37results about How to "Solve the shock resistance" patented technology

The invention relates to buildings, and particularly belongs to technical application of magnetic suspension in the filed of vibration prevention of an engineering structure. The invention adopts the technical proposal that: a plurality of substructures are arranged in the engineering structure, the bottom layers of the substructure are provided with an electromagnet, the lower part of the electromagnet is provided with a corresponding structural electromagnet, the electromagnet and the structural electromagnet after being powered have the same electromagnetic polarity, and the electromagnet and the structural electromagnet are connected with an electromagnetic control device with an earthquake signal receiving device. The technical application has the advantages that: because the engineering structure applied with the magnetic suspension technology fully isolates the earthquake influence, the problems of various assumptions calculated by earthquake action, mutual influence of the earthquake and the structure, and the like disappear; and the structure is not influenced by the strength, properties and the like of the earthquake.

The invention relates to UPS (uninterruptible power supply) equipment for ships, which is mainly composed of a housing, a host and a storage battery, and is characterized in that the bottom part and the back part of the housing are provided with a shock-absorbing spring device; three-level anti-corrosion treatment of abrasive blasting-nickel plating-anti-corrosion paint coating is carried out on the inner wall of the housing; a host circuit is mainly composed of a 24-phase rectifier, a charging and discharging unit, an inverter unit, a static switch and a manual bypass switch; and the host is powered in three modes which are a main power supply, a bypass power supply and a battery pack. Through using the equipment provided by the invention, requirements on such aspects of heat dissipation, shock and impact resistance, three-proofing, electromagnetic compatibility and the like for the UPS equipment in ship environments, requirements for an uninterruptible power supply of shipborne important load equipment are met, and the running stability of system equipment is improved.

The invention discloses a self-alignment integrated package method of a high-density three-dimensional lamination layer, and aims to provides an integrated package method which employs a BGA welding ball as an interlayer mechanical support for multi-layer substrate self-alignment three-dimensional stack and also can be a signal interconnection passage among high-density layers. The self-alignmentintegrated package method is implemented according to the technical scheme that bonding pads are arranged on a lower surface of a top-layer substrate, an upper surface and a lower surface of an intermediate-layer substrate and an upper surface of a bottom-layer substrate and are used for welding micro BGA welding balls, the micro BGA welding balls are attached onto the upper surface of the intermediate-layer substrate and the upper surface of the bottom-layer substrate, the micro BGA welding balls on the upper surface of the intermediate-layer substrate are corresponding to the lower surface of the top-layer substrate, the micro BGA welding balls on the upper surface of the bottom-layer substrate are corresponding to the lower surface of the intermediate-layer substrate, vertical and interconnection rectangular array micro BGA ball welding is formed, a hollow square boss cavity box body is arranged at the peripheries outside an upper cavity surface of the intermediate-layer substrate 2and an upper cavity surface of the bottom-layer substrate 3, the cavity box body is stacked and placed in a backflow welding furnace by a tool, and self-alignment lamination layer welding is performed to form a package body.

The invention discloses a seismic performance abnormality positioning method for the seismic support hangers of a subway project. The method includes the following steps that: S1, sensors are set; S2,the representative values of the vibration responses of the seismic support hangers caused by a subway train are calculated; S3, the mean value control charts of the seismic support hangers under intact states are built; and S4, a seismic support hanger with abnormal seismic performance is positioned. With the method of the invention adopted, an effective decision basis can be provided for the positioning of the seismic performance abnormalities of large-scale seismic support hangers; the precision of seismic monitoring is improved; people are not required to watch over a test site, and automated monitoring is realized; multi-point monitoring is adopted, so that whether the seismic performance of seismic support hangers on a whole subway line is abnormal or not can be determined through comparative analysis; multi-point real-time monitoring can be performed on a subway tunnel; and the seismic performance of the seismic support hangers can be monitored around the clock for a long time.The method has high intelligence degree and is safe and reliable.

