160results about How to "Does not affect the function" patented technology

The invention discloses a large-span section assembling bridge manufacturing machine and an assembling construction process thereof. The bridge manufacturing machine comprises a bridge manufacturing machine main body structure, a crown block system and a forward moving system, wherein the bridge manufacturing machine main body structure comprises a left main truss, a right main truss, an upper lateral brace and a lower lateral brace; the two main trusses comprise a main beam and a guide beam, and the guide beam has a three-layer step type truss structure; and a plurality of connecting rods comprise 87 type military beams and heterogenic rods. The assembling construction process comprises the following steps of: 1. assembling and constructing a first hole beam of a single-hole beam or a porous beam; forwards shifting the bridge manufacturing machine main body structure to construct the next hole beam across the hole; and repeatedly constructing till the integral construction of a constructed bridge is finished and the bridge manufacturing machine main body structure is disassembled. The bridge manufacturing machine has reasonable structural design, large span, convenient processing, manufacture, assembly and installation, strong weight capacity and low investment cost; and the used assembling construction process is simple, is convenient for realization and can be effectively suitable for the assembling construction process of bridge sections with the span of 64m and below 64m.

The invention relates to a composite multi-frequency-band vibration isolation trench for a building, belonging to the technical fields of civil engineering and mechanical engineering. The composite multi-frequency-band vibration isolation trench comprises a perforated plate, an irregular plate, fillers, a hollow trench and a wave drag block, and is at least arranged under the earth surface on one side of the building, which faces a vibration source; the perforated plate, the irregular plate, the hollow trench and the wave drag block are sequentially connected with one another according to a direction from the vibration source to the building, and the heights and the widths of the perforated plate, the irregular plate, the hollow trench and the wave drag block are ensured to be consistent; one side of the irregular plate, which faces the vibration source, has a convex-concavo irregular structure, and the other side of the irregular plate is planar; and the fillers are filled in the irregular plate and the wave drag block.

The invention provides a formaldehyde eliminator and a plaster board with formaldehyde elimination and the preparation method. The formaldehyde eliminator comprises the following weight proportion material: 500 to 650 share dispersed medium, 20 to 160 share acid compounds, 100 to 400 share multi-amine compounds, 10 to 80 salt compounds, 5 to 20 share polyvinyl alcohols, and 0.1 to 5 share acetic acid acetyl acetic esters. The formaldehyde eliminating preparation has the advantages of low cost, simple production technology and convenient use. The plaster board with formaldehyde elimination not only provides with formaldehyde elimination, but also do not influence the other properties of the plaster board and provides with the virtue of formaldehyde eliminating in the environment rapidly and the eliminating effect is good and long lasting.

The invention relates to a speed type structure connecting and locking device containing shear thickening liquid, and belongs to the technical fields of civil engineering and aerospace engineering. The device comprises the shear thickening liquid, a steel cylinder, piston rods, a piston end, internal seals, a sealing baffle plate and a connecting end. The connecting end is connected with a structure; under the action of environmental change or common load and the like, the connecting and locking device and the structure move slowly at the same time; and when the connecting form of the structure is unchanged, the speed of the structure is obviously increased under the action of power, the shear thickening liquid in the connecting and locking device is sharply changed from liquid phase to solid phase, the device plays a role of a rigid connecting rod, and the connecting form of the structure is changed from hinging to rigid connection, so that the transfer path of the load is changed, the displacement and the deformation of the structure are limited, and the structure is protected.

The invention relates to a rotary friction energy dissipator. The rotary friction energy dissipator comprises a first rotary assembly, a second rotary assembly, a plurality of friction plates and a plurality of fasteners, wherein the first rotary assembly comprises a first connecting plate and first clamping plates, and the second rotary assembly comprises a second connecting plate and second clamping plates; the plurality of first clamping plates and the plurality of second clamping plates are sequentially spaced in parallel and rotatably connected, the friction plates are attached between the first clamping plates and the second clamping plates, and the fasteners are arranged in parallel and at intervals and sequentially penetrate through the second clamping plates, the friction plates and the first clamping plates; and the rotation points of the first clamping plates and the second clamping plates are taken as centers, and a plurality of arc through holes for the fasteners to penetrate through are formed in the first clamping plates. According to the rotary friction energy dissipater, when a first connecting piece and a second connecting piece are subjected to rotary deformation, the fasteners slide along the arc through holes, seismic energy is dissipated, and engineering structure damage is reduced.

