlled, the situation that the stress is excessively centralized is avoided, the working properties of sliding friction composite materials are improved, and the problems of variable-camber friction pendulum earthquake isolation engineering structures are solved. Compared with conventional earthquake isolation bearings, the two-way variable-camber friction pendulum earthquake insulation bearing disclosed by the invention has the advantages that the structure is simple, the force transmitting path is clear, the anti-drawing property is good, the durability is good, the vertical bearing force is large, the self-reset function is strong, the effect of earthquake insulation is good, and the two-way variable-camber friction pendulum earthquake insulation bearing disclosed by the invention is suitable for important earthquake insulation engineering structures.

The invention discloses a theory of durable three-dimensional energy dissipation shock absorption and shock insulation base for a large sized vertical type liquid storage tank, a structural method thereof and a structure thereof. The base takes a reinforced concrete rotary thin shell with ring beams as a shock insulation and bearing structure, a sand bedding layer thickly laid under the rotary thin shell as a bearing and energy dissipation shock absorption structure, and an underlayer as a concrete precast slab protective layer and a earthwork synthetic material impermeable layer. The engineering construction method is briefly introduced here. The liquid storage tank which is good in rigidity as well as flexibility can resist a destructive 10-magnitude earthquake, the service life is as long as 70 to 100 years, but for other disasters such as earthquake downfall, bad slip, collapse and debris flow, etc., additional protective measurements need to be taken.

The invention provides an LNG liquid storage tank shock insulation layer which is adaptive to high pile foundation shock insulation on the lower portion of an LND liquid storage tank where cold gas needs to be removed by dispersing in a ventilation mode. The LNG liquid storage tank shock insulation layer comprises a plurality of reaction walls, a plurality of sliding supports, a plurality of lamination rubber supports and a plurality of sticking dampers. The sliding supports are fixedly connected with the lower bottom face of a bottom plate of a tank body of the liquid storage tank and the top face of a pile foundation respectively. The lamination rubber supports are fixedly connected with the lower bottom face of the bottom plate of the tank body and the top faces of the reaction walls respectively. The two ends of each sticking damper are hinged to the lower surface of the bottom plate of the tank body and the stand face of the corresponding reaction wall through ball hinged supports respectively. The LNG liquid storage tank shock insulation layer can be well adaptive to horizontal displacement and vertical vibration of the liquid storage tank caused by an earthquake, the earthquake response of the tank body and the pulse pressure, the convection effect and the waggling wave height of storage liquid can be greatly lowered, accordingly, the influence on the final shock insulation effect from changing of liquid storage amount in the liquid storage tank can be lowered, and a future earthquake with the uncertain earthquake magnitude can be well resisted.

The invention discloses a shock insulation device for a railway bridge. The shock insulation device comprises a base, a shock-absorbing support seat and a shock absorbing structure, wherein the shockabsorbing structure comprises a shock absorbing seat and a shock absorbing frame arranged on the shock absorbing seat, a shock absorbing cavity with an opening in the top surface is formed in the shock absorbing seat, at least two propping cavities are uniformly formed in the inner wall of the shock absorbing cavity, through holes are vertically formed in the shock absorbing seat, a vertical slotis formed in the shock absorbing frame, rotating plates are arranged in the propping cavities, shock-absorbing propping rods and buffering propping rods are fixed on edges of the rotating plates, pullcable rings are fixed on the base, driving wheels are arranged on the shock absorbing seat, pull cables are arranged between the propping cavities and the pull cable rings, and shock-absorbing elastic pieces with W-shaped sections are fixed between the bottom surface of the shock-absorbing seat and the base. The shock insulation device is reasonable in structure arrangement, the overall use stability and reliability can be guaranteed, the shock insulation device has better shock insulation performance, besides, the overall horizontal rigidity is also effectively guaranteed, the adaptability is high and the practicability is good.

The invention provides a replaceable arc-shaped soft steel plate combined energy dissipation damper for beam-column joints. The replaceable arc-shaped soft steel plate combined energy dissipation damper comprises an upper end plate and a lower end plate, wherein an inner arc energy dissipation mechanism and an outer arc energy dissipation mechanism are arranged between the upper end plate and thelower end plate; in the inner arc energy dissipation mechanism, an upper arc plate and a lower arc plate are fixedly connected through a plurality of groups of energy dissipation plates vertically penetrating through the upper arc plate and the lower arc plate, and the parts of each group of energy dissipation plates extending out of the outer side of the upper arc plate and the outer side of thelower arc plate are connected together through connecting pieces; and in the outer arc energy dissipation mechanism, a plurality of outer arc plates are fixed together in series by deformation bolts penetrating through arc grooves. According to the replaceable arc-shaped soft steel plate combined energy dissipation damper, the energy dissipation plates and the deformation bolts jointly bear the energy dissipation, and under the action of an earthquake, the energy dissipation plates and the deformation bolts are bent and deformed, so that the plastic deformation at the beam-column joint is reduced to ensure that a frame beam-column can still maintain good ductility after the earthquake, and the function of dissipating earthquake energy is achieved.