The invention provides an energy consumption self-recovery pressure type anchor rod and a construction method thereof. The pressure type anchor rod comprises an anchor rod system and an energy consumption self-recovery system. The anchor rod system comprises a rod body, a casing pipe, an anchorage device and a cushion plate. The front end of the anchor rod system is fixed to a soil retaining structure through the anchorage device and the cushion plate, the rear end of the anchor rod system is connected with the energy consumption self-recovery system, and slurry is injected to the periphery ofthe anchor rod system. The energy consumption self-recovery system comprises a hydraulic cylinder, springs, a baffle, a piston, a piston rod, viscous liquid, a throttling hole and a pressure bearingcylinder. The pressure bearing cylinder is connected with the front end of the hydraulic cylinder, and the cylinder is filled with the viscous liquid; one end of the piston rod is fixed to the piston,and the other end of the piston rod penetrates the hydraulic cylinder and the pressure bearing cylinder to be connected with the rod body; the baffle is arranged on the piston rod, and the two sidesof the baffles are sleeved with the springs; and under the impact and reciprocating load effect, the springs are pulled and pressed to drive the piston to move in the hydraulic cylinder, deformation yielding energy consumption and self recovery of the anchor rod are achieved, and the energy consumption and vibration reduction effects are obvious. The technology is simple and feasible, the self recovery device is arranged at the bottom of the anchor rod so that construction can be convenient, and the external slurry has a good protection effect.

The invention relates to a shipborne data storage device and an assembling reinforcement method. The shipborne data storage device is composed of a casing, an aviation panel connector, an installation base and a data memory. The casing is prepared by aluminum alloy and is provided with a ventilation plate; the inner wall is nickel-plated and is coated with anticorrosive paint; each slit joint is provided with a conductive lining; the bottom is fixedly provided with the installation base. Vibration dampers are set between the bottom and sides in the casing with the data memory, and conductive lining materials are arranged; aluminum silvered conductive rubber leather is clamped between the aviation panel connector and the casing to increase transition connection; the circuit board in the data memory is completely sprayed with moistureproof anticorrosion paint. The shipborne data storage device and assembling reinforcement method effectively meet requirements of commercial data storage equipment heat dissipation, vibration and impact resistance, three proofings and electromagnetic compatibility under shipborne environments, and enhance environment adaptability.

The invention discloses a high-strength thermal-shock-resisting light heat-insulting fireproof brick and a preparation method thereof. The fireproof brick is prepared from the following raw materials in parts by weight: 50-55 parts of a light mullite aggregate, 8-10 parts of alpha-Al2O3 micro-powder, 12-15 parts of electric-melt mullite powder, 18-22 parts of talcum powder, 5-8 parts of kaolin powder, 2-2.5 parts of nanometer SiO2 powder and a binding agent of which the weight is 0.5-1 percent of the total weight of the components. The finished product prepared according to the prescription contains nanometer composite cordierite-mullite common crystal phase components; the problem of poor thermal shock resistance and short service life of the heat-insulating fireproof brick can be effectively solved; the finished product is good in thermal shock resistance, stable in high temperature resistance, resistant to high-temperature creep, capable of effectively preventing drop of bricks and cracking during use, long in service life, high in production efficiency and capable of avoiding huge economic loss of an enterprise due to shutdown maintenance.

The invention discloses a special-shaped stone point-suspension structure. The special-shaped stone point-suspension structure comprises a first steel piece (1) and a second steel piece (5), wherein the first steel piece (1) is in a shape of an inverted F, screw holes are formed in an upper layer and a lower layer of the F shaped, the upper layer is fixed to a wall through an expansion bolt (2), and the lower layer is fixed to the wall through a lengthened lead screw expansion bolt (3); the second steel piece (5) is in a shape of a turned-over F, screw holes are formed in the side face and in the upper surface of the turned-over F shaped, the side face is fixed to the first steel piece (1) through a lengthened lead screw expansion bolt (3), a bracket (6) is installed on the second steel piece through a bolt (7), and the upper surface and the lower surface of the suspension end of the bracket (6) are both connected with stones. The special-shaped stone point-suspension structure has the advantages that construction difficulty can be greatly reduced, construction quality is improved, the problems that the construction efficiency is low and the maintenance frequency in the later stage is high are solved, and the special-shaped stone point-suspension structure is effective in seismic resistance.