The invention provides a coke oven riser tube replacement apparatus and a coke oven riser tube replacement method, and especially relates to a coke oven riser tube replacement apparatus and a coke oven riser tube replacement method applied in the field of coke oven production. The coke oven riser tube replacement apparatus provided by the invention has the advantages of simple structure, shortening of the unkeeping time, and maintenance of the coke oven production continuity, and comprises a coal car, a fixed stand column, a rotating stand column, a crane and a transverse arm. The coke oven riser tube replacement method can reduce the danger of replacement working, and comprises the following steps: 1, rotating the transverse arm to a position above a riser tube to be replaced; 2, hoisting the riser tube to be replaced; 3, moving out the riser tube to be replaced; 4, moving a new riser tube to a position to be installed, and installing; 5, rotating the transverse arm to the initial position, and fixing. A rotatable cantilever crane in the invention has the advantages of simple structure, low cost, realization of no influences on the use performances of the coal car, coal car walking or normal production of a coke oven after installation, and flexible usage.

The invention provides an external prestressed reinforced concrete framework beam structure and a construction method thereof, which belong to the technical field of construction engineering. The structure comprises at least two groups of external prestressed tedons, a tension end structure, a fixed end structure and a steering apparatus. The tension end structure is located below the bottom of amiddle beam of each span of the framework-crossing beam, each group of the external prestressed tedons pernerates through the tension end structure in the middle of a span after being directionally changed by the respective steering apparatus, and the tension end structure adopts an annular anchorage device to join and stretch the two groups of external prestressed tedons; and the tension end structure is only arranged below the bottom of the middle beam of each span of the framework beam, so that the number of the tension end structure can be effectively reduced. In addition, the tension endstructure is arranged below the bottom of each span of the framework beam, so that not only can the occupation of an application space on a floor or a roof be avoided, but also when in the external prestressing installation construction, a floor slab or a roof slab does not need to be perforated; and moreover, when the external prestressed tedon is loosened when in use, the prestressed tedon can be subjected to supplementary tension or replacement.

The invention discloses an ex-situ chemical oxidation remediation method for cyanide-contaminated soil, and belongs to the field of contaminated land remediation. The method comprises the following steps: performing humidifying and uniform stirring on the cyanide-contaminated soil after being subjected to pretreatments such as impurity removal, crushing and screening, adding a double oxidant prepared from activated persulfate and hydrogen peroxide, and thoroughly mineralizing cyanide in the soil to convert cyanide into innoxious substances, so as to reduce the concentration of cyanide in the soil. According to the ex-situ chemical oxidation remediation method for the cyanide-contaminated soil, the double oxidant prepared from activated persulfate and hydrogen peroxide is used, so that the concentration of cyanide in the soil is effectively reduced, the secondary contamination risk of the cyanide-contaminated soil is eliminated, the soil after remediation can be used for backfill, the land use function is not affected, and normal development and utilization are feasible.

The invention relates to an industrial plant foundation strengthening method, belongs to the field of earthquake-proof strengthening technologies and discloses a foundation processing method. The method comprises the steps of using a newly-increased steel pipe pile and an upper newly-increased concrete bearing platform, fixedly connecting the newly-increased steel pipe pile and the upper newly-increased concrete bearing platform with a primary foundation bearing platform through steel bar anchors, and commonly bearing a newly-added layer structure, so that steadiness and safety of an added layer improving engineering are ensured; and the problems of personnel and property losses caused due to earthquake which is caused due to poor anti-seismic property of original houses in improvement of old plants are solved fundamentally.