The shock insulating apparatus for house includes one top plate for the house to be built on, one under plate, and supporting steel bars or pipes. The top plate and the under plate of reinforced concrete can bear the house load; and the supporting steel bars or pipes are set between the top plate and the under plate integrally. The shock insulating apparatus has its side shift regulating rigidity between the top plate and the under plate regulated through altering the diameter and length of the supporting steel bars or pipes. Under the action of earthquake load, The top plate and the under plate generate relative shift to reduce the earthquake effect on the upper structure. The present invention has high shock insulating effect, and the supporting steel bars or pipes has elastic restoring force sufficient to restore the steel bars or pipes to initial locations after earthquake.

The invention provides a tension resisting and twisting resisting combined shock isolation device with the self-restoring function, and belongs to the technical field of shock absorbing and isolating technique of structural engineering. The device mainly comprises a high-flexibility device (1), a rigid supporting pedestal (2), a transverse limiting sliding block (3), a transverse shock isolation linear guide rail (4), a transverse shock absorbing tension spring (5), a transverse shock absorbing tension spring support (6), a layering separating plate (7), a longitudinal limiting sliding block (8), a longitudinal shock isolation linear guide rail (9), a longitudinal shock absorbing tension spring support (10) and a longitudinal shock absorbing tension spring (11). The combined shock isolation device has the advantages that the material performance of each part can be fully utilized; in addition, the shortcoming of poor tension resisting capacity and vertical bearing capacity of a rubber support seat is overcome; the advantages of high tension resisting capacity and twisting resisting capacity, and outstanding effect on shock isolation for bases of the high-flexibility device and a high-flexibility structure are brought.

The invention discloses a sliding-friction pendulum combined shock-insulation layer with an ultra-large bottom surface. The combined shock-insulation layer comprises an upper spherical shell layer, a lower spherical shell layer and sliding frames. Four arc-shaped spherical faces are arranged on the upper surfaces of the lower spherical shell layer. Four arc-shaped spherical faces are arranged on the lower surface of the upper spherical shell layer. Each sliding frame is composed of a plurality of sliding blocks, upper connecting components, lower connecting components, connecting beams and sliding frame columns, wherein the sliding frame columns are connected between the upper connecting components and the lower connecting components, and the lateral portions of the upper connecting components and the lateral portions of the lower connecting components are connected with the connecting beams. The upper end surfaces of the upper connecting components and the lower end surfaces of the lower connecting components are welded to the sliding blocks. The sliding frames are in overlap joint with the arc-shaped spherical faces of the upper spherical shell layer and the arc-shaped spherical faces of the lower spherical shell layer through the sliding blocks. According to the sliding-friction pendulum combined shock-insulation layer with the ultra-large bottom surface, the sliding frames are formed through connection of the sliding blocks, and the integral shock-insulation layer is formed by the sliding frames, the upper spherical shell layer and the lower spherical shell layer; and the span of the shock-insulation layer is quite large, the allowable deformation, in the horizontal direction, of the shock-insulation layer is far larger than that of a shock-insulation support, and the requirement for horizontal deformation of the shock-insulation layer under an extremely-powerful earthquake can be completely met.

The invention discloses a bridge composite foundation for deep water and strong earthquake conditions, and particularly relates to combination application of a group pile foundation body, suction caisson foundation bodies, a pressure-less caisson foundation body and a reinforced cushion. According to the bridge composite foundation, the multiple suction caisson foundation bodies are arranged on the periphery of the pressure-less caisson foundation body in an annular shape, the pressure-less caisson foundation body is directly arranged at the top of the reinforced cushion and is not connected to piles and the suction caisson foundation bodies, the position between the suction caisson foundation bodies and the pressure-less caisson foundation body is filled with ring-and-stringer-stiffened rubble, and the reinforced cushion plays a main role in seismic isolation, is formed by combining a sand cushion body, a pebble bed and a rubble layer and is further provided with geotextile and a geogrid so as to control particle dislocation and cushion liquefaction. The novel bridge composite foundation can be applied to the deep water and strong earthquake severe natural conditions, the seismicisolation effect can be achieved, the transmission of the earthquake force from the ground to the foundation can be reduced, meanwhile, a relatively large horizontal load can be borne, the horizontaldisplacement of the foundation can be limited, and the safe use of a bridge can be guaranteed.