The invention discloses a fabricated seismic reinforcement and reconstruction structure of an existing building and a reconstruction construction method, and belongs to the technical field of seismicreinforcement and energy-saving reconstruction of existing buildings. The fabricated seismic reinforcement and reconstruction structure comprises bridge cutoff planted bar sets distributed on concretecolumns and floors in the existing building, reinforced load-bearing steel bars, outer attached stand columns and outer attached floors, wherein the reinforced load-bearing steel bars and bridge cutoff planted bars are bound on the outer sides of the concrete columns and the floors of the existing building to form an outer attached bar net, and the outer attached stand columns and the outer attached floors are formed on the outer attached bar net in a pouring manner. The fabricated seismic reinforcement and reconstruction structure further comprises an internal insulation board, a self load-bearing lightweight aggregate concrete insulation board and efficient insulation boards attached to the outer surfaces of the outer attached stand columns and the outer attached floors, wherein the internal insulation board and the self load-bearing lightweight aggregate concrete insulation board are sequentially located on the outer surface of a wall of the existing building from inside to outside. Through the improvement to the seismic reinforcement structure and the construction method, the problems that the existing building is low in seismic fortification criterion and high in heating andrefrigerating energy consumption are solved, and the problems that the service life of building exterior insulation is the same as that of the building, and a building heat bridge is cut off are alsosolved.

The invention discloses a shock absorber for mining equipment mounting. The shock absorber comprises a shock absorbing barrel, a shock absorbing spring, a piston plate, a shock absorbing barrel cover,a piston rod and a base. The shock absorbing barrel cover is connected with the upper end of the shock absorbing barrel. A guiding sleeve is arranged in the middle of the shock absorbing barrel coverin a penetrating mode. The upper end of the guiding sleeve penetrates from the shock absorbing barrel cover and is in threaded connection with a locking nut. The piston rod is arranged in the middleof the guiding sleeve in a penetrating mode. A supporting block is welded to the top end of the piston rod. A connecting plate is fixed to the side face of the supporting block. The bottom end of thepiston rod penetrates through the piston plate and an upper spring base to be connected with the fixing block. The shock absorbing spring is connected with the lower portion of the upper spring base fixedly. By mounting the shock absorbing spring in a damping medium cavity and filling the damping medium cavity with viscous fluid, sliding of the piston plate is buffered, vibration from a connectingplate to the piston rod is buffered, the shock absorber has good shock absorbing effect and shock resistant effect, and the problems that shock resistance and shock absorption during mounting of mining equipment are difficult to achieve are effectively solved through the shock absorber.

The invention discloses a highly seismic region prefabricated assembled bridge central pier stud-cover beam node pouring connection mode and construction and belongs to the field of bridge engineering. The construction comprises a prefabricated pier stud and a prefabricated cover beam. The prefabricated pier stud and the prefabricated cover beam are connected into a bridge pier system through pouring of high-performance materials and splicing. The prefabricated pier stud is composed of a pier stud longitudinal bar, a pier stud stirrup, an overlap-joint large-diameter longitudinal bar, an overlap-joint stirrup and an inclined rebar jointly. The prefabricated cover beam comprises a grouting pipeline, a cover beam construction stirrup and a pouring inserting groove. The splicing quantity of the pier stud longitudinal bar is only a half or much less of the total quantity of longitudinal stressed rebars, and high-performance materials are adopted for pouring splicing. Small damage to a post-earthquake pier stud plastic hinge region is ensured while a large-diameter overlap joint longitudinal bar meets the bridge anti-seismic requirement in a highly seismic region. The bridge building speed can be increased greatly and construction convenience is improved greatly while the bridge anti-seismic requirement in the highly seismic region is met and construction quality is ensured, and a completely novel technical solution can be provided for prefabricated assembled bridge engineering application in the highly seismic region.