The invention discloses an electromagnetic shielding wall and a construction method thereof. A shielding steel plate is arranged inside the wall. A in-wall tensioning rib is welded on the inner side of the shielding steel plate. Two ends of the shielding steel plate are welded with column side steel plates that are embedded in bilateral sides of a column. A wall end tensioning rib is welded with the column side steel plate on the inner side of the shielding steel plate. A ring beam tensioning rib is welded with the column side steel plate on the outer side of the shielding steel plate. The upper end of the shielding steel plate is welded with a beam bottom steel plate that is embedded in the bottom of a beam. The lower end of the shielding wall is welded with a beam top steel plate that is embedded in the top of the beam. An inner wall is built on the inner side of the shielding steel plate. An outer wall is built on the outer side of the shielding steel plate. The ring beam is arranged inside the outer wall. The electromagnetic shielding wall provides a pure space free of electromagnetic wave hazard for special people. An electromagnetic shielding wall and the construction method thereof are discovered. The disclosed electromagnetic shielding wall has the advantages of simple in structure, convenient and fast in construction, low cost, without affecting the elegant appearance and the use functions of the wall.

The invention provides a formaldehyde removal agent, a plasterboard with a function of formaldehyde removal, and their preparation methods. The formaldehyde removal agent comprises, by weight, 500-650 parts of a dispersion medium, 20-160 parts of an acid compound, 100-400 parts of a polyamine compound, 10-80 parts of a salt compound, 5-20 parts of polyvinyl alcohol and 0.1-5 parts of ethyl acetoacetate. The formaldehyde removal agent has a low cost, is prepared by the simple preparation method and is convenient for use. The plasterboard has the function of formaldehyde removal, does not influence other performances of the plasterboard, can fast remove formaldehyde in the environment and has good and lasting formaldehyde removal effects.

The invention discloses an integrated heat radiating device of a super-gravity acceleration high-speed geotechnical centrifuge. A cylindrical centrifugal bin wall is internally coated with a rotor ofthe high-speed centrifuge; the outer side of the centrifugal bin wall is a cylindrical cold water jacket; helical flow guide blades are installed between the cylindrical centrifugal bin wall and the cylindrical cold water jacket; a composite upper cover and a composite lower cover of the cylindrical centrifugal bin wall are hermetically connected with the centrifugal bin wall; the composite uppercover is provided with a cold air outlet pipe and a vacuum sucking pipe; the center of the composite lower cover is provided with a centrifuge supporting and mounting hole; and the composite lower cover is provided with a cold air inlet pipe, a high-pressure water supply pipe and a high-pressure air supply pipe. By virtue of integrated cooling of a plurality of cooling methods such as direct coldair cooling inside a centrifugal bin, cold water cooling of the sidewall of the centrifugal bin, vacuumizing and high-pressure water and vapor mixed spraying, the integrated heat radiating device disclosed by the invention guarantees that the heat of the super-gravity acceleration high-speed geotechnical centrifuge can be cooled in time, so the operation temperature of the centrifugal bin is controlled within a certain range, and the use functions of instruments are not affected.

The invention relates to a device and a method for ecological treatment of private household type domestic drainage. The device consists of an anaerobic filtering tank, a water diffusion aerobic tank and a functional porcelain granule underground infiltration bed in serial connection. The detailed device structure and the method are shown as an instruction book. The device and the method have the advantages that mass solid is intercepted through anaerobic filtering; activity of microorganism is increased through water diffusion and oxygen increase; an infiltration layer consisting of functional porcelain granules and zeolite filled through 'wall-bricking' nesting and filling is introduced to an underground infiltration gravity filtering section so that an underground infiltration system has good hydraulic conduction performance, high-efficiency self-desorption capacity, high hydraulic load, remarkable chromatographic effect of pollutants and uneasy blockage; a material for producing the functional porcelain granules has wide source, convenient machining and low cost; a water distribution mode of capillary adsorption increases a sewage purification path in the system and improves effective cubage of the system; and the device operates under powerless condition, does not increase building cost and is in particular suitable for deep treatment of villa and private household type domestic drainage.