The invention discloses a multi-directional self-resetting shape memory alloy damper and a mounting method thereof. A damper top plate and a damper bottom plate are connected through supporting chainrods, the damper top plate and the damper bottom plate are symmetrically provided with a plurality of pulleys respectively, shape memory alloy wires penetrate through the pulleys and are symmetricallyarranged in a Z shape to form the damper of a cylindrical structure, and the shape memory alloy wires are pre-tensioned by rotating tension nuts arranged on the damper bottom plate, so that the initial stress of the shape memory alloy wires is in the middle section of martensite phase transformation. The multi-directional self-resetting shape memory alloy damper and a mounting method thereof havethe advantages that the structure is simple, and the installation is convenient; the multi-directional self-resetting shape memory alloy damper can be widely applied to passive control in the technical field of civil engineering and mechanical engineering to effectively reduce the vibration of structures or components and the residual deformation after strong vibration, and can be applied to basic vibration isolation and energy dissipation and shock absorption system to effectively control the vibration response of the upper structure under external vibration excitation.

The invention relates to the technical field of amino resin production, and provides a preparation method of a graphene amino resin in which the graphene and amino resin are combined stably. The invention solves the problem of unstable combination between the graphene and amino resin in the graphene amino resin prepared by the existing process. The invention also provides a favorable-shock-insulation-effect adjustable-blade-height graphene amino resin preparation device capable of preventing large granule substances from entering the container. The device solves the following problem: the existing reaction kettle can stir the material efficiently on the premise of generating the phenomenon of idle stirring blades when the material height changes, has poor shock insulation effect, and can not prevent the large granule substances from entering the container. The device comprises a container and a stirrer, wherein the container is provided with a shock insulation foot; a feed port of the container is provided with a filter screen; the height of the stirring blades of the stirrer is adjustable; and a motor is provided with a connecting terminal.

The invention provides low-strength composite mortar doped with glass bead aggregate and plant fibers and a preparation method thereof and belongs to the field of building materials. The low-strength composite mortar is formed by mixing cement, a mixed aggregate, the plant fibers, a lime paste and water at a weight ratio of 1:(8-12):(0.12-0.80):(0.8-1.3):(1.2-1.5); the mixed aggregate is a mixture of glass beads and natural fine sand; the mass percent of the glass beads is 70%-85%; the glass beads adopt reproducible glass beads which take crushed glass and the like as raw materials and are the glass beads with the diameter of 3.5-5mm; the fine sand is natural sand and the maximum grain diameter passes through a sieve hole with the size of 1.5mm; the plant fibers comprise natural plant fibers with good flexibility and good blocking property, such as hemp fibers, bamboo fibers and cotton stalk fibers; the lime paste is a product obtained by curing lime stones. The low-strength composite mortar has the advantages of low cost, environment-friendly and easily-available materials, wide distribution and less energy consumption. The method is simple to operate and is easy to construct.

The invention provides a novel seismic-isolation composite foundation and a construction method thereof. The novel seismic-isolation composite foundation comprises an upper structure, a raft board, afiber solidified soil layer, a double-layer wrapping type geotechnical composite broken stone layer, a solidified soil layer and piles sequentially from top to bottom, a segment is reserved at the topof each pile for being buried into the solidified soil layer, the reserving height accounts for 30-60% of the height of the solidified soil layer, the raft board is placed at the center of the grouped piles and buried into the fiber solidified soil layer, and fiber solidified soil is laid at the top of the raft board. The bearing capacity of the novel seismic-isolation composite foundation can beimproved, uneven settlement of a whole system is relieved, horizontal displacement is effectively prevented and controlled, piercing damage of the pile tops is prevented, seismic energy is absorbed and dissipated, and a novel and efficient anti-seismic and high-strength seismic-isolation composite foundation is constituted.

The invention discloses a friction pendulum connected fabricated steel structure system and a design method thereof. The friction pendulum connected fabricated steel structure system comprises at least two layers of steel frame structures and a group of friction pendulum shock isolation devices; steel columns of each layer of steel frame structure are disconnected at the joint with the lower floor; the friction pendulum shock isolation devices are correspondingly arranged between the steel columns of every two layers of steel frame structures; each friction pendulum shock isolation device comprises an upper connection plate and a lower connection plate; the middles of the bottom surfaces of the upper connection plates are connected with plugging blocks; the bottom surfaces of the pluggingblocks are convex curved surfaces which are convex downwards; lugs are arranged on the top surfaces of the lower connection plates; plugging slots are formed in the tops of the lugs; the bottom surfaces of the plugging slots are concave curved surfaces which are concave downwards; the plugging blocks are correspondingly plugged in the plugging slots; the tops of the plugging blocks are higher thanthe tops of the plugging slots; and distances are reserved between the side walls of the plugging blocks and the side walls of the plugging slots. The friction pendulum connected fabricated steel structure system is capable of solving the technical problems that the existing fabricated steel structure buildings are complicated in connection joints, large in field workload and low in constructionefficiency, the joints of the frame structures are rigidly connected and the seismic resistance of the frames is relatively bad are solved.