The invention discloses a total precast lower structure of a bridge and a construction method. The structure is mainly composed of single whole precast lower components, a precast base plate, a prestressed steel strand and aseismic ribbed bars; single precast components which are precast in a factory overall are composed of cover beams, pier columns and enlarged foundations; the cover beams of the whole single precast components are reserved with corrugated pipes, and the prestressed steel strand is connected with the components in series through the reserved corrugated pipes in site assembly; concrete cast-in-site segments are arranged between the enlarged foundations of the single precast components, and the enlarged foundations of the single precast components are integrally connected in site construction; the whole precast base plate is arranged on the bottom of a whole foundation; when main beams to be precast is reserved on the tops of the cover beams of the precast components, the tops of the cover beams extend into the aseismic ribbed bars of main beam reserved holes. According to the total precast lower structure of the bridge and the construction method, the mode is simple, and the structure is suitable for a high intensity seismic zone.

The invention discloses an assembly type concrete shear wall connection method based on a mortise and tenon structure, and belongs to the technical field of building engineering. The method involves two shear walls (the wall joint is made into a mortise and tenon shape and a reserved hole corresponding to the concave-convex part of the mortise and tenon), a plurality of prestressed reinforcements,a plurality of sleeves and a certain area of carbon fiber. The method mainly utilizes the mortise and tenon structure, a sleeve grouting technology, the prestressed reinforcement and a carbon fiber material to optimize the connection between the walls. The method solves the problems of poor shock resistance, low strength, poor crack resistance, poor resistance to temperature deformation and the like at the joint of the existing fabricated shear wall, and is suitable for assembling the connection of the shear walls.

The invention relates to a floor slab for a kitchen / bathroom. The floor slab comprises a steel frame and kitchen / bathroom concrete ground, wherein the kitchen / bathroom concrete ground is located on the steel frame, the steel frame and a steel mesh in the kitchen / bathroom concrete ground are integrally welded, concrete is poured, the kitchen / bathroom concrete ground is internally provided with lifting seats which are used for lifting and are arranged in a supporting way in a prefabricating way, and the edge of the kitchen / bathroom concrete ground is provided with a horizontal reinforcing bar which is used for connecting. The floor slab for the kitchen / bathroom, disclosed by the invention, integrates the advantages of a concrete floor slab and a steel-structure floor slab and has the advantages that the cost is lower, the lifting installation is convenient, the construction speed is fast, materials are saved, standardized mass production in a factory can be realized, and the floor slab can be assembled at random.

The invention provides a fiber reinforced cement-based thin cloth and infilled wall composite structure and a construction process thereof. Fiber reinforced cement-based thin cloth sequentially comprises a first thin cloth layer, a cement base layer and a second thin cloth layer from bottom to top, and the first thin cloth layer, the cement base layer and the second thin cloth layer are fixed intoa whole through the bonding effect of the cement base layer. Aerated concrete self-heat-preservation building blocks are adopted as wall materials of an infilled wall, after building is completed, epoxy resin glue is sprayed to the surface of the wall, the fiber reinforced cement-based thin cloth is laid along the wall, water is evenly sprayed to the laid wall, the thin cloth and the wall are fully combined, and thus the infilled wall composite structure is formed. The composite structure is a wall structure which is reasonable in structure and synchronous in service life of all layers, the durability and shock resistance are remarkably improved besides energy conservation and heat preservation, the problems that a self-heat-preservation material serving as a frame infilled wall is lightand not high in strength, cracks are likely to be generated and the like are solved, material preparation is simple, the cost is low, and the construction technology is simple and convenient.

The invention provides a leadless ceramic chip type gas sensor which comprises a ceramic base and a ceramic chip type gas sensitive chip; the gas sensing chip comprises a ceramic substrate, a heating resistor, a heating electrode, an isolation layer, a gas sensing material and a measuring electrode, wherein the ceramic substrate, the heating resistor, the isolation layer and the gas sensing material are sequentially printed together; a through hole and a printing electrode penetrating the through hole are arranged on the ceramic base, a heating electrode printing point and a measuring electrode printing point are arranged on the front surface of the ceramic base, an heating electrode input end and a measuring electrode output end are arranged on the back surface of the ceramic base, and the heating electrode printing point and the measuring electrode printing point are respectively connected with the heating electrode input end and the measuring electrode output end through the printing electrode; and the heating electrode and the measuring electrode are respectively connected on the heating electrode printing point and the measuring electrode printing point. The gas sensor has the advantages of scientific design, stable performance running, high sensitivity and high precision, and is applicable to industrial large-scale production.