The invention belongs to the technical field of water treatment, in particular to a strengthened land domestic sewage treatment device with a built-in biological porcelain granule pipe, comprising a surface layer, a local soil and find sand layer, a find sand layer and a gravel water-collecting layer from top to bottom; the local soil and find sand layer is provided with a water-distribution percolation tank which is internally provided with the biological porcelain granule pipe; the biological porcelain granule pipe is filled with biological porcelain granules; a gap between the water-distribution percolation tank and the biological porcelain granule pipe is also filled with biological porcelain granules; both ends of the biological porcelain granule pipe are provided with muffle plates;one end of the biological porcelain granule pipe is connected with an intake pipe; the other end is connected with a backwashing water pipe; the intake pipe is also used as the backwashing water pipe;the top of the water-distribution percolation tank is covered with permeable non-woven fabrics; an exhalent pipe is arranged below the gravel water-collecting layer; double opening standpipes are inserted from top to bottom, sequentially penetrate through the surface layer, the percolation layer and the gravel water-collecting layer and comprise an inner layer of drainpipes and an outer layer ofdrainpipes. The device lessens pollutants entering in a land treatment system, such as suspended substances, organic substances, and the like, so as to reduce soil blockage phenomenon, improve the hydraulic load and prolong the serviceable life of land sewage treatment. In addition, the double opening standpipes are arranged to enhance oxygen supply and are beneficial to monitoring the operation state of the system in an operation process.

The invention discloses a liquid-phase charging warhead shell which does not use a balancing weight, does not change the charging amount and can adjust the mass and mass center. A check block is located in the middle of the interior of a first cylinder of the warhead shell, a sixth inner cylindrical surface of the check block is connected with a second outer cylindrical surface of an annular interlayer in a sealed mode, a sixth outer cylindrical surface of the check block is in sealed connection with a first inner cylindrical surface of the warhead shell, and a closed space formed by the firstinner cylindrical surface of the warhead shell, a first right end concentric circle plane of the warhead shell and the second outer cylindrical surface of the annular interlayer is divided into two independent spaces by the check block. The annular interlayer is added into the liquid-phase charging warhead shell, compressed energetic gas fuel is added into the annular interlayer, the mass of theenergetic gas fuel is adjusted by adjusting the density of the energetic gas fuel, the mass error of a warhead is made up, and the mass and the mass center of the warhead are both within the requiredrange. The energetic gas fuel participates in throwing to form an active cloud cluster, and the detonation effect of the warhead is improved.

The invention discloses a storey height adjustable house structure with variable-position X-shaped steel supports. The storey height adjustable house structure comprises spring concave connecting pieces, convex connecting pieces, fixed pulleys, steel wire ropes, a motor, the X-shaped steel supports, variable-position pulleys, clamping gears, rotating shafts, metal clamping keys, outer walls, a first-layer floor, a second-layer floor, a door, stairs and windows. The motor rotates clockwise to lift the steel wire ropes through the pulleys to enable the rotating shafts to rotate, the rotating shafts are fixedly connected with the clamping gears, the metal clamping keys are connected with the rotating shafts through steel wires, the rotating shafts rotate to drive the metal clamping keys to contract, the clamping gears start to rotate, the variable-position pulleys start to roll on rails through rotation of the clamping gears, the X-shaped steel supports contract through movement of the variable-position pulleys, and therefore the first-layer floor ascends. The first-layer floor can descend slowly to recover the original state, a house is of a normal second-layer building structure, and the requirement of people for normal rest and life is met.

Provided is a construction method for newly-adding community underground space by using a synchronous jacking and shifting device. The construction method comprises the steps that step one, the synchronous jacking and shifting device is assembled and installed; step two, the displacement amount needing to be jacked up of each frame column (8) of a building in a synchronous control platform is input; step three, the frame columns (8) are cut off; step four, a multistage two-way jacking oil cylinder (3) is started to perform jacking, and finally, the displacement amount needed for each frame column (8) is jacked up; step five, reverse jacking is carried out on a lower piston (16) of the multistage two-way jacking oil cylinder (3), and finally, a whole upper structure is wholly moved throughthe cooperation of slide ways and moving wheels (14); step six, the whole upper structure is wholly moved to an original structural position after displacement and rebuilding construction, and connection and reinforcement treatment are carried out on each frame column (8) cutting into two parts to form a frame column truncation connection segment (13). According to the construction method for thenewly-adding community underground space by using the synchronous jacking and shifting device, not only can jacking heightening / storey-adding be carried out, but also structure shifting can be carried out, and the application range is wide.