The invention provides a ceiling device for a steel structure workshop, and relates to the technical field of steel structures. The ceiling device for the steel structure workshop comprises supportingpipes, two supporting columns are movably inserted in the supporting pipes, a top plate is welded to the top ends of the two supporting columns, a horizontal plate is welded to the bottom of the topplate, and cavities are formed in the left and right sides of the obverse side of the horizontal plate correspondingly. According to the ceiling device for the steel structure workshop, by arranging the supporting columns, the top plate and the horizontal plate, the top plate is conveniently connected to the tops of the supporting columns in a lapped mode; by forming the cavities, movable rods, clamping grooves, movable plates and telescopic springs, after the top plate is connected to the tops of the supporting columns in the lapped mode, the movable rods are conveniently inserted in the clamping grooves, and thus the ceiling device achieves the effect of convenient fixing and mounting during using; and then by arranging fixing rings, first threaded rods, fixing blocks and fastening bolts, the ceiling device is further fixed.

The invention discloses a packing box for a freeze-dried powder bottle high-speed machine, comprising a box body and a combined bracket, wherein the combined bracket is connected with the box body into a whole and is positioned in the box body, and an expanded sheet of the box body and the combined bracket is an integral sheet; the box body comprises four box walls which are mutually connected from left to right; the combined bracket comprises a first adhesive bracket board, a first adjacent bracket board, a second adjacent bracket board, a second adhesive bracket board and an internal bottle bracket board, wherein the first adhesive bracket board which is connected with the leftmost or rightmost box wall of the four box walls, the first adjacent bracket board is connected with the first adhesive bracket board, the second adjacent bracket board is connected with the first adjacent bracket board, and the second adhesive bracket board and the internal bottle bracket board are respectively connected with the second adjacent bracket board; and a quadrangular bottle bracket comprises the first adhesive bracket board, the first adjacent bracket board, the second adjacent bracket board and the second adhesive bracket board. The packing box has environment-friendly materials, independent and firm structure and good shock resistance and is not easy to collide and crush bottled products; and the bottled products of freeze-dried powder bottles, and the like can be displayed in bays of the combined bracket which is connected with the box body into a whole, the side of each bay can be used for placing product specifications and accessories.

The invention discloses a photoelectric-composite shakeproof HDMI connecting line. The photoelectric-composite shakeproof HDMI connecting line comprises an external shielding layer, wherein a framework is arranged in the external shielding layer; four arc-shaped grooves, which are arranged oppositely two by two, are formed in the framework, wherein optical cables are arranged in one pair of oppositely-arranged arc-shaped grooves and matched therewith while wires are arranged in the other pair of oppositely-arranged arc-shaped grooves and matched therewith; and the exteriors of the optical cables and the wires are coated with the external shielding layer. The photoelectric-composite shakeproof HDMI connecting line is reasonable in structural layout, high in data transmission efficiency, and solves the technical problems of weak shakeproof and anti-interference capabilities of the existing HDMI connecting line.

The invention discloses a production process of autoclaved aerated concrete containing high-calcium dry red fly ash. The production process comprises the steps: pulping, powder grinding, casting, cutting and steam curing, wherein during pulping, the high-calcium dry red fly ash, quartz sand, gypsum and water are mixed uniformly at a ratio so as to prepare stand-by slurry, and after quicklime is ground into fine powder, pouring is performed; during pouring, the stand-by slurry, the powdery quicklime and cement are weighed at a ratio, then feeding is performed uniformly by a feeder, even stirring is performed so as obtain mixed slurry, and an aluminum powder solution is added at a ratio so as to form a liquid-phase mixture; and aluminum powder reacts with a medium water in an alkaline environment so as to generate hydrogen gas, the quicklime reacts with water, and silica in the quartz sand reacts with Ca(OH)2 and AL2O3 in the cement and quicklime under a hydrothermal synthesis conditionso as to produce hydrated calcium silicate and hydrated calcium aluminate and form a green body, and steam curing is performed after cutting is performed on the green body. The strength of the productis enhanced by the produced hydrated calcium silicate and hydrated calcium aluminate together, and the problem of difficult improvement of compression resistance, seismic resistance, tensile resistance and shear strength of walls in the prior art is solved.

The invention discloses a construction waste recycling filling method for road widening. The construction waste recycling filling method comprises the steps that a construction waste recycled aggregate concrete retaining wall is built on the outer side of an old roadbed slope; digging steps on the old roadbed slope to form a step surface; a filling area is formed between the construction waste recycled aggregate concrete retaining wall and the step surface; building waste regenerated filler is filled in the filling area in a layered mode, a layer of transverse rib material is laid after each layer is compacted, one end of each layer of transverse rib material is fixed to the step face, the other end of each layer of transverse rib material is stretched to the position of the building waste regenerated aggregate concrete retaining wall and then reversely wraps the building waste regenerated filler, and reversely-wrapped reinforced soil is formed; the process is repeated until filling is carried out below the pavement structure layer, and new roadbed filling is completed; and reinforcing anchor rods are connected between the construction waste recycled aggregate concrete retaining wall and each layer of reverse-wrapping reinforced soil. Compared with a traditional gravity type supporting and retaining structure, the supporting and retaining structure has the advantages of being good in anti-seismic performance, small in occupied area, wide in application range, high in construction efficiency, remarkable in economic benefit and the like.

The invention relates to a welding assistant column. Welding plates used for guiding, improving strength and assisting positioning in welding are arranged at the exterior part of the upper end of a column body; column core heads are arranged on the inner side of the upper end of the column body; the column body of the welding assistant column is provided with guide ribs used for guiding in mounting and improving the strength; a packing layer made of fireproof material is mounted between every two guide ribs. The welding assistant column overcomes the shortcomings of inconvenience and poor strength in connection of conventional steel structure columns and other building components, low safe reliability, weak anti-seismic property and poor fireproofing.

The invention discloses a structure for reinforcing a bearing wall of an immature soil house and a construction method. Mounting holes are planned to be drilled at a position of 600 mm of the positionof a lintel, I-shaped supporting parts are arranged in the mounting holes in an ejecting manner, supporting column containing holes are drilled from the tops of the two sides of the bearing wall downwards, and the supporting columns are reinforced concrete columns; the two supporting columns and an underpinning beam form a whole through the reinforcing of supporting column reinforcing steel barsand underpinning beam steel bars and the bonding force of concrete, and the I-shaped supporting parts are horizontally extended into a house through the two ends of the mounting holes and are insertedinto the mounting holes drilled at the corresponding positions of the parallel wall of the bearing wall. According to the structure for reinforcing the bearing wall of the immature soil house and theconstruction method, the load transmitted by the underpinning beam is effectively borne by utilizing the reinforcement of the the reinforcing steel bars and the bonding force of the concrete, and thestability of the structure is improved; and According to the method, the force applied to the bearing wall is dispersed on the wall of the two ends, the upper load is borne together, the structural integrity is good, and the bearing capacity and stability of the bearing are improved.

The present invention relates to a wall-mounted integrated computer for ships and an assembling reinforcement method, and is applicable to ship wall-mounting. The wall-mounted integrated computer for ships comprises a box body, an aviation socket plate, a host, a display module and an operation module, wherein the host and the display module are integrated; all wires between the host and the aviation socket plate run in the box; the aviation socket plate is fixed at the top of the box; a damper is additionally arranged between the box and the host; and the box body is mounted on a mounting base through a spring and is fixed on a ship cabin wall. According to the present invention, the environmental adaptability, such as vibration, water, mildew and salt spray resistances as well as electromagnetic compatibility and the like, is enhanced without changing performance.

The invention discloses a gypsum and mortar composite insulation board outer wall body which comprises shape steel, steel meshes, an efficient insulation board, a first wall body sprayed mortar layer,a second wall body sprayed mortar layer, polymer waterproof and crack-resisting mortar and an anticorrosion mesh cloth. The steel meshes are mounted on one side or the two sides of the shape steel and fixed to beam-column structures which are arranged in the efficient insulation board, the first wall body sprayed mortar layer and the second wall body sprayed mortar layer. The shape steel, the steel meshes, the efficient insulation board and wall body sprayed mortar are of an integrated structure, and the efficient insulation board is mounted on the shape steel or the steel meshes and is covered with the first wall body sprayed mortar layer on the inner side and the second wall body sprayed mortar layer on the outer side to be protected. The polymer waterproof and crack-resisting mortar issmeared on the outer side of the second wall body sprayed mortar layer. According to a gypsum and insulation mortar outer wall composite wall body structure, all used materials are prefabricated in afactory and transported to a site for mounting or are prefabricated into plates in the factory and then transported to the site for splicing.