The invention relates to a wireless digital electric field strength monitoring sensor which consists of a shell body, a power supply circuit, an electric field effect element, an amplifier circuit, an impedance conversion circuit, a quantity value judgment circuit, a power supply control circuit, a PCB (Printed Circuit Board), a singlechip computer circuit, a wireless communication module circuit and an antenna, wherein the power supply circuit, the electric field effect element, the amplifier circuit, the impedance conversion circuit, the quantity value judgment circuit, the power supply control circuit, the PCB, the singlechip computer circuit and the wireless communication module circuit are mounted in the shell body, and the antenna is mounted outside the shell body. The wireless digital electric field strength monitoring sensor has the advantages that the monitoring sensor can detect whether high-voltage equipment is charged or not, can detect the voltage level of a charged body, and can realize lightning and surge discrimination.. The monitoring sensor is small in volume and can be mounted on equipment to be detected without influencing the service function of the equipment to be detected; and the monitoring sensor has another advantage of simple structure, and the number of elements in use is less, so that the manufacturing cost of the sensor is reduced.

The invention discloses a post-earthquake self-recovery embedded energy dissipating steel column base. The post-earthquake self-recovery embedded energy dissipating steel column base comprises an upper column section, a lower column section, a buckling-restrained energy dissipating plate and a high-strength steel rod; the upper column section is located on the upper part of the lower column section, the high-strength steel rod is arranged in the upper column section and the lower column section, and the buckling-restrained energy dissipating plate is fixed to the connection of the upper columnsection and the lower column section. The post-earthquake self-recovery embedded energy dissipating steel column base has the advantages that two-way bearing is high, two-way energy consumption is high, two-way post-earthquake self recovery is carried out, the stress is simple and clear, excessive local stress after the column base is pried is avoided, on-site construction is convenient, the usefunction of the building cannot be affected.

The invention relates to a bridge abutment structure capable of preventing bumping at a bridge head and a preventing method. The bridge abutment structure comprises an abutment cap and a parados. The parados is arranged at one end of the abutment cap and is perpendicular to the abutment cap. A well hole is formed in the middle of the abutment cap, the bottom of the well hole is of a conical structure, the bottom of the well hole is filled with sand, a pendulum type support is arranged above the sand, the part between the side of the support and the inner wall of the well hole is filled with an elastic padding layer, a sand discharging pipe is arranged in a sand discharging port in the bottom of the well hole, an end cap is arranged in the port of the sand discharging pipe, and an adjusting plate is arranged on the top of the parados in an overlapped mode. Uniform settlement of a bridge surface is achieved by adjusting the height of the support and the elevation of the parados of the bridge abutment, differential settlement of the bridge head is eliminated, the bumping phenomenon caused by sedimentation of a bridge head embankment can be conveniently eliminated, the structural design is simple, and adjustment is convenient; original using function of a bridge are not affected, and the bridge abutment structure can be used for an old and new bridge structure of a municipal administration highway, and can also be used for track traffic projects.

The invention relates to a method for preparing and purifying a coal slag-zeolite composite purified ball and an experimental device. The method comprises the following steps: uniformly mixing pretreated coal slags and zeolites by a mass ratio of 2 to 1; putting into a ball maker; adding a PVA organic adhesive to prepare a coal slag-zeolite composite purified ball; drying and then soaking in fresh water; taking out, drying again, and directly putting in water for use; after use, heating to perform regeneration and reutilization. The coal slag-zeolite composite purified ball can be used repeatedly, has the advantage of preventing secondary pollution of environment and can be used as a filler medium for water purification. The ammonia nitrogen removal rate and COD removal rate on polluted water are respectively as high as 57.2% and 51.2%. The coal slag-zeolite composite purified ball prepared by the method disclosed by the invention is good in mechanical properties, high in impact load resistance, rich in pores so as to provide a relatively large attachment place for microorganisms, wide in raw material source, simple to prepare, economical, practical and low in operating cost.