The invention relates to the field of cabinets, in particular to a network server installation cabinet which comprises a server, an installation mechanism, two positioning mechanisms used for stably positioning the server in the installation mechanism, a moving mechanism used for conveniently moving the server, two anti-falling mechanisms used for keeping the moving mechanism stable in a stop state, a weighing sensor used for sensing pressing force generated when the server vibrates under the earthquake condition, a buffering mechanism used for buffering the server under the vibration condition, the two anti-seismic mechanisms used for preventing the server from being damaged due to vibration, wherein the installation mechanism is further arranged at the tops of the two anti-seismic mechanisms. The network server installation cabinet solves the problem that a traditional server installation cabinet cannot achieve anti-seismic and anti-falling effects, the anti-seismic and anti-falling effects of the server are improved, and damage to parts in the server is avoided.

The invention relates to an assembly type composite wall structure and an assembly method thereof. The wall structure comprises a main beam, heat preservation layers are arranged on the two sides of the main beam, a steel plate is arranged on one side of the heat preservation layer on one side, and a calcium silicate plate is arranged on the other side of the steel plate; a waterproof layer is arranged on one side of the heat preservation layer on the other side; and a steel reinforcement framework is arranged in the main beam, and the steel reinforcement framework penetrates through the heatpreservation layers through side tie bars connected with the two sides of the steel reinforcement framework to be connected with the steel plate and the waterproof layer. The assembly method comprisesthe following steps that a plurality of main beam steel reinforcement frameworks and side tie bars are manufactured and then put into a mold to be poured with concrete to form a main beam blank, andthe main beam blank is cut to form a main beam and transported to the site to wait for assembling; the two sides of the main beam are coated to form the heat preservation layers; the steel plate is assembled outside the heat preservation layer on one side, the steel plate is welded with the side tie bars, and then the calcium silicate plate is assembled on the other side of the steel plate; and the waterproof layer is formed outside the heat preservation layer on the other side.

The invention discloses a method for underpinning a building brick-concrete structure into a frame structure. The method comprises the following steps of 1, performing foundation reinforcement and foundation underpinning construction; 2, performing brick wall underpinning construction by a newly added concrete frame beam column, dismounting an underpinned wall body after a newly added underpinnedframe beam column system reaches the designed intensity requirements, and completing the underpinning process on the existing building brick wall; and 3, using a reverse operation process in the concrete frame beam column structure system construction. The method provided by the invention has the advantages that the land is saved; the social resources are saved; the investment is low; and the effect taking speed is high, and the like.

The invention discloses a self-adaptive friction pendulum support based on electromagnetic control and a resetting method, and the self-adaptive friction pendulum support comprises a seat plate assembly, an upper support plate is provided with a first inner groove, a lower support plate is provided with a second inner groove, and the side walls of the first inner groove and the second inner groove are provided with electromagnets; the sliding assembly is arranged between the first inner groove and the second inner groove and is provided with two permanent magnets which are opposite to the electromagnets in magnetism; the reset assembly and the upper check block are connected with the upper support plate and connected with the sliding assembly through a plurality of first elastic components, and the lower check block is connected with the lower support plate and connected with the sliding assembly through a plurality of second elastic components. The sensor unit is used for detecting deformation information generated by the first elastic component and the second elastic component; and the control assembly is used for receiving the deformation information and adjusting the magnitude of the current input into the electromagnet. The self-adaptive friction pendulum support solves the problems that the shock resistance of an existing friction pendulum support is difficult to control in real time according to the magnitude of earthquake force, the existing friction pendulum support is difficult to reset completely when large residual displacement occurs, and the anti-drawing capacity is weak.