The invention provides a rotatable type self-resetting energy consumption device, and belongs to the technical field of damping. The rotatable type self-resetting energy consumption device comprises aself-resetting part, an energy consumption part and a connecting part, wherein the self-resetting part comprises a cutting steel plate with carving teeth, an annular spring and a high-strength bolt;the energy consumption part adopts a cutting type damper; the connecting part comprises a connecting plate and a high-strength bolt; the post-earthquake automatic resilience is achieved through the self-resetting part to eliminate residual deformation; the earthquake energy is dissipated through the energy consumption part; the connecting part connects the rotatable type self-resetting energy consumption device with a structural assembly, restrains the concrete of a nodal region, and improves the earthquake resistance capacity of a node. The rotatable type self-resetting energy consumption device can be installed on a beam column node or a pedestal node, the use function of a building is not affected, not only can a self-resetting capacity be provided, but also an energy consumption capacity can be provided, no residual displacement exists after the earthquake; the device has outstanding advantages of dissipating earthquake energy, eliminating residual displacement and not affecting building use function, and can be widely applied to the earthquake-proof design of a new-built building and the earthquake-proof reinforcement of an existing building.

The present invention belongs to the technical field of building structure reinforcement, in particular to a reinforcing method of roil soil kiln arch transplacement. Roil soil kilns are reinforced by using a wedge abode reinforcing method; broken soil bodies are eliminated to be replaced by stable and reliable abode arches, and the stable and reliable abode arches and an original structure are combined into a whole, which is durable. A problem that arch roof soil bodies of roil soil kilns in the China's central plain area are collapsed because of arch ransplacement can be effectively solved, so residents living in the roil soil kilns can live at ease, and while a wood post supporting method which affects use does not need to be used. The material used by the present invention is simple, and is easy to gain. The total structure stresses evenly. Full-arch and part-arch reinforcement can be used according to the spreading conditions of cracks. Damage and perturbation for the original soil bodies are furthest reduced, and the original characteristics of the roil soil kilns are furthest kept. The present invention is a reinforcing technology which is not only convenient to construct, but also has high safety and region applicability, and the total structure is safe, reliable, stable and durable.

The invention provides a wristband type communication device. The wristband type communication device comprises a watch body type communication unit and a watchband, an antenna module is disposed in the watch body type communication unit, the outer surface of the watch body type communication unit is provided with a first electrical connection part, and the first electrical connection part is electrically connected with the antenna module; and the watchband is movably connected with the watch body type communication unit, an antenna grounding extension member is disposed in the watchband, the antenna grounding extension member is provided with a second electrical connection part, and the second electrical connection part is electrically connected with the first electrical connection part after the watch body type communication unit is connected to the watchband. The antenna module in the watch body type communication unit and the antenna grounding extension member in the antenna module form an antenna grounding assembly together, so that the total antenna grounding area is increased, and thus the antenna efficacy is enhanced.

The invention discloses a steering wheel walking tractor, which is invented to solve the problems of low flexibility, poor safety and the like in the prior art. The steering wheel walking tractor comprises a walking tractor and a steering wheel steering system which is mutually and independently controlled together with a walking tractor operating system, wherein the steering wheel steering system comprises a steering wheel moveably arranged on the walking tractor; and the walking tractor changes the direction under the action of the steering wheel and control of the steering wheel steering system. In the structure, because the steering wheel is moveably arranged on the walking tractor, when the walking tractor runs on the ground at high speed and can be driven by the steering wheel, the steering among driving wheels can be realized through the actions of the steering wheel and a transmission device by control of a differential, and the occurrence of unsafe conditions is prevented when the walking tractor goes up and down slopes or runs at high speed; under the condition of operation of a manual operation handle, the steering wheel and the differential are locked, and the functions of the walking tractor can be used normally; and the steering wheel walking tractor has the advantages of compact structure, convenient operation, flexible steering and higher safety performance.

The invention relates to a cylinder handle lock, which comprises a lock body, a handle and a block cover component which comprises a front block cover component and a back block cover component. The back block cover component comprises a rotational frame which is sheathed on the lock body, a decorative cover which is sheathed on the rotational frame, a block cover which is sheathed outside the rotational frame and inside the decorative cover, a positioning spring which is arranged at the lower part of the block cover and is arranged on the decorative cover in a block way, a reset spring which is arranged inside the block cover and at the upper part of the positioning spring, a limiting sleeve which is sheathed outside the rotational frame, limiting columns which are arranged at the two sides of the limiting sleeve symmetrically and a block spring which is sheathed on the rotational frame and above the limiting sleeve. The application range of the handle lock is comparatively wide for door frames of different thicknesses, assembly and disassembly are convenient, and the use function of the lock cannot be affected when the lock endures larger torque.

The invention relates to a metal and composite laminated damper. The metal and composite laminated damper comprises a metal tube and connecting pieces correspondingly located at two ends of the metaltube, grooves are formed in the two connecting pieces, the end parts of the metal tube are fixedly and hermetically arranged in the grooves, the metal tube is filled with a plurality of viscous-elastic material layers and a plurality of rigid material layers, and the viscous-elastic material layers and the rigid material layers are sequentially and crosswise arranged up and down. The metal and composite laminated damper is a novel combined type metal damper, joint energy dissipation is achieved by using multiple energy dissipation mechanisms, the energy dissipation mechanisms are definite, andvarious energy dissipation capacities are achieved; the yield displacement is small, and the ductility performance is excellent; the performance is stable, and the energy dissipation efficiency is high; and installation and disassembly are convenient, and the arrangement is flexible.

The invention relates to a novel seismic hardening method for walls between windows. The method comprises the following steps of: firstly, adhering carbon fiber vertically around the wall body of the original wall between windows; respectively adhering the carbon fiber on the top and the bottom near the original wall between windows in the directions of 45 degrees and 135 degrees; circularly adhering the carbon fiber on the original wall between windows; finally, adhering the carbon fiber clothes at the top and the bottom of the door of the original wall between windows in the transversal direction until adhering to the construction column. Therefore, the invention enhances the bending resistance, compression resistance, shearing resistance, and the force transmitting capability with the peripheral members of the wall between windows, and prevents the inclined cracks from generating. Compared with the traditional seismic hardening method for walls between windows, the invention has strong shakeproof capability, no influence to the appearance and the function of buildings, convenient construction, safe and reliable structure, and the like.

The invention discloses a high-rise building foundation strengthening protection structure and a construction method thereof. The high-rise building foundation strengthening protection structure comprises a plurality of cast-in-place piles which are distributed on the periphery of the bottom of a high-rise building in the circumferential direction of the high-rise building, a reinforced concrete terrace which is laid on the ground outside a foundation of the high-rise building, is used for pulling and combining the foundation and the cast-in-place piles into a whole and wraps the tops of the cast-in-place piles and exposed parts of the foundation, and concrete circumferential beams which are arranged on the periphery of the cast-in-place piles, wherein the distances between the concrete circumferential beams and the tops of the cast-in-place piles are preset depths, and the concrete circumferential beams are connected to the outer sides of the cast-in-place piles in a supported mannerand used for exerting lateral prepressing stress on the cast-in-place piles. The high-rise building foundation strengthening protection structure is simple and stable in structure and easy and rapid to construct; soil on the periphery of the high-rise building is convenient to excavate, safety requirement during excavating construction of the soil on the periphery meets an engineering specification, the peripheral engineering construction schedule is advantageously accelerated, the using function of an exiting high-rise building is not affected, and the migration work of the high-rise buildingis avoided.

The invention provides a laser device and a laser processing device. The laser device comprises a body, a lighting system, a light shaping system and a gas cooling circulating system; the gas cooling circulating system comprises a gas circulating device and a heat exchanger; and the gas circulating device and the heat exchanger are connected with a ventilating channel of the body so as to dissipate heat. The laser processing device comprises an X-direction motor, a Y-direction motor and a descending mechanism, and can enable the laser device to move freely along an X axis, a Y axis and a Z axis. According to the laser device and the laser processing device which are provided by the invention, a plurality of nozzles are arranged in the heat exchanger, so that the cooling efficiency is high; because the light shaping system comprises a first laser outlet and a second laser outlet and an included angle between the first laser outlet and the second laser outlet is 90 degrees, the laser processing device meets using requirements of space processing; and moreover, the structure is simple.